CN219954347U

CN219954347U - Pressure regulating valve

Info

Publication number: CN219954347U
Application number: CN202321627603.5U
Authority: CN
Inventors: 王新艳; 高原; 柯梦龙; 黄武
Original assignee: Wuhan Tolman New Energy Technology Co ltd
Current assignee: Wuhan Tolman New Energy Technology Co ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2023-11-03
Anticipated expiration: 2033-06-26

Abstract

The utility model discloses a pressure regulating valve which comprises a valve body, wherein an inlet and an outlet are respectively arranged on the left side and the right side of the valve body, a pressure relief opening positioned above the inlet is arranged on the left side of the valve body, and a valve cover is arranged in the valve body. According to the utility model, the steel ball, the valve seat, the first valve core, the second valve core and the sealing seat are arranged, the adjusting screw rod moves downwards by rotating the handle, the second spring seat compresses the second spring, the first valve core moves downwards under the pressure of the second spring to enable the first valve core to be in contact with the second valve core, the lower cavity is sealed to form pressure, the outlet of the valve body needs more pressure, the adjusting screw rod moves upwards by rotating the handle, the second spring seat stretches the second spring, the first valve core moves upwards under the pressure of the second spring to enable the first valve core and the second valve core to reset to be separated, and the outlet pressure of the valve body is discharged to the pressure relief opening along the inner cavity of the device.

Description

Pressure regulating valve

Technical Field

The utility model relates to the field of pressure regulating valves, in particular to a pressure regulating valve.

Background

The pressure regulating valve can basically be said to be a pressure reducing valve, and the working principle of the pressure reducing valve is as follows: the high pressure medium is depressurized by filling a relatively large chamber through a small orifice, in practice by intercepting the pressure, the diaphragm or piston is on both sides of the outlet chamber and on the other side is the artificial pressure, and the valve stem controlling the orifice size is connected to the diaphragm (piston) so that the pressure in the outlet chamber is always equal to the pressure given by the spring or by the air or hydraulic source as long as a fixed pressure is given.

At present, most of pressure regulating valves are low-pressure diaphragm type pressure regulating valves, which have many defects in the high-pressure field, insufficient high-pressure output performance, unstable pressure and flow, large operation moment, no discharge, high cost of partial pressure regulating valves with high output pressure, and high pressure resistance and stable output pressure are needed in the market.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a pressure regulating valve which is high in pressure resistance and stable in output pressure.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to a pressure regulating valve, which comprises a valve body, wherein an inlet and an outlet are respectively arranged on the left side and the right side of the valve body, a pressure relief opening positioned above the inlet is arranged on the left side of the valve body, a valve cover is arranged in the valve body, a third O-shaped ring and a fourth O-shaped ring are sleeved outside the valve cover, a valve cap extending into the valve body is arranged at the top of the valve body, and a handle is arranged on the valve cap;

the valve body is internally provided with a valve core sleeve and a valve seat, the valve core sleeve is internally provided with a first spring, a first spring seat and a steel ball, the first spring seat is positioned above the first spring, one end of the first spring seat extends into the first spring, the steel ball is arranged above the first spring seat, the top of the valve seat is inserted with a second valve core extending into the valve seat, the second valve core is positioned right above the steel ball, and the outer part of the valve seat is sleeved with a first O-shaped ring;

a first valve core is arranged in the valve cover, one end of the first valve core extends into the valve cover, and a spring seat is sleeved at one end of the first valve core, which is positioned in the valve cover;

the inside of the valve cap is provided with a second spring and a second spring seat, the second spring seat is positioned above the second spring, and one end of the second spring seat extends into the second spring;

the inner top wall of the valve cap is provided with a bearing, the top of the handle is provided with an adjusting screw rod penetrating through the handle, the valve cap and the second spring seat and extending to the interior of the valve cap, and the top of the adjusting screw rod is provided with a nut.

As a preferable technical scheme of the utility model, a sealing seat is arranged in the valve seat, and a supporting ring is sleeved outside the second valve core.

As the preferable technical scheme of the utility model, the outer part of the first valve core is sleeved with a second O-shaped ring, and the second O-shaped ring is positioned in the valve cover.

As a preferable technical scheme of the utility model, the first spring seat is T-shaped, and the outer diameter of the upper part of the first spring seat is larger than the inner diameter of the first spring.

As a preferable technical scheme of the utility model, the second spring seat is T-shaped, and the outer diameter of the upper part of the second spring seat is larger than the inner diameter of the second spring.

