Movement mechanism, panel mechanism and household appliance

Patent metadata

Field	Value
Publication number	US-10895401-B2
Application number	US-201916533995-A
Country	US
Kind code	B2
Filing date	Aug 7, 2019
Priority date	Apr 24, 2014
Publication date	Jan 19, 2021
Grant date	Jan 19, 2021

Abstract

The disclosure provides a movement mechanism for a panel mechanism of a household appliance. wherein, the movement mechanism includes: a rotary disc ( 21 ), rotatably provided, a first support ( 22 ) is fixedly provided on the rotary disc ( 21 ), and a free end of the first support ( 22 ) having a first connection portion; and a second support ( 23 ), the second support ( 23 ) and the rotary disc ( 21 ) being hinged to a second connection portion, a first end of the second support ( 23 ) having a third connection portion, and the third connection portion being movable along a predetermined track when the rotary disc ( 21 ) rotates.

First claim

The invention claimed is:

1. A movement mechanism, comprising:
a rotary disc, provided rotatably, a first support is fixedly provided on the rotary disc, and a free end of the first support having a first connection portion; and
a second support, the second support and the rotary disc being hinged to a second connection portion, a first end of the second support having a third connection portion, and the third connection portion being movable along a predetermined track when the rotary disc rotates;
a guide piece is provided on the second support; the movement mechanism further comprises a drive box; the rotary disc is rotatably provided in the drive box; and a first guide groove is provided on the drive box, wherein, the guide piece moving in the first guide groove so as to limit a movement track of the second support;
wherein a second end of the second support is further provided with a balance portion, the guide piece is provided on the balance portion.

2. The movement mechanism according to claim 1 , wherein the guide piece is a rolling device or a guide shaft or comprises a guide shaft and an axle sleeve sleeved outside the guide shaft.

3. The movement mechanism according to claim 1 , wherein a second guide groove matching with the balance portion is provided on the rotary disc.

4. The movement mechanism according to claim 1 , wherein the drive box comprises a box body and a box cover fastened mutually, and the first guide groove is provided on the box cover.

5. The movement mechanism according to claim 4 , wherein a central through hole is provided at a rotation centre position of the rotary disc, and a central limiting shaft matching the central through hole is provided on the box body.

6. The movement mechanism according to claim 4 , wherein a middle limiting shaft is provided on the box body, the rotary disc has a first arc-shaped avoidance groove matching the middle limiting shaft, and a circle centre of the first arc-shaped avoidance groove is concentric with a rotation centre of the rotary disc.

7. The movement mechanism according to claim 4 , wherein the rotary disc is provided with an arc-shaped edge, a circle centre of the arc-shaped edge is concentric with a rotation centre of the rotary disc, an edge limiting shaft is provided on the box body, and the edge limiting shaft matches the arc-shaped edge of the rotary disc.

8. The movement mechanism according to claim 4 , wherein the rotary disc comprises a rotary disc body and a supporting portion provided on a periphery of the rotary disc body, arc-shaped supporting convex ribs are provided on the box body and/or the box cover, and the supporting portion and the arc-shaped supporting convex ribs match each other so as to support the rotary disc body away from the box body and/or the box cover.

9. The movement mechanism according to claim 1 , wherein a transmission rack is provided on the rotary disc, the movement mechanism further comprises a motor and a transmission mechanism, the motor drives the transmission mechanism, the transmission mechanism comprises a speed-reducing gear set, the transmission rack matches the speed-reducing gear set, and the motor drives the transmission mechanism so as to drive the rotary disc to rotate.

10. The movement mechanism according to claim 9 , wherein the speed-reducing gear set comprises a first gear and a second gear driven by the first gear, the radius of the first gear is smaller than that of the second gear, the first gear is mounted on an output shaft of the motor, and the second gear is meshed with the transmission rack.

11. The movement mechanism according to claim 10 , wherein the speed-reducing gear set further comprises a third gear which is coaxial with or integrated with the second gear, the third gear and the second gear rotating synchronously; the third gear is meshed with the first gear; and the radius of the second gear is smaller than that of the third gear.

12. The movement mechanism according to claim 10 , wherein the rotary disc has an arc-shaped drive groove, a circle centre of the arc-shaped drive groove is concentric with a rotation centre of the rotary disc, the transmission rack is provided in the arc-shaped drive groove, and the second gear rotates in the arc-shaped drive groove.

13. The movement mechanism according to claim 12 , wherein the rotary disc also has a second arc-shaped avoidance groove avoiding the motor, the arc-shaped drive groove and the second arc-shaped avoidance groove are independent of each other, or the arc-shaped drive groove and the second arc-shaped avoidance groove are communicated with each other.

14. The movement mechanism according to claim 1 , further comprising a limiting rib protruding out of the drive box and corresponding to the second support, the limiting rib being configured to limit movement of the second support in a direction vertical to a rotation plane thereof.

15. The movement mechanism according to claim 1 , further comprising a connection piece, a first guide groove is provided on the connection piece so as to form the predetermined track, the first end of the second support is provided with a first matching portion sliding or rolling in the first guide groove, the first matching portion forms the third connection portion, and the connection piece is further provided with a hinging portion hinging the free end of the first support to the first connection portion.

16. A panel mechanism, comprising a panel and a movement mechanism matching the panel, wherein the movement mechanism is the movement mechanism according to claim 1 , a second guide groove is provided on the panel so as to form the predetermined track, the first end of a second support is provided with a second matching portion sliding or rolling in the second guide groove, the second matching portion forms the third connection portion, and the panel and the free end of a first support are hinged to the first connection portion.

17. A household appliance, comprising a housing and a panel mechanism mounted on the housing, wherein the panel mechanism is the movement mechanism according to claim 16 , the household appliance is an air conditioner, the air conditioner further comprises an air deflector, and a panel has a closed position covering an outer side of the air deflector and an open position exposed from the air deflector.

18. A movement mechanism, comprising:
a rotary disc, provided rotatably, a first support is fixedly provided on the rotary disc, and a free end of the first support having a first connection portion; and
a second support, the second support and the rotary disc being hinged to a second connection portion, a first end of the second support having a third connection portion, and the third connection portion being movable along a predetermined track when the rotary disc rotates;
a guide piece is provided on the second support; the movement mechanism further comprises a drive box; the rotary disc is rotatably provided in the drive box; and a first guide groove is provided on the drive box, wherein, the guide piece moving in the first guide groove so as to limit a movement track of the second support;
wherein the drive box comprises a box body and a box cover fastened mutually, and the first guide groove is provided on the box cover;
a central through hole is provided at a rotation centre position of the rotary disc, and a central limiting shaft matching the central through hole is provided on the box body.

Assignees

• Gree Electric Appliances Inc Zhuhai

Inventors

• Luo Hai
• Meng Zhi
• Huang Yupeng

Classifications

• F24F13/1426 Primary

  characterised by actuating means · CPC title

• F24F1/0007

  Indoor units, e.g. fan coil units (self-contained units F24F1/02) · CPC title

• F24F2221/26

  improving the aesthetic appearance · CPC title

• F24F1/0011

  characterised by air outlets · CPC title

• F24F2013/1446

  with gearings · CPC title