WO2023124738A1

WO2023124738A1 - Atomizer and aerosol generating device

Info

Publication number: WO2023124738A1
Application number: PCT/CN2022/135741
Authority: WO
Inventors: 邱伟华
Original assignee: 深圳市卓尔悦电子科技有限公司
Priority date: 2021-12-29
Filing date: 2022-12-01
Publication date: 2023-07-06

Abstract

An atomizer, comprising a liquid storage member (1), an atomization core (2), and a liquid core separation assembly (3). A liquid storage cavity (8) and an atomization cavity (9) are provided inside the liquid storage member (1). The liquid core separation assembly (3) comprises a movable sleeve (32) and a fixed member (31). The movable sleeve (32) is isolated between the liquid storage cavity (8) and the atomization cavity (9) and is movably accommodated inside the liquid storage member (1) in an axial direction. The liquid storage cavity (8) is selectively opened or closed by moving the movable sleeve (32), so as to control the isolation or communication between the liquid storage cavity (8) and the atomization cavity (9), thereby achieving the purpose of repeated operation and use of liquid core separation. A limiting structure used for limiting the movable sleeve (32) in the radial direction of the movable sleeve (32) is arranged on the fixed member (31), so that the movable sleeve (32) can be prevented from generating radial deviation or swinging during the moving process, thereby improving the stability of the operation of selectively opening or closing the liquid storage cavity (8) by moving the movable sleeve (32).

Description

Nebulizer 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 technique

The aerosol generating device usually includes an atomizer and a power supply device electrically connected to the atomizer. The atomizer can heat and atomize the aerosol-forming substrate stored in the atomizer under the electric drive of the power supply device. For the user to smoke to achieve the effect of simulating smoking. In the atomizer structure, the liquid storage chamber and the atomization chamber in the atomizer are generally separated by a liquid core separation component to prevent the aerosol-forming matrix from impregnating and contaminating the heat-generating devices in the atomization chamber for a long time.

At present, in the structure of the atomizer, the liquid core separation component that can repeatedly open or close the liquid storage chamber generally has the defects of complex structure and poor stability, which makes the operation control process of opening or closing the liquid storage chamber unable to maintain stability, which is easy It will affect the stability of the internal structure of the atomizer, which will cause loosening or damage to the heating wire and other components, and reduce the service life of the atomizer.

Utility model content

Based on the above-mentioned problems in the prior art, one of the purposes of the embodiments of the present invention is to provide an atomizer to solve the complex structure and poor stability of the liquid core separation assembly in the prior art, resulting in opening or closing the storage tank. The operation and control process of the liquid chamber cannot be kept stable, which is likely to affect the technical problems of the stability of the internal structure of the atomizer.

In order to achieve the above purpose, the technical solution adopted by the utility model is to provide an atomizer, comprising:

The liquid storage part is provided with a liquid storage chamber for storing the aerosol-forming substrate and an atomization chamber for atomizing the aerosol-forming substrate to form smoke. The liquid storage part is provided with a smoking port, and the mist The chemical chamber communicates with the smoking port;

an atomizing core, disposed in the atomizing chamber, for atomizing the aerosol-forming substrate provided by the liquid storage chamber; and

The liquid core separation assembly includes a fixed part fixed inside 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 slidably placed in the At the smoking port, the rest of the movable sleeve is separated between the liquid storage chamber and the atomization chamber, so that when the movable sleeve is moved axially, the active sleeve can be selected Sexually isolate or connect the liquid storage chamber and the atomization chamber;

Wherein, the fixing member is provided with a limiting structure for restricting the movable sleeve along the radial direction of the movable sleeve, so as to prevent the movable sleeve from radially shifting or moving when the movable sleeve is moved. swing.

Further, the limiting structure is a limiting groove recessed on the fixing member, and the second end of the movable sleeve is slidably arranged in the limiting groove along its axial direction; or, the limiting structure It is a limiting member protruding from the fixing member, the second end of the movable sleeve is in sliding contact with the limiting member, so that when the movable sleeve is moved axially, it can pass through the limiting member. The component resists the movable sleeve along the radial direction of the movable sleeve.

