U.S. patent application number 14/753570 was filed with the patent office on 2015-12-31 for faucet valve core.
The applicant listed for this patent is Xiamen Runner Industrial Corporation. Invention is credited to Jing-Ming Li, De-Sheng Liang.
Application Number | 20150376878 14/753570 |
Document ID | / |
Family ID | 52044497 |
Filed Date | 2015-12-31 |
United States Patent
Application |
20150376878 |
Kind Code |
A1 |
Liang; De-Sheng ; et
al. |
December 31, 2015 |
Faucet Valve Core
Abstract
A faucet valve core includes an outer shell, a bottom cover
connected with a bottom of the outer shell, a valve stem rotatable
and partially mounted in the outer shell. The inner end of the
valve stem is connected with a top side of the movable valve plate,
a bottom side of the move valve plate is connected with a fixed
valve plate. A pair of water channels is conic and is formed
through the fixed valve plate and each water channel has a top
opening and a bottom opening that is larger than the top opening.
Given the faucet valve core, water flow rate can be increased while
the size of the entire faucet valve core can be reduced.
Inventors: |
Liang; De-Sheng; (Xiamen,
CN) ; Li; Jing-Ming; (Xiamen, CN) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
Xiamen Runner Industrial Corporation |
Xiamen |
|
CN |
|
|
Family ID: |
52044497 |
Appl. No.: |
14/753570 |
Filed: |
June 29, 2015 |
Current U.S.
Class: |
137/801 |
Current CPC
Class: |
F16K 1/00 20130101; F16K
3/04 20130101; E03C 1/04 20130101 |
International
Class: |
E03C 1/04 20060101
E03C001/04 |
Foreign Application Data
Date |
Code |
Application Number |
Jun 30, 2014 |
CN |
201420351043.X |
Claims
1. A faucet valve core structure comprising: an outer shell; a
bottom cover connected with a bottom of the outer shell and having
a pair of drain holes formed through the bottom cover; a valve stem
rotatable mounted in the outer shell, wherein a top end of the
valve stem is located inside of the outer shell and a bottom end is
located outside the outer shell; a movable valve plate has a top
side of the movable valve plate securely connected with the end of
the valve stem inside the outer shell; and a fixed valve plate
connected with a bottom side of the movable valve plate and having
a pair of water channels formed through the fixed valve plate
corresponding to the pair of drain holes of the bottom cover,
wherein the pair of water channels is conic, and a cross-sectional
area of a bottom opening of each water channel adjacent to the
bottom cover is greater than a cross-sectional area of a top
opening of the water channel adjacent to the movable valve
plate.
2. The faucet valve core structure as claimed in claim 1, wherein
the movable valve plate has two recesses oppositely formed in a
peripheral wall and adjacent to the valve stem; and the valve stem
has two protrusions formed on and protruding from the bottom end of
the valve stem and respectively engaging the recesses.
3. The faucet valve core structure as claimed in claim 1, wherein
the outer shell has two through holes oppositely formed through the
outer shell, and the bottom cover has two bumps formed on a
peripheral surface thereof and respectively engaging the two
through holes on the outer shell.
4. The faucet valve core structure as claimed in claim 3, wherein
each bump has two inclined surfaces, and an included angle between
the inclined surface of each bump proximate to the fixed valve
plate and the peripheral surface of the bottom cover is greater
than an included angle between the inclined plane of the bump
distal to the fixed valve plate and the peripheral surface of the
bottom cover.
Description
BACKGROUND OF THE INVENTION
[0001] 1. Field of the Invention
[0002] The present invention relates to a faucet valve core and,
more particularly, to a faucet valve core for a water purifier
faucet.
[0003] 2. Description of the Related Art
[0004] A fixed valve plate of a ceramic valve core in the current
market has a water inlet and a water outlet. As the water inlet and
water outlet have a same opening size, a stable flow rate can thus
be ensured. To meet the demand for higher flow rate, the opening of
the water inlet and water outlet must be enlarged and so must the
size of the ceramic valve core. Moreover, also because water enters
the ceramic valve core through a side surface and exits the valve
core from a bottom surface thereof, the volume of the valve core
inevitably increases.
SUMMARY OF THE INVENTION
[0005] In view of the problems and drawbacks of the prior art, the
objective of the present invention is to provides a faucet valve
core having a higher flow rate and a reduced total size. To achieve
the foregoing objective, the faucet valve core includes an outer
shell, a bottom cover, a valve stem, a movable valve plate, a fixed
valve, and a collar seal.
[0006] The bottom cover is connected with a bottom of the outer
shell and has a pair of drain holes formed through the bottom
cover.
[0007] The valve stem is rotatable mounted in the outer shell. A
top end of the valve stem is located inside of the outer shell and
a bottom end is located outside the outer shell.
[0008] The movable valve plate has a top side of the movable valve
plate securely connected with the bottom end of the valve stem
inside the outer shell.
