WO2024031574A1

WO2024031574A1 - Electronic atomization device and atomizer thereof

Info

Publication number: WO2024031574A1
Application number: PCT/CN2022/111915
Authority: WO
Inventors: 万济民; 金虎; 陈松开
Original assignee: 江门思摩尔新材料科技有限公司
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2024-02-15

Abstract

An electronic atomization device and an atomizer (100) thereof. The atomizer (100) comprises a housing (1), a top atomization cover (2), an atomization base (3), an atomization core (4) and a first sealing member (6), wherein the housing (1) has a mounting space (12); the top atomization cover (2) is arranged in the mounting space (12), and the top atomization cover (2) cooperates with the mounting space (12) to form a liquid storage cavity (13); the atomization base (3) is arranged on the side of the top atomization cover (2) that is away from the liquid storage cavity (13), and the atomization base (3) cooperates with the top atomization cover (2) to form an accommodating cavity (21); the atomization core (4) is arranged in the accommodating cavity (21) and is configured to heat an aerosol generating substrate stored in the liquid storage cavity (13); and the first sealing member (6) is arranged between the atomization core (4) and the atomization base (3) and/or between the top atomization cover (2) and the atomization base (3). By providing the first sealing member (6), the gap between the end of the atomization core (4) away from the liquid storage cavity (13) and the end of the atomization base (3) close to the liquid storage cavity (13) and/or the gap between the end of the top atomization cover (2) away from the liquid storage cavity (13) and the end of the atomization base (3) close to the liquid storage cavity (13) are/is sealed, thereby preventing a condensate formed by aerosol from flowing out of the atomizer (100) to cause liquid leakage.

Description

Electronic atomization device and its atomizer

Technical field

The present application relates to the technical field of electronic atomizers, and in particular to an electronic atomizer device and its atomizer.

Background technique

An electronic atomizer is an electronic product that heats an aerosol-generating substrate and atomizes it into an aerosol for smoking. Electronic atomization devices usually use a porous ceramic body as a capillary conductive element to absorb liquid to absorb the liquid matrix, and heat at least part of the liquid matrix in the porous ceramic body to generate an aerosol through a heating element provided on the atomization surface of the porous ceramic body.

In known electronic atomization devices, there is a large amount of aerosol loss during the transmission process, resulting in a low aerosol volume and the production of more condensate. At the same time, due to structural limitations, the condensate easily flows out of the atomizer and generates Leakage phenomenon. Although the existing technology also uses multiple sealing methods and ventilation methods to prevent liquid leakage, its ventilation channel form and sealing structure still cannot meet the environmental test of temperature and pressure fluctuations. Therefore, it is necessary to design a large sol volume, anti- An electronic atomizer with good leakage performance.

Contents of the invention

The main technical problem solved by this application is to provide an electronic atomization device and its atomizer to solve the problem in the prior art that the aerosol is lost in large amounts during the transmission process and is prone to leakage.

In order to solve the above technical problems, the first technical solution provided by this application is to provide an atomizer, which includes:

Shell, with installation space;

The atomization top cover is arranged in the installation space, and the atomization top cover cooperates with the installation space to form a liquid storage cavity;

The atomization base is arranged on the side of the atomization top cover away from the liquid storage chamber. The atomization base and the atomization top cover cooperate to form a receiving cavity;

The atomization core is installed in the receiving chamber and used to heat the aerosol-generating matrix stored in the liquid storage chamber;

The first sealing member is provided between the atomizing core and the atomizing base and/or between the atomizing top cover and the atomizing base, and is at least used to seal the atomizing core and/or the atomizing top cover and the atomizing base. the gap between.

Among them, the first sealing member is provided between the atomization core and the atomization base, and between the atomization top cover and the atomization base; One end of the liquid chamber is in close contact with the first sealing member.

Wherein, the first sealing member is an integrally formed structure and is at least partially disposed at an end of the receiving cavity away from the liquid storage cavity.

Wherein, the first sealing member cover is provided at one end of the atomization base close to the liquid storage chamber to seal the gap between the end of the atomization top cover away from the liquid storage chamber and the end of the atomization base close to the liquid storage chamber.

Wherein, the first sealing member is provided at an end of the receiving chamber away from the liquid storage chamber to seal the gap between the end of the atomization core away from the liquid storage chamber and the end of the atomization base close to the liquid storage chamber.

Among them, the first sealing member is provided with a mounting hole, and one end of the atomizing core away from the liquid storage chamber is inserted into the mounting hole, and the inner wall surface of the mounting hole is in close contact with the outer wall surface of the atomizing core, sealing the outer wall of the atomizing core and The gap between the atomizer bases.

Among them, the atomization top cover includes liquid outlet channels and through holes arranged at intervals. The through holes include a first channel and a second channel that are directly connected. The first channel is located away from the atomization base, and the second channel is close to the atomizer. The base is provided; one end of the liquid outlet channel is connected with the liquid storage chamber, and at least part of the atomizer core covers the other end of the liquid outlet channel away from the liquid storage chamber;

The second section of the passage serves as part of the containment chamber;

Or the end surface of the second section of the channel away from the liquid storage chamber is used as part of the interface between the receiving chamber and the atomizer top cover.

Wherein, the second section of the channel has a first constriction structure, and the first section of the channel is in a direction from the end of the second section of the channel away from the first section of the channel to the end of the second section of the channel close to the first section of the channel, and the second section of the channel is The cross-sectional area of the segment channel gradually decreases.

Among them, the atomizing core includes a tubular liquid-conducting member and a heating member. The heating member is arranged on the inner surface of the tubular liquid-conducting member. One end of the atomizing core close to the liquid storage chamber is in contact with the second section of the channel.

Wherein, the outer diameter of the tubular liquid-conducting member is no larger than the inner diameter of the end of the second section of the channel away from the first section of the channel.

Wherein, the end of the tubular liquid-conducting member is provided with a first engaging portion, and the first sealing member is provided with a second engaging portion. The tubular liquid-conducting member and the first sealing member are connected through the first engaging portion and the second engaging portion. Fixed snap connection at the bottom.

Wherein, the heating element is a heating pipe, and the end of the heating pipe is provided with a third clamping part. The heating pipe and the first sealing member are fixedly clamped through the second clamping part and the third clamping part.

Wherein, the end of the side wall of the tubular liquid-conducting member is provided with a first gap, and the first gap serves as the first snap-in part; the end of the heating tube is provided with a second gap, and the second gap serves as the third snap-in part; the mounting hole A protruding part is provided, and the protruding part serves as a second snap-in part. The first gap and the second gap are respectively matched and clipped with the protruding part, so as to make the relative position between the tubular liquid guide part, the heating tube and the first sealing part The position is fixed.

