WO2023019440A1

WO2023019440A1 - Atomizer and electronic atomization device

Info

Publication number: WO2023019440A1
Application number: PCT/CN2021/113077
Authority: WO
Inventors: 周卫东; 谢德科; 陆丰文; 朱小安
Original assignee: 深圳麦克韦尔科技有限公司
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2023-02-23

Abstract

An atomizer (1) and an electronic atomization device. The atomizer (1) comprises a housing (11), a sealing seat (12) and an atomization core (13), wherein a liquid storage chamber (111) and an accommodation chamber (112), which are in communication with each other, are formed inside the housing (11); the sealing seat (12) is arranged in the accommodation chamber (112), a mounting chamber (121) is formed in the sealing seat (12), and the atomization core (13) is arranged in the mounting chamber (121); one end of the sealing seat (12) is used for forming a bottom surface of the liquid storage chamber (111), and the other end thereof is used for sealing the accommodation chamber (112); and the sealing seat (12) is integrally formed. By means of integrally forming the sealing seat (12), the sealing of the atomizer (1) can be accomplished by using the sealing seat (12), such that the number of sealing members are reduced, thereby reducing the complexity of assembly, and avoiding the influences, on a sealing effect, of dimensional tolerances of each of a plurality of sealing members and of tolerances formed during an assembly process; and functions of an atomization seat are integrated into the sealing seat (12), such that the number of parts of the atomizer (1) are further reduced, thereby reducing the complexity of assembly and saving on the cost.

Description

Atomizers and Electronic Atomization Devices

technical field

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

Background technique

The atomizer and power supply components will be separated during the transportation of the electronic atomization device. During transportation, the atomizer will leak due to a series of reasons such as shaking and negative pressure. In order to avoid this situation, at present, the atomizer is sealed as a whole by setting multiple sealing members, and the whole assembly process is relatively complicated, time-consuming and labor-intensive. Moreover, due to the large number of seals, it is easy to cause the seals to not be completely sealed due to tolerance and assembly process problems, and the problem of liquid leakage cannot be avoided.

Contents of the invention

In view of this, the present application provides an atomizer and an electronic atomization device to solve the technical problem in the prior art that the assembly process of sealing the atomizer with multiple seals is complicated and cannot be completely sealed.

In order to solve the above technical problems, the first technical solution provided by this application is: provide an atomizer, including a housing, a sealing seat and an atomizing core; the housing is formed with a liquid storage chamber and a receiving chamber that communicate with each other The sealing seat is set in the receiving cavity; the sealing seat is formed with an installation cavity; the atomizing core is set in the installation cavity; wherein, one end of the sealing seat is used to form the liquid storage The bottom surface of the cavity, and the other end is used to seal the receiving cavity; the sealing seat is integrally formed.

Wherein, the atomizing core is at least partially disposed in the installation cavity, the atomizing core includes a liquid-absorbing surface and an atomizing surface, and the liquid-absorbing surface communicates with the liquid storage chamber.

Wherein, an atomization cavity is formed between the atomization surface and the installation cavity; the housing is also formed with two atomization channels, and the two atomization channels are respectively arranged on both sides of the liquid storage cavity ; The two atomization channels communicate with the atomization chamber respectively.

Wherein, the sealing seat is also formed with an air outlet channel, and the atomization chamber communicates with the atomization channel through the air outlet channel; the air outlet channel is provided with a one-way valve, and the one-way valve makes the mist The aerosol generated by the atomization core flows from the atomization chamber to the atomization channel.

Wherein, one end of the sealing seat close to the liquid storage chamber is inserted into the liquid storage chamber, and the outer surface of the installation chamber is attached to the inner surface of the liquid storage chamber.

Wherein, the inner surface of the installation cavity is provided with an annular depression, and the side wall of the atomizing core is partially embedded in the annular depression.

Wherein, the installation cavity is in interference fit with the atomizing core.

Wherein, one end of the sealing seat close to the liquid storage chamber is formed with an air outlet and two lower liquid passages, and the two lower liquid passages are respectively arranged on both sides of the air outlet; the lower liquid passages One end communicates with the liquid storage chamber, and the other end communicates with the installation chamber.

Wherein, the atomizing core includes an atomizing surface and a liquid-absorbing surface, an atomizing cavity is formed between the atomizing surface and the installation cavity, and a communication hole is provided on the side wall of the installation cavity, and the communication hole The atomization chamber is communicated with the air outlet.

Wherein, the installation cavity includes a first side wall and a second side wall oppositely disposed, and the communication hole is provided on the first side wall and/or the second side wall.

Wherein, a ventilation gap is provided between the atomizing core and the cavity wall of the installation cavity.

Wherein, at least one first depression is provided on the side wall of the atomizing core, and/or at least one second depression is provided on the cavity wall of the installation cavity; the first depression and/or the second The recess is used to form the ventilation gap.

Wherein, at least one first rib is provided on the side wall of the atomizing core, and/or at least one second rib is provided on the cavity wall of the installation cavity; the first rib and/or the The second rib is used to form the ventilation gap.

Wherein, a ventilation element is arranged between the side wall of the atomizing core and the cavity wall of the installation cavity.

Wherein, the ventilator is a steel wire; the cross-sectional diameter of the steel wire is 0.1mm-0.5mm.

In order to solve the above technical problems, the second technical solution provided by this application is to provide an electronic atomization device, including a power supply assembly and an atomizer, and the atomizer is the atomizer described in any one of the above, The power supply component provides energy for the operation of the atomizer.

