Propeller structure of unmanned aerial vehicle
The utility model discloses a propeller structure of an unmanned aerial vehicle. The propeller comprises a propeller body and a motor revolute pair, a groove is formed in the motor revolute pair; a spring is arranged at the bottom end in the groove; the upper end of the spring is fixedly connected w...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
29.09.2020
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model discloses a propeller structure of an unmanned aerial vehicle. The propeller comprises a propeller body and a motor revolute pair, a groove is formed in the motor revolute pair; a spring is arranged at the bottom end in the groove; the upper end of the spring is fixedly connected with a pressing block; a rubber pad is arranged at the upper end of the pressing block; an insertingrod is arranged at the upper end of the rubber pad; a trapezoidal plug is mounted at the top end of the motor revolute pair through a bolt; a magnet is arranged in the middle of the lower end of the trapezoidal plug; an iron bar is welded to the inner end of the propeller body. The iron bar stretches into the groove, the magnet and the iron bar attract each other, the inserting rod connected to the upper end of the rubber pad stretches into an inserting hole formed in the bottom end face of the iron bar, an opening groove communicated with the groove is formed in the annular side face of the motor rotating pair, and a |
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Bibliography: | Application Number: CN201921664562U |