Aerosol generating device and heating assembly thereof

Abstract

An aerosol generating device (1) and a heating assembly (10) thereof. The aerosol generating device (1) comprises the heating assembly (10) and a control circuit connected to the heating assembly (10). The heating assembly (10) comprises: a tube body (11), which is capable of transmitting infrared light and has an insertion end (114) configured to be inserted into an aerosol generating product (2); a heating element (12), which is at least partially arranged in the tube body (11); a flange (14), which is sleeved on the end of the tube body (11) away from the insertion end (114), the end of the flange (14) away from the insertion end (114) having a flange end surface (1420); a support member (13), which is partially arranged in the tube body (11) and partially arranged in the flange (14), and supports the heating element (12); and a bonding structure (17), which is arranged on the flange end surface (1420) and fixes the flange (14) and the support member (13). Performing a bonding operation on the flange end surface (1420) to fix the flange (14) and the support member (13) eliminates the need for grouting a connection hole (140) of the flange (14), thus achieving easier bonding operation, and higher assembly efficiency.

Description

Aerosol-generating device and heating assembly thereof TECHNICAL FIELD

[0001] The present application relates to the technical field of atomization, and more particularly to an aerosol-generating device and a heating assembly thereof. BACKGROUND

[0002] In the aerosol-generating device of the related art, the heating assembly generally comprises a heating structure and a flange. One end of the heating structure passes through a connecting hole of the flange, and the heating structure is positioned in the aerosol-generating device through the flange. Therefore, the connection between the heating structure and the flange is crucial, which not only needs to have a certain sealing effect to prevent liquid from contaminating the power assembly, but also needs to prevent the displacement of the heating structure due to the insertion and extraction of the aerosol-generating article, and further needs to improve the assembly precision and assembly efficiency of the heating assembly in the assembly process. SUMMARY

[0003] The present application aims to solve the above-mentioned defects in the prior art, and provides an improved heating assembly and an improved aerosol-generating device.

[0004] The technical solution adopted by the present application to solve the technical problems is: a heating assembly is constructed, comprising:

[0005] a tube body capable of transmitting infrared light, the tube body having a plug-in end for plugging into an aerosol-generating article;

[0006] a heating element, at least partially disposed in the tube body;

[0007] a flange, sleeved on one end of the tube body away from the plug-in end, the flange having a flange end face on the end away from the plug-in end;

[0008] a support, partially disposed in the tube body and partially disposed in the flange, and supporting the heating element; and

[0009] an adhesive structure, disposed on the flange end face and fixing the flange and the support.

[0010] In some embodiments, the end of the support away from the plug-in end has a support end face, which is flush with the flange end face, or the support end face protrudes beyond the flange end face.

[0011] In some embodiments, the heating assembly further comprises:

[0012] an electrical lead wire, passing out of the support end face;

[0013] the adhesive structure fixing the electrical lead wire to the support.

[0014] In some embodiments, at least one slot is formed through the sidewall of the flange, and the adhesive structure is arranged in the at least one slot.

[0015] In some embodiments, at least one protrusion and / or at least one groove is arranged on the end face of the flange, and the adhesive structure is arranged at least partially in the at least one protrusion and / or the at least one groove.

[0016] In some embodiments, at least one notch is arranged on the sidewall of the support, and the adhesive structure is arranged in the at least one notch.

[0017] In some embodiments, the heat generating assembly further comprises an electric lead, and an outer surface of the support is provided with at least one channel for the electric lead to pass through,

[0018] The at least one notch is formed by a portion of the at least one channel away from the insertion end.

[0019] In some embodiments, a limiting protrusion is formed on the sidewall of the support, and a limiting groove matching the limiting protrusion is arranged on the sidewall of the flange.

[0020] In some embodiments, a gap between the support and the inner wall of the flange is less than or equal to 0.2 mm.

