The invention provides a portable quick folding box type bicycle. The portable quick folding box type bicycle comprises a main folding part, a front frame, a five-way tube, two side sheets, a pulling rod, two box body sheets, a saddle tube, a saddle, a front fork, a V-shaped folding handle, a front wheel, a rear wheel and a driving mechanism, wherein the main folding part comprises a folding box and a connecting rod; the front frame comprises a front beam, a front head tube and a locking mechanism; the front beam is that the front head tube is welded at the front end, the locking mechanism is mounted into the middle part, the connecting rod is connected to the rear end, and the folding box is connected to the rear part; the front fork is connected with the front head tube and the front wheel; the locking mechanism is locked to the folding box; the two side sheets mounted to the rear wheel are correspondingly welded to two sides of the folding box; the pulling rod passes through circular holes in the two side sheets; the saddle tube is connected with the folding box and the connecting rod; the saddle is connected to the top part of the saddle tube; the two box body sheets are fixed to the two side sheets; saddle tube positioning twists are mounted at the rear ends of the box body sheets; the V-shaped folding handle is mounted into a tube at the front fork; the driving mechanism comprises an intermediate shaft, two crankshafts, a chain wheel, two pedals, a front-stage minor sprocket, a flywheel, a rear-stage minor sprocket, a front-stage chain and a rear-stage chain.
Portable quick folding box type bicycle
2015-12-23
Patent
Electronic Resource
English
IPC: | B62K Fahrräder , CYCLES |