Atomiser and electronic atomising device

Abstract

The utility model discloses an atomizer and electronic atomization device. The atomizer comprises a first liquid storage cavity, an atomization seat and an atomization core. The first liquid storage cavity is used for storing an atomization substrate. The atomization seat is provided with a second liquid storage cavity and at least one back suction channel. The first liquid storage cavity and the second liquid storage cavity are respectively in fluid communication with the back suction channel. The atomization core is arranged in the atomization seat and is in fluid communication with the first liquid storage cavity. The first liquid storage cavity and the second liquid storage cavity are in fluid communication through the back suction channel. When the internal pressure of the first liquid storage cavity increases, the atomization substrate in the first liquid storage cavity flows to the second liquid storage cavity for temporary storage through the back suction channel, preventing the atomizer from leaking liquid outward. When the internal pressure of the first liquid storage cavity decreases, the atomization substrate temporarily stored in the second liquid storage cavity can be back suctioned into the first liquid storage cavity through the back suction channel, thereby achieving the effects of preventing liquid leakage and improving the utilization rate of the atomization substrate.

Description

Technical Field

[0001] This utility model relates to the field of atomization technology, and in particular to an atomizer and an electronic atomization device. Background Technology

[0002] An atomizer is a device that atomizes a matrix into an aerosol. The core component of an atomizer is the atomizing coil. The atomizing coil receives the matrix from the reservoir and heats it to atomize it into an aerosol. During use, changes in ambient temperature or pressure can cause an imbalance in pressure inside and outside the reservoir, leading to leakage of the atomized matrix. A common solution to prevent leakage is to add a reservoir cotton to absorb the leaking liquid. However, this increases the atomizer's size; furthermore, the absorbed liquid cannot be reused, reducing the utilization rate of the atomized matrix and decreasing the effective usage for the user. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide an improved atomizer and electronic atomization device, addressing at least one deficiency mentioned in the background art.

[0004] The technical solution adopted by this utility model to solve its technical problem is: to provide an atomizer, which includes a first liquid storage chamber, an atomizing seat and an atomizing core;

[0005] The first liquid storage chamber is used to store the atomized matrix;

[0006] The atomizing base is provided with a second liquid storage chamber and at least one back suction channel, and the first liquid storage chamber and the second liquid storage chamber are respectively in fluid communication with the back suction channel;

[0007] The atomizing core is disposed in the atomizing seat and is in fluid communication with the first liquid storage chamber, for heating and atomizing the atomizing matrix to generate an aerosol.

[0008] In some embodiments, the atomizing seat includes a first atomizing seat and a second atomizing seat connected to each other, the backflow channel is at least partially disposed in the first atomizing seat, the atomizing core is installed in the first atomizing seat, and the second liquid storage chamber is formed in the second atomizing seat.

[0009] In some embodiments, the atomizer further includes a back-suction tube, which passes through the atomizing seat and extends into the second liquid storage chamber, and the lumen of the back-suction tube forms the back-suction channel.

[0010] In some embodiments, a gap is formed between the end of the back suction tube that extends into the second liquid storage chamber and the bottom surface of the second liquid storage chamber, and the back suction channel is in fluid communication with the second liquid storage chamber through the gap;

[0011] Alternatively, the end of the back suction tube that extends into the second liquid storage chamber may have a liquid guiding hole that penetrates the tube wall, and the back suction channel may be in fluid communication with the second liquid storage chamber through the liquid guiding hole.

[0012] In some embodiments, a limiting groove is formed in the second liquid storage chamber, and one end of the back suction pipe near the second liquid storage chamber extends into the limiting groove.

[0013] In some embodiments, the backflow channel is at least partially formed in the first atomizing seat.

[0014] In some embodiments, the first atomizing seat is provided with an atomizing chamber and a mounting hole, the atomizing core is embedded in the mounting hole for fixation, the mounting hole and the atomizing chamber are in fluid communication, and the atomizing chamber and the second liquid storage chamber are in fluid communication.

[0015] In some embodiments, the first atomizing seat is formed with a first liquid guiding microgroove, which is in fluid communication with the mounting hole and the second liquid storage chamber.

[0016] In some embodiments, the atomizer further includes a housing connected to the first atomizing seat, the housing and the first atomizing seat together defining the first liquid storage chamber.

[0017] This utility model also provides an electronic atomizing device, which includes a battery assembly and an atomizer as described in any of the above, wherein the battery assembly and the atomizer are connected.

