Cotton-free ultrasonic atomizer and electronic cigarette

Abstract

A cotton-free ultrasonic atomizer and electronic cigarette, comprising a tobacco tar cup, an air inlet passage, a tobacco tar smoke outlet passage and an atomization component; the atomization component includes a first atomization piece and a second atomization piece; an atomization cavity is formed between the first atomization piece and the second atomization piece, and an ejection end of the first atomization piece aligns to an atomization surface of the second atomization piece; the first atomization piece communicates with a tobacco tar outlet of the tobacco tar cup, the air inlet passage communicates with the atomization cavity, and the atomization cavity communicates with the tobacco tar smoke outlet passage.

Claims

1. A cotton-free ultrasonic atomizer, comprising a tobacco tar cup, an air inlet passage, a tobacco tar smoke outlet passage and an atomization component, wherein the atomization component comprises a first atomization piece and a second atomization piece; an atomization cavity is formed between the first atomization piece and the second atomization piece, and an ejection end of the first atomization piece aligns to an atomization surface of the second atomization piece; the first atomization piece communicates with a tobacco tar outlet of the tobacco tar cup, the air inlet passage communicates with the atomization cavity, and the atomization cavity communicates with the tobacco tar smoke outlet passage; and a hole is provided in the first atomization piece, and the second atomization piece is a solid atomization piece.

2. The cotton-free ultrasonic atomizer of claim 1, wherein the first atomization piece and the second atomization piece are both provided on an inner side of the tobacco tar cup.

3. The cotton-free ultrasonic atomizer of claim 1, wherein the first atomization piece and the second atomization piece are fixed in a hollow cavity of a silica gel base, and the atomization cavity is formed by enclosure of an inner wall surface of the silica gel base, the first atomization piece and the second atomization piece; and a vent groove hole which communicates with the air inlet passage and a smoke discharge hole which communicates with the tobacco tar smoke outlet passage are provided in a side wall of the silica gel base.

4. The cotton-free ultrasonic atomizer of claim 1, wherein an upper cover is fixed to a top of the tobacco tar cup through an annular upper base, and a suction nozzle is installed on an upper end of the upper cover; a first pipe located in the tobacco tar cup and a second pipe sheathed in the first pipe are installed on a lower end of the upper cover; a gap between the first pipe and the second pipe forms the air inlet passage which communicates with the atomization cavity; a vent hole groove which communicates with the air inlet passage is provided in a side wall of the upper cover; and an inner passage of the second pipe communicates with the suction nozzle to form the tobacco tar smoke outlet passage which communicates with the atomization cavity.

5. The cotton-free ultrasonic atomizer of claim 4, wherein the annular upper base is in threaded connection with the upper cover.

6. The cotton-free ultrasonic atomizer of claim 4, wherein a bottom end of the first pipe and a bottom end of the second pipe are both fixed to a fixing base, a silica gel base is fixed in the fixing base and the silica gel base fixes the first atomization piece and the second atomization piece, and an air inlet hole which communicates with the air inlet passage and a tobacco tar smoke discharge hole which communicates with the tobacco tar smoke outlet passage are provided in a side wall of the fixing base located in the tobacco tar cup.

7. The cotton-free ultrasonic atomizer of claim 6, wherein an outer electrode ring and an inner electrode ring installed on an inner side of the outer electrode ring through an insulating ring, are installed on a lower end of the fixing base; a lower base is fixed to a bottom end of the tobacco tar cup, a connection electrode ring is installed on an inner side of the lower base through a connection insulating ring, and the connection electrode ring is in electrical connection with the inner electrode ring; and the inner electrode ring is in electrical connection with the first atomization piece and the second atomization piece through conducting wires respectively.

8. The cotton-free ultrasonic atomizer of claim 7, wherein the first atomization piece is located above the second atomization piece, the fixing base comprises an inner cylinder and an outer cylinder, a tobacco tar inlet hole is provided in an upper part of the wall surface of the outer cylinder, and the tobacco tar inlet hole communicates with an upper end face of the first atomization piece.

9. The cotton-free ultrasonic atomizer of claim 7, wherein the first atomization piece is located below the second atomization piece, a tobacco tar inlet hole is provided in a side wall of the outer electrode ring, and the tobacco tar inlet hole communicates with a lower end face of the first atomization piece.

