CN215936292U

CN215936292U - Atomizer and aerosol generating device

Info

Publication number: CN215936292U
Application number: CN202121420809.1U
Authority: CN
Inventors: 邱伟华
Original assignee: Changzhou Paiteng Electronic Technology Co Ltd
Current assignee: Changzhou Paiteng Electronic Technology Co Ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-03-04
Anticipated expiration: 2031-06-24

Abstract

The utility model provides an atomizer and an aerosol generating device. Then when annotating the liquid, only need invert the main casing body, make sealed external member assemble in first default position, alright annotate the liquid to holding in the chamber through the bottom opening of the main casing body, until annotating the liquid level and being less than or the terminal surface of the sealed external member other end of parallel and level a little, insert the other end of sealed external member with atomization component, it supports to push up sealed external member towards the outlet flue through atomization component, sealed external member is moved to second default position by first default position, atomization component's atomizing chamber and the bottom intercommunication of breather pipe, and the sealed assembly of base is on the bottom opening of the main casing body, in atomization component in the main casing body, the stock solution chamber can be defined out to the part outside sealed external member and the breather pipe. Like this, the liquid injection volume in inside stock solution space of multiplicable atomizer reduces the waste in inside stock solution space of atomizer.

Description

Atomizer and aerosol generating device

Technical Field

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

Background

An aerosol generating device is a common simulated cigarette electronic product, and mainly comprises an atomizer which can heat and atomize an aerosol forming substrate to form smoke, and a power supply device which supplies power to the atomizer. Among these, disposable aerosol generating devices of pre-injected liquids on the market are usually provided with a liquid storage space for storing an aerosol-forming substrate inside the atomizer. Currently, a pre-filled disposable aerosol generating device generally pre-fills aerosol into a reservoir space through a bottom opening of an atomizer to form a matrix before assembling an atomizing assembly and a base. However, due to the internal structural limitations of the nebulizer, it is often difficult to fill the liquid storage space inside the nebulizer with aerosol-forming substrate, which not only results in waste of the liquid storage space inside the nebulizer, but also results in the generation of air bubbles during transportation or storage of the disposable aerosol generating device.

SUMMERY OF THE UTILITY MODEL

Based on the above problems in the prior art, an object of the embodiments of the present invention is to provide an atomizer capable of increasing the liquid injection amount in the liquid storage space inside the atomizer and reducing the waste of the liquid storage space inside the atomizer.

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

the liquid storage part comprises a main shell, a base and a vent pipe, wherein the main shell is internally provided with a containing cavity, the base is detachably assembled on an opening at the bottom of the main shell, at least part of the vent pipe is contained in the containing cavity, a smoke outlet is formed in the top of the main shell, the top end of the vent pipe extends to the smoke outlet and is communicated with the smoke outlet, and the bottom end of the vent pipe extends into the containing cavity;

an atomizing assembly for atomizing an aerosol-forming substrate to form an aerosol for inhalation by a user, the atomizing assembly being supported on the base and received in the receiving cavity, the atomizing assembly having an atomizing cavity therein spaced from the receiving cavity; and

the sealing sleeve is sleeved at the bottom end of the vent pipe in a sliding manner and can slide from a first preset position to a second preset position along the axial direction of the vent pipe under the action of external force;

wherein, hold the intracavity assembly during atomization component, atomization component can with sealed external member by first preset the position top to the position is preset to the second, just the atomizing chamber with the bottom intercommunication of breather pipe, in the main casing atomization component sealed external member reaches the part outside the breather pipe defines out the stock solution chamber that is used for saving aerosol formation matrix, be equipped with the intercommunication on the atomization component stock solution chamber with the feed liquor hole in atomizing chamber.

Further, the sealing kit includes a first sleeve section for slidably sleeving on the vent pipe, a ring sleeve section for supporting the end of the atomizing assembly, and a second sleeve section for sleeving on the atomizing assembly, the ring sleeve section connects the first sleeve section with the second sleeve section to form the sealing kit, and the inner diameter of the first sleeve section is greater than the aperture of the ring hole of the ring sleeve section, so that a first step surface is formed at the connection position of the first sleeve section and the ring sleeve section.

Further, a first annular protrusion is arranged on the inner wall of the first casing pipe section in a surrounding mode along the circumferential direction of the first casing pipe section.

Further, be equipped with on the bottom face of breather pipe and be used for the intercommunication the atomizing chamber with the connecting pipe of breather pipe, the connecting pipe by the bottom mouth of pipe orientation of breather pipe the base extends, the external diameter of connecting pipe is less than the external diameter of first casing pipe section, with the breather pipe with the junction of connecting pipe forms the second step face, the second step face is used for the cooperation to support and hold first step face.

Furthermore, a second annular bulge is arranged on the inner wall of the annular hole of the annular sleeve section in a surrounding mode along the circumferential direction of the annular sleeve section.

Further, atomizing component include the open end support in atomizing cover on the base with be used for generating heat when the circular telegram and form the atomizing core of matrix with the heating aerosol, atomizing cover's inner chamber forms the atomizing chamber, atomizing core set up in the atomizing intracavity, the smoke guide mouth has been seted up to atomizing cover's blind end, the bottom of breather pipe with smoke guide mouth intercommunication, main internal portion in atomizing cover sealing kit reaches cavity part outside the breather pipe defines out the stock solution chamber, the feed liquor hole is located on atomizing cover's the lateral wall.

Further, the sealing kit comprises a first sleeve pipe section for slidably sleeving the vent pipe, a ring sleeve section for abutting against the closed end of the atomization cover, and a second sleeve pipe section for sleeving the closed end of the atomization cover, wherein the ring sleeve section is connected with the first sleeve pipe section and the second sleeve pipe section to form the sealing kit.

Further, the inner diameter of the second casing pipe section is larger than the aperture of the annular hole of the annular sleeve section, so that a third step surface is formed at the joint of the second casing pipe section and the annular sleeve section, and the third step surface is used for abutting against the closed end of the atomization cover.

Further, the atomizer still including support in the base orientation seal receptacle on the one side in holding the chamber, the open end of the atomizing cover of atomizing subassembly supports and is fixed in on the seal receptacle, with the inner chamber of atomizing cover forms the atomizing chamber, the feed liquor hole is located on the lateral wall of atomizing cover.

