CN216242429U

CN216242429U - Low-noise high-pressure adjusting ball valve

Info

Publication number: CN216242429U
Application number: CN202122335119.2U
Authority: CN
Inventors: 林祥宜
Original assignee: Shanghai Power Plant Valve Co ltd
Current assignee: Shanghai Power Plant Valve Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-04-08
Anticipated expiration: 2031-09-26

Abstract

The utility model relates to the technical field of high-pressure adjusting ball valves, and discloses a low-noise high-pressure adjusting ball valve which comprises a valve body, wherein the top of the valve body is fixedly connected with a valve cover through a bolt, a gasket is arranged between the valve cover and the valve body, the gasket is tightly contacted with the valve cover and the valve body, a sleeve is arranged inside the valve body, one end surface of the sleeve is tightly contacted with the inner wall of the valve cover, the bottom of the inner wall of the sleeve is tightly contacted with a disc spring, one side of the top of the valve body is rotatably connected with a valve rod, one end of the valve rod is fixedly connected with a handle, the other end of the valve rod extends into the valve body, a ball body is arranged inside the valve body, the ball body is fixedly connected with one end of the valve rod, an operator can rotate the ball body through rotating the valve rod, and the inner wall of the valve body is tightly contacted with the ball body. The ball valve solves the problems of high noise and low durability of the traditional ball valve.

Description

Low-noise high-pressure adjusting ball valve

Technical Field

The utility model relates to the technical field of high-pressure regulating ball valves, in particular to a low-noise high-pressure regulating ball valve.

Background

Ball valve, the open-close piece (ball) is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The valve of this type should be generally installed horizontally in the pipeline. The ball valve is divided into: pneumatic ball valves, electric ball valves, manual ball valves and ball valves (ball valve) are appeared in the 50 th century, and with the rapid development of science and technology and the continuous improvement of production technology and product structure, the pneumatic ball valves, the electric ball valves, the manual ball valves and the ball valves are rapidly developed into main valves in short 40 years. The use of ball valves is increasing year by year in countries with industrially developed western industries. In China, the ball valve is widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and plays a significant role in national economy. It has the action of rotating 90 degrees, the cock body is a sphere, and a circular through hole or a channel passes through the axis of the cock body. Traditional ball valve can produce higher noise because high-pressure fluid medium can strike the valve ball at the during operation, and long-time impact also can make the valve ball produce some irreversible wearing and tearing and lead to producing the gap between valve ball and the valve body simultaneously to lead to the ball valve weeping.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a low-noise high-pressure regulating ball valve, which achieves the purposes of low working noise and long service life of the ball valve.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a low noise high pressure regulating ball valve, includes the valve body, bolt fixedly connected with valve gap is passed through at the top of valve body, be provided with the gasket between valve gap and the valve body, gasket and valve gap and valve body in close contact with, the inside of valve body is provided with the sleeve, telescopic one end surface and the inner wall in close contact with of valve gap, telescopic inner wall bottom and disc spring in close contact with, top one side of valve body is rotated and is connected with the valve rod, the one end fixedly connected with handle of valve rod, the other end of valve rod extends to the inside of valve body.

Preferably, the inside of valve body is provided with the spheroid, the one end fixed connection of spheroid and valve rod, operator turnera enough drives the spheroid through rotating the valve rod and rotates, the inner wall and the spheroid in close contact with of valve body, spheroid and valve body in close contact with can effectually prevent that fluid medium from flowing from the gap between spheroid and the valve body, the inner wall fixedly connected with sealing washer support of valve body, the inner wall fixedly connected with sealing washer of sealing washer support, the sealing washer is in close contact with the inner wall of valve body, and the sealing washer can increase the seal between spheroid and the valve body, sealing washer support and spheroid in close contact with.

Preferably, one side of the sealing ring support is fixedly connected with a butterfly spring, the other end of the butterfly spring is fixedly connected with the valve body, the butterfly spring can prop against the ball body at any time through elasticity, so that a gap between the ball body and the valve body is made up at any time, and on the other hand, the butterfly spring also increases the sealing performance of the sealing ring in the moving length.

Preferably, the number of the sealing rings, the sealing ring supports and the belleville springs is two, one of the sealing rings, one of the sealing ring supports and one of the belleville springs are a group, and the two groups of the sealing rings, the two groups of the sealing ring supports and the two groups of the belleville springs are respectively arranged at two ends of the sphere.

Preferably, the valve body is Y-shaped, and the valve body arranged in the Y shape can effectively counteract the impact force of some fluid media, so that the flow velocity of the fluid media is reduced, the impact force of the fluid media on the ball body is reduced, the deformation length of the ball body is reduced, and the service life of the ball body is prolonged.

