The invention provides an inner fixed shaft transmission for a bicycle, which comprises a first transmission part, a second transmission part and a driving body, wherein the first transmission part comprises a first rotating body, a second rotating body and a first fixed shaft for supporting the first rotating body, and the first rotating body can be in transmission connection with the second rotating body in the moving process; the second transmission part comprises a third rotating body in transmission connection with the first rotating body and a fourth rotating body in transmission connection with the second rotating body; the driving body is used for transmitting manual driving force to the first rotating body; and the first transmission part further comprises a fifth rotating body intransmission connection with the third rotating body and a sixth rotating body in transmission connection with the fourth rotating body. The fixed-shaft change gear train composed of the first transmission part, the second transmission part and the driving body serves as a main body, the gear modulus can be increased while the boundary dimension is met, the bending strength is greatly improved, and the service life of the transmission is prolonged.
本发明提供一种自行车用内定轴变速器,包括:第一传递部、第二传递部以及驱动体,其中,第一传递部包括第一旋转体、第二旋转体以及用于支撑第一旋转体的第一定轴,第一旋转体在移动的过程中可与第二旋转体实现传动连接;第二传递部包括与第一旋转体传动连接的第三旋转体和与第二旋转体传动连接的第四旋转体;驱动体用于向所述的第一旋转体传递人力驱动力;所述的第一传递部还包括与第三旋转体传动连接的第五旋转体和与第四旋转体传动连接的第六旋转体,本发明以第一传递部、第二传递部以及驱动体所组成的定轴变速轮系为主体可以在满足外形尺寸的同时能增加齿轮模数,使弯曲强度大大增强,增加变速器的使用寿命。
Inner fixed shaft transmission for bicycle
一种自行车用内定轴变速器
2020-08-21
Patent
Electronic Resource
Chinese
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |
Quick-detaching structure of inner transmission fixing shaft for bicycle
European Patent Office | 2015
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