Atomizer

Abstract

This invention relates to an atomizer, comprising an oil cup and an atomizing component. The atomizing component is installed in the lower end of the oil cup and forms a liquid storage chamber with the oil cup. An atomizing chamber is formed within the atomizing component. The atomizing chamber has a guide surface opposite to the oil guide body. Along the direction perpendicular to the atomizing surface, the projection of the guide surface onto the atomizing surface is located within the heating area of ​​the heating element or intersects with the heating area of ​​the heating element. The guide surface is a bent or arc-shaped surface that bulges outward in the direction of the oil guide body in the middle. By setting the side of the atomizing chamber opposite to the heating element as a bulging bent or arc-shaped surface, the airflow entering the atomizing chamber from the air intake channel is directed towards the high-temperature position in the middle of the heating element by the guide surface, thus better carrying away the aerosol generated on the surface of the heating element. Furthermore, the airflow velocity reaches its maximum when passing through the high-temperature position in the middle of the heating element, which is beneficial for carrying away the aerosol generated by the heating element at a faster speed, thereby maximizing the atomization efficiency.

Description

Technical Field

[0001] This invention belongs to the field of electronic atomization technology, and particularly relates to an atomizer. Background Technology

[0002] The principle of an electronic atomizer is to use an internal heating element to heat and atomize the atomizing liquid absorbed by the oil guide, and then draw the aerosol out from the air outlet inside the atomizer through suction.

[0003] Currently, electronic atomizers all use a bottom-intake system, with the vapor exiting through a hole at the top. When the atomizer is working, the heating element of the coil heats up instantly, atomizing the e-liquid. To maximize atomization efficiency, the coil (which can be ceramic, cotton, or other heating elements) is typically laid flat, with the heating element perpendicular to the bottom air intake. The incoming air blows directly onto the heating element, quickly removing the vapor and maximizing the amount of vapor produced.

[0004] However, if an atomizer's structure, due to limitations in size or outer tube shape, or for better functionality and flavor, or for better assembly (such as automated assembly), requires the atomizer coil to be placed vertically, and the heating layer on the coil is not directly facing the air intake at the bottom of the atomizer, but rather at an angle or parallel to the air intake, then the external air entering from the bottom air intake cannot be blown vertically onto the heating layer. Instead, the airflow blows across the heating layer from the side, and the airflow direction is parallel to the arrangement of the heating layer, resulting in relatively low atomization efficiency. Summary of the Invention

[0005] The purpose of this invention is to at least partially address the shortcomings of the prior art and provide an atomizer.

[0006] To achieve the above objectives, the present invention provides an atomizer, comprising an oil cup and an atomizing component. The atomizing component is installed in the lower end of the oil cup and forms a liquid storage chamber with the oil cup. The atomizing component includes a heating component, which includes a vertically or inclined oil guide body and a heating element attached to the atomizing surface of the oil guide body. An atomizing cavity is formed within the atomizing component, which is in contact with the atomizing surface. The bottom and top ends of the atomizing component are respectively provided with an air inlet channel and an air outlet communicating with the atomizing cavity.

[0007] The atomizing chamber has a guide surface opposite to the oil guide body. Along the direction perpendicular to the atomizing surface, the projection of the guide surface on the atomizing surface is located within the heating area of ​​the heating element or intersects with the heating area of ​​the heating element. The guide surface is a bent or arc-shaped surface that protrudes from the middle towards the oil guide body, so that the cross-sectional area of ​​the atomizing chamber gradually expands and extends from its middle position towards the air inlet channel and the air outlet.

[0008] Optionally, the guide surface includes a first plane / first arc surface and a second plane / second arc surface that are connected to each other in the vertical direction, and the connection between the first plane / first arc surface and the second plane / second arc surface is directly opposite the center of the heating part.

[0009] Optionally, the atomizing component has a receiving space inside, the heating component is disposed on one side of the receiving space, and the atomizing component also includes an air passage component installed in the receiving space, with the air passage component and the oil guide body forming the atomizing chamber.

[0010] Optionally, the heating element is a sheet-like structure, including two conductive parts and a heating part connected in series between the two conductive parts. The air passage protrudes towards the oil guide body to form two supporting parts, and the two supporting parts respectively press the two conductive parts tightly against the atomizing surface.

