Title:
DOOR OPENING AND CLOSING DEVICE, AND ELECTRICAL APPLIANCE
Document Type and Number:
WIPO Patent Application WO/2023/124714
Kind Code:
A1
Abstract:
A door opening and closing device (100) and an electrical appliance (1000). The door opening and closing device (100) comprises a base body (10), an output assembly (20), a connecting rod assembly (30), and a driving assembly (40). The output assembly (20) comprises an output shaft (21), the output shaft (21) is rotatably connected to the base body (10), the output shaft (21) is used for being connected to a door body (300) or a machine body (200) of an electrical appliance, and the door body (300) is rotatably mounted on the machine body (200); the connecting rod assembly (30) is rotatably mounted on the base body (10) and is hinged to the output assembly (20); the driving assembly (40) is used for driving the connecting rod assembly (30) to act so as to drive the output shaft (21) to rotate, thereby driving the door body (300) to rotate relative to the machine body (200) of the electrical appliance.
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Inventors:
CHEN ZHENGXING (CN)
WU WENJING (CN)
CHEN WENJIE (CN)
WU WENJING (CN)
CHEN WENJIE (CN)
Application Number:
PCT/CN2022/135341
Publication Date:
July 06, 2023
Filing Date:
November 30, 2022
Export Citation:
Assignee:
GD MIDEA AIR CONDITIONING EQUIPMENT CO LTD (CN)
MIDEA GROUP SHANGHAI CO LTD (CN)
MIDEA GROUP SHANGHAI CO LTD (CN)
International Classes:
F25D23/02; E05F15/614; F25D11/00
Foreign References:
| CN111503981A | 2020-08-07 | |||
| CN111335770A | 2020-06-26 | |||
| CN209457715U | 2019-10-01 |
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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