WO2023077851A1

WO2023077851A1 - Atomization core and aerosol generation device

Info

Publication number: WO2023077851A1
Application number: PCT/CN2022/104263
Authority: WO
Inventors: 邓超; 黄欣荣
Original assignee: 深圳市吉迩科技有限公司
Priority date: 2021-11-03
Filing date: 2022-07-07
Publication date: 2023-05-11
Also published as: CN113974226A

Abstract

An atomization core and an aerosol generation device. The atomization core comprises a support (100), a liquid suction tube (200), a heating element (300) and a liquid guide member (400), wherein the interior of the support (100) is provided with an airflow cavity (101); the liquid suction tube (200), the heating element (300) and the liquid guide member (400) are connected to the support (100), and are located in the airflow cavity (101); the heating element (300) is connected to the liquid guide member (400); the liquid suction tube (200) is provided with a first through-hole (201), a second through-hole (202) and an air outlet (203); the second through-hole (202) is provided in a side wall of the liquid suction tube (200), and the second through-hole (202) is located between the first through-hole (201) and the air outlet (203), such that a condensed liquid in the airflow cavity (101) enters a tube inner cavity of the liquid suction tube (200) by means of the first through-hole (201); and the tube inner cavity of the liquid suction tube (200) is in communication with the atmosphere by means of the air outlet (203), the tube inner cavity of the liquid suction tube (200) is in communication with the airflow cavity (101) by means of the second through-hole (202), and the second through-hole (202) is arranged corresponding to the heating element (300).

Description

An atomizing core and an aerosol generating device

technical field

The present application relates to the technical field of aerosol generation, and more specifically, to an atomizing core and an aerosol generating device.

Background technique

The atomizing core is a device installed in the aerosol generating device, which generates aerosol by conducting the aerosol generating substrate to the position of the heating element and heating the aerosol generating substrate.

In the prior art, when the atomizing core forms an aerosol, it will also form condensed liquid inside the atomizing core. After the condensed liquid accumulates in the atomizing core for a long time, when the user inhales, the condensed liquid is easily absorbed by the external suction. It is inhaled into the user's mouth together with the aerosol, affecting the user's smoking experience. In order to improve the smoking experience, the existing atomizing core generally requires the user to manually clean the condensed liquid. The condensed liquid is generally a mixture of water and the aerosol-generating substrate. If the user manually cleans the condensed liquid directly, it will cause the aerosol-generating substrate waste.

Contents of the invention

The technical problem to be solved by the embodiment of the present application is that the existing atomization core needs to manually clean the condensed liquid, which will cause waste of the aerosol generating substrate.

In order to solve the above technical problems, the embodiment of the present application provides an atomizing core, which adopts the following technical solutions:

The atomizing core includes: a bracket, a suction pipe, a heating element and a liquid guide;

The inside of the bracket is provided with an air flow cavity, the liquid suction pipe, the heating element and the liquid guide are connected to the bracket and located in the air flow cavity, and the liquid guide is used to communicate with the aerosol Substrate contact occurs, so that the aerosol-generating substrate enters the interior of the liquid-guiding member, the heating element is connected to the liquid-guiding member, and the heating element is used to heat the aerosol-generating substrate that enters the liquid-guiding member materials to generate aerosols;

The suction pipe is provided with a first through hole, a second through hole and an air outlet, the second through hole is opened on the side wall of the liquid suction pipe, and the second through hole is located in the first through hole. Between the hole and the air outlet, the condensed liquid in the air flow cavity enters the inner cavity of the pipette through the first through hole, and the inner cavity of the pipette passes through the air outlet It communicates with the atmosphere, and the inner cavity of the pipette is communicated with the air flow chamber through the second through hole, and the second through hole is arranged correspondingly to the heating element.

Further, the first through hole is arranged on the side wall of the suction tube, the bottom of the suction tube is located in the bottom of the bracket and connected to the bottom of the bracket, the bottom of the suction tube The bottom end is sealed;

The bottom of the bracket is provided with a groove, the groove is arranged towards the heating element, and the first through hole is located in the groove.

