CN212911671U

CN212911671U - Atomizer and aerosol generating device

Info

Publication number: CN212911671U
Application number: CN202021623705.6U
Authority: CN
Inventors: 邱伟华
Original assignee: Changzhou Paiteng Electronic Technology Co Ltd
Current assignee: Changzhou Paiteng Electronic Technology Co Ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-04-09
Anticipated expiration: 2030-08-06

Abstract

The utility model provides an atomizer and aerosol generating device, atomizer include casing, cigarette holder, generate heat piece, atomizing and lead liquid piece, and the cigarette holder is installed on the casing, and the inside of casing is equipped with stock solution chamber and atomizing chamber, and the piece that generates heat sets up in atomizing chamber, and lead liquid piece and atomizing piece set up in the casing, lead liquid piece and atomizing contact. Then when using, only need to form the substrate water conservancy diversion to atomizing spare through the aerosol of drain spare in with the stock solution chamber, alright form the great smog of particle diameter with aerosol through atomizing spare atomizing into, and spray the great smog of particle diameter to the piece that generates heat, make aerosol form substrate evenly distributed in the surface of the piece that generates heat, and then make the piece that generates heat can be quick, high-efficiently with aerosol formation substrate heating atomization formation particle diameter less smog, promote the taste that the user smokes smog, avoid forming big liquid drop (hydrops) in air guide channel, and be favorable to improving the atomization efficiency and the atomization effect of atomizer.

Description

Atomizer and aerosol generating device

Technical Field

The utility model belongs to the technical field of the simulation smoking, in particular, relate to an atomizer and aerosol generating device.

Background

The aerosol generating device is a common simulated cigarette electronic product and mainly comprises a power supply device and an atomizer, wherein a heating unit in the atomizer is powered by the power supply device, so that the heating unit heats aerosol to form a substrate to generate smoke under electric drive, and a user can inhale the aerosol to achieve the effect of simulating smoking. Currently, the aerosol-forming substrate is generally permeated into the heat generating unit in the atomizer through the liquid guiding cotton, which easily causes the aerosol-forming substrate to be unevenly distributed on the surface of the heat generating unit, thereby affecting the atomization efficiency and the atomization effect of the atomizer.

SUMMERY OF THE UTILITY MODEL

Based on the above-mentioned problem that exists among the prior art, one of the purposes of the utility model is to provide a through the atomizing spare with the aerosol formation substrate after the atomizing again spray to the piece that generates heat for the aerosol formation substrate can distribute in the atomizer on the surface of the piece that generates heat uniformly.

In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a nebulizer, comprising:

the shell is internally provided with a liquid storage cavity and an atomization cavity;

a mouthpiece mounted on the housing;

a heating element disposed in the nebulizing chamber for heating the aerosol-forming substrate and generating a smoke for inhalation by a user;

the atomization piece is arranged in the shell and is used for atomizing the aerosol-forming substrate and then spraying the aerosol-forming substrate to the heating piece; and

a liquid guide member disposed in the housing for guiding the aerosol-forming substrate in the liquid storage chamber to the atomizing member;

the cigarette holder is characterized in that an air guide channel communicated with the cigarette holder and the atomization cavity is arranged on the shell, and an air inlet hole used for allowing external air flow to enter the atomization cavity is formed in the shell.

Further, the atomizing piece is an ultrasonic atomizing sheet.

Furthermore, the part of the shell body above the atomizing part forms the liquid storage cavity, the part of the shell body below the atomizing part forms the atomizing cavity, the atomizing part sprays atomized aerosol forming substrates towards the lower part of the atomizing part, and the heating part is correspondingly arranged below the atomizing part.

Furthermore, the shell is provided with an air inlet channel communicated with the air inlet and the atomizing cavity, and the inner diameter of the air inlet channel is gradually reduced from one end close to the air inlet to one end close to the atomizing cavity.

Further, the atomizing part is an ultrasonic atomizing sheet, the heating part is a heating sheet, the housing comprises a connecting seat with a containing cavity and a base which is assembled on the bottom opening of the connecting seat in a sealing manner, the cigarette holder is installed at the top end of the connecting seat, the containing cavity of the connecting seat forms the liquid storage cavity, the liquid guiding part is arranged in the bottom opening to seal the liquid storage cavity, the ultrasonic atomizing sheet is arranged in the bottom opening, the lower surface of the liquid guiding part is in contact with the upper surface of the ultrasonic atomizing sheet to enable aerosol-forming substrates in the liquid storage cavity to permeate to the ultrasonic atomizing sheet through the microporous structure of the liquid guiding part under the action of gravity, a concave cavity is concavely arranged on one surface of the base facing the bottom opening, the heating sheet is installed on the connecting seat and located in the concave cavity, and the bottom opening forms the atomizing cavity in the space between the atomizing sheet and the heating sheet, the heating plate is provided with a channel communicated with the atomizing cavity and the cavity, the air inlet and the air guide channel are respectively arranged on the connecting seat, the air guide channel is communicated with the cavity, and the connecting seat is also provided with an air inlet channel communicated with the air inlet and the cavity.

Furthermore, the air inlet channel and the air guide channel are respectively positioned on two opposite side walls of the connecting seat, and the axial direction of the air inlet channel is parallel to the axial direction of the air guide channel, so that the air inlet channel, the concave cavity and the air guide channel form a U-shaped airflow channel for flowing air.

Further, the atomizer still includes will the ultrasonic atomization piece supports and is fixed in setting element in the bottom opening, the setting element is the elastic sleeve, be equipped with the holding on the setting element and fix a position the constant head tank of ultrasonic atomization piece, the constant head tank is for locating annular on the inner wall of elastic sleeve.

Furthermore, the inner wall of the bottom opening extends inwards along the circumferential direction to form a supporting part, and the bottom end of the positioning piece is supported on the supporting part.

Furthermore, the atomizer further comprises a liquid storage part accommodated in the shell, the inner cavity of the liquid storage part forms a liquid storage cavity, the liquid guiding part is arranged on the liquid storage part, a liquid outlet is arranged at one end, close to the atomizing part, of the liquid storage part, the liquid outlet extends to the atomizing part so that the liquid outlet is supported on the atomizing part, the liquid guiding part is accommodated and fixed in the liquid outlet, and one surface, facing the atomizing part, of the liquid guiding part is in contact with the atomizing part.

