Vacuum Cleaner Nozzle Height Display for Carpet Adjustment
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Solution Overview
Problem
Upright-type vacuum cleaners face challenges in adjusting the height of the suction nozzle to accommodate varying carpet heights, which can prevent the agitator from rotating smoothly, requiring manual adjustments and lacking a clear indication of the nozzle's height during use.
Innovation Solution
A vacuum cleaner design featuring a suction nozzle with a height adjustment unit and a display mechanism that allows users to easily adjust and confirm the nozzle's height, using a manipulation portion, transmission units, and a display portion to indicate the current height, eliminating the need for additional components like motors or extra manipulation parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the suction nozzle height is fixed, then the device complexity is reduced, but the adaptability to different carpet heights deteriorates
Solution Approach 1:
The suction nozzle is designed with a movable connection to the cleaner body, allowing the height to be dynamically adjusted. The height adjustment unit includes a movable connection portion that can change position relative to the cleaner body, enabling the nozzle to adapt to different carpet heights while maintaining a relatively simple overall structure through mechanical movability rather than complex active control systems.
2Ease of operation
If no display mechanism is provided, then the device complexity is reduced, but the ease of operation deteriorates due to inability to confirm current height
Solution Approach 1:
The display portion utilizes the existing movement of the transmission unit to automatically indicate the suction nozzle height. As the transmission unit moves to adjust the nozzle height, the display portion随之 moves to show the current height level. This self-indicating mechanism eliminates the need for separate sensors, motors, or electronic control systems, providing clear height information while maintaining simple device structure.
3Productivity
If the agitator cannot rotate smoothly due to high carpet, then the productivity is reduced, but adjusting the nozzle height manually increases the ease of operation
Solution Approach 1:
The display portion provides visual feedback to the user about the current suction nozzle height. This feedback mechanism allows the user to understand the relationship between the nozzle height and the agitator rotation effectiveness, enabling informed adjustments to achieve optimal cleaning performance on different carpet heights, thereby maintaining productivity while improving operational control.
Data Source
AI summary
The embodiments disclose a vacuum cleaner. The vacuum cleaner includes a suction nozzle capable to adjusting the height with regard to the bottom surface.