CN216088896U - Aerosol generating device - Google Patents

Abstract

The utility model discloses an aerosol generating device. The aerosol generating device comprises a host and an atomizer, wherein an electrode is arranged on the host, the atomizer is detachably connected with the host, the atomizer comprises a shell, an air channel pipe, an atomizing core and a partition, and a liquid storage cavity is arranged in the shell; the air channel pipe is arranged in the liquid storage cavity and is provided with a permeation hole; the atomizing core is accommodated in the air passage pipe; the isolating piece is sleeved on the periphery of the air channel pipe in a sliding manner, and is provided with a through hole; wherein, when atomizer and host computer are not connected, the through-hole staggers each other with the infiltration hole, and spacer shutoff infiltration hole, when the atomizer is connected with the host computer, the electrode is connected with the atomizer electricity to make the spacer remove along the axis direction of gas channel pipe with the spacer butt, through-hole and infiltration hole intercommunication. By the mode, the liquid which can be atomized can be prevented from leaking when not used, so that the transportation, carrying and use are more convenient.

Description

Aerosol generating device

Technical Field

The utility model relates to the technical field of aerosol generating devices, in particular to an aerosol generating device.

Background

At present, aerosol generating device is usually including the stock solution chamber that is used for storing the liquid that can atomize to be provided with atomizing core in the stock solution intracavity, atomizing core can generate heat and then can atomize the liquid atomizing in order to form the atomizing droplet that can supply to use.

The atomizing in-core has the hole that can supply the atomizing liquid to flow, but this hole is the heating wire transport atomizing liquid to the atomizing core that can be continuous, but also because the hole for aerosol generation device is in the finished product transportation or before aerosol generation device sells, the phenomenon that the atomizing liquid that exists the stock solution intracavity takes place to leak and then produces the atomizer and steep the pollution for a long time through the atomizing core, not only can cause the atomizing liquid extravagant, still can cause the pollution, transport and carry the use and cause a great deal of inconvenience for the finished product of aerosol generation device.

SUMMERY OF THE UTILITY MODEL

The utility model provides an aerosol generating device, which aims to solve the technical problem that the atomized liquid is easy to leak.

In order to solve the technical problems, the utility model adopts a technical scheme that: there is provided an aerosol generating device comprising: the main machine is provided with an electrode; and the atomizer, with the host computer can be dismantled and be connected, the atomizer includes: the liquid storage device comprises a shell, wherein a liquid storage cavity is formed in the shell; the air channel pipe is arranged in the liquid storage cavity and is provided with a permeation hole; the atomizing core is accommodated in the air flue pipe; the isolating piece is sleeved on the periphery of the air channel pipe in a sliding manner, and a through hole is formed in the isolating piece; when the atomizer is not connected with the host, the through holes and the penetration holes are staggered, and the penetration holes are blocked by the isolating pieces; when the atomizer with the host computer is connected, the electrode with the atomizer electricity is connected, and with the separator butt makes the separator is followed the axis direction of gas channel pipe removes, the through-hole with the infiltration hole intercommunication.

Optionally, an air duct for conveying air flow is configured in the electrode, and an air hole communicated with the air duct is formed in the outer wall of the electrode.

Optionally, the atomizer includes a sealing plug, the sealing plug is sleeved on the periphery of the partition and used for plugging the liquid storage cavity, when the atomizer is not connected with the host, the sealing plug plugs the through hole, and when the atomizer is connected with the host, the through hole is moved out of the sealing plug.

Optionally, the atomizer includes a base, the base is connected to the housing, and the base abuts against one side of the sealing plug departing from the liquid storage cavity, an electrode hole is formed in the base, and when the host is connected with the atomizer, the electrode is inserted into the electrode hole and electrically connected with the atomizer.

Optionally, the separator includes isolation main part and effect portion, the isolation main part cover is located the periphery of gas channel pipe, the through-hole set up in keep apart in the main part, the effect portion connect in keep apart the lateral wall of main part to the axis direction that dorsad the gas channel pipe extends, the electrode is used for the butt the effect portion removes.

Optionally, the inner side wall of the isolating piece is provided with a limiting piece in a protruding manner, the atomizer comprises a resetting piece, and the resetting piece is arranged between the limiting piece and the shell and used for resetting the isolating piece to the first position when external force disappears.