[0021] In some embodiments, the heat generating element comprises a heat generating body arranged in the tube body, and the heat generating body is arranged at least partially spaced apart from the tube body.

[0022] The present application also provides an aerosol generating device comprising the heat generating assembly as described above and a control circuit connected with the heat generating assembly.

[0023] The present application has at least the following beneficial effects: the flange and the support are fixed by adhesive operation on the end face of the flange, without grouting into the connecting hole of the flange, the adhesive operation is easier, and the assembly efficiency is higher. BRIEF DESCRIPTION OF DRAWINGS

[0024] The present application will be further described below with reference to the accompanying drawings and embodiments, in which:

[0025] FIG. 1 is a schematic diagram of the main structure of an aerosol generating system in some embodiments of the present application;

[0026] FIG. 2 is a schematic diagram of the three-dimensional structure of a heat generating assembly in a first embodiment of the present application;

[0027] FIG. 3 is a schematic diagram of the longitudinal cross-sectional structure of the heat generating assembly shown in FIG. 2;

[0028] FIG. 4 is a schematic diagram of the exploded structure of the heat generating assembly shown in FIG. 2;

[0029] Fig. 5 is a perspective view of the support of Fig. 4;

[0030] Fig. 6 is a bottom view of the flange in some modified embodiments of the present application;

[0031] Fig. 7 is a longitudinal sectional view of a heating assembly in a second embodiment of the present application;

[0032] Fig. 8 is an exploded view of the heating assembly of Fig. 7. DETAILED DESCRIPTION

[0033] In order to make the technical features, objectives and effects of the present application clearer, specific embodiments of the present application will be described in detail with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a number of ways beyond the specific embodiments described herein and as such, the present application is not limited to the specific embodiments disclosed below.

[0034] In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified. In addition, in the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0035] Fig. 1 shows an aerosol generating system 100 in some embodiments of the present application, which can include an aerosol generating device 1 and an aerosol generating article 2. The aerosol generating article 2 can be movably inserted into the aerosol generating device 1, which is convenient to take out and replace a new aerosol generating article 2 for continuous use after heating is completed. The aerosol generating device 1 can roast and heat the aerosol generating article 2 inserted therein after being powered on, to release aerosol extractives in the aerosol generating article 2 in a non-combustion state.

[0036] In some embodiments, the aerosol generating article 2 can be in a cylindrical shape, and in other embodiments, the aerosol generating article 2 can be in an elliptical cylindrical shape, a polygonal cylindrical shape, or other columnar shapes. The aerosol generating article 2 can include solid materials such as strips, sheets, granules, or the like, made of leaves and / or stems of plants such as tobacco or tea, and can further add aroma components in the solid materials.

[0037] The aerosol generating device 1 can include a housing 40, and a heating assembly 10, a battery 20, and a circuit board 30 received in the housing 40. The circuit board 30 is electrically connected to the heating assembly 10 and the battery 20, and has a control circuit disposed thereon for controlling the power-on and power-off of the battery 20 to the heating assembly 10. The housing 40 has a socket 41 formed on a top wall thereof, and the aerosol generating article 2 can be at least partially inserted into the housing 40 through the socket 41 for heating. The heating assembly 10 can be at least partially inserted into the aerosol generating article 2 to heat the aerosol generating article 2 by radiating infrared light, so that the aerosol generating article 2 generates aerosol for a user to smoke. The heating assembly 10 is not limited in shape, and can be in a rod shape or a sheet shape, for example.

[0038] FIGS. 2 to 5 illustrate the heating assembly 10 in the first embodiment of the present application, which can include a heating structure 19 and a flange 14. The heating structure 19 is fixed in the housing 40 by the flange 14. The heating structure 19 can include a tube 11 and a heating element 12 at least partially disposed in the tube 11. The heating element 12 includes a heating body 121 capable of radiating infrared light after being heated. The tube 11 is configured to allow the infrared light to pass therethrough, and the tube 11 covers the heating body 121, so that the infrared light radiated by the heating body 121 can pass through the tube 11 to heat the aerosol generating article 2.

