Faucet Valve Seat Sleeve Structure for Variable Outlet Angles
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Solution Overview
Problem
Conventional faucet designs require multiple valve seats with different elevation angles to accommodate various outlet pipe orientations, leading to reduced watertightness and increased production complexity due to the inflexible positioning of the outlet pipe relative to the valve seat.
Innovation Solution
A valve seat with internal flow paths and a sleeve hole that allows a sleeve pipe to be inserted with a specific angle, enabling the use of a single valve seat specification to accommodate various outlet pipe angles by using a sleeve pipe with corresponding angles, ensuring watertightness and ease of maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple valve seats with different elevation angles are prepared to meet diversified outlet pipe angle needs, then the adaptability to various outlet pipe orientations is improved, but the device complexity and production complexity increase
Solution Approach 1:
The patent applies universality by designing a single standardized valve seat that can accommodate multiple outlet pipe angles through the interchangeable sleeve pipe component. The sleeve pipe acts as a universal adapter that provides different elevation angles (e.g., 0°, 15°, 30°, 45°) while the valve seat structure remains unchanged, eliminating the need to produce multiple specialized valve seats for different angle requirements.
2Adaptability or versatility
If the outlet pipe is made flexible to change angle position without changing the valve seat, then the adaptability is improved, but the watertightness and leakage stoppage effect deteriorate due to external force and deformation
Solution Approach 1:
The patent introduces the sleeve pipe as an intermediary component between the rigid valve seat and the flexible outlet pipe. This mediator maintains the watertight connection at the valve seat interface while allowing the outlet pipe to flex and change angles downstream. The sleeve pipe with its threaded connection and sealing structure ensures that the flexibility of the outlet pipe does not compromise the sealing integrity at the valve seat.
3Productivity
If a single valve seat specification is used to accommodate various outlet pipe angles, then the production efficiency is improved, but the ability to maintain precise angle positioning may deteriorate
Solution Approach 1:
The patent segments the angle positioning function from the valve seat body by introducing the separate sleeve pipe component. The valve seat maintains a standardized, simple structure for efficient production, while the sleeve pipe provides the precise angle positioning through its specific geometric design and threaded connection mechanism. This segmentation allows the valve seat to be mass-produced with high precision, while the sleeve pipe handles the angle variation requirements.
Data Source
AI summary
An outlet structure of a faucet valve seat, has a valve seat and a sleeve pipe, wherein the valve seat forms a sleeve hole, the sleeve pipe is used to set an outlet pipe, and the sleeve pipe is sleeved in the sleeve hole. The sleeve pipe penetrates through a plug hole, and one end of the outlet pipe is inserted into the plug hole, such that a long axis is parallel to the central axis of the valve core, and a central axis of the plug hole forms an included angle with the long axis as θ. The valve seat can be selected by the sleeve pipe with the corresponding angle of the plug hole according to the needs of the outlet pipe, and meet the diversified demand of the outlet pipe elevation angle.