Pre-Tensioned Diverter Valve Spindle for Flush-Mount Alignment
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Solution Overview
Problem
Flush-mounted installation bodies for sanitary fittings, such as shower systems, face challenges in maintaining a uniform external appearance due to varying installation depths, which can lead to gaps and aesthetic issues between operating knobs and decorative panels, and may experience misalignment and stress on actuating components.
Innovation Solution
A method involving a diverter valve with a prestressed spindle that is cut to length to ensure a defined protrusion from the wall, using an elastic element like a spring for actuation and a cutting template to maintain consistent spacing, ensuring uniform appearance and precise assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If flush-mounted installation bodies are installed at different depths in the wall, then the installation can accommodate varying wall thicknesses and installation conditions, but the operating buttons, push buttons, or rotary handles protrude from the wall to varying degrees resulting in an inconsistent appearance
Solution Approach 1:
The spindle length is varied as a parameter to compensate for different installation depths. By adjusting the spindle length, the operating buttons are positioned at a consistent distance from the wall surface regardless of the installation body's depth, maintaining uniform appearance while adapting to varying installation conditions
Solution Approach 2:
The appropriate spindle length is determined and prepared before installation. The spindle is pre-cut to the required length based on the installation depth, ensuring that the operating buttons will protrude uniformly from the wall once installed, thus preventing appearance inconsistencies before they occur
2Ease of operation
If the flush-mounted installation bodies are not installed precisely, then installation flexibility is maintained, but impact forces or bending moments are transferred from the operating buttons, push buttons, or rotary handles to the diverter valve leading to gaps between components
Solution Approach 1:
The spindle acts as an intermediary element between the installation body and the operating buttons. By precisely controlling the spindle length, it mediates the connection to ensure proper alignment and positioning, preventing gaps and misalignment even when installation precision varies
Solution Approach 2:
The spindle is pre-cut to the exact required length before installation. This preliminary action ensures that when the operating buttons are attached to the spindle, they will be positioned at the correct distance from the wall and properly aligned with the installation body, preventing gaps and bending moments
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
This approach guarantees a uniform external appearance and precise assembly of components, preventing gaps and ensuring consistent operation by adjusting the spindle's length based on installation depth, thus enhancing the aesthetic and functional integrity of flush-mounted installation bodies.
Implementation Method 1
The spindle (6) is pre-tensioned by an elastic element (8), acting like a spring, so that after the spindle (6) has been cut to length, it is moved out of the diverter valve housing (2) by a travel distance (7)
Data Source
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AI summary
A diverter valve (1) for a sanitary fitting, comprising at least: - a diverter valve housing (2); - a valve body (3) for the controlled supply of a liquid to at least two diverter valve outlets (4, 5); and - a spindle (6) for actuating the valve body (3), wherein the spindle (6) is pre-tensioned so that, after the spindle (6) is cut to length, it is moved out of the diverter valve housing (2) by a defined travel distance (7). Furthermore, a concealed installation body (13) with a corresponding diverter valve (1) and a method for mounting a corresponding concealed installation body (13) are proposed.