CN219613039U - Atomizer and aerosol generating device - Google Patents

Abstract

The utility model provides an atomizer and an aerosol generating device. After the base component is connected to the liquid storage component in a matching way, the liquid supply port can be opened by the switch valve component, so that atomized liquid in the first liquid storage cavity of the liquid storage component can be normally supplied to the atomized core through the liquid supply port. When the base assembly is detached from the liquid storage assembly, the switch valve assembly closes the liquid supply port, so that atomized liquid in the first liquid storage cavity cannot flow out through the liquid supply port. Like this, under the circumstances such as needs washing, maintenance or change atomizing core, even dismantle the separation with base subassembly from the stock solution subassembly back, the atomized liquid in the stock solution subassembly also can not follow the feed liquid mouth and flow out, and then effectively avoid appearing leaking the liquid at washing, maintenance or change atomizing core's in-process.

Description

Atomizer and aerosol generating device

Technical Field

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

Background

The aerosol generating device generally comprises a nebulizer and a power supply device electrically connected with the nebulizer, wherein the nebulizer can heat and atomize the atomized liquid stored in the nebulizer to form aerosol under the electric driving action of the power supply device. In the current atomizer structure, generally set up the atomizing core on the base subassembly to assemble the base subassembly on the stock solution subassembly, in order to make things convenient for the washing, maintenance or the change of atomizing core.

However, in the case of cleaning, maintaining or replacing the atomizing core, the base component and the liquid storage component need to be detached and separated first to take out the atomizing core. After the base assembly is separated from the liquid storage assembly, atomized liquid in the liquid storage assembly flows out from the liquid inlet hole, so that liquid leakage occurs in the liquid storage assembly.

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 when the atomizer in the prior art needs to clean, repair or replace an atomizing core, atomized liquid in a liquid storage component flows out from a liquid inlet hole to cause liquid leakage.

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

the liquid storage assembly is internally provided with a first liquid storage cavity for storing atomized liquid, and a liquid supply port for the atomized liquid to flow out is arranged on the liquid storage assembly;

the base component is used for being connected with the liquid storage component in a matched mode;

the atomizing core is arranged on the base component; and

the switch valve assembly is used for opening or closing the liquid supply port and is arranged on the liquid storage assembly at a position corresponding to the liquid supply port;

when the base component is connected to the liquid storage component in a matching way, the switch valve component opens the liquid supply port so that atomized liquid in the first liquid storage cavity can be transmitted to the atomization core through the liquid supply port; when the base component is separated from the liquid storage component, the switch valve component closes the liquid supply port.

Further, the switch valve assembly comprises a valve body and a piston body, the valve body is arranged in the liquid supply port, a valve hole is formed in the valve body, and the piston body is movably arranged in the valve hole; when the base assembly is separated from the liquid storage assembly, the piston body is positioned at a first position for closing the valve hole; when the base assembly is matingly connected to the liquid storage assembly, the base assembly actuates the piston body to move the piston body to a second position that opens the valve bore.

Further, an actuator for actuating the piston body from the first position to the second position is provided on the base assembly.

Further, the actuating piece is a jack post arranged on the base assembly; or, the actuating piece is an ejector spring arranged on the base assembly; or, the actuating piece is a supporting protrusion arranged on the base assembly; alternatively, the actuating member is a top sheet provided on the base assembly.

Further, the valve hole is a stepped hole with a small hole at the bottom and a large hole at the top, and the piston body can be movably arranged in the large hole of the stepped hole along the axial direction; when the piston body is positioned at the first position, the bottom end of the piston body can block the small hole of the stepped hole; when the piston body moves to the second position, the bottom end of the piston body can be used for removing the blocking of the small hole of the stepped hole.

Further, the piston body comprises a liquid blocking plug which can be movably arranged in the large hole of the stepped hole along the axial direction and a guide post which is connected with the liquid blocking plug, and a liquid leakage groove is arranged at the edge of the liquid blocking plug.

Further, the number of the liquid leakage grooves is multiple, and the liquid leakage grooves are distributed at intervals along the circumferential direction of the liquid blocking plug.

