Atomizing core and electronic atomizing device

Abstract

The utility model discloses an atomization core and an electronic atomization device.The atomization core comprises a compact base body, the compact base body is provided with at least two independent containing cavities, and the containing cavities penetrate through the compact base body in the first direction; the at least two hard porous bodies are contained in the containing cavities in a one-to-one correspondence mode, and each hard porous body is provided with an atomizing face and a liquid suction face which are oppositely arranged in the first direction; the heating body, the compact matrix and the hard porous body are sintered into a whole; wherein an independent heating body is arranged on the atomizing surface of each hard porous body, or the heating body comprises at least two heating parts, and the heating parts are arranged on the atomizing surfaces of the hard porous bodies in a one-to-one correspondence mode. The atomizing core not only can meet the requirements of users for various tastes, but also simplifies related structures so as to reduce required parts, is beneficial to reducing the assembly difficulty so as to improve the production efficiency, and is also beneficial to reducing the production cost.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electronic atomization, in particular to an atomizing core and an electronic atomization device. BACKGROUND

[0002] As a substitute for traditional cigarettes, an electronic atomization device usually comprises a hollow shell, a power supply device and an atomizing core arranged inside the shell. The atomizing core usually comprises an oil guide body and a heating body. The power supply device is used to supply power to the heating body. The shell further comprises an atomization channel and a liquid storage cavity used to supply atomization liquid to the atomizing core. The oil guide body is used to guide the atomization liquid supplied by the liquid storage cavity to the heating body. The heating body is used to heat the atomization liquid supplied by the liquid storage cavity to form an aerosol that can be inhaled through the atomization channel. Compared with traditional cigarettes, the electronic atomization device has the advantages of no tar, no ash, and no open flame, and can effectively avoid the generation of various harmful substances in the case of traditional cigarettes being ignited.

[0003] In the related art, multiple atomizing cores or cartridges that are independent of each other are usually used to meet the needs of users for multiple flavors. However, when the above-mentioned method is used, a large number of components are required. On the one hand, a large number of components will lead to a large assembly difficulty, thereby reducing the production efficiency. On the other hand, a large number of components will lead to a high production cost. CONTENT OF THE UTILITY MODEL

[0004] The present application aims to at least solve one of the technical problems existing in the prior art. To this end, the present application provides an atomizing core and an electronic atomization device, which can not only meet the needs of users for multiple flavors, but also simplify the related structure to reduce the required components, thereby reducing the assembly difficulty and improving the production efficiency, and reducing the production cost.

[0005] According to the first aspect of the present application, the atomizing core comprises: a dense base body having at least two mutually independent accommodating cavities, the accommodating cavities penetrating through the dense base body along a first direction; at least two hard porous bodies, each of the hard porous bodies being accommodated in each of the accommodating cavities one by one, the hard porous body having an atomization surface and a liquid absorption surface oppositely arranged along the first direction; and a heating body, the heating body, the dense base body and the hard porous body being sintered into one body; wherein the atomization surface of each of the hard porous bodies is provided with an independent heating body, or the heating body comprises at least two heating portions, each of the heating portions being arranged on the atomization surface of each of the hard porous bodies one by one.

[0006] According to the atomization core provided in the embodiments of the present application, at least the following beneficial effects are achieved: during use, the liquid absorption surface of the hard porous body is used to absorb the atomization liquid and guide the absorbed atomization liquid to the atomization surface, and the heating body is used to heat the atomization liquid guided to the atomization surface of the hard porous body. In this way, by arranging at least two independent accommodating cavities on the dense base body, and arranging a hard porous body in each accommodating cavity, at least two independent atomization areas are formed in the same atomization core, so that different flavors of atomization liquid can be heated respectively. At this time, corresponding air flow channels and liquid storage cavities are arranged for each hard porous body, so that the demand of a user for multiple flavors can be met, that is, only one atomization core is needed to meet the demand of the user for multiple flavors. Compared with the mode of using multiple independent atomization cores or cartridges, the atomization core provided in the embodiments of the present application not only can meet the demand of the user for multiple flavors, but also simplifies the related structure to reduce the required parts, which is beneficial to reduce the assembly difficulty to improve the production efficiency, and is also beneficial to reduce the production cost.

