The invention belongs to the technical field of elevator products, and in particular, relates to an outer manual unlocking device of an elevator car locking hall. The device comprises a car door upper sill, a car door lifting plate, a floor door lifting plate and a floor door lock, wherein the car door upper sill is provided with a car door guide rail for sliding the car door lifting plate; a door knife is mounted on the car door lifting plate, and is provided with a car door latch component movably hinged to the door knife; the car door latch component fits a locking position of a locking base fixed on the car door upper sill; and the door knife is provided with an unlocking component for releasing the car door latch component on the door knife from the locking position on the locking base when the floor door lock is opened manually. The device can prevent the rescue difficulty caused by forgetting taking a tool, and facilitates to improve the rescue efficiency; and in addition, the device has the advantages of simple and compact structure, reliability, practicability, low manufacturing cost, safety and reliability in use, convenience for use, simple operation, no need of additionally arranging the tool and facilitation of promoting the brand image.


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    Title :

    Outer manual unlocking device of elevator car locking hall


    Contributors:
    DENG HAOBIN (author) / HUO JUNCHAO (author) / CHEN CHANGWEI (author) / ZHANG XIAOLING (author)

    Publication date :

    2015-07-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS




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