A sealing structure for a cabin door of an airplane can realize an airtight function and a liquid-tight function in the cabin. The sealing device is arranged between a cabin door (1) and a door frame (2) of the cabin and comprises a main sealing cavity (31) which is communicated with the cabin interior (5) through a ventilation hole (314), a root (311), facing the door frame (2), of the main sealing cavity (31) is connected to the door frame (2) in a sealing mode through a fixing base (34), and a sealing tongue piece (33) which is connected to the main sealing cavity (31), is in a hook shape and extends towards the inner side of the cabin. A concave first matching supporting part (11) corresponding to the sealing tongue piece in shape is formed in the position, corresponding to the sealing tongue piece, of the cabin door, a sealing groove (36) sunken towards the door frame side is formed in the connecting position of the sealing tongue piece and the main sealing cavity, and a second matching supporting part (12) protruding towards the door frame side is formed in the position, corresponding to the sealing groove, of the cabin door.

    一种用于飞机的舱门的密封结构,能实现舱内的气密功能和液密功能。其设置于机舱的舱门(1)与门框(2)之间,包括主密封腔体(31),其经由通气孔(314)与舱内(5)连通,且主密封腔体(31)的面向门框(2)的根部(311)经由固定底座(34)密封连接于门框(2),包括密封舌片(33),其连接于主密封腔体(31),呈钩状,并向舱内侧延伸,在舱门的与密封舌片对应的部位形成有与密封舌片的形状对应的凹状的第一配合支承部(11),在密封舌片与主密封腔体的连接处形成有向门框侧凹陷的密封凹槽(36),在舱门的与密封凹槽对应的部位形成有向门框侧突出的第二配合支承部(12)。


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    Title :

    Sealing structure for cabin door of airplane


    Additional title:

    一种用于飞机的舱门的密封结构


    Contributors:
    ZHU YIHONG (author) / LU PENGFEI (author) / YANG SHUAISHUAI (author) / WU YANG (author) / SHEN JIAHAO (author)

    Publication date :

    2025-04-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



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