The present invention discloses an elevator car door lock with an unlocking device, an elevator door motor and a car door system. The elevator car door lock comprises a rotating hook device, a servo hook, the unlocking device and a limiting plate, wherein the rotating hook device is installed on a door motor cross beam, does not move along with car doors, and can rotate with respect to the door motor cross beam around a rotating center of the rotating hook device; the servo hook is installed on the car door and moves along with the car door; the unlocking device is installed on the other car door and moves along with the other car door; and the limiting plate is installed on the door motor cross beam and does not move along with the car doors. During emergency rescues, the car door lock can be opened or kept at an open state by pulling a pull rope, thereby effectively responding to the situation that the rotating hook of the car door lock is at the door motor cross beam. An elevator door motor and a car door system with the elevator car door lock with the unlocking device are also disclosed.


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    Title :

    Elevator car door lock with unlocking device, elevator door motor and car door system


    Contributors:
    JIANG JI (author)

    Publication date :

    2016-01-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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