CN109027340A - A kind of one-way cock - Google Patents
A kind of one-way cock Download PDFInfo
- Publication number
- CN109027340A CN109027340A CN201811134957.XA CN201811134957A CN109027340A CN 109027340 A CN109027340 A CN 109027340A CN 201811134957 A CN201811134957 A CN 201811134957A CN 109027340 A CN109027340 A CN 109027340A
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- chamber
- switch shaft
- way cock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims description 20
- 230000000694 effects Effects 0.000 abstract description 24
- 239000000463 material Substances 0.000 abstract description 8
- 238000001914 filtration Methods 0.000 abstract description 7
- 230000002633 protecting effect Effects 0.000 abstract description 5
- 230000006378 damage Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 239000010437 gem Substances 0.000 description 6
- 229910001751 gemstone Inorganic materials 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 230000035558 fertility Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000009510 drug design Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
- F16K15/182—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism
- F16K15/1821—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism for check valves with a hinged or pivoted closure member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
- B01D35/046—Plug, tap, or cock filters filtering elements mounted in or on a faucet the filtering element being mounted in the faucet plug
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
Abstract
The invention discloses a kind of one-way cocks, including valve body, valve deck is provided at the top of the valve body, the valve body is internally provided with chamber, switch shaft is provided through in the middle part of the valve deck, and the bottom of the switch shaft through the valve body and extends in the chamber, the bottom of the switch shaft is provided with the spool matched with the switch shaft, regulation handle is provided at the top of the switch shaft, the side of the chamber is provided with water inlet, the side of the water inlet is provided with filter frame, the filter frame is internally provided with filter screen, the top of the filter frame is connect through the valve body and with the link block for being located at the body top.The utility model has the advantages that design rationally, is installed, is easy to use, the utilization rate of material not only being effectively improved, but also also act the effect of filtering, so that it can play good protecting effect to spool, to effectively extend its service life.
Description
Technical field
The present invention relates to valve technology fields, it particularly relates to a kind of one-way cock.
Background technique
The valve of engineering that loose joint one-way cock is widely used in small towns, Every household has an ammeter in city and various occasions, it is to pass through
Manually come cut off in (or connect) pipeline medium again can auto-action prevent medium from flowing backwards and flowing backwards caused water hammer to pipe
The destruction of attachment in part.To reach medium truncation under normal circumstances and prevent medium from flowing backwards usually with two valves, one is cut
Disconnected valve and a check-valves, its purpose is reached by combining, and with erroneous for installation, waste of material is big, causes utilization rate low,
The defects of energy consumption is big.In addition, existing one-way cock does not have filtering function, to be easy to cause the damage of spool.It is existing
There is technology 1:CN105650293 to disclose a kind of one-way cock, including valve rod, valve body, flashboard, valve deck, handwheel, check valve spool
Component, valve body are equipped with water inlet, water outlet, and the check valve spool component is located in water inlet cavity, with water inlet cavity
It is combined into check-valves, the valve deck is equipped at least one threading hole, and the valve body is equipped with threading hole.Water inlet outer end is also
It is connected with screen pipe.Gate valve and check-valves are combined into one by the present invention, and the dual function with two valves simplifies original combination
The labyrinth of formula.And threading hole is all set in valve deck and valve body, valve deck is put on two hole of valve body with line and is tightened, is effectively prevented
User steals water.And the present invention also has filtering function, and spool is effectively prevent to damage.Prior art 2:CN205479543 is disclosed
A kind of one-way cock, comprising: inlet, liquid outlet, valve body, wherein the valve body be located at the inlet and liquid outlet it
Between, which includes filter core, threshold switch, filter screen, side product slot, lid, screw, sealing strip, wherein the filter core, strainer point
Not She Yu the valve body centre, the threshold switch is set to the filter core, strainer side, and the filter core is equipped with institute outside strainer
State sealing strip, the lid, side product slot pass through respectively the screw be removably set to the filter core, strainer it is another
Side.The one-way cock pressure is stablized, and the filter area of filter screen is big, carrys out depositing contaminants equipped with special side product slot, thus mistake
Strainer is not easy to block, and easy to clean, and lid, side product slot are all easy to disassemble, and strainer is inconvenient to substitute cleaning, saves significantly
About cost.Prior art 3CN205876699 discloses a kind of spool of one-way cock, including such as lower component: spool cavity,
Hollow pipeline is formed with inside it；Jewel ball, is placed in hollow pipeline；Collet is mounted in spool chamber body, center tool
There is circulation duct；And lower gasket, it is mounted in the bottom groove of spool cavity, is in close contact with collet；Lower gasket center
With through-hole, through-hole is connected to circulation duct；Wherein, the diameter of hollow pipeline is greater than jewel ball, and jewel bulb diameter is greater than circulation
Pipeline；When liquid flows into hollow pipeline through circulation duct, jewel ball separates to form conducting with collet；Liquid is through hollow pipeline stream
When entering circulation duct, jewel ball and collet closure prevent liquid from flowing into through-hole from hollow pipeline.The spool have it is structurally reasonable,
Leakage point is few, and the pressure of 80MPa can be born when reversely closing, and jewel ball seat resist blocking and that is strong when forward direction circulates, long service life,
It can be widely applied in liquid chromatograph or the infusion pump of other instruments.
