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Patent Searching and Data


Title:
ROTARY LOCKING MECHANISM AND PLANT PROTECTION UNMANNED AERIAL VEHICLE HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2017/008706
Kind Code:
A1
Abstract:
A rotary locking mechanism comprises a lock lug (41) arranged on a rack body (10), and a rotary connecting piece (42) arranged at a pivoting end of a rotary arm (20); an outer edge of the lock lug (41) comprises an arc section and a linear section, the rotary connecting piece (42) is provided with a flange adhered to and in contact with the outer edge of the lock lug (41), and the flange is fit with the linear section of the outer edge and is used to limit rotation of the rotary arm along an unfolding direction; the rotary connecting piece (42) is provided with a lock hook (43), and an elastic mechanism for applying stress for driving a hook portion of the lock hook to get close to the rotary arm is provided between the lock hook (43) and the rotary connecting piece (42); a lock catch portion fit with the lock hook (43) is provided on the lock lug (41) and is used to limit gyration of the rotary arm around the pivoting end when the lock hook (43) is fit with the lock catch portion. Also disclosed is a plant protection unmanned aerial vehicle having the foregoing rotary locking mechanism. The foregoing structure simplifies an assembly process of a plant protection unmanned aerial vehicle and broads applications thereof.

Inventors:
ZHU QIUYANG (CN)
Application Number:
PCT/CN2016/089429
Publication Date:
January 19, 2017
Filing Date:
July 08, 2016
Export Citation:
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Assignee:
GUANGZHOU TIANXIANG AVIATION TECH CO LTD (CN)
International Classes:
B64C3/56
Foreign References:
CN104986324A2015-10-21
CN203767065U2014-08-13
CN103963958A2014-08-06
RU2500575C12013-12-10
GB283026A1928-01-05
CN204415709U2015-06-24
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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