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Soft seal fixed ball valve turning-out-preventing valve carrier

A fixed ball valve, soft sealing technology, applied in the direction of valve devices, cocks including cut-off devices, engine components, etc., can solve the problem that the sealing effect of the soft sealing seat is deteriorated, and the mechanical properties of the soft sealing material such as elasticity, hardness, tensile strength are affected. and other problems, to achieve the effect of enhancing sealing performance and reliability, and reliable sealing

Inactive Publication Date: 2014-05-21
WOTAI VALVE KUSN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If it is rolled first and then plated, the temperature and chemical corrosion during plating will affect the mechanical properties of the soft seal material such as elasticity, hardness, tensile strength, etc., making the sealing effect of the soft seal seat worse.

Method used

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  • Soft seal fixed ball valve turning-out-preventing valve carrier
  • Soft seal fixed ball valve turning-out-preventing valve carrier

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0020] Embodiment: A soft-seal fixed ball valve anti-turning-out valve seat, including a valve seat support ring 1 and a valve seat soft seal ring 2, the valve seat support ring has a ring of soft-seal valve seat grooves, and the valve seat soft-seal The ring is embedded in the soft seal valve seat groove.

[0021] Each side wall of the soft seal valve seat groove is provided with a barb 3 . When the soft sealing ring of the valve seat is pressed into the soft sealing seat groove, the barbs are inlaid and squeezed into the soft sealing ring of the valve seat, preventing the soft sealing ring of the valve seat from turning out due to medium pressure and impact.

[0022] The groove bottom of the soft seal valve seat groove is provided with several ribs 4 with a triangular cross section. After the soft sealing ring of the valve seat is pressed into the groove, the convexity can effectively enhance the sealing performance and reliability of the soft sealing ring of the valve seat...

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PUM

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Abstract

The invention discloses a soft seal fixed ball valve turning-out-preventing valve carrier. The soft seal fixed ball valve turning-out-preventing valve carrier comprises a valve carrier supporting ring and a valve carrier soft seal ring, wherein the valve carrier supporting ring is provided with a ring of soft seal valve carrier groove, and the valve carrier soft seal ring is embedded in the soft seal valve carrier groove. Primarily, the side wall of the soft seal valve carrier groove is provided with barbs. In addition, the bottom of the soft seal valve carrier groove can be provided with protruding ribs, a fire-proof seal grease injection system of the valve carrier is improved, and the seal inclined surface of the valve carrier supporting ring is provided with the seal groove with the arc transverse section. Therefore, the soft seal fixed ball valve turning-out-preventing valve carrier resolves the problem of a contradiction between rolling and electroplating when the soft seal fixed ball valve carrier is assembled, the fire-proof grease injection effect is improved, the valve carrier is assembled more conveniently, the structure is simpler, the process is more reasonable, and seal performance is enhanced.

Description

technical field [0001] The invention belongs to the field of ball valve structures, and in particular relates to a valve seat structure capable of preventing a soft sealing ring from turning over. Background technique [0002] The ball valve is mainly a valve that is opened and closed by rotating a ball with a hole 90 degrees around the axis of the valve stem. Because the channel diameter is the same as the inner diameter of the pipe, the fluid resistance is small, the switch is quick and convenient, the sealing reliability is high, the service life is long, and it is widely used. Existing ball valves are divided into soft seal and hard seal according to the material of the sealing surface. [0003] Most of the materials used for soft sealing ball valve seats are plastics, such as: PTFE (polytetrafluoroethylene), PEEK (polyether ether ketone), NYLON (nylon), DEVLON (Teflon) and other relatively rigid and hard materials. Made of plastic material. [0004] When the soft-sea...

Claims

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Application Information

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IPC IPC(8): F16K5/08
CPCF16K5/08F16K5/20
Inventor 金凤禄邹宁谢挺于成亮李水平徐振海
Owner WOTAI VALVE KUSN
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