[0011] Optionally, the guide surface is connected between the two supporting portions, and the heating area of ​​the heating element is the range of the heating portion; the projection of the guide surface on the atomizing surface is located within the range of the heating portion or intersects with the range of the heating portion.

[0012] Optionally, the opposing inner surfaces of the two abutting portions smoothly transition with the guide surface.

[0013] Optionally, an air passage is provided between the air intake channel and the atomizing chamber, and the central axis of the air passage intersects with the guide surface.

[0014] Optionally, the atomizing assembly further includes a top assembly, which includes a bracket and a seal. The bracket is sealed to the inner wall of the oil cup via the seal, and the receiving space is formed by a recess on one side of the bracket.

[0015] Optionally, the sealing element is sleeved on the top of the bracket, and its side wall is provided with a liquid inlet groove. The liquid inlet groove and the inner wall of the oil cup together form a liquid inlet channel communicating with the liquid storage cavity. The side wall of the bracket is provided with a liquid inlet communicating with the liquid inlet channel. The side of the oil guide body opposite to the atomizing surface is a liquid absorption surface connected to the liquid inlet.

[0016] Optionally, the atomizing assembly further includes a bottom assembly, which includes a base fixed to the bottom of the bracket and two electrodes extending from bottom to top through the base. The upper ends of the two electrodes extend into the receiving space and press the heating element tightly against the oil guide body.

[0017] Optionally, the bottom assembly further includes a partition stacked on top of the base and located between the base and the bracket. The partition is a flat plate structure and forms an air intake channel with the base. The partition has an air vent that communicates with the air intake channel and the atomizing chamber respectively. The base is provided with an air intake vent that communicates with the air intake channel.

[0018] The atomizer of this invention features a convex curved or arc-shaped surface on the side of the atomization chamber opposite to the heating element. This allows the airflow, after entering the atomization chamber through the air inlet channel, to be directed towards the high-temperature central part of the heating element by the guiding surface, thus better carrying away the aerosol generated on the surface of the heating element. Furthermore, the airflow velocity reaches its maximum when passing through the high-temperature central part of the heating element, which helps to carry away the aerosol generated by the heating element at a faster speed, maximizing atomization efficiency. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a cross-sectional view along the long axis of an embodiment of the atomizer of the present invention;

[0021] Figure 2 This is a cross-sectional view along the minor axis of an embodiment of the atomizer of the present invention;

[0022] Figure 3 This is a cross-sectional view of the atomizing component of the present invention along the axis of the air passage;

[0023] Figure 4 This is a schematic diagram of the heating element of the present invention being welded to two electrodes;

[0024] Figure 5 This is a schematic diagram of the assembly of the oil guide body and the bracket of the present invention;

[0025] Figure 6 This is a schematic diagram of the bottom component of the present invention being mounted on the bracket;

[0026] Figure 7 This is a schematic diagram of the overall structure of the atomizing component of the present invention. Figure 1 ;

[0027] Figure 8 This is a schematic diagram of the overall structure of the atomizing component of the present invention. Figure 2 ;

[0028] Figure 9This is a partial three-dimensional sectional view of the atomizer of the present invention;

[0029] Main component description:

[0030] 100. Atomizer; 200. Atomizing assembly;

[0031] 10. Oil cup; 11. Air inlet; 12. Air delivery tube; 13. Liquid storage chamber;

[0032] 20. Top component;

[0033] 21. Support; 211. Containment space; 212. Liquid inlet; 213. Vent;

[0034] 22. Seal; 222. Liquid inlet channel;

[0035] 23. Airway component; 231. Atomizing chamber; 232. Guide surface; 233. Supporting part;

[0036] 30. Heating element; 31. Oil guide body; 32. Heating element; 321. Conductive part; 322. Heating part;

[0037] 40. Bottom component;

[0038] 41. Base; 412. Air inlet; 415. Air inlet channel;

[0039] 42. Electrode; 43. Separator; 431. Vent. Detailed Implementation

[0040] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0041] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "circumferential," and "radial," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0042] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0043] Please see Figure 1-3 This invention provides an atomizer 100, which can be used with a battery rod to form an electronic atomization device. The battery rod contains a power supply and a control circuit, and the control circuit is used to control the power supply to provide power to the atomizer 100.