Further, the switch valve assembly further comprises a limiting piece used for limiting the liquid blocking plug in the large hole of the stepped hole, a limiting hole is formed in the limiting piece, and one end, deviating from the liquid blocking plug, of the guide column can be movably arranged in the limiting hole along the axial direction.

Further, the base subassembly includes the drain pan and locates atomizing pipe in the drain pan, the drain pan is inside in the part outside the atomizing pipe defines the second stock solution chamber, the atomizing core is located in the atomizing pipe, be equipped with on the atomizing pipe and be used for supplying the atomized liquid in the second stock solution chamber is transmitted to the infusion hole of atomizing core, the interior bottom surface in second stock solution chamber is the concave surface of inwards sunken, it is provided with to be close to on the atomizing pipe the lowest position department of concave surface the infusion hole.

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

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

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

according to the atomizer and the aerosol generating device, in the structure of the atomizer, the liquid storage component and the base component are independently arranged, the atomizing core is arranged on the base component, and the switch valve component is arranged in the liquid supply port of the liquid storage component. After the base component is connected to the liquid storage component in a matching way, the liquid supply port can be opened by the switch valve component, so that atomized liquid in the first liquid storage cavity of the liquid storage component can be normally supplied to the atomized core through the liquid supply port. When the base assembly is detached from the liquid storage assembly, the switch valve assembly closes the liquid supply port, so that atomized liquid in the first liquid storage cavity cannot flow out through the liquid supply port. Like this, under the circumstances such as needs washing, maintenance or change atomizing core, even dismantle the separation with base subassembly from the stock solution subassembly back, the atomized liquid in the stock solution subassembly also can not follow the feed liquid mouth and flow out, and then effectively avoid appearing leaking the liquid at washing, maintenance or change atomizing core's in-process.

Drawings

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

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

FIG. 2 is an exploded view of a nebulizer provided in an embodiment of the utility model;

fig. 3 is a schematic perspective view of a switch valve assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of a switching valve assembly according to an embodiment of the present utility model;

fig. 5 is a schematic perspective view of a valve body according to an embodiment of the present utility model;

fig. 6 is a schematic perspective view of a limiting member according to an embodiment of the present utility model;

fig. 7 is a schematic perspective view of a piston body according to an embodiment of the present utility model;

fig. 8 is a schematic perspective view of a liquid sealing member according to an embodiment of the present utility model;

fig. 9 is another schematic cross-sectional view of an on-off valve assembly according to an embodiment of the present utility model.

Wherein, each reference sign in the figure:

1-a liquid storage component; 11-a liquid storage piece; 12-a breather pipe;

2-a base assembly; 21-a bottom shell; 22-atomizing tube; 23-sealing liquid piece; 24-transfusion hole; 25-a second airway; 26-concave;

3-a switching valve assembly; 31-a valve body; 32-a piston body; 321-liquid blocking plug; 322-guide posts; 33-valve hole; 331-a small hole; 332-macropores; 34-a limiting piece; 35-a liquid leakage groove; 36-limiting holes; 37-first airway;

4-atomizing core; 5-a first reservoir; 6-suction nozzle;

7-a second liquid storage cavity; 8-an interface; 9-actuator.

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 utility model. 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 9, 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 4 of the atomizer atomizes atomized liquid stored in the atomizer under the action of electric drive to form aerosol which can be sucked by a user.