However, the above-mentioned prior art cannot play good filter effect, and good guarantor cannot be played to spool
Effect is protected, to effectively extend its service life, and good sealing effect cannot be played, to effectively prevent
The leakage of water flow.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
For the problems in the relevant technologies, the present invention proposes a kind of one-way cock, to overcome present in existing the relevant technologies
Above-mentioned technical problem.
The technical scheme of the present invention is realized as follows:
A kind of one-way cock, including valve body are provided with valve deck at the top of the valve body, and the valve body is internally provided with chamber,
Switch shaft is provided through in the middle part of the valve deck, and the bottom of the switch shaft through the valve body and extends to the chamber
Interior, the bottom of the switch shaft is provided with the spool matched with the switch shaft, and adjusting is provided at the top of the switch shaft
Handle, the side of the chamber are provided with water inlet, and the side of the water inlet is provided with filter frame, the inside of the filter frame
It is provided with filter screen, the top of the filter frame is connect through the valve body and with the link block for being located at the body top, institute
It states the top of valve body and is provided with fixed block positioned at the two sides of the link block, and between the fixed block and the link block
It is connected by bolt one, the other side of the chamber is provided with water outlet, and the top and bottom of the water outlet side are symmetrically set
Semicircle valve cover, and several reset springs between the semicircle valve cover and the inner wall of the chamber are equipped with, it is described
The side of semicircle valve cover is provided with rotation axis, and the both ends of the rotation axis pass through several arc link blocks and institute
It states the inner wall connection of chamber, the side of the semicircle valve cover and is provided with arc-shaped limit far from the side of the water outlet
Plate, and the side of the arc-shaped limit plate is fixedly connected with the inner wall of the chamber.
Further, it is connected between the valve deck and the valve body by bolt two.
Further, the interior bottom of the valve body is provided with the groove matched with the spool, and the groove is located at
The lower section of the spool.
Further, several sealing rings one are provided between the switch shaft and the valve deck.
Further, seal cap is provided between the switch shaft and the top of the valve deck.
Further, sealing ring two is provided between the top of the filter frame and the valve body.
Further, gasket is provided on the outside of the semicircle valve cover.
Beneficial effects of the present invention: by being provided with filter screen, so that it can play good filter effect, from
And bring damage due to large particle confrontation spool impacts is efficiently avoided, so that it can play good protection
Effect；By being used cooperatively for filter frame, link block, fixed block and bolt one, so that it can play filter screen fastly
The effect of quick-detach, to bring great convenience to its cleaning or replacement；Pass through regulation handle, switch shaft, spool, semicircle
Shape valve cover, rotation axis, arc link block, arc-shaped limit plate and reset spring and be used cooperatively so that it can be played
The function and effect of block valve and check-valves are substituted simultaneously, so that it has effectively saved material, so that effectively soil fertility improves
Stock utilization, by rotating regulation handle, so that switch shaft band movable valve plug rises, so that valve opening,
Open it by semicircle valve cover, so that chamber is completely unimpeded, so that water flow can be from
Water outlet outflow, when the valve is closed, water inlet is not just having water flow entrance, at this point, the indoor water flow pressure very little of chamber, multiple
Under the action of the spring of position it is resetted semicircle valve cover, so that its effect that can play anti-backflow；This hair
Bright design rationally, is installed, is easy to use, not only effectively improving the utilization rate of material, but also also act the effect of filtering,
So that it can play good protecting effect to spool, to effectively extend its service life.
