Air conditioner indoor unit and door assembly thereof

Patent metadata

Field	Value
Publication number	US-2021325077-A1
Application number	US-201916499570-A
Country	US
Kind code	A1
Filing date	Mar 28, 2019
Priority date	Feb 25, 2019
Publication date	Oct 21, 2021
Grant date	—

Abstract

A door assembly for an air conditioner indoor unit includes a door mounting plate, including a receiving chamber having a fitting opening on one side and a bottom wall on another side, a door arranged adjacent to the bottom wall of the receiving chamber and configured to be movable toward and away from the door mounting plate, and a plurality of driving assemblies arranged in the receiving chamber. An end of each driving assembly passes through the bottom wall of the receiving chamber to be connected to the door. Locations of the ends of the plurality of driving assemblies connected to the door are uniformly distributed on the door. The plurality of driving assemblies are configured to drive the door to move.

First claim

1 .- 13 . (canceled)

14 . A door assembly for an air conditioner indoor unit, comprising:
a door mounting plate including a receiving chamber, the receiving chamber having a fitting opening on one side and a bottom wall on another side; a door arranged adjacent to the bottom wall of the receiving chamber and configured to be movable toward and away from the door mounting plate; and a plurality of driving assemblies arranged in the receiving chamber, an end of each driving assembly passing through the bottom wall of the receiving chamber to be connected to the door, locations of the ends of the plurality of driving assemblies connected to the door being uniformly distributed on the door, and the plurality of driving assemblies being configured to drive the door to move.

15 . The door assembly according to claim 14 , wherein:
the door mounting plate comprises:
a frame including a vent channel;
a mounting part provided in the vent channel; and
a connection member connected between the frame and the mounting part to fix the mounting part in the vent channel;
the receiving chamber is formed in the mounting part; and the fitting opening of the receiving chamber is located at a side of the mounting part away from the door.

16 . The door assembly according to claim 15 , wherein the connection member is one of a plurality of connection members of the door mounting plate that are radially connected between the mounting part and an inner wall of the vent channel.

17 . The door assembly according to claim 14 , wherein the plurality of driving assemblies include three driving assemblies oriented along three edges of an equilateral triangle, respectively.

18 . The door assembly according to claim 14 , wherein each of the driving assemblies comprises:
a motor; a gear sleeved over a motor shaft of the motor; a rack extending along a moving direction of the door and configured to mesh with the gear, an end of the rack passing through the bottom wall of the receiving chamber to be connected to the door.

19 . The door assembly according to claim 18 , wherein:
each of the driving assemblies further comprises a housing accommodating the motor and the gear; and the rack is movable in the housing, and both longitudinal ends of the rack extend out of the housing.

20 . The door assembly according to claim 18 , wherein each of the driving assemblies further comprises a connection part provided at an end of the rack adjacent to the door and connected to the door, the connection part comprising:
a connection plate body, a first side of the connection plate body being connected to and perpendicular to the rack; and a connection column provided at a second side of the connection plate body that is opposite to the first side, the connection column being detachably connected to the door.

21 . The door assembly according to claim 20 , wherein the connection column is connected to the door through a snap structure.

22 . The door assembly according to claim 20 , wherein the connection column is connected to the door through a threaded connection member.

23 . The door assembly according to claim 20 , wherein the connection column is one of a plurality of connection columns of the connection part, one of the plurality of connection columns being connected to the door through a snap structure, and another one of the plurality of connection columns being connected to the door through a threaded connection member.

24 . The door assembly according to claim 14 , further comprising:
a guiding part; wherein:
the door comprises:
a baseplate; and
a cover plate arranged at a first side of the baseplate away from the door mounting plate and being detachable from the baseplate;

the door mounting plate includes a guiding groove; and
the guiding part is arranged at a second side of the baseplate adjacent to the door mounting plate, and is movable in the guiding groove.

25 . The door assembly according to claim 24 , wherein:
the baseplate includes a projection part at a middle of the baseplate and projecting towards the cover plate, the projection part including a mounting groove at a side of the projection part away from the cover plate; and the guiding part is provided in the mounting groove.

26 . The door assembly according to claim 25 , wherein the guiding part comprises:
an end wall received in the mounting groove; and a peripheral wall circumferentially around the end wall and partially received in the mounting groove, the peripheral wall being movably arranged in the guiding groove.

27 . The door assembly according to claim 24 , wherein the baseplate is detachably connected to the guiding part.

28 . An air conditioner indoor unit, comprising:
an outer box baseplate component having an open side; a panel component arranged at the open side of the outer box baseplate component and including an air outlet; and a door assembly including:
a door mounting plate arranged at a side of the panel component towards the outer box baseplate component and including a receiving chamber, the receiving chamber having a fitting opening on one side and a bottom wall on another side;
a door arranged adjacent to the bottom wall of the receiving chamber and configured to be movable toward and away from the door mounting plate to open or close the air outlet, and configured to be located at a side of the panel component away from the outer box baseplate component when opening the outlet; and
a plurality of driving assemblies arranged in the receiving chamber, an end of each driving assembly passing through the bottom wall of the receiving chamber to be connected to the door, locations of the ends of the plurality of driving assemblies connected to the door being uniformly distributed on the door, and the plurality of driving assemblies being configured to drive the door to move.

Assignees

• Gd Midea Air Conditioning Equipment Co Ltd
• Midea Group Co Ltd

Inventors

• Chen Liangrui
• Peng Daijie
• Yang Zhiqiang
• Wang Wuzhong
• Hu Hanjie
• Bai Jianxiong
• Li Zeping
• Song Shouliang

Classifications

• F24F13/20

  Casings or covers · CPC title

• F24F13/084 Primary

  with mounting arrangements, e.g. snap fasteners for mounting to the wall or duct · CPC title

• F24F13/06

  Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser · CPC title

• F24F1/0011 Primary

  characterised by air outlets · CPC title

• E05F15/635

  operated by push-pull mechanisms, e.g. flexible or rigid rack-and-pinion arrangements (E05F15/652 takes precedence) · CPC title