Server Cable Management Structure with Dynamic Arm Extension
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Solution Overview
Problem
The existing server cable management structures restrict the outward movement of a server drawer due to a fixed distance between lateral frame racks, limiting the sliding range of the inner sliding rail and causing user inconvenience.
Innovation Solution
A server cable management structure comprising a first arm member, intermediate arm member, second arm member, connection members, cable holders, a sliding bar, and spring members, which allow the drawer to be pulled outward further by extending the arm members and stretching the spring members, enabling greater pull-out distance with controlled cabling extension.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the cable management structure is folded behind the drawer with fixed lateral frame rack distance, then the structure is compact, but the drawer sliding range is restricted
Solution Approach 1:
The cable management structure employs multiple arm members (first arm member, second arm member, third arm member) that can dynamically extend and retract relative to each other through pivot connections. This dynamic configuration allows the structure to adapt its length based on drawer position, enabling greater sliding range while maintaining compactness when not in use.
Solution Approach 2:
The cable management structure is divided into multiple segmented arm members connected by pivot pins, allowing each segment to move independently. This segmentation enables the structure to achieve extended lengths for greater drawer sliding range while folding into a compact configuration when the drawer is retracted.
2Ease of operation
If the cable management structure is extended to increase sliding range, then the drawer can move further outward, but the cable extension becomes uncontrolled
Solution Approach 1:
The spring members change their elastic parameters (force constant) based on extension distance, providing increasing resistance as the arm members extend. This parameter change ensures that cable extension remains controlled throughout the entire range of motion, preventing uncontrolled cable deployment while enabling greater pull-out distance.
Solution Approach 2:
The spring members provide continuous force feedback to the arm members during extension, creating a self-regulating system where the resistance force increases with extension distance. This feedback mechanism automatically controls cable extension without requiring external control systems.
3Ease of operation
If a fixed cable management structure is used, then the structure is simple, but the user access convenience is poor
Solution Approach 1:
The dynamic multi-arm structure automatically adjusts its configuration based on drawer position, providing optimal cable management for each stage of drawer extension. This dynamic adaptation improves user access convenience without requiring complex control systems, as the mechanical design itself provides the necessary adaptability.
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
Facilitates a greater pull-out distance of the server drawer with controlled cabling extension, providing convenient access and ensuring smooth operation by utilizing the elastic restoring energy of the spring members to retract the sliding bar.
Implementation Method 1
the elastic restoring energy of the spring members immediately pulls back the sliding bar
Data Source
AI summary
A server cable management structure includes a first arm member and a second arm member respectively pivotally coupled to the outer and inner sliding rails of a sliding rail assembly which is connected to a drawer of a server. An intermediate arm member is pivotally coupled between the first and second arm members, and a sliding bar is slidably coupled to the first arm member, with at least one spring member connected between the first arm member and the sliding bar, and a connection frame connected to the sliding bar and pivotally connected to the outer sliding rail. The inner sliding rail is movable outward a first distance when the first arm member is fully extended outward relative to the second arm member, and outward a further distance while stretching the at least one spring member when the sliding bar is fully extended outward relative to the first arm member.