Further, the liquid core separation assembly further includes a fixed sleeve accommodated in the movable sleeve, and the inside of the liquid storage part defines the liquid storage part outside the movable sleeve and the fixed part. chamber, the inside of the fixed sleeve is formed with the atomization chamber, the side wall of the fixed sleeve is provided with a first liquid inlet hole communicating with the atomization chamber, and the movable sleeve is provided with a A second liquid inlet selectively communicated with or staggered with the first liquid inlet, so that when the movable sleeve is moved to the first position, the second liquid inlet is connected to the first liquid inlet The holes are staggered to close the liquid storage chamber, and when the movable sleeve is moved to the second position, the second liquid inlet hole communicates with the first liquid inlet hole to open the liquid storage chamber.

Further, the fixing part is a silicone part, the limiting structure is a limiting groove recessed on the silicone part, and the second end of the movable sleeve is slidably arranged in the limiting groove along its axial direction. in the middle; when the movable sleeve moves to the first position, the second liquid inlet hole is located in the defined groove so as to block the second liquid inlet hole through the silicone piece; during the activity When the sleeve moves to the second position, the second liquid inlet hole is exposed in the limiting groove so as to release the blocking effect of the silicone member on the second liquid inlet hole.

Further, the movable sleeve includes a ventilation tube and a spacer tube connected to the ventilation tube. The smoking port is connected, the second liquid inlet hole is opened on the side wall of the isolation sleeve, and the isolation sleeve is at least partly slidably inserted in the defined groove along its axial direction.

Further, the fixing sleeve includes an atomizing tube whose first end is passed through the fixing member and a connecting tube connected to the second end of the atomizing tube, and the atomizing tube is accommodated in the isolation In the casing, the atomization chamber is formed by the inner space of the atomization tube, the first liquid inlet hole is opened on the side wall of the atomization tube, and the connecting tube is slidably inserted into the ventilation tube , and the connecting pipe communicates with the atomizing chamber and the ventilation pipe.

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

Further, the liquid core separation assembly further includes a suction nozzle for driving the movable sleeve to move, the suction nozzle is movably installed on the top of the liquid storage element, and the suction nozzle has the smoking port.

Further, a guide tube is provided inside the liquid storage part to position and guide the axial movement of the movable sleeve, and the first end of the movable sleeve is slidably inserted into the guide tube.

Based on the above-mentioned problems in the prior art, the second object of the embodiments of the present invention is to provide an aerosol generating device with an atomizer in any of the above-mentioned solutions.

In order to achieve the above purpose, the technical solution adopted by the utility model is: to provide an aerosol generating device, including the atomizer provided by any one of the above solutions.

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

In the atomizer and aerosol generating device in the embodiment of the utility model, in the structure of the atomizer, the movable sleeve is accommodated inside the liquid storage part so that it can move along the axial direction, and the movable sleeve is separated from the liquid storage chamber Between the liquid storage chamber and the atomization chamber, the movable sleeve can be moved axially to selectively open or close the liquid storage chamber, thereby controlling the free switching between the liquid storage chamber and the atomization chamber in isolation or communication, The purpose of realizing the separation of the liquid core and reusable operation is achieved. Moreover, the fixed part is provided with a limiting structure for restricting the movable sleeve along the radial direction of the movable sleeve, which can effectively prevent the radial deviation or swing of the movable sleeve during the movement process, and enhance the axial movement of the movable sleeve. The stability of the tube, so that the liquid core separation component can remain stable during the operation control process of opening or closing the liquid storage chamber, and avoid adverse effects on the stability of the internal structure of the nebulizer, resulting in loosening or damage to the heating wire and other components.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the accompanying drawings that are required in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only the practical For some novel embodiments, those skilled in the art can also obtain other drawings based on these drawings without any creative work.