[0039] In some embodiments, in the power-on state, the heating body 121 can be rapidly heated to about 1000 ℃, while the surface temperature of the tube 11 can be controlled to about 350 ℃, and the atomization temperature of the aerosol generating article 2 can be controlled to 300 ℃ to 350 ℃, so that the aerosol generating article 2 is precisely atomized mainly in the 2 μm to 4.75 μm wave band and the 8 μm to 11 μm wave band of infrared light.

[0040] In some embodiments, the tube body 11 can be a quartz tube, which is transparent to infrared light radiated by the heating element 12, and which can also be heated by thermal conduction from the heating element 12. The tube body 11 can also radiate far infrared light after being heated. Of course, in other embodiments, the tube body 11 is not limited to a quartz tube, and can also be a light-transmissive material such as transparent ceramic or diamond, which is transparent to light.

[0041] The tube body 11 has a cavity 110 for accommodating at least part of the heating element 12. The tube body 11 has a plug-in end 114 for insertion into the aerosol generating article 2, and a tube opening 113 at an end of the tube body 11 away from the plug-in end 114. The heating element 12 can be loaded into the cavity 110 through the tube opening 113. The cavity 110 can be non-sealed, and can not need to be evacuated or filled with inert gas when the heating element 12 is installed therein. Of course, in other embodiments, the cavity 110 can also be sealed, and can be evacuated or filled with inert gas when the heating element 12 is installed therein.

[0042] In some embodiments, the tube body 11 can include a main body portion 111 and a pointed top portion 112 provided at one end of the main body portion 111. The main body portion 111 can be a hollow circular tube, but in other embodiments, the main body portion 111 is not limited to a circular tube, and can also be a square tube, an oval tube, or a flat tube (a sheet), among other shapes.

[0043] The pointed top portion 112 is provided at an end of the main body portion 111 away from the tube opening 113. The pointed top portion 112 can have a conical shape, with an outer diameter gradually decreasing away from the main body portion 111. The heating assembly 10 can be conveniently inserted into the aerosol generating article 2 through the pointed top portion 112. The pointed top portion 112 can be integrally formed with the main body portion 111, but in other embodiments, the pointed top portion 112 and the main body portion 111 can be separately formed and then assembled together.

[0044] The heating element 12 can include a heating body 121 and first and second electrode leads 122 and 123 connected to two poles of the heating body 121, respectively. An outer surface of the heating body 121 is at least partially spaced apart from an inner surface of the tube body 11. In some embodiments, the entire outer surface of the heating body 121 is spaced apart from the inner surface of the tube body 11, and can radiate infrared light in an energized state. The infrared light can pass through the tube body 11 and reach the aerosol generating article 2. In other embodiments, the outer surface of the heating body 121 can be partially in contact with the inner surface of the tube body 11 and partially spaced apart therefrom.

[0045] The heat-generating body 121 can include a heat-generating base and a heat radiation layer disposed on the heat-generating base. The heat-generating base can generate heat in an energized state, and can be a heat-generating wire or a heat-generating sheet, which can be made of a metal material such as a nickel-chromium alloy (e.g., a nickel-chromium alloy wire), an iron-chromium-aluminum alloy (e.g., an iron-chromium-aluminum alloy wire), or the like, which has good high-temperature oxidation resistance, high stability, and is not easily deformed. The heat radiation layer can be an infrared layer, which can be formed on the heat-generating base under high-temperature heat treatment and can radiate infrared light after being heated. In some embodiments, the heat-generating body 121 can further include an oxidation-resistant layer disposed between the heat-generating base and the heat radiation layer. In some embodiments, the heat-generating base is subjected to high-temperature heat treatment and generates a dense oxide film on its own surface, which forms the oxidation-resistant layer.

