Helmet Inner Liner Padding with Detachable Fixing Elements
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Solution Overview
Problem
Conventional inner liners for helmets do not provide optimal comfort across different seasons, requiring multiple paddings made of different materials, which is inconvenient for users.
Innovation Solution
The inner liner is designed with structurally independent fixing elements that allow the padding to be detached, reversed, and reattached, enabling the use of both sides of the padding for different materials or sensations, such as warm and cool, without the need for multiple accessories.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple paddings made of different materials are provided for different seasons, then the comfort for different seasons is improved, but the device complexity and user inconvenience increase
Solution Approach 1:
The padding is divided into two separate layers (first layer and second layer) that can be independently handled. Each layer has different material properties suitable for different seasons, and they are joined together through a joining element that allows separation. This segmentation enables users to separate and reverse the layers according to seasonal needs without requiring multiple complete padding assemblies.
Solution Approach 2:
The joining element provides a dynamic connection between the two padding layers, allowing them to be easily attached and detached. This dynamic joint enables the padding structure to adapt its configuration based on seasonal requirements, transforming from a static single-padding design to a flexible multi-configuration system that reduces overall complexity.
2Device complexity
If the padding is made of a single material structure, then the device complexity is reduced, but the adaptability for different seasons deteriorates
Solution Approach 1:
Different regions of the padding system have different material qualities - the first layer has material properties suitable for one season while the second layer has properties suitable for another season. The joining element creates a localized connection point that allows these different material qualities to coexist in a single integrated structure, enabling seasonal adaptability without requiring multiple complete padding units.
3Manufacturing precision
If the fixing elements are structurally integrated with the padding, then the manufacturing precision is improved, but the ease of repair and cleaning deteriorates
Solution Approach 1:
The joining element is extracted as a separate, independent component from the padding layers. This extracted joining mechanism can be independently manipulated, removed, and replaced without damaging the padding material itself. This extraction enables easy maintenance and cleaning of the padding while preserving the precision of the fixing connection through the dedicated joining element.
Data Source
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AI summary
An inner liner (10) for a helmet (12) arranged between the head of a user and a cap (14) of the helmet (12) is described. The inner liner (10) includes a padding (13) and one or more fixing elements (20) having a coupling portion for removably fixing the padding (13) to the cap (14) of the helmet (12). The fixing elements (20) are elements structurally independent of or elements separable from the padding (13).