CN216701644U - Atomizer and aerosol generating device - Google Patents

Abstract

The utility model provides an atomizer and an aerosol generating device. In the atomizer structure, accept movable sleeve pipe along axial displacement ground inside stock solution spare to make movable sleeve pipe keep apart between stock solution chamber and atomizing chamber, alright carry out the selectivity to the stock solution chamber through moving movable sleeve pipe and open or close, thereby control the isolation or the intercommunication in stock solution chamber and atomizing chamber, reach the purpose that realizes liquid core separation repeatedly operable and usable. And, be equipped with the limited structure that is used for radially injecing the movable sleeve pipe along the movable sleeve pipe on the mounting, can effectively prevent that the movable sleeve pipe from producing radial deviation or swing at the in-process that removes, strengthened the stability that the liquid storage chamber operation was opened or closed selectively to make liquid core separator assembly can remain stable in the operation control process of opening or closing the liquid storage chamber, avoid resulting in parts such as heater to take place to become flexible or damage.

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

The aerosol generating device generally includes an atomizer and a power supply device electrically connected to the atomizer, and the atomizer is capable of heating and atomizing an aerosol-forming substrate stored in the atomizer under an electrically driven action of the power supply device, so as to enable a user to inhale and achieve a simulated smoking effect. In the atomizer structure, generally, liquid storage cavity and atomizing cavity in the atomizer are kept apart through liquid core separator assembly, prevent that long-term flooding of aerosol formation substrate from polluting the device that generates heat in the atomizing cavity.

At present, can realize the liquid core separable set that the stock solution chamber was opened or closed repeatedly in the atomizer structure, there is the defect that the structure is complicated, poor stability generally, this operation control process that just causes to open or close the stock solution chamber can't remain stable, causes the influence to atomizer inner structure's steadiness easily, and then leads to parts such as heater to take place not hard up or damage, reduces the life of atomizer.

SUMMERY OF THE UTILITY MODEL

Based on the above problems in the prior art, an object of an embodiment of the present invention is to provide an atomizer, so as to solve the technical problems in the prior art that the liquid core separation assembly has a complex structure and poor stability, so that the operation control process of opening or closing the liquid storage chamber cannot be kept stable, and the stability of the internal structure of the atomizer is easily affected.

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

the aerosol-forming device comprises a liquid storage part, a smoke absorption port and a smoke absorption pipe, wherein a liquid storage cavity for storing aerosol-forming substrates and an atomization cavity for atomizing the aerosol-forming substrates to form smoke are arranged in the liquid storage part;

an atomising wick disposed in the atomising chamber for atomising the aerosol-forming substrate provided by the reservoir chamber; and

the liquid core separation assembly comprises a fixing part fixed in the liquid storage part and a movable sleeve accommodated in the liquid storage part in an axially movable manner, the first end of the movable sleeve is arranged at the position of the smoke suction opening in a sliding manner, and the rest part of the movable sleeve is arranged between the liquid storage cavity and the atomization cavity in a spaced manner, so that when the movable sleeve is moved axially, the liquid storage cavity and the atomization cavity can be selectively isolated or communicated through the movable sleeve;

the fixed piece is provided with a limiting structure used for limiting the movable sleeve along the radial direction of the movable sleeve so as to prevent the movable sleeve from radially shifting or swinging when the movable sleeve is moved.

Further, the limiting structure is a limiting groove concavely arranged on the fixed piece, and the second end of the movable sleeve is arranged in the limiting groove in an axial direction of the movable sleeve in a sliding manner; or, the limiting structure is a limiting part convexly arranged on the fixing part, and the second end of the movable sleeve is in sliding contact with the limiting part, so that when the movable sleeve is axially moved, the movable sleeve can be abutted against by the limiting part along the radial direction of the movable sleeve.

