CN217885106U - Atomizing core structure, atomizer and aerosol generating device - Google Patents

Abstract

The utility model provides an atomizing core structure, atomizer and aerosol generating device, atomizing core structure include atomizing support, heat-generating body, first drain spare and second drain spare. In this atomizing core structure, through place atomizing support in with first drain spare and heat-generating body in the inside cavity, locate atomizing support with the second drain spare cover simultaneously on, and be equipped with the intercommunication groove of intercommunication cavity on atomizing support, make first drain spare accessible intercommunication groove direct with the second lead the contact of liquid spare or link to each other, thereby make the aerosol on the second drain spare form the matrix and can directly transmit to first drain spare, can effectively improve the second drain spare and to the first speed that leads liquid spare transmission aerosol formation matrix, and then can promote the drain performance of first drain spare and/or second drain spare by a wide margin, reach the effect of fully supplying liquid to the heat-generating body, avoid because of the heat-generating body causes the atomizing core to take place the dry combustion carbonization phenomenon because of supplying liquid not enough.

Description

Atomizing core structure, atomizer and aerosol generating device

Technical Field

The utility model belongs to the technical field of atomizing and simulation smoking, in particular, relate to an atomizing core structure, atomizer and aerosol generating device.

Background

The aerosol generating device generally includes an atomizer and a power supply device electrically connected to the atomizer, and an atomizing core of the atomizer can atomize the aerosol-forming substrate stored in the atomizer under the electric driving action of the power supply device, so as to achieve the effect of simulating smoking for a user to inhale.

At present, in the atomizing core structure of atomizer, generally set up the inlayer in the inboard of atomizing support and lead the oil cotton to set up outer oil cotton of leading in the outside of atomizing support, set up on the atomizing support and can lead the inlet port that the tobacco tar on the oil cotton was led to the inlayer with outer oil cotton. Because the oil cotton is led to inlayer and the setting is separated usually to the outer oil cotton, the tobacco tar on the outer oil cotton is led and is passed through the indirect speed that transmits to the inlayer oil cotton of oil inlet and slower, influences oil guiding rate, leads to the atomizing core fuel feeding not enough, causes the atomizing core to take place the dry combustion carbonization phenomenon easily.

SUMMERY OF THE UTILITY MODEL

Based on the above-mentioned problem that exists among the prior art, the utility model discloses one of the purpose lies in providing an atomizing core structure to in the atomizing core structure that exists among the solution prior art, the rate that the outer aerosol formation substrate of leading on the oil cotton transmitted to the inlayer oil cotton through the inlet port is slower, influences oil guiding rate, leads to the not enough problem of heat-generating body fuel feeding.

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

a heating element for generating heat after being electrified and heating and atomizing the aerosol-forming substrate;

the atomizing support is internally provided with a cavity, and the heating body is accommodated in the cavity;

the first liquid guide piece is used for transmitting aerosol to the heating body to form a matrix, and the first liquid guide piece is arranged in the cavity; and

the second liquid guide piece is sleeved on the atomization support;

wherein, be equipped with the intercommunication groove of intercommunication cavity on the atomizing support to make aerosol formation substrate on the second drain spare can directly transmit to first drain spare.

Furthermore, the first liquid guide piece comprises an inner liquid guide sleeve and an outer liquid guide sleeve which are nested, and the inner liquid guide sleeve is sleeved on the peripheral surface of the heating body.

Furthermore, the inner-layer liquid guide sleeve is composed of first liquid guide cotton cloth wound on the heating body, and the outer-layer liquid guide sleeve is composed of second liquid guide cotton cloth wound on the outer peripheral surface of the inner-layer liquid guide sleeve; the second drain cotton cloth passes behind the intercommunication groove and twine in on the atomizing support to constitute the cover and locate on the atomizing support the second drain spare.

Further, the first liquid guide cotton cloth is high-temperature-resistant flax fiber cloth.

Further, the second liquid guide cotton cloth is non-woven fabric.

