Movable Shroud Connector for Tight-Space Plug Operation

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Solution Overview

Problem

Conventional circular plug connectors face challenges in making and releasing connections in tight spaces due to the limited space for tools or manual operation, as the actuating element is typically located near the connector end, making it difficult to access and use tools like torque wrenches.

Innovation Solution

A plug connector design where the casing extends over the entire length and serves as the actuating element, allowing for rotary or linear movement to establish, release, and secure connections, with tool interfaces positioned away from the connector end, enabling easier tool-based or manual operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the actuating element is located near the connector end, then the connector structure is compact, but the space for tool placement or manual operation is limited

Engineering Contradiction:
Improveaccessibility of actuating elementVSAvoidconnector structure
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent relocates the actuating element from the traditional radial position at the connector end to the longitudinal dimension along the connector body. The actuating element extends parallel to the connector axis, allowing tool engagement at multiple positions along its length, thereby resolving the contradiction between compact structure and operational accessibility.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The actuating element is divided into multiple functional sections: a first portion for tool engagement (e.g., hexagonal interface), a second portion for manual gripping, and a third portion that interfaces with the locking mechanism. This segmentation allows different operations to be performed at different locations, improving ease of operation without excessive complexity.

Inventive Principle:
Principle #1Segmentation

2Ease of operation

If multiple connectors are arranged close together, then the system is compact, but it becomes difficult to connect and/or disconnect connectors

Engineering Contradiction:
Improveconnector connection accessibilityVSAvoidconnection speed
Core Design Contradiction:
Ease of operationVSProductivity

Solution Approach 1:

The extended actuating element serves as an intermediary that provides multiple engagement points along its length. This allows tools or hands to access and operate the connector even when adjacent connectors are in close proximity, as the operational interface extends into the space between connectors rather than being confined to the connector end.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

By extending the actuating element longitudinally along the connector body rather than positioning it radially at the end, the patent creates additional operational space in the longitudinal dimension. This allows connectors to be arranged more closely in radial directions while maintaining accessibility for connection operations.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Ease of operation

If the operating level is at the connector end, then the plug connection is established efficiently, but tool-based operation is difficult in confined areas

Engineering Contradiction:
Improvetool accessibilityVSAvoidconnection efficiency
Core Design Contradiction:
Ease of operationVSProductivity

Solution Approach 1:

The actuating element is designed with tool interfaces (e.g., hexagonal portions) positioned along its length before the final locking action occurs. This allows tools to be engaged and positioned in advance, and enables the operator to apply torque or force at optimal points during the connection sequence, maintaining efficiency while improving tool accessibility.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent shifts the operational interface from the radial dimension at the connector end to the longitudinal dimension along the connector body. This dimensional change allows tools to access the actuating element from directions that are more accessible in confined areas, while still enabling efficient plug connection establishment through the extended operational path.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Data Source

PatentEP4496135A1Connector with movable shroud
Publication Date: 2025.01.22 MURR ELEKTRONIK GMBH
  • EP4496135A1 patent drawingFigure 1~2
  • EP4496135A1 patent drawingFigure 3~4
  • EP4496135A1 patent drawing

AI summary

The invention relates to a connector (24) for forming a plug connection, comprising a shell (26) which is designed to extend at least approximately over the entire length of the connector (24) and to move relative to a contact carrier (28) of the connector (24), wherein the shell (26) has at least one opening (36) through which a connector cable (32) can be passed, which transitions into at least one contact (30) provided on the contact carrier (28).