Rotatable Sanitary Adapter Locking Mechanism

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Solution Overview

Problem

Existing sanitary outlet devices are cumbersome in production and construction, and the handling of locking elements is difficult due to their complex design, making it hard to exchange adapters conveniently without tools.

Innovation Solution

A sanitary outlet device with a rotatable adapter that can be easily switched between a fixing and releasing position by rotating less than 270°, eliminating the need for tools and reducing contamination zones, featuring a non-circular contour for detent release and a sealing lip for hygienic sealing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a locking element guided movably in the ring-shaped gap is used to prevent inward spring deflection, then the adapter can be locked securely, but the handling becomes much more difficult and the device becomes cumbersome

Engineering Contradiction:
Improvelocking securityVSAvoidhandling convenience
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The locking element is extracted from the complex movable guidance in the ring-shaped gap and repositioned to be operable at the outflow-side end of the adapter, simplifying the handling while maintaining locking security through the same detent projection and groove mechanism

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

Instead of guiding the locking element movably within the ring-shaped gap between adapter and spring arms, the solution inverts the approach by allowing the locking element to be operated from the outflow-side end, reversing the operational interface while preserving the locking function

Inventive Principle:
Principle #13The other way round (Inversion)

2Adaptability or versatility

If multiple movably held components are used to achieve locking and releasing functions, then the adapter can be securely fixed and released, but the production and construction become relatively cumbersome

Engineering Contradiction:
Improvelocking and releasing functionalityVSAvoidproduction and construction complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The locking and releasing functions are merged into a single rotational operation of the adapter. The non-circular contour integrates the detent projection engagement and release mechanisms, eliminating the need for separate actuation steps and reducing the number of independently movable components

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The adapter serves multiple functions: it defines the flow path, provides locking through detent engagement, enables releasing through rotational operation, and ensures hygienic sealing through the sealing lip. This multi-functionality reduces the need for separate specialized components

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

3Device complexity

If the locking element is operable only at the outflow-side end of the adapter, then the locking mechanism can be simplified, but the handling difficulty increases significantly

Engineering Contradiction:
Improvelocking mechanism simplicityVSAvoidhandling ease
Core Design Contradiction:
Device complexityVSEase of operation

Solution Approach 1:

The adapter is given a non-circular contour with asymmetrical features including the detent projection position and the flattening region. This asymmetry enables the locking element to be operated at the outflow-side end while maintaining intuitive handling through the distinct geometric features that guide the rotational operation

Inventive Principle:
Principle #4Asymmetry

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

Enables convenient and tool-free adapter exchange, simplifies handling, and reduces contamination risks while maintaining a strong locking action, facilitating easy insertion and removal without additional actuation steps.

Implementation Method 1

the adapter has spring arms with externally situated detent projections which, in the fixing position, engage into an encircling detent groove on the sleeve inner circumference of the housing

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 2

featuring a non-circular contour for detent release and a sealing lip for hygienic sealing

Methodology Applied
Scientific EffectSealing:

Data Source

PatentUS11530532B2Sanitary outlet device and sanitary fitting
Publication Date: 2022.12.20 NEOPERL AG
  • US11530532B2 patent drawing
  • US11530532B2 patent drawing
  • US11530532B2 patent drawing

AI summary

In the case of a sanitary outlet device (1), it is provided that a jet former receptacle (3) be formed on a housing (2), in which jet former receptacle an adapter (4) is removably inserted and arranged so as to be rotatable about its axis of rotation (6), wherein the adapter (4) can be rotated between a fixing position, in which the adapter (4) is secured against removal, and a releasing position, in which the adapter (4) is removable (cf. FIG. 1).