CN113833886B - Convenient switch valve - Google Patents

Convenient switch valve Download PDF

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Publication number
CN113833886B
CN113833886B CN202111125219.0A CN202111125219A CN113833886B CN 113833886 B CN113833886 B CN 113833886B CN 202111125219 A CN202111125219 A CN 202111125219A CN 113833886 B CN113833886 B CN 113833886B
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CN
China
Prior art keywords
valve body
water
rod
water outlet
reversing
Prior art date
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Active
Application number
CN202111125219.0A
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Chinese (zh)
Other versions
CN113833886A (en
Inventor
李完枝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Flange Valve Technology Co ltd
Original Assignee
Flange Valve Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Flange Valve Technology Co ltd filed Critical Flange Valve Technology Co ltd
Priority to CN202111125219.0A priority Critical patent/CN113833886B/en
Publication of CN113833886A publication Critical patent/CN113833886A/en
Application granted granted Critical
Publication of CN113833886B publication Critical patent/CN113833886B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K21/00Fluid-delivery valves, e.g. self-closing valves
    • F16K21/04Self-closing valves, i.e. closing automatically after operation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/12Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/14Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/44Mechanical actuating means
    • F16K31/50Mechanical actuating means with screw-spindle or internally threaded actuating means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/44Mechanical actuating means
    • F16K31/60Handles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K51/00Other details not peculiar to particular types of valves or cut-off apparatus

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Multiple-Way Valves (AREA)

Abstract

The invention belongs to the field of convenient switch valves, and particularly relates to a convenient switch valve which comprises a valve body, wherein water pipes are distributed on two sides of the valve body, a manual-automatic valve opening component is rotatably arranged at the top of the valve body, water pressure pushing components are respectively arranged on two sides of the axis of the water pipe in the valve body, and an obstacle removing component is arranged in the valve body and at the water flow entering position of the water pipe. The valve can be conveniently and rapidly opened and closed in a labor-saving manner, and the phenomenon that a person manually opens and closes the valve is laborious is avoided.

