Aerosol-generating device

Abstract

The utility model discloses an aerosol generating device. The aerosol generating device comprises a support, an outer pipe, first mucilage glue, an inner pipe, a first electrode and a second electrode, the support is provided with a mounting groove, and one end of the outer pipe is inserted into the mounting groove and faces the bottom face of the mounting groove; the first adhesive is arranged in the mounting groove and adheres the groove wall of the mounting groove and the outer pipe; the inner pipe is sleeved with the outer pipe; the first electrode extends into the inner tube and is partially exposed out of the inner tube, the second electrode is arranged in the outer tube and covers the end face, extending into the outer tube, of the inner tube, and the first electrode and the second electrode are opposite and spaced in the inner tube. The support and the outer tube are bonded through the first mucilage glue, so that buffering between the outer tube and the support is enhanced, the risk of breakage of the outer tube is reduced, and the anti-falling performance of the aerosol generating device is improved. In addition, the groove wall of the mounting groove and the outer pipe are bonded through the first mucilage glue, the sag of the outer pipe can be improved, and the center position of the outer pipe is kept as far as possible without eccentricity.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of heat-not-burn, and more particularly, to an aerosol generating device. BACKGROUND

[0002] An aerosol generating device is a small electronic device that heats an aerosol generating substrate to generate an aerosol by a heat-not-burn method. To improve insulation and heat resistance, the aerosol generating device usually includes a tube body of quartz or ceramic material. However, the tube body of quartz or ceramic material has low bending strength, and is easily broken, especially in the case of a drop or external impact, thereby easily causing the device to fail. SUMMARY

[0003] The aerosol generating device according to embodiments of the present application is provided to at least solve the problem of easy breakage of the outer tube.

[0004] The aerosol generating device according to embodiments of the present application includes a bracket, an outer tube, a first adhesive, an inner tube, a first electrode, and a second electrode. The bracket is provided with a mounting groove, and one end of the outer tube is inserted into the mounting groove and faces the bottom surface of the mounting groove. The first adhesive is disposed in the mounting groove and adheres the groove wall of the mounting groove and the outer tube. The inner tube is sleeved in the outer tube. The first electrode extends into the inner tube and is partially exposed outside the inner tube. The second electrode is disposed in the outer tube and covers the end surface of the inner tube extending into the outer tube. The first electrode and the second electrode are opposite and spaced apart in the inner tube.

[0005] In the aerosol generating device according to embodiments of the present application, the first electrode and the second electrode serve as a heat source, and can generate plasma by discharging in the inner tube when electricity is applied. The first adhesive adheres the bracket and the outer tube, thereby enhancing the cushioning between the outer tube and the bracket, reducing the risk of breakage of the outer tube, and improving the drop resistance of the aerosol generating device. In addition, the first adhesive adheres the groove wall of the mounting groove and the outer tube, thereby improving the sag of the outer tube and maintaining the central position of the outer tube as much as possible without eccentricity.

[0006] In some embodiments, the bracket is provided with a receiving groove facing in the opposite direction of the mounting groove along the axial direction of the outer tube. The bottom surface of the mounting groove is formed with a through hole communicating the receiving groove and the mounting groove. The inner tube extends into the outer tube from the receiving groove through the through hole.

[0007] In this way, the bracket is provided with the receiving groove facing in the opposite direction of the mounting groove, and the through hole communicating the receiving groove and the mounting groove. The inner tube extends into the outer tube from the receiving groove through the through hole, thereby enabling the bracket to provide structural support for the inner tube and the outer tube, and enhancing the centering of the inner tube and the outer tube and reducing eccentricity.

[0008] In some embodiments, the aerosol generating device includes an insulating member wrapping the inner tube located in the receiving groove and at least part of the first electrode exposed outside the inner tube.