Further, the number of the second through holes is multiple, and the multiple second through holes are distributed along the length direction of the pipette.

Further, the liquid suction pipe is made of heat-conducting material.

Further, the liquid guiding part is cylindrical, the heating element is attached to the inner side wall of the liquid guiding part, the suction pipe is arranged coaxially with the liquid guiding part, and the second channel The holes are distributed around the circumference of the pipette.

Further, the number of the first through holes is multiple, and the multiple first through holes are distributed around the circumference of the pipette.

Further, the bracket is provided with an air inlet and an exhaust port, the air inlet is opened on the side wall of the bracket, and the exhaust port is arranged on the top of the bracket, so that the air is subjected to external Under the action of suction, it enters the airflow chamber from the air inlet and is discharged through the exhaust port. The air outlet is arranged on the top of the suction pipe, and the top of the suction pipe is located in the exhaust port.

Further, the bracket includes a shell and a base, the base is connected to the bottom of the shell, the bottom of the suction pipe is fixedly connected to the base, and the shell is sleeved on the outside of the liquid guide Above, the housing is provided with an oil inlet hole, and the oil inlet hole is set correspondingly to the liquid guide member, so that the aerosol generating substrate enters the liquid guide member through the oil inlet hole.

Further, the bracket further includes an outer cover, and the outer cover is sleeved on the outer side of the outer shell.

In order to solve the above technical problems, the embodiment of the present application also provides an aerosol generating device, which adopts the following technical solution:

The aerosol generating device includes the atomizing core described in any one of the solutions above.

Compared with the prior art, the embodiments of the present application mainly have the following beneficial effects:

In the embodiment of the present application, a liquid suction tube is provided in the air flow chamber, and a first through hole and an air outlet are provided in the liquid suction pipe, so that the condensed liquid formed in the air flow chamber can enter the suction liquid from the first through hole under the action of suction. in the lumen of the tube. And by setting the second through hole on the side wall of the suction pipe, the condensed liquid can be atomized for the second time under the heating of hot air, so as to achieve the effect of secondary utilization of the aerosol generating substrate in the condensed liquid, and also realize The automatic cleaning of the condensed liquid in the atomizing core reduces the excessive accumulation of condensed liquid, does not require the user to manually clean the condensed liquid, avoids the waste of aerosol substrates, provides convenience for users, and greatly improves the user experience .

Description of drawings

In order to illustrate the solution of the present application more clearly, a brief introduction will be given below to the accompanying drawings that need to be used in the description of the embodiments. Obviously, the accompanying drawings in the following description are some embodiments of the present application. As far as people are concerned, other drawings can also be obtained based on these drawings on the premise of not paying creative work.

Fig. 1 is a schematic diagram of the front structure of the atomization core provided by the embodiment of the present application;

Fig. 2 is a top view of the atomizing core shown in Fig. 1;

Fig. 3 is the sectional view of A-A place among Fig. 2;

Fig. 4 is the sectional view of B-B place among Fig. 2;

Fig. 5 is an exploded view of the atomizing core shown in Fig. 1 .

Reference signs:

100, bracket; 101, air flow chamber; 102, air inlet; 103, exhaust port; 110, shell; 111, oil inlet; 120, base; 121, electrode; 122, insulating ring; 1201, groove; 130 , outer cover; 131, third through hole; 200, suction pipe; 201, first through hole; 202, second through hole; 203, air outlet; 300, heating element; 400, liquid guide; a, condensed liquid .

Detailed ways

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of the application; the terms used herein in the description of the application are only for the purpose of describing specific embodiments , is not intended to limit the present application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and the description of the above drawings are intended to cover non-exclusive inclusion. The terms "first", "second" and the like in the description and claims of the present application or the above drawings are used to distinguish different objects, rather than to describe a specific order.

Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The occurrences of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is understood explicitly and implicitly by those skilled in the art that the embodiments described herein can be combined with other embodiments.

