Electronic atomization device

Abstract

The electronic atomization device comprises a battery rod, an atomization assembly and a switching mechanism, the atomization assembly comprises an atomizer support rotationally arranged at the top end of a mounting support and at least two atomizers arranged in the atomizer support, and the at least two atomizers are circumferentially and evenly distributed along the central axis of the atomizer support; the switching mechanism comprises a driven gear, a driving piece and a transmission assembly, the driven gear and the atomizer support rotate synchronously, the driving piece comprises a rack part and a rod part, and the transmission assembly is in transmission connection with the driven gear and the rack part; the driving part can drive the driven gear to rotate through the transmission assembly during reciprocating sliding, and then the atomizer support is driven to rotate, so that the power supply can be selectively and correspondingly electrically connected with any atomizer. Therefore, switching use of different atomizers is achieved, operation is convenient and fast, the trouble that a plurality of atomizers need to be carried and the atomizers need to be disassembled and assembled is avoided, and the use experience of a user is greatly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of atomization equipment, and in particular to an electronic atomization device. Background Art

[0002] An electronic atomization device is usually composed of a battery assembly and an atomizer. The battery assembly is used to power the atomizer, and the atomizer heats the atomizing medium, atomizes it, and mixes it with air to form an aerosol that can be used by the user. However, the types of existing electronic atomization devices are usually replaceable cartridge structures or disposable structures, that is, an atomizer is detachable or fixedly mounted on the battery assembly, has only one atomizing medium, and its flavor is single. If you want to change to other flavors, you need to replace a new atomizer, which is cumbersome to operate and inconvenient to carry. Summary of the invention

[0003] The purpose of the present invention is to solve the deficiencies in the prior art to at least a certain extent and to provide an electronic atomization device.

[0004] To achieve the above-mentioned purpose, the electronic atomization device provided by the present invention comprises:

[0005] A battery rod, the battery rod comprising a shell, a mounting bracket disposed in the shell, and a power supply fixed to the mounting bracket;

[0006] An atomizer assembly, the atomizer assembly comprising an atomizer bracket rotatably disposed on the top of the mounting bracket, at least two atomizers disposed in the atomizer bracket, and at least two atomizers are evenly distributed circumferentially along the central axis of the atomizer bracket;

[0007] A switching mechanism, the switching mechanism comprising a driven gear, a driving member and a transmission assembly, the driven gear rotates synchronously with the atomizer bracket, the driving member is slidably disposed on the mounting bracket, and comprises a rack portion located in the housing and a rod portion connected to the rack portion and extending from the housing, and the transmission assembly is respectively connected to the driven gear and the rack portion in a transmission manner;

[0008] Wherein, when the driving member slides back and forth, it can drive the driven gear to rotate through the transmission assembly, thereby driving the atomizer bracket to rotate, so that the power supply can be selectively electrically connected to any one of the atomizers.

[0009] Optionally, the transmission assembly includes a first transmission gear and a second transmission gear, the first transmission gear is meshed with the driven gear, and the second transmission gear is coaxially fixed with the first transmission gear and meshed with the rack portion.

[0010] Optionally, both sides of the rack portion are provided with rack structures, and the transmission assembly further comprises a third transmission gear and a fourth transmission gear, the third transmission gear is meshed with the driven gear, and the fourth transmission gear is coaxially fixed with the third transmission gear and meshed with the rack portion;

[0011] Among them, the first transmission gear and the third transmission gear are symmetrically arranged relative to the driven gear, and the second transmission gear and the fourth transmission gear are both fan-shaped gears; when the driving member slides back and forth, the second transmission gear and the fourth transmission gear alternately mesh with the rack part to realize the conversion of the linear motion force of the rack part into the rotational force of the driven gear.

[0012] Optionally, the second transmission gear and the fourth transmission gear are respectively meshed with the rack structures on both sides of the rack portion, and two ends of each rack structure are respectively protruded to form a pushing portion.