[0009] Thus, by wrapping the inner tube and the at least part of the first electrode in the accommodation groove with the insulating member, the inner tube and the first electrode can be fixed by wrapping, so that the inner tube and the first electrode can be kept relatively fixed, a modular structure is formed, and the insulation protection of the first electrode is enhanced, and the risk of high voltage breakdown is reduced. In addition, the insulating member can also provide cushioning in the case of falling or being impacted, improving the reliability of falling resistance and external force resistance.

[0010] In some embodiments, the insulating member is in interference fit with the inner tube.

[0011] Thus, by interference fit between the insulating member and the inner tube, extrusion is formed, thereby improving the connection strength of the insulating member and the inner tube, and facilitating the insulating member and the inner tube to remain as an integral module.

[0012] In some embodiments, the aerosol-generating device includes a conductive member disposed outside the inner tube, the conductive member being connected with the second electrode and extending to the insulating member, and the insulating member covering part of the conductive member, so that the conductive member and the second electrode are connected with the inner tube and the first electrode as a whole.

[0013] Thus, by covering part of the conductive member with the insulating member, the insulation strength between the conductive member and the first electrode is improved, and the risk of high voltage breakdown is reduced. At the same time, by connecting the conductive member and the second electrode with the inner tube and the first electrode as a whole, and by bonding the outer tube and the support as a whole, a modular structure is achieved, and the efficiency of assembly and production is improved.

[0014] In some embodiments, the aerosol-generating device includes a base and a second adhesive, the base being provided with a insertion slot opposite and communicating with the through hole, and the inner tube being partially inserted in the insertion slot, and the second adhesive bonding the slot wall of the insertion slot and the inner tube.

[0015] Thus, by passing the inner tube through the through hole and inserting it in the insertion slot, and by bonding the slot wall of the insertion slot and the inner tube with the second adhesive, the centering of the inner tube and the through hole is improved, and eccentricity is reduced. Moreover, the second adhesive connects the inner tube and the base as a whole, improves the degree of structural integration, and enhances the reliability of falling resistance and impact resistance.

[0016] In some embodiments, the aerosol-generating device includes a third adhesive, and the base is partially located in the accommodation groove, and the third adhesive bonds the slot wall of the accommodation groove and the base.

[0017] Thus, by bonding the slot wall of the accommodation groove and the base with the third adhesive, the base and the support can be relatively fixed, the structural strength and the degree of integration are improved, and to some extent, the relative displacement of the inner tube, the outer tube and other components under impact or falling is avoided, thereby reducing the risk of breakage of the inner tube and the outer tube.

[0018] In some embodiments, the first electrode is fixedly connected with the base outside the inner tube.

[0019] In this way, the first electrode is fixedly connected with the base, so that the first electrode, the inner tube and the base are relatively fixed, the structural strength and the integration level are improved, and the reliability is further increased.

[0020] In some embodiments, the aerosol generating device comprises an electrically conductive member arranged outside the inner tube, the electrically conductive member being connected with the second electrode and extending into the insertion slot and being bonded with the second adhesive, so that the electrically conductive member, the second electrode, the inner tube, the first electrode and the base are integrated.

[0021] In this way, the electrically conductive member is connected with the second electrode and extends into the insertion slot and is bonded with the second adhesive, so that the insulation strength between the electrically conductive member and the first electrode is improved, and the risk of high-voltage breakdown is reduced. At the same time, the electrically conductive member, the second electrode, the inner tube, the first electrode and the base are integrated, and the outer tube and the support are bonded, so that the structural modularization is realized, and the efficiency of assembly and production is improved.

[0022] In some embodiments, the length L of the region where the first adhesive is bonded with the outer tube along the axial direction of the outer tube satisfies: L≥0.5mm; and / or, the thickness D of the first adhesive along the radial direction of the outer tube satisfies: 0.05mm≤D≤2.0mm.

[0023] In this way, by setting the length L and / or the thickness D of the first adhesive within a reasonable range, the bonding stability of the outer tube and the support is ensured, the buffering effect of the first adhesive is enhanced in the case of impact on the outer tube, and the reliability is further improved.

