Hinged Protective Case With Layered Rigid Foam And Flexible Jacket
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Solution Overview
Problem
Existing travel cases for electronic devices, particularly head-mounted displays, are rigid and inflexible, offering inadequate protection and adjustability for devices of varying sizes, leading to discomfort and limited versatility.
Innovation Solution
A case design featuring hingedly connected shells with a layered structure comprising a rigid inner layer, foam, batting, and a flexible outer jacket, allowing for adjustable storage and secure holding of different-sized devices, along with a retractable handle and slider mechanism for customizable space adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If rigid materials such as polymers are used for the travel case, then protection strength is improved, but comfort and adaptability deteriorate
Solution Approach 1:
The case is divided into multiple functional layers: a rigid inner shell for structural protection, a foam layer for cushioning, and a flexible outer jacket for adaptability. Each layer performs a specific function, allowing the case to simultaneously provide strong protection and adapt to different device sizes and shapes.
Solution Approach 2:
The case combines multiple materials with different properties: rigid polymer for the inner shell, foam material for shock absorption, and flexible fabric for the outer jacket. This composite structure integrates the advantages of each material to resolve the contradiction between strength and adaptability.
2Stability of the object's composition
If rigid materials are used for the travel case, then structural stability is improved, but comfort and flexibility deteriorate
Solution Approach 1:
The case structure is segmented into distinct layers with the rigid inner shell providing structural stability and the flexible outer jacket providing comfort during handling. The foam layer in between serves as a buffer, further enhancing comfort while maintaining overall structural integrity.
Solution Approach 2:
The outer jacket is made of flexible fabric material that conforms to the user's hand during handling, improving comfort. This flexible outer layer does not compromise the structural stability provided by the rigid inner shell, as each layer performs its specific function.
3Ease of manufacture
If a fixed shape structure is used, then manufacturing simplicity is improved, but adjustability for different device sizes deteriorates
Solution Approach 1:
The case uses a segmented layered structure where the rigid inner shell can be manufactured with standard dimensions, while the flexible outer jacket and foam layer adapt to different device sizes. This segmentation allows for simpler manufacturing of the structural components while maintaining adjustability through the flexible layers.
Solution Approach 2:
The case accommodates different device sizes by allowing the flexible outer jacket and foam layer to change their shape and volume parameters to conform to different devices, while the rigid inner shell maintains fixed manufacturing parameters for simplicity.
Data Source
AI summary
A case for storing and carrying a personal electronic device may include a first shell and a second shell each including a rigid layer, a foam layer, batting, and an outer jacket. The rigid layer may have a concave inner surface and a convex outer surface, the foam layer may cover the outer surface of the rigid layer, the batting may cover the foam layer, and the outer jacket may cover the batting. The first shell and the second shell may be hingedly connected at edges thereof so as to be opened and closed. When closed together, the first shell and the second shell may form an interior cavity of the case.