The embodiment of the present application provides an atomizing core, referring to FIG. 1 to FIG. 5 , including a bracket 100 , a suction tube 200 , a heating element 300 and a liquid guide 400 ;

The inside of the bracket 100 is provided with an air flow cavity 101, the liquid suction tube 200, the heating element 300 and the liquid guide 400 are connected to the bracket 100 and are located in the air flow cavity 101, and the liquid guide 400 is used for contacting the aerosol with the base material, so that The aerosol-generating substrate enters the interior of the liquid-guiding member 400, the heating element 300 is connected to the liquid-guiding member 400, and the heating element 300 is used to heat the aerosol-generating substrate entering the liquid-guiding member 400 to generate an aerosol;

The pipette 200 is provided with a first through hole 201, a second through hole 202 and an air outlet 203, the second through hole 202 is opened on the side wall of the pipette 200, and the second through hole 202 is located between the first through hole 201 and the air outlet 203. Between the air outlets 203, the condensed liquid a in the airflow cavity 101 enters the inner cavity of the pipette 200 through the first through hole 201, and the inner chamber of the pipette 200 communicates with the atmosphere through the air outlet 203, and the liquid suction pipe The inner cavity of the tube 200 communicates with the air flow chamber 101 through the second through hole 202 , and the second through hole 202 is arranged corresponding to the heating element 300 .

Understandably, the working principle of the atomizing core is as follows:

The liquid-guiding element 400 makes the aerosol-generating substrate enter the liquid-guiding element 400 by contacting the aerosol-generating substrate, and the heating element 300 heats the liquid-guiding element 400 to make the aerosol that enters the liquid-guiding element 400 generate The substrate can be heated by the heating element 300 to generate an aerosol. When the user is not inhaling, the aerosol is contained in the airflow chamber 101 , and when the user is inhaling the aerosol, a suction force will be generated on the airflow chamber 101 to absorb the aerosol in the airflow chamber 101 .

Since the inner cavity of the pipette 200 communicates with the atmosphere through the air outlet 203, that is, when the user applies suction to the airflow chamber 101, he will also generate suction to the air in the pipette 200, so that the air in the pipette 200 It will be discharged from the air outlet 203, so that the inside of the liquid suction pipe 200 is in a negative pressure state, and under the action of the airflow between the vent hole and the air outlet hole, the condensed liquid a moves in the liquid suction pipe 200 towards the air outlet 203. Since the inner cavity of the pipette 200 communicates with the air flow chamber 101 through the second through hole 202, and the second through hole 202 is set correspondingly to the heating element 300, the heating element 300 will generate heat during the process of heating the liquid guide 400. The air surrounding the body 300 is heated to form hot air. Hot air enters the inner cavity of the liquid suction pipe 200 from the second through hole 202, and when the condensed liquid a moves to the air outlet 203, it will be heated by the hot air in the liquid suction pipe 200 to carry out secondary atomization Gas is formed, and the atomized gas is discharged from the gas outlet 203, thereby completing the cleaning of the condensed liquid a.

Compared with the prior art, the atomizing core has at least the following technical effects:

In the embodiment of the present application, a liquid suction pipe 200 is provided in the air flow chamber 101, and a first through hole 201 and an air outlet 203 are provided in the liquid suction pipe 200, so that the condensed liquid a formed in the air flow chamber 101 can be drawn from the first through hole 203 under the action of suction. A through hole 201 enters into the inner cavity of the pipette 200 . And by setting the second through hole 202 on the side wall of the liquid suction pipe 200, the condensed liquid a can be atomized twice under the heating of hot air, and the secondary utilization of the aerosol generating substrate in the condensed liquid a is achieved. The effect is to avoid the waste of the aerosol base material, and it can also realize the automatic cleaning of the condensed liquid a in the atomizing core, reduce the excessive accumulation of the condensed liquid a, and do not need the user to manually clean the condensed liquid a, which provides convenience for the user. Greatly improved user experience.