[0018] This invention has at least the following beneficial effects: the first liquid storage chamber and the second liquid storage chamber are fluidly connected through a back suction channel. When the internal pressure of the first liquid storage chamber increases, the atomizing matrix in the first liquid storage chamber flows to the second liquid storage chamber through the back suction channel for temporary storage, preventing the atomizer from leaking out. When the internal pressure of the first liquid storage chamber decreases, the atomizing matrix temporarily stored in the second liquid storage chamber can be drawn back into the first liquid storage chamber through the back suction channel, thereby simultaneously achieving the effects of preventing leakage and improving the utilization rate of the atomizing matrix. Attached Figure Description

[0019] To more clearly illustrate the technical solution of this utility model, the following will further describe this utility model in conjunction with the accompanying drawings and embodiments. In the drawings:

[0020] Figure 1 This is a schematic diagram of the electronic atomizing device in some embodiments of this utility model;

[0021] Figure 2 This is a schematic diagram of the atomizer assembly in some embodiments of the present invention;

[0022] Figure 3yes Figure 2 A top view of the atomizer assembly shown.

[0023] Figure 4 yes Figure 3 The atomizer assembly shown is a cross-sectional view along the AA direction;

[0024] Figure 5 This is an exploded structural diagram of the atomizer of the atomizer assembly in some embodiments of this utility model;

[0025] Figure 6 yes Figure 5 A further breakdown diagram;

[0026] Figure 7 This is an exploded structural diagram of the second atomizing seat and the back suction tube of the atomizer in some embodiments of this utility model;

[0027] Figure 8 This is a flowchart illustrating the atomization matrix reabsorption process of the atomizer in some embodiments of this utility model when the ambient temperature changes.

[0028] Figure 9 This is a flowchart illustrating the atomization matrix reabsorption process of the atomizer in some embodiments of this utility model when the external environmental pressure changes.

[0029] Figure 10 yes Figure 5 The diagram shows a vertical cross-sectional view of the components of the atomizer, with the housing concealed.

[0030] Figure 11 This is a schematic diagram of the atomizer structure according to the second embodiment of the present invention regarding the back-suction channel;

[0031] Figure 12 This is a schematic diagram of the atomizer structure according to the third embodiment of the present invention regarding the back-suction channel;

[0032] Figure 13 This is a three-dimensional structural schematic diagram of the first atomizing seat of the atomizer in some embodiments of this utility model;

[0033] Figure 14 This is a schematic diagram of the vertical cross-sectional structure of the atomizer in some embodiments of this utility model;

[0034] Figure 15 yes Figure 3 The atomizer assembly shown is a cross-sectional view along the BB direction;

[0035] Figure 16 This is a schematic diagram of the structure of an atomizer assembly in some embodiments when the atomizer and the liquid storage unit are separated. Detailed Implementation

[0036] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model are now described in detail with reference to the accompanying drawings. In the following description, it should be understood that, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "joining," "fixing," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; a mechanical connection or an electrical connection; a direct connection or an indirect connection through an intermediate medium; or a connection within two elements or an interaction between two elements. When an element is referred to as being "on" or "below" another element, the element can be located "directly" or "indirectly" on the other element, or there may be one or more intermediary elements. The terms "first," "second," and "third," etc., are used only for the convenience of describing this technical solution and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first," "second," "third," etc., may explicitly or implicitly include one or more of that feature. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0037] Please see Figure 1 The illustration shows an electronic atomizing device according to some embodiments of the present invention, which includes a battery assembly 4 and an atomizer. The battery assembly 4 is connected to the atomizer to provide power to the atomizer. When powered on, the atomizer heats the atomizing matrix (e.g., a liquid atomizing matrix) to generate an aerosol for the user to inhale.

[0038] Please see Figures 2 to 7 This diagram illustrates an atomizer according to some embodiments of the present invention, comprising a first liquid storage chamber 10, an atomizing base 2, and an atomizing core 3. The atomizing core 3 is disposed within the atomizing base 2 and is in fluid communication with the first liquid storage chamber 10. The first liquid storage chamber 10 stores the atomizing matrix, which serves as the direct source of the atomizing matrix required by the atomizing core 3. A battery assembly 4 is connected to the atomizing core 3 to provide power to it. Under energized conditions, the atomizing core 3 heats the atomizing matrix (e.g., a liquid atomizing matrix) to generate an aerosol for the user to inhale. The atomizing base 2 is provided with a second liquid storage chamber 20 and at least one backflow channel 23. That is, the number of backflow channels 23 can be one or more. The first liquid storage chamber 10 and the second liquid storage chamber 20 are respectively in fluid communication with the backflow channels 23. In other words, the first liquid storage chamber 10 and the second liquid storage chamber 20 are in fluid communication through the backflow channels 23.

