CN218737215U - Atomizer and electronic atomization device - Google Patents

Abstract

The application provides an atomizer and an electronic atomization device, wherein the atomizer comprises a shell and an atomization assembly, and the shell is provided with a liquid storage cavity; an atomization assembly disposed on the housing for atomizing the aerosol-generating substrate stored in the reservoir; wherein, stock solution chamber and external world are provided with the passageway of taking a breath, and the passageway of taking a breath is one-way conduction structure, and the efficiency lies in realizing one-way taking a breath for with the leading-in stock solution chamber of outside air, with the pressure in the balanced stock solution intracavity, make the stock solution chamber down liquid even around atomizing, and then make atomizing volume even, and make the aerosol generation matrix in the stock solution intracavity be difficult to leak through the passageway of taking a breath, improve and use experience.

Description

Atomizer and electronic atomization device

Technical Field

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

Background

The existing electronic atomization device for medical use generally adopts an open liquid storage structure, that is, aerosol generating substrates (essential oil, beauty liquid, liquid medicine and the like) are poured into a liquid storage bin and atomized for use. This arrangement requires frequent addition and replacement of the aerosol-generating substrate, which makes the operation cumbersome, and the open reservoir arrangement also tends to contaminate the aerosol-generating substrate.

Stock solution structure and atomization component integrated structure, solution above-mentioned problem that can be better. However, the liquid storage structure is sealed after aerosol generating substrate is injected, negative pressure is formed in the aerosol generating substrate in the consumption process of the aerosol generating substrate, liquid discharging is difficult, the mist output of the electronic atomization device is caused to be large in the front and small in the back, and use experience is affected.

SUMMERY OF THE UTILITY MODEL

The application provides an atomizer and electronic atomization device, can solve the atomizing volume inhomogeneous and influence the problem of using experience around current electronic atomization device atomizes.

In order to solve the technical problem, the application adopts a technical scheme that: there is provided an atomizer comprising: a housing having a reservoir cavity; an atomization assembly disposed on the housing for atomizing aerosol-generating substrate stored within the reservoir; the liquid storage cavity is provided with a ventilation channel with the outside, and the ventilation channel is of a one-way conduction structure and used for guiding outside air into the liquid storage cavity.

In one embodiment, the ventilation channel is a capillary pore.

In one embodiment, the capillary pore has a bend.

In one embodiment, the ventilation channel is a tesla valve.

In one embodiment, the housing has a receiving cavity; one end of the accommodating cavity is provided with an opening, and the side wall of the accommodating cavity is also provided with a first through hole; the atomization assembly is arranged on the shell and covers the first through hole; the atomizer also comprises an air exchange piece which is at least partially arranged in the shell and covers the opening; the air exchange piece, the atomization assembly and the shell are matched to form the liquid storage cavity; wherein the ventilation member has the ventilation channel.

In one embodiment, the ventilation channel is the capillary pore; the ventilation piece comprises a body part and a sealing part sleeved on the outer surface of the body part, a capillary micro-groove is arranged on the side surface of the body part, the capillary micro-groove is provided with an air inlet end and an air outlet end, the sealing part is provided with a second through hole communicated with the liquid storage cavity, the air inlet end is communicated with the outside air, the air outlet end is communicated with the second through hole, and the capillary micro-groove and the sealing part are matched to define the ventilation channel.

In one embodiment, the capillary micro-groove is arranged on the side surface of the body part and comprises a transverse groove arranged along the width direction of the atomizer and a vertical groove arranged along the height direction of the atomizer; the quantity of horizontal straight groove is many and interval setting, and two adjacent horizontal straight grooves are through at least one vertical groove intercommunication in order to form the kink.

In one embodiment, the main body has a first recess, and the atomizing assembly is at least partially accommodated in a space defined by the first recess.

In an embodiment, the body portion includes a first sub body portion and a second sub body portion, the first sub body portion and the second sub body portion are symmetrically disposed on two sides of the first relief portion, and a side surface of the first sub body portion and/or the second sub body portion has the capillary micro groove.

In one embodiment, the atomizing assembly comprises: an atomizing base having a mounting cavity in fluid communication with the reservoir cavity; the atomizing sheet is arranged in the mounting cavity; the first yielding part is an arc-shaped groove arranged corresponding to the first through hole, and at least part of the atomizing seat is accommodated in a space defined by the first yielding part.