[0013] Optionally, the first transmission gear and the second transmission gear are an integrally formed structure, and the third transmission gear and the fourth transmission gear are an integrally formed structure.

[0014] Optionally, the atomizer further comprises two conductive electrodes, one end of the two conductive electrodes is electrically connected to the atomizing core inside the atomizer, and the other end is penetrated through the bottom wall of the atomizer and exposed on the outer surface of the bottom wall;

[0015] A mounting portion is formed on the top of the mounting bracket, and two power supply electrodes are arranged on the mounting portion. The two power supply electrodes are electrically connected to the power supply source. The atomizer bracket can be rotatably mounted on the mounting portion, and the two conductive electrodes of one of the atomizers can be selectively electrically connected to the two power supply electrodes one by one.

[0016] Optionally, the mounting portion forms an air inlet channel between the two power supply electrodes, and the bottom of the atomizer forms an air inlet hole. When one of the atomizers is electrically connected to the power supply, the air inlet hole of the atomizer is correspondingly connected to the air inlet channel.

[0017] Optionally, the upper surface of the power supply electrode is flush with the upper surface of the mounting portion, and the power supply electrode and / or the conductive electrode are magnetic or ferromagnetic.

[0018] Optionally, the electronic atomization device also includes a positioning component, which includes a first magnetic component provided on the mounting portion and a second magnetic component provided on the bottom wall of the atomizer. When the first magnetic component is adsorbed onto the second magnetic component on one of the atomizers, the conductive electrode of the atomizer is electrically connected to the power supply electrode.

[0019] Optionally, a mounting through hole is provided at the center of the mounting portion, and a connecting rod is formed by protruding downward from the center of the bottom end of the atomizer bracket. The connecting rod passes through the mounting through hole and is fixedly connected to the driven gear.

[0020] When the electronic atomization device of the present invention is in use, different atomization media are stored in each atomizer respectively. The atomizer bracket can be driven to rotate a certain angle as needed. The driving member is made to reciprocate to drive the driven gear to rotate, thereby driving the atomizer bracket to rotate until the target atomizer moves to the working position. At this time, the target atomizer is electrically connected to the power supply, thereby realizing the switching of different atomizers. The operation is convenient and quick, avoiding the trouble of carrying multiple atomizers and the need to disassemble and assemble the atomizer, and greatly improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of an embodiment of the electronic atomization device of the present invention;

[0023] Figure 2 for Figure 1 Schematic diagram of the decomposition of

[0024] Figure 3 It is a schematic diagram of the connection structure between the switching mechanism and the atomizer bracket in the embodiment of the electronic atomization device of the present invention;

[0025] Figure 4 The structure of the switching mechanism in the embodiment of the electronic atomization device of the present invention is shown in FIG. Figure 1 ;

[0026] Figure 5 The structure of the switching mechanism in the embodiment of the electronic atomization device of the present invention is shown in FIG. Figure 2 ;

[0027] Figure 6 The structure of the switching mechanism in the embodiment of the electronic atomization device of the present invention is shown in FIG. Figure 3 ;

[0028] Figure 7 for Figure 3 Schematic diagram of the decomposition of

[0029] Figure 8 It is a structural schematic diagram of the atomizer in the present invention;

[0030] Fig. 9 It is a schematic diagram of the structure of the silicone sleeve in the present invention;

[0031] Fig.10 It is a cross-sectional view of the electronic atomization device of the present invention.

