Sealing structure for valve seat and globe
A technology of sealing structure and sphere, which is applied to valve devices, cocks including cut-off devices, engine components, etc., can solve problems such as unbearable, high medium temperature, operating temperature restrictions, etc., and achieve good sealing effect.
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[0011] The specific implementation manners of the present invention will be further described below in conjunction with the drawings and examples. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.
[0012] The technical scheme of concrete implementation of the present invention is:
[0013] Such as figure 1 As shown, a sealing structure between the valve seat 2 and the sphere 1 includes the valve seat 2 and the sphere 1. The end surface corresponding to the valve seat 2 and the sphere 1 is provided with an annular first assembly groove, and the assembly in the above-mentioned first assembly groove There is a PEEK sealing ring 3, the outer wall of the PEEK sealing ring 3 is provided with an annular second assembly groove, the second assembly groove is equipped with an O-ring 4, and the end of the first assembly groove is provided with a retaining ring ...
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