Aerosol generating device and microwave heating component

Abstract

This utility model relates to an aerosol generating device and a microwave heating assembly. The microwave heating assembly includes: an outer conductor unit with a cavity formed on its inner side for microwave feeding; the outer conductor unit has a first end wall and a second end wall in the axial direction; the cavity is disposed between the first end wall and the second end wall; an inner conductor unit, at least partially installed in the cavity, and extending from the second end wall toward the first end wall; the inner conductor unit has a first end facing the first end wall; the gap between the first end and the first end wall defines a heating zone; the first end and the first end wall are relatively movable to adjust the electric field strength of the heating zone. This microwave heating assembly, by adjusting the relative movement of the first end wall of the outer conductor unit and the first end of the inner conductor unit, can adjust the electric field strength of the heating zone defined by the gap between the first end and the first end wall, thereby adapting to different aerosol generating matrices, reducing usage costs, and improving the user experience.

Description

Technical Field

[0001] This utility model relates to the field of aerosol generation technology, and in particular to an aerosol generating device and a microwave heating component. Background Technology

[0002] In related technologies, aerosol generating devices using microwave heating typically have a fixed electric field strength in the heating zone. Therefore, they can only be adapted to specific aerosol generating matrices. If different aerosol generating matrices are required, the heating zone with the corresponding electric field strength needs to be replaced, which increases the cost of use. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide an improved microwave heating component, and further to provide an improved aerosol generating device.

[0004] The technical solution adopted by this utility model to solve its technical problem is: to construct a microwave heating component, comprising:

[0005] An outer conductor unit has an inner cavity for microwave feeding, and the outer conductor unit has a first end wall and a second end wall in the axial direction; the cavity is disposed between the first end wall and the second end wall.

[0006] An inner conductor unit, at least partially mounted in the cavity and extending from the second end wall toward the first end wall, the inner conductor unit having a first end disposed toward the first end wall, the gap between the first end and the first end wall defining a heating zone; the first end and the first end wall are movable relative to each other to adjust the electric field strength of the heating zone.

[0007] In some embodiments, the inner conductor unit is movably disposed along the axial direction of the cavity;

[0008] And / or, the first end wall is configured to move axially along the cavity.

[0009] In some embodiments, the outer conductor unit includes an outer conductor body and an upper cover structure;

[0010] The outer conductor body is hollow inside, and an opening is provided on the outer conductor body; the second end wall is formed at one end of the outer conductor body opposite to the opening;

[0011] The upper cover structure includes a first cover and a second cover; the first cover is installed at the opening; the second cover extends from the first cover into the outer conductor body; the second cover is sealed to the inner wall of the outer conductor body.

[0012] The second cover is movable relative to the first end of the inner conductor unit; the first end wall is formed on the second cover.

[0013] In some embodiments, the first cover is provided with a through hole for the second cover to pass through;

[0014] The second cover moves along the axial direction of the outer conductor body and passes through the through hole.

[0015] In some embodiments, the outer side wall of the second cover is provided with a first external thread structure;

[0016] The inner wall of the through hole is provided with a first internal thread structure that mates with the first external thread structure.

[0017] In some embodiments, the second cover is a through-structure at both ends;

[0018] The inner conductor unit is hollow inside and has a communication port on the first end. The inner conductor unit and the second cover are connected through the communication port to form at least a partial insertion channel for the aerosol generation matrix to pass through.

[0019] In some embodiments, the microwave heating assembly includes a mounting base disposed on the side of the second end wall opposite to the cavity for mounting the inner conductor unit.

[0020] In some embodiments, the mounting base is provided with a through hole for the inner conductor unit to pass through;

[0021] The inner conductor unit has at least a portion of its sidewalls provided with a second external thread structure;

[0022] The inner wall of the through hole is provided with a second internal thread structure that mates with the second external thread structure.

[0023] In some embodiments, the side of the first end wall facing the first end is provided with a first serrated structure;

[0024] The first end has a second serrated structure, which is arranged opposite to the first serrated structure.

[0025] This invention also provides an aerosol generating device, comprising the microwave heating assembly and microwave generating unit described in this invention; the microwave heating assembly includes a microwave feed unit, which is connected to the microwave generating unit.