Fig. 1 is a schematic diagram of the three-dimensional structure of the atomizer provided by the 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 structural view of the atomizer shown in Fig. 1;

Fig. 4 is another sectional structural schematic diagram of the atomizer shown in Fig. 1;

Fig. 5 is a partial enlarged structural schematic diagram of part A in Fig. 4;

Fig. 6 is a schematic structural view of the suction nozzle provided by the embodiment of the present invention;

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

Wherein, each reference sign in the figure:

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

2-atomizing core;

3-Liquid Core Separation Assembly; 31-Fixer; 311-Defined Groove; 32-Active Sleeve; 321-Air Tube; 322-Isolation Sleeve; - fixed sleeve; 331 - atomizing tube; 332 - connecting tube; 333 - the first liquid inlet hole; 334 - sealing groove;

4- sealing ring;

5-suction nozzle; 51-suction nozzle body; 52-guide pipe; 53-insert pipe; 54-smoking port; 55-second step surface;

6-guiding tube; 7-stopper; 8-liquid storage chamber; 9-atomization chamber; 10-liquid storage space.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

It should be noted that when an element is referred to as being “connected to” or “disposed on” another element, it may 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 indirectly connected to the other element.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying Any device or element must have a specific orientation, be constructed and operate in a specific orientation, and thus should not 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 phrases "in one embodiment," "in some embodiments," or "in some of these embodiments" appear in various places throughout the specification, not all referring to the same embodiments. Furthermore, the particular features, structures or characteristics may be combined in any suitable manner in one or more embodiments.

Please refer to Fig. 1 to Fig. 6 together, and now the atomizer provided by the 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 mentioned in the embodiment of the utility model includes an atomizer and a power supply device electrically connected to the atomizer. When in use, the power supply device is used to provide electric energy to the atomizer, and the atomizer is electrically driven to heat and atomize the aerosol-forming substrate stored in the atomizer for the user to inhale to achieve the effect of simulating smoking.

Please refer to Fig. 1, Fig. 3 and Fig. 4 together. The atomizer provided by the embodiment of the present invention includes a liquid storage part 1, an atomizing core 2 and a liquid core separation assembly 3. The liquid storage chamber 8 forming the substrate and the atomizing chamber 9 for atomizing the aerosol-forming substrate to form smoke, the top of the liquid storage part 1 is provided with a smoking port 54, and the atomizing chamber 9 communicates with the smoking port 54 to make the mist The smoke formed in the chamber 9 can be sucked into the user's mouth through the smoking port 54 . In some of these embodiments, the liquid storage element 1 includes a cylindrical housing 11 and a base 12 fitted in the bottom opening of the housing 11 , and the top of the housing 11 has a smoking port 54 for users to inhale smoke. The atomizing core 2 is disposed in the atomizing chamber 9 , and the atomizing core 2 can atomize the aerosol-forming substrate provided by the liquid storage chamber 8 , so that smoke that can be inhaled by the user is formed in the atomizing chamber 9 . Please refer to Fig. 2 further, the base 12 is provided with an air inlet 13 for introducing external air into the atomizing chamber 9, and when the user inhales, the external air flows into the atomizing chamber 9 through the air inlet 13 on the base 12 After being mixed with the smoke in the atomizing chamber 9, it reaches the user's mouth through the smoking port 54, so that the user can achieve the effect of simulating smoking. It can be understood that the atomizing core 2 may be, but not limited to, a ceramic atomizing element with liquid absorption capability or an atomizing element in which a heating wire is wrapped with liquid-absorbing cotton.

Please refer to FIG. 3 , FIG. 4 and FIG. 7 , the liquid core separation assembly 3 includes a fixed part 31 and a movable sleeve 32 , the fixed part 31 is located inside the casing 11 of the liquid storage part 1 , and the fixed part 31 is supported and fixed on the base 12, the movable sleeve 32 is accommodated in the casing 11 of the liquid storage part 1 in an axially movable manner, the first end of the movable sleeve 32 is slidably placed at the smoking port 54, and the rest of the movable sleeve 32 is separated Between the liquid storage chamber 8 and the atomization chamber 9. It should be noted that the remaining part of the movable sleeve 32 refers to a portion of the movable sleeve 32 except for slidingly placed at the smoking opening 54 , which includes the second end of the movable sleeve 32 away from the smoking opening 54 . Wherein, the aforementioned smoking port 54 refers to the vicinity of the smoking port 54 or in the smoking port 54 . That is to say, the height of the first end of the movable sleeve 32 can be 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 can also be located at the height of the smoking port 54. Mouth 54. In this way, when the movable sleeve 32 is moved in the axial direction, the liquid storage chamber 8 can be selectively opened or closed through the movable sleeve 32, so that the liquid storage chamber 8 and the atomization chamber 9 are between two states of isolation or communication. To switch freely. In order to prevent the radial displacement or swing of the movable sleeve 32 during the axial movement and affect the stability of the internal structure of the atomizer, the fixed part 31 is provided with a movable sleeve for limiting the radial direction of the movable sleeve 32 32, that is, the movable sleeve 32 can be limited by the limiting structure along the radial direction of the movable sleeve 32, so that when the movable sleeve 32 is moved axially, the radial deflection of the movable sleeve 32 can be effectively prevented. move or swing. 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 atomization core 2 or the stability of the ceramic atomizer.