[0024] In some embodiments, the aerosol generating device comprises a buffer member, the buffer member wrapping the end face of the outer tube located in the mounting slot, and the buffer member abutting against the slot wall of the mounting slot and / or the bottom surface of the mounting slot.

[0025] In this way, the buffer member wraps the end of the outer tube located in the mounting slot, so as to isolate the end face of the outer tube from the bottom surface of the mounting slot, and provide buffering protection in the case of falling or impact, to a certain extent, avoiding damage to the end face of the outer tube located in the mounting slot.

[0026] Additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter. BRIEF DESCRIPTION OF DRAWINGS

[0027] The above and / or additional aspects and advantages of the present application will become apparent and be readily appreciated from the following description, including the appended drawings, wherein:

[0028] Figure 1 is a structural schematic diagram of an aerosol generating device of an embodiment of the present application;

[0029] Figure 2 is a cross-sectional structure of the aerosol generating device of claim 1 along the A-A direction; Figure 1

[0030] Figure 3 is a structure diagram of a first module of the aerosol generating device according to an embodiment of the present application;

[0031] Figure 4 is a cross-sectional structure of the first module of claim 6 along the A-A direction; Figure 3

[0032] Figure 5 is a structure diagram of a second module of the aerosol generating device according to an embodiment of the present application;

[0033] Figure 6 is a cross-sectional structure of the second module of claim 13 along the A-A direction; Figure 5

[0034] Figure 7 is a structure diagram of the aerosol generating device according to another embodiment of the present application;

[0035] Figure 8 is a cross-sectional structure of the aerosol generating device of claim 19 along the B-B direction; Figure 7

[0036] is a structure diagram of a first module of the aerosol generating device according to another embodiment of the present application; Figure 9

[0037] is a cross-sectional structure of the second module of claim 26 along the B-B direction; Figure 10 Figure 9 is a structure diagram of a second module of the aerosol generating device according to another embodiment of the present application;

[0038] Figure 11 is a cross-sectional structure of the second module of claim 33 along the B-B direction.

[0039] Figure 12 Figure 11

[0040] Explanation of main element symbols:

[0041] ​​​​​​100-aerosol-generating device; 100A-first module; 100B-second module; 10-bracket; 101-mounting groove; 102-receiving groove; 1021-hollow part; 103-through hole; 14-limiting part; 20-outer tube; 21-closed end; 22-open end; 23-buffer; 30-first adhesive; 40-inner tube; 51-insulating part; 511-protruding part; 52-second adhesive; 61-first electrode; 611-rod-shaped part; 612-disc-shaped part; 613-lead wire; 62-second electrode; 621-conductive part; 6213-fixing part; 6214-electrically connecting part; 70-base; 701-slot; 80-third adhesive; 90-housing. DETAILED DESCRIPTION

[0042] Embodiments of the present application are described below in detail with reference to the accompanying drawings, wherein the same or similar components or components having the same or similar functions are denoted by the same or similar reference numerals throughout. The embodiments described below by reference to the accompanying drawings are exemplary and are for the purpose of explaining the present application only, and should not be understood as limiting the present application.

[0043] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the purpose of facilitating the description of the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be understood as limiting the present application. In addition, the terms "first", "second" are only for the purpose of description, and

[0044] should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.

[0045] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. 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.

[0046] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above" the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0047] The following disclosure provides many different embodiments or examples for implementing different structures of this application. To simplify the disclosure, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the scope of this application. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, various specific examples of processes and materials are provided in this application, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0048] Please see Figure 1 The aerosol generating device 100 is a structure capable of generating aerosols by applying heat to an aerosol generating matrix through resistance heating, electromagnetic heating, microwave heating, laser irradiation, infrared light irradiation, ultrasound, or mechanical vibration. The aerosol generating matrix is ​​a plant flower, stem, or leaf product that has been treated and heated to produce aerosols. The aerosol generating matrix can be in a fully solid, semi-solid, or liquid state. When the aerosol generating matrix is ​​fully solid, it can be prepared using processes such as rolling, slurry preparation, die casting, or extrusion. The aerosol generating matrix can have a cylindrical structure, or a sheet, strip, or block structure.