Optionally, a smoke tube is arranged inside the housing, the smoke tube is in butt joint with the air channel tube, the atomizer comprises a connecting piece, and the connecting piece is sleeved on the peripheries of the smoke tube and the air channel tube and used for connecting the smoke tube and the air channel tube in a sealing manner.

Optionally, the tip of gas channel pipe is inserted in the inside of tobacco pipe, just the lateral wall butt of gas channel pipe in the inside wall of tobacco pipe, the connecting piece include the connecting pipe and connect in the sealed arch of connecting pipe inside wall, the inside wall of connecting pipe with the lateral wall of tobacco pipe with the lateral wall butt of separator, sealed protruding butt in on the terminal surface of tobacco pipe, the inside wall of connecting pipe with the lateral wall interval of gas channel pipe sets up, the piece that resets presss from both sides and locates the inside wall of connecting pipe with between the lateral wall of gas channel pipe.

Optionally, be equipped with the spacing groove on the lateral wall of gas channel pipe, the atomizer includes the sealing washer, the sealing washer card is located the spacing inslot to the butt in the inside wall of separator.

Optionally, an air inlet is arranged on the air channel pipe, the air inlet and the penetration hole are arranged on two opposite sides of the sealing plug at an interval along the axial direction of the air channel pipe, and the limiting groove is located between the air inlet and the penetration hole.

The utility model has the beneficial effects that: the utility model sets the isolation piece on the periphery of the air channel pipe, and sets the through hole on the isolation piece, when the atomizer is not used or in the transportation process, the atomizer can be disconnected with the host machine, at the moment, the through hole on the isolation piece and the penetration hole are staggered, the atomized liquid in the liquid storage cavity can not enter the penetration hole and contact with the atomizing core, thereby avoiding the leakage of the atomized liquid, when the atomizer needs to be used, the atomizer can be connected with the host machine, at the moment, the through hole on the isolation piece is communicated with the penetration hole, the atomized liquid in the liquid storage cavity can enter the penetration hole through the through hole, and is heated by the atomizing core after contacting with the atomizing core to generate the atomized small liquid drops which can be used. In conclusion, the atomizer can prevent the atomized liquid from leaking when not in use, so that the atomizer is more convenient to transport, carry and use.

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 description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a schematic cross-sectional view of an aerosol generating device according to an embodiment of the utility model;

FIG. 2 is a schematic view of a portion of the enlarged structure of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the nebulizer of FIG. 1 disconnected from the host;

fig. 4 is an exploded view of the atomizer of fig. 3.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, fig. 1 is a schematic cross-sectional structure diagram of an aerosol generating device 00 according to an embodiment of the present invention, fig. 2 is a schematic partial enlarged structure diagram of fig. 1, fig. 3 is a schematic cross-sectional structure diagram of the atomizer 100 of fig. 1 when the atomizer is disconnected from the host 200, and fig. 4 is a schematic exploded structure diagram of the atomizer 100 of fig. 3. The utility model provides an aerosol generating device 00, wherein the aerosol generating device 00 comprises a host 200 and an atomizer 100, wherein the host 200 is provided with an electrode 210, and the atomizer 100 is detachably connected with the host 200.

Wherein, the atomizer 100 and the host 200 can be detachably connected by means of a buckle or a thread, etc., so as to facilitate the replacement of the atomizer 100 and improve the service life of the host 200.

Further, the atomizer 100 includes a housing 10, an air passage tube 20, an atomizing core 30, and a spacer 40. A liquid storage cavity 12 is arranged in the shell 10; the air channel pipe 20 is arranged in the liquid storage cavity 12, and the air channel pipe 20 is provided with a penetration hole 22; the atomizing core 30 is accommodated in the air passage tube 20; the isolating piece 40 is sleeved on the periphery of the air channel pipe 20 in a sliding manner, and a through hole 42 is formed in the isolating piece 40; when the atomizer 100 is not connected with the host 200, the through holes 42 are staggered with the penetration holes 22, the partition 40 blocks the penetration holes 22, when the atomizer 100 is connected with the host 200, the electrodes 210 are electrically connected with the atomizer 100 and abut against the partition 40 to enable the partition 40 to move along the axial direction of the air channel pipe 20, and the through holes 42 are communicated with the penetration holes 22.

