CN216453362U - Atomizer, power supply module and electronic atomization device - Google Patents

Abstract

The application provides an atomizer, a power supply assembly and an electronic atomization device, wherein the atomizer comprises a shell, a sealing seat and an atomization core; the shell is provided with a liquid storage cavity and an accommodating cavity which are communicated with each other; the seal seat is arranged in the accommodating cavity, an installation cavity is formed in the seal seat, and the atomizing core is arranged in the installation cavity; the electrode hole is used for inserting an electrode thimble of the power supply component so as to realize the electric connection between the power supply component and the atomizing core; the electrode hole is in interference fit with the electrode thimble so as to fix the atomizer and the power supply assembly. Through the arrangement, the power supply assembly can be electrically connected with the atomizing core without arranging an electrode conduction assembly on the atomizer; and the atomizer can be connected with the power supply assembly in a plug-in manner without arranging connecting structures on the atomizer and the power supply assembly respectively, so that the number of parts is reduced, the complexity of a production process is reduced, and the cost is saved.

Description

Atomizer, power supply module and electronic atomization device

Technical Field

The utility model relates to the technical field of atomizers, in particular to an atomizer, a power supply assembly and an electronic atomization device.

Background

The electronic atomization device can separate the atomizer from the power supply assembly in the transportation process, and when a user uses the electronic atomization device to suck aerosol, the atomizer and the power supply assembly need to be connected and fixed. At present, an atomizer and a power supply assembly are both provided with an electrode thimble and a magnet; the atomizer and the power supply assembly are connected and fixed through the magnet, and are electrically connected through the electrode thimble while being connected and fixed; that is, to fix and electrically connect the atomizer and the power module, many parts are required, and the manufacturing process is complicated.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application provides an atomizer, a power supply assembly and an electronic atomization device, so as to solve the technical problem in the prior art that many parts are required for fixing and electrically connecting the atomizer and the power supply assembly.

In order to solve the above technical problem, a first technical solution provided by the present application is: the atomizer comprises a shell, a sealing seat and an atomizing core; the shell is provided with a liquid storage cavity and an accommodating cavity which are communicated with each other; the sealing seat is arranged in the accommodating cavity; the sealing seat is provided with a mounting cavity; the atomization core is arranged in the installation cavity; the electrode hole is used for enabling an electrode thimble of a power supply assembly to be inserted so as to realize the electric connection between the power supply assembly and the atomizing core; the electrode hole is in interference fit with the electrode thimble so as to fix the atomizer and the power supply assembly.

Wherein the atomizer further comprises a lead wire; the first end of lead wire set up in atomizing core, the second end set up in the electrode hole makes the electrode thimble inserts the electrode hole in order to with atomizing core electricity is connected.

The sealing seat is provided with a mounting groove at one end far away from the liquid storage cavity, and the electrode hole is a blind hole arranged on the bottom wall of the mounting groove; and the second end of the lead penetrates into the mounting groove from the bottom wall or the side wall of the mounting groove and then is bent to be arranged on the inner surface of the electrode hole.

The sealing seat is provided with a through hole which enables the mounting cavity to be communicated with the mounting groove; the through hole and the electrode hole are arranged at intervals; and the second end of the lead wire penetrates through the through hole and then is bent to be arranged on the inner surface of the electrode hole.

And a metal electrode is arranged at the position of the atomizing core, which is far away from the liquid storage cavity, so as to be electrically connected with the electrode thimble.

Wherein the metal electrode is a silver electrode.

Wherein the electrode hole is configured such that the electrode thimble pierces a bottom wall of the electrode hole when inserted into the electrode hole to be electrically connected with the metal electrode.

One end of the sealing seat is used for forming the bottom surface of the liquid storage cavity, and the other end of the sealing seat is used for sealing the accommodating cavity; the seal seat is integrally formed.

Wherein, atomizing core at least part set up in the installation intracavity, atomizing core is including inhaling liquid level and atomizing face, inhale the liquid level with stock solution chamber intercommunication.

One end of the sealing seat, which is close to the liquid storage cavity, is provided with an air outlet and two lower liquid channels, and the two lower liquid channels are respectively arranged on two sides of the air outlet; one end of the lower liquid channel is communicated with the liquid storage cavity, and the other end of the lower liquid channel is communicated with the installation cavity.

Wherein, the atomizing core includes atomizing face and imbibition face, the atomizing face with form the atomizing chamber between the installation cavity, be provided with the intercommunicating pore on the lateral wall of installation cavity, the intercommunicating pore makes the atomizing chamber with the venthole intercommunication.

In order to solve the above technical problem, a second technical solution provided by the present application is: the utility model provides a power supply module, includes the electrode thimble, the electrode thimble with electrode hole interference fit on the atomizer, in order to realize the atomizer with power supply module's is fixed.

In order to solve the above technical problem, a third technical solution provided by the present application is: the electronic atomizer comprises a power supply assembly and an atomizer, wherein the atomizer is any one of the atomizers; the power supply component is the power supply component; the power supply assembly provides energy for the operation of the atomizer.

