The invention belongs to the technical field of aviation, and relates to a lock capable of closing and opening a floor emergency observation opening cover by hands without tools. The lock comprises abolt assembly and a nut assembly device. The bolt assembly comprises a handle, a half-round head bolt, a screw, a quick-release lock split washer, a quick-release lock ejector rod and a lug piece. Thenut assembly is composed of a spring, a nut and a quick-release lock clamping plate. The lock overcomes the defects in the prior art, does not need tools, and can conveniently disassemble and assemble an emergency observation opening cover of the floor.

    本发明属于航空技术领域,涉及一种不用工具,徒手能关闭、打开地板应急观察口盖的锁。包括螺栓组件,螺母组件装置。螺栓组件包括手柄,半圆头螺栓,螺杆,快卸锁开口挡圈,快卸锁顶杆,耳片组成;螺母组件由弹簧,螺母,快卸锁卡板组成。本发明克服了现有技术中的不足,提供一种不需要工具,拆装方便地板应急观察口盖的锁。


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    Title :

    Floor emergency opening cover lock


    Additional title:

    一种地板应急口盖锁


    Contributors:
    ZHANG QIUYAN (author) / WANG YINJI (author) / LU QINGSHENG (author) / MOU MINGCHUAN (author) / CHEN LIYUAN (author) / SONG YUNXIA (author) / CHEN LEI (author) / WANG KANG (author) / CAI HUI (author)

    Publication date :

    2020-05-22


    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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