[0007] According to some embodiments of the present application, the dense base body comprises two accommodating cavities arranged at intervals along a second direction, the second direction being perpendicular to the first direction, and a partition is formed between the two accommodating cavities, wherein:

[0008] The heating body comprises two electrode parts and two heating parts connected in series between the two electrode parts, the two heating parts being arranged one by one on the hard porous bodies in the two accommodating cavities, and a common electrode part being connected in series between the two heating parts, the common electrode part being arranged on the side of the partition close to the atomization surface; or,

[0009] The heating body comprises two common electrode parts and two heating parts connected in parallel between the two common electrode parts, the two common electrode parts being arranged on the side of the partition close to the atomization surface, and the two heating parts being arranged one by one on the hard porous bodies in the two accommodating cavities.

[0010] According to some embodiments of the present application, the dense base body is further provided with an air passage, the air passage penetrating through the dense base body along the first direction, and the dense base body having at least two accommodating cavities arranged at intervals around the air passage.

[0011] According to some embodiments of the present application, the dense base body has two accommodating cavities arranged at intervals around the air passage, and each hard porous body in each accommodating cavity is provided with an independent heating body.

[0012] According to some embodiments of the present application, the dense base body has at least three accommodating cavities arranged at intervals around the air passage, wherein:

[0013] The heating body includes two electrode portions and at least three heating portions connected in series between the two electrode portions, each of the heating portions is arranged on the hard porous body in the corresponding receiving cavity, a common electrode portion is connected in series between two adjacent heating portions, a separation portion is formed between two adjacent receiving cavities, and the common electrode portion is arranged across the corresponding separation portion close to the atomization surface; or,

[0014] Each hard porous body in the receiving cavity is provided with an independent heating body.

[0015] According to some embodiments of the present application, the side of the separation portion is provided with a protruding reinforcing portion, and the side of the corresponding hard porous body is provided with a groove matched with the reinforcing portion.

[0016] According to some embodiments of the present application, the receiving cavity includes a first receiving groove and a second receiving groove arranged along the first direction, the first receiving groove is located on the side of the second receiving groove close to the atomization surface, the cross-sectional dimension of the first receiving groove is greater than that of the second receiving groove, and the hard porous body is embedded in the first receiving groove and the second receiving groove.

[0017] According to some embodiments of the present application, the cross-sectional dimension of at least one of the first receiving groove and the second receiving groove close to the liquid absorption surface is greater than that of the end close to the atomization surface.

[0018] According to some embodiments of the present application, the side of the hard porous body is provided with a protruding portion, and the side wall of the first receiving groove or the second receiving groove is provided with a notch or a recess matched with the protruding portion for limiting.

[0019] The electronic atomization device according to the second aspect of the embodiments of the present application includes the atomization core according to the first aspect of the embodiments of the present application, wherein the electronic atomization device further includes at least two independent air flow channels and at least two independent liquid storage cavities, each air flow channel is connected to the atomization surface of the hard porous body in the corresponding receiving cavity, and each liquid storage cavity is connected to the liquid absorption surface of the hard porous body in the corresponding receiving cavity.

[0020] Additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter. BRIEF DESCRIPTION OF DRAWINGS

[0021] The above and / or additional aspects and advantages of the present application will become apparent and be readily appreciated from the following description, including the appended drawings, wherein:

[0022] Figure 1 is a structural schematic diagram of an atomizing core of a first embodiment of the present application;

[0023] Figure 2 is a structural schematic diagram of an atomizing core of a second embodiment of the present application; Figure 1 is an exploded schematic diagram of the structure shown in

[0024] Figure 3 is a structural schematic diagram of an atomizing core of a third embodiment of the present application;

[0025] Figure 4 is a structural schematic diagram of an atomizing core of a fourth embodiment of the present application;

[0026] Figure 5 is a structural schematic diagram of an atomizing core of a fifth embodiment of the present application; Figure 4 is an exploded schematic diagram of the structure shown in

[0027] Figure 6 is a structural schematic diagram of an atomizing core of a fifth embodiment of the present application;