Wherein, a baffle is provided on the outer side of one end of the heating pipe, and the baffle is arranged perpendicularly to the outer side of the heating pipe. The end of the tubular liquid guide member close to the baffle is in contact with the baffle.

Wherein, the liquid outlet channel has a second constriction structure. The second constriction structure is in the direction from the end of the liquid outlet channel close to the liquid storage chamber to the end of the liquid outlet channel away from the liquid storage cavity. The cross-sectional area of the liquid outlet channel is slowing shrieking.

Among them, an installation cavity is formed in the atomization top cover, and the installation cavity is used to insert the atomization base. The first sealing member is accommodated in the installation cavity, and one side of the first sealing member and the side of the atomization top cover away from the liquid storage chamber Fit tightly to block the end of the liquid outlet channel away from the liquid storage chamber that does not cover the atomization core. The other side of the first sealing member fits tightly with the atomization base.

Among them, a ventilation groove is provided on the outer wall of the atomization top cover, and the ventilation groove cooperates with the inner wall surface of the installation space to form a ventilation channel. One end of the ventilation channel is connected to the liquid storage chamber, and the other end is connected to the outside atmosphere.

In order to solve the above technical problems, the second technical solution provided by this application is to provide an electronic atomization device. The electronic atomization device includes a power supply component and the above-mentioned atomizer. The power supply component is used to power the atomizer.

Beneficial effects of this application: Different from the existing technology, this application provides an electronic atomization device and an atomizer thereof. The atomizer includes a housing, an atomization top cover, an atomization base, an atomization core and a first atomizer. seal; the shell has an installation space; the atomization top cover is arranged in the installation space, and the atomization top cover cooperates with the installation space to form a liquid storage chamber; the atomization base is arranged on the side of the atomization top cover away from the liquid storage chamber, The atomizing base and the atomizing top cover cooperate to form a receiving cavity; the atomizing core is arranged in the receiving cavity and is used to heat the aerosol generating matrix stored in the liquid storage chamber; the first sealing member is arranged between the atomizing top cover and the atomizing base And/or it is provided between the atomization top cover and the atomization base, at least for sealing the gap between the atomization core and/or the atomization top cover and the atomization base. By providing the first seal, the gap between the end of the atomization top cover away from the liquid storage chamber and the end of the atomization base close to the liquid storage chamber is sealed, and/or the gap between the end of the atomization top cover away from the liquid storage chamber and the mist The gap between the ends of the base close to the liquid storage chamber prevents the condensate formed by the aerosol from flowing out of the atomizer and causing leakage.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without making any creative efforts.

Figure 1 is a schematic structural diagram of an embodiment of an electronic atomization device provided by this application;

Figure 2 is a schematic structural diagram of an embodiment of an atomizer provided by this application;

Figure 3 is a schematic diagram of the explosion structure of the atomizer in Figure 2;

Figure 4 is a schematic structural diagram of an embodiment of the atomizer top cover provided by this application;

Figure 5 is a schematic structural diagram of the longitudinal section of the atomizer top cover in Figure 4;

Figure 6 is a schematic structural diagram of another embodiment of the atomizer top cover provided by this application;

Figure 7 is a schematic structural diagram of the longitudinal section of the atomizer top cover in Figure 6;

Figure 8 is a schematic structural diagram of an embodiment of the atomization base provided by this application;

Figure 9 is a schematic structural diagram of the longitudinal section of the atomizer base in Figure 8;

Figure 10 is a schematic top structural view of the atomizer base in Figure 8;

Figure 11 is a schematic diagram of the exploded structure of an embodiment of the atomizer core provided by this application;

Figure 12 is a schematic structural diagram of another embodiment of the atomizing core provided by this application;

Figure 13 is a schematic diagram of the exploded structure of the atomizer core in Figure 12;

Figure 14 is a schematic structural diagram of an embodiment of the first seal provided by this application;

Figure 15 is a schematic structural diagram of another embodiment of the first seal provided by this application;

Figure 16 is a schematic structural diagram of an embodiment of the second seal provided by this application;

Figure 17 is a schematic longitudinal cross-sectional structural view of the second seal in Figure 16;

Figure 18 is a schematic structural diagram of another embodiment of the atomizer provided by this application.

Detailed ways

The solutions of the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

In the following description, specific details such as specific system structures, interfaces, technologies, etc. are provided for the purpose of explanation and not limitation, so as to provide a thorough understanding of the present application.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of this application.

The terms “first”, “second” and “third” in this application are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, features defined as "first", "second", and "third" may explicitly or implicitly include at least one of these features. In the description of this application, "plurality" means at least two, such as two, three, etc., unless otherwise clearly and specifically limited. All directional indications (such as up, down, left, right, front, back...) in the embodiments of this application are only used to explain the relative positional relationship between components in a specific posture (as shown in the drawings). , sports conditions, etc., if the specific posture changes, the directional indication will also change accordingly. Furthermore, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally also includes Other steps or units inherent to such processes, methods, products or devices.

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 appearances 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. Those skilled in the art understand, both explicitly and implicitly, that the embodiments described herein may be combined with other embodiments.

In order to solve the existing technical problems, embodiments of the present application provide an atomizer and an electronic atomization device using the atomizer. The electronic atomization device provided by the embodiment of the present application is first described below.

Please refer to Figures 1 to 3. Figure 1 is a schematic structural diagram of an embodiment of an electronic atomizer provided by this application. Figure 2 is a schematic structural diagram of an atomizer provided by this application. Figure 3 is a schematic diagram of the atomizer in Figure 2. Schematic diagram of the explosion structure of a chemical reactor.

The atomizer 100 includes a housing 1, an atomization top cover 2, an atomization base 3, an atomization core 4, a first seal 6, a second seal 7, a third seal 8 and an electrode connector 9. The housing 1 has an installation space 12. The atomization top cover 2 and the atomization base 3 are accommodated in the installation space 12, and the atomization top cover 2 cooperates with the installation space 12 to form a liquid storage chamber 13. The atomization top cover 2 and the atomization base 3 cooperate to form a receiving cavity 21. The atomizing core 4 is a tube body, which is arranged in the receiving cavity 21 and used to heat the aerosol-generating matrix stored in the liquid storage cavity 13. The atomization base 3 is provided at an end of the atomization top cover 2 away from the liquid storage chamber 13 . The first seal 6 is provided between the atomization core 4 and the atomization base 3 and is used to seal the gap between the end of the atomization core 4 away from the liquid storage chamber 13 and the end of the atomization base 3 close to the liquid storage chamber 13 gap. The second sealing member 7 is located on one end of the atomizing top cover 2 close to the liquid storage chamber 13 and is used to seal the gap between the atomizing top cover 2 and the inner wall of the installation space 12 . The third sealing member 8 is sleeved on the outer wall of the atomization base 3 and is used to seal the gap between the outer wall of the atomization base 3 and the inner wall of the housing 1 . The electrode connector 9 is disposed between the power supply assembly 200 and the atomization core 4 to make a good electrical connection between the power supply assembly 200 and the atomization core 4 .

