CN113653821A - Liquid backflow valve is prevented to liquid flow pipeline connection formula - Google Patents
Liquid backflow valve is prevented to liquid flow pipeline connection formula Download PDFInfo
- Publication number
- CN113653821A CN113653821A CN202110978963.9A CN202110978963A CN113653821A CN 113653821 A CN113653821 A CN 113653821A CN 202110978963 A CN202110978963 A CN 202110978963A CN 113653821 A CN113653821 A CN 113653821A
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- liquid
- main
- hole
- valve rod
- valve
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Classifications
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- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
- F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
- F16K3/26—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
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- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
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- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0668—Sliding valves
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- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetically Actuated Valves (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a liquid flowing pipeline connection type liquid backflow prevention valve which comprises a bottom cylindrical shell. The invention utilizes the electromagnetic principle as a control medium, when the valve is closed, the main electromagnet and the auxiliary electromagnet can lose magnetism due to the closing of current, at the moment, the main permanent magnet and the auxiliary permanent magnet can respectively move towards different directions under the action of the tension of the main spiral spring and the tension of the auxiliary spiral spring, the valve rod can penetrate into the valve rod hole under the action of the tension to block the main liquid discharge hole, the liquid can not flow, meanwhile, the valve plate can move towards a part far away from the main liquid inlet hole under the action of the main spiral spring, and the liquid can be further sucked due to the increase of the inner space, so that the liquid which is suddenly stopped and flows back can enter the liquid reserved space, and the backflow phenomenon of the liquid formed when the part stops can be effectively prevented.
Description
Technical Field
The invention relates to the technical field of valve bodies, in particular to a liquid flowing pipeline connecting type liquid backflow preventing valve.
Background
At present, most of the existing backflow prevention valves are of one-way valve principles or single closed switches, and in actual work, liquid impact phenomenon is caused due to part closing no matter the one-way valve is closed or the single switch is closed when a valve core is closed, so that micro backflow phenomenon caused by overlarge pressure intensity is caused.
Disclosure of Invention
The present invention aims to provide a liquid-flowing pipe-connected liquid-backflow-preventing valve, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a liquid flow pipeline connection type liquid backflow prevention valve comprises a bottom cylindrical shell, a top cylindrical shell, a storage battery and a current controller, wherein the top cylindrical shell is located at the top of the bottom cylindrical shell and is of an integrated structure, the storage battery is installed on one end face of the bottom cylindrical shell, the current controller is installed on the surface of the storage battery, a liquid reserved space is arranged at the center of the inner portion of the bottom cylindrical shell, a main liquid inlet pipeline is arranged on the other end face of the bottom cylindrical shell, a main liquid inlet hole is formed in the inner portion of the main liquid inlet pipeline, one end of the main liquid inlet pipeline is communicated with the liquid reserved space, a reset hole is formed in one end of the bottom cylindrical shell, a main spiral spring is installed in one end of the reset hole in the liquid reserved space, a valve plate is installed at one end of the main spiral spring, a main permanent magnet is embedded in the valve plate, two symmetrical main electromagnets are installed in the middle of the side face of the bottom cylindrical shell, a valve rod hole is formed in one side of the inner portion of the top cylindrical shell, the inside of bottom column shell and top column shell is equipped with the main drainage hole of intercommunication liquid headspace top and valve rod hole middle section bottom, the one end in valve rod hole is equipped with main part activity space, the one end installation pair electromagnet in main part activity space, a pair coil spring is laid to the inside in main part activity space, a pair permanent magnet is laid in the one end that is located vice electromagnet to vice coil spring, vice permanent magnet is being located a side-mounting valve rod in the valve rod hole, the body of rod of valve rod inserts to the inside in valve rod hole, the top of top column shell is equipped with a pair discharge pipe, the inside of vice discharge pipe and top column shell is equipped with the vice drainage hole at intercommunication valve rod hole middle section top.
Further, the initial length of the main coil spring is smaller than the distance between the reset hole and the main electromagnet.
Furthermore, the bottom end of the main liquid discharge hole is communicated with the interval of the liquid reserved space between the main liquid inlet hole and the main electromagnet.
Further, the initial length of the secondary coil spring is smaller than the length of the active space of the main part.
