Drawer Wall Element with Resilient Tab for Variable Base Thickness
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Solution Overview
Problem
Existing drawer wall elements face challenges in achieving economical and qualitative stability, particularly in accommodating variations in drawer base thickness during production, which affects clamping force and stability.
Innovation Solution
A drawer wall element design featuring a profiled base-receiving part with a support surface and a web portion connected by a bent section, including a freely resilient tab that can adapt to varying drawer base thicknesses, ensuring secure clamping and additional support through a bearing portion and web structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a fixed rigid structure is used for the base-receiving 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 fixed structure into a dynamic adaptable structure through the resilient tab. The tab can elastically deform and adjust its position to accommodate different drawer base thicknesses while maintaining secure clamping. This allows the same manufactured component to adapt to varying dimensions without requiring multiple precision-manufactured variants.
Solution Approach 2:
The patent implements parameter changes by designing the resilient tab with variable geometric parameters (length, thickness, material properties) that allow it to change its mechanical behavior. The tab's resilience parameter enables it to deform under load and adapt to different base thicknesses, while the clamping force parameter remains sufficient to prevent drawer base springing out.
2Adaptability or versatility
If a resilient tab is added to accommodate thickness variations, then adaptability is improved, but device complexity increases
Solution Approach 1:
The patent applies the merging principle by integrating the resilient tab directly into the base-receiving part as a unified structure. Rather than adding a separate complex adjustment mechanism, the tab is formed as part of the base-receiving component itself, combining the functions of support, clamping, and adaptation into a single integrated element.
Solution Approach 2:
The patent utilizes the flexible shell principle by employing a thin resilient tab that can elastically deform. This thin flexible element provides the necessary adaptability to thickness variations without requiring complex mechanical structures, achieving simplicity through the use of material flexibility rather than structural complexity.
3Force
If the support surface and web portion are arranged to overlap largely, then clamping force is improved, but the risk of drawer base springing out increases
Solution Approach 1:
The patent applies dynamics by using the resilient tab to create a dynamic clamping system. The tab can elastically deform to provide strong clamping force when the drawer base is properly installed, while also allowing for slight movements and adjustments. This dynamic behavior prevents the drawer base from springing out by maintaining continuous contact and adaptive pressure.
Solution Approach 2:
The patent implements beforehand cushioning by designing the resilient tab to provide pre-compression and cushioning force against the drawer base. This pre-applied elastic force ensures that the drawer base is held securely in position before any external forces act on it, preventing springing out by maintaining constant contact pressure.
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
The design effectively adapts to varying drawer base thicknesses, providing a secure clamping force and preventing the drawer base from springing out, while enhancing stability and rigidity through the use of a welded or riveted joint and an S-shaped bent section.
Implementation Method 1
at least one freely resilient tab which protrudes past the surface of the support surface or the side of the web portion facing the support surface is provided in the support surface and/or in the web portion... a pressing force can be ensured when a thickness of the drawer base varies
Implementation Method 2
the profiled wall part comprises a chamber portion having an inner wall sheet metal portion and an outer wall sheet metal portion, which are distanced from one another in an opposing manner across a width dimension of the drawer wall element and are connected by a bent section
Implementation Method 3
enhancing stability and rigidity through the use of a welded or riveted joint
Implementation Method 4
enhancing stability and rigidity through the use of a welded or riveted joint
Data Source
AI summary
A drawer wall element for a drawer. An edge portion of a drawer base can be installed thereon, forming a drawer side wall. The drawer wall element comprises a profiled wall part and a profiled base-receiving part. A support surface is present on the profiled base-receiving part. The profiled wall part comprises a chamber portion having inner and outer wall sheet metal portions, spaced from one another in an opposing manner across a width of the drawer wall element and connected by a bent section. A bearing portion is angled upwards towards the support surface. A web portion is provided on the profiled base-receiving part above and spaced from the support surface. At least one freely resilient tab protrudes past the support surface or the side of the web portion facing the support surface.