Based on the above-mentioned problem that exists among the prior art, the utility model discloses a second purpose lies in providing one kind and forming the aerosol and spray again to the piece that generates heat after the matrix atomizing through the atomizing piece for the aerosol forms the aerosol generating device that the matrix can distribute in the surface of the piece that generates heat uniformly.

In order to achieve the above object, the utility model adopts the following technical scheme: an aerosol generating device is provided comprising the atomizer.

The embodiment of the utility model provides an in above-mentioned one or more technical scheme, compare with prior art, have one of following beneficial effect at least:

the embodiment of the utility model provides an in atomizer and aerosol generating device, the atomizer is provided with the atomizing piece that becomes the great smog of particle diameter with aerosol formation matrix atomizing, alright through the atomizing piece with the aerosol formation matrix atomizing after the re-spray to the piece that generates heat, make the great smog of particle diameter evenly distributed in the surface of the piece that generates heat, and then make the piece that generates heat can be timely, fast, high-efficiently with aerosol formation matrix heating atomizing formation less smog of particle diameter, not only can promote the taste that the user smoked smog, still effectively avoid forming big liquid drop (hydrops) in air guide channel, thereby effectively reduce the noise that the air guide channel air current passes through the production. And, the atomizing spare sprays again to the piece that generates heat after atomizing into the great smog of particle diameter with aerosol formation substrate for aerosol formation substrate can distribute in the surface of the piece that generates heat uniformly, is favorable to improving the atomization efficiency and the atomization effect of atomizer, and then can increase the atomizing amount of atomizer production and smog quality.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced 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 without inventive labor.

Fig. 1 is a schematic perspective view of an atomizer according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structural diagram of an atomizer provided in an embodiment of the present invention;

FIG. 3 is a partially enlarged view of FIG. 2;

fig. 4 is another schematic cross-sectional structural diagram of an atomizer provided in an embodiment of the present invention;

fig. 5 is an exploded view of an atomizer according to an embodiment of the present invention;

fig. 6 is a partially exploded view of an atomizer according to an embodiment of the present invention;

fig. 7 is a schematic perspective view of an atomizing member according to an embodiment of the present invention;

fig. 8 is a schematic cross-sectional structural view of an atomizing member according to an embodiment of the present invention;

fig. 9 is a schematic perspective view of a heat generating member according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1-a shell; 11-a connecting seat; 111-inlet holes; 112-an air guide channel; 113-an intake passage; 114-a window; 12-a base; 13-a closure; 131-a first clip; 132-a second clip; 14-a holding portion; 15-connecting column; 151-card slot; 16-a first arc-shaped slot;

2-cigarette holder;

3-a heating element; 31-channel;

4-an atomizing part; 5-a liquid guide part;

6-liquid storage part; 61-a liquid outlet;

7-an atomizing chamber;

8-a positioning element; 81-positioning holes;

9-gas regulating ring; 91-air adjusting holes;

10-liquid storage cavity.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

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 5, an atomizer according to an embodiment of the present invention will now be described. The embodiment of the utility model provides an atomizer is applicable to aerosol generating device, and aerosol generating device forms the atomizing of aerosol formation substrate through this atomizer and forms smog to supply the user to inhale and reach the effect of simulation smoking. Please refer to fig. 2 to 4 in combination, the atomizer includes a housing 1, a mouthpiece 2, a heating element 3, an atomizing element 4 and a liquid guiding element 5, the mouthpiece 2 is installed on the top end of the housing 1, a liquid storage cavity 10 and an atomizing cavity 7 are arranged inside the housing 1, the heating element 3 is arranged in the atomizing cavity 7, the liquid guiding element 5 and the atomizing element 4 are arranged in the housing 1, an air guiding channel 112 for communicating the mouthpiece 2 and the atomizing cavity 7 is arranged on the housing 1, and an air inlet 111 for allowing external air flow to enter the atomizing cavity 7 is arranged on the housing 1. Then when using aerosol generating device, because the aerosol formation substrate water conservancy diversion in leading liquid spare 5 accessible its capillary structure with stock solution chamber 10 to atomizing part 4, atomizing part 4 atomizes aerosol formation substrate into behind the great smog of particle diameter, and spray the great smog of particle diameter to atomizing chamber 7 and be located the atomizing chamber 7 in generate heat on the piece 3, make the great smog of particle diameter evenly distributed on the surface of generating heat piece 3, thereby make generate heat piece 3 can be timely, fast, high-efficient with the great smog of particle diameter heat, further atomizing forms the smog that the particle diameter is littleer. Thus, when a user sucks the cigarette through the cigarette holder 2, external air flow quickly flows into the atomizing cavity 7 through the air inlet holes 111 in the shell 1, and smoke with smaller particle size in the atomizing cavity 7 forms aerosol under the action of the air flow and is taken out to the cigarette holder 2 through the air guide channel 112 along with the air flow, so that the user can suck the cigarette to simulate smoking.

The embodiment of the utility model provides an atomizer, compared with the prior art, be provided with the atomizing piece 4 that becomes the great smog of particle diameter with aerosol formation matrix atomizing, alright form the atomizing piece 4 with aerosol and then spray to the piece 3 that generates heat after atomizing, make the great smog of particle diameter evenly distributed in the surface of the piece 3 that generates heat, and then make the piece 3 that generates heat can be timely, fast, form the less smog of particle diameter with aerosol formation matrix heating atomizing high-efficiently, not only can promote the taste that the user smoked smog, still effectively avoid forming big liquid drop (hydrops) in air guide channel 112, thereby effectively reduce the noise that air guide channel 112 air current through the production. And, atomizing spare 4 sprays again to the piece 3 that generates heat after atomizing into the great smog of particle diameter with aerosol formation substrate for aerosol formation substrate can distribute in the surface of the piece 3 that generates heat uniformly, is favorable to improving the atomization efficiency and the atomization effect of atomizer, and then can increase the smog volume and the smog quality that the atomizer atomizing produced.