[0026] The aerosol generating device and microwave heating assembly of this utility model have the following beneficial effects: the microwave heating assembly can adjust the electric field strength of the heating zone defined by the gap between the first end and the first end wall by moving the first end of the outer conductor unit relative to the first end of the inner conductor unit, thereby adapting to different aerosol generating matrices, reducing the cost of use, and improving the user experience. Attached Figure Description

[0027] The present invention will be further described below with reference to the accompanying drawings and embodiments. In the accompanying drawings:

[0028] Figure 1 This is a cross-sectional view of the aerosol generating device heating the aerosol generating matrix in some embodiments of this utility model;

[0029] Figure 2 yes Figure 1 A schematic diagram of the microwave heating component of the aerosol generation device heating the aerosol generation matrix.

[0030] Figure 3 yes Figure 2 The cross-sectional view shown is of a microwave heating assembly heating aerosol to generate a matrix.

[0031] Figure 4 yes Figure 3 The diagram shows the structure of the microwave heating assembly.

[0032] Figure 5 yes Figure 4 A cross-sectional view of the microwave heating assembly shown.

[0033] Figure 6 yes Figure 4 The diagram shows an exploded view of the microwave heating assembly.

[0034] Figure 7 yes Figure 6 A schematic diagram of the outer conductor body structure of the outer conductor unit in the microwave heating assembly shown.

[0035] Figure 8 yes Figure 6 A cross-sectional view of the outer conductor body shown;

[0036] Figure 9 yes Figure 6 A schematic diagram of the second cover structure of the outer conductor unit in the microwave heating assembly shown;

[0037] Figure 10 yes Figure 6 The diagram shows the structure of the inner conductor unit in the microwave heating assembly. Detailed Implementation

[0038] 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 the orientations or positional relationships indicated by terms such as "upper," "inner," and "outer" are based on the orientations or positional relationships shown in the accompanying drawings, and are constructed and operated in a specific orientation. They are only for the convenience of describing this technical solution and do not indicate that the device or component referred to must have a specific orientation; therefore, they should not be construed as limitations on this utility model.

[0039] It should also be noted that, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "fixing," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. When an component is referred to as being "on" or "below" another component, the component can be located "directly" or "indirectly" on the other component, or there may be one or more intermediary components. The terms "first," "second," etc., are 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," etc., may explicitly or implicitly include one or more of that feature. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0040] Figure 1 Some preferred embodiments of the aerosol generating device of this invention are shown. The aerosol generating device 100 can be used to heat the aerosol generating matrix 200 to generate aerosols for users to inhale.

[0041] like Figure 2 and Figure 3As shown, in some embodiments, the aerosol generating matrix 200 can be columnar, specifically, cylindrical. In some embodiments, the aerosol generating matrix 200 may include a matrix segment 201 and a functional segment, wherein the matrix segment 201 and the functional segment are coaxially arranged. The matrix segment 201 can be a solid material made of plant leaves, flowers, and / or stems in the form of filaments, granules, columns, or sheets, and aroma components may be further added to the solid material. The functional segment may include a filter segment 203 and a cooling segment 202, wherein the cooling segment 202 is disposed at one end of the matrix segment 201, and the filter segment 203 is disposed at the end of the cooling segment 202 away from the matrix segment 201. The cooling segment 202 may be defined by the interval between the filter segment 203 and the matrix segment 201. The filter segment 203 may be a columnar filter cotton. In some embodiments, the aerosol generating matrix 200 may also include an outer packaging structure around the matrix segment 201 and the functional segment, and the outer packaging structure is not limited to paper material.

[0042] like Figures 4 to 6 As shown, in some embodiments, the aerosol generating device further includes a housing 10, a microwave heating assembly 20, and a microwave generating unit 30. The housing 10 is hollow to accommodate the microwave heating assembly 20 and the microwave generating unit 30. The microwave heating assembly 20 is connected to the microwave generating unit 30, and microwaves generated by the microwave generating unit 30 can be fed into the microwave heating assembly 20, thereby enabling the microwave heating assembly 20 to generate energy to heat the matrix segment 201 of the aerosol generating matrix 200 inserted in the microwave heating assembly 20.

