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Process for manufacturing high pressure resistant arched sealing member

A technology of manufacturing technology and sealing parts, applied in the field of manufacturing technology of control parts, to achieve the effect of overcoming complex structure, ingenious conception and reasonable technology

Inactive Publication Date: 2008-01-02
SHANGHAI GUANWEI FIRE FIGHTING SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Due to the adoption of the above scheme, it is not difficult to draw the following conclusions: the invention has reasonable process and ingenious conception, and the high-pressure-resistant arched seal directly uses the elasticity and arched shape of the seal material as the back pressure, and has high compressive resistance and physical Make the best use of it, the structure is simple, and it effectively overcomes the defects of the complex structure of the traditional technology, which is of great promotion value

Method used

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  • Process for manufacturing high pressure resistant arched sealing member

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Embodiment Construction

[0008] A manufacturing process of a high-pressure-resistant arched seal mainly includes the following steps: A. providing a body made of elastic material; B. making the end surface of the body arched; C. providing a steel sheet in the body. The structure of the high-pressure-resistant arch seal produced by the present invention will be further described in detail below in conjunction with the accompanying drawings. An arched seal for a high-pressure automatic drain valve is composed of a body 10 made of elastic material. The end surface of the body 10 is arched, and a steel sheet 20 is embedded in the body 10 . The working principle is briefly described below. When water enters the valve body, the water pressure in the body rises, and the arched seal deforms to block the outlet of the drain valve joint. When the valve body is closed, the water pressure in the body drops, the arch seal recovers, and the drain valve joint drains water.

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Abstract

The invention discloses a preparing craft of high against arched sealing element, which comprises the following steps: A, producing a body with elastic material; B, producing the end face of the body as archy; C, providing a steel sheet in the body. This invention possesses reasonable craft, good idea and simple structure, which can be spreaded widely.

Description

technical field [0001] The invention relates to the technical field of valve manufacturing, in particular to a manufacturing process of an automatic opening and closing control part of a drain valve. Background technique [0002] Currently known fire hydrant automatic drain valves basically utilize springs to provide back pressure. When the water pressure in the valve body is high, the water pressure overcomes the spring force, and when the water pressure is low, the spring force overcomes the water pressure, thereby automatically opening and closing the drain valve, and its structure is complicated. Contents of the invention [0003] The object of the present invention is to provide a manufacturing process of a high-pressure-resistant arched seal that can effectively overcome the above-mentioned defects and provide back pressure to automatically open and close the drain valve. [0004] In order to achieve the above object, the present invention adopts the following techn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K7/12
Inventor 管彦信
Owner SHANGHAI GUANWEI FIRE FIGHTING SYST