Eccentric Float Valve Body for Adjustable Flush Tank Control
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Solution Overview
Problem
Existing flushing devices for flush tanks are complex, costly, and require multiple components tailored to specific tank dimensions, leading to operational inefficiencies and reliability issues, especially when conditions differ from the design parameters.
Innovation Solution
A simplified flushing device with a support structure, a valve body, a float, a supplementary ballast tank, and an actuating system that allows for adjustable water flow and independent operation, featuring a one-way valve and adjustable components for precise control of water quantity and speed in both complete and partial flush modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple components are used to tailor flushing devices for specific tank dimensions, then operational effectiveness for different tanks is improved, but device complexity and production cost increase
Solution Approach 1:
The valve body is designed with a universal structure that can function with different float configurations. The same valve body can accommodate complete flush mode with one float or partial flush mode with two floats, eliminating the need for multiple specialized components for different tank types.
Solution Approach 2:
The float connection mechanism is made adjustable and reconfigurable. The valve body can dynamically switch between different float engagement states, allowing the same hardware to adapt to different operational requirements without physical modification.
2Volume of moving object
If floats are laterally arranged with respect to a central valve body, then space utilization is improved, but the speed of the floats cannot be adjusted to control valve body closing speed
Solution Approach 1:
The float connection to the valve body is made adjustable through threaded connections. This allows the vertical position and engagement characteristics of the floats to be dynamically adjusted, controlling the closing speed of the valve body while maintaining the lateral arrangement for space efficiency.
Solution Approach 2:
The connection parameters between floats and valve body can be changed through adjustment mechanisms. By modifying the engagement depth, vertical position, or connection strength, the closing speed characteristics can be tuned without changing the fundamental lateral arrangement of the components.
3Ease of operation
If weights and floats are connected in a releasable manner to the valve body, then adjustment of closing speed is improved, but operational reliability decreases
Solution Approach 1:
The connection mechanism uses threaded fasteners that provide both adjustability and secure mechanical engagement. The dynamic adjustment capability is achieved through reversible threading, while reliability is maintained through the robust mechanical connection that prevents accidental disengagement during operation.
Solution Approach 2:
Threaded connection elements serve as intermediaries between the floats/weights and the valve body. These intermediaries provide a controlled interface that allows for precise adjustment while maintaining strong, reliable mechanical coupling throughout operation.
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 device ensures reliable, cost-effective, and adaptable operation across various tank sizes and conditions, enabling simple and accurate adjustment of water quantity and speed, reducing the need for multiple component designs and improving operational reliability.
Implementation Method 1
a float 7, used for the complete flush, which is fitted integral with the valve body 4
Implementation Method 2
a supplementary ballast tank 8 containing water, used for the partial flush, which is movable and selectively connectable to the valve body 4
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A flushing device (1) for a flush tank comprising a support structure (3); a valve body (4) that is slidable and provided with a shutter (5) cooperating with a seal seat (6) of the support structure (3); a float (7) fitted integral with the valve body (4); an actuating system (9) connected to the valve body (4) for raising the valve body (4) and opening the seal seat (6); the float (7) projects laterally from the valve body (4) and is eccentric and radially external with respect to the valve body (4), and is housed to slide in a tank (22) of the support structure (3) that is set eccentrically with respect to the axis (A) and has a valve (27) for the supply of water into the tank (22), and a window (30) for the outflow of water from the tank (22); a ballast tank (8) containing water is provided in order to carry out the early drop of the valve body (4) in the event of a partial flush, which is adjustable in weight thanks to a window (58) closed by an adjustable gate (60).