Snap-Fitting Cushioning Devices for Liquid Crystal Glass Packaging
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Solution Overview
Problem
Conventional liquid crystal glass package boxes face challenges with cushioning block damage and re-work efficiency due to adhesive bonding, leading to increased difficulty in re-use and packaging cost.
Innovation Solution
A liquid crystal glass package box design featuring snap-fitting cushioning devices with a U-shaped structure, integrally formed with EPE or EVA, allowing easy assembly and disassembly, and made of plastic for enhanced re-usability and cost-effectiveness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cushioning blocks are adhesively bonded to mounting sections for protection, then protection reliability is improved, but re-work difficulty increases
Solution Approach 1:
The cushioning block is divided into a protection section and a retention section that can be separated. The retention section with projection fits into the mounting section's receiving channel and through hole, allowing the cushioning block to be segmented into removable parts rather than a monolithic adhesively bonded unit.
Solution Approach 2:
The adhesive bonding function is extracted and replaced by a mechanical retention mechanism. The projection fitting into the through hole provides the bonding function without using adhesive, allowing the cushioning block to be removed and reworked without adhesive residue issues.
2Reliability
If cushioning blocks are adhesively bonded to mounting sections for protection, then protection reliability is improved, but re-working efficiency decreases
Solution Approach 1:
The cushioning block is segmented into removable retention section and protection section, enabling quick removal without adhesive removal processes. This segmentation allows rapid re-working operations while maintaining secure attachment during use.
Solution Approach 2:
The chemical bonding mechanism (adhesive) is replaced with a mechanical retention system using projection and through hole engagement. This mechanical system enables tool-free or minimal-tool removal and reinstallation, dramatically improving re-working efficiency compared to adhesive bonding.
3Strength
If plastic cases are used for packaging, then structural strength is improved, but cushioning performance deteriorates
Solution Approach 1:
The package box combines the structural strength of plastic case with the cushioning performance of foam material. The plastic box body provides rigidity and protection, while the foam cushioning blocks provide shock absorption, merging the advantages of both materials in a single packaging system.
Solution Approach 2:
The packaging system uses composite construction with plastic box body and foam cushioning blocks as separate but integrated components. Each material performs its optimal function - plastic for structural integrity and foam for cushioning - creating a composite packaging solution that overcomes the limitations of using either material alone.
Data Source
AI summary
The present invention provides a package box of liquid crystal glass, which includes a box body, a plurality of mounting sections arranged in the box body, and cushioning devices mounted to the mounting sections. The cushioning devices each include a cushioning section, a retention section connected to the cushioning section, and a projection. The mounting sections each include a first receiving channel and a through hole respectively corresponding to the retention section and the projection of the respective cushioning device. The retention sections are respectively received in the first receiving channels and the projections are respectively fit into the through hole so as to fix the cushioning devices inside the box body. The package box uses cushioning devices that are mounted inside a box in a snap-fitting manner so that the operation of assembling and disassembling the cushioning devices is simple, making it easy to re-work.