The beneficial effect of this application: different from the prior art, the atomizer in the application comprises a shell, a sealing seat and an atomizing core; the shell is provided with a liquid storage cavity and an accommodating cavity which are communicated with each other; the seal seat is arranged in the accommodating cavity, an installation cavity is formed in the seal seat, and the atomizing core is arranged in the installation cavity; the electrode hole is used for inserting an electrode thimble of the power supply assembly so as to realize the electric connection between the power supply assembly and the atomizing core; the electrode hole is in interference fit with the electrode thimble so as to fix the atomizer and the power supply assembly. Through the arrangement, the power supply assembly can be electrically connected with the atomizing core without arranging an electrode conduction assembly on the atomizer; and the atomizer can be connected with the power supply assembly in a plug-in manner without arranging connecting structures on the atomizer and the power supply assembly respectively, so that the number of parts is reduced, the complexity of a production process is reduced, and the cost is saved.

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, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of a first embodiment of an atomizer as provided herein;

FIG. 2a is a schematic view of a portion of a first embodiment of an atomizer as provided herein;

FIG. 2b is an enlarged schematic view of region A of FIG. 2 a;

FIG. 3 is a schematic view of a seal holder of a first embodiment of an atomizer as provided herein;

FIG. 4 is another schematic illustration in partial configuration of a first embodiment of an atomizer as provided herein;

FIG. 5 is a schematic cross-sectional view in a first direction of a second embodiment of an atomizer as provided herein;

FIG. 6 is a schematic view in partial cross-section in a first direction of a second embodiment of an atomizer as provided herein;

FIG. 7 is a schematic view in partial cross-section in a second direction of a second embodiment of an atomizer as provided herein;

FIG. 8 is a schematic structural diagram of a first embodiment of an electronic atomizer device according to the present disclosure;

FIG. 9 is a schematic diagram of the structure of a power supply assembly provided herein;

FIG. 10 is a schematic view of a portion of a first embodiment of an electronic atomizer device according to the present disclosure;

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

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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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. All directional indications (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication 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.

Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a first embodiment of an atomizer provided in the present application, fig. 2a is a schematic partial structural diagram of the first embodiment of the atomizer provided in the present application, and fig. 3 is a schematic structural diagram of a seal seat in the first embodiment of the atomizer provided in the present application.

The atomizer 1 includes a housing 11, a seal holder 12, and an atomizing core 13. The housing 11 is formed with a reservoir chamber 111 and a receiving chamber 112 communicating with each other. The seal holder 12 is arranged in the accommodating cavity 112, the seal holder 12 is formed with a mounting cavity 121, and the atomizing core 13 is arranged in the mounting cavity 121. One end of the sealing seat 12 is used for forming the bottom surface of the liquid storage cavity 111, and the other end of the sealing seat 12 is used for sealing the accommodating cavity 112; the seal holder 12 is integrally formed. One end of the sealing seat 12 forms the bottom surface of the liquid storage cavity 111 and simultaneously realizes the sealing of the liquid storage cavity 111; it will be appreciated that the seal here is to avoid a random outflow of aerosol-generating substrate in the reservoir chamber 111 to prevent leakage at the fitting gap. The material of the sealing seat 12 is silica gel or plastic, preferably silica gel.

By integrally forming the sealing seat 12, the sealing seat 12 can not only seal the liquid storage cavity 111, but also seal and plug the open end of the accommodating cavity 112, thereby reducing the number of sealing elements, reducing the assembly complexity and avoiding the influence of the respective dimensional tolerance of a plurality of sealing elements and the tolerance formed in the assembly process on the sealing effect; and seal receptacle 12 is formed with installation cavity 121, and atomizing core 13 sets up in installation cavity 121, promptly, seal receptacle 12 has integrateed the function of atomizing seat, has further reduced the part quantity of atomizer 1, further reduces the assembly complexity, makes the installation simpler, and the environmental protection just practices thrift the cost.

The atomizing core 13 includes a porous liquid guiding member (not shown) and a heating member (not shown), the heating member is disposed on the surface of the porous liquid guiding member and is an atomizing surface, and other surfaces of the porous liquid guiding member are liquid absorbing surfaces. That is, the atomizing core 13 includes an atomizing surface and an aspirating surface. In this embodiment, the liquid absorption surface of the atomizing core 13 is communicated with the liquid storage cavity 111, the aerosol-generating substrate in the liquid storage cavity 111 enters the atomizing core 13 through the liquid absorption surface of the atomizing core 13, the aerosol-generating substrate is guided to the atomizing surface by the capillary force of the porous liquid guide member in the atomizing core 13, and the aerosol is generated by heating and atomizing the heat generating member. Through making the imbibition face and the direct intercommunication of stock solution chamber 111 of atomizing core 13, atomizing core 13 imbibition is comparatively abundant, can realize better atomization effect.

Further, one end of the sealing seat 12 close to the liquid storage cavity 111 is inserted into the liquid storage cavity 111, and the outer surface of the mounting cavity 121 is attached to the inner surface of the liquid storage cavity 111, so as to seal the liquid storage cavity 111; it will be appreciated that the sealing is meant to avoid disordered egress of the aerosol-generating substrate from the reservoir 111. Through setting up the one end that is close to stock solution chamber 111 with seal receptacle 12 to inserting stock solution chamber 111, can seal stock solution chamber 111 better, make atomizing core 13 be close to the aerosol generation matrix of the direct soaking in stock solution chamber 111 in surface of stock solution chamber 111 in addition, in the aerosol generation matrix that makes atomizing core 13's imbibition face directly soak in stock solution chamber 111, and then make atomizing core 13's imbibition more abundant, be favorable to atomizing core 13 to realize better atomization effect.