Compared with the prior art, the atomizer provided by the embodiment of the present utility model accommodates the movable sleeve 32 inside the liquid storage part 1 so that it can move along the axial direction, and makes the movable sleeve 32 separated from the liquid storage chamber 8 Between the liquid storage chamber 8 and the atomization chamber 9, the liquid storage chamber 8 can be selectively opened or closed by moving the movable sleeve 32, thereby controlling the two states of isolation or communication between the liquid storage chamber 8 and the atomization chamber 9 Freely switch to achieve the purpose of repeatable operation of liquid core separation. Moreover, the fixing member 31 is provided with a limiting structure for restricting the movable sleeve 32 along the radial direction of the movable sleeve 32, which can effectively prevent the movable sleeve 32 from radially shifting or swinging during the movement, thereby enhancing the movement The movable sleeve 32 selectively opens or closes the stability of the operation of the liquid storage chamber 8, so that the liquid core separation assembly can remain stable during the operation control process of opening or closing the liquid storage chamber, avoiding the stability of the internal structure of the atomizer The adverse effect caused by the nature will cause the heating wire and other parts to loosen or be damaged.

Please refer to FIG. 3 and FIG. 4 in conjunction. In some embodiments, the limiting structure is a limiting groove 311 recessed on the fixing member 31, and the second end of the movable sleeve 32 is slidably arranged in the limiting groove along its axial direction. 311, to define the movable sleeve 32 along the radial direction of the movable sleeve 32 by defining the groove 311, to prevent the movable sleeve 32 from radially shifting or swinging during the movement, and to enhance the stability of the axial movement of the movable sleeve 32 sex. It should be noted that, in some other embodiments, the limit groove can be a circular groove or an annular groove recessed on the fixing member 31, or can be formed by two spaced apart protrusions on the fixing member 31. An annular groove formed by a concave portion between two annular protrusions. It can be understood that, in some other embodiments, the limiting structure can also be a limiting member protruding from the fixing member 31, and the second end of the movable sleeve 32 is in sliding contact with the limiting member so as to pass through the limiting member along the The radial direction of the movable sleeve 32 defines the movable sleeve 32 , preventing the movable sleeve 32 from radially shifting or swinging during movement, and enhancing the stability of the axial movement of the movable sleeve 32 . The above-mentioned limit piece can be but not limited to a limit ring, a limit sleeve, a limit block, a limit rod or an arc limit plate, when the limit member is a limit block, a limit rod or an arc limit plate , the setting quantity of the limiting parts can be reasonably set according to actual use needs.

Please refer to Fig. 3, Fig. 4 and Fig. 7 in combination. In some embodiments, the liquid core separation assembly 3 includes a fixed part 31, a movable sleeve 32 and a fixed sleeve 33 accommodated in the movable sleeve 32, and the liquid storage part 1 The liquid storage chamber 8 is defined by the part outside the movable sleeve 32 and the fixed part 31 inside, and an atomization chamber 9 is formed inside the fixed sleeve 33, and a communicating atomization chamber 9 is opened on the side wall of the fixed sleeve 33 The movable sleeve 32 is provided with a second liquid inlet 323 for selectively communicating with or staggering with the first liquid inlet 333 . In this way, 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 chamber 8 is in a closed state, and then the liquid storage chamber 8 is in contact with the atomizer. The cavity 9 is isolated to realize the separation of the liquid core and prevent liquid leakage. 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 chamber 8 is in an open state, and then the liquid storage chamber 8 and the atomization chamber are connected to each other. 9 are connected, and the heat generated by the atomizing core 2 in the atomizing chamber 9 after electrification can heat and atomize the aerosol-forming substrate provided by the liquid storage chamber 8 . The smoke generated in the atomizing chamber 9 can be mixed with the air introduced by the air inlet 13 and sucked into the user's mouth through the smoking port 54 .

