Motorcycle Accommodation Box Side Cover Overlap Design
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Solution Overview
Problem
The existing design of saddle-type vehicles with accommodation boxes located between the head pipe and seat often compromises rider comfort due to the wide profile of the accommodation box, making it difficult for riders to assume the knee grip posture as the doors are positioned on either side, increasing the width of the motorcycle's front section.
Innovation Solution
The design incorporates openable/closable side covers that overlap the accommodation box openings, allowing riders to easily access the box without widening their legs, thereby maintaining a comfortable knee grip posture while providing a sufficiently large accommodation space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the accommodation box width is enlarged to provide sufficient accommodation space, then the accommodation space is improved, but the motorcycle width increases making it difficult for riders to assume knee grip posture
Solution Approach 1:
The side cover is divided into an openable first portion and a closed second portion, allowing the accommodation box to maintain its width for sufficient space while the opening can be positioned to accommodate rider's legs, resolving the conflict between space and accessibility
Solution Approach 2:
The side cover transitions from a fixed closed structure to a dynamically openable structure, enabling the opening to appear in positions that accommodate knee grip posture while maintaining the overall width for adequate accommodation space
2Ease of operation
If the doors are positioned on either side of the accommodation box, then access to the box is improved, but the width of the motorcycle front section increases
Solution Approach 1:
The opening in the side cover is nested within the width profile of the accommodation box, allowing side access functionality without increasing the overall motorcycle width, as the opening is contained within the existing structural boundaries
Data Source
Figure 1
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AI summary
A motorcycle (1) includes an accommodation box (20) which is located to the rear of a head pipe (3) and to the front of a seat (2), the accommodation box (20) including a first opening formed in at least one of a left portion and a right portion thereof, and an openable/closable first side cover (30) located outwardly in a vehicle width direction to the first opening of the accommodation box (20), wherein the first side cover (30) includes an opening (31) overlapping the first opening of the accommodation box (20) as seen in a vehicle side view when the first side cover (30) is closed.