CN115507081B - Hydraulic valve - Google Patents

Hydraulic valve Download PDF

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Publication number
CN115507081B
CN115507081B CN202211372968.8A CN202211372968A CN115507081B CN 115507081 B CN115507081 B CN 115507081B CN 202211372968 A CN202211372968 A CN 202211372968A CN 115507081 B CN115507081 B CN 115507081B
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CN
China
Prior art keywords
fixedly connected
valve
spring
pipe
valve body
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Active
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CN202211372968.8A
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Chinese (zh)
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CN115507081A (en
Inventor
倪宇佩
姜坤
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Yantai Zhongyu Aerohydraulic Co ltd
Original Assignee
Yantai Zhongyu Aerohydraulic Co ltd
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Priority to CN202211372968.8A priority Critical patent/CN115507081B/en
Publication of CN115507081A publication Critical patent/CN115507081A/en
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Publication of CN115507081B publication Critical patent/CN115507081B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • 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
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
    • 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
    • F16K35/00—Means to prevent accidental or unauthorised actuation
    • F16K35/02—Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action
    • F16K35/027—Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action the locking mechanism being actuated by pushing or pulling the valve actuator, the valve actuator being rotated subsequently to bring the valve closure element in the desired position
    • 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
    • F16K35/00—Means to prevent accidental or unauthorised actuation
    • F16K35/10—Means to prevent accidental or unauthorised actuation with locking caps or locking bars
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L17/00—Joints with packing adapted to sealing by fluid pressure
    • F16L17/10—Joints with packing adapted to sealing by fluid pressure the packing being sealed by the pressure of a fluid other than the fluid in or surrounding the pipe
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members

Abstract

The invention discloses a hydraulic valve which comprises a valve body and a valve rod, wherein an output pipe is fixedly connected to the valve body, a sealing ring is contacted with the output pipe, a connecting pipe is contacted with the sealing ring, an internal thread seat is installed inside the valve body through a bearing, a valve plate is contacted with the inside of the valve body, a rotary limiting mechanism is arranged on the valve body, a quick disassembling mechanism is arranged on the output pipe, an auxiliary sealing mechanism is arranged on the output pipe, a thread plate is connected to the inside of the internal thread seat through threads, a square pipe is fixedly connected to the thread plate, and a valve spring is arranged on the outer side of the valve rod. The hydraulic valve has the characteristics that the connecting pipe is convenient to disassemble, the sealing performance is good, and the hand wheel cannot rotate.

