Adjustable Fixing Assembly for Expansion Card Stability
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Solution Overview
Problem
The movement of expansion cards during shipping can loosen their connection to the motherboard, especially for high-performance cards with larger heat dissipation devices, leading to poor performance and potential detachment or damage.
Innovation Solution
A fixing assembly with adjustable positioning components that press against the expansion card from multiple directions, using a casing with intersecting plates and sliding components to secure the card in place, allowing for adjustment to accommodate cards of varying sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If expansion cards are inserted in expansion slots during manufacturing, then the computer is ready for use, but the expansion card sways and loosens during shipping due to knocking or shaking
Solution Approach 1:
The fixing assembly is pre-installed on the motherboard before the expansion card is inserted. The positioning components are arranged in advance to receive and secure the expansion card, preventing sway and loosening during shipping while maintaining readiness for use
Solution Approach 2:
The fixing assembly applies preliminary counteracting force against the expansion card before shipping vibrations occur. The positioning components are designed to resist knocking and shaking forces, preventing the card from swaying and loosening by applying opposing forces in advance
2Adaptability or versatility
If high performance expansion cards with bigger heat dissipation devices are used, then the functionality is expanded, but the overall volume and weight increase causing the card to sway more seriously or even detach
Solution Approach 1:
The fixing assembly introduces additional dimensional constraints by adding positioning components that extend from both the first and second plates. These components restrict the expansion card's movement in multiple directions (horizontal, vertical, and rotational), preventing sway and detachment caused by increased weight and volume
Solution Approach 2:
The fixing assembly is divided into multiple independent positioning components (first positioning component and second positioning component) that can be adjusted separately. This segmentation allows each component to independently stabilize different parts of the expansion card, providing comprehensive support for cards with varying sizes and weights
3Reliability
If a fixed positioning structure is used, then the expansion card is secured, but it cannot accommodate expansion cards of different sizes
Solution Approach 1:
The positioning components are designed to be movable and adjustable rather than fixed. The first and second positioning components can slide along the first and second plates respectively, allowing the fixing assembly to adapt to expansion cards of different lengths, widths, and thicknesses while maintaining secure connection
Solution Approach 2:
The fixing assembly allows adjustment of the positioning components' parameters (position along the plates) to match different expansion card dimensions. By changing the position parameters of the first and second positioning components, the assembly can securely hold cards of various sizes without compromising connection reliability
Data Source
AI summary
The disclosure provides a fixing assembly adapted to fix an expansion card on an expansion slot of a motherboard. The fixing assembly includes a casing, a first positioning component and a second positioning component. The first positioning component is slidably disposed on the casing so that a distance between the first positioning component and the expansion slot of the motherboard is adjustable. The second positioning component is slidably disposed on the first positioning component. The second positioning component and the first positioning component are configured to press against the expansion card, and sliding directions of the first positioning component and the second positioning component are different from each other.