Packaging Hinge Spring Mechanism for Drop Impact
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Solution Overview
Problem
Existing retention packaging structures lack sufficient resistance to compressive and drop forces, necessitating improved shock absorption and cushioning during transportation.
Innovation Solution
A packaging structure comprising a panel with a platform portion, end flap portion, and hinge portion, where the film is attached to the panel and tensioned to restrain objects, utilizing foldable sections to enhance shock absorption by acting as a spring mechanism without additional materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional retention packaging structures are used, then the packaging is simple and uses minimal materials, but the resistance to compressive and drop forces is insufficient
Solution Approach 1:
The hinge portion is designed to be foldable along multiple hinge fold lines, allowing it to dynamically adjust its configuration in response to applied forces. The hinge sections can fold and unfold to absorb impact energy, transforming the rigid structure into a dynamic shock-absorbing mechanism that enhances resistance to compressive and drop forces without adding complex components
Solution Approach 2:
The panel is segmented into distinct functional portions (platform portion, end flap portion, hinge portion with top and bottom hinge sections) connected by fold lines. This segmentation allows each portion to perform its specific function independently while working together as a unified shock-absorbing system, maintaining structural simplicity through clear functional division
2Strength
If additional materials are added to enhance shock absorption, then the resistance to drop forces improves, but the packaging structure becomes more complex and requires more materials
Solution Approach 1:
The hinge portion utilizes the panel's own material and structural configuration to provide shock absorption. By designing foldable hinge sections with specific fold lines and cut lines, the packaging structure uses its inherent material properties and geometric configuration to absorb impact energy, eliminating the need for additional shock-absorbing materials while maintaining enhanced protection capability
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The packaging structure effectively dampens and resists compressive and drop forces, providing enhanced protection for packaged objects during shipment while maintaining the simplicity of existing retention packaging designs.
Implementation Method 1
the hinge functions as a spring to provide an enhanced resistance to, and/or a dampening of, compressive or drop forces
Data Source
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AI summary
A packaging structure for restraining an object comprises a panel and a film. The panel comprises a platform portion, an end flap portion, and a hinge portion. The end flap portion is foldably connected to the platform portion along an end flap fold line. The hinge portion comprises top and bottom hinge sections foldably connected to each other along a first hinge fold line between the top and bottom hinge sections. The hinge portion is bordered by (i) a second hinge fold line between the platform portion and the top hinge section, (ii) at least one top hinge cut line between the platform portion and the top hinge section and extending from the end flap fold line to the second hinge fold line, (iii) a third hinge fold line between the end flap portion and the bottom hinge section, and (iv) at least one bottom hinge cut line between the end flap portion and the bottom hinge section and extending from the end flap fold line to the third hinge fold line. The film extends across the end flap fold line and is attached to the end flap portion and is also attached to the panel outside of the end flap portion. The packaging structure is foldable to an engaged position in which the object may be restrained between the film and the platform portion of the panel.