The invention provides a cabin door locking mechanism for a helicopter, which comprises an outer handle assembly, an inner handle assembly, a lock box assembly and a lock seat assembly, and is characterized in that the outer handle assembly comprises an outer lock disc, an outer handle, a button, a first swing arm, a first spring shaft with a first spring, a tension spring and a second swing arm; the outer handle automatically rotates outwards by an angle under the transmission effect that the tension spring pulls the first swing arm, an operator can hold the outer handle conveniently, and when the outer handle is held to continue to rotate outwards, the second swing arm can be driven to rotate in a linkage mode to pull the steel wire rope, so that the lock box assembly and the lock seat assembly can be unlocked; the inner handle assembly comprises an inner lock disc, an inner handle and a second spring shaft, and the second spring shaft can drive the second swing arm to rotate under driving of the inner handle and can also pull the steel wire rope to enable the lock box assembly and the lock seat assembly to be unlocked. The cabin door locking mechanism for the helicopter is good in overall operation and control effect and can be applied to cabin doors of invisible helicopters.

    本发明提供了一种直升机用舱门锁闭机构,包括外把手组件、内把手组件、锁盒组件以及锁座组件,其中,外把手组件包括外锁盘、外把手、按钮、第一摆臂、具有第一弹簧的第一弹簧轴、拉簧以及第二摆臂,当外把手解锁时,外把手在拉簧拉动第一摆臂的传动作用下自动向外转出一个角度,方便操作人员握持,当握住外把手继续向外转动时,能联动带动第二摆臂转动来拉动钢丝绳,使锁盒组件能够与锁座组件解锁;内把手组件包括内锁盘、内把手以及第二弹簧轴,第二弹簧轴在内把手带动下能带动第二摆臂转动,也能拉动钢丝绳使锁盒组件能够与锁座组件解锁。本直升机用舱门锁闭机构整体操作和控制效果良好,可应用在隐身直升机的舱门上。


    Access

    Download


    Export, share and cite



    Title :

    Helicopter cabin door locking mechanism


    Additional title:

    直升机用舱门锁闭机构


    Contributors:
    LI BINGBO (author) / SHI SONGCHAO (author) / LIN TIANYING (author)

    Publication date :

    2024-09-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    E05B LOCKS , Schlösser / B64C AEROPLANES , Flugzeuge



    LOCKING MECHANISM FOR HELICOPTER TAIL CABIN DOOR

    CHEN JINHONG / LE MEIJIAN / HAO XINXIN et al. | European Patent Office | 2024

    Free access

    Locking mechanism for helicopter tail cabin door

    CHEN JINHONG / LE MEIJIAN / HAO XINXIN et al. | European Patent Office | 2024

    Free access

    Helicopter cabin door with window opening and closing self-locking mechanism

    YI CHUANJIANG / ZHU GUOFU / YI CHENXIN et al. | European Patent Office | 2022

    Free access

    Locking mechanism for front cabin door and rear cabin door

    XIE DAN / LI YOU / LIN TIANYING | European Patent Office | 2024

    Free access

    Automatic locking structure and automatic locking device for helicopter sliding cabin door

    LIU JINSONG / SUN ZHIDAN / CHEN JIEFU et al. | European Patent Office | 2021

    Free access