CN117108750B - Injection molded plastic stop valve body - Google Patents

Injection molded plastic stop valve body Download PDF

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Publication number
CN117108750B
CN117108750B CN202311339330.9A CN202311339330A CN117108750B CN 117108750 B CN117108750 B CN 117108750B CN 202311339330 A CN202311339330 A CN 202311339330A CN 117108750 B CN117108750 B CN 117108750B
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CN
China
Prior art keywords
rotating
valve body
rod
plate
sliding
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.)
Active
Application number
CN202311339330.9A
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Chinese (zh)
Other versions
CN117108750A (en
Inventor
陈金取
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.)
Fujian Nan'an Hengjun Foundry Co ltd
Original Assignee
Fujian Nan'an Hengjun Foundry 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.)
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Publication date
Application filed by Fujian Nan'an Hengjun Foundry Co ltd filed Critical Fujian Nan'an Hengjun Foundry Co ltd
Priority to CN202311339330.9A priority Critical patent/CN117108750B/en
Publication of CN117108750A publication Critical patent/CN117108750A/en
Application granted granted Critical
Publication of CN117108750B publication Critical patent/CN117108750B/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
    • F16K1/00Lift 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
    • F16K1/02Lift 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 with screw-spindle
    • 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
    • F16K1/00Lift 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
    • F16K1/32Details
    • 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
    • F16K1/00Lift 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
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/36Valve members
    • 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
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/02Construction of housing; Use of materials therefor of lift 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
    • F16K47/00Means in valves for absorbing fluid energy
    • F16K47/02Means in valves for absorbing fluid energy for preventing water-hammer or noise
    • F16K47/023Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Taps Or Cocks (AREA)

Abstract

The invention provides an injection molding plastic stop valve body with a waterproof hammer function and capable of prolonging the service life of a valve, which comprises a valve body, a water inlet channel, a water outlet channel, a valve seat and a rotating plate, wherein the water inlet channel and the water outlet channel are formed in the valve body, the valve seat and the rotating plate are arranged between the water inlet channel and the water outlet channel, the rotating seat for the screw rod of the stop valve to rotate is arranged in the valve body, a fixed block is arranged in the valve body in a sliding manner, one end of the fixed block is in threaded transmission with the screw rod of the stop valve, the other end of the fixed block is connected with a valve plate and is used for sealing the valve seat, a rotating groove is formed in the upper end of the water inlet channel of the valve body, a rotating rod is arranged in the rotating groove in a rotating mode, the rotating plate is arranged on the rotating rod, and a rotating device for driving the rotating plate to rotate to stop the water inlet channel after the valve is closed is arranged on the valve body.