[0044] The atomizer 100 includes an oil cup 10 and an atomizing component 200. The atomizing component 200 is installed in the lower end of the oil cup 10 and forms a liquid storage chamber 13 with the oil cup 10. The lower end of the oil cup 10 is open, and the upper end is provided with an air inlet 11 for the user to inhale. An air guide tube 12 is formed on the inner wall of the end of the oil cup 10 where the air inlet 11 is located, extending into the interior of the oil cup 10 along the edge of the air inlet 11. The interior of the air guide tube 12 communicates with the air inlet 11. A liquid storage chamber 13 is formed between the air guide tube 12 and the inner wall of the oil cup 10 to store the atomized liquid. In this embodiment, the air guide tube 12 and the oil cup 10 are integrally formed.

[0045] The atomizing assembly 200 includes a heating assembly 30, which includes a vertically or inclined oil guide body 31 and a heating element 32 attached to the atomizing surface of the oil guide body 31. The atomizing assembly 200 has an atomizing chamber 231 that is in contact with the atomizing surface. The bottom and top of the atomizing assembly 200 are respectively provided with an air inlet channel 415 and an air outlet 213 that communicate with the atomizing chamber 231. The air outlet 213 communicates with the air guide tube 12. The atomizing chamber 231 has a guide surface 232 that is opposite to the oil guide body 31. Along the direction perpendicular to the atomizing surface, the projection of the guide surface 232 on the atomizing surface is located in the heating area of ​​the heating element 32 or intersects with the heating area of ​​the heating element 32.

[0046] The heating element 32 is a metal sheet formed by etching conductive metal, such as nickel-chromium, iron-chromium-aluminum, or stainless steel, through etching or laser cutting. It includes two conductive portions 321 and a heating element 322 connected in series between the two conductive portions 321. The resistance of the conductive portions 321 is much smaller than that of the heating element 322, so that when the heating element 32 is energized, the conductive portions 321 generate only a small amount of heat, concentrating the heat in the heating element 322 area to ensure atomization. This embodiment does not impose a particular limitation on the shape of the heating element 322; for example, it can be grid-like, striped, S-shaped, zigzag, wavy, sawtooth, spiral, circular, or rectangular, as long as planar heating can be achieved.

[0047] It should be noted that the heating area of ​​the heating element 32 is the range of the heating section. The intersection of the projection of the guide surface 232 on the atomizing surface and the heating area of ​​the heating element 32 means that the upper end and / or lower end of the projection of the guide surface 232 on the atomizing surface extends out of the heating area of ​​the heating element 32. Thus, the guide surface 232 is used to guide the airflow through the heating section 322 area to improve the atomization effect of the atomizer.

[0048] In this embodiment, the guide surface 232 is set as a bent or arc-shaped surface that protrudes from the center towards the oil-guiding body 31, so that the cross-sectional area of ​​the atomizing chamber 231 gradually expands and extends from its central position towards the air inlet channel 415 and the air outlet 213. In this way, when the user inhales, the airflow enters the atomizing chamber 231 through the air inlet channel 415 and is blown towards the high-temperature central position of the heating element 32 by the guide surface 232, so as to better carry away the aerosol generated on the surface of the heating element 32. Furthermore, the airflow velocity reaches its maximum when passing through the high-temperature central position of the heating element 32, which is conducive to carrying away the aerosol generated by the heating element 32 at a faster speed and maximizing the atomization efficiency.

[0049] Preferably, the guide surface 232 is a bent surface, including a first plane inclined towards the air intake channel 415 and a second plane inclined towards the air outlet 213. The connection between the first plane and the second plane is directly opposite the center of the heating element 322, and the angle between the first plane and the second plane is a right angle or an obtuse angle. The angle between the first plane and the atomizing surface of the oil guide 31 is 30 to 90 degrees, and the angle between the second plane and the atomizing surface of the oil guide 31 is 30 to 90 degrees. The specific angle can be adjusted comprehensively according to other factors such as air intake volume and heating power. In this embodiment, the angle between the first plane and the atomizing surface of the oil guide 31 is 45°, the angle between the second plane and the atomizing surface of the oil guide 31 is 45°, and the angle between the first plane and the second plane is 90°.

[0050] To ensure smoother airflow through the atomizing chamber 231, a rounded transition is made between the first and second planes. Furthermore, to guarantee sufficient airflow velocity at the junction of the first and second planes while achieving a large atomization volume, the cross-sectional area of ​​the atomizing chamber 231 at this junction is 2.5–7.0 mm². 2 .