[0049] Aerosol generating matrix is ​​atomized by heating to form aerosols. Aerosols can be visible or invisible and may include vapors (e.g., fine particulate matter in a gaseous state, which are typically liquid or solid at room temperature) as well as liquid droplets of gas and condensed vapor. Users can inhale aerosols into their mouth, nasal cavity, or lungs through their mouth or nose. Aerosols inhaled into the user's respiratory system can be used for various purposes such as food, medicine, health care, and recreation.

[0050] Please see Figures 2-4The aerosol generating device 100 of the embodiment of the present application comprises a support 10, an outer tube 20, a first adhesive 30, an inner tube, a first electrode and a second electrode, wherein the support 10 is provided with a mounting groove 101, one end of the outer tube 20 is inserted into the mounting groove 101 and faces the bottom surface of the mounting groove 101; the first adhesive 30 is arranged in the mounting groove 101 and bonds the groove wall of the mounting groove 101 and the outer tube 20; the inner tube 40 is sleeved in the outer tube 20; the first electrode 61 extends into the inner tube 40 and partially exposes outside the inner tube 40, and the second electrode 62 is arranged in the outer tube 20 and covers the end surface of the inner tube 40 extending into the outer tube 20, and the first electrode 61 and the second electrode 62 are opposite and spaced apart in the inner tube 40.

[0051] In the aerosol generating device 100 of the embodiment of the present application, the support 10 and the outer tube 20 are bonded by the first adhesive 30, so as to enhance the buffering between the outer tube 20 and the support 10, reduce the risk of breakage of the outer tube 20 and improve the drop resistance of the aerosol generating device 100. In addition, the groove wall of the mounting groove 101 and the outer tube 20 can be bonded by the first adhesive 30, so as to improve the sag of the outer tube 20 and as far as possible maintain the central position of the outer tube 20 without eccentricity.

[0052] It should be noted that the first electrode 61 and the second electrode 62 of the embodiment of the present application serve as the heat source of the aerosol generating device 100, can generate plasma by discharging in the inner tube when connected to electricity, and generate a large amount of heat during the discharging process.

[0053] Specifically, the outer tube 20 is a hollow tube body, one of the two axial ends of the outer tube 20 is a closed end 21, and the other end is an open end 22, and the open end 22 is formed with an opening and located in the mounting groove 101. During the heating process, the outer tube 20 needs to be inserted into the aerosol generating substrate. In order to facilitate the insertion and removal of the outer tube 20, the closed end 21 can be provided in a tapered shape.

[0054] In the direction perpendicular to the axial direction of the outer tube 20, the outer profile shape of the cross section of the outer tube 20 can be triangular, quadrilateral, pentagonal, other polygonal, circular, elliptical, star-shaped or other irregular shape, etc., and the present application does not limit this. In order to improve the structural stability of the outer tube 20 and facilitate molding, the inner and outer profiles of the cross section of the outer tube 20 can be the same shape. For example, the cross section of the outer tube 20 is a circular ring shape. In other embodiments, the inner profile shape of the cross section of the outer tube 20 can also be a plurality of shapes different from the outer profile shape.

[0055] The outer tube 20 can be made of a material with high insulation and heat resistance, for example, the outer tube 20 can be made of quartz, ceramic, glass and the like.

[0056] The bracket 10 can be a box-shaped or a tripod-shaped structure, and the mounting groove 101 can be an open groove. The opening of the mounting groove 101 faces the closed end 21 of the outer tube 20. The open end 22 of the outer tube 20 is accommodated in the mounting groove 101. The end face of the open end 22 can be in direct contact with the bottom face of the mounting groove 101, or spaced apart from the bottom face of the mounting groove 101. The bottom face of the mounting groove 101 can be a flat face or a curved face.