Referring to fig. 1, fig. 2 and fig. 3 in combination, the atomizer provided in the embodiment of the utility model includes a liquid storage assembly 1, a base assembly 2, a switch valve assembly 3 and an atomizing core 4, wherein a first liquid storage cavity 5 is provided in the liquid storage assembly 1, and the first liquid storage cavity 5 is used for storing atomized liquid. The bottom of stock solution subassembly 1 is equipped with the feed liquor mouth with first stock solution chamber 5 intercommunication, and the atomized liquid of storing in the first stock solution chamber 5 can flow out through the feed liquor mouth under the effect of self gravity. The base component 2 can be connected with the liquid storage component 1 in a matched manner, and the base component 2 can be detachably connected with the liquid storage component 1 through any one of a magnetic connection mode, a buckle connection mode or a threaded connection mode. The atomizing core 4 is arranged on the base component 2, and the atomizing core 4 can atomize the atomized liquid to form aerosol after being electrified. The switch valve assembly 3 is disposed on the liquid storage assembly 1 corresponding to the liquid supply port, and the liquid supply port can be selectively opened or closed by the switch valve assembly 3. Specifically, when the base component 2 is connected to the liquid storage component 1 in a matching way, the liquid supply port is opened by the switch valve component 3, so that atomized liquid in the first liquid storage cavity 5 can be transmitted to the atomization core 4 through the liquid supply port, and normal atomization work of the atomizer is ensured. When base subassembly 2 and stock solution subassembly 1 separation, switch valve assembly 3 close the feed mouth for the atomized liquid of storing in the first stock solution chamber 5 can't flow out via the feed mouth, thereby after base subassembly 2 and stock solution subassembly 1 separation, atomized liquid in stock solution subassembly 1 can not follow the feed mouth and flow out, and then effectively avoid appearing the weeping at the in-process of wasing, maintenance or changing atomizing core 4. The atomizing core 4 may be a ceramic atomizing member in which a metal heating member is disposed on a porous ceramic substrate, and the atomizing core 4 may be an atomizing member in which liquid absorbent cotton is wrapped outside the metal heating member.

Compared with the prior art, the atomizer provided by the embodiment of the utility model has the advantages that the liquid storage component 1 and the base component 2 are independently arranged, the atomizing core 4 is arranged on the base component 2, and the switch valve component 3 is arranged in the liquid supply port of the liquid storage component 1. After the base assembly 2 is connected to the liquid storage assembly 1 in a matching way, the liquid supply port can be opened by the switch valve assembly 3, so that atomized liquid in the first liquid storage cavity 5 of the liquid storage assembly 1 can be normally supplied to the atomization core 4 through the liquid supply port. When the base assembly 2 is detached from the liquid storage assembly 1, the switch valve assembly 3 closes the liquid supply port, so that atomized liquid in the first liquid storage cavity 5 cannot flow out through the liquid supply port. Like this, under the circumstances such as needs washing, maintenance or change atomizing core 4, even dismantle the separation with base subassembly 2 from stock solution subassembly 1 back, the atomized liquid in stock solution subassembly 1 also can not follow the feed liquid mouth and flow out, and then effectively avoid appearing leaking the liquid at washing, maintenance or change atomizing core 4's in-process. In addition, the atomizer provided by the embodiment of the utility model can be convenient for a user to replace any part of the liquid storage component 1, the base component 2 and the atomizing core 4, so that resource waste caused by the fact that the user needs to integrally replace the atomizer is avoided, and the use cost of the user can be reduced.

Referring to fig. 3, 4 and 9 in combination, in some embodiments, the on-off valve assembly 3 includes a valve body 31 and a piston body 32, the valve body 31 is disposed in the liquid supply port, a valve hole 33 is disposed on the valve body 31, the piston body 32 is movably disposed in the valve hole 33, and the piston body 32 can be actuated by an external force to close or open the valve hole 33 by the piston body 32. Specifically, when the base assembly 2 is detached from the liquid storage assembly 1, the piston body 32 is located at the first position for closing the valve hole 33, and at this time, the liquid supply port is closed by the switch valve assembly 3, so that the atomized liquid in the first liquid storage cavity 5 cannot flow out through the liquid supply port. When the base assembly 2 is connected to the liquid storage assembly 1 in a matched manner, the base assembly 2 can actuate the piston body 32, so that the piston body 32 moves to a second position for opening the valve hole 33, and atomized liquid in the first liquid storage cavity 5 can be normally supplied to the atomized core 4 through the liquid supply port.

Referring to fig. 2 and 8 in combination, in some embodiments, the seat assembly 2 is provided with an actuator 9, the actuator 9 being configured to actuate the piston body 32 from a first position closing the valve opening 33 to a second position opening the valve opening 33. Specifically, when the base assembly 2 is detached from the liquid storage assembly 1, the actuating member 9 on the base assembly 2 removes the actuating action on the piston body 32, the piston body 32 is reset to the first position for closing the valve hole 33, and at this time, the liquid supply port is closed by the switch valve assembly 3, so that the atomized liquid in the first liquid storage cavity 5 cannot flow out through the liquid supply port. When the base assembly 2 is connected to the liquid storage assembly 1 in a matching way, the actuating piece 9 on the base assembly 2 can actuate the piston body 32, so that the piston body 32 moves to a second position for opening the valve hole 33, and atomized liquid in the first liquid storage cavity 5 can be normally supplied to the atomized core 4 through the liquid supply port.