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

In the present embodiment, the inner surface of the installation cavity 121 is provided with an annular recess 1221, and the side wall portion of the atomizing core 13 is embedded in the annular recess 1221, so that the installation cavity 121 can fix the atomizing core 13 well. Specifically, the porous liquid guiding member of the atomizing core 13 includes a main body portion and a protrusion portion, and an edge of the main body portion is embedded in the annular recess 1221. Optionally, the mounting cavity 121 is in interference fit with the atomizing core 13. In one embodiment, the portion of the mounting cavity 121 corresponding to the annular recess 1221 is entirely located within the reservoir cavity 111.

In one embodiment, the surface of the seal holder 12 adjacent to the reservoir 111 has a first groove opening to the reservoir, the first groove forming the mounting cavity 121. The atomizing core 13 is disposed in the first groove, so that the liquid absorbing surface of the atomizing core 13 is exposed to the liquid storage cavity 111 through the opening of the first groove, and the aerosol generating substrate in the liquid storage cavity 111 directly enters the atomizing core 13 through the opening of the first groove. Specifically, the surface of the sealing seat 12 close to the liquid storage cavity 111 is provided with only one first groove, and optionally, the opening area of the first groove may account for more than 70%, preferably, more than 90%, of the surface of the sealing seat 12 close to the liquid storage cavity 111. Through the above-mentioned setting, make atomizing core 13's imbibition face can all or most direct exposure in stock solution chamber 111 at least, atomizing core 13 imbibition is comparatively abundant, can realize better atomization effect.

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

The housing 11 is further formed with two atomizing passages 113, the two atomizing passages 113 are respectively disposed at two sides of the liquid storage cavity 111, and the two atomizing passages 113 and the liquid storage cavity 111 are disposed side by side; the two atomization passages 113 are respectively communicated with the atomization chamber 123. It can be understood that one end of the atomizing channel 113 is communicated with the atomizing chamber 123, and the other end of the atomizing channel 113 is communicated with the outside atmosphere, so that the user can suck the atomized aerosol on the atomizing core 13 by sucking from a port of the atomizing channel 113 far away from the atomizing chamber 123.

In this embodiment, the sealing seat 12 further forms an air outlet channel 124, and the atomizing cavity 123 is communicated with the atomizing channel 113 through the air outlet channel 124. Specifically, the two air outlet channels 124 are respectively located on two opposite sides of the atomizing cavity 123 and respectively communicated with the atomizing cavity 123, and the two air outlet channels 124 are respectively disposed corresponding to the two atomizing channels 113 and respectively communicated with the two atomizing channels 113. In this embodiment, an inner concave portion is formed at one end of the sealing seat 12 close to the liquid storage cavity 111, so that the end of the sealing seat 12 can be inserted into the liquid storage cavity 111, a gap is formed between a side wall of the inner concave portion and an inner surface of the accommodating cavity 112, and the air outlet channel 124 is communicated with the atomizing channel 113 through the gap.

Further, a one-way valve 1241 may be further disposed on the air outlet channel 124, and the one-way valve 1241 enables the aerosol generated by the atomizing core 13 to flow from the atomizing cavity 123 to the atomizing channel 113 through the air outlet channel 124. When a user sucks the aerosol, the one-way valve 1241 is opened, and the aerosol generated after the atomizing core 13 is heated flows from the atomizing cavity 123 to the atomizing channel 113 through the air outlet channel 124; when the user stops pumping, the one-way valve 1241 is closed to prevent leakage or condensation in the nebulizing chamber 123 from escaping through the air outlet channel 124. It can be understood that the check valve 1241 may be an electronically controlled mechanical valve, or may be a check valve structure such as a tesla valve, which is specifically designed according to the requirement. By arranging the one-way valve 1241 to open only when a user draws, aerosol-generating substrate or condensate may be prevented from escaping through the outlet passage 124 in the un-drawn state, reducing the user experience.

Referring to fig. 1, a second groove 130 is formed at one end of the seal holder 12 away from the liquid storage cavity 111, and an open end of the second groove 130 is communicated with the outside atmosphere; a through hole (not shown) is formed in the bottom wall of the second groove 130, and the atomizing chamber 123 is communicated with the second groove 130 through the through hole, so that the atomizing chamber 123 is communicated with the external atmosphere. That is, the outside atmosphere enters the atomizing cavity 123 through the through hole on the bottom wall of the second groove 130, the aerosol atomized by the atomizing core 13 enters the atomizing channel 113 through the air outlet channel 124, and the aerosol flows to the port of the atomizing channel 113 to be inhaled by the user.