According to the utility model, the partition 40 is arranged on the periphery of the air channel pipe 20, the through hole 42 is arranged on the partition 40, when the atomizer 100 is not used or in a transportation process, the atomizer 100 can be disconnected from the host 200, at the moment, the through hole 42 on the partition 40 and the penetration hole 22 are staggered, the atomized liquid contained in the liquid storage cavity 12 cannot enter the penetration hole 22 to be contacted with the atomizing core 30, further, the atomized liquid can be prevented from leaking, when the atomizer 100 needs to be used, the atomizer 100 can be connected with the host 200, at the moment, the through hole 42 on the partition 40 is communicated with the penetration hole 22, the atomized liquid in the liquid storage cavity 12 can enter the penetration hole 22 through the through hole 42, and is heated by the atomizing core 30 after being contacted with the atomizing core 30 to generate the atomized small liquid drops for use. In summary, the atomizer 100 of the present invention can prevent the liquid that can be atomized from leaking when not in use, so as to facilitate transportation, carrying and use.

Specifically, the housing 10 may be a plastic housing 10, and the reservoir 12 may be further formed by injection molding. Thus, the production efficiency of the housing 10 can be improved. Alternatively, the housing 10 may be made of metal or alloy, so that the housing 10 has a metallic luster.

Atomizing core 30 can adopt the absorption cotton that can adsorb the atomizing liquid etc. to make to inside or outside setting of materials such as absorption cotton can generate heat heating members such as heater strip or heating network, when adsorbing cotton absorption has the atomizing liquid, heating members such as heater strip or heating network circular telegram can generate heat and then the atomizing can the atomizing liquid. Alternatively, the atomizing core 30 may also be a ceramic atomizing core 30 or other common types of atomizing cores 30, and the present application is not limited thereto.

Alternatively, the through-holes 42 and the penetration holes 22 may be provided as circular holes, the number of the penetration holes 22 may be two, and two penetration holes 22 may be provided on diametrically opposite sides of the airway tube 20. The number of the through holes 42 may be two, and two through holes 42 may be provided at diametrically opposite sides of the separator 40. By providing the permeate holes 22 and the vent holes 42 on opposite sides of the atomizing core 30, the liquid of the nebulizable liquid can be made uniform.

Further, when the atomizer 100 is connected to the host 200, the through hole 42 and the penetration hole 22 are coaxially disposed, so as to prevent the penetration hole 22 from being blocked by the through hole 42, and increase the flow speed of the liquid to be atomized.

Further, as shown in fig. 2, an air duct 212 for conveying an air flow is disposed in the electrode 210, and an air hole 214 communicating with the air duct 212 is provided in an outer wall of the electrode 210.

Specifically, the air duct 20 of the atomizer 100 needs to be communicated with the outside, so that when inhaling, the air flow can flow into the air duct 20 to take away the liquid droplets atomized by the atomizing core 30. By providing an air duct 212 within the electrode 210, it may be used to deliver a flow of air into the air duct tube 20.

Since the end of the electrode 210 abuts on the spacer 40 and closes the end of the air duct 212, an air hole 214 communicating with the air duct 212 may be provided in the side wall of the electrode 210 so that the air flow can enter the air duct tube 20 through the air hole 214.

In some embodiments, the electrode 210 may be a cylindrical electrode, and the air hole 214 may be disposed around the outer circumference of the electrode 210. Alternatively, in other embodiments, the electrode 210 may be provided in a tapered shape, and the air holes 214 may be provided on the tapered surface of the electrode 210. Alternatively, in some embodiments, a bump or a wave-shaped protrusion may be provided on the end surface of the electrode 210 abutting the separator 40 to reduce the abutting area of the electrode 210 and the separator 40, so as to leave a gap between the electrode 210 and the separator 40 for the gas to pass through.

