Ultra-thin Folding Luggage Case with Rotating Panels and Spring Mechanism
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Solution Overview
Problem
Existing luggage cases have a large volume, making them inconvenient to store when not in use and not foldable, which limits their storage and usage convenience.
Innovation Solution
An ultra-thin folding luggage case design featuring a connecting frame with rotating and buckling structures, a return spring mechanism, and universal wheels, allowing panels to fold and compact for storage while maintaining structural integrity and ease of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the luggage case is designed with a large storage space, then the storage capacity is improved, but the volume becomes too large and inconvenient to store when not in use
Solution Approach 1:
The patent applies the dynamics principle by designing the luggage case with foldable panels and rotating connecting shafts that enable the case to transition between an expanded storage configuration and a compact folded configuration. The panels can be rotated around connecting shafts to fold the luggage case into a smaller volume for convenient storage when not in use, while maintaining large storage capacity when expanded.
2Stability of the object's composition
If the luggage case is designed to be non-folding, then the structural integrity is maintained, but it causes inconvenience in storage and use
Solution Approach 1:
The patent applies segmentation by dividing the luggage case into multiple detachable panels connected by rotating shafts. This allows the case to be folded into a compact form for storage while maintaining structural integrity when assembled. The segmented design enables the panels to be connected and disconnected as needed, providing both storage convenience and structural stability.
3Weight of moving object
If the connecting frame is designed with thin walls, then the weight is reduced, but the pressure resistance and structural firmness deteriorate
Solution Approach 1:
The patent applies composite materials by using aluminum alloy for the connecting frame panels. Aluminum alloy provides a favorable balance between weight and strength, allowing the frame to be lightweight while maintaining sufficient pressure resistance and structural firmness to support the luggage contents and withstand handling forces.
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 design enables the luggage case to fold and occupy less space during storage, preventing bouncing and enhancing convenience in use, with a firmer structure due to the connecting frame's thickness and matched shape, facilitating easier assembly and use.
Implementation Method 1
a return spring is arranged inside the flip cover plate; the flip cover plate forms a return rotating movable connecting structure with the lower panel through the return spring
Data Source
AI summary
The utility model, discloses an ultra-thin folding luggage case, comprising an upper panel. A right side panel is arranged on a right side of a left side panel, and a lower panel is arranged on the bottom of the right side panel. A side lifting handle is fixedly connected with a side surface of the left side panel, and placing foot pads are fixedly connected with a side surface of the right side panel. A flip cover plate is arranged on a side surface of the lower panel, and a return spring is arranged inside the flip cover plate. A pull rod storage groove is fixedly connected with the bottom of the lower panel, and a pull rod is arranged inside the pull rod storage groove. Universal wheels are arranged on the bottom of the lower panel and the bottom of a connecting frame.