CN219069463U - Atomizer and aerosol generating device - Google Patents

Abstract

The utility model provides an atomizer and an aerosol-generating device, wherein the atomizer comprises an atomization bullet body, an atomization core and a sealing piece which is used for being matched and placed in an atomization channel and/or an air inlet. In this atomizer structure, through setting up the atomizing passageway in atomizing bullet main part inside, install the atomizing core in the atomizing passageway to be equipped with the air inlet with atomizing passageway intercommunication in atomizing bullet main part. Before the atomizer is started, only the sealing piece is needed to be placed in the atomizing channel and/or the air inlet, and the atomizing channel and/or the air inlet is filled and sealed by the sealing piece, so that the atomized liquid can be prevented from being gathered in the atomizing channel, and the inside of the atomizing channel can form a sealed cavity, the atomized liquid is effectively prevented from being leaked through the atomizing channel to generate pollution waste, and the use experience of a user is improved. When the atomizer is needed, the atomizing channel and/or the air inlet can be conveniently and quickly opened only by moving the sealing piece out of the atomizing channel and/or the air inlet.

Description

Atomizer and aerosol generating device

Technical Field

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

Background

The aerosol generating device generally comprises a nebulizer and a power supply device electrically connected with the nebulizer, wherein the nebulizer can heat and atomize the atomized liquid stored in the nebulizer to form aerosol under the electric driving action of the power supply device. At present, the inside stock solution chamber and the atomizing chamber of generally being provided with of atomizer, stock solution chamber and atomizing chamber are direct through feed liquor hole intercommunication, and the atomized liquid accessible feed liquor hole in the stock solution chamber gets into the atomizing chamber, and atomized liquid gathers the back that converges in the atomizing chamber, leads to there being atomized liquid in the atomizing chamber, arouses the atomizer easily and appear leaking the liquid phenomenon, influences user's use experience.

Disclosure of Invention

Based on the above-mentioned problems in the prior art, an object of an embodiment of the present utility model is to provide an atomizer, so as to solve the problem that the atomizer is easy to leak after the atomized liquid is collected in the atomization cavity in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: there is provided an atomizer comprising:

the atomization bullet comprises an atomization bullet body, wherein an atomization channel is arranged in the atomization bullet body, and an air inlet for introducing external air into the atomization channel is formed in the atomization bullet body;

the atomization core is used for atomizing the atomized liquid to form aerosol, and the atomization core is arranged in the atomization channel; and

a closure for fitting into the nebulization channel and/or the air inlet;

wherein the closure fills and closes the nebulization channel and/or the air inlet when the closure is placed in the nebulization channel and/or the air inlet; when the closure is moved out of the nebulization channel and/or the air inlet, the closure opens the nebulization channel and/or the air inlet.

Further, the atomization bullet main part includes the shell, locates atomizing pipe in the shell and install in the base on the bottom open of shell, the shell inside in the part outside the atomizing pipe defines the stock solution chamber that is used for storing the atomized liquid, atomizing pipe's lumen formation atomizing passageway, be equipped with on the shell with the gas outlet of atomizing passageway intercommunication, the drain hole has been seted up on atomizing pipe's the lateral wall, atomized liquid in the stock solution chamber can be passed through the drain hole transmission extremely atomizing core in the atomizing passageway, the air inlet is located on the base, perhaps the atomizing pipe is kept away from the one end port of gas outlet forms the air inlet.

Further, the sealing piece comprises 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 passage, the central air passage and the air inlet so as to fill and seal the air outlet, the atomizing passage, the central air passage and the air inlet.

Further, the atomization bullet main body further comprises a suction nozzle arranged at the top of the shell, the suction nozzle is provided with the air outlet, and an air guide channel which is communicated with the air outlet and the atomization channel, and the diameters of the air guide channel, the atomization channel and the central air channel are gradually reduced.

