Slide Rail Assembly Nested Structure for Server Chassis Displacement
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional slide rail assemblies are inadequate for high-density server chassis, such as T-shaped chassis, as they do not allow for sufficient displacement of rails, limiting the maximum displacement and flexibility in mounting servers to racks.
Innovation Solution
A slide rail assembly design that includes a first rail, a second rail, a bracket base, and a third rail, where the second rail is longitudinally movable within the first rail's channel, enabling the bracket base to be displaced relative to the first bracket, thereby increasing the displacement distance and accommodating various chassis shapes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If a conventional slide rail assembly is used, then the structure is simple and easy to manufacture, but the maximum displacement of the rail is limited and insufficient for high-density server chassis
Solution Approach 1:
The patent implements a nested rail structure where the second rail is movably connected to the first rail, and the third rail is movably connected to the second rail. This nested arrangement allows multiple rails to be disposed within each other, enabling extended displacement distance while maintaining a compact retracted profile. The nested configuration resolves the contradiction by providing large displacement capability without proportionally increasing overall structural complexity.
Solution Approach 2:
The patent employs multiple movable connections between rails and brackets, allowing the system to dynamically adjust its configuration. The first bracket is movably connected to the bracket base, the second bracket is movably connected to the first rail, and subsequent rails are movably connected to previous rails. This dynamic design enables the slide rail assembly to adapt to different chassis positions and orientations, increasing displacement capability while maintaining manufacturing feasibility through standardized movable connection components.
2Adaptability or versatility
If the rail displacement distance is increased to accommodate T-shaped chassis, then the adaptability to various chassis configurations is improved, but the device complexity increases
Solution Approach 1:
The patent designs the slide rail assembly with universal applicability to different server chassis types, including conventional and T-shaped chassis. The multi-rail configuration with movable connections between rails and brackets provides versatile mounting capabilities that can accommodate various chassis shapes and sizes. The same basic structure serves multiple functions by adjusting the extension position of rails and brackets, resolving the contradiction between adaptability and complexity through design universality.
Solution Approach 2:
The patent divides the slide rail assembly into segmented components: multiple rails (first rail, second rail, third rail), multiple brackets (first bracket, second bracket), and a bracket base. Each segment can independently move or adjust its position, allowing the assembly to adapt to different chassis configurations. This segmentation enables flexibility and adaptability while keeping individual components relatively simple and manageable.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A slide rail assembly (20) includes a first rail (22), a second rail (24), a bracket base (26), and a bracket (28). The first rail (22) defines a channel (36). The second rail (24) is movably connected to the first rail (22) and is longitudinally displaceable relative to the first rail (22) in the channel (36) of the first rail (22). The bracket base (26) is connected to the first rail (22). The bracket (28) is movably connected to the bracket base (26). When displaced in an extending direction (D1) from a retracted position toward an extended position relative to the first rail (22), the second rail (24) drives the first rail (22) to displace the bracket base (26) from a first position (P1) to a second position (P2) relative to the bracket (28).