Rotating Electronic Fastener Structure for Wear-Resistant Locking
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Solution Overview
Problem
Conventional fasteners for electronic devices, such as M.2 solid-state drives and network cards, experience reduced retaining and fastening force due to wear in the positioning buckle slot and convex ring after repeated use, leading to potential loss of interference and securement.
Innovation Solution
A fastener design featuring a rotating member with a block piece and supporting platform that can be locked into position using a buckle slot and rail slot mechanism, along with a fastening structure including elastic hook sheets and auxiliary ribs for enhanced securement, allowing for adjustable thickness and diameter compatibility and improved connecting strength.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a positioning buckle slot and positioning convex ring are used to achieve fastening through interference, then the fastening effect is achieved, but after repeated insertion and removal, wear occurs reducing retaining and fastening force
Solution Approach 1:
The fastening function is divided into two independent systems: a positioning system (buckle slot and convex ring for location) and a fastening system (wing pieces with buckle hooks and position limiting sheet for securing). This segmentation allows each system to specialize, with the fastening system bearing the load without wearing the positioning system, thus maintaining reliable fastening force over extended service life.
2Reliability
If a rotating member with block piece and supporting platform is used to lock electronic device, then stable locking is achieved, but device complexity increases
Solution Approach 1:
Multiple functions are merged into the rotating member: positioning (block piece in buckle slot), fastening (wing pieces with buckle hooks), rotation limiting (position limiting sheet in rail slot), and clamping (block piece and supporting platform jointly clamping). This integration achieves stable locking through coordinated action of unified components rather than separate complex mechanisms.
3Adaptability or versatility
If elastic hook sheets and auxiliary ribs are added to enhance adaptability and connecting strength, then fastening capability is improved, but manufacturing complexity increases
Solution Approach 1:
The fastening structure uses elastic deformation (parameter change in shape) of the hook sheets to achieve adaptive fastening. The auxiliary ribs modify the structural parameters (thickness, rigidity distribution) to enhance connecting strength. These parameter changes allow a single molded structure to adapt to different fastening requirements without needing multiple complex components.
Data Source
AI summary
A fastener for use in electronic device includes: a positioning member, having a base, wherein a connecting ring is disposed above the base, a rail slot having two ends respectively formed with a start blocking edge and a stop blocking edge is disposed on a top surface of the connecting ring, and a buckle slot is formed between the base and the connecting ring; and a rotating member, having a shaft column, wherein a block piece is radially formed on a top end of the shaft column, an annular supporting platform is radially formed at a bottom end thereof, at least three wing pieces are axially and downwardly extended from a circumference of the supporting platform, wherein at least two of the wing pieces respectively have a buckle hook, and the other wing piece is radially extended with a position limiting sheet.