[0028] Figure 7 is an exploded schematic diagram of the structure shown in Figure 6

[0029] is a structural schematic diagram of an atomizing core of a fifth embodiment of the present application; Figure 8

[0030] is an exploded schematic diagram of the structure shown in Figure 9 Figure 8

[0031] Reference Signs:

[0032] Atomizing surface a;

[0033] Compact substrate 100, accommodating cavity 110, first accommodating groove 111, second accommodating groove 112, notch 113, partition 120, reinforcing portion 121, air passage 130, support portion 140;

[0034] Hard porous body 200, groove 210, protruding portion 220, avoidance through hole 230;

[0035] Heating body 300, heating portion 310, electrode portion 320, common electrode portion 330. DETAILED DESCRIPTION

[0036] Embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the accompanying drawings are exemplary and are for the purpose of explanation of the present application, and cannot be understood as a limitation of the present application.

[0037] ​​In the description of the present application, it should be understood that, if the orientation description is involved, for example, the orientation or position relationship indicated by the upper, lower, front, back, left, right and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0038] In the description of the present application, if the words such as several, more than, less than, exceed, above, below, within and the like appear, the meaning of several is one or more, the meaning of more than is two or more, more than, less than, exceed and the like are understood as not including the number, above, below, within and the like are understood as including the number.

[0039] In the description of the present application, if the words such as first, second and the like appear, they are only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0040] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting and the like should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical scheme.

[0041] Reference Figures 1 to 9 According to the atomizing core of the embodiments of the present application, the atomizing core comprises a dense base 100, a hard porous body 200 and a heating body 300.

[0042] Specifically, the dense base 100 has at least two mutually independent accommodating cavities 110, the accommodating cavities 110 penetrate through the dense base 100 along a first direction, the hard porous body 200 is provided with at least two, each hard porous body 200 is correspondingly accommodated in each accommodating cavity 110, the hard porous body 200 has an atomizing surface a and a liquid absorbing surface which are oppositely arranged along the first direction, the heating body 300, the dense base 100 and the hard porous body 200 are sintered into one body, wherein the atomizing surface a of each hard porous body 200 is provided with an independent heating body 300, or the heating body 300 comprises at least two heating portions 310, each heating portion 310 is correspondingly arranged on the atomizing surface a of each hard porous body 200.

[0043] In use, the liquid absorbing surface of the rigid porous body 200 is used to absorb the atomized liquid and guide the absorbed atomized liquid to the atomizing surface a, and the heating body 300 is used to heat the atomized liquid atomized to the atomizing surface a of the rigid porous body 200. Wherein, by arranging at least two mutually independent accommodating cavities 110 on the dense base body 100, each accommodating cavity 110 is provided with a rigid porous body 200, so that the same atomizing core forms at least two mutually independent atomizing areas, so that different flavors of atomized liquid can be heated respectively. At this time, corresponding air flow channels and liquid storage cavities are arranged corresponding to each rigid porous body 200, which can meet the needs of users for multiple flavors, that is, only one atomizing core needs to be arranged to meet the needs of users for multiple flavors. Compared with the way of using multiple mutually independent atomizing cores or cartridges, the atomizing core of the embodiment of the application not only can meet the needs of users for multiple flavors, but also simplifies the related structure to reduce the required parts, which is beneficial to reduce the assembly difficulty to improve the production efficiency, and at the same time is beneficial to reduce the production cost.

[0044] It should be noted that the first direction is the X direction in the drawings.

[0045] In some embodiments, the dense base body 100 is made of dense ceramic, and the rigid porous body 200 is made of porous ceramic.

[0046] Referring to Figure 1 and Figure 2 In some embodiments, the dense base body 100 includes two accommodating cavities 110 arranged at intervals along a second direction, the second direction being perpendicular to the first direction, and a partition 120 is formed between the two accommodating cavities 110, wherein the heating body 300 includes two electrode parts 320 and two heating parts 310 connected in series between the two electrode parts 320, the two heating parts 310 are arranged one by one on the rigid porous bodies 200 in the two accommodating cavities 110, and a common electrode part 330 is connected in series between the two heating parts 310, and the common electrode part 330 is arranged on the side of the partition 120 close to the atomizing surface a of the rigid porous body 200.

