Floating Fastener Clip Assembly for Thermal Expansion Alignment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Fastener assemblies face challenges in aligning components due to space constraints, dimensional tolerances, and material differences, particularly when components made of different materials expand and contract differently with temperature changes.
Innovation Solution
A fastener assembly featuring a clip with a base and fingers that include nubs, allowing the clip to float while remaining assembled, which includes a stem surrounded by a gap and is configured to engage with a doghouse panel's receptacle, enabling secure attachment of components made of dissimilar materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If components are rigidly fixed together, then alignment precision is improved, but adaptability to thermal expansion differences deteriorates
Solution Approach 1:
The fastener assembly incorporates a floating clip mechanism that allows dynamic movement and adjustment. The clip can move within the receptacle to accommodate thermal expansion and contraction of components, transitioning from a static rigid connection to a dynamic adaptive connection that maintains alignment while responding to dimensional changes.
Solution Approach 2:
The patent utilizes changes in physical parameters, specifically allowing the clip to change its position and orientation within the receptacle. This parameter change enables the fastener to adapt to thermal expansion differences while maintaining secure attachment, resolving the contradiction between fixed alignment and thermal adaptability.
2Adaptability or versatility
If the fastener structure is made complex to accommodate thermal expansion, then adaptability to material differences is improved, but device complexity increases
Solution Approach 1:
The fastener assembly is divided into distinct functional segments: the clip portion that engages with components, the base portion that interfaces with the receptacle, and the floating mechanism that connects them. This segmentation allows each part to perform its specific function independently, accommodating thermal expansion without requiring a completely complex redesign of the entire fastener structure.
Solution Approach 2:
The floating clip acts as an intermediary element between the rigid component attachments and the receptacle. This mediator absorbs the dimensional changes due to thermal expansion, allowing the connection between dissimilar materials while maintaining overall structural integrity without excessive complexity.
3Adaptability or versatility
If the clip is allowed to move freely, then adaptability to thermal expansion is improved, but alignment precision deteriorates
Solution Approach 1:
The floating clip provides controlled dynamic movement within defined limits. It can move to accommodate thermal expansion but remains constrained within the receptacle boundaries, maintaining alignment precision while adapting to dimensional changes through its ability to move within a controlled range rather than freely.
Solution Approach 2:
Different portions of the fastener assembly have different degrees of freedom. The clip portion allows movement for thermal adaptation, while the engagement points with components maintain fixed, precise alignment. This local differentiation of quality enables both thermal adaptability and alignment precision simultaneously.
Data Source
AI summary
A clip for a fastener assembly includes a main body and a base that includes a pair of fingers that each have a nub. The fingers extend from opposing ends of the base and the nubs are centrally disposed between the opposing ends.