Further, a ventilation gap (not shown) is arranged between the atomizing core 13 and the wall of the mounting cavity 121 to ventilate the liquid storage cavity 111; that is to say, be provided with the clearance of taking a breath between the surface of atomizing core 13 and the internal surface of installation cavity 121, this clearance of taking a breath is with atomizing chamber 123 and stock solution chamber 111 intercommunication, and atomizing chamber 123 and external atmosphere intercommunication realize the taking a breath to stock solution chamber 111, make stock solution chamber 111 and external atmospheric pressure balance, and then guarantee that the aerosol in stock solution chamber 111 generates the substrate and smoothly descends the liquid to atomizing core 13. It will be appreciated that the size of the ventilation gap is not sufficient to allow a significant amount of aerosol-generating substrate in the reservoir chamber 111 to pass through the ventilation gap directly into the atomizing wick 13.

In one embodiment, at least one first recess (not shown) is provided on a side wall of the atomizing core 13, and/or at least one second recess (not shown) is provided on a wall of the mounting chamber 121, and the first recess and/or the second recess are used for forming the air exchange gap. Specifically, the first recess and the wall of the mounting cavity 121 cooperate to form a ventilation gap, or the second recess and the sidewall of the atomizing core 13 cooperate to form a ventilation gap, or the first recess and the second recess cooperate to form a ventilation gap. It can be understood that the liquid storage cavity 111 is ventilated by providing the first recess and/or the second recess so that a part of the side wall of the atomizing core 13 is spaced from a part of the cavity wall of the mounting cavity 121 to communicate the liquid storage cavity 111 with the atomizing cavity 123.

In another embodiment, at least one first rib (not shown) is provided on the side wall of the atomizing core 13 and/or at least one second rib (not shown) is provided on the wall of the mounting chamber 121, the first rib and/or the second rib being used to form the air exchange gap. Specifically, the first rib cooperates with the wall of the mounting cavity 121 to form a ventilation gap, or the second rib cooperates with the sidewall of the atomizing core 13 to form a ventilation gap, or the first rib cooperates with the second rib to form a ventilation gap. It can be understood that the liquid storage cavity 111 is ventilated by arranging the first rib and/or the second rib to make a part of the side wall of the atomizing core 13 and a part of the cavity wall of the mounting cavity 121 be arranged at intervals, so that the liquid storage cavity 111 is communicated with the atomizing cavity 123.

In yet another embodiment, a ventilation member 1223 is disposed between the side wall of the atomizing core 13 and the wall of the mounting cavity 121 (see fig. 4, fig. 4 is another partial structural schematic view of the first embodiment of the atomizer provided in the present application); optionally, the air interchanger 1223 is a steel wire, that is, a steel wire is arranged between the side wall of the atomizing core 13 and the wall of the mounting cavity 121, the cross-sectional diameter of the steel wire is 0.1mm to 0.5mm, preferably, the cross-sectional diameter of the steel wire is 0.2mm to 0.3mm, the tolerance of the steel wire is small, the mounting is simple, and the process can be simplified. It can be understood that, the air interchanger 1223 is arranged between the side wall of the atomizing core 13 and the wall of the mounting cavity 121, so that a part of the side wall of the atomizing core 13 and a part of the wall of the mounting cavity 121 are arranged at intervals, so that the liquid storage cavity 111 is communicated with the atomizing cavity 123, and the air interchanging of the liquid storage cavity 111 is realized. In this embodiment, the material of the air breather 1223 may be another metal or a non-metal, and may be provided so that a part of the side wall of the atomizing core 13 and a part of the cavity wall of the mounting cavity 121 are spaced apart from each other.

Referring to fig. 2a, an end of the sealing seat 12 away from the reservoir 111 is provided with an electrode hole 125, and the electrode hole 125 is used for inserting an electrode thimble 21 (see fig. 9) of the power module 2 to electrically connect the power module 2 and the atomizing core 13. The electrode hole 125 is configured to be interference-fitted with the electrode thimble 21 to achieve fixation of the atomizer 1 to the power supply module 2. The electric connection between the power supply module 2 and the atomizing core 13 can be realized by inserting the electrode thimble 21 into the electrode hole 125, so that the electric connection between the power supply module 2 and the atomizing core 13 can be realized without arranging an electrode conduction component on the atomizer 1; the electrode hole 125 is configured to be in interference fit with the electrode thimble 21, so that the atomizer 1 and the power supply module 2 can be fixed in a plug-in manner without arranging a connecting structure on the atomizer 1 and the power supply module 2, the number of parts is reduced, and the assembly complexity is reduced.

The atomizer 1 further comprises a lead 14; the first end of the lead wire 14 is disposed on the atomizing core 13, and the second end is disposed in the electrode hole 125, so that the electrode thimble 21 can be electrically connected to the atomizing core 13 through the lead wire 14 after being inserted into the electrode hole 125. Specifically, the main body of the lead 14 is disposed in the atomizing chamber 123, one end of the lead is electrically connected to the heating element of the atomizing core 13, and the other end of the lead extends into the electrode hole 125 to be connected to the electrode pin 21, so as to electrically connect the atomizing core 13 and the electrode pin 21, and thus electrically connect the atomizing core 13 and the power module 2.

