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A tapered plug valve

A plug valve, conical technology, used in the field of plug valves, can solve the problems of reducing the service life of the plug and the friction of the sealing surface of the plug, and achieve the effect of prolonging the service life, low failure rate, and high reliability.

Active Publication Date: 2019-05-10
武汉阀门水处理机械股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Tapered plug valve is a kind of plug valve. The plug has a certain taper to improve the sealing reliability of the plug. The existing tapered plug valve usually uses a mechanical hand wheel to rotate the valve shaft, and then drives the plug to rotate to achieve the purpose of opening and closing. However, this opening and closing method will undoubtedly cause greater friction on the sealing surface of the cock, greatly reducing the service life of the cock

Method used

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  • A tapered plug valve
  • A tapered plug valve
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Examples

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Embodiment Construction

[0038] Embodiments of the technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only examples, rather than limiting the protection scope of the present invention.

[0039] Such as figure 1 , figure 2 and image 3 As shown, a tapered plug valve includes a valve body 1, a plug 2, a valve shaft 3, a valve cover 4 and a driver 5, the plug 2 is located in the valve body 1, and the valve cover 4 is detachably installed on the top of the valve body 1 Open, one end of the valve shaft 3 is connected to the cock 2, and the other end passes through the valve cover 4 vertically and then connected to the driver 5, the driver 5 drives the valve shaft 3 to lift and rotate, thereby driving the cock 2 to lift and rotate to open and close the valve body 1 ;

[0040] The driver 5 includes a h...

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Abstract

The invention relates to a plug valve, in particular to a cone-shaped plug valve. The cone-shaped plug valve comprises a valve body, a plug cock, a valve shaft, a valve cover and a driver, the plug cock is located in the valve body, and the valve cover is detachably arranged in the opening of the top of the valve body; the plug cock is connected to one end of the valve shaft, the other end of the valve shaft vertically and upward penetrates through the valve cover and is connected with the driver, and the driver drives the valve shaft to lift and rotate and accordingly drives the plug cock to lift and rotate to open and close the valve body. According to the cone-shaped plug valve, the labor is saved when a user opens or closes the valve, and the cone-shaped plug valve is used fast and conveniently and is long in service life.

Description

technical field [0001] The invention relates to a plug valve, in particular to a tapered plug valve. Background technique [0002] Tapered plug valve is a kind of plug valve. The plug has a certain taper to improve the sealing reliability of the plug. The existing tapered plug valve usually uses a mechanical hand wheel to rotate the valve shaft, and then drives the plug to rotate to achieve the purpose of opening and closing. But this opening and closing method undoubtedly causes greater friction to the sealing surface of the cock, greatly reducing the service life of the cock. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a tapered cock valve which is labor-saving, quick and convenient to open and close, and has a long cock service life. [0004] The technical solution of the present invention to solve the above-mentioned technical problems is as follows: a tapered plug valve, including a valve body, a plug, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K31/54F16K31/02F16K5/06F16K5/08
CPCF16K5/06F16K5/08F16K31/02F16K31/54
Inventor 李四波吴颜文李爱民
Owner 武汉阀门水处理机械股份有限公司
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