Collapsible Box Reinforcing Frame and Smooth Side Plates
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Solution Overview
Problem
Existing collapsible boxes have weak side plates that deform under heavy loads, leading to base depression and potential damage to goods, and are difficult to clean due to dirt accumulation in recessed areas.
Innovation Solution
The collapsible box features dual-smooth side plates with cavities and air-assisted molding, forming a reinforcing frame to resist base depression and incorporating air holes for improved cleaning efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If a thin-wall side plate structure with reinforcing ribs is used, then the box can be lightweight and collapsible, but the cleaning efficiency is low due to dirt accumulation in recessed parts and the bending resistance is insufficient under heavy loads
Solution Approach 1:
The side plate is divided into multiple segments: a smooth outer surface for easy cleaning, an inner reinforcing rib structure for strength, and a cavity structure for additional reinforcement. This segmentation allows each part to fulfill its specific function without compromising the others.
Solution Approach 2:
The side plate has different structural qualities in different regions: the outer surface is smooth for cleaning, while the inner region contains reinforcing ribs and cavities for strength. This local differentiation resolves the contradiction between cleanability and strength.
2Weight of moving object
If a thin-wall side plate structure is used, then the box can be lightweight and collapsible, but the bending resistance and compression resistance are weak, causing base depression under heavy loads
Solution Approach 1:
The side plate incorporates multiple functional segments: reinforcing ribs for bending resistance, cavity structures for compression resistance, and smooth surfaces for cleaning. This segmented approach allows optimization of both strength and weight.
Solution Approach 2:
The side plate uses a composite structure combining thin-wall material with internal reinforcing ribs and cavity formations. This composite design provides enhanced strength properties while maintaining lightweight characteristics.
3Ease of manufacture
If the side plate is made of a single thin wall, then the manufacturing is simple and cost is reduced, but the side plate cannot resist the inward tilting of the protrusion edge under heavy loads
Solution Approach 1:
The side plate is segmented into multiple functional zones: smooth outer surfaces for manufacturing simplicity and cleaning ease, and internal rib-cavity structures for structural reliability. This segmentation maintains manufacturing simplicity while enhancing reliability.
Solution Approach 2:
Different regions of the side plate have different structural qualities: the outer surfaces remain smooth for easy manufacturing and cleaning, while the inner regions contain reinforcing ribs and cavities for structural reliability under load.
4Stability of the object's composition
If the base protrusion edge height is defined, then the box structure is stable, but the side plate close to the hinge deforms and bends inwardly under heavy loads
Solution Approach 1:
The side plate is segmented with reinforcing ribs and cavities positioned to specifically counteract inward deformation at the hinge region, while maintaining overall structural stability. This localized segmentation addresses the specific deformation problem without compromising overall stability.
Solution Approach 2:
The side plate has enhanced local quality at the hinge region through reinforcing ribs and cavity structures, providing increased resistance to inward deformation while maintaining the overall stable structure defined by the protrusion edge height.
Data Source
AI summary
Disclosed is a collapsible box, comprising a base (1) and two pairs of opposite side plates. A protrusion edge (10) is provided at the periphery of the base (1). The side plates are hinged to the base and foldable relative to the base (1). Each of the side plates is smooth at both sides thereof and at least one pair of the side plates are each provided with a cavity in lower edges. When a collapsible box (100) is deployed, the lower edges of one pair of side plate are connected with the lower edges of the other pair of side plates so as to form a frame. The frame is hinged to the base (1) by means of hinges, so as to form a reinforced structure which resists the base from depressing and the protrusion edge from recessing. This solution increases the cleaning efficiency of the collapsible box, alleviates the depressing of the base when the box body is loaded, and solves the problem of the collision and damage among goods in upper and lower layers due to the depressing of the base due to multi-layer stacking of collapsible boxes. Further, the safety risk in warehouse storage caused by the failure of stacking due to side plate deformation caused by multi-layer stacking of collapsible boxes and side plates being pressed is avoided. Meanwhile the box has a smaller wall thickness and a higher folding ratio.