Furthermore, the atomizing support is provided with a liquid supplementing hole communicated with the cavity, and the aerosol-forming substrate on the second liquid guide part can be transmitted to the first liquid guide part through the liquid supplementing hole.

Further, the atomizing support comprises a support and a support tube arranged on the support, the cavity is defined by the inner cavity of the support tube, the second liquid guide piece and the heating body are arranged in the support tube, the second liquid guide piece is sleeved on the outer peripheral surface of the support tube, and the communicating groove is formed in the support tube.

Furthermore, the first end of the supporting pipe barrel is fixedly connected with the support, the second end of the supporting pipe barrel is provided with an opening, and a guide inclined plane is arranged on the supporting pipe barrel at the joint of the opening and the communicating groove.

Based on the above-mentioned problem that exists among the prior art, the utility model discloses a second aim at provides an atomizer that has atomizing core structure in any one of above-mentioned scheme.

In order to achieve the above object, the utility model adopts the following technical scheme: an atomizer is provided, which comprises the atomizing core structure provided by any scheme.

Based on the above-mentioned problem that exists among the prior art, the utility model provides a third of the purpose is to provide an aerosol generating device who has atomizing core structure or atomizer among the above-mentioned arbitrary scheme.

In order to achieve the above object, the utility model adopts the following technical scheme: there is provided an aerosol generating device comprising the atomizing wick structure or the atomizer provided in any of the aspects above.

The embodiment of the utility model provides an in above-mentioned one or more technical scheme, compare with prior art, have one of following beneficial effect at least:

the embodiment of the utility model provides an in atomizing core structure, atomizer and aerosol generating device, in the atomizing core structure, through place the inside cavity of atomizing support in with first drain and heat-generating body in, locate the atomizing support with second drain cover simultaneously on, and be equipped with the intercommunication groove of intercommunication cavity on the atomizing support, make first drain accessible intercommunication groove direct with the contact of second drain or link to each other, thereby make the aerosol on the second drain form substrate direct transmission to first drain, can effectively improve the second drain and to the speed of first drain transmission aerosol formation substrate, and then can promote the drain performance of first drain and/or second drain by a wide margin, reach the effect to the abundant confession liquid of heat-generating body, avoid causing the atomizing core to take place the dry combustion carbonization phenomenon because of the confession liquid is not enough because of the heat-generating body.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic perspective view of an atomizing core structure provided in an embodiment of the present invention;

FIG. 2 is an exploded view of the atomizing core structure shown in FIG. 1;

fig. 3 is a schematic perspective view of an atomizing core structure according to another embodiment of the present invention;

FIG. 4 is an expanded plan view of a first fluid-conducting member of the atomizing core configuration shown in FIG. 3;

fig. 5 is a schematic cross-sectional structural diagram of an atomizer provided in an embodiment of the present invention;

FIG. 6 is a schematic view of a portion A of FIG. 5;

fig. 7 is a schematic cross-sectional structural view of an atomizer according to another embodiment of the present invention;

FIG. 8 is a partially enlarged view of the portion B in FIG. 7;

FIG. 9 is a schematic cross-sectional view of the atomizing core of the atomizer shown in FIG. 7;

fig. 10 is a schematic perspective view of the porous medium in the atomizer shown in fig. 5.

Wherein, in the figures, the respective reference numerals:

1-liquid storage part; 11-cartridge case; 12-a cartridge holder; 13-a liquid storage cavity; 14-a smoking port; 15-suction nozzle;

2-atomizing core; 21-an atomizing support; 211-a support; 212-a support tube; 22-a heating element; 23-a first liquid guide member; 231-first drain cotton cloth; 232-second drain cotton cloth; 24-a second liquid guide; 25-a communicating groove; 26-fluid infusion holes; 27-a cavity;

3-a vent tube; 31-a first tube; 32-a second tubular member;

4-a guide inclined plane; 5-a seal; 6-porous media; 7-trepanning.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "plurality" is one or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of 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 thus, are not to be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

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 4 together, an atomizing core structure 2 according to an embodiment of the present invention will now be described. The embodiment of the utility model provides an aerosol generating device generally including be used for forming the atomizer of smog with aerosol formation substrate atomizing such as tobacco juice to and atomizer electric connection's power supply unit. The embodiment of the utility model provides an atomizing core structure 2 is applicable to above-mentioned atomizer, then when using, power supply unit can provide the electric energy to atomizing core structure 2 of atomizer, and atomizing core structure 2's heat-generating body 22 produces heat under the electric drive effect, can heat and atomize aerosol formation substrates such as tobacco juice for aerosol formation substrates such as tobacco juice form the smog of tiny granule.

