One-Piece Faucet Valve Stem with Flexible Hook for Spring Security
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Solution Overview
Problem
Conventional faucet control valves with built-in springs face safety concerns and high maintenance costs due to easy spring displacement during disassembly, and complex, costly manufacturing processes from separate components.
Innovation Solution
A one-piece valve stem with a flexible hooking portion and integrated design for the faucet control valve, allowing for simplified assembly and reduced manufacturing costs through ejection molding without screw holes, enhancing structural strength and ease of assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a separate pressing member and valve stem are assembled with screw holes, then the spring can be secured, but the manufacturing cost increases and the structure becomes complex
Solution Approach 1:
The pressing member and valve stem are merged into a single integrated control member that is molded as one piece. This eliminates the need for separate components and assembly operations while maintaining the spring securing function through the integrated design of the pressing portion and valve stem portion.
Solution Approach 2:
The integrated control member serves multiple functions: it acts as both the pressing member that compresses the spring and the valve stem that controls water flow. This multi-functionality reduces the number of parts needed while achieving the same technical效果.
2Reliability
If a separate pressing member and valve stem are assembled with screw holes, then the spring can be secured, but the manufacturing cost increases
Solution Approach 1:
The pressing member and valve stem are merged into a single integrated control member that is molded as one piece. This eliminates the need for separate components and assembly operations while maintaining the spring securing function through the integrated design of the pressing portion and valve stem portion.
3Ease of repair
If the control valve is disassembled for maintenance, then the spring can be accessed, but the spring may pop out causing safety concerns and loss
Solution Approach 1:
The control member is designed with a flexible hooking portion that can dynamically engage with the valve seat during assembly and disassembly operations. This flexible engagement mechanism allows the control member to be easily removed for maintenance while preventing the spring from popping out, as the hooking portion maintains connection with the valve seat structure throughout the maintenance process.
4Manufacturing precision
If separate molding is required for pressing member and valve stem, then each component can be optimized, but the manufacturing time and complexity increase
Solution Approach 1:
The pressing member and valve stem are merged into a single integrated control member that is molded as one piece. This eliminates the need for separate components and assembly operations while maintaining the spring securing function through the integrated design of the pressing portion and valve stem portion.
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
The one-piece valve stem design simplifies assembly and maintenance, reduces manufacturing costs, and enhances structural strength, addressing safety and cost issues while facilitating quick and efficient disassembly and reassembly of the control valve.
Implementation Method 1
a spring (25) placed into the assembly groove (23)
Data Source
AI summary
An improved faucet control valve has a valve seat, a spring, a one-piece valve stem, an expanded end, a flexible hooking portion and a control unit. The one-piece valve stem manufactured integrally enables to realize convenient manufacturing, cost reduction and structural simplification of control members. The one-piece valve stem is only required to penetrate the valve port of the valve seat from top to bottom, enabling engagement of the flexible hooking portion for simple and fast assembly.