[0046] In some embodiments, the heat-generating body 121 has an elongated structure, such as a hollow spiral structure, which can be wound or assembled by at least one heat-generating wire. Of course, in other embodiments, the spiral structure can also be formed by etching or the like on a heat-generating tube. The outer surface of the heat-generating wire can be provided with an infrared layer, and the heat-generating wire is heated to radiate infrared light after the infrared layer is heated. The heat-generating wire can be a round wire, and of course, in other embodiments, the heat-generating wire is not limited to a round wire.

[0047] In some embodiments, the heat-generating body 121 can have a single spiral structure wound by a single wire, which can include a central rod 1212 and a spiral portion 1211 wound outside the central rod 1212. The central rod 1212 can be a straight rod, which can be coaxially arranged with the spiral portion 1211 and the tube body 11, but is not limited to coaxial arrangement. The two free ends of the spiral portion 1211 are located at the two opposite axial ends, respectively. One end of the central rod 1212 (shown as the upper end) toward the pointed top 112 is connected to one end of the spiral portion 1211 toward the pointed top 112. The end of the central rod 1212 away from the pointed top 112 (shown as the lower end) can pass out of the spiral portion 1211, facilitating welding connection with the first electrode lead 122. The second electrode lead 123 is welded to the end of the spiral portion 1211 away from the pointed top 112. In this way, the first electrode lead 122 and the second electrode lead 123 are both led out from the lower end of the heat-generating body 121, which is more convenient for leading out and welding.

[0048] In some embodiments, the spiral portion 1211 of the heating body 121 can have a hollow double helix structure. Here, the double helix structure refers to a structure having two helix lines in parallel, which can be formed by folding a single heating wire in half and then double-winding it. The two free ends of the spiral portion 1211 are located at the same axial end, i.e., at the lower end or the upper end of the heating body 121. Preferably, the two free ends of the spiral portion 1211 are located at the lower end of the heating body 121, facilitating the leading out of the electrode leads. In this way, the heating body 121 can not have a central rod.

[0049] In some embodiments, the spirals of the spiral portion 1211 can be distributed at equal intervals. Of course, in other embodiments, the spirals of the spiral portion 1211 can be distributed at unequal intervals according to the temperature field distribution requirements. For example, the intervals between the spirals of the spiral portion 1211 can gradually increase or decrease from the lower end to the upper end, or the intervals between the spirals of the spiral portion 1211 at the two end portions can be smaller or larger than the interval between the spirals of the middle portion.

[0050] In some embodiments, the heating assembly 10 can further include a temperature measuring element 15 for monitoring the temperature inside the tube body 11. The temperature measuring element 15 can be a thermocouple, which can include a temperature measuring probe 151 and two temperature measuring leads 152 connected to the temperature measuring probe 151. The temperature measuring probe 151 is arranged inside the tube body 11 and can be attached to the inner wall of the tube body 11.

[0051] In some embodiments, the heating structure 19 can further include a support 13, which is at least partially mounted in the tube body 11 and supports the heating element 12 and the temperature measuring element 15. The support 13 can be in the shape of a column, which can be located below the spiral portion 1211 in the axial direction. The first electrode lead 122 and / or the second electrode lead 123 and / or the temperature measuring element 15 can pass through the support 13 or be arranged between the support 13 and the tube body 11. The end of the support 13 away from the plug-in end 114 has a support end face 138, from which the electric leads 190 (including the first electrode lead 122, the second electrode lead 123, and the two temperature measuring leads 152) can pass out, facilitating connection with the external control circuit.

[0052] The support 13 can be made of an insulating material such as ceramic, quartz, or high-temperature-resistant plastic, which can be used to insulate and separate the first electrode lead 122, the second electrode lead 123, and the two temperature measuring leads 152.

[0053] In some embodiments, at least one passage 130 can be provided on the support 13 for the first electrode lead 122 and / or the second electrode lead 123 and / or the temperature measuring element 15 to pass through. The at least one passage 130 can be provided on the outer surface of the support 13 and / or through the support 13, and can extend along the axial direction of the support 13.