As a preferable technical scheme of the utility model, the right side of the valve cap is provided with a screw penetrating into the second spring seat.

As a preferable technical scheme of the utility model, the outer part of the adjusting screw is sleeved with a spring washer positioned on the handle, and the top of the handle is provided with a handle cover positioned outside the adjusting screw.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the steel ball, the valve seat, the first valve core, the second valve core and the sealing seat are arranged, the handle is rotated to enable the adjusting screw rod to move downwards, the second spring seat enables the second spring to compress, the first valve core is enabled to move downwards under the pressure of the second spring, so that the first valve core is contacted with the second valve core, the lower cavity is sealed to form pressure, and the pressure of the outlet of the valve body is required to be regulated through the handle;

the handle is rotated to make adjusting screw move up, and the second spring holder makes the second spring extend, and first case receives the pressure of second spring to move up and makes first case and second case reset to the separation, and the outlet pressure of valve body discharges to the relief pressure mouth along equipment inner chamber, so, the pressure regulation of equipment is convenient, and pressure resistance is good, and output pressure is stable.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

in the figure: 1. a valve body; 2. a valve core sleeve; 3. a first spring; 4. a first spring seat; 5. a steel ball; 6. a valve seat; 7. a first O-ring; 8. a support ring; 9. a second O-ring; 10. a first valve core; 11. a spring seat; 12. a valve cap; 13. a second spring; 14. a second spring seat; 15. a bearing; 16. adjusting a screw; 17. a nut; 18. a second valve core; 19. a sealing seat; 20. a third O-ring; 21. a fourth O-ring; 22. a valve cover; 23. a screw; 24. a spring washer; 25. a handle; 26. a handle cover.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Wherein like reference numerals refer to like elements throughout.

Example 1

As shown in fig. 1-2, the utility model provides a pressure regulating valve, which comprises a valve body 1, wherein an inlet and an outlet which are communicated with the inner cavity of the valve body 1 are respectively arranged below the left side and the right side of the valve body 1, a pressure relief opening which is positioned above the inlet is arranged on the left side of the valve body 1, a valve cover 22 is arranged inside the valve body 1, a third O-shaped ring 20 and a fourth O-shaped ring 21 are sleeved outside the valve cover 22, a valve cap 12 which extends into the valve body 1 is arranged at the top of the valve body 1, and a handle 25 is arranged on the valve cap 12.

The valve body 1 is internally provided with a valve core sleeve 2 and a valve seat 6, the valve seat 6 is internally provided with a sealing seat 19, the valve core sleeve 2 is internally provided with a first spring 3, a first spring seat 4 and a steel ball 5, the first spring seat 4 is positioned above the first spring 3, one end of the first spring seat 4 extends into the first spring 3, the steel ball 5 is arranged above the first spring seat 4, the top of the valve seat 6 is inserted with a second valve core 18 extending into the valve seat 6, the outer part of the second valve core 18 is sleeved with a supporting ring 8, the second valve core 18 is positioned right above the steel ball 5, and the outer part of the valve seat 6 is sleeved with a first O-shaped ring 7.

It should be noted that, the first spring 3 is in a pre-compressed state, and is propped against the steel ball 5 to establish an initial seal, and then a high-pressure medium is filled into the inlet of the valve body 1; when the pressure relief of the outlet of the valve body 1 is completed, the steel ball 5 is reset, and the front end pressure is kept continuously sealed.

The valve cover 22 is internally provided with a first valve core 10, one end of the first valve core 10 extends into the valve cover 12, and the end of the first valve core 10 positioned in the valve cover 12 is sleeved with a spring seat 11;

also, the outer part of the first valve core 10 is sleeved with a second O-shaped ring 9 positioned inside the valve cover 22

The second spring 13 and the second spring seat 14 are arranged in the bonnet 12, the second spring seat 14 is positioned above the second spring 13, and one end of the second spring seat 14 extends into the second spring 13;

the inner top wall of the valve cap 12 is provided with a bearing 15, the top of the handle 25 is provided with an adjusting screw 16 penetrating the handle 25, the valve cap 12 and the second spring seat 14 and extending into the valve cap 12, and the top of the adjusting screw 16 is provided with a nut 17 made of copper.

In addition, the first spring seat 4 and the second spring seat 14 are both T-shaped, the outer diameter of the upper portion of the first spring seat 4 is larger than the inner diameter of the first spring 3, and the outer diameter of the upper portion of the second spring seat 14 is larger than the inner diameter of the second spring 13.

