EP2762019B1 - Atomizing device and electronic cigarette having the same - Google Patents

Atomizing device and electronic cigarette having the same Download PDF

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Publication number
EP2762019B1
EP2762019B1 EP14151755.7A EP14151755A EP2762019B1 EP 2762019 B1 EP2762019 B1 EP 2762019B1 EP 14151755 A EP14151755 A EP 14151755A EP 2762019 B1 EP2762019 B1 EP 2762019B1
Authority
EP
European Patent Office
Prior art keywords
ring
heating assembly
hole
atomizing device
tobacco solution
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP14151755.7A
Other languages
German (de)
French (fr)
Other versions
EP2762019A1 (en
Inventor
Yonghai LI
Zhongli XU
Yunping Zhong
Zhanpanbo Xia
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen FirstUnion Technology Co Ltd
Original Assignee
Shenzhen FirstUnion Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen FirstUnion Technology Co Ltd filed Critical Shenzhen FirstUnion Technology Co Ltd
Publication of EP2762019A1 publication Critical patent/EP2762019A1/en
Application granted granted Critical
Publication of EP2762019B1 publication Critical patent/EP2762019B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/42—Cartridges or containers for inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/48—Fluid transfer means, e.g. pumps
    • A24F40/485—Valves; Apertures
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F15/00—Receptacles or boxes specially adapted for cigars, cigarettes, simulated smoking devices or cigarettes therefor
    • A24F15/01—Receptacles or boxes specially adapted for cigars, cigarettes, simulated smoking devices or cigarettes therefor specially adapted for simulated smoking devices or cigarettes therefor
    • A24F15/015—Receptacles or boxes specially adapted for cigars, cigarettes, simulated smoking devices or cigarettes therefor specially adapted for simulated smoking devices or cigarettes therefor with means for refilling of liquid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10—Devices using liquid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46—Shape or structure of electric heating means

