U.S. patent application number 14/079484 was filed with the patent office on 2015-05-14 for gas combustor.
The applicant listed for this patent is Chin-Lin TSAI. Invention is credited to Chin-Lin TSAI.
Application Number | 20150132705 14/079484 |
Document ID | / |
Family ID | 53044081 |
Filed Date | 2015-05-14 |
United States Patent
Application |
20150132705 |
Kind Code |
A1 |
TSAI; Chin-Lin |
May 14, 2015 |
GAS COMBUSTOR
Abstract
The present invention relates to a gas combustor, including a
base seat fastened in a housing, the base seat is formed with a
seat hole allowing a gas intake control valve to be received; when
a control rod of the gas intake control valve is pushed by a press
button, a first and a second spring are synchronously compressed,
so the first spring pushes a first thimble valve till the first
spring is abutted against a first valve seat, the first thimble
valve compresses a third spring and opens the first valve seat,
thereby allowing fuel gas to rapidly pass the gas intake control
valve; the residual displacement stroke of the control rod is
absorbed by the first spring, and the fuel gas passing the gas
intake control valve is enabled to enter a flame device so as to be
ignited by static spark generated by a piezoelectric device.
Inventors: |
TSAI; Chin-Lin; (New Taipei
City, TW) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
TSAI; Chin-Lin |
New Taipei City |
|
TW |
|
|
Family ID: |
53044081 |
Appl. No.: |
14/079484 |
Filed: |
November 13, 2013 |
Current U.S.
Class: |
431/255 ;
431/344 |
Current CPC
Class: |
F23Q 2/287 20130101;
F23D 14/38 20130101; F23D 14/28 20130101; F23Q 3/002 20130101 |
Class at
Publication: |
431/255 ;
431/344 |
International
Class: |
F23D 14/28 20060101
F23D014/28; F23Q 3/00 20060101 F23Q003/00; F23D 14/38 20060101
F23D014/38 |
Claims
1. A gas combustor, including: a housing, a base seat being
installed therein, openings formed at the top and the bottom of
said base seat being respectively disposed with a flame device and
a connection device, wherein an opening at the front of said
housing being disposed with a press button, the base seat being
respectively and axially formed with an accommodation slot allowing
a piezoelectric device to be accommodated and a seat hole allowing
a gas intake control valve to be received corresponding to the
location where said press button being disposed; wherein, said
connection device being connected to a fuel channel inside said
base seat through a convey pipe, said fuel channel being
communicated with said seat hole through a gas outlet, and the
bottom of said flame device being disposed in an insertion hole
formed at the top of said base seat, and said insertion hole being
communicated with said seat hole; and said gas intake control valve
including a control rod, a first spring and a second spring sleeved
in from the front of said seat hole, and a front end cover being
provided at the front of said seat hole, so the front of said
control rod being allowed to be protruded out from said front end
cover and adjacent to said press button; and including a first
valve seat sleeved in from the rear of said seat hole, and a first
thimble valve and a third spring being provided in said first valve
seat, thereby allowing said first and said second spring to be
respectively disposed between said control rod and one end of said
first thimble valve and between said control rod and said first
valve seat, an opening at the rear of said first valve seat being
sleeved with a sleeve pipe, thereby allowing said third spring to
be disposed between the other end of said first thimble valve and
said sleeve pipe, and a rear end cover being provided at the rear
of said seat hole; when said control rod being pushed by said press
button, said first and said second spring being synchronously
compressed, so said first spring pushing said first thimble valve
till said first spring being abutted against said first valve seat,
said first thimble valve compressing said third spring and opening
said first valve seat, thereby allowing the fuel gas to enter said
seat hole through said gas outlet of said fuel channel and rapidly
pass said gas intake control valve; the residual displacement
stroke of said control rod being absorbed by said first spring, and
the fuel gas passing said gas intake control valve being enabled to
reach said insertion hole and enter said flame device so as to be
ignited by the static spark generated by said piezoelectric
device.
2. The gas combustor as claimed in claim 1, wherein a connection
pipe is provided between said seat hole and said insertion hole of
said base seat, and said connection pipe is provided on the outer
surface of said base seat.
3. The gas combustor as claimed in claim 2, wherein two ends of
said connection pipe are respectively connected to a first thread
seat and a second thread seat, and said first thread seat and said
second thread seat are respectively inserted in said seat hole and
said insertion hole.
4. The gas combustor as claimed in claim 1, wherein the interior of
said sleeve pipe is provided with a filter.
5. The gas combustor as claimed in claim 1, further including a
continue button, said continue button is disposed in an opening at
the top front of said housing and longitudinally sleeved with a
seventh spring abutted against the interior of said housing, the
bottom of said continue button is formed with a buckle hook, the
top surface of said press button is formed with a buckle hole
allowing said buckle hook to be buckled, thereby preventing said
press button from being automatically recovered and allowing said
gas intake control valve to be remained in an opened status.
6. The gas combustor as claimed in claim 1, further including a
safety button, said safety button is disposed in an opening at the
bottom front of said housing and the top surface thereof is
protrudingly formed with at least a stop unit; the bottom surface
of said press button is protrudingly formed with a stop block
corresponding to said stop unit and abutted against said stop unit,
so said press button is formed in a locking status in which the
press operation is not allowed, when said safety button is
laterally pulled for allowing said stop unit to be released from
said stop block, said press button is formed in an unlocking status
in which the press operation is allowed.
7. The gas combustor as claimed in claim 1, wherein said connection
device is provided with a connection ring, the interior of said
connection ring is formed with a connection part, said connection
part is communicated a ring hole of said connection ring, and a
connection segment formed at one end of a filling nozzle passes
said ring hole and is further combined with a securing end cover,
one end of said convey pipe passes said securing end cover and
protrudes into said filling nozzle.
8. The gas combustor as claimed in claim 7, wherein said connection
ring is formed with a positioning slot at the top periphery for
being sleeved in a positioning tenon correspondingly formed inside
the opening at the bottom so as to be fastened.
9. The gas combustor as claimed in claim 1, wherein said fuel
channel of said base seat is further communicated with a gasify
chamber and a combination hole allowing a press stabilizing device
to be installed therein, said gas outlet is laterally communicated
with said gasify chamber; said fuel channel and said insertion hole
are respectively installed with a first and a second gas supply
valve, said first gas supply valve includes a second valve seat
connected to the upstream of said fuel channel, the interior of
said second valve seat is provided with a fourth spring and a
second thimble valve protruding out of the front of said second
valve seat, the rear of said second thimble valve is connected to
said press stabilizing device; and said second gas supply valve
includes a third valve seat connected to the upstream of said
insertion hole, the interior of said third valve seat is provided
with a sixth spring and a third thimble valve protruding out of the
bottom of said third valve seat, and the downstream of said
insertion hole allows said flame device to be inserted.
10. The gas combustor as claimed in claim 9, wherein said press
stabilizing device includes: a partition membrane, formed as an
elastic membrane made of a polymer material, the periphery thereof
is connected to the bottom wall of said combination hole, the
bottom of said partition membrane is adjacent to said gasify
chamber, wherein the bottom of said partition membrane is connected
to a passive member sleeved with said second thimble valve, the top
thereof is connected to a support member; and a regulation seat,
fitted in a fasten seat with a rotary manner, and a shaft rod at
the top thereof is protruded out of an opening at the top of said
fasten seat; said fasten seat is fastened in said combination hole,
and the bottom periphery of said fasten seat is served to press the
periphery of said partition membrane onto the bottom wall of said
combination hole, and a fifth spring is disposed between the top
inner wall of said regulation seat and said support member; through
rotating said regulation seat to allow said regulation seat to
axially ascend or descend in said fasten seat, said fifth spring
disposed between said regulation seat and said support member at
the top of said partition membrane is compressed or stretched for
adjusting the pressure, when the pressure applied by said fifth
spring to said partition membrane is greater than the pressure of
said fourth spring in said first gas supply valve and the fuel
pressure, and the pressure applied by said fifth spring to said
partition membrane is smaller than the fuel gasifying pressure in
said gasify chamber, said partition membrane, said support member
and said passive member reciprocally and synchronously drive said
second thimble valve to move so as to open or close said second
valve seat of said first gas supply valve, thereby adjusting the
pressure of the fuel entering said gasify chamber and the amount of
gasified fuel gas flowing towards said gas outlet.
11. The gas combustor as claimed in claim 10, wherein said press
stabilizing device further includes a rotary button disposed on
said shaft rod at the top of said regulation seat, said rotary
button is protruded out of the opening at the rear of said
housing.
12. The gas combustor as claimed in claim 10, wherein said press
stabilizing device further includes a position limiting sheet
having its central area being protruded, the periphery thereof is
connected to said partition membrane, and the upper portion of said
support member is protruded out of a position limiting hole
preformed at the center of said position limiting sheet.
13. The gas combustor as claimed in claim 10, wherein the bottom of
said regulation seat is radially formed with a flange sleeved with
a friction ring which forms the friction interfere with the inner
wall of said fasten seat.
14. The gas combustor as claimed in claim 9, wherein said flame
device includes an engagement pipe inserted in the opening at the
top of said housing and the bottom thereof abutted against the top
periphery of said insertion hole, the interior of said engagement
pipe is provided with a mix pipe, the bottom of said mix pipe is
combined with a nozzle seat, and an inner flange at the bottom of
said engagement pipe is clamped therebetween, the front of said
nozzle seat is provided with a nozzle, the mid portion of said mix
pipe is formed with plural air holes, so air is able to be
introduced from air guiding slots preformed at the front of said
housing then pass said air holes so as to enter said mix pipe,
thereby being mixed with the fuel gas ejected by said nozzle; when
said mix pipe is not inserted in said insertion hole, said third
thimble valve closes said third valve seat due to the stretch
effect provided by said sixth spring, thereby forming a fuel gas
terminating status; when said mix pipe is inserted in said
insertion hole, said nozzle seat pushes said third thimble valve so
as to compress said sixth spring, the fuel gas is allowed to pass
said third valve seat and ejected out from said nozzle at the front
of said nozzle seat.
15. The gas combustor as claimed in claim 14, wherein the top of
said engagement pipe is further formed with an outer flange, an
inner wall of said outer flange is longitudinally formed with a
wire slot penetrating said outer flange, and the bottom surface of
said outer flange is preformed with an annular concave slot capable
of being sleeved with an electric conductive metal ring, said
electric conductive ring is further coupled to an electric
conductive extending wire received in said wire slot; said
engagement pipe is disposed in a detach ring, and the bottom of an
external pipe is inserted between said engagement pipe and said mix
pipe, and said electric conductive extending wire is received in
said external pipe, and the end section of said electric conductive
extending wire is fastened on a conductive wire positioning ring at
the inner front of said external pipe; and the top opening of said
base seat is longitudinally formed with a terminal positioning hole
for being installed with an electric conductive terminal, said
electric conductive terminal is connected to said piezoelectric
device through an electric conductive wire, and said electric
conducive ring is in constant contact with said electric conductive
terminal, thereby forming an electrical connection from said
piezoelectric device to said external pipe.
