WO2024139077A1 - Atomizer and aerosol generating device - Google Patents

Abstract

An atomizer and an aerosol generating device. The atomizer comprises an atomization cartridge main body (1), an atomizing core (2), and a sealing member (3) used for being arranged into an atomization channel (15) and/or an air inlet (17) in a matching manner. In the structure of the atomizer, the atomization channel (15) is provided inside the atomization cartridge main body (1), the atomizing core (2) is mounted in the atomization channel (15), and the air inlet (17) communicated with the atomization channel (15) is provided in the atomization cartridge main body (1). Before the atomizer is started, the sealing member (3) only needs to be arranged into the atomization channel (15) and/or the air inlet (17), and the sealing member (3) is used to fill and seal the atomization channel (15) and/or the air inlet (17), so that the atomization liquid can be prevented from being gathered in the atomization channel (15), and a closed cavity is formed in the atomization channel (15), and thus pollution and waste caused by leakage of the atomization liquid through the atomization channel (15) are effectively prevented, thereby improving the use experience of a user. When the atomizer needs to be used, the atomization channel (15) and/or the air inlet (17) can be conveniently and quickly opened only by moving the sealing member (3) out of the atomization channel (15) and/or the air inlet (17).

Description

Nebulizers and aerosol generating devices Technical Field

The present invention belongs to the technical field of atomization, and in particular, relates to an atomizer and an aerosol generating device.

Background technique

The aerosol generating device generally includes an atomizer and a power supply device electrically connected to the atomizer. The atomizer can heat and atomize the atomized liquid stored in the atomizer to form an aerosol under the electric drive of the power supply device. At present, the atomizer is generally provided with a liquid storage chamber and an atomizing chamber. The liquid storage chamber and the atomizing chamber are directly connected through a liquid inlet hole. The atomized liquid in the liquid storage chamber can enter the atomizing chamber through the liquid inlet hole. After the atomized liquid gathers and converges in the atomizing chamber, the atomized liquid exists in the atomizing chamber, which can easily cause the atomizer to leak, affecting the user's experience.

Summary of the invention

Based on the above problems existing in the prior art, one of the purposes of the embodiments of the present invention is to provide an atomizer to solve the problem in the prior art that atomized liquid accumulates in the atomizing chamber, which easily causes liquid leakage in the atomizer.

To achieve the above object, the technical solution adopted by the present invention is: to provide an atomizer, comprising:

An atomizing bomb body, with an atomizing channel inside, and an air inlet for introducing external air into the atomizing channel on the atomizing bomb body;

an atomizing core, used for atomizing the atomizing liquid to form an aerosol, wherein the atomizing core is disposed in the atomizing channel; and

A sealing member, adapted to be inserted into the atomization channel and/or the air inlet;

When the sealing member is placed in the atomizing channel and/or the air inlet, the sealing member fills and seals the atomizing channel and/or the air inlet; when the sealing member is removed from the atomizing channel and/or the air inlet, the atomizing channel and/or the air inlet are filled and sealed. When the atomization channel and/or the air inlet are closed, the sealing member opens the atomization channel and/or the air inlet.

Furthermore, the atomizer bomb body includes an outer shell, an atomizer tube arranged in the outer shell, and a base installed on the bottom opening of the outer shell. The inner part of the outer shell outside the atomizer tube defines a liquid storage chamber for storing atomized liquid. The tube cavity of the atomizer tube forms the atomization channel. The outer shell is provided with an air outlet connected to the atomization channel. The side wall of the atomizer tube is provided with a liquid guide hole. The atomized liquid in the liquid storage chamber can be transmitted to the atomizer core in the atomization channel via the liquid guide hole. The air inlet is provided on the base, or the air inlet is formed by an end of the atomizer tube away from the air outlet.

Furthermore, the sealing member includes a sealing rod, the atomization core is provided with a central air channel for the sealing rod to pass through, and the sealing rod is inserted into the air outlet, the atomization channel, the central air channel and the air inlet to fill and seal the air outlet, the atomization channel, the central air channel and the air inlet.

Furthermore, the atomizer bomb body also includes a suction nozzle arranged on the top of the shell, the suction nozzle is provided with the air outlet, and an air guide channel connecting the air outlet and the atomization channel, and the diameters of the air guide channel, the atomization channel, and the central air channel gradually become smaller.

