CN116406830A - Atomizer and aerosol generating device - Google Patents

Abstract

The invention provides an atomizer and an aerosol generating device. In the atomizer structure, the movable sleeve can be axially movably accommodated in the liquid storage part, and the movable sleeve is isolated between the liquid storage cavity and the atomizing cavity, so that the liquid storage cavity can be selectively opened or closed by moving the movable sleeve, the isolation or communication between the liquid storage cavity and the atomizing cavity is controlled, and the purpose of realizing the repeated operation and use of liquid core separation is achieved. And the limiting structure for limiting the movable sleeve along the radial direction of the movable sleeve is arranged on the fixing piece, so that the movable sleeve can be effectively prevented from generating radial deviation or swing in the moving process, the stability of the operation of selectively opening or closing the liquid storage cavity by the movable sleeve is enhanced, and therefore, the liquid core separating assembly can be kept stable in the operation control process of opening or closing the liquid storage cavity, and the heating wire and other parts are prevented from loosening or damaging.

Description

Atomizer and aerosol generating device

Technical Field

The invention 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 comprises an atomizer and a power supply device electrically connected with the atomizer, and the atomizer can heat and atomize aerosol forming matrixes stored in the atomizer under the electric driving action of the power supply device so as to be sucked by a user to achieve the effect of simulating smoking. In the atomizer structure, a liquid storage cavity and an atomization cavity in the atomizer are generally isolated through a liquid core separation assembly, so that aerosol forming matrixes are prevented from being immersed for a long time to pollute heating devices in the atomization cavity.

At present, can realize repeatedly opening or closing the liquid core separation subassembly in the atomizer structure of stock solution chamber, generally have the defect that the structure is complicated, stability is poor, this just causes to open or close the operation control process in stock solution chamber and can't keep stable, leads to the fact 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 atomizer's life.

Disclosure of Invention

Based on the above-mentioned problems existing in the prior art, one of the purposes of the embodiments of the present invention is to provide an atomizer, so as to solve the technical problems that in the prior art, a liquid core separation component is complex in structure and poor in stability, so that an operation control process of opening or closing a liquid storage cavity cannot be kept stable, and the stability of the internal structure of the atomizer is easily affected.

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

the liquid storage part is internally provided with a liquid storage cavity for storing aerosol forming matrixes and an atomization cavity for atomizing the aerosol forming matrixes to form smog, the liquid storage part is provided with a smoking port, and the atomization cavity is communicated with the smoking port;

the atomizing core is arranged in the atomizing cavity and used for atomizing aerosol forming matrixes provided by the liquid storage cavity; and

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

wherein, the fixed part is provided with a limiting structure for limiting the movable sleeve along the radial direction of the movable sleeve so as to prevent the movable sleeve from generating radial deflection or swinging when moving the movable sleeve.

Further, the limiting structure is a limiting groove concavely arranged on the fixed piece, and the second end of the movable sleeve is slidably arranged in the limiting groove along the axial direction of the second end of the movable sleeve; or, the limiting structure is a limiting piece protruding on the fixing piece, and the second end of the movable sleeve is in sliding contact with the limiting piece, so that the movable sleeve can be propped against the limiting piece along the radial direction of the movable sleeve when the movable sleeve moves axially.

Further, the liquid core separation assembly further comprises a fixed sleeve accommodated in the movable sleeve, the liquid storage cavity is defined by the liquid storage part inside the movable sleeve and the part outside the fixed part, the atomization cavity is formed in the fixed sleeve, a first liquid inlet hole communicated with the atomization cavity is formed in the side wall of the fixed sleeve, a second liquid inlet hole communicated with or staggered with the first liquid inlet hole is formed in the movable sleeve, when the movable sleeve is moved to a 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 a second position, the second liquid inlet hole is communicated with the first liquid inlet hole to open the liquid storage cavity.

