CN216701658U

CN216701658U - Atomizer and aerosol generating device

Info

Publication number: CN216701658U
Application number: CN202123433074.9U
Authority: CN
Inventors: 邱伟华
Original assignee: Joyetech Shenzhen Electronics Co Ltd
Current assignee: Joyetech Shenzhen Electronics Co Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-10
Anticipated expiration: 2031-12-30

Abstract

The utility model provides an atomizer and an aerosol generating device. When the atomizer works, the aerosol-forming substrate bound in the porous medium can be slowly and uniformly transmitted to the liquid inlet through the porous medium, so that the flow speed of the aerosol-forming substrate entering the atomizing cavity through the liquid inlet is slowed down, the flow speed of the aerosol-forming substrate entering the atomizing cavity in the liquid storage cavity is prevented from being too high, and the liquid leakage risk is effectively reduced. And, because the aerosol in the liquid storage cavity forms the substrate and need transmit to the inlet via porous medium, avoid the aerosol in the liquid storage cavity to form the substrate and directly get into the atomizing chamber through the inlet, when slowing down aerosol and forming the substrate velocity of flow, can reach the effect of even feed liquor to be favorable to promoting atomization effect.

Description

Atomizer and aerosol generating device

Technical Field

The utility model belongs to the technical field of simulated smoking, and particularly relates to an atomizer and an aerosol generating device.

Background

As a common simulated smoking product, an aerosol generating device generally includes an atomizer and a power supply device electrically connected to the atomizer, wherein the atomizer is capable of heating and atomizing an aerosol-forming substrate stored in the atomizer under an electric driving action of the power supply device, so as to achieve a simulated smoking effect.

Currently, in aerosol generating devices' atomizer structures, the liquid storage chamber is typically in direct communication with the atomizing wick through a liquid inlet. In the course of atomizer work, store the aerosol formation substrate in the stock solution chamber under the effect of self gravity, can lead to the aerosol to form the velocity of flow too fast in the substrate gets into the atomizing core usually, cause the phenomenon that the liquid leakage appears in the atomizer easily.

SUMMERY OF THE UTILITY MODEL

Based on the above-mentioned problems in the prior art, it is an object of embodiments of the present invention to provide an atomizer, which solves the problem of the prior art that the flow rate of an aerosol-forming substrate into an atomizing core is too high, which is likely to cause leakage from the atomizer.

In order to achieve the purpose, the utility model adopts the technical scheme that: there is provided a nebulizer, comprising:

the aerosol forming device comprises a liquid storage part, a liquid storage part and a control part, wherein a liquid storage cavity for storing aerosol forming substrates is arranged in the liquid storage part, and a smoking port for a user to smoke is formed in the liquid storage part;

the atomization core is arranged in the liquid storage part, an atomization cavity communicated with the smoking port is formed in the atomization core, and a liquid inlet communicated with the liquid storage cavity and the atomization cavity is formed in the atomization core; and

a porous medium disposed in the reservoir chamber, the porous medium being configured to adsorb the aerosol-forming substrate in the reservoir chamber and to bind the adsorbed aerosol-forming substrate to the porous medium;

wherein the aerosol-forming substrate bound in the porous medium is transportable through the porous medium to the liquid inlet to slow the flow rate of the aerosol-forming substrate through the liquid inlet into the nebulization chamber.

Further, the porous medium is at least one of a porous cotton liquid guide piece, a porous sponge liquid guide piece, a porous glass fiber liquid guide piece, a porous ceramic liquid guide piece or a porous graphite liquid guide piece.

Furthermore, the porous medium is columnar, a sleeve hole penetrates through the porous medium along the axial direction, and the atomizing core is inserted into the sleeve hole; the liquid inlet is positioned in the trepan boring so that the porous medium can shield the liquid inlet.

Furthermore, the peripheral surface of the porous medium is abutted against the inner side surface of the liquid storage cavity, and the hole wall of the trepan boring is abutted against the peripheral surface of the atomizing core.