In one embodiment, the atomizing base is provided with a convex part, and the pin of the atomizing sheet is arranged in the convex part; the bottom wall of the first abdicating part is provided with a first abdicating hole, and the convex part penetrates through the first abdicating hole.

In one embodiment, one end of the main body part, which is far away from the liquid storage cavity, is provided with a first accommodating groove, and the first accommodating groove is communicated with the air inlet end; a porous substrate is also disposed within the first receiving cavity, the porous substrate allowing ambient air to be introduced into the air inlet end and absorbing aerosol-generating substrate flowing out of the air inlet end.

In an embodiment, the air inlet end is a third through hole on a side wall of the first accommodating groove, and the air inlet end is communicated with one of the plurality of transverse straight grooves which is farthest away from the liquid storage cavity; the end of giving vent to anger is for following the vertical groove that the atomizer direction of height set up, just the one end and the many of the end of giving vent to anger the horizontal straight flute is middle distance the liquid storage chamber is one nearest horizontal straight flute intercommunication, the other end with the second through-hole intercommunication.

In an embodiment, an end of the ventilation channel remote from the reservoir chamber is provided with a porous substrate which allows ambient air to be introduced into the ventilation channel and absorb aerosol-generating substrate from the reservoir chamber out of the ventilation channel.

In order to solve the above technical problem, another technical solution adopted by the present application is: there is provided an atomizing device comprising: an atomizer according to any one of the above; and the host machine supplies power to the atomizer and controls the atomizer to work.

Different from the prior art, the atomizer and the electronic atomization device provided by the application comprise a shell and an atomization assembly, wherein the shell is provided with a liquid storage cavity; an atomization assembly disposed on the housing for atomizing the aerosol-generating substrate stored in the reservoir; wherein, the stock solution chamber is provided with the passageway of taking a breath with the external world, and the passageway of taking a breath is the one-way conduction structure, and the efficiency lies in realizing one-way taking a breath for with the leading-in stock solution chamber of outside air, with the pressure in the balanced stock solution intracavity, make the lower liquid of stock solution chamber around atomizing even, and then make atomizing volume even, and make the aerosol generation matrix in the stock solution intracavity be difficult to leak through the passageway of taking a breath, improve and use experience.

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 are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

fig. 1 is a schematic structural diagram of an embodiment of an electronic atomization device provided in the present application;

FIG. 2 is a schematic view of the electronic atomizer shown in FIG. 1 with a portion of the housing removed;

FIG. 3 is a schematic structural diagram of an embodiment of an atomizer provided herein;

FIG. 4 is an exploded view of the structure of the atomizer shown in FIG. 3;

FIG. 5 is an exploded view of the atomizing assembly shown in FIG. 4;

FIG. 6 is a schematic view of the body portion shown in FIG. 4 at a first angle;

FIG. 7 is an enlarged view of the structure of region A as shown in FIG. 6;

FIG. 8 is a schematic view of the body shown in FIG. 4 at a second angle;

FIG. 9 is an enlarged view of the structure of the region B as shown in FIG. 8;

FIG. 10 is a schematic view of the structure of the sealing portion shown in FIG. 4;

fig. 11 is a schematic view of the structure of the sealing cap shown in fig. 4.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

The terms "first", "second" and "third" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. In the embodiment of the present application, all the directional indicators (such as the upper, lower, left, right, front, and rear … …) are only used to explain the relative position relationship between the components in a specific posture (as shown in the drawing), the motion situation, and the like, and if the specific posture is changed, the directional indicator is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

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 application. The appearances of the 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 explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The present application will be described in detail with reference to the accompanying drawings and examples.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of an embodiment of an electronic atomization device provided in the present application; fig. 2 is a schematic structural diagram of the electronic atomization device shown in fig. 1 with a part of the housing removed. The electronic atomization device 300 provided by the application comprises a shell 301, and an atomizer 100 and a host 200 which are arranged in the shell 301 and electrically connected with each other, wherein the atomizer 100 is used for atomizing aerosol generating substrates such as essential oil, beauty liquid, liquid medicine and the like to generate aerosol, and the atomization mode can be ultrasonic atomization, mechanical vibration atomization and the like. The host 200 is configured to supply power to the nebulizer 100 and control the nebulizer 100 to work, and specifically, the host 200 at least includes a battery cell 201 and a control circuit board 202, where the battery cell 201 is configured to store electric energy, and the control circuit board 202 is configured to control the battery cell 201 to supply power to the nebulizer 100, so that the nebulizer 100 nebulizes an aerosol-generating substrate. In this embodiment, a cosmetic atomizer for atomizing a cosmetic liquid will be described as an example.

