CN219500428U - Atomizer and electronic atomization device - Google Patents

Abstract

The utility model discloses an atomizer and an electronic atomization device, wherein the atomizer comprises a liquid storage cavity, a ventilation channel, a fixing part and a first sealing piece; the liquid storage cavity is used for storing liquid aerosol generating matrix; the ventilation channel is used for ventilating the liquid storage cavity and is provided with a ventilation port which is in liquid communication with the liquid storage cavity; the first sealing piece comprises a sealing part and a supporting part arranged on the surface of the sealing part; when the ventilation opening is in a non-ventilation state, the sealing part seals the ventilation opening; when the ventilation port is in a ventilation state, a gap exists between the sealing part and the ventilation port, and the abutting part can move along with the sealing part to abut against the fixing part, so that the maximum value of the gap between the sealing part and the ventilation port is limited; meanwhile, due to the limiting effect of the abutting part, when the assembly is carried out, if the gap between the sealing part and the ventilation port exceeds a threshold value, the abutting part can abut against the fixing part, so that the leakage caused by overlarge gap between the sealing part and the ventilation port is avoided.

Description

Atomizer and electronic atomization device

Technical Field

The utility model relates to the technical field of atomization, in particular to an atomizer and an electronic atomization device.

Background

Electronic atomizing devices are generally composed of an atomizer and a host. The atomizer is used for storing and atomizing aerosol-generating substrates, and the host computer is used for providing electric energy for the operation of the atomizer.

The atomizer has a liquid storage chamber for storing the aerosol-generating substrate and a heating component for atomizing the aerosol-generating substrate. As the aerosol-generating substrate in the reservoir is continuously consumed, the pressure in the reservoir decreases, and in order to ensure that the aerosol-generating substrate in the reservoir can be continuously supplied to the heating element, the atomizer needs to be provided with a ventilation channel for ventilating the reservoir, and a sealing member for sealing the ventilation channel when the ventilation channel is in a non-ventilated state.

However, the seal may not cover the port of the ventilation channel due to assembly or the like; that is, in the non-ventilation state, a gap is generated between the seal and the port of the ventilation channel, and leakage occurs.

Disclosure of Invention

The utility model provides an atomizer and an electronic atomization device, which are used for solving the problem of liquid leakage caused by a gap generated between a sealing element and a port of a ventilation channel in a non-ventilation state.

In order to solve the technical problems, the first technical scheme provided by the utility model is as follows: providing an atomizer comprising a liquid storage cavity, a ventilation channel, a fixing part and a first sealing element; the reservoir is for storing a liquid aerosol-generating substrate; the ventilation channel is used for ventilating the liquid storage cavity and is provided with a ventilation port which is in liquid communication with the liquid storage cavity; the first sealing piece comprises a sealing part and a supporting part arranged on the surface of the sealing part, and the sealing part seals the ventilation opening when the ventilation opening is in a non-ventilation state; when the ventilation port is in a ventilation state, a gap exists between the sealing part and the ventilation port, and the abutting part can move along with the sealing part to abut against the fixing part.

In one embodiment, the atomizer further comprises a housing, an atomizing base; the atomizing seat is arranged in the shell, and the shell and the atomizing seat are surrounded to form the liquid storage cavity;

the ventilation opening is arranged on the surface of the atomization seat facing the liquid storage cavity, and the part of the shell corresponding to the outer side of the supporting part is the fixing part.

In one embodiment, the atomizing seat is provided with a liquid discharging channel communicated with the liquid storage cavity; the sealing part is provided with a through hole corresponding to the liquid discharging channel, the two sides of the ventilation opening of the sealing part are respectively provided with a cutting seam or an expanding hole, and the cutting seam or the expanding hole is communicated with the through hole.

In one embodiment, the minimum distance between the ventilation opening and the downcomer channel is 1mm-1.4mm.

In an embodiment, the surface of the atomizing seat, which is close to the liquid storage cavity, is provided with a plurality of fixing grooves, the surface of the sealing part, which is close to the atomizing seat, is provided with a plurality of protrusions, and the protrusions are accommodated in the fixing grooves.

In one embodiment, the ventilation opening is formed on a wall surface of the liquid storage cavity.

In an embodiment, the atomizer further comprises a shell and an atomization seat, wherein the atomization seat is arranged in the shell, the shell and the atomization seat are surrounded to form the liquid storage cavity, and the atomization seat is provided with a liquid discharging channel communicated with the liquid storage cavity;

the ventilation opening is arranged on the wall surface of the liquid discharging channel.

In an embodiment, the thickness of the abutting part parallel to the axial direction of the ventilation port is gradually increased along the direction perpendicular to the axial direction of the ventilation port and towards the fixing part.

In one embodiment, the first sealing member is provided with a through hole communicated with the liquid storage cavity, and the through hole penetrates through the sealing portion and the abutting portion.

In one embodiment, the atomizer further comprises a second seal member sealingly disposed between a side of the atomizing base and the housing.

In an embodiment, a gap between a side surface of the abutting portion and the fixing portion is less than or equal to 0.05mm.