The housing 1 includes an air suction port 11 . The air suction port 11 is provided at an end of the housing 1 away from the atomizing core 4 . The air suction port 11 extends in a direction close to the atomizing top cover 2 to form an air outlet channel 14 . The air outlet channel 14 for transporting aerosols. The air outlet channel 14 and the housing 1 may or may not be made integrally. The housing 1 can be made of metal such as aluminum, stainless steel, or plastic, as long as it can store the aerosol-generating matrix without reacting with it to cause it to deteriorate. The housing 1 may have a rectangular structure or other structures. In this embodiment, the housing 1 has a flat cylindrical structure.

Please refer to Figures 4 and 5. Figure 4 is a schematic structural diagram of an embodiment of the atomizer top cover provided by this application. Figure 5 is a schematic structural diagram of a longitudinal section of the atomizer top cover in Figure 4.

The atomizer top cover 2 is provided with liquid outlet channels 25 and through holes 26 at intervals. The liquid outlet channel 25 is at least partially parallel to the central axis of the tube body, and one end of the liquid outlet channel 25 close to the liquid storage chamber 13 is located on the side of the atomization top cover 2 close to the liquid storage chamber 13 and is perpendicular to the central axis of the tube body. On the end face, the end of the liquid outlet channel 25 close to the liquid storage chamber 13 is directly connected to the liquid storage chamber 13, so that the substrate to be atomized in the liquid storage chamber 13 flows into the liquid outlet channel 25, so that the liquid outlet is smooth. One end of the liquid outlet channel 25 is connected to the liquid storage chamber 13 , and the other end is connected to the atomizing core 4 . The end of the liquid outlet channel 25 away from the liquid storage chamber 13 is at least disposed on the side wall of the receiving chamber 21 for transmitting the aerosol-generating matrix in the liquid storage chamber 13 to the atomizing core 4 for the atomizing core 4 to heat the mist. Chemically generate aerosols. The liquid outlet channel 25 has a second constriction structure. In the direction from the end of the liquid outlet channel 25 close to the liquid storage chamber 13 to the end of the liquid outlet channel 25 away from the liquid storage cavity 13, the cross-sectional area of the liquid outlet channel 25 gradually increases. By reducing the size, the liquid outlet channel 25 forms a buffer space, making the liquid conduction more stable, and facilitating the flow of liquid under the aerosol-generating matrix in the liquid storage chamber 13 . The number of liquid outlet channels 25 may be multiple or one. When there are multiple liquid outlet channels 25, the plurality of liquid outlet channels 25 are arranged at intervals from each other. The through hole 26 includes a directly connected first channel 261 and a second channel 262. The first channel 261 is located away from the atomizer base 3, and the end surface of the second channel 262 away from the liquid storage chamber 13 serves as the receiving chamber 21 and the second channel 262. A part of the interface of the atomizer top cover 2 or the second section of the channel 262 serves as a part of the containing cavity 21 . One end of the atomizing core 4 close to the liquid storage chamber 13 is in contact with the end of the second section of the channel 262 away from the liquid storage chamber 13 . A ventilation slot is provided on the outer wall of the atomizer top cover 2 , and the ventilation slot cooperates with the inner wall surface of the installation space 12 to form a ventilation channel 27 . The ventilation channel 27 can also be directly provided on the outer wall of the atomizer top cover 2. One end of the ventilation channel 27 is connected to the liquid storage chamber 13, and the other end is connected to the outside atmosphere. There may be multiple ventilation channels 27 , and each ventilation channel 27 may have multiple branches at one end away from the liquid storage chamber 13 .

In this embodiment, the atomizer top cover 2 includes a first annular side wall 22 and a first top wall 23 connected to one end of the first annular side wall 22 . The first annular side wall 22 and the first top wall 23 of the atomization top cover 2 form an installation cavity 24, the atomization base 3 is at least partially inserted into the installation cavity 24, the first seal 6 is received in the installation cavity 24, and The end surface of the first sealing member 6 close to the liquid storage chamber 13 is in close contact with the first top wall 23 , and the side of the first sealing member 6 away from the liquid storage chamber 13 is in close contact with the atomization base 3 . The first top wall 23 is provided with a liquid outlet channel 25 and a through hole 26 spaced apart from each other. The partial port of the liquid outlet channel 25 away from the liquid storage chamber 13 is provided on the side wall of the receiving cavity 21 , and the liquid outlet channel 25 is away from the liquid storage chamber. Other ports of the chamber 13 are provided on the bottom wall of the atomizer top cover 2 facing the atomizer base 3 . The outer wall of the tube body cooperates with the first seal 6 to cover the port of the liquid outlet channel 25 away from the liquid storage chamber 13 .

The second section of channel 262 serves as a part of the receiving cavity 21 . The second channel 262 has a first constriction structure. In the direction from the end of the second channel 262 away from the first channel 261 to the end of the second channel 262 close to the first channel 261, the second channel 262 has a first narrowing structure. The cross-sectional area of 262 gradually decreases, so that the outer wall surface of the atomizing core 4 and the inner wall surface of the second channel 262 can be arranged at a certain angle. A certain gap is left so that the contact area between the aerosol-generating matrix transmitted to the atomizing core 4 and the outer wall of the atomizing core 4 is larger, thereby avoiding the burnt smell phenomenon and the increase in the temperature caused by insufficient local liquid supply during continuous and rapid suction. Atomization efficiency. Part of the atomizing core 4 is arranged in the second section of channel 262. The outer wall of one end of the atomizing core 4 close to the liquid storage chamber 13 may be in interference fit with the inner wall of the first channel 261 , or may be in contact with the inner wall of the second channel 262 . In this embodiment, the outer wall of one end of the atomizing core 4 close to the liquid storage chamber 13 is in contact with the inner wall of the second section of the channel 262, making the installation of the atomizing core 4 and the atomizing top cover 2 more convenient.

Please refer to Figures 6 and 7. Figure 6 is a schematic structural diagram of another embodiment of the atomizer top cover provided by this application. Figure 7 is a schematic structural diagram of a longitudinal section of the atomizer top cover in Figure 6.

