CN217713787U - Pressure regulating valve with manual pressure relief function - Google Patents
Pressure regulating valve with manual pressure relief function Download PDFInfo
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- CN217713787U CN217713787U CN202221550049.0U CN202221550049U CN217713787U CN 217713787 U CN217713787 U CN 217713787U CN 202221550049 U CN202221550049 U CN 202221550049U CN 217713787 U CN217713787 U CN 217713787U
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- pressure regulating
- pressure
- pressure relief
- release
- chamber
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Abstract
The utility model belongs to the technical field of the plunger pump accessory, a air-vent valve with manual release is related to, including pressure regulating disk seat and the release disk seat that sets up side by side, be provided with the pressure regulating chamber in the pressure regulating disk seat, be provided with the pressure regulating subassembly in the pressure regulating intracavity, be provided with the pressure regulating water inlet and the delivery port that communicate with the pressure regulating chamber on the pressure regulating disk seat, be provided with the chamber of unloading in the release disk seat, the chamber of unloading is linked together through middle runner and pressure regulating chamber, be provided with the release water inlet that communicates with the chamber of unloading on the pressure regulating disk seat, it is provided with the release case of switching release water inlet and middle runner feed through state to unload intracavity, pressure regulating water inlet, release water inlet all are connected with water supply installation. The utility model provides an air-vent valve with manual release has simple structure, convenient to use, low cost, advantage that the fault rate is low.
Description
Technical Field
The utility model belongs to the technical field of the plunger pump accessory, a air-vent valve with manual release is related to.
Background
The plunger pump works by changing the volume of a sealed working cavity through the reciprocating movement of a plunger in a cylinder body. In order to meet the use requirements of different pressures of the plunger pump and protect the internal components of the plunger pump, the plunger pump is generally provided with a pressure regulating valve for pressure regulation and unloading. The pressure relief structure of the existing pressure regulating valve of the plunger pump generally needs to design a complex waterway, so that the pressure relief structure is inconvenient to manufacture, high in cost and easy to break down.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art not enough, provide an air-vent valve with manual release, have simple structure, convenient to use, low cost, advantage that the fault rate is low.
In order to solve the above technical problem, the purpose of the present invention can be achieved by the following technical solutions:
the utility model provides an air-vent valve with manual release, includes pressure regulating disk seat and the release disk seat that sets up side by side, be provided with the pressure regulating chamber in the pressure regulating disk seat, the intracavity of pressure regulating is provided with the pressure regulating subassembly, is provided with the pressure regulating water inlet and the delivery port that communicate with the pressure regulating chamber on the pressure regulating disk seat, be provided with the chamber of unloading in the release disk seat, the chamber of unloading is linked together through middle runner and pressure regulating chamber, be provided with the release water inlet that communicates with the chamber of unloading on the release disk seat, it is provided with the release case that switches release water inlet and middle runner feed through state to unload the intracavity, pressure regulating water inlet, release water inlet all are connected with water supply installation.
In foretell air-vent valve with manual release, be connected with the pressure regulating pipe on the pressure regulating disk seat, be provided with pressure regulating spring and spring support in the pressure regulating pipe, the upper end spiro union of pressure regulating pipe has the pressure regulating wheel, the both ends of pressure regulating spring are connected with the interior top and the spring support of pressure regulating wheel respectively, the lower extreme that the spring held in the palm is connected with the pressure regulating valve rod, and the lower extreme of pressure regulating valve rod stretches into in the pressure regulating disk seat and is connected with the steel ball, steel ball shutoff pressure regulating water inlet when the pressure regulating valve rod moves down.
In the pressure regulating valve with manual pressure relief, the lower end of the pressure regulating valve rod is provided with a diameter expanding end part for preventing the pressure regulating valve rod from moving excessively.