As shown in FIGS. 1 to 5 , in one embodiment, the first through hole 201 is disposed on the side wall of the pipette 200 , and the bottom of the pipette 200 is located in the bottom of the bracket 100 and connected to the bottom of the bracket 100 , The bottom end of the pipette 200 is sealed. The bottom of the bracket 100 is provided with a groove 1201 , and the groove 1201 is set toward the heating element 300 . The bottom end of the pipette 200 is fixedly connected to the bottom of the bracket 100 , and the first through hole 201 is located in the groove 1201 . Specifically, in this embodiment, the condensed liquid a formed in the airflow cavity 101 can flow into the groove 1201 along the heating element 300, and since the first through hole 201 is located in the groove 1201, the condensed liquid a can flow from the first through hole 201 to the groove 1201. A through hole 201 flows into the inner cavity of the pipette 200, and flows along the pipette 200 to the bottom of the pipette 200. Since the bottom end of the pipette 200 is sealed, when the condensed liquid a is not affected When the suction acts, at least a part of the condensed liquid a will be stored at the bottom of the suction pipe 200 . When the user applies suction to the pipette 200 , the condensed liquid a entering the pipette 200 through the first through hole 201 is sucked and moved toward the air outlet 203 driven by the airflow. By setting the groove 1201 at the bottom of the bracket 100 and setting the bottom of the suction tube 200 in the bottom of the bracket 100 , it is possible to prevent the condensate from leaking out of the air flow chamber 101 and ensure the safety of the product.

In this embodiment, the bottom of the suction tube 200 is docked with the bottom of the bracket 100 , so that the bottom of the bracket 100 blocks the bottom outlet of the suction tube 200 , so that the bottom of the suction tube 200 forms a seal. Of course, in other embodiments, the bottom end of the pipette 200 can also be sealed by providing sealing silica gel or other sealing structures at the bottom end of the pipette 200 .

In other embodiments, the liquid suction pipe 200 can also be fixedly connected to the bracket 100 through other fixing structures, so that the first through hole 201 can be arranged on the bottom end of the liquid suction pipe 200, and the condensed liquid a can also pass through the first through hole. The through hole 201 enters into the pipette 200 .

In one embodiment, there are multiple second through holes 202 , and the multiple second through holes 202 are distributed along the length direction of the pipette 200 . In this embodiment, the diameter of the second through hole 202 is smaller than the diameter of the first through hole 201 . A plurality of second through holes 202 are distributed along the length direction of the liquid suction pipe 200, so that hot air from different positions enters the inner cavity of the liquid suction pipe 200, and it is also beneficial to divide the condensed liquid with large particles into condensed liquid with small particles , improve heating efficiency: after the condensed liquid a is sucked to the position of the second through hole 202 in the inner cavity of the liquid suction pipe 200, under the action of suction, hot air will enter the liquid suction pipe 200 from the second through hole 202 Squeeze the condensed liquid in the inner cavity of the pipe, so that the large-particle condensed liquid entering the inner cavity of the pipette 200 from the first through hole 201 can be broken up to form relatively small condensed liquid, and broken up into small particles After the liquid is condensed, the contact area between the hot air and the condensed liquid a can be increased, and the secondary atomization efficiency of the condensed liquid a can be improved. At the same time, part of the condensed liquid a may splash out from the second through hole 202 under the pressure of the gas Into the heating element 300, the heating element 300 heats the splashed condensed liquid for secondary atomization and then discharges it.

It should be noted that the large-particle condensed liquid described in this application is relative to the small-particle condensed liquid formed after the gas enters and is divided, that is, the liquid column volume of the single-stage condensed liquid after division is always larger than that of the whole before division. The liquid column of the condensed liquid is small in volume, so in this application, the liquid column of the single-stage condensed liquid after separation is called the small-particle condensed liquid, and the liquid column of the entire condensed liquid before division is called the large-particle condensed liquid.

In this embodiment, the liquid suction tube 200 is made of heat conducting material. Using the liquid suction pipe 200 with heat conduction function, when the condensed liquid a enters the heating area where the heating element 300 is located, it can receive the heat conducted by the liquid suction pipe 200, and the condensed liquid a can be treated by fixed contact with the liquid Heating is carried out, so that the condensed liquid a can be heated and atomized to form gas to be discharged faster, and the atomization efficiency of the condensed liquid a is improved.