Further, the sealing rod comprises a first sealing section for being inserted into and filling the air guide channel, a second sealing section for being inserted into and filling the atomization channel and a third sealing section for being inserted into and filling the central air channel and the air inlet, and the second sealing section is connected with the first sealing section and the third sealing section; the sealing piece further comprises a sealing sleeve for sealing the air inlet, and one end of the third sealing section, which is far away from the second sealing section, is inserted into a sleeve hole of the sealing sleeve.

Further, the sealing piece comprises a sealing plug for sealing the air outlet of the atomization bullet main body, a sealing sleeve for sealing the air inlet and a sealing rod for sealing the atomization channel, wherein a first end of the sealing rod is connected with the sealing plug, and a second end of the sealing rod is inserted into a sleeve hole of the sealing sleeve.

Further, at least one sealing groove is formed in the peripheral wall of the sealing rod, and a sealing ring is arranged in the sealing groove.

Further, the second end of the sealing rod is provided with a conical head which is used for being inserted into the sleeve hole of the sealing sleeve in a matching mode.

Further, the closure member is a silica gel member or a rubber member with elasticity.

Based on the above-mentioned problems of the prior art, it is a second object of an embodiment of the present utility model to provide an aerosol-generating device having a nebulizer according to any one of the above-mentioned aspects.

In order to achieve the above purpose, the utility model adopts the following technical scheme: there is provided an aerosol-generating device comprising the nebuliser provided in any of the above aspects.

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

according to the atomizer and the aerosol generating device, in the structure of the atomizer, the atomizing channel is arranged in the atomizing bomb main body, the atomizing core is arranged in the atomizing channel, and the atomizing bomb main body is provided with the air inlet communicated with the atomizing channel. Before the atomizer is started, only the sealing piece is needed to be placed in the atomizing channel and/or the air inlet, and the atomizing channel and/or the air inlet is filled and sealed by the sealing piece, so that the atomized liquid can be prevented from being gathered in the atomizing channel, and the inside of the atomizing channel can form a sealed cavity, the atomized liquid is effectively prevented from being leaked through the atomizing channel to generate pollution waste, and the use experience of a user is improved. When the atomizer is needed, the atomizing channel and/or the air inlet can be conveniently and quickly opened only by moving the sealing piece out of the atomizing channel and/or the air inlet.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic cross-sectional structure of an atomizer according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a body of a bullet according to an embodiment of the present utility model;

FIG. 3 is an assembly view of a closure provided in an embodiment of the present utility model;

FIG. 4 is an exploded view of a closure provided by an embodiment of the present utility model;

FIG. 5 is a schematic cross-sectional view of a seal rod according to an embodiment of the present utility model;

FIG. 6 is an exploded view of an atomizer according to an embodiment of the present utility model;

fig. 7 is a schematic structural diagram of an aerosol generating device according to an embodiment of the present utility model.

Wherein, each reference sign in the figure:

1-a bullet body; 11-a housing; 12-atomizing tube; 13-a base; 14-suction nozzle; 141-an air guide channel; 15-an atomization channel; 16-a liquid storage cavity; 17-air inlet; 18-an air outlet; 19-a liquid guide hole;

2-atomizing core; 21-central airway;

3-a closure; 31-a sealing rod; first seal segment 311-first seal segment; 312-a second seal segment; 313-a third seal segment; 314-cone head; 32-sealing sleeve; 321-trepanning; 33-sealing plug;

4-sealing the groove; 5-a sealing ring; 6-a clamping part; 7-clamping grooves; 8-power supply means.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood 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 be 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 be indirectly connected to the other element.

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

In the description of the present utility model, it should be understood that the terms "center," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

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 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 6, an atomizer according to an embodiment of the present utility model will be described. The atomizer provided in the embodiment of the present utility model is suitable for an aerosol generating device, and the aerosol generating device generally includes the 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 supply electric energy to the atomizer, and the atomizing core 2 of the atomizer atomizes atomized liquid stored in the atomizer under the action of electric drive to form aerosol which can be sucked by a user.