[0032] Reference numerals:

[0033] 10. Battery rod; 11. Housing; 12. Mounting bracket; 121. Mounting portion; 122. Power supply electrode; 123. Air intake channel; 124. Sensing channel; 125. Mounting through hole;

[0034] 20, atomization assembly; 21, atomizer bracket; 211, connecting rod; 212, through hole; 22, atomizer; 221, conductive electrode; 222, air inlet; 223, sensing hole; 224, air outlet;

[0035] 30. Switching mechanism; 31. Driven gear; 32. Driving member; 321. Rack portion; 322. Rod portion; 323. Pushing portion; 33. First transmission gear; 34. Second transmission gear; 35. Third transmission gear; 36. Fourth transmission gear;

[0036] 40. cup body; 41. suction nozzle; 42. connecting pipe;

[0037] 50. Silicone sleeve; 51. Connecting portion; 52. Accommodating cavity; 53. Airway. DETAILED DESCRIPTION

[0038] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but are not to be construed as limiting the present invention. All other embodiments obtained by ordinary technicians in the field without creative work based on the embodiments of the present invention are within the scope of protection of the present invention.

[0039] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “circumferential”, “radial”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0040] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0041] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] The technical solutions of the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0043] like Figures 1 to 3 As shown, the electronic atomization device according to an embodiment of the present invention includes a battery rod 10, an atomization assembly 20 and a switching mechanism 30. The battery rod 10 includes a housing 11, a mounting bracket 12 arranged in the housing 11, and a power supply (not shown) fixed in the mounting bracket 12; the atomization assembly 20 includes an atomizer bracket 21 rotatably arranged at the top of the mounting bracket 12, at least two atomizers 22 arranged in the atomizer bracket 21, and at least two atomizers 22 are evenly distributed in a circle along the central axis of the atomizer bracket 21; the switching mechanism 30 includes The driven gear 31 rotates synchronously with the atomizer bracket. The driving member 32 can be slidably arranged on the mounting bracket, including a rack portion 321 located in the shell and a rod portion 322 connected to the rack portion 321 and extending from the shell. The transmission assembly is respectively connected to the driven gear 31 and the rack portion 321. When the driving member 32 slides back and forth, the driven gear 31 can be driven to rotate through the transmission assembly, thereby driving the atomizer bracket to rotate, so that the power supply can be selectively electrically connected to any one of the atomizers.

[0044] Specifically, combined Figures 4 to 6As shown, there are rack structures on both sides of the rack portion 321, and the transmission assembly includes a first transmission gear 33, a second transmission gear 34, a third transmission gear 35 and a fourth transmission gear 36. The first transmission gear 33 and the third transmission gear 35 are symmetrically arranged relative to the driven gear 31, and are both meshed with the driven gear 31; the second transmission gear 34 and the fourth transmission gear 36 are both fan-shaped gears, and the second transmission gear 34 is coaxially fixed with the first transmission gear 33, and can be meshed with the rack structure on one side of the rack portion 321; the fourth transmission gear 36 is coaxially fixed with the third transmission gear 35, and can be meshed with the rack structure on the other side of the rack portion 321; when the driving member 32 slides back and forth, the second transmission gear 34 and the fourth transmission gear 36 are alternately meshed with the rack portion 321 to realize the conversion of the linear motion force of the rack portion 321 into the rotational force of the driven gear 31.

[0045] Through the above structure, the driving member 32 can drive the driven gear 31 to rotate through the cooperation between the rack portion 321 and the transmission assembly; when the rack portion 321 is driven to move horizontally to the left, the rack portion 321 meshes with the second transmission gear 34, and at the same time, the rack portion 321 is disengaged from the fourth transmission gear 36, and the second transmission gear 34 drives the first transmission gear 33 to rotate coaxially clockwise, and since the first transmission gear 33 and the third transmission gear 35 are always in a meshing state with the driven gear 31, the second transmission gear 34 and the fourth transmission gear 36 rotate clockwise at the same time until the fourth transmission gear 36 is transmitted to mesh with the rack portion 321, and the rack portion 321 is disengaged from the second transmission gear 34, at this time, the rack portion 321 can be driven to move horizontally to the right, so that the driven gear 31 can be rotated 360 degrees by driving the rack portion 321 to reciprocate, so as to realize the function of driving the atomizer bracket 21 to rotate.

