The invention relates to the technical field of vehicles, in particular to an electric automobile rear axle box assembly which comprises a rear axle and a speed change assembly, and the speed change assembly comprises a gearbox, a differential mechanism and two half shafts; the gearbox is arranged on the side edge of the rear axle, and the gearbox is arranged in the gearbox. The gearbox is directly installed on the rear axle, one end, provided with an external spline, of each half shaft is inserted into an internal spline of a half shaft gear of the differential mechanism, the other end of each half shaft is connected with a hub on the rear axle, the number of the half shafts is two, and the two half shafts are connected with a left half shaft gear and a right half shaft gear of the differential mechanism respectively. And meanwhile, the weight of the electric automobile can be reduced, the use space is reduced, the electric automobile is suitable for the light-weight and light-weight development direction, the weight of the electric automobile is reduced, and the effects of energy conservation, emission reduction and consumption reduction are achieved.
本发明涉及车辆技术领域,具体涉及一种电动汽车后桥桥箱总成,包括后桥和变速组件,变速组件包括变速箱、差速器和两个半轴;变速箱设置在后桥侧边,变速箱设置在变速箱内部;变速箱直接安装于后桥上,半轴带有外花键的一端插在差速器的半轴齿轮内花键上,另一端与后桥上的轮毂联接,半轴有两根,分别与差速器的左右半轴齿轮联接,通过将变速箱安装在后桥上,具有保护变速箱的作用,同时能够减轻电动汽车的重量,减少使用空间,适应电动汽车向轻量化、轻便化发展方向,电动汽车重量的减轻,起到节能、减排、降耗的作用。
Rear axle box assembly of electric automobile
一种电动汽车后桥桥箱总成
2024-04-12
Patent
Electronic Resource
Chinese
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