In an embodiment, the orthographic projection of the abutment on the sealing part at least partially covers the orthographic projection of the ventilation opening on the sealing part in a direction parallel to the axial direction of the ventilation opening.

In order to solve the technical problems, a second technical scheme provided by the utility model is as follows: there is provided an electronic atomizing device comprising: a nebulizer and host according to any one of the preceding claims; the host provides electric energy for the work of the atomizer.

The utility model has the beneficial effects that: compared with the prior art, the utility model discloses an atomizer and an electronic atomization device, wherein the atomizer comprises a liquid storage cavity, a ventilation channel, a fixing part and a first sealing element; the liquid storage cavity is used for storing liquid aerosol generating matrix; the ventilation channel is used for ventilating the liquid storage cavity and is provided with a ventilation port which is in liquid communication with the liquid storage cavity; the first sealing piece comprises a sealing part and a supporting part arranged on the surface of the sealing part; when the ventilation opening is in a non-ventilation state, the sealing part seals the ventilation opening; when the ventilation port is in a ventilation state, a gap exists between the sealing part and the ventilation port, and the abutting part can move along with the sealing part to abut against the fixing part, so that the maximum value of the gap between the sealing part and the ventilation port is limited; meanwhile, due to the limiting effect of the abutting part, when the assembly is carried out, if the gap between the sealing part and the ventilation port exceeds a threshold value, the abutting part can abut against the fixing part, so that the leakage caused by overlarge gap between the sealing part and the ventilation port is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a first embodiment of an electronic atomizing device according to the present utility model;

FIG. 2 is a schematic cross-sectional view of the electronic atomizing device shown in FIG. 1;

fig. 3 is a schematic view of the structure of the first embodiment of the sealing member of the electronic atomizing device shown in fig. 2;

FIG. 4 is a schematic cross-sectional view of the seal shown in FIG. 3 along line C-C;

fig. 5 is a partially enlarged schematic view of a region B of the electronic atomizing device shown in fig. 2;

fig. 6 is a schematic view of the structure of a second embodiment of a seal of the electronic atomizing device shown in fig. 2;

fig. 7 is a schematic view of the structure of a third embodiment of a seal of the electronic atomizing device shown in fig. 2;

fig. 8 is a schematic structural view of an atomizing base of the electronic atomizing device shown in fig. 2;

FIG. 9 is a schematic view of the seal shown in FIG. 7 at another angle;

fig. 10 is a schematic view of a partial structure of a second embodiment of an electronic atomizing device according to the present utility model;

FIG. 11 is a schematic view of a part of the structure of a third embodiment of an electronic atomizing device according to the present utility model;

fig. 12 is a schematic partial structure of a fourth embodiment of an electronic atomizing device according to the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, interfaces, techniques, etc., in order to provide a thorough understanding of the present utility model.

The terms "first," "second," "third," and the like in this disclosure are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", and "a third" may include at least one such feature, either explicitly or implicitly. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. All directional indications (such as up, down, left, right, front, rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indication is changed accordingly. The terms "comprising" and "having" and any variations thereof in embodiments of the present utility model are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements 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 may be included in at least one embodiment of the utility model. 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. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

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

Referring to fig. 1-5, fig. 1 is a schematic structural diagram of a first embodiment of an electronic atomizing device according to the present utility model, fig. 2 is a schematic structural diagram of a cross-section of the electronic atomizing device shown in fig. 1, fig. 3 is a schematic structural diagram of a first embodiment of a sealing member of the electronic atomizing device shown in fig. 2, fig. 4 is a schematic structural diagram of a cross-section of the sealing member along line C-C shown in fig. 3, and fig. 5 is a schematic partial enlarged structural diagram of a region B of the electronic atomizing device shown in fig. 2.

The present utility model provides an electronic atomizing device 100, the electronic atomizing device 100 being usable for atomizing a liquid aerosol-generating substrate. In particular, the electronic atomizing device 100 can be used in different fields, such as medical atomization, leisure food intake, and the like. In one embodiment, the electronic atomizing device 100 can be used for leisure food, atomizing an aerosol-generating substrate and generating an aerosol for inhalation by a user, as exemplified in the following embodiments.

The electronic atomizing device 100 includes an atomizer 10 and a main body 20 electrically connected to each other. In the present embodiment, the atomizer 10 is provided integrally with the main body 20.

The atomizer 10 is for storing a gas of an aerosol-generating substrate and atomizing the aerosol-generating substrate to form an aerosol for inhalation by a user. Specifically, the atomizer 10 includes a liquid reservoir 150 and a heat generating component 12. The reservoir 150 is for storing a liquid aerosol-generating substrate. The heat generating component 12 is in fluid communication with the reservoir 150, the heat generating component 12 being configured to atomize an aerosol-generating substrate to generate an aerosol. The heating component 12 includes a liquid guiding member (not shown) and a heating element (not shown), the heating element is disposed on a surface of the liquid guiding member, and the liquid guiding member is used for guiding the aerosol generating substrate to the heating element by utilizing its own capillary force, and the heating element heats and atomizes to generate aerosol. Optionally, the liquid guide member is porous ceramic, cotton core, or the like. Optionally, the heating element is a heating wire or a heating film, etc. The specific structure of the heat generating component 12 can be seen in the prior art, and will not be described again.

