Drawer Side Wall Cover Fastening Using Rear-Side Elastic Clamping Lugs
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Solution Overview
Problem
Existing drawer side wall designs face challenges in securely and aesthetically mounting covers without compromising the viewing surface, as traditional fixing methods often require recesses or other unsightly elements.
Innovation Solution
The implementation of two spaced separate recesses on the rear side of the drawer side wall, paired with elastically resilient clamping lugs on the cover, allows for secure positioning by latching into these recesses, ensuring reliable and accurate attachment without damaging the viewing surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fixing means are provided on the viewing surface of the outer wall, then the cover can be securely fixed to the drawer side wall, but the viewing surface becomes aesthetically unattractive due to recesses or fixing elements
Solution Approach 1:
The fixing means are extracted from the viewing surface and relocated to the rear side of the outer wall. The cover is fixed by engaging with fixing elements on the rear side, completely removing any visible fixing elements from the viewing surface, thus maintaining aesthetic appearance while ensuring secure fixing.
2Ease of manufacture
If a single large recess is provided on the rear side of the outer wall, then the cover can be fixed to the drawer side wall, but the fixing is insufficient and the cover does not hold well in position
Solution Approach 1:
The single large recess is segmented into multiple smaller recesses (at least two) distributed on the rear side of the outer wall. Correspondingly, the cover has multiple fixing elements that engage with these recesses. This segmentation provides multiple contact points that distribute the fixing load and prevent the cover from detaching, while keeping each individual recess simple to manufacture.
3Ease of operation
If the recesses are made much larger than the engaging parts of the clamping lugs, then the clamping lugs can engage easily with lateral play, but the positioning accuracy of the cover is compromised
Solution Approach 1:
The recesses are designed with non-uniform dimensions: they provide sufficient lateral play in the engagement direction to allow easy insertion of the clamping lugs, but have constrained dimensions in the positioning direction to ensure accurate positioning. This local differentiation of dimensional characteristics allows the recesses to simultaneously facilitate easy engagement and maintain precise positioning.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution provides a secure, aesthetically pleasing method for attaching covers to drawer side walls, allowing for easy installation and adjustment while maintaining the integrity of the viewing surface, with a lateral play adjustment for precise fitting.
Implementation Method 1
two elastically resilient separate clamping lugs, of which each one engages into one of the two recesses and thus permits secure positioning of the cover
Data Source
AI summary
A drawer side wall has an outer wall which has an exterior viewing surface and a rear side facing away from the exterior viewing surface, and has a cover which has a fastener, by which the cover can be fastened to the rear side of the outer wall. A rear side of a viewing section of the cover is configured to bear against the outer wall, and two separate recesses are spaced apart from each other on the rear side of the outer wall. The fastener includes two separate elastic clamping lugs, each of which is configured to engage in an associated recess in order to fasten the cover in position to the drawer side wall.