In addition, being used cooperatively by groove, sealing ring one, seal cap, sealing ring two and gasket, so that it can
To play good sealing effect, to effectively prevent the leakage of water flow.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of schematic diagram of one-way cock according to an embodiment of the present invention.
In figure:
1, valve body；2, valve deck；3, chamber；4, switch shaft；5, spool；6, regulation handle；7, water inlet；8, filter frame；9, it filters
Net；10, link block；11, fixed block；12, bolt one；13, water outlet；14, semicircle valve cover；15, rotation axis；16, arc
Link block；17, arc-shaped limit plate；18, groove；19, sealing ring one；20, seal cap；21, sealing ring two；22, gasket；23,
Reset spring；24, bolt two.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected
Range.
According to an embodiment of the invention, providing a kind of one-way cock.
As shown in Figure 1, a kind of one-way cock according to an embodiment of the present invention, including valve body 1, the top of the valve body 1 are set
It is equipped with valve deck 2, the valve body 1 is internally provided with chamber 3, and the middle part of the valve deck 2 is provided through switch shaft 4, and described
The bottom of switch shaft 4 is through the valve body 1 and extends in the chamber 3, and the bottom of the switch shaft 4 is provided with opens with described
The spool 5 that axis 4 matches is closed, the top of the switch shaft 4 is provided with regulation handle 6, and the side of the chamber 3 is provided with into water
Mouth 7, the side of the water inlet 7 is provided with filter frame 8, and the filter frame 8 is internally provided with filter screen 9, the filter frame 8
Top connect through the valve body 1 and with the link block 10 for being located at 1 top of the valve body, the top of the valve body 1 and be located at
The two sides of the link block 10 are provided with fixed block 11, and pass through bolt one between the fixed block 11 and the link block 10
12 connections, the other side of the chamber 3 is provided with water outlet 13, is symmetrically arranged at the top and bottom of 13 side of water outlet
Semicircle valve cover 14, and several reset springs 23 between the semicircle valve cover 14 and the inner wall of the chamber 3, institute
The side for stating semicircle valve cover 14 is provided with rotation axis 15, and the both ends of the rotation axis 15 pass through several arcs and connect
It connects block 16 to connect with the inner wall of the chamber 3, the side of the semicircle valve cover 14 and the side far from the water outlet 13
It is provided with arc-shaped limit plate 17, and the side of the arc-shaped limit plate 17 is fixedly connected with the inner wall of the chamber 3.
With the aid of the technical scheme, by being provided with filter screen 9, so that it can play filtering effect well
Fruit, so that bring damage due to large particle confrontation spool 5 impacts is efficiently avoided, so that it can be played very well
Protecting effect；By being used cooperatively for filter frame 8, link block 10, fixed block 11 and bolt 1, so that it can be right
Filter screen 9 plays the effect of fast quick-detach, to bring great convenience to its cleaning or replacement；By regulation handle 6, open
It closes axis 4, spool 5, semicircle valve cover 14, rotation axis 15, arc link block 16, arc-shaped limit plate 17 and reset spring 23 and matches
It closes and uses, so that its function and effect that can play while substitute block valve and check-valves, so that it is effectively saved
About material, so that effectively soil fertility improves stock utilization, by rotating regulation handle 6, so that switch shaft 4 axis drives
Spool 5 rises, so that valve opening, opens it by semicircle valve cover 14, so that
Chamber 3 is completely unimpeded, so that water flow can be flowed out from water outlet 13, when the valve is closed, water inlet 7 is not just having water flow
Into at this point, the water flow pressure very little in chamber 3, answers it by semicircle valve cover 14
Position, so that its effect that can play anti-backflow；The present invention has rational design, installs, is easy to use, not mentioning only effectively
The high utilization rate of material, and the effect of filtering is also acted, so that it can play protection effect well to spool
Fruit, to effectively extend its service life.
In addition, being connected between the valve deck 2 and the valve body 1 by bolt 2 24；The interior bottom of the valve body 1 is provided with
The groove 18 matched with the spool 5, and the groove 18 is located at the lower section of the spool 5, the switch shaft 4 and the valve
It is provided with several sealing rings 1 between lid 2, is provided with seal cap 20 between the switch shaft 4 and the top of the valve deck 2,
Sealing ring 2 21 is provided between the top and the valve body 1 of the filter frame 8, the outside of the semicircle valve cover 14 is all provided with
It is equipped with gasket 22, by being used cooperatively for groove 18, sealing ring 1, seal cap 20, sealing ring 2 21 and gasket 22, from
And make it possible to and play good sealing effect, to effectively prevent the leakage of water flow.
