Interlocking Sheet Packing Structure for Multi-Directional Shock Absorption
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Solution Overview
Problem
Conventional packing members formed from a single sheet material do not effectively distribute shock absorption across multiple directions, leading to potential displacement and instability during handling and transportation.
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 enhance stability and shock absorption in multiple directions by preventing displacement of individual components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single sheet material is bent into a three-dimensional shape with shock-absorbing portions, then the packing member can provide shock absorption, but the structure may be unstable and prone to displacement during handling
Solution Approach 1:
The packing member is divided into multiple functional segments including a base portion, side wall portions, first shock-absorbing portions, second shock-absorbing portions, and a third shock-absorbing portion. Each segment is formed by bending the sheet material at specific locations and is responsible for a particular function, with the segments interconnected through fold lines and engagement features to form a stable overall structure.
Solution Approach 2:
The packing member incorporates nested engagement features where the second shock-absorbing portions have projections that fit into corresponding recesses in the base portion, and the third shock-absorbing portion is positioned within the space defined by the other components. This nesting arrangement provides interlocking stability while maintaining a compact form factor.
2Reliability
If shock-absorbing portions are added to the packing member, then shock absorption is improved, but the manufacturing process becomes more complex
Solution Approach 1:
The sheet material is pre-cut with specific dimensions and pre-formed with fold lines and engagement features before final assembly. The base portion, side wall portions, and shock-absorbing portions are all formed in a single continuous bending operation, with the complexity of the final three-dimensional structure being built up systematically from the flat pattern through a series of controlled folds and engagements.
3Adaptability or versatility
If multiple shock-absorbing portions are formed from a single sheet, then shock absorption in multiple directions is achieved, but the sheet material must be precisely formed
Solution Approach 1:
Different portions of the sheet material are given different local properties through strategic bending and engagement feature placement. The base portion provides a stable foundation, the side wall portions provide vertical support, the first shock-absorbing portions provide horizontal shock absorption, the second shock-absorbing portions provide diagonal shock absorption, and the third shock-absorbing portion provides additional directional support. Each local region is optimized for its specific function while contributing to the overall multi-directional shock absorption capability.
Data Source
AI summary
A packing member has a housing space and includes a base portion, a pair of side wall portions, a pair of first shock-absorbing portions, and a pair of second shock-absorbing portions. The pair of side wall portions are bent from the circumferential edge of the base portion and are arranged to face each other across the housing space. The pair of first shock-absorbing portions are bent from the circumferential edges of the pair of side wall portions and extend outward. The pair of second shock-absorbing portions are bent from the circumferential edges of the pair of first shock-absorbing portions and extend substantially perpendicularly to the side wall portions in a direction toward the base portion. The base portion has a pair of through holes arranged away from each other. The pair of second shock-absorbing portions have a pair of projections inserted in the pair of through holes.