Pull-Out Drawer Rail Layout for Front Panel Stability
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Solution Overview
Problem
Movable furniture pull-outs often lack stability, especially in the upper area where forces are greatest, due to side walls not extending fully and requiring additional support to prevent the front panel from inclining or striking issues.
Innovation Solution
A rail system with a railing rod arranged below the side wall and an adjustment device that changes the effective length of the railing rod, allowing the front panel to tilt and be aligned, while the side wall is supported above the rail system for increased stability, and a detachable storage system for waste separation that can be easily removed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the side wall is extended to full height to increase stability, then the stability of the front panel improves, but the ease of operation deteriorates due to increased weight and difficulty in sliding
Solution Approach 1:
The side wall is segmented into two parts: an upper side wall portion extending from the top edge down to above the rail system, and a lower side wall portion extending from the top edge down to below the rail system. This segmentation allows the upper portion to provide stability while the lower portion remains lightweight for easy operation.
Solution Approach 2:
The railing rod is positioned in a different spatial dimension - below the rail system rather than integrated with the upper side wall. This dimensional relocation allows the railing rod to provide structural support without adding weight to the sliding components, thus maintaining ease of operation while improving stability.
2Stability of the object's composition
If additional support structures are added to increase stability, then the stability of the front panel improves, but the device complexity increases
Solution Approach 1:
The lower side wall portion serves multiple functions: it provides structural support for the front panel, acts as a guide for the rail system, and serves as the railing rod support structure. This multi-functionality reduces the need for additional separate support components, thereby reducing overall device complexity.
Solution Approach 2:
The railing rod is merged with the lower side wall portion, where the lower side wall portion acts as both the side wall structure and the railing rod support. This merging eliminates the need for separate support brackets or additional structural elements, simplifying the overall design.
3Device complexity
If the railing rod is made fixed to simplify the structure, then the device complexity decreases, but the adaptability deteriorates due to inability to adjust for tolerance variations
Solution Approach 1:
The railing rod is designed with adjustable length capability, allowing it to be dynamically adapted to different tolerance conditions. The adjustable nature enables the railing rod to accommodate variations in guide system positioning while maintaining a relatively simple overall structure.
Solution Approach 2:
The length of the railing rod can be changed as a parameter to compensate for tolerance variations in the guide system and front panel alignment. This parameter adjustment allows the same basic structure to adapt to different assembly conditions without requiring complex adjustment mechanisms.
Data Source
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AI summary
The invention relates to a movable furniture pull-out (11) for a piece of furniture (10), comprising a side wall (4) that is arranged between a rear wall (2) and a front panel (3) and a rail (1) that is arranged between the rear wall (2) and the front panel (3), wherein the rail (1) is arranged below the side wall (4).