16. The gas combustor as claimed in claim 14, wherein the interior
of said nozzle is provided with a filter.
17. The gas combustor as claimed in claim 15, wherein the front of
said external pipe is further connected to a flame pipe, a gas
guiding set capable of guiding the flow direction of the mixed fuel
gas is installed inside said flame pipe, and a packing ring is
abutted against said gas guiding set for enabling said gas guiding
set to be fastened in said flame pipe.
18. The gas combustor as claimed in claim 17, wherein the front of
said flame pipe is further connected to an extending pipe.
Description
BACKGROUND OF THE INVENTION
[0001] 1. Field of the Invention
[0002] The present invention relates to a gas combustor, especially
to a gas combustor capable of synchronously processing ignition and
rapidly supplying fuel gas.
[0003] 2. Description of Related Art
[0004] Fire is a must have element in our lives, with fire, we can
cook food, can be provided with lighting, and the fire can also be
used for combustion operations such as forging, soldering and
welding. Take a canned gas for example, liquid gas is contained
therein, the canned gas can be used for refilling a lighter or
combined in a portable gas stove for lighting objects or cooking
food, thereby providing convenience in use. Thus, the canned gas
plays an important role in our lives which cannot be easily
replaced.
[0005] With the convenience provided by the canned gas, there are
two types of gas combustors in the marketplace, the U.S. Pat. No.
5,466,149 (corresponding to the Taiwan Utility Patent No. 271227)
and the U.S. Pat. No. 5,564,919 (corresponding to the Taiwan
Utility Patent No. 277674) granted to the applicant of the present
invention have disclosed a gas combustor, in which a connection
nozzle at the bottom thereof is connected to a gas discharge valve
of a canned gas, so liquid gas can be injected into a fuel storage
tank, thereby enabling a gas discharge device installed in the gas
combustor to be provided with the gas and a combustion device to be
provided with fuel. Another type of gas combustor is illustrated as
following: the U.S. Pat. No. 5,735,353 (corresponding to the Taiwan
Utility Patent No. 329905) and the U.S. Pat. No. 5,816,794
(corresponding to the Taiwan Utility Patent No. 303012) granted to
the applicant of the present invention have disclosed a gas
combustor, in which a support device is installed below the gas
combustor, after being connected with a canned gas available in the
marketplace, the fuel in the canned gas is enabled to be gasified
for supplying to the whole combustion device, thereby being able to
be used for soldering or welding or other combustion
operations.
[0006] In the second type of gas combustor mentioned above, massive
amount of fuel gas would be ejected due to the high pressure
released by the canned gas, so larger flame can be provided for
processing a continuous or large scale combustion operation.
[0007] Moreover, according to the U.S. Pat. No. 5,735,353, a gas
control device has to be opened prior to the ignition process and
the fuel gas supply, then a piezoelectric device is pressed, thus
the operation is still not too convenient. As such, the skilled
people in the art have developed a gas combustor in which a gas
intake control valve and a piezoelectric device can be
synchronously controlled by a button, when the button is pressed,
the gas intake control valve is opened and the piezoelectric device
is actuated at the same time, thereby forming a function of
synchronously supplying fuel gas and processing ignition; because a
thimble valve in the gas intake control valve and a press piece in
the piezoelectric device are displaced with the same stroke, e.g. 6
mm, so when the thimble valve enables the valve to be opened, the
mixed fuel gas has not yet reached the location where a flame
nozzle of an external pipe is provided while the piezoelectric
device has already generated the static spark at the location where
the flame nozzle is provided, thereby the fuel gas being unable to
be ignited.
[0008] As such, how to provide a rapid gas introducing function to
the gas intake control valve for allowing the mixed fuel gas to
reach and pass the flame nozzle after the press piece of the
piezoelectric device has been pressed to its stroke so as to truly
synchronize the fuel gas supply and the ignition process is the
issue which shall be seriously concerned by the skilled people in
the art.
SUMMARY OF THE INVENTION
[0009] One primary objective of the present invention is to provide
a gas combustor, in which a base seat thereof is installed with a
gas intake control valve allowing gas to be rapidly introduced,
during a press button being pressed, the gas intake control valve
is enabled to allow gas to be rapidly introduced, and after the
button is completely pressed in, fuel gas passing the gas intake
control valve has already reached to the interior of a flame device
thereby being able to be ignited by the static spark generated by a
piezoelectric device, so the fuel gas supply and the ignition
process can be truly synchronized for facilitating the combustion
operation.
[0010] For achieving said objective, one technical solution
provided by the present invention is to provide a gas combustor,
which includes:
[0011] a housing, a base seat is installed therein, openings formed
at the top and the bottom of the base seat are respectively
disposed with a flame device and a connection device, wherein an
opening at the front of the housing is disposed with a press
button, the base seat is respectively and axially formed with an
accommodation slot allowing a piezoelectric device to be
accommodated and a seat hole allowing a gas intake control valve to
be received corresponding to the location where the press button
being disposed; wherein, the connection device is connected to a
fuel channel inside the base seat through a convey pipe, the fuel
channel is communicated with the seat hole through a gas outlet,
and the bottom of the flame device is disposed in an insertion hole
formed at the top of the base seat, and the insertion hole is
communicated with the seat hole; and
[0012] the gas intake control valve includes a control rod, a first
spring and a second spring sleeved in from the front of the seat
hole, and a front end cover is provided at the front of the seat
hole, so the front of the control rod is allowed to be protruded
out from the front end cover and adjacent to the press button; and
includes a first valve seat sleeved in from the rear of the seat
hole, and a first thimble valve and a third spring are provided in
the first valve seat, thereby allowing the first and the second
spring to be respectively disposed between the control rod and one
end of the first thimble valve and between the control rod and the
first valve seat, an opening at the rear of the first valve seat is
sleeved with a sleeve pipe, thereby allowing the third spring to be
disposed between the other end of the first thimble valve and the
sleeve pipe, and a rear end cover is provided at the rear of the
seat hole;
[0013] when the control rod is pushed by the press button, the
first and the second spring are synchronously compressed, so the
first spring pushes the first thimble valve till the first spring
is abutted against the first valve seat, the first thimble valve
compresses the third spring and opens the first valve seat, thereby
allowing the fuel gas to enter the seat hole through the gas outlet
of the fuel channel and rapidly pass the gas intake control valve;
the residual displacement stroke of the control rod is absorbed by
the first spring, and the fuel gas passing the gas intake control
valve is enabled to reach the insertion hole and enter the flame
device so as to be ignited by the static spark generated by the
piezoelectric device.
BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The present invention will be apparent to those skilled in
the art by reading the following detailed description of a
preferred embodiment thereof, with reference to the attached
drawings, in which:
[0015] FIG. 1 is a perspective view illustrating the gas combustor
according to the present invention;
[0016] FIG. 2 is another perspective view illustrating the gas
combustor being viewed from another angle according to the present
invention;
[0017] FIG. 3 is a perspective exploded view illustrating the gas
combustor according to the present invention;
[0018] FIG. 4 is a perspective exploded view illustrating the base
seat and the gas intake control valve according to the present
invention;
[0019] FIG. 5 is a perspective exploded view illustrating the base
seat and the pressure stabilizing device according to the present
invention;
[0020] FIG. 6 is a perspective exploded view illustrating the flame
device according to the present invention;
[0021] FIG. 7 is a cross sectional view illustrating the assembly
of the gas combustor according to the present invention;
[0022] FIG. 8 is a partially enlarged cross sectional view
illustrating the gas intake control valve while the press button of
the gas combustor not being pressed according to the present
invention;
[0023] FIG. 9 is a cross sectional view illustrating the press
button of the gas combustor being pressed according to the present
invention;
[0024] FIG. 10 is a partially enlarged cross sectional view
illustrating the gas intake control valve after the press button of
the gas combustor being pressed according to the present
invention;
[0025] FIG. 11 is a partially enlarged cross sectional view
illustrating the connection of the pressure stabilizing device and
the base seat of the gas combustor according to the present
invention;
[0026] FIG. 12 is a cross sectional view illustrating the gas
combustor continuously supplying gas according to the present
invention; and
[0027] FIG. 13 is a cross sectional view illustrating the safety
locking status of the gas combustor being released according to the
present invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
[0028] Referring from FIG. 1 to FIG. 13, the gas combustor provided
by the present invention includes a housing 1, a connection device
2, a base seat 3, a press stabilizing device 4 and a flame device
5.
[0029] The housing 1 is composed of a left shell 11 and a right
shell 12 being engaged with each other, and used for housing other
components, the interior of the left shell 11 and the right shell
12 is formed with plural tenons, slots and ribs for positioning and
accommodating the other components. The assembly of the gas
combustor is shown in FIG. 1 and FIG. 2, wherein an opening 13 is
respectively formed at the front, the bottom front, the top front
and the rear of the housing 1 for respectively installed with a
press button 14, a safety button 15, a continue button 16 and a
rotary button 46, and an opening 13 formed at the top of the
housing 1 can be detachably installed with the flame device 5
having different gas guiding set 55 with respect to the desired
combustion flame, and an opening 13 formed at the bottom is
installed with the connection device 2 for being connected with a
canned gas.
[0030] The inner wall of an opening 13 formed at the top of the
base seat 3 is longitudinally formed with a terminal positioning
hole 17 for being installed with an electric conductive terminal
343, the electric conductive terminal 343 is connected to a
piezoelectric device 34 through an electric conductive wire
342.
[0031] As shown in FIG. 3 and FIG. 7, the connection device 2 is
disposed in the opening 13 at the bottom of the housing 1, the
connection device 2 is provided with a connection ring 21, the
interior of the connection ring 21 is formed with a connection part
211, the connection part 211 is formed with a ring hole 212
communicated with the top wall, wherein the connection part 211 is
designed with respect to a connection part formed at the top of the
canned gas, so the connection part 211 is formed as e.g. but not
limited to threads. A buffer ring sheet 22 is disposed between the
inner wall of the ring hole 212 and the connection part 211, and a
connection segment 231 formed at one end of a filling nozzle 23
passes the buffer ring sheet 22 and is combined with the ring hole
212, and further combined with a securing end cover 24, one end of
a convey pipe 25 passes the securing end cover 24 and is inserted
in the filling nozzle 23, thereby being enabled to receive the
liquid fuel outputted by the canned gas.
[0032] As such, when the connection ring 21 and the canned gas are
connected, the liquid fuel is introduced from the filling nozzle
23, and fitted at the upstream of a fuel channel 35 obliquely
formed at the rear of the base seat 3 through a gas intake thread
seat 251 at the other end of the convey pipe 25, thereby allowing
the liquid fuel to be conveyed to the interior of the fuel channel
35. Wherein, the connection ring 21 is formed with a positioning
slot 213 at the top periphery for being sleeved in a positioning
tenon correspondingly formed inside the opening 13 at the bottom so
as to be fastened.
