Quick Connector Lock Cover With Bead Verification
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing quick connector couplings for fluid line assemblies lack a secure and efficient mechanism for making a releasable connection, often requiring complex assembly processes and risking disassembly due to insufficient pull-off force and potential loss of components.
Innovation Solution
A quick connector coupling design featuring a male member with an annular bead, a connector body with integrated bead checkers and a lock cover that includes a verifier and sound checker, ensuring secure engagement and preventing loss by moving between unlatched and latched positions only when the annular bead is correctly seated, and utilizing retainer tabs and angled guide surfaces for secure insertion and retention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a traditional quick connector coupling is used, then the assembly process is simplified, but the connection reliability is insufficient due to lack of verification mechanism
Solution Approach 1:
The patent implements a feedback mechanism through the verifier and bead checker system. When the male member is correctly inserted, the annular bead pushes the bead checker outward, which allows the verifier to move into the verification position, providing visual feedback that the connection is proper. This feedback loop ensures connection reliability while maintaining simple assembly procedures.
Solution Approach 2:
The quick connector design allows the assembly process to self-verify through the integrated bead checker and verifier mechanism. As the male member is inserted, the bead automatically interacts with the bead checker, which in turn controls the verifier position, eliminating the need for separate verification steps and maintaining simplicity while ensuring reliability.
2Reliability
If a lock cover with verifier is added to ensure secure engagement, then the connection reliability is improved, but the device complexity increases
Solution Approach 1:
The patent merges multiple functions into the lock cover assembly: locking, verification, and indication are all integrated into a single component system. The verifier is built into the lock cover, and the bead checker is integrated into the connector body, creating a unified system that provides secure engagement without adding separate complex verification devices.
Solution Approach 2:
The lock cover serves multiple functions simultaneously: it locks the male member in place, houses the verifier for engagement verification, and works with the bead checker to provide visual indication. This multi-functionality reduces the need for separate components, maintaining simplicity while ensuring secure engagement.
3Ease of operation
If the verifier is made movable to indicate proper insertion, then the ease of operation is improved, but the risk of component loss increases
Solution Approach 1:
The verifier is nested within the lock cover, which itself is retained on the connector body. When the male member is properly inserted, the verifier moves within the confines of the lock cover to indicate verification. The lock cover acts as a containing structure that prevents the verifier from being lost, while still allowing it to move for indication purposes.
Solution Approach 2:
The lock cover is pre-installed on the connector body before the male member is inserted. This preliminary action ensures that the verifier is already contained and secured within the lock cover structure, eliminating the risk of component loss while allowing the verifier to move freely within its confined space for indication.
4Reliability
If the bead checker is integrated into the connector body, then the loss of components is prevented, but the manufacturing complexity increases
Solution Approach 1:
The bead checker is merged with the connector body as an integrated component. The bead checker fingers are formed as part of the connector body structure, eliminating the need for separate manufacturing and assembly steps for this component. This integration prevents component loss while the design maintains manufacturability through standard molding or fabrication processes.
Data Source
AI summary
A quick connector assembly for making a severable connection in a fluid line includes a connector body and a lock cover. The connector body has a through bore along a longitudinal axis and further includes a retainer that is engaged with the connector body for securing a male member and a bead checker that is sized and position to be laterally moved outwardly from the longitudinal axis. The lock cover releasably engages with the connector body and includes a verifier for verifying whether the male member is fully inserted into the connector body. Accordingly, the quick connector assembly is securely coupled with the male member having an annular bead as a quick connector coupling.