Referring to fig. 3, fig. 3 is a schematic structural diagram of an embodiment of an atomizer provided in the present application. The nebulizer 100 comprises a housing 10 and an atomizing assembly 20, wherein the housing 10 has a reservoir (not shown) for storing an aerosol-generating substrate and the atomizing assembly 20 is arranged on the housing 10 for atomizing the aerosol-generating substrate stored in the reservoir to generate an aerosol. Wherein, the stock solution chamber is provided with the passageway of taking a breath (not shown) with the external world, and the passageway of taking a breath is one-way conduction structure for with the leading-in stock solution intracavity of outside air pressure in order to balance the stock solution intracavity, guarantee that the pressure in the stock solution intracavity maintains at normal scope.

It will be appreciated that if no ventilation channel is provided, as the aerosol-generating substrate is consumed by the atomizing assembly 20, the negative pressure formed in the reservoir chamber increases gradually, and the aerosol-generating substrate in the reservoir chamber is not likely to be discharged to the atomizing assembly 20, resulting in poor liquid supply and dry burning of the atomizing assembly 20. From this, in atomizing earlier stage, the stock solution chamber normally supplies liquid to atomizing component 20, and it is big to produce the atomizing volume of aerosol on atomizing component 20, and in the atomizing later stage, because the stock solution intracavity produces the negative pressure crescent, leads to the liquid difficult of liquid storage chamber down, and the atomizing volume on atomizing component 20 reduces, causes the inhomogeneous phenomenon of atomizing volume before and after the atomizing, and in the atomizing later stage, atomizing component 20 burns futilely and damages atomizing component 20 easily, produces burnt flavor and harmful gas. This application is through setting up the passageway of taking a breath with stock solution chamber and external intercommunication to the pressure in this balanced stock solution intracavity, make the pressure in the stock solution intracavity all be in normal range in whole atomization period, guarantee that the aerosol atomization volume that produces is even in whole atomization period, and the passageway of taking a breath is one-way conduction structure, can avoid the aerosol in the stock solution intracavity to generate the matrix and leak through the passageway of taking a breath, thereby improve user's use and experience.

Wherein the ventilation channel of the one-way conduction structure may be a tesla valve arranged to allow ambient air to enter the reservoir but to inhibit leakage of aerosol-generating substrate from the reservoir.

Alternatively, the ventilation channel of the one-way conduction structure may be a capillary micropore or a capillary microgroove. The size of the capillary micro-hole or the capillary micro-groove is usually small, and the cross-sectional pore size is usually in the micron order, such as 100um to 2000um. The dimensions of the capillary micro-pores or capillary micro-grooves may be adapted according to the characteristics of the aerosol-generating substrate; the section aperture range suitable for most aerosol substrates with lower viscosity is 200 um-1000 um.

Wherein, in order to improve the effect of air exchange channel leakage-proof liquid, the capillary micropore or capillary microgroove has a bending part, and the shape of the bending part can be in the shape of I or arch.

Furthermore, the one end that the air exchange channel is kept away from the liquid storage cavity can also be provided with porous base member, and porous base member allows the leading-in air exchange channel of outside air, and porous base member can absorb the aerosol generation substrate of liquid storage cavity from the air exchange channel outflow to further improve the effect of air exchange channel leak protection liquid.

In some embodiments, the housing 10 and/or the atomizing assembly 20 has a ventilation channel formed therein, and the housing 10 and/or the atomizing assembly 20 allows ambient air to pass therethrough and flow into the reservoir to equalize the pressure in the reservoir. Or, the atomizer 100 further includes a ventilation member having a ventilation channel, and the ventilation channel on the ventilation member is respectively communicated with the liquid storage chamber and the outside, and is used for introducing the outside air into the liquid storage chamber.