It can be understood that in this embodiment, a plurality of second through holes 202 are provided on the liquid suction pipe 200 with thermal conductivity, which can increase the contact area between the liquid suction pipe 200 and hot air, and improve the temperature rise of the side wall of the liquid suction pipe 200. speed.

In one embodiment, the liquid guide 400 is cylindrical, the heating element 300 is attached to the inner wall of the liquid guide 400, the liquid suction tube 200 is a circular tube, and the liquid suction tube 200 is the same as the liquid guide 400. The shaft is arranged, and the second through holes 202 are distributed on the pipette 200 in a circumferential manner. Specifically, the cylindrical liquid guiding member 400 can make the space structure more compact, and at the same time can have a larger heating range and increase the amount of atomization. The liquid suction tube 200 is in the shape of a circular tube, and is arranged coaxially with the liquid guiding member 400, so that the heating element 300 can surround the outside of the liquid suction tube 200 after being attached to the liquid guiding member 400, and the second through hole 202 is in the The pipette 200 is distributed around the circumference, so that more hot air can enter the pipette 200 through the second through hole 202, increase the temperature of the inner cavity of the pipette 200, and increase the rate of heating the condensed liquid a, The formation of condensed liquid in the pipette 200 is also avoided.

In this embodiment, there are multiple first through holes 201 , and the multiple first through holes 201 are distributed around the pipette 200 in a circumferential manner. Specifically, the number of the first through holes 201 is four, and the four first through holes 201 are distributed on the side wall of the liquid suction pipe 200 in a circumferential manner, so that the condensed liquid a flowing into the groove 1201 from the heating element 300 can It enters into the inner cavity of the pipette 200 from the first through hole 201 .

In one embodiment, the bracket 100 is provided with an air inlet 102 and an air outlet 103, the air inlet 102 is provided on the side wall of the bracket 100, and the air outlet 103 is arranged on the top of the bracket 100, so that the air is exposed to the outside Under the action of suction, it enters the airflow cavity 101 from the air inlet 102 and is discharged through the exhaust port 103.

Specifically, the top of the liquid suction pipe 200 is located in the exhaust port 103, so that the air outlet 203 and the exhaust port 103 can receive external suction at the same time, and under the action of suction, the external air enters the airflow chamber 101 from the air inlet 102 and carry the aerosol from the airflow cavity 101 to be discharged from the exhaust port 103 for the user to suck. The liquid pipe 200 sucks up.

Further, the number of air inlets 102 is two, and the two air inlets 102 are symmetrically arranged on the bracket 100 with respect to the central axis of the pipette 200 . The two symmetrical air inlets 102 can make the air evenly enter into the airflow chamber 101 to ensure that the airflow in the airflow chamber 101 is evenly distributed, and the aerosol can be dispersed when discharged from the exhaust port 103, and the atomization effect is better.

In one embodiment, the bracket 100 includes a shell 110 and a base 120, the base 120 is connected to the bottom of the shell 110, the bottom of the suction tube 200 is fixedly connected to the base 120, the shell 110 is sleeved on the outside of the liquid guide 400, the shell 110 is provided with an oil inlet hole 111 , and the oil inlet hole 111 is set correspondingly to the liquid guide member 400 , so that the aerosol generating substrate can enter the liquid guide member 400 through the oil inlet hole 111 . Specifically, by fixing the liquid suction tube 200 on the base 120, the displacement of the liquid suction tube 200 in the support 100 is avoided. Even if a large suction force is applied, the liquid guide 400 is always fixed on the support 100, and the condensed liquid a The role of drainage and suction. In this embodiment, the exhaust port 103 is disposed on the casing 110 .

Further, in this embodiment, the base 120 includes an electrode 121 and an insulating ring 122 , the insulating ring 122 is sheathed on the outside of the electrode 121 and is located at the connection between the electrode 121 and the bracket 100 . The top of the electrode 121 is surrounded by the inner wall of the insulating ring 122 to form a groove 1201 , and the bottom of the pipette 200 is inserted into the electrode 121 and fixedly connected to the electrode 121 .