[0033] As shown in FIG. 3 to FIG. 5, and FIG. 7 to FIG. 11, the
base seat 3 is an integrally-formed seat member, the upstream of
the fuel channel 35 formed at the rear thereof is connected with a
first gas supply valve 36, the first gas supply valve 36 is
installed with a second valve seat 361 disposed in the fuel channel
35, the interior of the second valve seat 361 is provided with a
fourth spring 362 and a second thimble valve 363 protruding out of
the second valve seat 361, and the rear of the second thimble valve
363 is connected to the pressure stabilizing device 4.
[0034] The pressure stabilizing device 4 is disposed in a stepped
combination hole 351 formed at the downstream of the fuel channel
35, the pressure stabilizing device 4 includes a partition membrane
41, a position limiting sheet 42, a fifth spring 43, a regulation
seat 44, a fasten seat 45 and a rotary button 46. The partition
membrane 41 is an elastic membrane made of a polymer material, and
the periphery thereof is connected to the bottom wall of the
combination hole 351, so a gasify chamber 352 is formed between the
bottom of the partition membrane 41 and the first gas supply valve
36, and the gasify chamber 352 is communicated with a gas outlet
353. Wherein, the bottom and the top of the partition membrane 41
are respectively connected to a passive member 411 and a support
member 412 which are respectively sleeved with the second thimble
valve 363 and a fifth spring 43, the periphery of the position
limiting sheet 42 having its central area being protruded is
connected to the partition membrane 41, and the upper portion of
the support member 412 is protruded out of a position limiting hole
421 preformed at the center of the position limiting sheet 42
thereby being able to be sleeved with one end of the fifth spring
43, and the other end of the fifth spring 43 is sleeved on the top
inner wall of the regulation seat 44.
[0035] The regulation seat 44 is fitted in the fasten seat 45 with
a rotary manner, and a shaft rod 441 at the top thereof is
protruded out of an opening at the top of the fasten seat 45; then,
the fasten seat 45 is fastened, e.g. being riveted, in the
combination hole 351, and the bottom periphery of the fasten seat
45 is served to press the periphery of the position limiting sheet
42 and the partition membrane 41 on the bottom wall of the
combination hole 351, then the rotary button 46 is installed on the
shaft rod 441 at the top of the regulation seat 44, thereby
allowing the rotary button 46 to synchronously drive the regulation
seat 44 to rotate in the fasten seat 45, the combination of the
pressure stabilizing device 4 and the base seat 3 is therefore
accomplished.
[0036] In addition, the top surface and the mid portion of a flange
442 at the bottom of the regulation seat 44 are respectively
sleeved with a seal ring 443 and a friction ring 444, so when the
seal ring 443 disposed at top of the flange 442 is abutted against
a block wall 451 protrudingly formed in the fasten seat 45, the
motion is defined as the limitation for the regulation seat 44
upwardly moving relative to the fasten seat 45; when the regulation
seat 44 rotates in the fasten seat 45, a special hand feeling is
generated through the friction interfere formed through the
friction ring 444 rotating on the inner wall of the fasten seat
45.
[0037] When the pressure stabilizing device 4 is in a closed
status, the fifth spring 43 disposed between the regulation seat 44
and the support member 412 on the top surface of the partition
membrane 41 is in an energy releasing (stretched) status, the
passive member 411 on the bottom surface of the partition membrane
41 does not apply force to the second thimble valve 363, so the
fourth spring 362 in the first gas supply valve 36 is also in the
energy releasing status, and the second thimble valve 363 is
abutted against the second valve seat 361, the first gas supply
valve 36 is in a closed status thereby being unable to inject fuel
into the gasify chamber 352 at the bottom of the press stabilizing
device 4.
[0038] As shown in FIG. 11, when the rotary button 46 is rotated,
the regulation seat 44 is driven to rotate in the fasten seat 45
and an axial displacement is generated, so the regulation seat 44
enables the fifth spring 43 to be in an energy storing (compressed)
status, and the support member 412, the central part of the
partition membrane 41 and the passive member 411 and the second
thimble valve 363 are synchronously and downwardly moved, thereby
allowing the second valve seat 361 of the first gas supply valve 36
to be opened. At this moment, the liquid fuel conveyed by the fuel
channel 35 passes the first gas supply valve 36 and enters the
gasify chamber 352, thereby enabling the liquid fuel to be
gasified, and the gasified fuel gas flows towards the gas outlet
353 and enters a gas intake control valve 32 installed at the
bottom of the base seat 3 and disposed at the downstream of the gas
outlet 353.
[0039] Because the diameter of the second valve seat 361 is
smaller, excessive fuel gas or liquid fuel which has not yet been
gasified would rapidly fill and remain in the gasify chamber 352.
When the internal pressure of the gasify chamber 352 is rapidly
increased, the central part of the partition membrane 41 is
elastically and upwardly displaced, and the fifth spring 43 is
compressed, at this moment, the second thimble valve 363 is
upwardly moved and the fourth spring 362 is stretched, thereby
sealing the second valve seat 361 and stopping the supply of liquid
fuel.
[0040] When the fuel gas in the gasify chamber 352 gradually enters
the gas intake control valve 32, the internal pressure of the
gasify chamber 352 is gradually decreased, at this moment, the
fifth spring 43 is stretched, the support member 412, the central
part of the partition membrane 41 and the passive member 412 are
pushed to be downwardly displaced, so the second thimble valve 363
is downwardly moved and the fourth spring 362 is compressed,
thereby forming the liquid fuel supplying status as shown in FIG.
11. In fact, the fuel rapidly flows between the first gas supply
valve 36 in the base seat 3, the pressure stabilizing device 4 and
the gas intake control valve 32, the partition membrane 41 and the
second thimble valve 363 also rapidly and reciprocally move, so the
liquid fuel is enabled to be fully gasified to fuel gas, thereby
obtaining a constant pressure effect.