[0039] Please see Figure 8Under conditions such as day-night cycles, the ambient temperature around the atomizer will change. When the ambient temperature rises, the air in the first liquid storage chamber 10 expands due to heat, increasing the pressure and forcing the atomizing matrix in the first liquid storage chamber 10 to flow through the back suction channel 23 to the second liquid storage chamber 20 for temporary storage. After the atomizing matrix in the first liquid storage chamber 10 flows to the second liquid storage chamber 20 through the back suction channel 23, the pressure in the first liquid storage chamber 10 drops, and the pressure between the first liquid storage chamber 10 and the second liquid storage chamber 20 reaches a new equilibrium. Since the second liquid storage chamber 20 is sealed, liquid will not leak to the outside of the atomizer, thus avoiding the risk of liquid leakage. When the ambient temperature decreases, the pressure inside the first liquid storage chamber 10 continues to drop. The resistance of the atomizing matrix temporarily stored in the second liquid storage chamber 20 entering the first liquid storage chamber 10 through the atomizing core 3 is much greater than the resistance of the atomizing matrix temporarily stored in the second liquid storage chamber 20 entering the first liquid storage chamber 10 through the back suction channel 23. At this time, the atomizing matrix temporarily stored in the second liquid storage chamber 20 can be drawn back into the first liquid storage chamber 10 through the back suction channel 23, thereby simultaneously achieving the effects of preventing leakage and improving the utilization rate of the atomizing matrix.

[0040] Alternatively, please see Figure 9 During the atomizer's flight transport, the atmospheric pressure of the external environment changes. When the external atmospheric pressure decreases, the pressure inside the first liquid storage chamber 10 is greater than the external atmospheric pressure, forcing the atomizing matrix inside the first liquid storage chamber 10 to flow through the back suction channel 23 to the second liquid storage chamber 20 for temporary storage until the pressure inside the first liquid storage chamber 10 reaches equilibrium with the external pressure. When the external atmospheric pressure rises, the pressure inside the first liquid storage chamber 10 is less than the external atmospheric pressure. At this time, the atomizing matrix temporarily stored in the second liquid storage chamber 20 can be drawn back into the first liquid storage chamber 10 through the back suction channel 23, thereby simultaneously achieving the effects of preventing leakage and improving the utilization rate of the atomizing matrix.

[0041] Alternatively, during normal use of the atomizer, the liquid in the first reservoir 10 is gradually consumed, which will cause the pressure in the first reservoir 10 to decrease. At this time, the atomizing matrix temporarily stored in the second reservoir 20 can also be drawn back into the first reservoir 10 through the back suction channel 23.

[0042] In summary, the present invention has at least the following beneficial effects: the first liquid storage chamber 10 and the second liquid storage chamber 20 are fluidly connected through the back suction channel 23. When the internal pressure of the first liquid storage chamber 10 increases, the atomizing matrix in the first liquid storage chamber 10 flows to the second liquid storage chamber 20 through the back suction channel 23 for temporary storage, preventing the atomizer from leaking out. When the internal pressure of the first liquid storage chamber 10 decreases, the atomizing matrix temporarily stored in the second liquid storage chamber 20 can be drawn back into the first liquid storage chamber 10 through the back suction channel 23, thereby simultaneously achieving the effects of preventing leakage and improving the utilization rate of the atomizing matrix.

[0043] Please see Figures 4 to 7 In some embodiments, the atomizing base 2 includes a first atomizing base 21 and a second atomizing base 22 connected to each other. The atomizing core 3 is installed in the first atomizing base 21. The backflow channel 23 is at least partially disposed in the first atomizing base 21. That is, in one embodiment, the backflow channel 23 is entirely disposed in the first atomizing base 21. In another embodiment, a portion of the backflow channel 23 is disposed in the first atomizing base 21, and another portion is disposed in the second atomizing base 22. The second liquid storage chamber 20 is formed in the second atomizing base 22. Specifically, the second atomizing base 22 and the first atomizing base 21 are fastened together. The first atomizing base 21 is provided with a first latching portion, and the second atomizing base 22 is provided with a second latching portion. The first latching portion is one of a protrusion and a groove, and the second latching portion is the other of a protrusion and a groove. The second atomizing base 22 and the first atomizing base 21 are fastened together by the engagement of the protrusion and the groove. This facilitates the assembly and disassembly of the first atomizer base 21, the atomizer core 3, and the second atomizer base 22. Furthermore, in some embodiments, the first latching part may be located on the side of the first atomizer base 21, and the second latching part may be located on the side of the second atomizer base 22.

