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Ball valve

A technology for ball valves and bonnets, applied in valve details, valve devices, valve housing structures, etc., can solve the problems of shortening the service life of ball valves, reducing the reliability of ball valves, wear and other problems, and achieve the effect of improving service life

Active Publication Date: 2019-08-30
TEJI VALVE GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in order to ensure that no internal leakage occurs in the existing ball valves, the ball, that is, the closing part, must be tightly pressed on the valve seat during installation. The torque is large when opening and closing, and the ball produces friction with the valve seat during rotation. , serious wear and tear, easy to cause leakage, reducing the reliability of the ball valve and shortening the service life of the ball valve

Method used

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Embodiment Construction

[0021] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0022] Such as Figure 1-13 Shown is a preferred embodiment of the present invention.

[0023] A ball valve comprising

[0024] The valve body 1 is provided with a cavity 101 penetrating left and right, above the cavity 101 is provided an upper rectangular groove 102 penetrating left and right, and below the cavity 101 is provided a lower rectangular groove 103 penetrating left and right.

[0025] The left valve cover 2a is fixedly installed on the left end of the valve body 1 , and the left valve cover 2a is provided with a first flow channel 2a1 communicating with the cavity 101 .

[0026] The right valve cover 2b, the right valve cover 2b is fixedly installed on the right end of the valve body 1, and the second flow channel 2b1 communicating with the cavity 101 is provided in the right valve cover 2b.

[0027] The upper guide plate 3a an...

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Abstract

The invention relates to a ball valve which comprises a valve body, a left valve bonnet, a right valve bonnet, an upper guide plate, a lower guide plate, a valve ball, a left valve clack, a right valve clack and a drive shaft, wherein a cavity, an upper rectangular groove and a lower rectangular groove are formed in the valve body; the left valve bonnet and the right valve bonnet are fixedly mounted at two ends of the valve body respectively; the upper guide plate and the lower guide plate are arranged in the upper rectangular groove and the lower rectangular groove respectively, and have thesame structure, which comprises a support hole, a first cambered groove and a second cambered groove; the valve ball is rotationally arranged in the cavity; a left valve cavity and a right valve cavity are formed in the valve ball; the left valve clack and the right valve clack are arranged in the left valve cavity and the right valve cavity respectively; and the drive shaft is used to drive the valve ball to rotate. In the process of opening the ball valve, the left valve clack and the right valve clack are free of friction and wear, so that the service life can be prolonged.

Description

technical field [0001] The invention belongs to the technical field of pipeline valves, in particular to a ball valve. Background technique [0002] Pipelines are usually used to transport media in industrial or civil infrastructure, where the pipeline is regulated due to changes in pressure or temperature. In order to adjust the flow, an adjustment mechanism, especially a ball valve, is used in the pipeline to ensure the best work. conditions and the safety of the environment. Ball valves usually use a sphere with a circular passage as the opening and closing element, and the sphere realizes the opening and closing action with the rotation of the valve body. The opening and closing part of the ball valve is a ball with a through hole, which rotates around the axis perpendicular to the channel, so as to achieve the purpose of opening and closing the channel. A traditional ball valve is usually a sphere with a through hole installed on the valve seat, and the opening and cl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K5/06F16K5/20F16K27/06
CPCF16K5/0605F16K5/204F16K27/067
Inventor 不公告发明人
Owner TEJI VALVE GRP
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