Referring to fig. 4, fig. 4 is an exploded view of the structure of the atomizer shown in fig. 3. The atomizer 100 comprises a housing 10, an atomizing assembly 20 and a ventilator 30, wherein the housing 10, the atomizing assembly 20 and the ventilator 30 are matched to form a liquid storage cavity for storing aerosol generating substrates; the last ventilation channel that has one-way conduction structure of piece 30 of ventilating, when the aerosol generation substrate in the stock solution intracavity was atomized by atomization component 20 and is consumed and make the stock solution intracavity form the negative pressure, ventilation channel is used for the leading-in stock solution chamber of outside air to the pressure in the balanced stock solution intracavity guarantees that the pressure in the stock solution intracavity maintains at normal range.

Specifically, the housing 10 has an accommodating cavity (not shown), one end of the accommodating cavity has an opening 11, and a sidewall of the accommodating cavity also has a first through hole 12; the atomizing assembly 20 is disposed on the housing 10 and covers the first through hole 12, and the air exchange member 30 is at least partially disposed in the housing 10 and covers the opening 11, so as to form a closed liquid storage chamber. Wherein the reservoir chamber is of a closed configuration to reduce the likelihood of contamination of the aerosol-generating substrate stored within the reservoir chamber.

Wherein, can set up the quantity of the piece 30 of taking a breath according to the size of stock solution chamber capacity to guarantee the tonifying qi to the stock solution chamber, and then guarantee that the pressure in the stock solution intracavity can maintain normal range in whole atomization cycle. Specifically, the number of the openings 11 is the same as the number of the air exchanging members 30, and as shown in the atomizer 100 shown in fig. 2, the housing 10 has two openings (not shown), and accordingly, the two air exchanging members (not shown) are both at least partially disposed in the housing 10 and respectively cover the two openings. As shown in fig. 4, the housing 10 has an opening 11, and accordingly, a breather 30 is disposed at least partially within the housing 10 and covers the opening 11.

The ventilation member 30 may be a separate device having a ventilation channel therein, for example, the ventilation member 30 has capillary pores therein or has capillary pores therein. Alternatively, the ventilation member 30 may be a combination of a plurality of devices, at least two of which cooperate to form the ventilation channel, for example, one of the devices has a capillary micro-groove, and the other device covers the capillary micro-groove to cooperate to define the capillary micro-hole. Specifically, when the ventilation member 30 is an independent member, the overall consistency is good, and the ventilation passage has good sealing performance. When the ventilation member 30 is formed by combining a plurality of members, the manufacturing process of the ventilation channel can be simplified, the operation is easy, and the manufacturing cost is saved.

With reference to fig. 4, 6-9, fig. 6 is a schematic structural view of the body portion shown in fig. 4 at a first angle; FIG. 7 is an enlarged view of the structure of region A as shown in FIG. 6; FIG. 8 is a schematic view of the body portion shown in FIG. 4 at a second angle; fig. 9 is an enlarged view of the structure of the region B as shown in fig. 8.

Specifically, in an embodiment of the present application, the ventilation element 30 includes a main body 32 and a sealing portion 33 sleeved on an outer surface of the main body 32, the outer surface of the main body 32 has a capillary micro-groove 320, and the capillary micro-groove 320 has an air inlet port 3201 and an air outlet port 3202; the sealing part 33 is provided with a second through hole 331 communicated with the liquid storage cavity, the air inlet end 3201 is communicated with the outside air, the air outlet end 3202 is communicated with the second through hole 331, and the capillary micro-groove 320 is matched with the sealing part 33 to define a ventilation channel. Specifically, the capillary micro-groove 320 is disposed on the outer surface of the main body 32, and then the sealing portion 33 is sleeved on the outer surface of the main body 32 to cover the capillary micro-groove 320 to form a capillary micro-hole, so as to form the ventilation channel.

The number of the air inlet port 3201 and the air outlet port 3202 may be one or more, and the number of the air inlet port 3201 and the air outlet port 3202 may be the same or different, and may be specifically set according to the ventilation volume required by the liquid storage cavity. The air outlet port 3202 and the second through hole 331 are the same in number, so that each air outlet port 3202 is communicated with the liquid storage cavity in a flowing mode.

Wherein the ventilation member 30 is of a material which does not react with the aerosol-generating substrate to cause it to deteriorate. Specifically, the material of the body portion 32 may be glass, ceramic, metal, plastic, etc.; the material of the sealing portion 33 may be the same as that of the main body portion 32, or may be elastic silicone rubber or rubber, so as to achieve a better sealing effect.

