Disposable cigarette cartridge, atomizer and electronic cigarette

Patent metadata

Field	Value
Publication number	US-11324253-B2
Application number	US-201716322737-A
Country	US
Kind code	B2
Filing date	May 2, 2017
Priority date	Aug 4, 2016
Publication date	May 10, 2022
Grant date	May 10, 2022

Abstract

A disposable cigarette cartridge, atomizer and electronic cigarette, wherein the disposable cigarette cartridge comprises a hollow shell, a tobacco tar storage device located in the shell, a suction nozzle connected with the upper end of the shell, a tobacco tar guide seat connected with the lower end of the shell, and a tobacco tar guide body installed on the tobacco tar guide seat; the tobacco tar guide body extends into the tobacco tar storage device; and an air passage is arranged in the shell, one end of the air passage is communicated with the suction nozzle, and the other end of the air passage is communicated with a heating surface of the tobacco tar guide body.

First claim

The invention claimed is:

1. A disposable cigarette cartridge detachably connectable with an atomizing core, which comprises an ultrasonic atomizing sheet, the disposable cigarette cartridge comprising a hollow shell, a tobacco tar storage device located in the shell, a suction nozzle connected with the upper end of the shell, a tobacco tar guide seat connected with the lower end of the shell, and a tobacco tar guide body installed on the tobacco tar guide seat;
the tobacco tar guide body extends into the tobacco tar storage device; and
an air passage is arranged in the shell, one end of the air passage is communicated with the suction nozzle, and the other end of the air passage is communicated with a heating surface of the tobacco tar guide body;
the disposable cigarette cartridge further comprises a tobacco tar bead blocking structure, wherein the tobacco tar bead blocking structure props against one surface of the tobacco tar guide body away from the ultrasonic atomizing sheet;
the tobacco tar bead blocking structure comprises a tower spring, a pitch value of the tower spring is less than or equal to a line diameter value of the tower spring, the tower spring is located on one side where the atomizing surface of the ultrasonic atomizing sheet is located, and a center line of the tower spring is vertical to the ultrasonic atomizing sheet.

2. The disposable cigarette cartridge according to claim 1 , wherein a tobacco tar cup component is arranged in the shell, the tobacco tar cup component comprises a sealed tobacco tar cup shell and a tobacco tar cavity located in the tobacco tar cup shell; the bottom of the tobacco tar cup shell of the tobacco tar cup component is sealed by the tobacco tar guide seat, a recessed portion is arranged at the middle of the tobacco tar guide seat, and a tobacco tar isolation seat is installed in the recessed portion;
the tobacco tar isolation seat is T-shaped and comprises a vertical portion and a flange edge located at the top of the vertical portion, the vertical portion is inserted into the recessed portion, a first gap is reserved between the vertical portion and the inner wall of the recessed portion, the tobacco tar guide cotton is arranged in the first gap, and a tobacco tar pass hole communicated with the tobacco tar cavity is formed in a position corresponding to the tobacco tar guide cotton on the flange edge; and
the outer wall of the vertical portion is wrapped with the tobacco tar guide body, the side face of the tobacco tar guide body props against the tobacco tar guide cotton, and the bottom of the tobacco tar guide body props against the ultrasonic atomizing sheet.

3. The disposable cigarette cartridge according to claim 2 , wherein a cotton pressing spring is sleeved on the lower end of the vertical portion, the cotton pressing spring is wrapped by the tobacco tar guide body, and the lower end of the cotton pressing spring props against the inner surface of the bottom of the tobacco tar guide body.

4. The disposable cigarette cartridge according to claim 1 , wherein the tobacco tar bead blocking structure further comprises a pressing member fixedly arranged at the bottom of the tower spring, an air outlet groove is formed in the pressing member, and the pressing member props against the atomizing surface of the ultrasonic atomizing sheet.

5. The disposable cigarette cartridge according to claim 4 , wherein the pressing member is a non-contact planar spiral spring that is vertical to the tower spring.