Referring to fig. 1, 2 and 6 in combination, the atomizer provided in the embodiment of the present utility model includes an atomization bomb body 1, an atomization core 2 and a sealing member 3, wherein the outer contour of the atomization bomb body 1 is in a column shape, an atomization channel 15 is provided in the atomization bomb body 1, an air inlet 17 for introducing external air into the atomization channel 15 is provided on the atomization bomb body 1, and the air inlet 17 is communicated with the atomization channel 15. The atomizing core 2 is arranged in the atomizing channel 15, the atomizing core 2 can atomize the atomized liquid to form aerosol, and the aerosol atomized by the atomizing core 2 can be released into the atomizing channel 15. The atomizing core 2 may be, but is not limited to, a metal atomizing core 2 or a ceramic atomizing core 2 capable of atomizing an atomized liquid to form an aerosol. The closure member 3 may be adapted to fit into the nebulization channel 15, the closure member 3 may also be adapted to fit into the air inlet 17, and the closure member 3 may also be adapted to fit into the nebulization channel 15 and the air inlet 17. Referring to fig. 1, before the atomizer is started, only the sealing member 3 is required to be placed in the atomizing channel 15 and/or the air inlet 17, the sealing member 3 is used to fill the atomizing channel 15 and/or the air inlet 17, so as to avoid the aggregation of the atomized liquid in the atomizing channel 15, and the sealing member 3 seals the atomizing channel 15 and/or the air inlet 17, so that the atomized liquid in the atomizing channel 15 can form a state of pull-back force and pressure stabilization, and the atomized liquid is effectively prevented from leaking. Referring further to fig. 2, when the atomizer is needed, the closing member 3 is only required to be moved out of the atomizing passage 15 and/or the air inlet 17, the closing member 3 can open the atomizing passage 15 and/or the air inlet 17, external air can be introduced into the atomizing passage 15 through the air inlet 17 under the negative pressure formed by the suction of the user, and the aerosol in the atomizing passage 15 is firstly mixed with the air introduced into the atomizing passage 15, then is introduced into the air outlet 18 together with the air flow, and finally flows out into the mouth of the user through the air outlet 18. It should be noted that prior to use of the nebulizer includes, but is not limited to, situations or use of the nebulizer during shipping, during storage, or during carrying.

Compared with the prior art, the atomizer provided by the embodiment of the utility model has the advantages that the atomizing channel 15 is arranged in the atomizing bullet main body 1, the atomizing core 2 is arranged in the atomizing channel 15, and the atomizing bullet main body 1 is provided with the air inlet 17 communicated with the atomizing channel 15. Before the atomizer is started, only the sealing piece 3 is needed to be placed in the atomizing channel 15 and/or the air inlet 17, and the atomizing channel 15 and/or the air inlet 17 are filled and sealed by the sealing piece 3, so that the atomized liquid can be prevented from being gathered in the atomizing channel 15, and a sealed cavity can be formed in the atomizing channel 15, the atomized liquid is effectively prevented from leaking through the atomizing channel 15 to generate pollution and waste, and the use experience of a user is improved. When the atomizer is required to be used, the atomizing channel 15 and/or the air inlet 17 can be conveniently and quickly opened only by moving the sealing member 3 out of the atomizing channel 15 and/or the air inlet 17.

