Sanitary Valve Upper Part With Pivot Spindle Flow Sealing
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Solution Overview
Problem
Existing valve upper parts for sanitary fittings require complex structures and multiple components to control water flow, making them less efficient and more prone to operational issues.
Innovation Solution
A valve upper part design that enables flow control through simple pivoting of a spindle, utilizing a passage disk with multiple openings and an adjusting block, which allows for efficient water flow management with minimal displacement, and incorporates a seal and spring mechanism for robust and reliable operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional valve upper parts use multiple ceramic disks and complex sealing mechanisms, then flow control reliability is improved, but device complexity increases
Solution Approach 1:
The invention extracts and eliminates the complex multi-disk ceramic sealing mechanism from traditional valve designs. By using a single passage disk with through-openings instead of multiple sliding ceramic disks, the design achieves flow control with significantly reduced structural complexity while maintaining reliability through the simple pivot action of the spindle.
Solution Approach 2:
Instead of using multiple disks sliding against each other to control flow, the invention inverts the approach by using a single disk with pre-formed through-openings that are selectively blocked by the spindle's pivot movement. This inversion simplifies the mechanism from multiple moving parts to a single pivot action.
2Measurement precision
If traditional designs use multiple sliding ceramic disks, then flow control precision is improved, but ease of operation deteriorates due to higher friction
Solution Approach 1:
The invention replaces the mechanical sliding friction system of traditional ceramic disks with a pivot-based blocking mechanism. The spindle pivots to align its body with or across the through-openings, eliminating sliding friction and making operation easier while maintaining precise flow control through the geometric alignment of the pivot axis with the opening positions.
3Ease of operation
If the spindle is designed to pivot with minimal displacement, then ease of operation is improved, but the ability to effectively close openings may deteriorate
Solution Approach 1:
The invention applies local quality by designing the spindle with specific geometric features at critical locations. The spindle body's shape and position relative to the through-openings are locally optimized to ensure that minimal pivot displacement is sufficient to create effective blocking. The local geometry of the spindle at the opening interface ensures reliable sealing without requiring large movements.
4Device complexity
If a simple pivot mechanism is used, then device complexity is reduced, but sealing reliability may worsen
Solution Approach 1:
The invention implements self-service through the self-centering and self-sealing properties of the pivot mechanism. The spindle's rotation about a fixed axis automatically ensures proper alignment with the through-openings, and the geometry of the spindle body and passage disk opening creates automatic sealing contact without requiring additional sealing components or complex adjustment mechanisms.
Data Source
AI summary
A valve upper part for insertion into a sanitary fitting includes a head piece in which a spindle is pivotably mounted, the first end of the spindle projecting from the head piece and the second end thereof engaging via a pin with a control element which is in contact with a stationary passage disc, wherein the passage disc has at least two passage openings and wherein the control element is designed as an adjusting block which is dimensioned such that it can be used to seal at least one passage opening.