Slide rail assembly
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing slide rail assemblies are not strong enough to support heavy objects stably when in an extended state, necessitating a solution that enhances supporting capability.
Innovation Solution
A slide rail assembly with at least four rails, featuring a supporting frame, first, second, and third rails, where the first rail is movable relative to the supporting frame, the second rail is movable relative to the first rail, and the third rail is movable relative to the second rail, with specific configurations to support each other when extended.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a conventional slide rail assembly with fewer rails is used, then the device complexity is lower, but the supporting capability and structural strength when extended are insufficient for heavy objects
Solution Approach 1:
The patent implements a nested rail configuration where the first rail is accommodated within the supporting frame, the second rail is accommodated within the first rail, and the third rail is accommodated within the second rail. This nesting arrangement allows multiple rails to be integrated in a compact manner, enhancing supporting capability for heavy objects while maintaining reasonable device complexity through space-efficient design
Solution Approach 2:
The slide rail assembly is divided into multiple independent rail segments (supporting frame, first rail, second rail, third rail) that can move relative to each other. Each rail segment is equipped with independent moving components and positioning mechanisms, allowing the system to distribute mechanical loads across multiple segments, thereby enhancing overall supporting capability while maintaining manageable complexity through modular design
2Length of moving object
If the slide rail assembly is extended to increase working range, then the accessibility and working space are improved, but the structural stability and supporting strength decrease
Solution Approach 1:
The nested rail configuration ensures that even when extended, the rails maintain a compact cross-sectional profile. The first rail extends from the supporting frame, the second rail extends from the first rail, and the third rail extends from the second rail, creating a telescopic structure that preserves structural integrity and stability while achieving extended working length
Solution Approach 2:
The patent utilizes the radial dimension by nesting rails concentrically within each other. When extended, the rails extend primarily in the longitudinal dimension while maintaining compactness in the radial dimension. This dimensional strategy allows the assembly to achieve extended length without compromising structural stability, as the nested configuration provides mutual support and maintains rigidity
Data Source
AI summary
A slide rail assembly includes a supporting frame, a first rail, a second rail and a third rail. The first rail is movable relative to the supporting frame. The second rail is movable relative to the first rail. The third rail is movable relative to the second rail. When the slide rail assembly is at an extending state, the first rail is located at a predetermined position relative to the supporting frame, the second rail is located at an extended position relative to the first rail, the third rail is located at an opened position relative to the second rail and a rear rail section of the third rail is overlapped with a front rail section of the first rail.