In conclusion by means of above-mentioned technical proposal of the invention, by being provided with filter screen 9, so that it can be with
Good filter effect is played, so that bring damage due to large particle confrontation spool 5 impacts is efficiently avoided, to make
Good protecting effect can be played by obtaining it；By being used cooperatively for filter frame 8, link block 10, fixed block 11 and bolt 1,
So that its effect that fast quick-detach can be played to filter screen 9, to bring great convenience to its cleaning or replacement；
Pass through regulation handle 6, switch shaft 4, spool 5, semicircle valve cover 14, rotation axis 15, arc link block 16, arc-shaped limit plate 17
It is used cooperatively with reset spring 23, so that its function and effect that can play while substitute block valve and check-valves, from
And it is made effectively to have saved material, so that effectively soil fertility improves stock utilization, by rotating regulation handle 6, thus
So that switch shaft 4 axis band movable valve plug 5 rises, so that valve opening, makes it by semicircle valve in the presence of hydraulic pressure
Lid 14 opens, so that chamber 3 is completely unimpeded, so that water flow can be flowed out from water outlet 13, and when the valve is closed, into
Just there be not water flow entrance at the mouth of a river 7, at this point, the water flow pressure very little in chamber 3, makes it will under the action of reset spring 23
Semicircle valve cover 14 resets, so that its effect that can play anti-backflow；The present invention has rational design, and installation uses
It is convenient, the utilization rate of material is not only effectively improved, but also also act the effect of filtering, so that it can be to spool
Good protecting effect is played, to effectively extend its service life.
In addition, being used cooperatively by groove 18, sealing ring 1, seal cap 20, sealing ring 2 21 and gasket 22, from
And make it possible to and play good sealing effect, to effectively prevent the leakage of water flow.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of one-way cock, which is characterized in that including valve body (1), it is provided with valve deck (2) at the top of the valve body (1), it is described
Valve body (1) is internally provided with chamber (3), is provided through switch shaft (4) in the middle part of the valve deck (2), and the switch shaft
(4) bottom is through the valve body (1) and extends in the chamber (3), the bottom of the switch shaft (4) be provided with it is described
The spool (5) that switch shaft (4) matches is provided with regulation handle (6) at the top of the switch shaft (4), the one of the chamber (3)
Side is provided with water inlet (7), and the side of the water inlet (7) is provided with filter frame (8), the inside setting of the filter frame (8)
Have filter screen (9), the top of the filter frame (8) through the valve body (1) and with the link block that is located at the top of the valve body (1)
(10) connection, the top of the valve body (1) and the two sides for being located at the link block (10) are provided with fixed block (11), and described
It is connected between fixed block (11) and the link block (10) by bolt one (12), the other side of the chamber (3) is provided with out
The mouth of a river (13) is symmetrically arranged with semicircle valve cover (14) at the top and bottom of water outlet (13) side, and the semicircle
Several equal reset springs (23) between shape valve cover (14) and the inner wall of the chamber (3), the semicircle valve cover (14)
Side be provided with rotation axis (15), and the both ends of the rotation axis (15) pass through several arc link blocks (16) and institute
It states the inner wall connection of chamber (3), the side of the semicircle valve cover (14) and is all provided with far from the side of the water outlet (13)
It is equipped with arc-shaped limit plate (17), and the side of the arc-shaped limit plate (17) is fixedly connected with the inner wall of the chamber (3).
2. a kind of one-way cock according to claim 1, which is characterized in that between the valve deck (2) and the valve body (1)
It is connected by bolt two (24).
3. a kind of one-way cock according to claim 1, which is characterized in that the interior bottom of the valve body (1) be provided with
The groove (18) that the spool (5) matches, and the groove (18) is located at the lower section of the spool (5).
4. a kind of one-way cock according to claim 1, which is characterized in that the switch shaft (4) and the valve deck (2) it
Between be provided with several sealing rings one (19).
5. a kind of one-way cock according to claim 1, which is characterized in that the switch shaft (4) and the valve deck (2)
Seal cap (20) are provided between top.
