The invention belongs to the technical field of pedal motorcycles, and relates to a speed change structure of a pedal motor.The speed change structure comprises a driving wheel assembly installed on an engine crankshaft, the crankshaft is sequentially sleeved with a speed change driving gear, a speed change sleeve and a fixing disc, and the speed change driving gear is rotationally connected with the crankshaft and driven by a stepping motor; an outer threaded sleeve is formed on the side, close to the movable disc, of the variable-speed driving gear, a variable-speed driving disc fixed relative to the transmission box body in the circumferential direction is connected to the outer threaded sleeve in a threaded mode, the variable-speed sleeve, the fixed disc and the crankshaft are in transmission connection and rotate synchronously, and the movable disc is arranged on the variable-speed sleeve in a sliding mode and rotates synchronously with the variable-speed sleeve. When the stepping motor drives the variable-speed driving gear to rotate, the variable-speed driving disc moves axially and drives the movable disc abutting against the variable-speed driving disc to generate axial displacement. The speed change structure of the pedal motorcycle has the advantages of being simple in structure, accurate in speed change and low in cost.
本发明属于踏板摩托车的技术领域,涉及一种踏板摩托车的变速结构,包括安装于发动机曲轴上的主动轮总成,所述曲轴上依次套设有变速驱动齿轮、变速套筒和固定盘,所述变速驱动齿轮与曲轴转动连接并通过步进电机驱动,所述变速驱动齿轮靠近活动盘的一侧成型有外螺纹套,所述外螺纹套上螺接有相对于变速器箱体周向固定的变速驱动盘,所述变速套筒、固定盘与曲轴传动连接并同步转动,所述活动盘滑移设置在变速套筒上并与之同步转动,所述步进电机驱动变速驱动齿轮转动时,变速驱动盘轴向移动并带动与之抵触的活动盘产生轴向位移。本发明提供的踏板摩托车的变速结构,具有结构简单,变速准确,成本低廉的优点。
Speed change structure of pedal motorcycle
一种踏板摩托车的变速结构
15.10.2024
Patent
Elektronische Ressource
Chinesisch
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