In the pressure regulating valve with manual pressure relief, the upper end of the pressure regulating valve seat is provided with the water sealing sleeve, the pressure regulating valve rod is slidably arranged in the water sealing sleeve, and the water sealing sleeve is connected with the pressure regulating valve rod and the pressure regulating valve seat in a sealing manner. Furthermore, a stepped hole for installing the water sealing sleeve is formed in the pressure regulating valve seat.
In the pressure regulating valve with manual pressure relief, the pressure relief valve core is a spherical valve core, the pressure relief valve core is connected with a pressure relief valve rod extending out of the pressure relief valve seat, the outer end of the pressure relief valve rod is connected with a handle, and the pressure relief valve core is driven to rotate by the pressure relief valve rod when the handle rotates.
In the pressure regulating valve with manual pressure relief, the outer side of the pressure relief valve seat is provided with the mounting boss, and the handle is rotatably connected to the mounting boss.
In the pressure regulating valve with manual pressure relief, the pressure relief cavity is internally provided with a lower sealing gasket positioned below the pressure relief valve core and an upper sealing gasket positioned above the pressure relief valve core, and the lower sealing gasket and the upper sealing gasket are in contact connection with the outer wall of the pressure relief valve core.
In the pressure regulating valve with manual pressure relief, the upper end of the pressure relief valve seat is provided with a mounting hole, a plug is screwed in the mounting hole, and the lower end of the plug compresses the upper sealing gasket.
In the pressure regulating valve with manual pressure relief, the pressure regulating valve seat and the pressure relief valve seat are integrally cast.
Compared with the prior art, the utility model, following beneficial effect has:
the utility model discloses the other release disk seat that has set up of traditional pressure regulating disk seat to use manual control's release case control release operation. The utility model has the advantages of simple structure, convenient use, low cost and low failure rate.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
reference numerals: 10. a pressure regulating valve seat; 11. a pressure regulating cavity; 12. a pressure-regulating water inlet; 13. a water outlet; 14. a water sealing sleeve; 20. a pressure relief valve seat; 21. a pressure relief cavity; 22. an intermediate flow passage; 23. a pressure relief water inlet; 24. a pressure relief valve core; 25. a pressure relief valve stem; 26. a handle; 27. a lower seal gasket; 28. an upper seal gasket; 29. a plug; 30. a pressure regulating pipe; 31. a pressure regulating spring; 32. a spring support; 33. a pressure regulating wheel; 34. a pressure regulating valve rod; 35. and (5) steel balls.
Detailed Description
The invention will be further described in the following with specific embodiments in conjunction with the drawings, see fig. 1:
the utility model provides an air-vent valve with manual release, includes pressure regulating disk seat 10 and the release disk seat 20 that sets up side by side, be provided with pressure regulating chamber 11 in the pressure regulating disk seat 10, be provided with the pressure regulating subassembly in the pressure regulating chamber 11, be provided with pressure regulating water inlet 12 and delivery port 13 with pressure regulating chamber 11 intercommunication on the pressure regulating disk seat 10, be provided with pressure relief chamber 21 in the release disk seat 20, pressure relief chamber 21 is linked together through middle runner 22 and pressure regulating chamber 11, be provided with the release water inlet 23 with pressure relief chamber 21 intercommunication on the pressure regulating disk seat 20, be provided with the release case 24 of switching release water inlet 23 and middle runner 22 feed through state in the pressure relief chamber 21, pressure regulating water inlet 12, release water inlet 23 all are connected with water supply installation.
In this embodiment, the specific structure of the voltage regulating assembly is: be connected with pressure regulating pipe 30 on the pressure regulating disk seat 10, be provided with pressure regulating spring 31 and spring in the pressure regulating pipe 30 and hold in the palm 32, the upper end spiro union of pressure regulating pipe 30 has pressure regulating wheel 33, pressure regulating spring 31's both ends are connected with pressure regulating wheel 33's interior top and spring support 32 respectively, the lower extreme that the spring held in the palm 32 is connected with pressure regulating valve rod 34, and pressure regulating valve rod 34's lower extreme stretches into in the pressure regulating disk seat 10 and is connected with steel ball 35, steel ball 35 shutoff pressure regulating water inlet 12 when pressure regulating valve rod 34 moves down.