It can be understood that, in some embodiments, please refer to fig. 5 and fig. 6 in combination, the housing 1 includes a connection seat 11 having a receiving cavity and a base 12 hermetically fitted on the bottom opening of the connection seat 11, the mouthpiece 2 is mounted on the top end of the connection seat 11, a window 114 is opened on the side wall of the connection seat 11, and the window 114 is communicated with the receiving cavity of the connection seat 11; the air inlet 111 and the air guide channel 112 are respectively arranged on the connecting seat 11, the heating element 3 is supported and fixed on the connecting seat 11, and the heating element 3 is electrically connected with the power supply device through a contact electrode component arranged on the base 12, so that the heating element 3 can be electrically driven to heat and work, and the aerosol-forming substrate is heated and atomized to generate smoke which can be absorbed by a user.

In some embodiments, please refer to fig. 1 and 5 in combination, the connecting seat 11 is further provided with an air adjusting ring 9 for adjusting the air inflow of the air inlet hole 111, the air adjusting ring 9 is rotatably installed on the connecting seat 11 along the circumferential direction of the connecting seat 11, and the air adjusting ring 9 is provided with an air adjusting hole 91 at a position corresponding to the air inlet hole 111. Like this, only need adjust the size of the intercommunication area that gas regulation hole 91 and inlet port 111 counterpoint through rotating gas regulation ring 9 to can adjust the size of inlet port 111 air input as required, promote the taste that the user smoked smog.

In some embodiments, referring to fig. 7 and 8, the atomizing element 4 is an ultrasonic atomizing plate. The aerosol forming substrate is firstly atomized by the ultrasonic atomization sheet to form smoke with larger particle size, and the smoke with larger particle size is sprayed on the heating part 3 positioned in the atomization cavity 7, so that the heating part 3 can heat and atomize the smoke with larger particle size in time, quickly and efficiently, the smoke with smaller particle size is formed, the taste of the smoke sucked by a user is promoted, and the generation of large noise caused by the formation of large liquid drops (effusion) in the air guide channel 112 is avoided. It is understood that the ultrasonic atomizing sheet may be a convex ultrasonic microporous atomizing sheet or a ceramic atomizing sheet, and the detailed structure and operation principle of the convex ultrasonic microporous atomizing sheet or the ceramic atomizing sheet are well known to those skilled in the art and therefore will not be described herein again. When the atomization piece 4 adopts a convex point ultrasonic micropore atomization sheet, the punching area of the convex point is 2.5-4 mm²The aperture of the micropores is 7-12 mu m, and the number of the micropores is 200-600 meshes, so that a good atomization effect on the aerosol forming substrate is achieved, and the atomized aerosol forming substrate can be uniformly sprayed on the surface of the heating element 3. Of course, the atomizing element 4 can be an ultrasonic atomizer but is not limited to an ultrasonic atomizer, for example, the atomizing element 4 can also be a compressed atomizer or a mesh atomizer.

It is understood that, in some embodiments, please refer to fig. 9 in combination, the heat generating member 3 may be, but not limited to, a heat generating sheet, and the heat generating member 3 may also be a heat generating device such as a heat generating net, a heat generating wire, or a heat generating rod. Wherein, when the piece 3 that generates heat adopts the piece or the heating network that generates heat, can increase the area that generates heat, the aerosol formation substrate after being convenient for 4 atomizes evenly sprays on the heating network. Of course, the heat generating member 3 may also be made of a metal material, a ceramic material, or a metal-ceramic composite material. The heating element 3 can be selected and arranged according to the actual use requirement, and is not limited herein. In some embodiments, the heat generating member 3 may be a ceramic heat generating sheet, which is sintered with tungsten slurry in aluminum nitride ceramic, and the combination of the two is compact and the porosity is less than 1%, so that the heat generating member 3 can be rapidly heated and the temperature distribution is uniform, but the type of the heat generating member 3 is not limited thereto. The aluminum nitride ceramic is characterized in that the aluminum nitride ceramic comprises aluminum nitride, and other substances, such as aluminum oxide, can be also included in the aluminum nitride ceramic. Instead of using aluminum nitride ceramics, the main body of the heat generating member 3 may be made of other ceramic materials, such as aluminum oxide or silicon nitride. The heat generating portion of the heat generating member 3 may be made of other metal paste, for example, silver paste, in addition to tungsten paste.

In some embodiments, please refer to fig. 2 and fig. 3 in combination, a liquid storage cavity 10 is formed in a portion of the housing 1 above the atomizing element 4, an atomizing cavity 7 is formed in a portion of the housing 1 below the atomizing element 4, the atomizing element 4 sprays the atomized aerosol-forming substrate toward a lower portion of the atomizing element 4, and the heat generating element 3 is correspondingly disposed below the atomizing element 4.

By adopting the above scheme, when atomizing 4 adopts the micropore atomizing piece, the part in the top of atomizing 4 forms stock solution chamber 10 in casing 1, and forms atomizing chamber 7 in the part of the below of atomizing 4 in casing 1 to with the atomizing chamber 7 blowout of micropore atomizing piece orientation below, and will generate heat piece 3 and correspond and set up in the below of micropore atomizing piece, make micropore atomizing piece spout atomizing smog towards below. Like this, smog alright with reach the piece 3 that generates heat fast under the combined action of the injection effort of micropore atomizing piece and gravity, not only be favorable to generating heat 3 in time with the great smog of particle diameter add thermal atomization, can avoid the great smog liquid drop of particle diameter gathering to form big liquid drop moreover, and cause the emergence of serious hydrops on the micropore atomizing piece to guarantee the normal work of micropore atomizing piece. Understandably, in this embodiment, the upper side of the atomizing member 4 refers to a direction from the face of the atomizing member 4 facing the mouthpiece 2 to the mouthpiece 2, and the lower side of the atomizing member 4 refers to a direction from the face of the atomizing member 4 facing the base 12 to the base 12. That is to say, by base 12 to the direction of cigarette holder 2, set gradually atomizing chamber 7 and stock solution chamber 10, the micropore atomizing piece is located between atomizing chamber 7 and the stock solution chamber 10, and the piece 3 that generates heat corresponds and sets up in the one side that atomizing 4 is close to atomizing chamber 7.

In some embodiments, please refer to fig. 4, an air inlet channel 113 communicating the air inlet hole 111 and the atomizing chamber 7 is disposed on the housing 1, and an inner diameter of the air inlet channel 113 gradually decreases from one end close to the air inlet hole 111 to one end close to the atomizing chamber 7.