Referring to fig. 1 and fig. 2 in combination, the atomizing core structure 2 provided in the embodiment of the present invention includes an atomizing support 21, a heating element 22, a first liquid guiding element 23 and a second liquid guiding element 24, the heating element 22 may be but not limited to a metal heating element or a ceramic heating element, the heating element 22 can generate heat after being powered on, and the heat generated by the heating element 22 further heats and atomizes the aerosol-forming substrate, so that the aerosol-forming substrate forms smoke with fine particles. The atomizing support 21 has a cavity 27 formed therein, the heating element 22 is accommodated in the cavity 27, and the first liquid guiding member 23 is disposed in the cavity 27, so that the first liquid guiding member 23 can transmit the aerosol-forming substrate to the heating element 22. The second liquid guiding member 24 is sleeved on the atomizing support 21, and a communication groove 25 communicated with the cavity 27 is formed in the atomizing support 21, so that the first liquid guiding member 23 can be directly contacted with or connected with the second liquid guiding member 24 through the communication groove 25, and the aerosol-forming substrate on the second liquid guiding member 24 can be directly transmitted to the first liquid guiding member 23.

The embodiment of the utility model provides an atomizing core structure 2, compared with the prior art, through place the inside cavity 27 of atomizing support 21 in first drain 23 and heat-generating body 22 in, locate atomizing support 21 with second drain 24 cover simultaneously on, and be equipped with the intercommunication groove 25 of intercommunication cavity 27 on atomizing support 21, make first drain 23 accessible intercommunication groove 25 directly contact or link to each other with second drain 24, thereby make aerosol on the second drain 24 form substrate can direct transmission to first drain 23, can effectively improve the rate that second drain 24 formed the substrate to first drain 23 transmission aerosol, and then can promote first drain 23 and/or the drain performance of second drain 24 by a wide margin, reach the effect of fully supplying liquid to heat-generating body 22, avoid causing the atomizing core to take place the dry combustion carbonization phenomenon because of heat-generating body 22 supplies liquid not enough.

In some of these embodiments, first fluid conducting member 23 comprises an inner fluid conducting sleeve and an outer fluid conducting sleeve, wherein the inner fluid conducting sleeve is nested with the outer fluid conducting sleeve. And, the inlayer drain cover is located on the outer peripheral face of heat-generating body 22, and the inlayer drain cover is made for high temperature resistant material, strengthens first drain 23 high temperature resistance ability to further avoid the atomizing core to appear dry combustion carbonization phenomenon. Referring to fig. 4, in some embodiments, the inner liquid-guiding sheath is made of a first liquid-guiding cotton cloth 231 wound around the heating element 22, and the outer liquid-guiding sheath is made of a second liquid-guiding cotton cloth 232 wound around the outer circumference of the inner liquid-guiding sheath. It is understood that the first liquid guiding cotton cloth 231 can be, but not limited to, a high temperature resistant linen, and the second liquid guiding cotton cloth 232 can be, but not limited to, a non-woven fabric with a better liquid guiding effect.

Referring to fig. 3, in other embodiments, the second liquid guiding cotton cloth 232 passes through the communicating groove 25 and then is wound on the atomizing support 21 to form the second liquid guiding member 24 sleeved on the atomizing support 21. Like this, can make second drain 24 and first drain 23 fuse, not only can effectively improve the rate that second drain 24 transmitted aerosol to first drain 23 and form the matrix, but also can reduce the installation degree of difficulty and reduce installation operating procedure, make things convenient for the equipment of atomizing core. It should be noted that in other embodiments, the first fluid conducting member 23 and/or the second fluid conducting member 24 may be, but is not limited to, a fluid conducting cotton sleeve or a porous ceramic sleeve.

