Foldable Storage Cabinet

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Solution Overview

Problem

Existing foldable storage cabinets face issues with poor load-bearing capacity, instability when stacked, and limited design options, particularly in plastic and non-woven materials, which affect their overall stability and service life.

Innovation Solution

A foldable storage cabinet design incorporating a plastic front and rear frames with cloth connecting pieces, featuring a rotatable door panel, nylon expansion rivets for connection, and a slot system for easy assembly and folding, allowing for aesthetically pleasing patterns and improved stability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If plastic storage cabinets are used, then load-bearing capacity is improved, but cost and overall weight increase

Engineering Contradiction:
Improveload-bearing capacityVSAvoidoverall weight
Core Design Contradiction:
StrengthVSWeight of moving object

Solution Approach 1:

The storage cabinet combines plastic frames with cloth connecting pieces to create a composite structure. The plastic components provide necessary strength and load-bearing capacity, while the cloth components reduce overall weight and cost compared to fully plastic construction.

Inventive Principle:
Principle #40Composite materials

2Adaptability or versatility

If plastic storage cabinets are stacked freely, then stacking flexibility is improved, but overall stability deteriorates

Engineering Contradiction:
Improvestacking flexibilityVSAvoidoverall stability
Core Design Contradiction:
Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The storage cabinet is divided into independent modular units with standardized connection interfaces. Each unit can be stacked independently but connects to others through matching structures, allowing flexible arrangement while maintaining overall stability through standardized joining mechanisms.

Inventive Principle:
Principle #1Segmentation

3Shape

If non-woven storage cabinets are used, then pattern color display is improved, but load-bearing capacity and service life deteriorate

Engineering Contradiction:
Improvepattern color displayVSAvoidload-bearing capacity
Core Design Contradiction:
ShapeVSStrength

Solution Approach 1:

The design combines plastic structural components that provide load-bearing capacity with cloth or non-woven fabric panels that can display patterns and colors. The plastic frames and connecting pieces bear the mechanical loads while the fabric surfaces provide aesthetic functionality.

Inventive Principle:
Principle #40Composite materials

4Strength

If storage cabinets require tools and fittings for installation, then connection strength is improved, but ease of assembly deteriorates

Engineering Contradiction:
Improveconnection strengthVSAvoidease of assembly
Core Design Contradiction:
StrengthVSEase of manufacture

Solution Approach 1:

The connection structures are integrated directly into the cabinet components themselves rather than requiring separate tools and fittings. The plastic frames include built-in connection features that interlock with matching features on other units, providing strong connections through the cabinet structures alone.

Inventive Principle:
Principle #5Merging (Combining)

5Stability of the object's composition

If storage cabinets cannot be folded integrally, then structural stability is improved, but ease of storage deteriorates

Engineering Contradiction:
Improvestructural stabilityVSAvoidease of storage
Core Design Contradiction:
Stability of the object's compositionVSEase of operation

Solution Approach 1:

The storage cabinet incorporates flexible cloth connecting pieces that can transition between rigid and flexible states. During normal use, the connections maintain structural stability, but when folding is required, the cloth components can be flexed and folded while the plastic frames remain relatively rigid, enabling integral folding of the entire cabinet.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS20260041233A1Foldable Storage Cabinet
Publication Date: 2026.02.12 SHANGHAI REAL TRADING CO LTD
  • US20260041233A1 patent drawing
  • US20260041233A1 patent drawing
  • US20260041233A1 patent drawing

AI summary

A foldable storage cabinet comprises a storage unit; the storage unit comprises a front frame, a rear frame and a front door panel; a cover plate is connected at the top of the front frame and the rear frame together; a first connecting piece is connected to both sides of the front frame and the rear frame together; a plurality of partition spaces are provided in the first connecting piece, and a side pad is provided in the partition space; a second connecting piece is connected at the bottom of the front frame and the rear frame together; a slot is formed through the front frame, and the front door panel is rotatably mounted in the slot; the front frame and the rear frame are both made of plastic; and the first connecting piece and the second connecting piece are both cloth materials.