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 arranged in the limiting groove in a sliding manner along the axial direction of the second end of the movable sleeve; when the movable sleeve moves to the first position, the second liquid inlet is positioned in the limiting groove so as to be blocked by the silica gel piece; when the movable sleeve moves to the second position, the second liquid inlet is exposed out of the limiting groove so as to relieve the blocking effect of the silica gel piece on the second liquid inlet.

Further, the movable sleeve comprises a vent pipe and an isolation sleeve connected with the vent pipe, one end, far away from the isolation sleeve, of the vent pipe is slidably arranged at the smoking opening, the vent pipe is communicated with the smoking opening, the second liquid inlet is formed in the side wall of the isolation sleeve, and at least part of the isolation sleeve can be axially slidably inserted into the limiting groove.

Further, the fixed sleeve comprises an atomization tube with a first end penetrating through the fixing piece and a connecting tube connected with a second end of the atomization tube, the atomization tube is contained in the isolation sleeve, an atomization cavity is formed by an inner space of the atomization tube, a first liquid inlet is formed in the side wall of the atomization tube, the connecting tube is slidably inserted into the vent tube, and the connecting tube is communicated with the atomization cavity and the vent tube.

Further, a gap is formed between the inner side wall of the isolation sleeve and the outer side wall of the atomizing pipe, so that a liquid storage space is formed between the isolation sleeve and the atomizing 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 arranged at the top of the liquid storage piece, and the suction nozzle is provided with the smoking opening.

Further, a guide pipe for positioning and guiding the movable sleeve to axially move is further arranged in the liquid storage part, and the first end of the movable sleeve is slidably inserted into the guide pipe.

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

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

Compared with the prior art, the one or more technical schemes in the embodiment of the invention 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 movable sleeve is contained in the liquid storage part in the axially movable manner, and the movable sleeve 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, the liquid storage cavity and the atomizing cavity are controlled to be freely switched between the two isolated or communicated states, and the purpose of realizing the separation of liquid cores and repeated operation and use is achieved. And be equipped with the limit structure that is used for limiting movable sleeve in movable sleeve's radial on the mounting, can prevent effectively that movable sleeve from producing radial offset or swing at the in-process that removes, strengthened the stability of axial displacement movable sleeve to make liquid core separation subassembly can keep stable in the operation control process of opening or closing the stock solution chamber, avoid causing harmful effects to atomizer inner structure's steadiness and lead to parts such as heater to become flexible or damage.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, 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 invention, 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 invention;

FIG. 2 is a schematic bottom view of the atomizer of FIG. 1;

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

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

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

FIG. 6 is a schematic diagram of a suction nozzle according to an embodiment of the present invention;

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

Wherein, each reference sign in the figure:

1-a liquid storage piece; 11-a housing; 12-a base; 13-an air inlet hole;

2-atomizing core;

3-a liquid core separation assembly; 31-fixing piece; 311-defining a slot; 32-a movable sleeve; 321-a breather pipe; 322-isolation sleeve; 323-second liquid inlet hole; 324—a first step surface; 33-fixing the sleeve; 331-atomizing tube; 332-connecting pipes; 333-first inlet; 334-seal groove;

4-a sealing ring;

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

6-guiding tube; 7-a stop; 8-a liquid storage cavity; 9-an atomization cavity; 10-liquid storage space.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the 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 for purposes of illustration only and are not intended to limit the scope of the invention.

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.

In the description of the present invention, 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 invention can be understood by those of ordinary skill in the art according to the specific circumstances.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.

