Gear-driven bicycle

A gear transmission and bicycle technology, which is applied to bicycle accessories, bicycle brakes, wheel transmissions, etc., can solve the problems of high noise, large energy loss of chain transmission, and easy chain elongation, etc.

Inactive Publication Date: 2019-04-26
JINHUA VOCATIONAL TECH COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main advantages of chain drive are low cost, long-distance transmission, and adaptability to harsh environments. However, chain drive bicycles also have disadvantages, mainly reflected in the fact that the chain is easy to elongate and lose the chain, the energy loss of chain drive is large, and the noise is large, etc.

Method used

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  • Gear-driven bicycle
  • Gear-driven bicycle
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Examples

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Embodiment 1

[0031] like figure 1 , the gear transmission bicycle includes the front brake handle 1, the rear brake handle 2, the handlebar 3, the seven-piece bowl 4, the front fork 5, the front wheel 6, the vehicle frame 7 , the gear transmission assembly 28 , the seat cushion 8 , the buckle 9 and the rear wheel 10 .

[0032] like Figure 4 , Figure 5 , the vehicle frame 7 has the neck tube 29, the seat cushion down tube 30, the left circular hole I31, the left bearing hole 34, the left circular hole II32, the left circular hole III33, the Right circular hole I35, said right bearing hole 38, said right circular hole II36 and said right circular hole III37. The left circular hole I31, the left circular hole II32, the right circular hole I35 and the right circular hole II36 are coaxial. The left circular hole III33, the left bearing hole 34, the right circular hole III37 and the right bearing hole 38 are coaxial.

[0033] The front wheel 6 is installed on the front fork 5, and the fro...

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PUM

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Abstract

The invention relates to a walk replacement tool for leisure sports and particularly relates to a gear-driven bicycle. According to the gear-driven bicycle, the accelerated advancing is realized through gear transmission when pedals are trodden by two feet. The gear-driven bicycle comprises a front braking handle, a rear braking handle, a bicycle handle, a seven-unit assembly, a front wheel, a bicycle frame, a gear-driven assembly, a cushion, a hasp and a rear wheel. The gear-driven bicycle is novel in conception, reasonable in structure, convenient to operate and comfortable to ride, the noise is low, the labor is saved, and the gear-driven bicycle is interesting.

Description

technical field [0001] The invention relates to a walking-replacing tool for leisure sports, in particular to a gear-driven bicycle that accelerates forward through gear transmission when both feet step on the pedals. Background technique [0002] Bicycle is a very common means of transportation for leisure sports. Common bicycle utilizes both feet to step on the pedals to realize the acceleration of the rear wheels through chain transmission. The main advantages of chain drive are low cost, long-distance transmission, and adaptability to harsh environments. However, chain drive bicycles also have disadvantages, mainly reflected in the fact that the chain is easy to elongate and lose the chain, the energy loss of chain drive is large, and the noise is large. With the strengthening of people's awareness of fitness and environmental protection, more and more people choose to travel by bicycle in the city and travel short distances. In addition to the further popularization of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62M11/04B62L3/02
CPCB62M11/04B62L3/02
Inventor 杨绍荣李新广倪冠杰滕处睦
Owner JINHUA VOCATIONAL TECH COLLEGE
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