Description

Injection molded plastic stop valve body
Technical Field
The invention relates to the technical field of valves, in particular to an injection molded plastic stop valve body.
Background
With the development of society, there is a need for a pipe connection in both production and life, in which it is required to apply to a pipe connection, wherein a plastic shut-off valve is one of pipe connections that are often used. However, when the stop valve is closed, a water hammer is generated, and when the water hammer is hit on the valve plate and internal parts of the stop valve, the valve plate and the parts are easily damaged, so that the service life of the valve is influenced.
To solve this problem, the present invention has been made.
Disclosure of Invention
Therefore, the invention provides an injection molded plastic stop valve body with a waterproof hammer function and capable of prolonging the service life of the valve.
In order to solve the technical problems, the injection molding plastic stop valve body comprises a valve body, a water inlet channel, a water outlet channel, a valve seat and a rotating plate, wherein the water inlet channel and the water outlet channel are formed in the valve body, the valve seat and the rotating plate are arranged between the water inlet channel and the water outlet channel, a rotating seat for rotating a screw of the stop valve is arranged in the valve body, a fixed block is arranged in the valve body in a sliding mode, one end of the fixed block is in threaded transmission with the screw of the stop valve, the other end of the fixed block is connected with a valve plate and is used for sealing the valve seat, a rotating groove is formed in the upper end of the water inlet channel of the valve body, a rotating rod is rotationally arranged in the rotating groove, the rotating plate is arranged on the rotating rod, a rotating device for driving the rotating plate to rotate to stop the water inlet channel after the valve is closed is arranged on the valve body, the rotating device comprises a rotating gear and a sliding rod, the sliding rod is arranged in the rotating groove in a sliding mode, the rotating gear is sleeved on the rotating rod, a rotating gear row is arranged on the sliding rod, the rotating gear is meshed with the rotating gear row, and a sliding device for driving the rotating gear row to slide when the rotating rod is arranged on the valve body.
The further improvement is that: the sliding device comprises a sliding gear, a sliding gear row is arranged on the side face of the sliding rod, the sliding gear and the sliding gear row are in meshed transmission, a first connecting rod is rotatably arranged on the valve body, the first connecting rod is connected with the sliding gear and used for driving the sliding gear to rotate, and a linkage device is arranged between the first connecting rod and the screw rod.
The further improvement is that: the linkage device comprises a linkage rod, the linkage rod is arranged on the valve body in a sliding penetrating mode, a first tooth row is arranged at one end of the linkage rod and located in the valve body, a second tooth row is arranged at the other end of the linkage rod and located outside the valve body, the linkage rod penetrates out of the valve body and is provided with a first linkage gear at the end portion, the first linkage gear is in meshed transmission with the second tooth row, a second linkage gear is arranged on a screw rod of the stop valve, and the second linkage gear is in meshed transmission with the first tooth row.
The further improvement is that: the water hammer protection valve is characterized by further comprising an inflation tube, wherein the inflation tube is arranged at the lower end part of the water inlet channel, an inflation ball used for blocking a water hammer and reducing the impact of the water hammer on the rotation plate so as to protect the rotation plate is arranged on the inflation tube, and an inflation device capable of inflating the inflation ball when the rotation plate rotates downwards is arranged in the valve body.
The further improvement is that: the air charging device comprises a fixed cylinder, the fixed cylinder is fixedly arranged at the lower end part of the water inlet channel, one end of the fixed cylinder is connected with the air charging pipe, the other end of the fixed cylinder is slidably provided with a pushing plate which pushes air in the fixed cylinder into the air charging ball, and the fixed cylinder is provided with a pushing device which is used for pushing the pushing plate to slide when the rotating plate returns.