In this embodiment, the capillary micro grooves 320 are disposed on the side surface of the body portion 32, and include horizontal straight grooves 3203 disposed along the width direction W of the atomizer 100, and vertical grooves 3204 disposed along the height direction H of the atomizer 100; the number of the horizontal straight grooves 3203 is multiple and the horizontal straight grooves 3203 are arranged at intervals, two adjacent horizontal straight grooves 3203 are communicated through at least one vertical groove 3204 to form a bending part 3205 (see fig. 7), so that when the air pressure in the liquid storage cavity becomes negative pressure, the external air sequentially passes through the air inlet port 3201, the multiple horizontal straight grooves 3203 and the air outlet port 3202 which are mutually communicated through the vertical grooves 3204 to enter the liquid storage cavity, and the air pressure in the liquid storage cavity is supplemented.

With continued reference to fig. 4 and 6, to prevent the aerosol-generating substrate in the liquid storage chamber from leaking from the ventilation channel under some special conditions (e.g., poor sealing effect of the ventilation channel, excessive pressure in the liquid storage chamber, etc.), the air inlet port 3201 of the ventilation channel is further provided with a porous substrate 34, and the porous substrate 34 has a water-absorbing and air-permeable effect, allows external air to be introduced into the air inlet port 3201, and can absorb the aerosol-generating substrate flowing out from the air inlet port 3201, thereby preventing the leaked aerosol-generating substrate from flowing out of the nebulizer 100, causing cleaning problems and affecting user experience. In this embodiment, one end of the main body 32 away from the liquid storage cavity has a first receiving groove 321, the first receiving groove 321 is communicated with the air inlet port 3201, a porous substrate 34 is disposed in the first receiving groove 321, and the material of the porous substrate 34 may be a cotton core, a sponge, or the like.

Specifically, the side wall of the first receiving groove 321 has a third through hole 322, the third through hole 322 is communicated with one of the plurality of transverse straight grooves 3203 which is farthest from the liquid storage cavity, and the third through hole 322 is used as an air inlet 3201 of the capillary micro-groove 320; a vertical groove 3204 is connected between one of the plurality of horizontal grooves 3203 closest to the liquid storage cavity and the second through hole 331, and the vertical groove 3204 serves as an air outlet port 3202 of the capillary micro-groove 320.

Specifically, the ventilation element 30 provided by the present application includes a main body 32 and a sealing portion 33 sleeved on an outer surface of the main body 32, the outer surface of the main body 32 has a capillary micro-groove 320, and the capillary micro-groove 320 has an air inlet port 3201 and an air outlet port 3202; the sealing part 33 has a second through hole 331 communicating with the liquid storage cavity, the air inlet port 3201 communicates with the outside air, the air outlet port 3202 communicates with the second through hole 331, and the capillary micro-groove 320 and the sealing part 33 cooperate to define a ventilation channel. Therefore, the manufacturing process of the ventilation channel is simplified, the operation is easy, and the manufacturing cost is saved. In addition, the air inlet end 3201 of the ventilation channel is also provided with the porous substrate 34, the porous substrate 34 has the functions of water absorption and ventilation, and the porous substrate 34 can improve the liquid leakage prevention effect of the atomizer 100 while not influencing the ventilation of the liquid storage cavity.

Referring to fig. 4, 6 and 10, fig. 10 is a schematic structural view of the sealing portion shown in fig. 4. In order to miniaturize the atomizer 100, the main body 32 of the present application is provided with a first relief portion 323, and correspondingly, the sealing portion 33 is provided with a second relief portion 332 at a position corresponding to the first relief portion 323, and the atomizing assembly 20 is covered by the first through hole 12 and at least partially accommodated in the space defined by the first relief portion 323. The first relief portion 323 can further fix the atomizing assembly 20.

Specifically, the main body portion 32 includes a bottom wall 324, and a first sub body portion 325 and a second sub body portion 326 disposed on the bottom wall 324, the first sub body portion 325 and the second sub body portion 326 are symmetrically disposed on two sides of the first holding portion 323, that is, the first holding portion 323 is a groove formed by opposite sidewalls of the first sub body portion 325 and the second sub body portion 326, and a side surface of the first sub body portion 325 and/or the second sub body portion 326 has the capillary micro groove 320. The sealing portion 33 is sleeved on the outer surfaces of the first sub-body portion 325 and the second sub-body portion 326.