Description

Hydraulic valve
Technical Field
The invention belongs to the technical field of hydraulic valves, and particularly relates to a hydraulic valve.
Background
The hydraulic valve is a valve which is used in the aviation mostly, and the invention patent with the publication number of CN112081788B discloses a hydraulic valve which comprises a valve body, an upper connecting block, a lower connecting block, a screw rod and a valve plate; the bottom surface of the valve body is communicated with a liquid inlet pipe, the outer side surface of the valve body is communicated with a liquid discharge pipe, and a flow control assembly is arranged on the liquid discharge pipe; the flow control assembly comprises a ball body, rotating rods are fixed on the top surface and the bottom end of the ball body, and self-lubricating rotating assemblies are arranged at the joints of the rotating rods and the inner wall of the liquid discharge pipe; according to the hydraulic valve, the auxiliary assembly has an elastic effect, the stability of the hydraulic valve in a working state can be ensured, and the problem of leakage caused by unstable closing due to high liquid pressure is avoided; the setting of flow control subassembly can be used to the flow of regulation liquid exhaust, and it is more convenient to use, and built-in self-lubricating rotating assembly realizes the self-lubricating simultaneously when rotating the flow control subassembly, avoids inside core component impaired, has prolonged the life of inside core component, operates laborsavingly more. However, there are problems with current hydraulic valves: 1. when the output pipe of the hydraulic valve is connected with the connecting pipe, the output pipe needs to be connected through a plurality of bolts, so that the connecting part of the pipeline is inconvenient to disassemble when sundries in the pipeline are cleaned; 2. the sealing performance of the joint of the pipeline is poor, and the oil leakage at the joint is easily caused by the reduction of the environmental pressure at high altitude, so that the pressure inside the pipeline is influenced; 3. the aircraft is easy to vibrate because of air flow in the flight process, the machine body is easy to cause the hand wheel of the hydraulic valve to rotate in the vibration process, and the starting pressure in the hydraulic valve is easy to change after the hand wheel rotates, so that the flight stability is influenced. Therefore, improvements are needed.
Disclosure of Invention
The invention aims to solve the problems that the pipeline joint is inconvenient to disassemble, the pipeline joint has poor sealing performance and a hand wheel is easy to rotate due to vibration in the background technology, and provides a hydraulic valve.
The technical scheme provided by the invention is as follows: the utility model provides a hydraulic valve, includes valve body and valve rod, fixedly connected with output tube on the valve body, the contact has the sealing ring on the output tube, the contact has the connecting pipe on the sealing ring, the internal thread seat is installed through the bearing in the inside of valve body, the internal contact of valve body has the valve plate, is provided with rotatory stop gear on the valve body, is provided with quick disassembly body on the output tube, is provided with supplementary sealing mechanism on the output tube, there is the flight in the inside of internal thread seat through threaded connection, the square pipe of fixedly connected with on the flight, the outside of valve rod is provided with valve spring.
Preferably, the valve rod is fixedly connected with the valve plate, the square pipe is in sliding connection with the valve body and the valve rod, one end of the valve spring is fixedly connected with the valve plate, the other end of the valve spring is fixedly connected with the square pipe, the inside of the valve body is fixedly connected with the sealing ring, the sealing ring is in sliding connection with the square pipe, and the valve spring can drive the valve plate to automatically reset through elasticity.
As preferred, fixedly connected with gag lever post on the connecting pipe, gag lever post and the equal sliding connection of output tube and sealing ring, the gag lever post can avoid the connecting pipe to take place to rotate.
Preferably, the rotary limiting mechanism comprises a square column, a hand wheel, a stop lever, a stop wheel and a tension spring, the inner part of the internal thread seat is slidably connected with the square column, the hand wheel is fixedly connected onto the square column, the stop lever is fixedly connected onto the hand wheel, the stop wheel is fixedly connected onto the valve body, the stop lever is slidably connected with the stop wheel, the tension spring is arranged inside the square column, and the stop wheel can limit the stop lever through a groove in the outer side.
Preferably, one end of the tension spring is fixedly connected with the internal thread seat, the other end of the tension spring is fixedly connected with the square column, and the tension spring can drive the square column to automatically reset through elasticity.