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

In order to achieve the purpose, the utility model adopts the technical scheme that: there is provided an aerosol generating device comprising an atomiser for atomising an aerosol-forming substrate and power supply means for supplying power to the atomiser, the atomiser being one as provided in any preceding claim.

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

according to the atomizer and the aerosol generating device in the embodiment of the utility model, the atomizer is provided with the vent pipe and the sealing sleeve in the main shell, the top end of the vent pipe extends to the smoke outlet at the top of the main shell, the bottom end of the vent pipe extends into the accommodating cavity of the main shell, and one end of the sealing sleeve is slidably sleeved at the bottom end of the vent pipe. Then when annotating the liquid, only need be placed the main casing body in the state of inverting, make the assembly of sealing kit in first default position, alright through the bottom opening of the main casing body add gas sol to holding in the chamber and form the matrix. Until annotating the liquid level and being less than a little or the terminal surface of the sealed external member other end of parallel and level, insert the other end of sealed external member with atomizing component, push up sealed external member towards the outlet flue through atomizing component, sealed external member is by first preset position removal to second preset position, atomizing component's atomizing chamber and the bottom intercommunication of breather pipe, and the base is sealed to be assembled on the bottom opening of main casing body, the main casing body can be defined out the stock solution chamber that is used for storing aerosol formation matrix in the part outside atomizing component, sealed external member and the breather pipe. Like this, alright increase the liquid injection volume in the inside stock solution space of atomizer, effectively reduce the waste in the inside stock solution space of atomizer, reducible or avoid the atomizer to a certain extent in-process bubble that produces in transportation or save.

Drawings

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

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

fig. 2 is a schematic top view of an atomizer according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is another schematic cross-sectional view of an atomizer according to an embodiment of the present invention;

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

FIG. 6 is a schematic perspective view of a plugging assembly according to an embodiment of the present invention;

FIG. 7 is a schematic perspective view of an occlusion assembly according to an embodiment of the utility model;

fig. 8 is a schematic perspective view of a base according to an embodiment of the present invention;

fig. 9 is a schematic perspective view of a base according to an embodiment of the present invention;

fig. 10 is a schematic perspective view of a seal seat according to an embodiment of the present invention;

fig. 11 is another schematic perspective view of a seal seat according to an embodiment of the present invention;

FIG. 12 is an exploded view of an atomizer provided in accordance with an embodiment of the present invention;

fig. 13 is a schematic partial sectional view of an atomizer according to an embodiment of the present invention;

FIG. 14 is a partially enlarged schematic view of FIG. 13;

fig. 15 is a schematic cross-sectional view of an atomizer according to an embodiment of the present invention during liquid injection;

fig. 16 is a schematic cross-sectional view of an atomizer according to an embodiment of the present invention after filling;

FIG. 17 is a schematic view of a seal assembly according to an embodiment of the present invention in partial cross-section;

fig. 18 is a schematic perspective view of an aerosol generating device according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1-liquid storage part; 11-a main housing; 111-a smoke outlet; 112-bottom opening; 12-a base; 121-air intake; 122-opening a hole; 123-a first groove; 124-a boss; 125-positioning groove; 13-a breather pipe; 14-a smoke guide channel; 15-connecting pipe;

2-an atomizing component; 21-an atomizing cover; 211-liquid inlet hole; 212-smoke guide port; 22-an atomizing core; 221-a heating wire; 222-a liquid-conducting member;

3-a sealing seat; 31-an intake passage; 311-first port; 312 — a second port; 32-a vent channel; 33-positioning holes;

4-a plugging component; 41-a seal; 411-annular holding projection; 412-a second groove; 413-a stop projection; 42-a push-pull member; 421-long rod section; 422-connecting segment;

5-a liquid storage cavity; 6-an atomizing cavity; 7-a power supply device;

8-sealing the kit; 81-a first casing section; 82-ring sleeve section; 83-a second casing section; 84-a first step surface; 85-a second step surface; 86-a third step surface; 87-a first annular projection; 88-a second annular projection; 89-a third annular projection;

9-an aerosol-forming substrate; 10-liquid level of liquid injection.

Detailed Description

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

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

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

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the utility model.

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

Referring to fig. 1 to 5 and fig. 12 to 17 together, an atomizer according to an embodiment of the present invention will now be described. The atomizer provided by the embodiment of the utility model is suitable for an aerosol generating device, the aerosol generating device can be started by electrically driving the atomizer through a power supply device 7, and the atomizer can atomize aerosol forming substrates to form smoke so as to be sucked by a user to achieve the effect of simulating smoking. Referring to fig. 1, 3 and 13, an atomizer according to an embodiment of the present invention includes a liquid storage component 1, an atomizing component 2 and a sealing assembly 8, wherein the liquid storage component 1 includes a main housing 11 having a receiving cavity therein, a base 12 detachably mounted on a bottom opening 112 of the main housing 11, and a vent pipe 13 at least partially received in the receiving cavity, a smoke outlet 111 is formed at a top of the main housing 11, a top end of the vent pipe 13 extends to the smoke outlet 111 and is communicated with the smoke outlet 111, and a bottom end of the vent pipe 13 extends to the receiving cavity. The atomizing component 2 is used for atomizing the aerosol-forming substrate to form smoke which can be inhaled by a user, the atomizing component 2 is supported and fixed on the base 12, the atomizing component 2 is accommodated in the accommodating cavity, and the atomizing component 2 is internally provided with an atomizing cavity 6 which is separated from the accommodating cavity. Referring to fig. 13 and 14, the sealing sleeve 8 is slidably sleeved at the bottom end of the vent pipe 13, and the sealing sleeve 8 can slide from the first predetermined position to the second predetermined position along the axial direction of the vent pipe 13 under the action of external force. It will be appreciated that the first predetermined position is the position in which the sealing sleeve 8 is fitted on the vent tube 13 when the reservoir 5 is filled through the bottom opening 112 of the main housing 11, and the second predetermined position is the position in which the sealing sleeve 8 is fitted on the vent tube 13 when the atomising assembly 2 is fitted in the receiving chamber. The top of the main housing 11 refers to the portion of the main housing 11 having the smoke outlet 111 or having the mouthpiece installed at the smoke outlet 111, the bottom of the main housing 11 refers to the portion of the main housing 11 equipped with the base 12, the top end of the ventilation pipe 13 refers to the end of the ventilation pipe 13 close to the smoke outlet 111, the bottom end of the ventilation pipe 13 refers to the end of the ventilation pipe 13 close to the base 12, and the first preset position and the second preset position are sequentially arranged along the direction from the base 12 to the smoke outlet 111. Wherein, when holding the chamber in assembly atomizing component 2 and assembling base 12 in main casing body 11's bottom opening 112, atomizing component 2 can be with sealed external member 8 by first preset position top to the second preset the position, and atomizing chamber 6 and breather pipe 13's bottom intercommunication, main casing body 11 is interior in atomizing component 2, the liquid storage chamber 5 that is used for storing aerosol formation substrate is defined out to the part outside sealed external member 8 and breather pipe 13, atomizing component 2 is last to be equipped with the feed liquor hole 211 that feeds through liquid storage chamber 5 and atomizing chamber 6, aerosol formation substrate accessible feed liquor hole 211 in the liquid storage chamber 5 flows into atomizing chamber 6, aerosol formation substrate that gets into atomizing chamber 6 can be heated and atomized by atomizing core 22 in atomizing chamber 6 and form smog.

