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Shockproof seat tube production process

A seat tube and process technology, which is applied to the production process of the shock absorber seat tube, can solve the problems of inability to effectively control the deflection of the seat cushion, and achieve the effects of good overall performance, easy assembly and control of the deflection of the seat cushion.

Inactive Publication Date: 2009-08-05
元渝机械(深圳)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a manufacturing process of a bicycle shock absorber seat tube to solve the problem that the existing shock absorber seat tube cannot effectively control the deflection of the seat cushion in the manufacturing process, so as to make it more firm

Method used

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  • Shockproof seat tube production process

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Embodiment Construction

[0008] figure 1 It is a cross-sectional view of the assembly structure of the bicycle shock-absorbing seat tube of the present invention. Now, referring to the accompanying drawings, the production and assembly process of each component of the present invention is described in detail as follows.

[0009] First, the inner surface of the hollow outer tube 1 is machined into a polygonal shape and a positioning groove 11 is arranged on the top of the outer tube 1, and the finished outer tube 1 is processed by polishing, typing, anodizing, pad printing, etc. Then the outer surface 21 of the hollow inner tube 2 is processed into a polygonal shape corresponding to the inner surface of the outer tube 1, and then processed by chamfering, polishing, electroplating, etc., and the formed polygonal corner ends cannot be polished.

[0010] After making the polygonal inner tube 2 and outer tube 1 that match each other, assemble a plastic sliding sleeve 3 at one end of the outer tube 1, put t...

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Abstract

The invention discloses a manufacturing process of a bicycle shock-absorbing seat tube. The present invention is realized by the following manufacturing process: assemble the sliding sleeve of the seat tube into one end of the outer tube, insert it from the other end onto a fixed support rod on the broaching machine, the support rod withstands the end face of the sliding sleeve, and the broach moves from top to bottom Actuate so that the inner diameter is the shape and size required by the inner tube design. The beneficial effect of the present invention is that in the process of use, the deflection of the seat cushion can be effectively controlled, and it is easy to assemble, reducing the parts for producing the seat tube, and the cost is low, and it can be widely used on various bicycle seat tubes to achieve good overall performance .

Description

technical field [0001] The invention relates to a production process of a bicycle shock-absorbing seat tube. Background technique [0002] At present, the seat tube used to support the bicycle seat cushion has been improved and developed rapidly in technology, especially the shock absorption performance of the enhanced seat tube has been greatly improved. This is mainly because a shock absorbing spring is installed in the outer tube, and a Insert an inner tube to press against the shock-absorbing spring, and the other end of the inner tube is fixed with the seat cushion, so as to achieve the shock-absorbing effect. After the assembly of the commonly used shock-absorbing seat tube, the inner tube and the outer tube need to be combined with a plastic sliding sleeve for a long time to slide up and down when riding a bicycle. The inner tube and the plastic sliding sleeve are made of The direct installation method is adopted. After using this kind of seat tube for a period of ti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23D37/08
Inventor 许荣裕
Owner 元渝机械(深圳)有限公司
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