Definitions

  • the present invention relates to electronic cigarettes, and particularly to an atomizing device and an electronic cigarette having the atomizing device.
  • Atomizing devices are key components of electronic cigarettes.
  • a typical atomizing device includes a reservoir cotton, a tobacco solution reserved in the reservoir cotton, and a heating assembly for heating and atomizing the tobacco solution. Then the atomized tobacco solution can be sucked by a user of the electronic cigarette.
  • the reservoir cotton may be smelly after a long time immersion, thereby the taste of the tobacco solution may be changed accordingly.
  • CN 202 456 410 U discloses an atomizing device according to the preamble of claim 1.
  • the present invention provides an atomizing device for an electronic cigarette according to claim 1.
  • an atomizing device 100 for an electronic cigarette in accordance with an embodiment of the present invention includes an atomizing sleeve 1, an air pipe 5, a heating assembly 4 fixed on the air pipe 5, a metallic ring 7 and a nozzle 3 located respectively at two ends of the air pipe 5, a heating assembly fixing base 8, and a sealing cover 2.
  • the heating assembly fixing base 8 is fixed on the metallic ring 7.
  • the sealing cover 2, air pipe 5, metallic ring 7, and heating assembly fixing base 8 are received in the atomizing sleeve 1.
  • the sealing cover 2, air pipe 5, heating assembly fixing base 8, and metallic ring 7 cooperatively define a sealed tobacco solution reserving space 11 without a reservoir cotton received therein.
  • an electrode ring 9 is fixed in the metallic ring 7, and an insulating ring 10 is located between the metallic ring 7 and the electrode ring 9.
  • the metallic ring 7 and the electrode ring 9 are respectively connected to a positive end and a negative end of a power source.
  • the heating assembly 4 includes a glass fiber core 41 and a heating coil 42 winding around the glass fiber core 41. Two ends of the heating coil 42 are connected to the electrode ring 9 and the metallic ring 7, respectively.
  • the glass fiber core 41 can absorb the tobacco solution reserved in the tobacco solution reserving space 11, and the heating coil 42 can heat the tobacco solution absorbed by the glass fiber core 41, thereby atomizing the tobacco solution. Therefore, the atomizing device 100 work properly without a conventional reservoir cotton, and the taste of the tobacco solution cannot be changed.
  • the sealing cover 2 has an air through hole 22 and a connecting groove 23.
  • the connecting groove 23 surrounds the through hole 22.
  • the air pipe 5 is inserted in the connecting groove 23 and is in communication with the through hole 22.
  • the sealing cover 2 is arranged adjacent to the nozzle 3.
  • the sealing cover 2 is made of a flexible material, and has a tobacco solution filling hole 21 configured for filling the tobacco solution into the tobacco solution reserving space 11 between the atomizing sleeve 1 and the air pipe 5.
  • the tobacco solution filling hole 21 is a blind hole. A needle can be used to fill the tobacco solution into the tobacco solution reserving space 11 during filling the tobacco solution.
  • the heating assembly fixing base 8 includes a central through hole 84, a first sidewall through hole 82, and a second sidewall through hole 83. Axes of the central through hole 84, first sidewall through hole 82, and second sidewall through hole 83 are parallel with each other. Two ends of the heating coil 42 respectively extend through the first sidewall through hole 82 and the second sidewall through hole 83, and respectively bend at an outer wall of the heating assembly fixing base 8 and an inner wall of the central through hole 84.
  • the electrode ring 9 is positioned inside the central through hole 84.
  • the heating assembly fixing base 8 further has an inserting hole 81 in communication with the central through hole 84.
  • the air pipe 5 is inserted in the inserting hole 81.
  • a tobacco solution obstructing ring 6 is arranged on the air pipe 5 inside the atomizing sleeve 1.
  • the tobacco solution obstructing ring 6 is arranged above the heating assembly 4.
  • the tobacco solution obstructing ring 6 includes a first ring 63 and a second ring 61 in communication with the first ring 63.
  • An inner diameter of the second ring 61 is greater than that of the first ring 63.
  • the second ring 61 is in contact with the heating assembly 4.
  • An outer wall of the second ring 61 has a cutout surface 62 facing toward the atomizing sleeve 1, and the cutout surface 62 is configured for controlling a rate of flow of the tobacco solution.
  • each of the tobacco solution obstructing ring 6, the sealing cover 2, the nozzle 3, and the heating assembly fixing base 8 is made of a flexible material.
  • the flexible material can be silicon or plastic material.
  • an atomizing device 200 is provided.
  • the atomizing device 200 does not form part of the invention but represents background art that is useful for understanding the invention.
  • the atomizing device 200 is essentially similar to the atomizing device 100.
  • the atomizing sleeve 1 has a tobacco solution obstructing structure 16 integrally formed thereon, so that the tobacco solution obstructing ring 6 is not needed.
  • the tobacco solution obstructing structure 16 has a through hole surrounding the air pipe 5, and an inner wall of the through hole has a cutout surface 17 facing toward the air pipe 5.
  • an electronic cigarette 400 comprising an atomizing device according to the present invention.
  • the electronic cigarette 400 includes an atomizing device 100 (200) and a battery assembly 300 connected to the atomizing device 100(200).
  • the battery assembly 300 has a chargeable battery.

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  • Catching Or Destruction (AREA)
  • Electrostatic Spraying Apparatus (AREA)