Description

Convenient switch valve
Technical Field
The invention belongs to the field of convenient switch valves, and particularly relates to a convenient switch valve.
Background
In life and production, water storage equipment is needed, and the water storage equipment comprises a heat preservation water tank of a solar water heater, a water tank of a central heating system, a water tower of an industrial and mining enterprise, a fire-fighting water tank, a boiler water supplementing tank, an oil tank and the like.
Currently, the following water valves are mainly used for automatic water cut-off: an automatic water-cut-off protection valve, an automatic water supply valve, a water cut-off valve and the like. The automatic water-break protection valve is mainly applied to a water network pipeline, and closes the buoyancy valve plate to stop water flow under the combined action of water pressure of the left cavity and the right cavity of the control valve and buoyancy of the buoyancy valve plate, the control valve and the buoyancy valve plate are arranged in the valve cavity, the volume of the automatic water-break protection valve is large, and when water is needed, the control valve needs to be opened manually.
In the operational environment that has many valve pipelines, when a plurality of valves need to be closed urgently, the workman need close one by one, can not in time block a plurality of pipelines, and can open the valve difficulty because the adhesion condition appears in flashboard sealed department in the switching valve in-process, therefore an urgent need is a convenient switching valve.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a convenient switch valve which can automatically complete the valve closing and opening actions and can clear the barrier at the sealed water blocking position when the valve is opened.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a convenient switch valve, includes the valve body, the valve body both sides distribution is provided with the water pipe, the valve body top rotates and is provided with manual-automatic valve opening part, the valve body is inside to be located the water pipe axis both sides are equipped with the water pressure respectively and promote the part, the valve body is inside to be located the water pipe rivers entering position is equipped with the clearance barrier part.
Preferably, the hydraulic pushing parts on two sides are symmetrically and reversely distributed on two sides of the water pipe around the center of the manual-automatic valve opening part, namely, the water inlet end of the hydraulic pushing part on one side is positioned on the opposite side of the water pipe and is the water outlet end of the hydraulic pushing part on the other side.
Preferably, the manual-automatic valve opening component comprises a screw, a groove is formed in the surface of the screw, a rotating handle is fixedly arranged at the top of the screw, a nut is fixedly arranged at the top of the valve body, the nut is in threaded rotation connection with the screw, a sealing block is arranged at the bottom of the screw, an impeller is sleeved on the screw close to the sealing block, and the impeller is circumferentially fixed with the screw.
Preferably, the hydraulic pushing component is provided with a water inlet channel and a water outlet channel, the valve body is provided with a water blocking plug in a sliding sleeve at the water inlet channel, the valve body is provided with a bayonet lock in a sliding sleeve at the water blocking plug, the bayonet lock is connected with the valve body through a bayonet lock spring, a pressing sheet is fixedly arranged at the top of the water blocking plug, a lifting rod is slidably arranged at the water outlet channel, the top of the lifting rod is fixedly connected with the pressing sheet, the valve body is provided with a pull rod in a sliding manner below the water inlet channel and the water outlet channel, the pull rod is close to the top of one end of the water inlet channel and is fixedly connected with the pressing sheet, and the valve body is provided with a pressure relief channel in a position of the pull rod, which is close to one end of the water outlet channel.
Preferably, a water outlet valve body is fixedly arranged on the water outlet channel close to one side of the valve body, a water outlet ball is slidably arranged in the water outlet valve body, the water outlet ball is connected with the water outlet valve body through a water outlet spring, the water outlet channel close to one side of the valve body is rotatably provided with a reversing valve body, a reversing ball is sleeved in the reversing valve body in a sliding manner, the reversing ball is connected with the reversing valve body through a reversing ball spring, a large bevel gear is fixedly arranged at the bottom of the reversing valve body, a small bevel gear is meshed and connected with the large bevel gear, the small bevel gear is fixedly arranged on a reversing rod, the reversing rod is rotatably connected with the valve body, and a reversing disc is fixedly arranged at one end of the reversing rod, which is far away from the small bevel gear.
Preferably, the top of the reversing valve body is fixedly provided with a clamping rod screw, a clamping rod nut is sleeved on the screw thread of the clamping rod screw, the clamping rod nut is fixedly arranged on the clamping rod, and the clamping rod is slidably arranged in the valve body.
