Bicycle Front-End Quick Assembly With Self-Guiding Stem Alignment
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Solution Overview
Problem
The assembly of a bicycle is complex and requires professional tools, leading to a time-consuming and laborious process for non-professionals, with potential improper installation causing functional issues and safety hazards.
Innovation Solution
A bicycle front-end mechanism with simplified stem, fork bowl, and fork sets, utilizing a positioning member and fork set engagement for quick assembly, ensuring proper alignment and preventing erroneous installation through a unidirectional connection and guidance effect.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional bicycle assembly procedures are used, then proper assembly can be achieved, but the process is time-consuming and requires professional tools
Solution Approach 1:
The front-end mechanism is divided into separable components (fork set, stem set, fork bowl set) with standardized interfaces. The positioning member is segmented into a positioning protrusion on the fork set and a corresponding positioning groove on the stem set, enabling modular assembly without complex tools.
Solution Approach 2:
The positioning member automatically guides and aligns the stem set with the fork set during assembly through the engagement of the positioning protrusion and positioning groove. This self-guiding mechanism eliminates the need for professional calibration tools and adjustment operations, allowing non-professionals to assemble the bicycle front-end mechanism correctly.
2Ease of manufacture
If traditional assembly procedures are used, then assembly can be completed, but professional tools and calibration operations are required
Solution Approach 1:
The positioning member is pre-configured with a positioning protrusion that extends from the fork set, and the stem set is pre-configured with a corresponding positioning groove. This preliminary arrangement of positioning features ensures that when the components are brought together, the alignment is automatically achieved without requiring complex calibration operations or specialized tools during the assembly process.
3Productivity
If front-end components are not properly installed, then assembly can be completed quickly, but excessive wearing or failure occurs
Solution Approach 1:
The positioning member with its protrusion and groove configuration automatically ensures proper installation orientation and alignment when the stem set is inserted into the fork set. This self-aligning mechanism prevents improper installation that would lead to excessive wearing or failure, while maintaining quick assembly speed through the simple engagement process.
Data Source
AI summary
A bicycle front-end mechanism for quick assembly includes a fork set, a stem set, and a fork bowl set. The stem set is removably mounted around the fork set and includes a stem, a positioning member, a positioning plate, and a connection member. The stem has a first combination bore mounted around the fork set and a second combination bore connected with a handle bar. The positioning member and the positioning plate are coaxially disposed in the first combination bore along the center of the first combination bore by the connection member. A connection tube part has one end engaged with the positioning member. The fork bowl set is removably mounted around the fork set. The engagement of the positioning member and the fork set achieves the efficient assembly of the stem set, the fork bowl set, and the fork set while a guidance effect is provided.