Further, liquid core separator assembly still including accept in the intraductal fixed sleeve of movable sleeve, stock solution spare inside in movable sleeve reaches the part outside the mounting defines out the stock solution chamber, fixed sleeve's inside is formed with the atomizing chamber, the intercommunication has been seted up on the fixed sleeve's the lateral wall the first feed liquor hole in atomizing chamber, be equipped with on the movable sleeve be used for selectively with first feed liquor hole intercommunication or staggered second feed liquor hole, with will when movable sleeve removes to the first position, second feed liquor hole with first feed liquor hole staggers and closes the stock solution chamber, and will when movable sleeve removes to the second position, second feed liquor hole with first feed liquor hole intercommunication and open the stock solution chamber.

Further, the fixing piece is a silica gel piece, the limiting structure is a limiting groove concavely arranged on the silica gel piece, and the second end of the movable sleeve is axially and slidably arranged in the limiting groove along the second end of the movable sleeve; when the movable sleeve moves to the first position, the second liquid inlet hole is positioned in the limiting groove so as to be plugged by the silica gel piece; when the movable sleeve moves to the second position, the second liquid inlet hole is exposed out of the limiting groove so as to remove the blocking effect of the silica gel piece on the second liquid inlet hole.

Furthermore, the movable sleeve comprises a vent pipe and an isolation sleeve connected with the vent pipe, one end of the vent pipe, which is far away from the isolation sleeve, is arranged at the smoke suction port in a sliding manner, the vent pipe is communicated with the smoke suction port, the second liquid inlet hole is formed in the side wall of the isolation sleeve, and at least part of the isolation sleeve can be inserted into the limiting groove in a sliding manner along the axial direction of the isolation sleeve.

Further, the fixed sleeve includes that first end wears to locate atomizing pipe on the mounting and with the connecting pipe that the second end of atomizing pipe links to each other, atomizing pipe accept in the isolation cover, the atomizing chamber by the inner space of atomizing pipe forms, first feed liquor hole set up in on the lateral wall of atomizing pipe, the connecting pipe slip cartridge in the breather pipe, just the connecting pipe intercommunication the atomizing chamber with the breather pipe.

Further, a gap is formed between the inner side wall of the isolation sleeve and the outer side wall of the atomization pipe, so that a liquid storage space is formed between the isolation sleeve and the atomization pipe.

Further, the liquid core separation assembly further comprises a suction nozzle used for driving the movable sleeve to move, the suction nozzle is movably mounted at the top of the liquid storage part, and the suction nozzle is provided with the smoking port.

Furthermore, a guide tube for positioning and guiding the movable sleeve to move axially is further arranged in the liquid storage part, and the first end of the movable sleeve is inserted into the guide tube in a sliding manner.

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

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:

in the atomizer and the aerosol generating device in the embodiment of the utility model, in the atomizer structure, the movable sleeve is accommodated in the liquid storage part in an axially movable manner, and is arranged between the liquid storage cavity and the atomizing cavity in a spaced manner, so that the liquid storage cavity can be selectively opened or closed by axially moving the movable sleeve, and the liquid storage cavity and the atomizing cavity are controlled to be freely switched between two isolated or communicated states, thereby achieving the purpose of realizing liquid core separation and repeated operation and use. And, be equipped with the limited structure that is used for radially injecing the movable sleeve pipe along the movable sleeve pipe on the mounting, can prevent effectively that the movable sleeve pipe from producing radial deviation or swing at the in-process that removes, having strengthened the stability of axial displacement movable sleeve pipe to make liquid core separator assembly can remain stable in the operation control process of opening or closing the stock solution chamber, avoid causing harmful effects to the steadiness of atomizer inner structure and lead to parts such as heater not hard up or damage.

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 bottom view of the atomizer shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view of the atomizer shown in FIG. 1;

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

FIG. 5 is a schematic view of a portion A of FIG. 4;

FIG. 6 is a schematic structural diagram of a nozzle provided in an embodiment of the present invention;

fig. 7 is an exploded view of the atomizer shown in fig. 1.