Beneficial effects of the present application: Different from the prior art, the atomizer in the present application includes a housing, a sealing seat and an atomizing core; the housing forms a liquid storage chamber and a storage chamber that communicate with each other; the sealing seat is arranged in the storage chamber Among them, the sealing seat is formed with an installation cavity, and the atomizing core is arranged in the installation cavity; wherein, one end of the sealing seat is used to form the bottom surface of the liquid storage chamber, and the other end is used to seal the storage cavity; the sealing seat is integrally formed. By providing the sealing seat with integral molding, one sealing seat can be used to complete the sealing of the atomizer, which reduces the number of seals, reduces the complexity of assembly, and avoids the dimensional tolerances of multiple seals and the assembly process. The influence of the formed tolerance on the sealing effect; and the sealing seat integrates the function of the atomizing seat, which further reduces the number of parts of the atomizer, further reduces the assembly complexity, and saves costs.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that need 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 skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1 is a schematic structural view of the first embodiment of the atomizer provided by the present application;

Fig. 2a is a partial structural schematic diagram of the first embodiment of the atomizer provided by the present application;

Figure 2b is an enlarged schematic view of area A in Figure 2a;

Fig. 3 is a schematic structural view of the sealing seat in the first embodiment of the atomizer provided by the present application;

Fig. 4 is another partial structural schematic diagram of the first embodiment of the atomizer provided by the present application;

Fig. 5 is a schematic cross-sectional view in the first direction of the second embodiment of the atomizer provided by the present application;

Fig. 6 is a schematic partial cross-sectional view in the first direction of the second embodiment of the atomizer provided by the present application;

Fig. 7 is a schematic partial cross-sectional view in the second direction of the second embodiment of the atomizer provided by the present application;

Fig. 8 is a schematic structural view of the first embodiment of the electronic atomization device provided by the present application;

Fig. 9 is a schematic structural diagram of a power supply assembly provided by the present application;

Fig. 10 is a partial structural schematic diagram of the first embodiment of the electronic atomization device provided by the present application;

Fig. 11 is a partial structural schematic diagram of the second embodiment of the electronic atomization device provided by the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

The terms "first", "second", and "third" in this application are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying 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 the present application, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined. All directional indications (such as up, down, left, right, front, back...) in the embodiments of the present application are only used to explain the relative positional relationship between the various components in a certain posture (as shown in the drawings) , sports conditions, etc., if the specific posture changes, the directional indication also changes accordingly. Furthermore, the terms "include" and "have", as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally further includes For other steps or units inherent in these processes, methods, products or apparatuses.

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.

Please refer to Figure 1-Figure 3, Figure 1 is a schematic structural diagram of the first embodiment of the atomizer provided by the application, Figure 2a is a schematic diagram of the partial structure of the first embodiment of the atomizer provided by the application, Figure 3 is a schematic diagram of the first embodiment of the atomizer provided by the application A schematic structural diagram of the sealing seat in the first embodiment of the atomizer is provided.

The atomizer 1 includes a housing 11 , a sealing seat 12 and an atomizing core 13 . The casing 11 is formed with a liquid storage cavity 111 and a receiving cavity 112 which communicate with each other. The sealing seat 12 is disposed in the receiving cavity 112 , the sealing seat 12 is formed with an installation cavity 121 , and the atomizing core 13 is disposed in the installation cavity 121 . One end of the sealing seat 12 is used to form the bottom surface of the liquid storage chamber 111, and the other end of the sealing seat 12 is used to seal the receiving chamber 112; the sealing seat 12 is integrally formed. Wherein, one end of the sealing seat 12 realizes the sealing of the liquid storage chamber 111 while forming the bottom surface of the liquid storage chamber 111; it can be understood that the sealing here is to avoid the disordered outflow of the aerosol-generating substrate in the liquid storage chamber 111 , to prevent leakage at the assembly gap. The sealing seat 12 is made of silica gel or plastic, preferably silica gel.

By providing the sealing seat 12 with integral molding, using one sealing seat 12 can not only realize the sealing of the liquid storage chamber 111, but also can realize the blocking and sealing of the open end of the receiving chamber 112, which reduces the number of seals and reduces the The assembly complexity is reduced, and the influence of the respective dimensional tolerances of multiple seals and the tolerances formed during the assembly process on the sealing effect is avoided; and the sealing seat 12 is formed with an installation cavity 121, and the atomizing core 13 is arranged in the installation cavity 121, that is, , the sealing seat 12 integrates the function of the atomizing seat, further reducing the number of parts of the atomizer 1, further reducing the complexity of assembly, making the installation easier, environmentally friendly and cost-saving.

The atomizing core 13 includes a porous liquid-guiding element (not shown in the figure) and a heating element (not shown in the figure). The surface of the heating element arranged on the porous liquid-guiding element is the atomizing surface, and the other surfaces of the porous liquid-guiding element are the liquid-absorbing surfaces. That is to say, the atomizing core 13 includes an atomizing surface and a liquid absorbing surface. In this embodiment, the liquid-absorbing surface of the atomizing core 13 communicates with the liquid storage cavity 111, and the aerosol-generating substrate in the liquid storage cavity 111 enters the atomizing core 13 through the liquid-absorbing surface of the atomizing core 13, and the The capillary force of the porous liquid guide in 13 guides the aerosol generating substrate to the atomizing surface, and is heated and atomized by the heating element to generate aerosol. By making the liquid-absorbing surface of the atomizing core 13 directly communicate with the liquid storage chamber 111 , the atomizing core 13 absorbs more liquid, and a better atomizing effect can be achieved.

