Bicycle Derailleur Cable Holder Stabilization
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Solution Overview
Problem
Bicycle derailleurs face interference issues with electric cables due to their unstable posture, leading to mechanical complications and reduced efficiency.
Innovation Solution
A bicycle derailleur design featuring a cable holder attached to the derailleur body and base fastener, which stabilizes the electric cable's posture by restricting its movement along specific axes, reducing interference with the derailleur and bicycle frame.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the electric cable is allowed to move freely, then the cable holder structure is simplified, but the cable posture becomes unstable causing interference with the derailleur body and bicycle frame
Solution Approach 1:
The cable holder is divided into a body portion and a base fastener portion that can be separately assembled. The base fastener includes a body and a base that can be attached to the derailleur body, allowing modular assembly while maintaining cable stability. This segmentation enables easier installation while ensuring the cable maintains a stable posture through the integrated fastening mechanism.
2Ease of manufacture
If the cable holder is positioned on the outward side of the derailleur body, then installation is simplified, but interference with external components increases
Solution Approach 1:
The cable holder is designed with asymmetric positioning capability, allowing it to be attached to either the inward side or outward side of the derailleur body depending on the specific bicycle frame configuration. The base fastener includes a base with attachment features that can accommodate different mounting orientations, enabling the cable holder to be positioned optimally to avoid interference with external components while maintaining ease of installation.
Data Source
AI summary
A bicycle derailleur comprises a derailleur body and a cable holder. The derailleur body is configured to be attached to a bicycle frame. The cable holder is configured to hold an electric cable.