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Inclined sealing surface valve seat of butterfly valve

A sealing surface and valve seat technology, which is applied in the direction of lift valves, valve devices, engine components, etc., can solve the problems of valve sealing performance degradation, short service life, easy wear, etc., to achieve increased service life, light torque and short time Effect

Inactive Publication Date: 2017-12-19
山西好利阀机械制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The valve seat plays an important role in the valve and is one of the most important parts of the whole valve. When the valve is opened and closed for such a long time, it is easy to wear and tear, resulting in a decrease in the sealing performance of the valve and a short service life. It needs to be replaced New valve seat, causing unnecessary loss

Method used

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  • Inclined sealing surface valve seat of butterfly valve

Examples

Experimental program
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Effect test

Embodiment Construction

[0008] like figure 1 As shown, a valve seat with an oblique sealing surface of a butterfly valve. During the injection molding process of the valve seat 1, the sealing surface 2 of the valve seat is injection molded to be inclined, and the inclination angle is 6°. This design reduces the pressure between the butterfly plate and the valve seat. The contact time of the sealing surface 2 reduces friction, and the torque will also become lighter. The thickness of the sealing surface 2 of the valve seat is increased by 1-2mm, and the compression amount of the valve seat by the butterfly plate can be adjusted, thereby increasing the service life of the valve seat.

[0009] Finally, it is noted that the above examples are only used to illustrate the technical solutions of the present invention without limitation. Although the present invention has been described in detail with reference to preferred embodiments, those of ordinary skill in the art should understand that the technical ...

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Abstract

The invention relates to an inclined sealing surface valve seat of a butterfly valve. The inclined sealing surface valve seat of the butterfly valve comprises a valve seat body and a valve seat sealing surface. During injection molding of the valve seat body, the valve seat sealing surface is subjected to injection molding to be inclined, the inclination angle between the valve seat sealing surface and the horizontal plane is 6 degrees, thus, the contact time between a butterfly plate and the valve seat sealing surface is shortened, friction is reduced, and meanwhile torque is reduced. Due to the special shape of the sealing surface of the valve seat, the contact time between the butterfly plate and the valve seat is shortened, and the service life of the valve seat is prolonged.

Description

technical field [0001] The invention relates to the field of a butterfly valve, in particular to a valve seat with an oblique sealing surface of a butterfly valve. Background technique [0002] Butterfly valve is a simple regulating valve, which can be used in pipelines of various types of fluids such as air, water, various corrosive media, mud, oil, liquid metal and radioactive media, and mainly plays the role of cutting and throttling. The valve seat plays an important role in the valve and is one of the most important parts of the whole valve. When the valve is opened and closed for such a long time, it is easy to wear and tear, resulting in a decrease in the sealing performance of the valve and a short service life. It needs to be replaced New valve seats, causing unnecessary losses. Contents of the invention [0003] The object of the present invention is to provide a valve seat with oblique sealing surface of a butterfly valve. Due to the special shape of the seali...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K1/22F16K1/42
CPCF16K1/22F16K1/42
Inventor 李云山杨智
Owner 山西好利阀机械制造有限公司
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