Preferably, the obstacle clearance component comprises an obstacle clearance rod, the obstacle clearance rod is fixedly connected with a reciprocating machine head, the reciprocating machine head is in sliding connection with the valve body, a firing pin is arranged on the sliding sleeve of the obstacle clearance rod, the firing pin is in sliding sleeve with the reciprocating machine head, the firing pin is connected with the valve body through a firing pin spring, the valve body is located at one end of the firing pin away from the obstacle clearance rod and is provided with a ventilation sliding block in a sliding manner, and the ventilation sliding block is connected with the valve body through a ventilation sliding block spring.
Advantageous effects
Compared with the prior art, the invention provides a convenient switch valve through improvement, and has the following improvements and advantages:
1. by arranging two sets of opposite-side opposite-direction water channel control systems, the impeller drives the sealing block by utilizing the self pressure in the pipe so as to achieve the purposes of automatically closing and opening the valve.
2. Through setting up the clearance system, at the valve in-process of opening, clear up the adhesion condition that sealing block and valve body contact department produced, guarantee that the valve is smooth and easy to open.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken at B-B in FIG. 2;
FIG. 5 is a cross-sectional view taken at C-C of FIG. 2;
FIG. 6 is a cross-sectional view taken at D-D of FIG. 2;
FIG. 7 is a cross-sectional view taken at E-E of FIG. 2;
FIG. 8 is a left side view of the present invention;
FIG. 9 is a cross-sectional view taken at F-F in FIG. 8;
FIG. 10 is an enlarged view of a portion of FIG. 4 at G;
fig. 11 is a partial enlarged view of H in fig. 5.
In the figure: 11. a rotating handle; 12. a screw; 13. tabletting; 14. a lifting rod; 15. a water outlet channel; 16. a valve body; 17. a water pipe; 18. a pressure relief channel; 19. a pull rod; 20. a water inlet channel; 21. a bayonet lock spring; 22. a bayonet lock; 23. a water blocking plug; 24. an impeller; 25. a nut; 26. a sealing block; 27. a clamping rod; 28. a firing pin spring; 29. an obstacle clearing rod; 30. a firing pin; 31. a ventilation slider; 32. a vent slider spring; 33. a reciprocating handpiece; 34. bevel pinion; 35. a reversing lever; 36. a reversing disc; 37. reversing ball springs; 38. a reversing valve body; 39. a large bevel gear; 40. reversing balls; 41. a clamping rod screw rod; 42. a clamping rod nut; 43. a water outlet valve body; 44. a water outlet ball; 45. a water outlet spring;
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
With reference to fig. 1-the rotary handle 11, a convenient switch valve comprises a valve body 16, water pipes 17 are distributed on two sides of the valve body 16, manual and automatic valve opening components are rotatably arranged at the top of the valve body 16, water pressure pushing components are respectively arranged on two sides of the axis of the water pipe 17 inside the valve body 16, and barrier removing components are arranged at the water flow entering position of the water pipe 17 inside the valve body 16.
Further, the hydraulic pushing parts on two sides are symmetrically and reversely distributed on two sides of the water pipe 17 around the center of the manual-automatic valve opening part, namely, the water inlet end of the hydraulic pushing part on one side is positioned on the opposite side of the water pipe 17 and is the water outlet end of the hydraulic pushing part on the other side.
Further, the manual-automatic valve opening component comprises a screw rod 12, a groove is formed in the surface of the screw rod 12, a rotary handle 11 is fixedly arranged at the top of the screw rod 12, a nut 25 is fixedly arranged at the top of the valve body 16, the nut 25 is in threaded rotation connection with the screw rod 12, a sealing block 26 is arranged at the bottom of the screw rod 12, an impeller 24 is sleeved on the screw rod 12 in the direction close to the sealing block 26, and the impeller 24 is circumferentially fixed with the screw rod 12.
Further, a water blocking plug 23 is slidably sleeved at the position of the valve body 16, a bayonet lock 22 is slidably sleeved at the position of the water blocking plug 23, the bayonet lock 22 is connected with the valve body 16 through a bayonet lock spring 21, a pressing sheet 13 is fixedly arranged at the top of the water blocking plug 23, a lifting rod 14 is slidably arranged at the position of the valve body 16, which is located in the water outlet channel 15, the top of the lifting rod 14 is fixedly connected with the pressing sheet 13, a pull rod 19 is slidably arranged at the position, which is located below the water inlet channel 20 and the water outlet channel 15, of the valve body 16, one end, which is close to the water inlet channel 20, of the pull rod 19 is fixedly connected with the pressing sheet 13, and a pressure release channel 18 is formed at the position, which is located at the position, which is close to the water outlet channel 15, of the pull rod 19.
Further, a water outlet valve body 43 is fixedly arranged near the water outlet channel 15 at one side of the water flow leaving the valve body 16, a water outlet ball 44 is slidably arranged in the water outlet valve body 43, the water outlet ball 44 is connected with the water outlet valve body 43 through a water outlet spring 45, a reversing valve body 38 is rotatably arranged near the water outlet channel 15 at one side of the water flow entering the valve body 16, a reversing ball 40 is slidably sleeved in the reversing valve body 38, the reversing ball 40 is connected with the reversing valve body 38 through a reversing ball spring 37, a large bevel gear 39 is fixedly arranged at the bottom of the reversing valve body 38, a small bevel gear 34 is meshed and connected with the large bevel gear 39, the small bevel gear 34 is fixedly arranged on a reversing rod 35, the reversing rod 35 is rotatably connected with the valve body 16, and a reversing disc 36 is fixedly arranged at one end, far away from the small bevel gear 34, of the reversing rod 35.