Further, along the axial extension direction of the porous medium, the height of the porous medium is 35% -50% of the height of the liquid storage cavity.

Further, the atomizer still including the cover locate lead the liquid layer on the outer peripheral face of atomizing core, lead liquid layer cladding the inlet.

Furthermore, the outer peripheral surface of the atomizing core is provided with a positioning groove for positioning the liquid guide layer, and the liquid guide layer is accommodated in the positioning groove.

Further, the atomizer is still including locating the suction nozzle at stock solution spare top, seted up on the suction nozzle the smoking mouth.

Further, the atomizing core including set up in atomizing support in the stock solution spare and the piece that generates heat that is used for heating and atomizing aerosol formation matrix, atomizing support's inside is formed with the atomizing chamber, the piece that generates heat is located in the atomizing chamber, be equipped with on the atomizing support the inlet.

Based on the above problems in the prior art, it is another object of the embodiments of the present invention to provide an aerosol generating device having the atomizer in any of the above aspects.

In order to achieve the purpose, the utility model adopts the technical scheme that: there is provided an aerosol generating device comprising the atomiser provided in any of the preceding aspects.

Compared with the prior art, one or more technical schemes in the embodiment of the utility model have at least one of the following beneficial effects:

in the atomizer and the aerosol generating device in the embodiment of the utility model, in the atomizer structure, the porous medium is arranged in the liquid storage cavity, and can adsorb the aerosol-forming substrate in the liquid storage cavity and bind the adsorbed aerosol-forming substrate in the porous medium. When the atomizer works, the aerosol-forming substrate bound in the porous medium can be slowly and uniformly transmitted to the liquid inlet through the porous medium, so that the flow speed of the aerosol-forming substrate entering the atomizing cavity through the liquid inlet is slowed down, the flow speed of the aerosol-forming substrate entering the atomizing cavity in the liquid storage cavity is prevented from being too high, and the liquid leakage risk is effectively reduced. And, because the aerosol in the liquid storage cavity forms the substrate and need transmit to the inlet via porous medium, avoid the aerosol in the liquid storage cavity to form the substrate and directly get into the atomizing chamber through the inlet, when slowing down aerosol and forming the substrate velocity of flow, can reach the effect of even feed liquor to be favorable to promoting atomization effect. Moreover, the liquid storage capacity and the liquid guiding capacity of the porous medium are balanced by limiting the height of the porous medium.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic cross-sectional structural view of an atomizer provided in an embodiment of the present invention;

FIG. 2 is another schematic cross-sectional view of an atomizer according to an embodiment of the present invention;

FIG. 3 is an exploded view of an atomizer provided in accordance with an embodiment of the present invention;

FIG. 4 is a schematic perspective view of the porous media in the atomizer of FIG. 1;

FIG. 5 is a schematic cross-sectional view of an atomizer according to another embodiment of the present invention;

FIG. 6 is a schematic view of a portion A of FIG. 5;

FIG. 7 is a schematic cross-sectional view of an atomizer according to another embodiment of the present invention;

FIG. 8 is a partially enlarged view of the portion B in FIG. 7;

fig. 9 is a schematic sectional view showing the atomizing core in the atomizer shown in fig. 7.

Wherein, in the figures, the respective reference numerals:

1-liquid storage part; 11-cartridge case; 12-a cartridge seat; 13-a liquid storage cavity; 14-a smoking port; 15-suction nozzle;

2-atomizing core; 21-an atomizing support; 22-a heat generating member; 23-a liquid absorbing member; 24-a liquid inlet; 25-an atomizing chamber;

3-a vent tube; 31-a first tubular member; 32-a second tubular member;

4-a stop member; 5-liquid guiding layer; 6-porous media;

7-a seal; 8-trepanning; 9-positioning groove.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "connected" or "disposed" to another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "plurality" is one or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment," "in some embodiments," or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Referring to fig. 1 to 9 together, an atomizer according to an embodiment of the present invention will now be described. The atomizer provided by the embodiment of the utility model is suitable for an aerosol generating device, and the aerosol generating device comprises the atomizer and a power supply device electrically connected with the atomizer. When the device is used, the power supply device is used for providing electric energy for the atomizer, and the atomizer heats and atomizes the aerosol forming substrate stored in the atomizer under the action of electric drive so as to be sucked by a user to achieve the effect of simulating smoking.

