A z-shaped folding type entertainment tricycle comprises a body frame, a folding frame, a handlebar, a saddle, a steering axle, a front wheel, two rear wheels and a driving mechanism. The body frame is composed of a stringer pipe, an inclined connecting pipe, a bottom bracket, a front fork and a revolving drum in a welded manner, wherein the folding frame is formed by a bottom base, a top base, a front bar, a rear bar and a lock-joint element in a connected manner. The bottom base is connected to the inclined connecting pipe through welding, the top base is connected to the rear lower part of the handlebar through welding, the lock-joint element is arranged at the lower part of the front bar and jointed with a U-shaped notch of the bottom base in a locking manner, the rear end of the handlebar is connected with the saddle, the steering axle comprises a rear axle tube, a rear axle shaft and a tension spring, the rear axle tube is connected with the revolving drum in a rotating manner, the rear axle shaft is penetrated into the rear axle tube, the rear wheels are connected with two ends of the rear axle shaft, the tension spring is connected with a rear lug of the steering axle and a front lug thereof arranged on the body frame, the front wheel is mounted at the front end of the front fork, and the driving mechanism comprises a center axle, a crank, a crankset, treadles, a flywheel and a chain which are mounted on the bottom bracket and the front wheel.
Z-shaped folding type entertainment tricycle
2015-12-23
Patent
Electronic Resource
English
IPC: | B62K Fahrräder , CYCLES |
X-shaped folding swing handlebar bent type electric tricycle
European Patent Office | 2015
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