As preferred, quick disassembly body is including articulated seat, articulated frame, the connecting rod, draw the piece, the stopper, spring one, the articulated seat of fixedly connected with on the output tube, it has articulated frame to articulate on the articulated seat, articulated frame and connecting pipe contact, the inside sliding connection of articulated frame has the connecting rod, the one end fixedly connected with of connecting rod draws the piece, draw the piece and articulate the frame contact, the other end fixedly connected with stopper of connecting rod, stopper and connecting pipe and the equal sliding connection of articulated frame, the outside of connecting rod is provided with spring one, the connecting rod can drive the stopper and remove.
Preferably, the other end of the first spring is fixedly connected with the hinge frame, the other end of the first spring is fixedly connected with the limiting block, and the first spring can drive the limiting block to automatically reset through elasticity.
Preferably, the auxiliary sealing mechanism comprises an air bag ring, a metal ring and a silica gel gasket, the air bag ring is fixedly connected to the sealing ring, the metal ring is fixedly connected to the air bag ring, the metal ring is in sliding connection with the output pipe and the connecting pipe, the silica gel gasket is fixedly connected to the air bag ring and in contact with the output pipe and the connecting pipe, and the silica gel gasket has good elasticity and corrosion resistance.
The hydraulic valve has the following beneficial effects: the connecting pipe has the characteristics of convenience in disassembly, good sealing performance and incapability of rotating the hand wheel.
Firstly, through adding the structures such as setting up catch wheel, pin and square post on the valve body, when the hand wheel is accomplished in the rotation, can drive the pin on the hand wheel through the elasticity of extension spring and slide into the inside of catch wheel and carry out spacing to the hand wheel to can avoid the vibration of because of the aircraft to lead to the fact the hand wheel to take place the rotation.
Secondly, establish articulated frame through adding on the output tube, stopper and draw a isotructure, can transversely spacing to the connecting pipe through articulated frame, and the elasticity through spring one promotes the stopper and carries on spacingly to articulated frame, when needs are dismantled, only need break away from articulated frame behind the connecting pipe and break away from the connecting pipe and can relieve the spacing to the connecting pipe, thereby can make the connecting pipe convenient to detach more, and can establish gasbag ring and silica gel packing ring isotructure through adding in the inside of output tube, can extrude the gasbag ring through the pressure of atmospheric pressure after atmospheric pressure increases, thereby can increase the laminating dynamics of gasbag ring and silica gel packing ring and output tube through the pressure that produces behind the deformation of gasbag ring, promote the leakproofness.
Drawings
For ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a perspective view of the overall construction of the present invention;
FIG. 2 is a front view of FIG. 1 of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2 of the present invention;
FIG. 4 is a top view of FIG. 2 of the present invention;
FIG. 5 is an enlarged view of the portion A of FIG. 3 according to the present invention;
fig. 6 is an enlarged view of the structure of the part B in fig. 3 according to the present invention.
In the figure: 1. a valve body; 2. an output pipe; 3. a seal ring; 4. a connecting pipe; 5. an internal thread seat; 6. a valve plate; 7. a rotation limiting mechanism; 8. a quick release mechanism; 9. an auxiliary sealing mechanism; 10. a valve stem; 11. a valve spring; 12. a thread plate; 13. a square tube; 14. a seal ring; 15. a limiting rod; 71. a square column; 72. a hand wheel; 73. a stop lever; 74. a catch wheel; 75. a tension spring; 81. a hinged seat; 82. a hinged frame; 83. a connecting rod; 84. pulling the block; 85. a limiting block; 86. a first spring; 91. a balloon ring; 92. a metal ring; 93. a silica gel gasket.
Detailed Description
As shown in fig. 1 to 6, the following technical solutions are adopted in the present embodiment:
example (b):
the utility model provides a hydraulic valve, including valve body 1 and valve rod 10, fixedly connected with output tube 2 on the valve body 1, the contact has sealing ring 3 on the output tube 2, the contact has connecting pipe 4 on the sealing ring 3, internal thread seat 5 is installed through the bearing in the inside of valve body 1, the internal contact of valve body 1 has valve plate 6, be provided with rotatory stop gear 7 on the valve body 1, be provided with quick disassembly body 8 on the output tube 2, be provided with supplementary sealing mechanism 9 on the output tube 2, there is threaded plate 12 inside of internal thread seat 5 through threaded connection, the square pipe 13 of fixedly connected with on the threaded plate 12, the outside of valve rod 10 is provided with valve spring 11.