Please refer to FIG. 3 and FIG. 7 in combination. In some embodiments, the fixed part 31 is a silicone part, and the defined structure is a defined groove 311 recessed on the silicone part. The second end of the movable sleeve 32 can be moved along its axial direction Slidingly disposed in the limiting groove 311 . In this way, since the fixed piece 31 is a silicone piece made of a silicone material, when the movable sleeve 32 moves to the first position, the second liquid inlet hole 323 located in the defined groove 311 is blocked by the silicone piece. , so that the aerosol-forming substrate in the liquid storage chamber 8 cannot flow into the atomization chamber 9 through the second liquid inlet hole 323 , while realizing the separation of the liquid core, it can also improve the sealing performance to prevent liquid leakage. When the movable sleeve 32 moves to the second position, the second liquid inlet hole 323 is exposed in the limiting groove 311, and the blocking effect of the silicone part on the second liquid inlet hole 323 can be released, so that the liquid storage chamber 8 is opened. state, so that the liquid storage chamber 8 communicates with the atomization chamber 9 . In this way, the repeated operation and use of liquid core separation can be realized conveniently. It should be noted that the fixing part 31 may be but not limited to a silicone part, and the fixing part 31 may also be a rubber part, a metal part or a plastic part and the like.

Please refer to FIG. 3 , FIG. 4 and FIG. 7 in conjunction. In some embodiments, the movable sleeve 32 includes a ventilation tube 321 and an isolation sleeve 322 connected to the ventilation tube 321 , and the end of the ventilation tube 321 slides away from the isolation sleeve 322 Placed at the smoking port 54, and the ventilation pipe 321 communicates with the smoking port 54, the second liquid inlet hole 323 is opened on the side wall of the spacer sleeve 322, and the spacer sleeve 322 is at least partially inserted in the Define the slot 311. By adopting the above-mentioned structural arrangement, it is beneficial to enhance the stability of the axial movement of the movable sleeve 32, and avoid the radial deviation or swing of the spacer sleeve 322 of the movable sleeve 32 during the movement process, which will affect the internal structure of the atomizer. Stability is affected, such as causing the heating wire of the atomizing core 2 or the ceramic atomizing parts to loosen or fall off.

Please refer to FIG. 3 , FIG. 4 and FIG. 7 . In some embodiments, the fixing sleeve 33 includes an atomizing tube 331 whose first end is passed through the fixing member 31 and connected to the second end of the atomizing tube 331 . The connecting pipe 332, the atomizing pipe 331 is accommodated in the isolation sleeve 322, the atomizing chamber 9 is formed by the inner space of the atomizing pipe 331, the first liquid inlet hole 333 is opened on the side wall of the atomizing pipe 331, the connecting pipe 332 is slidably inserted into the air pipe 321 , and the connecting pipe 332 communicates between the atomization chamber 9 and the air pipe 321 . By adopting the above-mentioned structural arrangement, it is further beneficial to enhance the stability of the axial movement of the movable sleeve 32 . Please further refer to FIG. 3 and FIG. 4 , in some other embodiments, the inner diameter of the ventilation tube 321 is smaller than the inner diameter of the spacer sleeve 322, so as to form a mating resistance at the connection between the ventilation tube 321 and the spacer sleeve 322 The first stepped surface 324 at the top of the atomizing tube 331 . When the movable sleeve 32 is pushed downward, the top end of the atomizing tube 331 abuts against the first stepped surface 324 , limiting the movement stroke of the movable sleeve 32 to move axially downward. In order to enhance the airtightness of the sliding connection between the connecting pipe 332 and the ventilation pipe 321, a sealing groove 334 is recessed on the outer wall of the connecting pipe 332, and a sealing ring 4 is installed in the sealing groove 334. Please further refer to FIG. 4 , in some other embodiments, there is a gap between the inner wall of the isolation sleeve 322 and the outer wall of the atomizing tube 331 , on the one hand, it can avoid direct contact between the isolation sleeve 322 and the atomizing tube 331 While increasing the friction, the other side can form a liquid storage space 10 for buffering the aerosol-forming substrate between the isolation sleeve 322 and the atomizing tube 331 .

