Snap-Fit SSD Retaining Member for Tool-Free M.2 Assembly
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Solution Overview
Problem
Conventional solid state drive (SSD) retaining devices with M.2 standard face challenges such as increased manufacturing costs due to the use of screws and bolts, labor-intensive assembly, and complex structures that require tools or springs, leading to inefficiencies and high costs.
Innovation Solution
An electronic card retaining device with a seat and a movable retaining member featuring pivotally connected elastic arms and guide sections, allowing tool-free assembly and operation, utilizing beveled and curved surfaces for easy transition between retaining and releasing positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If screws and bolts are used to fasten the solid state drive to the motherboard, then the retaining strength is improved, but the manufacturing cost increases and assembly becomes more complex
Solution Approach 1:
The patent extracts the fastening function from complex screw-bolt mechanisms and implements it through a simple snap-fit structure where the retaining member engages with positioning protrusions on the motherboard, eliminating the need for separate fastening components
Solution Approach 2:
The retaining member is designed to automatically snap into the retained state through elastic deformation, where the elastic arm naturally engages with the positioning protrusion without requiring external tools or additional fastening operations
2Strength
If screws and bolts are used to fasten the solid state drive, then the retaining strength is improved, but the manufacturing cost increases due to embedded bolts in the motherboard
Solution Approach 1:
The patent removes the need for embedded bolts in the motherboard by using a snap-fit retaining structure that relies on positioning protrusions already present on the motherboard, eliminating additional manufacturing steps and material costs
Solution Approach 2:
The retaining function is merged into the retaining member itself through elastic deformation, combining the fastening mechanism and the retaining structure into a single component that engages with existing motherboard features
3Reliability
If a slotted screwdriver and turning operation are used to operate the assembling fastener structure, then the retaining mechanism can be locked or released, but the operation becomes labor-consuming and inconvenient
Solution Approach 1:
The retaining member operates automatically through elastic deformation when the solid state drive is inserted or removed, eliminating the need for manual turning operations or tool usage while maintaining reliable locking and releasing functions
Solution Approach 2:
Instead of requiring active operation to engage the retaining mechanism, the design inverts the operation so that passive insertion of the solid state drive automatically triggers the elastic arm to snap into the locked position
4Adaptability or versatility
If elastic members and springs are used in the fastening device assembly, then the retaining member can be flexibly stretchable and skewable, but the structure becomes complicated and difficult to assemble
Solution Approach 1:
The patent extracts the elastic function from separate spring components and integrates it directly into the retaining member through elastic arms made of elastic material, eliminating the need for additional spring components and simplifying the overall structure
Solution Approach 2:
The elastic material properties are merged with the structural form of the retaining member, creating an integrated elastic arm that provides both structural support and elastic deformation capability without requiring separate elastic components
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 device simplifies assembly, reduces parts cost, and enhances operational convenience by eliminating the need for tools, while maintaining secure retention and easy release of SSDs without complex mechanisms.
Implementation Method 1
press and deform the elastic arm while passes the stopper sections into a retaining position or a releasing position
Data Source
AI summary
An electronic card retaining device includes a seat mounted on a motherboard and having stopper sections; and a movable retaining member pivotally connected to the seat and having a retaining end facing toward a position to where an electronic card is to be fixed, and an operating end provided with guide sections, which can pass the stopper sections to move between a retaining and a releasing position when the movable retaining member rotates pivotally. The electronic card has an end electrically connected to the motherboard and another end for engaging with the retaining end of the movable retaining member. To retain the electronic card, simply push the engaging end thereof downward and the guide sections will move to the retaining position. To release the electronic card, simply sidewardly deform the elastic arm for the guide sections to move from the retaining position to the releasing position.