CN219069470U - 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 an extrusion device, an atomization cavity, a liquid storage cavity, an air inlet, an air outlet, a liquid guide port and an air guide channel are arranged on the atomization bullet body, and the atomization core is arranged at a position corresponding to the liquid guide port on the atomization bullet body. In the atomizer structure, be equipped with extrusion device on the atomizing bullet main part, the aerosol formation matrix in the liquid storage chamber is extruded through extrusion device for aerosol formation matrix in the liquid storage chamber is smoothly transmitted to the atomizing core through the drain mouth, can guarantee that paste or the thick form aerosol formation matrix in the liquid storage chamber can smoothly, in time, steadily transmit to the atomizing core, both can avoid remaining more aerosol formation matrix in the liquid storage chamber and cause the wasting of resources, improve the utilization ratio of aerosol formation matrix, can prevent again that the transmission of paste or thick form aerosol formation matrix is unsmooth and cause the dry combustion method of atomizing core.

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 to the nebulizer, wherein the nebulizer is capable of heating and atomizing an aerosol-forming substrate stored in the nebulizer to form an aerosol under the electric drive of the power supply device.

In the current atomizer structure, a liquid storage cavity capable of storing aerosol forming matrixes is generally arranged in the atomizer, a liquid guide port communicated with the liquid storage cavity is arranged on the atomizing core, and the liquid storage cavity can continuously transmit the aerosol forming matrixes to the atomizing core through the liquid guide port. However, due to poor flowability of the viscous or pasty aerosol-forming matrix, the aerosol-forming matrix in the liquid storage cavity is difficult to smoothly transfer to the atomizing core, so that not only is more aerosol-forming matrix remained in the liquid storage cavity to reduce the utilization rate of the aerosol-forming matrix, but also the atomizing core is dry-burned due to insufficient or untimely transfer of the aerosol-forming matrix.

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 fluidity of a viscous or pasty aerosol-forming substrate in the prior art is poor, so that the aerosol-forming substrate in a liquid storage cavity is difficult to smoothly transfer to an atomizing core.

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, a liquid storage cavity, a liquid guide port and an air guide channel, wherein the atomization cavity and the liquid storage cavity are arranged in the atomization bullet body, the liquid storage cavity is used for storing aerosol forming matrixes, the air outlet is formed in the atomization bullet body, the air inlet is used for introducing external air into the atomization cavity, the liquid guide port is communicated with the liquid storage cavity, and the air guide channel is communicated with the atomization cavity and the air outlet;

the atomization core is used for atomizing the aerosol forming matrix to form aerosol, the atomization core is arranged on the atomization bullet body at a position corresponding to the liquid guide port, and the aerosol formed by atomization of the atomization core can be released to the atomization cavity; and

the extrusion device is arranged on the atomization bullet main body and is used for extruding aerosol forming matrixes in the liquid storage cavity so that the aerosol forming matrixes in the liquid storage cavity are transmitted to the atomization core through the liquid guide port.

Further, the extrusion device comprises an extrusion component arranged in the liquid storage cavity to extrude the aerosol to form a matrix, a push-pull component for driving the extrusion component to move and a cover body arranged on the atomization bullet main body, wherein the push-pull component is connected with the cover body in a sliding manner, and the extrusion component is connected with the push-pull component.

Further, the push-pull assembly comprises an actuating member slidably disposed on the cover body and a push rod connecting the actuating member with the pressing assembly.

Further, the actuating piece is a suction nozzle which is arranged on the cover body in a sliding manner; or, the actuating piece is a pressing rod which is arranged on the cover body in an axially sliding way; or, the actuating piece is a pressing pipe which is arranged on the cover body in an axially sliding way; or, the actuating piece is a pressing block which is arranged on the cover body in a sliding way.

Further, the squeezing device further comprises an elastic member for pushing the actuating member against the direction away from the atomizing bomb body, and the elastic member is disposed between the cover body and the actuating member.

Further, the elastic piece is a pressure spring, the pressure spring is sleeved on the actuating piece, the first end of the pressure spring is abutted to the cover body, and the second end of the pressure spring is abutted to the actuating piece.

