Segmented Design Cover for Electronic Apparatus
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Solution Overview
Problem
Conventional techniques for attaching design covers to electronic apparatuses are inefficient, leading to increased die costs, complex molding issues, exposure of screws, and a lack of aesthetic improvement for both vertical and transverse installations, with no provision for individual replacement of decorative plates.
Innovation Solution
A design cover structure comprising a top surface cover, first and second side surface covers, and a bottom surface cover, with protrusive engagement portions and screw holes, allowing for easy attachment and removal by sliding and screw fixation, enabling individual plate replacement and improved aesthetic appearance across installation orientations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If design covers are manufactured by integral molding, then the outer appearance is improved, but the die size becomes large and die cost increases
Solution Approach 1:
The design cover is divided into multiple separate decorative plates (top surface cover, side surface covers, bottom surface cover) that can be manufactured independently using standard molding techniques, avoiding the need for a large die to mold the entire assembly as one piece
2Shape
If the shape of design covers becomes complicated, then the outer appearance is improved, but molding conditions become complicated and shrinkage occurs easily
Solution Approach 1:
Complex decorative shapes are distributed across multiple separate plates rather than attempting to mold a single complicated shape, allowing each plate to be manufactured with simpler geometry and better control over molding conditions
Solution Approach 2:
Multiple decorative plates are combined through engagement portions and engagement holes to form a unified appearance, achieving complex overall shape while maintaining simple individual components that are easy to manufacture precisely
3Ease of manufacture
If design covers are configured by multiple decorative plates, then manufacturing is simplified, but the number of assembly steps increases
Solution Approach 1:
Multiple decorative plates are integrated into a unified assembly through interlocking engagement portions and engagement holes, allowing them to be attached simultaneously to the casing while maintaining the simplicity of individual component manufacturing
Solution Approach 2:
The engagement portions and engagement holes are designed to guide the assembly process automatically, where the plates self-align and interlock without requiring complex external fastening operations or additional assembly tools
4Strength
If screws are used to attach decorative plates, then attachment is secure, but screws are exposed to the outside and outer appearance is degraded
Solution Approach 1:
The fastening function is extracted from the visible exterior and integrated into the engagement portions and engagement holes that connect plates to the casing, eliminating the need for exposed screws while maintaining secure attachment
Solution Approach 2:
The engagement portions and engagement holes serve as intermediary connection elements that provide secure attachment without requiring visible fasteners, mediating between the decorative plates and the casing in a way that maintains aesthetic appearance
5Device complexity
If conventional design cover structures are used, then assembly is simplified, but individual replacement of decorative plates is not possible
Solution Approach 1:
The design cover is segmented into independently replaceable decorative plates connected through engagement portions, allowing individual plates to be removed and replaced without affecting the entire assembly while maintaining simple overall assembly
Solution Approach 2:
The engagement portions are designed with reversible engagement and disengagement characteristics, allowing the plates to be easily assembled and disassembled for replacement while maintaining a stable connected state during normal operation
Data Source
AI summary
A design cover attachment structure is provided configured to facilitate an attachment/removal of a design cover composed of a plurality of decorative plates. At least a top surface and each of side surfaces of a casing of an electronic apparatus are covered with a design cover composed of a top surface decorative plate, and left and right side surface decorative plates. The left and right side surface decorative plates are provided with second engagement portions configured to be engaged with first engagement portions provided to a bottom surface decorative plate mounted on the casing or a bottom surface of the casing, so that the left and right side surface decorative plates are mounted on the casing. Third engagement portions configured to be engaged with fourth engagement portions provided to the top surface decorative plate, so that the top surface decorative plate is mounted on the left and right side surface decorative plates.