Referring to fig. 1 and 2, in other embodiments, the atomizing support 21 has a fluid replenishing hole 26 communicating with the cavity 27, and the aerosol-forming substrate on the second fluid conducting member 24 can be transferred to the first fluid conducting member 23 through the fluid replenishing hole 26. In this embodiment, by providing the refill holes 26 in the atomizing support 21, aerosol-forming substrate on the second liquid guide 24 may be assisted in transport to the first liquid guide 23 via the refill holes 26 to further increase the rate at which the second liquid guide 24 transports aerosol-forming substrate to the first liquid guide 23. It can understand, the quantity of fluid infusion hole 26 can set up to a plurality ofly, and a plurality of fluid infusion hole 26 evenly distributed can improve drain speed on the one hand, and the another party can promote the homogeneity of drain, further avoids the atomizing core to take place the dry combustion carbonization.

Referring to fig. 1 and fig. 2, in some embodiments, the atomizing support 21 includes a support 211 and a support tube 212 disposed on the support 211, an inner cavity of the support tube 212 defines a cavity 27, the second liquid guide 24 and the heating element 22 are disposed in the support tube 212, the communication groove 25 and the fluid replenishing hole 26 are disposed on the support tube 212, the second liquid guide 24 is sleeved on an outer circumferential surface of the support tube 212, and the second liquid guide 24 covers the communication groove 25 and the fluid replenishing hole 26. Referring to fig. 1, 2 and 3, in other embodiments, a first end of the support tube 212 is fixedly connected to the support 211, a second end of the support tube 212 has an opening, and a guide slope 4 is provided on the support tube 212 at a connection of the opening and the communication groove 25. Due to the arrangement of the guiding inclined plane 4, the guiding inclined plane 4 can guide the first liquid guiding member 23 to be quickly arranged in the supporting tube 212, so that the assembly of the atomizing core is facilitated. Referring to fig. 3, in other embodiments, a plurality of communicating grooves 25 may be formed on the support tube 212, and the plurality of communicating grooves 25 may be symmetrically distributed on the side of the support tube 212 with the central axis of the support tube 212 as a symmetry axis, so as to increase a contact or connection area between the second liquid guide 24 and the first liquid guide 23, improve a transmission rate of the aerosol-forming substrate from the second liquid guide 24 to the first liquid guide 23, and facilitate processing.

Referring to fig. 1 to 9, an embodiment of the present invention further provides an atomizer, which includes the atomizing core structure according to any of the embodiments. The atomizer has all the technical characteristics of the atomizing core structure provided in any one of the embodiments, so that the atomizer has the same technical effects as the atomizing core structure.

Referring to fig. 5, fig. 7 and fig. 10, the atomizer provided in the embodiment of the present invention includes a liquid storage component 1, an atomizing core structure 2 and a porous medium 6, wherein a liquid storage cavity 13 is disposed inside the liquid storage component 1, and a smoke suction port 14 is further disposed on the liquid storage component 1. A porous medium 6 is provided in the reservoir 13, the porous medium 6 being adapted to adsorb the aerosol-forming substrate in the reservoir 13, and the porous medium 6 being adapted to bind or store the adsorbed aerosol-forming substrate in the porous medium 6. It is understood that the porous medium 6 mentioned in the embodiments of the present invention may be, but is not limited to, at least one of a porous cotton liquid guide, a porous sponge liquid guide, a porous glass fiber liquid guide, a porous ceramic liquid guide or a porous graphite liquid guide. In this embodiment, by providing a porous medium 6 in the reservoir 13, the porous medium 6 may adsorb the aerosol-forming substrate in the reservoir 13 and may bind the adsorbed aerosol-forming substrate in the porous medium 6. When the atomizer works, the aerosol forming substrate bound in the porous medium 6 can be slowly and uniformly transmitted to the atomizing core structure 2 through the porous medium 6, so that the flow velocity of the aerosol forming substrate entering the atomizing core structure 2 is reduced, the effect of uniform liquid feeding is achieved, and the dry burning is favorably avoided to improve the atomizing effect.