Further, the extrusion assembly comprises a movable part and a sealing ring, the movable part is arranged in the liquid storage cavity in a sliding mode, the sealing ring is sleeved on the movable part, and the movable part is connected with the push-pull assembly.

Further, the movable piece is a piston; alternatively, the movable part is an extrusion block.

Further, the liquid guide opening is located the bottom of liquid storage cavity, the atomizing core is located the below of liquid guide opening, the atomizing cavity is located the below of liquid storage cavity, the atomizing core separates to be located the liquid storage cavity with between the atomizing cavity, the air guide passageway is located on the lateral wall of atomizing bullet main part.

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 embodiment of the utility model, in the atomizer structure, the extruding device is arranged on the atomizing bomb main body, and the aerosol forming substrate in the liquid storage cavity is extruded through the extruding device, so that the aerosol forming substrate in the liquid storage cavity is smoothly transmitted to the atomizing core through the liquid guide port, the defect that the aerosol forming substrate is not smooth due to poor flowability of the pasty or sticky aerosol forming substrate is overcome, the pasty or sticky aerosol forming substrate in the liquid storage cavity can be ensured to be smoothly, timely and stably transmitted to the atomizing core, resource waste caused by more aerosol forming substrates remained in the liquid storage cavity can be avoided, the utilization rate of the aerosol forming substrate is improved, and dry burning of the atomizing core caused by poor transmission of the pasty or sticky aerosol forming substrate can be prevented.

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 perspective view of an atomizer according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional structural view of the atomizer shown in FIG. 1;

FIG. 3 is an exploded view of the atomizer shown in FIG. 1;

FIG. 4 is a schematic cross-sectional view of the squeezing means of the atomizer shown in FIG. 1;

FIG. 5 is an exploded view of the atomizing core of the atomizer shown in FIG. 1;

fig. 6 is an exploded view of the atomizer shown in fig. 1.

Wherein, each reference sign in the figure:

1-a bullet body; 11-a liquid storage piece; 12-a base; 13-an atomization chamber; 14-a liquid storage cavity; 15-air inlet; 16-an air outlet; 17-a liquid guide port; 18-an air guide channel; 19-suction port;

2-atomizing core; 21-a porous ceramic matrix; 22-heating element; 23-a seal; 24-sucking liquid level; 25-atomizing surface; 26-a reservoir;

3-an extrusion device; 31-an extrusion assembly; 311-moving parts; 312-a first sealing ring; 32-a push-pull assembly; 321-an actuator; 322-push rod; 323-a second abutment; 33-a cover; 331-a receiving cavity; 332-a first slide hole; 34-an elastic member; 35-positioning piece; 351-second slide hole; 352-first abutment;

4-a second sealing ring; and 5-a third sealing ring.

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 by the embodiment of the utility model is suitable for an aerosol generating device, and the aerosol generating device generally comprises the atomizer and a power supply device electrically connected with the atomizer. When the aerosol generating device is used, the power supply device can supply electric energy to the atomizer, and the atomizing core 2 of the atomizer atomizes the aerosol forming substrate stored in the atomizer to form aerosol which can be inhaled by a user under the action of electric drive.