[0047] Referring to Figure 3 In some other embodiments, the dense base body 100 includes two accommodating cavities 110 arranged at intervals along a second direction, the second direction being perpendicular to the first direction, and a partition 120 is formed between the two accommodating cavities 110, wherein the heating body 300 includes two common electrode parts 330 and two heating parts 310 connected in parallel between the two common electrode parts 330, the two common electrode parts 330 are arranged on the side of the partition 120 close to the atomizing surface a of the rigid porous body 200, and the two heating parts 310 are arranged one by one on the rigid porous bodies 200 in the two accommodating cavities 110.

[0048] It should be noted that the second direction is the Y direction in the drawings.

[0049] With reference to Figures 4 to 9 In some embodiments, the compact substrate 100 is further provided with an air passage 130 penetrating through the compact substrate 100 along the first direction, and the compact substrate 100 has at least two accommodating cavities 110 spaced around the air passage 130 to accommodate the airflow passing through the electronic atomization device.

[0050] With reference to Figure 4 And Figure 5 In some embodiments, the compact substrate 100 has two accommodating cavities 110 spaced around the air passage 130, and each hard porous body 200 in each accommodating cavity 110 is provided with an independent heating body 300.

[0051] With reference to Figure 6 And Figure 7 In some embodiments, the compact substrate 100 has at least three accommodating cavities 110 spaced around the air passage 130, and the heating body 300 includes two electrode portions 320 and at least three heating portions 310 connected in series between the two electrode portions 320, each heating portion 310 is arranged on the hard porous body 200 in the corresponding accommodating cavity 110, and a common electrode portion 330 is connected in series between two adjacent heating portions 310, a partition portion 120 is formed between two adjacent accommodating cavities 110, and the common electrode portion 330 is arranged on the side of the corresponding partition portion 120 close to the atomization surface a of the hard porous body 200.

[0052] With reference to Figure 8 And Figure 9 In some other embodiments, the compact substrate 100 has at least three accommodating cavities 110 spaced around the air passage 130, and each hard porous body 200 in each accommodating cavity 110 is provided with an independent heating body 300.

[0053] With reference to Figure 2 And Figure 7 In some embodiments, the side of the partition portion 120 is provided with a protruding reinforcing portion 121, and the side of the corresponding hard porous body 200 is provided with a groove 210 matched with the reinforcing portion 121. On the one hand, the reinforcing portion 121 can enhance the structural strength of the partition portion 120, thereby facilitating to improve the stability and reliability of the structure; on the other hand, the reinforcing portion 121 can be matched with the groove 210 to improve the bonding strength between the hard porous body 200 and the compact substrate 100, thereby facilitating to prevent the hard porous body 200 from being separated from the compact substrate 100, and further facilitating to improve the stability and reliability of the structure.

[0054] With reference toFigure 2 、 Figure 5 、 Figure 7 and Figure 9 In some embodiments, the accommodating cavity 110 comprises a first accommodating groove 111 and a second accommodating groove 112 arranged along the first direction, the first accommodating groove 111 is located at a side of the second accommodating groove 112 close to the atomization surface a of the hard porous body 200, that is, the first accommodating groove 111 is closer to the atomization surface a of the hard porous body 200 than the second accommodating groove 112, the cross-sectional size of the first accommodating groove 111 is larger than that of the second accommodating groove 112, and the hard porous body 200 is embedded in the first accommodating groove 111 and the second accommodating groove 112. By embedding the hard porous body 200 in the first accommodating groove 111 and the second accommodating groove 112 with different cross-sectional sizes, the bonding strength between the hard porous body 200 and the dense substrate 100 is improved, thereby preventing the hard porous body 200 from separating from the dense substrate 100. In addition, the cross-sectional size of the first accommodating groove 111 is larger than that of the second accommodating groove 112, which is beneficial to increasing the area of the atomization surface a of the hard porous body 200, thereby improving the atomization efficiency of the atomized liquid.

