Collapsible Bulk Container With Interlocking Frames
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Solution Overview
Problem
Existing bulk containers for flowable materials are either bulky and heavy, inefficient in space utilization, or lightweight but non-stackable and prone to damage during transport due to lack of lateral support.
Innovation Solution
A stackable, collapsible container design featuring a flexible outer and inner bag with interlocking frames that provide lateral support, allowing for identical frame dimensions and secure stacking, thus minimizing movement and damage during transport.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If rigid containers (drums) are used for storage and transportation, then strength and durability are improved, but weight and space utilization deteriorate
Solution Approach 1:
The container is divided into two distinct frames (first frame and second frame) that can function independently or together. The first frame provides primary structural support while the second frame enhances stacking capability and lateral support, allowing the container to be segmented for different operational needs.
Solution Approach 2:
The container combines rigid frame structures with flexible outer and inner bags, creating a composite construction that integrates the strength of rigid materials with the lightness and flexibility of soft materials, thereby reducing overall weight while maintaining durability.
2Strength
If rigid containers (drums) are used for storage and transportation, then strength is improved, but space utilization deteriorates
Solution Approach 1:
The container is divided into two distinct frames (first frame and second frame) that can function independently or together. The first frame provides primary structural support while the second frame enhances stacking capability and lateral support, allowing the container to be segmented for different operational needs.
Solution Approach 2:
The container employs flexible outer and inner bags instead of rigid walls, allowing the container to conform to available storage space and be collapsed when empty, thereby significantly improving space utilization while maintaining structural integrity through the frame supports.
3Weight of stationary object
If flexible containers are used to reduce weight, then weight is improved, but stackability deteriorates
Solution Approach 1:
The container is divided into two distinct frames (first frame and second frame) that can function independently or together. The first frame provides primary structural support while the second frame enhances stacking capability and lateral support, allowing the container to be segmented for different operational needs.
Solution Approach 2:
The container design changes the structural parameters by introducing a second frame with specific geometric configurations that provide stacking surfaces and lateral support, transforming the container from a non-stackable flexible bag into a stackable structure while maintaining lightweight characteristics.
4Volume of stationary object
If rigid square containers are used to maximize space allocation, then space utilization is improved, but weight and cost increase
Solution Approach 1:
The container employs flexible outer and inner bags instead of rigid walls, allowing the container to conform to available storage space and be collapsed when empty, thereby significantly improving space utilization while maintaining structural integrity through the frame supports.
Solution Approach 2:
The container is divided into two distinct frames (first frame and second frame) that can function independently or together. The first frame provides primary structural support while the second frame enhances stacking capability and lateral support, allowing the container to be segmented for different operational needs.
5Stability of the object's composition
If collapsible containers with rigid side supports are used to allow stacking, then stackability is improved, but access to the top deteriorates
Solution Approach 1:
The container is divided into two distinct frames (first frame and second frame) that can function independently or together. The first frame provides primary structural support while the second frame enhances stacking capability and lateral support, allowing the container to be segmented for different operational needs.
Solution Approach 2:
The container provides rigid structural support at specific locations (frames and side supports) while maintaining flexible, open tops for easy access. This localized application of rigidity versus flexibility allows stacking capability at the sides while preserving full top access for filling operations.
6Stability of the object's composition
If collapsible containers with rigid side supports are used to allow stacking, then stackability is improved, but space utilization deteriorates
Solution Approach 1:
The container employs flexible outer and inner bags instead of rigid walls, allowing the container to conform to available storage space and be collapsed when empty, thereby significantly improving space utilization while maintaining structural integrity through the frame supports.
Solution Approach 2:
The container is divided into two distinct frames (first frame and second frame) that can function independently or together. The first frame provides primary structural support while the second frame enhances stacking capability and lateral support, allowing the container to be segmented for different operational needs.
7Stability of the object's composition
If stackable collapsible containers with top and bottom panels are used, then stackability is improved, but lateral support deteriorates
Solution Approach 1:
The container is divided into two distinct frames (first frame and second frame) that can function independently or together. The first frame provides primary structural support while the second frame enhances stacking capability and lateral support, allowing the container to be segmented for different operational needs.
Solution Approach 2:
The container provides rigid structural support at specific locations (frames and side supports) while maintaining flexible, open tops for easy access. This localized application of rigidity versus flexibility allows stacking capability at the sides while preserving full top access for filling operations.
Data Source
AI summary
A stackable collapsible container for flowable materials. The container has a flexible outer skin and rigid support, having a top frame and bottom frame connected by poles. The top frame and bottom frame are designed for mating engagement when the containers are stacked, as well as for mating engagement when the containers are broken down for transport. The top frame and bottom frame are provided with similar perimeters to prevent undesired movement and contact between adjacent top frame when the containers are filled and transported.


