Valve Core Segmented Flow Channels for Water Purification

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Solution Overview

Problem

Conventional valve cores experience leakage issues when connecting to water purification devices due to back pressure and water pressure, leading to unnecessary expenses and reduced service life, especially when installed under sinks.

Innovation Solution

A novel valve core design featuring a unique flow channel structure between the base, fixed valve plate, and movable valve plate, with strategically positioned inlet and outlet channels and a manipulation assembly that ensures liquid tightness and prevents mixing of purified and raw water, allowing for efficient water output and prolonged device lifespan.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a conventional valve core flow channel design is used to connect to a water purification device, then the device can be installed, but back pressure and water pressure cause leakage and reduce service life

Engineering Contradiction:
Improveleakage preventionVSAvoidservice life of water purification device
Core Design Contradiction:
ReliabilityVSDuration of action of stationary object

Solution Approach 1:

The valve core flow channel is divided into separate segments: a first flow channel for raw water and a second flow channel for purified water. This segmentation prevents pressure interference between the two water streams and eliminates leakage issues at the connection point with the water purification device.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The valve core structure acts as an intermediary component with a specifically designed flow channel that mediates between the water supply and the water purification device. The flow channel includes a bypass passage that allows pressure equalization and prevents back pressure from reaching the purification device connection.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If the valve core closes the flow channel, then water flow is stopped, but purified water and raw water mix due to pressure differences

Engineering Contradiction:
Improvewater quality separationVSAvoidmixing of purified and raw water
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The flow channel is segmented into distinct pathways: one for raw water and one for purified water. The movable valve plate can independently control each pathway, ensuring that when closed, the two water types remain completely separated and cannot mix due to pressure differences.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Instead of having a single mixed flow channel that is closed, the design uses separate flow channels that can be independently controlled. The valve structure inverts the conventional approach by providing dedicated pathways for each water type, preventing mixing through structural separation rather than relying on closure timing.

Inventive Principle:
Principle #13The other way round (Inversion)

3Adaptability or versatility

If the water outlet channel is positioned at the top of the base, then installation is simple, but it cannot accommodate special style water output structures

Engineering Contradiction:
Improvecompatibility with special style water output structureVSAvoidflow channel structure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The water outlet channel is repositioned from the top surface to the side wall of the base, utilizing a different spatial dimension. This dimensional change allows the valve core to accommodate special style water output structures while maintaining a relatively simple overall design.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The flow channel structure is optimized locally at the base outlet position to provide adaptability for special connections. The side wall outlet configuration provides a specific local quality that enables compatibility with various water output structures without requiring complex redesign of the entire valve core.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS10487953B2Valve core
Publication Date: 2019.11.26 KUCHING INT
  • US10487953B2 patent drawing
  • US10487953B2 patent drawing
  • US10487953B2 patent drawing

AI summary

A valve core has a housing which is a hollow cylindrical structure with both ends defined as an open end and a through end respectively; a base mounted on the housing to close the open end of the housing; a fixed valve plate mounted on the base in a liquid tight mode and unable to rotate relative to the base; a movable valve plate which is rotationally arranged on the fixed valve plate in a liquid tight mode; a manipulation assembly, one end of which is configured on the movable valve plate to manipulate the movable valve plate to rotate relative to the fixed valve plate, and the other end of which is extended to penetrate the through end of the housing.