Referring to fig. 1, fig. 2 and fig. 3 in combination, the atomizer provided in the embodiment of the utility model includes an atomization bomb body 1, an atomization core 2 and an extrusion device 3, the outer contour of the atomization bomb body 1 is in a column shape, an atomization cavity 13 and a liquid storage cavity 14 for storing aerosol forming substrates are provided in the atomization bomb body 1, an air inlet 15, an air outlet 16, a liquid guide port 17 and an air guide channel 18 are provided on the atomization bomb body 1, the air inlet 15 is communicated with the atomization cavity 13, external air can be introduced into the atomization cavity 13 through the air inlet 15, the air guide channel 18 is communicated with the atomization cavity 13 and the air outlet 16, and the liquid guide port 17 is communicated with the liquid storage cavity 14. The atomizing core 2 is arranged at a position corresponding to the liquid guide opening 17 on the atomizing bullet main body 1, aerosol forming matrixes in the liquid storage cavity 14 can be transmitted to the atomizing core 2 through the liquid guide opening 17, the atomizing core 2 can atomize the aerosol forming matrixes to form aerosol, and the aerosol formed by atomizing the atomizing core 2 can be released to the atomizing cavity 13. When a user sucks, under the action of negative pressure formed by suction, external air is introduced into the atomizing cavity 13 through the air inlet 15, and after the air introduced into the atomizing cavity 13 is mixed with aerosol in the atomizing cavity 13, the air is guided to the air outlet 16 along with suction air flow through the air guide channel 18 so as to be sucked by the user. In order to overcome the defect that the aerosol forming matrix is not smooth due to poor flowability of the pasty or viscous aerosol forming matrix, the extrusion device 3 is arranged on the atomization bullet main body 1, and the extrusion device 3 can extrude the aerosol forming matrix in the liquid storage cavity 14, so that the aerosol forming matrix in the liquid storage cavity 14 is smoothly transmitted to the atomization core 2 through the liquid guide port 17, the utilization rate of the aerosol forming matrix is reduced due to the fact that more aerosol forming matrix remains in the liquid storage cavity 14, and dry burning of the atomization core 2 due to the fact that the pasty or viscous aerosol forming matrix is not smooth in transmission is prevented.

Compared with the prior art, the atomizer provided by the embodiment of the utility model has the advantages that the extruding device 3 is arranged on the atomizing bullet main body 1, and the aerosol forming matrix in the liquid storage cavity 14 is extruded by the extruding device 3, so that the aerosol forming matrix in the liquid storage cavity 14 is smoothly transmitted to the atomizing core 2 through the liquid guide port 17, the defect that the transmission of the aerosol forming matrix is unsmooth due to poor flowability of the pasty or sticky aerosol forming matrix is overcome, the pasty or sticky aerosol forming matrix in the liquid storage cavity 14 can be ensured to be smoothly, timely and stably transmitted to the atomizing core 2, the resource waste caused by more aerosol forming matrix remained in the liquid storage cavity 14 can be avoided, the utilization rate of the aerosol forming matrix is improved, and the dry burning of the atomizing core 2 caused by unsmooth transmission of the pasty or sticky aerosol forming matrix can be prevented.

Referring to fig. 2, fig. 4 and fig. 6 in combination, in some embodiments, the extruding device 3 includes an extruding component 31, a push-pull component 32 and a cover 33, the cover 33 is disposed on the atomizing bullet main body 1, the push-pull component 32 is slidably connected with the cover 33, the extruding component 31 is disposed in the liquid storage cavity 14, and the extruding component 31 is connected with the push-pull component 32, so that the extruding component 31 can drive the extruding component 31 to move in the liquid storage cavity 14 through the push-pull component 32, so that the extruding component 31 can extrude the aerosol forming substrate in the liquid storage cavity 14, and thereby the paste or viscous aerosol forming substrate in the liquid storage cavity 14 can be ensured to be smoothly, timely and stably transferred to the atomizing core 2 through the liquid guide port 17.

Referring to fig. 2, fig. 4 and fig. 6 in combination, in some embodiments, the push-pull assembly 32 includes an actuating member 321 and a push rod 322, the actuating member 321 is slidably disposed on the cover 33, the push rod 322 connects the actuating member 321 with the extrusion assembly 31, so that the push rod 322 can be actuated by the actuating member 321, and the push rod 322 further drives the extrusion assembly 31 to move in the liquid storage cavity 14, so that the extrusion assembly 31 can extrude the aerosol-forming substrate in the liquid storage cavity 14, thereby ensuring that the paste or viscous aerosol-forming substrate in the liquid storage cavity 14 can be smoothly, timely and stably transferred to the atomizing core 2 through the liquid guide port 17.

Referring to fig. 2, 4 and 6, in some embodiments, the actuator 321 may be a suction nozzle slidably disposed on the cover 33, where a suction opening 19 is provided in communication with the air outlet 16, and a user may suck aerosol through the suction opening 19. In this embodiment, since the suction nozzle is slidably disposed on the cover 33 along the up-down direction, the suction nozzle can be slid downward to actuate the push rod 322, and the push rod 322 drives the extrusion component 31 to move in the liquid storage cavity 14, so that the extrusion component 31 can extrude the aerosol-forming substrate in the liquid storage cavity 14, thereby ensuring that the paste or viscous aerosol-forming substrate in the liquid storage cavity 14 can be smoothly, timely and stably transferred to the atomizing core 2 through the liquid guide port 17.

