Motorcycle Side Mirror Mount Seat Inclined Turning Shaft
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Solution Overview
Problem
Conventional motorcycle side mirrors have limited flexibility in mounting position selection due to the perpendicular orientation of the turning shaft of the mirror stay, which restricts the degree of freedom in positioning and often requires redesigning the front cowl to avoid interference with vehicle body parts.
Innovation Solution
The side mirror design features a mount seat with a base portion extending in one direction and a support portion that allows the turning shaft of the mirror stay to be inclined relative to the length direction of the base, increasing the freedom in selecting the mounting position on the front cowl.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the turning shaft of the mirror stay is provided perpendicularly to the length direction of the mount seat, then the mirror can be supported stably, but the degree of freedom in selecting the mounting position is reduced
Solution Approach 1:
The patent applies the dynamics principle by making the mounting structure adjustable rather than fixed. The mount seat is designed with a base portion and support portion that allows the turning shaft to be positioned at different orientations relative to the base portion length direction. This enables the mirror assembly to adapt to different mounting positions on the front cowl while maintaining stable support, thereby resolving the contradiction between support stability and mounting position flexibility.
Solution Approach 2:
The patent applies parameter changes by modifying the geometric relationship between the turning shaft and the base portion. Instead of fixing the turning shaft perpendicular to the base portion length direction, the design allows the turning shaft to extend in directions inclined to the length direction. This parameter change enables greater freedom in selecting mounting positions while preserving the functional requirements for stable mirror support.
2Manufacturing precision
If the mounting position of the mount seat is carefully selected to prevent interference, then the mirror can be positioned accurately, but the design complexity increases
Solution Approach 1:
The patent applies universality by designing a mount seat structure that can accommodate multiple mounting positions and orientations. The base portion with the support portion configured to receive the turning shaft at various angles creates a universal mounting solution that works with different cowl designs. This multi-functional design reduces the need for careful selection and redesign of mounting positions, thereby reducing design complexity while maintaining positioning accuracy.
Data Source
AI summary
A side mirror includes a mount seat mounted to a front cowl that covers a portion of the front of a vehicle body, a mirror stay supported on the mount seat with a basal end thereof supported in a turnable manner, and a mirror provided at a tip end of the mirror stay. The mount seat includes a base portion 41a extended in one direction and mounted to the front cowl, and a support portion provided on the base portion 41a to support the basal end of the mirror stay so that a direction Dp in which a turning shaft of the mirror stay extends is inclined to a length direction DL of the base portion. With this structure, a side mirror increased in degree of freedom in selecting a mount position on a front cowl can be provided.