[0041] As such, through rotating the regulation seat 44 to allow
the regulation seat 44 to axially ascend or descend in the fasten
seat 45, the fifth spring 43 disposed between the regulation seat
44 and the support member 412 at the top of the partition membrane
41 is compressed or stretched for adjusting the pressure, when the
pressure applied by the fifth spring 43 to the partition membrane
41 is greater than the pressure of the fourth spring 362 of the
first gas supply valve 36 and the fuel pressure, and the pressure
applied by the fifth spring 43 to the partition membrane 41 is
smaller than the fuel gasifying pressure in the gasify chamber 352,
the partition membrane 41, the support member 412 and the passive
member 411 reciprocally and synchronously drive the second thimble
valve 363 to move so as to open or close the second valve seat 361,
thereby adjusting the pressure of the fuel entering the gasify
chamber 352 and the amount of gasified fuel gas flowing towards the
gas outlet 353.
[0042] As shown in FIG. 4, FIG. 7 and FIG. 8, a stepped seat hole
31 allowing the gas intake control valve 32 to be installed is
axially formed at the bottom of the base seat 3, and the gas intake
control valve 32 is served to control whether supplying the fuel
gas.
[0043] The configuration of the gas intake control valve 32 is to
have a control rod 321, a first spring 322 and a second spring 323
to be installed from the front of the seat hole 31, and a front end
cover 324 is provided at the front of the seat hole 31, so a rod
button 321a at the front of the control rod 321 is protruded from
the front end cover 324 and located at the rear of the opening 13
at the front; a first thimble valve 325 and a third spring 326 are
sleeved in a first valve seat 327, then the first valve seat 327 is
sleeved from the rear of the seat hole 31, thereby allowing the
first and the second spring 322, 323 to be respectively disposed
between the control rod 321 and the first thimble valve 325 and
between the control rod 321 and the first valve seat 327, and the
first valve seat 327 is opened or closed through the axial elastic
displacement of the first thimble valve 325.
[0044] Wherein, the rear opening of the first valve seat 327 is
sleeved with a sleeve pipe 328, and the third spring 326 is
disposed between the first thimble valve 325 and the sleeve pipe
328. A filter 328a, e.g. a sintered copper member, is provided in
the sleeve pipe 328, and a rear end cover 329 is provided at the
rear of the seat hole 31, thereby allowing the gas intake control
valve 32 to be installed in the seat hole 31. The gas outlet 353 is
in communication with a gas guiding slot 329a radially formed on
the rear end cover 329, so the gasified fuel gas is enabled to
enter the gas intake control valve 32 through the gas guiding slot
329a and to be filtered by the filter 328a.
[0045] The front of the base seat 3 is axially formed with an
accommodation slot 33 allowing the piezoelectric device 34 to be
accommodated and positioned, so a press piece 341 at the front of
the piezoelectric device 34 is also located at the rear of the
opening 13 at the front. Wherein, the piezoelectric device 34 is
connected to the electric conductive terminal 343 fastened in the
terminal positioning hole 17 through the electric conductive wire
342. In addition, the opening 13 at the front is connected to the
press button 14 capable of axially moving, the press button 14
respectively allows the press piece 341 to be sleeved in and
adjacent to the rod button 321a. Moreover, the top surface of the
press button 14 is formed with a buckle hole 141 allowing the
continue button 16 to be buckled.
[0046] Referring to FIG. 7 and FIG. 8, when the press button 14 is
not pressed, with the balance effect provided by the elastic
stretch of the first and the third spring 322, 326, the first
thimble valve 325 is enabled to close the first valve seat 327, so
the fuel gas conveyed by the gas outlet 353 is unable to enter the
gas intake control valve 32.
[0047] As shown in FIG. 3, FIG. 5, FIG. 7, FIG. 9 and FIG. 10,
during the press button 14 being pressed, the press piece 341 and
the rod button 331a are respectively pushed, so the control rod 321
is axially moved toward inward thereby compressing the first and
the second spring 322, 323, the first spring 322 pushes the first
thimble valve 325 and is abutted against the first valve seat 327,
and the first thimble valve 325 opens the first valve seat 327 and
compresses the third spring 326, so the fuel gas conveyed by the
gas outlet 353 is enabled to rapidly pass the filter 328a, the
first valve seat 327 and the seat hole 31 along a direction marked
with an arrow, and enter one end of a connection pipe 38 provided
on the outer surface of the base seat 3, the other end of the
connection pipe 38 is in communication with a stepped insertion
hole 39 radially formed on the top surface of the base seat 3, the
upstream of the insertion hole 39 is in communication with the
connection pipe 38 and further installed with a second gas supply
valve 37, the second gas supply valve 37 is provided with a third
valve seat 371 installed at the upstream of the insertion hole 39,
the interior of the third valve seat 371 is provided with a sixth
spring 372 and a third thimble valve 373 protruding out of the
bottom of the third valve seat 371. When the third thimble valve
373 is not pushed, e.g. a mix pipe 52 of the flame device 5 not
being installed yet, the third thimble valve 373 closes the third
valve seat 371. Wherein, two ends of the connection pipe 38 are
respectively connected to a first thread seat 381 and a second
thread seat 382, and the first thread seat 381 and the second
thread seat 382 are respectively inserted in the seat hole 31 and
the insertion hole 39, thereby allowing the fuel gas discharged by
the gas intake control valve 32 to pass the connection pipe 38 and
enter the insertion hole 39.
