Helmet Goggle Strap Clip Tool-Free Retention
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Solution Overview
Problem
Existing helmet goggle retention clips require tools or attachments for assembly and disassembly and often lack sufficient tension to securely hold goggles on the helmet.
Innovation Solution
A helmet goggle strap retention clip with a clip body and resilient legs that can be assembled and disassembled without tools, featuring a foot with a cover portion and support fin that engages the helmet's outer shell, providing sufficient tension to retain the goggles in place.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional clip is used to retain the goggle strap on the helmet, then the goggle strap can be held in place, but the clip requires tools or attachments for assembly and disassembly
Solution Approach 1:
The retention clip is designed to be self-installing and self-removing by utilizing the resilient legs that flexibly engage with the helmet shell. The user can simply press the clip onto the helmet and remove it by applying force to the resilient legs, eliminating the need for tools or attachments.
Solution Approach 2:
The resilient legs are designed to be flexible and dynamic, allowing the clip to adapt to the helmet surface during installation and removal. The resilient nature enables the legs to bend during engagement and disengagement, providing ease of operation without requiring additional tools.
2Reliability
If a traditional clip is used to retain the goggle strap on the helmet, then the goggle strap can be held, but the clip does not have sufficient tension to securely hold the goggles
Solution Approach 1:
The resilient legs are designed with curved geometries that allow them to flex and engage with the helmet shell. The curved shape of the legs and the arch formation create mechanical advantage, enabling the clip to generate sufficient tension and retention force to securely hold the goggle strap.
Solution Approach 2:
The retention clip is divided into multiple resilient legs that independently engage with the helmet shell. This segmentation allows each leg to contribute to the overall tension and retention force, distributing the load and providing sufficient holding strength.
3Ease of operation
If the retention clip is designed with resilient legs that engage the helmet shell, then tool-free assembly is enabled, but the clip body must be in direct contact with the outer shell to maintain structural integrity
Solution Approach 1:
The clip body serves multiple functions: it provides structural support, maintains the geometry of the resilient legs, and directly contacts the helmet shell to anchor the entire assembly. This multi-functionality allows the simple clip body design to enable tool-free operation while maintaining structural integrity.
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
Enables secure retention of goggles on the helmet without additional tools, ensuring they remain in place during use while allowing easy installation and removal without damaging the helmet.
Implementation Method 1
at least one resilient leg extending from the clip body in a first direction and symmetrical about a center of the clip body
Data Source
AI summary
A helmet and goggle strap clip combination includes a helmet body with an outer shell having an opening in a surface. The goggle strap clip includes a clip body and a resilient leg with a foot at an end of the leg, the foot having a foot body. A cover portion extends from the foot body in a first direction and a support fin extends from the foot body in a second direction opposite the first direction. The foot is configured to engage the opening in the outer shell of the helmet with the cover portion overlapping a portion of the outer shell and the support fin being positioned inside of the outer shell.