In one embodiment, the first sub-body portion 325 and the second sub-body portion 326 have capillary micro grooves 320 on their side surfaces, so that two air exchange channels are formed after being sealed by the sealing portion 33 to ensure the air exchange amount to the reservoir, so that the reservoir can maintain pressure balance during the whole atomization cycle.

Further, the first sub-body portion 325 and the second sub-body portion 326 have a first receiving groove 321 and a porous substrate 34 disposed in the first receiving groove 321 at ends thereof facing away from the liquid storage cavity, so as to absorb the aerosol-generating substrate leaked from the two ventilation channels.

Fig. 5 is an exploded view of the atomizing assembly shown in fig. 4, in conjunction with fig. 4-6 and fig. 10. The atomization assembly 20 provided by the application is provided with a protruding part 21, and an electric lead 211 penetrates through the protruding part 21 and is used for being electrically connected with a host 200; the bottom wall 324 has a first yielding hole 3240 at a position corresponding to the first yielding portion 323, the sealing portion 33 has a second yielding hole 333 at a position corresponding to the first yielding hole 3240, and the protrusion 21 penetrates through the first yielding hole 3240 and the second yielding hole 333 and is sealed by the sealing portion 33.

Specifically, the atomizing assembly 20 includes an atomizing base 22 and an atomizing sheet 23, the atomizing base 22 has a mounting cavity and a boss 21, and the mounting cavity is in fluid communication with the liquid storage cavity; the atomizing sheet 23 is an ultrasonic atomizing sheet or a micropore atomizing sheet, the atomizing sheet 23 has a micropore area 230 for atomization, the atomizing sheet 23 is arranged in the installation cavity and is used for atomizing aerosol generating substrate flowing into the installation cavity to generate aerosol during operation, one end of an electric lead 211 penetrating in the bulge part 21 is electrically connected with the atomizing sheet 23, and the other end is used for being electrically connected with the host 200; the first displacement portion 323 and the second displacement portion 332 are arc-shaped grooves formed on the body portion 32 corresponding to the first through holes 12, and the atomizing base 22 is at least partially accommodated in a space defined by the first displacement portion 323 and/or the second displacement portion 332.

In order to increase the sealing effect and improve the consistency of the product structure, the shapes of the first through hole 12 and the atomizing base 22 are substantially the same, and the shapes of the first displacement portion 323 and the second displacement portion 332 are the same as the shapes of the atomizing base 22 accommodated in the first displacement portion 323 and the second displacement portion 332. For example, the first through hole 12 and the atomizing base 22 are circular, the first relief portion 323 and the second relief portion 332 are circular arc-shaped grooves, and the radius of the circular arc-shaped grooves is greater than or equal to the radius of the cross section of the atomizing base 22 accommodated in the first relief portion 323 and the second relief portion 332, so as to facilitate the installation of the atomizing base 22.

Specifically, the atomizer 100 includes a housing 10, an atomizing assembly 20, and a ventilator 30, wherein the housing 10 has an accommodating cavity, one end of the accommodating cavity has an opening 11, and a sidewall of the accommodating cavity has a first through hole 12; the atomization assembly 20 is arranged on the first through hole 12 and covers the first through hole 12; the ventilation member 30 is at least partially disposed in the housing 10 and covers the opening 11; the air exchange member 30, the atomising assembly 20 and the housing 10 cooperate to form an enclosed reservoir, thereby reducing the likelihood of contamination of the aerosol-generating substrate stored within the reservoir. And the piece of taking a breath 30 has the passageway of taking a breath, and the passageway of taking a breath is one-way conduction structure, and the efficiency lies in realizing one-way taking a breath to the pressure in the balanced stock solution intracavity, make the liquid of stock solution chamber descend the liquid evenly before and after atomizing, and then make the atomizing volume even, and make the aerosol in the stock solution chamber generate the substrate and be difficult to leak through the passageway of taking a breath, improve and use experience.