[0044] Please see Figure 6 , Figure 7 and Figure 10 In a first embodiment regarding the backflow channel 23, the atomizer further includes a backflow tube 5. The backflow tube 5 passes through the atomizing seat 2 and extends into the second liquid storage chamber 20. The lumen of the backflow tube 5 forms the backflow channel 23. Further, in this embodiment, the backflow tube 5 can be a component independent of the first atomizing seat 21 and the second atomizing seat 22. The first atomizing seat 21 can be provided with a first channel 215 penetrating the first atomizing seat 21, and the backflow tube 5 passes through the first channel 215, with one end of the backflow tube 5 near the second liquid storage chamber 20 extending into the second liquid storage chamber 20. That is, in this embodiment, a portion of the backflow channel 23 passes through the first atomizing seat 21, and another portion extends into the second atomizing seat 22. Specifically, the first atomizing seat 21 has a first surface 213 facing the first liquid storage chamber 10 and a second surface 214 facing the second atomizing seat 22, and the first channel 215 penetrates the first surface 213 and the second surface 214. Furthermore, the wall of the suction pipe 5 and the first channel 215 can be an interference fit or a tight fit, so that the section of the suction pipe 5 located in the first channel 215 is limited and fixed.

[0045] Please see Figure 10In the first embodiment of the back suction channel 23, a gap 11 is formed between the end of the back suction tube 5 extending into the second liquid storage chamber 20 and the bottom surface of the second liquid storage chamber 20. The back suction channel 23 is in fluid communication with the second liquid storage chamber 20 through this gap 11. Specifically, a boss 12 is provided in the second liquid storage chamber 20, which protrudes upward from the bottom surface of the second liquid storage chamber 20. The end of the back suction tube 5 extending into the second liquid storage chamber 20 abuts against the boss 12. Thus, the end of the back suction tube 5 extending into the second liquid storage chamber 20 is limited and fixed by the boss 12, maintaining a gap between the end of the back suction tube 5 extending into the second liquid storage chamber 20 and the bottom surface of the second liquid storage chamber 20.

[0046] Alternatively, in some embodiments, the end of the back suction pipe 5 that extends into the second liquid storage chamber 20 has a liquid guiding hole (not shown) that penetrates the pipe wall, and the back suction channel 23 is in fluid communication with the second liquid storage chamber 20 through the liquid guiding hole. In this case, the end of the back suction pipe 5 that extends into the second liquid storage chamber 20 can directly abut against the bottom surface of the second liquid storage chamber 20.

[0047] Please see Figure 7 In the first embodiment of the back suction channel 23, a limiting groove 221 is also formed within the second liquid storage chamber 20, and one end of the back suction pipe 5 near the second liquid storage chamber 20 extends into the limiting groove 221. Specifically, the limiting groove 221 can be an arc-shaped groove or a circular groove. The size and shape of the limiting groove 221 are adapted to the back suction pipe 5. Further, the pipe wall of the back suction pipe 5 and the limiting groove 221 can be an interference fit or a tight fit, so that the section of the back suction pipe 5 located within the second liquid storage chamber 20 is limited and fixed. Figure 7 In the embodiment shown, the inner side of the second atomizing seat 22 is recessed to form a limiting groove 221.

[0048] In some other embodiments of the backflow channel 23, unlike the first embodiment, the backflow channel 23 may be at least partially formed in the first atomizing seat 21. That is, a channel is formed inside the first atomizing seat 21, which constitutes the entire backflow channel 23; or the channel constitutes a part of the backflow channel 23, and another part of the backflow channel 23 is disposed in the second atomizing seat 22.