Preferably, the surface of the sleeve is provided with a through hole, and the through hole can slow down the flow velocity of the fluid medium and can reduce the pressure and the speed of the fluid medium.

The utility model provides a low-noise high-pressure regulating ball valve. The method has the following beneficial effects:

(1) according to the ball valve, the valve body is arranged into a Y shape, when a medium is input from the input flow channel of the valve body, the medium is firstly decelerated by the convex part in the middle of the Y-shaped channel, then the decelerated part passes through the sleeve again, the medium flows out from the through hole on the surface of the sleeve and is decelerated and depressurized again, so that the purposes of depressurization and deceleration of the medium are achieved, and meanwhile, due to the flow choking and slow flow effects of the Y-shaped channel and the sleeve, the ball body can be protected by slow flow, so that the service life of the whole ball valve is prolonged.

(2) According to the ball valve, the butterfly springs are arranged at the two ends of the ball body, and the butterfly springs are used for automatically adjusting and compensating gaps between the ball body and the valve body, which are generated due to rotation, so that liquid leakage caused by gaps between the ball body and the valve body after working rotation is avoided, the butterfly springs can enable the gaps between the ball body and the valve body to be flexibly adjusted in real time according to the rotation of the ball body, and the working stability of the real ball valve is ensured.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is a front view of a ball of the present invention;

fig. 4 is a schematic structural view of the sleeve of the present invention.

In the figure: 1. a valve body; 2. a valve cover; 3. a gasket; 4. a sleeve; 5. a handle; 6. a valve stem; 7. a sphere; 8. a seal ring; 9. a seal ring support; 10. a belleville spring.

Detailed Description

As shown in fig. 1 to 4, the present invention provides a technical solution: a low-noise high-pressure regulating ball valve comprises a valve body 1, wherein the valve body 1 is arranged in a Y shape, the valve body arranged in the Y shape can effectively counteract the impact force of some fluid media, so that the flow velocity of the fluid media is reduced, the impact force of the fluid media on a ball body 7 is reduced, the deformation length of the ball body 7 is reduced, the service life of the ball body is prolonged, the top of the valve body 1 is fixedly connected with a valve cover 2 through bolts, a gasket 3 is arranged between the valve cover 2 and the valve body 1, the gasket 3 is tightly contacted with the valve cover 2 and the valve body 1, a sleeve 4 is arranged inside the valve body 1, a through hole is formed in the surface of the sleeve 4, the surface of one end of the sleeve 4 is tightly contacted with the inner wall of the valve cover 2, the bottom of the inner wall of the sleeve 4 is tightly contacted with a butterfly spring 10, one side of the top of the valve body 1 is rotatably connected with a valve rod 6, one end of the valve rod 6 is fixedly connected with a handle 5, and the other end of the valve rod 6 extends into the valve body 1, the valve body 1 is internally provided with a sphere 7, the sphere 7 is fixedly connected with one end of a valve rod 6, an operator is fast enough to rotate the sphere 7 by rotating the valve rod 6, the inner wall of the valve body 1 is tightly contacted with the sphere 7, the sphere 7 is tightly contacted with the valve body 1 to effectively prevent a fluid medium from flowing out from a gap between the sphere 7 and the valve body 1, the inner wall of the valve body 1 is fixedly connected with a sealing ring support 9, the inner wall of the sealing ring support 9 is fixedly connected with a sealing ring 8, the sealing ring 8 is tightly contacted with the inner wall of the valve body 1, the sealing ring 8 can increase the tightness between the sphere 7 and the valve body 1, the sealing ring support 9 is tightly contacted with the sphere 7, one side of the sealing ring support 9 is fixedly connected with a disc spring 10, the other end of the disc spring 10 is fixedly connected with the valve body 1, and the number of the sealing ring 8, the sealing ring support 9 and the disc spring 10 is two, and a seal ring 8, a seal ring support 9 and a belleville spring 10 are a group, two groups of seal rings 8, seal ring supports 9 and belleville springs 1 are respectively arranged at two ends of the ball body, the belleville spring 10 can prop against the ball body 7 at any time through elasticity, so that a gap between the ball body 7 and the valve body 1 is compensated at any time, on the other hand, the belleville spring 10 also increases the sealing performance of the seal ring 8 on the moving length, through setting the valve body 1 into a Y shape, when a medium is input from an input flow channel of the valve body 1, the medium is firstly decelerated by a convex part in the middle of the Y-shaped channel, then the decelerated part passes through the sleeve 4 again, the medium flows out from a through hole on the surface of the sleeve 4 and is decelerated and depressurized again, so as to achieve the purpose of depressurization and deceleration of the medium, and simultaneously, the ball body 7 can be protected by the retarded flow due to the functions of choked flow and retarded flow of the Y-shaped channel and the sleeve 4, the service life of the whole ball valve is prolonged, the butterfly springs 10 are arranged at the two ends of the ball body 7, the gap generated by rotation between the ball body 7 and the valve body 1 is automatically adjusted and compensated through the butterfly springs 10, liquid leakage caused by the fact that a gap is generated between the ball body 7 and the valve body 1 after the ball body 7 rotates in the working process is avoided, the gap between the ball body 7 and the valve body 1 can be flexibly adjusted in real time according to the rotation of the ball body 7 through the butterfly springs 10, and the working stability of the real ball valve is guaranteed.