Further, the end of the sealing seat 12 close to the liquid storage chamber 111 is inserted into the liquid storage chamber 111, and the outer surface of the installation chamber 121 is attached to the inner surface of the liquid storage chamber 111, thereby sealing the liquid storage chamber 111; it can be understood that the sealing It refers to avoiding the disorderly outflow of the aerosol-generating substrate in the liquid storage cavity 111 . By setting the end of the sealing seat 12 close to the liquid storage cavity 111 to be inserted into the liquid storage cavity 111, the liquid storage cavity 111 can be better sealed, and the surface of the atomizing core 13 close to the liquid storage cavity 111 is directly immersed in the liquid storage In the aerosol generating matrix in the cavity 111, the liquid absorption surface of the atomizing core 13 is directly immersed in the aerosol generating matrix in the liquid storage cavity 111, thereby making the liquid absorption of the atomizing core 13 more abundant, which is beneficial to The atomizing core 13 achieves a better atomizing effect.

It can be understood that the atomizing core 13 is installed in the installation cavity 121 of the seal seat 12, and can support the seal seat 12, so that the outer surface of the installation cavity 121 and the inner surface of the liquid storage cavity 111 fit more closely , so that the liquid storage cavity 111 is better sealed.

In this embodiment, the inner surface of the installation cavity 121 is provided with an annular depression 1221 , and the sidewall of the atomizing core 13 is embedded in the annular depression 1221 , so that the installation cavity 121 can better fix the atomizing core 13 . Specifically, the porous liquid-guiding element of the atomizing core 13 includes a main body and a protrusion, and the edge of the main body is embedded in the annular depression 1221 . Optionally, the installation cavity 121 is in interference fit with the atomizing core 13 . In one embodiment, the part of the installation cavity 121 corresponding to the annular depression 1221 is entirely located in the liquid storage cavity 111 .

In one embodiment, the sealing seat 12 has a first groove on the surface close to the liquid storage cavity 111 , the opening of the first groove faces the liquid storage cavity, and the first groove forms the installation cavity 121 . The atomizing core 13 is arranged in the first groove, so that the liquid-absorbing surface of the atomizing core 13 is exposed to the liquid storage chamber 111 through the opening of the first groove, and the aerosol-generating substrate in the liquid storage chamber 111 passes through the first groove The opening directly enters the atomizing core 13. Specifically, only one first groove is provided on the surface of the sealing seat 12 close to the liquid storage chamber 111. Optionally, the opening area of the first groove may account for more than 70% of the surface of the sealing seat 12 close to the liquid storage chamber 111, Preferably, it is 90% or more. Through the above configuration, all or at least most of the liquid-absorbing surface of the atomizing core 13 can be directly exposed to the liquid storage chamber 111 , and the atomizing core 13 absorbs liquid more fully, and a better atomizing effect can be achieved.

In this embodiment, an atomization cavity 123 is formed between the atomization surface of the atomization core 13 and the installation cavity 121 , and the aerosol atomized by the atomization core 13 is released in the atomization cavity 123 .

The casing 11 is also formed with two atomizing channels 113, the two atomizing channels 113 are respectively arranged on both sides of the liquid storage chamber 111, and the two atomizing channels 113 and the liquid storage chamber 111 are arranged side by side; the two atomizing channels 113 communicate with atomizing chambers 123 respectively. It can be understood that one end of the atomization channel 113 communicates with the atomization chamber 123, and the other end of the atomization channel 113 communicates with the outside atmosphere. Users can inhale at the port of the atomization channel 113 away from the atomization chamber 123 to inhale The atomizing core 13 atomizes the aerosol.

In this embodiment, the sealing seat 12 is further formed with an air outlet channel 124 , and the atomization chamber 123 communicates with the atomization channel 113 through the air outlet channel 124 . Specifically, the two outlet channels 124 are respectively located on opposite sides of the atomization chamber 123 and communicate with the atomization chamber 123 respectively. connected. In this embodiment, an inner recess is formed on the end of the sealing seat 12 close to the liquid storage chamber 111, so that the end of the sealing seat 12 can be inserted into the liquid storage chamber 111 and a gap is formed between the side wall of the inner recess and the inner surface of the receiving chamber 112 , so that the air outlet channel 124 communicates with the atomizing channel 113 through the gap.

Further, a one-way valve 1241 may also be provided on the air outlet channel 124 , and the one-way valve 1241 allows the aerosol generated by the atomizing core 13 to flow from the atomizing chamber 123 to the atomizing channel 113 through the air outlet channel 124 . When the user is inhaling, the one-way valve 1241 is opened, and the aerosol generated by the heating of the atomizing core 13 flows from the atomizing chamber 123 to the atomizing channel 113 through the air outlet channel 124; when the user stops inhaling, the one-way valve 1241 is closed to prevent fogging. Leaked liquid or condensed liquid in the chemical chamber 123 leaks out through the gas outlet channel 124 . It can be understood that the one-way valve 1241 can be an electronically controlled mechanical valve, or a one-way valve structure such as a Tesla valve, which can be specifically designed according to needs. By setting the one-way valve 1241 to be opened only when the user is inhaling, it is possible to prevent the aerosol-generating substrate or condensate from leaking through the air outlet channel 124 in a non-inhaling state, thereby reducing user experience.

