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High-pressure ball valve

A high-pressure ball valve and valve body technology, which is applied in the direction of valve devices, cocks including cut-off devices, engine components, etc., to improve sealing performance, facilitate stable installation, and reduce frictional damage

Inactive Publication Date: 2021-06-25
SHANGHAI YAAO VALVE CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to protect the sealing ring and reduce the problem of fluid leakage when the ball valve is closed, the application provides a high-pressure ball valve

Method used

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  • High-pressure ball valve
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Embodiment Construction

[0037] The following is attached Figure 1-4 The application is described in further detail.

[0038] The embodiment of the present application discloses a high-pressure ball valve. refer to figure 1 with figure 2 , the high-pressure ball valve includes a valve body 1, and both ends of the valve body 1 are provided with pipes 11, and the two pipes 11 are fixedly connected with the external water inlet pipe and the water outlet pipe through flanges, so that the fluid in the external water inlet pipe can be Stay in the water outlet pipe along the pipeline 11 of the valve body 1.

[0039] A valve ball 3 is rotatably connected to the inside of the valve body 1, and a valve stem 4 is fixedly installed on the top of the valve ball 3, and the end of the valve stem 4 away from the valve ball 3 stretches out of the valve body 1, and on the top of the valve ball 3 The valve body 1 is also provided with a rotating hole 12 communicating with the two pipelines 11, and the rotating hol...

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Abstract

The application relates to a high-pressure ball valve which comprises a valve body, valve seats, a valve ball and a valve rod, a sealing device is arranged between the valve body and the two valve seats, the sealing device comprises first arc-shaped rubber strips connected to the top walls of the inner sides of the two valve seats in a sliding mode, second arc-shaped rubber strips are connected to the bottom walls of the inner sides of the two valve seats in a sliding mode, the first arc-shaped rubber strips and the second arc-shaped rubber strips are matched with the spherical surface of the valve ball, a first moving mechanism is arranged between the valve body and the valve rod, a rotating rod is connected to the side, away from the valve rod, of the valve ball, a rotating component is arranged between the rotating rod and the valve body, and a second moving mechanism is arranged between the valve body and the rotating rod. According to the high-pressure ball valve, the first arc-shaped rubber strips and the second arc-shaped rubber strips can be effectively protected, so that the problem that the first arc-shaped rubber strips and the second arc-shaped rubber strips are damaged due to friction can be reduced; and when the ball valve is in a closed state, the sealing performance between the valve seats and the valve ball can be improved, so that the problem of fluid leakage in the ball valve can be reduced.

Description

technical field [0001] The present application relates to the technical field of valves, in particular to a high-pressure ball valve. Background technique [0002] With the rapid development of science and technology, the structure of ball valve products has been continuously improved, and it has rapidly developed into a major valve category. The ball valve refers to the valve whose opening and closing part (ball) is driven by the valve stem and rotates around the axis of the valve stem. It can also be used for fluid regulation and control, and ball valves are widely used in petroleum refining, long-distance pipelines, Industries such as chemical industry, papermaking, pharmaceuticals, water conservancy, electric power, municipal administration, and iron and steel occupy a pivotal position in the national economy. [0003] A ball valve in the related art generally includes a valve body, a valve stem, a valve ball and a valve seat. At the same time, in order to improve the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K5/06F16K5/08F16K5/20
CPCF16K5/0605F16K5/0689F16K5/08F16K5/201
Inventor 杨鑫城兰勇军刘丽艳杨欣梦
Owner SHANGHAI YAAO VALVE CO LTD
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