Two-Part Housing for Sanitary Fittings Reduces Assembly Effort

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Solution Overview

Problem

Existing flush-mounted installation bodies for sanitary fittings have complex structures, leading to high installation costs and increased assembly effort.

Innovation Solution

A concealed installation body design featuring a housing with a lower and upper shell that can be easily connected, along with a connection body with specific sealing mechanisms and configurations for water connections, allowing for secure and efficient assembly with reduced effort.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a complex structure is used for the flush-mounted installation body, then reliability and functionality are improved, but device complexity and installation costs increase

Engineering Contradiction:
Improvefunctional performanceVSAvoidstructural complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The housing is divided into a first housing part and a second housing part that can be connected to each other. The connection body is separated from the housing, allowing independent manufacturing and assembly. This segmentation simplifies the manufacturing process while maintaining the functional integrity of the installation body.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The connection body is integrated into the receiving space of the housing, combining multiple functional elements (housing structure, connection interface, and functional unit mounting) into a unified assembly. This merging reduces the number of separate components while preserving reliability.

Inventive Principle:
Principle #5Merging (Combining)

2Adaptability or versatility

If a complex structure is used for the flush-mounted installation body, then functionality is improved, but assembly effort and installation costs increase

Engineering Contradiction:
Improvefunctional capabilityVSAvoidassembly effort
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The housing is divided into a first housing part and a second housing part that can be connected to each other. The connection body is separated from the housing, allowing independent manufacturing and assembly. This segmentation simplifies the manufacturing process while maintaining the functional integrity of the installation body.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The connection body is pre-formed as a separate component with integrated connection elements, allowing it to be independently manufactured and then easily integrated into the housing assembly. This preliminary preparation of components reduces assembly complexity and effort.

Inventive Principle:
Principle #10Preliminary action

3Stability of the object's composition

If traditional single-piece housing design is used, then structural integrity is maintained, but manufacturing complexity and assembly effort increase

Engineering Contradiction:
Improvestructural integrityVSAvoidproduction complexity
Core Design Contradiction:
Stability of the object's compositionVSEase of manufacture

Solution Approach 1:

The housing is divided into a first housing part and a second housing part that can be connected to each other. The connection body is separated from the housing, allowing independent manufacturing and assembly. This segmentation simplifies the manufacturing process while maintaining the functional integrity of the installation body.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The connection body is positioned within the receiving space formed by the housing parts, creating a nested arrangement where the connection body is enclosed by the housing structure. This nesting maintains structural integrity while allowing separate manufacturing of components.

Inventive Principle:
Principle #7Nested doll (Nesting)

Data Source

PatentEP3568531B1Buried installation body for a sanitary fitting, having a two-part housing
Publication Date: 2020.08.26 GROHE AG
  • EP3568531B1 patent drawingFigure 1
  • EP3568531B1 patent drawingFigure 2~3

AI summary

The invention relates to a buried installation body (1) for a sanitary fitting, at least comprising: a) a housing (2) with a receiving space (3) for a functional unit, wherein the housing (2) has a lower shell (4) and an upper shell (5) which are connectable to each other, and b) a connection body (6) having at least a first connection (7) for a supply line and at least a second connection (8) for a discharge line, wherein the connection body (6) is at least partially arranged in the receiving space (3) of the housing (2), and wherein the connection body (3) can be fastened by the connection of the lower shell (4) with the upper shell (5) in said receiving space (3).