Negative-Pressure Cleaning Brush for Spill-Free Bottle Solution Spraying
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Solution Overview
Problem
Existing cleaning brushes, both manual and electric, face challenges in efficiently delivering cleaning solution into bottles due to design complexities and production costs, with manual brushes being inconvenient and electric brushes having complex mechanical structures that increase weight and cost.
Innovation Solution
A cleaning brush design featuring a brush rod with a liquid outlet, a negative pressure assembly including a pushing element and a negative pressure channel, which allows for the selective communication of a liquid inlet with the channel through a valve, enabling the spraying of cleaning solution via reciprocating movement of the pushing element without air pumps, thus simplifying structure and reducing weight.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If manual cleaning brush is used, then production cost is low, but cleaning solution delivery is inconvenient and spills easily
Solution Approach 1:
The brush rod incorporates a movable pushing element that can slide within the negative pressure channel, transforming the static manual brush into a dynamic system. This allows the brush to actively pump cleaning solution through reciprocating motion, improving delivery convenience while maintaining simple manual operation and low production cost.
Solution Approach 2:
The invention utilizes negative pressure (vacuum) principles to create a pressure differential that draws cleaning solution into the brush rod. The negative pressure channel and pushing element work together to pump liquid, enabling effective cleaning solution delivery without complex mechanical structures or high production costs.
2Productivity
If electric cleaning brush with air pump is used, then cleaning solution spraying is effective, but device complexity and production cost increase
Solution Approach 1:
The invention extracts and eliminates the air pump component from the cleaning brush system. Instead of using an electric air pump to spray cleaning solution, the design uses a simplified negative pressure channel and pushing element mechanism that achieves effective spraying through manual reciprocating motion, significantly reducing device complexity and production cost.
Solution Approach 2:
The pushing element is designed to be manually operated by the user's finger or thumb, making the system self-sufficient without requiring external electric power sources or complex mechanical drive mechanisms. The user's direct manual input provides the necessary motion to pump and spray cleaning solution effectively.
3Productivity
If electric cleaning brush with air pump is used, then cleaning solution spraying is effective, but device weight increases
Solution Approach 1:
The invention removes the heavy air pump motor and associated electrical components from the brush assembly. The remaining structure consists of lightweight materials forming the negative pressure channel and pushing element, dramatically reducing the overall weight of the cleaning brush while maintaining effective cleaning solution spraying capability.
4Device complexity
If cleaning solution is poured manually into bottle, then no additional devices are needed, but cleaning solution spills occur
Solution Approach 1:
The negative pressure channel creates a vacuum effect that draws cleaning solution into the brush rod through capillary action and pressure differential, preventing spills. The controlled pressure system ensures smooth liquid uptake without the need for manual pouring, eliminating the harmful spilling effect while maintaining structural simplicity.
Solution Approach 2:
The movable pushing element dynamically controls the intake and delivery of cleaning solution, creating a regulated flow system that prevents overfilling and spilling. The reciprocating motion of the pushing element ensures controlled liquid movement from the bottle through the brush rod, eliminating the uncontrolled pouring process.
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 enables efficient and accurate spraying of cleaning solution into bottles without spilling, reducing production costs and improving cleaning efficiency and effectiveness.
Implementation Method 1
The negative pressure element defines a negative pressure channel. The pushing element is slidably arranged in the negative pressure channel, a pressure in the negative pressure channel is caused to change by a sliding of the pushing element.
Implementation Method 2
The negative pressure channel is selectively in communication with the liquid storage bottle through the valve controlled by the pressure in the negative pressure channel.
Implementation Method 3
the negative pressure assembly further includes an elastic element, the elastic element is arranged in the negative pressure element and elastically abuts between the pushing element and the negative pressure element.
Data Source
AI summary
A cleaning brush includes a brush rod, a negative pressure assembly, a valve, and a liquid storage bottle. The brush rod includes a liquid outlet. The negative pressure assembly includes a pushing element and a negative pressure element. The negative pressure element defines a negative pressure channel. The pushing element defines a liquid inlet in communication with the liquid outlet. The pushing element is slidably arranged in the negative pressure channel, a pressure in the negative pressure channel is caused to change by a sliding of the pushing element. The liquid inlet is selectively in communication with the negative pressure channel. The negative pressure assembly is arranged in the liquid storage bottle, and the negative pressure channel is selectively in communication with the liquid storage bottle through the valve controlled by the pressure in the negative pressure channel.