In the present embodiment, the right side of the bonnet 12 is provided with a screw 23 penetrating into the second spring seat 14, and the screw 23 functions as an anti-rotation function so that the second spring seat 14 can only move up and down.

In this embodiment, the outside of the adjusting screw 16 is sleeved with a spring washer 24 on a handle 25, and the top of the handle 25 is provided with a handle cover 26 outside the adjusting screw 16.

In particular, the outer shell parts of the main body of the utility model are all metal parts and are made of austenitic stainless steel materials.

In summary, according to the utility model, the steel ball 5, the valve seat 6, the first valve core 10, the second valve core 18 and the sealing seat 19 are arranged, the handle 25 is rotated to enable the adjusting screw 16 to move downwards, the second spring seat 14 enables the second spring 13 to compress, the first valve core 10 is enabled to move downwards under the pressure of the second spring 13 so that the first valve core 10 is contacted with the second valve core 18, at the moment, the lower cavity is sealed to form pressure, and the amount of pressure needed by the outlet of the valve body 1 is adjusted through the handle 25;

the handle 25 is rotated to enable the adjusting screw 16 to move upwards, the second spring seat 14 enables the second spring 13 to extend, the first valve core 10 is enabled to be reset to be separated from the second valve core 18 due to the fact that the pressure of the second spring 13 moves upwards, and outlet pressure of the valve body 1 is discharged to a pressure relief opening along an inner cavity of the device, so that pressure of the device is convenient to adjust, pressure resistance is good, and output pressure is stable.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The pressure regulating valve comprises a valve body (1), an inlet and an outlet are respectively arranged on the left side and the right side of the valve body (1), and a pressure relief opening above the inlet is arranged on the left side of the valve body (1), and the pressure regulating valve is characterized in that a valve cover (22) is arranged in the valve body (1), a third O-shaped ring (20) and a fourth O-shaped ring (21) are sleeved outside the valve cover (22), a valve cap (12) extending into the valve body (1) is arranged on the top of the valve body (1), and a handle (25) is arranged on the valve cap (12);

the valve is characterized in that a valve core sleeve (2) and a valve seat (6) are arranged in the valve body (1), a first spring (3), a first spring seat (4) and a steel ball (5) are arranged in the valve core sleeve (2), the first spring seat (4) is located above the first spring (3), one end of the first spring seat (4) extends into the first spring (3), the steel ball (5) is arranged above the first spring seat (4), a second valve core (18) extending into the valve seat (6) is inserted into the top of the valve seat (6), the second valve core (18) is located right above the steel ball (5), and a first O-shaped ring (7) is sleeved outside the valve seat (6).

A first valve core (10) is arranged in the valve cover (22), one end of the first valve core (10) extends into the valve cover (12), and a spring seat (11) is sleeved at one end of the first valve core (10) in the valve cover (12);

the inside of the valve cap (12) is provided with a second spring (13) and a second spring seat (14), the second spring seat (14) is positioned above the second spring (13), and one end of the second spring seat (14) extends into the second spring (13);

the inner top wall of the valve cap (12) is provided with a bearing (15), the top of the handle (25) is provided with an adjusting screw (16) penetrating through the handle (25), the valve cap (12) and the second spring seat (14) and extending into the valve cap (12), and the top of the adjusting screw (16) is provided with a nut (17).

2. The pressure regulating valve according to claim 1, wherein the valve seat (6) is internally provided with a sealing seat (19), and the second valve core (18) is externally sleeved with a supporting ring (8).

3. The pressure regulating valve according to claim 1, wherein the outer portion of the first valve element (10) is sleeved with a second O-ring (9), and the second O-ring (9) is located inside the valve cover (22).

4. The pressure regulating valve according to claim 1, wherein the first spring seat (4) is T-shaped, and an outer diameter of an upper portion of the first spring seat (4) is larger than an inner diameter of the first spring (3).

5. The pressure regulating valve according to claim 1, wherein the second spring seat (14) is T-shaped, and an outer diameter of an upper portion of the second spring seat (14) is larger than an inner diameter of the second spring (13).

6. The pressure regulating valve according to claim 1, wherein the right side of the bonnet (12) is provided with a screw (23) penetrating into the second spring seat (14).

7. The pressure regulating valve according to claim 1, wherein the outer part of the regulating screw (16) is sleeved with a spring washer (24) positioned on a handle (25), and the top of the handle (25) is provided with a handle cover (26) positioned outside the regulating screw (16).