Referring to fig. 1, 2 and 6, in some embodiments, the atomization bomb body 1 includes a housing 11, an atomization tube 12 disposed in the housing 11, and a base 13 mounted on an opening at a bottom of the housing 11, a liquid storage cavity 16 for storing atomized liquid is defined in a portion of the housing 11 outside the atomization tube 12, a tube cavity of the atomization tube 12 forms an atomization channel 15, an air outlet 18 communicating with the atomization channel 15 is disposed on the housing 11, a liquid guide hole 19 is disposed on a side wall of the atomization tube 12, atomized liquid in the liquid storage cavity 16 can be transferred to the atomization core 2 in the atomization channel 15 through the liquid guide hole 19, and the air inlet 17 is disposed on the base 13. Care should be taken

It is contemplated that the air inlet 17 may be, but is not limited to being, provided on the base 13. For example, in other embodiments, the 5 inlet port 17 may also be formed directly from an end port of the atomizing tube 12 remote from the outlet port 18. In this embodiment of the present utility model, the process is performed,

atomized liquid in the liquid storage cavity 16 can be transmitted to the atomizing core 2 in the atomizing channel 15 through the liquid guide hole 19, when a user port sucks aerosol through the air outlet 18, 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, and the aerosol in the atomizing channel 15 is firstly introduced into the atomizing channel 15

After mixing, the air is then introduced into the air outlet 18 together with the air flow, and finally sucked 0 into the user's mouth via the air outlet 18.

Referring further to fig. 2, 3 and 4, in some embodiments, the closure member 3 includes a sealing rod 31, the atomizing core 2 is provided with a central air passage 21 through which the sealing rod 31 passes, and the sealing rod 31 is inserted into the air outlet 18, the atomizing passage 15, the central air passage 21 and the air inlet 17. In this embodiment, the atomizer is turned on

Before use, the sealing rod 31 is sequentially inserted into the air outlet 18, the atomizing channel 15, the central air passage 21 and the air inlet 5, so that the sealing rod 31 is filled in the air outlet 18, the atomizing channel 15, the central air passage 21 and the air inlet 17, the effect of sealing the air outlet 18, the atomizing channel 15, the central air passage 21 and the air inlet 17 by using the sealing rod 31 is achieved, the inside of the atomizing channel 15 forms a sealed cavity, and when the inside of the atomizing channel 15 is completely in a sealed state, atomized liquid in the atomizing channel 15 forms a pull-back force and pressure stabilization state

In such a state that no leakage of the atomized liquid occurs through the gas outlet 18, the atomizing passage 15, the central gas passage 21 and the gas inlet 0 17.

Referring to fig. 1, 2 and 6, in some embodiments, the atomizing bomb body 1 further 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 communicating the air outlet 18 with the atomizing channel 15, the air guide channel 141, the atomizing channel 15 and the central air channel 21

The diameter of (c) becomes gradually smaller. In this embodiment, the central axes of the air outlet 18, the air guide passage 141, the atomizing passage 15, the central 5 air passage 21 and the air inlet 17 may be collinear, and the central axes of the air guide passage 141, the atomizing passage 15 and the central axis may be collinear

The diameter of the air flue 21 becomes smaller gradually, so that on one hand, the sealing rod 31 is beneficial to be sequentially inserted into the air outlet 18, the atomizing channel 15, the central air flue 21 and the air inlet 17 to form a good sealing effect, and on the other hand, the air flow is beneficial to be sucked into the mouth of a user in a slow diffusion state, and the air flow is prevented from being sucked into the mouth of the user too intensively to impact the throat of the user, so that the user feel is caused at intervals.