In another embodiment, the atomizer top cover 2 only includes the first top wall 23 . The end of the atomizer top cover 2 away from the liquid storage chamber 13 is inserted into the atomizer base 3 . The port of the liquid outlet channel 25 away from the liquid storage chamber 13 is completely disposed on the side wall of the receiving chamber 21, and the outer wall surface of the tube body completely covers the port of the liquid outlet channel 25 away from the liquid storage chamber 13, so that the outer wall surface of the tube body is in contact with the storage chamber 13. The contact area of the substrate to be atomized in the liquid chamber 13 should be as large as possible to improve the atomization efficiency. The inner diameter of the second section of channel 262 is smaller than the inner diameter of the first end channel 261 .

Please refer to Figures 8 to 10. Figure 8 is a schematic structural diagram of an embodiment of the atomization base provided by this application. Figure 9 is a schematic longitudinal cross-sectional structural diagram of the atomization base in Figure 8. Figure 10 is a top view of the atomization base in Figure 8. Schematic.

The atomization base 3 is provided at an end of the atomization top cover 2 away from the liquid storage chamber 13 . The atomization base 3 includes a second annular side wall 31 and a second top wall 32 disposed on the side of the second annular side wall 31 away from the liquid storage chamber 13. The second annular side wall 31 is engaged with the side wall of the atomization top cover 2. Connect with the buckle to seal the atomizer core 4 in the receiving cavity 21 . The second top wall 32 sinks toward the side where the second annular side wall 31 is disposed to form a cavity 33 , and the outer surface of the cavity 33 is spaced apart from the second annular side wall 31 .

In one embodiment, a ventilation cavity 34 is formed between the outer surface of the cavity 33 and the second annular side wall 31 , and the end of the ventilation channel 27 away from the liquid storage chamber 13 is connected to the outside atmosphere through the ventilation cavity 34 . At least one first ventilation hole 35 is provided on the side wall of the cavity 33, and at least one second ventilation hole 36 is provided on the side wall of the ventilation cavity 34. The first ventilation hole 35 and the second ventilation hole 36 Connected. When there is one first ventilation hole 35 and one second ventilation hole 36 respectively, the first ventilation hole 35 and the second ventilation hole 36 can be provided on the same side or on different sides. When there are multiple first ventilation holes 35 and multiple second ventilation holes 36 , some of the first ventilation holes 35 and the second ventilation holes 36 are provided on the same side, and some of the first ventilation holes 35 and the second ventilation holes are 36 different side settings. In this embodiment, two ventilation chambers 34 are provided at intervals on both sides of the cavity 33. Each ventilation chamber 34 is provided with a second ventilation hole 36, and the two ventilation holes are provided on different sides. The cavity 33 is provided with two first ventilation holes 35 . The two first ventilation holes 35 are arranged opposite to each other. One first ventilation hole 35 is arranged on the same side as a second ventilation hole 36 . The first annular side wall 22 of the atomizer top cover 2 at one end away from the liquid storage chamber 13 is provided with a third ventilation hole 28 . The third ventilation holes 28 are respectively connected to the ports at the end of the ventilation channel 27 away from the liquid storage chamber 13 and the installation cavity 24. After the atomization top cover 2 and the atomization base 3 are assembled, the third ventilation hole 28 is connected to the second ventilation hole 36 and the first ventilation hole 35 respectively, so that the ventilation channel 27 passes through the third ventilation hole in sequence. The three ventilation holes 28, the second ventilation hole 36, and the ventilation chamber 34 are connected to the outside atmosphere, or the ventilation channel 27 is connected to the outside world through the third ventilation hole 28, the first ventilation hole 35, and the ventilation chamber 34 in sequence. Atmospheric connectivity.

The side of the cavity 33 away from the liquid storage chamber 13 is also provided with a capillary condensation groove 37 facing the liquid storage chamber 13, which is used to absorb trace amounts of condensate produced by aerosol condensation through capillary action. At the same time, the first ventilation port is provided as much as possible. The cavity 33 is at a position close to the end of the liquid storage chamber 13 , that is, a position away from the capillary condensation groove 37 . The size of the first ventilation port is small, and while generating appropriate suction resistance, the trace amount of condensed liquid stored in the capillary condensation tank 37 will not leak easily from the first ventilation port due to the surface tension of the liquid matrix.

Please refer to Figure 11. Figure 11 is a schematic diagram of an exploded structure of an embodiment of the atomizer core provided by this application.

The atomizing core 4 has a middle-through structure. One end of the atomizing core 4 close to the liquid storage chamber 13 is arranged in the receiving chamber 21 . The middle-through structure is specifically a tube body. The receiving chamber 21 is formed by surrounding the inner wall of the end of the atomizing top cover 2 away from the liquid storage chamber 13 and the end surface of the atomizing base 3 close to the liquid storage chamber 13. It is mainly used to accommodate the atomizing core 4. At least part of the atomizing core 4 is received in the receiving cavity 21 . The end of the atomizing core 4 away from the liquid storage chamber 13 is in close contact with the first sealing member 6 . By arranging the atomizing core 4 as a tube body, the substrate to be atomized in the liquid storage chamber 13 is transmitted to the outer wall surface of the tube body through the liquid outlet channel 25 on the atomizing top cover 2, which reduces the amount of the substrate to be atomized in the tube body. The transmission path in the tube body makes the liquid conduction effect of the tube body good, thereby improving the atomization effect of the atomization core 4. The inner wall of the tube body is surrounded by an atomization chamber 43, and the atomization chamber 43 is directly connected to the air outlet channel 14, which reduces the transmission path of the aerosol, thereby reducing the generation of condensate and improving the effective use rate of the aerosol. . The atomizing core 4 includes a liquid-conducting member 41 and a heating member 42. The liquid-conducting member 41 has a liquid-absorbing surface 416 and an atomizing surface 417 arranged oppositely. The heating member 42 is arranged on the atomizing surface 417, and the atomizing surface 417 is a liquid-conducting surface. the inner surface of piece 41. The liquid-conducting member 41 is a tubular liquid-conducting member, and the outer diameter of the liquid-conducting member 41 is no larger than the inner diameter of the end of the second section of the channel 262 away from the first section of the channel 261 . The heating element 42 is a heating tube, and the heating element 42 can be a metal film, a metal mesh, etc., and its shape and structure are not limited. The heating element 42 can be formed on the liquid-conducting element 41 through mounting, printing, deposition, or other methods. The heating element 42 can be made of stainless steel, nickel-chromium alloy, iron-chromium-aluminum alloy, metal titanium and other materials.

