The invention belongs to the technical field of airplane structure design, and particularly relates to a quick-release type onboard emergency cabin door. The cabin door comprises a door body structure (1) and a handle mechanism (2), the door body structure (1) is installed on a door frame (3) of a fuselage wall plate and comprises a cover plate (11), an enclosure frame is arranged on the inner side of the cover plate (11), a longitudinal and transverse framework is arranged in the enclosure frame, a rectangular pin is fixed to the lower portion of the enclosure frame, and a handle rotating shaft support (14) is arranged on the longitudinal and transverse framework; a rotating shaft (23) of the handle mechanism (2) is rotationally connected into a handle rotating shaft support (14), an inner handle (23) is fixed to the rotating shaft (23), the rotating shaft (23) is connected with a bolt (24) through a semi-linkage rocker arm (26), and the bolt (24) penetrates through a bolt guide rail (17) on an enclosure frame of the door body structure and then is inserted into a bolt support (33) above a door frame (3) of a machine body wall plate. The number of parts is greatly reduced, the assembly difficulty is reduced, and the assembly precision is improved.

    本申请属于飞机结构设计技术领域,特别涉及一种快卸式机上应急舱门。该舱门包括门体结构(1)及手柄机构(2),门体结构(1)安装在机身壁板的门框(3)上,包括盖板(11),盖板(11)内侧具有围框,围框内布置有纵横骨架,围框下部固定有矩形销,纵横骨架上设置有手柄转轴支座(14);手柄机构(2)的转轴(23)转动连接在手柄转轴支座(14)内,内手柄(23)固定在转轴(23)上,转轴(23)通过半联动摇臂(26)连接插销(24),插销(24)穿过门体结构的围框上的插销导轨(17)后,插入至机身壁板的门框(3)上方的插销支座(33)内。本申请零件数量大幅度减少,降低了装配难度,提高了装配精度。


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    Title :

    Quick-release type onboard emergency cabin door


    Additional title:

    一种快卸式机上应急舱门


    Contributors:
    WANG BAOFENG (author) / HE SHUMING (author) / LIU XIAOFEI (author)

    Publication date :

    2025-02-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



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