CN219655312U

CN219655312U - Pressure regulating valve

Info

Publication number: CN219655312U
Application number: CN202320549683.0U
Authority: CN
Inventors: 林德伟; 白鸿洋
Original assignee: Yingkou Hengxing Valve Manufacturing Co ltd
Current assignee: Yingkou Hengxing Valve Manufacturing Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-09-08
Anticipated expiration: 2033-03-21

Abstract

The utility model discloses a pressure regulating valve which comprises a valve body, wherein a valve cavity is formed in the valve body, limiting seats are fixedly arranged on the inner wall surface of the valve cavity, two limiting seats are arranged, the positions of the two limiting seats correspond to each other, a valve ball is arranged between the two limiting seats, the outer wall surface of the valve ball is attached to the two limiting seats and the inner wall surface of the valve cavity, a through hole is formed in one side wall surface of the valve ball, a rotating rod is rotatably arranged on the upper end surface of the valve ball through a rotating shaft, one end of the rotating rod, far away from the valve ball, penetrates through the valve body and extends to the upper side of the valve body, and a rotating handle is fixedly arranged at the top end of the rotating rod. According to the utility model, the traditional circular plate-shaped valve is replaced by the mutual matching of the limiting seat, the valve ball and the through hole, and the valve ball is spherical and is matched with the inner wall surface of the valve cavity in the valve body and the limiting seat, so that the friction loss of the valve ball can be reduced due to the rotation of the valve ball, and the service life of the device can be effectively prolonged.

Description

Pressure regulating valve

Technical Field

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

Background

The pressure regulating valve is a pressure regulating valve, also called self-operated balance valve, flow control valve, flow controller, dynamic balance valve, flow balance valve, etc. and is a visual and simple flow regulating control device, and is widely applicable to industrial departments of petroleum, chemical industry, metallurgy, light industry, etc. and city heating systems. The working principle of the pressure regulating valve is that the valve is driven to change the cross section area between the valve core and the valve seat by receiving the signal (such as 4-20 mA) of the industrial automatic control system to control the flow parameter of the pipeline medium. Oxygen is a strong oxidant medium, safety accidents often occur in an oxygen supply system, and requirements of users on valves used in the oxygen system are higher and higher, so that a special pressure regulating valve is needed for conveying the oxygen.

At present, the valve of the existing pressure regulating valve is usually disc-shaped, so that the valve usually generates larger friction with the inner wall surface of the valve body when rotating, and a gap is easily generated between the valve and the inner wall surface of the valve body after long-time use, thereby the valve is not tightly closed, and the service life of the valve is further reduced.

Based on the above problems, we have devised a pressure regulating valve to solve the above problems.

Disclosure of Invention

The utility model aims to provide a pressure regulating valve, which aims to solve the problems that the valve of the existing pressure regulating valve is usually disc-shaped, so that the valve generates larger friction with the inner wall surface of a valve body when rotating, and a gap is easily generated between the valve and the inner wall surface of the valve body after long-time use, so that the valve is not tightly closed, and the service life of the valve is further reduced.

In order to achieve the above object, the present utility model provides the following technical solutions: the pressure regulating valve comprises a valve body, wherein a valve cavity is formed in the valve body, limiting seats are fixedly arranged on the inner wall surface of the valve cavity, two limiting seats are arranged, and the positions of the two limiting seats correspond to each other;

a valve ball is arranged between the two limiting seats, the outer wall surface of the valve ball is attached to the two limiting seats and the inner wall surface of the valve cavity, and a through hole is formed in one side wall surface of the valve ball;

the upper end face of the valve ball is rotatably provided with a rotating rod through a rotating shaft, one end, far away from the valve ball, of the rotating rod penetrates through the valve body to extend to the upper side of the valve body, and the top end of the rotating rod is fixedly provided with a rotating handle.

Preferably, a placing notch is formed in the upper end face of the valve body, a limiting block is sleeved on the rotating rod, the placing notch corresponds to the limiting block in position, and the limiting block is placed in the placing notch.

Preferably, the outer wall surface of stopper has seted up the bayonet socket, the bayonet socket is equipped with two in proper order, two all be equipped with the sealing washer in the bayonet socket.

Preferably, one end of the sealing ring is propped against the bottom end of the inner side of the bayonet, and the other end of the sealing ring is propped against the inner wall surface of the placing notch.

Preferably, the upper end face of the valve body is provided with a guide post, the guide post is fixedly connected with the valve body through a screw, and the guide post is sleeved on the rotating rod.

