Drawer Wall Element with Segmented Hollow Profiles for High Loads
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Solution Overview
Problem
Existing drawer wall elements for high-quality drawers with high maximum load and long service life require enhanced stability while minimizing material usage and production costs, especially during repetitive dynamic opening and closing processes.
Innovation Solution
A drawer wall element design featuring separate wall and base profile parts made of sheet metal, connected through welding, gluing, or clinching, with a chamber section and extension section providing a bearing surface for the drawer bottom, and a web section for additional support, allowing for efficient material use and maximum mechanical stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If drawer wall elements are designed with high stability for high maximum load and long service life, then mechanical stability and load-bearing capacity are improved, but material usage and production costs increase
Solution Approach 1:
The drawer wall element is divided into separate wall profile part and base profile part that are connected together. The wall profile part contains a chamber section with inner and outer wall sheet metal sections spaced apart, creating a lightweight yet stable structure. This segmentation allows each component to be optimized independently for strength while minimizing overall material usage.
Solution Approach 2:
The drawer wall element combines multiple sheet metal components (inner wall section, outer wall section, base profile part) into a composite structure. The chamber section creates a hollow composite form that provides high strength-to-weight ratio, achieving maximum mechanical stability with reduced material consumption compared to solid construction.
2Duration of action of stationary object
If drawer wall elements are designed for high maximum load with repetitive dynamic processes, then durability and service life are improved, but structural complexity increases
Solution Approach 1:
The structure is segmented into modular wall profile part and base profile part that can be assembled separately and connected through standardized connection methods (welding, gluing, or clinching). This modularity simplifies manufacturing and assembly processes while ensuring durability through precise fit-up and connection of components designed for repetitive dynamic loading.
3Productivity
If separate wall and base profile parts are produced and connected, then manufacturing efficiency and material optimization are improved, but assembly complexity increases
Solution Approach 1:
The wall profile part and base profile part are produced separately to optimize manufacturing processes and material utilization for each component. The chamber section in the wall profile part is formed through efficient sheet metal forming operations, while the base profile part is independently fabricated. This segmentation enables specialized production techniques for each component, improving overall manufacturing efficiency despite requiring assembly of multiple parts.
Solution Approach 2:
The separate wall profile part and base profile part are merged through connection processes (welding, gluing, or clinching) to form the complete drawer wall element. This merging of independently optimized components achieves the balance between manufacturing efficiency and assembly requirements, allowing each part to be produced using the most suitable process for its specific geometric and material requirements.
Data Source
AI summary
Disclosed is a drawer wall element (4) for a drawer, into which an edge section of a drawer base can be fitted, the drawer wall element (4) comprising a wall profile part (3) and a base receiving profile part (1) which can be interconnected to provide, on the produced drawer wall element (4), a contact surface on the base receiving profile part (1) for supporting the underside of a drawer base that can be fitted into the drawer wall element (4). According to the invention, the wall profile part (3) comprises a chamber section (13) having an inner-wall sheet section and an outer-wall sheet section (15), the base of the outer-wall sheet section (15) transitioning into an extension section which extends downwards further than a lower edge of the inner-wall sheet section, and a mounting section that is bent upwards in relation to the contact surface is provided on the base receiving profile part (1). When the parts are interconnected, the mounting section is supported by its rear face on the extension section and the contact surface for the drawer base extends across the space between the inner-wall sheet section and the outer-wall sheet section (15).