The invention relates to a hub reduction gear, a rear axle assembly and a vehicle, and the hub reduction gear comprises a body which comprises a shell with a containing cavity and a connecting piece arranged on the shell; the central shaft is rotatably inserted into the shell; the center wheel comprises a first bevel gear and a second bevel gear which are opposite in rotation direction. A plurality of transmission gear shafts; the first transmission gears and the second transmission gears are in one-to-one correspondence with the transmission gear shafts, and each first transmission gear is rotationally arranged on the first section of the corresponding transmission gear shaft in a sleeving mode and meshed with the first bevel gear; each second transmission gear is rotatably arranged on the second section of the corresponding transmission gear shaft in a sleeving mode and meshed with the second bevel gear. According to the hub reduction gear, the connecting piece is fixedly connected to the shell, so that the shell and the connecting piece do not need to be connected through a fastener, assembly of the hub reduction gear is simplified, meanwhile, the overall weight of the hub reduction gear is reduced, and light-weight design of a vehicle can be achieved easily.

    本申请涉及一种轮边减速器、后桥总成及车辆,轮边减速器包括:本体,包括具有一容纳腔的壳体和设于壳体上的连接件;中心轴,可转动地插设于壳体;中心轮,包括旋向相反的第一斜齿轮和第二斜齿轮;多个传动齿轮轴;与传动齿轮轴一一对应的多个第一传动齿轮和多个第二传动齿轮,每一第一传动齿轮可转动地套设于对应的传动齿轮轴的第一段,且与第一斜齿轮彼此啮合;每一第二传动齿轮可转动地套设于对应的传动齿轮轴的第二段,且与第二斜齿轮彼此啮合。上述的轮边减速器,通过将连接件固定连接于壳体上,使得不用通过紧固件连接壳体和连接件,简化了轮边减速器的装配,同时也减轻轮边减速器的整体重量,从而有利于实现车辆的轻量化设计。


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    Title :

    Hub reduction gear, rear axle assembly and vehicle


    Additional title:

    轮边减速器、后桥总成及车辆


    Contributors:
    FENG TAO (author) / WANG LIANG (author)

    Publication date :

    2023-08-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F16H Getriebe , GEARING / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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