3D Bouquet Card Linkage Structure for Flat-Pack Expansion

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Solution Overview

Problem

Three-dimensional bouquet greeting cards face challenges in transportation and storage due to their large volume, leading to high production and delivery costs, which compromises their market competitiveness.

Innovation Solution

A three-dimensional bouquet greeting card with a simple structure featuring a flower bundle base, internal petal inserts, and an acousto-optic device, allowing easy conversion between flat and three-dimensional states for convenient storage and transportation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Shape

If the greeting card is produced in its final three-dimensional display effect, then the artistic sense and visual impact are improved, but the volume becomes large making transportation and storage inconvenient and costly

Engineering Contradiction:
Improvethree-dimensional display effectVSAvoidvolume for transportation
Core Design Contradiction:
ShapeVSVolume of moving object

Solution Approach 1:

The greeting card employs a dynamic transformation mechanism where the central petal can move vertically to switch between flat and three-dimensional states. This allows the card to adapt its volume based on usage requirements, presenting as a compact flat card for storage and transportation, and expanding to a voluminous three-dimensional bouquet for display purposes.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The invention utilizes dimensional transformation by adding vertical movement capability to the central petal. The card transitions from a two-dimensional flat state to a three-dimensional expanded state through vertical displacement of the central petal along the folding indentation line, effectively changing the spatial configuration without increasing the base footprint.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Shape

If the greeting card is produced in its final three-dimensional display effect, then the artistic sense and visual impact are improved, but the production and delivery cost increases

Engineering Contradiction:
Improvethree-dimensional display effectVSAvoidproduction and delivery cost
Core Design Contradiction:
ShapeVSEase of manufacture

Solution Approach 1:

The dynamic transformation mechanism allows a single flat card structure to produce multiple states (flat and three-dimensional), effectively replacing what would require multiple different products. This reduces manufacturing complexity and inventory requirements, thereby lowering production and delivery costs while maintaining the artistic three-dimensional display effect when needed.

Inventive Principle:
Principle #15Dynamics

3Shape

If the greeting card uses a complex structure to achieve three-dimensional effect, then the visual impact is improved, but the structure becomes complicated making it difficult to produce and transport

Engineering Contradiction:
Improvethree-dimensional bouquet effectVSAvoidstructure complexity
Core Design Contradiction:
ShapeVSDevice complexity

Solution Approach 1:

The greeting card is segmented into distinct functional components: the bouquet base formed by bonding head and tail of a sheet, the bottom cover connected to the base, and the movable central petal with folding indentation lines. This segmentation allows each component to be simple in itself while combining to create the complex three-dimensional bouquet effect, facilitating easier production and assembly.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention utilizes a single sheet of paper that is cut, folded, and bonded to form the bouquet base, bottom cover, and central petals. This flexible thin film approach allows the structure to transform between flat and three-dimensional states through vertical movement of the central petal, avoiding the need for rigid complex structures while achieving the desired bouquet effect.

Inventive Principle:
Principle #30Flexible shells and thin films

Data Source

PatentUS20250353318A1Three-dimensional bouquet greeting card
Publication Date: 2025.11.20 SUN JINGYUN
  • US20250353318A1 patent drawing
  • US20250353318A1 patent drawing
  • US20250353318A1 patent drawing

AI summary

The present invention discloses a three-dimensional bouquet greeting card, including the flower bundle base and internal petal inserts. The flower bundle base is composed of a bouquet base, a bottom cover and a layer of central petals. It is characterized in that: The bouquet base is formed by bonding the head and tail of a sheet of material together. There are symmetrically indentation lines at both left and right ends. The bottom cover is connected to the bottom of the bouquet base. The bottom cover has a folding indentation line. This folding indentation line is connected to an internal flower piece and is in the same plane as the indentation line provided on the bouquet base. The three-dimensional bouquet greeting card, through the ingenious linkage structure arranged inside the three-dimensional bouquet greeting card, can very conveniently change the three-dimensional bouquet greeting card from a flat state to a three-dimensional state. It is convenient and reliable, easy to install, and the operation can be easily completed by the public. Moreover, the production and manufacturing cost is also low.