Server Rack Cable Management Arm Snap-Fit Design
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Solution Overview
Problem
Conventional cable management arms in server racks require time-consuming and insecure installation processes, with positioning elements easily loosening or falling apart, leading to manufacturing inefficiencies and maintenance challenges.
Innovation Solution
A cable management arm design featuring pivotally coupled cable frames with snap connections and elastic plates for secure attachment to a slide and server rack, allowing easy extension and retraction, and a support frame for stability, reducing manufacturing costs and improving installation security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional screw positioning elements are used to attach cable management arm, then the connection can be secure, but the installation and removal process becomes time-consuming and the positioning elements may loosen or fall apart
Solution Approach 1:
The patent replaces the conventional screw-based mechanical fastening system with a snap-fit elastic plate mechanism. The elastic plate with snap portions engages with snap holes in the connecting bases, providing secure attachment without requiring screws or tools. This substitution maintains connection reliability while dramatically reducing installation and removal time, as users can simply press the elastic plate to detach it without loosening any fasteners.
Solution Approach 2:
The elastic plate design incorporates self-latching functionality where the snap portions automatically engage with the snap holes upon insertion, providing secure fixation without additional fastening steps. The elastic material provides continuous contact pressure to maintain the connection, and the design allows for easy self-release by pressing the release portion, enabling users to quickly remove and reattach the cable management arm without tools or complex procedures.
2Reliability
If complex cable management arm structure is used, then cable management effectiveness is improved, but manufacturing cost increases and installation becomes more difficult
Solution Approach 1:
The cable management arm is divided into distinct modular components: cable frames for organizing cables, connecting bases for mounting to the server rack and slide, and elastic plates for attachment. This segmentation allows each component to be optimized independently for its specific function while simplifying the overall structure. The modular design reduces manufacturing complexity and enables easier assembly and maintenance compared to a monolithic complex structure.
Solution Approach 2:
The connecting bases are designed with universal snap holes that work with standardized elastic plates, creating a multi-functional attachment system. The cable frames can accommodate different cable types and configurations while maintaining the same basic structure. This universality reduces the need for multiple specialized components, simplifying the overall device complexity while maintaining effective cable management across different installation scenarios.
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
Simplifies the design, lowers manufacturing costs, and provides a secure and efficient installation process that prevents components from loosening or falling off, enhancing cable management and maintenance accessibility.
Implementation Method 1
a first elastic plate, with an end fixed to a side of the first through hole, and having at least one first snap portion corresponsive to the first through hole
Implementation Method 2
the two cable frames being pivotally coupled as a whole by a head-to-tail connection method
Data Source
AI summary
A cable management arm of a server rack includes two cable frames, two first connecting bases and two first connecting members. The cable frames are pivotally connected with each other as a whole, and the first connecting bases are installed between a rear end of a slide and the server rack, and the first connecting members are installed at open ends of the cable frames respectively. A first snap portion designed on a first elastic plate of the first connecting member is snapped into the first connecting base by the elasticity of the first elastic plate and provided for accommodating at least one connecting wire. The cable management arm may change its length as the slide is stretched or pushed, and the structural design of the first connecting base and the first connecting member is simplified significantly to lower manufacturing costs and facilitate installation and removal.