Saddle Vehicle Rear Cover Segmentation for Flasher Vibration Isolation
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Solution Overview
Problem
Conventional saddle type vehicles face challenges in enhancing the degree of freedom in the shape of the rear cover while maintaining rigidity and reducing vibrations transmitted to the rear flasher, which affects durability and aesthetic appeal.
Innovation Solution
The rear cover is divided into upper and lower parts with independent structural formation, and the rear flasher is attached to fixing portions that coincide or differ in position between these parts, enhancing rigidity and reducing vibrations by distributing forces more effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the rear cover is divided into upper and lower parts to enhance shape flexibility, then the degree of freedom in shape is improved, but the rigidity of each cover part deteriorates
Solution Approach 1:
The rear cover is divided into an upper cover and a lower cover as separate components. This segmentation allows each cover to be independently designed and formed with optimal shapes while maintaining overall structural integrity through the joining mechanism.
Solution Approach 2:
The upper cover and lower cover are joined together through a joining mechanism that integrates them into a unified structure. This merging restores the rigidity of the complete rear cover assembly while preserving the shape flexibility benefits of the divided design.
2Length of stationary object
If the rear cover is divided into upper and lower parts to reduce overall length, then compactness is improved, but the rigidity of the lower cover deteriorates
Solution Approach 1:
By dividing the rear cover into upper and lower sections, the overall length in the up-down direction is reduced. The lower cover can be optimized for compactness while the joining mechanism ensures sufficient rigidity is maintained.
Solution Approach 2:
The joining mechanism incorporates curved or optimized geometric features that enhance structural strength. This allows the lower cover to achieve compact dimensions while maintaining adequate rigidity through the designed joining interface.
3Adaptability or versatility
If the rear cover is divided into upper and lower parts, then shape flexibility is improved, but vibrations transmitted to the rear flasher increase
Solution Approach 1:
The division into upper and lower covers allows for optimized vibration isolation at the joining interface. The segmented structure can be designed to decouple vibration paths, reducing the transmission of vibrations to the rear flasher while maintaining shape flexibility.
Solution Approach 2:
The joining mechanism acts as an intermediary element between the upper and lower covers. This intermediate structure can be designed to absorb or dampen vibrations, preventing them from being transmitted directly to the rear flasher while still providing structural connection.
Data Source
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AI summary
A saddle type vehicle includes a rear cover (36) disposed beside a vehicle body frame and a rear flasher (44) at least a portion of which is disposed at the rear cover (36) wherein the rear cover (36) includes a flasher opening (46r) in which the rear flasher (44) is disposed, an upper rear cover (83) defining at least an upper edge of the flasher opening (46r), and a lower rear cover (84) defining at least a lower edge of the flasher opening (46r), the upper rear cover (83) and the lower rear cover (84) are different members that are separate from each other, the rear cover (36) includes fixing portions (104, 105) that fix the upper rear cover (83) and the lower rear cover (84) together and the rear flasher (44) is directly attached to the fixing portions (104, 105).