[0057] Taking the axial direction of the outer tube 20 as the vertical direction, the outer tube 20 can be vertically inserted into the mounting groove 101. The outer tube 20 can be inserted into the mounting groove 101 or the bracket 10 at a position along the transverse direction, and the geometric center of the cross section of the outer tube 20 is collinear with the geometric center of the cross section of the mounting groove 101 (or the bracket 10) in the vertical direction. For example, the mounting groove 101 is a circular groove, and the cross section of the outer tube 20 is concentric with the mounting groove 101. Such an arrangement can ensure that the stress distribution is more uniform in the transverse direction in the case of external force impact, facilitating dispersion and thus reducing the risk of fracture.

[0058] The first adhesive 30 can be formed by pouring a flowable adhesive between the outer tube 20 and the groove wall of the mounting groove 101 and then solidifying. The adhesive used in the first adhesive 30 can be epoxy glue. The adhesive can fully cover the groove wall of the mounting groove 101 and the outer wall surface of the outer tube 20 during pouring, and fully fill the gap between the groove wall of the mounting groove 101 and the outer tube 20, thereby ensuring stable adhesion after solidification. In the case of falling or external force impact, the outer tube 20 and the bracket 10 are not prone to relative displacement, the outer tube 20 is stably supported, and the anti-falling reliability is high.

[0059] Due to the surface tension of the liquid, the end face of the first adhesive 30 located at the opening of the mounting groove 101 can form a concave surface concave toward the bottom face of the mounting groove 101 after the adhesive solidifies.

[0060] In some embodiments, the end face of the open end 22 can be in direct contact with the bottom face of the mounting groove 101, and the first adhesive 30 can cover the groove wall and the bottom face of the mounting groove 101, and the outer wall surface of the outer tube 20 extending into the mounting groove 101, and adhere the groove wall, the bottom face of the mounting groove 101, and the outer wall surface of the outer tube 20.

[0061] In other embodiments, the end face of the open end 22 is spaced apart from the bottom face of the mounting groove 101, and the first adhesive 30 covers the groove wall and the bottom face of the mounting groove 101, the outer wall surface of the outer tube 20 extending into the mounting groove 101, and the end face of the open end 22. The first adhesive 30 is filled between the groove wall, the bottom face of the mounting groove 101, and the outer tube 20 and adheres the bracket 10 and the outer tube 20.

[0062] In some embodiments, the end face of the open end 22 is spaced apart from the bottom face of the mounting groove 101 by the buffer 23, the first adhesive 30 covers part of the groove wall of the mounting groove 101 and the outer wall face of the outer tube 20 extending into the mounting groove 101, and the first adhesive 30 bonds the groove wall of the mounting groove 101 and the outer wall face of the outer tube 20.

[0063] Optionally, the first electrode 61 is in the form of a needle or an elongated rod. The first electrode 61, the inner tube 40 and the outer tube 20 can be coaxially arranged in sequence. The first electrode 61 corresponds to the end portion of the open end 22 and is exposed outside the outer tube 20 and located in the accommodation groove 102, and the insulating member 51 is located in the accommodation groove 102 and wraps the end portion of the first electrode 61.

[0064] The second electrode 62 can be in the form of a disc, a sheet, a cone or the like. The second electrode 62 covers the end face of the inner tube 40 extending into the outer tube 20, and the second electrode 62 can be close to or located in the closed end 21. The inner tube 40 is a hollow structure, and the first electrode 61 and the second electrode 62 are opposite along the axial direction of the inner tube 40 and generate plasma in the opposite interval of the inner tube 40 when energized, thereby heating the aerosol generating substrate.

[0065] Referring to Figure 2 , Figure 4 and Figure 10 , in some embodiments, the support 10 is provided with the accommodation groove 102, the accommodation groove 102 is opposite to the mounting groove 101 along the axial direction of the outer tube 20, the bottom face of the mounting groove 101 is formed with the through hole 103, the through hole 103 communicates the accommodation groove 102 and the mounting groove 101, and the inner tube 40 extends into the outer tube 20 from the accommodation groove 102 through the through hole 103.

