Anticorrosion and anti-collision steel ball valve structure

A technology of anti-collision and ball valves, which is applied in the direction of valve shell structure, valve details, valve devices, etc., can solve the problems of poor paint binding rate, affecting the reliability and safety of valves, and falling off, so as to achieve the effect of protection and non-corrosion

Inactive Publication Date: 2015-12-02
SUZHOU GAS EQUIP & VALVES MFG
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0002] At present, the anti-corrosion structure of steel valves used in the domestic urban gas transmission and distribution pipeline network is generally a sprayed paint structure. Due to the limitations of various factors such as valve structure, spraying equipment and methods, it may result in poor paint bonding rate and uneven spraying. , thus affecting the surface anticorrosion of the steel valve and reducing the service life of the valve; and during the installation process of the steel valve, the anticorrosion layer on the outer surface of the valve may be knocked off by sharp objects, and even leave a concave hole on the valve body. The pit reduces the wall thickness of the valve body; thus affecting the reliability and safety of the valve

Method used

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  • Anticorrosion and anti-collision steel ball valve structure
  • Anticorrosion and anti-collision steel ball valve structure

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Embodiment Construction

[0014] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0015] Such as figure 1 and figure 2 An anti-corrosion and anti-collision steel ball valve structure is shown, including a main valve body 1, an auxiliary valve body 2 is arranged inside the main valve body 1, and a valve seat 3 is arranged on the auxiliary valve body 2, so There are two valve seats 3, a sphere 4 between the two valve seats 3, a valve stem 5 is arranged on the top of the sphere 4, and the valve stem 5 is arranged on the main valve body 1 On the valve stem seat 6, the surface of the main valve body 1 is provided with a PE anti-corrosion and anti-collision layer 7. The PE anti-corrosion and anti-collision layer 7 is integrally formed by injection molding. The thickness of this anti-corrosion and anti-collision layer is not less than 5mm, which effectively prevents The metal surface of the valve is corroded and collided; the inlet and outlet of the a...

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Abstract

The invention relates to an anticorrosion and anti-collision steel ball valve structure. The anticorrosion and anti-collision steel ball valve structure comprises a main valve body. An auxiliary valve body is arranged in the main valve body. Valve seats are arranged on the auxiliary valve body. Two valve seats are arranged. A ball body is arranged between the two valve seats. A valve rod is arranged at the top of the ball body. The valve rod is arranged on a valve rod seat on the main valve body. Anticorrosion and anti-collision polyethylene (PE) coatings are arranged on the surface of the main valve body and the surface of the auxiliary valve body. The anticorrosion and anti-collision PE coatings are integrally formed through injection molding. By the adoption of the structure, the anticorrosion and anti-collision PE coatings are arranged on the surface of the main valve body and the surface of the auxiliary valve body in an injection molding mode and the thickness of the anticorrosion and anti-collision coatings is greater than or equal to 5 mm, and the anticorrosion and anti-collision PE coatings are made of PE plastic, so that the metal surfaces of the valve are effectively protected from corrosion and collision.

Description

technical field [0001] The invention relates to a ball valve in the technical field of valve production and manufacturing, in particular to an anti-corrosion and anti-collision steel ball valve structure. Background technique [0002] At present, the anti-corrosion structure of steel valves used in the domestic urban gas transmission and distribution pipeline network is generally a sprayed paint structure. Due to the limitations of various factors such as valve structure, spraying equipment and methods, it may result in poor paint bonding rate and uneven spraying. , thus affecting the surface anticorrosion of the steel valve and reducing the service life of the valve; and during the installation process of the steel valve, the anticorrosion layer on the outer surface of the valve may be knocked off by sharp objects, and even leave a concave hole on the valve body. The pit reduces the wall thickness of the valve body; thereby affecting the reliability and safety of the valve....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K27/06F16K5/06F16K5/08F16K5/20
CPCF16K27/067F16K5/0657F16K5/08F16K5/201
Inventor 孔新明张红军徐利民周欣华
Owner SUZHOU GAS EQUIP & VALVES MFG
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