Specifically, one end of the seal receptacle 12, which is far away from the liquid storage cavity 111, is provided with a mounting groove 126, and the electrode hole 125 is a blind hole disposed on the bottom wall of the mounting groove 126, that is, the aperture of the mounting groove 126 is larger than that of the electrode hole 125. The second end of the lead wire 14 is bent after penetrating into the mounting groove 126 from the bottom wall or the side wall of the mounting groove 126 to be disposed at the inner surface of the electrode hole 125. In the present embodiment, a through hole 1262 is formed in the sealing seat 12, the through hole 1262 connects the mounting cavity 121 with the mounting groove 126, the through hole 1262 is spaced apart from the electrode hole 125, and the second end of the lead 14 passes through the through hole 1262 and then is bent to be disposed on the inner surface of the electrode hole 125 (see fig. 2b, where fig. 2b is an enlarged schematic view of the area a in fig. 2 a). It can be understood that the end of the sealing seat 12 away from the liquid storage cavity 111 has two mounting grooves 126 to form electrode holes 125 on the bottom walls of the mounting grooves 126, i.e. two electrode holes 125 are formed; preferably, the two electrode holes 125 are symmetrically disposed. Referring to fig. 1, two electrode holes 125 are respectively disposed at both sides of the second groove 130.

Through the second end with lead wire 14 first get into mounting groove 126 and buckle and set up in electrode hole 125 again, aerosol generation matrix or condensate pass through lead wire 14 and preferentially get into mounting groove 126 to get into power supply module 2 after by the catch basin of the connecting seat of power supply module 2 and collect, and be difficult to get into electrode hole 125, avoid the weeping to influence the electric connection of electrode thimble 21 and atomizing core 13. Optionally, the leads 14 are interference fit with the through-holes 1262 to further prevent the aerosol-generating substrate or condensate from flowing out through the through-holes 1262.

In another embodiment, the atomizer 1 may not include the lead 14, and the atomizing core 13 is provided with a metal electrode at a position far away from the liquid storage cavity 111; optionally, the metal electrode is a silver electrode. The electrode thimble 21 is inserted into the electrode hole 125 to be electrically connected to the metal electrode, thereby electrically connecting the power module 2 to the atomizing core 13. The structure of the end of the sealing seat 12 away from the reservoir 111 can be changed accordingly, for example, reference can be made to the structure of the end of the sealing seat 12 away from the reservoir 111 in the second embodiment of the atomizer 1.

Referring to fig. 1 and 3, a first annular bulge 127 and a second annular bulge 128 are arranged on the outer surface of one end of the sealing seat 12 close to the liquid storage cavity 111, the first annular bulge 127 is abutted with the inner surface of the liquid storage cavity 111, the second annular bulge 128 is abutted with the end part of the cavity wall of the liquid storage cavity 111, and the sealing of the liquid storage cavity 111 is enhanced through the first annular bulge 127 and the second annular bulge 128. Specifically, the second annular protrusion 128 forms a first stepped portion on the outer surface of the mounting cavity 121, and the width of the first stepped portion is equivalent to the thickness of the cavity wall of the reservoir cavity 111, so that the end of the cavity wall of the reservoir cavity 111 abuts against the surface of the first stepped portion.

The outer surface of one end of the seal holder 12, which is far away from the liquid storage cavity 111, is provided with a third annular protrusion 129 and a fourth annular protrusion 120, the third annular protrusion 129 abuts against the inner surface of the accommodating cavity 112, the fourth annular protrusion 120 abuts against the end part of the cavity wall of the accommodating cavity 112, and the end, which is far away from the liquid storage cavity 111, of the accommodating cavity 112 is sealed through the third annular protrusion 129 and the fourth annular protrusion 120. Specifically, the fourth annular protrusion 120 forms a second step portion on the outer surface of the seal holder 12, and the width of the second step portion is equivalent to the thickness of the cavity wall of the accommodating cavity 112, so that the end of the cavity wall of the accommodating cavity 112 abuts against the surface of the second step portion.

Referring to fig. 5 to 7, fig. 5 is a schematic cross-sectional view of a second embodiment of an atomizer provided in the present application in a first direction, fig. 6 is a schematic cross-sectional view of a portion of the second embodiment of the atomizer provided in the present application in the first direction, and fig. 7 is a schematic cross-sectional view of a portion of the second embodiment of the atomizer provided in the present application in a second direction. Wherein the first direction is perpendicular to the second direction.

In the second embodiment, the atomizer 1 includes a housing 11, a seal holder 12, and an atomizing core 13. The housing 11 is formed with a reservoir chamber 111 and a receiving chamber 112 communicating with each other. The seal holder 12 is arranged in the accommodating cavity 112, the seal holder 12 is formed with a mounting cavity 121, and the atomizing core 13 is arranged in the mounting cavity 121. One end of the sealing seat 12 is used for forming the bottom surface of the liquid storage cavity 111, and the other end of the sealing seat 12 is used for sealing the accommodating cavity 112; the seal holder 12 is integrally formed. One end of the sealing seat 12 forms the bottom surface of the liquid storage cavity 111 and simultaneously realizes sealing of the liquid storage cavity 111; it will be appreciated that the seal here is to avoid a random outflow of aerosol-generating substrate in the reservoir chamber 111 to prevent leakage at the fitting gap. The material of the sealing seat 12 is silica gel or plastic, preferably silica gel.

