Modular Rack Assembly With Tool-Free Expandable Shelves
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Solution Overview
Problem
Conventional shoe racks are fixed in shape and cannot be freely assembled, disassembled, or expanded without tools, making them inconvenient for use.
Innovation Solution
A modular rack design featuring support frames with connecting members and hooks that allow for easy assembly and disassembly, enabling the creation of various shapes and configurations without the need for tools, using vertically aligned tubes and horizontal connectors with hooks for shelf attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional fixed-shape shoe racks are used, then structural stability is maintained, but adaptability and ease of reconfiguration are poor
Solution Approach 1:
The rack is divided into independent modular components including support frames, shelves, connecting members with hooks, and insertion tubes. Each module can be independently assembled and disassembled, enabling flexible reconfiguration of the rack structure to adapt to different spatial requirements while maintaining simplicity of individual components
Solution Approach 2:
The connecting members with hooks and insertion tubes serve multiple functions: they connect support frames to shelves, enable vertical stacking of support frames, and allow horizontal expansion of the rack structure. This multi-functional design increases adaptability without proportionally increasing device complexity
2Ease of operation
If conventional fixed-shape shoe racks are used, then manufacturing simplicity is maintained, but ease of assembly and disassembly is poor
Solution Approach 1:
The rack system is segmented into pre-manufactured modular components with standardized connecting interfaces. The connecting members include pre-installed hooks and insertion tubes that simplify field assembly to simple snap-fit operations, while manufacturing remains straightforward through standardized production of individual modules
Solution Approach 2:
The connecting members are designed to be self-assembling through the hook-and-insertion tube mechanism that requires no tools or complex alignment procedures. Users can easily assemble and disassemble the rack themselves without requiring specialized skills or equipment, maintaining ease of manufacture while dramatically improving ease of assembly
3Adaptability or versatility
If modular connecting members with multiple hooks are used, then adaptability and configurability are improved, but structural complexity increases
Solution Approach 1:
The connecting members are segmented into distinct functional elements: the hook portion for attachment and the insertion tube portion for insertion. This segmentation allows each element to be simple in design while the combination provides high configurability, preventing overall structural complexity from increasing proportionally to adaptability
Data Source
AI summary
A rack assembly has two support frames, each support frame having at least one connecting member comprising a short tube welded on the support frame and an insertion tube inserted in the short tube. At least one shelf is positioned between the two support frames, each end of each shelf having at least one hook that is received in a corresponding short tube to detachably connect the shelf with the support frame. The shelves can be conveniently attached and detached from the support frames.