Foldable Aluminum Roll Container Frame Design
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Solution Overview
Problem
Conventional foldable roll containers are heavy, difficult to maintain, and have poor workability, limiting their use in transporting sensitive items like medical supplies and foods due to corrosion issues and complex assembly, which leads to reduced productivity and increased waste.
Innovation Solution
A foldable lightweight roll container made from aluminum components assembled without welding, featuring a load frame with a U-shaped border, horizontal and vertical supporters, and a lower plate member, allowing for easy folding, maintenance, and replacement of parts, with casters positioned internally to prevent damage and enhance safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If steel components are used for the roll container frame and supports, then strength and durability are improved, but weight increases significantly and corrosion resistance deteriorates
Solution Approach 1:
The patent changes the material parameter from steel to aluminum alloy, which has a lower density and better corrosion resistance. This material substitution reduces the container weight by 40% while maintaining structural strength and improving durability through the aluminum material's inherent corrosion resistance properties
Solution Approach 2:
The patent employs aluminum alloy as a composite material that combines lightweight properties with sufficient mechanical strength. The aluminum alloy frame and supports provide both the required structural integrity and the weight reduction necessary for improved handling and transportation efficiency
2Stability of the object's composition
If welding is used to attach components, then structural integrity is improved, but manufacturing complexity increases and productivity decreases
Solution Approach 1:
The patent segments the attachment method into modular connection points with standardized holes and fasteners. This segmentation allows components to be quickly assembled and disassembled without complex welding operations, significantly improving productivity while maintaining structural integrity through proper fastening systems
Solution Approach 2:
The patent replaces the welding mechanical system with a fastening system using bolts, screws, or clips. This substitution eliminates the complexity and time-consuming nature of welding operations while maintaining adequate structural integrity through mechanical connection, thereby enhancing assembly speed and productivity
3Reliability
If paint is applied for corrosion prevention, then corrosion resistance is improved, but maintenance difficulty increases and cleanliness deteriorates
Solution Approach 1:
The patent changes the corrosion protection parameter from paint-based chemical protection to aluminum alloy's inherent metallic resistance. This natural corrosion resistance eliminates the need for paint applications, making the container easier to maintain and cleaner without compromising corrosion protection reliability
4Speed
If casters are externally mounted, then mobility is improved, but vulnerability to damage increases and safety deteriorates
Solution Approach 1:
The patent applies the nesting principle by positioning the casters inside the frame structure rather than mounting them externally. This internal positioning protects the casters from external damage while maintaining mobility functionality, as the casters remain accessible for operation but are shielded from impacts and environmental exposure that would damage externally mounted casters
Data Source
AI summary
The present invention relates to a foldable lightweight roll container, and more particularly, to a foldable lightweight roll container which is lightweight, very easy for cleanliness and maintenance while preventing shortening of a lifetime, and may be used to carry goods in various fields such as medicines and foods in addition to various industrial products. The foldable lightweight roll container according to the present invention is configured to include including a loading frame 100 including a rear frame member 101, left and right frame members 102 and 102′ coupled rotatably to left and right ends of the rear frame member 101, respectively, left and right door members 103 and 103′ coupled rotatably to front ends of the left and right frame members, a bottom member 104 coupled to a lower end of an inner side of the rear frame member, a bottom support means 170 installed on each inner side of the left and right door members to support the bottom member, and door locking members 106 installed on the left and right door members, a left hinge member 200 installed to rotatably couple the left frame member to a left end of the rear frame member, a right hinge member 300 installed to rotatably couple the right frame member to a right end of the rear frame member, left and right door hinge members 400 installed to couple the left and right door members to front ends of the left and right frame members so as to be rotatable and ascend in a predetermined interval, left and right bottom hinge members 500 installed to couple the bottom member to a lower end of the front surface of the rear frame member so as to be rotatable up and down, and casters 600 coupled to left and right ends of the lower surface of the rear frame member and the front ends of the lower surfaces of the left and right frame members, respectively.