Referring to fig. 1, 2 and 6, in some embodiments, the atomizing bomb body 1 further 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 communicating the air outlet 18 with the atomizing channel 15, wherein the diameters of the air guide channel 141, the atomizing channel 15 and the central air channel 21 are gradually reduced. The sealing rod 31 includes a first sealing section 311 for inserting into and filling the air guide passage 141, a second sealing section 312 for inserting into and filling the atomizing passage 15, and a third sealing section 313 for inserting into and filling the central air passage 21 and the air inlet 17, the second sealing section 312 connecting the first sealing section 311 and the third sealing section 313. It will be appreciated that the diameter of the first seal segment 311 matches the diameter of the air guide channel 141, the diameter of the second seal segment 312 matches the diameter of the nebulization channel 15, and the diameter of the third seal segment 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 atomizing 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 improving the effect of the sealing rod 31 in closing the air outlet 18, the atomizing channel 15, the central air channel 21 and the air inlet 17. In addition, the sealing piece 3 further comprises a sealing sleeve 32 for sealing the air inlet 17, the sealing sleeve 32 is arranged in the air inlet 17, one end of the third sealing section 313, which is far away from the second sealing section 312, is inserted into a sleeve hole 321 of the sealing sleeve 32, so that on one hand, the sealing effect of the sealing piece 3 on the air inlet 17 is improved, and atomized liquid in the atomization channel 15 is prevented from leaking through the air inlet 17 under the action of gravity; on the other hand, the inside of the atomizing channel 15 is completely in a closed state, so that atomized liquid is prevented from being accumulated in the atomizing channel 15; on the other hand, the end of the third sealing section 313 far away from the second sealing section 312 is inserted into the sleeve hole 321 of the sealing sleeve 32, so that the sealing rod 31 can be fixed under the action of friction force, and the sealing rod 31 is prevented from loosening and falling off to influence the sealing performance in the atomizing channel 15.

Referring further to fig. 3, 4 and 5 in combination, in some embodiments, the closure member 3 includes a sealing plug 33 for sealing the air outlet 18 of the cartomizer body 1, a sealing sleeve 32 for sealing the air inlet 17, and a sealing rod 31 for sealing the nebulization channel 15, wherein a first end of the sealing rod 31 is connected to the sealing plug 33 and a second end of the sealing rod 31 is inserted into a sleeve hole 321 of the sealing sleeve 32. In this embodiment, play the shutoff effect through sealing plug 33 to the gas outlet 18 of bullet main part 1, the rethread seal cover 32 plays the shutoff effect to the air inlet 17 of bullet main part 1, utilizes sealing rod 31 to play the effect of packing and confined to atomizing passageway 15 simultaneously for be in airtight state completely in the atomizing passageway 15 inside, prevent that atomizing passageway 15 from gathering the atomized liquid, thereby effectively avoid the atomized liquid to take place to leak. In addition, the first end of the sealing rod 31 is connected with 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, so that the sealing rod 31 can be fixed under the action of friction force, and the sealing rod 31 is prevented from loosening and falling off to influence the sealing performance in the atomization channel 15.

Referring further to fig. 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 atomizing passage 15, the sealing ring 5 can perform a good sealing function, so that the inside of the atomizing passage 15 is completely in a closed state. In order to further improve the sealability, a plurality of seal grooves 4 may be provided, and a plurality of seal grooves 4 may be provided at intervals in the axial direction of the seal rod 31, and seal rings 5 may be provided in the seal grooves 4.

Referring to fig. 2, 3 and 4, in some embodiments, the atomizing bomb body 1 is provided with a clamping portion 6, and the sealing sleeve 32 is provided with a clamping groove 7 for engaging with the clamping portion 6. When the clamping part 6 on the atomizing bullet body 1 is placed in the clamping groove 7 on the sealing sleeve 32, the clamping part 6 is clamped with the clamping groove 7, so that the sealing sleeve 32 can be fixed at the position corresponding to the air inlet 17 on the atomizing bullet body 1, and the air inlet 17 is sealed by the sealing sleeve 32. It will be appreciated that the catch 6 may be, but is not limited to, a snap-fit protrusion provided on the base 13.

Referring to fig. 2, 3 and 4 in combination, in some embodiments, the second end of the sealing rod 31 is provided with a taper head 314 for being inserted into the sleeve hole 321 of the sealing sleeve 32, so that the sealing rod 31 can be inserted into the sleeve hole 321 of the sealing sleeve 32 quickly, and the taper head 314 of the sealing rod 31 can form interference fit with the sleeve hole 321 of the sealing sleeve 32, so that on one hand, tightness is enhanced, and on the other hand, the sealing rod 31 is prevented from loosening and falling off to affect the sealing performance in the atomizing channel 15.

