CN218718948U

CN218718948U - Ball valve with anti-blocking function

Info

Publication number: CN218718948U
Application number: CN202222814673.3U
Authority: CN
Inventors: 杨秀红; 张雷
Original assignee: Gongheng Valve Shanghai Co ltd
Current assignee: Gongheng Valve Shanghai Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-03-24
Anticipated expiration: 2032-10-25

Abstract

The application relates to a ball valve with an anti-blocking function, which relates to the technical field of ball valves and comprises a valve body, a ball body, a valve rod and a pneumatic actuator, wherein the ball body is rotatably installed in the valve body; an avoidance groove is formed in the ball body, and a shearing groove is formed in one side of the avoidance groove; one side of the valve body, which is close to the liquid inlet, is provided with a sealing assembly, and the sealing assembly seals a gap between the ball body and the valve body. This application can prevent to flow through impurity in the liquid of valve body and pile up in the valve body to prevent that the ball valve from blockking up, promote the production efficiency of enterprise.

Description

Ball valve with anti-blocking function

Technical Field

The application relates to the technical field of ball valves, in particular to a ball valve with a blockage prevention function.

Background

At present, a ball valve is a valve in which an opening and closing member (a ball) is driven by a valve rod and rotates around the axis of the ball valve, and can also be used for regulating and controlling fluid. The ball valve is divided into a pneumatic ball valve, an electric ball valve and a manual ball valve according to a driving mode. Ball valves are widely used in petroleum refining, long-distance pipelines, chemical industry, paper making, pharmacy, water conservancy, electric power, municipal administration, steel and other industries.

The prior Chinese patent with the publication number of CN204328043U discloses a pneumatic ball valve, which comprises a valve body, a valve cover, a ball body, a valve rod and a pneumatic actuator, wherein a cavity is formed in the valve body, a valve seat is installed in the cavity, a spring is arranged between the valve seat and the inner wall of the valve body, the ball body is installed in the valve seat, grooves and an anti-corrosion layer are respectively arranged on the inner surface and the outer surface of the ball body, one end of the valve rod is in transmission connection with the ball body, the other end of the valve rod is connected with the pneumatic actuator, an isolation frame is sleeved outside the valve rod between the pneumatic actuator and the valve body, and an indication contact is arranged at the bottom of the valve body.

When the ball valve is used, the pneumatic actuator drives the ball body to rotate through the valve rod under the action that the air source provides high-pressure air, so that the ball valve is switched between opening and closing.

In view of the above-mentioned related art, the inventor believes that impurities may be mixed in the liquid flowing through the ball valve, and after long-term use, the impurities are easily accumulated between the ball valve and the valve body, thereby causing the blockage of the ball valve and reducing the production efficiency of enterprises.

SUMMERY OF THE UTILITY MODEL

Pile up between ball valve and valve body easily in order to improve impurity to lead to the problem that the ball valve blockked up, this application provides a ball valve with prevent blockking up the function.

The application provides a ball valve with prevent blockking up function adopts following technical scheme:

a ball valve with an anti-blocking function comprises a valve body, a ball body, a valve rod and a pneumatic actuator, wherein the ball body is rotatably installed in the valve body, the pneumatic actuator is installed on the valve body, the valve rod is installed between the ball body and the pneumatic actuator, and a liquid inlet and a liquid outlet are formed in two sides of the valve body respectively; an avoidance groove is formed in the ball body, and a shearing groove is formed in one side of the avoidance groove; one side of the valve body, which is close to the liquid inlet, is provided with a sealing assembly, and the sealing assembly seals a gap between the ball body and the valve body.

Optionally, the sealing assembly includes a valve seat, the valve seat is mounted on the valve body, a sealing ring is disposed between the valve seat and the ball body, and the sealing ring abuts against between the valve seat and the ball body.

Optionally, a spring is arranged between the valve seat and the valve body, a gasket is arranged between the spring and the valve seat, one end of the spring abuts against the valve body, and the other end of the spring abuts against the gasket against the ball body.

Optionally, a shearing surface is formed on the valve seat, and the shearing surface and the shearing groove on the ball body are arranged at intervals.

Optionally, the surfaces of the valve seat and the ball body are both provided with wear-resistant layers.

Optionally, a limiting hole is formed in the valve rod, a limiting rod is arranged on the ball body, one end of the limiting rod penetrates through the ball body, and the limiting rod penetrates through one end of the ball body and is in plug-in fit with the limiting hole.

Optionally, an arc-shaped protrusion is formed on one side of the ball body close to the liquid inlet, and the arc-shaped protrusion faces to one side close to the liquid inlet.