[0051] Of course, the guide surface 232 can also be an arc-shaped surface, including a first arc surface and a second arc surface that are connected to each other in the vertical direction. The angle and orientation between the first arc surface and the second arc surface are roughly similar to the first plane and the second plane mentioned above. The connection between the first arc surface and the second arc surface is also directly opposite the center of the heating part 322.

[0052] The following is in conjunction with the appendix Figures 3 to 9The structure of the atomizing component 200 in this embodiment will be further described in detail below. The atomizing component 200 includes a top component 20, a heating component 30, and a bottom component 40. It should be understood that the atomizer 100 of this embodiment is not limited to using a top component 20, a heating component 30, and a bottom component 40. Figures 3 to 9 The atomizing component 200 structure is shown.

[0053] The top assembly 20 includes a seal 22, a bracket 21, and an air passage 23. The seal 22 is fitted onto the top of the bracket 21 and is sealed to the inner wall of the oil cup 10. A receiving space 211 is recessed on one side of the bracket 21 (in conjunction with...). Figure 6 and Figure 7 As shown, the oil guide 31 is flat, with the side that fits against the receiving space 211 serving as the liquid-absorbing surface, and the opposite side serving as the atomizing surface. The use of absorbent cotton results in a large atomization volume, providing a good vaping experience and high flavor reproduction of the atomized liquid. In this embodiment, the oil guide 31 is at a 90° angle to the bottom surface of the atomizing component 200. In practical applications, the oil guide 31 can also be inclined; preferably, the angle between the oil guide 31 and the bottom surface of the atomizing component 200 is between 60° and 120°. It should be understood that the bottom surface of the atomizing component 200 is a plane perpendicular to the central axis of the atomizer 100.

[0054] The heating element 32 is a metal sheet formed by etching conductive metal, such as nickel-chromium, iron-chromium-aluminum, or stainless steel, through etching or laser cutting. It includes two conductive parts 321 and a heating part 322 connected in series between the two conductive parts 321. The resistance of the conductive parts 321 is much smaller than that of the heating part 322, so that when the heating element 32 is energized, the conductive parts 321 generate only a small amount of heat, allowing the heat to be concentrated in the area of ​​the heating part 322. In conjunction with the flow guiding surface 232 of the atomizing cavity 231, optimal atomization effect can be ensured. In this embodiment, the shape of the heating part 322 is not particularly limited. For example, it can be grid-shaped, striped, S-shaped, zigzag-shaped, wavy, sawtooth-shaped, spiral, circular, or rectangular, as long as it can achieve planar heating.

[0055] The air passage component 23 is preferably made of silicone material and is sealed and installed in the receiving space 211. The side of the air passage component 23 facing the heating element 30 also protrudes to form two supporting parts 233. The two supporting parts 233 abut against the oil guide body 31 and press against the conductive parts 321 at both ends of the heating element 32, thereby restricting the position of the air passage component 23 by the abutting action of the supporting parts 233 against the oil guide body 31, which facilitates automated assembly.

[0056] Thus, the air passage 23 and the oil guide 31 together form the atomizing chamber 231. The guide surface 232 is connected between the two supporting parts 233, and the opposite inner surfaces of the two supporting parts 233 smoothly transition with the guide surface 232, thereby making the airflow in the atomizing chamber 231 smoother. The material of the air passage 24 can also be plastic, metal, or other materials. The specific material used can be selected according to the actual situation, and this embodiment does not limit it.

[0057] The bottom assembly 40 includes a base 41 fixed to the bottom of the bracket 21 and two electrodes 42 extending from bottom to top through the base 41. The upper ends of the two electrodes 42 extend into the receiving space 211, so that the heating element 32 is held horizontally between the two electrodes 42 and the oil guide body 31. The conductive portions 321 at both ends of the heating element 32 are electrically connected to the two electrodes 42 respectively. The two electrodes 42 are located on opposite sides of the supporting portion 233, so that the electrodes 42 are outside the atomizing chamber 231, preventing the generated aerosol from forming condensate on the electrodes 42. It should be noted that after assembly, the air passage component 23 also presses the two electrodes 42 to make them in close contact with the two conductive portions 321 of the heating element 32 to achieve electrical connection.