Referring to fig. 2 and 8 in combination, in some embodiments, the actuator 9 is a jack post provided on the base assembly 2, through which the piston body 32 is pushed from a first position closing the valve bore 33 to a second position opening the valve bore 33. The actuator 9 may also be a push spring, a push protrusion, a push sheet, or the like provided on the base assembly 2, which can push against the piston body 32.

Referring to fig. 4, 5 and 9, in some embodiments, the valve hole 33 is a stepped hole with a small hole 331 at the bottom and a large hole 332 at the top, and the piston body 32 is movably disposed in the large hole 332 of the stepped hole along the axial direction, so as to enhance the stability of the up-and-down movement of the piston body 32. Specifically, when the base assembly 2 is detached from the liquid storage assembly 1, the piston body 32 is located at the first position, and the bottom end of the piston body 32 can close the small hole 331 of the stepped hole. When the base assembly 2 is connected to the liquid storage assembly 1 in a matching way, the piston body 32 moves to the second position, and the bottom end of the piston body 32 can release the blocking of the small hole 331 of the stepped hole.

Referring to fig. 4, 7 and 9 in combination, in some embodiments, the piston body 32 includes a liquid blocking plug 321 and a guide post 322, the liquid blocking plug 321 is movably disposed in the large hole 332 of the stepped hole along the axial direction, and the guide post 322 is connected to the liquid blocking plug 321. Specifically, when the base assembly 2 is detached from the liquid storage assembly 1, the guide post 322 guides the liquid blocking plug 321 to reset to the first position, so that the bottom end of the liquid blocking plug 321 can block the small hole 331 of the stepped hole. When the base assembly 2 is connected to the liquid storage assembly 1 in a matching way, the guide post 322 guides the liquid blocking plug 321 to move to the second position, and the liquid blocking plug 321 can unblock the small hole 331 of the stepped hole. The liquid blocking plug 321 forms the bottom end of the piston body 32, and the outer circumferential surface of the liquid blocking plug 321 is in sliding contact with the hole wall of the large hole 332 of the stepped hole, so that the stability and reliability of the guide post 322 for guiding the liquid blocking plug 321 to slide up and down are enhanced. The edge of the liquid blocking plug 321 is provided with a liquid leakage groove 35, and when the liquid blocking plug 321 releases the blocking of the small hole 331 of the stepped hole, atomized liquid in the first liquid storage cavity 5 can flow out from the small hole 331 of the stepped hole through the liquid leakage groove 35.

Referring to fig. 3 and fig. 7 in combination, in some embodiments, the number of the liquid leakage grooves 35 is plural, and the liquid leakage grooves 35 are distributed at intervals along the circumference of the liquid blocking plug 321, so as to enhance the stability of the atomized liquid in the first liquid storage cavity 5 for supplying the atomized core 4, and avoid dry burning carbonization of the atomized core 4 due to insufficient liquid supply. Further, in order to further enhance the uniform stability of the atomized liquid supply atomizing core 4 of the first liquid storage chamber 5, the interval between the adjacent two liquid leakage grooves 35 is equal.

Referring to fig. 3, 4 and 6 in combination, in some embodiments, the switching valve assembly 3 further includes a limiting member 34 for limiting the liquid blocking plug 321 in the large hole 332 of the stepped hole, the limiting member 34 is provided with a limiting hole 36, and an end of the guiding column 322 facing away from the liquid blocking plug 321 is movably disposed in the limiting hole 36 along an axial direction. Under the limiting action of the limiting piece 34, the liquid blocking plug 321 is prevented from being separated from the large hole 332 of the stepped hole to cause the failure of the switching valve assembly 3, so that the stability and reliability of opening or closing the valve hole 33 of the switching valve assembly 3 are enhanced. Because the one end that the guide post 322 deviates from the liquid blocking plug 321 can be movably arranged in the limiting hole 36 along the axial direction, the stability of the guide post 322 for guiding the liquid blocking plug 321 to move up and down is improved, and the failure of the switch valve assembly 3 caused by the blocking of the liquid blocking plug 321 in the up and down moving process is effectively avoided, so that the stable reliability of opening or closing the valve hole 33 of the switch valve assembly 3 is enhanced. It is understood that the stopper 34 may be, but is not limited to, a rubber or silicone member having good sealing properties.