The further improvement is that: the pushing device comprises a top pressing plate, a pushing rod is arranged on the fixed cylinder in a sliding penetrating mode, one end of the pushing rod is connected with the pushing plate, the other end of the pushing rod penetrates out of the fixed cylinder, the top pressing plate is arranged on the other end of the pushing rod, the rotating plate rotates downwards and then resists against the top pressing plate, and a return device used for enabling the pushing plate to return to enable gas in the inflatable ball to return to the fixed cylinder is further arranged on the fixed cylinder.
The further improvement is that: the return device is as follows: the spring is sleeved on the pushing rod, one end of the spring resists against the fixed cylinder, and the other end of the spring resists against the pressing plate.
The further improvement is that: and a sealing box for sealing the linkage rod is arranged on the valve body.
By adopting the technical scheme, the invention has the beneficial effects that:
the valve has the functions of preventing water hammer and prolonging the service life of the valve. The water hammer enters the water inlet channel, firstly, the water hammer is impacted on the inflatable ball, the inflatable ball eliminates the water hammer, then the inflatable ball is impacted on the rotating plate, and secondary hammer elimination is performed, so that the water hammer is eliminated, the water hammer is prevented from being directly impacted on the valve plate and the internal parts of the valve body, the valve plate and the parts are damaged, and the service life of the valve is prolonged. In addition, the water hammer hits and is through the hammer that disappears on the pivoted plate, so can reduce pivoted plate atress, improve pivoted plate's life.
Drawings
FIG. 1 is a schematic view showing a cut-away structure of a plastic shut-off valve body injection molded according to an embodiment of the present invention.
Fig. 2 is a schematic view of a sliding rod according to an embodiment of the present invention.
Fig. 3 is an enlarged schematic view of the embodiment a of the present invention.
Detailed Description
The invention will now be further described with reference to the drawings and specific examples.
Referring to fig. 1-3, the embodiment of the invention discloses an injection molded plastic stop valve body, which comprises a valve body 1, a water inlet channel 2 and a water outlet channel 3 which are arranged on the valve body 1, a valve seat 4 which is arranged between the water inlet channel 2 and the water outlet channel 3, a rotating plate 7, a rotating gear 21 and a sliding rod 19, wherein a rotating seat 6 for rotating a screw 61 of the stop valve is arranged in the valve body 1, a fixed block 5 is arranged in the valve body 1 in a sliding manner, a limit rod 51 is arranged on the fixed block 5, the other end of the limit rod 51 is arranged on the inner wall of the valve body 1 in a sliding manner and is used for limiting the rotation of the fixed block 5, one end of the fixed block 5 is in threaded transmission with a screw 61 of the stop valve, the other end of the fixed block 5 is connected with a valve plate 41 and is used for sealing the valve seat 4, the upper end of the valve body 1 is provided with a rotating groove at the upper end of the water inlet channel 2, the rotating groove is rotationally arranged on the rotating plate 8, the rotating plate 7 is arranged on the rotating rod 8, the sliding gear 19 is arranged in the rotating groove in a sliding manner, the rotating gear 21 is sleeved on the rotating rod 8, a rotating gear 20 is arranged on the sliding gear 19, a rotating gear 20 is arranged on the sliding gear 20 and is arranged on the rotating gear 19, the rotating gear 20 is meshed with the rotating gear 22, the sliding gear 22 is arranged on the sliding gear 22, and the sliding gear 22 is meshed with the sliding gear 22, and the sliding gear 22 is arranged on the sliding gear 22.
Specifically, the linkage device comprises a linkage rod 18, the linkage rod 18 is slidably arranged on the valve body 1 in a penetrating manner, a first tooth row is arranged at one end of the linkage rod 18 and is positioned in the valve body 1, a second tooth row is arranged at the other end of the linkage rod 18 and is positioned outside the valve body 1, the linkage rod 18 penetrates out of the valve body 1, a first linkage gear is arranged at the end part of the linkage rod, the first linkage gear is in meshed transmission with the second tooth row, a second linkage gear is arranged on the screw 5 of the stop valve, and the second linkage gear is in meshed transmission with the first tooth row.