10. The cotton-free ultrasonic atomizer of claim 1, wherein an aperture of the first atomization piece is 40-100 μm.

11. The cotton-free ultrasonic atomizer of claim 10, wherein the aperture of the first atomization piece is 45-60 μm.

12. An Electronic cigarette, comprising a battery component and an ultrasonic atomizer, wherein the ultrasonic atomizer is a cotton-free ultrasonic atomizer comprising a tobacco tar cup, an air inlet passage, a tobacco tar smoke outlet passage and an atomization component, wherein the atomization component comprises a first atomization piece and a second atomization piece; an atomization cavity is formed between the first atomization piece and the second atomization piece, and an ejection end of the first atomization piece aligns to an atomization surface of the second atomization piece; the first atomization piece communicates with a tobacco tar outlet of the tobacco tar cup, the air inlet passage communicates with the atomization cavity, and the atomization cavity communicates with the tobacco tar smoke outlet passage; and a hole is provided in the first atomization piece, and the second atomization piece is a solid atomization piece, and the battery component respectively supplies power to the first atomization piece and the second atomization piece of the cotton-free ultrasonic atomizer.

13. The electronic cigarette of claim 12, wherein the first atomization piece and the second atomization piece are fixed in a hollow cavity of a silica gel base, and the atomization cavity is formed by enclosure of an inner wall surface of the silica gel base, the first atomization piece and the second atomization piece; and a vent groove hole which communicates with the air inlet passage and a smoke discharge hole which communicates with the tobacco tar smoke outlet passage are provided in a side wall of the silica gel base.

14. The electronic cigarette of claim 12, wherein an upper cover is fixed to a top of the tobacco tar cup through an annular upper base, and a suction nozzle is installed on an upper end of the upper cover; a first pipe located in the tobacco tar cup and a second pipe sheathed in the first pipe are installed on a lower end of the upper cover; a gap between the first pipe and the second pipe forms the air inlet passage which communicates with the atomization cavity; a vent hole groove which communicates with the air inlet passage is provided in a side wall of the upper cover; and an inner passage of the second pipe communicates with the suction nozzle to form the tobacco tar smoke outlet passage which communicates with the atomization cavity.

15. The electronic cigarette of claim 12, wherein a bottom end of the first pipe and a bottom end of the second pipe are both fixed to a fixing base, a silica gel base is fixed in the fixing base and the silica gel base fixes the first atomization piece and the second atomization piece, and an air inlet hole which communicates with the air inlet passage and a tobacco tar smoke discharge hole which communicates with the tobacco tar smoke outlet passage are provided in a side wall of the fixing base located in the tobacco tar cup.

16. The electronic cigarette of claim 15, wherein an outer electrode ring and an inner electrode ring installed on an inner side of the outer electrode ring through an insulating ring, are installed on a lower end of the fixing base; a lower base is fixed to a bottom end of the tobacco tar cup, a connection electrode ring is installed on an inner side of the lower base through a connection insulating ring, and the connection electrode ring is in electrical connection with the inner electrode ring; and the inner electrode ring is in electrical connection with the first atomization piece and the second atomization piece through conducting wires respectively.

17. The electronic cigarette of claim 16, wherein the first atomization piece is located above the second atomization piece, the fixing base comprises an inner cylinder and an outer cylinder, a tobacco tar inlet hole is provided in an upper part of the wall surface of the outer cylinder, and the tobacco tar inlet hole communicates with an upper end face of the first atomization piece.

18. The electronic cigarette of claim 16, wherein the first atomization piece is located below the second atomization piece, a tobacco tar inlet hole is provided in a side wall of the outer electrode ring, and the tobacco tar inlet hole communicates with a lower end face of the first atomization piece.

19. The electronic cigarette of claim 12, wherein an aperture of the first atomization piece is 40-100 μm.

20. The electronic cigarette of claim 19, wherein the aperture of the first atomization piece is 45-60 μm.

Description

DESCRIPTION OF FIGURES

(1) FIG. 1 is an explosive schematic diagram of embodiment 1 of the present invention;

(2) FIG. 2 is a structural schematic diagram of an atomization core in FIG. 1;

(3) FIG. 3 is a structural schematic diagram of a tobacco tar cup component in FIG. 1;

(4) FIG. 4 is an outline view of FIG. 1;

(5) FIG. 5 is a sectional view along an inlet direction in embodiment 1;

(6) FIG. 6 is an A-A sectional view of FIG. 5;

(7) FIG. 7 is an explosive schematic diagram of embodiment 2 of the present invention;

(8) FIG. 8 is a structural schematic diagram of an atomization core in FIG. 7;

(9) FIG. 9 is a structural schematic diagram of a tobacco tar cup component in FIG. 7;

(10) FIG. 10 is a sectional view along an inlet direction in embodiment 2.

