Server Extension Mechanism Vibration Stabilization
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Solution Overview
Problem
Extension cards in server chassis are prone to damage from vibrations during tests, transportation, and natural factors due to lack of effective stabilization mechanisms.
Innovation Solution
An extension mechanism comprising a bracket, carrier, slidable member, and covering plate, which allows for adjustable positioning and clamping to secure extension modules of various standards, preventing loosening or dropping by limiting movement and providing a labor-saving assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If extension cards are mounted in server chassis without stabilization mechanism, then installation is simple, but extension cards are prone to damage from vibrations during tests, transportation, and natural factors
Solution Approach 1:
The mechanism employs dynamic elements including a slidable member that can move along the second axis and a covering plate that can pivot between open and folding positions. These dynamic components allow the system to adapt to different extension card sizes while providing vibration protection, resolving the contradiction between reliability and device complexity
Solution Approach 2:
The stabilization mechanism is divided into separate functional components: a bracket with buckling portions, a carrier with fastening portion, a slidable member with hook portion, and a covering plate. This segmentation allows each component to perform its specific function independently while working together to secure the extension card, preventing damage without requiring an overly complex integrated structure
2Ease of operation
If a fixed clamping mechanism is used to secure extension modules, then vibration resistance is improved, but adjustment for different standards requires tools and time
Solution Approach 1:
The mechanism enables tool-free adjustment through self-contained dynamic components. The slidable member can be manually moved along the second axis, and the covering plate can be manually pivoted between open and folding positions, allowing users to adjust and secure extension modules of different standards without requiring external tools while maintaining vibration resistance
3Adaptability or versatility
If a single mechanism is designed to accommodate extension modules of various standards, then adaptability is improved, but positioning precision becomes difficult to maintain
Solution Approach 1:
The mechanism uses dynamic positioning through the slidable member that can move to different positions along the second axis and the covering plate that can pivot to different angles. This dynamic adjustment capability allows the same mechanism to accurately position and secure extension modules of various standards (full-height half-length, full-height full-length, half-height half-length, half-height full-length) while maintaining positioning precision through controlled movement ranges and engagement features
Data Source
AI summary
An extension mechanism includes a bracket, a carrier, a slidable member, and a covering plate. The bracket includes a plurality of first buckling portions and a plurality of second buckling portions. The carrier is configured to move along a first axis relative to the bracket. A fastening portion of the carrier is configured to clamp one of the first buckling portions. The slidable member moves in a sliding groove of the covering plate along a second axis. A hook portion of the slidable member is configured to clamp one of the second buckling portions. The covering plate is connected to the slidable member and stops an extension module located on the bracket, to prevent the extension module from dropping or loosening when the extension module is vibrated.