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Multifunctional variable-speed racing bicycle for travelling

A multi-functional, variable-speed gear technology, applied in vehicle gearboxes, vehicle components, wheeled transmissions, etc., can solve problems such as labor, off-chain, broken chain, increase speed, etc., to solve frequent off-chain and broken chain, Reduce the effect of gravity arm and avoid friction

Active Publication Date: 2015-06-03
于贵富
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] No matter the existing bicycles are ordinary bicycles, mountain bikes, road racing cars and various modified bicycles, they are all driven by chains. The chain-driven bicycles have various disadvantages, such as off-chain and broken chains, which often occur; The most important thing for a racing car is high speed, labor-saving and lightness. However, due to the force point and force arm of the chain-driven bicycle, it is impossible to increase the speed of this type of bicycle, and it is very laborious to use the highest speed.

Method used

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  • Multifunctional variable-speed racing bicycle for travelling
  • Multifunctional variable-speed racing bicycle for travelling
  • Multifunctional variable-speed racing bicycle for travelling

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Embodiment Construction

[0015] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments:

[0016] like Figure 1 to Figure 4 As shown in the figure, the multifunctional touring speed change racing car of the present invention includes a bicycle frame 1, a front fork 2, a handlebar 3, a front wheel 4, a rear wheel 5 and a saddle 6. An active transmission gear 12 connected to the crank is provided, the pedal on the crank is stepped on to drive the active transmission gear 12 to rotate, the rear axle 13 is provided with a fly gear 14 linked with the rear wheel 5, and the active transmission gear 12 and the fly gear 14 are arranged between There is a transmission shaft 15 , the transmission shaft 15 is fixed on the bicycle frame 1 through the casing, and the two ends of the transmission shaft 15 are respectively provided with transmission gears meshing with the driving gear 12 and the fly gear 13 . Since the active transmission gear 12 ...

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PUM

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Abstract

The invention discloses a multifunctional variable-speed racing bicycle for travelling. The racing bicycle comprises a bicycle frame, a front fork, a handle, a front wheel and a rear wheel, wherein a middle shaft of the bicycle frame is provided with a driving variable gear connected with a crank, a rear shaft is provided with a flying gear linked with the rear wheel, a driving shaft is arranged between the driving variable gear and the flying gear and the two ends of the driving shaft are provided with driving gears engaged with the driving variable gear and the flying gear. According to the racing bicycle provided by the invention, the problems that a chain is frequently to drop off, break off and the like in the driving process can be solved by changing chain driving into gear driving of the bicycle; meanwhile, a gravity arm can be reduced, and a power arm between a middle shaft crank and a gear lever that the feet of a rider can pedal to can be improved, therefore 35% labor saving can realized than the highest speed of the chain driving bicycle, and the speed is faster; furthermore, the handle is provided with a head supporting device, a rotary ancon and a damping device, therefore, the fatigue and jolting of the head and hands of the rider can be reduced in the course of long-distance riding; in addition, by adopting a damping rotary saddle, the friction of the crotch can be prevented, and the riding comfort can be improved.

Description

【Technical field】 [0001] The present invention relates to a bicycle, in particular to a multi-functional touring variable-speed racing car. 【Background technique】 [0002] Existing bicycles, whether they are ordinary bicycles, mountain bikes, road racing bicycles and various modified bicycles, are driven by chains, and chain-driven bicycles have various disadvantages, such as chain off and broken chains, etc. The most important thing in racing is high speed, labor saving and lightness. However, due to the force point and the moment arm of the chain drive bicycle, it is impossible for this type of bicycle to increase the speed, and it is very laborious to use the highest speed. [Content of the invention] [0003] The purpose of the present invention is to overcome the deficiencies in the prior art, and to provide a fast, labor-saving and comfortable multi-functional tourist variable speed racing car. [0004] The object of the present invention is achieved as follows: it i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62M11/04
CPCB62M11/04
Inventor 于贵富
Owner 于贵富
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