Modular Detachable Shelf Assembly to Replace Welded Frames
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Solution Overview
Problem
Conventional shelves are difficult to disassemble after assembly due to welding, leading to handling difficulties and large occupation space during transportation.
Innovation Solution
A detachable shelf design featuring four column assemblies with detachable connections, support frames, and fitting grooves and catches that allow for adjustable and disassemblable components, enabling simplified assembly and disassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If welding is used to assemble shelf components, then the shelf structure becomes stable and strong, but the shelf cannot be disassembled for transportation
Solution Approach 1:
The shelf is divided into independent modular components (columns, support frames, shelves) that can be separately assembled and disassembled. Each component maintains structural integrity through precise connection interfaces while allowing easy separation, resolving the contradiction between strength and disassembly capability.
Solution Approach 2:
Connection pieces with catching mechanisms serve as intermediaries between shelf components. These intermediaries provide strong joining force during assembly while allowing controlled disassembly, replacing permanent welding with reversible mechanical connections that maintain strength without sacrificing disassembly capability.
2Stability of the object's composition
If the shelf is assembled as a complete unit, then the structure is stable, but it occupies large space and is difficult to handle during transportation
Solution Approach 1:
The complete shelf unit is segmented into smaller modular components that can be collapsed or folded together. This segmentation reduces the volume occupied during transportation while allowing the components to be quickly reassembled into a stable complete unit when needed, resolving the contradiction between structural stability and transportation space efficiency.
3Strength
If welding is used to join shelf components, then the joint strength is high, but the assembly process becomes complex and time-consuming
Solution Approach 1:
The connection pieces are designed with self-aligning and self-latching features that automatically guide components into proper positions and secure them without requiring complex welding procedures. This self-service mechanism maintains high joint strength while dramatically simplifying the assembly process, resolving the contradiction between joint strength and assembly simplicity.
Data Source
AI summary
A detachable shelf including four column assemblies, where each column assembly includes a plurality of columns distributed along a height direction; in each column assembly, adjacent columns are detachably connected; a plurality of support frames are disposed along the height direction among the four column assemblies; the support frame includes two mutually-parallel first cross beams and two mutually-parallel second cross beams; the front first cross beam is detachably connected to corresponding columns at front left and right ends and the rear first cross beam is detachably connected to corresponding columns at rear left and right ends; the left second cross beam is detachably connected to corresponding columns at left front and rear ends, and the right second cross beam is detachably connected to corresponding columns at right front and rear ends.