Further, the length of the valve rod hole is smaller than that of the valve rod, and the sum of the thicknesses of the valve rod and the auxiliary permanent magnet is smaller than that of the main liquid drainage hole and the main part moving space.
Further, the power input end of the current controller is connected with the power output end of the storage battery through a lead, and the power control output end of the current controller is connected with the power control input ends of the main electromagnet and the auxiliary electromagnet through leads.
Compared with the prior art, the invention has the beneficial effects that: the invention utilizes the electromagnetic principle as a control medium, when the valve is closed, the main electromagnet and the auxiliary electromagnet can lose magnetism due to the closing of current, at the moment, the main permanent magnet and the auxiliary permanent magnet can respectively move towards different directions under the action of the tension of the main spiral spring and the tension of the auxiliary spiral spring, the valve rod can penetrate into the valve rod hole under the action of the tension to block the main liquid discharge hole, the liquid can not flow, meanwhile, the valve plate can move towards a part far away from the main liquid inlet hole under the action of the main spiral spring, and the liquid can be further sucked due to the increase of the inner space, so that the liquid which is suddenly stopped and flows back can enter the liquid reserved space, and the backflow phenomenon of the liquid formed when the part stops can be effectively prevented.
Drawings
FIG. 1 is a schematic diagram of a liquid backflow prevention valve connected to a liquid flow pipe according to the present invention;
FIG. 2 is a schematic structural view of a liquid-flowing pipe-connected liquid-backflow-preventing valve in the direction A-A according to the present invention;
FIG. 3 is a schematic view of a liquid-flowing pipe-connected liquid-backflow-preventing valve in the direction B-B according to the present invention;
FIG. 4 is a schematic view of a liquid-flowing pipe-connecting-type liquid-backflow-preventing valve in the C-C direction according to the present invention;
in the figure: the liquid-liquid separation device comprises a bottom cylindrical shell, a top cylindrical shell, a storage battery, a liquid reserving space, a main liquid inlet pipeline, a main liquid inlet hole, a main liquid return hole, a main spiral spring 9, a valve plate, a main permanent magnet 11, a main electromagnet, a main liquid discharge hole, a valve rod hole, a main discharge pipeline, an auxiliary discharge hole, a main discharge hole, an auxiliary discharge hole, a main discharge hole, an auxiliary discharge hole, a main discharge hole, a.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention is shown: the device comprises a bottom cylindrical shell 1, a top cylindrical shell 2 which is positioned at the top of the bottom cylindrical shell 1 and has an integrated structure, a storage battery 3 which is arranged on one end surface of the bottom cylindrical shell 1, and a current controller 4 which is arranged on the surface of the storage battery 3, wherein a liquid reserved space 4 is arranged at the center of the inner part of the bottom cylindrical shell 1, a main liquid inlet pipeline 5 is arranged on the other end surface of the bottom cylindrical shell 1, a main liquid inlet hole 6 with one end communicated with the liquid reserved space 4 is arranged in the main liquid inlet pipeline 5, a reset hole 7 communicated with the inner and outer parts is arranged at one end of the bottom cylindrical shell 1, a main spiral spring 8 is arranged at one end of the reset hole 7 in the liquid reserved space 4, a valve plate 9 is arranged at one end of the main spiral spring 8, a main permanent magnet 10 is embedded in the valve plate 9, and two symmetrical main electromagnets 11 are arranged in the middle part of the side surface of the bottom cylindrical shell 1, a valve rod hole 13 is arranged at one side inside the top cylindrical shell 2, a main liquid discharge hole 12 communicating the top of the liquid reserved space 4 and the bottom of the middle section of the valve rod hole 13 is arranged inside the bottom cylindrical shell 1 and the top cylindrical shell 2, one end of the valve rod hole 13 is provided with a main part moving space 17, one end of the main part moving space 17 is provided with a pair of electromagnets 16, a pair of coil springs 20 are placed inside the main part moving space 17, the pair of coil springs 20 place a pair of permanent magnets 18 at one end of the pair of electromagnets 16, the auxiliary permanent magnet 18 is provided with a valve rod 19 at the side of the valve rod hole 13, the rod body of the valve rod 19 is inserted into the inner part of the valve rod hole 13, the top of the top cylindrical shell 2 is provided with an auxiliary discharge pipeline 14, and the auxiliary discharge pipeline 14 and the inside of the top cylindrical shell 2 are provided with an auxiliary liquid discharge hole 15 communicated with the top of the middle section of the valve rod hole 13.