[0046] In order to facilitate the description of the technical solution of the present invention, in this embodiment, the position of the atomizer 22 in an electrically connected state is set as the working position, and the positions of other atomizers 22 are all non-working positions. When the electronic atomization device is in use, different atomization media are stored in each atomizer 22, and the atomizer bracket 21 can be driven to rotate a certain angle as needed to switch different atomizers 22 to perform a single work; specifically, when the user needs to use a certain atomizer 22 (i.e., the target atomizer), the driving member 32 can be driven to slide back and forth horizontally to drive the driven gear 31 to rotate, and then drive the atomizer bracket 21 to rotate until the target atomizer moves to the working position. At this time, the target atomizer is electrically connected to the power supply, thereby realizing the switching of different atomizers. The operation is convenient and quick, avoiding the trouble of carrying multiple atomizers and the need to disassemble and assemble the atomizer, and greatly improving the user experience.

[0047] Furthermore, the second transmission gear 34 and the fourth transmission gear 36 are respectively meshed with the rack structures on both sides of the rack portion 321, and a pushing portion 323 is protruded at both ends of each rack structure; when the rack portion 321 moves horizontally to the left or right to the extreme position, the pushing portion 323 can be used to push one of the corresponding second transmission gear 34 and the fourth transmission gear 36 to rotate to a state of being disengaged from the rack portion 321. At the same time, based on the linkage of each gear in the transmission assembly, the other of the second transmission gear 34 and the fourth transmission gear 36 is rotated to a state of being meshed with the rack portion 321, thereby ensuring that the second transmission gear 34 and the fourth transmission gear 36 can smoothly and alternately mesh with the rack portion 321, so as to realize the function of the rack portion 321 driving the driven gear 31 to rotate 360 ​​degrees.

[0048] In this embodiment, the first transmission gear 33 and the second transmission gear 34 are an integrally formed structure, and the third transmission gear 35 and the fourth transmission gear 36 are an integrally formed structure, which greatly improves the structural strength and compactness of the transmission assembly, facilitates the assembly of the transmission assembly on the mounting bracket 12, and improves the assembly efficiency.

[0049] In an alternative embodiment, the switching mechanism 30 can also adopt other structural settings. For example, the rack portion 321 adopts a single-sided rack structure, and the transmission assembly only includes a first transmission gear 33 and a second transmission gear 34 that are coaxially fixed, and the first transmission gear 33 and the second transmission gear 34 are both circular gears. The first transmission gear 33 is meshed with the driven gear 31, and the second transmission gear 34 is meshed with the rack portion 321; in this embodiment, the number of teeth of the rack structure of the rack portion 321 is the same as the number of teeth of the second transmission gear 34. When the rack portion 321 reciprocates laterally, the driven gear 31 can be driven by the first transmission gear 33 and the second transmission gear 34 to perform 360-degree alternating forward and reverse rotations.

[0050] In a specific embodiment, Figure 7 and Figure 8 As shown, the atomizer 22 also includes two conductive electrodes 221, one end of the two conductive electrodes 221 is electrically connected to the atomizing core inside the atomizer 22, and the other end is penetrated through the bottom wall of the atomizer 22 and exposed on the outer surface of the bottom wall; it should be understood that the atomizing core of the atomizer 22 includes a conductive liquid and a heating element attached to the conductive liquid, the two ends of the heating element are electrically connected to the two conductive electrodes 221 respectively, the liquid storage cavity in the atomizer 22 is connected to the conductive liquid, the atomizing medium in the liquid storage cavity can be transmitted to the conductive liquid, and when the atomizer 22 is powered on, the heating element can heat and atomize the atomizing medium in the conductive liquid to generate an aerosol that can be inhaled.

