Pin tooth transmission device and portable foldable bicycle using the transmission device

A technology of folding bicycles and pin gear transmission, which is applied to foldable bicycles, wheel transmission devices, bicycles, etc., can solve the problems of large size of bicycles, low transmission efficiency, harm to users, etc. Low resistance effect

Inactive Publication Date: 2008-02-27
赵华胜
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Most of the existing bicycles are chain drives, the transmission efficiency is low, and the bicycles using chain drives are bulky
Folding bicycles have appeared in many varieties in recent years, but the existing folding bicycles are still large and cumbersome after being folded
And this folding bicycle is generally heavier than a non-folding bicycle
Most of the existing folding bicycles have chains. After folding, the chains are exposed and make other bicycle parts protrude, so it is easy to stain and hurt the user and his clothes

Method used

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  • Pin tooth transmission device and portable foldable bicycle using the transmission device
  • Pin tooth transmission device and portable foldable bicycle using the transmission device
  • Pin tooth transmission device and portable foldable bicycle using the transmission device

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Embodiment Construction

[0024] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0025] As shown in Figure 1, the pin gear transmission in the bicycle is provided, including the driving wheel 24, the compound pin wheel 4, the driven wheel 26, the pedal crank 23, the central shaft 27, and the central shaft sleeve 19, wherein the driving wheel 24 is connected On the central axis 27, the pedal crank 23 is connected on the central axis 27. When the pedal crank 23 rotates under the action of an external force, it drives the driving wheel 24 to rotate, and the composite pin wheel 4 is a composite pin wheel 4 with a large and small pin wheel. , The pin shaft 50 of the composite pin wheel is additionally provided with a roller 51. This can reduce the wear of the pin wheel and drive wheel. The driving wheel 24 is meshed with the small pin wheel 40 of the compound pin wheel...

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PUM

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Abstract

The invention discloses a pin-gear transmission device, comprising driving wheel, composite pin wheel and driven wheel. The invention also discloses a light folding bicycle adopting the pin-gear transmission device, comprising front pipe module, back pipe module, bicycle frame, wheel and a pin-gear transmission device. The composite pin wheel has big and small pin wheels, which are set together. The back tube module is set on the seat pipe bicycle frame. The driving wheel of pin-gear transmission device is connected to the middle lower part of bicycle frame by middle shaft. Pedal crank is fixed on the middle shaft of driving wheel. The composite pin wheel is matched on the composite wheel shaft. The composite wheel shaft is fixed on V-shape connecting pipe and the driven wheel is set on the back wheel shaft. The invention is provided with small cubage compared with prior folding bicycle. After the bicycle is folded the maximum size is 55cm length, 35cm width and 16cm thickness. The total cubage is 0. 03m2. The total weight is in 5-8kg. Folding time is 10 seconds and unfolding time is 5 seconds.

Description

technical field [0001] The invention relates to a pin-tooth transmission device and a foldable bicycle with a small volume after being folded using the transmission device. Background technique [0002] Most of the existing bicycles are chain drives, the transmission efficiency is low, and the bicycles using the chain drive are bulky. Folding bicycles have appeared in multiple forms in recent years, but the existing folding bicycles are still very large and heavy after being folded. Moreover, such folding bicycles are generally heavier than non-folding bicycles. Most of the existing folding bicycles have chains, which are exposed after being folded, and make other bicycle parts protrude, so it is easy to stain and injure users and their clothes. Contents of the invention [0003] In order to solve the above existing problems, the object of the present invention is to provide a pin-tooth transmission device with high transmission efficiency and small volume. [0004] The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62M11/02B62K15/00
Inventor 赵华胜赵月
Owner 赵华胜
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