CN214889126U - Pressure reducing valve - Google Patents

Pressure reducing valve Download PDF

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Publication number
CN214889126U
CN214889126U CN202121420402.9U CN202121420402U CN214889126U CN 214889126 U CN214889126 U CN 214889126U CN 202121420402 U CN202121420402 U CN 202121420402U CN 214889126 U CN214889126 U CN 214889126U
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China
Prior art keywords
shell
plate
pressure
water
outlet pipe
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Application number
CN202121420402.9U
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Chinese (zh)
Inventor
陈均
邓朝霞
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Zhejiang Hangong Intelligent Industry Co ltd
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Jiaxing Hangong Automobile Fastener Co ltd
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Priority to CN202121420402.9U priority Critical patent/CN214889126U/en
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Abstract

A pressure reducing valve comprises a water inlet pipe, a shell, a pressure relief filtering device, a partition plate, a rotating rod, a rotating bracket, a threaded rod, a spring, a sliding plate, a pressure probe and a pressure gauge, wherein the water inlet pipe is connected with the shell; one end of the shell far away from the water inlet pipe is connected with the water outlet pipe; the bottom of the shell is connected with a pressure relief filtering device; the shell is rotatably connected with a rotating rod, and the rotating rod is connected with a threaded rod; the rotating bracket is connected with the inner wall of the shell; the rotating bracket is provided with internal threads; the rotating bracket is in threaded connection with the threaded rod; the rotating bracket is connected with the spring; one end of the spring, which is far away from the rotating bracket, is connected with the sliding plate; the side surface of the sliding plate is provided with a water inlet hole; the bottom of the sliding plate is provided with a waterproof ring; the waterproof ring is contacted with the inner wall of the shell; the water inlet hole faces the filtering water outlet pipe; sliding plate and shells inner wall sliding connection, the utility model discloses simple structure is easy and simple to handle, can reduce the impact of water hammer effect to the valve through pressure release filter equipment, and effectual filtration fluid avoids blockking up simultaneously, has improved this device stability.