Wherein, in the figures, the respective reference numerals:

1-liquid storage part; 11-a housing; 12-a base; 13-an air intake;

2-atomizing core;

3-a liquid core separation module; 31-a fixing member; 311-defining a slot; 32-an active cannula; 321-a breather pipe; 322-an isolation sleeve; 323-a second liquid inlet hole; 324-a first step surface; 33-a fixed sleeve; 331-an atomizing tube; 332-connecting tube; 333-a first liquid inlet hole; 334-sealing grooves;

4-sealing ring;

5, a suction nozzle; 51-a nozzle body; 52-a guide tube; 53-a plug tube; 54-a smoking port; 55-a second step surface; 56-an annular catch;

6-a guide tube; 7-a stop; 8-a liquid storage cavity; 9-an atomizing cavity; 10-reservoir space.

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 6 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, and the aerosol generating device provided by the embodiment of the utility model comprises the atomizer and a power supply device electrically connected with the atomizer. When the device is used, the power supply device is used for providing electric energy for the atomizer, and the atomizer heats and atomizes the aerosol forming substrate stored in the atomizer under the action of electric drive so as to be sucked by a user to achieve the effect of simulating smoking.

Referring to fig. 1, 3 and 4, an atomizer according to an embodiment of the present invention includes a liquid storage member 1, an atomizing core 2 and a liquid-core separating assembly 3, wherein a liquid storage chamber 8 for storing an aerosol-forming substrate and an atomizing chamber 9 for atomizing the aerosol-forming substrate to form an aerosol are disposed inside the liquid storage member 1, a smoking opening 54 is disposed at a top of the liquid storage member 1, and the atomizing chamber 9 is communicated with the smoking opening 54, so that the aerosol formed in the atomizing chamber 9 can be sucked into a user's mouth through the smoking opening 54. In some embodiments, the liquid storage member 1 comprises a cylindrical shell 11 and a base 12 which is arranged in the bottom opening of the shell 11, and the top of the shell 11 is provided with a smoking port 54 for the user to smoke. Atomizing core 2 sets up in atomizing chamber 9, and atomizing core 2 can atomize the aerosol formation substrate that is provided by stock solution chamber 8 for form the smog that can supply the user to inhale in atomizing chamber 9. Referring to fig. 2, the base 12 is provided with an air inlet 13 for introducing external air into the atomizing chamber 9, so that when a user sucks, the external air flows into the atomizing chamber 9 through the air inlet 13 on the base 12, mixes with the smoke in the atomizing chamber 9, and reaches the mouth of the user through the smoke suction port 54, so that the user can achieve the effect of simulating smoking. It is understood that the atomizing core 2 can be, but is not limited to, a ceramic atomizing member having liquid-absorbing capability or an atomizing member in which a heating wire is wrapped with liquid-absorbing cotton.

Referring to fig. 3, 4 and 7, the liquid core separation assembly 3 includes a fixed member 31 and a movable sleeve 32, the fixed member 31 is located inside the casing 11 of the liquid storage member 1, the fixed member 31 is supported and fixed on the base 12, the movable sleeve 32 is axially movably accommodated inside the casing 11 of the liquid storage member 1, a first end of the movable sleeve 32 is slidably disposed at the smoke suction port 54, and the rest of the movable sleeve 32 is spaced between the liquid storage chamber 8 and the atomization chamber 9. It should be noted that the remaining portion of the movable sleeve 32 refers to the portion of the movable sleeve 32 other than the portion slidably disposed at the smoking port 54, which includes the second end of the movable sleeve 32 facing away from the smoking port 54. The smoking opening 54 is defined as an attachment of the smoking opening 54 or the inside of the smoking opening 54. That is, the first end of the movable sleeve 32 may be located at a height that is higher than the smoking opening 54 or lower than the smoking opening 54, and the first end of the movable sleeve 32 may also be located in the smoking opening 54. Thus, when movable sleeve 32 is moved axially, reservoir 8 may be selectively opened or closed via movable sleeve 32, such that reservoir 8 and nebulization chamber 9 may be freely switched between two states, isolated or connected. In order to prevent the movable sleeve 32 from radially shifting or swinging during the axial movement to affect the stability of the internal structure of the atomizer, the fixing member 31 is provided with a limiting structure for limiting the movable sleeve 32 in the radial direction of the movable sleeve 32, that is, the movable sleeve 32 can be limited in the radial direction of the movable sleeve 32 by the limiting structure, so that the movable sleeve 32 can be effectively prevented from radially shifting or swinging during the axial movement of the movable sleeve 32. It should be noted that the stability of the internal structure of the atomizer includes, but is not limited to, the stability of the heating wire of the atomizing core 2 or the ceramic atomizing member.