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 invention will be described. The atomizer provided by the embodiment of the invention is suitable for an aerosol generating device, and the aerosol generating device 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 aerosol forming matrixes 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 in combination, an atomizer provided in an embodiment of the present invention includes a liquid storage member 1, an atomizing core 2 and a liquid core separating assembly 3, a liquid storage chamber 8 for storing aerosol forming substrates and an atomizing chamber 9 for atomizing aerosol forming substrates to form smoke are provided in the liquid storage member 1, a smoking opening 54 is provided at the top of the liquid storage member 1, and the atomizing chamber 9 is in communication with the smoking opening 54, so that the smoke formed in the atomizing chamber 9 can be drawn into a user's mouth through the smoking opening 54. In some of these embodiments, the reservoir 1 comprises a housing 11 having a cylindrical outline and a base 12 fitted in the bottom opening of the housing 11, the top of the housing 11 having a smoking opening 54 for a user to inhale smoke. The atomizing core 2 is arranged in the atomizing cavity 9, and the atomizing core 2 can atomize aerosol forming matrixes provided by the liquid storage cavity 8, so that smoke which can be sucked by a user is formed in the atomizing cavity 9. Referring to fig. 2, an air inlet 13 for introducing external air into the atomizing chamber 9 is formed in the base 12, so that when a user draws, the external air flows into the atomizing chamber 9 through the air inlet 13 on the base 12, and is mixed with smoke in the atomizing chamber 9, and then reaches the user's mouth through the smoking opening 54, so that the user achieves the effect of simulating smoking. It will be appreciated that the atomizing core 2 may be, but is not limited to, a ceramic atomizer with liquid absorbing capability or an atomizer with heating wires wrapped with liquid absorbing cotton.

Referring to fig. 3, 4 and 7 in combination, the liquid core separating assembly 3 includes a fixing member 31 and a movable sleeve 32, the fixing member 31 is located inside the housing 11 of the liquid storage member 1, and the fixing member 31 is supported and fixed on the base 12, the movable sleeve 32 is axially movably received inside the housing 11 of the liquid storage member 1, a first end of the movable sleeve 32 is slidably disposed at the smoking opening 54, and the rest of the movable sleeve 32 is separately disposed between the liquid storage chamber 8 and the atomizing chamber 9. It should be noted that the remaining portion of the movable sleeve 32 refers to a portion of the movable sleeve 32 except for 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 above-mentioned smoking port 54 refers to an attachment of the smoking port 54 or in the smoking port 54. That is, the first end of the movable sleeve 32 may be located at a height that is either higher than the height of the smoking port 54 or lower than the height of the smoking port 54, and the first end of the movable sleeve 32 may also be located in the smoking port 54. Thus, when the movable sleeve 32 is axially moved, the liquid storage cavity 8 can be selectively opened or closed through the movable sleeve 32, so that the liquid storage cavity 8 and the atomizing cavity 9 can be freely switched between two states of isolation or communication. In order to prevent the movable sleeve 32 from generating radial deflection or swinging in the axial movement process to influence the stability of the internal structure of the atomizer, the limiting structure for limiting the movable sleeve 32 along the radial direction of the movable sleeve 32 is arranged on the fixed member 31, namely, the limiting structure can limit the movable sleeve 32 along the radial direction of the movable sleeve 32, so that the movable sleeve 32 can be effectively prevented from generating radial deflection or swinging when the movable sleeve 32 is axially moved. 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 atomizer.

Compared with the prior art, the atomizer provided by the embodiment of the invention has the advantages that the movable sleeve 32 is axially movably contained in the liquid storage piece 1, the movable sleeve 32 is arranged between the liquid storage cavity 8 and the atomizing cavity 9 in a spaced mode, and the liquid storage cavity 8 can be selectively opened or closed by moving the movable sleeve 32, so that the liquid storage cavity 8 and the atomizing cavity 9 are controlled to be freely switched between two isolated or communicated states, and the purpose of realizing repeatable operation of liquid core separation is achieved. And, be equipped with the limit structure that is used for radially limiting movable sleeve 32 along movable sleeve 32 on mounting 31, can prevent effectively that movable sleeve 32 from producing radial skew or swing at the in-process that removes, strengthened the stability of removing movable sleeve 32 and selectively opening or closing liquid storage chamber 8 operation to make the liquid core separation subassembly can keep stable in the operation control process of opening or closing the liquid storage chamber, avoid causing harmful effects to atomizer inner structure's steadiness and leading 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 concavely formed on the fixing 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 by the limiting groove 311, prevent the movable sleeve 32 from generating radial deflection or swinging during the movement process, and enhance the stability of the axial movement of the movable sleeve 32. 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 will be appreciated that in other embodiments, the limiting structure may be a limiting member protruding from the fixing member 31, where 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 by the limiting member, prevent the movable sleeve 32 from generating radial deflection or swinging during the moving process, and enhance the stability of the axial movement of the movable sleeve 32. The limiting parts can be, but not limited to, limiting rings, limiting sleeves, limiting blocks, limiting rods or arc limiting plates, and when the limiting parts are limiting blocks, limiting rods or arc limiting plates, the setting quantity of the limiting parts can be reasonably set according to actual use requirements.

