The invention relates to a labor-saving bicycle. The labor-saving bicycle is composed of a bicycle frame, levers, a driving device, a chain combination body, a driving shaft, a front wheel and a rearwheel. According to the labor-saving bicycle, potential energy generated during bumping of bicycle-mounted weight is utilized, a clockwork spring of the driving device is tightened through the leversto store energy, and then the bicycle is driven through an output shaft and the labor-saving chain combination body, so that the bicycle is driven more effortlessly.
一种省力自行车,由车架、杠杆、驱动装置、链条组合体、驱动轴及前后轮组成,利用车载的重量在颠簸是所产生的势能,通过杠杆上紧驱动装置的发条来储蓄能量,再通过输出轴和省力链条组合体来驱动自行车,使车辆行驶起来更省力。
Labor-saving bicycle
一种省力自行车
2020-11-24
Patent
Electronic Resource
Chinese