Referring to fig. 15, during liquid injection (at this time, the atomization assembly 2 is not installed in the accommodation chamber, and the base 12 is not installed in the bottom opening 112 of the main housing 11), the main housing 11 is placed in an inverted state where the smoke outlet 111 is located below and the bottom opening 112 faces upward, the sealing sleeve 8 is sleeved on the bottom end of the vent pipe 13, the sealing sleeve 8 is located at the first predetermined position, and aerosol is added into the accommodation chamber through the bottom opening 112 of the main housing 11 to form a matrix. Until the liquid level 10 of the injected liquid is slightly lower than the end surface of the end of the sealing sleeve 8 far away from the smoke outlet 111 or the liquid level of the injected liquid is flush with the end surface of the end of the sealing sleeve 8 far away from the smoke outlet 111, the atomization assembly 2 is assembled in the accommodating cavity of the main shell 11. Referring to fig. 16, after the atomizing assembly 2 is inserted into the sealing sleeve 8, the sealing sleeve 8 is pushed to the second predetermined position from the first predetermined position by the atomizing assembly 2, so that the sealing sleeve 8 moves along with the atomizing assembly 2 toward the smoke outlet 111 until the atomizing chamber 6 of the atomizing assembly 2 is communicated with the bottom end of the ventilation pipe 13, and the base 12 is hermetically mounted on the bottom opening 112 of the main housing 11, so that the portion of the main housing 11 outside the atomizing assembly 2, the sealing sleeve 8 and the ventilation pipe 13 defines a liquid storage chamber 5 for storing aerosol-forming substrate. Like this for annotate aerosol in the stock solution chamber 5 of stock solution spare 1 and form matrix 9, can increase the liquid injection volume in the inside stock solution space of atomizer, effectively reduce the waste in the inside stock solution space of atomizer, solve the inside stock solution space of atomizer of disposable aerosol generating device and be difficult to annotate the problem full, reducible or avoid the atomizer to a certain extent in-process bubble that produces in transportation or save.

Compared with the prior art, the atomizer provided by the embodiment of the utility model has the advantages that the vent pipe 13 and the sealing sleeve 8 are arranged in the main shell 11, the top end of the vent pipe 13 extends to the smoke outlet 111 at the top of the main shell 11, the bottom end of the vent pipe 13 extends to the accommodating cavity of the main shell 11, and one end of the sealing sleeve 8 is slidably sleeved at the bottom end of the vent pipe 13. Then, during injection, the main housing 11 is placed upside down, and the sealing sleeve 8 is assembled at the first predetermined position, so that the aerosol-forming matrix can be added into the accommodating cavity through the bottom opening 112 of the main housing 11. Until the liquid level of the liquid injection is slightly lower than or flush with the end face of the other end of the sealing sleeve 8, the atomizing assembly 2 is inserted into the other end of the sealing sleeve 8, the sealing sleeve 8 is pushed against the smoke outlet 111 through the atomizing assembly 2, the sealing sleeve 8 is moved from a first preset position to a second preset position, the atomizing cavity 6 of the atomizing assembly 2 is communicated with the bottom end of the vent pipe 13, the base 12 is hermetically assembled on the bottom opening 112 of the main shell 11, and the liquid storage cavity 5 for storing aerosol forming substrates can be defined by the parts, outside the atomizing assembly 2, the sealing sleeve 8 and the vent pipe 13, in the main shell 11. Like this, alright increase the liquid injection volume in the inside stock solution space of atomizer, effectively reduce the waste in the inside stock solution space of atomizer, reducible or avoid the atomizer to a certain extent in-process bubble that produces in transportation or save.

Referring to fig. 13, 14 and 17, in some embodiments, the sealing assembly 8 includes a first sleeve section 81 for slidably covering the vent pipe 13, a ring section 82 for abutting against an end of the atomizing assembly 2, and a second sleeve section 83 for covering an end of the atomizing assembly 2, the ring section 82 connects the first sleeve section 81 and the second sleeve section 83 to form the sealing assembly 8, the first sleeve section 81 is connected to the ring section 82, and an inner diameter of the first sleeve section 81 is larger than an annular hole of the ring section 82 to form a first step surface 84 at a connection position of the first sleeve section 81 and the ring section 82. In this embodiment, through adopting above-mentioned scheme, the silica gel spare that sealing kit 8 adopted silica gel material to make only needs to overlap above-mentioned first casing pipe section 81 in the bottom of breather pipe 13, overlaps above-mentioned second casing pipe section 83 in atomizing component 2's tip, alright make sealing kit 8 respectively with breather pipe 13, atomizing component 2 sealing connection, can prevent that the aerosol from forming the matrix seepage. Moreover, the first casing pipe section 81 and the second casing pipe section 83 are connected through the annular casing section 82 to form the whole sealing sleeve 8, and the end of the atomization assembly 2 abuts against the annular casing section 82, so that the sealing sleeve 8 moves from the first preset position to the second preset position, and the stability and reliability of the atomization assembly 2 abutting against the sealing sleeve 8 are enhanced. In addition, a first step surface 84 is formed at the joint of the first sleeve section 81 and the sleeve section 82, and when the seal assembly 8 moves to the second preset position, the bottom end surface of the vent pipe 13 abuts against the first step surface 84, so as to limit the seal assembly 8 at the second preset position, and play a role in prompting the installation of the atomization assembly 2 and the seal assembly 8 in place.