Referring further to fig. 1, 5 and 7, an atomizer according to an embodiment of the present invention includes a liquid storage member 1, an atomizing core 2 and a porous medium 6, wherein a liquid storage cavity 13 for storing an aerosol-forming substrate is disposed inside the liquid storage member 1, and a smoking opening 14 for a user to smoke is disposed on the liquid storage member 1. Referring further to fig. 2 and 4, in some embodiments, the liquid storage member 1 includes a cylindrical cartridge case 11 and a cartridge holder 12 mounted at an opening at a bottom end of the cartridge case 11, and a smoking opening 14 is formed at a top of the cartridge case 11 for a user to smoke. In order to enhance the sealing between the cartridge case 11 and the cartridge seat 12, a sealing member 7 is disposed on the cartridge seat 12, and the sealing member 7 may be, but is not limited to, a rubber member or a silicone member. Referring to fig. 5 and 7, in other embodiments, the atomizer may further include a suction nozzle 15 disposed on the top of the liquid storage component 1, and the suction nozzle 15 is provided with a smoke suction port 14. Referring further to fig. 1 and 3, in other embodiments, the cartridge case 11 has a cylindrical shape, the suction nozzle 15 is disposed at the top end of the liquid storage member 1, the suction nozzle 15 is provided with a suction port 14, and the suction nozzle 15 is integrally formed with the cartridge case 11. Referring to fig. 2 and 3, the cartridge case 11 further has a liquid injection port 16 communicating with the liquid storage chamber 13, and the liquid storage member 1 further includes a liquid injection plug 17 for opening or closing the liquid injection port 16.

Referring to fig. 9, the atomizing core 2 is disposed in the liquid storage component 1, an atomizing cavity 25 communicated with the smoking opening 14 is formed inside the atomizing core 2, and a liquid inlet 24 communicating the liquid storage cavity 13 and the atomizing cavity 25 is disposed on the atomizing core 2. Referring to fig. 6, 8 and 9, in some embodiments, the atomizing core 2 includes an atomizing support 21 and a heating element 22 for heating and atomizing aerosol-forming substrate, the atomizing support 21 is disposed in the liquid storage element 1, an atomizing cavity 25 communicated with the smoking opening 14 is formed inside the atomizing support 21, the heating element 22 is disposed in the atomizing cavity 25, and the atomizing support 21 is further provided with a liquid inlet 24 communicating the liquid storage cavity 13 and the atomizing cavity 25. In this way, the aerosol-forming substrate in the reservoir 13 may flow into the nebulization chamber 25 via the inlet port 24, and the heat generating member 22, when energized, may heat and nebulize the aerosol-forming substrate provided by the reservoir 13 to form an aerosol in the nebulization chamber 25. When the user sucks, the outside air flows into the atomizing chamber 25 from the air inlet hole on the cartridge holder 12, and after mixing with the smoke in the atomizing chamber 25, the outside air reaches the mouth of the user through the smoking port 14, so that the user can achieve the effect of simulating smoking. The heating element 22 can be, but is not limited to, a metal heating element with a mesh structure such as a steel mesh, and the heating element 22 can also be a ceramic heating element with liquid absorption capability or a heating wire wrapped by liquid absorption cotton. With further reference to fig. 9, in other embodiments, the atomizing wick 2 further includes a liquid absorbing member 23 for absorbing the aerosol-forming substrate and transferring the aerosol-forming substrate to the heat generating member 22, the liquid absorbing member 23 being disposed in the atomizing chamber 25. It is to be understood that the absorbent member 23 may be, but is not limited to, absorbent cotton or porous ceramic or nonwoven fabric.

