The door change gear comprises a metal hub and a polyurethane outer ring arranged on the outer side of the metal hub, a through hole is formed in one side of the metal hub, an anti-disengaging part is arranged on one side of the through hole, a bearing is arranged in the metal hub, and the bearing and the metal hub are connected through riveting process treatment. A bearing is arranged on the outer wall of the metal hub, a bush is arranged on the inner wall of the bearing, the metal hub further comprises a groove, the groove is formed in the middle of the outer wall of the metal hub, a groove protrusion is fixed to the interior of the groove in an adhesive mode, the groove protrusion and the polyurethane outer ring are integrally formed, and first planes are arranged on the two sides of the outer wall of the metal hub. According to the door change gear for the elevator, the bonding strength between the polyurethane outer ring and the metal hub during operation of the door change gear can be effectively improved, so that the stripping resistance of the polyurethane outer ring is improved, and the door change gear is safe and stable.

    本发明公开了一种升降电梯用门挂轮,包括金属轮毂和设置在金属轮毂外侧的聚氨酯外圈,所述金属轮毂的一侧开设有通孔,所述通孔的一侧设置有防脱部,所述金属轮毂的内部设置有轴承,且轴承和金属轮毂之间通过铆压工艺处理连接,所述轴承的内壁设置有衬套,还包括凹槽,其开设在所述金属轮毂外壁的中间位置处,所述凹槽的内部粘连固定有凹槽凸起,所述凹槽凸起与聚氨酯外圈一体成型,所述金属轮毂外壁的两侧均开设有第一平面。该升降电梯用门挂轮可以有效提升门挂轮运行聚氨酯外圈和金属轮毂间的结合强度,使得聚氨酯外圈的抗剥离力提升,既安全又稳定。


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    Title :

    Door change gear for elevator


    Additional title:

    一种升降电梯用门挂轮


    Contributors:
    ZHU SHUJUAN (author)

    Publication date :

    2023-05-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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