Referring to Fig. 1, there is a second groove 130 at the end of the sealing seat 12 away from the liquid storage chamber 111, and the opening end of the second groove 130 communicates with the outside atmosphere; the bottom wall of the second groove 130 is provided with a through hole (Fig. Not marked), the atomizing chamber 123 communicates with the second groove 130 through the through hole, so that the atomizing chamber 123 communicates with the outside atmosphere. That is, the external air enters the atomizing chamber 123 through the through hole on the bottom wall of the second groove 130, and carries the atomized aerosol of the atomizing core 13 into the atomizing channel 113 through the air outlet channel 124, and flows to the bottom of the atomizing channel 113. The port is sucked by the user.

Further, a ventilation gap (not shown) is provided between the atomizing core 13 and the wall of the installation cavity 121 to perform ventilation in the liquid storage cavity 111; that is, on the outer surface of the atomizing core 13 There is a ventilation gap between the inner surface of the installation chamber 121, and the ventilation gap connects the atomization chamber 123 with the liquid storage chamber 111, and the atomization chamber 123 communicates with the outside atmosphere to realize the ventilation of the liquid storage chamber 111 , so that the air pressure of the liquid storage chamber 111 is balanced with the external atmosphere, thereby ensuring that the aerosol-generating substrate in the liquid storage chamber 111 is smoothly discharged to the atomizing core 13 . It can be understood that the size of the ventilation gap is not enough to allow a large amount of aerosol-generating substrates in the liquid storage chamber 111 to directly enter the atomizing core 13 through the ventilation gap.

In one embodiment, at least one first depression (not shown) is provided on the side wall of the atomizing core 13, and/or at least one second depression (not shown) is provided on the cavity wall of the installation cavity 121, The first recess and/or the second recess are used to form a ventilation gap. Specifically, the first depression cooperates with the wall of the installation cavity 121 to form a ventilation gap, or the second depression cooperates with the side wall of the atomizing core 13 to form a ventilation gap, or the first depression and the second depression cooperate to form a ventilation gap. gap. It can be understood that by setting the first depression and/or the second depression, a part of the side wall of the atomizing core 13 and a part of the cavity wall of the installation cavity 121 are spaced apart, so that the liquid storage cavity 111 communicates with the atomization cavity 123, Realize the ventilation of the liquid storage chamber 111.

In another embodiment, at least one first rib (not shown in the figure) is provided on the side wall of the atomizing core 13, and/or at least one second rib (not shown in the figure) is provided on the wall of the installation cavity 121 unmarked), the first rib and/or the second rib are used to form a ventilation gap. Specifically, the first rib cooperates with the wall of the installation cavity 121 to form a ventilation gap, or the second rib cooperates with the side wall of the atomizing core 13 to form a ventilation gap, or the first rib and the second rib cooperate The setting forms the ventilation gap. It can be understood that by arranging the first rib and/or the second rib, a part of the side wall of the atomizing core 13 and a part of the wall of the installation cavity 121 are spaced apart, so that the liquid storage cavity 111 and the atomization cavity 123 communicated to realize the ventilation of the liquid storage chamber 111.

In yet another embodiment, a ventilator 1223 is provided between the side wall of the atomizing core 13 and the wall of the installation cavity 121 (please refer to FIG. 4 , which is the first embodiment of the atomizer provided in this application. Another partial structural schematic diagram of the above); optionally, the ventilator 1223 is a steel wire, that is, a steel wire is arranged between the side wall of the atomizing core 13 and the wall of the installation cavity 121, and the cross-sectional diameter of the steel wire is 0.1 mm-0.5 mm, preferably the cross-sectional diameter of the steel wire is 0.2mm-0.3mm, the tolerance of the steel wire is small and the installation is simple, which can simplify the process. It can be understood that by setting the ventilator 1223 between the side wall of the atomizing core 13 and the wall of the installation cavity 121 , a part of the side wall of the atomization core 13 and a part of the wall of the installation cavity 121 are spaced apart, The liquid storage chamber 111 is communicated with the atomizing chamber 123 to realize ventilation of the liquid storage chamber 111 . In this embodiment, the material of the ventilation element 1223 can also be other metals or non-metals, as long as part of the side wall of the atomizing core 13 and part of the cavity wall of the installation cavity 121 can be spaced apart.

Referring to Fig. 2a, the end of the sealing seat 12 away from the liquid storage chamber 111 is provided with an electrode hole 125, the electrode hole 125 is used to insert the electrode thimble 21 (see Fig. 9) of the power supply assembly 2 to realize the connection between the power supply assembly 2 and the atomizing core 13 electrical connection. The electrode hole 125 is configured to have an interference fit with the electrode thimble 21 to realize the fixation of the atomizer 1 and the power supply assembly 2 . By inserting the electrode thimble 21 into the electrode hole 125, the electrical connection between the power supply assembly 2 and the atomizing core 13 can be realized, so that the power supply assembly 2 and the atomizing core 13 can be connected without setting an electrode conducting piece on the atomizer 1 Electrical connection: the electrode hole 125 is configured as an interference fit with the electrode thimble 21, so that the plug-in fixation of the atomizer 1 and the power supply assembly 2 can be realized without setting up connection structures on the atomizer 1 and the power supply assembly 2 respectively , Reduce the number of parts and reduce the complexity of assembly.

The atomizer 1 also includes a lead wire 14; the first end of the lead wire 14 is set in the atomizing core 13, and the second end is set in the electrode hole 125, so that the electrode thimble 21 can pass through the lead wire 14 and the atomizing core 13 after being inserted into the electrode hole 125. electrical connection. Specifically, the main body of the lead wire 14 is set in the atomizing chamber 123, one end is electrically connected to the heating element of the atomizing core 13, and the other end extends in the electrode hole 125 to connect with the electrode thimble 21, so as to realize the connection between the atomizing core 13 and the electrode thimble. 21, so as to realize the electrical connection between the atomizing core 13 and the power supply assembly 2.