In this embodiment, part of the atomizing core 4 is received in the receiving cavity 21 . The end of the atomizing core 4 away from the liquid storage chamber 13 is inserted into the first sealing member 6 . One end of the atomizing core 4 close to the liquid storage chamber 13 is in contact with the side of the second seal 7 away from the liquid storage chamber 13 . The liquid-conducting member 41 can be made of hard capillary structures such as porous ceramics, porous glass ceramics, and porous glass. The liquid guide 41 has a tubular structure and is in contact with the end of the extension 723 away from the second through hole 722 . The end of the liquid guide 41 close to the liquid storage chamber 13 is in contact with the inner wall of the second section of the channel 262 to facilitate Installing the atomizer core 4 in the receiving cavity 21 is beneficial to the installation consistency of the atomizer 100 and simplifies the installation process. The atomization chamber 43 and the air outlet channel 14 are directly connected through the fourth section of the channel 7232, so that the aerosol generated in the atomization cavity 43 can be directly transmitted to the air outlet channel 14 through the fourth section of the channel 7232, and the atomization chamber 43 to the inhalation The distance between the mouth 11 is relatively small, making the path from the aerosol to the inhalation port 11 the shortest, reducing the transmission path of the aerosol, avoiding a large amount of aerosol loss, and ensuring a sufficient amount of aerosol per unit time. Effectively absorbed by users and reducing the generation of condensation. The atomization chamber 43 is directly connected to the through hole 26, which not only reduces the generation of condensate, but also solves the oil frying phenomenon caused by the reflux of condensate, significantly increases the amount of effective aerosol generated, and improves the user experience. The inner diameter of the liquid-conducting member 41 is no larger than the inner diameter of the end of the fourth-stage channel 7232 away from the third-stage channel 7231 to prevent the aerosol from being blocked by the fourth-stage channel 7232 during the transmission process and affecting the transmission of the aerosol. In this embodiment, the inner diameter of the liquid guide 41 is consistent with the inner diameter of the end of the fourth section of channel 7232 away from the third section of channel 7231 .

The end of the liquid guide 41 is also provided with a first clamping portion 411. The first clamping portion 411 can be provided at any one or both of the two ends of the liquid guide 41 along the axial direction of the third channel 7231. There are no restrictions here. The liquid guide 41 is fixedly connected to the first sealing member 6 through the first clamping part 411; or the liquid guide 41 is fixedly connected to the second seal 7 through the first clamping part 411; or the liquid guide 41 is fixedly connected to the second sealing member 7 through the first clamping part 411. The first engaging portion 411 is fixedly engaged with the first sealing member 6 and the second sealing member 7 . The first engaging portion 411 may be a groove or a bump. In this embodiment, the first engaging portion 411 is a groove, and the groove is a through groove. The through groove penetrates the side wall of the liquid guide 41 along the radial direction of the liquid guide 41 and communicates with the liquid guide 41 away from the storage tank. The end surface of the liquid chamber 13. In other optional embodiments, the groove may be a semi-connected groove that communicates with one of the inner surface and the outer surface of the liquid guide member 41 and communicates with the end surface of the liquid guide member 41 away from the liquid storage chamber 13 .

A third clamping portion 422 is provided at the end of the heating element 42. The third clamping portion 422 can be provided on any one or both of the two ends of the heating element 42 along the axial direction of the third channel 7231. No restrictions are imposed here.

The heating element 42 is fixedly clamped with the first sealing member 6 through the third clamping part 422; or the heating element 42 is fixedly clamped with the second sealing member 7 through the third clamping part 422; or the heating element 42 is fixedly clamped with the third clamping part 422. The connecting portion 422 is fixedly engaged with the first sealing member 6 and the second sealing member 7 . The third engaging portion 422 may be a groove or a bump. A baffle 421 is provided on the outer surface of one end of the heating element 42 . The baffle 421 is perpendicular to the outer surface of the heating element 42 . The end of the liquid guide 41 close to the baffle 421 is in contact with the baffle 421 . The baffle 421 may be disposed on the outer surface of any one or both ends of the heating element 42 along the axial direction of the heating element 42 . When the baffle 421 is disposed on the outer surface of the end of the heating element 42 away from the liquid storage chamber 13 , the baffle 421 has conductivity and serves as the pin 423 for connecting the heating element 42 to the electrode connector 9 . The materials of the baffle 421 and the heating element 42 may be the same or different. The third snap-in part 422 is provided on the baffle 421. When the first snap-in part 411 is a groove, the third snap-in part 422 and the first snap-in part 411 may have the same or different structural types; first When the latching part 411 is a convex block, the third latching part 422 is a groove, and the convex block passes through the groove. In this embodiment, the side wall end of the liquid guide 41 is provided with a first gap. The gap serves as the first clamping part 411; the end of the heating element 42 is provided with a second gap, and the second gap serves as the third clamping part 422. The third clamping part 422 and the first clamping part 411 are in the liquid guide part 41 The projections on the end surface on the side away from the first sealing member 6 overlap, so that the first engaging portion 411 and the third engaging portion 422 can be fixedly engaged with the first sealing member 6 at the same time.

Please refer to Figures 12 and 13. Figure 12 is a schematic structural diagram of another embodiment of the atomizer core provided by this application. Figure 13 is a schematic diagram of the exploded structure of the atomizer core in Figure 12.

In another embodiment, all the atomizing cores 4 are received in the receiving chamber 21 , and one end of the atomizing core 4 away from the liquid storage chamber 13 is sleeved on the first sealing member 6 . One end of the atomizer core 4 close to the liquid storage chamber 13 is in contact with the side of the through hole 26 away from the liquid storage chamber 13 and is sleeved on the outer wall of the through hole 26 . The atomizing core 4 also includes a mounting sleeve 44 and an atomizing sleeve 45 . The liquid-conducting member 41 is a flexible liquid-conducting member, and may be made of flexible materials such as cotton, and includes a first liquid-conducting member 414 and a second liquid-conducting member 415 . The first liquid guide member 414 is surrounded by an atomization chamber 43 . The heating element 42 is disposed on the inner wall surface of the first liquid conducting element 414 . The atomization sleeve 45 is sleeved on the outer wall of the first liquid guide 414 . In other optional embodiments, the liquid-conducting member 41 may also be a hard liquid-conducting member.

