The invention discloses a fastening screw with a safety function in aviation, the fastening screw is applied to aviation carrying equipment, the aviation carrying equipment at least comprises a wing component, the screw is mounted on the wing component, and the screw structurally comprises a head component and a screw rod component connected to the first end of the head component. The outer surface of the screw rod component is sequentially connected with a first sleeve component, a first limiting component, a second limiting component, a second sleeve component and a nut component from the first end. Wherein the first sleeve component and the second sleeve component are the same in structure, the first sleeve component comprises a first body, a first through groove is formed in the first body, a protruding component is arranged on the inner wall of the first through groove, and the protruding component is made of a memory metal material and has a first state and a second state; the first state size is smaller than the second state size.

    本发明公开了一种航空上具有保险功能的紧固螺钉,运用于航空运载设备,所述航空运载设备至少包括机翼构件,所述螺钉安装于翼构件,所述螺钉的结构包括头部构件,和连接于头部构件第一端的螺杆构件,所述螺杆构件的外表面从第一端开始依次连接有第一套构件、第一限位构件、第二限位构件、第二套构件和螺母构件;其中,所述第一套构件和第二套构件的结构相同,所述第一套构件包括第一本体,所述第一本体开设有第一通槽,所述第一通槽内壁布置有凸起构件,所述凸起构件为记忆金属材质,具备第一状态和第二状态,第一状态的尺寸小于第二状态尺寸。


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    Title :

    Fastening screw with safety function in aviation


    Additional title:

    一种航空上具有保险功能的紧固螺钉


    Contributors:
    ZHAO LINGJIE (author) / ZHU HANHUA (author) / ZHU JIN (author)

    Publication date :

    2023-11-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile / B64C AEROPLANES , Flugzeuge



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