[0009] The fixed valve plate is connected with a bottom side of the
movable valve plate and has a pair of water channels formed through
the fixed valve plate corresponding to the pair of drain holes of
the bottom cover. The pair of water channels is conic, and a
cross-sectional area of a bottom opening of each water channel
adjacent to the bottom cover is greater than a cross-sectional area
of a top opening of the water channel adjacent to the movable valve
plate.
[0010] Preferably, the movable valve plate has two recesses
oppositely formed in a peripheral wall and adjacent to the valve
stem, and the valve stem has two protrusions formed on and
protruding from the bottom end of the valve stem and respectively
engaging the recesses.
[0011] Preferably, the outer shell has two through holes oppositely
formed through the outer shell, and the bottom cover has two bumps
formed on a peripheral surface thereof and respectively engaging
the two through holes on the outer shell.
[0012] Preferably, each bump has two inclined surfaces, and an
included angle between the inclined surface of each bump proximate
to the movable valve plate and the peripheral surface of the bottom
cover is greater than an included angle between the inclined plane
of the bump distal to the movable valve plate and the peripheral
surface of the bottom cover.
[0013] According to the foregoing description, the present
invention has the advantages that the fixed valve core of the
faucet valve core is conic in shape. The conic design increases the
flow rate of the faucet valve core without trading off the size of
the faucet valve core because the diameter can be limited under
18.5 mm.
[0014] Additionally, water flows in and exits from the bottom of
the faucet valve core, the problem of part of the faucet valve
being larger in diameter can be resolved, thereby reducing the size
of the whole faucet valve core and materials and costs in
production.
[0015] Further scope of the applicability of the present invention
will become apparent from the detailed descriptions given
hereinafter. However, it should be understood that the detailed
descriptions and specific examples, while indicating preferred
embodiments of the present invention, are given by way of
illustration only, since various changes and modifications within
the spirit and scope of the present invention will become apparent
to those skilled in the art from this detailed descriptions.
BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The detailed description of the drawings particularly refers
to the accompanying figures in which:
[0017] FIG. 1 is an exploded perspective view of a faucet valve
core in accordance with the present invention;
[0018] FIG. 2 is a perspective view of a bottom cover of the faucet
valve core in FIG. 1; and
[0019] FIG. 3 is a perspective view of a fixed valve plate of the
faucet valve in FIG. 1.
DETAILED DESCRIPTION OF THE INVENTION
[0020] As shown in FIGS. 1-3, the purpose, construction, features,
functions and advantages of the present invention can be
appreciated and understood more thoroughly through the following
detailed description with reference to the attached drawings.
[0021] A faucet valve core includes an outer shell 1, a bottom
cover 2, a valve stem 3, a movable valve plate 4, a fixed valve
plate 5, and a collar seal 6. The bottom cover 2 is connected with
a bottom of the outer shell 1. The valve stem 3 is rotatable
mounted in the outer shell 1, and a top end of valve stem 3 is
located inside of the outer shell 1 and a bottom end is located
outside the outer shell 1. The end of the valve stem 3 inside the
outer shell 1 is securely connected with a top side of the movable
valve plate 4, a bottom side of the movable valve plate 4 is
connected with the fixed valve plate 5.
[0022] The fixed valve plate 5 has a pair of water channels 51
formed through the fixed valve plate 5. The bottom cover 2 has a
pair of drain holes 21 formed through the bottom cover 2 and
corresponding to the pair of water channels 51 on the fixed valve
plate 5.
[0023] The pair of water channels 51 takes the form of a cone, A
cross-sectional area of a bottom opening of each water channel 51
adjacent to the bottom cover 2 is greater than a cross-sectional
area of a top opening of the water channel 51 adjacent to the
movable valve plate 4.
[0024] The movable valve plate 4 has two recesses 41 oppositely
formed in a protrusion 31 and adjacent to the valve stem 3.
[0025] The valve stem 3 has two protrusions 31 formed on and
protruding from the bottom end of the valve stem 3 and respectively
engaging the recesses 41.
[0026] The outer shell 1 has two through holes 11 oppositely formed
through the outer shell 1. The bottom cover 2 has two bumps 23
formed on a peripheral surface thereof and respectively engaging
the two through holes 11 on the outer shell 1.
[0027] Each bump 23 has two inclined surfaces 22. An included angle
between the inclined surface 22 of each bump 23 proximate to the
fixed valve plate 5 and the peripheral surface of the bottom cover
2 is greater than the inclined plane 22 of the bump 23 distal to
the fixed valve plate 5, such that the bumps 23 can easily and
firmly engage the respective through holes 11 of the outer shell 1
upon the assembly of the faucet valve core structure.
[0028] When in use, the collar seal 6 is mounted between the fixed
valve plate 5 and the bottom cover 2.
* * * * *