In this embodiment, the atomizer 10 further includes a housing 11, and the atomizing base 13 is disposed in the housing 11. The housing 11 is formed with a mist outlet channel 111, and a liquid storage cavity 150 is formed by surrounding the inner surface of the housing 11, the outer surface of the mist outlet channel 111 and the atomizing base 13. The atomizing base 13 has a lower liquid passage 1311 communicating with the liquid reservoir 150. In other embodiments, the liquid storage chamber 150 is defined by a housing, which is disposed in the housing 11 and has a through hole therein to communicate with the liquid discharge channel 1311 on the atomizing base 13. The formation mode of the liquid storage chamber 150 is not limited in the present utility model, and is specifically designed according to the need.

In one embodiment, the atomizing base 13 includes an upper base 131 and a lower base 132, and the upper base 131 and the lower base 132 cooperate to form a mounting cavity. The heating element 12 is disposed in the mounting cavity and is disposed in the housing 11 together with the atomizing base 13. The surface of the heat generating component 12 facing away from the reservoir 150 cooperates with the walls of the mounting chamber to form the nebulization chamber 120. The upper base 131 is provided with a lower liquid channel 1311, and aerosol generating substrate in the liquid storage cavity 150 flows into the heating component 12 through the lower liquid channel 1311, and is heated and atomized by the heating component 12 to generate aerosol. The lower seat 132 is provided with an air inlet channel 1321, external air enters the atomization cavity 120 through the air inlet channel 1321, atomized aerosol carried with the heating component 12 flows to the mist outlet channel 111, and a user sucks the aerosol through a port of the mist outlet channel 111. Optionally, the upper base 131 and the lower base 132 are detachable structures. Optionally, the upper seat 131 and the lower seat 132 are integrally formed by injection molding.

In the present embodiment, the atomizer 10 further includes a ventilation passage 133, a fixing portion 101, and a first seal 141. The ventilation channel 133 is used for ventilating the liquid storage cavity 150, and the ventilation channel 133 is provided with a ventilation opening 1331 communicated with the liquid storage cavity 150 for ensuring smooth liquid discharge. The first seal 141 includes a seal portion 1411 and an abutting portion 1412 provided on a surface of the seal portion 1411; the abutting portion 1412 is formed by thickening a portion of the seal 1411 corresponding to the transfer port 1331. When the ventilation opening 1331 is in the non-ventilation state, the sealing portion 1411 seals the ventilation opening 1331. When the ventilation opening 1331 is in a ventilation state, a gap exists between the sealing part 1411 and the ventilation opening 1331, and external air enters the liquid storage cavity 150 from the gap between the sealing part 1411 and the ventilation opening 1331; and the abutting portion 1412 can move with the sealing portion 1411 to abut against the fixing portion 101.

It is understood that the abutting portion 1412 can move along with the sealing portion 1411 until the abutting portion 1412 contacts the fixing portion 101 when the abutting portion 101 does not represent a ventilation state. If there is no contact between the abutting portion 1412 and the fixing portion 101 in the non-ventilation state, the abutting portion 1412 in the ventilation state is driven by the sealing portion 1411 to reduce the gap between the abutting portion 1412 and the fixing portion 101, so as to limit the gap between the sealing portion 1411 and the ventilation opening 1331. If the pressure difference between the liquid storage cavity 150 and the outside is large enough, the supporting portion 1412 moves along with the sealing portion 1411 until contacting the fixing portion 101; if the pressure difference between the liquid storage cavity 150 and the outside is relatively small, the abutting portion 1412 still moves along with the sealing portion 1411, the distance between the abutting portion 1412 and the fixing portion 101 is reduced, but the abutting portion 1412 does not contact the fixing portion 101. The restriction of the abutting portion 1412 allows the sealing portion 1411 to tilt up within a controllable range during ventilation.

Of course, if the abutting portion 1412 contacts the fixing portion 101 in the non-ventilation state, the abutting portion 1412 still contacts the fixing portion 101 in the ventilation state, and the abutting force between the abutting portion 1412 and the fixing portion 101 in the ventilation state increases, so that the gap between the sealing portion 1411 and the ventilation opening 1331 is limited, and the sealing portion 1411 always seals the ventilation opening 1331 in the non-ventilation state.

In an embodiment, the ventilation channel 133 is disposed on the atomizing base 13, and the ventilation channel 133 is in communication with the atomizing chamber 120 (i.e. the ventilation channel 133 is indirectly in communication with the external air) or is directly in communication with the external air, so as to guide the external air into the liquid storage chamber 150, prevent the liquid storage chamber 150 from being in an excessive negative pressure state, and further enable the aerosol generating substrate in the liquid storage chamber 150 to be smoothly transported to the heat generating component 12.