Furthermore, the sealing rod includes a first sealing segment for inserting and filling the air guide channel, a second sealing segment for inserting and filling the atomization channel, and a third sealing segment for inserting and filling the central air channel and the air inlet, and the second sealing segment connects the first sealing segment and the third sealing segment; the closure also includes a sealing sleeve for sealing the air inlet, and the end of the third sealing segment away from the second sealing segment is inserted into the sleeve hole of the sealing sleeve.

Furthermore, the sealing member includes a sealing plug for sealing the air outlet of the atomizer bomb body, a sealing sleeve for sealing the air inlet and a sealing rod for closing the atomization channel, the first end of the sealing rod is connected to the sealing plug, and the second end of the sealing rod is inserted into the sleeve hole of the sealing sleeve.

Furthermore, at least one sealing groove is provided on the outer peripheral wall of the sealing rod, and a sealing ring is provided in the sealing groove.

Furthermore, the second end of the sealing rod is provided with a Cone head.

Furthermore, the sealing member is an elastic silicone member or a rubber member.

Based on the above problems existing in the prior art, a second purpose of the embodiments of the present invention is to provide an aerosol generating device having an atomizer in any of the above solutions.

To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: to provide an aerosol generating device, including the atomizer provided by any of the above-mentioned solutions.

Compared with the prior art, the one or more technical solutions in the embodiments of the present invention have at least one of the following beneficial effects:

The atomizer and aerosol generating device in the embodiment of the present invention, in the atomizer structure, an atomization channel is arranged inside the atomizer bomb body, an atomization core is installed in the atomization channel, and an air inlet connected to the atomization channel is provided on the atomizer bomb body. Before the atomizer is activated, it is only necessary to place the closure in the atomization channel and/or the air inlet, and use the closure to fill and close the atomization channel and/or the air inlet, which can not only avoid the accumulation of atomized liquid in the atomization channel, but also make the atomization channel form a closed cavity, effectively preventing the atomized liquid from leaking through the atomization channel and causing pollution and waste, thereby improving the user experience. When the atomizer needs to be used, it is only necessary to move the closure out of the atomization channel and/or the air inlet, and the atomization channel and/or the air inlet can be opened conveniently and quickly.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

FIG1 is a schematic cross-sectional view of an atomizer provided in an embodiment of the present invention;

FIG2 is a schematic cross-sectional view of the atomizer bomb body provided by an embodiment of the present invention;

FIG3 is an assembly diagram of a closure member provided in an embodiment of the present invention;

FIG4 is an exploded view of a closure member provided in an embodiment of the present invention;

FIG5 is a schematic cross-sectional view of a sealing rod provided in an embodiment of the present invention;

FIG6 is an exploded view of an atomizer provided in an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of an aerosol generating device provided in an embodiment of the present invention.

Among them, the reference numerals in the figure are:
1- atomizer bomb body; 11- shell; 12- atomizer tube; 13- base; 14- nozzle; 141- air guide channel;
15-atomization channel; 16-liquid storage chamber; 17-air inlet; 18-air outlet; 19-liquid guide hole;
2- atomizer core; 21- central airway;
3-closing member; 31-sealing rod; first sealing section 311-first sealing section; 312-second sealing section;
313-third sealing section; 314-cone head; 32-sealing sleeve; 321-sleeve hole; 33-sealing plug;
4-sealing groove; 5-sealing ring; 6-holding part; 7-slot; 8-power supply device.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

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

In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first", "second", and "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined. The meaning of "plurality" is one or more, unless otherwise clearly and specifically defined.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", The orientations or positional relationships indicated by “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, etc. are based on the orientations or positional relationships shown in the drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Reference throughout the specification to "one embodiment" or "an embodiment" means that the specialized features, structures, or characteristics described in connection with the embodiment are included in at least one embodiment of the present application. Thus, the phrases "in one embodiment," "in some embodiments," or "in some of these embodiments" appear in various places throughout the specification, not all of which refer to the same embodiment. Furthermore, in one or more embodiments, the specialized features, structures, or characteristics may be combined in any suitable manner.

