Power tool for cleaning
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Solution Overview
Problem
Ordinary cleaning brushes are laborious to use and require improved cleaning efficiency and reduced user fatigue during extended work periods.
Innovation Solution
A power tool design featuring a motor-driven cleaning device with a motor shaft, an operation device with a main and auxiliary handle, a power supply device between the handles, and a connecting device that reduces user fatigue through ergonomic design and power distribution, including a battery pack and switch assembly for control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a power supply device is added to the cleaning brush, then the cleaning efficiency is improved, but the device complexity increases
Solution Approach 1:
The power supply device (battery pack) is nested within the operation device housing, which itself contains the control components. This nested arrangement allows the power supply to be integrated into the existing structure without requiring a separate external power source, thereby improving cleaning efficiency while minimizing the increase in device complexity
Solution Approach 2:
The operation device serves multiple functions: it houses the power supply device, contains the control components, and provides the ergonomic handle structure. This multi-functionality reduces the need for separate components, allowing the cleaning brush to gain enhanced cleaning efficiency through motorization without proportionally increasing device complexity
2Ease of operation
If the power supply device is disposed between the main handle and the driving device, then the user fatigue is reduced, but the device complexity increases
Solution Approach 1:
The power supply device (battery pack) is positioned between the main handle and the driving device to act as a counterweight, balancing the overall weight distribution of the cleaning brush. This positioning reduces the moment arm of the heavy driving device, making the tool easier to control and reducing user fatigue during prolonged use, while the integration into the existing structure minimizes the increase in device complexity
3Ease of operation
If an auxiliary handle is added for two-handed operation, then the user fatigue is reduced, but the device complexity increases
Solution Approach 1:
The auxiliary handle is merged with the connecting device structure, forming an integrated assembly rather than a separate component. This combining approach allows the auxiliary handle to provide additional support for two-handed operation, reducing user fatigue, while avoiding the need for separate mounting hardware and reducing the overall increase in device 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 ergonomic layout reduces user fatigue by aligning hand forces with tool movement, enhancing cleaning efficiency and comfort during prolonged use.
Implementation Method 1
the battery pack enters the accommodation compartment along a direction parallel to or inclined with respect to the direction of the second straight line
Implementation Method 2
a motor for driving the working accessory to rotate, and the motor includes a motor shaft rotating about a first straight line
Data Source
Figure 1
Figure 2~3
Figure 4
AI summary
Provided is a power tool for cleaning. The power tool includes: a cleaning device including a working accessory for cleaning; a driving device, where the driving device includes a motor for driving the working accessory to rotate, and the motor includes a motor shaft rotating about a first straight line; an operation device for a user to operate so as to control the power tool; a power supply device for supplying power to the driving device; and a connecting device for connecting the driving device to the operation device. The operation device includes a main handle for the user to hold. The power supply device is disposed between the main handle and the driving device. The fatigue degree of the user is reduced when the user operates the power tool.