Adjustable Inflatable Helmet Shell for User-Specific Fit
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Solution Overview
Problem
Existing airbag systems for head protection are not adaptable to different users due to varying physical dimensions and comfort preferences, such as neck width and clothing thickness, leading to a need for adjustable sizing.
Innovation Solution
An inflatable helmet with a detachable shell and adjustable airbag system, featuring size adjustment means like straps, pads, and inflatable tubes, allowing for customizable fit and comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed-size airbag system is used, then the structure is simple, but it cannot adapt to different users with varying physical dimensions and comfort preferences
Solution Approach 1:
The airbag system incorporates adjustable sizing mechanisms that allow the collar diameter to be dynamically modified. Size adjustment means such as straps or pads enable the collar to be tightened or loosened, transforming a static structure into an adaptable one that fits different neck sizes and clothing thicknesses while maintaining protection effectiveness.
Solution Approach 2:
The airbag system is divided into modular components including the airbag, shell, and detachable size adjustment means. This segmentation allows users to adjust individual components (such as adding or removing pads) without affecting the entire system, providing versatility while keeping each component relatively simple in design.
2Adaptability or versatility
If size adjustment means are added to the airbag system, then adaptability to different users is improved, but the device complexity increases
Solution Approach 1:
The size adjustment means serves multiple functions: it adjusts the collar size for different users, provides comfort customization, and can be easily attached or removed. This multi-functionality reduces the need for multiple separate adjustment mechanisms, thereby limiting the increase in overall device complexity while maximizing adaptability.
Solution Approach 2:
The size adjustment means acts as an intermediary component between the user and the airbag system. Rather than integrating complexity directly into the airbag structure, the adjustable elements serve as mediators that bridge the gap between fixed system design and variable user needs, adding minimal complexity while achieving maximum adaptability.
Data Source
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Figure 2a~2c
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AI summary
An airbag system (10) comprising an airbag and a detachable shell enclosing the airbag when the airbag is in a non-inflated state, and at least one size adjustment means. Further, an inflatable helmet having such airbag system (10), and an item of apparel (11) having such airbag system (10) are provided.