The initial length of the main coil spring 8 is smaller than the distance between the reset hole 7 and the main electromagnet 11.
The bottom end of the main liquid discharge hole 12 is communicated with the interval of the liquid reserved space 4 between the main liquid inlet hole 6 and the main electromagnet 11.
The initial length of the secondary coil spring 20 is smaller than the length of the main part movement space 17.
The length of the valve rod hole 13 is smaller than that of the valve rod 19, and the sum of the thicknesses of the valve rod 19 and the auxiliary permanent magnet 18 is smaller than that of the main liquid discharge hole 12 and the main part moving space 17, so that necessary blocking and opening operations are realized.
The power input end of the current controller 4 is connected with the power output end of the storage battery 3 through a lead, and the power control output end of the current controller 4 is connected with the power control input ends of the main electromagnet 11 and the auxiliary electromagnet 16 through leads, so that the current control function is realized.
The specific use mode is as follows: in the invention, a main liquid inlet pipeline 5 and an auxiliary liquid discharge pipeline 14 are respectively communicated with a liquid inlet pipeline and a liquid discharge pipeline, when the backflow is stopped by closing, the main electromagnet 11 and the auxiliary electromagnet 16 lose magnetism due to current closing, at the moment, the main electromagnet 11 and the auxiliary electromagnet 16 respectively move to different directions under the action of the pulling force of a main spiral spring 8 and the pulling force of an auxiliary spiral spring 20, a valve rod 19 can penetrate into the valve rod hole 13 under the action of the pulling force to block a main liquid discharge hole 12, the liquid cannot flow, meanwhile, a valve plate 9 can move to a part far away from the main liquid inlet hole 6 under the action of the main spiral spring 8, the liquid can be further sucked due to the increase of the internal space, so that the liquid which is stopped suddenly and flows back into a liquid reserved space 4, when the backflow stopping device needs to work, the controller 4 needs to be opened firstly, and then the rod body is inserted into the reset hole 7, so that the valve plate 9 is reset.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a liquid reflux valve is prevented to liquid flow pipeline connection formula, includes bottom column shell (1), is located bottom column shell (1) top and top column shell (2) of integral type structure, installs battery (3) at bottom column shell (1) a terminal surface and installs current controller (4) on battery (3) surface, its characterized in that: bottom column shell (1) inside center is equipped with liquid headspace (4), and another terminal surface of bottom column shell (1) is equipped with main inlet channel (5), and the inside of main inlet channel (5) is equipped with main feed liquor hole (6) of one end intercommunication liquid headspace (4), the one end of bottom column shell (1) is equipped with external reset hole (7) in the intercommunication, a main coil spring (8) is installed in the one end that lies in reset hole (7) in liquid headspace (4), a valve plate (9) is laid to the one end of main coil spring (8), a main permanent magnet (10) is inlayed to the inside of valve plate (9), the side mid-mounting of bottom column shell (1) has the main electromagnet (11) of bisymmetry, inside one side of top column shell (2) is equipped with valve rod hole (13), the inside of bottom column shell (1) and top column shell (2) is equipped with intercommunication liquid headspace (4) top A main liquid discharge hole (12) arranged at the bottom of the middle section of the valve rod hole (13), a main part moving space (17) arranged at one end of the valve rod hole (13), one end of the main component moving space (17) is provided with a pair of electromagnets (16), a pair of spiral springs (20) are arranged inside the main component moving space (17), the auxiliary helical spring (20) is provided with a pair of permanent magnets (18) at one end of the auxiliary electromagnet (16), the auxiliary permanent magnet (18) is provided with a valve rod (19) at the side surface of the valve rod hole (13), the rod body of the valve rod (19) is inserted into the valve rod hole (13), the top of the top cylindrical shell (2) is provided with a pair of discharge pipelines (14), and an auxiliary liquid discharge hole (15) communicated with the top of the middle section of the valve rod hole (13) is formed in the auxiliary discharge pipeline (14) and the top cylindrical shell (2).