Description

Pressure reducing valve
Technical Field
The utility model relates to a relief pressure valve technical field especially relates to a relief pressure valve.
Background
The pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure and automatically keeps the outlet pressure stable by means of the energy of the medium. From the hydrodynamics perspective, the relief pressure valve is a throttling element that local resistance can change, through changing the restriction area promptly, makes the velocity of flow and fluidic kinetic energy change, causes different pressure loss to reach the mesh of decompression, traditional relief pressure valve does not possess anti-clogging device, and it is with high costs only to change the maintenance wholly when the valve body breaks to appear, and the dismantlement process is complicated.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem that exists among the background art, the utility model provides a relief pressure valve, the utility model discloses simple structure is easy and simple to handle, can reduce the impact of water hammer effect to the valve through pressure release filter equipment, and effectual filtration fluid avoids blockking up simultaneously, has improved this device stability.
(II) technical scheme
The utility model provides a pressure reducing valve, which comprises a water inlet pipe, a water outlet pipe, a shell, a pressure relief filtering device, a partition plate, a rotating rod, a rotating bracket, a threaded rod, a spring, a sliding plate, a pressure probe and a pressure gauge;
the water inlet pipe is connected with the shell; one end of the shell far away from the water inlet pipe is connected with the water outlet pipe; the bottom of the shell is connected with a pressure relief filtering device;
the shell is rotatably connected with a rotating rod, and the rotating rod is connected with a threaded rod; the rotating bracket is connected with the inner wall of the shell; the rotating bracket is provided with internal threads; the rotating bracket is in threaded connection with the threaded rod; the rotating bracket is connected with the spring; one end of the spring, which is far away from the rotating bracket, is connected with the sliding plate; the side surface of the sliding plate is provided with a water inlet hole; the bottom of the sliding plate is provided with a waterproof ring; the waterproof ring is contacted with the inner wall of the shell; the water inlet hole faces the filtering water outlet pipe; the sliding plate is connected with the inner wall of the shell in a sliding way.
Preferably, the pressure relief filtering device comprises a threaded ring, a filtering water outlet pipe, a filtering screen window, a filtering shell, a waterproof plate, a water blocking plate, an inclined plate, an elastic supporting column and a pressure relief pipe; the threaded ring is in threaded connection with the shell; the filtering water outlet pipe is conical, and the inclined surface of the filtering water outlet pipe is contacted with the partition plate; the filtering water outlet pipe is connected with the filtering shell; a filter screen window is arranged on the filter shell; a filter screen is arranged in the filter shell, and a filter screen window faces the direction of the filter screen; the bottom of the filtering shell is connected with a waterproof plate; the side surface of the waterproof board is contacted with the water-blocking board, and a rubber sealing ring is arranged at the joint of the water-blocking board and the waterproof board; the bottom of the water-blocking plate is connected with the inclined plate; the inclined plate is conical; the bottom of the waterproof plate is connected with the elastic support columns; the bottom of the elastic support column is provided with a support plate, and the support plate is provided with a through hole; the through hole faces to the pressure relief pipe.
Preferably, the shell is connected with a pressure gauge; the bottom of the pressure gauge is connected with the pressure probe; the pressure probe is directed directly downward.
Preferably, the water inlet pipe and the water outlet pipe are provided with external threads, and the water inlet pipe and the water outlet pipe are connected with the shell through threads.
Preferably, a rubber sealing ring is arranged at the joint of the shell and the pressure relief filtering device, and a waterproof adhesive tape is wound on the threaded ring.
Preferably, a plurality of groups of filter screen windows are arranged on the filter shell, and the filter screen windows are circumferentially distributed on the side surface of the filter shell.
Preferably, a waterproof adhesive tape is wound at the joint of the pressure gauge and the shell, a through hole is formed in the shell, and the pressure probe penetrates through the through hole.
Preferably, the sliding plate is provided with a plurality of groups of water inlet holes, and the water inlet holes are circumferentially distributed on the side surface of the sliding plate.
The above technical scheme of the utility model has following profitable technological effect:
the utility model has the advantages of simple structure and simple operation, can reduce the impact of water hammer effect to the valve through pressure release filter equipment, the jam is avoided to effectual filtration fluid simultaneously, this device stability has been improved, combination through division board and filtration outlet pipe can effectual change fluid flow direction, reduce the water hammer effect, can carry out the pressure release when this device internal pressure is too big with the combination of all countries' waterproof board and elastic support post, this device structural integrity has been guaranteed, combination through spring and sliding plate can effectual stable fluid pressure, the sliding plate that the slope set up can reduce fluidic side and erode, the life of this device has been prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a pressure reducing valve according to the present invention.
Fig. 2 is a front view of a pressure reducing valve according to the present invention.
Fig. 3 is a schematic structural view of a pressure relief filtering device in a pressure relief valve according to the present invention.
