A handlebar-free bicycle comprises a bicycle frame, a saddle, a direction wheel, a driving wheel, a brake system and a power system used for driving the driving wheel to rotate, the driving wheel is arranged at the front end of the bicycle frame, the direction wheel is arranged at the rear end of the bicycle frame, a tail pipe is arranged at the rear end of the bicycle frame, a rear fork is hinged into the tail pipe, the direction wheel is installed at the lower end of the rear fork, and the power system is arranged between the rear fork and the rear end of the bicycle frame. A direction control device is arranged and comprises a direction sleeve arranged at the rear end of a frame, a direction lower pipe is hinged in the direction sleeve, a direction upper pipe is arranged at the upper end of the direction lower pipe, a backrest is fixedly connected to the top end of the direction upper pipe, a driving gear is fixedly connected to the upper end of the direction lower pipe, and a driven gear is fixedly connected to the upper end of a rear fork. The driven gear is meshed with the driving gear; the backrest is positioned above the rear part of the saddle and corresponds to the waist part; and the riding direction is comfortably controlled by controlling the backrest through the waist.
一种无车把自行车,包括车架、车座、方向轮、主动轮、刹车系统、以及用于驱动主动轮转动的动力系统,其中,主动轮设置在车架前端,方向轮设置在车架后端,车架后端设置有尾管,尾管内铰接有后叉,后叉下端安装有方向轮,在后叉与车架后端之间,设置有方向控制装置,方向控制装置包括一条设置在车架后端的方向套管,方向套管内铰接有方向下管,方向下管上端设置有方向上管,方向上管顶端固接有靠背,在方向下管上端,固接有主动齿轮,在后叉上端,固接有从动齿轮,从动齿轮与主动齿轮相啮合;靠背位于车座后上方的对应于腰部处;通过腰部对靠背的控制舒适地控制骑行方向。
Handlebar-free bicycle
一种无车把自行车
2023-08-25
Patent
Electronic Resource
Chinese
IPC: | B62K Fahrräder , CYCLES |
Bicycle handlebar clamp and bicycle handlebar clampassembly
European Patent Office | 2018
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