Drawer Side Wall Structure With Recessed Mounting for Thin Furniture
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Solution Overview
Problem
Conventional furniture designs with thick side walls for drawer guidance are aesthetically unappealing and inefficient in space usage, as they require significant installation space and material thickness to ensure stability.
Innovation Solution
The design features groove-like recessed assembly interfaces on the side walls, forming a ladder-like structure, which increases rigidity while allowing for thinner walls, enabling reliable guide unit attachment and expanded storage space without affecting installation width, and includes tool-free fastening options like bayonet or clip connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If thick side walls are used to ensure stability and support drawer weight, then the furniture structure is stable and reliable, but the furniture occupies more installation space and has reduced aesthetic appeal
Solution Approach 1:
The side wall is segmented into multiple functional zones: protrusions for rigidity enhancement, groove-like recesses for guide unit mounting, and flat mounting surfaces. This segmentation allows each zone to perform its specific function efficiently, enabling thin wall design while maintaining stability and providing adequate mounting space
Solution Approach 2:
The mounting interfaces are recessed into the side wall thickness dimension, creating groove-like structures that provide mounting space without increasing the external dimensions of the side walls. This allows guide units to be mounted on thin walls without compromising the furniture's overall compactness
2Reliability
If thick side walls are used to provide sufficient mounting surface area, then guide units can be reliably attached, but the side walls become bulky and less aesthetically pleasing
Solution Approach 1:
The side wall features localized protrusions with groove-like recesses that concentrate the mounting functionality in specific areas. These localized structures provide adequate mounting surface area and structural reinforcement only where needed, while the rest of the side wall maintains a clean, thin profile for aesthetic purposes
Solution Approach 2:
The mounting interfaces are nested within groove-like recesses in the side wall, allowing the guide units to be attached within the wall thickness rather than requiring additional external space. This nested arrangement provides reliable attachment while maintaining a sleek external appearance
3Strength
If protrusions are added to increase side wall rigidity, then thin walls can support drawer weight, but the mounting space for guide units may be reduced
Solution Approach 1:
The protrusions are designed with groove-like recesses on their surfaces, creating localized mounting zones that do not interfere with the overall rigidity enhancement. The grooves are positioned on the protrusion surfaces rather than reducing the protrusion volume, allowing both structural reinforcement and mounting functionality to coexist
Solution Approach 2:
The mounting interfaces utilize the surface area of the protrusions through recessed grooves, effectively using the third dimension (depth of the groove) to provide mounting space without reducing the protrusion's structural contribution to wall rigidity
Data Source
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AI summary
In a piece of furniture, comprising a furniture carcass (13) having two opposing carcass side walls (14a, 14b) and at least one pair of guide units (18) for guiding a movable furniture part (12), in particular a drawer, within the furniture carcass (13), wherein the carcass side walls (14a, 14b) each have at least one mounting interface (20a, 20b) having at least two mounting holes (22) arranged one behind the other in a side wall depth direction (21), to which the guide units (18) of the pair are attached opposite each other, the carcass side walls (14a, 14b) each have at least two projections (23) arranged one above the other in a side wall height direction (19) to increase their rigidity, wherein the projections (23) are located on the inside (24) of the respective carcass side wall (14a, 14b). are raised and have at least one assembly interface (20a,20b) is arranged in the side wall height direction (19) between adjacent features (23).