Referring to fig. 1 and 2 in combination, in some embodiments, the base assembly 2 includes a bottom shell 21 and an atomization tube 22 disposed in the bottom shell 21, an open joint 8 is formed at an upper portion of the bottom shell 21, a second liquid storage cavity 7 is defined at a portion of the bottom shell 21 outside the atomization tube 22, the atomization core 4 is disposed in the atomization tube 22, and an infusion hole 24 for delivering the atomized liquid in the second liquid storage cavity 7 to the atomization core 4 is disposed on the atomization tube 22. Before the atomizer starts, base subassembly 2 and stock solution subassembly 1 separable place, and switching valve subassembly 3 close the feed mouth of stock solution subassembly 1, and the atomized liquid in first stock solution chamber 5 can't flow into second stock solution chamber 7 via feed mouth, interface 8, can play the effect of liquid core separation to atomizing core 4 in the atomizing pipe 22, avoid atomizing core 4 and atomized liquid long-term contact and take place to go bad to effectively prolong the depositing time of atomized liquid. When the atomizer works, the connecting port 8 is connected with the liquid supply port of the liquid storage component 1, the liquid supply port is opened by the switching valve component 3, atomized liquid in the first liquid storage cavity 5 can flow into the second liquid storage cavity 7 through the liquid supply port and the connecting port 8, the atomized liquid in the second liquid storage cavity 7 is transmitted to the atomization core 4 through the infusion hole 24, the atomized liquid is atomized by the atomization core 4 to form aerosol, and the aerosol formed by atomization is released into the atomization tube 22. In addition, the inner bottom surface of the second liquid storage cavity 7 is the concave surface 26 which is concave inwards, and the lowest position of the atomizing pipe 22, which is close to the concave surface 26, is provided with the transfusion hole 24, so that atomized liquid in the second liquid storage cavity 7 can be completely transmitted to the atomizing core 4 through the transfusion hole 24 under the action of self gravity, and the residual quantity of the atomized liquid in the second liquid storage cavity 7 is reduced.

Referring to fig. 1, 2 and 8, in some embodiments, the base assembly 2 further includes a sealing member 23 disposed on the opening between the bottom shell 21 and the atomizing tube 22, and the sealing member 23 seals the opening between the bottom shell 21 and the atomizing tube 22 to enhance the sealing performance of the second liquid storage chamber 7. It will be appreciated that the liquid seal 23 may be, but is not limited to, a silicone or rubber member having good sealing properties. Be equipped with the linking mouth 8 that is used for linking liquid feed mouth and second stock solution chamber 7 on sealing liquid spare 23, when the atomizer during operation, the mouth 8 that links up with the liquid feed mouth of stock solution subassembly 1 on sealing liquid spare 23, and the switching valve subassembly 3 opens the liquid feed mouth, the atomized liquid in first stock solution chamber 5 can flow into second stock solution chamber 7 through liquid feed mouth, mouth 8, the atomized liquid in second stock solution chamber 7 is again transmitted to atomizing core 4 through infusion hole 24, atomizing core 4 atomizes the atomized liquid and forms the aerosol, the aerosol that the atomizing formed releases into atomizing pipe 22.