Through adopting above-mentioned scheme, by the one end that is close to inlet port 111 to the one end that is close to atomizing chamber 7, be the reducing setting that diminishes gradually with inlet channel 113's internal diameter, make inlet channel 113 whole be the frustum form, and inlet channel 113's inlet port's internal diameter is greater than inlet channel 113's the internal diameter of the port of giving vent to anger, guarantee that the air current is faster from inlet channel 113's the air current velocity of the port outflow of giving vent to anger, thereby make air current sweep over the piece 3 that generates heat fast, and take away the atomizing smog on the 3 surfaces that generate heat, the more quick smog in taking away atomizing chamber 7, be favorable to improving atomization efficiency and atomization effect, let the user just can have better smog to experience the taste when sucking first mouth. And, the inner diameter of the air inlet channel 113 is arranged in a reducing manner that the inner diameter is gradually reduced from one end close to the air inlet hole 111 to one end close to the atomizing cavity 7, and the inner diameter of the air inlet port of the air inlet channel 113 is larger than the inner diameter of the air outlet port of the air inlet channel 113, so that the air flow speed of the air flow flowing out of the air outlet port of the air inlet channel 113 is ensured to be faster, when the air flow speed is increased, the air flow can flow at a high speed at the air outlet port to generate low pressure, and the air flow has an adsorption effect, and is automatically and rapidly diffused into the atomizing cavity 7 from the air inlet channel 113 to be fully mixed with the smoke, so that the mouth feel of the smoke inhaled by a user can be.

In some embodiments, please refer to fig. 3 and 4 in combination, the atomizing element 4 is an ultrasonic atomizing sheet, the heating element 3 is a heating sheet, the housing 1 includes a connecting seat 11 having a receiving cavity and a base 12 hermetically assembled on a bottom opening of the connecting seat 11, the mouthpiece 2 is mounted on a top end of the connecting seat 11, the receiving cavity of the connecting seat 11 forms a liquid storage cavity 10, the liquid guiding element 5 is disposed in the bottom opening to close the liquid storage cavity 10, the ultrasonic atomizing sheet is disposed in the bottom opening, a lower surface of the liquid guiding element 5 contacts with an upper surface of the ultrasonic atomizing sheet to enable aerosol-forming substrates in the liquid storage cavity 10 to penetrate into the ultrasonic atomizing sheet through a microporous structure of the liquid guiding element 5 under the action of gravity, a concave cavity is concavely disposed on a surface of the base 12 facing the bottom opening, the heating sheet is mounted on the connecting seat 11 and located in the concave cavity, an atomizing cavity 7 is formed in a space between the atomizing sheet, the heating plate is provided with a channel for communicating the atomizing cavity 7 with the cavity, the air inlet hole 111 and the air guide channel 112 are respectively arranged on the connecting seat 11, the air guide channel 112 is communicated with the cavity, and the connecting seat 11 is also provided with an air inlet channel 113 for communicating the air inlet hole 111 with the cavity.

Through adopting above-mentioned scheme, casing 1 is including having the connecting seat 11 that holds the chamber and seal assembly base 12 on the bottom opening of connecting seat 11, and connecting seat 11 hold the chamber and form the stock solution chamber 10 that stores aerosol formation matrix, install cigarette holder 2 on the top of connecting seat 11, set up drain 5 in order to seal stock solution chamber 10 in the bottom opening, and the ultrasonic atomization piece sets up in the bottom opening. Like this, only need with the upper surface contact of the lower surface of drain 5 and ultrasonic atomization piece, just can make the aerosol formation substrate in the stock solution chamber 10 permeate to ultrasonic atomization piece through the microporous structure of drain 5 under the action of gravity, make the ultrasonic atomization piece can be fully with the aerosol formation substrate atomizing in the stock solution chamber 10 become the great smog of particle diameter and evenly spray to the surface of the piece that generates heat, avoid the aerosol formation substrate in the stock solution chamber 10 to take place to remain extravagantly. And, the concave cavity that is equipped with in base 12 towards the one side of bottom end opening, generate heat the piece and install on connecting seat 11 and be located the cavity, the space between atomizing piece and the piece that generates heat in the bottom end opening forms atomizing chamber 7, the piece that generates heat is seted up and is communicated atomizing chamber 7 and the passageway 31 of cavity, on connecting seat 11 was located respectively to inlet port 111 and air guide channel 112, air guide channel 112 and cavity intercommunication still were equipped with the inlet channel 113 of intercommunication inlet port 111 and cavity on the connecting seat 11. Like this, the one side of the piece that generates heat communicates with each other with airflow channel, the opposite side of the piece that generates heat communicates with each other with atomizing chamber 7, owing to set up the passageway 31 of intercommunication airflow channel and atomizing chamber 7 on the piece that generates heat, make the cotton and the surface contact of sound wave atomizing piece of leading liquid, the sound wave atomizing piece communicates with each other with atomizing chamber 7, the great smog of sound wave atomizing piece spun particle diameter at first gets into atomizing chamber 7, the great smog of particle diameter is again through the piece heating that generates heat, form the smog that the particle diameter is littleer, the smog that the particle diameter is littleer flows to airflow channel from the passageway, air in the airflow channel takes smog out, for.

In some embodiments, referring to fig. 4, the air inlet channel 113 and the air guide channel 112 are respectively disposed on two opposite sidewalls of the connecting seat 11, and an axial direction of the air inlet channel 113 is parallel to an axial direction of the air guide channel 112, so that the air inlet channel 113, the cavity and the air guide channel 112 form a "U" shaped air flow channel for air flow. By adopting the above scheme, the air inlet channel 113 and the air guide channel 112 are respectively positioned on the two opposite side walls of the connecting seat 11, so that the air inlet channel 113, the concave cavity and the air guide channel 112 form a U-shaped airflow channel for air flow circulation, which is equivalent to forming two bending parts on the airflow channel, atomized smoke is blocked to a certain extent at the bending parts of the air guide channel 112, and the aerosol-forming substrate which is not sufficiently atomized can be retained at the bending parts of the cover, thereby avoiding the possibility that a user directly inhales the aerosol-forming substrate. In addition, because of the existence of the bending part of the air inlet channel 113, the air flow speed in the suction mouth of the user can be further reduced, the choking situation is avoided, and the mouth feel of the user is further improved.

