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Metal sealing valve seat and wear-resisting ball valve

A metal-sealed, wear-resistant ball technology, applied in valve devices, cocks including cut-off devices, engine components, etc., can solve the problems of easy loosening of metal-sealed valve seats, affecting sealing performance, ball locking, etc. The possibility of dead damage, prolonging the service life and good sealing performance

Inactive Publication Date: 2019-01-11
成都乘风流体科技集团股份有限公司 +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The impurity particles in the medium of the existing wear-resistant ball valve cannot be purged and cleaned after entering the middle cavity. After the valve is used for a long time, the metal sealing valve seat is easy to loosen, and the impurity particles in the medium are easily embedded in the loose surface, causing the metal sealing valve seat and the ball to lock. , not only will damage the valve seat but also affect the sealing performance and service life of the valve

Method used

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  • Metal sealing valve seat and wear-resisting ball valve
  • Metal sealing valve seat and wear-resisting ball valve
  • Metal sealing valve seat and wear-resisting ball valve

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Embodiment Construction

[0026] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings.

[0027] like figure 1 , 2 , 3, the metal sealing valve seat disclosed in the present invention includes a valve seat body 5, the valve seat body 5 has an axial passage 51, one end of the valve seat body 5 is provided with a valve seat sealing surface 52, and the valve seat sealing surface 52 is a spherical surface And it is a metal sealing surface. The end face of the other end of the valve seat body 5 has at least one radial groove 53, and the outer circular surface of the valve seat body 5 has at least one axial groove 54. The number of the radial grooves 54 is equal to the number of the radial grooves 53 ;

[0028] The valve seat body 5 is provided with radial grooves 53 and axial grooves 54, which mainly play the role of connecting the flow channel and th...

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Abstract

The invention relates to a metal sealing valve seat and a wear-resisting ball valve. The metal sealing valve seat comprises a valve seat body which is provided with an axial channel. A valve seat sealing face is arranged at one end of the valve seat body, and at least one radial groove is formed in the end face of the other end of the valve seat body. At least one axial groove is formed in the outer circle face of the valve seat body and penetrates the two end faces of the valve seat body. One end of the radial groove communicates with the axial channel, and the other end of the radial groovecommunicates with one end of the axial groove. By means of the metal sealing valve seat and the wear-resisting ball valve, when the valve is partly opened, a middle cavity of the valve is automatically purged through medium gas in a pipeline or by leading high-pressure gas, the phenomenon that medium dust particles are gathered in the middle cavity and harden a sealing face embedded in a downstream valve seat and a ball body is prevented, the sealing reliability of the valve is improved, and the service life of the valve is prolonged; and in addition, a hole does not need to be formed in the outer portion of the valve for leading gas for purging, the effects of energy conservation and consumption reduction can be achieved, in addition, extra external leaking points are reduced, and the valve is better in sealing performance and safer.

Description

technical field [0001] The invention relates to the technical field of valves, in particular to a metal sealing valve seat and a wear-resistant ball valve. Background technique [0002] The impurity particles in the existing wear-resistant ball valve medium cannot be purged and cleaned after entering the middle cavity. After the valve is used for a long time, the metal sealing valve seat is easy to loosen, and the impurity particles in the medium are easily embedded in the loose surface, causing the metal sealing valve seat and the ball to lock up. , not only will damage the valve seat but also affect the sealing performance and valve service life. SUMMARY OF THE INVENTION [0003] The invention aims to provide a metal sealing valve seat and a wear-resistant ball valve. The valve seat can not only play the role of sealing and cooperation, but also play the role of connecting the flow channel and the valve cavity, which is convenient for purging and cleaning the valve cavit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K5/06F16K5/08
CPCF16K5/061F16K5/08
Inventor 王敏李俊霖丁瑞袁小虎胡建曾品其
Owner 成都乘风流体科技集团股份有限公司
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