The invention discloses an active speed limiting device for an automobile tire. The device comprises a tread, a hub is fixedly connected to the inner surface of the tread, a gear disc is fixedly connected to the interior of the hub, the gear disc is rotationally connected with the hub, an air inlet is formed in the outer surface of the gear disc, and a pressing plate is rotationally connected to the front face of the air inlet. According to the active speed limiting device for the automobile tire, the braking mechanism is installed in the hub, when a trip computer detects that braking is not responded, the pressing plate gets close to the gear disc, the top block opens the air inlet, and external cold air flows in from the outer surface of the transmission shaft; since the transmission shaft and an external tire surface rotate together, cold air is extruded into a pneumatic mechanism in a multi-section mode under extrusion of rubber stop blocks, external air provides power for the pneumatic mechanism and also provides a cooling effect for a brake disc of an automobile, braking is assisted, the corresponding time of the brake disc is shortened, and the problem that a traditional automobile brake pad is too hot to cause brake failure easily is solved.

    本发明公开一种汽车轮胎主动限速装置,包括胎面,所述胎面的内表面固定连接有轮毂,所述轮毂的内部固定连接有齿轮盘,所述齿轮盘与轮毂转动连接,所述齿轮盘的外表面开设有进风口,所述进风口的正面转动连接有压板。该汽车轮胎主动限速装置,通过在轮毂的内部安装制动机构,当行车电脑检测到制动无响应时,压板向齿轮盘靠近,顶块将进风口打开,外界的冷风从传动轴的外表面流入,由于传动轴和外界胎面一起转动,所以冷风在橡胶挡块的挤压下多段挤入气动机构内部,外界空气在为气动机构提供动力的同时也为汽车本身的刹车盘提供冷却效果,在辅助刹车的同时也在缩短刹车盘的相应时间,解决了传统汽车刹车片过热容易导致刹车失灵的问题。


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    Title :

    Active speed limiting device for automobile tire


    Additional title:

    一种汽车轮胎主动限速装置


    Contributors:
    ZHOU HAO (author)

    Publication date :

    2021-09-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF



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