Effort-saving bicycle with telescopic foot rest lever

Abstract

The invention discloses an effort-saving bicycle with a telescopic foot rest lever. The effort-saving bicycle is characterized in that an oval guide rail is installed on the outer left side and the outer right side of a chain wheel of a bicycle middle shaft, a linear bearing is installed on the outer side of the oval guide rail portions at the left end and the right end of the bicycle middle shaft, a linear guide rail foot rest lever is installed in a sliding groove of the linear bearing, a middle-rear section of the linear guide rail foot rest lever is located in the sliding groove of the linear bearing, a foot rest plate is installed at the front end of the foot rest lever, a shifting shaft is fixed to the middle-front portion of the linear guide rail foot rest lever, a shifting bearingis installed at the other end of the shifting shaft, the shifting shaft is located in a guiding groove of the oval guide rail, the shifting bearing rolls along the guiding groove of the oval guide rail, and the linear guide rail foot rest lever is driven to perform extensible motion through the shifting shaft. The effort-saving bicycle has the advantages that the effort-saving bicycle saves very much effort, can be ridden for a long time in a long-distance mode, especially has the more excellent mountain land climbing performance, makes movements, work and outgoing of people lower in carbon and more environmentally friendly, makes riding easier and saves effort in riding.

Description

technical field [0001] The invention relates to a telescopic pedal rod labor-saving bicycle and a duck egg round telescopic guide rail driving device. technical background [0002] At present, the vast majority of bicycles are driven by chains, and a small number are driven by shafts. Whether it is chain driven or shaft driven, the length of their pedal rods is fixed. Generally, 165mm is used. Taking chain transmission as an example, when the left and right When the feet alternately step on the pedals to make a circular motion, the pedaling force is transmitted to the crankset through the pedal rod and the central shaft, which drives the crankset to rotate counterclockwise, and transmits the force to the fixed flywheel on the right side of the rear wheel through the chain, and the flywheel in turn The force is transmitted to the outer ring of the rear wheel through the hub and spokes of the rear wheel axle, so that the rear wheel turns counterclockwise, thereby driving the b...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the defect that the telescopic pedal rod labor-saving bicycle is not smooth enough to ride, and the continuity is poor, so as to achieve the purpose of saving more labor

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