A bicycle top fork tube clamp positioning device

CN224333781UActive Publication Date: 2026-06-09GIANT BICYCLES
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GIANT BICYCLES
Filing Date
2025-06-05
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing positioning fixtures have poor shape adaptability and matching when assembling and welding bicycle upper fork tubes. They also have a single clamping method, which leads to problems such as insecure clamping and eccentricity, affecting welding accuracy and finished product quality.

Method used

A bicycle fork tube clamping and positioning device was designed, including a guide rail, a support base and a clamping assembly. Through the cooperation of sliding and locking components, it can achieve flexible clamping and quick clamping of the fork tube, and adapt to bicycle fork tubes of different specifications.

Benefits of technology

It improves the adaptability and accuracy of clamping and positioning, shortens mold change time, ensures firm and reliable fixing, and enhances the stability of welding processes and the quality of finished products.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224333781U_ABST
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Abstract

The utility model relates to the technical field of bicycle machining production, specifically disclose a bicycle upper fork pipe fitting clamping positioning device, wherein, two first clamping assemblies are correspondingly arranged with first upper fork pipe body and second upper fork pipe body respectively, first clamping assembly includes first fixed block and first locating block, first fixed block includes first support part and first clamping part, first support part is slidably arranged on first guide rail, first clamping part is protruded in one end of first support part, first locating block is slidably arranged on first support part and forms first adjusting clamping groove between first clamping part, and first adjusting clamping groove is used to clamp first upper fork pipe body or second upper fork pipe body. According to the specification shape of upper fork pipe fitting, adaptively move and adjust the clamping fixed position of two first clamping assemblies, to realize the quick chucking of first adjusting clamping groove to upper fork pipe fitting, flexible and convenient operation, improve the die changing speed, and the versatility is stronger, and guarantees firm and reliable fixation.
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