[0049] Please see Figure 11In a second embodiment of the backflow channel 23, the first atomizing seat 21 includes a seat body 212 and a first liquid guiding portion 211. The seat body 212 and the first liquid guiding portion 211 are integrally formed. The atomizing core 3 is installed in the seat body 212. The seat body 212 and the second atomizing seat 22 are fastened together. The seat body 212 has a first surface 213 facing the first liquid storage chamber 10 and a second surface 214 facing the second atomizing seat 22. The first liquid guiding portion 211 is an elongated tube, connected to the second surface 214 of the seat body 212, and extends into the second liquid storage chamber 20. The seat body 212 is provided with a second channel 216, one end of which communicates with the first liquid storage chamber 10, and the other end of which communicates with the cavity formed by the first liquid guiding portion 211. Thus, the second channel 216 and the cavity of the first liquid guiding portion 211 together form the backflow channel 23. The configuration of the first liquid guiding section 211 can be referenced to the configuration of the pipe section of the back suction pipe 5 extending into the second liquid storage chamber 20 in the first embodiment.

[0050] Please see Figure 12 In a third embodiment of the backflow channel 23, a second liquid guiding portion 222 is formed within the second liquid storage chamber 20. One end of the second liquid guiding portion 222 is connected to the bottom surface of the second liquid storage chamber 20; the other end of the second liquid guiding portion 222 extends toward the first atomizing seat 21. The second liquid guiding portion 222 and the second atomizing seat 22 are integrally formed. The second liquid guiding portion 222 is elongated and tubular. The cavity formed by the second liquid guiding portion 222 communicates with the first channel 215 on the first atomizing seat 21. Specifically, the second liquid guiding portion 222 may partially extend into the first channel 215; or, the second liquid guiding portion 222 may only abut against the second surface 214 without extending into the first channel 215. Thus, the cavity of the first channel 215 and the second liquid guiding portion 222 together form the backflow channel 23.

[0051] In some other embodiments regarding the backflow channel 23, a tortuous channel may be formed inside at least one of the first atomizing seat 21 and the second atomizing seat 22, and this tortuous channel serves as the backflow channel 23. This tortuous channel may be formed by at least one of the first atomizing seat 21 and the second atomizing seat 22 itself during the forming process, or it may be a channel formed by other components independent of the first atomizing seat 21 and the second atomizing seat 22.

[0052] Please see Figure 13In some embodiments, the first atomizing base 21 is provided with an atomizing chamber 217 and a mounting hole 218. The atomizing core 3 is embedded in the mounting hole 218 for fixation. The mounting hole 218 and the atomizing chamber 217 are in fluid communication. The atomizing chamber 217 and the second liquid storage chamber 20 are in fluid communication. Thus, the mounting hole 218, the atomizing chamber 217, and the second liquid storage chamber 20 are sequentially connected. The first liquid storage chamber 10 and the atomizing core 3 are in fluid communication. Under normal circumstances, the atomizing core 3 has a balanced liquid absorption and liquid retention capacity. The liquid in the first liquid storage chamber 10 gradually permeates into the atomizing core 3, and the atomizing core 3 heats and atomizes the atomizing matrix to generate an aerosol. The aerosol diffuses in the atomizing chamber 217 and eventually enters the user's mouth. When the temperature or pressure of the external environment changes, the liquid in the atomizing core 3 may also be squeezed out of the atomizing core 3, causing leakage. The leakage from the atomizing core 3 can flow through the atomizing chamber 217 to the second liquid storage chamber 20 for temporary storage.

[0053] Specifically, such as Figure 14 As shown, in some embodiments, the atomizing core 3 includes a liquid guide 31 and a heating element 32. The liquid guide 31 may be made of a fibrous material. The liquid guide 31 has both liquid absorption and liquid retention capabilities. The liquid guide 31 includes an atomizing surface 312 and a liquid inlet surface 311, and the heating element 32 is disposed on the atomizing surface 312. The heating element 32 may be attached to the surface of the atomizing surface 312 or partially embedded in the liquid guide 31. The heating element 32 is connected to the battery assembly 4, and under energized conditions, heats the liquid atomizing matrix to generate an aerosol. The atomizing matrix in the first liquid storage chamber 10 gradually permeates from the liquid inlet surface 311 to the atomizing surface 312, and is heated and atomized to generate an aerosol after contacting the heating element 32. The atomizing surface 312 is positioned facing the atomizing chamber 217. When the temperature or pressure of the external environment changes, the atomizing matrix in the liquid guide 31 seeps out from the atomizing surface 312, and the seeped atomizing matrix falls into the second liquid storage chamber 20 after passing through the atomizing chamber 217.