Compared with the prior art, the atomizer provided by the embodiment of the utility model has the advantages that the movable sleeve 32 can be axially movably accommodated in the liquid storage part 1, and the movable sleeve 32 is arranged between the liquid storage cavity 8 and the atomization cavity 9 in a spaced manner, so that the liquid storage cavity 8 can be selectively opened or closed by moving the movable sleeve 32, and the liquid storage cavity 8 and the atomization cavity 9 can be freely switched between two isolated or communicated states, and the aim of realizing repeated operation of liquid core separation is fulfilled. And, be equipped with on mounting 31 and be used for following the radial limited structure of mobile sleeve 32, can prevent effectively that mobile sleeve 32 from producing radial skew or swing at the in-process that removes, strengthened the stability that mobile sleeve 32 selectively opened or closed stock solution chamber 8 operation to make liquid core separator assembly can keep stable in the operation control process of opening or closing the stock solution chamber, avoid causing the harmful effects to the steadiness of atomizer inner structure and lead to parts such as heater to become flexible or damage.

Referring to fig. 3 and 4 in combination, in some embodiments, the limiting structure is a limiting groove 311 recessed on the fixed member 31, and the second end of the movable sleeve 32 is slidably disposed in the limiting groove 311 along the axial direction thereof, so as to limit the movable sleeve 32 along the radial direction of the movable sleeve 32 through the limiting groove 311, prevent the movable sleeve 32 from radially shifting or swinging during the moving process, and enhance the stability of the movable sleeve 32 in the axial direction. It should be noted that in other embodiments, the limiting groove may be a circular groove or an annular groove concavely formed on the fixing member 31, or an annular groove formed by a concave portion between two annular protrusions convexly formed on the fixing member 31 and spaced apart from each other. It is understood that, in other embodiments, the limiting structure may also be a limiting member protruding from the fixed member 31, and the second end of the movable sleeve 32 is in sliding contact with the limiting member, so as to limit the movable sleeve 32 along the radial direction of the movable sleeve 32 through the limiting member, prevent the movable sleeve 32 from radially shifting or swinging during the movement, and enhance the stability of the movable sleeve 32 in the axial movement. The limiting part can be but is not limited to a limiting ring, a limiting sleeve, a limiting block, a limiting rod or an arc limiting plate, and when the limiting part is the limiting block, the limiting rod or the arc limiting plate, the number of the limiting parts can be reasonably set according to actual use requirements.

Referring to fig. 3, fig. 4 and fig. 7, in some embodiments, the liquid core separation assembly 3 includes a fixed member 31, a movable sleeve 32 and a fixed sleeve 33 accommodated in the movable sleeve 32, a liquid storage chamber 8 is defined by a portion of the liquid storage member 1 inside the movable sleeve 32 and outside the fixed member 31, an atomization chamber 9 is formed inside the fixed sleeve 33, a first liquid inlet hole 333 communicated with the atomization chamber 9 is formed on a side wall of the fixed sleeve 33, and a second liquid inlet hole 323 selectively communicated or staggered with the first liquid inlet hole 333 is formed on the movable sleeve 32. Thus, when the movable sleeve 32 is moved to the first position, the second liquid inlet hole 323 is staggered with the first liquid inlet hole 333, so that the liquid storage cavity 8 is in a closed state, the liquid storage cavity 8 is isolated from the atomization cavity 9, the liquid core separation is realized, and liquid leakage can be prevented. When the movable sleeve 32 is moved to the second position, the second liquid inlet hole 323 is communicated with the first liquid inlet hole 333, so that the liquid storage cavity 8 is in an open state, the liquid storage cavity 8 is communicated with the atomizing cavity 9, and heat generated after the atomizing core 2 in the atomizing cavity 9 is electrified can heat and atomize aerosol-forming substrates provided by the liquid storage cavity 8. The smoke generated in the atomizing chamber 9 can be mixed with the air introduced through the air inlet 13 and then drawn into the user's mouth through the smoking port 54.