Referring to fig. 5 and 10, in some embodiments, the porous medium 6 is cylindrical, the porous medium 6 is axially provided with a sleeve hole 7, and the atomizing core structure 2 is inserted into the sleeve hole 7, so that the outer sidewall of the second liquid guiding member 24 is in close contact with the inner sidewall of the sleeve hole 7. The aerosol-forming substrate in the porous medium 6 may be stably and uniformly delivered to the second liquid-conducting member 24, enhancing the uniform stability of the porous medium 6 in delivering the aerosol-forming substrate into the atomizing wick structure 2, in use.

Referring further to fig. 5 and 7, in some embodiments, the liquid storage member 1 includes a cylindrical cartridge case 11 and a cartridge holder 12 mounted at an opening at a bottom end of the cartridge case 11, and a smoking opening 14 is formed at a top of the cartridge case 11 for a user to smoke. In order to enhance the sealing between the cartridge case 11 and the cartridge holder 12, the cartridge holder 12 is provided with a sealing member 5. In other embodiments, the atomizer further comprises a suction nozzle 15 disposed at the top of the liquid storage component 1, and the suction nozzle 15 is provided with a smoke suction port 14.

Referring further to fig. 5 and 7, in other embodiments, the atomizer further includes a ventilation tube 3 connecting the atomizing core structure 2 and the smoking opening 14, so that the smoke in the atomizing core structure 2 can be introduced into the smoking opening 14 through the ventilation tube 3. It can understand, ventilate pipe fitting 3 can be but not limited to glass fiber pipe fitting, because glass fiber pipe fitting itself has elasticity, when glass fiber pipe fitting overlaps in the atomizing support 21 outside, glass fiber pipe fitting's inside wall can closely laminate with the lateral wall of atomizing support 21, avoids atomizing support 21 and ventilate and appear fit-up gap between the pipe fitting 3. It should be noted that, referring to fig. 5 and fig. 7 in a further combination, when the liquid storage component 1 includes the cartridge case 11 and the cartridge seat 12, the atomizing support 21 is disposed in the cartridge case 11, and the atomizing support 21 is supported and fixed on the cartridge seat 12, so that the liquid storage cavity 13 is defined by the portion inside the cartridge case 11 outside the atomizing support 21 and the ventilation tube 3. It should be noted that the atomizing support 21 may be, but is not limited to, a tubular support.

Referring to fig. 6 and 8, the first end of the ventilation tube 3 is connected to the smoking opening 14, and the second end of the ventilation tube 3 is sleeved on the outer side of the atomizing support 21. Because the outside of atomizing support 21 is located to the second pot head of pipe fitting 3 of ventilating, can be so that form the face contact of closely laminating between the inside wall of pipe fitting 3 of ventilating and the outside of atomizing support 21, stability between pipe fitting 3 and the atomizing support 21 of reinforcing ventilating avoids having the fit-up gap between pipe fitting 3 of ventilating and the atomizing support 21, reduces the weeping risk.

Referring to fig. 5, in some embodiments, the ventilation tube 3 includes a first tube 31 and a second tube 32 connected to the first tube 31, an end of the first tube 31 facing away from the second tube 32 extends to the smoke suction port 14, and an end of the second tube 32 facing away from the first tube 31 is sleeved outside the atomizing frame 21. In this embodiment, the ventilation tube 3 includes a first tube 31 and a second tube 32, one end of the first tube 31 departing from the second tube 32 extends to the smoke suction port 14, one end of the second tube 32 departing from the first tube 31 is sleeved on the outer side of the atomization support 21, and the other end of the first tube 31 is connected to the other end of the second tube 32. It is understood that the other end of the first pipe 31 and the other end of the second pipe 32 can be connected by an integral structure, or can be fixedly connected by welding.