In some embodiments, referring to fig. 3, the atomizer further includes a positioning member 8 for supporting and fixing the ultrasonic atomization sheet in the opening at the bottom end, and the positioning member 8 is provided with a positioning slot for accommodating and positioning the ultrasonic atomization sheet. Through adopting above-mentioned scheme, be equipped with setting element 8 in the bottom opening of connecting seat 11, the sound wave atomizing piece passes through setting element 8 location installation in the bottom opening of connecting seat 11, and the stability of reinforcing sound wave atomizing piece installation. With the positioning seat and the positioning sleeve, the positioning piece 8 can be a positioning seat with a positioning groove or a positioning sleeve, the positioning seat or the positioning sleeve is fixedly arranged in the bottom opening of the connecting seat 11, the sound wave atomization piece is accommodated in the positioning groove, and therefore the micropore atomization piece can be quickly and stably installed, the purpose of positioning the sound wave atomization piece is achieved, and the sound wave atomization piece is prevented from shaking in the bottom opening of the connecting seat 11 during working.

In some embodiments, referring to fig. 3 and 5, the positioning element 8 is an elastic sleeve, the positioning groove is a ring groove formed on an inner wall of the elastic sleeve, and the edge of the ultrasonic atomization sheet is accommodated and positioned in the ring groove. Through adopting above-mentioned scheme, set up setting element 8 into having elastic sleeve, only need locate the neighboring of sound wave atomizing piece with elastic sleeve cover to make the neighboring holding of ultrasonic wave atomizing piece and be located the annular on the inner wall of elastic sleeve, and then make elastic sleeve's outer wall and the bottom open-ended inner wall elastic contact of connecting seat 11, then conveniently with ultrasonic wave atomizing piece quick location install in the bottom opening of connecting seat 11. It is understood that the elastic sleeve may be, but is not limited to, a rubber member or a silicone member having a good elastic property. It can be understood that the positioning member 8 can also be made of an insulating material with elasticity, so that when the atomizing element 4 is a microporous atomizing sheet, the microporous atomizing sheet is supported and fixed on the positioning member 8 with elasticity, and the functions of shock absorption and noise reduction can be achieved.

In some embodiments, referring to fig. 3, the inner wall of the bottom opening extends inward along the circumferential direction to form a supporting portion 14, and the bottom end of the positioning member 8 is supported on the supporting portion 14. By adopting the above scheme, the inner wall of the bottom opening of the connecting seat 11 extends inwards along the circumferential direction to form the abutting part 14, the bottom end of the elastic sleeve is supported on the abutting part 14, the abutting part 14 abuts against and limits the bottom end of the elastic sleeve, and the installation stability of the ultrasonic atomization sheet is further enhanced.

In some embodiments, referring to fig. 2, fig. 5 and fig. 6, the atomizer further includes a liquid storage part 6 accommodated in the housing 1, a liquid storage cavity 10 is formed in an inner cavity of the liquid storage part 6, the liquid guiding part 5 is disposed on the liquid storage part 6, and the liquid guiding part 5 contacts with the atomizing part 4. In this embodiment, a removable reservoir 6 is provided separately in the housing 1, the reservoir 6 storing the aerosol-forming substrate is received in the housing 1, and the liquid-directing member 5 is provided on the reservoir 6 such that the liquid-directing member 5 is in contact with the atomising member 4. When the liquid guide piece 5 adopts liquid guide cotton and the atomization piece 4 adopts an ultrasonic micropore atomization sheet, in the working process of the aerosol generating device, the liquid guide cotton is in contact with the micropore atomization sheet, and the liquid guide cotton guides the aerosol formation substrate in the liquid storage piece 6 and permeates the micropore atomization sheet, so that the aerosol formation substrate is atomized by the micropore atomization sheet and then is sprayed out. Because the liquid guide cotton is in contact with the micropore atomization sheet, the liquid guide cotton is easily subjected to high-frequency vibration of the micropore atomization sheet after being used for a long time, and can fall off to generate fragments, so that the liquid guide cotton is not beneficial to human health, and the liquid guide cotton needs to be replaced in time. Consequently, with the cotton setting of drain on stock solution spare 6, when dismantling and change stock solution spare 6, can carry out whole replacement with stock solution spare 6 and drain cotton, improve the cotton convenience of changing the drain. It is understood that the liquid guiding member 5 may be a liquid guiding cotton but is not limited to the liquid guiding cotton, for example, the liquid guiding member 5 may also be a fiber rope having a capillary structure, a porous ceramic having a microporous structure, or a porous graphite having a microporous structure, or the like having a liquid absorbing (liquid guiding) capability. The specific choice of the liquid guiding member 5 can be set according to the actual use requirement, and is not limited herein. It will be appreciated that the reservoir 6 may be a bottle-shaped reservoir, a can-shaped reservoir, a cylinder-shaped reservoir, a cup-shaped reservoir, a trough-shaped reservoir or the like which can contain and store the aerosol-forming substrate, and the reservoir 6 may be specifically selected according to the actual use requirement, and is not limited herein.

In some embodiments, referring to fig. 3, a liquid outlet 61 is disposed at an end of the liquid storage element 6 close to the atomizing element 4, the liquid outlet 61 extends to the atomizing element 4 and is supported on the atomizing element 4, the liquid guiding element 5 is accommodated and fixed in the liquid outlet 61, and a surface of the liquid guiding element 5 facing the atomizing element 4 contacts the atomizing element 4.