It will be appreciated that in other embodiments, the actuator 321 may be a push rod slidably disposed on the cover 33. In other embodiments, the actuator 321 may be a pressing tube slidably disposed on the cover 33 along the axial direction. In other embodiments, the actuator 321 may be a pressing block slidably disposed on the cover 33 in the up-down direction. Of course, the actuator 321 may be, but is not limited to, a suction nozzle, a pressing bar, a pressing tube, or a pressing block as described above.

Referring to fig. 2, fig. 4 and fig. 6 in combination, in some embodiments, the pressing device 3 further includes an elastic member 34 disposed between the cover 33 and the actuating member 321, the elastic member 34 can push the actuating member 321 towards a direction away from the main body 1 of the atomizer, so that after the user removes the pressing force on the actuating member 321, the elastic member 34 can push the actuating member 321 to an initial position, thereby ensuring that the user can use the atomizer normally.

Referring to fig. 2, fig. 4 and fig. 6 in combination, in some embodiments, the elastic member 34 is a compression spring, the compression spring is sleeved on the actuating member 321, a first end of the compression spring abuts against the cover 33, and a second end of the compression spring abuts against the actuating member 321. In this embodiment, the compression spring is sleeved on the actuating member 321, and the elastic force of the compression spring is utilized to push the actuating member 321 to the initial position, which is beneficial to improving the stability and reliability of the operation of the actuating member 321. It should be noted that, the cover 33 is provided with a receiving cavity 331 for receiving the actuator 321, a first sliding hole 332 communicating with the receiving cavity 331 is provided at the top of the cover 33, a positioning member 35 is provided at the bottom of the cover 33, a second sliding hole 351 is provided on the positioning member 35, and the elastic member 34 is received in the receiving cavity 331. The actuating member 321 is at least partially slidably disposed in the accommodating cavity 331, two ends of the actuating member 321 are slidably inserted into the first sliding hole 332 and the second sliding hole 351, a sliding connection portion between the actuating member 321 and the first sliding hole 332 is provided with a second sealing ring 4, and a sliding connection portion between the actuating member 321 and the second sliding hole 351 is provided with a third sealing ring 5, so as to enhance tightness. In addition, the positioning member 35 is provided with a first abutting portion 352 for abutting against a first end of the compression spring, and the actuating member 321 is provided with a second abutting portion 323 for abutting against a second end of the compression spring. It is understood that the resilient member 34 may be, but is not limited to, a compression spring.

Referring to fig. 2, fig. 4 and fig. 6 in combination, in some embodiments, the extruding assembly 31 includes a movable member 311 slidably disposed in the liquid storage cavity 14 and a first sealing ring 312 sleeved on the movable member 311, the movable member 311 is connected with a push rod 322 of the push-pull assembly 32, so that the push rod 322 can be actuated by an actuating member 321 of the push-pull assembly 32, and the push rod 322 further drives the movable member 311 to move in the liquid storage cavity 14, so that the extruding assembly 31 can extrude an aerosol forming substrate in the liquid storage cavity 14, thereby ensuring that the paste or viscous aerosol forming substrate in the liquid storage cavity 14 can be smoothly, timely and stably transferred to the atomizing core 2 through the liquid guide port 17. Because the movable piece 311 is sleeved with the first sealing ring 312, the sealing performance of the contact between the movable piece 311 and the inner wall of the liquid storage cavity 14 can be enhanced. It is understood that the moveable member 311 may be, but is not limited to, a piston or a squeeze block.