Referring to fig. 3 and 7, in some embodiments, the fixing member 31 is a silicone member, and the limiting structure is a limiting groove 311 recessed in the silicone member, and the second end of the movable sleeve 32 is slidably disposed in the limiting groove 311 along the axial direction thereof. Thus, because the fixing member 31 is a silica gel member made of a silica gel material, when the movable sleeve 32 moves to the first position, the second liquid inlet hole 323 in the limiting groove 311 is blocked by the silica gel member, so that the aerosol-forming substrate in the liquid storage cavity 8 cannot flow into the atomizing cavity 9 through the second liquid inlet hole 323, and the liquid-core separation is realized while the sealing performance for preventing liquid leakage is improved. When the movable sleeve 32 moves to the second position, the second liquid inlet hole 323 is exposed out of the limiting groove 311, so that the blocking effect of the silica gel piece on the second liquid inlet hole 323 can be removed, the liquid storage cavity 8 is opened, and the liquid storage cavity 8 is communicated with the atomization cavity 9. Therefore, the repeated operation and use of liquid core separation can be conveniently realized. It should be noted that, the fixing member 31 may be, but is not limited to, a silicone member, and the fixing member 31 may also be a rubber member, a metal member, or a plastic member.

Referring to fig. 3, 4 and 7, in some embodiments, the movable sleeve 32 includes a ventilation pipe 321 and an isolation sleeve 322 connected to the ventilation pipe 321, an end of the ventilation pipe 321 away from the isolation sleeve 322 is slidably disposed at the smoking port 54, the ventilation pipe 321 is communicated with the smoking port 54, the second liquid inlet hole 323 is opened on a side wall of the isolation sleeve 322, and the isolation sleeve 322 is at least partially slidably inserted into the limiting groove 311 along an axial direction thereof. Through adopting above-mentioned structure setting, be favorable to strengthening movable sleeve 32 axial displacement's stability, avoid movable sleeve 32's isolation sleeve 322 to produce radial deviation or swing and cause the influence to atomizer inner structure's stability at the in-process that removes, if cause the heater or the pottery atomizing piece of atomizing core 2 not hard up or drop etc..

Referring to fig. 3, 4 and 7, in some embodiments, the fixing sleeve 33 includes an atomizing tube 331 having a first end penetrating the fixing member 31 and a connecting tube 332 connected to a second end of the atomizing tube 331, the atomizing tube 331 is received in the isolating sleeve 322, the atomizing chamber 9 is formed by an inner space of the atomizing tube 331, the first liquid inlet hole 333 is opened on a side wall of the atomizing tube 331, the connecting tube 332 is slidably inserted into the vent tube 321, and the connecting tube 332 is communicated between the atomizing chamber 9 and the vent tube 321. By adopting the above-described structural arrangement, it is further facilitated to enhance the stability of the axial movement of the movable sleeve 32. Referring to fig. 3 and 4, in other embodiments, the inner diameter of the vent pipe 321 is smaller than the inner diameter of the isolation sleeve 322, so as to form a first step surface 324 at the connection position of the vent pipe 321 and the isolation sleeve 322 for matching and abutting against the top end of the atomization pipe 331. When the movable sleeve 32 is pushed downward, the top end of the atomizing tube 331 abuts on the first step surface 324, and the moving stroke of the movable sleeve 32 moving downward in the axial direction is limited. In order to enhance the air tightness of the sliding connection between the connecting pipe 332 and the vent pipe 321, a sealing groove 334 is concavely arranged on the outer side wall of the connecting pipe 332, and a sealing ring 4 is installed in the sealing groove 334. Referring to fig. 4, in other embodiments, a gap is formed between the inner sidewall of the isolation sleeve 322 and the outer sidewall of the atomizing tube 331, so that on one hand, the isolation sleeve 322 and the atomizing tube 331 are prevented from directly contacting to increase friction, and on the other hand, the buffer aerosol-forming substrate liquid storage space 10 is formed between the isolation sleeve 322 and the atomizing tube 331.