A porous medium 6 is disposed in the reservoir 13, the porous medium 6 being adapted to adsorb the aerosol-forming substrate in the reservoir 13, and the porous medium 6 being adapted to bind or store the adsorbed aerosol-forming substrate in the porous medium 6. During operation of the atomiser, aerosol-forming substrate bound in the porous medium 6 may be transported through the porous medium 6 to the liquid inlet 24 to slow the flow rate of aerosol-forming substrate through the liquid inlet 24 into the atomising chamber 25. It is understood that the porous medium 6 mentioned in the embodiments of the present invention may be, but is not limited to, at least one of a porous cotton wicking member, a porous sponge wicking member, a porous glass fiber wicking member, a porous ceramic wicking member, or a porous graphite wicking member. When the porous medium 6 is a porous cotton liquid guide member, the porous cotton liquid guide member can be made of cut tobacco cotton or polymer integrated cotton which has good liquid binding performance, strong liquid storage capacity and good liquid guide performance. Of course, the porous cotton liquid guide may be compressed cotton or the like.

Compared with the prior art, the atomizer provided by the embodiment of the utility model has the advantages that the porous medium 6 is arranged in the liquid storage cavity 13, so that the porous medium 6 can adsorb the aerosol-forming substrate in the liquid storage cavity 13 and can bind the adsorbed aerosol-forming substrate in the porous medium 6. When the atomizer works, the aerosol-forming substrate bound in the porous medium 6 can be slowly and uniformly conveyed to the liquid inlet 24 through the porous medium 6, so that the flow velocity of the aerosol-forming substrate entering the atomizing cavity 25 through the liquid inlet 24 is reduced, the flow velocity of the aerosol-forming substrate entering the atomizing cavity 25 in the liquid storage cavity 13 is prevented from being too high, and the liquid leakage risk is effectively reduced. Moreover, as the aerosol-forming substrate in the liquid storage cavity 13 needs to be transmitted to the liquid inlet 24 through the porous medium 6, the aerosol-forming substrate in the liquid storage cavity 13 is prevented from directly entering the atomizing cavity 25 through the liquid inlet 24, the flow velocity of the aerosol-forming substrate is reduced, and meanwhile, the effect of uniform liquid inlet can be achieved, so that the atomizing effect is favorably improved.

Referring to fig. 2, fig. 3 and fig. 4, in some embodiments, the porous medium 6 is cylindrical, the porous medium 6 is axially provided with a sleeve hole 8, and the atomizing core 2 is inserted into the sleeve hole 8; the liquid inlet 24 is positioned in the trepan 8, when the porous medium 6 is sleeved on the atomizing core 2, the porous medium 6 can shield the liquid inlet 24 of the atomizing core 2, so that the liquid storage cavity 13 and the liquid inlet 24 cannot be directly communicated, and aerosol-forming substrate in the liquid storage cavity 13 is prevented from directly entering the atomizing cavity 25 through the liquid inlet 24. It is understood that the outline of the porous medium 6 may be cylindrical, elliptic cylindrical or prismatic, and the shape and size of the porous medium 6 are adapted to the shape and size of the reservoir 13. Referring to fig. 1, 5 and 7, in some embodiments, the outer peripheral surface of the porous medium 6 abuts against the inner side surface of the liquid storage cavity 13, and the hole wall of the trepanning 8 abuts against the outer peripheral surface of the atomizing core 2, so as to balance the liquid storage and liquid guiding capabilities of the porous medium 6, ensure that the aerosol-forming substrate can be stably and uniformly transmitted to the liquid inlet 24, and also reduce the flow rate of the aerosol-forming substrate entering the atomizing cavity 25 through the liquid inlet 24, thereby achieving a good liquid leakage prevention effect.

