High-Power Connector Latch Lock for Tool-Free Low-Profile Coupling

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Solution Overview

Problem

Existing high power connectors often require tools for assembly and disassembly, making the process cumbersome and time-consuming, and they lack ergonomic features for easy and quick attachment and release.

Innovation Solution

A connector design featuring an insulative housing with latches that can be pressed to secure a conductive coupling pin, a lock mechanism that moves with the latches, and a conductive body for easy attachment and release without tools, allowing for a low-profile assembly.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a traditional connector design is used, then structural simplicity is maintained, but assembly and release require tools and are not quick or easy

Engineering Contradiction:
Improveassembly and release operationVSAvoidconnector structure
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The connector employs dynamic latches that can be pressed into a pressed condition to release the coupling pin, transforming a static connection into a dynamically controllable one that allows quick tool-free assembly and release operations

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The connector is divided into functional segments including the insulative housing, conductive body, lock mechanism, and latches, allowing each component to perform its specific function independently while contributing to the overall quick-connect capability

Inventive Principle:
Principle #1Segmentation

2Reliability

If a secure locking mechanism is implemented, then connection reliability is improved, but the profile height increases

Engineering Contradiction:
Improveelectrical connection securityVSAvoidconnector profile height
Core Design Contradiction:
ReliabilityVSLength of stationary object

Solution Approach 1:

The lock mechanism is nested within the insulative housing, with the conductive body and latches integrated into the housing structure, allowing the secure locking function to be achieved without increasing the overall profile height of the connector

Inventive Principle:
Principle #7Nested doll (Nesting)

3Length of stationary object

If a low profile design is used, then compactness is achieved, but the retention force for the coupling pin is reduced

Engineering Contradiction:
Improveconnector profile heightVSAvoidretention force
Core Design Contradiction:
Length of stationary objectVSForce

Solution Approach 1:

The connector concentrates retention force locally at the engagement interface between the coupling pin and the lock mechanism, using the conductive body and latches to provide focused mechanical engagement that maintains high retention force within the compact low-profile structure

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS12609485B2High power connector
Publication Date: 2026.04.21 MOLEX INC
  • US12609485B2 patent drawing
  • US12609485B2 patent drawing
  • US12609485B2 patent drawing

AI summary

A connector is configured to be mounted to first and second electrical components. The connector includes an insulative housing having latches which can be pressed into a pressed condition, and a conductive body and a lock mounted within the housing. The body has engagements configured to be coupled to the electrical components. The lock is in contact with the latches and is movable therewith when the latches are pressed. The lock engages with a coupling pin of one of the electrical components to secure the electrical component to the connector.