Title:
DIRECT-CURRENT CEILING FAN WHICH IS CONVENIENT TO INSTALL AND HAS STABLE INSTALLATION
Document Type and Number:
WIPO Patent Application WO/2022/036808
Kind Code:
A1
Abstract:
A direct-current ceiling fan which is convenient to install and has stable installation, the direct-current ceiling fan comprising a ceiling-hung base (10) and a fan assembly arranged at a lower portion of the ceiling-hung base (10). The fan assembly comprises an installation seat (20), a PCB (30), an electric motor (40) and fan blades (50). The installation seat (20) comprises a main body portion (21), and a first installation portion (22) integrally extending outwards from the periphery of an outer side of the main body portion (21), wherein a second installation concave position (202) is arranged on an upper surface of the first installation portion (22) in a recessed manner, and the second installation concave position (202) is of a limiting structure with a small outer end and a large inner end. A direct-current circuit is arranged on the PCB (30). A second installation portion (52) of each fan blade (50) is provided with a snap-fitting table (521) which is arranged in a downwardly-protruding manner, and the snap-fitting table (521) is snap-fitted in the second installation concave position (202), and same is positioned therein. The ceiling fan is convenient to assemble, and a direct-current circuit is used to replace an alternating-current circuit, such that the service life thereof is prolonged.
Inventors:
ZHU PENGHUI (CN)
HU WEIJUN (CN)
CHEN YANPING (CN)
HU WEIJUN (CN)
CHEN YANPING (CN)
Application Number:
PCT/CN2020/117982
Publication Date:
February 24, 2022
Filing Date:
September 27, 2020
Export Citation:
Assignee:
DECOMIN PLASTICS PRODUCTS MFG LTD (CN)
International Classes:
F04D29/34; F04D29/64
Foreign References:
| CN209324740U | 2019-08-30 | |||
| CN2531150Y | 2003-01-15 | |||
| CN210484136U | 2020-05-08 | |||
| CN2308751Y | 1999-02-24 | |||
| CN211059065U | 2020-07-21 | |||
| CN202560635U | 2012-11-28 | |||
| US6149388A | 2000-11-21 | |||
| US20050095135A1 | 2005-05-05 |
Attorney, Agent or Firm:
BEIJING HUAJI INTELLECTUAL PROPERTY AGENCY CO. , LTD. (CN)
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