Please refer to Figures 1 to 6 together, and now the atomizer provided by the embodiment of the present invention will be described. The atomizer provided by the embodiment of the present invention is suitable for an aerosol generating device. The aerosol generating device mentioned in the embodiment of the present invention generally includes an atomizer and a power supply device 8 electrically connected to the atomizer. When the aerosol generating device is used, the power supply device 8 can provide electrical energy to the atomizer, and the atomizer core 2 of the atomizer, under the action of electric drive, atomizes the atomized liquid stored in the atomizer to form an aerosol that can be inhaled by the user.

Please further refer to Figures 1, 2 and 6. The atomizer provided by the embodiment of the present invention includes an atomizer bomb body 1, an atomizer core 2 and a closure 3. The outer contour of the atomizer bomb body 1 is columnar. The interior of the atomizer bomb body 1 is provided with an atomizer channel 15. The atomizer bomb body 1 is provided with an air inlet 17 for introducing external air into the atomizer channel 15. The air inlet 17 is connected to the atomizer channel 15. The atomizer core 2 is arranged in the atomizer channel 15. The atomizer core 2 can atomize the atomized liquid to form an aerosol. The atomized aerosol of the atomizer core 2 can be released to the atomizer. The atomizing channel 15. It should be noted that the atomizing core 2 can be, but is not limited to, a metal atomizing core 2 or a ceramic atomizing core 2 that can atomize the atomized liquid to form an aerosol. The closure 3 can be used to be inserted into the atomizing channel 15, the closure 3 can also be used to be inserted into the air inlet 17, and the closure 3 can also be used to be inserted into the atomizing channel 15 and the air inlet 17. Please further refer to Figure 1. Before the atomizer is activated, it is only necessary to insert the closure 3 into the atomizing channel 15 and/or the air inlet 17, and use the closure 3 to fill the atomizing channel 15 and/or the air inlet 17 to avoid the atomizing liquid from gathering in the atomizing channel 15. The atomizing channel 15 and/or the air inlet 17 are closed by the closure 3, and the atomizing channel 15 and/or the air inlet 17 will form a state of pullback force and voltage stabilization in the atomizing channel 15, effectively preventing the atomizing liquid from leaking. Please further refer to Figure 2. When the atomizer needs to be used, the closure 3 only needs to be moved out of the atomizing channel 15 and/or the air inlet 17, and the closure 3 can open the atomizing channel 15 and/or the air inlet 17. Under the negative pressure formed by the user's inhalation, the external air can be introduced into the atomizing channel 15 through the air inlet 17. The aerosol in the atomizing channel 15 is first mixed with the air introduced into the atomizing channel 15, and then introduced into the air outlet 18 together with the air flow, and finally flows out to the user's mouth through the air outlet 18. It should be noted that before the atomizer is activated, it includes but is not limited to situations or usage occasions such as the atomizer is in the process of transportation, the atomizer is in the process of storage, or the atomizer is in the process of carrying.

Compared with the prior art, the atomizer provided by the embodiment of the present invention is provided with an atomizing channel 15 inside the atomizing bomb body 1, an atomizing core 2 is installed in the atomizing channel 15, and an air inlet 17 connected to the atomizing channel 15 is provided on the atomizing bomb body 1. Before the atomizer is activated, it is only necessary to place the closure 3 into the atomizing channel 15 and/or the air inlet 17, and use the closure 3 to fill and close the atomizing channel 15 and/or the air inlet 17, which can not only avoid the atomizing liquid from accumulating in the atomizing channel 15, but also make the atomizing channel 15 form a closed cavity, effectively preventing the atomizing liquid from leaking through the atomizing channel 15 and causing pollution and waste, thereby improving the user's experience. When the atomizer needs to be used, it is only necessary to move the closure 3 out of the atomizing channel 15 and/or the air inlet 17, and the atomizing channel 15 and/or the air inlet 17 can be opened conveniently and quickly.

