A fluted disc type multi-point driving power device without changing a bottom bracket of a bicycle comprises a power mechanism and a crankset, and is characterized in that the crankset comprises a fixed part and a rotating part; the fixed part is installed on one side of a five-way pipe of a bicycle, and the fixed part and the rotating part are connected through a bearing. A cavity is formed in the rotating part, an inner gear ring is arranged on the inner wall of the cavity, and teeth are arranged on the outer wall of the rotating part; the power mechanism comprises a driving gear; the driving gear is mounted on the fixed part to rotate, the driving gear is in meshed connection with the inner gear ring, and the driving gear rotates to drive the rotating part to rotate on the fixed part; the device can be inserted and assembled in a frame five-way pipe of a general specification in the market and can be matched with frames and chain wheel type driving structures of most specifications in the market, the installation process is simplified, interference to a bicycle structure is reduced, and the transformation cost and the installation cost are reduced; and the torque of the chain wheel is improved in a multi-point driving mode, so that riding is easier.

    一种不改变自行车五通的齿盘式多点驱动动力装置,包括动力机构和牙盘,其特征在于,所述牙盘包括固定部和转动部;所述固定部安装在自行车的五通管上的一侧,固定部与转动部之间设有轴承连接;所述转动部内部设有腔室,腔室的内壁上设有内齿圈,转动部的外壁设有齿牙;所述动力机构包括驱动齿轮;所述驱动齿轮安装在固定部上转动,且驱动齿轮与内齿圈啮合连接,通过驱动齿轮的转动带动转动部在固定部上旋转;该装置能够插入装配在市场上通用规格的车架五通管内,能够适配市面上大多数规格的车架,牙盘式驱动结构,简化安装过程,减少对自行车结构的干扰,降低改造成本和安装成本;多点驱动的方式提高牙盘的扭矩,使得骑行更轻松。


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    Title :

    Fluted disc type multi-point driving power device without changing bottom bracket of bicycle


    Additional title:

    一种不改变自行车五通的齿盘式多点驱动动力装置


    Contributors:
    LU WENFENG (author)

    Publication date :

    2024-02-20


    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







    Bicycle fluted disc

    HUANG ZITAI | European Patent Office | 2020

    Free access