Tool-Less M.2 Retention Bracket for Dense PCB Trace Layouts
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Solution Overview
Problem
Existing tool-based attachment mechanisms for electronic components on circuit boards often interfere with dense arrangements of electrically conductive traces, disrupting their routing and requiring tools for attachment and detachment, which can be inconvenient and risky for components with keep-out zones.
Innovation Solution
A tool-less attachment mechanism using a spring-loaded arm and bracket that attaches and detaches M.2 electronic components without tools, avoiding engagement with keep-out zones and not penetrating through regions with dense conductive traces, allowing for flexible and tool-free mounting and removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If tool-based attachment mechanisms are used, then secure attachment of electronic components is achieved, but interference with dense conductive traces and disruption of routing occurs
Solution Approach 1:
The attachment mechanism is divided into separate functional elements: a bracket attached to the circuit board and a spring-loaded arm that engages with the electronic component. This segmentation allows the attachment function to be separated from the electrical connection area, enabling secure attachment without interfering with conductive traces.
Solution Approach 2:
The spring-loaded arm acts as an intermediary between the bracket and the electronic component. It provides the attachment force while maintaining a tool-less interface, and its design allows it to engage with keep-out zones without penetrating into regions with dense conductive traces, thus mediating between attachment requirements and trace protection.
2Reliability
If tool-based attachment mechanisms are used, then reliable component fixation is achieved, but convenience and user safety are reduced due to tool requirements
Solution Approach 1:
The spring-loaded arm is designed to be manually actuated by the user without requiring any tools. The spring mechanism provides the necessary force for engagement and disengagement, allowing the attachment and detachment operations to be performed through simple manual manipulation, thus achieving self-service operation while maintaining reliable fixation.
Solution Approach 2:
The spring-loaded arm introduces dynamic characteristics to the attachment mechanism. The spring allows for controlled engagement and disengagement through elastic deformation, enabling the mechanism to transition between locked and unlocked states through simple manual force applied by the user, eliminating the need for tools while ensuring reliable fixation during operation.
3Strength
If attachment mechanisms penetrate through circuit board regions, then secure mounting is achieved, but disruption of conductive trace routing occurs
Solution Approach 1:
The attachment mechanism transitions from a vertical penetration approach to a lateral engagement approach. The spring-loaded arm engages with the electronic component from the side rather than penetrating through the circuit board, changing the dimension of attachment force application. This allows secure mounting to be achieved without disrupting the routing of conductive traces on the board surface.
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
Enables secure, tool-free attachment and detachment of electronic components without disrupting conductive traces, reducing the risk of interference and improving user convenience while maintaining component compatibility with standard keep-out zones.
Implementation Method 1
a spring-loaded arm and bracket that attaches and detaches M.2 electronic components
Data Source
AI summary
In some examples, a tool-less electronic component retention apparatus includes a bracket to affix to a circuit board, and a spring-loaded arm attached to the bracket. The spring-loaded arm has an engagement tab that is angled downwardly to engage an upper surface of an electronic component to mount the electronic component to the circuit board. The spring-loaded arm is pivotable between an engaged position and a release position by a user without use of a tool.