Connector CPA Safety Locking for Secure Counter-Connector Mating

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing connector position assurance (CPA) devices may inadvertently open or detach from connector assemblies, compromising the reliability and stability of the connection between connectors and counter-connectors.

Innovation Solution

A dual locking system is introduced, featuring a safety locking member that slides between open and closed positions to prevent movement of the CPA device and counter-connector relative to the connector, ensuring secure mating and preventing unintended detachment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a CPA device is installed in the connector to ensure proper mating and positioning, then the connection reliability is improved, but the CPA device may inadvertently open or detach from the connector assembly

Engineering Contradiction:
Improveconnection reliabilityVSAvoidCPA device stability
Core Design Contradiction:
ReliabilityVSStability of the object's composition

Solution Approach 1:

The locking system is divided into two independent but complementary locking members: a first locking member that locks the CPA device to the connector, and a second locking member that locks the counter-connector to the connector. Each locking member operates independently to provide specialized locking function, preventing the CPA device from detaching while maintaining overall system reliability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The first locking member is configured to lock the CPA device to the connector before the counter-connector is fully mated. This preliminary locking action ensures the CPA device is securely positioned on the connector housing before the main connection is established, preventing inadvertent opening during the mating process.

Inventive Principle:
Principle #10Preliminary action

2Stability of the object's composition

If a safety locking member is added to prevent CPA device opening, then the CPA device stability is improved, but the device complexity increases

Engineering Contradiction:
ImproveCPA device stabilityVSAvoidlocking system complexity
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The first locking member and second locking member are integrated into a unified locking system where both members work together to secure the connector assembly. The locking members share common structural elements and mounting mechanisms on the connector housing, reducing overall complexity compared to separate locking systems.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The connector housing is designed with universal mounting features and locking mechanisms that can accommodate both the CPA device locking function and the counter-connector locking function. The housing structure serves multiple purposes: providing mechanical support, guiding the locking members, and securing both the CPA device and counter-connector.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS20240372289A1Dual locking system
Publication Date: 2024.11.07 APTIV TECHNOLOGIES AG
  • US20240372289A1 patent drawing
  • US20240372289A1 patent drawing
  • US20240372289A1 patent drawing

AI summary

A connector assembly includes a connector and a counter-connector. The connector comprises a connector housing, a CPA device slidably mounted on the connector housing between an initial position and a final position. The connector further includes a safety locking member which is slidably mounted on the connector between an open position in which the safety locking member is attached to the connector and in which the safety locking member leaves both the CPA device and the counter-connector free to be moved with respect to the connector and a closed position in which the safety locking member prevents a movement of both the CPA device and the counter-connector with respect to the connector.