[0048] When the press button 14 is pressed, the press piece 341
actuates the piezoelectric device 34 thereby generating static
electricity, and the static electricity is transferred through the
electric conductive wire 342, the electric conductive terminal 343,
an electric conductive ring 515 and an electric conductive
extending wire 516 to the gas guiding set 55 of the flame device 5;
because the first spring 322 has already been abutted against the
first valve seat 327, the control rod 321 is able to continuously
push the first and the second spring 322, 323 thereby the
displacement stroke of the control rod 321 being able to be
absorbed and preventing any affection to the third spring 326.
[0049] As shown in FIG. 3, FIG. 6, FIG. 7 and FIG. 9, the flame
device 5 is provided with an engagement pipe 51 inserted in the
opening 13 at the top of the housing 1 and the bottom thereof
abutted against the top periphery of the insertion hole 39, the
interior of the engagement pipe 51 is provided with a mix pipe 52,
the bottom of the mix pipe 52 is combined with a nozzle seat 521,
and an inner flange 511 at the bottom of the engagement pipe 51 is
clamped therebetween. When the bottom of the nozzle seat 521 is
sleeved with and presses the third thimble valve 373, the fuel gas
is able to be ejected out from a nozzle 522 at the top of the
nozzle seat 521. Wherein, the interior of the nozzle 522 is
provided with a filter 524, e.g. a sintered copper member, for
filtering the fuel gas passing the nozzle seat 521; moreover, the
mix pipe 52 is radially formed with plural air holes 523, so the
air can be introduced from air guiding slots 18 preformed at two
sides of the opening 13 at the top of the housing 1, then pass the
air holes 523 so as to enter the mix pipe 52, thereby being mixed
with the fuel gas ejected by the nozzle 522, so a mixed fuel gas is
formed. Wherein, the inner wall of an outer flange 512 at the top
of the engagement pipe 51 is longitudinally formed with a wire slot
513 penetrating the outer flange 512, and the bottom surface of the
outer flange 512 is preformed with an annular concave slot 514
capable of being sleeved with an electric conductive metal ring
515, so the electric conductive ring 515 is able to be in constant
contact with the electric conductive terminal 343, and the electric
conductive ring 515 is further coupled to the electric conductive
extending wire 516 received in the wire slot 513.
[0050] Moreover, the engagement pipe 51 is provided with a detach
ring 53, and the bottom of an external pipe 54 is inserted between
the engagement pipe 51 and the mix pipe 52, and the external pipe
54 is secured on the mix pipe 52 by utilizing a screw 542 thereby
preventing the two pipes from shaking. The electric conductive
extending wire 516 is received in the external pipe 54, and the end
section of the electric conductive extending wire 516 is fastened
on a conductive wire positioning ring 541 at the inner front of the
external pipe 54.
[0051] For generating a special flame effect, the gas guiding set
55 capable of guiding the flow direction of the mixed fuel gas is
installed inside a flame pipe 56, and a packing ring 551 is abutted
against the gas guiding set 55 for being fastened in the flame pipe
56. Lastly, an extending pipe 57 is sleeved at the front of the
flame pipe 56, thereby finishing the assembly of the flame device
5. Wherein, the gas guiding set 55 is e.g. but not limited to a
cross-shaped rotary member, so when the mixed fuel gas passes the
cross-shaped rotary member, a vortex-like flame can be generated
thereby enhancing the combustion effect.
[0052] The steps for installing the flame device 5 on the housing 1
and the base seat 3 is that: firstly the detach ring 53 is aimed at
the opening 13 at the top of the housing 1 and tightened, so the
detach ring 53 is fastened on the top of the housing 1, and the
nozzle seat 521 at the bottom of the mix pipe 52 is inserted in the
insertion hole 39 formed at the top of the base seat 3, thereby
allowing the second gas supply valve 37 and the nozzle seat 521 to
form an airtight connection; when the detach ring 53 is rotated for
being positioned, the electric conducive ring 515 of the engagement
pipe 51 is in contact with the electric conductive terminal 343
preformed in the opening 13 at the top of the housing 1, thereby
forming an electrical connection from the piezoelectric device 34
to the external pipe 54. On the other hand, if the flame device 5
is desired to be detached, the detach ring 53 is reversely rotated,
the flame device 5 is enabled to be released and removed from the
opening 13 at the top of the housing 1, thereby allowing the
electric conductive terminal 343 and the electric conductive ring
515 to be separated and the second gas supply valve 37 and the
nozzle seat 521 to be separated, and the second gas supply valve 37
is in a closed status for preventing the fuel gas from leaking.
[0053] As such, when the press piece 341 of the piezoelectric
device 34 is pressed by the press button 14, the generated static
electricity is transferred through the conductive wire 342, the
electric conductive terminal 343, the electric conductive ring 515
and the electric conductive extending wire 516, static spark is
generated through the electric conductive extending wire 516 and
the gas guiding set 55 of the flame pipe 56, thereby enabling the
mixed fuel gas passing the gas guiding set 55 to be ignited.
[0054] When the nozzle seat 521 at the bottom of the mix pipe 52 of
the flame device 5 is not inserted in the insertion hole 39, the
third thimble valve 373 closes the third valve seat 371 due to the
stretch effect provided by the sixth spring 372, thereby forming a
fuel gas terminating status; when the nozzle seat 521 is inserted
in the insertion hole 39, the nozzle seat 521 of the mix pipe 52
pushes the third thimble valve 373 so as to compress the sixth
spring 372, the fuel gas is allowed to pass the third valve seat
371 for entering the nozzle seat 521, and then the fuel gas is
filtered by the filter 524 and ejected out from the nozzle 522.
