To provide a car door device for an elevator enabling a pair of door panels moving on an arc trajectory to open/close at the same timing when driven by using a single motor.SOLUTION: A car door device for an elevator includes: a pair of door panels provided to be movable on an arc trajectory; and an opening/closing device for causing the pair of door panels to come in contact with/separation from each other. The opening/closing device includes: a motor; a pair of rack gears directly or indirectly coupled to the corresponding door panels; a pair of pinion gears engaged with the corresponding rack gears; and a driving transmission mechanism for transmitting driving of the motor to the pinion gears. The pair of rack gears is formed to have an arc shape corresponding to the trajectory. A distance from the engagement position between one rack gear and one pinion gear to a curvature center of the arc trajectory and a distance from the engagement position between the other rack gear and the other pinion gear to the curvature center of the arc trajectory is identical or approximately identical to each other.SELECTED DRAWING: Figure 2

    【課題】 本発明は、単一のモータで駆動しても、円弧状の軌道で移動する一対のドアパネルの開閉タイミングを合わることのできるエレベータのかご用ドア装置を提供する。【解決手段】 本発明は、円弧状の軌道上で移動可能に設けられた一対のドアパネルと、一対のドアパネルを接離させる開閉装置とを備え、開閉装置は、モータと、対応するドアパネルに対して直接的又は間接的に連結された一対のラックギアと、対応するラックギアに噛合する一対のピニオンギアと、ピニオンギアに対してモータの駆動を伝達する駆動伝達機構とを備え、一対のラックギアは、軌道と対応して円弧状に形成され、一方のラックギアと一方のピニオンギアとの噛合位置から円弧状の軌道の曲率中心までの距離と、他方のラックギアと他方のピニオンギアとの噛合位置から円弧状の軌道の曲率中心までの距離が同一又は略同一である。【選択図】図2


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    Title :

    CAR DOOR DEVICE FOR ELEVATOR


    Additional title:

    エレベータのかご用ドア装置


    Contributors:
    WANG ZHOU (author)

    Publication date :

    2019-03-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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