Interface Card Cage Asymmetry for Server Installation
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Solution Overview
Problem
The internal space constraints of servers make it difficult to easily install or remove interface cards due to their compact design.
Innovation Solution
An interface card cage is designed with a first assembly and a second assembly, where the first assembly includes a side wall, a bent portion, and a protrusion, and the second assembly has a slot and edges that restrict movement, allowing the interface card cage with the riser card and interface cards to be easily moved and installed as a single module.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If electronic components are compactly installed to maximize space utilization, then space efficiency is improved, but the ease of installing or removing interface cards deteriorates
Solution Approach 1:
The interface card cage is divided into a first assembly (containing side walls and bent portion) and a second assembly (containing the slot and base part), allowing the interface card to be installed and removed as a separate module without disturbing other compactly installed components. This segmentation enables easy access to the interface card while maintaining compact overall server design.
2Ease of operation
If the interface card is designed to be easily installed or removed, then ease of operation is improved, but device complexity increases due to additional assembly structures
Solution Approach 1:
The first assembly and second assembly are combined through the slot-recess interface to form an integrated interface card cage structure. This merging approach allows the complex functionality of easy installation and removal to be achieved through a unified structure rather than separate complex mechanisms, thereby reducing overall device complexity while maintaining operational ease.
3Reliability
If movement restriction structures are added to secure the interface card, then reliability is improved, but device complexity increases
Solution Approach 1:
The slot in the second assembly and the recess in the first assembly have asymmetric geometries that provide movement restriction in specific dimensions. This asymmetric design ensures reliable securing of the interface card through precise geometric interlocking, while the simplicity of the asymmetric shapes avoids adding excessive structural complexity.
Data Source
AI summary
An interface card cage includes a first assembly and a second assembly. The first assembly includes a first side wall, a second side wall, and a bent portion. The second side wall has an opening. The bent portion and the first side wall extend in different directions. The bent portion includes a protrusion extending from the bent portion. The second assembly includes an assembly part having a slot. The assembly part includes a first side plate and a second side plate. The first side plate has a recess. The assembly part has a first edge and a second edge. A direction from the first edge to the second edge is different from a direction from the first side plate to the second side plate. The bent portion of the first assembly is located in the slot. The protrusion is located in the recess.