To sum up, this application includes following at least one kind and has the ball valve beneficial technological effect who prevents blockking up the function:

in the application, install the valve body on the pipeline, drive the spheroid through pneumatic actuator and rotate, spheroid pivoted in-process, the valve body is opened, make liquid flow through between spheroid and the valve body, pneumatic actuator drives the spheroid at the pivoted in-process, the shearing groove on the spheroid cuts the impurity in the liquid, when the valve body is the closure state, seal assembly seals up the clearance between spheroid and the valve body, help preventing to flow through impurity in the liquid of valve body and piling up in the valve body, thereby prevent that the ball valve from blockking up, promote the production efficiency of enterprise.

Drawings

FIG. 1 is a schematic view of an overall structure of a ball valve with an anti-clogging function according to the present embodiment;

FIG. 2 is a side view of the valve body of the present embodiment;

fig. 3 is an enlarged schematic view of a portion a of fig. 1.

Reference numerals: 1. a valve body; 11. a valve cavity; 12. a liquid inlet; 13. a liquid outlet; 2. a sphere; 21. an avoidance groove; 22. shearing a groove; 23. an arc-shaped bulge; 24. a limiting rod; 3. a valve stem; 31. a limiting hole; 4. a pneumatic actuator; 5. a seal assembly; 51. a valve seat; 52. a seal ring; 53. a spring; 54. a gasket; 55. shearing surfaces; 56. and a wear-resistant layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings of the embodiments of the present application. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the application without any inventive step, are within the scope of protection of the application.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of the terms "a" or "an" and "the" and similar referents in the description and claims of the present application does not denote a limitation of quantity, but rather denote the presence of at least one.

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses ball valve with prevent blockking up function.

Referring to fig. 1-3, a ball valve with an anti-blocking function comprises a valve body 1, a ball body 2, a valve rod 3 and a pneumatic actuator 4, wherein the ball body 2 is rotatably installed in the valve body 1, the pneumatic actuator 4 is installed on the valve body 1, the valve rod 3 is installed between the ball body 2 and the pneumatic actuator 4, the pneumatic actuator 4 drives the ball body 2 to rotate through the valve rod 3, and the opening and closing of the valve body 1 are controlled through the ball body 2. The both sides of valve body 1 are formed with inlet 12 and liquid outlet 13 respectively, and have seted up on the spheroid 2 and dodge the groove 21, and the shearing groove 22 has been seted up to one side of dodging the groove 21, and spheroid 2 is at the pivoted in-process, and the impurity in the liquid is cut to the shearing groove 22 on the spheroid 2. One side of the valve body 1 close to the liquid inlet 12 is provided with a sealing component 5, and the sealing component 5 seals a gap between the ball body 2 and the valve body 1, so that when the valve body 1 is in a closed state, liquid cannot flow out from the gap between the ball body 2 and the valve body 1.

A valve cavity 11 is formed on the inner side of the valve body 1, a liquid inlet 12 and a liquid outlet 13 are respectively formed on two sides of the valve body 1, and the liquid inlet 12 and the liquid outlet 13 are both communicated with the valve cavity 11. The ball 2 is rotatably mounted in the valve chamber 11 of the valve body 1.

Valve rod 3 rotates to be installed on valve body 1, and pneumatic actuator 4 installs on valve body 1, and the one end and the pneumatic actuator 4 of valve rod 3 are connected, and the other end is connected with the valve ball. When in use, the pneumatic actuator 4 drives the ball body 2 to rotate through the valve rod 3.

Dodge groove 21 and be located spheroid 2 one side towards liquid outlet 13, spheroid 2 deviates from one side of dodging groove 21 and is formed with arc protruding 23, when valve body 1 is in the closed condition, arc protruding 23 on the spheroid 2 is towards one side of inlet 12, when valve body 1 is opened to needs, pneumatic actuator 4 drives spheroid 2 through the screw rod and rotates, and 2 pivoted angles of spheroid are 0-90, through the turned angle of air spheroid 2, the flow of controlling valve body 1, make flow control's convenience promote.

Get into from inlet 12 when liquid, and valve body 1 is in the closed condition this moment, therefore liquid then can strike on spheroid 2's arc arch 23, through with arc arch 23 towards one side of inlet 12, liquid strikes on arc arch 23, can reduce spheroid 2's atress, promotes spheroid 2's life.

In order to promote 2 pivoted stability of spheroid, be provided with gag lever post 24 on the spheroid 2, and seted up spacing hole 31 on the valve rod 3, spheroid 2 is passed to the one end of gag lever post 24, and gag lever post 24 passes the cooperation of pegging graft of spacing hole 31 on spheroid 2 one end and the valve rod 3, carries on spacingly between to spheroid 2 and the valve rod 3 through gag lever post 24 to make 2 pivoted stability of spheroid can promote.

The sealing assembly 5 comprises a valve seat 51, the valve seat 51 is movably mounted on one side of the valve body 1 close to the liquid inlet 12, a sealing ring 52 is arranged on one side of the valve seat 51 close to the ball 2, the sealing ring 52 is abutted between the valve body 1 and the ball 2, and a gap between the valve seat 51 and the ball 2 is sealed through the sealing ring 52, so that the sealing performance between the valve seat 51 and the ball 2 is improved.