[0043] In some embodiments, the housing 10 has a plug-in port 11, which can communicate with the microwave heating assembly 20. The plug-in port 11 can be used to allow at least partial insertion of the aerosol generating matrix 200 into the microwave heating assembly 20.

[0044] In some embodiments, the microwave heating assembly 20 includes an outer conductor unit 21. The outer conductor unit 21 is made of a metallic material or other highly conductive material and is used to confine microwave energy therein. In some embodiments, the outer conductor unit 21 has a cylindrical structure; in some embodiments, the outer conductor unit 21 has an irregular shape formed by partial outward or inward protrusion. In other embodiments, the outer conductor unit 21 may also have a regular shape, such as a cuboid or a cylinder.

[0045] In some embodiments, the outer conductor unit 21 is a hollow structure, and a cavity 23 for microwave feeding can be formed inside it. The outer conductor unit 21 has a first end wall 21a and a second end wall 21b in its axial direction, and the cavity 23 can be disposed between the first end wall 21a and the second end wall 21b.

[0046] In some embodiments, the outer conductor unit 21 may include an outer conductor body 211 and a cover structure 212, wherein the outer conductor body 211 may be a cylindrical structure. In some embodiments, an opening 2111 may be provided on the outer conductor body 211, and the cover structure 212 may be installed at the opening 2111, and a portion of the cover structure 212 may be inserted into the outer conductor body 211 through the opening 2111.

[0047] like Figure 7 and Figure 8 As shown, in some embodiments, the outer conductor body 211 may include a main body portion 211a, an extending protrusion 211b, a first annular flange 211c, and a second annular flange 211d. The first annular flange 211c may be disposed at one end of the main body portion 211a. The cross-sectional dimension of the first annular flange 211c may be larger than the cross-sectional dimension of the main body portion 211a. The second annular flange 211d may be disposed at the other end of the main body portion 211a. The cross-sectional dimension of the second annular flange 211d may be larger than the cross-sectional dimension of the main body portion 211a. An opening 2111 may be formed on the first annular flange 211c. In some embodiments, the cross-section of the main body portion 211a is circular, the cross-section of the first annular flange 211c is circular, and the outer diameters of the first annular flange 211c and the second annular flange 211d are larger than the outer diameter of the main body portion 211d. The extended protrusion 211b may be disposed on one side of the main body 211a and near the second annular flange 211d, and may be inclined from the side wall of the main body 211b toward the second annular flange 211d. In some embodiments, the main body 211a, the extended protrusion 211b, the first annular flange 211c, and the second annular flange 211d are integrally formed. In some embodiments, the second end wall 21b may be formed at the end of the outer conductor body 211 opposite to the opening 2111. Specifically, it may be formed on the second annular flange 211d and may be annular.

[0048] In some other embodiments, the first annular flange 211c, the second annular flange 211d, and / or the extended protrusion 211b may be omitted. The outer conductor body 211 may be a cylindrical or square tube with a smooth outer wall.

[0049] In some embodiments, a through hole 2112 may be defined on the inner side of the second end wall 21b, which can be used for the inner conductor unit 22 to be installed. In some embodiments, a first connecting through hole 2113 may be provided on the first annular flange 211c, which can be used for connection and fixation with the upper cover structure 212. In some embodiments, a mounting through hole 2114 may be provided on the outer conductor body 211, which may be provided on the extending protrusion 211b and communicate with the cavity 23 for the installation of the microwave feed unit 27.

[0050] For example Figure 5 and Figure 6 As shown, in some embodiments, the upper cover structure 212 may include a first cover body 212a. The first cover body 212a may be installed at the opening 2111 and may be connected to the first annular flange 211c. In some embodiments, the first cover body 212a may be annular and may be connected and fixed to the first annular flange 211c by providing a first connector 211d. In some embodiments, the first connector 211d may be a screw, and a first connecting through hole 2120 may be provided on the first cover body 212a. The first connecting through hole 2120 may be provided one-to-one with the first connecting through hole 2113 so that the screw can pass through and be connected and fixed to the first connecting through hole 2113. In some embodiments, a through hole 2121 may be provided on the first cover body 212a. The through hole 2121 may be located at the central axis of the first cover body 212a and may communicate with the outer conductor body 211. The through hole 2121 may allow a second cover body 212c to pass through. The second cover 212c can penetrate into the outer conductor body 211 from the first cover 212a. In some embodiments, the second cover 212c is sealed to the inner wall of the outer conductor body 211. In some embodiments, a first end wall 21a may be formed on the second cover 212c.