Referring further to FIGS. 1 and 2 in combination, in some embodiments, the porous medium 6 has a height H along the axial extension of the porous medium 6₁Is the height H of the reservoir 13₂35% -50% to balance the liquid storage capacity and liquid guiding capacity of the porous medium 6, ensure that the aerosol-forming substrate can be stably and uniformly transmitted to the liquid inlet 24, slow down the flow rate of the aerosol-forming substrate entering the atomizing cavity 25 through the liquid inlet 24, achieve good liquid leakage prevention effect, and ensure a certain liquid storage capacity. As can be appreciated, with further reference to FIG. 2, the height H of the porous media 6₁Height H of the reservoir 13, to extend axially thereof₂Is a height extending axially along the porous medium 6.

Referring to fig. 1, 5 and 7, in some embodiments, the atomizer further includes a liquid guide layer 5 sleeved on the outer peripheral surface of the atomizing core 2, and the liquid guide layer 5 covers the liquid inlet 24 to prevent the aerosol-forming substrate in the liquid storage cavity 13 from directly flowing to the liquid inlet 24, so as to play a role in buffering the liquid inlet speed, so that the aerosol-forming substrate in the liquid storage cavity 13 uniformly enters the atomizing cavity 25, and to some extent, assist in reducing the risk of liquid leakage. During the use, only need to adorn porous medium 6 in the outside of drain layer 5, strengthen the even stability that porous medium 6 transmits aerosol-forming substrate to inlet 24 for the aerosol-forming substrate in the liquid storage cavity 13 provides atomizing chamber 25 more evenly fully. With further reference to fig. 2 and 3, in some embodiments, the positioning groove 9 for positioning the liquid guiding layer 5 is disposed on the outer circumferential surface of the atomizing core 2, and the liquid guiding layer 5 is received in the positioning groove 9, so as to enhance the stability of the installation of the liquid guiding layer 5, effectively slow down the flow rate of the aerosol-forming substrate entering the atomizing chamber 25 through the liquid inlet 24, and enhance the uniformity and stability of the aerosol-forming substrate entering the atomizing chamber 25. Specifically, the positioning groove 9 may be opened on the outer circumferential surface of the atomizing support 21, and the liquid guiding layer 5 is a plurality of liquid guiding cotton layers wound on the atomizing core 2. It is noted that in some other embodiments, the porous medium 6 may be integrated with the liquid-guiding layer 5. In some other embodiments. The liquid guide layer 5 may be omitted and the porous medium 6 may be provided separately.

Referring further to fig. 5 and 7, in other embodiments, the atomizer further includes a ventilation tube 3 connecting the atomization chamber 25 and the smoking port 14, so that the smoke in the atomization chamber 25 can be introduced into the smoking port 14 through the ventilation tube 3. It can understand, ventilate pipe fitting 3 can be but not limited to glass fiber pipe fitting, because glass fiber pipe fitting itself has elasticity, when glass fiber pipe fitting overlaps in the atomizing support 21 outside, glass fiber pipe fitting's inside wall can closely laminate with the lateral wall of atomizing support 21, avoids atomizing support 21 and ventilate and appear fit-up gap between the pipe fitting 3. It should be noted that, referring to fig. 1, fig. 5 and fig. 7, when the liquid storage component 1 includes the cartridge case 11 and the cartridge seat 12, the atomizing support 21 is disposed in the cartridge case 11, and the atomizing support 21 is supported and fixed on the cartridge seat 12, so that the liquid storage cavity 13 is defined by the portion inside the cartridge case 11 outside the atomizing support 21 and the ventilation tube 3. It should be noted that the atomizing support 21 may be, but is not limited to, a tubular support.