In one embodiment, the ventilation opening 1331 is provided on the surface of the atomizing base 13 facing the liquid storage chamber 150. At this time, the portion of the housing 11 corresponding to the outside of the abutting portion 1412 is the fixing portion 101. Of course, in other embodiments, the fixing portion 101 may be fixed to the housing 11.

In one embodiment, the sealing portion 1411 covers the entire surface of the atomizing base 13 facing the reservoir 150. The seal portion 1411 is provided with a through hole 141a corresponding to the drain passage 1311. The cross-sectional shape of the through-hole 141a is the same as that of the end of the lower fluid passage 1311 near the fluid reservoir 150, and the wall of the through-hole 141a is flush with the wall of the lower fluid passage 1311.

In one embodiment, the through hole 141a extends to a surface of the abutting portion 1412 away from the sealing portion 1411, that is, the first sealing member 141 is provided with the through hole 141a communicating with the liquid storage chamber 150, the through hole 141a penetrates the sealing portion 1411 and the abutting portion 1412, and the first sealing member 141 is thickened from a position of a wall surface of the liquid discharging passage 1311. Alternatively, the side of the abutting portion 1412 away from the fixing portion 101 is flush with the wall surface of the lower liquid passage 1311.

In one embodiment, the abutting portion 1412 is provided apart from the side surface of the fixing portion 101 and the wall surface of the drain channel 1311.

In an embodiment, the atomizer 10 further includes a second sealing member 142, where the second sealing member 142 is disposed between the side surface of the atomizing base 13 and the housing 11 in a sealing manner, and specifically, the second sealing member 142 covers the side surface of the atomizing base 13 near one end of the liquid storage cavity 150, so as to seal the liquid storage cavity 150 and prevent liquid leakage. Alternatively, the first sealing member 141 and the second sealing member 142 are integrally formed to form the sealing member 14, that is, the first sealing member 141 and the second sealing member 142 are integrally formed. Optionally, the first sealing member 141 and the second sealing member 142 are made of silicone. Optionally, the thickness of the second seal 142 is 0.8mm-1.2mm; the second seal 142 is illustratively 1mm thick.

It can be appreciated that when the first sealing member 141 and the second sealing member 142 are integrally formed, by arranging the structure of the first sealing member 141 as described above, even if the second sealing member 142 is pulled by friction force during the assembly process, the pulling force is insufficient to generate a gap between the sealing portion 1411 and the ventilation opening 1331, the sealing portion 1411 can still press the ventilation opening 1331, so as to avoid poor assembly and leakage. In this embodiment, the sealing portion 1411 is bonded to the atomizing base 13 with a pressing plane therebetween.

In an embodiment, the thickness of the abutment 1412 parallel to the axial direction of the transfer port 1331 gradually increases along the direction perpendicular to the axial direction of the transfer port 1331 and toward the fixing portion 101. The greater the thickness of the portion of the abutting portion 1412 near the housing 11, the less susceptible the second seal 142 is to be pulled and rubbed during the assembly process, so that the sealing portion 1411 is attached to the top surface of the atomizing base 13 in real time, and further the ventilation opening 1331 is sealed in real time. The end of the abutting portion 1412, which is far away from the housing 11 (the fixing portion 101), is thinner, so that a gap is formed between the sealing portion 1411 and the ventilation opening 1331 under the pressure difference between the liquid storage cavity 150 and the external air, and ventilation is realized.

Alternatively, the thickness of the abutting portion 1412 increases stepwise, that is, the surface of the abutting portion 1412 away from the atomizing base 13 is a stepped surface of at least two stages.

Alternatively, the thickness of the abutting portion 1412 continuously increases, i.e., the surface of the abutting portion 1412 away from the atomizing base 13 is an inclined surface or an arc surface. In one embodiment, as shown in fig. 5, along the thickness direction of the abutting portion 1412, the cross-sectional shape of the abutting portion 1412 is a right triangle, the long right-angle side of the right triangle is attached to the top surface of the atomizing base 13, and the short right-angle side of the right triangle is parallel to the inner surface of the housing 11. By setting the cross-sectional shape of the abutting portion 1412 to be a right triangle, the sealing portion 1411 is always in a state of being attached to the top surface of the atomizing base 13 by utilizing the structural stability of the triangle, so that a good liquid leakage preventing effect is realized. The through hole 141a extends to a surface of the abutting portion 1412 remote from the sealing portion 1411. The ventilation turning angle is adjusted by designing the cross-sectional shape and size of the abutting portion 1412 in the thickness direction.

In one embodiment, the thickness M1 of the sealing portion 1411 is 0.3mm to 0.7mm, and the thickness M2 of the abutment 1412 near the end of the housing 11 is 0.5mm to 1.4mm. Illustratively, the seal 1411 has a thickness of 0.5mm and the abutment 1412 has a thickness of 1mm near the end of the housing 11.

In an embodiment, a gap between a side surface of the abutting portion 1412 and the fixing portion 101 (the housing 11) is less than or equal to 0.05mm, so that the abutting portion 1412 can abut against the fixing portion 101 along with the sealing portion 1411, so that a gap between the sealing portion 1411 and the ventilation opening 1331 is kept stable, and ventilation is further stable.

