U.S. patent application number 09/922832 was filed with the patent office on 2003-02-06 for manual light water gate.
Invention is credited to Wu, Chun-Ching.
Application Number | 20030026658 09/922832 |
Document ID | / |
Family ID | 25447624 |
Filed Date | 2003-02-06 |
United States Patent
Application |
20030026658 |
Kind Code |
A1 |
Wu, Chun-Ching |
February 6, 2003 |
Manual light water gate
Abstract
A manual light water gate includes a water gate and an opening
and closing device as main components combined together. A
transmitting rod having its lower end connected to the water gate
and its upper portion inserted in the opening and closing device is
controlled by stop members of the opening and closing device so as
to move the water gate to open and close. Such a design is easy in
handling and capable to be provided across a ditch, an irrigation
canal, etc. available for adjusting its water level.
Inventors: |
Wu, Chun-Ching; (Ta-Liao
Hsiang, TW) |
Correspondence
Address: |
Chun-Ching Wu
241, Wan Tan Rd.
Kao-Hsiung
TW
|
Family ID: |
25447624 |
Appl. No.: |
09/922832 |
Filed: |
August 1, 2001 |
Current U.S.
Class: |
405/87 ; 405/103;
405/106 |
Current CPC
Class: |
E02B 7/30 20130101; E02B
13/02 20130101; E02B 7/36 20130101 |
Class at
Publication: |
405/87 ; 405/103;
405/106 |
International
Class: |
E02B 007/36; E02B
008/00 |
Claims
What is claimed is:
1. A manual light water gate comprising; A water gate fitted in a
gate opening formed by two opposite vertical inner walls of a
concrete frame, said water gate having a plurality of pulleys
provided at two opposite outer sides for smoothly sliding up and
down in said gate opening, several water seals provided at proper
positions and a connector fixed on a top center for a transmitting
rod to be pivotally connected with; An opening and closing device
contained in a machine housing, said machine housing fixed on an
upper side of said concrete frame, said opening and closing device
having two horizontal separating plates respectively having a rod
hole for said transmitting rod to pass through, three stop members
respectively having a rod hole for said transmitting rod to pass
through, and a spring provided between each said separating plate
and each said stop member, said springs activated to push against
said three stop members by resilient force and then produce a
frictional resistance between said transmitting rod and said rod
holes of said stop members, said machine housing further provided
with two operating levers, each said operating lever having a
support shaft as a pivot and a press wheel activated by said
operating lever to press a corresponding one of said stop members
to let said stop member and said transmitting rod form different
angles, thus producing a proper friction between said rod holes and
said transmitting rod, said friction enabling said stop members to
drive said transmitting rod together with said water gate to move
up and down smoothly.
2. The manual light water gate as claimed in claim 1, wherein cams
replace the press wheels.
Description
BACKGROUND OF THE INVENTION
[0001] This invention relates to a manual light water gate,
particularly to one possible to be provided across a waterway, a
ditch, an irrigation canal, etc. for regulating its water level,
simple in structure and easy in handling.
[0002] In general, a water gate is provided at an outlet of an
irrigation canal, a reservoir or the like, depending on practical
needs. A known conventional water gate is commonly controlled to
open and close by turning around a rotating disk manually to move a
threaded rod fixed with the water gate. However, in order to allow
this threaded rod to rotate smoothly all the time, certain
lubricant is needed to apply on the threaded rod and that very
often, otherwise deadlocked condition between its male and female
threads is liable to occur, accordingly rendering the water gate
unable to be opened and closed.
SUMMARY OF THE INVENTION
[0003] The objective of this invention is to offer a light water
gate simple in structure and capable to be manually controlled with
easiness.
[0004] The features of the invention are as follows.
[0005] 1. A transmitting rod has its lower end connected pivotally
with a water gate and its upper portion inserted in an opening and
closing device, which is actuated to control the water gate to open
and close.
[0006] 2. Opening and closing of the water gate are controlled by
two operating levers provided in the opening and closing
device.
[0007] 3. The frictional resistance produced between stop members
and the transmitting rod of the opening and closing device
functions to permit the water gate to open, to close and to be kept
at any place opened.
BRIEF DESCRIPTION OF DRAWINGS
[0008] This invention will be better understood by referring to the
accompanying drawings, wherein:
[0009] FIG. 1 is a cross-sectional view of a first embodiment of a
manual water gate in a closed condition in the present
invention;
[0010] FIG. 2 is a cross-sectional view of the first embodiment of
the manual water gate in an opened condition in the present
invention;
[0011] FIG. 3 is a cross-sectional view of the first embodiment of
the manual water gate in the process of closing in the present
invention;
[0012] FIG. 4 is a magnified view of the marked part A in FIG.