In this embodiment, the bracket 100 further includes an outer cover 130 , and the outer cover 130 is sleeved on the outer side of the outer shell 110 . The outer cover 130 protects the casing 110 . In this embodiment, the outer cover 130 is provided with a third through hole 131 corresponding to the oil inlet hole 111 , and the aerosol generating substrate enters into the liquid guide 400 through the third through hole 131 and the oil inlet hole 111 in sequence.

Based on the above-mentioned atomizing core, an embodiment of the present application further provides an aerosol generating device, the aerosol generating device includes the atomizing core provided in any one of the above-mentioned embodiments.

Apparently, the embodiments described above are only some of the embodiments of the present application, not all of them. The drawings show preferred embodiments of the present application, but do not limit the patent scope of the present application. The present application can be implemented in many different forms, on the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or perform equivalent replacements for some of the technical features . All equivalent structures made using the contents of the description and drawings of this application, directly or indirectly used in other related technical fields, are also within the scope of protection of this application.

Claims

An atomizing core, including:

Brackets, suction tubes, heating elements and liquid guides;

The inside of the bracket is provided with an air flow cavity, the liquid suction pipe, the heating element and the liquid guide are connected to the bracket and located in the air flow cavity, and the liquid guide is used to communicate with the aerosol Substrate contact occurs, so that the aerosol-generating substrate enters the interior of the liquid-guiding member, the heating element is connected to the liquid-guiding member, and the heating element is used to heat the aerosol-generating substrate that enters the liquid-guiding member materials to generate aerosols;

The suction pipe is provided with a first through hole, a second through hole and an air outlet, the second through hole is opened on the side wall of the liquid suction pipe, and the second through hole is located in the first through hole. Between the hole and the air outlet, the condensed liquid in the air flow cavity enters the inner cavity of the pipette through the first through hole, and the inner cavity of the pipette passes through the air outlet It communicates with the atmosphere, and the inner cavity of the pipette is communicated with the air flow chamber through the second through hole, and the second through hole is arranged correspondingly to the heating element.
The atomizing core according to claim 1, wherein the first through hole is disposed on the side wall of the liquid suction tube, the bottom of the liquid suction tube is located in the bottom of the bracket, and is connected to the bracket The bottom of the pipette is connected, and the bottom end of the suction pipe is sealed;

The bottom of the bracket is provided with a groove, the groove is arranged towards the heating element, and the first through hole is located in the groove.
The atomizing core according to claim 2, wherein there are multiple second through holes, and the plurality of second through holes are distributed along the length direction of the liquid suction tube.
The atomizing core according to claim 3, wherein the liquid suction pipe is made of heat-conducting material.
The atomizing core according to claim 3, wherein the liquid guiding element is cylindrical, the heating element is attached to the inner side wall of the liquid guiding element, and the liquid suction tube is connected to the liquid guiding element The parts are arranged coaxially, and the second through holes are distributed around the circumference of the pipette.
The atomizing core according to claim 5, wherein the number of the first through holes is multiple, and the plurality of first through holes are distributed around the circumference of the liquid suction tube.
The atomizing core according to claim 1, wherein the bracket is provided with an air inlet and an exhaust port, the air inlet is opened on the side wall of the bracket, and the exhaust port is arranged on the the top of the bracket, so that the air enters the air flow chamber from the air inlet under the action of external suction, and is discharged through the air outlet, and the air outlet is arranged on the top of the suction pipe. The top of the pipette is located in the vent.
The atomizing core according to claim 2, wherein the bracket is provided with an air inlet and an air outlet, the air inlet is opened on the side wall of the bracket, and the air outlet is arranged on the the top of the bracket, so that the air enters the air flow chamber from the air inlet under the action of external suction, and is discharged through the air outlet, and the air outlet is arranged on the top of the suction pipe. The top of the pipette is located in the vent.
The atomizing core according to claim 3, wherein, the bracket is provided with an air inlet and an exhaust port, the air inlet is opened on the side wall of the bracket, and the exhaust port is arranged on the the top of the bracket, so that the air enters the air flow chamber from the air inlet under the action of external suction, and is discharged through the air outlet, and the air outlet is arranged on the top of the suction pipe. The top of the pipette is located in the vent.
The atomizing core according to claim 1, wherein the support includes a shell and a base, the base is connected to the bottom of the shell, the bottom of the suction pipe is fixedly connected to the base, and the shell Sleeved on the outer side of the liquid guide, the shell is provided with an oil inlet, the oil inlet is set corresponding to the liquid guide, so that the aerosol generating substrate enters the in the fluid guide.
The atomizing core according to claim 10, wherein the bracket further comprises an outer cover, and the outer cover is sleeved on the outer side of the outer shell.
The atomizing core according to claim 2, wherein the support includes a shell and a base, the base is connected to the bottom of the shell, the bottom of the suction pipe is fixedly connected to the base, and the shell Sleeved on the outer side of the liquid guide, the shell is provided with an oil inlet, the oil inlet is set corresponding to the liquid guide, so that the aerosol generating substrate enters the in the fluid guide.
An aerosol generating device, including an atomizing core; the atomizing core includes:

