Fluid Coupling with Barbed Retainer to Reduce Crosslinking Steps
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Solution Overview
Problem
Conventional water tank couplings in refrigerators require multiple crosslinking steps, leading to complex and inefficient processing, which complicates the bonding process and increases tooling requirements.
Innovation Solution
A fluid coupling system with barbed projections and transverse connectors that allow for efficient crosslinking of tubes and overmolds, using a releasable retainer mechanism for secure attachment, reducing the need for double crosslinking and simplifying the assembly process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional water tank couplings use multiple crosslinking steps to ensure leak-free connections, then bonding reliability is improved, but device complexity and processing time increase
Solution Approach 1:
The coupling system is divided into separate male and female connector components that can be independently crosslinked and assembled. This segmentation allows each component to be processed separately with a single crosslinking step, eliminating the need for multiple crosslinking steps while maintaining connection reliability through the specialized barbed projection and retainer mechanism.
Solution Approach 2:
The male and female connectors are pre-assembled with tubes and overmolds before crosslinking occurs. This preliminary assembly allows the bonding interface to be established in advance, enabling a single crosslinking step to secure all connections simultaneously, thereby reducing processing complexity while ensuring leak-free bonds.
2Strength
If conventional couplings require double crosslinking to secure tube-overmold-connector assemblies, then bonding strength is improved, but productivity decreases
Solution Approach 1:
The coupling system separates the tube-overmold-connector assemblies into distinct male and female components that can be independently processed. Each component undergoes a single crosslinking step rather than double crosslinking, maintaining bonding strength through the barbed projection engagement and retainer mechanism while significantly improving processing efficiency.
Solution Approach 2:
All tube and overmold attachments are completed before the single crosslinking step. This preliminary assembly ensures that when crosslinking occurs, all bonding interfaces are already in their final positions, eliminating the need for subsequent crosslinking steps and thereby increasing productivity without compromising bonding strength.
3Manufacturing precision
If conventional systems use shielded tube assemblies during crosslinking to prevent premature bonding, then manufacturing precision is improved, but device complexity and tooling requirements increase
Solution Approach 1:
The tube-overmold-connector assemblies are pre-assembled with precise positioning before crosslinking. The barbed projection geometry and retainer mechanism ensure correct alignment is established in advance, eliminating the need for shields or special tooling during crosslinking while maintaining manufacturing precision.
Solution Approach 2:
The shielding function is extracted and replaced by the inherent geometric constraints of the barbed projection-female connector interface and the retainer mechanism. These features naturally prevent premature or misaligned bonding without requiring additional shielding components or complex tooling, thereby reducing device complexity while preserving bonding precision.
Data Source
AI summary
A fluid coupling for use with a reservoir of a water distribution system, such as a ganged reservoir system.