Please further refer to Figures 1, 2 and 6. In some embodiments, the atomizer bomb body 1 includes a shell 11, an atomizer tube 12 disposed in the shell 11, and a base 13 installed on the bottom opening of the shell 11. The portion of the shell 11 outside the atomizer tube 12 defines a liquid storage chamber 16 for storing atomized liquid. The tube cavity of the atomizer tube 12 forms an atomization channel 15. The shell 11 is provided with an air outlet connected to the atomization channel 15. The atomizing tube 12 has a liquid guide hole 19 on its side wall, and the atomized liquid in the liquid storage chamber 16 can be transferred to the atomizing core 2 in the atomizing channel 15 through the liquid guide hole 19. The air inlet 17 is provided on the base 13. It should be noted that the air inlet 17 can be, but is not limited to, provided on the base 13. For example, in some other embodiments, the air inlet 17 can also be directly formed by an end port of the atomizing tube 12 away from the air outlet 18. In this embodiment, the atomized liquid in the liquid storage chamber 16 can be transferred to the atomizing core 2 in the atomizing channel 15 through the liquid guide hole 19. When the user's mouth inhales the aerosol through the air outlet 18, a suction negative pressure is formed in the atomizing channel 15. External air can be introduced into the atomizing channel 15 through the air inlet 17. The aerosol in the atomizing channel 15 is first mixed with the air introduced into the atomizing channel 15, and then introduced into the air outlet 18 together with the air flow, and finally inhaled into the user's mouth through the air outlet 18.

Please further refer to Figures 2, 3 and 4. In some embodiments, the closure member 3 includes a sealing rod 31. The atomizer core 2 is provided with a central air channel 21 for the sealing rod 31 to pass through. The sealing rod 31 is inserted into the air outlet 18, the atomization channel 15, the central air channel 21 and the air inlet 17. In this embodiment, before the atomizer is activated, the sealing rod 31 is inserted into the air outlet 18, the atomizing channel 15, the central air channel 21 and the air inlet 17 in sequence, so that the sealing rod 31 fills the air outlet 18, the atomizing channel 15, the central air channel 21 and the air inlet 17, so as to achieve the effect of sealing the air outlet 18, the atomizing channel 15, the central air channel 21 and the air inlet 17 with the sealing rod 31, so that the interior of the atomizing channel 15 constitutes a closed cavity. When the interior of the atomizing channel 15 is completely in a closed state, the atomized liquid in the atomizing channel 15 will form a pullback force and a stable pressure state, thereby preventing the atomized liquid from leaking through the air outlet 18, the atomizing channel 15, the central air channel 21 and the air inlet 17.

Please further refer to Figures 1, 2 and 6. In some embodiments, the atomizer bomb body 1 also includes a suction nozzle 14 disposed at the top of the housing 11. The suction nozzle 14 is provided with an air outlet 18 and an air guide channel 141 connecting the air outlet 18 and the atomizing channel 15. The diameters of the air guide channel 141, the atomizing channel 15 and the central air channel 21 gradually decrease. In this embodiment, the central axes of the air outlet 18, the air guide channel 141, the atomizing channel 15, the central air channel 21 and the air inlet 17 can be collinear, and the diameters of the air guide channel 141, the atomizing channel 15 and the central air channel 21 gradually decrease. On the one hand, it is beneficial for the sealing rod 31 to be inserted into the air outlet 18, the atomizing channel 15, the central air channel 21 and the air inlet 17 in sequence to form a good sealing effect. On the other hand, it is beneficial for The airflow is sucked into the user's mouth in a slowly diffused state, which prevents the airflow from being sucked into the user's mouth too concentratedly and impacting the user's throat, causing discomfort.