It is understood that in the present embodiment, the air hole 214 may be a circular, square or other regular or irregular through hole, the air hole 214 may be disposed on only the sidewall of the electrode 210, and the air hole 214 may also communicate the sidewall of the electrode 210 and the top wall of the electrode 210 abutting against the spacer 40 to form a wedge-shaped gap, and the shape of the air hole 214 is not particularly limited in the present application.

Further, as shown in fig. 1 to 4, the atomizer 100 includes a sealing plug 50, the sealing plug 50 is sleeved on the periphery of the partition 40 and abuts against the sidewall of the reservoir 12, and is in interference fit with the partition 40 and the sidewall of the reservoir 12, so as to seal the reservoir 12, and prevent the liquid that can be atomized from leaking from the gap between the housing 10 and the partition 40.

When the atomizer 100 is not connected to the host 200, the sealing plug 50 blocks the through hole 42, so that the nebulizable liquid is prevented from entering between the spacer 40 and the air duct tube 20 through the through hole 42, and the nebulizable liquid leaks from the gap between the spacer 40 and the air duct tube 20. When the nebulizer 100 is connected to the host 200, the electrode 210 moves against the spacer 40 so that the through hole 42 moves out of the sealing plug 50 for the passage of the nebulizable liquid.

In conclusion, the sealing plug 50 can not only improve the sealing effect of the liquid storage chamber 12, but also improve the sealing effect of the gap between the partition 40 and the air duct 20, so as to prevent the atomized liquid from leaking.

Further, as shown in fig. 2 and 3, the atomizer 100 includes a base 60, the base 60 is connected to the housing 10 and abuts against a side of the sealing plug 50 away from the reservoir 12 for positioning and limiting the sealing plug 50, so as to prevent the sealing plug 50 from sliding relative to the housing 10.

Alternatively, as shown in fig. 1 and 2, a positioning protrusion 62 may be provided on the surface of the base 60 facing the sealing plug 50, and a positioning groove 52 may be provided at the position of the sealing plug 50 corresponding to the positioning protrusion 62, and the positioning protrusion 62 is inserted into the positioning groove 52 to improve the abutting effect of the base 60 on the sealing plug 50 and prevent the sealing plug 50 from rotating relative to the housing 10.

Further, as shown in fig. 2 and 3, the base 60 is provided with an electrode hole 64, and when the host 200 is connected to the atomizer 100, the electrode 210 is inserted into the electrode hole 64 and electrically connected to the atomizer 100.

Specifically, the rigid electrode 210 electrically connected to the battery is provided on the main body 200 of the aerosol generating apparatus 00, the electrode hole 64 through which the electrode 210 passes is provided on the base 60, and when the atomizer 100 is connected to the main body 200, the electrode 210 is inserted into the electrode hole 64 to electrically connect the atomizing core 30 to the battery, thereby controlling the atomizing core 30 to heat. Through setting up electrode 210 and abutting the separator 40 and moving, can make the through-hole 42 on the separator 40 only need align with the infiltration hole 22 when atomizing core 30 needs work, for atomizing core 30 provides the atomizing liquid, and then avoid the maloperation and lead to the atomizing liquid to take place to leak from atomizing core 30.

Alternatively, as shown in fig. 1, the isolating member 40 may include an isolating body 41 and an acting portion 43, the isolating body 41 is sleeved on the periphery of the air channel tube 20, the through hole 42 is provided on the isolating body 41, and the acting portion 43 is connected to the outer side wall of the isolating body 41 and extends in the axial direction away from the air channel tube 20. When the electrode 210 is inserted into the electrode hole 64, it abuts against the action portion 43, and thereby drives the separator 40 to move in the axial direction of the airway tube 20. By providing the working portion 43 having a large cross-sectional dimension, the distance between the electrode hole 64 and the separator body 41 can be increased, and interference between the electrode hole 64 and the gas passage tube 20 can be avoided.

Further, as shown in fig. 3, a retaining member 44 protrudes from an inner sidewall of the spacer 40, and the atomizer 100 includes a reset member 70, where the reset member 70 is disposed between the retaining member 44 and the housing 10, and is used for resetting the spacer 40 when the external force is removed, so that the through hole 42 of the spacer 40 and the penetration hole 22 of the air duct tube 20 are staggered.

