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Bicycle adjustable in chain wheel tightness

A bicycle and elastic technology, which is applied to vehicle components, vehicle gearboxes, chain/belt transmissions, etc., can solve the problems of inconvenient adjustment of the sprocket tightness and achieve a convenient and elastic effect

Inactive Publication Date: 2015-04-01
天津轮翼运动器材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The distance between the bottom bracket and the rear wheel axle of existing bicycles is fixed, and it determines the tightness of the sprocket wheel through the midpoint of the bottom bracket and the midpoint of the rear wheel shaft fixed on the rear axle yoke, and the fixed distance makes the sprocket tightness inconvenient. Adjustment

Method used

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  • Bicycle adjustable in chain wheel tightness
  • Bicycle adjustable in chain wheel tightness

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Embodiment Construction

[0012] In order to enable those skilled in the art to better understand the technical solution of the present invention, an adjustable frame hanger 2 is provided below in conjunction with the accompanying drawings and the best embodiment, and the adjustable frame hanger includes two ends The rear fork hook 3 and the rear axle lug 4 connected with the rear axle yoke, the rear fork hook is provided with two oblong holes 6 arranged in a straight line, and the rear fork hook and the rear axle lug are provided with There is a positioning bolt, one end of the positioning bolt extends into the oblong hole of the rear fork hook, and slides in the oblong hole, and the other end is fixedly connected with the rear axle lug, and the jacking screw mechanism 5 is fixed on the rear axle lug , the top wire front end of the top wire structure abuts on the rear fork hook. The jacking screw mechanism includes a jacking wire frame affixed to the rear axle lug and a jacking wire threadedly engaged...

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Abstract

The invention relates to a bicycle, in particular to a bicycle adjustable in chain wheel tightness. An adjustable frame hanging lug is arranged on a rear axle fork frame of a bicycle body and comprises a rear fork hook with two ends connected with the rear axle fork frame and a rear axle hanging lug, two long oval holes arranged linearly are formed in the rear fork hook, a positioning bolt is arranged between the rear fork hook and the rear axle hanging lug, one end of the positioning bolt extends into the long oval holes of the rear fork hook and slide in the long oval holes, the other end of the positioning bolt is fixedly connected with the rear axle hanging lug, a jackscrew mechanism is fixed to the rear axle hanging lug, and the jackscrew front end of the jackscrew mechanism abuts against the rear fork hook. By means of the structure, the distance between the rear fork hook and the rear axle hanging lug can be conveniently changed by adjusting a jackscrew, a rear axle is installed on the rear axle hanging lug, and the rear fork hook is installed on the rear axle fork frame, so that the distance between a middle point of a five-way part and a middle point of the rear axle can be changed, and the chain wheel tightness can be conveniently adjusted.

Description

technical field [0001] The invention relates to a bicycle, in particular to a bicycle with adjustable sprocket tension. Background technique [0002] The distance between the bottom bracket and the rear wheel axle of existing bicycles is fixed, and it determines the tightness of the sprocket wheel through the midpoint of the bottom bracket and the midpoint of the rear wheel shaft fixed on the rear axle yoke, and the fixed distance makes the sprocket tightness inconvenient. Adjustment. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art and provide a bicycle with adjustable sprocket tightness which is convenient for adjusting the sprocket tightness. [0004] The present invention is achieved through the following technical solutions: [0005] The utility model relates to a bicycle with adjustable sprocket tension. An adjustable frame lug is provided on the rear axle fork of the veh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62M9/00
CPCB62M9/16
Inventor 金宙渊
Owner 天津轮翼运动器材有限公司
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