Referring to fig. 3, 4 and 7, in some embodiments, the liquid core separation assembly 3 further includes a suction nozzle 5 for moving the movable sleeve 32, the suction nozzle 5 is movably mounted on the top of the liquid storage component 1, and the suction nozzle 5 has a smoke suction port 54 communicating with the air pipe 321. In some embodiments, the mouthpiece 5 is removably connected to the end of the vent tube 321 remote from the isolation sleeve 322 by a snap-fit arrangement. Specifically, referring to fig. 3, 5 and 6, the suction nozzle 5 includes a suction nozzle body 51, a guide tube 52 slidably mounted in the guide tube 6 of the liquid storage member 1, and a plug tube 53 inserted into the vent tube 321, wherein the guide tube 52 is connected between the suction nozzle body 51 and the plug tube 53. Referring to fig. 5 and 6, the outer diameter of the insertion tube 53 is smaller than the outer diameter of the guide tube 52, so as to form a second step surface 55 at the connection position of the guide tube 52 and the insertion tube 53 for matching and abutting against the corresponding end of the vent pipe 321. In order to enhance the structural stability, the nozzle body 51, the guide tube 52 and the insertion tube 53 are integrally formed. In addition, the plug pipe 53 is convexly provided with an annular clamping part 56, the inner side wall of the vent pipe 321 is concavely provided with an annular clamping groove (not shown) for the annular clamping part 56 to be clamped into, and the suction nozzle 5 is effectively prevented from falling off and separating from the vent pipe 321 through clamping and matching of the annular clamping part 56 and the annular clamping groove. It should be noted that the suction nozzle 5 can also be detachably connected to the end of the vent pipe 321 away from the isolation sleeve 322 by a screw structure.

Referring to fig. 3 and 4, in some embodiments, in order to further enhance the stability of the movable sleeve 32 moving towards the smoking port 54 and prevent the movable sleeve 32 from radially shifting or swinging during the moving process, a guide tube 6 for positioning and guiding the movable sleeve 32 to move towards the smoking port 54 is further disposed inside the liquid storage member 1, and the first end of the movable sleeve 32 is slidably inserted into the guide tube 6. It will be appreciated that when the movable sleeve 32 comprises the vent pipe 321 and the isolation sleeve 322, the guide tube 6 is integrally formed with the housing 11 of the reservoir 1, the vent pipe 321 is slidably inserted into the guide tube 6 from a port at a first end of the guide tube 6, a second end of the guide tube 6 extends to the outside of the housing 11 of the reservoir 1, and the suction nozzle 5 is axially slidably mounted in a port at a second end of the guide tube 6 through the guide tube 52 thereof. Referring further to fig. 4 and 7, in some embodiments, the vent pipe 321 further has a stopper 7 for stopping the first end of the guide tube 6 to limit the moving stroke of the movable sleeve 32 moving axially upward. When the movable sleeve 32 is pulled upwards, the first end of the guide tube 6 and the stopping part 7 are abutted with each other, so that the moving stroke of the movable sleeve 32 moving upwards in the axial direction is limited. It is understood that the stop portion 7 may be, but is not limited to, a stop ring protruding on the outer sidewall of the vent pipe 321.