Please further refer to Figures 1, 2 and 6. In some embodiments, the atomizer bomb body 1 also includes a suction nozzle 14 disposed at the top of the housing 11, and the suction nozzle 14 is provided with an air outlet 18, and an air guide channel 141 connecting the air outlet 18 and the atomization channel 15, and the diameters of the air guide channel 141, the atomization channel 15, and the central airway 21 gradually decrease. The sealing rod 31 includes a first sealing section 311 for inserting and filling the air guide channel 141, a second sealing section 312 for inserting and filling the atomization channel 15, and a third sealing section 313 for inserting and filling the central airway 21 and the air inlet 17, and the second sealing section 312 connects the first sealing section 311 and the third sealing section 313. It can be understood that the diameter of the first sealing section 311 matches the diameter of the air guide channel 141, the diameter of the second sealing section 312 matches the diameter of the atomization channel 15, and the diameter of the third sealing section 313 matches the diameter of the central airway 21. In this way, the first sealing section 311 of the sealing rod 31 is inserted into and fills the air guide channel 141, the second sealing section 312 is inserted into and fills the atomization channel 15, and the third sealing section 313 is inserted into and fills the central air channel 21 and the air inlet 17, which is beneficial to improve the effect of the sealing rod 31 in closing the air outlet 18, the atomization channel 15, the central air channel 21 and the air inlet 17. In addition, the closure 3 also includes a sealing sleeve 32 for sealing the air inlet 17. The sealing sleeve 32 is placed in the air inlet 17, and one end of the third sealing section 313 away from the second sealing section 312 is inserted into the sleeve hole 321 of the sealing sleeve 32. On the one hand, the sealing effect of the closure 3 on the air inlet 17 is improved to prevent the atomized liquid in the atomization channel 15 from leaking through the air inlet 17 under the action of gravity; on the other hand, the interior of the atomization channel 15 is completely in a closed state to prevent the atomized liquid from accumulating in the atomization channel 15; on the other hand, the end of the third sealing section 313 away from the second sealing section 312 is inserted into the sleeve hole 321 of the sealing sleeve 32, which can fix the sealing rod 31 under the action of friction to prevent the sealing rod 31 from loosening and falling off and affecting the sealing performance of the atomization channel 15.

Please further refer to Figures 3, 4 and 5. In some embodiments, the sealing member 3 includes a sealing plug 33 for blocking the air outlet 18 of the atomizer bomb body 1, a sealing sleeve 32 for blocking the air inlet 17, and a sealing rod 31 for closing the atomization channel 15. The first end of the sealing rod 31 is connected to the sealing plug 33, and the second end of the sealing rod 31 is inserted into the sleeve hole 321 of the sealing sleeve 32. In this embodiment, the sealing plug 33 blocks the air outlet 18 of the atomizer bomb body 1, and then blocks the air inlet 17 of the atomizer bomb body 1 through the sealing sleeve 32. At the same time, the sealing rod 31 fills and seals the atomization channel 15, so that the inside of the atomization channel 15 is completely in a closed state, preventing the atomized liquid from gathering in the atomization channel 15, thereby effectively preventing the atomized liquid from leaking. In addition, the first end of the sealing rod 31 is connected to the sealing plug 33, and the second end of the sealing rod 31 is inserted into the sleeve hole 321 of the sealing sleeve 32, which can fix the sealing rod 31 under the action of friction, preventing the sealing rod 31 from loosening and falling off and affecting the sealing property in the atomization channel 15.

Please further refer to Figures 3, 4 and 5. In some embodiments, at least one sealing groove 4 is provided on the outer peripheral wall of the sealing rod 31, and a sealing ring 5 is provided in the sealing groove 4. In this way, when the sealing rod 31 is inserted into the atomization channel 15, the sealing ring 5 can play a good sealing role, so that the inside of the atomization channel 15 is completely in a closed state. It should be noted that in order to further improve the sealing performance, a plurality of sealing grooves 4 can be provided, and the plurality of sealing grooves 4 are arranged at intervals along the axial direction of the sealing rod 31, and a sealing ring 5 is provided in each sealing groove 4.

Please further refer to FIG. 2, FIG. 3 and FIG. 4. In some embodiments, the atomizer bomb body 1 is provided with a clamping portion 6, and the sealing sleeve 32 is provided with a clamping groove 7 for fitting the clamping portion 6. When the clamping portion 6 on the atomizer bomb body 1 is inserted into the clamping groove 7 on the sealing sleeve 32, the clamping portion 6 is engaged with the clamping groove 7, and the sealing sleeve 32 can be fixed to the position corresponding to the air inlet 17 on the atomizer bomb body 1, and the air inlet 17 is closed by the sealing sleeve 32. It can be understood that the clamping portion 6 can be, but is not limited to, a clamping protrusion provided on the base 13.

Please further refer to Figures 2, 3 and 4. In some embodiments, the second end of the sealing rod 31 is provided with a cone head 314 for fitting into the sleeve hole 321 of the sealing sleeve 32, which is conducive to the rapid insertion of the sealing rod 31 into the sleeve hole 321 of the sealing sleeve 32, and the cone head 314 of the sealing rod 31 can form an interference fit with the sleeve hole 321 of the sealing sleeve 32, which on the one hand enhances the sealing performance, and on the other hand effectively prevents the sealing rod 31 from loosening and falling off to affect the sealing performance in the atomization channel 15.

