Title:
CURTAIN OPENING AND CLOSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/130634
Kind Code:
A1
Abstract:
The present invention relates to the technical field of smart homes, and in particular to a curtain opening and closing device. The present application aims to solve the problem whereby an existing curtain opening and closing device is inconvenient to install. The curtain opening and closing device of the present application comprises: a housing; a driving rolling wheel assembly; hanging mechanisms, which are respectively arranged on two sides of a driving wheel, each hanging mechanism comprising a first support, a second support, a first driven wheel and a second driven wheel, wherein the first driven wheel is rotatably arranged on the first support, the second driven wheel is rotatably arranged on the second support, and at least one of the first support and the second support is configured to be capable of reciprocating in the axial direction of the driving wheel; and a switch portion, wherein when the switch portion is switched from a first position to a second position under the action of an external force, the hanging mechanisms move to a mounting position, and when the external force is removed and the switch portion is reset to the first position from the second position, the hanging mechanisms move to a use position. In the present application, mounting and dismounting of the hanging mechanisms are achieved by means of the switch portion, and mounting is convenient.
More Like This:
Inventors:
WANG JIANFENG (CN)
LIU XIAOMING (CN)
FANG HONGGEN (CN)
WANG ZENGQING (CN)
RAO YUBIN (CN)
WANG JUNYU (CN)
LIU XIAOMING (CN)
FANG HONGGEN (CN)
WANG ZENGQING (CN)
RAO YUBIN (CN)
WANG JUNYU (CN)
Application Number:
PCT/CN2022/091444
Publication Date:
July 13, 2023
Filing Date:
May 07, 2022
Export Citation:
Assignee:
QINGDAO HAIER SMART TECH R & D CO LTD (CN)
HAIER SMART HOME CO LTD (CN)
HAIER SMART HOME CO LTD (CN)
International Classes:
A47H5/02; A47H15/02
Domestic Patent References:
| WO2021105428A1 | 2021-06-03 | |||
| WO2021105320A1 | 2021-06-03 |
Foreign References:
| CN111972956A | 2020-11-24 | |||
| CN213308943U | 2021-06-01 | |||
| CN211299436U | 2020-08-21 | |||
| CN112167940A | 2021-01-05 | |||
| CN215190832U | 2021-12-17 | |||
| CN104244775A | 2014-12-24 | |||
| CN102858209A | 2013-01-02 | |||
| CN110430792A | 2019-11-08 | |||
| CN214230846U | 2021-09-21 | |||
| JP2017176425A | 2017-10-05 | |||
| JP2013226368A | 2013-11-07 |
Attorney, Agent or Firm:
HANRAY LAW FIRM (CN)
Download PDF: