Sanitary Fitting Insert Protrusion for Visual Hygiene Inspection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Fitting spout insert parts in hygienically sensitive areas, such as hospitals, tend to become dirty and require frequent replacement, necessitating regular hygiene checks that often require trained specialists and incur additional costs.
Innovation Solution
The insert part is dimensioned to be visible from a normal viewing position, allowing for easy visual inspection and replacement without the need for specialized tools, using a length that protrudes beyond the outlet mouthpiece and visible from at least 30° to 45°, with optional color coding for monitoring replacement intervals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If the insert part is made short and fully recessed in the outlet mouthpiece, then the aesthetic appearance and streamlined structure are improved, but the visual inspection capability and ease of monitoring replacement are worsened
Solution Approach 1:
The insert part is designed with different lengths in different regions: a first length portion that is recessed in the outlet mouthpiece for aesthetic purposes, and a second length portion that protrudes from the outlet mouthpiece for visual inspection. This local differentiation allows the same component to serve both aesthetic and functional inspection requirements simultaneously.
2Difficulty of detecting and measuring
If the insert part is made visible by protruding beyond the outlet mouthpiece, then the visual inspection capability is improved, but the aesthetic appearance and streamlined structure are worsened
Solution Approach 1:
The insert part is designed with different lengths in different regions: a first length portion that is recessed in the outlet mouthpiece for aesthetic purposes, and a second length portion that protrudes from the outlet mouthpiece for visual inspection. This local differentiation allows the same component to serve both aesthetic and functional inspection requirements simultaneously.
3Measurement precision
If trained specialists are deployed for hygiene checks, then the measurement precision and reliability of hygiene compliance are improved, but the device complexity and operational costs are worsened
Solution Approach 1:
The insert part is designed to be self-indicating through its visual features (color coding, protruding portion with markings) that allow anyone to verify hygiene compliance without requiring trained specialists. The system performs its own monitoring function by providing visually distinguishable indicators of replacement status, eliminating the need for expert inspection.
4Ease of operation
If the insert part is made visible with color coding, then the ease of monitoring replacement is improved, but the manufacturing complexity is worsened
Solution Approach 1:
The insert part incorporates color coding on the protruding second length portion to indicate replacement status or hygiene compliance. Different colors or color patterns can signify different replacement intervals or statuses, providing an intuitive visual system that is easy to manufacture using standard coloring processes while greatly simplifying monitoring operations.
Data Source
Figure 1~3
Figure 4~5
AI summary
A sanitary fitting assembly (5) comprises a sanitary fitting part (11) with a threaded portion (8) into which an outlet mouthpiece (2) is screwed, an insert (1) and a sealing ring (3) being inserted into the outlet mouthpiece (2). The axial length of the insert (1) is such that on the outflow end (10) a region (14) protrudes axially over the outlet mouthpiece (2). As a result, the protruding region (14) is visible from an observation position (12) at an angle (A) that is greater than 20°.