Packaging Box With Tilting Hold-Down Piece For Variable Thickness Accessories
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Solution Overview
Problem
Conventional packaging boxes struggle to securely hold user manuals and accessories of varying thicknesses, as existing designs are inadequate for accommodating different specifications and document quantities.
Innovation Solution
A packaging box design featuring a shelf portion that partitions the interior into upper and lower spaces, an inner flap that can be bent to a closed position parallel to the shelf, and a hold-down piece that can be tilted to protrude outward, allowing for flexible accommodation of accessories regardless of their thickness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If slit portions are formed in inner flaps to tuck and fix a user manual, then thin user manuals can be packaged, but thick user manuals cannot be properly tucked or held
Solution Approach 1:
The hold-down piece is designed to be movable rather than fixed, allowing it to tilt between a retracted position (when not in use) and a protruding position (when holding accessories). This dynamic structure enables the packaging box to adapt to accessories of varying thicknesses, resolving the contradiction between ease of tucking operation and adaptability to different dimensions.
Solution Approach 2:
The hold-down piece changes its positional parameter (distance from the shelf portion) based on the thickness of the accessory being held. By allowing the hold-down piece to tilt to different angles, the system can accommodate accessories with varying thickness parameters, thereby achieving versatility while maintaining simple tucking operation.
2Device complexity
If a fixed inner flap structure is used, then the structure is simple, but it cannot hold accessories of varying thickness
Solution Approach 1:
The hold-down piece is designed as a movable component that can tilt between retracted and protruding positions, providing adaptability to varying accessory thicknesses while adding minimal complexity to the overall structure. This dynamic element transforms a static structure into an adaptive system.
Solution Approach 2:
The inner flap structure is segmented into a fixed portion (attached to the box) and a movable hold-down piece (that can tilt independently). This segmentation allows the hold-down piece to move independently to accommodate different accessory thicknesses while the fixed portion maintains structural simplicity.
3Adaptability or versatility
If the hold-down piece is made movable to tilt and protrude, then accessories of varying thickness can be held, but the structure becomes more complex
Solution Approach 1:
The inner flap is divided into a fixed base portion and a movable hold-down piece segment. This segmentation enables the hold-down piece to tilt and protrude for accommodating varying accessory thicknesses, while the fixed base portion maintains overall structural simplicity and ease of manufacture.
Solution Approach 2:
The hold-down piece acts as an intermediary element between the fixed shelf portion and the accessory being held. It mediates the interaction by tilting to different angles, providing adaptability to varying thicknesses without requiring complex adjustment mechanisms, thus adding minimal structural complexity.
4Ease of manufacture
If slit portions are used for thin manuals, then the packaging method is simple, but it fails when the manual is thick or when accessories are flat packaging boxes
Solution Approach 1:
The hold-down piece transitions from a static slit structure to a dynamic tilting mechanism, enabling the packaging box to accommodate both thin manuals (by tucking) and thick accessories or flat packaging boxes (by tilting and protruding). This maintains ease of manufacture while significantly improving adaptability to different accessory types and dimensions.
Data Source
AI summary
A packaging box includes a shelf portion which partitions an interior of the packaging box into an upper space and a lower space, an inner flap which is located above the shelf portion as an inner lid and which is bendable to a closed position where the inner flap faces the shelf portion while extending parallel thereto, and a hold-down piece which is disposed at a position facing the inner flap at the closed position in the shelf portion and which has a first bent portion bendable to protrude outward in a middle portion of the hold-down piece, the hold-down piece formed by cutting and raising the shelf portion to be capable of standing in a tilted state where a distal end side thereof extends toward a first side portion.