SPECIFIC MODE FOR CARRYING OUT THE INVENTION

(11) Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments in the present invention and the features in the embodiments can be combined with each other without conflicts. For the convenience of illustration, the words “upper”, “lower”, “left” and “right” appearing in the following text only indicate the upper, lower, left and right directions of the drawing and are not intended to limit the structure.

Embodiment 1

(12) A cotton-free ultrasonic atomizer, as shown in FIG. 1 to FIG. 3, includes a tobacco tar cup 14, an upper cover 2 is fixed to the top of the tobacco tar cup 14 through an annular upper base 12, and a suction nozzle 1 is installed on the upper cover 2; the upper base 12 is in threaded connection with the upper cover 2, and a sealing ring 13 is provided between the upper base 12 and a top end of the tobacco tar cup 14. A first pipe 3 located in the tobacco tar cup 14 and a second pipe 4 sheathed in the first pipe 3 are installed on a lower end of the upper cover 2; a gap between the first pipe 3 and the second pipe 4 forms an air inlet passage, and a vent hole groove 19 which communicates with the air inlet passage is provided in a side wall of the upper cover 2; and an inner passage of the second pipe 4 communicates with the suction nozzle 1 to form a tobacco tar smoke outlet passage which communicates with the suction nozzle 1.

(13) As shown in FIG. 2 and FIG. 3, the atomization component of the present invention includes a first atomization piece 7 for performing first stage oscillating atomization on tobacco tar and a second atomization piece 6 for performing second stage oscillating atomization on the tobacco tar, wherein the first atomization piece 7 and the second atomization piece 6 are both fixed in a hollow cavity of a silica gel base 8, the silica gel base 8 is of a hollow structure, and a second atomization piece fixing groove 23 and a first atomization piece fixing groove 24 are provided in an inner wall of the silica gel base 8. An inner wall surface of the silica gel base 8, the first atomization piece 7 and the second atomization piece 6 are enclosed to form an atomization cavity. A vent groove hole 22 which communicates with the air inlet passage and a smoke discharge hole which communicates with the tobacco tar smoke outlet passage are provided in the side wall of the silica gel base 8. The upper base 12 is in threaded connection with the upper cover 2. The first atomization piece 7 and the second atomization piece 6 are provided at the central position of the tobacco tar cup 14, the air inlet passage communicates with the atomization cavity, and the atomization cavity communicates with the tobacco tar smoke outlet passage.

(14) An ejection end of the first atomization piece 7 aligns to an atomization surface of the second atomization piece 6; and the first atomization piece 7 communicates with a tobacco tar outlet of the tobacco tar cup 14.

(15) As shown in FIG. 4, an vent 27 which communicates with the vent hole groove 19 of the upper cover 2 is provided in the side wall of the suction nozzle 1.

(16) As shown in FIG. 2, the bottom end of the first pipe 3 and the bottom end of the second pipe 4 are fixed to a fixing base 5, the silica gel base 8 is fixed in the fixing base 5 and the silica gel base 8 fixes the first atomization piece 7 and the second atomization piece 6, and an air inlet hole 20 which communicates with the air inlet passage and a tobacco tar smoke discharge hole 21 which communicates with the tobacco tar smoke outlet passage are provided in the side wall of the fixing base 5 located in the tobacco tar cup 14. An outer electrode ring 9 and an inner electrode ring 11 installed on the inner side of the outer electrode ring 9 through an insulating ring 10 are installed on the lower end of the fixing base 5; and a lower base 16 is fixed to the bottom end of the tobacco tar cup 14, and a sealing ring 15 is provided between the lower base 16 and the bottom end of the tobacco tar cup 14. A connection electrode ring 18 is installed on the inner side of the lower base 16 through a connection insulating ring 17, and the connection electrode ring 18 is in electrical connection with the inner electrode ring 11; and the inner electrode ring 11 is in electrical connection with the first atomization piece 7 and the second atomization piece 6 through conducting wires respectively.

