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Valve base compression mould of chlorine gas valve

A technology of compression mold and valve seat, which is applied in the field of valve seat compression mold, which can solve the problems of weak connection, easy leakage, falling off, etc., and achieve the effects of uniform force, enhanced sealing performance, and reliable positioning

Active Publication Date: 2013-05-08
JIANGSU JINSHENGYUAN SPECIAL VALVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, when most domestic manufacturers produce this product, the valve seat is processed by polytetrafluoroethylene pipe and then heated and molded. The combination is not strong, loose, or even falls off, and it is easy to leak.

Method used

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  • Valve base compression mould of chlorine gas valve

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Embodiment Construction

[0008] Such as figure 1 As shown, the present invention includes a valve seat base 1, an annular outer mold 2, and a step 2-1 is set at the lower end of the annular outer mold 2; the valve seat base 1 is arranged below the valve seat base 1 through the step 2-1; Inside the outer mold 2, a positioning mold core 3 is set above the valve seat base 1, and the lower end of the positioning mold core 3 and the upper end of the valve seat base 1 are arranged through a joint; between the positioning mold core 3 and the annular outer mold 2, it can be slidably arranged Forced molded sleeve 4; on the valve seat base 1 corresponding to the lower end of the stressed molded sleeve 4, an annular groove 1-1 with the same width as the thickness of the stressed molded sleeve 4 is set, and the notch of the annular groove 1-1 The width is smaller than the width of the bottom of the groove; the molded material 5 is set between the lower end of the stressed molded sleeve 4 and the annular groove 1-...

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Abstract

The invention discloses a valve base compression mould of a chlorine gas valve and relates to the technical field of a valve base compression mould tools. The valve base compression mould provided by the invention comprises a valve base basal body and an annular external mould, wherein the lower surface of the annular external mould is provided with steps, and the valve base basal body is matched with the annular external mould and arrange below the annular external mould through the steps; a positioning mould core is arranged in the annular external mould and is arranged above the valve base basal body, and the positioning mould core and the valve base basal body are matched through a rabbet; and a stressing mould pressing sleeve is arranged between the positioning mould core and the annular external mould in a sliding manner, and an annular groove the width of the groove port of which is concurrent with the thickness of the stressing mould pressing sleeve is arranged on the valve base basal body corresponding to the lower end of the stressing mould pressing sleeve. A sealing surface (tetrafluoro ethylene resin part) of the valve base, which is formed by the valve base compression mould through mould pressing and sintering is combined with the valve base basal body firmly without getting loose of falling off, and the sealing surface of the valve base and the valve base basal body are firmly combined together and are corrosion-resistant.

Description

technical field [0001] The invention relates to the technical field of valve seat compression molds. Background technique [0002] At present, most domestic manufacturers use polytetrafluoroethylene pipes to heat and mold the valve seat when they produce this product. The combination is not strong, loose, or even falls off, and it is easy to leak. Contents of the invention [0003] The object of the present invention is to provide a chlorine valve seat compression mold which is firmly combined with the valve seat base, does not loosen, does not fall off, and is corrosion-resistant. [0004] The present invention comprises a valve seat base and an annular outer mold, steps are provided on the lower surface of the annular outer mold; the valve seat base is arranged under the annular outer mold through steps; within the annular outer mold, on the valve seat A positioning mold core is arranged above the base, and the positioning mold core and the valve seat base are arranged ...

Claims

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Application Information

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IPC IPC(8): B29C43/36
Inventor 毛春龙毛金根陈善俊
Owner JIANGSU JINSHENGYUAN SPECIAL VALVE
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