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A New Type of Bicycle Continuously Variable Transmission

A continuously variable transmission, bicycle technology, applied in the field of transmission, can solve the problems of loss of transmission force and easy chain loss, and achieve the effect of ensuring speed change and maintaining torque output

Inactive Publication Date: 2018-02-06
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to propose a new type of continuously variable transmission for bicycles, which solves the problems in the prior art that the bicycle loses its transmission force when shifting and is easy to drop the chain.

Method used

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  • A New Type of Bicycle Continuously Variable Transmission
  • A New Type of Bicycle Continuously Variable Transmission
  • A New Type of Bicycle Continuously Variable Transmission

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Embodiment Construction

[0029] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0030] See attached figure 1 A novel bicycle continuously variable transmission of the present invention includes a disc body frame, a sprocket system and a hydraulic system;

[0031] See attached figure 2 to attach Figure 9 , the disc frame includes a central hexagonal disc body 6 and track discs 5 symmetrically arranged on both sides of the central hexagonal disc body 6; symmetrical circular bosses 601 are opened on both ends of the central hexagonal disc body 6, and a central opening There is a square hole 602, the circular boss 601, the square hole 602 and the central hexagonal plate 6 are coaxial, and the inner side of the circular boss 601 close to the square hole 602 is evenly distributed with six semi-through holes on the axial circumference 605, three hydraulic transmission connecting rod holes 604 are evenly distributed on the outer axial ...

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Abstract

The invention provides a novel bicycle stepless transmission and belongs to the technical field of transmission in order to solve the problems that in the prior art, a bicycle loses transmission force during speed change, and meanwhile a chain is likely to fall.The novel bicycle stepless transmission comprises a disc framework, a chain wheel system and a hydraulic system.The disc framework comprises a center hexangular disc and rail discs symmetrically arranged on the two sides of the center hexangular disc.The chain wheel system comprises six chain wheel structures.Each chain wheel structure comprises a chain wheel and a U-shaped frame, wherein the U-shaped frame comprises a U-shaped wheel frame and a hydraulic rod, the chain wheel is arranged at the open end of the U-shaped wheel frame, rolling shafts coaxial with the chain wheel are installed on the two sides of the U-shaped wheel frame, the two rolling shafts are matched with notch grooves in the corresponding rail disc, and the hydraulic rod is fixed to the end, opposite to the open end, of the U-shaped wheel frame.The hydraulic rods of the six chain wheel structures are matched with six radial deep holes in the center hexangular disc, and the six chain wheels of the six chain wheel structures are located on the same circumference.The hydraulic system is communicated with six hydraulic oil ways, and the extending length of the hydraulic rods is adjusted.

Description

technical field [0001] The invention belongs to the technical field of transmission, and in particular relates to a novel bicycle continuously variable transmission. Background technique [0002] A bicycle derailleur is one of the must-haves for a high-end bicycle. Modern bicycles have gradually transformed from a means of transportation into a kind of fitness and entertainment equipment, and the demand for bicycles has also changed from a basic ordinary structure to a high-end demand. [0003] In the high-end bicycle accessories, the transmission is the core component. In the prior art, the bicycle transmission is mainly a multi-plate stepped transmission, which cannot achieve stepless transmission. Moreover, when the bicycle changes speed, the chain has to go through circles with different radii. The process of disengaging and rewinding the chain on the disc will cause the bicycle to lose transmission force and easily drop the chain when changing gears. Contents of the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62M9/08
CPCB62M9/08
Inventor 张福张静远魏晓帅于立娟
Owner JILIN UNIV
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