Referring to fig. 1 and 2 in combination, in some embodiments, the liquid storage assembly 1 includes a liquid storage member 11 and a vent pipe 12 disposed in the liquid storage member 11, a first liquid storage chamber 5 is defined by a portion of the liquid storage member 11 outside the vent pipe 12, a suction nozzle 6 communicating with a first end of the vent pipe 12 is disposed on the liquid storage member 11, a liquid supply port is disposed at a bottom of the liquid storage member 11, and a valve body 31 of the switch valve assembly 3 is disposed in the liquid supply port. The valve body 31 is provided with a first air passage 37 communicated with the second end of the breather pipe 12, and the liquid sealing member 23 is provided with a second air passage 25 communicated with the atomizing pipe 22. When the base component 2 is in matched connection with the liquid storage component 1, the joint opening 8 on the liquid sealing piece 23 is connected with the valve hole 33 of the valve body 31, meanwhile, the first air channel 37 on the valve body 31 is connected with the second air channel 25 on the liquid sealing piece 23, a user sucks through the suction nozzle 6, external air enters the atomization tube 22 through the air inlet hole on the bottom shell 21 under the negative pressure effect formed by suction, and aerosol in the atomization tube 22 is sequentially guided to the suction nozzle 6 through the second air channel 25, the first air channel 37 and the ventilation tube 12 under the carrying effect of suction air flow and finally sucked into the mouth of the user. In addition, because the valve body 31 and the liquid sealing piece 23 are made of silica gel pieces or rubber pieces with good sealing performance, when the base component 2 is connected with the liquid storage component 1 in a matched mode, the valve body 31 is in close contact with the liquid sealing piece 23 to enhance sealing performance, and liquid leakage and air leakage are effectively prevented.

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 embodiments described above, it has the same technical effects as the atomizer described above.

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

Claims (10)

1. An atomizer, comprising:

the liquid storage assembly is internally provided with a first liquid storage cavity for storing atomized liquid, and a liquid supply port for the atomized liquid to flow out is arranged on the liquid storage assembly;

the base component is used for being connected with the liquid storage component in a matched mode;

the atomizing core is arranged on the base component; and

the switch valve assembly is used for opening or closing the liquid supply port and is arranged on the liquid storage assembly at a position corresponding to the liquid supply port;

when the base component is connected to the liquid storage component in a matching way, the switch valve component opens the liquid supply port so that atomized liquid in the first liquid storage cavity can be transmitted to the atomization core through the liquid supply port; when the base component is separated from the liquid storage component, the switch valve component closes the liquid supply port.

2. The atomizer of claim 1 wherein said on-off valve assembly comprises a valve body and a piston body, said valve body being disposed in said liquid supply port, said valve body having a valve opening therein, said piston body being movably disposed in said valve opening; when the base assembly is separated from the liquid storage assembly, the piston body is positioned at a first position for closing the valve hole; when the base assembly is matingly connected to the liquid storage assembly, the base assembly actuates the piston body to move the piston body to a second position that opens the valve bore.

3. The atomizer of claim 2 wherein said base assembly is provided with an actuator for actuating said piston body from said first position to said second position.

4. A nebulizer as claimed in claim 3, wherein the actuating member is a post provided on the base member; or, the actuating piece is an ejector spring arranged on the base assembly; or, the actuating piece is a supporting protrusion arranged on the base assembly; alternatively, the actuating member is a top sheet provided on the base assembly.

5. The atomizer of claim 2 wherein said valve bore is a stepped bore having a small bore at the bottom and a large bore at the top, said piston body being axially movably disposed in said large bore of said stepped bore; when the piston body is positioned at the first position, the bottom end of the piston body can block the small hole of the stepped hole; when the piston body moves to the second position, the bottom end of the piston body can be used for removing the blocking of the small hole of the stepped hole.

6. The atomizer of claim 5 wherein said piston body comprises a stopper axially movably disposed in said stepped bore and a guide post connected to said stopper, said stopper having a drain groove at an edge thereof.

7. The atomizer of claim 6 wherein said plurality of fluid leaks are provided in a plurality, said plurality of fluid leaks being circumferentially spaced about said stopper.

8. The atomizer of claim 6 wherein said on-off valve assembly further comprises a stop for limiting said liquid barrier in a large aperture of said stepped aperture, said stop having a stop aperture, said guide post being axially movably disposed in said stop aperture at an end thereof facing away from said liquid barrier.

9. The atomizer of any one of claims 1 to 8, wherein said base assembly comprises a bottom shell and an atomization tube disposed in said bottom shell, a second liquid storage cavity is defined in a portion of said bottom shell outside said atomization tube, said atomization core is disposed in said atomization tube, an infusion hole for delivering atomized liquid in said second liquid storage cavity to said atomization core is disposed on said atomization tube, an inner bottom surface of said second liquid storage cavity is a concave surface recessed inward, and said infusion hole is disposed on said atomization tube at a lowest position adjacent to said concave surface.

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