With continued reference to fig. 4 and 5, the atomizing base 22 includes an atomizing top cover 221 and an atomizing bottom cover 222, the atomizing bottom cover 222 has a protrusion 21 and a liquid inlet 2221 on a side close to the liquid storage cavity, and the atomizing bottom cover 222 covers the first through hole 12; one side that the atomizing bottom cap 222 deviates from the liquid storage cavity has a mounting groove 2222, and the liquid inlet 2221 is arranged on the bottom wall of the mounting groove 2222. The atomization top cover 221 is provided with a mist outlet 2211, and the atomization top cover 221 covers the installation groove 2222 and forms an installation cavity in cooperation with the atomization bottom cover 222. Specifically, the aerosol-generating substrate in the liquid storage cavity flows into the mounting cavity from the liquid inlet 2221 of the atomization bottom cover 222, and is blocked by the atomization sheet 23 and gathers at one side of the atomization sheet 23 close to the liquid storage cavity, when the host 200 provides electric energy for the atomization sheet 23 through the electric lead 211 penetrating the bulge 21, the aerosol-generating substrate in the mounting cavity is atomized by the atomization sheet 23 to generate aerosol with vectority and is emitted to one side of the atomization sheet 23 deviating from the liquid storage cavity, and then is discharged through the mist outlet 2211 of the atomization top cover 221.

Further, the atomizing assembly 20 further includes a first sealing member 24 and a second sealing member 25, the first sealing member 24 and the second sealing member 25 are made of flexible silicone or rubber, the first sealing member 24 is sleeved on the outer surface of the atomizing plate 23 and exposes the micro-pore area 230 of the atomizing plate 23, so as to block the aerosol-generating substrate to the side of the atomizing plate 23 close to the liquid storage cavity and prevent the aerosol-generating substrate from leaking without affecting the ultrasonic atomization or vibration atomization of the atomizing plate 23. The second seal 25 seals the interface of the atomising top cap 221 and the atomising bottom cap 222 further preventing leakage of aerosol-generating substrate.

Further, the atomizing assembly 20 further includes a third flexible sealing member 26, and the material of the third flexible sealing member 26 may be silicone or rubber with flexibility, and may also be plastic, ceramic, etc. Specifically, the third flexible sealing element 26 is used to block the mist outlet 2211, prevent dirt such as dust from entering the atomizing assembly 20, block the micropores in the micropore area 230 to affect the operation of the atomizing assembly 20, and cause problems such as sanitation when the atomizer 100 is not in operation.

Referring to fig. 4 and 11, the atomizer 100 further includes a sealing cover 40, the sealing cover 40 having a groove 401 facing the opening 11, the opening 11 of the housing 301 and the air exchange member 30 not disposed in the opening 11 being inserted into the groove 401, the sealing cover 40 protecting the opening 11 and the air exchange member 30. In this embodiment, the protrusion 1111 is disposed on the outer sidewall of the opening 11, the fourth through hole 41 is disposed at a position of the sealing cover 40 corresponding to the protrusion 1111, and when the opening 11 is inserted into the sealing cover 40, the protrusion 1111 of the opening 11 is inserted into the fourth through hole 41 of the sealing cover 40, thereby realizing the snap connection.

The sealing cover 40 has a first mounting hole 42, the first mounting hole 42 is disposed corresponding to the first avoiding hole 3240, an electrical pin 43 is disposed in the first mounting hole 42, one end of the electrical pin 43 is electrically connected to the electrical lead 211 in the protruding portion 21, and the other end is electrically connected to the host 200.

The atomizer 100 further has a first connecting structure, the host 200 has a second connecting structure (not shown), and the number of the first connecting structure and the second connecting structure may be one or more and are arranged in a one-to-one correspondence. The nebulizer 100 is connected to a second connection structure on the host 200 through a first connection structure. Wherein, the connection mode of first connection structure and second connection structure can be threaded connection, buckle connection or magnetism and inhale the connection. The present application is exemplified by magnetic connection, specifically, the sealing cover 40 has one or more second mounting holes 44, the main body 32 has a second receiving groove 327 (see fig. 6) corresponding to the second mounting hole 44, magnetic elements 45 are disposed in the second mounting hole 44 and the second receiving groove 327, the magnetic element 45 serves as a first connection structure, and the magnetic element 45 is used for magnetic connection with a second connection structure (a magnetic element or a ferromagnetic element) on the host 200.

The sealing cover 40 further has one or more ventilation ports 46, and the ventilation ports 46 are used for introducing external air into the atomizer 100, so that the external air is supplied into the liquid storage cavity through the first receiving groove 321, the ventilation channel and the second through hole 331.