Specifically, the end of the sealing seat 12 away from the liquid storage chamber 111 has a mounting groove 126 , and the electrode hole 125 is a blind hole provided on the bottom wall of the mounting groove 126 , that is, the diameter of the mounting groove 126 is larger than that of the electrode hole 125 . The second end of the lead wire 14 penetrates into the installation groove 126 from the bottom wall or the side wall of the installation groove 126 and is bent to be disposed on the inner surface of the electrode hole 125 . In this embodiment, a through hole 1262 is provided on the sealing seat 12, the through hole 1262 communicates the installation cavity 121 with the installation groove 126, and the through hole 1262 is spaced apart from the electrode hole 125, and the second end of the lead wire 14 passes through After passing through the through hole 1262, it is bent to be disposed on the inner surface of the electrode hole 125 (please refer to FIG. 2b, FIG. 2b is an enlarged schematic diagram of area A in FIG. 2a). It can be understood that the end of the sealing seat 12 away from the liquid storage chamber 111 has two installation grooves 126 to form electrode holes 125 on the bottom wall of the installation groove 126 respectively, that is, two electrode holes 125 are formed; preferably, two electrodes The holes 125 are arranged symmetrically. Referring to FIG. 1 , two electrode holes 125 are respectively disposed on two sides of the second groove 130 .

By first entering the second end of the lead wire 14 into the installation groove 126 and then bending it to the electrode hole 125, the aerosol-generating substrate or condensate enters the installation groove 126 preferentially through the lead wire 14, thereby entering the power supply assembly 2 and being connected to the power supply assembly 2. It is not easy to enter the electrode hole 125, so as to prevent the leakage from affecting the electrical connection between the electrode thimble 21 and the atomizing core 13. Optionally, the interference fit between the lead wire 14 and the through hole 1262 can further prevent the aerosol-generating substrate or condensate from flowing out through the through hole 1262 .

In another embodiment, the atomizer 1 may not include the lead wire 14, and the atomizing core 13 is provided with a metal electrode at a position away from the liquid storage chamber 111; optionally, the metal electrode is a silver electrode. The electrode thimble 21 is inserted into the electrode hole 125 to be electrically connected with the metal electrode, so as to realize the electrical connection between the power supply assembly 2 and the atomizing core 13 . The structure of the end of the sealing seat 12 away from the liquid storage chamber 111 can be changed accordingly, for example, refer to the structure of the end of the sealing seat 12 away from the liquid storage chamber 111 in the second embodiment of the nebulizer 1 .

Referring to Fig. 1 and Fig. 3, a first annular protrusion 127 and a second annular protrusion 128 are provided on the outer surface of the sealing seat 12 near the end of the liquid storage chamber 111, and the first annular protrusion 127 is in contact with the inner surface of the liquid storage chamber 111. The surface abuts, the second annular protrusion 128 abuts against the end of the cavity wall of the liquid storage chamber 111 , and the sealing of the liquid storage chamber 111 is strengthened by the first annular protrusion 127 and the second annular protrusion 128 . Specifically, the second annular protrusion 128 forms a first stepped portion on the outer surface of the installation cavity 121, and the width of the first stepped portion is equivalent to the thickness of the cavity wall of the liquid storage cavity 111, so that the end of the cavity wall of the liquid storage cavity 111 The portion abuts against the surface of the first step portion.

A third annular protrusion 129 and a fourth annular protrusion 120 are provided on the outer surface of the sealing seat 12 away from the end of the liquid storage chamber 111, the third annular protrusion 129 abuts against the inner surface of the receiving chamber 112, and the fourth annular protrusion The protrusion 120 abuts against the end of the cavity wall of the receiving chamber 112 , and the end of the receiving chamber 112 away from the liquid storage chamber 111 is sealed through the third annular protrusion 129 and the fourth annular protrusion 120 . Specifically, the fourth annular protrusion 120 forms a second stepped portion on the outer surface of the sealing seat 12, and the width of the second stepped portion is equivalent to the thickness of the cavity wall of the receiving cavity 112, so that the end of the cavity wall of the receiving cavity 112 abuts against connected to the surface of the second step.

Please refer to Figure 5-Figure 7, Figure 5 is a schematic cross-sectional view of the first direction of the second embodiment of the atomizer provided by this application, and Figure 6 is a partial view of the first direction of the second embodiment of the atomizer provided by this application Schematic cross-sectional view, FIG. 7 is a schematic partial cross-sectional view in the second direction of the second embodiment of the atomizer provided by the present application. Wherein, the first direction is perpendicular to the second direction.

In the second embodiment, the atomizer 1 includes a housing 11 , a sealing seat 12 and an atomizing core 13 . The casing 11 is formed with a liquid storage cavity 111 and a receiving cavity 112 which communicate with each other. The sealing seat 12 is disposed in the receiving cavity 112 , the sealing seat 12 is formed with an installation cavity 121 , and the atomizing core 13 is disposed in the installation cavity 121 . One end of the sealing seat 12 is used to form the bottom surface of the liquid storage chamber 111 , and the other end of the sealing seat 12 is used to seal the receiving chamber 112 ; the sealing seat 12 is integrally formed. Wherein, one end of the sealing seat 12 realizes the sealing of the liquid storage chamber 111 while forming the bottom surface of the liquid storage chamber 111; it can be understood that the sealing here is to avoid the disordered outflow of the aerosol-generating substrate in the liquid storage chamber 111 , to prevent leakage at the assembly gap. The sealing seat 12 is made of silica gel or plastic, preferably silica gel.