In an embodiment, the orthographic projection of the abutment 1412 on the seal 1411 at least partially covers the orthographic projection of the transfer port 1331 on the seal 1411 in a direction parallel to the axial direction of the transfer port 1331. Optionally, the orthographic projection of the abutment 1412 on the sealing portion 1411 completely covers the orthographic projection of the transfer port 1331 on the sealing portion 1411.

In one embodiment, the thickness of the entire seal 1411 is uniform.

In an embodiment, the projection shape of the abutting portion 1412 on the top surface of the atomizing base 13 is isosceles trapezoid.

Referring to fig. 5, the distance between the center of the ventilation opening 1331 and the outer side surface of the atomizing base 13 is the force arm length L1 of the abutting portion 1412 near the surface of the atomizing base 13. The projected area S1 of the ventilation opening 1331 on the seal portion 1411 is a force receiving area of the abutting portion 1412 on the surface close to the atomizing base 13. The distance between the center of projection of the abutting portion 1412 on the surface of the atomizing base 13 near the liquid storage cavity 150 and the outer side surface of the atomizing base 13 is the force arm length L2 of the abutting portion 1412 on the surface far away from the atomizing base 13. The projected area of the abutting portion 1412 on the surface of the atomizing base 13 near the liquid storage chamber 150 is the force receiving area S2 of the abutting portion 1412 away from the surface of the atomizing base 13.

The pressure f1=p0×s1 on the transfer port 1331 side received by the abutting portion 1412, P0 being one atmosphere; the moment of the abutting portion 1412 on the atomizing base 13 side is m1=f1×l1. The pressure on the side of the liquid storage chamber 150 received by the holding portion 1412 is f2= (p1+pgh) ×s2, P1 is the pressure of the gas in the liquid storage chamber 150, ρ is the density of the aerosol-generating substrate in the liquid storage chamber 150, h is the liquid level of the aerosol-generating substrate in the liquid storage chamber 150, g is the gravitational acceleration; the moment on the side of the abutting portion 1412 away from the atomizing base 13 is m2=f2×l2. M1=m2, i.e., p0×s1×l1= (p1+pgh) ×s2×l2. Illustratively, l1=1.55/2 mm=0.775 mm, l2=2.75/2 mm=1.375 mm. From this, it is clear that L2 is greater than L1, and that increasing S1 or decreasing S2 can improve ventilation sensitivity. It will be appreciated that S1 and S2 are specifically designed according to ventilation requirements and assembly leakage protection requirements, and the utility model is not limited in this regard.

Referring to fig. 6, fig. 6 is a schematic structural view of a second embodiment of a sealing member of the electronic atomizing device shown in fig. 2.

The structure of the second embodiment of the seal 14 is substantially the same as the structure of the first embodiment of the seal 14, except that: further, the seal portion 1411 is provided with slits 141c on both sides of the ventilation opening 1331.

By providing slits 141c on both sides of the sealing portion 1411 corresponding to the ventilation opening 1331, external air enters the gap between the sealing portion 1411 and the atomizing base 13, and then enters the liquid storage chamber 150 through the through-holes 141a, and enters the liquid storage chamber 150 through the slits 141c. Optionally, two slits 141c are axisymmetrically disposed on both sides of the ventilation opening 1331; specifically, the two slits 141c are symmetrically disposed along the midline of the transfer port 1331.

The slit 141c communicates with the through hole 141a (as shown in fig. 6). By communicating the slit 141c with the through hole 141a, the seal 1411 corresponding to the ventilation opening 1331 is made independent of the seal 1411 of the other portion. When in ventilation, the sealing part 1411 corresponding to the ventilation opening 1331 is not limited by the large-area sealing part 1411, so that a gap is more easily generated between the sealing part 1411 and the surface of the atomizing seat 13, which is close to the liquid storage cavity 150, an independent ventilation valve is formed, the stability of ventilation turnover angle is ensured, and the ventilation consistency is ensured.

It should be noted that, at this time, the moment of the abutting portion 1412 near the atomizing base 13 and the moment of the abutting portion 1412 far from the atomizing base 13 can be referred to the description of the first embodiment of the sealing member 14, and will not be repeated.

Referring to fig. 7, fig. 7 is a schematic structural view of a third embodiment of a sealing member of the electronic atomizing device shown in fig. 2.

The structure of the third embodiment of the seal 14 is substantially the same as the structure of the first embodiment of the seal 14, except that: further, the seal portion 1411 is provided with expansion holes 141b on both sides of the transfer port 1331, respectively.

By providing the expansion holes 141b on both sides of the sealing portion 1411 corresponding to the ventilation opening 1331, the external air enters the gap between the abutting portion 1412 and the atomizing base 13, and then enters the liquid storage chamber 150 through the through holes 141a, and enters the liquid storage chamber 150 through the expansion holes 141b.

