Chainless bicycle

Abstract

The embodiment of the invention discloses a chainless bicycle which comprises a bicycle frame, a front wheel, a rear wheel, fixing devices, flywheel gears, a speed change reversing gear set, swing arms, a traction rope and a guide wheel, the number of the fixing devices, the number of the flywheel gears and the number of the speed change reversing gear set are two, the swing arms are symmetricallyarranged on the two sides of the rear wheel, and the flywheel gears are fixed to a shaft of the rear wheel. The fixing device is located on the outer side of the flywheel gear, one end of the fixingdevice is arranged on a shaft of the rear wheel in a sleeving mode and fixed to a frame of the rear wheel, the other end of the fixing device is located between a rear wheel shaft and the pedal, the variable-speed reversing gear set and the swing arm are both installed on the fixing device, and a gear is arranged at one end of the swing arm and meshed with the variable-speed reversing gear set. Pedals are installed at the other ends of the swing arms, traction ropes are connected to the pedal sides of the two swing arms and arranged on guide wheels in a sleeving mode, and the guide wheels areinstalled on the frame. A chain is not needed in the part structure, the defects of an existing chain bicycle are overcome, and meanwhile riding safety is guaranteed.

Description

technical field [0001] The invention relates to the field of bicycles, in particular to a chainless bicycle. Background technique [0002] Existing chain bicycles currently on the market have the following disadvantages: one, the chain is sometimes dropped when riding on the chain; two, the oil on the chain is easy to pollute the clothes; Contents of the invention [0003] In view of this, the embodiment of the present invention provides a chainless bicycle to solve the disadvantages of existing bicycles. [0004] The embodiment of the invention discloses a chainless bicycle, which includes a vehicle frame, a front wheel and a rear wheel, and also includes a fixing device, a flywheel gear, a speed change and reversing gear set, a swing arm, a traction rope and a guide wheel, the fixing device, the flywheel gear, There are two shifting and reversing gear sets and swing arms, which are arranged symmetrically on both sides of the rear wheel. The flywheel gear is fixed on the...

AI Technical Summary

Problems solved by technology

[0002] At present, the existing bicycles with chains on the market have the following disadvantages: 1. The chain sometimes falls off when riding on the chain; 2. The oil on the chain is easy to contaminate the clothes;

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