VDA Connector Verification Cover for Leak-Safe Fluid Connections
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Solution Overview
Problem
Conventional VDA connector assemblies face challenges in verifying a secure connection, with tolerances and moving parts leading to potential leaks or depressurization, and existing solutions are costly to manufacture.
Innovation Solution
A connector assembly with a housing and clip design that includes a pivoting cover with a bias member, revealing indicia when a secure connection is made, ensuring visual confirmation of a sealed connection without additional moving parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a verification tab or moving parts are added to indicate secure connection, then connection verification capability is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent extracts the verification function from complex moving parts and isolates it into a simple, static tab feature integrated into the housing. The tab is a non-moving structural element that passively indicates connection status through its position relative to the housing, eliminating the need for complex verification mechanisms while maintaining verification capability.
Solution Approach 2:
The verification tab is designed as a simple, inexpensive structural feature rather than a complex, expensive verification mechanism. The tab can be easily manufactured as part of the housing structure and does not require precision moving parts, sensors, or complex assemblies, thereby reducing manufacturing cost and complexity.
2Reliability
If tolerances are reduced to ensure smooth locking, then connection reliability is improved, but manufacturing precision requirements and cost increase
Solution Approach 1:
The patent applies local quality by providing a contoured shape with specific geometric features (radii, angles, and profiles) at the critical locking interface between the housing and male connector. This localized geometric design ensures smooth engagement and reliable locking without requiring tight tolerances across the entire component, as the contoured shape compensates for manufacturing variations at the specific engagement point.
3Loss of information
If additional moving parts are added for verification, then connection verification is improved, but risk of leaks and depressurization increases
Solution Approach 1:
The patent removes moving parts from the verification function and replaces them with a static tab feature. By extracting the verification capability from the sealing system, the design eliminates potential leak paths that could be created by moving parts while maintaining the ability to verify secure connection.
Solution Approach 2:
The verification tab serves itself by using the natural engagement and deformation of the male connector with the housing to automatically indicate connection status. The tab moves or positions itself based on the connection state without requiring additional actuators, sensors, or moving parts that could compromise sealing 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
The design provides a reliable and cost-effective method for verifying a secure fluid connection, reducing the risk of leaks and depressurization by visually indicating a sealed connection through a pivoting mechanism.
Implementation Method 1
The cover may include a pin and a bias member wherein the pin is attached to the receiving portion to allow the cover to pivot about the pin and the bias member is configured to provide a bias force to pivot the cover towards the closed position.
Data Source
AI summary
A connector assembly for joining a male member and a female connector member together to secure fluid communication in a fluid line system. The connector assembly includes a cover that is pivotally attached to the housing to conceal verification indicia when the male member is not attached to the housing. The cover configured to pivot relative to the housing to reveal the indicia once the male member is attached to the housing to allow a user or scanning device to view the indicia to verify a secure attachment of the connector assembly.