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Rear axle assembly of bicycle

A bicycle and rear axle technology, applied in the directions of axles, wheels, vehicle parts, etc., can solve the problems of small diameter of the driving gear and driven gear, slow bicycle walking speed, etc., and achieve the effect of improving the running speed, simple connection, and reliable cooperation.

Inactive Publication Date: 2011-01-26
张昌维
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] For this reason, the technical problem to be solved by the present invention is to solve the shortcomings of the existing small-wheel bicycle driving gear and driven gear that the diameter is relatively small, which leads to the slow speed of the bicycle, and to provide a rear axle assembly that makes the bicycle travel fast and labor-saving. to make

Method used

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  • Rear axle assembly of bicycle
  • Rear axle assembly of bicycle
  • Rear axle assembly of bicycle

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Embodiment Construction

[0020] The bicycle rear axle 1 assembly according to the present invention includes a rear axle 1, a hub 2 sleeved on the rear axle 1, a one-way clutch assembly fixedly installed on one end of the hub 2, and the one-way clutch The assembly includes a fixed part 3 fixedly installed on the hub 2 and a rotating part 4 that can rotate relative to the fixed part 3. The rotating part 4 is provided with a driven gear 5. The rotating part 4 is connected to the rotating part 4. A ratchet 31 and a ratchet 51 that mesh with each other are provided between the fixed parts 3, and the rotating part 4 is rotatably mounted on the rear axle 1. In this embodiment, the rotating part 4 passes through a needle bearing 54 Installed on rear axle 1. The fixing member 3 is a ratchet wheel with ratchet teeth 31 on the inner ring, and the rotating member 4 has a pawl 51 on the outer ring. The ratchet is fixed together with the hub 2 through threads. The driven gear 5 is integrally formed with the rota...

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Abstract

The invention relates to a rear axle assembly of a bicycle. The rear axle assembly comprises a rear axle, a hub sleeved on the rear axle and a one-way clutch assembly fixedly arranged at one end of the hub, wherein the one-way clutch assembly comprises a fixed piece fixedly arranged on the hub and a rotary piece capable of rotating relative to the fixed piece; the rotary piece is provided with a driven gear; a ratchet and a pallet which are engaged with each other are arranged between the rotary piece and the fixed piece; and the rotary piece is rotationally arranged on the rear axle. The defect of low walking speed of the bicycle caused by the small diameters of the driving gear and the driven gear of the conventional small-wheel bicycle is overcome and the rear axle assembly which allows the bicycle to travel at a high speed and saves force is provided. The rear axle assembly is particularly suitable for small-sized bicycles and folding bicycles.

Description

technical field [0001] The present invention relates to a component of a bicycle. Specifically, it is a rear axle assembly of a bicycle. Background technique [0002] At present, the wheel diameter of bicycles on the market is much smaller than that of previous bicycles, so they are lighter, foldable, and more convenient to carry, and are more and more popular among people. However, due to the small ratio of the diameters of the active gear and the passive teeth of a small-wheeled bicycle, when the user pedals the same number of laps, the distance traveled by a small-wheeled bicycle is shorter than that of a large-wheeled bicycle. The walking distance is short and the speed is slow. To increase the speed of a bicycle with a small diameter, it is necessary to increase the diameter ratio, that is, increase the diameter of the driving gear or reduce the diameter of the driven gear. Enlarging the diameter of the driving gear will correspondingly increase the volume of this pa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60B35/12
Inventor 张昌维李兴伟张锐孙艳张晓敏
Owner 张昌维
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