Storage Rack with Retractable Support Feet for Portable Stacking
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Solution Overview
Problem
Conventional storage racks are not portable, cannot be easily retracted or stored, and do not stack firmly when multiple units are used.
Innovation Solution
A storage rack design featuring support feet with arcuate faces that expand or retract into oval orifices, allowing vertical extension and horizontal retraction, and grips on short fringes for flexible stacking by inserting closed extensions into other racks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If conventional storage racks are connected fixedly, then structural stability is improved, but portability and ease of storage deteriorate
Solution Approach 1:
The storage rack is divided into separable components (platform, support feet, grips) that can be disconnected. The support feet can be retracted into the platform, and multiple racks can be stacked or separated, enabling easy portability while maintaining structural stability when assembled
Solution Approach 2:
The support feet are designed to be dynamically adjustable - they can be extended outward for stable support during use, or retracted into the platform for compact storage and portability. This dynamic transformation resolves the contradiction between stability and portability
2Quantity of substance
If multiple conventional storage racks are stacked, then space utilization is improved, but stacking firmness deteriorates
Solution Approach 1:
Grips are introduced as intermediary components on the short fringes of the platform. These grips provide dedicated engagement points for stacking multiple racks together, ensuring firm connection between racks while enabling flexible stacking configurations based on usage requirements
3Stability of the object's composition
If support feet are fixed in position, then structural stability is improved, but adaptability deteriorates
Solution Approach 1:
The support feet are designed with arcuate faces that engage with oval orifices, allowing them to be rotated between different positions (erected vertically for support, or retracted horizontally). This dynamic positioning provides both structural stability when erected and adaptability for different configurations and storage states
4Strength
If support feet are extended outward, then load-bearing capacity is improved, but storage compactness deteriorates
Solution Approach 1:
The support feet can dynamically change their position between extended (for load-bearing) and retracted (for compact storage). When not in use, they are rotated to lie horizontally within the platform boundaries, achieving compact storage without permanent loss of load-bearing capability
Data Source
AI summary
A storage rack contains: a rectangular platform, two support feet, a rectangular plane, two long fringes, two short fringes, four circular orifices, four oval orifices, and two grips which. The two support feet are connected on the rectangular platform, and a respective support foot has a first inward bending portion and a second inward bending portion which are formed on two free ends of two tops of the respective support foot. Each of the first inward bending portion and the second inward bending portion has an arcuate face and an insertion, the arcuate face corresponds to a respective oval orifice of a respective long fringe of the rectangular platform, and the insertion corresponds to a respective circular orifice of the respective long fringe of the rectangular platform, such that the insertion is rotatably accommodated into the respective circular orifice to expand or retract the respective support foot freely.