Referring to fig. 6 and 8, the first end of the ventilation tube 3 is connected to the smoking opening 14, and the second end of the ventilation tube 3 is sleeved on the outer side of the atomizing support 21. Because the outside of atomizing support 21 is located to the second end cover of pipe fitting 3 of ventilating, can be so that form the face contact of closely laminating between the inside wall of pipe fitting 3 of ventilating and the outside of atomizing support 21, stability between pipe fitting 3 and the atomizing support 21 is ventilated in the reinforcing, avoids having the fit-up gap between pipe fitting 3 of ventilating and the atomizing support 21, reduces the weeping risk. Referring to fig. 5, the atomizing support 21 is provided with a stop 4 for abutting against the second end of the vent pipe 3. When the second end of the vent tube 3 is sleeved outside the atomizing support 21, the stop member 4 can abut against the second end of the vent tube 3, so as to position the vent tube 3 on the atomizing support 21, thereby further enhancing the connection stability between the vent tube 3 and the atomizing support 21. Furthermore, while the stop 4 is abutting against the second end of the vent tube 3, the stop 4 may shield the port of the second end of the vent tube 3 to act as a closure for the port of the second end of the vent tube 3, such that aerosol-forming substrate cannot leak through the port of the second end of the vent tube 3 to a possible fitting gap between the vent tube 3 and the nebulizing support 21, thereby avoiding leakage of aerosol-forming substrate through the possible fitting gap between the nebulizing support 21.

Referring to fig. 5, in some embodiments, the ventilation tube 3 includes a first tube 31 and a second tube 32 connected to the first tube 31, an end of the first tube 31 facing away from the second tube 32 extends to the smoke suction port 14, an end of the second tube 32 facing away from the first tube 31 is sleeved outside the atomizing frame 21, and the stop member 4 abuts against an end of the second tube 32 facing away from the first tube 31. In this embodiment, the ventilation tube 3 includes a first tube 31 and a second tube 32, one end of the first tube 31 departing from the second tube 32 extends to the smoke suction port 14, one end of the second tube 32 departing from the first tube 31 is sleeved on the outer side of the atomization support 21, and the other end of the first tube 31 is connected to the other end of the second tube 32. It is understood that the other end of the first pipe 31 and the other end of the second pipe 32 can be connected by an integral structure, or can be fixedly connected by welding. The stop member 4 may shield the port of the end of the second tube 32 facing away from the first tube 31 while the stop member 4 abuts against the end of the second tube 32 facing away from the first tube 31 to close the port of the end of the second tube 32 facing away from the first tube 31 to prevent leakage of aerosol-forming substrate. The end of the first tube 31 facing away from the second tube 32 forms a first end of the vent tube 3, and the end of the second tube 32 facing away from the first tube 31 forms a second end of the vent tube 3.

Referring to fig. 7, in other embodiments, the ventilation tube 3 includes a first tube 31 and a second tube 32, one end of the first tube 31 extends to the smoke suction port 14, the other end of the first tube 31 is inserted into the inner side of the atomizing support 21, one end of the second tube 32 is sleeved on the outer side of the first tube 31, the other end of the second tube 32 is sleeved on the outer side of the atomizing support 21, and the stop member 4 abuts against the other end of the second tube 32. In this embodiment, the ventilation tube 3 includes a first tube 31 and a second tube 32, one end of the first tube 31 extends to the smoking opening 14, and the other end of the first tube 31 is inserted inside the atomizing support 21, so that the first tube 31 forms an airflow passage for communicating the atomizing chamber 25 and the smoking opening 14. Moreover, one end of the second pipe 32 is sleeved outside the first pipe 31, and the other end of the second pipe 32 is sleeved outside the atomizing support 21, so that the assembling gap between the first pipe 31 and the atomizing support 21 can be sealed, and the liquid leakage risk can be reduced. Furthermore, the stop 4 may shield the port at the other end of the second tube 32 while the stop 4 abuts against the other end of the second tube 32 to act as a seal against the port at the other end of the second tube 32 to prevent leakage of aerosol-forming substrate. The end of the first tube 31 extending to the smoking opening 14 forms a first end of the ventilation tube 3, and the end of the second tube 32 sleeved outside the atomizing support 21 forms a second end of the ventilation tube 3.