A step structure 453 is provided on the outer wall of the end of the atomization sleeve 45 away from the liquid storage chamber 13 . The side of the step structure 453 away from the liquid storage chamber 13 is in contact with the first seal 6 . The installation sleeve 44 is sleeved on the outer wall of the atomization sleeve 45 and is in contact with the end of the atomization sleeve 45 away from the liquid storage chamber 13 . There is a gap between the inner wall of the installation sleeve 44 and the outer wall of the atomization sleeve 45, and the second liquid guide 415 is disposed in the gap, that is, the second liquid guide 415 is sandwiched between the installation sleeve 44 and the atomizer. between sleeves 45. The side wall surface of the installation sleeve 44 away from the second liquid guide member 415 directly covers the port of the liquid outlet channel 25 away from the liquid storage chamber 13 . The atomization sleeve 45 includes at least one communication hole 451. A liquid inlet 441 is provided on the side wall of the installation sleeve 44. The communication hole 451 and the liquid inlet 441 are connected through the second liquid guide 415. The atomized matrix is transmitted to the first liquid conducting member 414 through the second liquid conducting member 415 and the communication hole 451 in sequence. The two-layer liquid-conducting structure is provided to make the conduction of the substrate to be atomized from the liquid outlet channel 25 to the heating element 42 more uniform, and to avoid the formation of a saturated liquid state on the first liquid-conducting element 414. At the same time, through the cooperative relationship between the atomization sleeve 45 and the installation sleeve 44 and the first liquid guide part 414 and the second liquid guide part 415, as well as the atomization sleeve 45 and the installation sleeve 44 and the atomization top cover 2 and the second liquid guide part 415. The cooperative relationship between the sealing members 6 and the first liquid-conducting member 414 and the second liquid-conducting member 415 are configured as flexible liquid-conducting structures, which not only improves the liquid-conducting capacity of the atomizing core 4, but also prevents the flexible liquid-conducting structure from The deformation facilitates the installation of the atomizer core 4 in the receiving cavity 21, which is beneficial to the installation consistency of the atomizer 100 and simplifies the installation process of the atomizer 100. In this embodiment, some of the communication holes 451 have a gap structure, and some of the communication holes 451 are closed through holes. In other embodiments, the communication holes 451 can also be gaps.

Please refer to Figure 14. Figure 14 is a schematic structural diagram of an embodiment of the first seal provided by the present application.

The first seal 6 is provided between the atomizing core 4 and the atomizing base 3 and/or between the atomizing top cover 2 and the atomizing base 3, at least for sealing the atomizing core 4 and/or the atomizing top. The gap between cover 2 and atomizer base 3. The first sealing member 6 is provided with a mounting hole 61 , and the end of the atomizing core 4 away from the liquid storage chamber 13 is in close contact with the mounting hole 61 . The end of the first sealing member 6 away from the liquid storage chamber 13 is in contact with the side of the atomization base 3 close to the liquid storage chamber 13 to seal the end of the atomization core 4 away from the liquid storage chamber 13 and the atomization base 3 The gap between the ends close to one end of the liquid storage chamber 13. A limiting plate 62 is provided in the mounting hole 61 , and a third through hole 64 is provided on the limiting plate 62 .

In this embodiment, the first sealing member 6 is at least partially disposed at an end of the receiving chamber 21 away from the liquid storage chamber 13 . Specifically, the first seal 6 is provided between the atomization top cover 2 and the atomization base 3 for sealing the end of the atomization top cover 2 away from the liquid storage chamber 13 and the end of the atomization base 3 close to the liquid storage chamber 13 The gap between the ends. At the same time, the first seal 6 covers one end of the atomization base 3 close to the liquid storage chamber 13 and is located between the atomization core 4 and the atomization base 3 to seal the gap between the atomization base 3 and the atomization core 4 . The end surface of the first seal 6 close to the liquid storage chamber 13 is in close contact with the side of the first top wall 23 of the atomization top cover 2 away from the liquid storage chamber 13 to seal the end of the atomization top cover 2 away from the liquid storage chamber 13 The gap between the end surface and the end surface of the atomization base 3 close to the liquid storage chamber 13, as well as the gap between the atomization top cover 2 and the side wall of the atomization base 3, prevent the sol-generating matrix in the liquid outlet channel 25 from leaking out . The end of the atomizing core 4 away from the liquid storage chamber 13 is inserted into the mounting hole 61 and is in contact with the side of the limiting plate 62 facing the atomizing top cover 2 . The outer wall surface of the liquid guide member 41 is in close contact with the inner wall surface of the installation hole 61 to seal the gap between the outer wall surface of the liquid guide member 41 and the inner wall surface of the installation hole 61, thereby sealing the atomization top cover 2 away from the liquid storage chamber. The gap between the end of 13 and the outer wall of the atomizing core 4. The third through hole 64 exposes the two pins 423 of the heating element 42 so that the electrode connector 9 can be connected to the pins 423 through the third through hole 64 . In this embodiment, the first seal 6 is disposed not only between the atomization core 4 and the atomization base 3 , but also between the atomization top cover 2 and the atomization base 3 .

Please refer to FIG. 15 , which is a schematic structural diagram of another embodiment of the first seal provided by the present application.

In another embodiment, the first sealing member 6 is disposed at an end of the receiving chamber 21 away from the liquid storage chamber 13 and between the atomizing core 4 and the atomizing base 3 for sealing the atomizing core 4 away from the liquid storage chamber. The gap between the end of the atomizer base 3 and the end of the atomizer base 3 close to the liquid storage chamber 13. The mounting hole 61 is arranged in an extending direction close to the liquid storage chamber 13. The end of the atomizing core 4 away from the liquid storage chamber 13 is sleeved on the outer wall of the mounting hole 61 and is in close contact with the outer wall of the mounting hole 61 to seal the atomization. The gap between the core 4 and the outer wall surface of the mounting hole 61. The end of the atomization sleeve 45 in the atomization core 4 away from the liquid storage chamber 13 is in contact with the first seal 6 , and the pin 423 of the heating element 42 extends through the third through hole 64 to the first seal 6 away from the liquid storage. The end surface of the cavity 13 is directly connected to the electrode connector 9, which is easy to install.

Please refer to Figures 16 and 17. Figure 16 is a schematic structural diagram of an embodiment of the second seal provided in this application, and Figure 17 is a schematic longitudinal cross-sectional structural diagram of the second seal in Figure 16.

