The invention relates to the technical field of bicycles, in particular to an electric bicycle which comprises a foldable bicycle frame, a front pipe arranged at the front end of the bicycle frame, a seat pipe arranged at the rear end of the bicycle frame and rear forks arranged on the two sides of the rear end of the bicycle frame and bent downwards in an arc mode, the bicycle frame is hollow in a cuboid shape and internally provided with a storage battery, a vertical pipe is movably installed in the front pipe, and the vertical pipe is movably connected with the seat pipe. A handlebar and a damping front fork are installed at the upper end and the lower end of the vertical pipe respectively, a front wheel set is installed at the bottom of the damping front fork, a middle pipe is installed on one side of the bottom of the seat pipe, pedals are installed on the two sides of the middle pipe through cranks, a crankset is further installed on the crank on one side, and a rear wheel set with a hub motor is installed at the bottom of the rear fork. A flywheel and a derailleur are installed on one side of the hub motor, and the chain wheel, the flywheel and the derailleur are sequentially connected through a chain in a transmission mode. The electric bicycle can adapt to cross-country climbing road conditions, has a folding function and is small in occupied space.

    本发明涉及自行车技术领域,特别涉及一种电动自行车,包括可折叠的车架、设在车架前端的前管、设在车架后端的座管和设在车架后端两侧呈向下弧形弯折的后叉,所述车架呈长方体中空设置且内置有蓄电池,所述前管内活动安装有立管,所述立管上下两端分别安装有车把和减震前叉,所述减震前叉底部安装有前轮组,所述座管底部一侧安装有中管,所述中管两侧通过曲柄安装有脚踏,一侧的所述曲柄上还安装有牙盘,所述后叉底部安装有带轮毂电机的后轮组,所述轮毂电机一侧安装有飞轮和拨链器,所述牙盘、飞轮和拨链器依次通过链条传动连接。通过本发明的电动自行车能够适应越野爬坡路况,并且具有折叠功能,占用空间小。


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    Titel :

    Electric bicycle


    Weitere Titelangaben:

    一种电动自行车


    Beteiligte:
    YANG FUQIANG (Autor:in) / XIE SENCHU (Autor:in) / CHEN ZHIYI (Autor:in)

    Erscheinungsdatum :

    2022-11-29


    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 / B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS / B62K Fahrräder , CYCLES / B62L BRAKES SPECIALLY ADAPTED FOR CYCLES , Bremsen, besonders für Fahrräder oder Motorräder ausgebildet



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