Server Case Limiting Mechanism for Tray Rail Stability

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Solution Overview

Problem

Existing server systems face instability and risk of tipping or collision due to weight imbalance when internal components are drawn out, as sliding rails do not prevent vertical movement, leading to potential injuries and damage.

Innovation Solution

A limiting mechanism with convex parts and sliding grooves on the server case and limiting holes on the server rack, which clamp in place to restrict vertical movement, ensuring the server case remains stable.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If sliding rails are used to support the server case, then ease of operation is improved, but stability of the object's composition deteriorates

Engineering Contradiction:
Improveease of operationVSAvoidstability
Core Design Contradiction:
Ease of operationVSStability of the object's composition

Solution Approach 1:

The limiting piece transitions from a static structure to a dynamic one with elastic clamping hooks that can automatically adjust and clamp onto the limiting rail. This dynamic mechanism maintains stability by allowing the limiting piece to adapt its position while preventing vertical movement of the server case.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The limiting mechanism is divided into separate functional components: the limiting piece with elastic clamping hooks, the limiting rail with limiting grooves, and the convex limiting protrusions. This segmentation allows each component to perform its specific function independently while working together to solve the stability problem.

Inventive Principle:
Principle #1Segmentation

2Ease of repair

If internal structures are drawn out for maintenance, then ease of repair is improved, but stability of the object's composition deteriorates

Engineering Contradiction:
Improveease of repairVSAvoidstability
Core Design Contradiction:
Ease of repairVSStability of the object's composition

Solution Approach 1:

The limiting mechanism is installed beforehand on the server rack before any maintenance operations. It proactively prevents the server case from tipping or moving vertically when internal structures are drawn out, counteracting the instability that would otherwise occur during repair operations.

Inventive Principle:
Principle #9Preliminary anti-action

3Ease of operation

If the server case is made movable on sliding rails, then ease of operation is improved, but reliability deteriorates

Engineering Contradiction:
Improveease of operationVSAvoidreliability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The limiting piece with elastic clamping hooks provides a dynamic restraint system that allows controlled movement along the sliding rails while preventing dangerous vertical movement or tipping. This maintains reliability by ensuring the server case remains securely positioned during operation and maintenance.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS9846460B2Server system and limiting mechanism used thereby
Publication Date: 2017.12.19 INVENTEC CORP
  • US9846460B2 patent drawing
  • US9846460B2 patent drawing
  • US9846460B2 patent drawing

AI summary

The present invention provides a server system and a limiting mechanism used thereby. Through mutual cooperation between the limiting mechanism which sets on a server rack and sliding grooves and limiting holes which are formed in outer side walls of a server case, when internal components of the server case are drawn out, a rear end of the server case can be effectively prevented from turning up or falling down, the problem of case fixation when the server rack uses a tray type sliding rail is solved, the structure is simple and reliable and the practicability is very high.