In order to protect the rotating plate 7, reduce the rotating plate 7 and receive the hammer strike, improve the life of rotating plate 7, further dispel the energy to the hammer simultaneously still includes the gas tube 14, the lower tip of water inlet channel 2 is located to gas tube 14, thereby be equipped with on the gas tube 14 and be used for blockking the hammer and reduce the hammer and strike the balloon 15 of rotating plate 7 protection rotating plate 7, be equipped with in the valve body 1 and can be for the fixed section of thick bamboo 13 of balloon 15 inflation when rotating plate 7 rotates downwards, fixed section of thick bamboo 13 is fixed to locate the lower tip of water inlet channel 2, fixed section of thick bamboo 13 one end is connected with gas tube 14, the fixed section of thick bamboo 13 other end slip is equipped with the promotion board 12 that pushes the air in the fixed section of thick bamboo 13 into balloon 15, be equipped with on the fixed section of thick bamboo 13 and be used for promoting the gliding thrust unit of promotion board 12 when rotating plate 7 return.
Preferably, the pushing device comprises a pushing plate 9, a pushing rod 11 is slidably arranged on the fixed cylinder 13 in a penetrating manner, one end of the pushing rod 11 is connected with a pushing plate 12, the other end of the pushing rod 11 penetrates out of the fixed cylinder 13, the pushing plate 9 is arranged on the other end of the pushing rod 11, the rotating plate 7 rotates downwards and then resists against the pushing plate 9, a spring 10 for enabling the pushing plate 12 to return to enable gas in the inflatable ball 15 to return to the fixed cylinder 13 is further arranged on the fixed cylinder 13, the spring 10 is sleeved on the pushing rod 11, one end of the spring 10 resists against the fixed cylinder 13, and the other end of the spring 10 resists against the pushing plate 9.
In order to protect the link 18, the valve body 1 is provided with a seal box 16 for sealing the link 18.
Working principle:
when the valve is in use, when the valve is to be closed, the screw 61 is rotated, the screw 61 and the fixed block 5 are in threaded transmission, the fixed block 5 is driven to slide downwards, the fixed block 5 slides downwards to drive the valve plate 41 to slide downwards, and the valve plate is sealed on the valve seat 4. Meanwhile, when the screw 61 rotates, the second linkage gear is driven to rotate, the second linkage gear is meshed with the first gear row to drive the linkage rod 18 to slide, the linkage rod 18 slides to drive the first linkage gear to rotate, the first linkage gear rotates to drive the first linkage rod 17 to rotate, the first linkage rod 17 drives the sliding gear 22 to rotate, the sliding gear 22 is meshed with the sliding gear row 23 to drive the sliding rod 19 to slide, the sliding rod 19 slides to drive the rotating gear 21 to rotate, the rotating gear 21 rotates to drive the rotating rod 8 to rotate, and the rotating rod 8 drives the rotating plate 7 to rotate, so that the rotating plate 7 is overturned to the water inlet channel 2. When the rotating plate 7 is turned over to the water inlet channel 2, the rotating plate 7 is beaten on the pressing plate 9, the pressing plate 9 pushes the pushing rod 11 to slide and compresses the spring 10, the pushing rod 11 pushes the pushing plate 12 to slide, and accordingly gas in the fixed cylinder 13 is pushed into the inflatable ball 15, and the inflatable ball 15 is inflated, so that the inflatable ball 15 is enlarged. At this time, the water hammer enters from the water inlet channel 2, and firstly strikes on the inflatable ball 15, the inflatable ball 15 eliminates the water hammer, and then strikes on the rotating plate 7 for secondary hammer elimination, so that the water hammer is eliminated, the water hammer is prevented from directly striking on the valve plate 41 and internal parts, the valve plate 41 and the parts are damaged, and the service life of the valve is prolonged. In addition, the water hammer hits the rotating plate 7 through hammer elimination, so that the stress of the rotating plate 7 can be reduced, and the service life of the rotating plate 7 is prolonged. When the valve is to be opened, the screw 61 is reversed, the screw 61 drives the second linkage gear to rotate reversely, so that the linkage rod 18 returns, the first linkage gear is driven to rotate reversely, the first linkage rod 17 is driven to rotate reversely, the sliding gear 22 is driven to rotate reversely, the sliding rod 19 is driven to rotate reversely, the rotating gear 21 is driven to rotate reversely, the rotating rod 8 drives the rotating plate 7 to rotate in the rotating groove, the rotating plate 7 returns, the contact with the pressing plate 9 is released, the spring 10 returns, the pushing plate 12 is driven to return, the pushing plate 12 returns, the gas in the gas filled ball 15 enters the fixed cylinder 13, and the gas filled ball 15 returns, so that the expansion of the gas filled ball 15 and the blocking of the rotating plate 7 in the water inlet channel 2 are avoided, and the water flow is influenced.
While the basic principles and main features of the present invention and advantages thereof have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described merely by way of illustration of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.