[0054] Please see Figure 13 and Figure 14 In some embodiments, the first atomizing seat 21 has a first liquid-guiding microgroove 24, which is in fluid communication with the mounting hole 218 and the second liquid storage chamber 20. Specifically, the first liquid-guiding microgroove 24 is at least partially formed on the second surface 214. In this embodiment, the liquid collected in the second liquid storage chamber 20 can also be guided back to the mounting hole 218 by the first liquid-guiding microgroove 24 and reabsorbed by the liquid-guiding 31 of the atomizing core 3, thus further improving the utilization rate of the atomizing matrix. Specifically, the first liquid-guiding microgroove 24 is a very narrow channel, and the width of the first liquid-guiding microgroove 24 can be 0.4 to 0.6 mm, so that the liquid entering the first liquid-guiding microgroove 24 can be lifted and flow back to the mounting hole 218 due to capillary action.

[0055] Please see Figure 7 and Figure 14 In some embodiments, the second atomizing seat 22 is formed with a second liquid guiding microchannel 25, which is fluidly connected to the first liquid guiding microchannel 24. Specifically, the end of the second liquid guiding microchannel 25 extending along its extension direction near the first liquid guiding microchannel 24 penetrates the upper end face of the second atomizing seat 22 (i.e., the end face of the second atomizing seat 22 facing the first atomizing seat 21). Thus, the second liquid guiding microchannel 25 can guide the liquid in the second liquid storage chamber 20 to the first liquid guiding microchannel 24. In summary, on the one hand, the liquid in the second liquid storage chamber 20 can flow back directly to the first liquid storage chamber 10 via the back suction channel 23; on the other hand, the liquid in the second liquid storage chamber 20 can flow back to the mounting hole 218 via the second liquid guiding microchannel 25 and the first liquid guiding microchannel 24 and be reabsorbed by the liquid guiding 31 of the atomizing core 3. Thus, the two liquid circuits effectively improve the utilization rate of the atomizing matrix.

[0056] Please see Figure 5 , Figure 6 and Figure 14 In some embodiments, the atomizer further includes a housing 6, which is connected to a first atomizing seat 21. The housing 6 and the first atomizing seat 21 together define a first liquid storage chamber 10. Specifically, the first atomizing seat 21 and the housing 6 are sealed together to define a closed first liquid storage chamber 10.

[0057] Please see Figure 5 , Figure 6 and Figure 14 In some embodiments, the housing 6 includes an outer shell portion 61 and a tube portion 62, the cross-sectional dimension of the outer shell portion 61 being larger than that of the tube portion 62. The transverse direction of the cross-section can be referenced to a direction perpendicular to the length direction of the electronic atomizing device. The outer shell portion 61 is fitted around the outer periphery of the first atomizing seat 21. A first sealing rib 26 is provided around the outer periphery of the first atomizing seat 21, contacting the inner wall surface of the outer shell portion 61 to achieve a seal between the first atomizing seat 21 and the outer shell portion 61. The first atomizing seat 21 has an air outlet 219 penetrating the first surface 213 and the second surface 214, and the air outlet 219 is connected to the atomizing chamber 217. One end of the tube portion 62 along its length is embedded in the air outlet 219. The tube portion 62 and the air outlet 219 can be an interference fit. A raised second sealing rib 27 can be provided on the inner wall of the air outlet 219. The second sealing rib 27 contacts the tube section 62, achieving a seal between the tube section 62 and the vent 219. The interference fit between the tube section 62 and the vent 219 can be 0.15–0.2 mm, and the sealing performance must reach 101 kPa in the air pressure test. The tube section 62, the outer shell section 61, and the first atomizing seat 21 together define the first liquid storage chamber 10.

[0058] Please see Figure 4 , Figure 15 and Figure 16In some embodiments, an atomizer assembly is provided, including an atomizer of any embodiment and a reservoir unit 7 for use with the atomizer. The reservoir unit 7 and the atomizer are detachably connected. The reservoir unit 7 has a third reservoir chamber 70. The third reservoir chamber 70 is also used to store liquid atomizing matrix. When the atomizer and the reservoir unit 7 are installed together, the third reservoir chamber 70 is connected to a first reservoir chamber 10. The third reservoir chamber 70 supplies atomizing matrix to the first reservoir chamber 10. The reservoir unit 7 and the housing 6 are detachably connected. The reservoir unit 7 can be transported separately. Furthermore, the user can remove the reservoir unit 7 at any time to replenish the third reservoir chamber 70 with atomizing matrix.