[0051] like Figure 9 As shown, in some embodiments, the second cover 212c is movable along the axial direction of the cavity 23, thereby allowing the first end wall 21a to be movable along the axial direction of the cavity 23. Specifically, the second cover 212c can be moved along the axial direction of the outer conductor body 211 and pass through the through hole 2121. In other embodiments, the second cover 212c may be fixed in place. The first cover 212a and the second cover 212c can be an integrally formed structure.

[0052] In some embodiments, the second cover 212c is a hollow structure with both ends open, and at least a partial channel can be formed on its inner side. Specifically, a first channel 2126 can be formed on its inner side for the aerosol generation matrix 200 to pass through. The second cover 212c may include a closing portion 2122 and a connecting portion 2124 protruding from the side of the closing portion 2122 opposite to the side of the second end wall 21b. The closing portion 2122 can be inserted into the outer conductor body 211 and can be in close contact with the inner wall of the outer conductor body 211 to achieve a seal. The outer diameter of the closing portion 2122 may be larger than the outer diameter of the connecting portion 2124, and its outer diameter may be equivalent to the inner diameter of the outer conductor body 211. A first serrated structure 2123 may be provided on the side of the closing portion 2122 facing the second end wall 21b, and the first serrated structure 2123 may protrude toward the second end wall 21b. In some embodiments, the first serrated structure 2123 and the first end wall 21a may be polished. The connecting portion 2124 can protrude from the first cover 212a. In some embodiments, the outer wall of the second cover 212c may be provided with a first external thread structure 2125, specifically, the first external thread structure 2125 may be provided on the outer wall of the connecting portion 2124. The inner wall of the through hole 2121 may be provided with a first internal thread structure that mates with the first external thread structure 2125. In some embodiments, a first connecting nut 212b may also be sleeved on the connecting portion 2124, and the first connecting nut 212b may be connected to the connecting portion 2124. In some embodiments, the through hole 2121 may not be limited to a threaded hole, and may be connected to the connecting portion 2124 by simply providing the first connecting nut 212b. In some embodiments, the first connecting nut 212b may also be omitted. By rotating the connecting part 2124, the second cover 212c can be rotated as a whole. With the cooperation of the connecting part 2124, the first connecting nut 212b, and the through hole 2121, the second cover 212c can move back and forth along the axial direction.

[0053] In some embodiments, the cover portion 2122 can be sealed to the inner wall of the outer conductor body 211 by providing a first sealing member 24. In some embodiments, the first sealing member 24 can be a sealing ring, which can be fitted onto the cover portion 2122. Of course, it is understood that in some other embodiments, the second cover 212c can also be sealed to the outer conductor body 211 by an interference fit. In some other embodiments, the first sealing member 24 can be omitted.

[0054] like Figure 5 and Figure 10As shown, in some embodiments, the microwave heating assembly 20 further includes an inner conductor unit 22. The inner conductor unit 22 may be at least partially mounted in the cavity 23 and extends from the second end wall 21b toward the first end wall 21a. In some embodiments, the inner conductor unit 22 may pass through a through-hole 2112 in the second end wall 21b into the outer conductor body 211. In some embodiments, the inner conductor unit 22 may have a first end 22a and a second end 22b in its axial direction, wherein the first end 22a may be disposed toward the first end wall 21a. The gap between the first end 22a and the first end wall 21a may define a heating zone 231. The matrix segment 201 of the aerosol generating matrix 200 may be partially inserted into the heating zone 231 for heating in the heating zone 231 and generate aerosol output.

[0055] In some embodiments, the inner conductor unit 22 may be columnar with a hollow inner side. In some embodiments, the inner conductor unit 22 may be a tubular structure with both ends open, and a second channel 220 may be defined inside the inner conductor unit 22. Of course, it is understood that in other embodiments, the inner conductor unit 22 may also be open at only one end. The inner conductor unit 22 may have a communication port 2201 on its first end 22a, through which the inner conductor unit 22 and the second cover 212c may be connected, forming at least a partial insertion channel for the aerosol generation matrix to pass through. That is, the first channel 2126 may communicate with the second channel 220 to form an insertion channel.