[0055] As shown in FIG. 3 and FIG. 12, the housing 1 of the present
invention further includes the continue button 16, the continue
button 16 is disposed in the opening 13 at the top front of the
housing 1 and longitudinally sleeved with a seventh spring 161, the
bottom of the seventh spring 161 is abutted against a stop piece 19
formed inside the housing 1 thereby providing the continue button
16 with an automatic recovery function. Wherein, the longitudinal
bottom of the continue button 16 is formed with a buckle hook 162.
When the press button 14 is pressed for being in a retracted
status, the continue button 16 is able to be directly pressed, the
buckle hook 162 and the buckle hole 141 of the press button 14 form
a buckling status as shown in FIG. 12, so the press button 14 is
prevented from being automatically recovered even after the press
button 14 is no longer pressed by the external force, and the gas
intake control valve 32 of the base seat 3 is still able to
continuously supply the fuel gas to the second gas supply valve 37
inside the insertion hole 39.
[0056] As shown in FIG. 3 and FIG. 13, the housing 1 of the present
invention further includes the safety button 15, the safety button
15 is disposed in the opening 13 at the bottom front of the housing
1 and the top surface thereof is protrudingly formed with at least
a stop unit 151. The bottom surface of the press button 14 is
protrudingly formed with a stop block 142 corresponding to the stop
unit 151, the stop block 142 is abutted against the stop unit 151,
so the press button 14 is formed in a locking status in which the
press operation is not allowed. If the press button 14 is desired
to be pressed, the safety button 15 is laterally pulled for
allowing the stop unit 151 to be released from the stop block 142,
so the press button 14 is formed in an unlocking status in which
the press operation is allowed.
[0057] Referring to FIG. 1, FIG. 2, FIG. 7 and FIG. 8, when the
present invention is in actual practice, the user holds the housing
1 with single hand, the portion between the thumb and index finger
(the thumb web) abuts against the oblique protrusion at the rear of
the housing 1, then the user uses the other hand to pull the safety
button 15 disposed in the opening 13 at the bottom front of the
housing 1, thereby releasing the locking status of the press button
14; then, the user uses the index finger to press the press button
14 in the opening 13 at the front of the housing 1, so during the
press button 14 being retracted, the rod button 321a of the gas
intake control valve 32 and the press piece 341 of the
piezoelectric device 34 are actuated and pressed at the same time,
thereby enabling the gas intake control valve 32 to be in an opened
status.
[0058] At this moment, the liquid fuel supplied by the canned gas
which is connected to the connection device 2 rapidly pass the
convey pipe 25, the fuel channel 35 and the first gas supply valve
36 and reaches the pressure stabilizing device 4 for being
processed with a pressure stabilizing operation, so the
fully-gasified fuel gas with constant pressure is introduced
through the gas outlet 353 to the seat hole 31, the gas intake
control valve 32, the connection pipe 38, the insertion hole 39,
the second gas supply valve 37 and enter the nozzle seat 521 of the
flame device 5 so as to be ejected out by the nozzle 522, the mix
pipe 52 is enabled to introduce air through the airflow generated
by the ejected fuel gas so as to be mixed for forming the mixed
fuel gas, and the mixed fuel gas passes the external pipe 54 for
entering the flame pipe 56, and is formed as a special airflow
through being guided by the gas guiding set 55 so as to be ejected
out from the extending pipe 57; the static electricity generated by
the piezoelectric device 34 which is synchronously pressed by the
press button 14 is transferred through the electric conductive wire
342, the electric conductive terminal 343, the electric conductive
ring 515 and the electric conductive extending wire 516, so the
static spark is able to be generated through the electric
conductive extending wire 516 and the gas guiding set 55, thereby
enabling the mixed fuel gas passing the gas guiding set 55 to be
ignited for processing the combustion operation.
[0059] At this moment, the user uses the other hand to press the
continue button 16, so the buckle hook 162 is buckled with the
buckle hole 141 at the press button 14. At this moment, the user
can release the press button 14, and the fuel in the canned gas can
still be continuously supplied to the flame pipe 56 for processing
the combustion operation.
[0060] If the combustion operation is desired to be stopped, the
continue button 16 is pressed again for releasing the buckling with
the press button 14, and the continue button 16 is enabled to be
automatically recovered through the seventh spring 161, and the
press button 14 is enabled to be automatically recovered through
the first and the second spring 322, 323 in the gas intake control
valve 32 and the piezoelectric device 34, lastly the safety button
15 is reversely pulled for being abutted against the press button
14 thereby forming the locking status.
[0061] As what has been disclosed above, the advantages achieved by
the present invention are as followings: with the special design of
the gas intake control valve, when the control rod is pushed by the
press button, the first sprig and the second spring are compressed
at the same time, so the first spring pushes the first thimble
valve till the first spring is abutted against the first valve
seat, the first thimble valve compresses the third spring and opens
the first valve seat, thereby allowing the fuel to rapidly pass the
gas intake control valve; the residual displacement stroke of the
control rod is absorbed by the first spring, and the fuel gas
passing the gas intake control valve is enabled to rapidly reach
the flame device so as to be ignited by the static spark generated
by the piezoelectric device, thereby achieving the effect of
synchronizing the fuel gas supply and the ignition process.
[0062] Many modifications and other embodiments of the inventions
set forth herein will come to mind to one skilled in the art to
which these inventions pertain having the benefit of the teachings
presented in the foregoing descriptions and the associated
drawings. Therefore, it is to be understood that the inventions are
not to be limited to the specific examples of the embodiments
disclosed and that modifications and other embodiments are intended
to be included within the scope of the appended claims. Although
specific terms are employed herein, they are used in a generic and
descriptive sense only and not for purposes of limitation.
* * * * *