Vehicle Trim Retaining Member for Interchangeable Clip Attachment
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Solution Overview
Problem
Existing vehicle trim assemblies lack interchangeable attachment features, making it inefficient to change or customize trim attachments without requiring new prototypes.
Innovation Solution
A vehicle trim assembly with a trim panel featuring a retaining member on its inner surface, which includes a connector and an engagement plate with a locking arm. This assembly allows for interchangeable attachment features, each with a base, clip, and guide features, that can be locked onto the retaining member using a protrusion and locking arm mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional fixed trim attachments are used, then manufacturing is simpler, but adaptability and interchangeability are poor
Solution Approach 1:
The retaining member is designed with multiple attachment features (first, second, and third attachment features) that can each engage with different trim attachments. This universal design allows a single retaining member to serve multiple functions and accommodate various attachment types, thereby improving adaptability without requiring multiple different retaining members for different trim pieces.
Solution Approach 2:
The attachment features are segmented into distinct functional components including engagement plates, locking arms, and protrusions. Each component performs a specific function: the engagement plate provides a mounting surface, the locking arm secures the attachment, and the protrusion aligns with guide features. This segmentation allows for modular assembly and easier manufacturing while maintaining overall system adaptability.
2Productivity
If interchangeable attachment features are implemented, then customization efficiency improves, but manufacturing complexity increases
Solution Approach 1:
Multiple attachment features are combined into a single integrated retaining member component. The first, second, and third attachment features are all formed as part of the same retaining member structure, allowing them to be manufactured together as one piece. This merging approach improves productivity by enabling quick interchangeability while managing manufacturing complexity through integrated design rather than separate components.
Solution Approach 2:
The design allows for parameter variations in the attachment features to accommodate different trim attachment types. The engagement plates, locking arms, and protrusions can be configured with different dimensions, positions, and geometries while maintaining the same basic structure. This parameter flexibility enables customization and efficient interchangeability without fundamentally changing the manufacturing process or requiring entirely different components.
3Adaptability or versatility
If multiple attachment features are integrated into one retaining member, then interchangeability is enabled, but structural complexity increases
Solution Approach 1:
The retaining member is designed as a universal component that can engage with multiple different types of trim attachments through its integrated first, second, and third attachment features. Each feature provides the same basic function of securing a trim attachment, but with varying configurations to match different attachment types. This multi-functionality enables high adaptability while maintaining a single unified component structure rather than requiring multiple separate retaining members.
Solution Approach 2:
While the retaining member is a single component, its internal structure is segmented into distinct functional zones: engagement plates for mounting, locking arms for securing, and protrusions for alignment. These segmented functional elements work together within the unified retaining member structure, providing the ability to engage different trim attachments without increasing the overall component count. The segmentation is functional rather than structural, resolving the contradiction between versatility and complexity.
Data Source
AI summary
A vehicle trim assembly includes a trim panel, which defines a retaining member that includes a connector and an engagement plate. The engagement plate has a width greater than a width of the connector. The engagement plate includes a locking arm. A first attachment feature is engageable with the retaining member in a first use condition. A second attachment feature is engageable with the retaining member in a second use condition. The first and second attachment features each include a base having a proximal support and a distal support, a clip coupled to the distal support and configured to engage a vehicle body, and guide features coupled to the proximal support. The guide features are configured to receive the engagement plate of the retaining member. A protrusion is coupled to the proximal support. The locking arm is configured to engage the protrusion to lock the base on the retaining member.