2. A liquid flow conduit-connected liquid backflow prevention valve as claimed in claim 1, wherein: the initial length of the main spiral spring (8) is smaller than the distance between the reset hole (7) and the main electromagnet (11).
3. A liquid flow conduit-connected liquid backflow prevention valve as claimed in claim 1, wherein: the bottom end of the main liquid discharge hole (12) is communicated with the interval of the liquid reserved space (4) between the main liquid inlet hole (6) and the main electromagnet (11).
4. A liquid flow conduit-connected liquid backflow prevention valve as claimed in claim 1, wherein: the initial length of the secondary coil spring (20) is smaller than the length of the main part moving space (17).
5. A liquid flow conduit-connected liquid backflow prevention valve as claimed in claim 1, wherein: the length of the valve rod hole (13) is smaller than that of the valve rod (19), and the sum of the thicknesses of the valve rod (19) and the auxiliary permanent magnet (18) is smaller than that of the main liquid discharge hole (12) and the main part moving space (17).
6. A liquid flow conduit-connected liquid backflow prevention valve as claimed in claim 1, wherein: the power input end of the current controller (4) is connected with the power output end of the storage battery (3) through a lead, and the power control output end of the current controller (4) is connected with the power control input ends of the main electromagnet (11) and the auxiliary electromagnet (16) through leads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110978963.9A CN113653821B (en) | 2021-08-25 | 2021-08-25 | Liquid flow pipeline connection type liquid backflow prevention valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110978963.9A CN113653821B (en) | 2021-08-25 | 2021-08-25 | Liquid flow pipeline connection type liquid backflow prevention valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113653821A true CN113653821A (en) | 2021-11-16 |
| CN113653821B CN113653821B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110978963.9A Active CN113653821B (en) | 2021-08-25 | 2021-08-25 | Liquid flow pipeline connection type liquid backflow prevention valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN113653821B (en) |
Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09296877A (en) * | 1996-05-02 | 1997-11-18 | Ishikawajima Harima Heavy Ind Co Ltd | Valve |
| GB0002894D0 (en) * | 1999-02-13 | 2000-03-29 | Ford John | Valve apparatus |
| JP2006200524A (en) * | 2004-12-22 | 2006-08-03 | Matsushita Electric Works Ltd | Diaphragm pump liquid discharge control apparatus |
| EP2230430A1 (en) * | 2009-03-16 | 2010-09-22 | Siemens Aktiengesellschaft | Combined regulating quick-acting valve for a steam turbine |
| JP2012233512A (en) * | 2011-04-28 | 2012-11-29 | Ckd Corp | Supply and discharge adjusting apparatus and supply and discharge adjusting system |
| CN202768906U (en) * | 2012-09-19 | 2013-03-06 | 浙江工贸职业技术学院 | Water hammer eliminating combined valve |
| CN202790588U (en) * | 2012-09-19 | 2013-03-13 | 浙江工贸职业技术学院 | Buffering type waterproof hammer valve |
| CN203431218U (en) * | 2013-08-29 | 2014-02-12 | 浙江工贸职业技术学院 | High-pressure resistant waterproof hammer valve |
| CN204153310U (en) * | 2014-09-19 | 2015-02-11 | 宁波埃美柯铜阀门有限公司 | Water hammer-resistant valve |
| WO2016195317A1 (en) * | 2015-06-02 | 2016-12-08 | 김진민 | Sealed electronic valve |
