Title:
AUTOMATIC DOOR OPENING DEVICE AND REFRIGERATOR HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2018/121562
Kind Code:
A1
Abstract:
An automatic door opening device (100) and a refrigerator (500) provided with the device. The automatic door opening device (100) comprises a base, a driving source member (2), two mechanical clutch gear sets (32) and two pushing members (4); the mechanical clutch gear sets (32) comprise a mechanical master gear (321), a mechanical sub-gear (322) and a mechanical clutch member (323); in an initial state, the mechanical master gear (321) and the mechanical clutch member (323) are meshed together, and the mechanical clutch member (323) and the mechanical sub-gear (322) are separated from each other; in the process of opening a door body, the mechanical master gear (321) drives the mechanical sub-gear (322) to be in a transmission state; and after the door body is opened, the mechanical clutch gear sets (32) return to an initial connection state.
Inventors:
CHENG XUELI (CN)
FEI BIN (CN)
SHANG YAZHOU (CN)
LIU JINLIN (CN)
FEI BIN (CN)
SHANG YAZHOU (CN)
LIU JINLIN (CN)
Application Number:
PCT/CN2017/118853
Publication Date:
July 05, 2018
Filing Date:
December 27, 2017
Export Citation:
Assignee:
QINGDAO HAIER JOINT STOCK CO LTD (CN)
International Classes:
F25D23/02; E05F1/10; E05F15/614
Foreign References:
| CN106766591A | 2017-05-31 | |||
| CN106761136A | 2017-05-31 | |||
| CN104121748A | 2014-10-29 | |||
| CN102635997A | 2012-08-15 | |||
| CN105971439A | 2016-09-28 | |||
| CN104328971A | 2015-02-04 | |||
| US20110083461A1 | 2011-04-14 |
Other References:
See also references of EP 3564603A4
Attorney, Agent or Firm:
SUZHOU WISPRO INTELLECTUAL PROPERTY AGENCY (CN)
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