The invention discloses a roller part. The roller part comprises a base block, a roller shaft, a roller and a roller carrier; the roller carrier is mounted at the bottom of an object; the head end ofthe roller shaft is pivoted with the roller frame; the tail end of the roller shaft is pivoted with the base block, the roller is mounted on the roller shaft, a turntable is fixed on the roller shaft,a gear ring is arranged on the turntable, the gear ring is meshed with the gear, a gear brake mechanism is arranged beside the gear, the gear brake mechanism comprises a friction brake part and a support platform, and the friction brake part is movably matched on the support platform; a rotary drum is pivoted to the base block, a protruding part is arranged on the inner side wall of the rotary drum, the friction brake part is located in the rotary drum, and the protruding part can act on the friction brake part to enable the friction brake part to slide along the support platform to make friction contact with the gear. The rotary drum intermittently rotates in the same direction, locking and unlocking of the roller are achieved, and convenience is provided for a user to stop and move an object.

    本发明公开了一种滚轮件,包括基块、滚轮轴、滚轮、滚轮架,滚轮架安装在物体的底部,滚轮轴的首端与滚轮架枢接,滚轮轴的尾端与基块枢接,滚轮安装在滚轮轴上,滚轮轴上固定有转盘,转盘上设有齿圈,齿圈与齿轮啮合,齿轮旁侧设有齿轮制动机构,齿轮制动机构包括摩擦制动部分和支撑平台,摩擦制动部分活动配合在支撑平台上;基块上枢接有转筒,转筒的内侧壁上设有凸部,所述摩擦制动部分位于转筒内,所述凸部能够作用于所述摩擦制动部分,使其沿支撑平台滑动而与所述齿轮摩擦接触。本发明通过转筒沿同一方向间歇性地转动,实现滚轮的锁定和解锁,为使用者静止和移动物体提供了便利。


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    Title :

    Roller part


    Additional title:

    一种滚轮件


    Contributors:
    XIN HAIYONG (author)

    Publication date :

    2020-11-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge



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