Vehicle Garnish Attachment Structure with Flexible Locking
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Solution Overview
Problem
Conventional garnish attachment structures for vehicles have a fixed order of attachment for roof and window garnishes, limiting flexibility in manufacturing line configurations and making it difficult to adapt to changes in manufacturing settings.
Innovation Solution
A garnish attachment structure that includes a positioning locking part with a locking shaft and engaging parts such as U-shaped grooves and attachment holes, allowing for flexible reversal of attachment order between the roof and window garnishes, with a locking mechanism that prevents excessive fastening load and enhances assembly accuracy and workability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional garnish attachment structure with fixed attachment order is used, then the structure is simple and easy to manufacture, but the adaptability to different manufacturing line configurations is poor
Solution Approach 1:
The positioning locking part is designed with dual engagement capabilities: it can lock the first garnish from the up-and-down direction and the second garnish from the longitudinal forward-and-backward direction. This universal locking mechanism allows the same structure to accommodate different attachment sequences and manufacturing line configurations, directly improving adaptability without proportionally increasing complexity
Solution Approach 2:
The attachment structure enables dynamic adjustment of the attachment sequence. Unlike conventional fixed-order structures, this design allows the first and second garnishes to be attached in either order (first garnish then second garnish, or vice versa), providing operational flexibility that adapts to varying manufacturing line requirements
2Adaptability or versatility
If the attachment order is fixed in conventional structures, then the manufacturing process is standardized, but the ability to rapidly cope with manufacturing place changes is reduced
Solution Approach 1:
The positioning locking part serves multiple functions by accommodating different attachment sequences and garnish types. This universal design eliminates the need for reconfiguration when changing manufacturing locations or sequences, allowing rapid adaptation without time loss
3Adaptability or versatility
If a positioning locking part with dual-directional locking capability is implemented, then the attachment order flexibility is improved, but the structure complexity increases
Solution Approach 1:
The positioning locking part merges multiple locking functions into a single integrated structure. It combines the ability to lock the first garnish from the up-and-down direction and the second garnish from the longitudinal forward-and-backward direction within one component, achieving attachment order flexibility without proportionally increasing overall structure complexity
Data Source
AI summary
There is provided a garnish attachment structure of a vehicle body using one of a roof garnish provided along a side part of a roof of the vehicle body and a window garnish provided along a side part of a window glass as a first garnish, and using the other as a second garnish. The garnishes are attached to a vehicle body members provided in the vehicle body. The garnish attachment structure includes: positioning locking parts that lock an end of the first garnish from an up-and-down direction and an end of the second garnish from a longitudinal forward-and-backward direction to the vehicle body member; and engaging parts that are provided at an each end of the first garnish and the second garnish and are locked to the positioning locking parts. The engaging parts are locked to the positioning locking parts, and the ends of the first garnish and the second garnish overlap each other whereby the first garnish and the second garnish are attached to the vehicle body members.