An air outlet 151 and a lower liquid channel 152 are formed at the end of the sealing seat 12 close to the liquid storage chamber 111 . In this embodiment, two lower liquid passages 152 are formed at one end of the sealing seat 12 close to the liquid storage cavity 111 , and the two lower liquid passages 152 are respectively arranged on two sides of the air outlet hole 151 . One end of the lower liquid channel 152 communicates with the liquid storage chamber 111 , and the other end communicates with the installation chamber 121 . The aerosol-generating substrate in the liquid storage chamber 111 enters the atomizing core 13 through the lower liquid channel 152 .

The atomizing core 13 includes a porous liquid-guiding element (not shown in the figure) and a heating element (not shown in the figure). That is to say, the atomizing core 13 includes an atomizing surface and a liquid absorbing surface. The aerosol-generating substrate in the liquid storage chamber 111 enters the liquid-absorbing surface through the lower liquid channel 152, uses the capillary force of the porous liquid-guiding member in the atomizing core 13 to guide the aerosol-generating substrate to the atomizing surface, and is heated by the heating element Atomization produces aerosols. An atomizing cavity 123 is formed between the atomizing surface of the atomizing core 13 and the installation cavity 121 , and a communication hole 1211 is provided on the side wall of the installation cavity 121 , the communication hole 1211 communicates the atomization cavity 123 with the air outlet 151 . The installation cavity 121 includes a first side wall (not shown in the figure) and a second side wall (not shown in the figure) oppositely arranged, and a communication hole 1211 is disposed on the first side wall and/or the second side wall. In this embodiment, the communicating hole 1211 is provided only on one of the first side wall and the second side wall; that is, the atomizing core 13 is installed laterally (as shown in FIG. 7 ). Wherein, the structural size of the communication hole 1211 can be designed according to needs, and it only needs to enable the atomization chamber 123 to communicate with the air outlet hole 151 .

In one embodiment, a third groove (not shown) is provided on the side wall of the sealing seat 12 , and the third groove forms the installation cavity 121 . The opening of the third groove serves as the communication hole 1211 . When the atomizing core 13 is disposed in the third groove, an atomizing chamber 123 is formed between the surface of the atomizing core 13 away from the liquid storage chamber 111 (ie, the atomizing surface) and the third groove. An air outlet 151 and a lower liquid passage 152 are provided on the side wall of the third groove, so that the lower liquid passage 152 communicates with the installation chamber 121 , and the air outlet 151 communicates with the atomization chamber 123 through the opening of the third groove. It can be understood that, optionally, a through hole is provided on the bottom wall of the third groove, and the through hole forms a communication hole 1211, so that a communication hole is provided on the first side wall and/or the second side wall of the installation cavity 121 1211.

Referring to Fig. 5 and Fig. 7, the shell 11 is also formed with an atomizing channel 113, one end of the atomizing channel 113 communicates with the outside atmosphere; the liquid storage chamber 111 is arranged around the atomizing channel 113; There is a second groove 130 at the end of the sealing seat 12 away from the liquid storage chamber 111, and the opening end of the second groove 130 communicates with the outside atmosphere; a through hole (not marked) is arranged on the bottom wall of the second groove 130, The atomizing chamber 123 communicates with the second groove 130 through a through hole, so that the atomizing chamber 123 communicates with the outside atmosphere. The outside air enters the atomization chamber 123 through the through hole on the bottom wall of the second groove 130, and carries the aerosol generated by the atomization of the atomization core 13 from the atomization chamber 123 to the atomization channel 113 through the communication hole 1211 and the air outlet hole 151. The user inhales the aerosol by inhaling at the port of the atomizing channel 113 .

It can be understood that the atomizing core 13 is installed in the installation cavity 121 of the sealing seat 12 and can support the sealing seat 12 . In this embodiment, the inner surface of the installation cavity 121 is provided with an annular recess 1221, and the side wall of the atomizing core 13 is partially embedded in the annular recess 1221, so as to achieve better fixing of the atomizing core 13.

Further, a ventilation gap (not shown in the figure) is provided between the atomizing core 13 and the wall of the installation cavity 121 to perform ventilation in the liquid storage cavity 111 . In the second embodiment of the atomizer 1 , the function of the ventilation gap and its setting method are the same as those in the first embodiment of the atomizer 1 , and will not be repeated here. Referring to FIG. 6 , the end of the sealing seat 12 away from the liquid storage cavity 111 is provided with an electrode hole 125 , and the electrode hole 125 is used to insert the electrode thimble 21 (see FIG. 9 ) of the power supply assembly 2 to realize the connection between the power supply assembly 2 and the atomizing core 13 are electrically connected, and the electrode hole 125 is configured to interfere with the electrode thimble 21 to realize the fixation of the atomizer 1 and the power supply assembly 2 . The electrical connection between the power supply assembly 2 and the atomizing core 13 can be realized by inserting the electrode thimble 21 into the electrode hole 125, so that the power supply assembly 2 can be realized without setting an electrode conducting member (for example, an electrode thimble) on the atomizer 1 The electrical connection with the atomizing core 13; the electrode hole 125 is configured as an interference fit with the electrode thimble 21, so that the atomization can be realized without separately setting a connecting structure (for example, a magnet) on the atomizer 1 and the power supply assembly 2 The fixation of the device 1 and the power supply assembly 2 reduces the number of parts and reduces the complexity of assembly.