Referring to fig. 3, fig. 4 and fig. 7 in combination, in some embodiments, the liquid core separating assembly 3 includes a fixing member 31, a movable sleeve 32 and a fixed sleeve 33 accommodated in the movable sleeve 32, the liquid storage member 1 defines a liquid storage cavity 8 in a portion of the liquid storage member 1 outside the movable sleeve 32 and the fixing member 31, an atomization cavity 9 is formed in the fixed sleeve 33, a first liquid inlet 333 communicating with the atomization cavity 9 is formed on a side wall of the fixed sleeve 33, and a second liquid inlet 323 selectively communicating with or staggering the first liquid inlet 333 is formed in the movable sleeve 32. Thus, when the movable sleeve 32 is moved to the first position, the second liquid inlet hole 323 is staggered from the first liquid inlet hole 333, so that the liquid storage cavity 8 is in a closed state, and the liquid storage cavity 8 is isolated from the atomization cavity 9, 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 atomization cavity 9, and heat generated after the atomization core 2 in the atomization cavity 9 is electrified can heat and atomize aerosol forming substrates provided by the liquid storage cavity 8. The smoke generated in the nebulizing chamber 9 can be mixed with the air introduced by the air inlet aperture 13 and then drawn into the user's mouth via the smoking opening 54.

Referring to fig. 3 and 7 in combination, in some embodiments, the fixing member 31 is a silicone member, and the limiting structure is a limiting groove 311 concavely disposed on 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. In this way, since 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 323 located in the limiting groove 311 is plugged 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 323, and the leak tightness can be improved while the liquid core separation is realized. When the movable sleeve 32 moves to the second position, the second liquid inlet 323 is exposed out of the limiting groove 311, so that the blocking effect of the silica gel piece on the second liquid inlet 323 can be relieved, and the liquid storage cavity 8 is in an open state, and the liquid storage cavity 8 is communicated with the atomization cavity 9. Thus, the repeated operation and use of the liquid core separation can be conveniently realized. It should be noted that, the fixing member 31 may be, but not limited to, a silicone member, and the fixing member 31 may also be a rubber member, a metal member, a plastic member, or the like.

Referring to fig. 3, 4 and 7 in combination, in some embodiments, the movable sleeve 32 includes a vent pipe 321 and an isolation sleeve 322 connected to the vent pipe 321, one end of the vent pipe 321 away from the isolation sleeve 322 is slidably disposed at the smoking port 54, the vent pipe 321 is in communication with the smoking port 54, a second liquid inlet 323 is formed on a sidewall of the isolation sleeve 322, and the isolation sleeve 322 is at least partially slidably inserted into the defining slot 311 along an axial direction thereof. Through adopting above-mentioned structure setting, be favorable to reinforcing movable sleeve 32 axial displacement's stability, avoid movable sleeve 32's isolation sleeve 322 to produce radial offset or swing and cause the influence to atomizer inner structure's stability at the in-process that removes, like cause atomizing core 2 heater or ceramic atomizing spare to become flexible or drop etc..

