Slide rail assembly
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Solution Overview
Problem
Existing slide rail assemblies with handles lack an efficient mechanism to move the second rail from a predetermined position to another, requiring significant user effort, especially when carrying objects.
Innovation Solution
A slide rail assembly comprising a first rail, a bracket, a supporting feature, a second rail, and a handle, where the handle moves to contact the supporting feature, driving the second rail to move from a first to a second predetermined position relative to the first rail.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a handle is added to enable manual operation of the second rail, then ease of operation is improved, but device complexity increases due to additional components needed to connect the handle to the rail movement mechanism
Solution Approach 1:
The supporting feature is positioned at a specific location that creates a mechanical advantage, allowing the handle to efficiently transfer user force to the second rail. By optimizing the position and geometry of the supporting feature, the system achieves effective force transmission without requiring complex linkages or multiple components.
Solution Approach 2:
The supporting feature acts as an intermediary element between the handle and the second rail. When the handle is moved, it contacts the supporting feature which then transfers the force to move the second rail. This intermediary simplifies the connection mechanism compared to directly attaching the handle to the rail.
2Adaptability or versatility
If the second rail is designed to carry objects, then adaptability is improved, but force required to move the rail increases
Solution Approach 1:
The supporting feature is strategically positioned to create optimal leverage, reducing the force required from the user. The geometry and location of the supporting feature are designed to minimize the effort needed to overcome the weight of carried objects, making the system efficient even when carrying loads.
Data Source
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AI summary
A slide rail assembly (20, 200, 300, 400) includes a first rail (22, 206, 314, 414), a supporting feature (26, 202, 310, 410), a second rail (28, 216, 302, 402) and a handle (30, 214, 306, 406) . The supporting feature (26, 202, 310, 410) is arranged on one of the first rail (22, 206, 314, 414) and the second rail (28, 216, 302, 402). The handle (30, 214, 306, 406) is movably mounted on the other one of the first rail (22, 206, 314, 414) and the second rail (28, 216, 302, 402). When the handle (30, 214, 306, 406) is moved from a first operating position to a second operating position, the handle (30, 214, 306, 406) is configured to contact the supporting feature (26, 202, 310, 410) in order to drive the second rail (28, 216, 302, 402) to move from a predetermined position along a direction.