The aerosol-generating substrate has a physical and chemical action on the sealing member 14, and the physical and chemical action can cause the volume change (swelling) of the sealing member 14, so that a stretching space is provided by arranging the expansion holes 141b on the sealing portion 1411, the sealing portion 1411 can extend horizontally and freely towards the direction of the expansion holes 141b, the arch bridge of the sealing portion 1411 is prevented from tilting, and a gap is further prevented from being generated between the sealing portion 1411 and the atomizing seat 13, so that a good liquid leakage preventing effect is realized. By arranging the expansion holes 141b on the two sides of the sealing portion 1411 corresponding to the ventilation opening 1331, the sealing portion 1411 still presses the ventilation opening 1331 in the process of enlarging the first sealing member 141, so that stable ventilation is facilitated.

Alternatively, two expansion holes 141b are axisymmetrically provided at both sides of the transfer port 1331. Specifically, the two expansion holes 141b are symmetrically disposed along the center line of the transfer port 1331. With this arrangement, when the first seal member 141 swells, it is possible to uniformly extend to the expansion holes 141b on both sides, further ensuring that the seal portion 1411 presses the ventilation opening 1331.

The expansion hole 141b communicates with the penetration hole 141 a; at this time, the expansion hole 141b is a notch (as shown in fig. 7) penetrating the wall of the hole 141a. By communicating the expansion hole 141b with the through hole 141a, the seal 1411 corresponding to the transfer port 1331 is made independent of the seal 1411 of the other portion. When in ventilation, the sealing part 1411 corresponding to the ventilation opening 1331 is not limited by the large-area sealing part 1411, so that a gap is more easily generated between the sealing part 1411 and the surface of the atomizing seat 13, which is close to the liquid storage cavity 150, an independent ventilation valve is formed, the stability of ventilation turnover angle is ensured, and the ventilation consistency is ensured. At the same time, a free stretching of the first seal 141 upon swelling is facilitated.

It should be noted that, at this time, the moment of the abutting portion 1412 near the atomizing base 13 and the moment of the abutting portion 1412 far from the atomizing base 13 can be referred to the description of the first embodiment of the sealing member 14, and will not be repeated.

The propping part 1412 is positioned between the two expansion holes 141b, and the expanding holes 141b are arranged to enable the propping part 1412 to be used as an independent air exchange valve, and the stability of the air exchange turnover angle is ensured by combining the structural design of the propping part 1412, so that the air exchange consistency is ensured. The side surface of the abutting portion 1412 perpendicular to the atomizing base 13 is not flush with the side surface of the expansion hole 141b, and the abutting portion 1412 does not shield the expansion hole 141b.

Referring to fig. 8, fig. 8 is a schematic structural diagram of an atomizing base of the electronic atomizing device shown in fig. 2.

The atomizing seat 13 is provided with two lower liquid channels 1311, the atomizing seat 13 is also provided with a fog outlet 1312, the two lower liquid channels 1311 are respectively positioned at two sides of the fog outlet 1312, and one side of the two lower liquid channels 1311 away from the fog outlet 1312 is respectively provided with a ventilation port 1331; wherein the mist outlet holes 1312 communicate the mist chamber 120 with the mist outlet channel 111. Two abutments 1412 are provided on the seal 14 corresponding to the two ventilation ports 1331, respectively.

Optionally, the transfer port 1331 is rectangular in shape. It is understood that the shape of the ventilation opening 1331 is designed according to the requirement, and the present utility model is not limited thereto.

Alternatively, the minimum distance between the transfer port 1331 and the downcomer channel 1311 is 1mm-1.4mm. Illustratively, the minimum distance between the transfer port 1331 and the downcomer channel 1311 is L3 shown in fig. 7, which is 1.2mm. By providing the minimum distance between the transfer port 1331 and the lower fluid passageway 1311 as described above, a better conforming seal is achieved to avoid leakage.

Referring to fig. 9, fig. 9 is a schematic view of the seal shown in fig. 7 at another angle.

Referring to fig. 9 in combination with fig. 8, a surface of the atomizing base 13 adjacent to the liquid storage cavity 150 is provided with a plurality of fixing grooves 1313, a surface of the sealing member 14 adjacent to the atomizing base 13 is provided with a plurality of protrusions 1413, and the protrusions 1413 are accommodated in the fixing grooves 1313. Specifically, the sealing portion 1411 of the seal 14 is provided with a plurality of protrusions 1413 near the surface of the atomizing base 13. One of the holding grooves 1313 accommodates one of the protrusions 1413. The fixing groove 1313 is offset from the expansion hole 141b. It will be appreciated that the boss 1413 is cooperatively dimensioned with the fixed slot 1313 to effect securement between the seal 14 and the atomizing base 13. Fool-proofing is also achieved by the protrusions 1413 and the retaining groove 1313, ensuring that the assembled abutments 1412 correspond to the transfer ports 1331.

Optionally, the top surface of the atomizing base 13 is provided with four fixing grooves 1313, and the four fixing grooves 1313 are symmetrically arranged along the center of the atomizing hole 1312. The surface of the sealing member 14 close to the atomizing seat 13 is correspondingly provided with four protrusions 1413.