Wherein, valve rod 10 and valve plate 6 fixed connection, square pipe 13 and the equal sliding connection of valve body 1 and valve rod 10, valve spring 11's one end and valve plate 6 fixed connection, valve spring 11's the other end and square pipe 13 fixed connection, valve body 1's inside fixedly connected with sealing washer 14, sealing washer 14 and square pipe 13 sliding connection, valve spring 11 can drive valve plate 6 automatic re-setting through elasticity.
Wherein, fixedly connected with gag lever post 15 on the connecting pipe 4, gag lever post 15 and output tube 2 and the equal sliding connection of sealing ring 3, gag lever post 15 can avoid connecting pipe 4 to take place to rotate.
Wherein, rotatory stop gear 7 includes square post 71, hand wheel 72, pin 73, catch wheel 74, extension spring 75, and the inside sliding connection of interior screw thread seat 5 has square post 71, fixedly connected with hand wheel 72 on the square post 71, fixedly connected with pin 73 on the hand wheel 72, fixedly connected with catch wheel 74 on the valve body 1, catch wheel 73 and catch wheel 74 sliding connection, the inside of square post 71 is provided with extension spring 75, catch wheel 74 can carry on spacingly through the recess in the outside to catch wheel 73.
Wherein, the one end and the internal thread seat 5 fixed connection of extension spring 75, the other end and the square post 71 fixed connection of extension spring 75, extension spring 75 can drive square post 71 automatic re-setting through elasticity.
Wherein, quick disassembly body 8 is including articulated seat 81, articulated frame 82, connecting rod 83, draw piece 84, stopper 85, spring 86, output tube 2 goes up the articulated seat 81 of fixedly connected with, articulated frame 82 that has on the articulated seat 81, articulated frame 82 contacts with connecting pipe 4, the inside sliding connection of articulated frame 82 has connecting rod 83, the one end fixedly connected with of connecting rod 83 draws piece 84, draw piece 84 and articulated frame 82 contact, the other end fixedly connected with stopper 85 of connecting rod 83, stopper 85 and connecting pipe 4 and the equal sliding connection of articulated frame 82, the outside of connecting rod 83 is provided with spring 86, connecting rod 83 can drive stopper 85 and remove.
The other end of the first spring 86 is fixedly connected with the hinge frame 82, the other end of the first spring 86 is fixedly connected with the limiting block 85, and the first spring 86 can drive the limiting block 85 to automatically reset through elasticity.
Wherein, supplementary sealing mechanism 9 includes gasbag ring 91, becket 92, silica gel packing ring 93, fixedly connected with gasbag ring 91 on the sealing ring 3, fixedly connected with becket 92 on the gasbag ring 91, becket 92 and the equal sliding connection of output tube 2 and connecting pipe 4, fixedly connected with silica gel packing ring 93 on the gasbag ring 91, silica gel packing ring 93 all contacts with output tube 2 and connecting pipe 4, silica gel packing ring 93 has good elasticity and corrosion resistance.
The using state of the invention is as follows: when the connecting pipe 4 needs to be disassembled, the pulling block 84 is pulled in the direction of separating from the hinge frame 82, the pulling block 84 drives the limiting block 85 to move through the connecting rod 83, the spring I86 is compressed, when the limiting block 85 separates from the connecting pipe 4, the hinge frame 82 can be turned upwards, when the hinge frame 82 separates from the connecting pipe 4, the limiting on the connecting pipe 4 can be released, and the connecting pipe 4 can be conveniently disassembled from the sealing ring 3;
when the starting pressure of the valve plate 6 needs to be adjusted, the hand wheel 72 is pulled upwards, the hand wheel 72 drives the square column 71 and the stop lever 73 to slide upwards, and the pull spring 75 is stretched, when the stop lever 73 is separated from the stop wheel 74, the hand wheel 72 can be rotated, the hand wheel 72 drives the internal thread seat 5 to rotate through the square column 71, the internal thread seat 5 can drive the square pipe 13 to move through the thread fit with the thread plate 12 in the rotating process, the length of the valve spring 11 can be adjusted in the moving process of the square pipe 13, after the adjustment is completed, the hand wheel 72 is loosened, the pull spring 75 is reset, the pull spring 75 can drive the stop lever 73 on the hand wheel 72 to slide into the groove on the stop wheel 74 through elasticity, so that the hand wheel 72 can be limited, and the rotation of the hand wheel 72 due to overlarge vibration is avoided;
when the inside liquid pressure at valve body 1 rises, output tube 2 all communicates with the inside of valve body 1 with connecting pipe 4, pressure is the same, when pressure rises, gasbag ring 91 takes place deformation under the high pressure, gasbag ring 91 extrudes silica gel gasket 93 after the deformation, make silica gel gasket 93 and connecting pipe 4 all increase with output tube 2's contact force, thereby can increase the leakproofness of pipeline junction, and pressure makes gasbag ring 91 and the laminating between connecting pipe 4 and the output tube 2 inseparabler to gasbag ring 91 extruded, can effectually avoid the too big and lead to the problem of sealed not enough of pressure.