After long-time use, the ball 2 is continuously washed by liquid, a gap is generated between the autumn clothing and the valve seat 51, after improvement of a designer, a spring 53 and a gasket 54 are arranged between the valve seat 51 and the valve body 1, one end of the spring 53 abuts against the valve body 1, the gasket 54 abuts against the valve seat 51 by the other end of the spring 53, and when the surface of the ball 2 is abraded to increase the gap between the valve seat 51 and the ball 2, the sealing ring 52 on the valve seat 51 abuts against the ball 2 again by the spring 53. The pneumatic actuator 4 drives the ball 2 to rotate only 0-90 degrees, so that the valve seat 51 is always tightly pressed on the ball 2.

The valve seat 51 is formed with a shearing surface 55, the shearing surface 55 is opposite to the shearing groove 22 on the sphere 2, when the sphere 2 rotates, the shearing surface 55 on the valve seat 51 and the shearing groove 22 on the sphere 2 cut the impurities in the liquid, so as to reduce the volume of the impurities, thereby preventing the impurities from being blocked in the valve body 1.

In order to improve the structural strength between the valve seat 51 and the ball 2, after the improvement of the designer, the valve seat 51 and the ball 2 are both provided with the wear-resistant layer 56, the main material of the wear-resistant layer 56 is tungsten carbide, and the tungsten carbide is sprayed on the valve seat 51 and the ball 2 in a spraying manner, so that the high temperature resistance of the valve seat 51 and the ball 2 is increased, the wear resistance of the valve seat 51 and the ball 2 is increased, and the service life of the valve body 1 is prolonged.

The implementation principle of the ball valve with the anti-blocking function in the embodiment of the application is as follows: in the application, with valve body 1 through the bolt tightening on the pipeline, when valve body 1 goes out to close, arc-shaped protrusion 23 on the spheroid 2 is towards one side of inlet 12, spring 53 supports sealing washer 52 on the disk seat 51 tightly at the arc-shaped protrusion 23 of spheroid 2 this moment, when needs are opened, pneumatic actuator 4 drives spheroid 2 through valve rod 3 and rotates for liquid flows through from the clearance between disk seat 51 and the spheroid 2, spheroid 2 is at the pivoted in-process, shearing groove 22 on the spheroid 2 is cuted impurity.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A ball valve with anti-blocking function comprises a valve body (1), a ball body (2), a valve rod (3) and a pneumatic actuator (4), wherein the ball body (2) is rotatably installed in the valve body (1), the pneumatic actuator (4) is installed on the valve body (1), the valve rod (3) is installed between the ball body (2) and the pneumatic actuator (4), and the ball valve is characterized in that: a liquid inlet (12) and a liquid outlet (13) are respectively formed on two sides of the valve body (1); an avoidance groove (21) is formed in the ball body (2), and a shearing groove (22) is formed in one side of the avoidance groove (21); one side of the valve body (1) close to the liquid inlet (12) is provided with a sealing component (5), and the sealing component (5) seals a gap between the ball body (2) and the valve body (1).

2. The ball valve with the anti-clogging function according to claim 1, wherein: the sealing assembly (5) comprises a valve seat (51), the valve seat (51) is installed on the valve body (1), a sealing ring (52) is arranged between the valve seat (51) and the ball body (2), and the sealing ring (52) is abutted between the valve seat (51) and the ball body (2).

3. The ball valve with the anti-clogging function according to claim 2, wherein: a spring (53) is arranged between the valve seat (51) and the valve body (1), a gasket (54) is arranged between the spring (53) and the valve seat (51), one end of the spring (53) abuts against the valve body (1), and the other end of the spring (53) abuts against the gasket (54) on the ball body (2).

4. The ball valve with the anti-clogging function according to claim 2, wherein: a shearing surface (55) is formed on the valve seat (51), and the shearing surface (55) and the shearing groove (22) on the ball body (2) are arranged at intervals.

5. The ball valve with the anti-clogging function according to claim 2, wherein: and the surfaces of the valve seat (51) and the ball body (2) are provided with wear-resistant layers (56).

6. The ball valve with the anti-clogging function according to claim 1, wherein: the ball valve is characterized in that a limiting hole (31) is formed in the valve rod (3), a limiting rod (24) is arranged on the ball body (2), one end of the limiting rod (24) penetrates through the ball body (2), and one end of the limiting rod (24) penetrates through the ball body (2) to be in plug-in fit with the limiting hole (31).

7. The ball valve with the anti-clogging function according to claim 1, wherein: the ball body (2) is close to one side of the liquid inlet (12) and is provided with an arc-shaped bulge (23), and the arc-shaped bulge (23) faces to one side close to the liquid inlet (12).