Specifically, the reset element 70 may be, for example, a spring, which is sleeved on the air duct 20 and elastically clamped between the limiting element 44 and the housing 10, so that when the atomizer 100 is connected to the host 200, the electrode 210 abuts against the spacer 40 to move upward, thereby compressing the reset element 70; when the atomizer 100 is disconnected from the host 200, the electrode 210 is pulled away from the electrode hole 64, and the elastic force of the spring abuts against the limiting member 44 to drive the partition member 40 to reset downwards, so as to stagger the through hole 42 and the penetration hole 22, and thus, the partition member 40 can be timely reset to prevent the atomized liquid from leaking.

Optionally, the reset element 70 may also be an elastic element such as a spring sheet or foam, which is not limited in this application.

Further, as shown in fig. 3 and 4, a smoke tube 14 is disposed inside the housing 10, the smoke tube 14 is abutted to the air duct tube 20, and the atomizer 100 includes a connector 80, the connector 80 is sleeved on the outer peripheries of the smoke tube 14 and the air duct tube 20 for hermetically connecting the smoke tube 14 and the air duct tube 20, so as to improve the sealing performance of the liquid storage chamber 12.

Alternatively, as shown in fig. 3 and 4, the cross-sectional dimension of the airway tube 20 may be smaller than the cross-sectional dimension of the smoke tube 14, so as to insert the end of the airway tube 20 into the smoke tube 14, and the outer sidewall of the airway tube 20 abuts against the inner sidewall of the smoke tube 14, so as to enhance the connection strength between the airway tube 20 and the smoke tube 14.

Further, a connecting member 80 may be provided, which includes a connecting tube 81 and a sealing protrusion 82 connected to the inner side wall of the connecting tube 81, the inner side wall of the connecting tube 81 is abutted against the outer side wall of the smoke tube 14 and the outer side wall of the partition 40, and the sealing protrusion 82 is abutted against the end surface of the smoke tube 14 to seal the gap between the air passage tube 20 and the smoke tube 14.

The inner sidewall of the connection pipe 81 and the outer sidewall of the air passage pipe 20 may be spaced apart from each other, and the reset device 70 may be interposed between the inner sidewall of the connection pipe 81 and the outer sidewall of the air passage pipe 20. On the one hand, the nebulizable liquid can be prevented from contacting the restoring element 70 and damaging the restoring element 70, and on the other hand, the sealing effect of the connecting element 80 can also be improved.

Further, as shown in fig. 3 and 4, a limit groove 24 may be provided on an outer side wall of the air passage pipe 20, and the atomizer 100 may include a seal ring 90, and the seal ring 90 is engaged with the limit groove 24 and abuts against an inner side wall of the spacer 40. The limiting groove 24 can limit and position the sealing ring 90, and prevent the sealing ring 90 from being displaced when the air duct pipe 20 moves relative to the spacer 40. The sealing ring 90 is provided to seal the gap between the air duct 20 and the partition 40, and to prevent the leakage of the nebulizable liquid through the gap between the air duct 20 and the partition 40 when the through-hole 42 communicates with the permeation hole 22.

Further, as shown in fig. 3 and 4, in order to make the air intake of the atomizer 100 smooth, an air inlet 26 may be disposed on the air duct 20, the air inlet 26 and the penetration hole 22 are disposed on opposite sides of the sealing plug 50 along the axial direction of the air duct 20 at an interval, and the limiting groove 24 is disposed between the air inlet 26 and the penetration hole 22 to prevent the liquid that can be atomized from leaking through the air inlet 26, and prevent the liquid that can be atomized from contacting with air to volatilize and oxidize to deteriorate, thereby ensuring the quality of the liquid that can be atomized and increasing the storage time of the atomizer 100.