Reference numerals: 1. a water inlet pipe; 2. a water outlet pipe; 3. a housing; 4. a pressure relief filter device; 5. a threaded ring; 6. a water outlet pipe is filtered; 7. a filter screen window; 8. a filter housing; 9. a waterproof sheet; 10. a water-blocking plate; 11. an inclined plate; 12. an elastomeric support column; 13. a pressure relief pipe; 14. a partition plate; 15. rotating the rod; 16. rotating the bracket; 17. a threaded rod; 18. a spring; 19. a sliding plate; 20. a water inlet hole; 21. a waterproof ring; 22. a pressure probe; 23. and a pressure gauge.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-3, the pressure reducing valve provided by the present invention comprises a water inlet pipe 1, a water outlet pipe 2, a housing 3, a pressure relief filter 4, a partition plate 14, a rotating rod 15, a rotating bracket 16, a threaded rod 17, a spring 18, a sliding plate 19, a pressure probe 22 and a pressure gauge 23;
the water inlet pipe 1 is connected with the shell 3; one end of the shell 3 far away from the water inlet pipe 1 is connected with the water outlet pipe 2; the bottom of the shell 3 is connected with a pressure relief filtering device 4;
the shell 3 is rotatably connected with a rotating rod 15, and the rotating rod 15 is connected with a threaded rod 17; the rotating bracket 16 is connected with the inner wall of the shell 3; the rotating bracket 16 is provided with internal threads; the rotating bracket 16 is in threaded connection with a threaded rod 17; the rotating bracket 16 is connected with a spring 18; the end of the spring 18 remote from the rotating bracket 16 is connected to a sliding plate 19; the side surface of the sliding plate 19 is provided with a water inlet hole 20; the bottom of the sliding plate 19 is provided with a waterproof ring 21; the waterproof ring 21 is contacted with the inner wall of the shell 3; the water inlet hole 20 faces the filtered water outlet pipe 6; the slide plate 19 is slidably connected to the inner wall of the housing 3.
In the utility model, the pressure reducing effect can be effectively ensured through the gap between the sliding plate 19 and the shell 3, when the fluid enters from the water inlet pipe 1, the fluid blocked by the partition plate 14 enters into the pressure-relief filtering device 4, the fluid is filtered by the filter screen and flows out from the filtering water pipe 6, the sliding plate 19 can be effectively limited by rotating the threaded rod 17, the fluid can extrude and push the sliding plate 19 through the water inlet hole 20, when the sliding plate 19 slides upwards, the waterproof ring 21 and the inner wall of the shell 3 form a gap, the fluid flows to the water outlet pipe 2 from the gap, the pushing force of the fluid on the sliding plate 19 is reduced at the moment, the sliding plate 19 slides downwards to close the gap, thereby the fluid pressure is increased to jack up the sliding plate 19 again, the pressure reducing effect is Sai' an by enabling the fluid to jack up the sliding plate 19, the gap exists between the threaded rod 17 and the sliding plate 19, can go up the peak to slide 19 to the sliding plate and carry on spacingly, guaranteed this device current limiting effect, when this device is inside to appear blockking up, the inside fluid pressure of casing 3 rises rapidly, when the fluid passes through pressure release filter equipment 4, can extrude waterproof board 9 downwards through fluid pressure, when waterproof board 9 removed to be in same height with hang plate 11, the fluid flowed out from the gap between hang plate 11 and the waterproof board 9, effectually avoided this device inner structure to be destroyed.
In an alternative embodiment, the pressure relief filter device 4 comprises a threaded ring 5, a filtered water pipe 6, a filter screen window 7, a filter shell 8, a waterproof plate 9, a water blocking plate 10, an inclined plate 11, an elastic support column 12 and a pressure relief pipe 13; the threaded ring 5 is in threaded connection with the shell 3; the filtering water outlet pipe 6 is conical, and the inclined surface of the filtering water outlet pipe 6 is contacted with the partition plate 14; the filtered water pipe 6 is connected with the filtering shell 8; a filter screen window 7 is arranged on the filter shell 8; a filter screen is arranged in the filter shell 8, and the filter screen window 7 faces the direction of the filter screen; the bottom of the filtering shell 8 is connected with a waterproof plate 9; the side surface of the waterproof board 9 is contacted with the water-blocking board 10, and a rubber sealing ring is arranged at the joint of the water-blocking board 10 and the waterproof board 9; the bottom of the water-blocking plate 10 is connected with an inclined plate 11; the inclined plate 11 is conical; the bottom of the waterproof plate 9 is connected with an elastic support column 12; the bottom of the elastic support column 12 is provided with a support plate, and the support plate is provided with a through hole; the through hole faces the pressure relief pipe 13.
In an alternative embodiment, the housing 3 is connected to a pressure gauge 23; the bottom of the pressure gauge 23 is connected with a pressure probe 22; the pressure probe 22 is directed directly downward.
In an alternative embodiment, the water inlet pipe 1 and the water outlet pipe 2 are provided with external threads, and the water inlet pipe 1 and the water outlet pipe 2 are connected with the shell 3 through threads.
In an alternative embodiment, a rubber sealing ring is arranged at the joint of the shell 3 and the pressure relief filtering device 4, and a waterproof adhesive tape is wound on the threaded ring 5.
In an alternative embodiment, a plurality of sets of filter screen windows 7 are provided on the filter housing 8, and the filter screen windows 7 are circumferentially distributed on the side of the filter housing 8.
In an alternative embodiment, a waterproof adhesive tape is wound around the joint of the pressure gauge 23 and the housing 3, and a through hole is formed in the housing 3, through which the pressure probe 22 passes.
In an alternative embodiment, the sliding plate 19 is provided with a plurality of sets of water inlet holes 20, and the water inlet holes 20 are circumferentially distributed on the side surface of the sliding plate 19.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (8)

