The invention relates to a bicycle, in particular to a child bicycle which comprises a frame, a rotating frame, a front wheel, cranks, pedals, a holding rod, a seat bag and the like, the rotating frame is rotatably connected to the left portion of the frame, the front wheel is rotatably connected to the lower portion of the rotating frame, the cranks are connected to the circle centers of the front side and the rear side of the front wheel, and the pedals are rotatably connected to the cranks. A holding rod is slidably arranged on the left portion of the frame, the lower end of the holding rod and the upper end of the rotating frame are step-shaped and make contact with each other, and a seat bag is connected to the top of the frame. The rotating shaft can be driven to rotate through rotation of the output shaft of the motor, the two rear wheels are unfolded, the rotating shaft can be driven to rotate reversely through reverse rotation of the output shaft of the motor, the two rear wheels are folded, the state of the bicycle is adjusted so that the bicycle can adapt to children of different age groups, operation is easy, and therefore time can be saved.
本发明涉及一种脚踏车,尤其涉及一种儿童用脚踏车,包括有车架、旋转架、前轮、曲柄、踏板、握杆和座包等,车架左部转动式连接有旋转架,旋转架下部转动式连接有前轮,前轮前后两侧的圆心处均连接有曲柄,曲柄上均转动式连接有踏板,车架左部滑动式设有握杆,握杆下端和旋转架上端均为阶梯状,握杆下端和旋转架上端接触,车架顶部连接有座包。本发明通过电机的输出轴转动可以带动转轴转动,将两个后轮展开,电机的输出轴反向转动可以带动转轴反向转动,将两个后轮收起,调整本脚踏车的状态,以便适应不同年龄段的儿童,且操作较为简单,从而能够节省时间。
Bicycle for children
一种儿童用脚踏车
2023-12-15
Patent
Electronic Resource
Chinese