The second seal 7 is provided at the end of the atomization top cover 2 away from the atomization base 3 to seal the gap between the atomization top cover 2 and the inner wall surface of the installation space 12 . The second seal 7 includes a third annular side wall 71 and a third top wall 72 connected to one end of the third annular side wall 71 . The third top wall 72 is provided with first and second through

holes

721 and 721 spaced apart. 722, the first through hole 721 is connected with the liquid outlet channel 25, the second through hole 722 extends in a direction away from the liquid storage chamber 13 to form an extension part 723, the extension part 723 is connected to the third annular side wall 71 of the second sealing member 7 The extension portion 723 extends into the first channel 261 at intervals, and the outer side of the extension 723 is in close contact with the inner side of the first channel 261 to seal the outer side of the extension 723 and the first channel 261 . The gap between the medial surfaces.

The extension 723 on the second seal 7 is surrounded by a pipeline. The pipeline includes a third section of channel 7231 and a fourth section of channel 7232 that are connected to each other. The third section of channel 7231 is located close to the liquid storage chamber 13, and the fourth section of channel 7232 is located far away from the liquid storage chamber 13. The liquid storage chamber 13 is provided, and the inner diameter of the third section channel 7231 is larger than the inner diameter of the fourth section channel 7232, so that when the end of the air outlet channel 14 close to the atomizer top cover 2 is inserted into the third section channel 7231, it can be connected with the fourth section channel 7232 The ends close to the third section of channel 7231 are in contact, and the air outlet channel 14 is directly connected to the fourth section of channel 7232, preventing the air outlet channel 14 from passing out of the pipe to connect with the atomizing core 4. The fourth section of channel 7232 may have a cone-shaped structure, an hourglass-shaped structure, or other structures, which are not limited here. In this embodiment, the fourth section of channel 7232 is in the direction from the end of the fourth section of channel 7232 close to the third section of channel 7231 to the end of the fourth section of channel 7232 away from the third section of channel 7231. The fourth section of channel 7232 The cross-sectional area gradually decreases. The cross-sectional area of the fourth section of channel 7232 in the extending direction of the air outlet channel 14 is trapezoidal. In this embodiment, one end of the air outlet channel 14 close to the atomizer top cover 2 is a boss structure. The design of the boss structure can facilitate the insertion of the air outlet channel 14 into the third section of the channel 7231 for easy installation, and the step surface of the boss structure It closely fits the end surface of the second sealing member 7 close to the liquid storage chamber 13 to prevent the aerosol-generating matrix from flowing to the atomizing core 4 through the extension 723 .

The second sealing member 7 and/or the first sealing member 6 are provided with a second engaging portion 63 , and the liquid guide 41 and the first sealing member 6 are fixedly engaged through the first engaging portion 411 and the second engaging portion 63 , and/or, the liquid guide member 41 and the second sealing member 7 are fixedly engaged through the first engaging portion 411 and the second engaging portion 63 . The heating element 42 and the first sealing member 6 are fixedly clamped through the second clamping part 63 and the third clamping part 422, and/or the heating element 42 and the second sealing member 7 are connected through the second clamping part 63 and the third clamping part 422. The clamping portion 422 is fixedly clamped. The second engaging portion 63 is provided on the surface of the limiting plate 62 facing the atomizing core 4 and is fixedly engaged with the atomizing core 4 . In this embodiment, a protrusion is provided on the limiting plate 62 , and the protrusion serves as the second engaging portion 63 . The first and second notches are respectively matched and engaged with the protruding portion, so that the liquid guide 41 , the relative position between the heating element 42 and the first sealing element 6 is fixed, which is conducive to good electrical connection between the electrode connector 9 and the pin 423. In other embodiments, the third section of channel 7231 and the fourth section of channel 7232 may be the same.

Please refer to Figure 2 and Figure 18. Figure 18 is a schematic structural diagram of another embodiment of an atomizer provided by this application.

In this embodiment, the first sealing member 6 is only provided between the atomizing core 4 and the atomizing base 3 . The port of the liquid outlet channel 25 away from the liquid storage chamber 13 is completely disposed on the side wall of the receiving chamber 21 , and the outer wall surface of the tube body completely covers the port of the liquid outlet channel 25 away from the liquid storage chamber 13 . The atomizing core 4 includes a liquid guide part 41 , a heating part 42 , a mounting sleeve 44 and an atomizing sleeve 45 . The liquid-conducting member 41 is a flexible liquid-conducting member. The atomizer 100 also includes a sealing ring 5. The sealing ring 5 and the first sealing member 6 are arranged independently of each other. The sealing ring 5 is arranged between the inner side wall of the atomization top cover 2 and the outer side wall of the atomization core 4 to seal the mist. Eliminate the gap between the top cover 2 and the atomizing core 4. The sealing ring 5 is disposed on the side of the first sealing member 6 close to the liquid storage chamber 13 . The end of the sealing ring 5 away from the liquid storage chamber 13 is in contact with the end of the atomization core 4 away from the liquid storage chamber 13 . The sealing ring 5 includes an annular portion 51 and a hooking portion 52 . The hooking portion 52 is disposed at an end of the annular portion 51 away from the liquid storage chamber 13 , is perpendicular to the annular portion 51 and extends toward the central axis of the annular portion 51 . There is at least one hooking part 52 . When there are multiple hooking parts 52 , the plurality of hooking parts 52 are arranged at intervals along the circumferential direction of the annular part 51 . The hooking part 52 and the annular part 51 are integrally formed. The hooking part 52 is arranged corresponding to the liquid inlet hole 441 of the installation sleeve 44, and one hooking part 52 is arranged corresponding to one liquid inlet hole 441. The hooking portion 52 extends to the liquid inlet hole 441 so that the sealing ring 5 is hung on the outer wall of the installation sleeve 44 through the liquid inlet hole 441 . At least one layer of outer protruding ring structure 511 is provided on the outer wall of the annular portion 51 to better seal the gap between the outer wall of the atomizing core 4 and the inner wall of the sealing ring 5 . In this embodiment, the outer side wall of the sealing ring 5 is provided with spaced-apart outer protruding ring structures 511 , and the outer protruding ring structures 511 are respectively spaced apart along the central axis direction of the sealing ring 5 . In other alternative embodiments, the sealing ring 5 may only include an annular portion 51 . The end of the sealing ring 5 away from the liquid storage chamber 13 can also directly contact the end of the first sealing member 6 close to the liquid storage chamber 13 .