Please refer to FIG. 3 , FIG. 4 and FIG. 7 in conjunction. In some embodiments, the liquid core separation assembly 3 further includes a suction nozzle 5 for driving the movable sleeve 32 to move, and the suction nozzle 5 is movably installed on the liquid storage part 1 At the top, the suction nozzle 5 has a smoking port 54 communicating with the ventilation pipe 321 . In some of these embodiments, the suction nozzle 5 is detachably connected to the end of the ventilation tube 321 away from the isolation sleeve 322 through a buckle structure. Specifically, please further refer to Fig. 3, Fig. 5 and Fig. 6, the suction nozzle 5 includes a suction nozzle body 51, a guide tube 52 for slidingly installed in the guide tube 6 of the liquid storage part 1 and a ventilation tube for inserting The insertion tube 53 in 321 and the guide tube 52 are connected between the nozzle body 51 and the insertion tube 53 . Please further refer to FIG. 5 and FIG. 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 part at the connection between the guide tube 52 and the insertion tube 53 for matching against the corresponding end of the ventilation tube 321. Two step surfaces 55. In order to enhance the stability of the structure, the nozzle body 51 , the guide tube 52 and the insertion tube 53 are integrally formed. In addition, an annular clamping portion 56 is convexly provided on the socket pipe 53, and an annular clamping groove (not shown) for the clamping and inserting of the annular clamping portion 56 is recessed on the inner side wall of the air pipe 321. The clamping fit between the part 56 and the annular slot effectively prevents the suction nozzle 5 from falling off and separating from the air pipe 321 . 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 through a threaded structure.

Please refer to FIG. 3 and FIG. 4 in conjunction. In some embodiments, in order to further enhance the stability of the movement of the movable sleeve 32 towards the smoking opening 54 and prevent the radial deviation or swing of the movable sleeve 32 during the movement, Inside the liquid storage part 1 there is also a guide tube 6 for positioning and guiding the movable sleeve 32 to move toward the smoking opening 54 , and the first end of the movable sleeve 32 is slidably inserted into the guide tube 6 . It can be understood that when the movable sleeve 32 includes the vent tube 321 and the isolation sleeve 322, the guide tube 6 is integrally formed with the housing 11 of the liquid storage part 1, and the vent tube 321 is slid by the port at the first end of the guide tube 6 Inserted in the guide tube 6, the second end of the guide tube 6 extends to the outside of the housing 11 of the liquid storage part 1, and the suction nozzle 5 is slidably installed on the guide tube 6 through its guide tube 52 in the axial direction. in the second port. Please further refer to FIG. 4 and FIG. 7 in conjunction with each other. In some embodiments, the ventilation tube 321 is also provided with a stopper for stopping the first end of the guide tube 6 to limit the movement stroke of the movable sleeve 32 moving axially upward. Stopper 7. When the movable sleeve 32 is pulled upwards, the first end of the guide tube 6 and the stopper 7 abut against each other, limiting the movement stroke of the movable sleeve 32 moving upward in the axial direction. It can be understood that the stop portion 7 may be, but not limited to, a stop ring protruding from the outer wall of the vent pipe 321 .