When the pressure regulating valve normally works, the pressure relief valve core 24 is closed, low-pressure water is input from the pressure regulating water inlet 12, the input water pressure is gradually increased because the pressure regulating water inlet 12 is blocked by the steel ball 35, when the water pressure is greater than the pressure of the pressure regulating spring 31 on the steel ball 35, the steel ball 35 moves upwards, high-pressure water enters the pressure regulating cavity 11 and is output from the water outlet 13, and the pressure in the pressure regulating cavity 11 is equivalent to the pressure regulating pressure when reaching a stable state. When pressure relief is needed, the pressure relief valve core 24 is opened, part of water enters the pressure relief cavity 21, the water pressure of the pressure regulating water inlet 12 is reduced, the steel ball 35 moves downwards to seal the pressure regulating water inlet 12, the pressure regulating assembly does not work at the moment, low-pressure water flows through the pressure relief water inlet 23, the pressure relief cavity 21, the pressure regulating cavity 11 and the water outlet 13 in sequence, and when a steady state is achieved, the water pressure is the same low pressure, so that the purpose of pressure relief is achieved.
In order to prevent the pressure regulating valve rod 34 from being released when the pressure is excessively high, the lower end of the pressure regulating valve rod 34 is provided with a diameter-expanding end part for preventing the pressure regulating valve rod 34 from moving excessively.
In order to enhance the sealing performance of the pressure regulating valve rod 34, the upper end of the pressure regulating valve seat 10 is provided with a water sealing sleeve 14, the pressure regulating valve rod 34 is arranged in the water sealing sleeve 14 in a sliding mode, and the water sealing sleeve 14 is connected with the pressure regulating valve rod 34 and the pressure regulating valve seat 10 in a sealing mode. Furthermore, a stepped hole for installing a water sealing sleeve 14 is formed in the pressure regulating valve seat 10.
In an embodiment the pressure relief structure further comprises: the pressure relief valve core 24 is a spherical valve core, the pressure relief valve core 24 is connected with a pressure relief valve rod 25 extending out of the pressure relief valve seat 20, the outer end of the pressure relief valve rod 25 is connected with a handle 26, the pressure relief valve core 24 is driven to rotate by the pressure relief valve rod 25 when the handle 26 rotates, and a pressure relief water inlet 23 and the middle flow passage 22 are respectively in a communicated state and a closed state when the pressure relief valve core 24 rotates in a reciprocating mode.
The outer side of the pressure relief valve seat 20 is provided with a mounting boss, the handle 26 covers the mounting boss, and further, the handle 26 is provided with a mounting disc, the mounting disc can be rotatably connected with the mounting boss and can also be in clearance fit with the mounting boss, and a mounting seat fixedly connected with the pressure relief valve rod 25 is coaxially arranged in the mounting disc.
In order to enhance the sealing performance of the pressure relief valve core 24, a lower gasket 27 positioned below the pressure relief valve core 24 and an upper gasket 28 positioned above the pressure relief valve core 24 are arranged in the pressure relief cavity 21, and the lower gasket 27 and the upper gasket 28 are in contact connection with the outer wall of the pressure relief valve core 24.
In order to facilitate installation of the pressure relief valve core 24, the upper end of the pressure relief valve seat 20 is provided with an installation hole, a plug 29 is screwed in the installation hole, and the lower end of the plug 29 compresses an upper sealing gasket 28. When the valve core is installed, the valve core is put into the installation hole, then the pressure relief valve rod 25 and the handle 26 are connected, and finally the plug 29 is screwed.
In order to further facilitate the manufacturing and save the process steps, the pressure regulating valve seat 10 and the pressure relief valve seat 20 are integrally cast.
