Electric Work Machine Display Holder Sealing
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Solution Overview
Problem
Electric work machines, such as power tools, often face issues with their displays failing to properly show data due to deterioration of display components.
Innovation Solution
The electric work machine incorporates a motor with a stator and rotor, an output unit driven by the rotor, a display panel to show the setting state of the output unit, and a holder for the display panel, which includes a cover with a display opening and a seal to secure the display panel, ensuring proper data display.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the display panel is exposed to the external environment, then the display can show data, but the display components are susceptible to deterioration from environmental factors
Solution Approach 1:
The patent applies sealing to create a protected environment around the display panel, isolating it from harmful external factors such as moisture, dust, and other environmental elements that could cause deterioration. This allows the display to function reliably while being shielded from the external environment.
Solution Approach 2:
The patent uses a seal structure that creates a protective barrier around the display panel. This seal acts as a flexible shielding mechanism that protects the display components from environmental deterioration while maintaining the display's functionality.
2Reliability
If sealing structures are added to protect the display panel, then deterioration is reduced, but device complexity increases
Solution Approach 1:
The sealing structure creates a simplified protected environment for the display panel without requiring complex protective mechanisms. By simply sealing the display within the housing, the patent achieves reliable protection against deterioration while maintaining relatively simple device architecture.
Data Source
AI summary
An electric work machine includes a display that properly displays display-data. The electric work machine includes a motor including a stator and a rotor rotatable relative to the stator, an output unit driven by the rotor, a display panel that displays a setting state of the output unit, and a holder holding the display panel. The holder includes metal or synthetic resin.