In this embodiment, be equipped with liquid outlet 61 in the one end that stock solution spare 6 is close to atomizing 4, extend liquid outlet 61 to atomizing 4 for liquid outlet 61 supports on atomizing 4, and with drain 5 holding and be fixed in liquid outlet 61, the one side of drain 5 towards atomizing 4 contacts with atomizing 4. When drain 5 adopts the drain cotton, when atomizing 4 adopts ultrasonic wave micropore atomizing piece, in aerosol generating device working process, because the liquid outlet 61 of drain 5 supports in the micropore atomizing piece deviates from the one side that generates heat 3 to with the drain cotton holding and be fixed in liquid outlet 61, make the one side of drain cotton protrusion in the liquid outlet 61 of liquid spare deviate from the one side contact that generates heat 3 with the micropore atomizing piece. Like this, not only can make drain cotton and micropore atomization piece form the face contact, increased the area of contact of drain cotton and micropore atomization piece for aerosol forms substrate and permeates to micropore atomization piece more evenly, is favorable to improving the atomizing efficiency and the atomization effect of micropore atomization piece to aerosol formation substrate. And, in the aerosol generating device course of operation, because the liquid outlet 61 of drain 5 supports on the micropore atomization piece deviates from the one side that generates heat piece 3, the cotton holding of drain is fixed in liquid outlet 61, only make the cotton protrusion of drain in the one side of the liquid outlet 61 of liquid piece and the contact of the one side that micropore atomization piece deviates from that generates heat piece 3, the stability of the cotton installation of drain has been strengthened, the high-frequency vibration that has reduced the micropore atomization piece is to the cotton influence of drain, can avoid the cotton vibration of drain to drop to produce the piece to a certain extent, the life of the cotton of drain has been prolonged.

In some embodiments, referring to fig. 5 and 6 in combination, the atomizer includes a housing 1, a mouthpiece 2, a liquid storage member 6, a heat generating member 3, a liquid guiding member 5, and a contact electrode assembly (not shown). Wherein, casing 1 includes connecting seat 11 and base 12, and cigarette holder 2 is installed in the top of connecting seat 11, and the inside of connecting seat 11 is equipped with and holds the chamber, and stock solution spare 6 detachably installs in holding the chamber, and the inner chamber of stock solution spare 6 forms the stock solution chamber 10 of storing aerosol formation substrate. The bottom opening that communicates with holding the chamber is seted up to the bottom of connecting seat 11, and base 12 seal assembly is on the bottom opening of connecting seat 11, and drain 5 sets up in the bottom opening, and the concave cavity that is equipped with in the position that corresponds the bottom opening on base 12. The heating element 3 is arranged in the atomizing cavity 7 and fixed on the connecting seat 11, the contact electrode assembly is arranged on the base 12, the heating element 3 is electrically connected with the power supply device through the contact electrode assembly, the connecting seat 11 is provided with an air guide channel 112 for communicating the cigarette holder 2 and the atomizing cavity 7, and the connecting seat 11 is provided with an air inlet hole 111 for allowing external air flow to enter the atomizing cavity 7. Thus, when the aerosol generating device is used, the aerosol-forming substrate in the liquid storage part 6 is absorbed and/or stored only by the liquid guiding part 5, the liquid guiding part 5 permeates the absorbed and/or stored aerosol-forming substrate into the heat generating part 3, and the heat generating part 3 can generate heat under electric drive to heat and atomize the aerosol-forming substrate to generate smoke which can be inhaled by a user. When a user sucks the cigarette through the cigarette holder 2, external airflow quickly flows into the atomizing cavity 7 through the air inlet hole 111, and smoke in the atomizing cavity 7 is brought out to the cigarette holder 2 through the air guide channel 112 along with air airflow under the action of the airflow, so that the user can suck the cigarette to simulate smoking. Moreover, a window 114 for a user to take out from the accommodating cavity or put the liquid storage part 6 into the accommodating cavity is opened on the side wall of the connecting seat 11, and a sealing part 13 for opening and closing the window 114 and a locking connection structure (not shown in the figure) for locking the sealing part 13 are also provided on the connecting seat 11. When the aerosol-forming substrate in the reservoir 6 of the atomiser is exhausted, the window 114 may be conveniently opened simply by unlocking the closure member 13 with the locking connection, removing the reservoir 6 from the atomiser, adding aerosol-forming substrate to the reservoir 6, and then inserting the reservoir 6 with aerosol-forming substrate added into the atomiser through the window 114, or inserting another reservoir 6 with aerosol-forming substrate pre-stored therein into the atomiser through the window 114 to replace the original reservoir 6. Finally, the window 114 is closed by the closing member 13, and the closing member 13 is locked by the locking connection structure. Thus, when the aerosol-forming substrate in the atomizer is used up, the liquid storage member 6 can be conveniently and quickly taken out of the atomizer or replaced, and the trouble of using a special oil filling device to fill tobacco tar into the atomizer is eliminated, thereby facilitating the use of users.

In some embodiments, referring to fig. 6, two windows 114 are oppositely disposed on the side wall of the connecting seat 11, the closing member 13 includes a first clip 131 and a second clip 132 for opening and closing the two windows 114, respectively, and the locking connection structure is used for connecting the first clip 131 and the second clip 132 and locking the first clip 131 and the second clip 132 on the connecting seat 11. It is understood that the shape and size of the window 114 can be properly set according to the actual use requirement, and is not limited herein.

By adopting the above scheme, two windows 114 are oppositely arranged on the side wall of the connecting seat 11, the closing part 13 comprises a first clamping piece 131 and a second clamping piece 132 for opening and closing the two windows 114 respectively, and a locking connection structure for connecting the first clamping piece 131 and the second clamping piece 132 and locking the first clamping piece 131 and the second clamping piece 132 on the connecting seat 11 is arranged. After the liquid storage part 6 is placed in the accommodating cavity of the connecting seat 11, the corresponding windows 114 are only required to be closed by the first clamping piece 131 and the second clamping piece 132, the first clamping piece 131 and the second clamping piece 132 are connected by the locking connection structure, and the first clamping piece 131 and the second clamping piece 132 are locked on the connecting seat 11 by the locking connection structure. Thus, the first clamping piece 131 and the second clamping piece 132 can clamp and position the liquid storage part 6 accommodated in the accommodating cavity while respectively closing the corresponding windows 114, and the mounting stability of the liquid storage part 6 is enhanced. And after the aerosol-forming substrate in the atomizer is used up, when the liquid storage part 6 in the accommodating cavity needs to be taken out, the first clamping piece 131 and the second clamping piece 132 can be opened from the corresponding window 114 only by releasing the connection and the locking of the first clamping piece 131 and the second clamping piece 132 through the locking connection structure, so that the liquid storage part 6 can be conveniently and quickly taken out or replaced from the atomizer, and the convenience of replacing the liquid storage part 6 is improved.

