Foldable Vehicle Trunk Organizer with Rigid Pyramid Panels
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Solution Overview
Problem
Conventional foldable holding devices in vehicle trunks lack sufficient strength and are cumbersome to assemble, failing to securely hold luggage due to the use of flexible materials, and alternative methods like nets are inefficient for loading and unloading.
Innovation Solution
A foldable holding device with raisable top panels and foldable side panels forming a reversed truncated quadrangular pyramid shape, providing increased internal capacity and stability, and allowing for easy assembly and disassembly, with the option to be detachable from the floorboard for convenience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If flexible material is used to form the box-shaped container, then the device is convenient for folding and storage, but the strength is poor and cannot sufficiently hold luggage under vehicle movement
Solution Approach 1:
The holding device is divided into multiple rigid panel segments (front panel, rear panel, left panel, right panel) that are connected through folding joints. Each panel maintains its rigidity individually while the overall structure allows folding through the joints, resolving the contradiction between rigidity for strength and flexibility for folding.
Solution Approach 2:
The device uses rigid material panels instead of flexible material, creating a composite structure that combines rigid panels with folding joints. This provides both the strength needed to hold luggage securely and the folding capability for storage through the joint mechanisms.
2Stability of the object's composition
If hooks are used to fasten adjacent compartment walls to maintain raised position, then the container shape is maintained, but it becomes bothersome to assemble the compartment walls
Solution Approach 1:
The folding joints enable dynamic movement between folded and raised states without requiring static fastening elements like hooks. The structure transitions smoothly between configurations through the joint mechanisms, maintaining stability in the raised position while simplifying assembly to a single folding motion.
Solution Approach 2:
The folding joints are designed to automatically maintain the raised container shape through their mechanical structure, eliminating the need for additional fastening components. The structure self-maintains its form through the joint geometry and panel rigidity, reducing assembly complexity.
3Volume of moving object
If the upper edge of top panels is longer than the lower edge, then the reversed truncated quadrangular pyramid shape provides increased capacity and stability, but the structure becomes more complex
Solution Approach 1:
The top panels are designed with asymmetric dimensions where the upper edge is longer than the lower edge, creating the reversed truncated quadrangular pyramid shape. This asymmetric geometry provides increased internal capacity and stability while the symmetry between corresponding panels (front-rear, left-right) maintains manufacturing simplicity.
Data Source
AI summary
A foldable holding device that is provided in or on a floorboard, the foldable holding device including: a housing member; raisable top panels that fits into the housing member while the raisable top panels are housed; side panels foldably connected to side edges of the raisable top panels such that as the raisable top panels are raised, the side panels outwardly moves to form the foldable holding device in a reversed truncated quadrangular pyramid shape. The foldable holding device fixed to the floorboard so that the foldable holding device and floorboard configure a single member. Alternatively, the foldable holding device is detachable to the floorboard.