[0058] Furthermore, the two conductive parts 321 can be welded or riveted to the same side of the two electrodes 42 respectively. During assembly, the oil guide body 31 can be installed into the receiving space 211 first, and then the bottom assembly 40 with the heating element 32 fixed thereon can be snapped and fixed to the bracket 21 in the horizontal direction, thereby pressing the heating element 32 onto the atomizing surface of the oil guide body 31, such as... Figure 9 As shown; then the air passage component 23 is sealed and installed into the receiving space 211, thus forming the atomizing component 200 as a whole; finally, the atomizing component 200 is inserted into the opening end 14 of the oil cup 10 to complete the assembly of the entire atomizer 100. This structure allows the components to be assembled in a vertical or horizontally stacked manner, eliminating the need to bend and wrap the heating element 32. This solves the problem that the robotic arm is not easy to operate because the oil guide body 31 and the heating element 32 are soft, enabling automated and batch assembly, improving production efficiency and reducing costs.

[0059] A liquid inlet groove is provided on the side wall of the seal 22. The liquid inlet groove and the inner wall of the oil cup 10 together form a liquid inlet channel 222. The upper end of the liquid inlet channel 222 is connected to the liquid storage chamber 13. The bracket 21 is provided with a liquid inlet 212 on the other side of the receiving space 211. The liquid inlet 212 is connected to the lower end of the liquid inlet channel 222 and extends through the receiving space 211. The liquid absorption surface of the oil guide body 31 covers the liquid inlet 212, so that the atomized liquid in the liquid storage chamber 13 can be guided into the oil guide body 31 through the liquid inlet channel 222 and the liquid inlet 212. The oil guide body 31 conducts the absorbed atomized liquid to the atomizing surface to contact the heating element 32. When the heating element 32 is energized and heats up, it heats and atomizes the contacted atomized liquid, thereby generating an inhalable aerosol in the atomizing chamber 231.

[0060] Optionally, in this embodiment, the side wall of the bracket 21 may also have a notch corresponding to the liquid inlet groove of the seal 22, which communicates with the liquid inlet 212. The upper end of the notch extends through the top surface of the bracket 21, thereby forming a liquid inlet channel 222 together with the liquid inlet groove and the inner wall of the oil cup 10.

[0061] Preferably, to ensure the liquid inlet speed and prevent insufficient oil discharge speed of the oil guide 31 from causing the heating element 32 to burn, the width of the liquid inlet channel 222 is between 0.8 and 2 mm, the length is between 2 and 8 mm, and the cross-sectional area is between 1.6 and 15 mm². 2 between.

[0062] Furthermore, the bottom assembly 40 also includes a partition 43 stacked on top of the base 41 and located between the base 41 and the support 21. An air intake channel 415 is formed between the partition 43 and the base 41. The partition 43 has an air passage 431 that communicates with the air intake channel 415 and the atomizing chamber 231 respectively. The bottom wall of the base 41 is provided with an air intake hole 412 that communicates with the air intake channel 415. When the user inhales into the inhalation port 11, the outside air first enters the air intake channel 415 between the partition 43 and the base 41, and then enters the atomizing chamber 231 through the air passage 431. After mixing with the aerosol generated by the heating element 32, it can be output through the air outlet 213, the air guide tube 12 and the inhalation port 11 in sequence for the user to inhale. This structure facilitates the setting of the air intake hole 412, allowing the air intake hole 412 to be set at any position on the bottom of the base 41.

[0063] The central axis of the air passage 431 is parallel to the central axis of the atomizer 100 and intersects with the guide surface 232. Preferably, the air passage 431 is located in the atomization chamber 231 away from the heating element 30. In this way, when the external airflow enters the atomization chamber 231 from the air inlet channel 415 through the air passage 431, it is blocked by the guide surface 232 and turned to be obliquely blown onto the heating element 32, so as to avoid the airflow entering the atomization chamber 231 through the air passage 431 directly passing through the narrowest part of the atomization chamber 231 and affecting the atomization efficiency.

[0064] Specifically, the separator 43 is a flat plate structure made of silicone or rubber. It is sealed on the upper end of the base 41 and seals the lower end of the atomizing chamber 231, so that the atomizing chamber 231 is connected to the air inlet channel 415 only through the air passage 431. When the bottom component 40 is snapped onto the bracket 21 in the horizontal direction, the separator 43 is clamped between the bracket 21 and the base 41. The upper and lower ends of the separator 43 elastically abut against the bracket 21 and the base 41, so that the bracket 21 and the base 41 are fixedly connected with a certain strength by the abutting force of the separator 43 in the vertical direction. This facilitates the subsequent installation of the air passage component 23 and the overall assembly of the atomizing component 200 into the oil cup 10. There is no need to use other fasteners to connect and fix the bracket 21 and the base 41, thus making it easy to achieve automated assembly.