[0051] The top of the mounting bracket 12 is formed with a mounting portion 121, on which two power supply electrodes 122 are arranged, and the two power supply electrodes 122 are electrically connected to the power supply. The atomizer bracket 21 can be rotatably mounted on the mounting portion 121, and selectively make the two conductive electrodes 221 of one of the atomizers 22 electrically connected to the two power supply electrodes 122 in a one-to-one correspondence. It should be noted that the mounting bracket 12 is also provided with a controller (not shown), which is electrically connected to the power supply electrodes 122 and the power supply, and is used to control whether the power supply supplies power to the atomizer 22 in the working position according to the actual control signal.

[0052] Preferably, the upper surface of the power supply electrode 122 is flush with the upper surface of the mounting portion 121, and the power supply electrode 122 and / or the conductive electrode 221 are magnetic or ferromagnetic. Therefore, by setting the power supply electrode 122 and / or the conductive electrode 221 as a magnetic or ferromagnetic structure, the atomizer assembly 20 can be rotated at a certain angle or the target atomizer 22 can be stably positioned at the working position, so that the two conductive electrodes 221 of the atomizer 22 are electrically connected to the two power supply electrodes 122 one by one.

[0053] In addition, the stable connection method between the atomizer 22 and the two conductive electrodes 221 is not limited to the above-mentioned embodiment, and can also be achieved by making the power supply electrode 122 slightly higher than the top surface of the mounting portion 121, so that the two conductive electrodes 221 of the atomizer 22 can be electrically contacted with the two power supply electrodes 122 after the atomization assembly 20 is rotated; or the two power supply electrodes 122 adopt a spring electrode (pogo pin connector) structure.

[0054] Furthermore, the mounting portion 121 forms an air inlet channel 123 between the two power supply electrodes 122, and an air inlet hole 222 is formed at the bottom of the atomizer 22. When one atomizer 22 is in the working position and electrically connected to the power supply, the air inlet hole 222 of the atomizer 22 is correspondingly connected to the air inlet channel 123, while the bottom air inlet holes 222 of other atomizers 22 are blocked by the mounting portion 121, thereby ensuring that when the user inhales, the air entering from the outside through the air inlet channel 123 can only enter from the air inlet hole 222 at the bottom of the atomizer 22 in the working position, and after mixing with the aerosol generated by the atomization core, it is inhaled by the user.

[0055] In one embodiment, the electronic atomization device of the embodiment of the present invention further includes a positioning assembly, which includes a first magnetic member (not shown) disposed on the mounting portion 121 and a second magnetic member (not shown) disposed on the bottom wall of the atomizer 22. When the first magnetic member is adsorbed to the second magnetic member on one of the atomizers 22, the conductive electrode 221 of the atomizer 22 is electrically connected to the power supply electrode 122. It should be understood that each atomizer 22 is provided with a second magnetic member on the bottom wall, and whenever the atomizer bracket 21 is rotated a certain angle (for example, the second magnetic member is attached to the bottom wall of the atomizer 22). Figure 4 The structure shown in the figure is rotated 120°), in which the second magnetic part of one atomizer 22 is adsorbed on the first magnetic part. At this time, the atomizer 22 is in the working position, and its air inlet hole 222 is correspondingly connected to the air inlet channel 123, and its two conductive electrodes 221 are respectively in one-to-one contact with the two power supply electrodes 122; therefore, by providing the first magnetic part and the second magnetic part, it is possible to facilitate the rapid positioning of different atomizers 22 during switching, and improve the connection stability between the conductive electrode 221 and the power supply electrode 122.

[0056] In one embodiment, the battery rod 10 further includes a pneumatic switch (not shown) disposed in the mounting bracket 12, a sensing channel 124 connected to the sensing cavity where the pneumatic switch is located is formed in the mounting portion 121, and a sensing hole 223 is formed at the bottom of the atomizer 22. When an atomizer 22 is electrically connected to the power supply, the sensing hole 223 of the atomizer 22 is correspondingly connected to the sensing channel 124. It should be noted that the atomization channel in the atomizer 22 is respectively connected to the air inlet 222 and the sensing hole 223, and the pneumatic switch is electrically connected to the controller. When the user inhales, negative pressure is generated in the sensing cavity to trigger the pneumatic switch to generate a signal, so that the controller controls the power supply to supply power to the atomizer 22 in the working position according to the signal, thereby heating and generating aerosol, so as to realize the automatic suction operation of the atomizer 22.

