Protective Bag Connecting Component Stability
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Solution Overview
Problem
Existing protective bags for portable electronic devices with elastic bands or belts struggle to securely hold thinner screen bodies, leading to poor usability and a higher likelihood of the screen body flipping backward when unfolded, due to the narrower gap between device bodies and the looseness of elastic restraints.
Innovation Solution
A protective bag design featuring a first and second body with a connecting component, such as an elastic component or gear wheel structure, that allows the second body to stand on a carrying surface with support, preventing it from dumping backward, and includes fasteners for secure folding and unfolding, along with inner and outer material layers for protection and cushioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If elastic tapes or bands are used to band the screen body, then the protective bag can hold the device, but the elastic bands become loose and fail to secure thinner screen bodies
Solution Approach 1:
The patent removes the elastic bands from the protective bag design entirely. Instead of using elastic tapes or bands to secure the screen body, the invention uses a different mechanism where the protective bag structure itself provides support through a rigid or semi-rigid back panel that maintains the bag's shape and prevents the screen from flipping backward without requiring elastic restraints.
Solution Approach 2:
Rather than using elastic elements to actively secure the screen body, the invention inverts the approach by using a rigid structural support that passively maintains the bag's configuration. The back panel provides inherent structural integrity that prevents collapse or flipping, eliminating the need for active securing mechanisms.
2Ease of operation
If the protective bag is unfolded to use the device, then the screen can be accessed, but the screen body may flip backward and collide with other things
Solution Approach 1:
The rigid back panel acts as a counterweight and structural support that prevents the screen from flipping backward. The panel provides opposing force to gravity and movement that would cause the screen to flip, maintaining stability during use without requiring elastic bands to actively restrain the screen.
3Reliability
If elastic tapes are used to band the screen, then the device can be secured, but the narrower gap between device bodies makes banding difficult
Solution Approach 1:
The invention completely removes the elastic banding mechanism from the protective bag design. By eliminating the need for bands, tapes, or elastic elements, the patent simplifies the overall structure and avoids the complexity of fitting and adjusting elastic restraints in the narrow space between device bodies.
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 design ensures the second body stands stably on the carrying surface with a support provided by the connecting component, preventing it from colliding with other objects and enhancing usability by allowing easy access and secure holding of the device, while the elastic or frictional support maintains stability without causing fatigue.
Implementation Method 1
the second covering plate leans against the rear surface with an elastic restoring force provided by the elastic component
Data Source
AI summary
A protective bag for a portable electronic device with a first body and a second body is provided. The first body may be carried on a carrying surface. The second body may be folded relative to the first body to cover the first body or unfolded relative to the first body to stand on the carrying surface. The protective bag comprises a first covering plate for covering a bottom surface of the first body, a second covering plate for covering a rear surface of the second body and at least a connecting component connected between the first covering plate and the second covering plate. When the bottom surface is carried on the carrying surface via the first covering plate and the second body is unfolded relative to the first body, the second covering plate stands on the carrying surface with a support provided by the connecting component.