The invention discloses an automatic degradation variable-level variable-speed transmission bicycle, and the bicycle comprises a bicycle support; a middle shaft is installed on the bicycle support, a middle shaft chain wheel set is installed on the middle shaft, and the middle shaft chain wheel set is composed of three chain plates different in size. A rear axle of the bicycle is provided with a tower footing, a sun gear is fixedly installed on the tower footing, a planet carrier is arranged on one side of the sun gear, and a planet double-gear sub-gear is installed in the planet carrier. The bicycle is easy to start, capable of running at a high speed, diversified in function and reliable in running; the maintenance is convenient; the cost is low; the bicycle is energy-saving and environment-friendly, has a good market prospect, and brings great convenience to a bicycle rider. The characteristics of the first-stage transmission device and the second-stage transmission device are integrated, the bicycle can be easily started and climb a slope and can be ridden at a high speed, and the second-stage transmission state can be automatically converted into the first-stage transmission state in the riding slowing-down and parking state, so that it is guaranteed that the bicycle has better riding experience.

    本发明公开一种自动降级变级变速传动自行车,包括自行车支架,所述自行车支架上安装有中轴,所述中轴上安装有中轴链轮组,所述中轴链轮组由三个大小不同的链盘组成;自行车的后轴设有塔基,所述塔基上固定安装有太阳轮,所述太阳轮一侧设有行星架,所述行星架内安装有行星双子齿轮,本发明容易启动,且能高速运行,功能多样,运行可靠;维修方便;成本低廉;节能环保,有很好的市场前景,给骑自行车的人带来极大的便利。本发明综合了一级和二级传动装置的特点,很好地解决了自行车既可以轻松启动和上坡,又能高速骑行,可以在骑行变慢和停车状态下让二级传动状态自动转换为一级传动状态,以确保自行车具有较好的骑行体验。


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    Titel :

    Automatic degradation, stage change and speed change transmission bicycle


    Weitere Titelangaben:

    一种自动降级变级变速传动自行车


    Beteiligte:
    LI SHOUJIN (Autor:in)

    Erscheinungsdatum :

    2021-06-18


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



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