Claims (7)

1. A hydraulic valve, includes valve body (1) and valve rod (10), its characterized in that: an output pipe (2) is fixedly connected to the valve body (1), a sealing ring (3) is contacted with the output pipe (2), a connecting pipe (4) is contacted with the sealing ring (3), an internal thread seat (5) is installed inside the valve body (1) through a bearing, a valve plate (6) is contacted with the inside of the valve body (1), a rotary limiting mechanism (7) is arranged on the valve body (1), a quick disassembling mechanism (8) is arranged on the output pipe (2), an auxiliary sealing mechanism (9) is arranged on the output pipe (2), a threaded plate (12) is connected to the inside of the internal thread seat (5) through threads, a square pipe (13) is fixedly connected to the threaded plate (12), and a valve spring (11) is arranged on the outer side of the valve rod (10);
quick disassembly body (8) are including articulated seat (81), articulated frame (82), connecting rod (83), draw piece (84), stopper (85), spring (86), articulated seat (81) of fixedly connected with is gone up in output tube (2), articulated on articulated seat (81) have articulated frame (82), articulated frame (82) and connecting pipe (4) contact, the inside sliding connection of articulated frame (82) has connecting rod (83), the one end fixedly connected with of connecting rod (83) draws piece (84), draw piece (84) and articulated frame (82) contact, the other end fixedly connected with stopper (85) of connecting rod (83), stopper (85) and connecting pipe (4) and the equal sliding connection of articulated frame (82), the outside of connecting rod (83) is provided with spring (86).
2. A hydraulic valve according to claim 1, wherein: valve rod (10) and valve plate (6) fixed connection, square pipe (13) and the equal sliding connection of valve body (1) and valve rod (10), the one end and valve plate (6) fixed connection of valve spring (11), the other end and square pipe (13) fixed connection of valve spring (11), the inside fixedly connected with sealing washer (14) of valve body (1), sealing washer (14) and square pipe (13) sliding connection.
3. A hydraulic valve according to claim 1, wherein: fixedly connected with gag lever post (15) on connecting pipe (4), gag lever post (15) and output tube (2) and the equal sliding connection of sealing ring (3).
4. A hydraulic valve according to claim 1, wherein: rotatory stop gear (7) are including square post (71), hand wheel (72), pin (73), fender wheel (74), extension spring (75), and the inside sliding connection of interior screw thread seat (5) has square post (71), fixedly connected with hand wheel (72) on square post (71), fixedly connected with pin (73) on hand wheel (72), fixedly connected with fender wheel (74) on valve body (1), pin (73) and fender wheel (74) sliding connection, and the inside of square post (71) is provided with extension spring (75).
5. A hydraulic valve according to claim 4, wherein: one end of the tension spring (75) is fixedly connected with the internal thread seat (5), and the other end of the tension spring (75) is fixedly connected with the square column (71).
6. A hydraulic valve according to claim 1, wherein: the other end of the first spring (86) is fixedly connected with the hinged frame (82), and the other end of the first spring (86) is fixedly connected with the limiting block (85).
7. A hydraulic valve as defined in claim 1, wherein: supplementary sealing mechanism (9) are including gasbag ring (91), becket (92), silicon rubber gasket (93), fixedly connected with gasbag ring (91) on sealing ring (3), fixedly connected with becket (92) on gasbag ring (91), becket (92) and output tube (2) and the equal sliding connection of connecting pipe (4), fixedly connected with silicon rubber gasket (93) on gasbag ring (91), silicon rubber gasket (93) and output tube (2) and connecting pipe (4) all contact.
CN202211372968.8A 2022-11-04 2022-11-04 Hydraulic valve Active CN115507081B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211372968.8A CN115507081B (en) 2022-11-04 2022-11-04 Hydraulic valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211372968.8A CN115507081B (en) 2022-11-04 2022-11-04 Hydraulic valve

