Bayonet Spray Head Assembly for Interchangeable Spray Profiles

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Solution Overview

Problem

Existing spray head devices lack flexibility in quickly and easily switching between different spray profiles or types, limiting their adaptability to various applications.

Innovation Solution

A spray head device with a bayonet lock mechanism allowing for quick and reliable assembly and disassembly, featuring interchangeable sleeve elements and capsule units that can be easily inserted or replaced, enabling adjustment of foam formation and jet profiles.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a traditional spray head device is used, then the structure is simple, but the flexibility to switch between different spray profiles is poor

Engineering Contradiction:
Improveflexibility to switch between spray profilesVSAvoidstructure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The spray head device is divided into multiple separable components: a first sleeve element, a second sleeve element, and interchangeable capsule units. This segmentation allows users to quickly swap between different spray profiles by replacing only the capsule unit, without changing the entire spray head structure, thus improving flexibility while maintaining manageable complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The spray head device is designed with a universal interface (bayonet lock mechanism) that accommodates multiple types of capsule units with different spray profiles. The first and second sleeve elements form a standardized cavity that can receive various manipulation devices, enabling one spray head structure to perform multiple spray functions through component interchangeability.

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

2Productivity

If a bayonet lock mechanism is introduced for quick assembly, then the assembly speed is improved, but the device complexity increases

Engineering Contradiction:
Improveassembly speedVSAvoidmechanism complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The bayonet lock mechanism is implemented as a separate, modular connection system between the first and second sleeve elements. This segmented approach allows the locking mechanism to be integrated without redesigning the entire spray head structure, enabling quick assembly while keeping the overall device complexity manageable through modular design.

Inventive Principle:
Principle #1Segmentation

3Adaptability or versatility

If interchangeable capsule units are provided, then the adaptability is improved, but the device complexity increases

Engineering Contradiction:
Improveinterchangeability of manipulation devicesVSAvoidcomponent variety
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

A universal receptacle design is implemented in the first sleeve element that can accommodate multiple types of capsule units with different spray profiles. The standardized interface and form-fitting connection allow various manipulation devices to be interchanged without requiring different receptacle structures, thus improving adaptability while controlling complexity through standardization.

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

4Ease of operation

If a cavity is designed to accommodate manipulation devices, then the ease of replacement is improved, but the device complexity increases

Engineering Contradiction:
Improveease of capsule unit replacementVSAvoidstructural complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The cavity is designed as a distinct, separable space formed by the first and second sleeve elements, with the bayonet lock mechanism providing independent access control. This segmented design allows the cavity to be opened and closed as a unified access point, simplifying the replacement operation while maintaining a manageable overall structure through modular component organization.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP3666397B1Spray head device, sprayer and kit
Publication Date: 2023.04.12 KLAGER PLASTIK
  • EP3666397B1 patent drawingFigure 1
  • EP3666397B1 patent drawingFigure 2
  • EP3666397B1 patent drawingFigure 3

AI summary

Spray head assembly (1) for mounting on an atomizer (60), in particular for reversible mounting on an atomizer (60), comprising a first sleeve element (11) and a second sleeve element (12), wherein the first sleeve element (11) and the second sleeve element (12) form a cavity (80) in a combined state, wherein a manipulation device for manipulating a medium exiting the spray head assembly (1) can be arranged in the cavity (80), wherein the first sleeve element (11) and the second sleeve element (12) can be connected to each other via a bayonet fitting to form the combined state.