6. a kind of one-way cock according to claim 1, which is characterized in that the top of the filter frame (8) and the valve
Body is provided with sealing ring two (21) between (1).
7. a kind of one-way cock according to claim 1, which is characterized in that the outside of the semicircle valve cover (14) is equal
It is provided with gasket (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811134957.XA CN109027340A (en) | 2018-09-28 | 2018-09-28 | A kind of one-way cock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811134957.XA CN109027340A (en) | 2018-09-28 | 2018-09-28 | A kind of one-way cock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109027340A true CN109027340A (en) | 2018-12-18 |
Family
ID=64614765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811134957.XA Pending CN109027340A (en) | 2018-09-28 | 2018-09-28 | A kind of one-way cock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109027340A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748668A (en) * | 2019-10-29 | 2020-02-04 | 晟福（天津）流体自动控制设备有限公司 | Anti-leakage self-sealing valve |
| CN112023480A (en) * | 2020-08-31 | 2020-12-04 | 浙江巨丰管业有限公司 | Preposed pressure-stabilizing back-flushing filter |
| CN112377627A (en) * | 2020-11-10 | 2021-02-19 | 德清三盛氟塑科技有限公司 | Valve mechanism convenient to disassemble and use for beverage preparation machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3474783A (en) * | 1966-02-18 | 1969-10-28 | Commissariat Energie Atomique | Respiratory mask with exhalation valve having alternate biasing means |
| CN202418656U (en) * | 2011-12-21 | 2012-09-05 | 安徽铜都阀门股份有限公司 | Soft seal gate valve with filtration function |
| CN202580142U (en) * | 2012-05-17 | 2012-12-05 | 宁波杰克龙阀门有限公司 | Gate valve with filtering function |
| CN105650293A (en) * | 2016-04-13 | 2016-06-08 | 陈杰 | One-way valve |
| CN107917249A (en) * | 2017-09-28 | 2018-04-17 | 温州诚博阀门有限公司 | A kind of double check valve |
| CN207661155U (en) * | 2017-12-03 | 2018-07-27 | 邵陈光 | A kind of anti-backflow valve with filter effect |
-
2018
- 2018-09-28 CN CN201811134957.XA patent/CN109027340A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3474783A (en) * | 1966-02-18 | 1969-10-28 | Commissariat Energie Atomique | Respiratory mask with exhalation valve having alternate biasing means |
| CN202418656U (en) * | 2011-12-21 | 2012-09-05 | 安徽铜都阀门股份有限公司 | Soft seal gate valve with filtration function |
| CN202580142U (en) * | 2012-05-17 | 2012-12-05 | 宁波杰克龙阀门有限公司 | Gate valve with filtering function |
| CN105650293A (en) * | 2016-04-13 | 2016-06-08 | 陈杰 | One-way valve |
| CN107917249A (en) * | 2017-09-28 | 2018-04-17 | 温州诚博阀门有限公司 | A kind of double check valve |
| CN207661155U (en) * | 2017-12-03 | 2018-07-27 | 邵陈光 | A kind of anti-backflow valve with filter effect |
Non-Patent Citations (3)
| Title |
|---|
| 农业部农民科技教育培训中心，中国农业广播电视学校组: "《排灌与植保机械》", 31 January 2009, 中国农业大学出版社 * |
| 李继业等: "《水暖工程基础知识与施工技术》", 30 April 2014, 知识产权出版社 * |
| 王兰君等: "《家庭电工实用手册》", 31 January 2013, 上海科学技术文献出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748668A (en) * | 2019-10-29 | 2020-02-04 | 晟福（天津）流体自动控制设备有限公司 | Anti-leakage self-sealing valve |
| CN112023480A (en) * | 2020-08-31 | 2020-12-04 | 浙江巨丰管业有限公司 | Preposed pressure-stabilizing back-flushing filter |
| CN112377627A (en) * | 2020-11-10 | 2021-02-19 | 德清三盛氟塑科技有限公司 | Valve mechanism convenient to disassemble and use for beverage preparation machine |
| CN112377627B (en) * | 2020-11-10 | 2022-05-31 | 德清三盛氟塑科技有限公司 | Valve mechanism convenient to disassemble and use for beverage preparation machine |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181218 |
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| RJ01 | Rejection of invention patent application after publication |