Description

    BACKGROUND 1. Technical Field
  • The present invention relates to electronic cigarettes, and particularly to an atomizing device and an electronic cigarette having the atomizing device.
    • 2. Description of Related Art
  • Atomizing devices are key components of electronic cigarettes. A typical atomizing device includes a reservoir cotton, a tobacco solution reserved in the reservoir cotton, and a heating assembly for heating and atomizing the tobacco solution. Then the atomized tobacco solution can be sucked by a user of the electronic cigarette.
  • However, as the reservoir cotton is immersed by the tobacco solution, the reservoir cotton may be smelly after a long time immersion, thereby the taste of the tobacco solution may be changed accordingly.
  • What is needed, therefore, is an atomizing device and an electronic cigarette which can overcome the above shortcomings.
  • CN 202 456 410 U discloses an atomizing device according to the preamble of claim 1.
    • SUMMARY OF THE INVENTION
  • The present invention provides an atomizing device for an electronic cigarette according to claim 1.
  • Further embodiments of the atomizing device of the present invention are provided according to the dependent claims.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • Many aspects of the present atomizing device and electronic cigarette can be better understood with reference to the following drawings. The components in the drawings are not necessarily drawn to scale, the emphasis instead being placed upon clearly illustrating the principles of the present atomizing device and electronic cigarette. Moreover, in the drawings, like reference numerals designate corresponding parts throughout the several views.
    • FIG. 1 is a cross sectional view of an atomizing device of an electronic cigarette in accordance with an embodiment of the present invention.
    • FIG. 2 is similar to FIG.1, but taken along a perpendicular line relative to FIG.1.
    • FIG. 3 is an exploded view of the atomizing device of FIG. 1.
    • FIG. 4 is a cross sectional view of an air pipe and a sealing cover shown in FIG. 3.
    • FIG. 5 is a schematic isometric view of the sealing cover of FIG. 4.
    • FIG. 6 is a schematic isometric view of a heating assembly fixing base shown in FIG. 3.
    • FIG. 7 is a schematic isometric view of a tobacco solution obstructing ring shown in FIG. 3.
    • FIG. 8 is a cross sectional view of an atomizing device of an electronic cigarette which does not form part of the invention but represents background art that is useful for understanding the invention.
    • FIG. 9 is a schematic view of an electronic cigarette comprising an atomizing device according to the present invention.
    DETAILED DESCRIPTION
  • Embodiments of the present electronic cigarette will now be described in detail below and with references to the drawings.
  • Referring to FIGs. 1 to 3, an atomizing device 100 for an electronic cigarette in accordance with an embodiment of the present invention is provided. The atomizing device 100 includes an atomizing sleeve 1, an air pipe 5, a heating assembly 4 fixed on the air pipe 5, a metallic ring 7 and a nozzle 3 located respectively at two ends of the air pipe 5, a heating assembly fixing base 8, and a sealing cover 2. The heating assembly fixing base 8 is fixed on the metallic ring 7. The sealing cover 2, air pipe 5, metallic ring 7, and heating assembly fixing base 8 are received in the atomizing sleeve 1. The sealing cover 2, air pipe 5, heating assembly fixing base 8, and metallic ring 7 cooperatively define a sealed tobacco solution reserving space 11 without a reservoir cotton received therein.
  • In addition, an electrode ring 9 is fixed in the metallic ring 7, and an insulating ring 10 is located between the metallic ring 7 and the electrode ring 9. The metallic ring 7 and the electrode ring 9 are respectively connected to a positive end and a negative end of a power source.
  • The heating assembly 4 includes a glass fiber core 41 and a heating coil 42 winding around the glass fiber core 41. Two ends of the heating coil 42 are connected to the electrode ring 9 and the metallic ring 7, respectively. The glass fiber core 41 can absorb the tobacco solution reserved in the tobacco solution reserving space 11, and the heating coil 42 can heat the tobacco solution absorbed by the glass fiber core 41, thereby atomizing the tobacco solution. Therefore, the atomizing device 100 work properly without a conventional reservoir cotton, and the taste of the tobacco solution cannot be changed.
  • Referring to FIGs. 4 and 5, the sealing cover 2 has an air through hole 22 and a connecting groove 23. The connecting groove 23 surrounds the through hole 22. The air pipe 5 is inserted in the connecting groove 23 and is in communication with the through hole 22. The sealing cover 2 is arranged adjacent to the nozzle 3. The sealing cover 2 is made of a flexible material, and has a tobacco solution filling hole 21 configured for filling the tobacco solution into the tobacco solution reserving space 11 between the atomizing sleeve 1 and the air pipe 5. The tobacco solution filling hole 21 is a blind hole. A needle can be used to fill the tobacco solution into the tobacco solution reserving space 11 during filling the tobacco solution. As the tobacco solution reserving space 11 is sealed, a negative pressure is formed in the tobacco solution reserving space 11 after the tobacco solution is used, thereby the tobacco solution would not leak out through the metallic ring 7 and the electrode ring 9 even when the atomizing device 100 stands upwards.
  • Referring to FIG. 6, the heating assembly fixing base 8 includes a central through hole 84, a first sidewall through hole 82, and a second sidewall through hole 83. Axes of the central through hole 84, first sidewall through hole 82, and second sidewall through hole 83 are parallel with each other. Two ends of the heating coil 42 respectively extend through the first sidewall through hole 82 and the second sidewall through hole 83, and respectively bend at an outer wall of the heating assembly fixing base 8 and an inner wall of the central through hole 84. The electrode ring 9 is positioned inside the central through hole 84.
  • Referring to FIG.2 and FIG. 6, the heating assembly fixing base 8 further has an inserting hole 81 in communication with the central through hole 84. The air pipe 5 is inserted in the inserting hole 81.
  • Referring to FIG. 1 again, a tobacco solution obstructing ring 6 is arranged on the air pipe 5 inside the atomizing sleeve 1. The tobacco solution obstructing ring 6 is arranged above the heating assembly 4. Referring to FIG. 7, the tobacco solution obstructing ring 6 includes a first ring 63 and a second ring 61 in communication with the first ring 63. An inner diameter of the second ring 61 is greater than that of the first ring 63. In the present embodiment, the second ring 61 is in contact with the heating assembly 4. An outer wall of the second ring 61 has a cutout surface 62 facing toward the atomizing sleeve 1, and the cutout surface 62 is configured for controlling a rate of flow of the tobacco solution.
  • In the present embodiment, each of the tobacco solution obstructing ring 6, the sealing cover 2, the nozzle 3, and the heating assembly fixing base 8 is made of a flexible material. The flexible material can be silicon or plastic material.
  • Referring to FIG.8, an atomizing device 200 is provided. The atomizing device 200 does not form part of the invention but represents background art that is useful for understanding the invention. The atomizing device 200 is essentially similar to the atomizing device 100. In the present embodiment, the atomizing sleeve 1 has a tobacco solution obstructing structure 16 integrally formed thereon, so that the tobacco solution obstructing ring 6 is not needed. The tobacco solution obstructing structure 16 has a through hole surrounding the air pipe 5, and an inner wall of the through hole has a cutout surface 17 facing toward the air pipe 5.
  • Referring to FIG. 9, an electronic cigarette 400 comprising an atomizing device according to the present invention is provided. The electronic cigarette 400 includes an atomizing device 100 (200) and a battery assembly 300 connected to the atomizing device 100(200). The battery assembly 300 has a chargeable battery.
  • It is understood that the above-described embodiments are intended to illustrate rather than limit the disclosure. Variations may be made to the embodiments without departing from the scope of the appended claims.

