The invention discloses a liquid pipeline pressure exhaust valve which comprises a valve body and a fixing support, the valve body is provided with an upper liquid accumulation cavity and a lower liquid accumulation cavity, a transition cavity is formed between the upper liquid accumulation cavity and the lower liquid accumulation cavity, an exhaust cavity is formed in the top of the upper liquid accumulation cavity, and a liquid inlet cavity is formed in the bottom of the lower liquid accumulation cavity; a through hole is formed in the fixed support, and the valve body penetrates through the through hole in the fixed support through the liquid inlet cavity and is connected with the fixed support in a sealed mode. A floating ball and an exhaust rod are arranged in the lower liquid accumulation cavity, the exhaust rod is connected with the floating ball, a pressing rod extending to the outside of the exhaust cavity is arranged in the exhaust cavity, and the pressing rod is connected with the exhaust rod. The exhaust valve has the advantages of being simple in structure, convenient to operate, light in weight, low in manufacturing cost, convenient to disassemble and replace, capable of accurately mastering the working condition of a pipeline, capable of meeting the conveying requirement of an aircraft fuel system, high in practicability and good in application prospect.

    本发明公开了一种液体管路压力排气阀,包括有阀体和固定支座,所述阀体具有上积液腔体和下积液腔体,在上积液腔体和下积液腔体之间形成有过渡腔体,并在上积液腔体顶部设有排气腔体,而在下积液腔体底部设有与进液腔体;在固定支座中设有通孔,所述阀体通过进液腔体穿过固定支座中的通孔与固定支座密封连接;在下积液腔体内设有浮球及排气杆,所述排气杆与浮球相连接,并在排气腔体内设有延伸至其外部的按压杆,按压杆与排气杆相连接。采用本发明所述的排气阀,具有结构简单,操作方便,并且重量轻,造价低,方便拆卸和更换,还能精确掌握管路的工作状况,能够满足飞机燃油系统输送需求,其实用性强,具有很好的应用前景。


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    Title :

    Liquid pipeline pressure exhaust valve


    Additional title:

    一种液体管路压力排气阀


    Contributors:
    WU JIAXIANG (author) / SHEN FENGCUN (author) / LIU YAMIN (author) / LAN YUKANG (author) / ZHANG XUESHUN (author)

    Publication date :

    2023-01-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F16L PIPES , Rohre / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / F16K VALVES , Ventile



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