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Multi-speed bicycle and rear axis planetary gearing speed changer thereof

A technology for variable speed bicycles and planetary gears, which is applied to vehicle gearboxes, vehicle components, wheel transmissions, etc. It can solve the problems of rear axle planetary gear transmissions that cannot be shifted and is inconvenient, and achieve a large range of speed ratio changes. Disassembly and assembly The effect of easy maintenance

Inactive Publication Date: 2009-12-09
韦建葵 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The speed-changing bicycle and its rear axle planetary gear transmission provided by the present invention mainly solve the problems that the existing bicycle rear axle planetary gear transmission cannot shift gears and is inconvenient to assemble and maintain

Method used

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  • Multi-speed bicycle and rear axis planetary gearing speed changer thereof
  • Multi-speed bicycle and rear axis planetary gearing speed changer thereof
  • Multi-speed bicycle and rear axis planetary gearing speed changer thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] Such as Figure 1 to Figure 3 Shown variable-speed bicycle, the wheel hub 132 of its rear wheel is connected with a rear axle planetary gear transmission, and all parts of this rear axle planetary gear transmission are all contained outside a rear axle central axle sleeve 104. Among them, the ring gear 101 is fixedly connected with an intermediate shaft sleeve 102, and the intermediate shaft sleeve 102 is installed outside the central shaft sleeve 104 of the rear axle through the balls 103, 126 arranged in a ring, the adjustment washer 127 and the bearing stop ring 128; The balls 110, 124 arranged in a circular shape and the bearing retaining ring 125 are installed outside the ring gear 101 and the intermediate shaft sleeve 102; outside the shaft cylinder of the bracket 112.

[0013] The ring gear 101 is equipped with a ratchet and pawl mechanism between the intermediate shaft sleeve 102 and the planetary gear bracket 112. The pawl seat 107, the pawls 109, 130 mounted...

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PUM

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Abstract

The invention discloses a rear axle planetary gear transmission and a speed-changing bicycle made of the same, and relates to the technical field of bicycle manufacturing. The hub of the rear wheel of the speed-changing bicycle is connected with the rear axle central bushing of the rear axle planetary gear transmission, and the central sun gear, ring gear and planetary gear bracket of the rear axle planetary gear transmission are all movably mounted on the rear axle central axle. Outside the sleeve, a ratchet and pawl mechanism is installed between the ring gear and the planetary gear bracket, and a ratchet and pawl mechanism is installed between the ring gear and the central bushing; the center sun gear is equipped with a shift gear A brake disc, the shift brake disc is installed next to the brake piece connected with the vehicle frame, and the planetary gear bracket is provided with chain teeth to engage with the drive chain. The invention mainly solves the problems that the existing bicycle rear axle planetary gear transmission cannot shift gears and is inconvenient to assemble and maintain.

Description

technical field [0001] The invention relates to the technical field of bicycle manufacturing, in particular to a bicycle with a speed change transmission device. technical background [0002] In order to adapt to the pedaling strength and speed of the cyclist and to meet the greatly varying driving speed, the bicycle needs to be provided with a shiftable transmission in the power transmission. In order to pursue a more reliable variable speed transmission and a wider range of transmission speed ratios, the applicant previously applied for a "variable speed bicycle transmission device" (patent authorization announcement number: CN 2393812Y, authorization announcement date: August 30, 2000), this technology The scheme is that a planetary gear transmission is respectively provided on the central axis and the rear axle of the bicycle, wherein the ring gear of the planetary gear transmission on the rear axle is fixed to the vehicle frame, and the planetary gear bracket is fixed t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62M11/14
Inventor 韦建葵
Owner 韦建葵
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