Slide rail assembly
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Solution Overview
Problem
Conventional slide rail assemblies lack sufficient structural strength, particularly in overextended positions, where external forces can cause lateral deformation or twisting, compromising their reliability.
Innovation Solution
The slide rail assembly incorporates a bracket with extension sections that enclose the lateral sides of the rails, providing additional support and preventing lateral deformation by creating a support channel that partially encloses the rails, enhancing their structural strength.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional brackets are used to mount the rail, then the device complexity is reduced, but the structural strength and reliability deteriorate due to insufficient lateral support
Solution Approach 1:
The bracket is divided into multiple functional sections: a main body portion for mounting, and multiple extension sections (first, second, third extension sections) that extend in different directions. Each extension section provides targeted support to specific areas of the rail, allowing the bracket to deliver comprehensive lateral support through segmented structural elements rather than a single complex monolithic design.
Solution Approach 2:
The bracket design incorporates extension sections that protrude in multiple spatial dimensions from the main body. The first extension section extends in a first direction, the second extension section extends in a second direction, and the third extension section extends in a third direction, creating a three-dimensional support structure that encloses the rail laterally from multiple angles, thereby enhancing structural strength through dimensional expansion.
2Ease of operation
If the rail is allowed to extend fully for maximum displacement, then the ease of operation is improved, but the structural strength deteriorates due to lateral deformation in overextended positions
Solution Approach 1:
The bracket provides preliminary lateral support to the rail at the mounting position before the rail is extended. The multiple extension sections are positioned to engage with the rail and prevent lateral deformation from the outset, creating a stable baseline support structure that maintains structural integrity throughout the extension range, including in overextended positions.
Solution Approach 2:
The bracket acts as an intermediary support structure between the mounting surface and the rail. The extension sections serve as intermediate support points that distribute and transfer lateral loads away from the rail, preventing direct stress concentration on the rail structure itself during extension, thereby maintaining structural strength while allowing full displacement.
Data Source
AI summary
A slide rail assembly includes a first rail, a second rail, and a bracket device. The second rail can be displaced with respect to the first rail. The bracket device is adjacent to the first rail and includes a bracket with an upper wall, a lower wall, a sidewall, and a first and a second extension section. The sidewall is connected between the upper and the lower walls. The first and the second extension sections extend from and are bent with respect to the upper and the lower walls respectively. The first rail is partially enclosed in a support channel defined by the upper wall, the lower wall, the sidewall, and the extension sections of the bracket.