DOOR OPENING AND CLOSING DEVICE AND ELECTRICAL APPARATUS

WIPO Patent Application WO/2024/060736

A1

A door opening and closing device (11), comprising: a base (920), a driving mechanism (100), a linkage gear (300), and a door rotating mechanism (400), wherein the linkage gear (300) is rotatably arranged on the base (920) and is transmittingly connected to the driving mechanism (100); the door rotating mechanism (400) is arranged between the linkage gear (300) and the base (920); one end of the door rotating mechanism (400) is connected to the linkage gear (300), and the other end of the door rotating mechanism (400) is connected to a door (13); when the driving mechanism (100) drives the linkage gear (300) to rotate, the door rotating mechanism (400) drives the door (13) to rotate relative to a main body (12), so as to open or close the door (13). Also provided is an electrical apparatus comprising the door opening and closing device (11). By means of the door opening and closing device, the technical problem that door opening and closing devices have large overall thicknesses can be solved at least to a certain extent.

FENG YERUI (CN)
PENG BO (CN)
SHI BING (CN)
YUAN JINGUO (CN)
WANG CHUANDONG (CN)
QI SHENGHAO (CN)
CHEN RONGHAI (CN)
JIANG ZHUOHUA (CN)
FU XIULIANG (CN)
ZHU YAFEI (CN)

PCT/CN2023/102390

March 28, 2024

June 26, 2023

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HEFEI MIDEA REFRIGERATOR CO (CN)
HEFEI HUALING CO LTD (CN)
MIDEA GROUP CO LTD (CN)

E05F15/614; F25D23/02

CN113587532A	2021-11-02
CN104328971A	2015-02-04
CN104329884A	2015-02-04
CN112539013A	2021-03-23
CN113606832A	2021-11-05
CN114562171A	2022-05-31
CN215930231U	2022-03-01
JP2004003789A	2004-01-08
US20110083461A1	2011-04-14

BEIJING ZHONGDA DEQUAN IP AGENCY CO., LTD. (CN)

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