The invention discloses a double-beam slider linkage folding box type tricycle. The double-beam slider linkage folding box type tricycle comprises double beams, a folding piece, a slider, two groove-shaped connecting pieces, a front frame, a front fork piece, a lower connecting bar, an upper connecting bar, a seat tube, a saddle, a V-shaped folding handle, a front wheel, a rear axle, two rear wheels and a drive mechanism, the front ends of the double beams are connected with the folding piece while the rear ends are connected with a rear axle seat, the folding piece is connected with the front frame, one groove-shaped connecting piece is welded on the front pipe of the front frame, middles of the double beams are connected with the slider in a sliding mode, the slider is connected with the lower connecting bar and upper connecting bar, the lower connecting bar is connected with the front pipe in groove shape, the seat tube is connected with the double beams and folding piece, the groove-shaped connecting piece is welded on the seat tube, the seat tube is connected with the saddle, the groove-shaped connecting piece of the seat tube is connected with the upper connecting bar, the front fork piece is composed of a front fork tube, a five-way tube, a left wheel fork piece and a right wheel fork piece in a welding mode, the front fork tube is connected with the front tube of the front frame, the front frame is connected with the front fork piece, the rear axle seat is connected with the rear axle, the rear axle is connected with two rear wheels, the V-shaped folding handle is firmly connected with the front fork tube, and the drive mechanism is connected with the five-way tube and front wheel.
Double-beam slider linkage folding box type tricycle
2015-04-08
Patent
Electronic Resource
English
IPC: | B62K Fahrräder , CYCLES |
Linkage folding structure of child tricycle and child tricycle
European Patent Office | 2021
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