Hinged Door Protective Case for Mobile Devices
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Solution Overview
Problem
Conventional protective cases for mobile electronic devices fail to provide comprehensive protection against water, dust, and wear and tear, often leaving screens and ports exposed, and are either cumbersome or inconvenient to use.
Innovation Solution
A protective case with a hingedly attached door that pivots 270 degrees to securely protect ports, allowing for easy access while maintaining a tidy design and preventing the door from catching or breaking off.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional protective cases provide water and dust protection for the complete device, then protection against water and dust is improved, but the case becomes large and cumbersome
Solution Approach 1:
The protective case is segmented into distinct functional zones: a main body providing water/dust protection and a hinged door assembly for port access. This segmentation allows the protective features to be concentrated where needed without expanding the overall case volume uniformly.
Solution Approach 2:
The door assembly is nested within the case structure, pivoting on a hinge that integrates into the case body. When closed, the door is contained within the case envelope; when open, it provides access without requiring external attachment, thus maintaining compact dimensions.
2Reliability
If conventional protective cases protect ports with rubber plugs on flaps, then port protection is improved, but the plugs become loose or break off and ports become blocked
Solution Approach 1:
The door assembly transitions from a static covered port design to a dynamic hinged system that can pivot between closed (protected) and open (accessible) positions. This dynamic mechanism eliminates the need for removable plugs while maintaining both protection and accessibility.
Solution Approach 2:
The hinged door automatically maintains its closed position through its own structural design, requiring no additional plugs or fasteners. The hinge mechanism itself provides the sealing function, making the system self-sufficient and eliminating components that could become loose or break.
3Reliability
If conventional protective cases use rubber flaps with plugs for port protection, then port sealing is improved, but the flaps resist pivoting and require continual finger pressure to hold open
Solution Approach 1:
The hinged door assembly provides controlled movement through its pivot mechanism, allowing smooth transition between positions without the resistance issues of rubber flaps. The hinge enables the door to be held securely in either open or closed position without requiring continuous finger pressure.
Solution Approach 2:
The flexible rubber flap mechanism is replaced with a rigid hinged door system. This substitution eliminates the pivoting resistance inherent in flexible materials while maintaining the sealing function through precise mechanical alignment and contact surfaces.
4Ease of operation
If conventional protective cases allow screen viewing and use, then screen accessibility is improved, but the case becomes large and cumbersome
Solution Approach 1:
The case design segments the access requirements: the screen remains continuously accessible through the case opening while port access is provided by a separate hinged door. This segmentation allows screen usability without requiring the entire case to be enlarged for additional access mechanisms.
Data Source
AI summary
A protective case for a mobile electronic device includes a shell defining a cavity for receiving the device, a door hingedly connected to the shell at an edge of the shell such that the door rotates from a closed position to an open position, an internal wall dividing the cavity into a device side and an opening side, the internal wall having at least one aperture corresponding to at least one of a power port, a data port, or an audio port of the device, and at least one elastomeric seal disposed such that the at least one of the power port, the data port, or the audio port is accessible through the at least one aperture when the door is in the open position, and such that the at least one elastomeric seal seals the at least one aperture when the door is in the closed position.