6. The disposable cigarette cartridge according to claim 5 , wherein the tower spring is fixedly connected with the pressing member through a cylindrical spring which is coaxial with the tower spring, the top of the tower spring is connected with the top of the cylindrical spring, the bottom of the cylindrical spring is integrally formed with the non-contact planar spiral spring, and the diameters of the coils of the tower spring decrease progressively from top to bottom.

7. The disposable cigarette cartridge according to claim 5 , wherein the tower spring is fixedly connected with the pressing member through a cylindrical spring which is coaxial with the tower spring, the bottom of the tower spring is integrally formed with the top of the cylindrical spring, the bottom of the cylindrical spring is integrally formed with the non-contact planar spiral spring, and the diameters of the coils of the tower spring increase progressively from top to bottom.

8. The disposable cigarette cartridge according to claim 6 , wherein the disposable cigarette cartridge further comprises an air pipe, wherein a cigarette cartridge connecting sleeve is connected to the bottom of the side wall of the shell, the tobacco tar guide seat is arranged in the cigarette cartridge connecting sleeve, the tobacco tar guide body is a U-shaped tobacco tar guide cotton sheet, the tobacco tar cavity which accommodates the tobacco tar is enclosed among the tobacco tar guide seat, the shell and the air pipe, the bottom surface of the tobacco tar guide body is located below the tobacco tar guide seat, and the two side walls of the tobacco tar guide body are communicated with the tobacco tar cavity through the tobacco tar pass hole in the tobacco tar guide seat; a vertical vent hole is formed in the tobacco tar guide seat, and the vent hole is communicated with the outside through the air pipe; and a limiting portion which props against the top end of the cylindrical spring is arranged on the side wall of the vent hole, and the non-contact planar spiral spring props against the inner bottom surface of the tobacco tar guide body.

9. The disposable cigarette cartridge according to claim 7 , wherein the disposable cigarette cartridge further comprises an air pipe, wherein a cigarette cartridge connecting sleeve is connected to the bottom of the side wall of the shell, the tobacco tar guide seat is arranged in the cigarette cartridge connecting sleeve, the tobacco tar guide body is a U-shaped tobacco tar guide cotton sheet, the tobacco tar cavity which accommodates the tobacco tar is enclosed among the tobacco tar guide seat, the shell and the air pipe, the bottom surface of the tobacco tar guide body is located below the tobacco tar guide seat, and the two side walls of the tobacco tar guide body are communicated with the tobacco tar cavity through the tobacco tar pass hole in the tobacco tar guide seat; a vertical vent hole is formed in the tobacco tar guide seat, and the vent hole is communicated with the outside through the air pipe; and a limiting portion which props against the top end of the cylindrical spring is arranged on the side wall of the vent hole, and the non-contact planar spiral spring props against the inner bottom surface of the tobacco tar guide body.

10. An atomizer, comprising an atomizing core component, wherein the atomizing core component comprises the ultrasonic atomizing sheet, and the disposable cigarette cartridge according to claim 1 , and the outer bottom surface of the tobacco tar guide body props against the atomizing surface of the ultrasonic atomizing sheet.

11. An electronic cigarette, comprising a power supply module, wherein the electronic cigarette further comprises the atomizer according to claim 10 , and the power supply module is electrically connected with the ultrasonic atomizing sheet.

12. The electronic cigarette according to claim 11 , wherein the disposable cigarette cartridge is detachably connected with the atomizing core component, the power supply module is electrically connected with the lower end of the atomizing core component, the tobacco tar guide seat is fixed in a cigarette cartridge connecting sleeve, and the cigarette cartridge con

Assignees

• China Tobacco Hunan Ind Co Ltd

Inventors

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

Classifications

• A24F40/10

  Devices using liquid inhalable precursors · CPC title

• A24F40/05 Primary

  Devices without heating means · CPC title

• A24F40/46

  Shape or structure of electric heating means · CPC title

• B05B17/06

  using ultrasonic {or other kinds of} vibrations · CPC title

• A24F40/42 Primary

  Cartridges or containers for inhalable precursors · CPC title