Further, a clamping rod screw 41 is fixedly arranged at the top of the reversing valve body 38, a clamping rod nut 42 is sleeved on the clamping rod screw 41 in a threaded manner, the clamping rod nut 42 is fixedly arranged on the clamping rod 27, and the clamping rod 27 is slidably arranged inside the valve body 16.
Further, the obstacle removing component comprises an obstacle removing rod 29, the obstacle removing rod 29 is fixedly connected with a reciprocating machine head 33, the reciprocating machine head 33 is in sliding connection with the valve body 16, the obstacle removing rod 29 is provided with a firing pin 30 in sliding sleeve, the firing pin 30 is arranged on the reciprocating machine head 33 in sliding sleeve mode, the firing pin 30 is connected with the valve body 16 through a firing pin spring 28, a ventilation sliding block 31 is arranged on one end, far away from the obstacle removing rod 29, of the valve body 16 in sliding mode, and the ventilation sliding block 31 is connected with the valve body 16 through a ventilation sliding block spring 32.
Principle of operation
When the convenient switch valve starts to be started from a static state, the pressing sheet 13 close to the water inlet side is pulled up, the water blocking plug 23 is pulled up, the water in the water inlet channel 20 flows to the impeller 24 and pushes the impeller 24 to rotate, when the water pressure in the water outlet channel 15 is similar to that in the water pipe 17, the lifting rod 14 close to the water outlet side drives the pressing sheet 13 to move upwards, the water blocking plug 23 on the opposite side is pulled up, the water inlet of the water inlet channel 20 starts to push the impeller 24 to rotate, the impeller 24 enables the water pressure in the water outlet channel 15 close to the water outlet side to rise, the pull rod 19 on the side is pressed downwards, the pressing sheet 13 close to the water inlet side is pulled down by the pull rod 19 to block the water inlet channel 20 on the side, meanwhile, the pressure relief channel 18 on the side is communicated with the water outlet channel 15, and the pressure in the water outlet channel 15 is eliminated.
At this time, the water pressure in the opposite side water outlet channel 15 is close to the water pressure in the water pipe 17, the opposite side lifting rod 14 drives the pressing sheet 13 to move upwards, the water blocking plug 23 at the side is pulled up, the water flow in the opposite side water outlet channel 20 pushes the impeller 24 to rotate continuously, the pressure in the opposite side water outlet channel 15 is increased to press down the opposite side pull rod 19, the opposite side water blocking plug 23 blocks the opposite side water inlet channel 20, meanwhile, the water pressure in the opposite side water outlet channel 15 is relieved through the opposite side pressure relief channel 18, after the circulation is performed for several times, the screw 12 drives the sealing block 26 to move downwards for a certain distance, so that the water pressure of the water flow outlet end water pipe 17 is lower than that of the water flow inlet end water pipe 17, and a pressure difference is formed.
At this time, the water pressure in the side water inlet channel 20 will always be higher than the water pressure in the water outlet channel 15, the side water channel will not work any more, the water flow in the side water channel 20 will continuously push the impeller 24 until the sealing block 26 is pushed to the bottom of the valve body 16 to block the water flow of the water pipe 17, and the valve closing is completed.
When the valve needs to be opened, the reversing disc 36 is rotated to rotate the reversing valve body 38 to the opposite direction, the opposite side water blocking plug 23 is pulled up, water flows into the opposite side water outlet channel 15 from the water inlet end of the water pipe 17 and pushes the impeller 24 to reversely rotate, water flows into the water outlet end of the water pipe 17 through the opposite side water inlet channel 20, and the impeller 24 drives the sealing block 26 to move upwards. Simultaneously, the reversing valve body 38 rotates to drive the clamping rod screw 41 to rotate, the clamping rod 27 is further lifted, the clamping rod 27 is separated from the firing pin 30, the firing pin 30 impacts the ventilation slide block 31 under the action of the firing pin spring 28, the ventilation slide block 31 conducts the water pipe 17 to enable water flow to be ejected from the opening of the reciprocating head 33 and the outside, the reciprocating head 33 is subjected to reaction force to drive the barrier removal rod 29 and the firing pin 30 to reversely move towards the sealing block 26, the ventilation slide block 31 is reset to cut off the water flow, the reciprocating head 33 is reset, the firing pin 30 impacts the ventilation slide block 31, the reciprocating head 33 moves again, the reciprocating head 33 drives the barrier removal rod 29 to circularly reciprocate, and the barrier removal rod 29 cleans the bonding condition of the joint surface of the sealing block 26 and the valve body 16, so that the sealing block 26 can smoothly lift, and automatic valve opening is completed.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the invention.