[0059] like Figure 15 and Figure 16 As shown, in some embodiments, the liquid storage unit 7 further includes a first liquid guiding hole 71 and a liquid blocking plug 72. The liquid blocking plug 72 is disposed inside the first liquid guiding hole 71 to block the first liquid guiding hole 71. The upper end face of the outer shell portion 61 of the housing 6 is provided with a liquid guiding column 63, and the interior of the liquid guiding column 63 is hollow to form a second liquid guiding hole 60. When the atomizer and the liquid storage unit 7 are installed together, the liquid guiding column 63 pushes the liquid blocking plug 72 into the third liquid storage chamber 70, and the liquid guiding column 63 extends into the first liquid guiding hole 71, so that the first liquid guiding hole 71 and the second liquid guiding hole 60 are connected, thereby realizing fluid communication between the third liquid storage chamber 70 and the first liquid storage chamber 10.

[0060] Technical features not mentioned in the various embodiments described above can be set with reference to other embodiments.

[0061] It is understood that the above embodiments only illustrate preferred embodiments of the present utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present utility model patent. It should be noted that for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present utility model, all of which fall within the protection scope of the present utility model. Therefore, all equivalent transformations and modifications made within the scope of the claims of the present utility model should fall within the coverage of the claims of the present utility model.

Claims

1. An atomizer, characterized in that, include: The first liquid storage chamber (10) is used to store the atomized matrix; The atomizing seat (2) is provided with a second liquid storage chamber (20) and at least one back suction channel (23), wherein the first liquid storage chamber (10) and the second liquid storage chamber (20) are respectively in fluid communication with the back suction channel (23); The atomizing core (3) is disposed in the atomizing seat (2) and is in fluid communication with the first liquid storage chamber (10) for heating and atomizing the atomizing matrix to generate an aerosol.

2. The atomizer according to claim 1, characterized in that, The atomizing seat (2) includes a first atomizing seat (21) and a second atomizing seat (22) connected to each other. The backflow channel (23) is at least partially disposed in the first atomizing seat (21). The atomizing core (3) is installed in the first atomizing seat (21). The second liquid storage chamber (20) is formed in the second atomizing seat (22).

3. The atomizer according to claim 1, characterized in that, The atomizer also includes a back suction tube (5), which passes through the atomizing seat (2) and extends into the second liquid storage chamber (20). The lumen of the back suction tube (5) forms the back suction channel (23).

4. The atomizer according to claim 3, characterized in that, A gap (11) is formed between the end of the back suction pipe (5) that extends into the second liquid storage chamber (20) and the bottom surface of the second liquid storage chamber (20), and the back suction channel (23) is in fluid communication with the second liquid storage chamber (20) through the gap (11); Alternatively, the wall of the end of the back suction pipe (5) that extends into the second liquid storage chamber (20) is provided with a liquid guiding hole that penetrates the pipe wall, and the back suction channel (23) is in fluid communication with the second liquid storage chamber (20) through the liquid guiding hole.

5. The atomizer according to claim 3, characterized in that, A limiting groove (221) is formed in the second liquid storage chamber (20), and the end of the back suction pipe (5) near the second liquid storage chamber (20) extends into the limiting groove (221).

6. The atomizer according to claim 2, characterized in that, The backflow channel (23) is at least partially formed in the first atomizing seat (21).

7. The atomizer according to claim 2, characterized in that, The first atomizing seat (21) is provided with an atomizing chamber (217) and a mounting hole (218). The atomizing core (3) is embedded in the mounting hole (218) for fixation. The mounting hole (218) and the atomizing chamber (217) are in fluid communication. The atomizing chamber (217) and the second liquid storage chamber (20) are in fluid communication.

8. The atomizer according to claim 7, characterized in that, The first atomizing seat (21) has a first liquid guiding microgroove (24), which is in fluid communication with the mounting hole (218) and the second liquid storage chamber (20).

9. The atomizer according to claim 2, characterized in that, The atomizer also includes a housing (6), which is connected to the first atomizing seat (21). The housing (6) and the first atomizing seat (21) together define the first liquid storage chamber (10).

10. An electronic atomizing device, characterized in that, It includes a battery assembly (4) and an atomizer as described in any one of claims 1 to 9, wherein the battery assembly (4) and the atomizer are connected.

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