Movable Arm Holder for Add-On Card Support and Grounding
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Solution Overview
Problem
In thin computer hosts with limited internal space, add-on cards mounted parallel to the motherboard lack support and interfere with interface slots, requiring additional grounding and limiting configuration options.
Innovation Solution
A holder for add-on cards with a main-body, moving-arm, fixed metal piece, and moving metal piece that provides support and grounding while maintaining compatibility with interface slots by allowing the moving-arm to protrude and create a gap between the extension block and the main circuit board, preventing interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a support member is disposed on the main board to support the front edge of the add-on card, then the add-on card is prevented from swinging, but the support member interferes with the interface slots, limiting configuration options
Solution Approach 1:
The support member is designed as a movable arm that can dynamically adjust its position. The arm can be moved to protrude from the main board surface, creating a gap that allows interface slots to be configured without interference. When not in use, the arm can be retracted or positioned to maintain support functionality while accommodating slot configurations.
Solution Approach 2:
The support member transitions from a two-dimensional planar configuration to a three-dimensional protruding structure. By making the support arm extend vertically or laterally from the main board, it creates spatial separation between the support function and the interface slots, allowing both to coexist without mutual interference.
2Volume of moving object
If the add-on card is mounted parallel to the motherboard in thin computer hosts, then the case internal space is utilized, but the add-on card lacks front edge support and may swing due to gravity and external forces
Solution Approach 1:
The movable support arm acts as an intermediary structure between the main board and the add-on card. It provides the necessary mechanical support to prevent swinging while maintaining the parallel mounting configuration that maximizes case internal space. The arm mediates between the space constraints and stability requirements.
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
The holder effectively supports add-on cards, provides additional grounding, and maintains compatibility with interface slots, allowing for the insertion of low-profile cards without interfering with existing configurations.
Implementation Method 1
A part of the moving metal piece is disposed on the support block, and is located between the support block and the front side for contacting with the fixed metal piece
Data Source
AI summary
A holder includes a main-body disposed on a main circuit-board, a moving-arm, a fixed metal piece, and a moving metal piece. A support portion protrudes from a front side of the main-body and provides a supporting surface. The moving-arm includes a support block and an extension block. The support block is disposed to the front side, and an upper edge of the support block and the supporting surface are arranged in the same plane. The moving-arm moves to make the extension block protrude from the main-body. The fixed metal piece extends to a location between the support block and the front side. A part of the moving metal piece is located between the supporting block and the front side, while the other part extends to the extension block, so that at the moving metal piece is partially exposed corresponding to the front side.