Server Sliding Rail Ball Bushing Release Structure for Stable Insertion
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Solution Overview
Problem
Conventional sliding rail assemblies for servers face issues with alignment during installation, leading to potential impact damage and server instability due to the weight of the server, which can cause the sliding rail to fall out of the carrier rail if not properly aligned.
Innovation Solution
A ball bushing positioning structure with a release hook and release control member that disengages the stop edges of the release hook from the ball bushing upon insertion of the sliding rail, allowing smooth movement and preventing impact during installation, comprising a carrier rail with a slot and a release hook with a protruding hook tail and retaining flange, and a release control member on the sliding rail to disengage the stop edges from the ball bushing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the sliding rail is inserted into the carrier rail without a release mechanism, then the ball bushing can be positioned initially, but the server may fall with the sliding rail out of the carrier rail during installation due to misalignment
Solution Approach 1:
The release hook is pre-positioned on the carrier rail with its stop edges initially engaging the ball bushing to provide preliminary positioning and support. This preliminary action ensures the ball bushing is correctly positioned before the sliding rail is fully inserted, preventing misalignment issues during installation.
Solution Approach 2:
The release hook acts as an intermediary mechanism between the carrier rail and the ball bushing. It provides a controlled interface that initially constrains the ball bushing position and then allows controlled release, mediating the interaction between the heavy server weight and the positioning structure.
2Reliability
If the stop edges of the release hook remain engaged with the ball bushing during insertion, then positioning is maintained, but impact damage occurs between the sliding rail and the ball bushing
Solution Approach 1:
The release hook is designed to dynamically change its state from engaged to disengaged during the insertion process. The release control member enables this dynamic transition, allowing the stop edges to initially engage for positioning and then disengage to allow smooth insertion without impact, adapting to different stages of the operation.
Solution Approach 2:
The release mechanism allows the stop edges to be quickly disengaged from the ball bushing during insertion, enabling the sliding rail to rush through the critical zone without causing impact damage. This rapid disengagement skips the harmful impact phase while maintaining positioning accuracy before impact.
3Reliability
If the ball bushing is firmly locked to the carrier rail, then positioning is secure, but the ball bushing cannot move smoothly with the sliding rail during operation
Solution Approach 1:
The system transitions from a static locked state to a dynamic movable state. The release hook initially provides firm locking to secure positioning, then through the release control mechanism, transitions to allow the ball bushing to move smoothly with the sliding rail during operation, adapting to the operational requirements.
Data Source
AI summary
A ball bushing positioning structure formed of a sliding rail, a carrier rail, a ball bushing, a release hook and a release control member is disclosed. When inserting the sliding rail with an affixed server into the ball bushing to a certain distance to release stop edges of upright guide walls of a retaining flange of the release hook from the stop walls of the ball bushing subject to the effect of the release control member, the ball bushing is moved with the sliding rail backwardly relative to the carrier rail, preventing falling of the server with the sliding rail out of the carrier rail and avoiding impact between the sliding rail and the ball bushing.