Folded Packing Member Structure for Stable 3D Shock Absorption
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Solution Overview
Problem
Conventional packing members formed from a single sheet material struggle to maintain a stable three-dimensional shape due to displacement of their parts.
Innovation Solution
A packing member is designed with a base portion, side wall portions, first, second, and third shock-absorbing portions, and through holes, along with projections and engagement segments, to maintain a stable three-dimensional shape by preventing displacement of individual parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a single sheet material is bent into a three-dimensional shape to form a packing member, then the structure is simple and easy to manufacture, but the different parts tend to displace and the three-dimensional shape cannot be firmly maintained
Solution Approach 1:
The packing member is divided into multiple functional portions (base portion, side wall portions, first shock-absorbing portions, second shock-absorbing portions, third shock-absorbing portions) that are formed from a single sheet material through bending. Each portion has a specific function and is positioned to work together to maintain the three-dimensional shape while providing shock absorption.
Solution Approach 2:
The sheet material is pre-formed with specific bending portions and shock-absorbing portions that will automatically assume their functional three-dimensional configurations during assembly. The preliminary design of the flat pattern ensures that when bent, the parts naturally lock into position to maintain shape stability.
2Object-affected harmful factors
If shock-absorbing portions are added to protect the packed article, then the shock-absorbing effect is improved, but the structural stability and resistance to displacement is reduced
Solution Approach 1:
Different portions of the packing member have different local qualities optimized for their specific functions. The base portion and side wall portions provide structural support, while the first, second, and third shock-absorbing portions are specifically designed with bending characteristics to absorb shocks in different directions, creating local specialization that resolves the contradiction between shock absorption and structural stability.
Solution Approach 2:
The shock-absorbing portions are designed to bend and deform in multiple dimensions (first direction, second direction, third direction) to absorb shocks from different directions. This multi-dimensional shock absorption capability allows the structure to maintain stability while providing comprehensive protection against shocks from various orientations.
Data Source
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AI summary
A packing member (1) has a housing space (S) and includes a base portion (2), a pair of side wall portions (3), a pair of first shock-absorbing portions (4), and a pair of second shock-absorbing portions (5). The pair of side wall portions (3) are bent from the circumferential edge of the base portion (2) and are arranged to face each other across the housing space (S). The pair of first shock-absorbing portions (4) are bent from the circumferential edges of the pair of side wall portions (3) and extend outward. The pair of second shock-absorbing portions (5) are bent from the circumferential edges of the pair of first shock-absorbing portions (4) and extend substantially perpendicularly to the side wall portions (3) in a direction toward the base portion (2). The base portion (2) has a pair of through holes (21) arranged away from each other. The pair of second shock-absorbing portions (5) have a pair of projections (51) inserted in the pair of through holes (21).