[0057] In this embodiment, a mounting hole 125 is provided at the center of the mounting portion 121, and a connecting rod 211 is formed by protruding downward from the center of the bottom end of the atomizer bracket 21. The connecting rod 211 passes through the mounting hole 125 and is fixedly connected to the driven gear 31. The first transmission gear 33 and the third transmission gear 35 can be rotatably mounted at the bottom of the mounting portion 121, so that the structure is more compact and reliable.

[0058] Furthermore, a through hole 212 corresponding to the number of the atomizers 22 and penetrating up and down is formed in the atomizer bracket 21, and the plurality of through holes 212 are evenly distributed in a circle relative to the central axis of the connecting rod 211, and the lower end of each atomizer 22 is installed in each through hole 212 in a one-to-one correspondence. The atomizer 22 is installed by providing an installation cavity formed by the through holes 212, so that each atomizer 22 can be installed in a plug-in manner, which is convenient for fixing and disassembling the atomizer 22 and improving the convenience of replacing the atomizer 22.

[0059] In one embodiment, in combination Fig. 9 and Fig.10 As shown, the electronic atomization device of the embodiment of the present invention also includes a cup body 40, which is covered on the outside of the atomization assembly 20 and connected to the housing 11. The end of the cup body 40 away from the housing 11 is integrally formed or installed with a suction nozzle 41, and the suction nozzle 41 is connected to the air outlet 224 of each atomizer 22 through a silicone sleeve 50. The above structure can protect the atomization assembly 20 in the cup body 40, and at the same time, the cup body 40 and the silicone sleeve 50 are used to form a waterproof structure to prevent the electronic components in the battery rod 10 from short-circuiting or even burning due to moisture or rainwater immersion. In other embodiments, the cup body 40 can also be formed integrally with the housing 11. At this time, the lower half of the housing 11 can be formed by splicing the left and right shells. When installing, the atomization assembly 20, the silicone sleeve 50 and the mounting bracket 12 are first assembled into a whole, and then the whole is inserted upward from the lower end of the housing to achieve installation.

[0060] Furthermore, the top of each atomizer 22 extends into and is fixed in the silicone sleeve 50, and a connecting portion 51 connected to the suction nozzle 41 is formed at the top of the silicone sleeve 50. The suction nozzle 41 is connected to the air outlet 224 of each atomizer 22 through the connecting portion 51. Specifically, the suction nozzle 41 extends inward to form a connecting tube 42, and the connecting portion 51 can be rotatably sleeved on the connecting tube 42. With such a structure, no matter how the atomizer assembly 20 rotates, the air outlet 224 of each atomizer 22 can be kept in a connected state with the suction nozzle 41.

[0061] Furthermore, the bottom of the silicone sleeve 50 is formed with accommodating cavities 52 corresponding to the number of the atomizers 22, the top of the atomizer 22 is installed in the accommodating cavity 52, and air passages 53 are respectively formed between each accommodating cavity 52 and the connecting portion 51. In other words, through the arrangement of the silicone sleeve 50, the air outlet 224 of the atomizer 22 can be connected only to the suction nozzle 41, ensuring the suction force generated by the user on the atomizer 22 in the working position when inhaling.