Referring to fig. 17, in some embodiments, a first annular protrusion 87 is circumferentially disposed on an inner wall of the first casing section 81 along a circumferential direction of the first casing section 81. In this embodiment, through adopting above-mentioned scheme, support on the outer wall of breather pipe 13 through the elasticity of first annular protrusion 87 on the first casing pipe section 81 inner wall, on the one hand can play the sealed effect of similar sealing washer, strengthens first casing pipe section 81 and breather pipe 13 sliding connection's leakproofness, prevents the leakage of aerosol formation matrix, on the other hand reduces the area of contact between first casing pipe section 81 inner wall and the breather pipe 13 outer wall, reduces the friction. It is understood that more than two first annular protrusions 87 may be provided, and more than two first annular protrusions 87 are provided at intervals to further enhance the sealing performance and prevent liquid leakage. When the number of the first annular protrusions 87 is more than two, the more than two first annular protrusions 87 are distributed on the upper side and the lower side of the inner wall of the first casing pipe section 81, and when the sealing sleeve 8 moves to the second preset position, the first annular protrusions 87 distributed on the upper side and the lower side of the first casing pipe section 81 have the installation and positioning functions.

Referring to fig. 14, 15 and 17, in some embodiments, a connecting pipe 15 for communicating the atomizing chamber 6 with the vent pipe 13 is disposed on the bottom end surface of the vent pipe 13, the connecting pipe 15 extends from the bottom end nozzle of the vent pipe 13 toward the base 12, the outer diameter of the connecting pipe 15 is smaller than the outer diameter of the first sleeve section 81, so as to form a second step surface 85 at the connection position of the vent pipe 13 and the connecting pipe 15, and the second step surface 85 is used for matching and abutting against the first step surface 84. In this embodiment, by adopting the above-mentioned scheme, when the seal assembly 8 moves to the second preset position, the second step surface 85 is formed at the connection position of the vent pipe 13 and the connection pipe 15 to abut against the first step surface 84, so as to limit the seal assembly 8 at the second preset position, and play a role in prompting the installation of the atomization assembly 2 and the seal assembly 8 in place. Referring to fig. 13 and 14, in some embodiments, when the sealing sleeve 8 is assembled in the second predetermined position, the ring section 82 is sleeved on the connecting tube 15 to position the sealing sleeve 8, so as to enhance the stability of the sealing sleeve 8 assembled in the second predetermined position.

Referring to fig. 17, in some embodiments, a second annular protrusion 88 is circumferentially disposed on an inner wall of the annular hole of the ring segment 82 along a circumferential direction of the ring segment 82. In this embodiment, by adopting the above scheme, the second annular protrusion 88 on the inner wall of the annular hole of the annular sleeve section 82 elastically abuts against the outer wall of the connecting pipe 15, so that on one hand, the sealing function similar to a sealing ring can be achieved, the sealing performance of the sliding connection between the annular sleeve section 82 and the connecting pipe 15 is enhanced, the aerosol-forming substrate leakage is prevented, and on the other hand, the contact area between the inner wall of the annular sleeve section 82 and the outer wall of the connecting pipe 15 is reduced, and the friction is reduced. It is understood that more than two second annular protrusions 88 may be provided, and more than two second annular protrusions 88 are spaced apart to further enhance the sealing performance and prevent leakage.

Referring to fig. 5, 13 and 14, in some embodiments, the atomizing assembly 2 includes an atomizing cover 21 supported on the base 12 at an open end and an atomizing core 22 for generating heat to heat the aerosol-forming substrate when the power is turned on, an inner cavity of the atomizing cover 21 forms an atomizing chamber 6, the atomizing core 22 is disposed in the atomizing chamber 6, a smoke guide port 212 is formed at a closed end of the atomizing cover 21, a bottom end of the vent pipe 13 is communicated with the smoke guide port 212, a liquid storage chamber 5 is defined by a cavity portion inside the main housing 11 outside the atomizing cover 21, the sealing sleeve 8 and the vent pipe 13, and the liquid inlet hole 211 is disposed on a side wall of the atomizing cover 21. When the atomizer works, aerosol-forming substrates in the liquid storage cavity 5 of the liquid storage part 1 enter the atomizing cavity 6 through the liquid inlet hole 211, the atomizing core 22 is driven by the power supply device 7 to heat and atomize the aerosol-forming substrates entering the atomizing cavity 6, after external air enters the atomizing cavity 6 from the air inlet hole 121 on the base 12 and the air inlet channel on the sealing seat 3, the external air and the atomized aerosol-forming substrates can be rapidly mixed to form smoke, and the smoke is guided to the smoke outlet 111 through the vent pipe 13 along with negative pressure airflow formed when a user sucks the smoke. It will be appreciated that the atomizing core 22 may include, but is not limited to, a heat generating filament 221 that can be electrically heated and a liquid guide 222 that is wound around the periphery of the heat generating filament 221 to uniformly guide the aerosol-forming substrate to the heat generating filament 221, and the liquid guide 222 may be, but is not limited to, a liquid guide cotton. Understandably, when the atomizing assembly 2 includes the atomizing cap 21 supported on the base 12 at the open end thereof, the sealing assembly 8 includes a first sleeve portion 81 slidably fitted over the vent pipe 13, a ring portion 82 for abutting against the closed end of the atomizing cap 21, and a second sleeve portion 83 fitted over the closed end of the atomizing cap 21, the ring portion 82 connecting the first sleeve portion 81 and the second sleeve portion 83 to form the sealing assembly 8.