It can be understood that two electrode holes 125 are arranged at the end of the sealing seat 12 away from the liquid storage chamber 111 ; preferably, the two electrode holes 125 are arranged symmetrically. Referring to FIG. 6 , two electrode holes 125 are respectively disposed on two sides of the second groove 130 .

In this embodiment, a metal electrode (not shown) is provided at a position away from the liquid storage chamber 111 of the atomizing core 13 to electrically connect with the electrode thimble 21; optionally, the metal electrode is a silver electrode. The bottom wall of the electrode hole 125 is configured to be punctured, that is, the bottom wall of the electrode hole 125 is configured so that the electrode thimble 21 can pierce the bottom wall of the electrode hole 125 to be electrically connected with the metal electrode when the electrode thimble 21 is inserted into the electrode hole 125, thereby The electrical connection between the power supply assembly 2 and the atomizing core 13 is realized. It can be understood that before the electrode thimble 21 is not inserted into the electrode hole 125 , the bottom wall of the electrode hole 125 is intact, which can prevent the liquid in the atomization chamber 123 from leaking out.

In another embodiment, the atomizer 1 includes a lead wire 14; the first end of the lead wire 14 is set on the atomizing core 13, and the second end is bent and set on the inner surface of the electrode hole 125, so that the electrode thimble 21 is inserted into the electrode hole 125 To be electrically connected with the atomizing core 13. The structure of the end of the sealing seat 12 away from the liquid storage chamber 111 can be changed accordingly, for example, refer to the structure of the end of the sealing seat 12 far away from the liquid storage chamber 111 in the first embodiment of the nebulizer 1 .

Referring to Fig. 6, a first annular protrusion 127 is provided on the outer surface of the sealing seat 12 close to the end of the liquid storage chamber 111, and the first annular protrusion 127 abuts against the inner surface of the liquid storage chamber 111 to strengthen the protection against the liquid storage chamber. 111 seals. A third annular protrusion 129 and a fourth annular protrusion 120 are provided on the outer surface of the sealing seat 12 away from the end of the liquid storage chamber 111, the third annular protrusion 129 abuts against the inner surface of the receiving chamber 112, and the fourth annular protrusion The protrusion 120 abuts against the end of the cavity wall of the receiving cavity 112 , and the end of the receiving cavity 112 away from the liquid storage cavity 111 is sealed through the third annular protrusion 129 and the fourth annular protrusion 120 . A block 153 is provided on the outer surface of the sealing seat 12 away from the end of the liquid storage chamber 111, and a slot (not shown) is provided on the inner surface of the receiving cavity 112. The fixing of the sealing seat 12 and the housing 11 is realized.

Please refer to Figures 8-10, Figure 8 is a schematic structural diagram of the first embodiment of the electronic atomization device provided by this application, Figure 9 is a schematic structural diagram of a power supply assembly provided by this application, and Figure 10 is a schematic structural diagram of an electronic atomization device provided by this application Partial structural schematic diagram of the first embodiment of the device.

Electronic atomization devices can be used for atomization of aerosol-generating substrates such as nicotine-containing solutions and liquid medicines. The electronic atomization device includes an atomizer 1 and a power supply assembly 2 connected to each other. The nebuliser 1 is used to store the aerosol-generating substrate and atomize the aerosol-generating substrate to form an aerosol that can be inhaled by a user. The atomizer 1 can be used in different fields, such as medical treatment, electronic aerosolization device, etc.; in a specific embodiment, the atomizer 1 can be used in an electronic aerosolization device for atomizing aerosol generation Substrate and generate aerosol for inhalation by the inhaler, the following embodiments are all taken as an example; of course, in other embodiments, the atomizer 1 can also be applied to hairspray equipment to atomize for hair styling hairspray; or medical equipment used in the treatment of upper and lower respiratory diseases to aerosolize medical drugs. The power supply component 2 is used to provide energy for the operation of the atomizer 1, so that the atomizer 1 can atomize the aerosol generating substrate to form an aerosol.

The power supply assembly 2 includes an electrode thimble 21, a bracket 22, an air flow sensor, a battery and a controller. The airflow sensor is used to sense whether the user is inhaling, and the controller controls whether the battery supplies power to the atomizer and whether the atomizer 1 works according to the sensing result of the airflow sensor. The airflow sensor, battery and controller are fixed on the bracket 22 . A connecting seat 221 is formed at the end of the bracket 22 close to the atomizer, and the electrode thimble 21 is disposed on the connecting seat 221 . One end of the electrode thimble 21 is electrically connected to the battery and the controller, and the other end is used to connect to the atomizer 1 .

In the first embodiment of the electronic atomization device, the structure of the atomizer 1 is the structure of the first embodiment of the atomizer 1 introduced above, and will not be repeated here. The electrode thimble 21 in the power supply assembly 2 includes a first part 211 and a second part 212, the first part 211 is arranged on the connection seat 221 of the support 22 and is electrically connected with the controller, and the second part 212 protrudes from the connection seat 221 to form a free end for use To insert the nebulizer 1. The second part 212 includes a connection part 213 and an insertion part 214 , and the insertion part 214 is disposed on a side of the connection part 213 away from the first part 211 . The connection part 213 is cylindrical; the cross-sectional area of the insertion part 214 near the end of the connection part 213 is equal to the cross-sectional area of the connection part 213 near the end of the insertion part 214; The cross-sectional area is gradually reduced to form a tip for easy insertion into the electrode hole 125 (as shown in FIG. 10 ).

