Rack Slide Rail Support Structure for Stable Chassis Mounting
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Solution Overview
Problem
Existing slide rail assemblies for rack systems do not effectively support devices of varying shapes, as they lack a direct contact mechanism to securely hold the upper part of the chassis, limiting their adaptability and stability.
Innovation Solution
A slide rail assembly comprising a rack with first and second posts, where each slide rail assembly includes a support rail with a supporting part that directly contacts the bottom surface of the chassis, enhancing the contact area and stability by extending from the upper edge of the lower part's sides, allowing for secure engagement and adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional slide rail assemblies are used without a direct contact supporting part, then the structure remains simple, but the stability and adaptability for devices of different shapes deteriorates
Solution Approach 1:
The support rail is divided into distinct functional segments: a supporting part that directly contacts the chassis bottom surface, a connecting part that joins to the slide rail, and positioning features. This segmentation allows each part to perform its specific function optimally while maintaining overall structural integrity.
Solution Approach 2:
The supporting part acts as an intermediary element between the slide rail assembly and the chassis upper part. It provides direct contact and support where traditional designs had gaps, enabling stable support for various chassis shapes without requiring complex adaptive mechanisms.
2Adaptability or versatility
If a support rail with supporting part is added to directly contact the chassis, then the adaptability and stability improve, but the device complexity increases
Solution Approach 1:
The support rail assembly serves multiple functions: it provides direct supporting contact for the chassis upper part, enables sliding movement along the slide rail, offers positioning through engagement features, and adapts to various chassis configurations. This multi-functionality achieves high adaptability without requiring multiple separate components.
Solution Approach 2:
The connection between the support rail and slide rail incorporates movable elements that allow the assembly to adapt dynamically to different chassis shapes and positions. The engaging parts can adjust their configuration while maintaining stable support, providing versatility without fixed complex structures.
3Area of stationary object
If the supporting part directly contacts the bottom surface of the upper part, then the contact area increases and stability improves, but the manufacturing complexity increases
Solution Approach 1:
The supporting part features localized contact surfaces with specific geometric properties optimized for direct contact with the chassis bottom surface. These local quality enhancements are concentrated only where needed for support, rather than requiring complex features throughout the entire component, simplifying manufacturing.
Solution Approach 2:
The supporting part's contact surface parameters (area, orientation, curvature) are specifically designed to maximize contact with various chassis bottom surfaces. By optimizing these parameters within standard manufacturing capabilities, the design achieves large effective contact area without excessive manufacturing complexity.
4Manufacturing precision
If the bottom surface is extended and bent relative to the upper edge, then the engagement precision and adjustment capability improve, but the manufacturing precision requirements increase
Solution Approach 1:
The supporting part is pre-configured with the extended and bent bottom surface geometry during manufacturing. This preliminary action ensures that the precise engagement features are built-in, allowing for high engagement precision during assembly without requiring complex real-time adjustments or post-processing.
Solution Approach 2:
The bottom surface geometry parameters (extension length, bend angle, curvature) are carefully selected to achieve the desired engagement precision while remaining within standard manufacturing tolerances. This balances the need for precise engagement with practical manufacturability.
Data Source
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AI summary
A rack system (10) includes a rack (12), a slide rail assembly (14, 16) and a chassis (18). The slide rail assembly (14, 16) is mounted to the rack (12). The chassis (18) includes an upper part (26) and a lower part (28). The upper part (26) has an upper part width, and the lower part (28) has a lower part width narrower than the upper part width. Wherein, the lower part (28) is engaged with the slide rail assembly (14, 16).