Dual-Component Sealing Fastener for Compact Centered Coupling
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Solution Overview
Problem
Existing sealing fasteners, such as bathtub fasteners and pour-over clips, face challenges including high manufacturing costs, space requirements, and difficulty in ensuring effective centering for a reliable seal between components.
Innovation Solution
A dual component sealing fastener comprising a U-base clip component and a seal component, where the U-base clip component includes opposing side walls with rib receiving cavities and aperture retention arms, and the seal component features annular seals and a central wall aperture, allowing for a shipping configuration that ensures secure coupling and sealing in both shipping and operational states.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If bathtub fasteners are used to couple components, then sealing capability is provided, but manufacturing cost and space requirements increase
Solution Approach 1:
The sealing fastener is divided into two separate components: a clip component and a seal component. This segmentation allows each component to be manufactured independently using simpler, more cost-effective processes, while still achieving reliable sealing when assembled together.
Solution Approach 2:
The seal component is designed to be inserted into and nested within the clip component during assembly. This nested configuration enables the seal to be retained by the clip while maintaining a compact overall structure that reduces space requirements compared to traditional bathtub fasteners.
2Reliability
If pour-over clips are used to couple components, then sealing is achieved, but centering precision and seal effectiveness are compromised
Solution Approach 1:
The seal component is pre-formed with specific geometric features including an equatorial circumference and polar axes that define precise alignment references. These preliminary geometric configurations ensure that when the seal is installed on the clip, proper centering and alignment are automatically achieved without requiring high-precision manufacturing of the clip itself.
Solution Approach 2:
The invention uses geometric 'shape changes' or form variations - specifically the oblate spheroid shape with defined equatorial and polar dimensions - to provide visual and physical alignment cues that ensure proper centering during assembly, replacing the need for complex centering mechanisms.
3Adaptability or versatility
If traditional sealing fasteners are used, then coupling is provided, but device complexity and space requirements increase
Solution Approach 1:
The clip component is designed with multiple functional features integrated into a single structure: it provides mechanical coupling through the rib engagement, retains the seal component through the aperture, and positions the seal through the aperture retention arms. This multi-functionality reduces overall device complexity while maintaining coupling capability.
Solution Approach 2:
The invention transitions from complex three-dimensional bathtub shapes to simpler geometric forms defined by two-dimensional cross-sections (oblate spheroid with specific equatorial and polar dimensions). This dimensional simplification reduces manufacturing complexity while maintaining functional effectiveness.
Data Source
AI summary
A U-base clip component can include two opposing side walls joined together at an insertion end with a rib receiving cavity between the two opposing side walls. Aperture retention arms can extend outwardly from the two opposing side walls, respectively. Rib coupling arms can extend inwardly from the two opposing side walls. A seal component can include a central wall having a clip aperture therethrough. A first component annular seal can extend in a first direction away from a first side of the central wall. A second component annular seal can extend in a second, opposite direction away from a second, opposite side of the central wall. The seal component and the U-base clip component can have a shipping configuration in which the U-base clip component extends through the clip aperture with the seal component coupled between the trailing end and the aperture retention arms of the U-base clip component.