Referring to fig. 3, fig. 4 and fig. 7 in combination, in some embodiments, the fixing sleeve 33 includes an atomization tube 331 with a first end penetrating through the fixing member 31 and a connection tube 332 connected to a second end of the atomization tube 331, the atomization tube 331 is accommodated in the isolation sleeve 322, the atomization chamber 9 is formed by an inner space of the atomization tube 331, the first liquid inlet 333 is opened on a side wall of the atomization tube 331, the connection tube 332 is slidably inserted into the ventilation tube 321, and the connection tube 332 is communicated between the atomization chamber 9 and the ventilation tube 321. By adopting the above-described structural arrangement, it is further advantageous to enhance the stability of the axial movement of the movable sleeve 32. Referring further 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 between the vent pipe 321 and the isolation sleeve 322 for being matched against the top end of the atomizing pipe 331. When the movable sleeve 32 is pushed downwards, the top end of the atomizing tube 331 abuts against the first step surface 324, and the movement stroke of the movable sleeve 32 moving downwards axially 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 arranged in the sealing groove 334. Referring to fig. 4, in other embodiments, a gap is formed between the inner side wall of the isolation sleeve 322 and the outer side wall of the atomizing tube 331, so that friction between the isolation sleeve 322 and the atomizing tube 331 is avoided, and a liquid storage space 10 for buffering aerosol-forming substrate is formed between the isolation sleeve 322 and the atomizing tube 331.

Referring to fig. 3, 4 and 7 in combination, in some embodiments, the liquid core separation assembly 3 further includes a suction nozzle 5 for driving the movable sleeve 32 to move, the suction nozzle 5 is movably mounted on the top of the liquid storage member 1, and the suction nozzle 5 has a smoking opening 54 communicating with the breather pipe 321. In some of these embodiments, the suction nozzle 5 is detachably 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 in combination, 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 for being inserted into the ventilation tube 321, and the guide tube 52 is connected between the suction nozzle body 51 and the plug tube 53. Referring to fig. 5 and 6 in combination, the outer diameter of the plugging tube 53 is smaller than the outer diameter of the guiding tube 52, so as to form a second step surface 55 at the connection between the guiding tube 52 and the plugging tube 53 for being matched against the corresponding end of the ventilation tube 321. In order to enhance the structural stability, the nozzle body 51, the guide tube 52 and the socket tube 53 are integrally formed. In addition, the plugging tube 53 is provided with an annular clamping portion 56 in a protruding manner, an annular clamping groove (not shown) for clamping and placing the annular clamping portion 56 is concavely formed in the inner side wall of the ventilation tube 321, and the suction nozzle 5 and the ventilation tube 321 are effectively prevented from falling and separating through the clamping and matching of the annular clamping portion 56 and the annular clamping groove. It should be noted that, the suction nozzle 5 may also be detachably connected to an end of the air pipe 321 away from the isolation sleeve 322 through a screw structure.

Referring to fig. 3 and 4 in combination, in some embodiments, to further enhance the stability of the movement of the movable sleeve 32 toward the smoking port 54, and prevent the movable sleeve 32 from radially shifting or swinging during the movement, a guiding tube 6 is further disposed inside the liquid storage member 1 to position and guide the movable sleeve 32 toward the smoking port 54, and a first end of the movable sleeve 32 is slidably inserted into the guiding tube 6. As can be appreciated, when the movable sleeve 32 includes the vent pipe 321 and the isolation sleeve 322, the guide pipe 6 is integrally formed with the housing 11 of the liquid storage member 1, the vent pipe 321 is slidably inserted into the guide pipe 6 through a port at a first end of the guide pipe 6, a second end of the guide pipe 6 extends to the outside of the housing 11 of the liquid storage member 1, and the suction nozzle 5 is axially slidably mounted in a second end port of the guide pipe 6 through a guide pipe 52 thereof. Referring further to fig. 4 and 7 in combination, in some embodiments, the vent tube 321 is further provided with a stop 7 for stopping the first end of the guide tube 6 to limit the movement stroke of the movable sleeve 32 moving axially upward. When the movable sleeve 32 is pulled upward, the first end of the guide tube 6 and the stop portion 7 abut against each other, so that the movement stroke of the movable sleeve 32 in the axial upward direction is limited. It will be appreciated that the stop 7 may be, but is not limited to, a stop ring protruding from the outer wall of the vent tube 321.

