Fixed core adapter valve and self-sealing adapter assembly using same

Abstract

The invention relates to a fixed core adapter valve and a self-sealing adapter assembly using the same. The fixed core adapter valve comprises a valve body and a valve seat which is assembled at the rear end of the valve body; the valve body is internally provided with a valve core which is fixedly connected to the valve seat; a sliding sleeve is sleeved on the valve core movably in an anti-running mode along the front and back direction; a restoration spring is installed between the rear end of the sliding sleeve and a valve body or a valve seat at the top; the valve core is provided with a valve core seal section; the valve core is internally provided with a medium channel; the medium channel is provided with a medium inlet which is positioned at the rear end of the valve core and is used for receiving media in the corresponding pipeline and a medium outlet which is positioned at the periphery of the valve core seal section; the sliding sleeve is provided with a sliding sleeve seal section which is used for sliding seal coordination with the valve core seal section to seal the medium outlet; and the sliding sleeve is provided with a starting stroke which slides backward to startthe medium outlet. Through the fixed core adapter valve provided by the invention, the seal performance of the fixed core adapter valve is improved greatly, and further the problem of poor seal performance of the prior self-seal adapter is solved.

Description

technical field [0001] The invention relates to a fixed core joint valve and a self-sealing joint assembly using the fixed core joint valve. Background technique [0002] In some large-scale equipment in the field of aviation or navigation, the hydraulic servo mechanism is bulky and heavy, and most of them need to be connected with relatively long pipelines. This kind of servo mechanism must undergo strict performance tests before installation. Due to the limitations of the installation site , it is often necessary to transport it to other sites for testing and testing. At present, the pipelines of most servo mechanisms are usually connected by nuts, which causes great inconvenience to the transportation and field test installation of the servo mechanism. Not only transportation, It is troublesome to disassemble and the pipeline is prone to torsion and misalignment, thereby reducing the reliability of the product. [0003] In order to solve the above problems, various self-...

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Problems solved by technology

[0006] The purpose of the present invention is to provide a fixed core joint valve to solve the problem of poor sealing performance of existing self-sealing joints; at the same time, the purpose of the present invention is also to provide a self-sealing joint assembly using the above-mentioned fixed core joint valve

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