Swivel Bracket Assembly for Riser Board Stability
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Solution Overview
Problem
Conventional riser modules in server systems face issues with unstable electrical connections due to movement of expansion cards or PCIe cards, leading to potential disconnection caused by external impacts like vibration or falling, resulting in poor contact between the cards and the riser circuit board.
Innovation Solution
A swivel bracket assembly is introduced, featuring a baseplate with a rotatable swivel bracket and pads made of shock-absorbing material, which securely attaches to the riser bracket assembly, locking in place via a latch mechanism to prevent movement and ensure frictional contact with the electrical components, thereby stabilizing the connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional fastening mechanisms (latch, bracket hole, locking mechanism) are used to secure electrical components to the riser circuit board, then the ease of operation is improved, but the reliability of the electrical connection deteriorates due to insufficient prevention of component movement and potential ejection
Solution Approach 1:
The patent applies beforehand cushioning by providing a recess in the riser circuit board that receives and cushions the electrical component, preventing direct impact and movement. This recess acts as a pre-prepared protective structure that absorbs external impacts before they can cause ejection or connection instability, thereby improving reliability while maintaining ease of operation through simple component insertion.
2Reliability
If rigid fastening structures are used to prevent movement of electrical components, then the stability of the connection is improved, but the device complexity increases due to additional locking mechanisms and structural components
Solution Approach 1:
The patent applies the taking out principle by extracting the complex locking mechanisms (latches, bracket holes, additional fasteners) from the traditional design and replacing them with a simple recess structure integrated into the riser circuit board. This recess provides the necessary stabilization function without requiring separate fastening components, thereby reducing device complexity while maintaining connection stability.
3Ease of operation
If the electrical component is allowed to move freely for easy installation, then the ease of operation is improved, but the reliability of the electrical connection deteriorates due to potential ejection from the slot under external impacts
Solution Approach 1:
The patent applies the nested doll principle by nesting the electrical component within a recess structure of the riser circuit board. The component is inserted into and contained by the recess, which acts as a protective cavity. This nested configuration allows easy insertion (ease of operation) while preventing ejection and providing impact resistance (reliability) through the containing structure.
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 swivel bracket assembly effectively secures expansion cards and PCIe cards, preventing them from ejecting due to external impacts and ensuring stable electrical connections by using frictional contact and a locking mechanism, thus enhancing the reliability of the electrical connections within the server system.
Implementation Method 1
pads made of shock-absorbing material
Implementation Method 2
ensuring frictional contact with the electrical components
Data Source
AI summary
A swivel bracket assembly and a method for installing an electrical component to a riser bracket assembly are disclosed. The swivel bracket assembly includes a baseplate; a swivel bracket rotatably attached to the baseplate, the swivel bracket being rotatable between an open position and a closed position; and pads attached to the swivel bracket, at least one of the pads being configured to contact and support the electrical component attached to the riser bracket assembly when the swivel bracket is in the closed position. A method for installing an electrical component to a riser bracket assembly includes receiving the electrical component into a slot of a riser circuit board and pivoting a swivel bracket rotatable coupled to a baseplate from an open position to a closed position to support the electrical component secured to the riser bracket assembly.