The invention relates to a gear assembly (10) for a cassette flywheel, comprising: at least one first gear (12) and a second gear (13) concentric with the first gear (12), the number of teeth (14) of the second gear being greater than the number of teeth (14) of the first gear (12); a radially inner cylindrical portion (16) for engaging the sprocket support; a plurality of spokes (19) comprising a respective first constraining portion (20) engaged to the first gear (12) and a respective second constraining portion (21) engaged to the radially inner cylindrical portion (16); a plurality of connecting bodies (25) connecting the first gear (12) and the second gear (13) and having an axially extending portion (26); wherein a respective connecting body (25) is provided at at least one pair of spokes (19), the axial extension (26) of which has an extension (ECC) in the circumferential direction, the radial projection of which is at least partially contained in the minimum extension (EMR) of the respective spoke (19) in the circumferential direction.

    本发明涉及一种用于卡式飞轮的齿轮组件(10),包括:至少一个第一齿轮(12)和与第一齿轮(12)同心的第二齿轮(13),第二齿轮的齿(14)的数目大于第一齿轮(12)的齿(14)的数目;径向内圆柱形部分(16),其用于接合链轮支撑体;多个轮辐(19),其包括相应的接合到第一齿轮(12)的第一约束部分(20)和接合到径向内圆柱形部分(16)的相应的第二约束部分(21);多个连接体(25),其连接第一齿轮(12)和第二齿轮(13)并具有轴向延伸部分(26);其中在至少一对轮辐(19)处设有相应的连接体(25),其轴向延伸部分(26)具有在周向方向上的延伸(ECC),所述在周向方向上的延伸(ECC)的径向投影至少部分地被包含在相应的轮辐(19)在周向方向上的最小延伸(EMR)中。


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    Title :

    Gear assembly for cassette flywheel


    Additional title:

    用于卡式飞轮的齿轮组件


    Contributors:

    Publication date :

    2022-05-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F16H Getriebe , GEARING / B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer



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