In some embodiments, the locking connection structure includes a magnetic element (not shown) and a magnetic element (not shown) cooperating with the magnetic element to magnetically connect, the magnetic element is disposed on the first clip piece 131, and the magnetic element is disposed on the second clip piece 132. Through adopting above-mentioned scheme, the magnetism piece that a magnetism is connected is inhaled including magnetism piece and cooperation magnetism to locking connection structure, set up magnetism on first clamping piece 131 and inhale the piece, and set up the magnetism piece on second clamping piece 132, then the accessible magnetism is inhaled the piece and is connected with the magnetism of magnetism piece, it is convenient, realize the connection and the locking of first clamping piece 131 and second clamping piece 132 fast, the connection and the locking to first clamping piece 131 and second clamping piece 132 are relieved to the locking connection structure of also being convenient for simultaneously, the convenience of changing stock solution spare 6 has further been improved.

In some embodiments, the locking connection structure includes two magnetic attraction members (not shown) that are mutually coupled and magnetically connected, and the two magnetic attraction members are respectively disposed on the first clamping piece 131 and the second clamping piece 132. Through adopting above-mentioned scheme, locking connection structure includes that magnetism connects two magnetism of complex to inhale the piece, inhale a magnetism and inhale the piece setting on first clamping piece 131, inhale another magnetism and inhale the piece setting on second clamping piece 132, then the magnetism of piece is inhaled to two magnetism of accessible is connected, conveniently, realize the connection and the locking of first clamping piece 131 and second clamping piece 132 fast, the locking connection structure of also being convenient for simultaneously relieves the connection and the locking to first clamping piece 131 and second clamping piece 132, the convenience of changing stock solution spare 6 has further been improved. It is understood that the magnetic member in any of the above embodiments may be, but is not limited to, an electromagnet or a permanent magnet, and the magnetic member in any of the above embodiments may be, but is not limited to, an iron member, a cobalt member, a nickel member, or a gadolinium member having ferromagnetism.

It is understood that in other embodiments, the first clamping piece 131 on one side of the connecting seat 11 may be integrally formed with the connecting seat 11, and the second clamping piece 132 on the other side of the connecting seat 11 may be magnetically connected with the connecting seat 11. In other embodiments, the locking connection structure may also be a fastener such as a screw or a connection manner such as a snap connection, so as to connect and lock the first clamping piece 131 and the second clamping piece 132 to the connection seat 11, so that the first clamping piece 131 and the second clamping piece 132 respectively close the corresponding window 114. For example, a locking protrusion (not shown) is disposed on the second clip piece 132, and a locking groove 151 is disposed on the first clip piece 131 and is matched with the locking protrusion, so as to lock and fix the first clip piece 131 and the second clip piece 132 on the connecting base 11. Of course, the first clip piece 131 and the second clip piece 132 may be respectively provided with a locking protrusion or a locking groove 151, and the connecting base 11 is provided with a locking groove 151 or a locking protrusion respectively matched with the locking protrusion or the locking groove 151, so as to respectively connect and fix the first clip piece 131 and the second clip piece 132 to the connecting base 11.

In some embodiments, referring to fig. 5 and fig. 6, the first clip piece 131 is provided with a connecting post 15 extending into the accommodating cavity for connecting the second clip piece 132 with the first clip piece 131, a first end of the connecting post 15 is fixedly connected with the first clip piece 131, the locking connection structure includes a clamping groove 151 concavely disposed on an end surface of a second end of the connecting post 15 and a clamping protrusion (not shown) engaged with the clamping groove 151, and the clamping protrusion is convexly disposed on a surface of the second clip piece 132 facing the first clip piece 131.

Through adopting above-mentioned scheme, be equipped with spliced pole 15 on first clamping piece 131, the first end of spliced pole 15 links to each other with first clamping piece 131 is fixed towards the one side of second clamping piece 132, the second end of spliced pole 15 stretches into and holds in the chamber and extend to the one side of second clamping piece 132 towards first clamping piece 131, and set up draw-in groove 151 in the concave on the terminal surface of the second end of spliced pole 15, it is protruding to establish the joint in the one side of second clamping piece 132 towards first clamping piece 131, the joint is protruding to form the locking connection structure that the buckle is connected with draw-in groove 151 cooperation, connect and lock first clamping piece 131 and second clamping piece 132 with this.

In some embodiments, referring to fig. 6, the liquid storage component 6 is a liquid storage bottle with a cylindrical shape, a first arc-shaped groove 16 is disposed on a side surface of the first clamping piece 131 facing the liquid storage bottle, and a second arc-shaped groove (not shown) corresponding to the first arc-shaped groove 16 is disposed on the second clamping piece 132 for clamping the liquid storage bottle. Through adopting above-mentioned scheme, it is cylindric stock solution bottle to set up stock solution spare 6 to the profile, be equipped with first arc wall 16 on first clamping piece 131 towards the side of stock solution bottle, correspond on second clamping piece 132 and be equipped with the second arc wall with first arc wall 16 cooperation centre gripping stock solution bottle, when closing corresponding window 114 respectively at first clamping piece 131 and second clamping piece 132, usable first arc wall 16 cooperation second arc wall presss from both sides tight location to the stock solution bottle, further strengthen the stability of stock solution spare 6 installation, be favorable to preventing that the stock solution bottle from taking place radial offset at the in-process that uses.

In some embodiments, referring to fig. 3, an end of the liquid storage member 6 away from the mouthpiece 2 is provided with a liquid outlet 61, the liquid outlet 61 is accommodated and positioned in the bottom end opening, the liquid guiding member 5 is disposed in the liquid outlet 61 to close the liquid outlet 61, and the aerosol-forming substrate in the liquid storage cavity 10 can penetrate into the heat generating member 3 through the microporous structure of the liquid guiding member 5 under the action of gravity.

Through adopting above-mentioned scheme, be equipped with liquid outlet 61 in the one end that stock solution spare 6 deviates from cigarette holder 2 to with liquid outlet 61 holding and being located the bottom opening, can strengthen stock solution spare 6 and install the stability in the chamber that holds of connecting seat 11. And, one end that deviates from cigarette holder 2 at stock solution spare 6 is equipped with liquid outlet 61, only need set up drain 5 in liquid outlet 61, just can seal stock solution spare 6's liquid outlet 61, then store the aerosol formation matrix in stock solution spare 6's liquid chamber, alright with under the effect of self gravity, the microporous structure infiltration through drain 5 to the piece 3 that generates heat, then the piece 3 that generates heat can generate heat work under the electric drive, form the aerosol matrix heating and atomizing production can supply the user to inhale the smog. Like this, invert the setting with the stock solution port of stock solution spare 6, can make the aerosol formation substrate in the liquid chamber of stock solution spare 6 all atomize through the piece 3 that generates heat under the action of gravity, avoid taking place aerosol formation substrate in the stock solution spare 6 and remain, cause aerosol formation substrate extravagant.