Referring to fig. 14, 15 and 17, in some embodiments, the inner diameter of the second sleeve section 83 is larger than the diameter of the annular hole of the ring section 82, so as to form a third step surface 86 at the connection position of the second sleeve section 83 and the ring section 82, and the third step surface 86 is used for supporting the closed end of the atomizing mask 21. In this embodiment, by adopting the above scheme, after the closed end of the atomizing cover 21 is inserted into the second sleeve section 83, the closed end abuts against the third step surface 86 formed at the joint of the second sleeve section 83 and the ring sleeve section 82, and the atomizing cover 21 pushes the sealing sleeve 8 to move from the first preset position to the second preset position, so as to enhance the stability and reliability of the movement of the atomizing assembly 2 abutting against the sealing sleeve 8.

Referring to fig. 17, in some embodiments, a third annular protrusion 89 is circumferentially disposed on the inner wall of the second casing section 83 along the circumferential direction of the second casing section 83. In this embodiment, by adopting the above scheme, the third annular protrusion 89 on the inner wall of the second sleeve section 83 elastically abuts against the outer wall of the atomizing cover 21, so that the sealing function similar to a sealing ring can be achieved, the sealing performance of the connection between the second sleeve section 83 and the closed end of the atomizing cover 21 is enhanced, and the aerosol-forming substrate is prevented from leaking. It is understood that more than two third annular protrusions 89 may be provided, and more than two third annular protrusions 89 are spaced apart to further enhance the sealing performance and prevent liquid leakage.

Referring to fig. 13, 15 and 16, in some embodiments, the atomizer further includes a sealing seat 3 supported on a surface of the base 12 facing the accommodating cavity, an open end of the atomizing cap 21 of the atomizing assembly 2 is supported and fixed on the sealing seat 3 to form an atomizing cavity 6 in an inner cavity of the atomizing cap 21, and the liquid inlet 211 is disposed on a side wall of the atomizing cap 21. In this embodiment, by adopting the above scheme, the atomizing cover 21 of the atomizing assembly 2 is supported and fixed on the base 12 by the sealing seat 3, so as to enhance the sealing property and prevent liquid leakage.

Referring to fig. 1 to 12 together, an atomizer according to another embodiment of the present invention will now be described. Another embodiment of the present invention provides an atomizer, which comprises a liquid storage member 1, an atomizing assembly 2, a sealing seat 3 and a plugging assembly 4, wherein the liquid storage member 1 has a receiving cavity therein, the atomizing assembly 2 can atomize aerosol-forming substrate to form aerosol for a user to inhale, the sealing seat 3 and the atomizing assembly 2 are disposed in the receiving cavity of the liquid storage member 1, and the atomizing assembly 2 is supported on the sealing seat 3, can make in stock solution spare 1 in atomization component 2 and seal receptacle 3 outside part define out the stock solution chamber 5 that is used for saving aerosol formation substrate, atomization component 2 inside has the atomizing chamber 6 of separating the setting with stock solution chamber 5, still be equipped with the feed liquor hole 211 of intercommunication stock solution chamber 5 and atomizing chamber 6 on the atomization component 2, aerosol formation substrate accessible feed liquor hole 211 in the stock solution chamber 5 flows into atomizing chamber 6, the aerosol formation substrate that gets into atomizing chamber 6 can be by atomizing core 22 heating atomizing formation smog in atomizing chamber 6. In addition, referring to fig. 3, fig. 4 and fig. 10, a smoke outlet 111 communicated with the atomizing chamber 6 is disposed on the liquid storage member 1, an air inlet 121 communicated with the atomizing chamber 6 is further disposed on the liquid storage member 1, and an air inlet channel 31 communicating the atomizing chamber 6 and the air inlet 121 is disposed on the sealing seat 3. Referring to fig. 3, the sealing member 4 can seal the air inlet channel 31 during transportation or before sale of the aerosol generating device, so as to block the communication between the atomizing chamber 6 of the atomizer and the air inlet hole 121 of the liquid storage member 1, thereby effectively preventing the aerosol-forming substrate stored in the liquid storage chamber 5 of the atomizer from leaking through the air inlet hole 121. Referring to fig. 4, when the aerosol generating device is used, the sealing of the blocking assembly 4 on the air inlet channel 31 is only removed by an external force, that is, the air inlet channel 31 is opened, so that the atomizing cavity 6 of the atomizer is communicated with the air inlet hole 121 on the liquid storage member 1, when the aerosol generating device is used for simulated smoking, the aerosol-forming substrate in the liquid storage cavity 5 of the liquid storage member 1 flows into the atomizing cavity 6 through the liquid inlet hole 211, the aerosol-forming substrate entering the atomizing cavity 6 is atomized by the atomizing core 22 of the atomizing assembly 2 to form aerosol, a user only needs to smoke through the smoke outlet 111, the external air flows into the atomizing cavity 6 through the air inlet hole 121 and the air inlet channel 31 in sequence, and mixes with the atomized aerosol-forming substrate to form smoke for the user to smoke, the smoke flows out through the smoke outlet 111 along with the airflow generated by negative pressure of smoking, and the user can smoke through the smoke outlet 111, the effect of simulating smoking is achieved.

Compared with the prior art, the atomizer provided by the embodiment of the utility model has the advantages that the atomizing component 2 and the sealing seat 3 are arranged in the accommodating cavity of the liquid storage component 1, the atomizing component 2 is supported on the sealing seat 3, the liquid storage cavity 5 is defined by the part, outside the atomizing component 2 and the sealing seat 3, in the liquid storage component 1, the atomizing cavity 6 which is separated from the liquid storage cavity 5 is arranged inside the atomizing component 2, the atomizing component 2 is also provided with the liquid inlet hole 211 which communicates the liquid storage cavity 5 and the atomizing cavity 6, the liquid storage component 1 is provided with the air inlet hole 121, and the sealing seat 3 is provided with the air inlet channel 31 which communicates the atomizing cavity 6 and the air inlet hole 121. Then in the aerosol generating device transportation, sell or before starting, only need seal inlet channel 31 through shutoff subassembly 4, block the intercommunication of the inlet port 121 on atomizing chamber 6 of atomizer and the stock solution spare 1, alright prevent effectively that the aerosol formation matrix of storing in the stock solution chamber 5 from taking place the seepage through inlet port 121, the transportation of the aerosol generating device of being convenient for. Therefore, the leakage of the air inlet hole 121 of the atomizer can be avoided, the pollution waste can be avoided, and the short circuit damage of the air inlet hole 121 of the atomizer to the electronic components in the battery can be avoided.

