Cleaning device and cleaner nozzle designed to be used in a cleaning device
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Solution Overview
Problem
Conventional cleaning devices lack the ability to intuitively adjust scrubbing intensity based on user force, hindering effective removal of stubborn stains.
Innovation Solution
A cleaning device equipped with a cleaner nozzle featuring a rotatable brush and a force-actuable mechanism that responds to user force, allowing adjustment of brush indentation and operational parameters such as rotational speed and liquid supply based on user input.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the brush is designed with fixed indentation on the surface, then the cleaning device maintains stable operational parameters, but the user cannot intuitively adjust scrubbing intensity to effectively remove stubborn stains
Solution Approach 1:
The brush indentation is designed to be dynamically adjustable rather than fixed. The resilient element (spring) enables the brush to move closer to or farther from the surface based on user force, transforming a static structure into a dynamic one that adapts to cleaning needs
Solution Approach 2:
The system incorporates force feedback through the resilient element. When the user presses down harder on the cleaner nozzle, the spring compresses and automatically increases brush indentation, creating a direct feedback loop between user input and cleaning intensity without requiring electronic sensors or complex control systems
2Strength
If the brush elements are made stiffer to increase scrubbing power, then stain removal effectiveness improves, but the brush cannot conform to surface variations and may damage delicate surfaces
Solution Approach 1:
The brush indentation parameter is made variable through the resilient element mechanism. By changing the indentation depth based on user force, the system adjusts the effective scrubbing power dynamically, allowing deep indentation for stubborn stains and shallow indentation for delicate surfaces
Solution Approach 2:
The flexible brush elements combined with the spring-loaded mechanism create a dynamic system that automatically adapts to surface conditions. The brush elements can flex and conform to surface variations while maintaining adequate contact pressure for effective cleaning
3Ease of operation
If the cleaner nozzle is designed to allow variable brush indentation through user force, then intuitive handling and stain removal capability improve, but the device requires additional force-actuable mechanisms increasing complexity
Solution Approach 1:
The resilient element automatically translates user force into brush indentation adjustment without requiring external control systems. The mechanism serves itself by using the user's natural pressing action directly to control brush contact, eliminating the need for electronic sensors, motors, or complex control circuits
Solution Approach 2:
The patent replaces potential electronic or pneumatic control systems with a simple mechanical spring mechanism. This mechanical substitution achieves the same functional result (variable brush indentation) with significantly reduced complexity, using only basic mechanical components that the user already interacts with naturally
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
Enhances scrubbing effectiveness by intuitively increasing brush indentation and adjusting operational parameters in response to user force, improving stain removal efficiency.
Implementation Method 1
a resilient element (52) arranged between the support element (51) and the brush holder frame (23)
Implementation Method 2
at least one brush including flexible brush elements having tip portions for contacting the surface to be cleaned
Implementation Method 3
the at least one brush is effective in loosening and removing dirt from the surface during operation
Data Source
AI summary
A cleaning device designed to clean a surface includes a cleaner nozzle to face the surface to be cleaned and to perform a cleaning action on the surface, where the cleaner nozzle accommodates at least one rotatably arranged brush including flexible brush elements having tip portions which are intended to contact the surface. The cleaning device includes a force-actuable mechanism that is responsive to a change of a user force on the cleaning device acting to press the cleaner nozzle against the surface when the cleaner nozzle is in an operational position on the surface, and that is functional to cause a change of a value of at least one parameter of operation of the cleaning device, thereby enabling more intuitive handling of the cleaning device by a user.