Preferably, a first connecting pipe is fixedly arranged at one end of the valve body, and a second connecting pipe is fixedly arranged at the other end of the valve body;

the first connecting pipe and the second connecting pipe are communicated with the valve cavity in the valve body, and a connector is fixedly arranged on one end face of each of the first connecting pipe and the second connecting pipe.

Preferably, a pressure gauge is fixedly arranged on one side wall surface of the valve body for detection, a protective film is sleeved on the outer wall surface of the pressure gauge for detection, and the protective film is transparent.

In the technical scheme, the utility model has the technical effects and advantages that:

when the size of medium in the valve body needs to be regulated and controlled, the rotating handle is rotated to drive the rotating rod to rotate, the rotating rod can drive the valve ball to rotate between two limiting seats in the valve body, the rotation of the valve ball can enable the through hole on the valve ball to be regulated and controlled through the cross section of the medium, and therefore the regulation and control of the medium flow size are achieved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

Fig. 1 is a first view of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of the overall structure of the present utility model at a second view angle.

FIG. 3 is a schematic view of the internal structure of the valve body of the present utility model.

FIG. 4 is a diagram showing the connection of the rotary rod and the valve ball according to the present utility model.

Fig. 5 is a cross-sectional view of a valve body of the present utility model.

Reference numerals illustrate:

1. a valve body; 2. a valve cavity; 3. a limit seat; 4. a valve ball; 5. a through hole; 6. a rotating lever; 7. rotating the handle; 8. placing the notch; 9. a limiting block; 10. a bayonet; 11. a seal ring; 12. a guide post; 13. a first connection pipe; 14. a second connection pipe; 15. a connector; 16. and (5) detecting a pressure gauge.

Detailed Description

The utility model provides a pressure regulating valve as shown in figures 1-5, which comprises a valve body 1, wherein a valve cavity 2 is formed in the valve body 1, limiting seats 3 are fixedly arranged on the inner wall surface of the valve cavity 2, two limiting seats 3 are arranged, the positions of the two limiting seats 3 are mutually corresponding, a valve ball 4 is arranged between the two limiting seats 3, the outer wall surface of the valve ball 4 is attached to the two limiting seats 3 and the inner wall surface of the valve cavity 2, a through hole 5 is formed in one side wall surface of the valve ball 4, the valve cavity 2 is convenient for placing the valve ball 4, meanwhile, a medium passes through a channel of the valve body 1, the limiting seats 3 play a role in limiting the position of the valve ball 4, and the through hole 5 is convenient for the medium to pass through the valve ball 4;

the up end of valve ball 4 rotates through the pivot and installs dwang 6, the one end that dwang 6 kept away from valve ball 4 passes valve body 1 and extends to the top of valve body 1, the top fixed mounting of dwang 6 has rotation handle 7, and the dwang 6 is more simple and convenient with the rotation of the cooperation messenger valve ball 4 of rotation handle 7.

Compared with the traditional device, the device is additionally provided with the limit seat 3, the valve ball 4 and the through hole 5, so that the device replaces the traditional circular plate-shaped valve, and the valve ball 4 is spherical, and the valve ball 4 is matched with the inner wall surface of the valve cavity 2 in the valve body 1 and the limit seat 3, so that the friction loss of the valve ball 4 can be reduced due to rotation of the valve ball 4, and the service life of the device can be effectively prolonged.

Further, in the above technical scheme, the notch 8 has been seted up in the up end of valve body 1, the cover is equipped with stopper 9 on the dwang 6, place notch 8 and stopper 9's position mutually corresponds, and stopper 9 places in placing notch 8, and the cooperation of placing notch 8 and stopper 9 plays the effect to dwang 6 position restriction, also makes the rotation of dwang 6 more laborsaving simultaneously.

Further, in the above technical scheme, bayonet 10 has been seted up to the outer wall of stopper 9, bayonet 10 is equipped with two in proper order, two all be equipped with sealing washer 11 in the bayonet 10, the inboard bottom of bayonet 10 is all established in the top of one end of sealing washer 11, the other end of sealing washer 11 all is established in the top of placing notch 8 internal face, and the sealing performance between stopper 9 and placing notch 8 can effectually be improved in the mutually supporting of bayonet 10 and sealing washer 11 to avoid medium in the valve pocket 2 to spill over from the junction between dwang 6 and the valve body 1, thereby lead to the poor problem of the leakproofness of the device.

