Drawer Wall Profile With Resilient Tab for Base Thickness Variation
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Solution Overview
Problem
Existing drawer wall elements face challenges in maintaining stability and precision during manufacturing, particularly when dealing with variations in drawer base thickness, which can lead to improper fitting and instability.
Innovation Solution
A drawer wall element design featuring a wall profile part with a bottom receiving profile part that includes a support surface and a web section connected via a material bend, incorporating a freely resilient tab to adapt to varying drawer base thicknesses, ensuring secure clamping and stability through a combination of angled contact sections and S-shaped bends, and optional fastening methods like welding or riveting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a fixed rigid structure is used for the bottom receiving profile part, then manufacturing precision is improved, but adaptability to varying drawer base thicknesses deteriorates
Solution Approach 1:
The patent applies the dynamics principle by transforming the rigid bottom receiving profile part into a dynamic structure with a resilient tab that can elastically deform. The tab is connected via an S-shaped bend, allowing it to adapt its position and pressing force according to the actual thickness of the drawer base, while maintaining precise geometric relationships through its engineered bend radii and connection points.
Solution Approach 2:
The patent implements parameter changes by designing the resilient tab with specific geometric parameters (bend radii r1 and r2, connection distances a and b) that allow the structure to change its effective dimensions and pressing force. These parameter changes enable the same component to accommodate various drawer base thicknesses while maintaining manufacturing precision through controlled elastic deformation.
2Adaptability or versatility
If a resilient tab with S-shaped bend is used, then adaptability to thickness variations is improved, but device complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the bottom receiving profile part into distinct functional segments: the support surface portion, the S-shaped bend connection, and the resilient tab portion. This segmentation allows each part to perform its specific function independently while simplifying the overall design - the S-shaped bend acts as a dedicated elastic element, and the tab provides the adapting contact, reducing the need for complex adjustment mechanisms.
Solution Approach 2:
The resilient tab with S-shaped bend serves itself by automatically adjusting its pressing force and position based on the drawer base thickness without requiring external control or adjustment mechanisms. The elastic deformation of the S-shaped bend naturally provides the adapting force, eliminating the need for additional complex components or adjustment procedures.
3Adaptability or versatility
If the resilient tab is raised above the bearing surface, then adaptability to thickness deviations is improved, but manufacturing precision requirements increase
Solution Approach 1:
The patent uses parameter changes by establishing specific geometric relationships for the raised tab, including the height above the bearing surface, the bend radii (r1 for the S-shaped bend, r2 for the tab connection), and the distances (a and b) from reference points. These controlled parameter changes allow the tab to provide adaptability through elastic deformation while maintaining manufacturing precision through well-defined geometric constraints that guide the deformation behavior.
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 design allows for rational and qualitative manufacturing of drawers by accommodating thickness deviations, preventing drawer bottom displacement and increasing storage space while ensuring secure attachment and stability.
Implementation Method 1
a freely resilient tab which is raised from the support surface or the web section
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
The invention relates to a drawer wall element (1) for a drawer. An edge portion (18c) of a drawer base (18) can be installed onto the drawer wall element in order to form a drawer lateral wall which adjoins the drawer base (18). The drawer wall element (1) comprises a profiled wall part (3) and a profiled base-receiving part (2), and a support surface (10), which is provided on the profiled base-receiving part (2), is provided on the drawer wall element (1) in order to support the lower face of a drawer base (18) which can be installed on the drawer wall element. The profiled wall part comprises a chamber portion with an inner wall sheet metal portion (6) and an outer wall sheet metal portion (7) which are mutually spaced in an opposing manner across a width dimension of the drawer wall element (1) and are connected by a bent section (8, 8a, 8b). The invention is characterized in that a bearing portion (11) is provided which is angled upwards towards the support surface (10), and a connecting portion (12) is provided on the profiled base-receiving part (2) above and at a distance to the support surface (10), said connecting portion adjoining the bearing portion (11) by means of a bent material section (11d). At least one freely elastic tab (16) which protrudes past the surface of the support surface (10) or the connecting portion (12) face facing the support surface is provided in the support surface (10) and/or in the connecting portion (12).