Quick-Empty Recovery Tank Valve for One-Handed Extraction Cleaner Drainage
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Solution Overview
Problem
Existing extraction cleaners face challenges in efficiently and ergonomically emptying recovery tanks, often requiring users to tilt or rotate the tank, which can be cumbersome and require two hands.
Innovation Solution
The design incorporates a recovery tank with a drain opening and a valve system that can be actuated by a user, allowing for single-handed, upright emptying without tilting or rotating the tank, using a push-button mechanism to open the drain and facilitate fluid disposal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the recovery tank is designed with a traditional drain opening at the bottom, then the tank can be emptied by tilting or rotating it, but this requires two hands and is cumbersome for the user
Solution Approach 1:
A push-button actuator is introduced as an intermediary mechanism between the user and the drain valve. The actuator translates simple button pressure into valve opening action, allowing the user to empty the tank with one hand while maintaining control over the draining process
Solution Approach 2:
The valve system is designed to be self-actuating through the push-button mechanism. When the button is pressed, it automatically opens the valve and allows drainage without requiring the user to manually manipulate the valve itself or tilt the tank, making the emptying process serve itself through automated mechanical action
2Loss of time
If the recovery tank allows quick emptying without tilting, then user convenience is improved, but the structural design becomes more complex with additional valve components
Solution Approach 1:
The drain valve system is segmented into distinct functional components: the valve body, the push-button actuator, and the sealing mechanism. This segmentation allows each component to be optimized for its specific function while working together to achieve quick emptying without requiring tank tilting
Solution Approach 2:
The traditional mechanical tilting and pouring action is replaced with a pneumatic or spring-loaded valve mechanism actuated by a simple push button. This substitution eliminates the need for gravitational assistance through tilting and provides controlled drainage through mechanical valve operation
3Reliability
If the drain opening is positioned at the lower portion of the recovery container, then fluid can drain completely, but the valve mechanism becomes more complex to ensure proper sealing
Solution Approach 1:
The valve sealing mechanism utilizes parameter changes in the sealing material, such as elastomeric compounds that deform under compression to create a tight seal. The push-button actuator applies controlled force to compress the sealing element against the valve seat, ensuring complete sealing when closed while allowing full drainage when open
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
This solution enables quick and ergonomic emptying of the recovery tank, improving user convenience and efficiency by allowing single-handed operation without the need to tilt or rotate the tank, addressing the ergonomic limitations of prior designs.
Implementation Method 1
a source of suction in fluid communication with the working air conduit to draw the cleaning fluid from the surface to be cleaned and through the nozzle and the working air conduit to the recovery tank
Implementation Method 2
a valve fluidly connected to the drain opening for movement between a closed position wherein the valve seals the recovery chamber
Implementation Method 3
an opened position wherein the valve allows for draining fluid from the recovery chamber
Data Source
AI summary
An extraction cleaner is provided with a removable recovery tank having a recovery container, a drain opening quick-empty valve, and an actuator assembly for emptying the recovery container. The drain opening can be provided on a lower portion of the recovery container. The actuator assembly can selectively open the valve. At least a portion of the actuator assembly can be provided on an upper portion of the recovery container.