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Method for fixing sealing strips on rectangular airtight isolating valve

A fixing method and technology of sealing strips, which are applied in the direction of lifting valves, valve devices, engine components, etc., can solve problems such as valve sealing failure, impact leakage, and sealing rubber strip falling off, so as to ensure sealing performance, improve production efficiency, and fixation methods simple effect

Inactive Publication Date: 2021-08-03
江苏盾安环控系统有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the valve is opened and closed many times (the blades are in contact with and separated from the sealing strip for many times), there is a risk that the sealing rubber strip will fall off, causing the sealing failure of the valve and affecting leakage

Method used

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  • Method for fixing sealing strips on rectangular airtight isolating valve
  • Method for fixing sealing strips on rectangular airtight isolating valve

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Embodiment Construction

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0020] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "another end" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that ...

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Abstract

The invention discloses a method for fixing sealing strips on a rectangular airtight isolating valve. The method comprises the following steps that A, firstly, bolt holes are drilled in valve seats through a drilling machine; B, holes are drilled in the sealing strips, and the positions of the holes in the sealing strips correspond to the positions of the bolt holes in the valve seats; C, the sealing strips are clamped to the valve seats, and the holes in the sealing strips correspond to the bolt holes; D, bolts sequentially penetrate through the bolt holes in the valve seats and the holes in the sealing strips; and E, the sealing strips are fastened through nuts and gaskets. The method is simple, the bolt holes are formed in the valve seats, the bolts penetrate through the sealing strips, and the sealing strips are fastened through the bolts, the nuts and the gaskets. Thus, the sealing strips cannot fall off from valve seat grooves even if the valve is opened and closed for many times and a blade makes contact with and is separated from the sealing strips for many times, the sealing performance of the valve is ensured, and the production benefit is improved.

Description

technical field [0001] The invention relates to the technical field of sealing strip fixing, in particular to a method for fixing a sealing strip on a rectangular airtight isolation valve. Background technique [0002] Isolation valves are on-off valves, which are only in two states of open or closed. Unlike on-off valves, they basically have a requirement for leakage levels. Relatively speaking, the safety requirements are higher than those of the switch valve, and some parts also have higher requirements for the opening and closing speed. It should be said that it is a valve that emphasizes fluid separation on both sides and higher safety. Many parts without special requirements use on-off valves. [0003] At present, on the rectangular airtight isolation valve, the sealing rubber strip is directly stuck in the valve seat groove. After the valve is opened and closed for many times (the blades are in contact with and separated from the sealing strip for many times), ther...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K1/46F16K1/42
CPCF16K1/465F16K1/42
Inventor 袁其林吁鹏飞胡鹏夏云龙
Owner 江苏盾安环控系统有限公司
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