This application provides an atomizer 100. The atomizer 100 includes a housing 1, an atomization top cover 2, an atomization base 3, an atomization core 4 and a first seal 6; the housing 1 has an installation space 12; The atomization top cover 2 is disposed in the installation space 12, and the atomization top cover 2 cooperates with the installation space 12 to form a liquid storage chamber 13; the atomization base 3 is disposed on the side of the atomization top cover 2 away from the liquid storage chamber 13. The atomizing base 3 and the atomizing top cover 2 cooperate to form a receiving chamber 21; the atomizing core 4 is provided in the receiving chamber 21, and is used to heat the aerosol generating matrix stored in the liquid storage chamber 13; the first seal 6 is provided on the atomizing top cover 2 and atomizer base 3. By providing the first seal 6, the gap between the end of the atomization top cover 2 away from the liquid storage chamber 13 and the end of the atomization base 3 close to the liquid storage chamber 13 is sealed, and the atomization top cover 2 is sealed away from the liquid storage chamber. The gap between the end of 13 and the outer wall of the atomizer core 4 and the gap between the sealed atomization base 3 and the outer wall of the atomizer core 4 prevent the condensate formed by the aerosol from flowing out of the atomizer 100 and causing leakage. Phenomenon.

The above are only embodiments of the present application, and do not limit the scope of patent protection of the present application. Any equivalent structure or equivalent process transformation made using the contents of the description and drawings of the present application may be directly or indirectly used in other related technical fields. , are all equally included in the patent protection scope of this application.

Claims

An atomizer, including:

Shell, with installation space;

An atomization top cover is provided in the installation space, and the atomization top cover cooperates with the installation space to form a liquid storage chamber;

An atomization base is provided on the side of the atomization top cover away from the liquid storage chamber, and the atomization base cooperates with the atomization top cover to form a receiving cavity;

An atomizing core, arranged in the receiving chamber, used to heat the aerosol-generating matrix stored in the liquid storage chamber;

A first sealing member is provided between the atomization core and the atomization base and/or between the atomization top cover and the atomization base, at least for sealing the atomization core and the atomization base. /or the gap between the atomizer top cover and the atomizer base.
The atomizer according to claim 1, wherein the first sealing member is provided between the atomization core and the atomization base and between the atomization top cover and the atomization base. The end of the atomizing core close to the liquid storage chamber is arranged in the receiving chamber, and the end of the atomizing core away from the liquid storage chamber is in close contact with the first sealing member.
The atomizer according to claim 1, wherein the first sealing member is an integrally formed structure and is at least partially disposed at an end of the receiving chamber away from the liquid storage chamber.
The atomizer according to claim 2, wherein the first sealing member cover is provided at an end of the atomization base close to the liquid storage chamber to seal the atomization top cover away from the liquid storage chamber. The gap between the end of the atomizer base and the end of the atomization base close to the liquid storage chamber.
The atomizer according to claim 1, wherein the first sealing member is provided at an end of the receiving chamber away from the liquid storage chamber to seal an end of the atomizing core away from the liquid storage chamber. and the end of the atomization base close to the liquid storage chamber.
The atomizer according to claim 1, wherein the first sealing member is provided with a mounting hole, an end of the atomizing core away from the liquid storage chamber is inserted into the mounting hole, and the mounting hole is The inner wall surface of the hole is in close contact with the outer wall surface of the atomization core, sealing the gap between the outer wall of the atomization core and the atomization base.
The atomizer according to claim 6, wherein the atomization top cover includes a liquid outlet channel and a through hole arranged at intervals, the through hole includes a first section channel and a second section channel directly connected, and the The first section of the channel is arranged away from the atomization base, and the second section of the channel is arranged close to the atomization base; one end of the liquid outlet channel is connected to the liquid storage chamber, and at least part of the atomization core covers the The other end of the liquid outlet channel away from the liquid storage chamber;

The second section of the channel serves as a part of the receiving cavity;

Or the end surface of the second section of the channel away from the liquid storage chamber serves as a part of the interface between the receiving chamber and the atomization top cover.
The atomizer according to claim 7, wherein the second section of the channel is a first constriction structure, and the first section of the channel is at an end away from the first section of the channel. The cross-sectional area of the second section of the channel gradually decreases in the direction from the end of the second section of the channel close to the end of the first section of the channel.
The atomizer according to claim 7, wherein the atomization core includes a tubular liquid-conducting member and a heating member, the heating member is disposed on the inner surface of the tubular liquid-conducting member, and the atomizing core is close to One end of the liquid storage chamber is in contact with the second section of the channel.
The atomizer according to claim 9, wherein the outer diameter of the tubular liquid-conducting member is no larger than the inner diameter of the end of the second section of channel away from the first section of channel.
The atomizer according to claim 10, wherein the end of the tubular liquid-conducting member is provided with a first snap-in portion, the first sealing member is provided with a second snap-in portion, and the tubular liquid-conducting member is provided with a second snap-in portion. The component and the first sealing member are fixedly clamped through the first clamping part and the second clamping part.
The atomizer according to claim 11, wherein the heating element is a heating tube, an end of the heating tube is provided with a third clamping portion, and the heating tube and the first sealing member pass through the The second clamping part and the third clamping part are fixedly clamped.
The atomizer according to claim 12, wherein the end of the side wall of the tubular liquid-conducting member is provided with a first gap, and the first gap serves as the first clamping portion; the end of the heating tube The mounting hole is provided with a second notch, and the second notch serves as the third snap-in portion; the mounting hole is provided with a protruding portion, and the protruding portion serves as the second snap-in portion, and the first cutout The second notch and the second notch are respectively matched and locked with the protruding portion, so that the relative positions between the tubular liquid-conducting member, the heating tube and the first sealing member are fixed.
The atomizer according to claim 12, wherein a baffle is provided on the outer side of one end of the heating tube, the baffle is arranged perpendicularly to the outer side of the heating tube, and the tubular liquid guide member is close to the The end of the baffle is in contact with the baffle.
The atomizer according to claim 7, wherein the liquid outlet channel has a second constriction structure, and the second constriction structure extends from the end of the liquid outlet channel close to the liquid storage chamber to the end of the liquid outlet channel. The cross-sectional area of the liquid outlet channel gradually decreases in the direction away from the end of the liquid storage chamber.
The atomizer according to claim 7, wherein an installation cavity is formed in the atomization top cover, the installation cavity is used to insert the atomization base, and the first sealing member is received in the installation cavity , and one side of the first sealing member is in close contact with the side of the atomization top cover away from the liquid storage chamber, so as to block the liquid outlet channel away from the liquid storage chamber and not cover the mist. The end of the atomizing core and the other side of the first sealing member are in close contact with the atomizing base.
The atomizer according to claim 16, wherein a ventilation groove is provided on the outer wall of the atomization top cover, and the ventilation groove cooperates with the inner wall surface of the installation space to form a ventilation channel. One end of the air channel is connected to the liquid storage chamber, and the other end is connected to the outside atmosphere.
An electronic atomization device, which includes a power supply component and the atomizer described in claim 1, and the power supply component is used to power the atomizer.