Claims (3)

1. The utility model provides a convenient switch valve, includes valve body (16), its characterized in that, valve body (16) both sides distribution is provided with water pipe (17), valve body (16) top rotates and is provided with manual and automatic valve opening part, valve body (16) inside is located water pipe (17) axis both sides are equipped with water pressure pushing part respectively, valve body (16) inside is located water pipe (17) rivers entering department is equipped with the clearance part;
the hydraulic pushing component is provided with a water inlet channel (20) and a water outlet channel (15), the valve body (16) is arranged at the water inlet channel (20) and is sleeved with a water blocking plug (23) in a sliding mode, the valve body (16) is arranged at the water blocking plug (23) and is sleeved with a clamping pin (22) in a sliding mode, the clamping pin (22) is connected with the valve body (16) through a clamping pin spring (21), a pressing piece (13) is fixedly arranged at the top of the water blocking plug (23), a lifting rod (14) is arranged at the water outlet channel (15) in a sliding mode, the top of the lifting rod (14) is fixedly connected with the pressing piece (13), the valve body (16) is arranged at the water inlet channel (20) and the lower side of the water outlet channel (15) in a sliding mode, the pressing piece (19) is close to the top of one end of the water inlet channel (20) and is fixedly connected with the pressing piece (13), and the valve body (16) is arranged at the position of the pressing piece (19) close to one end of the water outlet channel (15) and is provided with a pressure releasing channel (18);
A water outlet valve body (43) is fixedly arranged on the water outlet channel (15) close to one side of the valve body (16), a water outlet ball (44) is slidably arranged in the water outlet valve body (43), the water outlet ball (44) is connected with the water outlet valve body (43) through a water outlet spring (45), a reversing valve body (38) is rotatably arranged on the water outlet channel (15) close to one side of the valve body (16) and is in sliding sleeve with the reversing ball (40) in the reversing valve body (38), the reversing ball (40) is connected with the reversing valve body (38) through a reversing ball spring (37), a large bevel gear (39) is fixedly arranged at the bottom of the reversing valve body (38), a small bevel gear (34) is connected with the large bevel gear (39) in a meshed mode, the small bevel gear (34) is fixedly arranged on a reversing rod (35), the reversing rod (35) is rotatably connected with the valve body (16), and a reversing disc (36) is fixedly arranged at one end, far away from the small bevel gear (34), of the reversing rod (35);
The top of the reversing valve body (38) is fixedly provided with a clamping rod screw rod (41), the clamping rod screw rod (41) is sleeved with a clamping rod nut (42), the clamping rod nut (42) is fixedly arranged on the clamping rod (27), and the clamping rod (27) is slidably arranged in the valve body (16);
The obstacle clearance component comprises an obstacle clearance rod (29), the obstacle clearance rod (29) is fixedly connected with a reciprocating machine head (33), the reciprocating machine head (33) is in sliding connection with the valve body (16), the obstacle clearance rod (29) is slidably sleeved with a firing pin (30), the firing pin (30) is slidably sleeved on the reciprocating machine head (33), the firing pin (30) is connected with the valve body (16) through a firing pin spring (28), the valve body (16) is located at the position, far away from the end of the obstacle clearance rod (29), of the firing pin (30) is slidably provided with a ventilation slider (31), and the ventilation slider (31) is connected with the valve body (16) through a ventilation slider spring (32).
2. The portable switch valve according to claim 1, wherein the hydraulic pushing parts on two sides are symmetrically and reversely distributed on two sides of the water pipe (17) around the center of the manual-automatic valve opening part, namely, the water inlet end of the hydraulic pushing part on one side is positioned on the opposite side of the water pipe (17) and is the water outlet end of the hydraulic pushing part on the other side.
3. The portable switch valve according to claim 1, wherein the manual-automatic valve opening component comprises a screw (12), a groove is formed in the surface of the screw (12), a rotating handle (11) is fixedly arranged at the top of the screw (12), a nut (25) is fixedly arranged at the top of the valve body (16), the nut (25) is in threaded rotation connection with the screw (12), a sealing block (26) is arranged at the bottom of the screw (12), an impeller (24) is sleeved on the screw (12) close to the sealing block (26), and the impeller (24) is circumferentially fixed with the screw (12).
CN202111125219.0A 2021-09-26 2021-09-26 Convenient switch valve Active CN113833886B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111125219.0A CN113833886B (en) 2021-09-26 2021-09-26 Convenient switch valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111125219.0A CN113833886B (en) 2021-09-26 2021-09-26 Convenient switch valve

Publications (2)

Publication Number Publication Date
CN113833886A CN113833886A (en) 2021-12-24
CN113833886B true CN113833886B (en) 2024-05-24

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ID=78970002

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Application Number Title Priority Date Filing Date
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103090035A (en) * 2013-01-28 2013-05-08 苏州宇东暖通技术有限公司 Self-energizing valve
CN110185830A (en) * 2019-05-15 2019-08-30 信众 A kind of overflow-proof valve being automatically closed using differential
CN212429917U (en) * 2020-04-30 2021-01-29 孟广生 Mechanical valve based on rivers
CN113174874A (en) * 2021-05-10 2021-07-27 苏良旺 Utilize rapid trough for hydraulic engineering of rivers automatic change space
CN214197465U (en) * 2020-09-10 2021-09-14 永嘉县凯泉铸造有限公司 Valve with filtering mechanism

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4259995B2 (en) * 2003-12-11 2009-04-30 大洋化学株式会社 Small hydroelectric generator
US7210498B2 (en) * 2004-04-06 2007-05-01 John Henry Arigoni “Toilet king” automatic water limiting supply shut off safety valve flo-control

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103090035A (en) * 2013-01-28 2013-05-08 苏州宇东暖通技术有限公司 Self-energizing valve
CN110185830A (en) * 2019-05-15 2019-08-30 信众 A kind of overflow-proof valve being automatically closed using differential
CN212429917U (en) * 2020-04-30 2021-01-29 孟广生 Mechanical valve based on rivers
CN214197465U (en) * 2020-09-10 2021-09-14 永嘉县凯泉铸造有限公司 Valve with filtering mechanism
CN113174874A (en) * 2021-05-10 2021-07-27 苏良旺 Utilize rapid trough for hydraulic engineering of rivers automatic change space

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Applicant before: Li Wanzhi

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