[0054] In some embodiments, the at least one passage 130 can include a first passage 131, a second passage 132, and a third passage 133. The first passage 131 can extend through both ends of the support 13 along the axial direction, and can be coaxially provided on the support 13. The second passage 132 and the third passage 133 can be provided on the outer surface of the support 13, and can be respectively located on two opposite radial sides of the support 13. The first passage 131 and the second passage 132 can be respectively used for the first electrode lead 122 and the second electrode lead 123 to pass through. The third passage 133 can be used for the temperature measuring element 15 to pass through. In order to further improve the fixing effect, the electrical lead 190 and the support 13 can also be fixed by using an adhesive, so as to prevent the electrical lead 190 from being displaced due to pulling during assembly.

[0055] Of course, in other embodiments, the first electrode lead 122 and / or the second electrode lead 123 and / or the temperature measuring element 15 can also be directly fixed on the outer surface of the support 13 by directly bonding, such as by using glue, so that the first passage 131 and / or the second passage 132 and / or the third passage 133 can be omitted.

[0056] In some embodiments, a partition 135 can be provided on the support 13, which is protrudingly provided on the upper end surface of the support 13 and located between the third passage 133 and the first passage 131, and is used for separating the temperature measuring element 15 and the first electrode lead 122.

[0057] In some embodiments, a partition 134 can also be provided in the third passage 133, which is used for separating the two temperature measuring leads 152. In some embodiments, the partition 134 can be provided in the upper portion of the third passage 133, and can protrude out of the upper end surface of the third passage 133. Of course, in other embodiments, the partition 135 and / or the partition 134 can be omitted.

[0058] The flange 14 can be sleeved on the end (lower end in the figure) of the tube body 11 away from the pointed top 112, for supporting the tube body 11 and the support 13. A connecting hole 140 is formed through the flange 14, and a stepped surface 143 is formed on the inner side of the connecting hole 140. The lower end of the tube body 11 can be accommodated in the connecting hole 140 and abut against the stepped surface 143. In some embodiments, the connecting hole 140 can include a first hole portion 141 on the upper side and a second hole portion 142 on the lower side. The diameter of the first hole portion 141 can be larger than that of the second hole portion 142, so that the intersection of the first hole portion 141 and the second hole portion 142 forms the stepped surface 143.

[0059] In some embodiments, a sealing structure 16 can also be arranged between the tube body 11 and the flange 14, and at least partially arranged between the outer wall surface of the lower end of the tube body 11 and the inner wall surface of the first hole portion 141, to prevent liquid (such as condensed liquid) from contaminating components such as the battery downwardly. The sealing structure 16 can include an adhesive and / or a sealing ring. The sealing ring can be made of a sealing material such as silicone, and the tube body 11 can be in interference fit with the flange 14, so as to improve the sealing between the tube body 11 and the flange 14, and make the fixation between the tube body 11 and the flange 14 more secure. The adhesive can be, but is not limited to, a curing agent such as resin, inorganic glue, organic glue, etc. The adhesive can bond the tube body 11 and the flange 14 together, and play a role of fixation and sealing. The tube body 11 is fixed with the flange 14 by the adhesive, and then fixed in the housing 40 by the flange 14, so as to prevent the displacement of the heating structure 19 due to the insertion and extraction of the aerosol generating article 2.

[0060] The support 13 partially extends into the tube body 11 and partially extends through the flange 14. The end of the support 13 away from the pointed top 112 has a support end surface 138, and the end of the flange 14 away from the pointed top 112 has a flange end surface 1420. The support end surface 138 can be flush with the flange end surface 1420, or the support end surface 138 can extend beyond the flange end surface 1420. A gap is left between the support 13 and at least part of the inner wall of the second hole portion 142. The gap should not be too large, otherwise it is not conducive to the positioning of the support 13 in the flange 14. In some embodiments, the gap can be less than or equal to 0.2 mm.

