The invention discloses a rim-free bicycle. The rim-free bicycle comprises a frame, a hub-free front wheel, a hub-free rear wheel, pedals, pedal gears, rear wheel gears and a chain. A rim is removed, the bicycle frame is directly erected on the hub supporting ring plates on the two sides of the hub steel ring, the pedal gears are driven to rotate by treading the pedals, the rear wheel gears are driven to rotate through the chain, the hub steel ring is driven to rotate, and the bicycle can walk without the rim; therefore, the overall weight of the bicycle is lighter than that of a traditional bicycle, wind resistance is small in the riding process, riding is convenient, and meanwhile the problems that according to an existing bicycle with a hub, four limbs and clothes of a passenger are likely to be twisted into the hub of the bicycle, the bicycle cannot normally walk, the clothes of the passenger are damaged, and the riding comfort is poor are solved. And the body safety of passengers can be damaged.
本发明公开了一种无轮辋自行车,包括有车架、无轮毂前轮、无轮毂后轮,脚踏板、脚踏板齿轮、后轮齿轮、链条。本发明去掉轮辋,直接将车架架到轮毂钢圈两侧的轮毂支撑圈板上,通过踩脚踏板带动脚踏板齿轮的转动,从而通过链条带动后轮齿轮的旋转,从而带动轮毂钢圈转动,实现无轮辋也可行走,从而使得自行车整体车重相对于传统自行车较为轻便,且骑行过程中受到风阻较小,便于骑行,同时解决了现有有轮毂的自行车容易将乘客的四肢和衣物绞到自行车的轮毂中,不仅导致自行车不能正常的行走,损坏乘客的衣服,并且会伤害到乘客的身体安全的问题。
Rim-free bicycle
一种无轮辋自行车
2023-02-03
Patent
Electronic Resource
Chinese