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Low-temperature self-sealing connector

A self-sealing and connector technology, which is applied in the connection with fluid cut-off device, pipe/pipe joint/fitting, passing components, etc. It can solve the problems of large size, inconvenient docking operation, and inapplicable pneumatic valve opening, etc., to achieve The effect of reducing the burden of operation and facilitating docking

Inactive Publication Date: 2017-02-15
SHANGHAI AEROSPACE SYST ENG INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a low-temperature self-sealing connector to solve the existing low-temperature self-sealing connector, which has a large flow resistance in the self-sealing mode, is not suitable for pneumatically opening the valve, and is inconvenient for docking operation due to its large size. The problem

Method used

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  • Low-temperature self-sealing connector

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Embodiment Construction

[0023] In order to better illustrate the present invention, the present invention will be described in detail with a preferred embodiment and with accompanying drawings, specifically as follows:

[0024] like figure 1 , image 3 As shown, the low-temperature self-sealing connector provided in this embodiment includes a ground part A and an arrow-up part B, and there is a joint surface C between the ground part A and the arrow-up part B. The low-temperature self-sealing connector is used for a low-temperature filling pipe The connection between the road and the low-temperature valve on the arrow, specifically, the ground part A includes: a medium transport chamber 4 provided in the ground outer shell 3, the medium transport chamber 4 is provided with an air passage chamber, and the air passage chamber A self-sealing control assembly is provided inside, the drive output end of the self-sealing control assembly is connected to the first end of the self-sealing cylinder 11, the s...

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Abstract

The invention provides a low-temperature self-sealing connector which comprises a ground segment and an on-arrow segment. The ground segment comprises a medium transporting cavity arranged in a ground outer shell body, a self-sealing control assembly is arranged in the medium transporting cavity and used for driving a self-sealing barrel to further drive a self-sealing part, and a self-sealing ejection rod is arranged on the self-sealing part; and the on-arrow segment comprises an ejection rod supporting base, one end of the ejection rod supporting base is fixed to an on-arrow inner shell body, the other end of the ejection rod supporting base is used for being in contact with the self-sealing ejection rod so as to support the self-sealing ejection rod, and the on-arrow inner shell body is arranged on an on-arrow outer shell body. The self-sealing part is used for being in butt joint with a step hole in the medium transporting cavity, and sealing of the medium transporting cavity is achieved; when an air way cavity is inflated, air pressure pushes the self-sealing control assembly to drive the self-sealing barrel so as to drive the self-sealing part to be away from the on-arrow part, so that the self-sealing part is separated from the step hole, and opening of the self-sealing face is achieved. The sealing face is driven by air to be opened, operation loads during butt joint are reduced, and butt joint is convenient.

Description

technical field [0001] The invention relates to the related technical field of launch vehicle filling equipment, in particular to a low-temperature self-sealing connector. Background technique [0002] The low-temperature self-sealing connector is mainly used for the connection between low-temperature medium tanks, low-temperature storage tanks of launch vehicles and other equipment and low-temperature medium transmission pipelines. Its main function is to connect low-temperature valves and low-temperature hoses to ensure reliable sealing during filling. , After the filling is completed, it will fall off reliably, and after falling off, it will prevent the leakage of low-temperature medium in the ground pipeline, etc. In the existing low-temperature self-sealing connectors in the field of launch vehicles, there are two self-sealing methods. One is a self-sealing connector with a push rod that is used with a passive opening valve. The end face seal of the front end of the ti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L29/02F16L51/03
CPCF16L29/02F16L51/03
Inventor 孙俊成袁菲孟长建李淼徐华卿子友周遇仁张亮
Owner SHANGHAI AEROSPACE SYST ENG INST
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