Helmet Pad Fastening Structure for Emergency Separation
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Solution Overview
Problem
Conventional detachable pads on helmets often fail to unfasten during accidents, preventing the helmet from being removed from the wearer's head, leading to potential injury.
Innovation Solution
A detachable pad fastening structure featuring a first fastening unit with a fastening hole on the helmet and a second fastening unit with a slot-like through-hole and a movable second fastening member that can be inserted and separated from the fastening hole, allowing easy detachment of the pad from the helmet main body.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the detachable pad uses a conventional fastening structure, then the pad is securely fixed to the helmet, but the pad cannot be naturally separated during an accident causing potential injury
Solution Approach 1:
The fastening member is designed to be movable relative to the through-hole, transitioning between a fastening state (protruding from one side) and a separated state (protruding from the other side). This dynamic capability allows the pad to be securely fixed during normal use but automatically separate during accidents, resolving the contradiction between secure fixation and emergency separability.
2Ease of operation
If the fastening member protrudes from the detachable pad, then the pad can be easily detached, but the fastening structure becomes more complex
Solution Approach 1:
The fastening structure is divided into distinct components: a through-hole formed in the detachable pad and a separate fastening member with an insertion portion. This segmentation allows the fastening member to independently protrude from the pad surface, providing easy detachment functionality while keeping each component structurally simple and manageable.
Data Source
AI summary
A detachable pad fastening structure of a helmet includes a first fastening unit, which includes a first fastening member having a fastening hole formed therein and is disposed at an inner surface of a helmet main body. A second fastening unit includes a through-hole in the form of a slot in a detachable pad and a second fastening member formed to be movable relative to the through-hole, having at least a part protruding toward the outside of the detachable pad so as to be inserted into the fastening hole when the second fastening member is located at one side of the through-hole, and configured to be inserted toward the inside of the detachable pad so as to be removed from the fastening hole when the second fastening member is moved relative to the through-hole toward the other side of the through-hole.