The embodiment of the utility model also provides an aerosol generating device which comprises the atomizer provided by any one of the embodiments. 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 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 (10)

1. An atomizer, comprising:

the aerosol-forming device comprises a liquid storage part, a smoke absorption part and a smoke collection part, wherein a liquid storage cavity for storing aerosol-forming substrates and an atomization cavity for atomizing the aerosol-forming substrates to form smoke are arranged in the liquid storage part;

an atomising wick disposed in the atomising chamber for atomising the aerosol-forming substrate provided by the reservoir chamber; and

the liquid core separation assembly comprises a fixing part fixed in the liquid storage part and a movable sleeve accommodated in the liquid storage part in an axially movable manner, the first end of the movable sleeve is arranged at the position of the smoke suction opening in a sliding manner, and the rest part of the movable sleeve is arranged between the liquid storage cavity and the atomization cavity in a spaced manner, so that when the movable sleeve is moved axially, the liquid storage cavity and the atomization cavity can be selectively isolated or communicated through the movable sleeve;

the fixing piece is provided with a limiting structure used for limiting the movable sleeve along the radial direction of the movable sleeve so as to prevent the movable sleeve from generating radial deviation or swinging when the movable sleeve is moved.

2. The atomizer according to claim 1, wherein said defining structure is a defining groove concavely provided on said stationary member, said second end of said movable sleeve being slidably disposed in said defining groove in an axial direction thereof; or, the limiting structure is a limiting part convexly arranged on the fixing part, and the second end of the movable sleeve is in sliding contact with the limiting part, so that when the movable sleeve is axially moved, the movable sleeve can be abutted against by the limiting part along the radial direction of the movable sleeve.

3. The atomizer according to claim 1, wherein the liquid core separating assembly further comprises a fixed sleeve housed in the movable sleeve, the liquid storage cavity is defined by a portion of the liquid storage member outside the movable sleeve and the fixing member, the atomizing cavity is formed inside the fixed sleeve, a first liquid inlet hole communicated with the atomizing cavity is formed in a side wall of the fixed sleeve, and a second liquid inlet hole selectively communicated or staggered with the first liquid inlet hole is formed in the movable sleeve, so that when the movable sleeve is moved to the first position, the second liquid inlet hole is staggered with the first liquid inlet hole to close the liquid storage cavity, and when the movable sleeve is moved to the second position, the second liquid inlet hole is communicated with the first liquid inlet hole to open the liquid storage cavity.

4. The atomizer of claim 3, wherein said securing member is a silicone member, said defining structure is a defining groove recessed in said silicone member, and said second end of said movable sleeve is axially slidably disposed in said defining groove; when the movable sleeve moves to the first position, the second liquid inlet hole is positioned in the limiting groove so as to be plugged by the silica gel piece; when the movable sleeve moves to the second position, the second liquid inlet hole is exposed out of the limiting groove so as to remove the blocking effect of the silica gel piece on the second liquid inlet hole.

5. The atomizer according to claim 4, wherein said movable sleeve comprises a vent pipe and a spacer sleeve connected to said vent pipe, wherein an end of said vent pipe remote from said spacer sleeve is slidably disposed at said smoking opening, said vent pipe is communicated with said smoking opening, said second liquid inlet hole is opened on a side wall of said spacer sleeve, and said spacer sleeve is at least partially slidably inserted in said defining groove along an axial direction thereof.

6. The atomizer according to claim 5, wherein said retaining collar includes an atomizing tube having a first end passing through said retaining member and a connecting tube connected to a second end of said atomizing tube, said atomizing tube being received in said spacer collar, said atomizing chamber being defined by an interior space of said atomizing tube, said first liquid inlet being formed in a sidewall of said atomizing tube, said connecting tube being slidably inserted into said vent tube, and said connecting tube communicating said atomizing chamber with said vent tube.

7. The atomizer of claim 6, wherein a gap is provided between an inner sidewall of said spacer sleeve and an outer sidewall of said atomizing tube such that a liquid storage space is formed between said spacer sleeve and said atomizing tube.

8. The atomizer according to claim 1, wherein said wick separator assembly further comprises a suction nozzle for moving said movable sleeve, said suction nozzle being movably mounted on top of said liquid reservoir, said suction nozzle having said smoking opening.

9. A nebulizer as claimed in any one of claims 1 to 8, wherein the reservoir further comprises a guide tube located within the reservoir and adapted to guide the movable sleeve axially, the first end of the movable sleeve being slidably received within the guide tube.

10. An aerosol generating device comprising an atomiser as claimed in any one of claims 1 to 9.

Images