It will be appreciated that in other embodiments, the second tube 32 is a sealing sleeve with elasticity to enhance the sealing performance of the second tube 32. Of course, the first pipe 31 or the second pipe 32 is an elastic glass fiber pipe, so that the first pipe 31 or the second pipe 32 is tightly attached to the corresponding side wall of the atomizing support 21, thereby avoiding the occurrence of an assembly gap and effectively preventing liquid leakage. It should be noted that the first tube 31 may be made of glass fiber, and the second tube 32 may also be made of glass fiber.

Referring further to fig. 9, in some embodiments, the stop member 4 is a stop ring plate protruding from the outer sidewall of the atomizing support 21, and the stop ring plate can cover the port of the second end of the vent pipe 3. Of course, in other embodiments, a sealing groove or a sealing gasket for sealing the port of the second end of the vent pipe 3 may be further disposed on the stop ring plate to further improve the sealing performance of sealing the port of the second end of the vent pipe 3. It is understood that the stop member 4 can be, but not limited to, a stop ring plate protruding from the outer side wall of the atomizing support 21, and the stop member 4 can also be a sealing sleeve or a sealing ring sleeved on the outer side wall of the atomizing support 21.

The embodiment of the utility model also provides an aerosol generating device which comprises the atomizer provided by any one of the embodiments. Since the aerosol generating device has all the technical features of the atomizer provided in any of the above embodiments, it has the same technical effects as the atomizer described above.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. An atomizer, comprising:

the atomizing core is arranged in the liquid storage part, an atomizing cavity communicated with the smoking port is formed in the atomizing core, and a liquid inlet communicated with the liquid storage cavity and the atomizing cavity is formed in the atomizing core; and

2. The atomizer of claim 1, wherein said porous medium is at least one of a porous cotton wick, a porous sponge wick, a porous fiberglass wick, a porous ceramic wick, or a porous graphite wick.

3. The atomizer in accordance with claim 1, wherein said porous medium is cylindrical, said porous medium has a sleeve hole axially penetrating therethrough, and said atomizing core is inserted into said sleeve hole; the liquid inlet is positioned in the trepan boring so that the porous medium can shield the liquid inlet.

4. The atomizer according to claim 3, wherein the outer peripheral surface of said porous medium abuts against the inner side surface of said reservoir chamber, and the wall of said trepan bore abuts against the outer peripheral surface of said atomizing core.

5. A nebulizer as claimed in claim 3 or 4, wherein the height of the porous medium, in the direction of axial extension of the porous medium, is in the range 35% to 50% of the height of the reservoir chamber.

6. The atomizer of any one of claims 1 to 4, further comprising a fluid conducting layer disposed on an outer circumferential surface of said atomizing core, said fluid conducting layer covering said fluid inlet.

7. The atomizer according to claim 6, wherein a positioning groove for positioning said liquid-conducting layer is provided on an outer peripheral surface of said atomizing core, said liquid-conducting layer being received in said positioning groove.

8. The atomizer according to any one of claims 1 to 4, further comprising a suction nozzle disposed at a top portion of said reservoir, said suction nozzle having said smoking opening formed therein.

9. The atomizer according to any one of claims 1 to 4, wherein said atomizing core comprises an atomizing support disposed in said liquid storage member and a heat generating member for heating and atomizing an aerosol-forming substrate, an atomizing chamber is formed inside said atomizing support, said heat generating member is disposed in said atomizing chamber, and said atomizing support is provided with said liquid inlet.

10. An aerosol generating device comprising an atomiser as claimed in any one of claims 1 to 9.