Referring to fig. 2 in combination, in some embodiments, the liquid guiding port 17 is located at the bottom of the liquid storage cavity 14, and the aerosol-forming substrate in the liquid storage cavity 14 can be completely transported to the atomizing core 2 through the liquid guiding port 17 under the extrusion action of the extrusion device 3 until the aerosol-forming substrate in the liquid storage cavity 14 is completely consumed, so that the aerosol-forming substrate in the liquid storage cavity 14 can be fully and effectively utilized, and the utilization rate of the aerosol-forming substrate is improved. And, atomizing core 2 is located the below of drain port 17, can make the aerosol formation matrix in the liquid storage chamber 14 pass through drain port 17 and directly transmit to atomizing core 2, shorten paste or the distance that the aerosol formation matrix of sticky form transmitted to atomizing core 2, add the cross-sectional area of flow of drain port 17 is big enough, can effectively avoid paste or the aerosol formation matrix of sticky form to cause the jam to drain port 17 and appear supplying the smooth trouble of liquid, thereby can guarantee that paste or the aerosol formation matrix of sticky form in the liquid storage chamber 14 can smoothly, in time, steadily transmit to atomizing core 2.

Referring to fig. 2, 5 and 6 in combination, in some embodiments, the atomizing core 2 includes a porous ceramic substrate 21 and a heat generating element 22 disposed on the porous ceramic substrate 21, the porous ceramic substrate 21 having a liquid suction surface 24 facing the liquid guide 17 and an atomizing surface 25 facing the atomizing chamber 13, the heat generating element 22 being disposed on the atomizing surface 25. It is understood that heat-generating component 22 includes, but is not limited to, a metal heat-generating wire, a metal heat-generating sheet, or a metal heat-generating film. In other embodiments, the atomizing core 2 may also be a porous ceramic heat generating element 22 that generates heat when energized, the porous ceramic heat generating element 22 comprising the ceramic atomizing core 2 integrating the functions of adsorbing and heating the aerosol-forming substrate. In other embodiments, the atomizing core 2 may also include a porous ceramic heat generating element 22 and a sealing element 23 sleeved on the porous ceramic heat generating element 22, and the sealing element 23 may be, but is not limited to, a silica gel element.

Referring to fig. 2, 5 and 6, in some embodiments, a liquid storage groove 26 for storing aerosol-forming substrates is formed on a surface of the porous ceramic substrate 21 facing the liquid guiding opening 17, that is, a liquid storage groove 26 for storing aerosol-forming substrates is formed on a liquid absorbing surface 24 of the porous ceramic substrate 21, and a notch of the liquid storage groove 26 is communicated with the liquid guiding opening 17, so that the aerosol-forming substrates in the liquid storage cavity 14 can be directly transferred to the liquid storage groove 26 through the liquid guiding opening 17, the liquid storage groove 26 can temporarily store the aerosol-forming substrates, and when the atomizer works, the distance from the aerosol-forming substrates to an atomization surface 25 of the porous ceramic substrate 21 can be further shortened, which is beneficial to improving the atomization efficiency and the aerosol generation amount.

Referring to fig. 2 in combination, in some embodiments, the atomizing chamber 13 is located below the liquid storage chamber 14, the atomizing core 2 is disposed between the liquid storage chamber 14 and the atomizing chamber 13, and the air guide channel 18 is disposed on the sidewall of the atomizing bomb body 1, so that the air flow path can be prolonged, and the aerosol is buffered by the air guide channel 18 bent on the sidewall, so as to avoid uncomfortable feeling of impacting throat caused by the fast flowing aerosol being directly inhaled into the mouth of a user.

