Lever Connector Grip Mechanism for Barrier-Blocked Access

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Solution Overview

Problem

Lever-type connectors are difficult to remove from connection positions when placed behind barriers due to limited access, making it challenging for operators to rotate the lever for disengagement.

Innovation Solution

A gripping component is pivotally mounted on the lever, allowing easy gripping and control of the lever even in restricted spaces, featuring a U-shape with gripping flaps and a locking element for secure assembly and disassembly, and is designed to be accessible from the sides or rear, facilitating operation behind barriers.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the lever-type connector uses a traditional lever design, then the connection securing mechanism is simple, but the connector becomes difficult to access and operate when placed behind barriers

Engineering Contradiction:
ImproveAccessibility of lever for connection/disconnectionVSAvoidStructure of connector
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The gripping component acts as an intermediary element between the operator's hand and the lever. It is pivotally mounted on the lever and extends outward to provide a convenient gripping surface, allowing operators to easily access and manipulate the lever even when the connector is positioned behind barriers or in hard-to-reach locations.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The gripping component changes the interaction dimension by extending outward from the lever in a direction accessible to operators. This dimensional extension allows the operator to grip the component from the front or side rather than requiring direct access to the lever mechanism itself, effectively solving the accessibility problem through spatial reconfiguration.

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

2Adaptability or versatility

If the lever-type connector is placed behind barriers for spatial arrangement, then the layout is optimized, but the lever becomes unreachable for disengagement

Engineering Contradiction:
ImprovePlacement flexibility of connectorVSAvoidAccessibility of lever
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The gripping component serves as a mediator that bridges the gap between the operator and the lever when the connector is positioned behind barriers. By extending the gripping surface outward, it allows operators to reach and manipulate the lever mechanism without requiring direct access to the lever itself, thus maintaining operational ease while preserving placement flexibility.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Ease of operation

If the gripping component is added to the lever, then the ease of gripping is improved, but the device complexity increases

Engineering Contradiction:
ImproveGrippability of connectorVSAvoidNumber of components
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The gripping component is pivotally mounted on the lever rather than being rigidly fixed, allowing it to move dynamically with the lever during connection and disconnection operations. This dynamic mounting reduces the need for additional complex mechanisms while still providing the gripping function, as the pivotal connection automatically follows the lever's motion.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The gripping component and lever are combined into a single integrated assembly where the gripping component is mounted directly on the lever. This merging reduces the need for separate control mechanisms and simplifies the overall structure, as operating the gripping component directly operates the lever through their mechanical connection.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS20240305043A1Lever-Type Connector
Publication Date: 2024.09.12 TE CONNECTIVITY ITAL DISTRIBUTION SRL
  • US20240305043A1 patent drawing
  • US20240305043A1 patent drawing
  • US20240305043A1 patent drawing

AI summary

The present invention refers to a lever-type connector comprising a connector and a lever pivotally mounted on the connector and configured to secure a connection between the connector and a mating connector, wherein the lever-type connector further comprises a gripping component configured to be gripped by an operator. The gripping component is pivotally mounted on an external part of the lever facing the operator, in such a way that a movement of the gripping component automatically induces a movement of the lever.