The sealing seat 12 has an air outlet 151 and a lower liquid passage 152 formed at an end thereof adjacent to the liquid storage chamber 111. In this embodiment, two lower fluid passages 152 are formed at one end of the sealing seat 12 close to the fluid storage cavity 111, and the two lower fluid passages 152 are respectively disposed at two sides of the air outlet 151. One end of the lower liquid passage 152 communicates with the liquid storage chamber 111, and the other end communicates with the mounting chamber 121. The aerosol-generating substrate in the reservoir chamber 111 enters the atomizing cartridge 13 through the downcomer channel 152.

The atomizing core 13 includes a porous liquid guiding member (not shown) and a heating member (not shown), the heating member is disposed on the surface of the porous liquid guiding member and is an atomizing surface, and other surfaces of the porous liquid guiding member are liquid absorbing surfaces. That is, the atomizing core 13 includes an atomizing surface and an aspirating surface. The aerosol-generating substrate in the liquid storage cavity 111 enters the liquid suction surface through the lower liquid channel 152, and is guided to the atomization surface by the capillary force of the porous liquid guide member in the atomization core 13, and is heated and atomized by the heat generating member to generate aerosol. An atomizing cavity 123 is formed between the atomizing surface of the atomizing core 13 and the mounting cavity 121, a communication hole 1211 is formed in the side wall of the mounting cavity 121, and the communication hole 1211 enables the atomizing cavity 123 to be communicated with the air outlet hole 151. The mounting cavity 121 includes a first sidewall (not shown) and a second sidewall (not shown) opposite to each other, and a communication hole 1211 is formed on the first sidewall and/or the second sidewall. In the present embodiment, the communication hole 1211 is provided on only one of the first side wall and the second side wall; that is, the atomizing core 13 is installed laterally (as shown in fig. 7). The size of the communicating hole 1211 may be designed as required, and the atomizing chamber 123 may be communicated with the air outlet 151.

In one embodiment, a third groove (not shown) is provided on the side wall of the sealing seat 12, and forms the mounting cavity 121. The opening of the third groove serves as a communication hole 1211. In the state that the atomizing core 13 is disposed in the third groove, an atomizing cavity 123 is formed between the surface (i.e., the atomizing surface) of the atomizing core 13 away from the liquid storage cavity 111 and the third groove. And an air outlet hole 151 and a lower liquid channel 152 are arranged on the side wall of the third groove, so that the lower liquid channel 152 is communicated with the mounting cavity 121, and the air outlet hole 151 is communicated with the atomizing cavity 123 through an opening of the third groove. It will be appreciated that, alternatively, a through hole is provided on the bottom wall of the third groove, the through hole forming the communication hole 1211, so that the communication hole 1211 is provided on the first side wall and/or the second side wall of the mounting cavity 121.

Referring to fig. 5 and 7, the housing 11 is further formed with an atomization channel 113, and one end of the atomization channel 113 is communicated with the external atmosphere; the liquid storage cavity 111 is arranged around the atomizing channel 113; the air outlet 151 communicates with the atomization passage 113. A second groove 130 is formed at one end of the sealing seat 12 far away from the liquid storage cavity 111, and the open end of the second groove 130 is communicated with the outside atmosphere; a through hole (not shown) is formed in the bottom wall of the second groove 130, and the atomizing chamber 123 is communicated with the second groove 130 through the through hole, so that the atomizing chamber 123 is communicated with the external atmosphere. The external atmosphere enters the atomizing cavity 123 through the through hole on the bottom wall of the second groove 130, the aerosol generated by atomization of the atomizing core 13 is carried from the atomizing cavity 123 to the atomizing channel 113 through the communication hole 1211 and the air outlet 151, and the user sucks the aerosol through the port of the atomizing channel 113.

It can be understood that the atomizing core 13 is mounted in the mounting cavity 121 of the seal holder 12, and can support the seal holder 12. In the present embodiment, the inner surface of the mounting cavity 121 is provided with an annular recess 1221, and the side wall portion of the atomizing core 13 is embedded in the annular recess 1221, so as to achieve better fixation of the atomizing core 13.

Further, a ventilation gap (not shown) is provided between the atomizing core 13 and the wall of the mounting chamber 121 to ventilate the reservoir chamber 111. In the second embodiment of the nebulizer 1, the function and the arrangement of the ventilation gap are the same as those in the first embodiment of the nebulizer 1, and are not described again. Referring to fig. 6, an end of the seal holder 12 away from the reservoir 111 is provided with an electrode hole 125, the electrode hole 125 is used for inserting an electrode thimble 21 (see fig. 9) of the power supply assembly 2 to electrically connect the power supply assembly 2 with the atomizing core 13, and the electrode hole 125 is configured to be in interference fit with the electrode thimble 21 to fix the atomizer 1 with the power supply assembly 2. The electrical connection between the power supply module 2 and the atomizing core 13 can be realized by inserting the electrode needle 21 into the electrode hole 125, so that the electrical connection between the power supply module 2 and the atomizing core 13 can be realized without providing an electrode conduction member (e.g., an electrode needle) on the atomizer 1; the electrode hole 125 is disposed to be interference-fitted with the electrode thimble 21, so that the atomizer 1 and the power supply module 2 can be fixed without providing a connecting structure (for example, a magnet) in each of the atomizer 1 and the power supply module 2, the number of parts is reduced, and the assembly complexity is reduced.

