Single-Waterway Valve Core With Integrated Water Stop Assembly
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Solution Overview
Problem
Existing wall mounted shower faucets face issues with water stop pads and springs falling out during bolt shaft replacement, leading to increased installation time and lost components due to the separation of bolt shafts and stainless steel water stop pieces.
Innovation Solution
A single waterway valve core structure featuring a valve housing, valve cover, temperature regulating valve rod with integrally formed water stop piece, hollow water stop pad, and elastic member, where the water stop piece is securely attached to the valve rod, and the valve cover is connected via snap buckles and positioning blocks, ensuring component integrity and ease of assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If bolt shafts with stainless steel water stop pieces are used to reduce costs, then manufacturing cost is reduced, but water stop pads and springs fall out during replacement leading to component loss and increased installation time
Solution Approach 1:
The patent combines the water stop piece, water stop pad, and spring into a single integrated assembly that is pre-mounted on the bolt shaft. This merging eliminates the need for separate installation of these components during faucet replacement, thereby reducing installation time and preventing component loss while maintaining the cost-effective stainless steel water stop piece design
2Ease of manufacture
If bolt shafts with stainless steel water stop pieces are used, then manufacturing cost is reduced, but water stop pads and springs fall out leading to component loss
Solution Approach 1:
The water stop piece, water stop pad, and spring are merged into a single integrated assembly that is pre-mounted on the bolt shaft. This ensures that all components remain together as one unit during installation and replacement operations, eliminating the reliability issue of components falling out while maintaining the cost benefits of stainless steel construction
3Ease of manufacture
If bolt shafts with stainless steel water stop pieces are used, then manufacturing cost is reduced, but separate installation of water stop pieces increases assembly complexity
Solution Approach 1:
The water stop piece, water stop pad, and spring are pre-assembled into a complete assembly during manufacturing before the faucet is installed. This preliminary action eliminates the need for separate installation steps during现场 assembly, reducing assembly complexity while maintaining the cost-effective stainless steel water stop piece design
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 design simplifies the assembly process by eliminating the need for separate water stop piece installation, reduces the risk of lost components, enhances water flow rate through aligned water passing holes, and facilitates quick and correct mounting of the valve cover.
Implementation Method 1
an elastic member, wherein the elastic member is used for pushing the hollow water stop pad towards a cavity wall of the water inlet cavity
Implementation Method 2
The temperature regulating valve rod is configured to rotate relative to the valve housing to enable the one or more water passing holes to be aligned or staggered with an inner cavity of the hollow water stop pad
Data Source
AI summary
A single waterway valve core structure comprises a valve housing, a valve cover, a temperature regulating valve rod, a water stop piece, and a hollow water stop pad. A bottom of the valve housing comprises a water inlet cavity, and a side wall of the valve housing comprises a water outlet. The water stop piece is integrally formed on a bottom end of the temperature regulating valve rod, and the bottom end of the temperature regulating valve rod comprises one or more water passing holes. A side wall of the temperature regulating valve rod comprises a side outlet hole in communication with the water outlet. The hollow water stop pad is disposed in the water inlet cavity, the temperature regulating valve rod is disposed in the valve housing, and the water stop piece contacts the hollow water stop pad.