[0055] In some embodiments, the cross-sectional size of the end of the second accommodating groove 112 close to the liquid suction surface is larger than that of the end of the second accommodating groove 112 close to the atomization surface a of the hard porous body 200, so as to limit the hard porous body 200 from separating from the dense substrate 100, thereby improving the stability and reliability of the structure.

[0056] Specifically, at least part of the groove wall of the second accommodating groove 112 is inclined to form a limiting inclined surface, so that the cross-sectional size of the end of the second accommodating groove 112 close to the liquid suction surface is larger than that of the end of the second accommodating groove 112 close to the atomization surface a of the hard porous body 200.

[0057] It should be noted that in some other embodiments, a protruding limiting structure can also be arranged on the groove wall of the second accommodating groove 112 to make the cross-sectional size of the end of the second accommodating groove 112 close to the liquid suction surface larger than that of the end of the second accommodating groove 112 close to the atomization surface a of the hard porous body 200, which is not limited herein.

[0058] It should be noted that in some other embodiments, the cross-sectional size of the end of the first accommodating groove 111 close to the liquid suction surface can also be larger than that of the end of the first accommodating groove 111 close to the atomization surface a of the hard porous body 200 to limit the hard porous body 200 from separating from the dense substrate 100, which is not limited herein.

[0059] It should be noted that in some other embodiments, the cross-sectional dimension of the second accommodating groove 112 near the liquid suction surface can be greater than that of the first accommodating groove 111 near the liquid suction surface, and the cross-sectional dimension of the first accommodating groove 111 near the atomization surface a of the hard porous body 200 can be greater than that of the second accommodating groove 112 near the atomization surface a of the hard porous body 200, so as to limit the hard porous body 200 from being separated from the dense base 100, which is not limited herein.

[0060] With reference to Figure 1 , Figure 2 , Figure 4 and Figure 5 , in some embodiments, the side of the hard porous body 200 is provided with a protrusion 220, and the side wall of the first accommodating groove 111 or the second accommodating groove 112 is provided with a notch 113 matched with the protrusion 220 for limiting, which is beneficial to improve the bonding strength between the hard porous body 200 and the dense base 100, so as to prevent the hard porous body 200 from being separated from the dense base 100, thereby improving the stability and reliability of the structure. In addition, when the hard porous body 200 is sintered, the notch 113 is beneficial to reduce the narrow slurry filling area, thereby improving the flowability of the slurry, and further reducing the difficulty of filling the slurry.

[0061] It should be noted that in some other embodiments, the notch 113 described above can be replaced by a recess, which is not limited herein.

[0062] With reference to Figure 2 , Figure 5 , Figure 7 and Figure 9 , in some embodiments, the dense base 100 is provided with a supporting portion 140 for supporting the electrode portion 320, which is beneficial to prevent the hard porous body 200 from being cracked due to the force applied by the electrode thimble to the electrode portion 320, and based on this, the electrode thimble can apply sufficient force to reduce the poor contact between the electrode thimble and the electrode portion 320 when the product is assembled.

[0063] Specifically, the supporting portion 140 is a protruding structure, and the hard porous body 200 is provided with an avoiding through hole 230 for penetrating the supporting portion 140, and the supporting portion 140 penetrates into the avoiding through hole 230, which is beneficial to improve the bonding strength between the hard porous body 200 and the dense base 100, so as to prevent the hard porous body 200 from being separated from the dense base 100, thereby improving the stability and reliability of the structure.

[0064] With reference to Figure 2 , Figure 5 , Figure 7 and Figure 9In some embodiments, the support portion 140 is arranged on the bottom wall of the second accommodating groove 112.

[0065] It should be noted that in some other embodiments, the support portion 140 can also be arranged at the edge of the accommodating cavity 110, which is not limited herein. At this time, the hard porous body 200 has a portion extending to the support portion 140 and used for penetrating the support portion 140.

[0066] The electronic atomization device according to the embodiments of the present application comprises the atomization core described above, wherein the electronic atomization device further comprises at least two independent air flow channels and at least two independent liquid storage cavities, each air flow channel is in one-to-one correspondence with the atomization surface a of the hard porous body 200 in each accommodating cavity 110, and each liquid storage cavity is in one-to-one correspondence with the liquid absorption surface of the hard porous body 200 in each accommodating cavity 110.