It is understood that the end of the sealing seat 12 away from the reservoir 111 is provided with two electrode holes 125; preferably, the two electrode holes 125 are symmetrically disposed. Referring to fig. 6, two electrode holes 125 are respectively disposed at both sides of the second groove 130.

In the present embodiment, a metal electrode (not shown) is disposed at a position of the atomizing core 13 away from the liquid storage cavity 111 to electrically connect with the electrode thimble 21; optionally, the metal electrode is a silver electrode. The bottom wall of the electrode hole 125 is configured to be pierceable, that is, the bottom wall of the electrode hole 125 is configured to pierce the bottom wall of the electrode hole 125 to electrically connect with the metal electrode when the electrode thimble 21 is inserted into the electrode hole 125, so as to electrically connect the power module 2 and the atomizing core 13. It is understood that the bottom wall of the electrode hole 125 is intact before the electrode needle 21 is inserted into the electrode hole 125, and leakage of the liquid in the atomizing chamber 123 is prevented.

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

Referring to fig. 6, a first annular protrusion 127 is disposed on an outer surface of the sealing seat 12 near one end of the reservoir 111, and the first annular protrusion 127 abuts against an inner surface of the reservoir 111 to enhance the sealing of the reservoir 111. The outer surface of one end of the seal holder 12, which is far away from the liquid storage cavity 111, is provided with a third annular protrusion 129 and a fourth annular protrusion 120, the third annular protrusion 129 abuts against the inner surface of the accommodating cavity 112, the fourth annular protrusion 120 abuts against the end part of the cavity wall of the accommodating cavity 112, and the end, which is far away from the liquid storage cavity 111, of the accommodating cavity 112 is sealed through the third annular protrusion 129 and the fourth annular protrusion 120. A latch 153 is disposed on an outer surface of an end of the sealing seat 12 away from the liquid storage cavity 111, a slot (not shown) is disposed on an inner surface of the accommodating cavity 112, and the latch 153 and the slot (not shown) are cooperatively disposed to fix the sealing seat 12 and the housing 11.

Referring to fig. 8 to 10, fig. 8 is a schematic structural diagram of a first embodiment of an electronic atomizer according to the present application, fig. 9 is a schematic structural diagram of a power supply assembly according to the present application, and fig. 10 is a schematic partial structural diagram of the first embodiment of the electronic atomizer according to the present application.

The electronic atomising device may be used for atomising aerosol-generating substrates such as nicotine-containing solutions, medical solutions and the like. The electronic atomizer device includes an atomizer 1 and a power supply module 2 connected to each other. The nebulizer 1 is used to store an aerosol-generating substrate and to nebulize the aerosol-generating substrate to form an aerosol that can be inhaled by a user. The atomizer 1 can be used in various fields, for example, medical treatment, electronic aerosolization devices, and the like; in one embodiment, the atomizer 1 may be used in an electronic aerosolization device for aerosolizing an aerosol-generating substrate and generating an aerosol for inhalation by an inhaler, as exemplified by the following embodiments; of course, in other embodiments, the atomizer 1 can also be applied to a hair spray apparatus for atomizing hair spray for hair styling; or applied to medical equipment for treating upper and lower respiratory diseases to atomize medical drugs. The power supply assembly 2 is used to provide energy for operation of the nebulizer 1 to enable the nebulizer 1 to nebulize an aerosol-generating substrate to form an aerosol.

The power supply assembly 2 includes an electrode thimble 21, a holder 22, an airflow sensor, a battery and a controller. The air flow sensor is used for sensing whether a user sucks or not, and the controller controls whether the battery supplies power to the atomizer or not according to the sensing result of the air flow sensor so as to determine whether the atomizer 1 works or not. The airflow sensor, battery and controller are secured to the bracket 22. The end of the bracket 22 near the atomizer forms a connecting seat 221, and the electrode thimble 21 is disposed on the connecting seat 221. One end of the electrode thimble 21 is electrically connected to the battery and the controller, and the other end is used for connecting to the atomizer 1.

In the first embodiment of the electronic atomizer 1, the structure of the atomizer 1 is the structure of the first embodiment of the atomizer 1 described above, and details are not repeated. The electrode thimble 21 in the power module 2 includes a first portion 211 and a second portion 212, the first portion 211 is disposed on the connection seat 221 of the holder 22 and electrically connected with the controller, and the second portion 212 protrudes out of the connection seat 221 to form a free end for inserting the atomizer 1. The second portion 212 includes a connection portion 213 and an insertion portion 214, and the insertion portion 214 is disposed on a side of the connection portion 213 away from the first portion 211. The connecting portion 213 is cylindrical; the cross-sectional area of the end of the insertion portion 214 near the connection portion 213 is equal to the cross-sectional area of the end of the connection portion 213 near the insertion portion 214; the insertion portion 214 has a circular cross-section, and the cross-sectional area of the insertion portion 214 is gradually reduced in a direction away from the first portion 211 to form a tip so as to facilitate insertion into the electrode hole 125 (shown in fig. 10).