It will be appreciated that when the protrusion 1413 is accommodated in the fixing groove 1313 to limit the sealing member 14, and the sealing member 14 swells under the action of the aerosol generating substrate, the enlarged size of the first sealing member 141 of the sealing member 14 will release the corresponding larger size from the weak place of the first sealing member 141, if the expansion hole 141b is not provided on the sealing portion 1411 of the first sealing member 141, the first sealing member 141 may be raised upwards, a gap exists between the sealing member 14 and the top surface of the atomizing seat 13, the leakage preventing bonding surface fails, and the sealing portion 1411 changes from the bonding leakage preventing state to the open leakage preventing state. That is, by providing the expansion hole 141b in the first sealing member 141, the block partition is realized, and the expansion space is provided, which is advantageous in realizing a good liquid leakage preventing effect.

With continued reference to fig. 1 and 2, the host 20 includes a battery 21 and a controller 22. The battery 21 is electrically connected to the heat generating body of the heat generating component 12 for providing electrical energy for the operation of the heat generating body of the heat generating component 12 to enable the heat generating body to atomize the aerosol-generating substrate to form an aerosol. The controller 22 is used to control the operation of the atomizer heating assembly 12. The host 20 further includes other components such as an airflow sensor (not shown), and the structure and function of the other components such as the airflow sensor may be referred to in the prior art and will not be described herein.

It should be noted that, in this embodiment, the lower seat 132 of the atomizer 10 extends into the main unit 20, and the portion of the lower seat 132 serves as a bracket for fixing the battery 21 and the controller 22. Because the lower seat 132 portion cooperates with the upper seat 131 to form a mounting cavity, the lower seat 132 portion serves as a support, and the atomizer 10 is not detachable from the main unit 20. In other embodiments, the lower seat is only located in the atomizer, and the main machine is provided with a bracket for fixing the battery and the controller, so that the atomizer and the main machine are detachable, and the functions of the atomizer are not changed.

Referring to fig. 10, fig. 10 is a schematic partial structure of a second embodiment of an electronic atomization device according to the present utility model.

The structure of the second embodiment of the electronic atomizing device is substantially the same as that of the first embodiment of the electronic atomizing device, except that: the abutting portions 1412 of the first seals 141 are different in structure. Specifically, in the first embodiment of the electronic atomizing device, the thickness of the abutting portion 1412 parallel to the axial direction of the transfer port 1331 gradually increases in the direction perpendicular to the axial direction of the transfer port 1331 and toward the fixing portion 101. In the second embodiment of the electronic atomizing device, the abutting portion 1412 has the same thickness.

In an embodiment, the projection of the abutment 1412 onto the sealing portion 1411 does not cover the projection of the ventilation opening 1331 onto the sealing portion 1411. In one embodiment, the projection of the abutment 1412 onto the seal 1411 completely covers the projection of the transfer port 1331 onto the seal 1411. In one embodiment, the projection of the abutment 1412 onto the seal 1411 covers the projection of the partial transfer port 1331 onto the seal 1411. The abutting portion 1412 may serve to limit the size of the gap between the seal portion 1411 and the ventilation opening 1331 in the ventilation state.

Referring to fig. 11, fig. 11 is a schematic partial structure of a third embodiment of an electronic atomization device according to the present utility model.

The structure of the third embodiment of the electronic atomizing device is substantially the same as that of the first embodiment of the electronic atomizing device, except that: the ventilation ports 1331 are provided at different positions. It should be noted that, the arrangement of the first sealing member 141 in the third embodiment of the electronic atomizing device is the same as the arrangement of the first sealing member 141 in the first embodiment of the electronic atomizing device and the technical effects thereof are the same, and will not be described again. The thickness of the abutting portion 1412 in the third embodiment of the electronic atomizing device may be gradually increased (see description of the first embodiment of the electronic atomizing device in particular), or may be uniform (see description of the second embodiment of the electronic atomizing device in particular).

In this embodiment, the ventilation channel 133 is a through hole formed on a wall surface of the liquid storage cavity 150, specifically, a wall surface of the housing 11, and the liquid storage cavity 150 is directly communicated with the external air through the ventilation channel 133. The port of the ventilation channel 133 near the liquid storage cavity 150 is a ventilation port 1331, and the ventilation port 1331 is arranged on the wall surface of the shell 11. The first seal 141 is at least partially connected to the wall surface of the housing 11 so that the first seal 141 can seal the ventilation opening 1331 and also can form a gap with the ventilation opening 1331.

In one embodiment, the fixing portion 101 is provided on a wall surface of the housing 11 (as shown in fig. 11).

In one embodiment, a portion of the atomizing base 13 corresponding to the abutting portion 1412 serves as the fixing portion 101.

In the present embodiment, the second seal 142 and the first seal 141 are independent from each other, and the second seal 142 covers the side surface of the atomizing base 13.

Referring to fig. 12, fig. 12 is a schematic partial structure of a fourth embodiment of an electronic atomization device according to the present utility model.