Further, in the above technical scheme, the up end of valve body 1 is equipped with guide post 12, guide post 12 passes through screw and valve body 1 fixed connection, guide post 12 cover is established on dwang 6, and guide post 12 makes guide post 12 be convenient for dismantle the installation through the connection of screw and valve body 1, uses more nimble, and guide post 12 not only can play the effect to dwang 6 direction, but also can improve the stability of dwang 6.

Furthermore, in the above technical scheme, one end of the valve body 1 is fixedly provided with the first connecting pipe 13, the other end of the valve body 1 is fixedly provided with the second connecting pipe 14, the first connecting pipe 13 and the second connecting pipe 14 are both communicated with the valve cavity 2 in the valve body 1, one end surfaces of the first connecting pipe 13 and the second connecting pipe 14 are fixedly provided with the connecting head 15, the first connecting pipe 13 and the second connecting pipe 14 play a role in connecting the valve body 1 with the connecting head 15, and the connecting head 15 is convenient for connecting the valve body 1 with a connecting assembly.

Further, in the above technical scheme, a side wall surface of the valve body 1 is fixedly provided with the pressure gauge detection 16, the outer wall surface of the pressure gauge detection 16 is sleeved with the protection film, the protection film is transparent, the pressure gauge detection 16 is convenient for detecting the pressure intensity in the valve body 1, and the protection film is convenient for separating the pressure gauge detection 16 from air, so that the oxidation of the pressure gauge detection 16 by external air is avoided, and the service life of the pressure gauge detection 16 can be effectively prolonged.

Principle of operation

The implementation mode specifically comprises the following steps: when the flow of the medium in the valve body 1 needs to be regulated, the rotating handle 7 is rotated, the rotating handle 7 rotates to drive the rotating rod 6 to rotate, the rotating rod 6 rotates to drive the valve ball 4 to rotate between the two limiting seats 3 in the valve body 1, and the through hole 5 on the valve ball 4 can be regulated through the cross section of the medium by the rotation of the valve ball 4, so that the regulation and control of the medium flow can be realized.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. A pressure regulating valve comprising a valve body (1), characterized in that the valve: a valve cavity (2) is formed in the valve body (1), limiting seats (3) are fixedly arranged on the inner wall surface of the valve cavity (2), two limiting seats (3) are arranged, and the positions of the two limiting seats (3) are mutually corresponding;

a valve ball (4) is arranged between the two limiting seats (3), the outer wall surface of the valve ball (4) is attached to the two limiting seats (3) and the inner wall surface of the valve cavity (2), and a through hole (5) is formed in one side wall surface of the valve ball (4);

the upper end face of the valve ball (4) is rotatably provided with a rotating rod (6) through a rotating shaft, one end, far away from the valve ball (4), of the rotating rod (6) penetrates through the valve body (1) to extend to the upper side of the valve body (1), and the top end of the rotating rod (6) is fixedly provided with a rotating handle (7).

2. The pressure regulating valve according to claim 1, wherein: the novel valve is characterized in that a placement notch (8) is formed in the upper end face of the valve body (1), a limiting block (9) is sleeved on the rotating rod (6), the placement notch (8) corresponds to the limiting block (9) in position, and the limiting block (9) is placed in the placement notch (8).

3. The pressure regulating valve according to claim 2, wherein: the outer wall surface of the limiting block (9) is provided with two bayonets (10), and two sealing rings (11) are arranged in the bayonets (10) in sequence.

4. A pressure regulating valve according to claim 3, wherein: one end of each sealing ring (11) is propped against the bottom end of the inner side of the bayonet (10), and the other end of each sealing ring (11) is propped against the inner wall surface of the placing notch (8).

5. The pressure regulating valve according to claim 1, wherein: the upper end face of the valve body (1) is provided with a guide post (12), the guide post (12) is fixedly connected with the valve body (1) through a screw, and the guide post (12) is sleeved on the rotating rod (6).

6. The pressure regulating valve according to claim 1, wherein: a first connecting pipe (13) is fixedly arranged at one end of the valve body (1), and a second connecting pipe (14) is fixedly arranged at the other end of the valve body (1);

the first connecting pipe (13) and the second connecting pipe (14) are communicated with the valve cavity (2) in the valve body (1), and a connector (15) is fixedly arranged on one end face of each of the first connecting pipe (13) and the second connecting pipe (14).

7. The pressure regulating valve according to claim 1, wherein: a pressure gauge detection (16) is fixedly arranged on one side wall surface of the valve body (1), a protective film is sleeved on the outer wall surface of the pressure gauge detection (16), and the protective film is transparent.