Referring to fig. 3, fig. 6 and fig. 9, in some embodiments, the blocking assembly 4 includes a sealing member 41 disposed in the air inlet passage 31 in an axially slidable manner along the air inlet passage 31, and a push-pull member 42 for pulling the sealing member 41 to separate the sealing member 41 from the air inlet passage 31, one end of the push-pull member 42 is connected to the sealing member 41, an opening 122 is correspondingly disposed on the liquid storage member 1 for passing the other end of the push-pull member 42, and the other end of the push-pull member 42 passes through the opening 122 to protrude outside the liquid storage member 1. By adopting the above scheme, when a user uses the aerosol generating device, the user only needs to pull the sealing element 41 through the push-pull element 42 to separate the sealing element 41 from the air inlet channel 31, so that the sealing of the blocking component 4 on the air inlet channel 31 can be quickly and conveniently removed, the atomizing cavity 6 of the atomizer is communicated with the air inlet hole 121 on the liquid storage component 1, when the aerosol generating device is used for simulating smoking, the aerosol-forming substrate in the liquid storage cavity 5 of the liquid storage component 1 flows into the atomizing cavity 6 through the liquid inlet hole 211, the aerosol-forming substrate entering the atomizing cavity 6 is atomized by the atomizing core 22 of the atomizing component 2 to form aerosol, the user only needs to suck the aerosol through the smoke outlet 111, the outside air flows into the atomizing cavity 6 through the air inlet hole 121 and the air inlet channel 31 in sequence and is mixed with the atomized aerosol-forming substrate to form smoke for the user to smoke, and the smoke flows out through the smoke outlet 111 along with the air flow generated by sucking negative pressure, the user can smoke through the smoke outlet 111, and the effect of simulating smoking is achieved. It is understood that the sealing member 41 may be a column-shaped or block-shaped sealing silicone member completely slidably disposed in the air inlet passage 31, and the sealing member 41 may also be a sealing silicone plug at least partially disposed in one end port of the air inlet passage 31. Of course, the sealing member 41 may be, but is not limited to, a sealing silicone member or a sealing silicone plug, for example, the sealing member 41 may also be a sealing rubber member or a sealing rubber plug.

Referring to fig. 3 and 6, in some embodiments, the push-pull member 42 is a long rod to facilitate pushing and pulling the sealing member 41. It will be appreciated that the push-pull member 42 may be, but is not limited to, a push-pull rod, for example, the push-pull member 42 may also be a pull cord or tab or the like that pulls the sealing member 41 to disengage the sealing member 41 from the air intake passage 31. When the push-pull member 42 is a long rod-shaped push-pull rod, the push-pull rod includes a long rod section 421 extending to the outside of the liquid storage member 1 and a connection section 422 connecting the long rod section 421 to the sealing member 41, wherein the connection section 422 is a flexible member made of a flexible material that is easy to tear the long rod section 421 apart from the sealing member 41, and the length of the long rod section 421 is much longer than that of the connection section 422. Through adopting above-mentioned scheme, the user only needs through stretching out stock solution spare 1 outside stock pole section 421 pulling sealing member 41 for sealing member 41 breaks away from inlet channel 31, can conveniently remove the closure of shutoff subassembly 4 to inlet channel 31 fast, makes the atomizing chamber 6 of atomizer and the inlet port 121 on stock solution spare 1 keep the intercommunication. At this time, the atomizer can be conveniently assembled on the power supply device 7 for use only by manually tearing off the long rod section 421 connected to the sealing member 41 by a user, and the operation is convenient, simple and practical, so that the long rod section 421 is prevented from interfering with the assembly of the atomizer and the power supply device 7.

Referring to fig. 3 and 6 in combination, in some embodiments, connecting section 422 has a diameter smaller than that of long shaft section 421, which facilitates a user to quickly and easily break long shaft section 421 connected to sealing member 41.

Referring to fig. 6 and 7, in some embodiments, the outer circumferential surface of the sealing element 41 is convexly provided with a plurality of annular abutting protrusions 411 for elastically abutting against the inner wall of the air inlet channel 31, and the annular abutting protrusions 411 elastically abut against the inner wall of the air inlet channel 31, so that on one hand, a sealing ring-like effect can be formed to perform a good sealing effect on the air inlet channel 31, and on the other hand, a contact area between the outer wall of the sealing element 41 and the inner wall of the air inlet channel 31 is reduced, friction is reduced, and the sealing element 41 is favorably and smoothly pulled by the push-pull element 42 to be quickly separated from the air inlet channel 31. It is understood that the number of the annular retaining projections 411 on the outer peripheral surface of the seal member 41 may be set to one, two, or more than three. When the number of the annular abutting protrusions 411 on the outer circumferential surface of the sealing member 41 is set to be more than three, the distance between two adjacent annular abutting protrusions 411 can be made equal, so that the sealing performance is enhanced, the stability of the sliding of the sealing member 41 along the inner wall of the air inlet channel 31 can be enhanced, and the phenomenon of blocking of the sealing member 41 can be avoided.

