Foldable Plastic-Bag Waste Collection Device for Rapid Setup
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Solution Overview
Problem
Existing waste collection devices for temporary events are bulky, heavy, and inefficient for transportation and installation, lacking in aesthetic appeal, and do not facilitate selective waste collection and easy deployment.
Innovation Solution
A foldable waste collection device with a compact design, made from lightweight materials like Hylite®, featuring a folding mechanism that eliminates hinges and screws, allowing easy transportation and rapid setup, and includes compartments for selective waste sorting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If traditional waste collection devices are used, then waste collection function is provided, but the devices are bulky and heavy making transportation difficult
Solution Approach 1:
The collection device is designed with a dynamic structure that can transform between a compact folded state for transportation and an expanded operational state for waste collection. The device includes foldable walls and a collapsible base that allow it to be compressed into a small volume while maintaining structural integrity when deployed.
Solution Approach 2:
The device employs a nesting mechanism where the walls and base are designed to collapse inward, allowing the structure to be compressed into a compact form factor. When folded, the device occupies minimal space similar to nested dolls, making it easy to transport multiple units in a single vehicle.
2Ease of operation
If collection devices are made small for easy handling, then portability is improved, but the volume increases when deployed reducing transportation efficiency
Solution Approach 1:
The device transitions from a static to a dynamic structure that adapts its volume based on operational needs. During transportation, the device maintains a compact folded state. When deployed, the walls unfold and the base expands to provide adequate collection volume, optimizing both portability and functionality at different stages.
3Strength
If collection devices are made robust and protective, then durability is improved, but the weight and bulk increase
Solution Approach 1:
The device utilizes flexible yet strong materials that provide structural integrity without excessive weight. The walls and base are constructed from lightweight but durable materials that can withstand operational stresses while maintaining a compact folded form factor, eliminating the need for heavy protective structures.
4Reliability
If traditional supports with masts and circles are used, then bag retention is achieved, but the structure becomes bulky and heavy
Solution Approach 1:
The invention extracts and eliminates the unnecessary mast and circle components from traditional designs. Instead, the bag is directly retained by the integrated collection chamber structure, which provides sufficient support and retention without the bulky external framework, significantly reducing transport volume and weight.
5Reliability
If collection devices require installation and removal procedures, then proper deployment is ensured, but time and complexity increase
Solution Approach 1:
The device is pre-assembled in a compact folded state that maintains all structural connections and alignments. When deployed, the pre-configured structure simply needs to be unfolded and positioned, eliminating the need for complex installation procedures. The pre-maintained structural integrity ensures proper deployment without requiring additional assembly steps.
Data Source
Figure 1A~1B
Figure 2
Figure 3A~3D
AI summary
The subject matter of the invention is a waste collection device intended to receive a bag made from plastic material SP, characterised in that, in order to produce a space V1, the blank that constitutes said device comprises: ‐ a front wall (10‐1), a back wall (10‐2), two side walls (10‐3, 10‐4) each comprising two panels (10‐31, 10‐32; 10‐41, 10‐42), with hinge lines between same oriented in a vertical direction, ‐ at least one flap (12‐1, 12‐2) in the extension of the front wall (10‐1), with a horizontal hinge line, ‐ at least one opening (14), provided in said at least one flap (12‐1, 12‐2).