Bicycle frame embodied with installation sleeve

A technology for bicycle racks and mounting sleeves, applied in bicycle racks, bicycle accessories, transportation and packaging, etc., can solve the problems of undiscovered patent documents, etc., and achieve the effect of good processability and good absorption performance

Inactive Publication Date: 2012-09-26
天津恒腾自行车有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] Through searching, no published patent documents related to the application of the present invention have been found

Method used

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  • Bicycle frame embodied with installation sleeve
  • Bicycle frame embodied with installation sleeve
  • Bicycle frame embodied with installation sleeve

Examples

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Embodiment Construction

[0018] The present invention will be further described in detail below through the specific examples, the following examples are only descriptive, not restrictive, and cannot limit the protection scope of the present invention with this.

[0019] A kind of bicycle frame pre-embedded with mounting sleeve, see figure 1 , 2 , including inclined beam 2 and upright beam 1, on the inclined beam, a radial inclined beam installation hole is formed, and an inclined beam installation sleeve 3 is coaxially pre-embedded and fixed in the inclined beam installation hole.

[0020] Or, the vertical beam installation hole is also shaped on the vertical beam, and the vertical beam installation sleeve is coaxially pre-embedded in the vertical beam installation hole.

[0021] Or, it is also possible to make respective installation holes on the inclined beam or the vertical beam at the same time, and pre-embed and fix the respective installation sleeves in the respective installation holes. The ...

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PUM

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Abstract

The invention relates to a bicycle frame embodied with an installation sleeve, comprising an inclined beam and a vertical beam, wherein the inclined beam and / or the vertical beam is provided with a radial installation hole, and an inclined beam installation sleeve is coaxially and fixedly installed in the installation hole. The installation sleeve is coaxially provided with an internal thread. The bicycle frame is made of chrome molybdenum steel, so that the machinability and the impact absorption are good; and the bicycle frame can be easily welded compared with the bicycle frame made of titanium or aluminum, and can be designed into various shapes. In addition, the bicycle frame made of the chrome molybdenum steel does not need heat treatment after being welded, so that the large heat treatment equipment is not needed.

Description

technical field [0001] The invention belongs to the field of bicycles, and relates to a vehicle frame, in particular to a bicycle frame pre-embedded with a mounting sleeve. Background technique [0002] At present, the bicycle frame is the main load-bearing part of the bicycle, and generally includes a front fork sleeve for installing the front fork, a saddle sleeve for installing the saddle, a center shaft sleeve for installing the center shaft, and a front fork. The sleeve and the saddle sleeve are connected through the upper beam, the center shaft sleeve and the front fork sleeve are connected through the inclined beam, and the saddle sleeve and the center shaft sleeve are connected through the vertical beam; The rear axle yoke for installing the rear wheel, the combined end of the rear axle yoke is used for installing the rear axle, and the other two ends are respectively fixedly connected with the central axle sleeve and the saddle sleeve. [0003] In order to facilita...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62K19/40
Inventor 王志刚
Owner 天津恒腾自行车有限公司
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