In some embodiments, referring to fig. 3, a positioning member 8 for positioning the liquid outlet 61 is disposed in the bottom opening. Through adopting above-mentioned scheme, be equipped with setting element 8 in the bottom opening of connecting seat 11, liquid outlet 61 of stock solution spare 6 passes through setting element 8 location and installs in the bottom opening of connecting seat 11, the stability of reinforcing stock solution spare 6 installation. It can understand, the setting element 8 can be the positioning seat that is equipped with the locating hole, also can be the position sleeve that has the locating hole, positioning seat or position sleeve fixed mounting in the bottom opening of connecting seat 11, and the liquid outlet 61 of stock solution spare 6 is arranged in the locating hole to reach the purpose of the liquid outlet 61 of location stock solution spare 6, prevent that the liquid outlet 61 of stock solution spare 6 from taking place to rock in the bottom opening of connecting seat 11.

In some embodiments, referring to fig. 3 and fig. 5, the positioning element 8 is an elastic sleeve, the elastic sleeve is sleeved on the outer wall of the liquid outlet 61, and the outer wall of the elastic sleeve is in elastic contact with the inner wall of the bottom opening. Through adopting above-mentioned scheme, set up setting element 8 to having elastic sleeve, only need locate the outer wall of the liquid outlet 61 of stock solution spare 6 with elastic sleeve cover to make elastic sleeve's outer wall and the bottom open-ended inner wall elastic contact of connecting seat 11, then conveniently with the liquid outlet 61 location installation of stock solution spare 6 in the bottom opening of connecting seat 11. It is understood that the elastic sleeve may be, but is not limited to, a rubber member or a silicone member having a good elastic property.

In some embodiments, referring to fig. 3, the inner wall of the bottom opening extends inward along the circumferential direction to form a supporting portion 14, and the bottom end of the positioning member 8 is supported on the supporting portion 14. By adopting the above scheme, the inner wall of the bottom end opening of the connecting seat 11 extends inwards along the circumferential direction to form the abutting part 14, the bottom end of the elastic sleeve is supported on the abutting part 14, the abutting part 14 abuts against and limits the bottom end of the elastic sleeve, and the mounting stability of the liquid storage part 6 is further enhanced

The embodiment of the utility model provides a still provide an aerosol generating device, this aerosol generating device include the atomizer in above-mentioned arbitrary embodiment, can use on this atomizer assembly power supply unit or aerosol generating device host computer, form substrate atomizing formation smog through this atomizer with the aerosol to supply the user to inhale and reach the effect of simulation smoking.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An atomizer, comprising:

a mouthpiece mounted on the housing;

2. The atomizer of claim 1, wherein said atomizing member is an ultrasonic atomizing plate.

3. The atomizer according to claim 1, wherein a portion of said housing above said atomizing element forms said reservoir, a portion of said housing below said atomizing element forms said atomizing chamber, said atomizing element sprays atomized aerosol-forming substrate toward a lower portion of said atomizing element, and said heat generating element is disposed correspondingly below said atomizing element.

4. The atomizer of claim 1, wherein said housing defines an air inlet passage communicating between said air inlet and said atomizing chamber, said air inlet passage having an inner diameter that decreases from an end adjacent to said air inlet to an end adjacent to said atomizing chamber.

5. The atomizer according to claim 1, wherein the atomizing member is an ultrasonic atomizing sheet, the heat generating member is a heat generating sheet, the housing includes a connecting seat having a receiving cavity and a base seat hermetically fitted on a bottom opening of the connecting seat, the mouthpiece is mounted on a top end of the connecting seat, the receiving cavity of the connecting seat forms the reservoir cavity, the liquid guiding member is disposed in the bottom opening to close the reservoir cavity, the ultrasonic atomizing sheet is disposed in the bottom opening, a lower surface of the liquid guiding member contacts with an upper surface of the ultrasonic atomizing sheet to make aerosol-forming substrate in the reservoir cavity penetrate into the ultrasonic atomizing sheet through a microporous structure of the liquid guiding member under the action of gravity, a concave cavity is concavely disposed on a surface of the base seat facing the bottom opening, and the heat generating sheet is mounted on the connecting seat and located in the concave cavity, the bottom opening is internally provided with an atomizing plate and a space between the atomizing plate and the heating plate to form the atomizing cavity, the heating plate is provided with a channel communicated with the atomizing cavity and the cavity, the air inlet and the air guide channel are respectively arranged on the connecting seat, the air guide channel is communicated with the cavity, and the connecting seat is also provided with an air inlet channel communicated with the air inlet and the cavity.

6. The atomizer of claim 5, wherein said inlet channel and said air guide channel are disposed on opposite sidewalls of said connecting base, respectively, and the axial direction of said inlet channel is parallel to the axial direction of said air guide channel, such that said inlet channel, said cavity and said air guide channel form a "U" shaped air flow channel for air flow.

7. The atomizer according to claim 5, further comprising a positioning member for supporting and fixing the ultrasonic atomization sheet in the bottom opening, wherein the positioning member is an elastic sleeve, and a positioning groove for receiving and positioning the ultrasonic atomization sheet is formed in the positioning member, and the positioning groove is a ring groove formed in an inner wall of the elastic sleeve.

8. The atomizer of claim 7, wherein an inner wall of said bottom opening extends circumferentially inwardly to form a retaining portion, and a bottom end of said retainer is supported on said retaining portion.

9. The atomizer according to any one of claims 1 to 8, further comprising a liquid storage member received in the housing, wherein an inner cavity of the liquid storage member forms the liquid storage cavity, the liquid guide member is disposed on the liquid storage member, a liquid outlet is disposed at an end of the liquid storage member near the atomizing member, the liquid outlet extends to the atomizing member such that the liquid outlet is supported on the atomizing member, the liquid guide member is received and fixed in the liquid outlet, and a surface of the liquid guide member facing the atomizing member contacts the atomizing member.

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