In summary, as is readily understood by those skilled in the art, in the present invention, the partition 40 is disposed on the periphery of the air channel tube 20, and the through hole 42 is disposed on the partition 40, when the atomizer 100 is not used or in a transportation process, the atomizer 100 can be disconnected from the host 200, at this time, the through hole 42 on the partition 40 and the penetration hole 22 are staggered from each other, the nebulizable liquid contained in the liquid storage chamber 12 cannot enter the penetration hole 22 and contact with the nebulizing core 30, so as to prevent the nebulizable liquid from leaking, when the atomizer 100 needs to be used, the atomizer 100 can be connected to the host 200, at this time, the through hole 42 on the partition 40 communicates with the penetration hole 22, and the nebulizable liquid in the liquid storage chamber 12 can enter the penetration hole 22 through the through hole 42 and be heated by the nebulizing core 30 after contacting with the nebulizing core 30 to generate nebulized small liquid droplets for use. In summary, the atomizer 100 of the present invention can prevent the liquid that can be atomized from leaking when not in use, so as to facilitate transportation, carrying and use.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. An aerosol generating device, comprising:

the main machine is provided with an electrode; and

the atomizer, with the connection can be dismantled to the host computer, the atomizer includes:

the liquid storage device comprises a shell, wherein a liquid storage cavity is formed in the shell;

the air channel pipe is arranged in the liquid storage cavity and is provided with a permeation hole;

the atomizing core is accommodated in the air flue pipe; and

the isolating piece is sleeved on the periphery of the air channel pipe in a sliding manner, and a through hole is formed in the isolating piece;

when the atomizer is not connected with the host, the through holes and the penetration holes are staggered, and the penetration holes are blocked by the isolating pieces; when the atomizer with the host computer is connected, the electrode with the atomizer electricity is connected, and with the separator butt makes the separator is followed the axis direction of gas channel pipe removes, the through-hole with the infiltration hole intercommunication.

2. An aerosol generating device according to claim 1, wherein the electrode is provided with an air duct for conveying an air flow therein, and an air hole communicating with the air duct is provided in an outer wall of the electrode.

3. An aerosol generating device according to claim 2, wherein the atomizer comprises a sealing plug, the sealing plug is sleeved on the periphery of the partition and used for sealing the reservoir, the sealing plug seals the through hole when the atomizer is not connected to the host, and the through hole is removed from the sealing plug when the atomizer is connected to the host.

4. An aerosol generating device according to claim 3, wherein the atomizer comprises a base, the base is connected to the housing and abuts against a side of the sealing plug facing away from the reservoir, the base is provided with an electrode hole, and when the host is connected to the atomizer, the electrode is inserted into the electrode hole and electrically connected to the atomizer.

5. The aerosol generating device of claim 4, wherein the separator comprises a separating body and an acting portion, the separating body is sleeved on the periphery of the air channel pipe, the through hole is formed in the separating body, the acting portion is connected to the outer side wall of the separating body and extends in the direction away from the axis of the air channel pipe, and the electrode is used for abutting against the acting portion to move.

6. An aerosol generating device according to claim 1, wherein the spacer has a retaining member protruding from an inner sidewall thereof, and the atomizer comprises a reset member disposed between the retaining member and the housing for resetting the spacer when the external force is removed.

7. The aerosol generating device of claim 6, wherein the housing has a smoke tube disposed therein, the smoke tube is in butt joint with the airway tube, and the atomizer comprises a connector, the connector is sleeved around the smoke tube and the airway tube for sealing the smoke tube and the airway tube.

8. The aerosol generating device of claim 7, wherein the end of the air duct is inserted into the smoke tube, and the outer sidewall of the air duct abuts against the inner sidewall of the smoke tube, the connecting member includes a connecting tube and a sealing protrusion connected to the inner sidewall of the connecting tube, the inner sidewall of the connecting tube abuts against the outer sidewall of the smoke tube and the outer sidewall of the separating member, the sealing protrusion abuts against the end surface of the smoke tube, the inner sidewall of the connecting tube and the outer sidewall of the air duct are spaced apart from each other, and the reset member is clamped between the inner sidewall of the connecting tube and the outer sidewall of the air duct.

9. The aerosol generating device of claim 3, wherein a limiting groove is formed on an outer side wall of the air duct tube, the atomizer comprises a sealing ring, and the sealing ring is clamped in the limiting groove and abuts against an inner side wall of the partition.

10. An aerosol generating device according to claim 9, wherein the air duct tube is provided with an air inlet hole, the air inlet hole and the penetration hole are arranged on opposite sides of the sealing plug at an interval in the axial direction of the air duct tube, and the limiting groove is located between the air inlet hole and the penetration hole.

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