Connecting Hose Holding Lip for Low-Resistance Water Flow
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Solution Overview
Problem
Existing water-conducting arrangements in sanitary fittings often require hidden fluidic connections, leading to complex production and potential flow resistance issues, especially in tight spaces and under varying operating pressures.
Innovation Solution
Integrally molding a holding lip on the connecting hose end to engage with a hose receptacle, eliminating the need for a hose stem and allowing for increased internal cross-section while maintaining external dimensions, with features like ties, grooves, and sealing faces to secure the connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a hose stem is used on the connecting hose, then the fluidic connection can be made to the functional unit, but the internal cross section is reduced and production becomes more complex
Solution Approach 1:
The invention extracts and eliminates the hose stem component from the connecting hose assembly. By removing this intermediate component, the patent achieves both simpler production (no separate hose stem to manufacture and assemble) and maximized internal cross section (the full hose bore is available for water flow without the hose stem occupying space). The holding lip integrated directly onto the hose end provides the necessary suspension function without requiring a hose stem.
2Ease of manufacture
If the fluidic connection is hidden in the sanitary fitting, then the aesthetic appearance is improved, but the production complexity increases and access for maintenance becomes difficult
Solution Approach 1:
The holding lip is designed to be self-forming through thermoplastic forming during the hose manufacturing process itself. The hose end is heated and molded to create the holding lip structure that will engage with the hose receptacle. This self-service approach eliminates the need for separate manufacturing steps or complex assembly operations, reducing production complexity while maintaining the ability to easily install and maintain the connection.
3Ease of manufacture
If the connecting hose is made from thermoplastics material, then the holding lip can be easily shaped by thermoplastic forming, but the dimensional stability may be compromised when heated with flowing hot water
Solution Approach 1:
The patent anticipates the dimensional stability issue that arises when thermoplastics hoses are exposed to hot water. By beforehand configuring the holding lip with a radially acting tie (groove or rib) that engages with a corresponding feature on the hose receptacle, the design pre-compensates for potential thermal deformation. The form-fit connection created by the tie and groove engagement prevents the holding lip from unintentionally releasing or becoming misaligned even when the thermoplastics material expands or deforms due to heating from flowing hot water.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Simplifies production, reduces flow resistance, and enhances stability under varying pressures, particularly in tight spaces and high-pressure conditions, while maintaining durable tightness and sealing.
Implementation Method 1
the holding lip is configured by thermoplastic forming
Implementation Method 2
a form-fit between the holding lip and the hose receptacle can be established using simple means. The hose receptacle can be provided with a corresponding shape, in particular on a bearing face
Implementation Method 3
the holding lip is pressed against a bearing face on the hose receptacle. It can be prevented in this way that the holding lip slips out
Data Source
AI summary
In a water-conducting arrangement (1), a holding lip (7) is integrally molded on an end (6) of the connecting hose (4), with the holding lip (7) engaging behind a hose receptacle (12) in order for the connecting hose (4) to be suspended.