Self-Locking Fastening Assembly With Barcode Installation Verification
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Solution Overview
Problem
Conventional tie-strap fasteners are inadequate for securing multiple components to a single panel, are difficult to install, expensive to manufacture, and unsuitable for applications requiring maintenance, adjustment, or replacement, failing to meet the evolving demands of industries like automotive where ease of assembly, high attachment strength, and reliability are crucial.
Innovation Solution
A fastening assembly comprising a housing with a retention clip that includes a U-shaped design with locking pawls and a locking rib, allowing for easy installation and secure retention of components, with a tie strap receiver for anchoring tie straps, enabling flexible orientation and easy verification of proper installation through a barcode system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional tie-strap fasteners are used, then single-component attachment is achieved, but multi-component securing capability is insufficient
Solution Approach 1:
The fastener body is designed with multiple functions: it can secure multiple components simultaneously through multiple clamping mechanisms, provide adjustable positioning, and incorporate installation verification features. This multi-functional design allows a single fastener to replace multiple conventional fasteners while maintaining structural efficiency.
Solution Approach 2:
The fastener is divided into distinct functional segments: the fastener body for structural support, the retention clip for component securing, the tie-strap receiver for cable management, and the code region for verification. This segmentation allows each component to perform its specific function optimally while contributing to the overall multi-component securing capability.
2Ease of manufacture
If conventional fasteners are used, then manufacturing cost is reduced, but installation difficulty increases
Solution Approach 1:
The retention clip incorporates a self-locking mechanism where the locking pawl automatically engages with the locking rib upon insertion, and the biased configuration provides automatic clamping force without requiring additional tools or adjustment steps. This self-service design simplifies installation while maintaining manufacturing efficiency.
Solution Approach 2:
The retention clip is pre-biased into a configured state during manufacturing, with the locking pawl and locking rib positioned to automatically engage during installation. This preliminary action eliminates the need for complex assembly steps during installation, reducing installation difficulty while maintaining cost-effectiveness.
3Ease of repair
If conventional fasteners are used, then simplicity is maintained, but serviceability for maintenance and replacement is poor
Solution Approach 1:
The retention clip is designed with movable components that can transition between locked and unlocked states. The locking pawl can be disengaged from the locking rib to release the component, and the tie-strap receiver allows for easy tie-strap replacement. This dynamic design enables simple maintenance and replacement operations.
Solution Approach 2:
The modular design with separable components (fastener body, retention clip, tie-strap receiver) allows for selective replacement and maintenance of individual components without replacing the entire fastening system, significantly improving serviceability while maintaining overall design simplicity.
4Measurement precision
If installation verification is added, then installation accuracy is improved, but device complexity increases
Solution Approach 1:
The code region uses visual indicators (such as colored code elements or patterns) that change or become visible when the fastener is properly installed. This allows for quick visual verification of installation accuracy without adding mechanical complexity to the fastener structure.
Solution Approach 2:
The code region acts as a visual copy or representation of the installation state, encoding information about proper installation through patterns, colors, or configurations that can be read without physically measuring the fastener components. This provides verification capability with minimal structural addition.
Data Source
AI summary
The present disclosure provides a fastening assembly for attachment of a component. The fastening assembly is self-locking, and comprises a housing that presents a barcode, and a retention clip that is configured to form an interlock with the housing and is changeable between an open configuration adapted to freely receive a component, and a closed position adapted to capture and retain the component. The retention clip is slideably moveable within an aperture of the housing between an initial position, in which the retention clip is in the open configuration and the barcode is unreadable, and a final position, in which the retention clip is in the closed configuration and allows for the barcode to be read or scanned to verify installation of the fastening assembly on the component.