Water Control Valve Pull Mechanism for Easier Flow Shutoff
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Solution Overview
Problem
Conventional water control valves lack ease of operation and handiness in controlling fluid flow, particularly in terms of on/off functionality, as they often require complex mechanisms that are not user-friendly.
Innovation Solution
A water control valve design incorporating a press structure with a positioning element, press cap, follower, and a pulling structure featuring a first shaft lever, connecting rod, swing piece, pivot, and spring, which allows for lateral sliding of the movable valve plate to regulate fluid flow, enhancing handiness and control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional press structure is used to control the valve, then the valve can control fluid flow on/off, but the operation is complex and not user-friendly
Solution Approach 1:
The patent inverts the conventional press-type operation by implementing a pull-type mechanism. Instead of pressing the valve handle forward to open and pushing back to close, the user pulls the handle laterally to open the valve and releases it to close automatically. This inversion simplifies the operation to a single intuitive motion while maintaining the on/off control function.
Solution Approach 2:
The valve incorporates a spring-loaded mechanism where the spring automatically returns the movable valve plate to its initial position (closing the valve) after the user releases the handle. This self-service feature eliminates the need for a complex return mechanism, reducing device complexity while ensuring reliable on/off control.
2Ease of operation
If a pull-type mechanism is implemented, then the ease of operation is improved, but the structural complexity increases
Solution Approach 1:
The valve is divided into distinct functional modules: a pull-type operating mechanism, a movable valve plate, a spring return system, and a valve body. This segmentation allows each component to perform its specific function efficiently, reducing overall structural complexity while enabling the simplified pull operation.
Solution Approach 2:
The valve handle and movable valve plate are designed to move laterally rather than linearly, creating a dynamic pulling motion that is more intuitive for users. The spring provides dynamic automatic return, replacing complex mechanical return mechanisms and reducing overall structural complexity.
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 design improves the ease of operation by allowing for smooth and efficient control of fluid flow through the valve, making it easier to open or close the flow channel, thereby enhancing user experience and reliability.
Implementation Method 1
the first shaft lever is axially put in the spring, both ends of the spring prop the support plate and the follower respectively
Implementation Method 2
the first shaft lever is axially put in the spring, both ends of the spring prop the support plate and the follower respectively
Implementation Method 3
The pivot laterally penetrates the swing piece, and the first hinge arm, the second hinge arm and the pivot are parallel
Data Source
AI summary
A water control valve has a valve casing, a valve seat, a fixed valve plate, a movable valve plate, a driving piece, a press structure and a pulling structure, wherein the valve seat is assembled on one end of the valve casing. The fixed valve plate, movable valve plate and driving piece are disposed in the valve casing. A flow channel for the fluid is formed among the valve seat, the fixed valve plate and the movable valve plate. The driving piece is in contact with the movable valve plate. The pulling structure has a first shaft lever and a swing piece. The press structure pulls the first shaft lever the move axially. The first shaft lever pulls the swing piece to rotate, so that the driving piece drives the movable valve plate to slide laterally, the handiness of flow control or the on/off of the flow channel is enhanced.