[0056] In some embodiments, the inner conductor unit 22 may include a first tube segment 221 and a second tube segment 222; the second tube segment 222 may be disposed at one end of the first tube segment 221, and the first tube segment 221 and the second tube segment 222 may be integrally formed. The first tube segment 221 may be inserted from the second end wall 21b and extend toward the first end wall 21a, and the first end 22a may be formed at the end of the first tube segment 221 toward the first end wall 21a. In some embodiments, the outer surface of the first tube segment 221 may be polished. The first tube segment 221 and the second tube segment 222 are disposed through each other, and the second end 22b may be formed at the end of the second tube segment 222 away from the first tube segment 221. In some embodiments, a second external thread structure 2221 may be provided on at least a portion of the sidewall of the inner conductor unit 22, and the second external thread structure 2221 may be disposed on the outer sidewall of the second tube segment 222. In some other embodiments, the second external thread structure 2221 may be omitted. In some embodiments, the first end 22a is provided with a second serrated structure 223 facing the first end wall 21a. The second serrated structure 223 may be disposed in the circumferential direction of the communication opening 2201, and the second serrated structure 223 may be disposed opposite to the first serrated structure 2123. In some embodiments, the second serrated structure 223 may be polished.

[0057] In some embodiments, the first end 22a and the first end wall 21a are movable relative to each other, thereby adjusting the electric field strength of the heating zone 231. This allows for adjustment of the electric field strength according to the inserted aerosol generating matrix 200, improving the adaptability of the aerosol generating device, reducing operating costs, and enhancing convenience. In some embodiments, the inner conductor unit 22 is movable along the axial direction of the cavity 23, allowing the first end 22a and the first end wall 21a to move closer or further apart relative to each other. It is understood that in other embodiments, the inner conductor unit 22 may be fixed, with only the first end wall 21a moving, or only the inner conductor unit 22 moving while the first end wall 21a remains stationary.

[0058] In some embodiments, the microwave heating assembly 20 may further include a mounting assembly 25 for mounting the inner conductor unit 22. The mounting assembly 25 may include a mounting base 251, a second connecting nut 252, and a second connector 253.

[0059] The mounting base 251 can be disposed on the side of the second end wall 21b opposite to the cavity 23. Specifically, the mounting base 251 can be mounted on the second annular flange 211d, and it can be connected and fixed to the second annular flange 211d by a second connector 253. The mounting base 251 may include a columnar body 251a and a sheet-like body 251b disposed on the end of the columnar body 251a facing the outer conductor unit 21. The transverse dimension of the sheet-like body 251b may be larger than the transverse dimension of the columnar body 251a. The sheet-like body 251b can fit against the end face of the second annular flange 211d. The mounting base 251 may be provided with a through hole 2510, which can extend from the sheet-like body 251b to the columnar body 251a. The through hole 2510 can be used for the inner conductor unit 22 to pass through. In some embodiments, the inner wall of the through hole 2510 may be provided with a second internal thread structure that mates with the second thread structure 2221. That is, the second tube segment 222 of the inner conductor unit 22 may be screwed to the through hole 2510, thereby allowing the inner conductor unit 22 to rotate and move axially along the cavity 23. In other embodiments, the through hole 2510 may not be limited to a threaded hole.

[0060] In some embodiments, the second connecting nut 252 may be sleeved on the second tube segment 222 of the inner conductor unit 22 to fix the inner conductor unit 22. In other embodiments, the second connecting nut 252 may be omitted.

[0061] In some embodiments, the second connector 253 can be a screw. Specifically, a second connecting through hole 2511 can be provided on the plate-shaped body 251b, and a second connecting through hole 2115 can be provided on the second annular flange 211d. The second connecting through hole 2511 and the second connecting through hole 2115 are provided in a one-to-one correspondence. The screw can pass through the second connecting through hole 2511 into the second connecting through hole 2115 and be connected and fixed to the second connecting through hole 2115, thereby fixing the mounting base 251 to the second annular flange 211d.

