Foldable Box Body With Flexible Sealing for Shopping Carts
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Solution Overview
Problem
Conventional box bodies and shopping carts with rigid structures face challenges in achieving complete sealing, are cumbersome to fold and unfold, and cannot accommodate liquids, leading to increased complexity and manufacturing costs.
Innovation Solution
A foldable box body with a flexible folding portion between front and rear box plates, incorporating fixing fasteners and rotational connections, allowing for seamless folding and unfolding without additional fixing structures, and enabling liquid containment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a rigid structure is used for the box body, then the structural strength is improved, but the sealing capability deteriorates and the folding complexity increases
Solution Approach 1:
The patent applies a flexible membrane structure to replace traditional rigid box bodies. The membrane material forms the walls and bottom of the box body, allowing it to be both strong and completely sealable. The flexible nature of the membrane enables complete sealing at connection and folding points, solving the sealing capability issue while maintaining structural integrity through the membrane's inherent strength.
Solution Approach 2:
The patent implements a dynamic folding mechanism where the box body can transition between folded and unfolded states through a one-step operation. The membrane structure配合with a rotating handle allows the user to fold or unfold the entire box body in a single motion, eliminating the need for multiple steps and additional fixing structures, thus reducing folding complexity.
2Stability of the object's composition
If additional structures are added to fix the box body shape after unfolding, then the shape stability is improved, but the device complexity and manufacturing costs increase
Solution Approach 1:
The patent employs a self-fixing mechanism where the membrane structure itself maintains the box body shape after unfolding without requiring additional external fixing structures. The membrane's elasticity and tension naturally stabilize the unfolded configuration, eliminating the need for extra components and simplifying the overall device structure.
Solution Approach 2:
The patent integrates the fixing function into the membrane structure itself rather than adding separate fixing components. The membrane serves multiple functions: containing the load, maintaining shape stability, and enabling folding - all in a unified structure, thereby reducing device complexity and manufacturing costs.
3Ease of manufacture
If a rigid structure is used for the box body, then the manufacturing simplicity is improved, but the adaptability deteriorates as it cannot transport liquids
Solution Approach 1:
The patent uses a flexible membrane material that can be manufactured using simple processes similar to traditional rigid box bodies, yet provides the adaptability to transport liquids. The membrane's flexibility allows it to conform to various shapes and completely seal, enabling the box body to transport both solids and liquids, thus improving versatility without significantly complicating manufacturing.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The foldable design reduces structural complexity, lowers production costs, and enhances user experience by facilitating versatile use and liquid accommodation while ensuring no leakage.
Implementation Method 1
A flexible folding portion (2) is provided between the front box plate (1) and the rear box plate (3). A foldable structure is formed between the front box plate (1) and the rear box plate (3) by means of the flexible folding portion (2).
Implementation Method 2
the foldable box body further comprises an upper box plate rotatably connected to the rear box plate, and/or the foldable box body further comprises a lower box plate rotatably connected to the front box plate
Data Source
AI summary
A foldable box body and a shopping cart using same are provided. The foldable box body includes a box plate, which forms an accommodating space. The box plate includes a front box plate and a rear box plate. A flexible folding portion is provided between the front box plate and the rear box plate. The front box plate and the rear box plate are foldable by means of the flexible folding portion. The foldable box body is provided on the shopping cart.