The invention discloses an elevator preventing a car door from being opened when an elevator car stops at a dangerous height. The elevator comprises landing doors arranged on all layer stations and the elevator car which is arranged in an elevator shaft and can move vertically. Each landing door comprises a landing door upper door sleeve located at the upper end of the landing door, and a landing door sill located at the lower end of the landing door. Landing door heads are arranged above the landing door upper door sleeves, and working gaps are formed between the elevator car and the landing doors. The elevator car comprises an elevator car sill located at the bottom of the elevator car, the car door located above the elevator car sill, and a foot protection plate arranged below the elevator car sill. The landing door heads are provided with door head blocking pieces, and the door head blocking pieces protrude in the working gaps. The car door is provided with car door blocking pieces corresponding to the door head blocking pieces, and the car door blocking pieces protrude in the working gaps. When the elevator car stops at the dangerous height, the door head blocking pieces block the car door blocking pieces to prevent the car door from being opened, and therefore safety accidents that personnel in the car fall into the shaft are avoided, the use safety of the elevator is improved, and meanwhile the structure is simpler and can be easily additionally arranged on the elevator in use.


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    Title :

    Elevator preventing car door from being opened when elevator car stops at dangerous height


    Contributors:
    HUANG DONGLING (author) / LIU DONGYANG (author) / GUO WENQI (author) / QIU LIMIAN (author)

    Publication date :

    2015-12-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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