Brackets, suction tubes, heating elements and liquid guides;

The inside of the bracket is provided with an air flow cavity, the liquid suction pipe, the heating element and the liquid guide are connected to the bracket and located in the air flow cavity, and the liquid guide is used to communicate with the aerosol Substrate contact occurs, so that the aerosol-generating substrate enters the interior of the liquid-guiding member, the heating element is connected to the liquid-guiding member, and the heating element is used to heat the aerosol-generating substrate that enters the liquid-guiding member materials to generate aerosols;

The suction pipe is provided with a first through hole, a second through hole and an air outlet, the second through hole is opened on the side wall of the liquid suction pipe, and the second through hole is located in the first through hole. Between the hole and the air outlet, the condensed liquid in the air flow cavity enters the inner cavity of the pipette through the first through hole, and the inner cavity of the pipette passes through the air outlet It communicates with the atmosphere, and the inner cavity of the pipette is communicated with the air flow chamber through the second through hole, and the second through hole is arranged correspondingly to the heating element.
The aerosol generating device according to claim 13, wherein the first through hole is arranged on the side wall of the pipette, and the bottom of the pipette is located in the bottom of the bracket, and is connected with the The bottom of the bracket is connected, and the bottom end of the suction pipe is sealed;

The bottom of the bracket is provided with a groove, the groove is arranged towards the heating element, and the first through hole is located in the groove.
The aerosol generating device according to claim 14, wherein there are multiple second through holes, and the plurality of second through holes are distributed along the length direction of the pipette.
The aerosol generating device according to claim 15, wherein the pipette is made of a thermally conductive material.
The aerosol generating device according to claim 15, wherein the liquid guide is cylindrical, the heating element is attached to the inner side wall of the liquid guide, and the liquid suction tube and the guide The liquid part is arranged coaxially, and the second through holes are distributed around the circumference of the suction pipe.
The aerosol generating device according to claim 17, wherein the number of the first through holes is multiple, and the plurality of first through holes are distributed around the circumference of the pipette.
The aerosol generating device according to claim 13, wherein, the bracket is provided with an air inlet and an exhaust port, the air inlet is provided on the side wall of the bracket, and the exhaust port is arranged on the side wall of the bracket. the top of the bracket, so that the air enters the air flow chamber from the air inlet under the action of external suction, and is discharged through the exhaust port, and the air outlet is arranged on the top of the suction pipe , the top of the pipette is located in the vent.
The aerosol generating device according to claim 13, wherein the support includes a housing and a base, the base is connected to the bottom of the housing, the bottom of the suction pipe is fixedly connected to the base, the The shell is sleeved on the outer side of the liquid guide, and the shell is provided with an oil inlet, and the oil inlet is set corresponding to the liquid guide, so that the aerosol generating substrate enters the liquid through the oil inlet. in the liquid guide.