Referring to fig. 11, fig. 11 is a schematic partial structural view of a second embodiment of an electronic atomization device provided in the present application.

In the second embodiment of the electronic atomizer, the structure of the atomizer 1 is the structure of the second embodiment of the atomizer 1 described above, and details are not repeated. The power module 2 of fig. 11 is basically the same in structure as the power module 2 of fig. 9, except for the structure of the electrode needle 21. Specifically, the electrode needle 21 in the power module 2 includes a first portion 211 and a second portion 212, the first portion 211 is provided on the power module 2, and the second portion 212 is used for inserting the nebulizer 1. The second portion 212 includes a connection portion 213 and an insertion portion 214, and the insertion portion 214 is disposed on a side of the connection portion 213 away from the first portion 211. The connecting portion 213 is cylindrical; the cross-sectional area of the end of the insertion portion 214 close to the connection portion 213 is larger than the cross-sectional area of the end of the connection portion 213 close to the insertion portion 213; the cross-section of the insertion portion 214 is circular, and the cross-sectional area of the insertion portion 214 gradually decreases in a direction away from the first portion 211, so that the second common wall 1251 is not easily pierced to achieve electrical connection with the atomizing core 13. The cross-sectional area of the end of the insertion portion 214 close to the connecting portion 213 is larger than the cross-sectional area of the electrode hole 125, so that the insertion portion 214 of the electrode needle 21 can be clamped at the end of the electrode hole 125, and the electrode needle 21 is prevented from falling off from the electrode hole 125, and thus the atomizer 1 can be fixedly connected with the power module 2 by inserting the electrode needle 21 into the electrode hole 125. The insertion portion 214 covers the electrode hole 125 at the end close to the connection portion 213, and prevents leakage of liquid from the atomizing chamber 123.

The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims (13)

1. An atomizer, comprising:

the shell is provided with a liquid storage cavity and an accommodating cavity which are communicated with each other;

the sealing seat is arranged in the accommodating cavity; the sealing seat is provided with a mounting cavity;

the atomizing core is arranged in the mounting cavity;

the electrode hole is used for enabling an electrode thimble of a power supply assembly to be inserted so as to realize the electric connection between the power supply assembly and the atomizing core;

the electrode hole is in interference fit with the electrode thimble so as to fix the atomizer and the power supply assembly.

2. A nebulizer as claimed in claim 1, wherein the nebulizer further comprises a lead wire; the first end of lead wire set up in atomizing core, the second end set up in the electrode hole makes the electrode thimble inserts the electrode hole in order to with atomizing core electricity is connected.

3. The atomizer according to claim 2, wherein an end of the seal holder away from the reservoir chamber has a mounting groove, and the electrode hole is a blind hole disposed in a bottom wall of the mounting groove; and the second end of the lead penetrates into the mounting groove from the bottom wall or the side wall of the mounting groove and then is bent to be arranged on the inner surface of the electrode hole.

4. The atomizer of claim 3, wherein said seal holder is provided with a through-hole communicating said mounting cavity with said mounting groove; the through hole and the electrode hole are arranged at intervals; and the second end of the lead wire penetrates through the through hole and then is bent to be arranged on the inner surface of the electrode hole.

5. The atomizer of claim 1, wherein a metal electrode is disposed on a position of said atomizing core away from said reservoir chamber for electrical connection with said electrode pin.

6. A nebulizer as claimed in claim 5, wherein the metal electrode is a silver electrode.

7. The atomizer of claim 5, wherein said electrode bore is configured such that said electrode needle, when inserted into said electrode bore, pierces a bottom wall of said electrode bore to electrically connect with said metal electrode.

8. The atomizer according to claim 1, wherein one end of the sealing seat is used for forming a bottom surface of the reservoir chamber, and the other end is used for sealing the accommodating chamber; the seal seat is integrally formed.

9. The nebulizer of any one of claims 1-8, wherein the atomizing core is at least partially disposed within the mounting chamber, the atomizing core comprising a liquid attracting surface and an atomizing surface, the liquid attracting surface in communication with the reservoir chamber.

10. The atomizer of any one of claims 1-8, wherein an air outlet and two lower liquid channels are formed at an end of said sealing seat adjacent to said reservoir chamber, and said two lower liquid channels are respectively disposed at two sides of said air outlet; one end of the lower liquid channel is communicated with the liquid storage cavity, and the other end of the lower liquid channel is communicated with the installation cavity.

11. The atomizer of claim 10, wherein the atomizing core comprises an atomizing surface and a liquid absorbing surface, an atomizing cavity is formed between the atomizing surface and the mounting cavity, and a communication hole is formed in a side wall of the mounting cavity and communicates the atomizing cavity with the air outlet.

12. The power supply assembly is characterized by comprising an electrode thimble, wherein the electrode thimble is in interference fit with an electrode hole in an atomizer so as to fix the atomizer with the power supply assembly.

13. An electronic atomization device, comprising:

an atomizer according to any one of claims 1 to 11;

a power supply component, the power supply component of claim 12;

the power supply assembly provides energy for the operation of the atomizer.

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