Referring to fig. 2, 3 and 6 in combination, in some embodiments, the atomization shell body 1 includes a liquid storage member 11 and a base 12 mounted at the bottom of the liquid storage member 11, the extrusion device 3 is mounted at the top of the liquid storage member 11, the air guide channel 18, the liquid storage chamber 14, the liquid guide opening 17 and the air outlet 16 are disposed on the liquid storage member 11, the atomization core 2 is disposed on the base 12 and/or the liquid storage member 11 at a position adjacent to the liquid guide opening 17, the base 12 and/or the liquid storage member 11 is provided with an atomization chamber 13, an aerosol forming matrix in the liquid storage chamber 14 can be transferred to the atomization core 2 through the liquid guide opening 17, and an aerosol formed by atomization after the atomization core 2 is electrified can be released to the atomization chamber 13. When a user sucks, under the action of negative pressure formed by suction, external air is introduced into the atomizing cavity 13 through the air inlet 15, and after the air introduced into the atomizing cavity 13 is mixed with aerosol in the atomizing cavity 13, the air is guided to the air outlet 16 along with suction air flow through the air guide channel 18 so as to be sucked by the user. It should be noted that, the cover 33 of the extruding device 3 is fixedly installed at the top of the liquid storage member 11, the push-pull component 32 of the extruding device 3 is slidably connected with the cover 33, and the extruding lease price of the extruding device 3 is disposed in the liquid storage cavity 14 of the liquid storage member 11, so that the push-pull component 32 can drive the extruding component 31 to move in the liquid storage cavity 14, so that the extruding component 31 can extrude the aerosol forming matrix in the liquid storage cavity 14, and the paste or viscous aerosol forming matrix in the liquid storage cavity 14 can be ensured to be smoothly, timely and stably transferred to the atomizing core 2 through the liquid guide port 17.

The embodiment of the utility model also provides an aerosol generating device, which comprises the atomizer provided by any embodiment. Since the aerosol generating device has all the technical features of the atomizer provided in any of the above embodiments, it has the same technical effects as the 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, a liquid storage cavity, a liquid guide port and an air guide channel, wherein the atomization cavity and the liquid storage cavity are arranged in the atomization bullet body, the liquid storage cavity is used for storing aerosol forming matrixes, the air outlet is formed in the atomization bullet body, the air inlet is used for introducing external air into the atomization cavity, the liquid guide port is communicated with the liquid storage cavity, and the air guide channel is communicated with the atomization cavity and the air outlet;

the atomization core is used for atomizing the aerosol forming matrix to form aerosol, the atomization core is arranged on the atomization bullet body at a position corresponding to the liquid guide port, and the aerosol formed by atomization of the atomization core can be released to the atomization cavity; and

the extrusion device is arranged on the atomization bullet main body and is used for extruding aerosol forming matrixes in the liquid storage cavity so that the aerosol forming matrixes in the liquid storage cavity are transmitted to the atomization core through the liquid guide port.

2. The atomizer of claim 1 wherein said extrusion means comprises an extrusion assembly disposed in said reservoir for extruding said aerosol-forming substrate, a push-pull assembly for moving said extrusion assembly, and a cover disposed on said atomizer body, said push-pull assembly being slidably coupled to said cover, said extrusion assembly being coupled to said push-pull assembly.

3. The atomizer of claim 2 wherein said push-pull assembly includes an actuator slidably disposed on said cover and a push rod connecting said actuator to said compression assembly.

4. A nebulizer as claimed in claim 3, wherein the actuating member is a suction nozzle slidably disposed on the cover; or, the actuating piece is a pressing rod which is arranged on the cover body in an axially sliding way; or, the actuating piece is a pressing pipe which is arranged on the cover body in an axially sliding way; or, the actuating piece is a pressing block which is arranged on the cover body in a sliding way.

5. A nebulizer as claimed in claim 3, wherein the squeezing means further comprises an elastic member for urging the actuating member in a direction away from the body of the nebulizer, the elastic member being disposed between the cap and the actuating member.

6. The atomizer of claim 5 wherein said elastic member is a compression spring, said compression spring is disposed around said actuator, a first end of said compression spring is in abutment with said cover, and a second end of said compression spring is in abutment with said actuator.

7. The atomizer of claim 2 wherein said extrusion assembly includes a movable member slidably disposed within said reservoir and a seal ring disposed over said movable member, said movable member being coupled to said push-pull assembly.

8. The atomizer of claim 7 wherein said movable member is a piston; alternatively, the movable part is an extrusion block.

9. The atomizer of any one of claims 1 to 8, wherein said liquid guide opening is located at a bottom of said liquid storage chamber, said atomizing core is located below said liquid guide opening, said atomizing chamber is located below said liquid storage chamber, said atomizing core is spaced between said liquid storage chamber and said atomizing chamber, and said air guide channel is provided on a side wall of said atomizer body.

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

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