The invention discloses a rear wheel driving system of an electric motorcycle. The rear wheel driving system comprises a frame, a motor, a single-side bottom fork, a rear wheel, a shock absorber, a speed reducer, a transmission shaft and a driving shaft. By the adoption of the technical scheme, the motor is installed on the frame in the mode that the motor can swing up and down in the front-back direction, then the single-side bottom fork is fixedly installed on the motor, installation reliability of the motor and the single-side bottom fork is guaranteed, damping installation is achieved in cooperation with the damper, and due to running fit of the motor and the frame, the service life of the motor is prolonged. Parts, matched with the motor, of the frame can be designed to be completely symmetrical, and therefore the number of parts, needing to be subjected to mold opening, of the frame can be reduced; moreover, the single-side bottom fork is not used for installing a motor any more, the requirement for the structural strength of the single-side bottom fork is lowered, the service life of the single-side bottom fork is prolonged, the stability and reliability of a rear wheel driving system of the electric motorcycle are improved, the shaft transmission assembly can be assembled on the single-side bottom fork more easily, and the installation reliability of the shaft transmission assembly is improved.

    本发明公开了一种电动摩托车后轮驱动系统,包括车架、电机、单边平叉、后轮、减震器、减速器、传动轴和驱动轴。采用以上技术方案,先将电机能够沿前后方向上下摆动地安装在车架上,再将单边平叉固定安装在电机上,不仅保证了电机和单边平叉安装的可靠性,又配合减震器实现减震安装,并且,由于电机与车架的转动配合,能够将车架与电机配合安装的部件设计得完全对称,从而能够减少车架需开模零部件的数量;而且,单边平叉不再用于安装电机,不仅降低了对单边平叉结构强度的要求,延长了单边平叉的使用寿命,提升了电动摩托车后轮驱动系统的稳定性和可靠性,而且更易于将轴传动组件装配到单边平叉上,提高了轴传动组件安装的可靠性。


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    Title :

    Rear wheel driving system of electric motorcycle


    Additional title:

    电动摩托车后轮驱动系统


    Contributors:

    Publication date :

    2022-07-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer / B62K Fahrräder , CYCLES / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



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