Motorcycle Frame Steering Head Fastener Joint Layout
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Solution Overview
Problem
Current motorcycle frame designs lack efficient structural integration and stability, particularly in the area around the steering head, which can compromise the frame's ability to securely mount additional components like batteries and transmission systems.
Innovation Solution
A multi-piece motorcycle frame design featuring a steering head member with a steering head portion defining a steering axis, and a plurality of fastener joints positioned rearward of this portion, securely coupling the steering head member to the left and right side frame members, providing additional fastener joints both forward and rearward of the steering head for enhanced stability and component mounting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a multi-piece frame design with multiple fastener joints is used, then structural integrity and stability are improved, but device complexity increases
Solution Approach 1:
The frame is divided into multiple separate members (steering head member, left side frame member, right side frame member) that are joined together using fastener joints. This segmentation allows each member to be manufactured independently and assembled into a stable configuration, resolving the contradiction between achieving frame stability and avoiding complexity.
Solution Approach 2:
Multiple fastener joints are used to merge the steering head member with the left and right side frame members, creating a unified stable structure. The fastener joints serve as the combining mechanism that integrates separate components while maintaining structural integrity, thus improving stability without requiring a monolithic complex design.
2Ease of operation
If fastener joints are positioned rearward of the steering head portion, then ease of assembly is improved, but structural strength at the steering head may be compromised
Solution Approach 1:
The fastener joints are segmented and positioned at specific locations rearward of the steering head portion, allowing assembly operations to be performed more easily while maintaining sufficient structural strength through the distributed joint configuration.
Solution Approach 2:
The fastener joints are positioned in a different spatial dimension (rearward of the steering head portion) rather than directly at the steering head, changing the assembly dimension to improve ease of assembly while the joint distribution maintains structural strength through spatial redistribution.
3Adaptability or versatility
If additional fastener joints are added for component mounting, then adaptability is improved, but device complexity increases
Solution Approach 1:
The fastener joints serve multiple functions: they connect the frame members together and provide mounting points for additional components like batteries and transmission systems. This multi-functionality improves adaptability without requiring separate dedicated mounting structures, thus avoiding additional complexity.
Solution Approach 2:
The fastener joints are designed to merge the functions of structural connection and component mounting into a single integrated system, allowing the same joints to serve both purposes and thereby improving adaptability without proportionally increasing complexity.
Data Source
AI summary
A motorcycle frame including a left side frame member, a right side frame member, and a steering head member positioned along a longitudinal center plane of the frame between the left and right side frame members. The steering head member includes a steering head portion defining a steering axis. A plurality of fastener joints are established between the steering head member, the left side frame member, and the right side frame member, the plurality of fastener joints positioned rearward of the steering head portion. A fastener joint, separate from the plurality of fastener joints, is established rearward of the plurality of fastener joints between the steering head and the left side frame member. A fastener joint, separate from the plurality of fastener joints, is established rearward of the plurality of fastener joints between the steering head and the right side frame member.