Title:
PROPELLER, POWER SYSTEM, AND UNMANNED AERIAL VEHICLE
Document Type and Number:
WIPO Patent Application WO/2021/134590
Kind Code:
A1
Abstract:
A propeller (100), a power system, and an unmanned aerial vehicle. The propeller (100) is adapted to be detachably connected to a motor (200), and comprises: a blade assembly (10), comprising at least two blades (11) and a blade holder (12) used for connecting the at least two blades (11) together; and a mounting base (20), the mounting base (20) being detachably connected to the blade holder (12) and adapted to be detachably connected to the motor (200) by means of connecting pieces (30), and rotating together with a rotor (201) of the motor (200), wherein the mounting base (20) comprises a base (21) and a limiting shaft (22) disposed in the middle of the base (21), the limiting shaft (22) is arranged basically perpendicular to the base (21), the blade holder (12) is provided with a limiting recessed portion, and the limiting shaft (22) matches the limiting recessed portion to hinder the blade assembly (10) from radially swinging. As a result, the propeller (100) can be mounted on the motor (200) without an extended shaft, so that the mounting adaptability of the propeller (100) is improved.
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Inventors:
DU TAO (CN)
CHEN PENG (CN)
CHEN PENG (CN)
Application Number:
PCT/CN2019/130761
Publication Date:
July 08, 2021
Filing Date:
December 31, 2019
Export Citation:
Assignee:
SZ DJI TECHNOLOGY CO LTD (CN)
International Classes:
B64C27/14; B64C27/32
Foreign References:
| CN206939054U | 2018-01-30 | |||
| CN106687370A | 2017-05-17 | |||
| CN110182360A | 2019-08-30 | |||
| CN110182360A | 2019-08-30 | |||
| CN206766327U | 2017-12-19 | |||
| CN206107533U | 2017-04-19 | |||
| CN209023113U | 2019-06-25 | |||
| US10155585B2 | 2018-12-18 |
Attorney, Agent or Firm:
TEKYRS INTELLECTUAL PROPERTY INC. (CN)
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