Universal Conduit Stop for Welding Torch Compatibility

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Solution Overview

Problem

The existing conduit systems for arc welding torches, such as GMAW or MIG welding, require multiple conduit types due to different manufacturer-specific plug geometries, leading to economic inefficiencies for distributors and limitations for end-users who need to accommodate various welding gun designs.

Innovation Solution

A universal conduit assembly featuring a conduit liner, a conduit tip with a chamfered bore, and an interchangeable conduit stop that resembles conventional OEM connectors, allowing for connection to specific OEM power connectors, thus providing compatibility across different welding gun designs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conduit systems use manufacturer-specific plug geometries to ensure compatibility with specific welding guns, then connection reliability is improved, but device complexity and inventory requirements increase

Engineering Contradiction:
Improveconnection reliabilityVSAvoidconduit variety
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent applies universality by designing a conduit connector with a universal power plug geometry that can interface with multiple different welding gun designs. Instead of creating separate conduit variants for each manufacturer's specific plug geometry, the invention uses a single universal connector design that accommodates various gun types, thereby reducing conduit variety while maintaining connection reliability across different equipment

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

Solution Approach 2:

The universal conduit connector acts as an intermediary component between the conduit system and various welding guns with different plug geometries. By introducing this standardized intermediate interface, the system enables compatibility across different manufacturers without requiring custom conduit designs for each gun type, thus simplifying the overall system complexity

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If distributors stock multiple conduit types for different welding guns, then adaptability to various gun designs is improved, but inventory cost and complexity increase

Engineering Contradiction:
Improvegun design compatibilityVSAvoidconduit inventory
Core Design Contradiction:
Adaptability or versatilityVSQuantity of substance

Solution Approach 1:

The universal conduit connector enables a single conduit type to serve multiple welding gun designs from different manufacturers. This multi-functionality allows distributors to stock only one type of conduit instead of maintaining separate inventory for each gun model, significantly reducing conduit inventory requirements while preserving adaptability to various equipment

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

3Adaptability or versatility

If end-users purchase multiple conduit types to service various welding guns, then equipment versatility is improved, but cost and storage requirements increase

Engineering Contradiction:
Improveequipment compatibilityVSAvoiduser burden
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The universal conduit connector design allows end-users to use a single conduit type with multiple welding guns from different manufacturers. This eliminates the need for users to purchase and store multiple conduit variants, reducing both cost and storage requirements while maintaining the ability to service various equipment

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

Data Source

PatentEP2804714B1Universal conduit assembly for a welding torch
Publication Date: 2020.06.10 VICTOR EQUIP
  • EP2804714B1 patent drawingFigure 1
  • EP2804714B1 patent drawingFigure 2A~2B
  • EP2804714B1 patent drawingFigure 3A~4

AI summary

A universal conduit assembly (60) for a welding torch is provided that includes a conduit liner (40) defining a proximal end portion and a distal end portion, a conduit tip (10) secured to the proximal end portion of the conduit liner (40), and an interchangeable conduit stop (65) removably secured to the conduit tip. The interchangeable conduit stop (65) is adapted for connection to a specific OEM (Original Equipment Manufacturer) power connector.