[0066] In this way, the support 10 forms the accommodation groove 102 opposite to the mounting groove 101, forms the through hole 103 communicating the accommodation groove 102 and the mounting groove 101, and the inner tube 40 extends into the outer tube 20 from the accommodation groove 102 through the through hole 103, so that the support 10 can provide structural support for the inner tube 40 and the outer tube 20, and enhance the centering property of the inner tube 40 and the outer tube 20, and reduce the eccentricity.

[0067] Specifically, the accommodation groove 102 is an open groove, and the opening of the accommodation groove 102 is opposite to the opening of the mounting groove 101. The bottom faces of the accommodation groove 102 and the mounting groove 101 can be located on opposite sides of the same structure, and the through hole 103 penetrates the bottom faces of the mounting groove 101 and the accommodation groove 102 along the axial direction of the inner tube 40. The inner tube 40 can be coaxial with the outer tube 20, and the inner tube 40 extends into the outer tube 20 through the through hole 103 and the opening of the open end 22. Both end portions of the inner tube 40 in the axial direction have openings, and the openings of the two end portions of the inner tube 40 are communicated. One end portion of the inner tube 40 is close to the closed end 21, and the other end portion of the inner tube 40 is located in the accommodation groove 102.

[0068] The end of the inner tube 40 located in the receiving groove 102 can be fixedly connected to the bracket 10 by a soft rubber sleeve or adhesive.

[0069] Please see Figure 2 , Figure 5 and Figure 6 In some embodiments, the aerosol generating apparatus 100 includes an insulating member 51 that encloses an inner tube 40 located in a receiving groove 102 and a portion of the surface of a first electrode 61 exposed outside the inner tube 40.

[0070] Thus, by wrapping the inner tube 40 and at least part of the first electrode 61 located in the receiving groove 102 with the insulating component 51, the inner tube 40 and one end of the first electrode 61 are fixed in a wrapped manner, so that the inner tube 40 and the first electrode 61 can remain relatively fixed, forming a modular structure, and enhancing the insulation protection of the first electrode 61, reducing the risk of high voltage breakdown. In addition, the insulating component 51 can also provide cushioning in the event of a drop or impact, improving the reliability of drop resistance and external force resistance.

[0071] Specifically, the insulating member 51 can be a flexible sleeve made of insulating material, such as a soft rubber sleeve. The insulating member 51 can be accommodated in the receiving groove 102, or it can cooperate with the wall of the receiving groove 102 to further fix the inner tube 40 and the support 10. For example, a protrusion 511 is formed on the outer peripheral surface of the insulating member 51, and a hollow portion 1021 is formed on the wall of the receiving groove 102. The protrusion 511 extends into the hollow portion 1021, so that the insulating member 51 is engaged with the support 10 and plays a certain role in limiting its position.

[0072] Please see Figure 2 and Figure 6 In some embodiments, the insulating element 51 is interference-fitted with the inner tube 40.

[0073] Thus, by interfering with the inner tube 40 through the insulating component 51, a compression is formed, thereby improving the connection strength between the insulating component 51 and the inner tube 40, which is conducive to keeping the insulating component 51 and the inner tube 40 as an integral module.

[0074] Specifically, the insulating component 51 is a soft rubber sleeve fitted onto the end of the inner tube 40 located in the receiving groove 102, and the interference range of the insulating component 51 and the outer wall surface of the inner tube 40 is 0-0.2mm.

[0075] Optionally, the first electrode 61 includes a rod-shaped portion 611 that passes through the inner tube 40 and a disc-shaped portion 612 disposed outside the inner tube 40. The disc-shaped portion 612 can be sleeved on the rod-shaped portion 611 located outside the inner tube 40 to provide a central limiting function for the rod-shaped portion 611 and improve structural stability.

