Sanitary Fitting Pivotable Hose Adapter Assembly

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Solution Overview

Problem

Existing sanitary fittings with single-lever mixing cartridges face challenges in efficiently routing and connecting hoses due to direct contact with metallic surfaces and complex assembly processes, particularly when integrating with commercially available cartridges.

Innovation Solution

A sanitary built-in part with a pivotably attached connecting piece and an adapter piece featuring askew connecting passages allows for easy assembly and adaptation to different cartridges, enabling the routing of hoses while maintaining a secure and sealed connection, and incorporating a flexible connecting hose for improved mobility and installation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a single-lever mixing cartridge is integrated into a sanitary fitting, then the mixing function is improved, but the assembly complexity and hose routing difficulty increase

Engineering Contradiction:
Improvemixing functionVSAvoidassembly complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The connecting piece is divided into multiple functional sections: a base plate mounting section, a pivoting connection section for the cartridge, and a hose connection section. This segmentation allows each part to be optimized independently while simplifying the overall assembly process.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The connecting piece acts as an intermediary component between the cartridge and the hose assembly. It mediates the connection by providing a pivoting mechanism that accommodates hose routing while maintaining secure cartridge attachment, thereby reducing overall assembly complexity.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Strength

If hoses are routed through a metallic sanitary fitting, then the structural integrity is maintained, but direct contact between water and metallic surfaces causes contamination

Engineering Contradiction:
Improvestructural integrityVSAvoidwater contamination
Core Design Contradiction:
StrengthVSObject-affected harmful factors

Solution Approach 1:

The connecting piece serves as an intermediary barrier between the metallic fitting body and the water-carrying hoses. It provides sealed connection points that prevent direct contact between water and metallic surfaces, thereby eliminating contamination risks while maintaining the structural integrity of the metallic fitting.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Stability of the object's composition

If a fixed connecting piece is used, then the assembly is stable, but the hose routing flexibility is reduced

Engineering Contradiction:
Improveassembly stabilityVSAvoidhose routing flexibility
Core Design Contradiction:
Stability of the object's compositionVSAdaptability or versatility

Solution Approach 1:

The connecting piece incorporates a pivoting mechanism that allows it to rotate relative to the base plate. This dynamic capability enables the connecting piece to adapt to different hose routing requirements while maintaining a stable and secure connection to the cartridge, thus providing both stability and flexibility.

Inventive Principle:
Principle #15Dynamics

4Manufacturing precision

If custom adapter pieces are manufactured for each cartridge type, then the connection precision is improved, but the manufacturing cost increases

Engineering Contradiction:
Improveconnection precisionVSAvoidmanufacturing cost
Core Design Contradiction:
Manufacturing precisionVSEase of manufacture

Solution Approach 1:

The connecting piece is designed as a universal component that can accommodate multiple cartridge types through its standardized mounting interface and pivoting mechanism. This multi-functionality eliminates the need to manufacture custom adapter pieces for each cartridge type, thereby reducing manufacturing costs while maintaining adequate connection precision through its adaptable design.

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

Data Source

PatentEP2957681B1Sanitary fitting with internal hose assembly
Publication Date: 2020.06.24 NEOPERL GMBH
  • EP2957681B1 patent drawingFigure 1
  • EP2957681B1 patent drawingFigure 2~3
  • EP2957681B1 patent drawingFigure 4

AI summary

In the case of a sanitary installation part (8) with a connecting means (14) for connection to a single-lever mixing cartridge (15), it is proposed to arrange a pivotable connecting piece (16) with a hose connection (20) on a base plate (9), wherein the base plate (9) has receptacles (10, 12) for a cold water hose end piece (11) and a hot water end piece (13) (Fig. 4).