It will be appreciated that in some embodiments, the closure member 3 may be, but is not limited to, a resilient silicone or rubber member, i.e. the sealing rod 31 and/or the sealing sleeve 32 may be, but is not limited to, a resilient silicone or rubber member, which is advantageous in keeping the interior of the nebulization channel 15 completely airtight, preventing the nebulization liquid from collecting in the nebulization channel 15, and thus effectively avoiding leakage of the nebulized liquid.

Referring further to fig. 7, an embodiment of the present utility model 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 embodiments described above, it has the same technical effects as the atomizer described above.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. An atomizer, comprising:

the atomization bullet comprises an atomization bullet body, wherein an atomization channel is arranged in the atomization bullet body, and an air inlet for introducing external air into the atomization channel is formed in the atomization bullet body;

the atomization core is used for atomizing the atomized liquid to form aerosol, and the atomization core is arranged in the atomization channel; and

a closure for fitting into the nebulization channel and/or the air inlet;

wherein the closure fills and closes the nebulization channel and/or the air inlet when the closure is placed in the nebulization channel and/or the air inlet; when the closure is moved out of the nebulization channel and/or the air inlet, the closure opens the nebulization channel and/or the air inlet.

2. The atomizer of claim 1 wherein said atomizer body comprises a housing, an atomizing tube disposed in said housing, and a base mounted on an open bottom of said housing, wherein a liquid storage chamber for storing an atomized liquid is defined in a portion of said housing outside said atomizing tube, a tube chamber of said atomizing tube forms said atomizing passage, an air outlet communicating with said atomizing passage is provided in said housing, a liquid guide hole is provided in a side wall of said atomizing tube, atomized liquid in said liquid storage chamber is transferred to said atomizing core in said atomizing passage via said liquid guide hole, said air inlet is provided on said base, or an end port of said atomizing tube remote from said air outlet forms said air inlet.

3. The atomizer of claim 2 wherein said closure member includes a sealing rod, said atomizing core having a central air passage through which said sealing rod passes, said sealing rod being inserted into said air outlet, said atomizing passage, said central air passage and said air inlet to fill and close said air outlet, said atomizing passage, said central air passage and said air inlet.

4. The atomizer of claim 3 wherein said atomizer body further comprises a suction nozzle disposed at a top of said housing, said suction nozzle having said air outlet, and an air guide passage communicating said air outlet with said atomizing passage, said air guide passage, said atomizing passage, said central air passage being of progressively smaller diameter.

5. The atomizer of claim 4 wherein said sealing rod includes a first sealing segment for inserting into and filling said air guide channel, a second sealing segment for inserting into and filling said atomizing channel, and a third sealing segment for inserting into and filling said central air passage and said air inlet, said second sealing segment connecting said first sealing segment with said third sealing segment; the sealing piece further comprises a sealing sleeve for sealing the air inlet, and one end of the third sealing section, which is far away from the second sealing section, is inserted into a sleeve hole of the sealing sleeve.

6. The atomizer of claim 1 wherein said closure member includes a sealing plug for sealing an air outlet of said atomizer body, a sealing sleeve for sealing said air inlet, and a sealing rod for sealing said atomizing passage, said sealing rod having a first end connected to said sealing plug and a second end inserted into a socket of said sealing sleeve.

7. The atomizer of claim 6 wherein at least one seal groove is formed in a peripheral wall of said seal rod, and wherein a seal ring is disposed in said seal groove.

8. The atomizer of claim 6 wherein said sealing rod is provided at a second end thereof with a bit for mating insertion into a socket of said sealing boot.

9. A nebulizer as claimed in any one of claims 1 to 8, wherein the closure is a resilient silicone or rubber member.

10. An aerosol-generating device comprising an atomizer according to any one of claims 1 to 9.

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