(17) In the present embodiment, the first atomization piece 7 is located above the second atomization piece 6, the fixing base 5 includes an inner cylinder and an outer cylinder, a tobacco tar inlet hole 28 is provided in an upper part of the wall surface of the outer cylinder, and the tobacco tar inlet hole 28 communicates with an upper end face of the first atomization piece 7.

(18) In the present embodiment, the aperture of the first atomization piece 7 is 40-100 μm, oscillating atomization is carried out on tobacco tar 26 by the first atomization piece 7 to form 50-120 μm large-granule tobacco tar smoke, the tobacco tar smoke is ejected to the atomization surface of the high-frequency atomization piece 6, and the high-frequency atomization piece 6 carries out oscillating atomization on the tobacco tar smoke to form 70-130 nm small-granule tobacco tar smoke.

(19) Electronic cigarette includes a battery component and an ultrasonic atomizer; the ultrasonic atomizer is the above-mentioned cotton-free ultrasonic atomizer, and the battery component supplies power to the first atomization piece 7 and the second atomization piece 6 of the cotton-free ultrasonic atomizer respectively.

(20) In the present embodiment, the vibration frequency of the first atomization piece 7 is 100 KHZ-200 KHZ, the second atomization piece 6 is of a solid structure, and its vibration frequency is 1 MHZ-3 MHZ.

(21) The present embodiment has the following advantages:

(22) 1. The first ultrasonic atomization piece is used for supplying quantitative small-granule tobacco tar, and then the high-frequency ultrasonic atomization piece is used for atomizing the small-granule tobacco tar.

(23) 2. The integrated atomizer is free of cotton structure, free of the burnt flavor and is free of the tobacco tar submersion phenomenon, the problem that the smoke taste is affected or the tobacco tar deteriorates due to the presence of cotton is avoided, the shelf life of the tobacco tar is effectively prolonged, and the smoke taste is purer.

(24) 3. As shown in FIG. 5 and FIG. 6, the two atomization pieces are placed flatwise, the atomization surfaces align to each other, and the first atomization piece is provided on the second atomization piece, which is beneficial for the tobacco tar in the tobacco tar cavity to provide fast tobacco tar supply for the first atomization piece; and the first atomization piece ejects the tobacco tar downwards to the surface of the second atomization piece, and the second atomization piece atomizes the tobacco tar ejected out by the first atomization piece.

(25) 4. The airflow enters from the suction nozzle, and then the smoke atomized by the second atomization piece is discharged from the second pipe to be inhaled by the user, and this can prevent the user from inhaling the tiny tobacco tar on the first atomization piece.

(26) 5. The atomizer and the battery are locked and extruded by a locking ring with threads to realize contact electric conduction.

(27) 6. The suction nozzle is unscrewed to pull out the atomization core, and then the tobacco tar 26 can be injected to the tobacco tar cup.

Embodiment 2

(28) According to the cotton-free ultrasonic atomizer, as shown in FIG. 7 to FIG. 9, the first atomization piece 7 is located below the second atomization piece 6, a tobacco tar inlet hole 25 is provided in the side wall of the outer electrode ring 9, the tobacco tar inlet hole 25 communicates with a lower end face of the first atomization piece 7, the rest structure is similar to that of embodiment 1, and thus will not be repeated redundantly.

(29) As shown in FIG. 10, the second atomization piece is provided above the first atomization piece, after the second atomization piece atomizes the tobacco tar, if there still exist large-granule tobacco tar droplets, large-granule tobacco tar droplets 29 drop onto the surface of the first atomization piece and are ejected onto the second atomization piece again through vibration of the first atomization piece so as to be atomized again; and the small-granule smoke is taken away by the airflow for inhaling by the user.

(30) The difference of the present embodiment with embodiment 1 lies in that:

(31) 1. the second ultrasonic atomization piece is provided above the first atomization piece, so that the small-granule smoke is taken away for inhaling by the user; and the large-granule tobacco tar droplets 29 drop onto the first atomization piece to be ejected onto the high-frequency ultrasonic atomization piece again for atomization, so as to improve the taste of the smoke.

(32) 2. The tobacco tar inlet hole 25 is provided in the outer electrode ring 9, so that the tobacco tar 26 is in direct contact with the surface of the first atomization piece 7.

(33) Through the descriptions set forth in the above embodiments, it should be constructed that these embodiments are merely used for illustrating the present invention more clearly, rather than limiting the scope of the present invention, and all modifications in various equivalent forms made by those skilled in the art after reading the present invention shall be within the scope defined by the claims of the present application.