The above embodiment is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited in this way, so: all equivalent changes made according to the structure, shape and principle of the utility model should be covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an air-vent valve with manual release, a serial communication port, including pressure regulating disk seat (10) and release disk seat (20) that set up side by side, be provided with pressure regulating chamber (11) in pressure regulating disk seat (10), be provided with the pressure regulating subassembly in pressure regulating chamber (11), be provided with pressure regulating water inlet (12) and delivery port (13) with pressure regulating chamber (11) intercommunication on pressure regulating disk seat (10), be provided with in release disk seat (20) and unload pressure chamber (21), it is linked together with pressure regulating chamber (11) through middle runner (22) to unload pressure chamber (21), be provided with on release disk seat (20) and unload pressure release water inlet (23) of pressure chamber (21) intercommunication, it switches release pressure release water inlet (23) and release pressure valve core (24) of middle runner (22) feed through state to unload to be provided with in pressure chamber (21), pressure regulating water inlet (12), release pressure regulating water inlet (23) all are connected with water supply installation.
2. The pressure regulating valve with manual pressure relief according to claim 1, characterized in that, a pressure regulating pipe (30) is connected on the pressure regulating valve seat (10), a pressure regulating spring (31) and a spring support (32) are arranged in the pressure regulating pipe (30), a pressure regulating wheel (33) is screwed on the upper end of the pressure regulating pipe (30), two ends of the pressure regulating spring (31) are respectively connected with the inner top of the pressure regulating wheel (33) and the spring support (32), the lower end of the spring support (32) is connected with a pressure regulating valve rod (34), the lower end of the pressure regulating valve rod (34) extends into the pressure regulating valve seat (10) and is connected with a steel ball (35), and the steel ball (35) blocks the pressure regulating water inlet (12) when the pressure regulating valve rod (34) moves down.
3. The pressure regulating valve with manual pressure relief according to claim 2, characterized in that the upper end of the pressure regulating valve seat (10) is provided with a water sealing sleeve (14), the pressure regulating valve rod (34) is slidably arranged in the water sealing sleeve (14), and the water sealing sleeve (14) is hermetically connected with the pressure regulating valve rod (34) and the pressure regulating valve seat (10).
4. The pressure regulating valve with manual pressure relief according to claim 1, wherein said pressure relief valve core (24) is a spherical valve core, said pressure relief valve core (24) is connected with a pressure relief valve rod (25) extending out of said pressure relief valve seat (20), the outer end of said pressure relief valve rod (25) is connected with a handle (26), and said handle (26) drives the pressure relief valve core (24) to rotate through said pressure relief valve rod (25) when rotating.
5. The pressure regulating valve with manual pressure relief according to claim 4, characterized in that the outside of said pressure relief valve seat (20) is provided with a mounting boss, and said handle (26) is covered on the mounting boss.
6. The pressure regulating valve with manual pressure relief according to claim 1, wherein a lower gasket (27) below the pressure relief valve element (24) and an upper gasket (28) above the pressure relief valve element (24) are provided in the pressure relief chamber (21).
7. The pressure regulating valve with the manual pressure relief according to claim 6, characterized in that the upper end of the pressure relief valve seat (20) is provided with a mounting hole, a plug (29) is screwed in the mounting hole, and the lower end of the plug (29) presses the upper sealing gasket (28).
8. The pressure regulating valve with manual pressure relief according to claim 1, wherein said pressure regulating valve seat (10) and said pressure relief valve seat (20) are integrally cast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221550049.0U CN217713787U (en) | 2022-06-20 | 2022-06-20 | Pressure regulating valve with manual pressure relief function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221550049.0U CN217713787U (en) | 2022-06-20 | 2022-06-20 | Pressure regulating valve with manual pressure relief function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217713787U true CN217713787U (en) | 2022-11-01 |
Family
ID=83802073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221550049.0U Active CN217713787U (en) | 2022-06-20 | 2022-06-20 | Pressure regulating valve with manual pressure relief function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217713787U (en) |
-
2022
- 2022-06-20 CN CN202221550049.0U patent/CN217713787U/en active Active
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