Pivoting Expansion Card Rail Mechanism for Space-Constrained Servers
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Solution Overview
Problem
Existing expansion card securing mechanisms occupy valuable space in servers and are not compatible with expansion cards of varying sizes, leading to inefficiencies in hardware installation and replacement.
Innovation Solution
An expansion card securing mechanism featuring a rail component that is pivotable and connected to a sliding unit with adjustable securing structures, allowing for secure attachment to expansion cards of different sizes without occupying additional space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional expansion card securing mechanism is used, then the expansion card is securely fixed, but it occupies valuable space in the server
Solution Approach 1:
The securing mechanism employs a sliding unit that can move along the rail component in the sliding direction. This dynamic design allows the securing structure to be positioned away from the expansion card during insertion, minimizing space occupation, and then slide into position to provide secure fixation when needed.
Solution Approach 2:
The rail component extends in the sliding direction which is transverse to the inserting direction, creating a perpendicular arrangement. This dimensional change allows the securing mechanism to operate in a different spatial plane, reducing interference with the expansion card insertion path and minimizing occupied space.
2Adaptability or versatility
If a fixed expansion card securing mechanism is used, then the structure is simple, but it cannot accommodate expansion cards of varying sizes
Solution Approach 1:
The sliding unit's ability to move along the rail component enables adjustment of the securing structure's position. This dynamic positioning capability allows the same securing mechanism to accommodate expansion cards of different lengths by simply sliding the unit to the appropriate location, providing adaptability without requiring multiple fixed designs.
3Reliability
If the securing mechanism is positioned to support the expansion card, then the card is securely held, but it blocks the insertion path
Solution Approach 1:
The securing mechanism is divided into separate functional components: the rail component that remains stationary, the sliding unit that provides the securing structure, and the fastening component. This segmentation allows the sliding unit to be independently positioned along the rail, enabling it to be moved out of the insertion path during card installation and then positioned to provide secure holding afterward.
Solution Approach 2:
The sliding unit can be预先 positioned along the rail component before expansion card insertion, allowing the insertion path to remain clear. After insertion, the sliding unit can be slid to the final position to provide securing support, ensuring the insertion process is not blocked.
Data Source
AI summary
An expansion card securing mechanism includes a rail component, a sliding unit and a fastening component. The rail component extends in a sliding direction, is connected to an insertion side of an expansion card connecting device, and is pivotable about an axis that extends in the sliding direction. The sliding unit is connected to the rail component, is slidable in the sliding direction, and is formed with a securing structure that is adapted to be secured detachably to an expansion card. The fastening component interconnects the rail component and the sliding unit for positioning releasably the sliding unit relative to the rail component.