[0061] In some embodiments, an adhesive structure 17 can be formed on the flange end surface 1420 by dispensing or other methods, to fix the flange 14 and the support 13. In this embodiment, the adhesive structure 17 is used for adhesive fixation on the flange end surface 1420, without grouting into the connecting hole 140. The adhesive operation is easier, and the assembly efficiency is higher. The adhesive of the adhesive structure 17 can be, but is not limited to, a curing agent such as resin, inorganic glue, organic glue, etc. In addition, the adhesive enters the gap between the flange 14 and the support 13 as little as possible, which can also avoid the negative effects caused by thermal expansion and contraction of the adhesive.

[0062] The adhesive structure 17 can also simultaneously adhere and fix the electric lead 190 to the support 13, preventing the electric lead 190 from being displaced due to pulling during assembly. Of course, the adhesive operation can also be performed separately on the support 13, i.e., the adhesive structure is additionally provided on the support 13 to adhere and fix the electric lead 190 to the support 13.

[0063] In some embodiments, at least one slot 1421 is provided on the side wall of the flange 14 and extends through the inner and outer sides thereof. Glue can be injected into the slot 1421 to further fix the flange 14 and the support 13. Specifically, the at least one slot 1421 can extend through the flange end face 1420 and can extend through the inner and outer sides of the flange 14 to communicate with the second hole portion 142. The adhesive structure 17 is partially provided in the at least one slot 1421 and can be adhered to the support 13 through the slot 1421 to increase the anchoring force between the adhesive structure 17 and the flange 14 and the support 13. The number of slots 1421 is not limited. For example, the slot 1421 can be one and provided on the side wall of the second hole portion 142, or the slot 1421 can be multiple and arranged in a circumferential direction on the side wall of the second hole portion 142. When the slot 1421 is multiple, the shapes and / or sizes of the multiple slots 1421 can be the same or different.

[0064] In addition, at least one notch 136 can also be provided on the side wall of the support 13 and can communicate with the flange end face 1420, so that when glue is injected at the flange end face 1420, part of the glue can flow into the notch 136 to further anchor the support 13 and the flange 14. Specifically, the notch 136 can be recessed from the outer surface of the support 13 and can extend through the support end face 138. Of course, when the support end face 138 protrudes from the flange end face 1420, the notch 136 can also not extend through the support end face 138. In the present embodiment, the notch 136 is two, which are respectively formed by a part of the second channel 132 and the third channel 133 away from the plug-in end 114, so that the number of slots on the support 13 can be reduced, and the electric lead 190 can be adhered and fixed to the support 13. Of course, in other embodiments, the notch 136 can also be independently provided.

[0065] As shown in FIG. 6, in some embodiments, at least one convex-concave structure 1422 can be further arranged on the flange end face 1420, and the adhesive structure 17 is arranged at least partially in the at least one convex-concave structure 1422, so as to increase the anchoring force between the adhesive and the flange 14 and the support 13 during dispensing. Specifically, the convex-concave structure 1422 can be a protrusion formed on the flange end face 1420; or the convex-concave structure 1422 can also be a groove formed on the flange end face 1420, and the groove can not be communicated with the connecting hole 140. The number of the convex-concave structure 1422 is not limited, and the convex-concave structure 1422 can be one or more. When the convex-concave structure 1422 is multiple, the multiple convex-concave structures 1422 can be arranged at intervals in the circumferential direction of the flange end face 1420. In addition, the multiple convex-concave structures 1422 can all be protrusions or grooves; or the multiple convex-concave structures 1422 can also be partially protrusions and partially grooves, and further, the protrusions and the grooves can be alternately distributed.