| WO2016192603A1 (en) * | 2015-06-05 | 2016-12-08 | 株洲南方阀门股份有限公司 | Water hammer-proof air valve and water hammer-proof exhaust method for in-use pipeline |
| CN107574876A (en) * | 2017-09-13 | 2018-01-12 | 张礼国 | A kind of municipal administration fire hydrant |
| CN111255702A (en) * | 2020-02-27 | 2020-06-09 | 刘延林 | Double-water-flow-control water flow supercharging device |
| CN211010062U (en) * | 2019-12-13 | 2020-07-14 | 厦门磐石芯科技有限公司 | Anti-freezing faucet |
| CN211779343U (en) * | 2020-02-26 | 2020-10-27 | 曾奇风 | Water-proof hammer valve |
| CN111853249A (en) * | 2020-07-31 | 2020-10-30 | 安徽宝龙电器有限公司 | Mining explosion-proof solenoid valve |
| CN112161107A (en) * | 2020-09-19 | 2021-01-01 | 陈翠华 | Water hammer effect damping type push-pull water faucet |
| CN112324978A (en) * | 2020-11-27 | 2021-02-05 | 远大阀门集团有限公司 | Composite exhaust valve with buffering waterproof hammer structure |
| CN212509767U (en) * | 2020-06-08 | 2021-02-09 | 路达(厦门)工业有限公司 | Electromagnetic valve for preventing water hammer |
| CN212564695U (en) * | 2020-06-28 | 2021-02-19 | 玉环新同心圆阀门有限公司 | Waterproof hammer buffering angle valve |
-
2021
- 2021-08-25 CN CN202110978963.9A patent/CN113653821B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09296877A (en) * | 1996-05-02 | 1997-11-18 | Ishikawajima Harima Heavy Ind Co Ltd | Valve |
| GB0002894D0 (en) * | 1999-02-13 | 2000-03-29 | Ford John | Valve apparatus |
| JP2006200524A (en) * | 2004-12-22 | 2006-08-03 | Matsushita Electric Works Ltd | Diaphragm pump liquid discharge control apparatus |
| EP2230430A1 (en) * | 2009-03-16 | 2010-09-22 | Siemens Aktiengesellschaft | Combined regulating quick-acting valve for a steam turbine |
| JP2012233512A (en) * | 2011-04-28 | 2012-11-29 | Ckd Corp | Supply and discharge adjusting apparatus and supply and discharge adjusting system |
| CN202768906U (en) * | 2012-09-19 | 2013-03-06 | 浙江工贸职业技术学院 | Water hammer eliminating combined valve |
| CN202790588U (en) * | 2012-09-19 | 2013-03-13 | 浙江工贸职业技术学院 | Buffering type waterproof hammer valve |
| CN203431218U (en) * | 2013-08-29 | 2014-02-12 | 浙江工贸职业技术学院 | High-pressure resistant waterproof hammer valve |
| CN204153310U (en) * | 2014-09-19 | 2015-02-11 | 宁波埃美柯铜阀门有限公司 | Water hammer-resistant valve |
| WO2016195317A1 (en) * | 2015-06-02 | 2016-12-08 | 김진민 | Sealed electronic valve |
| WO2016192603A1 (en) * | 2015-06-05 | 2016-12-08 | 株洲南方阀门股份有限公司 | Water hammer-proof air valve and water hammer-proof exhaust method for in-use pipeline |
| CN107574876A (en) * | 2017-09-13 | 2018-01-12 | 张礼国 | A kind of municipal administration fire hydrant |
| CN211010062U (en) * | 2019-12-13 | 2020-07-14 | 厦门磐石芯科技有限公司 | Anti-freezing faucet |
| CN211779343U (en) * | 2020-02-26 | 2020-10-27 | 曾奇风 | Water-proof hammer valve |
| CN111255702A (en) * | 2020-02-27 | 2020-06-09 | 刘延林 | Double-water-flow-control water flow supercharging device |
| CN212509767U (en) * | 2020-06-08 | 2021-02-09 | 路达(厦门)工业有限公司 | Electromagnetic valve for preventing water hammer |
| CN212564695U (en) * | 2020-06-28 | 2021-02-19 | 玉环新同心圆阀门有限公司 | Waterproof hammer buffering angle valve |
| CN111853249A (en) * | 2020-07-31 | 2020-10-30 | 安徽宝龙电器有限公司 | Mining explosion-proof solenoid valve |
| CN112161107A (en) * | 2020-09-19 | 2021-01-01 | 陈翠华 | Water hammer effect damping type push-pull water faucet |
| CN112324978A (en) * | 2020-11-27 | 2021-02-05 | 远大阀门集团有限公司 | Composite exhaust valve with buffering waterproof hammer structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113653821B (en) | 2023-08-29 |
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