The invention provides an airplane airtight cabin drain valve comprising a valve body assembly, a valve element assembly and a mounting seat, the valve body assembly comprises a valve body with a valve cavity and at least one set screw part, the side wall of the lower end portion of the valve body is provided with at least one valve body water inlet, and the lower end face is provided with a valve body drain hole; and the valve element assembly comprises a valve element and a compression spring part. The mounting seat comprises a mounting seat main body with a valve body mounting cavity, at least one mounting seat water inlet is formed in the side wall of the lower end portion of the mounting seat main body, a mounting seat internal thread is arranged on the inner surface of the valve body mounting cavity, and a first valve body external thread is arranged on the outer surface of the valve body; and the valve body is rotatably mounted in the valve body mounting cavity in the mode that the first valve body external thread is matched with the mounting seat internal thread, at least one set screw hole is formed in the side portion of the mounting seat main body, and when the lower end surface of the valve body is flush with the outer side surface of a fuselage skin, the tail end portion of the set screw part extends into the valve body mounting cavity and is tightly pressed on the outer surface of the valve body.

    本发明提供了一种飞机气密舱排水阀,包括:阀体组件,包含具有阀腔的阀体、以及至少一个紧定螺钉件,阀体的下端部的侧壁上设有至少一个阀体进水孔,下端面设有阀体排水孔;阀芯组件,包含阀芯以及压缩弹簧件;以及安装座,其中,安装座包含具有阀体安装腔的安装座主体,该安装座主体的下端部的侧壁上设有至少一个安装座进水口,阀体安装腔的内表面设有安装座内螺纹,阀体的外表面设有第一阀体外螺纹,阀体通过该第一阀体外螺纹和安装座内螺纹相配合的方式可转动地安装在阀体安装腔内,安装座主体的侧部设有至少一个紧定螺钉孔,当阀体的下端面与机身蒙皮的外侧面平齐时,紧定螺钉件的末端部伸入到阀体安装腔内并紧压在阀体的外表面上。


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    Title :

    Airplane airtight cabin drain valve


    Additional title:

    飞机气密舱排水阀


    Contributors:
    LIU RUOSI (author) / TU YOULIN (author) / YAO PENGTAO (author)

    Publication date :

    2021-09-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F16K VALVES , Ventile / B64C AEROPLANES , Flugzeuge



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