The embodiment of the invention 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 invention 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 invention.

Claims (10)

1. An atomizer, comprising:

the liquid storage part is internally provided with a liquid storage cavity for storing aerosol forming matrixes and an atomization cavity for atomizing the aerosol forming matrixes to form smog, the liquid storage part is provided with a smoking port, and the atomization cavity is communicated with the smoking port;

the atomizing core is arranged in the atomizing cavity and used for atomizing aerosol forming matrixes provided by the liquid storage cavity; and

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

wherein, the fixed part is provided with a limiting structure for limiting the movable sleeve along the radial direction of the movable sleeve so as to prevent the movable sleeve from generating radial deflection or swinging when moving the movable sleeve.

2. The atomizer of claim 1 wherein said defining structure is a defining groove recessed in said fixed member, said second end of said movable sleeve being slidably disposed in said defining groove along an axial direction thereof; or, the limiting structure is a limiting piece protruding on the fixing piece, and the second end of the movable sleeve is in sliding contact with the limiting piece, so that the movable sleeve can be propped against the limiting piece along the radial direction of the movable sleeve when the movable sleeve moves axially.

3. The atomizer of claim 1 wherein said wick assembly further comprises a stationary sleeve received within said movable sleeve, said reservoir defining said reservoir within said movable sleeve and outside said stationary sleeve, said stationary sleeve defining said atomizing chamber within said stationary sleeve, a first inlet opening in a sidewall of said stationary sleeve in communication with said atomizing chamber, a second inlet opening in said movable sleeve in communication with or offset from said first inlet opening for selectively communicating with said second inlet opening when said movable sleeve is moved to a first position, said second inlet opening being offset from said first inlet opening to close said reservoir, and said second inlet opening being in communication with said first inlet opening to open said reservoir when said movable sleeve is moved to a second position.

4. The atomizer of claim 3 wherein said fixed member is a silicone member, said limiting structure is a limiting groove recessed in said silicone member, and said second end of said movable sleeve is slidably disposed in said limiting groove along an axial direction thereof; when the movable sleeve moves to the first position, the second liquid inlet is positioned in the limiting groove so as to be blocked by the silica gel piece; when the movable sleeve moves to the second position, the second liquid inlet is exposed out of the limiting groove so as to relieve the blocking effect of the silica gel piece on the second liquid inlet.

5. The atomizer of claim 4 wherein said movable sleeve comprises a breather tube and an isolation sleeve connected to said breather tube, wherein an end of said breather tube remote from said isolation sleeve is slidably disposed at said smoking port and said breather tube is in communication with said smoking port, said second liquid inlet opening is formed in a sidewall of said isolation sleeve, and said isolation sleeve is slidably inserted at least partially along an axial direction thereof in said defining groove.

6. The atomizer of claim 5 wherein said stationary sleeve comprises an atomizing tube having a first end disposed through said stationary member and a connecting tube connected to a second end of said atomizing tube, said atomizing tube being received within said insulating sleeve, said atomizing chamber being defined by an interior space of said atomizing tube, said first liquid inlet opening being disposed on 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 tube and an outer sidewall of said atomizing tube such that a liquid storage space is formed between said spacer tube and said atomizing tube.

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

9. The atomizer of any one of claims 1 to 8, wherein a guide tube is further provided inside said reservoir for positioning and guiding the axial movement of said movable sleeve, said movable sleeve having a first end slidably inserted into said guide tube.

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

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