The embodiment of the present utility model also provides an aerosol generating device, the aerosol generating device includes the atomizer provided in any one of the above embodiments. Since the aerosol generating device has all the technical features of the atomizer provided in any of the above-mentioned embodiments, it has the same technical effect as the above-mentioned atomizer.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims

An atomizer, characterized in that it comprises:

The liquid storage part is provided with a liquid storage chamber for storing the aerosol-forming substrate and an atomization chamber for atomizing the aerosol-forming substrate to form smoke. The liquid storage part is provided with a smoking port, and the mist The chemical chamber communicates with the smoking port;

an atomizing core, disposed in the atomizing chamber, for atomizing the aerosol-forming substrate provided by the liquid storage chamber; and

The liquid core separation assembly includes a fixed part fixed inside 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 slidably placed in the At the smoking port, the rest of the movable sleeve is separated between the liquid storage chamber and the atomization chamber, so that when the movable sleeve is moved axially, the active sleeve can be selected Sexually isolate or connect the liquid storage chamber and the atomization chamber;

Wherein, the fixing member is provided with a limiting structure for restricting the movable sleeve along the radial direction of the movable sleeve, so as to prevent the movable sleeve from radially shifting or moving when the movable sleeve is moved. swing.
The atomizer according to claim 1, wherein the limiting structure is a limiting groove recessed on the fixing member, and the second end of the movable sleeve is slidably arranged in the axial direction. In the limiting groove; or, the limiting structure is a limiting member protruding from the fixing member, and the second end of the movable sleeve is in sliding contact with the limiting member so as to move the limiting member in the axial direction. When the movable sleeve is used, the movable sleeve can be resisted by the limiting member along the radial direction of the movable sleeve.
The atomizer according to claim 1, wherein the liquid core separation assembly further comprises a fixed sleeve accommodated in the movable sleeve, and the liquid storage part is inside the movable sleeve and the The part other than the fixing piece defines the liquid storage chamber, the inside of the fixed sleeve forms the atomization chamber, and the side wall of the fixed sleeve is provided with a first inlet that communicates with the atomization chamber. liquid hole, the movable sleeve is provided with a second liquid inlet hole for selectively communicating with or staggering with the first liquid inlet hole, so that when the movable sleeve is moved to the first position, the The second liquid inlet hole and the first liquid inlet hole are staggered to close the liquid storage cavity, and when the movable sleeve is moved to the second position, the second liquid inlet hole and the first liquid inlet hole The liquid hole communicates to open the liquid storage cavity.
The atomizer according to claim 3, wherein the fixing part is a silicone part, the limiting structure is a limiting groove recessed on the silicone part, and the second end of the movable sleeve can be Slidingly arranged in the limiting groove along its axial direction; when the movable sleeve moves to the first position, the second liquid inlet hole is located in the limiting groove to be blocked by the silicone piece The second liquid inlet hole; when the movable sleeve moves to the second position, the second liquid inlet hole is exposed in the limiting groove so as to release the silicone part from the second liquid inlet hole blocking effect.
The atomizer according to claim 4, wherein the movable sleeve comprises a ventilation tube and a spacer tube connected to the ventilation tube, and the end of the ventilation tube away from the spacer tube is slidably placed At the smoking port, the ventilation pipe communicates with the smoking port, the second liquid inlet hole is opened on the side wall of the spacer sleeve, and at least part of the spacer tube can slide along its axial direction inserted into the defined slot.
The atomizer according to claim 5, wherein the fixing sleeve comprises an atomizing tube whose first end is passed through the fixing member and a connection connected to the second end of the atomizing tube tube, the atomization tube is accommodated in the isolation sleeve, the atomization chamber is formed by the inner space of the atomization tube, the first liquid inlet hole is opened on the side wall of the atomization tube, The connecting pipe is slidably inserted into the air pipe, and the connecting pipe communicates with the atomization chamber and the air pipe.
The atomizer according to claim 6, wherein there is a gap between the inner side wall of the isolation sleeve and the outer side wall of the atomization tube, so that the space between the isolation sleeve and the atomization tube A liquid storage space is formed.
The atomizer according to claim 1, wherein the liquid core separation assembly further includes a suction nozzle for driving the movable sleeve to move, and the suction nozzle is movably installed on the top of the liquid storage element , the suction nozzle has the smoking opening.
The atomizer according to any one of claims 1 to 8, characterized in that a guide tube is provided inside the liquid storage part to position and guide the axial movement of the movable sleeve, and the movable sleeve The first end of the first end is slidably inserted into the guide tube.
An aerosol generating device, characterized by comprising the atomizer according to any one of claims 1-9.