When the infusion valve is used, the valve body 1 is fixedly installed with an infusion pipeline through a bolt, the handle 5 is rotated clockwise to zero degrees when infusion is needed, then the handle 5 drives the valve rod 6 to rotate, then the valve rod 6 drives the ball body 7 to rotate, then the cavity of the ball body 7 is connected and communicated with the cavity inside the valve body 1, then liquid inside the valve body 1 flows into the sleeve 4 through the flow channel inside the ball body 7, then water inside the sleeve 4 flows out from the hole on the surface of the sleeve 4 under the action of water pressure, then the liquid flows to the other end of the valve body 1, when infusion needs to be cut off, the handle 5 is rotated anticlockwise to ninety degrees, the handle 5 drives the valve rod 6 to rotate, the valve rod 6 rotates ninety degrees anticlockwise along with the driving ball body 7, the flow channel of the ball body 7 is disconnected and communicated with the flow channel inside the valve body 1 after the ball body 7 rotates ninety degrees anticlockwise, at the moment, liquid flows at two ends of the valve body 1 are disconnected and stopped to be output, in the rotating process of the ball body 7, the sealing ring 8 is filled in the gap between the ball body 7 and the valve body 1, the sealing ring 8 can effectively prevent the liquid to be conveyed from flowing away from the gap where the ball body 7 moves away to cause liquid leakage, and meanwhile, the belleville spring 10 can flexibly adjust the gap between the ball body 7 and the valve body 1 to ensure the sealing property between the ball body 7 and the valve body 1.

In conclusion, the utility model belongs to a high-pressure regulating ball valve, which comprises a valve body with an openable flow channel, a sealing ring, a valve seat supporting ring, a belleville spring, a valve rod, a handle, a porous sleeve valve seat, a quick-repair valve cover, a valve core, a floating valve seat sealing ring and a ball body, wherein the valve core, the floating valve seat sealing ring and the ball body are positioned in a movable valve cavity formed in the valve body; the quick-repair high-pressure-difference adjusting ball valve has the advantages of simple and compact structure, low cost, low noise, wear resistance and long service life, and can support online replacement and maintenance.

Claims

1. The utility model provides a low noise high pressure regulating ball valve, includes valve body (1), its characterized in that: bolt fixedly connected with valve gap (2) is passed through at the top of valve body (1), be provided with gasket (3) between valve gap (2) and valve body (1), gasket (3) and valve gap (2) and valve body (1) in close contact with, the inside of valve body (1) is provided with sleeve (4), the inner wall in close contact with of the one end surface of sleeve (4) and valve gap (2), top one side of valve body (1) is rotated and is connected with valve rod (6), the one end fixedly connected with handle (5) of valve rod (6), the other end of valve rod (6) extends to the inside of valve body (1).

2. A low noise, high pressure modulating ball valve as defined in claim 1 wherein: the inside of valve body (1) is provided with spheroid (7), the one end fixed connection of spheroid (7) and valve rod (6), the inner wall and spheroid (7) the in close contact with of valve body (1), the inner wall fixedly connected with sealing washer support (9) of valve body (1), the inner wall fixedly connected with sealing washer (8) of sealing washer support (9), the inner wall in close contact with of sealing washer (8) and valve body (1), sealing washer support (9) and spheroid (7) in close contact with.

3. A low noise, high pressure modulating ball valve as defined in claim 2 wherein: one side of the sealing ring support (9) is fixedly connected with a butterfly spring (10), and the other end of the butterfly spring (10) is fixedly connected with the valve body (1).

4. A low noise, high pressure modulating ball valve as defined in claim 3 wherein: the number of the sealing rings (8), the sealing ring support seats (9) and the belleville springs (10) is two.

5. A low noise, high pressure modulating ball valve as defined in claim 1 wherein: the valve body (1) is arranged in a Y shape.

6. A low noise, high pressure modulating ball valve as defined in claim 1 wherein: the surface of the sleeve (4) is provided with a through hole.