Nail and Reception Fixation for Electronic Device Covers
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Solution Overview
Problem
Existing fixation structures for electronic devices, such as televisions, are inefficient for both assembly and disassembly, often requiring specialized tools and risking damage to components during disassembly.
Innovation Solution
A fixation structure featuring nail portions and reception portions on the outer circumferential portions of the front and rear covers, allowing for easy engagement and disengagement without tools, with nail portions directed in the same direction to facilitate disassembly and reduce the need for screws, while ribs support the display panel to prevent wobbling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a traditional nail structure is used to fix the front cabinet and rear cabinet, then the fixation strength is improved, but the ease of disassembly deteriorates and specialized tools are required
Solution Approach 1:
The nail portions are designed with movable characteristics allowing them to be pushed in the direction of their length to disengage from the reception portions. This dynamic design enables the fixation structure to transition from a fixed state (during assembly) to a movable state (during disassembly), resolving the contradiction between strong fixation and easy disassembly.
Solution Approach 2:
The disassembly operation is designed to be performed by hand without requiring specialized tools. The nail portions can be directly manipulated by pushing them in the direction of their length, allowing the structure to serve itself for disassembly without external tool assistance, thus improving ease of operation while maintaining fixation strength.
2Reliability
If multiple screws are used for fixation, then the reliability of connection is improved, but the device complexity and number of parts increase
Solution Approach 1:
Multiple nail portions are combined into a unified fixation system where all nails follow the same directional arrangement and engagement mechanism. This merging of multiple fixation elements into a coordinated system maintains connection reliability while simplifying the overall structure compared to using multiple independent screws with different configurations.
Solution Approach 2:
The nail portions serve multiple functions: they provide fixation strength, enable easy disassembly through uniform directional pushing, and reduce the need for additional fastening components. This multi-functionality allows a single nail structure to replace what would traditionally require multiple screws and associated hardware, reducing device complexity while maintaining reliability.
3Strength
If nail portions are arranged in different directions, then the fixation strength is improved, but the ease of disassembly deteriorates
Solution Approach 1:
While the nail portions are arranged in the same direction for ease of disassembly, the reception portions are designed with asymmetric features including inclined surfaces. This asymmetric design in the reception portions allows the nails to be easily pushed in one direction (for disassembly) while maintaining strong fixation when engaged, resolving the contradiction between uniform nail arrangement and fixation strength.
Solution Approach 2:
The fixation strength is achieved not through varying nail directions in different dimensions, but through the dimensional design of the reception portions themselves. The reception portions incorporate inclined surfaces and geometric features that provide strong fixation in the engaged state while allowing easy movement in the disassembly direction, thus achieving strength without compromising ease of operation.
Data Source
AI summary
According to one embodiment, an electronic device includes a display panel, a first cover which covers a front side of the display panel, a second cover which covers a rear side of the display panel, a plurality of nail portions on an outer circumferential portion of either one of the first cover and the second cover and directed in a same direction, and a plurality of reception portions on an outer circumferential portion of the other one of the first cover and the second cover and engaging with the plurality of nail portions, respectively.