[0062] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structural changes made using the contents of the present invention's specification and drawings, or directly / indirectly applied in other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. An electronic atomization device, characterized in that: include: A battery rod, the battery rod comprising a shell, a mounting bracket disposed in the shell, and a power supply fixed to the mounting bracket; An atomizer assembly, the atomizer assembly comprising an atomizer bracket rotatably disposed on the top of the mounting bracket, at least two atomizers disposed in the atomizer bracket, and at least two atomizers are evenly distributed circumferentially along the central axis of the atomizer bracket; A switching mechanism, the switching mechanism comprising a driven gear, a driving member and a transmission assembly, the driven gear rotates synchronously with the atomizer bracket, the driving member is slidably disposed on the mounting bracket, and comprises a rack portion located in the housing and a rod portion connected to the rack portion and extending from the housing, and the transmission assembly is respectively connected to the driven gear and the rack portion in a transmission manner; Wherein, when the driving member slides back and forth, it can drive the driven gear to rotate through the transmission assembly, thereby driving the atomizer bracket to rotate, so that the power supply can be selectively electrically connected to any one of the atomizers.

2. The electronic atomization device according to claim 1, characterized in that: The transmission assembly includes a first transmission gear and a second transmission gear, the first transmission gear is meshed with the driven gear, and the second transmission gear is coaxially fixed with the first transmission gear and meshed with the rack portion.

3. The electronic atomization device according to claim 2, characterized in that: There are rack structures on both sides of the rack part, and the transmission assembly also includes a third transmission gear and a fourth transmission gear, the third transmission gear is meshed with the driven gear, and the fourth transmission gear is coaxially fixed with the third transmission gear and meshed with the rack part; Among them, the first transmission gear and the third transmission gear are symmetrically arranged relative to the driven gear, and the second transmission gear and the fourth transmission gear are both fan-shaped gears; when the driving member slides back and forth, the second transmission gear and the fourth transmission gear alternately mesh with the rack part to realize the conversion of the linear motion force of the rack part into the rotational force of the driven gear.

4. The electronic atomization device according to claim 3, characterized in that: The second transmission gear and the fourth transmission gear are respectively meshed with the rack structures on both sides of the rack portion, and two ends of each rack structure are respectively protruded to form a pushing portion.

5. The electronic atomization device according to claim 3, characterized in that: The first transmission gear and the second transmission gear are an integrally formed structure, and the third transmission gear and the fourth transmission gear are an integrally formed structure.

6. The electronic atomization device according to any one of claims 2 to 5, characterized in that: The atomizer further comprises two conductive electrodes, one end of the two conductive electrodes is electrically connected to the atomizing core inside the atomizer, and the other end is penetrated through the bottom wall of the atomizer and exposed on the outer surface of the bottom wall; A mounting portion is formed on the top of the mounting bracket, and two power supply electrodes are arranged on the mounting portion. The two power supply electrodes are electrically connected to the power supply source. The atomizer bracket can be rotatably mounted on the mounting portion, and the two conductive electrodes of one of the atomizers can be selectively electrically connected to the two power supply electrodes one by one.

7. The electronic atomization device according to claim 6, characterized in that: The mounting portion forms an air inlet channel between the two power supply electrodes, and the bottom of the atomizer forms an air inlet hole. When one of the atomizers is electrically connected to the power supply, the air inlet hole of the atomizer is correspondingly connected to the air inlet channel.

8. The electronic atomization device according to claim 6, characterized in that: The upper surface of the power supply electrode is flush with the upper surface of the mounting portion, and the power supply electrode and / or the conductive electrode are magnetic or ferromagnetic.

9. The electronic atomization device according to claim 6, characterized in that: The electronic atomization device also includes a positioning component, which includes a first magnetic component arranged on the mounting portion and a second magnetic component arranged on the bottom wall of the atomizer. When the first magnetic component is adsorbed onto the second magnetic component on one of the atomizers, the conductive electrode of the atomizer is electrically connected to the power supply electrode.

10. The electronic atomization device according to claim 6, characterized in that: A mounting through hole is provided at the center of the mounting portion, and a connecting rod is formed by protruding downward from the center of the bottom end of the atomizer bracket. The connecting rod passes through the mounting through hole and is fixedly connected to the driven gear.

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