Quick Connect Indicator Tab for Full Coupling Engagement
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Solution Overview
Problem
In mass production using quick connect couplings, errors often result in incomplete engagement of the connections, leading to potential fluid leaks and assembly inefficiencies.
Innovation Solution
A quick connect connection assembly with an indicator tab that secures to the coupling, featuring arms or a tongue that extend through apertures, ensuring the coupling is fully engaged before the indicator can be removed, thus providing a visual or trackable confirmation of a secure connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If quick connect couplings are used to enable fast make-or-break connections, then connection speed and ease of operation are improved, but the risk of incomplete engagement and assembly errors increases
Solution Approach 1:
The indicator tab provides visual feedback to operators to confirm proper engagement of quick connect couplings. The tab remains trapped within the coupling body only when the connection is fully engaged, giving immediate visual confirmation that eliminates uncertainty about connection completeness while maintaining fast operation.
Solution Approach 2:
The indicator tab acts as an intermediary element between the coupling components. It is attached to the insert and interacts with the coupling body's aperture to provide engagement status information, mediating the communication between the mechanical connection state and the operator's perception.
2Difficulty of detecting and measuring
If traditional quick connect couplings without indicators are used, then device complexity is reduced, but detection of proper engagement becomes difficult
Solution Approach 1:
The indicator tab provides a visual indication through its presence or absence from the aperture, creating a clear visual distinction between engaged and disengaged states. This visual change mechanism makes engagement detection straightforward without requiring complex sensing systems.
3Reliability
If indicator tabs are added to quick connect couplings to ensure full engagement, then connection reliability is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The indicator tab is designed as a separate, removable component that can be attached to the insert independently of the main coupling body. This segmentation allows the indicator function to be added without redesigning the entire coupling system, simplifying manufacturing and assembly.
Solution Approach 2:
The indicator tab is designed as a simple, low-cost component that can be easily manufactured and replaced. Its simple geometry and material requirements make it an inexpensive addition that provides high value in terms of reliability improvement without significant cost penalty.
Data Source
AI summary
A quick connect connection assembly, including a quick connect, including a first end, a second end, a first radially outward facing surface, a first radially inward facing surface, a second radially inward facing surface, and at least one aperture extending from the first radially outward facing surface to the first radially inward facing surface, and an indicator tab operatively arranged to be removably secured to the quick connect, the indicator tab including at least one arm, wherein the at least one arm is arranged to extend through the at least one aperture and radially inward from the first radially inward facing surface.