[0062] In some embodiments, the microwave heating assembly 20 further includes a second sealing member 26, which is sleeved on the inner conductor unit 22 and located at the through hole 2112 of the outer conductor unit 21. The second sealing member 26 seals the gap between the inner conductor unit 22 and the through hole 2112. In some embodiments, the second sealing member 26 can be a sealing ring. Of course, it is understood that in other embodiments, the second sealing member 26 is not limited to a sealing ring.

[0063] In some embodiments, the microwave heating assembly 20 further includes a microwave feed unit 27, which is mounted on the outer conductor unit 21. Specifically, it can be mounted at the mounting through hole 2114 of the outer conductor unit 21 and can be connected to the microwave generating unit 30 to feed the microwave generated by the microwave generating unit 30 into the cavity 23.

[0064] 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. A microwave heating assembly, characterized by, include: An outer conductor unit (21) has a cavity (23) formed on its inner side for microwave feeding. The outer conductor unit (21) has a first end wall (21a) and a second end wall (21b) in the axial direction. The cavity (23) is disposed between the first end wall (21a) and the second end wall (21b). An inner conductor unit (22) is at least partially installed in the cavity (23) and extends from the second end wall (21b) toward the first end wall (21a). The inner conductor unit (22) has a first end (22a) disposed toward the first end wall (21a). The gap between the first end (22a) and the first end wall (21a) defines a heating zone (231). The first end (22a) is movable relative to the first end wall (21a) to adjust the electric field strength of the heating zone (231).

2. The microwave heating assembly of claim 1, wherein, The inner conductor unit (22) is movably disposed along the axial direction of the cavity (23); And / or, the first end wall (21a) is axially movable along the cavity (23).

3. The microwave heating assembly of claim 1, wherein, The outer conductor unit (21) includes an outer conductor body (211) and an upper cover structure (212); The outer conductor body (211) is hollow inside, and an opening (2111) is provided on the outer conductor body (211); the second end wall (21b) is formed at the end of the outer conductor body (211) that is opposite to the opening (2111); The upper cover structure (212) includes a first cover (212a) and a second cover (212c); the first cover (212a) is installed at the opening (2111); the second cover (212c) extends from the first cover (212a) into the outer conductor body (211); the second cover (212c) is sealed to the inner wall of the outer conductor body (211); The second cover (212c) is movable relative to the first end (22a) of the inner conductor unit (22); the first end wall (21a) is formed on the second cover (212c).

4. The microwave heating assembly of claim 3, wherein, The first cover (212a) is provided with a through hole (2121) for the second cover (212c) to pass through; The second cover (212c) moves along the axial direction of the outer conductor body (211) and passes through the through hole (2121).

5. The microwave heating assembly according to claim 4, characterized in that, The outer wall of the second cover (212c) is provided with a first external thread structure (2125); The inner wall of the through hole (2121) is provided with a first internal thread structure that mates with the first external thread structure (2125).

6. The microwave heating assembly according to claim 3, characterized in that, The second cover (212c) has a through-hole structure at both ends; The inner conductor unit (22) is hollow inside and has a communication port (2201) on the first end (22a). The inner conductor unit (22) and the second cover (212c) are connected through the communication port (2201) to form at least a partial insertion channel for the aerosol generation matrix to pass through.

7. The microwave heating assembly according to claim 1, characterized in that, The microwave heating assembly includes a mounting base (251), which is disposed on the side of the second end wall (21b) opposite to the cavity (23) for mounting the inner conductor unit (22).

8. The microwave heating assembly according to claim 7, characterized in that, The mounting base (251) is provided with a through hole (2510) for the inner conductor unit (22) to pass through; The inner conductor unit (22) has at least a portion of its sidewalls provided with a second external thread structure; The inner wall of the through hole (2510) is provided with a second internal thread structure that mates with the second external thread structure.

9. The microwave heating assembly according to claim 1, characterized in that, The first end wall (21a) facing the first end (22a) is provided with a first serrated structure (2123); The first end (22a) has a second serrated structure (223), which is disposed opposite to the first serrated structure (2123).

10. An aerosol generating device, characterized in that, It includes the microwave heating assembly (20) as described in any one of claims 1 to 9 and the microwave generating unit (30); the microwave heating assembly (20) includes a microwave feed unit (27) connected to the microwave generating unit (30).

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