2;
[0013] FIG. 5 is a cross-sectional view of a second embodiment of
the manual water gate in a closed condition in the present
invention;
[0014] FIG. 6 is a cross-sectional view of the second embodiment of
the manual water gate in an opened condition in the present
invention;
[0015] FIG. 7 is a cross-sectional view of the second embodiment of
the manual water gate in the process of closing in the present
invention;
[0016] FIG. 8 is a perspective view of top members with
different-shaped rod holes in the present invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
[0017] A first preferred embodiment of a manual light water gate in
the present invention, as shown in FIGS. 1, 2 and 3, includes a
water gate 1 and an opening and closing device 3 combined
together.
[0018] The water gate 1 is fitted in a gate opening 20 formed by
two opposite vertical inner walls of a concrete frame 2 and has a
plurality of pulleys 10 provided on two opposite outer sides in
order to slide up and down smoothly in the gate opening 20. Then,
plural water seals 11 are provided at proper positions of the water
gate 1 to prevent water inside from seeping out, and a connector 12
is fixed on the top center of the water gate 1 for connecting
pivotally with a vertical transmitting rod 13 extending upward
through the concrete frame 2 and mounted in the opening and closing
device 3.
[0019] The opening and closing device 3 is contained in a machine
housing 30, having two horizontal separating plates 31, 32
respectively having a rod hole 310, 320 for a transmitting rod 13
to pass through, and three stop members 33, 34, 35 orderly
positioned spaced apart from top to bottom, with each stop member
having a rod hole 330, 340, 350 also for the transmitting rod 13 to
pass through therein. The rod holes 330, 340 and 350 are shaped
round or hexagonal, as shown in FIG. 8, conforming to the shape of
the transmitting rod 13. Besides, three springs 360, 361 and 362
are respectively provided between the separating plate 31 and the
stop member 33, between the separating plate 31 and the stop member
34 and between the separating plate 32 and the stop member 35.
These three stop members 33, 34, and 35 are pushed against by the
resilient force of the springs 360, 361 and 362 to produce
frictional resistance between the transmitting rod 13 and the rod
holes 330, 340 and 350 of the stop members 33, 34 and 35. Thus, the
transmitting rod 13 is stuck immovable and the water gate 12 is
supported immovable at the place opened, as shown in FIG. 2. In
addition, two operating levers 37 and 38 are respectively provided
on the separating plate 32 and on the inner wall of the machine
housing 30, respectively having a support shaft 370, 380 as a pivot
and a press wheel 371, 381 to push against the stop members 33, 34
to move upward and downward.
[0020] To open the water gate, just press down the operating lever
37 for a certain angle to make its press wheel 371 push up the stop
member 34 partially and let the stop member 34 positioned in a
.theta.2 angle with the transmitting rod 13 so as to produce a
proper friction force between the rod hole 340 of the stop member
34 and the transmitting rod 13. Thus, the stop member 34 will move
the transmitting rod 13 up by the friction force, as shown in FIG.
2, and when the transmitting rod 13 moves up to a required distance
and the stop member 34 recovers to a .theta.1 angle shown in FIG.
1, the transmitting rod 13 can be supported in place by the stop
members 33 and 35. On the contrary, to close up the water gate,
press down the operating lever 38 to push the stop member 33
partially downward by the press wheel 381, and synchronously pull
up the stop member 35 by a linking rod 382 having its upper end
connected to the bottom of the operating lever 38 by means of a
spring 383. Under such condition, the transmitting rod 13 is
gradually pushed downward by the friction force between itself and
the rod holes 330 and 350 and then the water gate is closed up.
[0021] A second preferred embodiment of a manual light water gate
is shown in FIGS. 5, 6 and 7, having the same opening and closing
device 3 as that in the first preferred embodiment, only the two
press wheels 371, 381 of the operating levers 37, 38 in the first
embodiment are replaced by two cams 371A, 381A. These two cams 371A
and 381A are turned by the operating levers 37 and 38 to a certain
angle to push against the stop members 33, 34 and 35 to drive the
transmitting rod 13 together with the water gate to move up and
down at the same time.
[0022] As can be noted from the above description, the manual light
water gate of this invention is convenient in installing and easy
in handling, and above all, it is suitable to be installed at
remote regions where power can hardly be available.
[0023] While the preferred embodiments of the invention have been
described above, it will be recognized and understood that various
modifications may be made therein and the appended claims are
intended to cover all such modifications that may fall within the
spirit and scope of the invention.
* * * * *