Snap-Lock Fluid Coupling With Collar Securing Mechanism
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Solution Overview
Problem
Existing fluid handling systems require fluid couplings that can easily and securely connect fluid flow paths while providing a secure but releasable connection, particularly for systems that provide fluid cooling for heat-generating devices like computer hardware.
Innovation Solution
The development of fluid coupling devices that snap together and are then releasably secured using a collar and collet mechanism, featuring a male coupling, female coupling, and a collar that slides between unlocked and locked positions, with projections engaging annular grooves for secure attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a fluid coupling uses a simple snap-together mechanism, then ease of assembly is improved, but connection security deteriorates
Solution Approach 1:
The coupling mechanism is divided into distinct functional segments: the snap-together portion for easy initial connection, and the separate collar component for secure locking. This segmentation allows each part to perform its specialized function optimally without compromising the other.
Solution Approach 2:
The snap-together mechanism performs a preliminary connection action that aligns and secures the basic joint, preparing the coupling for the subsequent collar installation. This preliminary securing makes the final collar attachment simpler and more reliable.
2Reliability
If a fluid coupling uses a secure locking mechanism, then connection security is improved, but device complexity deteriorates
Solution Approach 1:
The locking function is segmented into a separate collar component rather than being integrated into the main coupling body. This reduces the complexity of each individual part while maintaining the overall security function through the combination of components.
Solution Approach 2:
The collar is designed to slide over and nest around the already-connected coupling portions, with the collet structure nesting within the collar's central open space. This nested arrangement secures the connection without requiring a complex integrated mechanism.
3Reliability
If a fluid coupling uses multiple component parts, then connection security is improved, but manufacturing cost deteriorates
Solution Approach 1:
While segmented into multiple components, each part is designed for simple manufacturing with minimal features. The collar, male coupling, and female coupling can each be produced using standard machining or molding processes, keeping individual part costs low despite the multi-component design.
Solution Approach 2:
The collar serves multiple functions simultaneously: it provides the locking mechanism through collet engagement, guides alignment during assembly, and acts as a protective barrier. This multi-functionality reduces the need for additional separate components, lowering overall manufacturing complexity and cost.
Data Source
AI summary
Some fluid coupling devices that are used in fluid handling systems are designed to snap together and then secured to each other using a collar and collet mechanism. Some such fluid coupling devices are well suited for use in fluid handling systems that provide fluid cooling for heat generating devices such as computer hardware that benefit from compact fluid couplings that provide a secure but releasable connection.