Title:
FRESH AIR PIPE ASSEMBLY, INDOOR UNIT OF AIR CONDITIONER, AND AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2023/092987
Kind Code:
A1
Abstract:
The present application belongs to the technical field of household appliances, and in particular relates to a fresh air pipe assembly, an indoor unit of an air conditioner, and an air conditioner. The fresh air pipe assembly comprises a fresh air pipe and a sheath, wherein the fresh air pipe is used for penetrating a through hole in a wall; the sheath is arranged the fresh air pipe and is used for being fixed in the through hole; the sheath comprises a body and a flange arranged at one end of the body; the body sleeves the fresh air pipe; the side of the body facing away from the fresh air pipe is provided with a plurality of elastic arms; first ends of the elastic arms are fixedly connected to the body; second ends of the elastic arms are free ends; and an anti-falling structure is arranged on a surface of the side of each of the elastic arms facing away from the body. When the fresh air pipe assembly of the present application is used, a gap between the fresh air pipe and the through hole in the wall can be covered by means of the flange arranged at one end of the body of the sheath, the elastic arms on the body can abut against an inner wall of the through hole, and the anti-falling structures on the surfaces of the elastic arms can increase the friction between the body and the through hole, so as to prevent the sheath from falling.
Inventors:
HOU HONGYU (CN)
HAO BENHUA (CN)
SHI HENG (CN)
HAN ZHONGHUI (CN)
HAO BENHUA (CN)
SHI HENG (CN)
HAN ZHONGHUI (CN)
Application Number:
PCT/CN2022/097464
Publication Date:
June 01, 2023
Filing Date:
June 07, 2022
Export Citation:
Assignee:
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD (CN)
QINGDAO HAIER AIR CONDITIONING ELECTRONIC CO LTD (CN)
HAIER SMART HOME CO LTD (CN)
QINGDAO HAIER AIR CONDITIONING ELECTRONIC CO LTD (CN)
HAIER SMART HOME CO LTD (CN)
International Classes:
F24F7/10; F24F1/0035; F24F13/02
Foreign References:
| CN114234335A | 2022-03-25 | |||
| CN204806614U | 2015-11-25 | |||
| CN210423329U | 2020-04-28 | |||
| CN206310685U | 2017-07-07 | |||
| CN209511370U | 2019-10-18 | |||
| CN214536756U | 2021-10-29 | |||
| CN211308175U | 2020-08-21 | |||
| CN212178186U | 2020-12-18 | |||
| JP2001280659A | 2001-10-10 |
Attorney, Agent or Firm:
LEADER PATENT & TRADEMARK FIRM (CN)
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