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CN115507081A CN115507081A (en) 2022-12-23
CN115507081B true CN115507081B (en) 2023-02-17

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116044345B (en) * 2023-01-07 2023-09-01 江苏苏盐阀门机械有限公司 Be applied to oil recovery from shut-off valve

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0060238A1 (en) * 1981-03-05 1982-09-15 Acf Industries, Incorporated Valve stem packing structure
CN204611041U (en) * 2015-04-19 2015-09-02 洪建勇 A kind of electric gate valve
WO2018053663A1 (en) * 2016-09-22 2018-03-29 沈静静 Y-shaped electric-powered ultra-high pressure spherical sealing shut-off valve
CN109323007A (en) * 2018-12-10 2019-02-12 阜宁联达机电制造有限公司 A kind of water pump valve convenient for controlling water flow
CN210318569U (en) * 2019-07-16 2020-04-14 河南省中能联建地热工程有限公司 Control valve for geothermal transmission pipeline
CN211820799U (en) * 2020-01-07 2020-10-30 胡永煌 Gate valve
CN112081788A (en) * 2020-08-28 2020-12-15 西安航空职业技术学院 Aviation hydraulic valve
CN212564583U (en) * 2020-06-01 2021-02-19 金博阀门集团股份有限公司 Wedge type hard sealing gate valve for air conditioner heating and ventilating system
CN213628894U (en) * 2020-09-23 2021-07-06 上海固涞美节能科技有限公司 Dynamic balance electric two-way regulating valve
CN216343985U (en) * 2021-10-11 2022-04-19 东远船舶设备江苏有限公司 Stop valve with good sealing performance
CN216618591U (en) * 2021-09-23 2022-05-27 上海美科阀门有限公司 Valve convenient to change valve plate
CN217583396U (en) * 2022-04-27 2022-10-14 江苏横河自控阀门有限公司 Novel high leakproofness resistance to compression governing valve

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0060238A1 (en) * 1981-03-05 1982-09-15 Acf Industries, Incorporated Valve stem packing structure
CN204611041U (en) * 2015-04-19 2015-09-02 洪建勇 A kind of electric gate valve
WO2018053663A1 (en) * 2016-09-22 2018-03-29 沈静静 Y-shaped electric-powered ultra-high pressure spherical sealing shut-off valve
CN109323007A (en) * 2018-12-10 2019-02-12 阜宁联达机电制造有限公司 A kind of water pump valve convenient for controlling water flow
CN210318569U (en) * 2019-07-16 2020-04-14 河南省中能联建地热工程有限公司 Control valve for geothermal transmission pipeline
CN211820799U (en) * 2020-01-07 2020-10-30 胡永煌 Gate valve
CN212564583U (en) * 2020-06-01 2021-02-19 金博阀门集团股份有限公司 Wedge type hard sealing gate valve for air conditioner heating and ventilating system
CN112081788A (en) * 2020-08-28 2020-12-15 西安航空职业技术学院 Aviation hydraulic valve
CN213628894U (en) * 2020-09-23 2021-07-06 上海固涞美节能科技有限公司 Dynamic balance electric two-way regulating valve
CN216618591U (en) * 2021-09-23 2022-05-27 上海美科阀门有限公司 Valve convenient to change valve plate
CN216343985U (en) * 2021-10-11 2022-04-19 东远船舶设备江苏有限公司 Stop valve with good sealing performance
CN217583396U (en) * 2022-04-27 2022-10-14 江苏横河自控阀门有限公司 Novel high leakproofness resistance to compression governing valve

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Denomination of invention: A hydraulic valve

Effective date of registration: 20230621

Granted publication date: 20230217

Pledgee: Shandong Longkou Rural Commercial Bank Co.,Ltd. Fushan sub branch

Pledgor: YANTAI ZHONGYU AEROHYDRAULIC Co.,Ltd.

Registration number: Y2023980045394