Title:
CENTRIFUGAL SPRAY NOZZLE, SPRAYING SYSTEM, AND PLANT PROTECTION UNMANNED AERIAL VEHICLE
Document Type and Number:
WIPO Patent Application WO/2023/082293
Kind Code:
A1
Abstract:
A centrifugal spray nozzle, a spraying system, and a plant protection unmanned aerial vehicle. The centrifugal spray nozzle comprises a motor (10), a liquid supply assembly (20), a valve core (30), a centrifugal disc assembly (40), a liquid outlet opening assembly (50), and a liquid outlet closing assembly (60); the motor (10) comprises a motor body (11) and a rotatable assembly (12); the liquid supply assembly (20) is mounted on the motor body (11); the liquid supply assembly (20) is provided with a liquid inlet (21) and a liquid outlet (22); the centrifugal disc assembly (40) is mounted on the rotatable assembly (12); when the liquid outlet (22) is opened, liquid enters the centrifugal disc assembly (40) by means of the liquid outlet (22) and is sprayed out by means of the centrifugal disc assembly (40); the liquid outlet opening assembly (50) is movably connected to the rotatable assembly (12); the liquid outlet opening assembly (50) directly or indirectly acts on the valve core (30), so that the valve core (30) can be away from the liquid outlet (22); the liquid outlet closing assembly (60) is used for providing a restoring force of the valve core (30) close to the liquid outlet (22), so that the valve core (30) can be close to and close the liquid outlet (22). The centrifugal spray nozzle can avoid liquid leakage when stopping working.
Inventors:
WANG YUE (CN)
SHU ZHAN (CN)
ZHOU LE (CN)
SHU ZHAN (CN)
ZHOU LE (CN)
Application Number:
PCT/CN2021/130778
Publication Date:
May 19, 2023
Filing Date:
November 15, 2021
Export Citation:
Assignee:
SZ DJI TECHNOLOGY CO LTD (CN)
International Classes:
B05B3/02; A01M7/00; B64D1/18
Foreign References:
| CN213700368U | 2021-07-16 | |||
| CN211190636U | 2020-08-07 | |||
| CN112601456A | 2021-04-02 | |||
| CN104214378A | 2014-12-17 | |||
| CN109423801A | 2019-03-05 | |||
| CN113089265A | 2021-07-09 | |||
| CN204756086U | 2015-11-11 | |||
| CN103925404A | 2014-07-16 | |||
| US20020020756A1 | 2002-02-21 |
Attorney, Agent or Firm:
SHENZHEN LIDAO INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
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