The above description is only an embodiment of the present application, and is not intended to limit the scope of the present application, and all equivalent structures or equivalent processes performed by the present application and the contents of the attached drawings, which are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims (15)

1. An atomizer, comprising:

a housing having a reservoir;

an atomization assembly disposed on the housing for atomizing aerosol-generating substrate stored within the reservoir;

the liquid storage cavity is provided with a ventilation channel with the outside, and the ventilation channel is of a one-way conduction structure and used for guiding outside air into the liquid storage cavity.

2. The nebulizer of claim 1, wherein the vent channel is a capillary micropore.

3. The nebulizer of claim 2, wherein the capillary pores have a bend.

4. A nebulizer as claimed in claim 1, wherein the ventilation channel is a tesla valve.

5. The nebulizer of claim 1, wherein the housing has a receiving chamber; one end of the accommodating cavity is provided with an opening, and the side wall of the accommodating cavity is also provided with a first through hole; the atomization assembly is arranged on the shell and covers the first through hole;

the atomizer further comprises:

the air exchange piece is at least partially arranged in the shell and covers the opening; the air exchange piece, the atomization assembly and the shell are matched to form the liquid storage cavity;

wherein, the ventilation piece is provided with the ventilation channel, and the ventilation channel is a capillary micropore or a Tesla valve.

6. The nebulizer of claim 5, wherein the ventilation channel is the capillary micro-hole;

the air exchange piece comprises a body part and a sealing part sleeved on the outer surface of the body part, a capillary micro groove is arranged on the outer surface of the body part and provided with an air inlet end and an air outlet end, the sealing part is provided with a second through hole communicated with the liquid storage cavity, the air inlet end is communicated with the outside air, the air outlet end is communicated with the second through hole, and the capillary micro groove is matched with the sealing part to define the air exchange channel.

7. The nebulizer of claim 6, wherein the capillary micro grooves are provided on a side surface of the body portion and comprise lateral straight grooves provided in a width direction of the nebulizer and vertical grooves provided in a height direction of the nebulizer; the quantity of horizontal straight groove is many and interval setting, two adjacent horizontal straight groove through at least one vertical groove intercommunication is in order to form the kink.

8. The nebulizer of claim 6, wherein the body portion has a first relief portion, and the atomizing element is at least partially received within a space defined by the first relief portion.

9. The nebulizer of claim 8, wherein the body portion comprises a first sub body portion and a second sub body portion, the first sub body portion and the second sub body portion are symmetrically disposed on two sides of the first relief portion, and a side surface of the first sub body portion and/or the second sub body portion has the capillary micro groove.

10. The nebulizer of claim 8, wherein the nebulizing assembly comprises:

an atomizing base having a mounting cavity in fluid communication with the reservoir cavity;

the atomizing sheet is arranged in the mounting cavity;

the first abdicating part is an arc-shaped groove arranged corresponding to the first through hole, and at least part of the atomizing seat is accommodated in a space defined by the first abdicating part.

11. The atomizer of claim 10, wherein said atomizing base has a raised portion, and wherein said pins of said atomizing plate are disposed in said raised portion; the bottom wall of the first abdicating part is provided with a first abdicating hole, and the convex part penetrates through the first abdicating hole.

12. The nebulizer of claim 7, wherein an end of the body portion facing away from the reservoir chamber has a first receiving slot, the first receiving slot being in communication with the air inlet end; a porous matrix is also disposed within the first receiving pocket, the porous matrix allowing ambient air to be introduced into the air inlet end and absorbing aerosol-generating substrate flowing out of the air inlet end.

13. The nebulizer of claim 12, wherein the air inlet is a third through hole on a sidewall of the first receiving chamber, and the air inlet communicates with one of the plurality of transverse straight grooves that is farthest from the reservoir chamber;

the end of giving vent to anger is for following the vertical groove that the atomizer direction of height set up, just the one end and the many of the end of giving vent to anger the horizontal straight flute is middle distance the liquid storage chamber is one nearest horizontal straight flute intercommunication, the other end with the second through-hole intercommunication.

14. A nebulizer as claimed in claim 1, wherein the end of the ventilation channel remote from the reservoir chamber is provided with a porous matrix which allows ambient air to be introduced into the ventilation channel and which absorbs aerosol-generating substrate from the reservoir chamber flowing out of the ventilation channel.

15. An electronic atomization device, comprising:

an atomiser according to any one of claims 1 to 14;

and the host machine supplies power to the atomizer and controls the atomizer to work.

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