Power Tool Panel and PCB Mounting for Compact Durable Layout
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Solution Overview
Problem
Existing power tools have a high number of components, leading to increased size and complexity, which affects visibility and durability of the operation-and-display panel.
Innovation Solution
The power tool design integrates a resin part that supports both the panel and the control circuit board, reducing the number of components and assembly processes while improving panel visibility and durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If multiple separate components are used to support the panel and control circuit board, then the structural stability is improved, but the number of components and assembly processes increases
Solution Approach 1:
The patent merges the panel support function and control circuit board mounting function into a single integrated resin part. This resin part simultaneously supports the panel from below and provides mounting structures for the control circuit board, thereby reducing the number of separate components and assembly processes while maintaining structural stability.
Solution Approach 2:
The resin part is designed to perform multiple functions: it serves as both the support structure for the panel and the mounting structure for the control circuit board. This multi-functional design eliminates the need for separate support components, reducing device complexity while ensuring stable support for both the panel and circuit board.
2Stability of the object's composition
If more components are used to support the panel and control circuit board, then the structural stability is improved, but the size of the power tool increases
Solution Approach 1:
By combining the panel support structure and control circuit board mounting structure into a single resin part, the patent eliminates the volume occupied by multiple separate components. This integration reduces the overall size of the power tool while maintaining the structural stability needed to support both the panel and control circuit board.
3Illumination intensity
If the panel is positioned closer to the front, then the visibility is improved, but the durability against vibration and impact decreases
Solution Approach 1:
The resin part acts as an intermediary between the panel and the vibration-prone areas of the power tool. It provides cushioning and vibration isolation to protect the panel from damage while maintaining its position for good visibility. The resin material's inherent damping properties help absorb vibrations and impacts.
Solution Approach 2:
The resin part provides pre-positioned cushioning and protection for the panel against future vibrations and impacts. By designing the panel support structure with vibration-absorbing characteristics built-in, the panel is protected from damage before actual vibration or impact events occur.
Data Source
AI summary
A power tool includes a motor, an output part, a housing, a control circuit board, and a panel. The motor includes a rotor rotatable about a motor rotation axis extending in a front-rear direction. The output part is disposed forward of the motor and is rotated by a rotational force of the rotor. The housing includes: a motor housing part that houses the motor; a grip part that extends downward from the motor housing part; and a battery holding part that is connected to a lower end of the grip part. The control circuit board is housed in the grip part and is configured to control the motor. The panel is disposed at a rear portion of the battery holding part and is manipulated to change a control method of the motor.