Folding bicycle

Abstract

The invention discloses a folding bicycle which comprises handlebars, handlebar tubes, a cross beam, a saddle, a saddle tube, a lock, a driving wheel, a handlebar shaft, handlebar tube sleeves, a saddle shaft, a first gear, a first gear shaft, a second gear, a second gear shaft, a secondary beam, a rear frame and two driven wheels, wherein the handlebar tube sleeves are fixedly connected with the cross beam; one end of each handlebar tube is connected with the handlebar through the handlebar shaft; the other end of the handlebar tube penetrates through the handlebar sleeve and is connected with the driving wheel; pedals are arranged on the driving wheels; the first gear is arranged on the cross beam; the first gear shaft is connected with the auxiliary beam and the first gear; the second gear is arranged on the saddle tube; the second gear shaft is connected with the auxiliary beam and the second gear; the cross beam and the saddle tube move relative to the auxiliary beam; the saddle is movably connected with the saddle tube through the saddle shaft; and the lock is arranged at the end part of the saddle tube. The auxiliary beam is fixedly connected with the rear frame; and the driven wheels are arranged at two ends of the rear frame. Due to the adoption of the structure, the folded bicycle has a more compact structure so as to be convenient to daily store; and in addition, the handle is arranged on the cross beam, thus the folding bicycle is more convenient to move.

Description

technical field [0001] The invention belongs to the field of bicycles, in particular to a portable folding bicycle. Background technique [0002] In many foreign countries, cycling tourism has become a very common way to go out and play. It can not only exercise the body, but also enjoy the scenery along the way calmly. In recent years, with the increase of people's awareness of environmental protection, it is the trend of the times to choose to burn fat instead of burning gasoline. Folding bicycle is as a kind of bicycle, and its structure is simple, and the characteristic that takes up little space after folding is subjected to more and more favors of people. [0003] Existing folding bicycle comprises: vehicle frame, vehicle seat, handlebar, front wheel, rear wheel, pedal and crank sprocket, and wherein vehicle frame can be folded in half, and its two ends fix front and rear wheel respectively, and vehicle frame top is provided with Sleeve, the sleeve is provided with f...

AI Technical Summary

Problems solved by technology

[0007] In view of this, the present invention provides a portable folding bicycle, which is used to solve the problem that some parts of the existing folding bicycle are still in a protruding state after being folded, making it inconvenient to store, lift and other daily operations.

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