[0067] It can be understood that, since the electronic atomization device according to the embodiments of the present application comprises the atomization core described above, the electronic atomization device according to the embodiments of the present application has all the technical effects of the atomization core described above.

[0068] In the description of the present specification, if the description involves the description of the terms such as “one embodiment”, “some embodiments”, “exemplary embodiment”, “example”, “specific example” and “some examples”, it means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0069] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. An atomizing core, characterized in that, include: A dense matrix having at least two independent receiving cavities, the receiving cavities penetrating the dense matrix along a first direction; At least two rigid porous bodies are disposed in corresponding cavities, each rigid porous body having an atomizing surface and a liquid-absorbing surface disposed opposite to each other along the first direction; and The heating element, the dense matrix, and the rigid porous body are sintered together as one unit; Each of the rigid porous bodies has an independent heating element on its atomizing surface, or the heating element includes at least two heating parts, with each heating part correspondingly disposed on the atomizing surface of each rigid porous body.

2. The atomizing core as described in claim 1, characterized in that, The dense matrix includes two receiving cavities spaced apart along a second direction, which is perpendicular to the first direction, and a partition is formed between the two receiving cavities, wherein: The heating element includes two electrode portions and two heating portions connected in series between the two electrode portions. The two heating portions are disposed one-to-one on the rigid porous body within the two receiving cavities. A common electrode portion is connected in series between the two heating portions, and the common electrode portion spans across the partition portion on the side near the atomizing surface; or... The heating element includes two common electrode portions and two heating portions connected in parallel between the two common electrode portions. The two common electrode portions are each disposed across the side of the partition portion near the atomizing surface. The two heating portions are disposed one-to-one on the rigid porous body within the two receiving cavities.

3. The atomizing core as described in claim 1, characterized in that, The dense matrix is ​​further provided with a ventilation channel that penetrates the dense matrix along the first direction, and the dense matrix has at least two receiving cavities spaced apart around the ventilation channel.

4. The atomizing core as described in claim 3, characterized in that, The dense matrix has two accommodating cavities spaced apart around the air passage, and each accommodating cavity has an independent heating element disposed on the rigid porous body.

5. The atomizing core as described in claim 3, characterized in that, The dense matrix has at least three accommodating cavities spaced apart around the ventilation channel, wherein: The heating element includes two electrode portions and at least three heating portions connected in series between the two electrode portions. Each heating portion is disposed on the rigid porous body within each of the receiving cavities. A common electrode portion is connected in series between adjacent heating portions, and a partition portion is formed between adjacent receiving cavities. The common electrode portion is positioned across the corresponding partition portion on the side closest to the atomizing surface; or... Each of the rigid porous bodies within the accommodating cavity is provided with an independent heating element.

6. The atomizing core as described in claim 2 or 5, characterized in that, The side of the partition is provided with a raised reinforcing part, and the corresponding side of the rigid porous body is provided with a groove that matches the reinforcing part.

7. The atomizing core according to any one of claims 1 to 5, characterized in that, The receiving cavity includes a first receiving groove and a second receiving groove arranged along the first direction. The first receiving groove is located on the side of the second receiving groove near the atomizing surface. The cross-sectional dimension of the first receiving groove is larger than that of the second receiving groove. The rigid porous body is embedded in the first receiving groove and the second receiving groove.

8. The atomizing core as described in claim 7, characterized in that, In the first and second receiving tanks, the cross-sectional dimension of at least one of them near the liquid absorption surface is larger than the cross-sectional dimension of its end near the atomizing surface.

9. The atomizing core as described in claim 7, characterized in that, The rigid porous body has a protrusion on its side, and the sidewall of the first or second receiving groove has a notch or recess that cooperates with and limits the protrusion.

10. An electronic atomizing device, characterized in that, The device includes the atomizing core as described in any one of claims 1 to 9, wherein the electronic atomizing device further includes at least two independent airflow channels and at least two independent liquid storage chambers, each of the airflow channels being connected to the atomizing surface of the rigid porous body in each of the receiving chambers, and each of the liquid storage chambers being connected to the liquid absorption surface of the rigid porous body in each of the receiving chambers.

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