The structure of the fourth embodiment of the electronic atomizing device is substantially the same as that of the first embodiment of the electronic atomizing device, except that: the ventilation ports 1331 are provided at different positions. It should be noted that, the arrangement of the first sealing member 141 in the fourth embodiment of the electronic atomizing device is the same as the arrangement of the first sealing member 141 in the first embodiment of the electronic atomizing device and the technical effects thereof are the same, and will not be described again. The thickness of the abutting portion 1412 in the fourth embodiment of the electronic atomizing device may be gradually increased (see description of the first embodiment of the electronic atomizing device in particular), or may be uniform (see description of the second embodiment of the electronic atomizing device in particular).

In this embodiment, the ventilation channel 133 is disposed on the atomizing base 13, and the port of the ventilation channel 133 near the liquid storage chamber 150 is disposed on the wall surface of the liquid discharging channel 1311. In contrast to the manner in which the transfer port 1331 is in direct fluid communication with the reservoir 150 in the first embodiment, the transfer port 1331 in this embodiment is in indirect fluid communication with the reservoir 150 via the lower fluid passageway 1311. The first seal 141 is at least partially connected to the wall surface of the drain channel 1311 such that the first seal 141 seals the transfer port 1331 and also creates a gap with the transfer port 1331.

In one embodiment, the fixing portion 101 is provided on a wall surface of the downcomer 1311 (as shown in fig. 12).

In an embodiment, the fixing portion 101 is disposed on a surface of the atomizing base 13 near the liquid storage cavity 150. Alternatively, the fixing portion 101 covers the entire surface of the atomizing base 13 near the liquid storage chamber 150.

In the present embodiment, the second seal 142 and the first seal 141 are independent from each other, and the second seal 142 covers the side surface of the atomizing base 13.

The foregoing is only the embodiments of the present utility model, and therefore, the patent scope of the utility model is not limited thereto, and all equivalent structures or equivalent processes using the descriptions of the present utility model and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the utility model.

Claims (13)

1. An atomizer, comprising:

a reservoir for storing a liquid aerosol-generating substrate;

a ventilation channel for ventilating the reservoir, the ventilation channel having a ventilation port in fluid communication with the reservoir;

a fixing part;

the first sealing piece comprises a sealing part and a supporting part arranged on the surface of the sealing part, and the sealing part seals the ventilation opening when the ventilation opening is in a non-ventilation state; when the ventilation port is in a ventilation state, a gap exists between the sealing part and the ventilation port, and the abutting part can move along with the sealing part to abut against the fixing part.

2. The nebulizer of claim 1, further comprising a housing, a nebulization seat; the atomizing seat is arranged in the shell, and the shell and the atomizing seat are surrounded to form the liquid storage cavity;

the ventilation opening is arranged on the surface of the atomization seat facing the liquid storage cavity, and the part of the shell corresponding to the outer side of the supporting part is the fixing part.

3. The atomizer of claim 2 wherein said atomizing base has a lower liquid passage in communication with said liquid storage chamber; the sealing part is provided with a through hole corresponding to the liquid discharging channel, the two sides of the ventilation opening of the sealing part are respectively provided with a cutting seam or an expanding hole, and the cutting seam or the expanding hole is communicated with the through hole.

4. A nebulizer as claimed in claim 3, wherein the minimum distance between the ventilation opening and the lower liquid channel is 1mm-1.4mm.

5. The atomizer according to claim 2, wherein the surface of the atomizing base adjacent to the liquid storage chamber is provided with a plurality of fixing grooves, the surface of the sealing portion adjacent to the atomizing base is provided with a plurality of protrusions, and the protrusions are accommodated in the fixing grooves.

6. The atomizer of claim 1 wherein said venting port is provided in a wall of said reservoir.

7. The atomizer of claim 1 further comprising a housing, an atomizing seat disposed within said housing, said housing and said atomizing seat surrounding to form said liquid storage chamber, said atomizing seat having a liquid discharge passage in communication with said liquid storage chamber;

the ventilation opening is arranged on the wall surface of the liquid discharging channel.

8. The atomizer according to any one of claims 1 to 7, wherein the abutment portion has a gradually increasing thickness parallel to the axial direction of the transfer port in a direction perpendicular to the axial direction of the transfer port and toward the fixing portion.

9. The atomizer of claim 8, wherein said first seal member is provided with a through-hole communicating with said liquid storage chamber, said through-hole penetrating said seal portion and said abutment portion.

10. The nebulizer of any one of claims 2-5, 7, further comprising a second seal disposed sealingly between a side of the nebulization seat and the housing.

11. The nebulizer of any one of claims 1 to 7, wherein a gap between a side of the abutment and the fixed portion is less than or equal to 0.05mm.

12. The nebulizer of any one of claims 1 to 7, wherein an orthographic projection of the abutment on the seal at least partially covers an orthographic projection of the ventilation opening on the seal in a direction parallel to an axial direction of the ventilation opening.

13. An electronic atomizing device, comprising:

the nebulizer of any one of claims 1 to 12;

and the host machine is used for providing electric energy for the work of the atomizer.