[0065] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions of other embodiments.

[0066] The above is a description of the technical solution provided by the present invention. For those skilled in the art, based on the ideas of the embodiments of the present invention, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. An atomizer comprising an oil cup and an atomizing assembly, the atomizing assembly being installed in a lower end of the oil cup and forming a liquid storage cavity with the oil cup, characterized in that, The atomization assembly comprises a heating assembly, the heating assembly comprises an oil guide body arranged vertically or obliquely and a heating body attached to an atomization surface of the oil guide body; an atomization cavity is formed in the atomization assembly and connected to the atomization surface; an air inlet channel and an air outlet hole are respectively arranged at a bottom end and a top end of the atomization assembly and connected to the atomization cavity; the oil cup further comprises a gas guide pipe extending into the oil cup, and a liquid storage cavity is formed between the gas guide pipe and an inner wall of the oil cup, the air outlet hole is connected to the gas guide pipe. The atomization cavity has a flow guide surface opposite to the oil guide body, and a projection of the flow guide surface on the atomization surface is located in a heating area of the heating body or intersects with the heating area, and the flow guide surface is a bent surface or an arc surface convex to the oil guide body at a middle portion, so that a cross-sectional area of the atomization cavity gradually expands from the middle portion to the air inlet channel and the air outlet hole.

2. The atomizer of claim 1, wherein, The flow guide surface comprises a first plane / arc surface and a second plane / arc surface connected to each other in a vertical direction, and a connection between the first plane / arc surface and the second plane / arc surface is opposite to a center of a heating portion of the heating body.

3. The atomizer of claim 1 or 2, wherein, The atomization assembly comprises a receiving space, the heating assembly is arranged at one side of the receiving space, and a gas channel member is arranged in the receiving space, and the atomization cavity is formed between the gas channel member and the oil guide body.

4. The atomizer of claim 3, wherein, The heating body has a sheet structure, comprises two conductive portions and a heating portion connected between the two conductive portions, and the gas channel member is convex to the oil guide body and comprises two abutting portions, and the two abutting portions press and attach the two conductive portions to the atomization surface.

5. The atomizer of claim 4, wherein, The flow guide surface is connected between the two abutting portions, the heating area of the heating body is the range of the heating portion, and the projection of the flow guide surface on the atomization surface is located in the range of the heating portion or intersects with the range of the heating portion.

6. The atomizer of claim 5, wherein, Opposite inner sides of the two abutting portions are smoothly connected to the flow guide surface.

7. The atomizer of claim 1, wherein, An air passing hole is arranged between the air inlet channel and the atomization cavity, and a central axis of the air passing hole intersects with the flow guide surface.

8. The atomizer of claim 3, wherein, The atomization assembly further comprises a top assembly, the top assembly comprises a support and a sealing member, the support is sealingly connected to an inner wall of the oil cup through the sealing member, and a receiving space is formed in one side of the support.

9. The atomizer of claim 8, wherein, The sealing member is sleeved on a top end of the support, a side wall of the sealing member is provided with a liquid inlet channel, the liquid inlet channel and the inner wall of the oil cup jointly form a liquid inlet channel connected to the liquid storage cavity, a liquid inlet is arranged on the side wall of the support and connected to the liquid inlet channel, and a liquid suction surface of the oil guide body opposite to the atomization surface is connected to the liquid inlet.

10. The atomizer of claim 8, wherein, The atomization assembly further comprises a bottom assembly, the bottom assembly comprises a base fixed to a bottom end of the support and two electrodes arranged in the base from bottom to top, upper ends of the two electrodes extend into the receiving space and press and attach the heating body to the oil guide body.

11. The atomizer of claim 10, wherein, The bottom assembly further comprises a partition stacked to the top end of the base and located between the base and the support, the partition is a flat plate structure and forms an air inlet channel with the base, the partition is provided with air passing holes in communication with the air inlet channel and the atomizing cavity respectively, and the base is provided with an air inlet hole in communication with the air inlet channel.

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