[0076] Optionally, the insulating member 51 wraps the disc-shaped portion 612 and part of the rod-shaped portion 611 to strengthen the integrity of the first electrode 61 and the inner tube 40 and to improve the insulation strength. Further, the insulating member 51 is in interference fit with the disc-shaped portion 612 and the rod-shaped portion 611.

[0077] Optionally, the interference range between the insulating member 51 and the first electrode 61 is 0.05mm-0.2mm.

[0078] Optionally, the end of the first electrode 61 away from the second electrode 62 can be connected with a lead wire 613, which is inserted into the slot of the accommodating slot 102 and extends to a power supply circuit (not shown) to supply power to the first electrode 61.

[0079] Please refer to Figure 2 , Figure 5 and Figure 6 In some embodiments, the aerosol-generating device 100 includes a conductive member 621 disposed outside the inner tube 40, the conductive member 621 being connected with the second electrode 62 and extending to the insulating member 51, and the insulating member 51 wrapping part of the conductive member 621 to integrate the conductive member 621, the second electrode 62, the inner tube 40, and the first electrode 61.

[0080] In this way, by wrapping part of the conductive member 621 with the insulating member 51, the insulation strength between the conductive member 621 and the first electrode 61 is improved, and the risk of high-voltage breakdown is reduced. At the same time, by integrating the conductive member 621, the second electrode 62, the inner tube 40, and the first electrode 61, and by bonding the outer tube 20 and the support 10 as a whole, the structural modularity is achieved, and the efficiency of assembly and production is improved.

[0081] Specifically, the second electrode 62 is powered through the conductive member 621. The conductive member 621 and the second electrode 62 can be a split structure and fixedly connected, or can be an integrally formed whole component. The conductive member 621 can be a conductive wire or a conductive film layer attached to the outer surface of the inner tube 40. The conductive member 621 is connected with the second electrode 62 at a section close to the closed end 21 and extends along the axial direction of the inner tube 40 to the open end 22, and the conductive member 621 can partially extend out of the open end 22. The part of the conductive member 621 extending out of the open end 22 includes a fixed portion 6213 and a power connection portion 6214. The fixed portion 6213 can surround the inner tube 40 and be partially inserted between the wall surface of the inner tube 40 and the insulating member 51, and be in extrusion connection with the insulating member 51. The power connection portion 6214 forms a fold at the open end 22, extends in a direction away from the first electrode 61, and is connected to a power supply circuit (not shown).

[0082] In some embodiments, the aerosol-generating device 100 can be modularly assembled by the following process: first, the support 10 and the outer tube 20 are connected as a whole through the first adhesive 30 to form a structure as shown inFigure 3 The first module 100A is shown; then the whole part formed by connecting the first electrode 61, the second electrode 62 and the conductive piece 621 is assembled with the inner tube 40 base 70, and the inner tube 40, the first electrode 61 and the end of the conductive piece 621 located in the accommodation groove 102 are wrapped together by the insulating piece 51 to form a structure as shown in Figure 5 The second module 100B is shown; finally, the inner tube 40 and the second electrode 62 are inserted into the outer tube 20, the insulating piece 51 is accommodated in the accommodation groove 102 and can be limitedly matched with the support 10, so that the first module 100A and the second module 100B are fixedly connected.

[0083] Please refer to Figure 1 and Figure 2 In some embodiments, the aerosol generating device 100 further includes a shell 90, which can be fixedly connected with the insulating piece 51, so that the insulating piece 51 can isolate the inner tube 40 from the shell 90 in case of falling or external force impact, etc., reducing or avoiding the relative vibration of the first electrode 61, the second electrode 62, the conductive piece 621, and the inner tube 40 and the outer tube 20, etc. when impacted with the shell 90, thereby reducing the risk of breakage of the inner tube 40, the outer tube 20 and heating failure.

[0084] Optionally, as shown in Figure 1 The support 10 is provided with a limiting portion 14 which can be clamped and connected with the shell 90.