1. A pressure reducing valve is characterized by comprising a water inlet pipe (1), a water outlet pipe (2), a shell (3), a pressure relief filtering device (4), a partition plate (14), a rotating rod (15), a rotating bracket (16), a threaded rod (17), a spring (18), a sliding plate (19), a pressure probe (22) and a pressure gauge (23);
the water inlet pipe (1) is connected with the shell (3); one end of the shell (3) far away from the water inlet pipe (1) is connected with the water outlet pipe (2); the bottom of the shell (3) is connected with a pressure relief filtering device (4);
the shell (3) is rotatably connected with a rotating rod (15), and the rotating rod (15) is connected with a threaded rod (17); the rotating bracket (16) is connected with the inner wall of the shell (3); the rotating bracket (16) is provided with internal threads; the rotating bracket (16) is in threaded connection with the threaded rod (17); the rotating bracket (16) is connected with a spring (18); one end of the spring (18) far away from the rotating bracket (16) is connected with the sliding plate (19); a water inlet hole (20) is arranged on the side surface of the sliding plate (19); the bottom of the sliding plate (19) is provided with a waterproof ring (21); the waterproof ring (21) is contacted with the inner wall of the shell (3); the water inlet hole (20) faces the filtering outlet pipe (6); the sliding plate (19) is connected with the inner wall of the shell (3) in a sliding way.
2. A pressure reducing valve according to claim 1, characterized in that the pressure relief filter device (4) comprises a threaded ring (5), a filtered water pipe (6), a filter screen window (7), a filter housing (8), a waterproof plate (9), a water blocking plate (10), an inclined plate (11), an elastic support column (12) and a pressure relief pipe (13); the threaded ring (5) is in threaded connection with the shell (3); the filtering water outlet pipe (6) is conical, and the inclined surface of the filtering water outlet pipe (6) is contacted with the partition plate (14); the filtered water outlet pipe (6) is connected with the filtering shell (8); a filter screen window (7) is arranged on the filter shell (8); a filter screen is arranged in the filter shell (8), and the filter screen window (7) faces the direction of the filter screen; the bottom of the filtering shell (8) is connected with a waterproof plate (9); the side surface of the waterproof plate (9) is contacted with the water-blocking plate (10), and a rubber sealing ring is arranged at the joint of the water-blocking plate (10) and the waterproof plate (9); the bottom of the water-blocking plate (10) is connected with the inclined plate (11); the inclined plate (11) is conical; the bottom of the waterproof plate (9) is connected with the elastic supporting columns (12); a supporting plate is arranged at the bottom of the elastic supporting column (12), and a through hole is formed in the supporting plate; the through hole faces to the pressure relief pipe (13).
3. A pressure reducing valve according to claim 1, characterized in that the housing (3) is connected to a pressure gauge (23); the bottom of the pressure gauge (23) is connected with a pressure probe (22); the pressure probe (22) faces directly downward.
4. A pressure reducing valve according to claim 1, characterized in that the inlet pipe (1) and the outlet pipe (2) are provided with external threads, and the inlet pipe (1) and the outlet pipe (2) are connected with the housing (3) by means of threads.
5. The pressure reducing valve according to claim 1, wherein a rubber sealing ring is arranged at the joint of the shell (3) and the pressure reducing filter device (4), and a waterproof adhesive tape is wound on the threaded ring (5).
6. A pressure reducing valve according to claim 1, characterized in that the filter housing (8) is provided with a plurality of sets of filter screen windows (7), the filter screen windows (7) being circumferentially distributed to the side of the filter housing (8).
7. The pressure reducing valve according to claim 1, wherein a waterproof adhesive tape is wound around a joint of the pressure gauge (23) and the housing (3), a through hole is formed in the housing (3), and the pressure probe (22) passes through the through hole.
8. A pressure reducing valve according to claim 1, characterized in that the slide plate (19) is provided with a plurality of sets of inlet openings (20), the inlet openings (20) being circumferentially distributed to the side of the slide plate (19).
CN202121420402.9U 2021-06-24 2021-06-24 Pressure reducing valve Active CN214889126U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121420402.9U CN214889126U (en) 2021-06-24 2021-06-24 Pressure reducing valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121420402.9U CN214889126U (en) 2021-06-24 2021-06-24 Pressure reducing valve

Publications (1)

Publication Number Publication Date
CN214889126U true CN214889126U (en) 2021-11-26

Family

ID=78930112

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121420402.9U Active CN214889126U (en) 2021-06-24 2021-06-24 Pressure reducing valve

Country Status (1)

Country Link
CN (1) CN214889126U (en)

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Address after: 314100 Building 2, 99 Lingxiu Branch Road, Luoxing street, Jiashan County, Jiaxing City, Zhejiang Province

Patentee after: Zhejiang Hangong Intelligent Industry Co.,Ltd.

Country or region after: China

Address before: 314100 Building 2, 99 Lingxiu Branch Road, Luoxing street, Jiashan County, Jiaxing City, Zhejiang Province

Patentee before: JIAXING HANGONG AUTOMOBILE FASTENER CO.,LTD.

Country or region before: China