Referring to fig. 3 and 12, in some embodiments, the liquid storage component 1 includes a main housing 11 having a containing cavity and a base 12 hermetically mounted on a bottom opening 112 of the main housing 11, a smoke outlet 111 is disposed at a top end of the main housing 11, the sealing seat 3 is supported on a surface of the base 12 facing the containing cavity, the atomizing assembly 2 includes an atomizing cover 21 whose open end is supported on the sealing seat 3 and an atomizing core 22 for heating aerosol-forming substrate by heating, an inner cavity of the atomizing cover 21 forms an atomizing cavity 6, the atomizing core 22 is disposed in the atomizing cavity 6, a ventilation pipe 13 communicating the atomizing cavity 6 with the smoke outlet 111 is disposed in the main housing 11, a smoke outlet 212 is disposed at a closed end of the atomizing cover 21, and a smoke channel 14 communicating the smoke outlet 212 with the smoke outlet 111 is formed by a lumen of the ventilation pipe 13. Wherein, breather pipe 13 and atomizing cover 21 can be dismantled continuously through the sealed external member 8 by the preparation of silica gel material to make things convenient for atomizing component 2's whole dismouting and change. The cavity inside the main housing 11 outside the atomizing cover 21, the sealing seat 3 and the vent pipe 13 defines the liquid storage chamber 5. It should be understood that, referring to fig. 8 and 9, in some embodiments, in order to ensure the amount of the air intake, the air intake hole 211 is disposed on the side wall of the atomizing hood 21, the air intake hole 121 is disposed on the base 12, and one or more than two air intake holes 121 may be disposed. Through adopting above-mentioned scheme, the atomizer is at the during operation, aerosol formation substrate in the stock solution chamber 5 of stock solution spare 1 passes through feed liquor hole 211 and gets into atomizing chamber 6, atomizing core 22 is under power supply unit 7's electric drive, the aerosol formation substrate that the heating and atomizing got into in atomizing chamber 6, outside air forms substrate flash mixed with atomizing aerosol and forms smog from inlet port 121 on base 12, air inlet channel 31 on the seal receptacle 3 gets into atomizing chamber 6 after, smog is together with the negative pressure air current that forms when the user sucks again, lead to outlet flue 111 via breather pipe 13, so that supply the user to inhale. Moreover, the liquid storage member 1 comprises a main housing 11 with an accommodating cavity therein and a bottom opening 112, and a base 12 hermetically fitted in the bottom opening 112 of the main housing 11, so that the atomizing assembly 2 can be conveniently mounted in the main housing 11. It will be appreciated that the atomizing core 22 may include, but is not limited to, a heat generating filament 221 that can be electrically heated and a liquid guide 222 that is wound around the periphery of the heat generating filament 221 to uniformly guide the aerosol-forming substrate to the heat generating filament 221, and the liquid guide 222 may be, but is not limited to, a liquid guide cotton. The sealing seat 3 may be, but is not limited to, a sealing member made of silicone rubber and having heat insulation, sealing and insulating properties. It will be appreciated that in other embodiments, the air inlet holes 121 may be provided in the main housing 11, and only the air inlet channel 31 needs to be in communication with the air inlet holes 121. Of course, in other embodiments, the air inlet holes 121 are formed on both the main housing 11 and the base 12, and only the air inlet holes 121 on the main housing 11 and the air inlet holes 121 on the base 12 are respectively communicated with the air inlet channel 31, or the air inlet holes 121 on the main housing 11 are communicated with the air inlet channel 31 through the air inlet holes 121 on the base 12.

Referring to fig. 3 and 12, in some embodiments, the atomization cap 21 is disposed in a tubular shape, the axial direction of the air inlet channel 31 is parallel to the axial direction of the atomization cap 21, the blocking assembly 4 includes a sealing member 41 slidably disposed in the air inlet channel 31 and a push-pull member 42 for pulling the sealing member 41 along the axial direction of the atomization cap 21 to separate the sealing member 41 from the air inlet channel 31, one end of the push-pull member 42 is connected to the sealing member 41, an opening 122 for the other end of the push-pull member 42 to pass through is correspondingly disposed on the base 12, the other end of the push-pull member 42 passes through the opening 122 to extend out of the liquid storage member 1, a first port 311 of the air inlet channel 31 is communicated with the atomization chamber 6, a first groove 123 for accommodating the sealing member 41 is disposed on a surface of the base 12 facing the seal holder 3, and the first groove 123 communicates the air inlet 121 with a second port 312 of the air inlet channel 31. By adopting the above scheme, the first groove 123 is arranged on the surface of the base 12 facing the sealing seat 3, and the sealing element 41 can be directly accommodated in the first groove 123 after being separated from the air inlet channel 31 under the pulling action of the pushing and pulling element 42, and at this time, the air inlet 121 can be communicated with the air inlet channel 31 through the first groove 123. Meanwhile, after the sealing member 41 is separated from the air inlet channel 31, the aerosol forming substrate leaked from the air inlet channel 31 can be stored in the first groove 123, so that the phenomenon that the liquid leaks from the air inlet hole 121 cannot occur in the use process of the atomizer is ensured, and the use experience of a user is improved.

Referring to fig. 5 and 11, in some embodiments, the sealing seat 3 is provided with a vent groove 32 at a position adjacent to the second port 312 of the air inlet channel 31, so that when the push-pull member 42 is about to pull the sealing member 41 out of the air inlet channel 31, the vent groove 32 communicates the atomizing chamber 6 with the first groove 123 and/or the air inlet hole 121, so that external air can enter the atomizing chamber 6 through the vent groove 32, and a large amount of liquid leakage caused by the negative pressure generated in the atomizing chamber 6 to suck the aerosol-forming substrate in the liquid storage chamber 5 out during the process of pulling the sealing member 41 out of the air inlet channel 31 by the push-pull member 42 is prevented. It is understood that one or more than two vent grooves 32 may be provided, and the specific number of vent grooves 32 may be selected according to the actual use requirement, and is not limited herein.

Referring to fig. 4 and 8, in some embodiments, a protrusion 124 is protruded from the base 12 at a position corresponding to the air inlet channel 31, and the protrusion 124 is located in the first groove 123, so that the first groove 123 forms a reservoir at a portion outside the protrusion 124. Like this, after sealing member 41 breaks away from inlet channel 31, the aerosol formation substrate of following the inlet channel 31 seepage can be stored in the reservoir, guarantees that the phenomenon of inlet port 121 weeping can not take place at the in-process that the atomizer used, promotes user's use and experiences. And, be equipped with the imbibition cotton in the reservoir for the liquid of collecting in the reservoir is adsorbed by the imbibition cotton and is stored, is further favorable to guaranteeing that the phenomenon that inlet port 121 weeping can not take place for the atomizer in the in-process that uses, promotes user's use and experiences. The air inlet hole 121 is disposed on the protruding portion 124, the axial direction of the air inlet hole 121 is parallel to the axial direction of the atomizing cover 21, a positioning groove 125 for accommodating and positioning the sealing member 41 is further concavely disposed on the protruding portion 124, and the positioning groove 125 is communicated with the opening 122. By adopting the above scheme, the positioning groove 125 is arranged on the protruding portion 124 in the first groove 123, and the sealing member 41 is directly positioned in the positioning groove 125 after being separated from the air inlet channel 31 under the pulling action of the push-pull member 42, which is beneficial to rapidly tearing off the long rod segment 421 from the sealing member 41.