Please refer to FIG. 11 . FIG. 11 is a partial structural diagram of the second embodiment of the electronic atomization device provided by the present application.

In the second embodiment of the electronic atomization device, the structure of the atomizer 1 is the structure of the second embodiment of the atomizer 1 introduced above, and will not be repeated here. The structure of the power supply assembly 2 in FIG. 11 is basically the same as that of the power supply assembly 2 in FIG. 9 , except that the structure of the electrode thimble 21 is different. Specifically, the electrode thimble 21 in the power supply assembly 2 includes a first part 211 and a second part 212 , the first part 211 is disposed on the power supply assembly 2 , and the second part 212 is used for inserting into the atomizer 1 . The second part 212 includes a connection part 213 and an insertion part 214 , and the insertion part 214 is disposed on a side of the connection part 213 away from the first part 211 . The connection part 213 is cylindrical; the cross-sectional area of the insertion part 214 near the end of the connection part 213 is larger than the cross-sectional area of the connection part 213 near the end of the insertion part 213; the cross-section of the insertion part 214 is circular, and the insertion part 214 faces away from the direction of the first part 211 The cross-sectional area decreases gradually so as not to easily pierce the second common wall 1251 to realize the electrical connection with the atomizing core 13 . The cross-sectional area of the insertion portion 214 near the end of the connecting portion 213 is larger than the cross-sectional area of the electrode hole 125, so that the insertion portion 214 of the electrode thimble 21 can be clamped on the end of the electrode hole 125, preventing the electrode thimble 21 from falling off from the electrode hole 125, thereby enabling The fixed connection between the atomizer 1 and the power supply assembly 2 can be realized by inserting the electrode thimble 21 into the electrode hole 125 . Moreover, the end of the insertion portion 214 close to the connection portion 213 covers the electrode hole 125 , which can prevent leakage of liquid in the atomizing chamber 123 .

The above is only the implementation of the application, and does not limit the patent scope of the application. Any equivalent structure or equivalent process conversion made by using the specification and drawings of the application, or directly or indirectly used in other related technologies fields, are all included in the scope of patent protection of this application in the same way.

Claims

A nebulizer, comprising:

The shell is formed with a liquid storage chamber and a receiving chamber that communicate with each other;

The sealing seat is arranged in the receiving cavity; the sealing seat is formed with an installation cavity;

The atomizing core is arranged in the installation cavity;

Wherein, one end of the sealing seat is used to form the bottom surface of the liquid storage chamber, and the other end is used to seal the receiving chamber; the sealing seat is integrally formed.
The atomizer according to claim 1, wherein the atomizing core is at least partially disposed in the installation cavity, the atomizing core includes a liquid-absorbing surface and an atomizing surface, and the liquid-absorbing surface and the The liquid storage cavity is connected.
The atomizer according to claim 2, wherein an atomization cavity is formed between the atomization surface and the installation cavity; and two atomization channels are formed in the housing, and the two atomization channels They are respectively arranged on both sides of the liquid storage chamber; the two atomization channels communicate with the atomization chamber respectively.
The atomizer according to claim 3, wherein the sealing seat is further formed with an air outlet channel, and the atomization chamber communicates with the atomization channel through the air outlet channel; the air outlet channel is provided with a one-way A valve, the one-way valve allows the aerosol generated by the atomizing core to flow from the atomizing chamber to the atomizing channel.
The atomizer according to claim 2, wherein one end of the sealing seat close to the liquid storage chamber is inserted into the liquid storage chamber, and the outer surface of the installation chamber is attached to the inner surface of the liquid storage chamber .
The atomizer according to claim 2, wherein the inner surface of the installation cavity is provided with an annular depression, and the side wall of the atomizing core is partially embedded in the annular depression.
The atomizer according to claim 2, wherein the installation cavity is in interference fit with the atomizing core.
The atomizer according to claim 1, wherein an air outlet hole and two lower liquid passages are formed on the end of the sealing seat close to the liquid storage chamber, and the two lower liquid passages are respectively arranged on the outlet Both sides of the air hole; one end of the lower liquid channel communicates with the liquid storage chamber, and the other end communicates with the installation chamber.
The atomizer according to claim 8, wherein the atomization core includes an atomization surface and a liquid absorption surface, an atomization cavity is formed between the atomization surface and the installation cavity, and the side of the installation cavity A communication hole is provided on the wall, and the communication hole communicates the atomization chamber with the air outlet.
The atomizer according to claim 9, wherein, the installation cavity includes a first side wall and a second side wall oppositely arranged, and the first side wall and/or the second side wall are provided with The communicating hole.
The atomizer according to claim 1, wherein a ventilation gap is provided between the atomizing core and the cavity wall of the installation cavity.
The atomizer according to claim 11, wherein at least one first depression is provided on the side wall of the atomizing core, and/or at least one second depression is provided on the cavity wall of the installation cavity; The first recess and/or the second recess are used to form the ventilation gap.
The atomizer according to claim 11, wherein at least one first rib is provided on the side wall of the atomizing core, and/or at least one second rib is provided on the cavity wall of the installation cavity ; The first rib and/or the second rib are used to form the ventilation gap.
The atomizer according to claim 11, wherein a ventilation element is arranged between the side wall of the atomizing core and the wall of the installation cavity.
The atomizer according to claim 14, wherein the ventilation element is a steel wire; the cross-sectional diameter of the steel wire is 0.1mm-0.5mm.
An electronic atomization device, including:

A nebulizer, the nebulizer is the nebulizer according to any one of claims 1-15;

The power supply component provides energy for the operation of the atomizer.