It can be understood that in some embodiments, the sealing member 3 can be but not limited to a silicone member or a rubber member having elasticity, that is, the sealing rod 31 and/or the sealing sleeve 32 can be but not limited to a silicone member having elasticity. The rubber part or rubber part is conducive to making the interior of the atomization channel 15 completely sealed, preventing the atomized liquid from gathering in the atomization channel 15, thereby effectively avoiding leakage of the atomized liquid.

Please further refer to Figure 7. The embodiment of the present invention further provides an aerosol generating device, which includes the atomizer provided in any of the above embodiments and a power supply device 8 for supplying power to the atomizer. Since the aerosol generating device has all the technical features of the atomizer provided in any of the above embodiments, it has the same technical effects as the above atomizer.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An atomizer, characterized by comprising:

   An atomizing bomb body, with an atomizing channel inside, and an air inlet for introducing external air into the atomizing channel on the atomizing bomb body;

   an atomizing core, used for atomizing the atomizing liquid to form an aerosol, wherein the atomizing core is disposed in the atomizing channel; and

   A sealing member, adapted to be inserted into the atomization channel and/or the air inlet;

   Wherein, when the sealing member is placed in the atomization channel and/or the air inlet, the sealing member fills and closes the atomization channel and/or the air inlet; when the sealing member is moved out of the atomization channel and/or the air inlet, the sealing member opens the atomization channel and/or the air inlet.
2. The atomizer according to claim 1 is characterized in that the atomizer bomb body comprises a shell, an atomizer tube arranged in the shell and a base installed on the bottom opening of the shell, the inner part of the shell outside the atomizer tube defines a liquid storage chamber for storing atomized liquid, the tube cavity of the atomizer tube forms the atomization channel, the shell is provided with an air outlet connected to the atomization channel, the side wall of the atomizer tube is provided with a liquid guide hole, the atomized liquid in the liquid storage chamber can be transmitted to the atomizer core in the atomization channel through the liquid guide hole, the air inlet is provided on the base, or the air inlet is formed by an end of the atomizer tube away from the air outlet.
3. The atomizer according to claim 2, characterized in that the closing member includes a sealing rod, the atomizing core is provided with a central air passage for the sealing rod to pass through, and the sealing rod is inserted into the air outlet, the atomizing channel, the central air passage, and the air inlet to fill and close the air outlet, the atomizing channel, the central air passage, and the air inlet.
4. The atomizer according to claim 3 is characterized in that the atomizer bomb body further includes a suction nozzle arranged at the top of the shell, the suction nozzle is provided with the air outlet, and an air guide channel connecting the air outlet and the atomization channel, and the diameters of the air guide channel, the atomization channel, and the central air channel gradually decrease.
5. The atomizer according to claim 4 is characterized in that the sealing rod includes a first sealing segment for inserting and filling the air guide channel, a second sealing segment for inserting and filling the atomization channel, and a third sealing segment for inserting and filling the central air channel and the air inlet, and the second sealing segment connects the first sealing segment and the third sealing segment; the closure also includes a sealing sleeve for blocking the air inlet, and an end of the third sealing segment away from the second sealing segment is inserted into the sleeve hole of the sealing sleeve.
6. The atomizer according to claim 1 is characterized in that the closure member includes a sealing plug for sealing the air outlet of the atomizer bomb body, a sealing sleeve for sealing the air inlet, and a sealing rod for closing the atomization channel, the first end of the sealing rod is connected to the sealing plug, and the second end of the sealing rod is inserted into the sleeve hole of the sealing sleeve.
7. The atomizer according to claim 6, characterized in that at least one sealing groove is provided on the outer peripheral wall of the sealing rod, and a sealing ring is provided in the sealing groove.
8. The atomizer according to claim 6, characterized in that the second end of the sealing rod is provided with a cone head for fitting and inserting into the sleeve hole of the sealing sleeve.
9. The atomizer according to any one of claims 1 to 8, characterized in that the sealing member is an elastic silicone member or a rubber member.
10. An aerosol generating device, characterized in that it comprises the atomizer according to any one of claims 1 to 9.