Purifying device

Patent metadata

Field	Value
Publication number	US-12201996-B2
Application number	US-202017766469-A
Country	US
Kind code	B2
Filing date	Sep 10, 2020
Priority date	Oct 17, 2019
Publication date	Jan 21, 2025
Grant date	Jan 21, 2025

Abstract

A purifying device, including: an air guiding part provided with an air passage, a negative ion generator, and an air guiding cover. The negative ion generator includes an emitting head, and the emitting head is arranged to face the air passage. The air guiding part is provided with a first position limiting structure disposed on an inner wall of the air passage, and the first position limiting structure is provided with a position limiting groove configured to receive the emitting head. The air guiding cover is arranged on a top of the inner wall of the air passage and configured to press and cover the position limiting groove, and the inner wall of the air passage is configured to support the air guiding cover.

First claim

What is claimed is:

1. A purifying device, comprising:
an air guiding part provided with an air passage;
a negative ion generator, wherein: the negative ion generator comprises an emitting head; the emitting head is arranged to face the air passage; the air guiding part is provided with a first position limiting structure disposed on an inner wall of the air passage; and the first position limiting structure is provided with a position limiting groove configured to receive the emitting head; and
an air guiding cover, arranged on a top of the inner wall of the air passage and configured to press and cover the position limiting groove, the inner wall of the air passage being configured to support the air guiding cover;
wherein the negative ion generator further comprises a negative ion high-voltage module, a negative ion generator, and connecting wires;
a motor fixing frame is arranged at a center of the air guiding part;
a negative ion high-voltage module is fixedly connected to the motor fixing frame by a threaded pole; and
the connecting wires connect the negative ion high-voltage module with the negative ion generator, and are fixed on the motor fixing frame through a wire clamping buckle provided on the motor fixing frame.

2. The purifying device according to claim 1 , wherein:
the negative ion generator is T-shaped, and is clamped on the inner wall of the air passage;
the negative ion generator comprises a lateral pole and a longitudinal pole; and
the emitting head is arranged to protrude from a side of the lateral pole proximate to the air passage.

3. The purifying device according to claim 2 , wherein:
the first position limiting structure comprises at least one second protruding part that protrudes from an inner surface the inner wall of the air passage;
the at least one second protruding part is provided with a bent portion extending upwards and is spaced apart from the inner wall of the air passage; and
the longitudinal pole is configured to be limited in an area between the bent portion and the inner wall of the air passage.

4. The purifying device according to claim 3 , wherein:
the first position limiting structure further comprises auxiliary supporting parts;
the auxiliary supporting parts are arranged at two sides of the second protruding part; and
the auxiliary supporting parts are arranged in parallel with the second protruding part and configured to support the lateral pole.

5. The purifying device according to claim 4 , wherein the auxiliary supporting parts are provided corresponding to the position limiting groove.

6. The purifying device according to claim 1 , wherein:
a second position limiting structure is provided on the air guiding cover and disposed at a position corresponding to the first position limiting structure; and
the second position limiting structure is configured to press and cover the position limiting groove.

7. The purifying device according to claim 6 , wherein:
the second position limiting structure includes a first protruding part, arranged at a lower side of the air guiding cover and extending in a direction towards a lateral pole of the negative ion generator of the negative ion generator, the first protruding part ( 11 ) is further configured to extend towards a central axis of the air guiding cover.

8. The purifying device according to claim 1 , wherein:
air guiding blades are arranged in the air passage at even intervals; and
the emitting head is arranged in a space between the air guiding blades.

9. The purifying device according to claim 1 , wherein the purifying device is an air purifier.

10. The purifying device according to claim 1 , wherein the air passage is annular and arranged along an outer edge of the air guiding part.

11. The purifying device according to claim 1 , wherein the position limiting groove has a double-groove structure adapted for installation of a cylindrical emitting head.

12. The purifying device according to claim 1 , wherein a lower end of the air guiding cover is configured to engage with the inner wall of the air passage, and the air guiding cover and the air guiding part are connected by a detachable threaded pole.

13. The purifying device according to claim 1 , wherein a motor is fixed on one side of the motor fixing frame, and the negative ion generator is fixed on another side of the motor fixing frame.

14. The purifying device according to claim 1 , wherein two connecting wires are provided and connected to and clamped in the wire clamping buckle disposed at a center of the motor fixing frame, and the negative ion generator is arranged on a side of the inner wall of the air passage proximate to the air guiding cover.

15. The purifying device according to claim 1 , wherein the negative ion generator is square or cylindrical.

16. The purifying device according to claim 3 , wherein the at least one second protruding part is in a shape of a sheet, and a distance between the bent portion and the inner wall of the air passage is equal to a thickness of the longitudinal pole, the thickness of the longitudinal pole is a distance a distance between two sides of the longitudinal pole facing the air passage and away from the air passage, respectively.

17. The purifying device according to claim 3 , wherein a plurality of groups of second protruding parts are provided, and a distance between the bent portion and the inner wall of the air passage is greater than a thickness of the longitudinal pole, the thickness of the longitudinal pole is a distance a distance between two sides of the longitudinal pole facing the air passage and away from the air passage, respectively.

18. The purifying device according to claim 7 , wherein a protruding height of the first protruding part gradually increases in a direction towards the air guiding part.

19. The purifying device according to claim 7 , wherein an auxiliary supporting part of the first position limiting structure, the first protruding part, and a second protruding part of the first position limiting structure are block-shaped.

Assignees

• Gree Electric Appliances Inc Zhuhai

Inventors

• Chen Huan
• Hu Zhentao
• Lu Yaozhen
• Hou Xuedan

Classifications

• B03C3/41

  Ionising-electrodes · CPC title

• B03C3/361

  by static mechanical means, e.g. deflector · CPC title

• B01D2259/812

  Electrons · CPC title

• B01D53/323 Primary

  by electrostatic effects or by high-voltage electric fields · CPC title

• A61L9/22

  Ionisation · CPC title