[0066] FIGS. 7 and 8 show the heat generating assembly 10 in the second embodiment of the present application, and the main difference between the first embodiment and the second embodiment is that in the second embodiment, a limiting protrusion 137 is formed on the lower end side wall of the support 13, and a limiting groove 1423 matched with the limiting protrusion 137 is arranged on the side wall of the flange 14, and during assembly, the limiting protrusion 137 is clamped and positioned in the limiting groove 1423, and then the flange end face 1420 is fixed by dispensing. The limiting protrusion 137 can effectively prevent the rotation of the support 13 caused by the pulling of the lead during the assembly process, so as to affect the assembly precision and efficiency.

[0067] The number of the limiting groove 1423 and the limiting protrusion 137 is not limited, and the limiting groove 1423 and the limiting protrusion 137 can be one or more. The limiting groove 1423 can be extended upward from the flange end face 1420, on the one hand, to facilitate the limiting protrusion 137 to enter the limiting groove 1423 from the lower side, and on the other hand, to enable part of the adhesive to flow into the limiting groove 1423 during dispensing, so as to further anchor the support 13 and the flange 14.

[0068] It can be understood that the above technical features can be used in any combination without limitation.

[0069] The above embodiments only express the specific implementation of the present application, and the description is more specific and detailed, but it cannot be understood as the limitation of the patent scope of the present application; it should be pointed out that for ordinary skilled in the art, the above technical features can be freely combined without departing from the concept of the present application, and some modifications and improvements can be made, which all belong to the protection scope of the present application; therefore, any equivalent transformation and modification within the scope of the claims of the present application shall belong to the scope of the claims of the present application.

Claims

1. A heat generating component, characterized by The heating assembly comprises: a tube body (11) capable of transmitting infrared light, the tube body (11) having a plug end (114) for inserting into an aerosol generating article (2); a heating element (12) at least partially arranged in the tube body (11); a flange (14) sleeved on an end of the tube body (11) away from the plug end (114), the end of the flange (14) away from the plug end (114) having a flange end face (1420); a support member (13) partially arranged in the tube body (11) and partially arranged in the flange (14), and supporting the heating element (12); and an adhesive structure (17) arranged on the flange end face (1420) and fixing the flange (14) and the support member (13).

2. The heat generating component of claim 1, wherein, The end of the support member (13) away from the plug end (114) has a support member end face (138), the support member end face (138) being flush with the flange end face (1420), or the support member end face (138) extending beyond the flange end face (1420).

3. The heat generating assembly of claim 2, wherein, The heating assembly further comprises: an electric lead (190) passing through the support member end face (138); the adhesive structure (17) fixing the electric lead (190) to the support member (13).

4. The heat generating component of claim 1, wherein, At least one slot (1421) is provided through a side wall of the flange (14), and the adhesive structure (17) is partially arranged in the at least one slot (1421).

5. The heat generating component of claim 1, wherein, At least one protrusion and / or at least one groove is provided on the flange end face (1420), and the adhesive structure (17) is at least partially arranged in the at least one protrusion and / or the at least one groove.

6. The heat generating component of claim 1, wherein, At least one notch (136) is provided on a side wall of the support member (13), and the adhesive structure (17) is partially arranged in the at least one notch (136).

7. The heat generating assembly of claim 6, wherein, The heating assembly further comprises an electric lead (190), and an outer surface of the support member (13) is provided with at least one passage (130) for the electric lead (190) to pass through, the at least one notch (136) being formed by a portion of the at least one passage (130) away from the plug end (114).

8. The heat generating component according to any of claims 1-7, characterized by A limiting protrusion (137) is protruded on a side wall of the support member (13), and a limiting groove (1423) matching the limiting protrusion (137) is provided on a side wall of the flange (14).

9. A heat generating component according to any of claims 1-7, characterized in that The heating element (12) comprises a heating body (121) arranged in the tube body (11), and the heating body (121) is at least partially spaced apart from the tube body (11).

10. An aerosol-generating device comprising: The heating assembly comprises a heating assembly according to any one of claims 1 to 9 and a control circuit connected to the heating assembly.

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