Server Chassis Rail With Plastic Slide Sleeves
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Solution Overview
Problem
Conventional server chassis slide rails require large and expensive rollers, which increase costs and complicate assembly due to the space they occupy and the friction they generate, making it difficult to efficiently move heavy drawers.
Innovation Solution
A server chassis rail design featuring parallel troughs on a guide plate with plastic slide sleeves and engagement latches, allowing the inner rail to slide easily without the need for rollers, reducing friction and assembly complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If rollers are used in the outer rail to reduce friction, then the resistance force against relative movement is reduced, but the slide rail becomes large-size and expensive
Solution Approach 1:
The patent removes the rollers from the outer rail structure entirely. Instead of using rollers to reduce friction, the invention uses a different approach by having the inner rail directly contact the outer rail through engagement latches and positioning plates, eliminating the need for separate roller components while still achieving smooth movement
Solution Approach 2:
The patent replaces the mechanical roller system with a direct engagement system using positioning plates and engagement latches. The inner rail's positioning plates engage with the outer rail's grooves, creating a mechanical connection that allows smooth movement without requiring traditional rollers
2Force
If rollers are installed in the outer rail, then friction is reduced, but assembly becomes difficult and costs increase
Solution Approach 1:
The patent combines the functions of the roller bearing and the structural support into a single integrated system. The positioning plates on the inner rail and the corresponding grooves on the outer rail work together as a unified mechanism, eliminating the need for separate roller components and simplifying the assembly process
Solution Approach 2:
The engagement latches on the inner rail automatically engage with the grooves on the outer rail during assembly, creating a self-aligning and self-assembling mechanism. The positioning plates and grooves are designed to work together without requiring precise manual alignment or additional fastening operations
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design reduces costs and simplifies assembly by eliminating the need for rollers, enabling smooth movement of heavy drawers with reduced friction, thus enhancing the operational efficiency and cost-effectiveness of server chassis systems.
Implementation Method 1
By utilizing the plastic slide sleeves, the inner rail can easily slide with respect to the outer rail, so there is no need for installing large-size and expensive rollers in the outer rail, thereby reducing costs and facilitating easy assembly.
Data Source
AI summary
A server chassis rail includes a guide plate. The guide plate is of a strip shape. Two sides of the guide plate have two troughs arranged opposite to each other in parallel and spaced apart relationship. Multiple plastic slide sleeves are disposed in the two opposing troughs, and each of the slide sleeves protrudes from an inner surface of the corresponding trough. Production costs are reduced by utilizing the plastic slide sleeves instead of rollers.