Referring to fig. 3 and 7, in some embodiments, a second groove 412 is recessed on a surface of the sealing member 41 facing the atomizing cover 21, so that the liquid leaking through the air inlet channel 31 is stored by the second groove 412, which is beneficial to preventing the liquid from leaking to the air inlet hole 121, and further improving the liquid leakage preventing effect. Moreover, after the sealing member 41 is separated from the air inlet channel 31, the height of the opening of the air inlet hole 121 is higher than the height of the notch of the second groove 412 in the direction from the base 12 to the smoke outlet 111, so that when a user uses the atomizer to smoke, the leakage generated through the air inlet channel 31 does not flow to the air inlet hole 121, and the airflow entering from the air inlet hole 121 blows off the surrounding condensate, thereby further improving the leakage prevention effect.

Referring to fig. 6 and 7, in some embodiments, the sealing member 41 is provided with a stop protrusion 413 protruding from the sealing member 41. By adopting the above scheme, the stopping protrusion 413 is convexly arranged on the sealing element 41, and when the air inlet channel 31 is sealed by the sealing element 41, the stopping protrusion 413 abuts against the first port 311 of the air inlet channel 31, so as to remind the sealing element 41 of being assembled in place. After the sealing member 41 is pulled to be separated from the air inlet channel 31 by the push-pull member 42, the bottom of the sealing member 41 is directly positioned in the positioning groove 125 and is abutted against the second port 312 of the air inlet channel 31 by the stop protrusion 413, so that the sealing member 41 is fixed in the positioning groove 125, and the sealing member 41 can be effectively prevented from being loosely displaced.

Referring to fig. 5 and 10, in some embodiments, the seal base 3 is provided with a positioning hole 33 for receiving and positioning the opening end of the atomizing cover 21, the first port 311 of the air inlet channel 31 is communicated with the opening end of the atomizing cover 21, and the diameter of the positioning hole 33 is larger than the diameter of the air inlet channel 31, so as to form a stepped hole on the sealing member 41. Through the scheme again, be equipped with the locating hole 33 on seal receptacle 3, only need with the open end holding of atomizing cover 21 and be fixed a position in locating hole 33, reinforcing atomizing cover 21's the steadiness and the leakproofness of installation. Moreover, the first port 311 of the air inlet channel 31 is communicated with the opening end of the atomizing cover 21, and the aperture of the positioning hole 33 is larger than the diameter of the air inlet channel 31, so as to form a stepped hole on the sealing member 41, and the first port 311 of the air inlet channel 31 is directly abutted against the opening end of the atomizing cover 21, so that the air inlet channel 31 can well communicate the atomizing chamber 6 with the air inlet 121

Referring to figure 18 of the drawings, there is also provided an aerosol generating device comprising an atomiser for atomising an aerosol-forming substrate and power supply means 7 for supplying power to the atomiser, the atomiser being as described in any one of the embodiments above, the atomiser being operable by electrical actuation of the power supply means 7 of the aerosol generating device. The aerosol generating device according to an embodiment of the present invention has all the technical features of the atomizer according to any one of the above embodiments, and therefore has the same technical effects as the atomizer described above.

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

Claims

1. An atomizer for an aerosol generating device, comprising:

2. The atomizer of claim 1, wherein said seal assembly comprises a first sleeve segment for slidably engaging said vent tube, a ring segment for abutting an end of said atomizing assembly, and a second sleeve segment for engaging an end of said atomizing assembly, said ring segment connecting said first sleeve segment to said second sleeve segment to form said seal assembly, and said first sleeve segment having an inner diameter greater than an annular diameter of an annular bore of said ring segment to form a first step surface at a junction of said first sleeve segment and said ring segment.

3. The atomizer of claim 2, wherein a first annular protrusion is circumferentially disposed on an inner wall of said first shroud segment along a circumference of said first shroud segment.

4. The atomizer according to claim 2, wherein a connecting pipe for connecting the atomizing chamber and the vent pipe is provided on a bottom end surface of the vent pipe, the connecting pipe extends from a bottom end orifice of the vent pipe toward the base, and an outer diameter of the connecting pipe is smaller than an outer diameter of the first casing pipe section, so as to form a second step surface at a joint of the vent pipe and the connecting pipe, and the second step surface is adapted to abut against the first step surface.

5. The atomizer of claim 4, wherein a second annular protrusion is circumferentially disposed on an inner wall of the annular bore of said collar segment along a circumferential direction of said collar segment.

6. The atomizer according to claim 1, wherein said atomizing assembly includes an atomizing hood supported at an open end thereof on said base and an atomizing core for generating heat when energized to heat an aerosol-forming substrate, an inner cavity of said atomizing hood defining said atomizing chamber, said atomizing core disposed within said atomizing chamber, a closed end of said atomizing hood defining a smoke outlet, a bottom end of said vent tube communicating with said smoke outlet, a portion of said main housing interior outside said atomizing hood, said seal assembly and said vent tube defining said reservoir, said liquid inlet opening disposed on a side wall of said atomizing hood.

7. The nebulizer of claim 6, wherein the sealing assembly comprises a first sleeve segment for slidably engaging the vent tube, a ring segment for abutting against the closed end of the nebulizing cap, and a second sleeve segment for engaging the closed end of the nebulizing cap, the ring segment connecting the first sleeve segment and the second sleeve segment to form the sealing assembly.

8. The atomizer of claim 7, wherein an inner diameter of said second sleeve segment is greater than an aperture of said annular ring of said annular sleeve segment to form a third step surface at a junction of said second sleeve segment and said annular sleeve segment, said third step surface for abutting against a closed end of said atomizing cap.

9. The atomizer according to any one of claims 1 to 8, further comprising a sealing seat supported on a surface of the base facing the accommodating chamber, wherein an open end of an atomizing cover of the atomizing assembly is supported and fixed on the sealing seat to form the atomizing chamber in an inner cavity of the atomizing cover, and the liquid inlet hole is formed in a side wall of the atomizing cover.

10. An aerosol generating device comprising an atomiser for atomising an aerosol-forming substrate and power supply means for supplying power to the atomiser, wherein the atomiser is an atomiser as claimed in any of claims 1 to 9.