Referring to fig. 7, in other embodiments, the ventilation tube 3 includes a first tube 31 and a second tube 32, one end of the first tube 31 extends to the smoke suction opening 14, the other end of the first tube 31 is inserted into the atomization support 21, one end of the second tube 32 is sleeved on the outer side of the first tube 31, and the other end of the second tube 32 is sleeved on the outer side of the atomization support 21. In this embodiment, the ventilation tube 3 includes a first tube 31 and a second tube 32, one end of the first tube 31 extends to the smoking opening 14, and the other end of the first tube 31 is inserted inside the atomizing support 21, so that the first tube 31 forms an airflow channel for communicating the atomizing chamber with the smoking opening 14. Moreover, one end of the second pipe 32 is sleeved outside the first pipe 31, and the other end of the second pipe 32 is sleeved outside the atomizing support 21, so that the assembling gap between the first pipe 31 and the atomizing support 21 can be sealed, and the liquid leakage risk can be reduced.

It will be appreciated that in other embodiments, the second tube 32 is a sealing sleeve with elasticity to enhance the sealing performance of the second tube 32. Certainly, first pipe fitting 31 or second pipe fitting 32 are the fine pipe fitting of glass that itself has elasticity to make first pipe fitting 31 or second pipe fitting 32 closely laminate with the corresponding lateral wall of atomizing support 21, avoid appearing the fit-up gap and effectively prevent the weeping. It should be noted that the first tube 31 may be made of glass fiber, and the second tube 32 may also be made of glass fiber.

The embodiment of the utility model provides a still provide an aerosol generating device, this aerosol generating device includes the atomizer that any embodiment of the aforesaid provided. 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 exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. An atomizing core structure, comprising:

a heating element for generating heat after being electrified and heating and atomizing the aerosol-forming substrate;

the atomizing support is internally provided with a cavity, and the heating body is accommodated in the cavity;

the first liquid guide piece is used for transmitting aerosol to the heating body to form a matrix, and the first liquid guide piece is arranged in the cavity; and

the second liquid guide piece is sleeved on the atomization support;

wherein, be equipped with the intercommunication groove of intercommunication cavity on the atomizing support to make aerosol formation substrate on the second drain spare can directly transmit to first drain spare.

2. The atomizing core structure of claim 1, wherein the first liquid-conducting member includes an inner liquid-conducting sleeve and an outer liquid-conducting sleeve which are nested, and the inner liquid-conducting sleeve is sleeved on the outer peripheral surface of the heating element.

3. The atomizing core structure of claim 2, wherein the inner liquid-guiding sleeve is composed of a first liquid-guiding cotton cloth wound around the heating element, and the outer liquid-guiding sleeve is composed of a second liquid-guiding cotton cloth wound around the outer circumferential surface of the inner liquid-guiding sleeve; the second drain cotton cloth passes behind the intercommunication groove and twine in on the atomizing support to constitute the cover and locate on the atomizing support the second drain spare.

4. The atomizing core structure of claim 3, wherein the first liquid-guiding cotton cloth is a high-temperature-resistant flax fiber cloth.

5. The atomizing core structure of claim 3, wherein the second liquid-permeable cotton cloth is a non-woven cloth.

6. An atomizing wick structure according to claim 1, wherein the atomizing support has a fluid replacement orifice communicating with the cavity, and the aerosol-forming substrate on the second fluid conducting member is transferable to the first fluid conducting member via the fluid replacement orifice.

7. The atomizing core structure according to any one of claims 1 to 6, characterized in that the atomizing support includes a support base and a support tube provided on the support base, the inner cavity of the support tube defines the cavity, the second liquid guide and the heating element are provided in the support tube, the second liquid guide is sleeved on the outer circumferential surface of the support tube, and the communication groove is provided on the support tube.

8. The atomizing core structure of claim 7, wherein the first end of the support tube is fixedly connected to the support, the second end of the support tube has an opening, and the support tube is provided with a guide slope at a junction of the opening and the communication groove.

9. An atomizer, characterized in that it comprises an atomizing core structure according to any one of claims 1 to 8.

10. An aerosol generating device comprising an atomising wick structure according to any of claims 1 to 8 or an atomiser according to claim 9.

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