Claims (6)

  1. An atomizing device (100) for an electronic cigarette, comprising:
    an atomizing sleeve (1);
    an air pipe (5) located inside the atomizing sleeve (1);
    a heating assembly (4) arranged on the air pipe (5);
    a heating assembly fixing base (8) fixing and supporting the heating assembly (4);
    a metallic sleeve (7) supporting the heating assembly fixing base (8); and
    a sealing cover (2), wherein the sealing cover (2) and the heating assembly fixing base (8) are respectively located at two opposite ends of the air pipe (5), and the atomizing sleeve (1), the air pipe (5), the sealing cover (2), the heating assembly fixing base (8), and the metallic sleeve (7) cooperatively define a sealed tobacco solution reserving space (11) without a reservoir cotton received therein; and
    a tobacco solution obstructing ring (6) arranged on the air pipe (5) and above the heating assembly (4), wherein the tobacco solution obstructing ring (6) comprises a first ring (63) and a second ring (61) in communication with the first ring (63), a diameter of the second ring (61) is greater than that of the first ring (63), and the second ring (61) is in contact with the heating assembly (4);
    the atomizing device being characterized in that an outer wall of the second ring (61) has a cutout surface (62) facing toward the atomizing sleeve (1), the cutout surface (62) being configured for controlling a rate of flow of the tobacco solution.
  2. The atomizing device of claim 1, wherein the tobacco solution obstructing ring (6) is made of a flexible material.
  3. The atomizing device of claim 1, wherein the sealing cover (2) is made of a flexible material, the sealing cover (2) has a tobacco solution filling hole (21), and the tobacco solution filling hole is a blind hole (21).
  4. The atomizing device of claim 1, wherein the heating assembly (4) comprises a glass fiber core (41) and a heating coil (42) winding around the glass fiber core (41); the heating assembly fixing base (8) comprises a central through hole (84), a first sidewall through hole (82) and a second sidewall through hole (83), two ends of the heating coil (42) respectively extend through the first sidewall through hole (82) and the second sidewall through hole (83), and respectively bend at an outer wall of the heating assembly fixing base (8) and an inner wall of the central through hole (84).
  5. The atomizing device of claim 1, further comprising a nozzle arranged on the sealing cover (2) and in communication with the air pipe (5).
  6. An electronic cigarette comprising an atomizing device of claim 1, and a battery assembly connected to the atomizing device.
EP14151755.7A 2013-01-31 2014-01-20 Atomizing device and electronic cigarette having the same Active EP2762019B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013200573945U CN203072896U (en) 2013-01-31 2013-01-31 Electronic cigarette and atomizer for electronic cigarette

Publications (2)

Publication Number Publication Date
EP2762019A1 EP2762019A1 (en) 2014-08-06
EP2762019B1 true EP2762019B1 (en) 2018-08-15

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US (1) US20140209108A1 (en)
EP (1) EP2762019B1 (en)
CN (1) CN203072896U (en)

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