Claims (4)

1. Injection molding's plastics stop valve body, including the valve body, set up inlet channel and the play water channel on the valve body, locate the disk seat between inlet channel and the play water channel, its characterized in that: the valve body is internally provided with a rotating seat for the screw rod of the stop valve to rotate, a fixed block is arranged in the valve body in a sliding way, one end of the fixed block is in threaded transmission with the screw rod of the stop valve, the other end of the fixed block is connected with the valve plate and is used for sealing the valve seat, the valve body is positioned at the upper end part of the water inlet channel and is provided with a rotating groove, the rotating groove is rotationally provided with a rotating rod, the rotating plate is arranged on the rotating rod, the valve body is provided with a rotating device for driving the rotating plate to rotate to block the water inlet channel after the valve is closed, the rotating device comprises a rotating gear and a sliding rod, the sliding rod is arranged in the rotating groove in a sliding way, the rotating gear is sleeved on the rotating rod, the sliding rod is provided with a rotating tooth row, the rotating gear is meshed with the rotating tooth row, the valve body is provided with a sliding device for driving the rotating tooth row to slide when the screw rod is rotated, the air charging pipe is arranged at the lower end part of the water inlet channel, the air charging pipe is provided with an air charging ball which is used for blocking a water hammer and reducing the impact of the water hammer on the rotating plate so as to protect the rotating plate, an air charging device which can charge the air charging ball when the rotating plate rotates downwards is arranged in the valve body, the air charging device comprises a fixed cylinder which is fixedly arranged at the lower end part of the water inlet channel, one end of the fixed cylinder is connected with the air charging pipe, the other end of the fixed cylinder is slidably provided with a pushing plate which pushes air in the fixed cylinder into the air charging ball, the fixed cylinder is provided with a pushing device which is used for pushing the pushing plate to slide when the rotating plate returns, the pushing device comprises a pushing plate, a pushing rod is slidably arranged on the fixed cylinder, one end of the pushing rod is connected with the pushing plate, the other end of the pushing rod penetrates out of the fixed cylinder, and the pushing plate is arranged at the other end of the pushing rod, the rotary plate rotates downwards to resist against the pressing plate, the fixed cylinder is also provided with a spring for returning the pushing plate to enable gas in the inflatable ball to return to the fixed cylinder, the spring is sleeved on the pushing rod, one end of the spring resists against the fixed cylinder, and the other end of the spring resists against the pressing plate.
2. The injection molded plastic shut-off valve body of claim 1, wherein: the sliding device comprises a sliding gear, a sliding gear row is arranged on the side face of the sliding rod, the sliding gear and the sliding gear row are in meshed transmission, a first connecting rod is rotatably arranged on the valve body, the first connecting rod is connected with the sliding gear and used for driving the sliding gear to rotate, and a linkage device is arranged between the first connecting rod and the screw rod.
3. The injection molded plastic shut-off valve body of claim 2, wherein: the linkage device comprises a linkage rod, the linkage rod is arranged on the valve body in a sliding penetrating mode, a first tooth row is arranged at one end of the linkage rod and located in the valve body, a second tooth row is arranged at the other end of the linkage rod and located outside the valve body, the linkage rod penetrates out of the valve body and is provided with a first linkage gear at the end portion, the first linkage gear is in meshed transmission with the second tooth row, a second linkage gear is arranged on a screw rod of the stop valve, and the second linkage gear is in meshed transmission with the first tooth row.
4. An injection molded plastic shut-off valve body according to claim 3, wherein: and a sealing box for sealing the linkage rod is arranged on the valve body.
CN202311339330.9A 2023-10-17 2023-10-17 Injection molded plastic stop valve body Active CN117108750B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311339330.9A CN117108750B (en) 2023-10-17 2023-10-17 Injection molded plastic stop valve body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311339330.9A CN117108750B (en) 2023-10-17 2023-10-17 Injection molded plastic stop valve body

Publications (2)

Publication Number Publication Date
CN117108750A CN117108750A (en) 2023-11-24
CN117108750B true CN117108750B (en) 2023-12-15

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CN202311339330.9A Active CN117108750B (en) 2023-10-17 2023-10-17 Injection molded plastic stop valve body

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000066241A (en) * 1999-04-14 2000-11-15 윤은중 water hammer arrester and manufacturing method and apparatus thereof
CN206503938U (en) * 2016-11-14 2017-09-19 山东朝启电子科技有限公司 A kind of New type detachable hydrant
CN112944018A (en) * 2021-03-25 2021-06-11 三联泵业股份有限公司 Exhaust valve for preventing bridging water hammer
CN216430688U (en) * 2021-08-26 2022-05-03 福建博钛阀门制造有限公司 Pressure measuring rising stem soft sealing gate valve with flange plate
CN114458785A (en) * 2022-03-14 2022-05-10 杭州欣卓科技有限公司 Gate valve
CN218117999U (en) * 2022-08-30 2022-12-23 淮北矿业股份有限公司 Water hammer eliminating device for diaphragm pump of water plant
KR20230091614A (en) * 2021-12-16 2023-06-23 주식회사 포스코 Apparatus for blocking fluid leakage

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000066241A (en) * 1999-04-14 2000-11-15 윤은중 water hammer arrester and manufacturing method and apparatus thereof
CN206503938U (en) * 2016-11-14 2017-09-19 山东朝启电子科技有限公司 A kind of New type detachable hydrant
CN112944018A (en) * 2021-03-25 2021-06-11 三联泵业股份有限公司 Exhaust valve for preventing bridging water hammer
CN216430688U (en) * 2021-08-26 2022-05-03 福建博钛阀门制造有限公司 Pressure measuring rising stem soft sealing gate valve with flange plate
KR20230091614A (en) * 2021-12-16 2023-06-23 주식회사 포스코 Apparatus for blocking fluid leakage
CN114458785A (en) * 2022-03-14 2022-05-10 杭州欣卓科技有限公司 Gate valve
CN218117999U (en) * 2022-08-30 2022-12-23 淮北矿业股份有限公司 Water hammer eliminating device for diaphragm pump of water plant

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