Ultrasonic atomizer and electronic cigarette

Patent metadata

Field	Value
Publication number	US-10531687-B2
Application number	US-201615578561-A
Country	US
Kind code	B2
Filing date	Jun 22, 2016
Priority date	May 16, 2016
Publication date	Jan 14, 2020
Grant date	Jan 14, 2020

Abstract

Embodiments of the present invention disclose an ultrasonic atomizer and electronic cigarette. The ultrasonic atomizer comprises a liquid storage cavity and a piezoelectric ceramic piece both are provided in an outer sleeve the plane where the piezoelectric ceramic piece is located is parallel to the axial line of the outer sleeve; at least one surface of the piezoelectric ceramic piece is in contact with a liquid storage body; the liquid storage body communicates with the liquid storage cavity; and an atomization surface of the piezoelectric ceramic piece communicates with an air passage.

First claim

The invention claimed is:

1. An ultrasonic atomizer, wherein the ultrasonic atomizer comprises a liquid storage cavity, an ultrasonic oscillation component and an air passage provided in an outer sleeve, and an electrode electrically connected with an external power supply for driving oscillation of the ultrasonic oscillation component; the ultrasonic oscillation component comprises a piezoelectric ceramic piece and a liquid storage body; the piezoelectric ceramic piece is provided to extend along the longitudinal direction of the ultrasonic atomizer; at least one surface of the piezoelectric ceramic piece is in contact with the liquid storage body; the liquid storage body communicates with the liquid storage cavity; and the liquid storage body communicates with the air passage.

2. The ultrasonic atomizer of claim 1 , wherein the liquid storage cavity and the piezoelectric ceramic piece are provided side by side.

3. The ultrasonic atomizer of claim 2 , wherein the ultrasonic atomizer further comprises a side cover; the side cover is covered on one side of the outer sleeve; an accommodation cavity is provided in the side cover; and the piezoelectric ceramic piece is provided in the accommodation cavity.

4. The ultrasonic atomizer of claim 3 , wherein the ultrasonic atomizer further comprises a bracket and a fixing base; a cavity for accommodating the ultrasonic oscillation component is provided in the fixing base, the ultrasonic oscillation component is fixed in the fixing base, and the fixing base is embedded in the accommodation cavity through the bracket.

5. The ultrasonic atomizer of claim 4 , wherein a first vent groove is provided in the bracket, a second vent groove is provided in the fixing base, and both of the first vent groove and the second vent groove communicate with the surface of the liquid storage body which is deviated from the piezoelectric ceramic piece.

6. The ultrasonic atomizer of claim 1 , wherein the piezoelectric ceramic piece is provided above the liquid storage cavity.

7. The ultrasonic atomizer of claim 6 , Wherein both sides of the piezoelectric ceramic piece are in contact with the liquid storage body, and the surface of the liquid storage body which is deviated from the piezoelectric ceramic piece communicates with the air passage.

8. The ultrasonic atomizer of claim 6 , wherein an elastic mounting sleeve is provided in the outer sleeve; an accommodation groove for accommodating the piezoelectric ceramic piece and the liquid storage body is provided in the elastic mounting sleeve, and the wall of the accommodation groove is in elastically contact with the piezoelectric ceramic piece and the liquid storage body.

9. The ultrasonic atomizer of claim 8 , Wherein a first outer cover and a second outer cover for fixing the piezoelectric ceramic piece are respectively provided on one side and the other side of the elastic mounting sleeve; and vent grooves communicating with the air passage are provided in both of the first outer cover and the second outer cover, and the vent grooves respectively communicate with the air passage on one side and the other side of the piezoelectric ceramic piece.

10. The ultrasonic atomizer of claim 9 , wherein a first through hole is provided in the middle of the first outer cover, a fixing groove is provided in one surface of the second outer cover which is faced to the first outer cover, the piezoelectric ceramic piece is provided in the fixing groove, and a second through hole is provided in the wall of the fixing groove which is faced to the first through hole; and the first through hole and the second through hole are respectively provided on one side and the other side of the piezoelectric ceramic piece and both of them communicate with the air passage through the vent grooves.

11. The ultrasonic atomizer of claim 10 , wherein sealing pads are provided on the surface of the first outer cover and on the surface of the second outer cover which are deviated from the piezoelectric ceramic piece, and gaps are provided between the sealing pads and the surface of the liquid storage body which is deviated from the piezoelectric ceramic piece.

12. The ultrasonic atomizer of claim 1 , wherein one end of the outer sleeve is connected with a suction nozzle, and the suction nozzle communicates with the air passage.

13. The ultrasonic atomizer of claim 11 , wherein one end of the liquid storage body which is away from the suction nozzle is inserted into the liquid storage cavity.

14. The ultrasonic atomizer of claim 1 , wherein the liquid storage body is located on the surface of the piezoelectric ceramic piece, and the surface of the liquid storage body which is deviated from the piezoelectric ceramic piece communicates with the air passage.

15. The ultrasonic atomizer of claim 12 , wherein the liquid storage body is made of a tobacco tar absorption material and is of platy structure, and the liquid storage body is provided on the piezoelectric ceramic piece.

16. Electronic cigarette, wherein the electronic cigarette comprises the ultrasonic atomizer of claim 1 and a power supply component for providing a working power supply for the ultrasonic atomizer.

17. The electronic cigarette of claim 16 , wherein the ultrasonic atomizer is in screw joint, plug connection or magnetic connection with the power supply component.

Assignees

• China Tobacco Hunan Ind Co Ltd

Inventors

• Liu Jianfu
• Zhong Kejun
• Guo Xiaoyi
• Huang Wei
• Dai Yuangang
• Yin Xinqiang
• Yi Jianhua
• Yu Hong
• Wang Yang
• He Youlin

Classifications

• A24F40/40

  Constructional details, e.g. connection of cartridges and battery parts · CPC title

• A24F40/00

  Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor · CPC title

• A61M15/06

  Inhaling appliances shaped like cigars, cigarettes or pipes · CPC title

• A24F47/002

  Human Necessities · mapped topic

• A24F47/008 Primary

  Human Necessities · mapped topic