[0085] Please refer to Figure 7 , Figure 8 and Figure 12 In some embodiments, the aerosol generating device 100 includes a base 70 and a second adhesive 52, the base 70 is provided with a slot 701 opposite and communicating with the through hole 103, and the inner tube 40 is partially inserted in the slot 701, and the second adhesive 52 is bonded to the slot wall of the slot 701 and the inner tube 40.

[0086] In this way, by passing through the through hole 103 and being inserted in the slot 701, the second adhesive 52 is bonded to the slot wall of the slot 701 and the inner tube 40, thereby improving the centering of the inner tube 40 with the through hole 103 and reducing eccentricity, and the second adhesive 52 makes the inner tube 40 and the base 70 connected as a whole, improving the degree of structural integration and enhancing the reliability of drop resistance and impact resistance.

[0087] Specifically, the second adhesive 52 can be an adhesive with fluidity filled between the insertion groove 701 and the inner tube 40 and then solidified to form. The adhesive can be an epoxy resin glue. The base 70 can be at least partially accommodated in the accommodating groove 102, and an end surface of the base 70 can abut against a bottom surface of the accommodating groove 102. In a direction in which the open end 22 of the outer tube 20 points to the closed end 21, the direction is a direction from bottom to top, and the inner tube 40 can pass through the insertion groove 701 (at the same time passing through the accommodating groove 102), the through hole 103, the mounting groove 101 in sequence from bottom to top and partially extend into the outer tube 20.

[0088] Referring to Figure 8 In some embodiments, the aerosol generating device 100 includes a third adhesive 80, the base 70 is partially located in the accommodating groove 102, and the third adhesive 80 bonds the groove wall of the accommodating groove 102 and the base 70.

[0089] In this way, the groove wall of the accommodating groove 102 and the base 70 are bonded by the third adhesive 80, so that the base 70 and the support 10 can be relatively fixed, the structural strength and the integration degree are improved, and the relative displacement of the inner tube 40, the outer tube 20 and other components under impact or falling and the like is avoided to some extent, thereby reducing the risk of breakage of the inner tube 40 and the outer tube 20.

[0090] Specifically, the third adhesive 80 can be made of an adhesive with the same or different composition as the first adhesive 30 and the second adhesive 52. For example, the third adhesive 80 is also an epoxy resin glue filled between the groove wall of the accommodating groove 102 and the base 70 and then solidified to form.

[0091] In some embodiments, the aerosol generating device 100 can be modularly assembled by the following process: first, the support 10 and the outer tube 20 are connected into one body by the first adhesive 30 to form a first module 100A as shown in Figure 9 Then, the whole part formed by connecting the first electrode 61, the second electrode 62 and the conductive piece 621, the inner tube 40 and the base 70 are assembled together, and the inner tube 40, the first electrode 61, the conductive piece 621 and the base 70 are bonded into one body by the second adhesive 52 to form a second module 100B as shown in Figure 11 Finally, the inner tube 40 and the second electrode 62 are inserted into the outer tube 20, the base 70 is partially accommodated in the accommodating groove 102, the first module 100A and the second module 100B are nested together, and the base 70 and the groove wall of the accommodating groove 102 are bonded by the third adhesive 80, so that the first module 100A and the second module 100B are fixedly connected.

[0092] In this embodiment, the degree of modularization of components is high, the assembly operability is relatively strong, the assembly is relatively simple, efficient, stable and reliable in structure.

[0093] Referring toFigure 8 、 Figure 11 and Figure 12 In some embodiments, the first electrode 61 is fixedly connected to the base 70 outside the inner tube 40.

[0094] In this way, the first electrode 61 is fixedly connected to the base 70, so that the first electrode 61, the inner tube 40 and the base 70 are relatively fixed, the structural strength and integration degree are improved, and the reliability is further increased.

[0095] As described above, the first electrode and the second electrode 62 discharge in the inner tube 40 and generate plasma when connected to electricity. In the case that the first electrode 61 and the second electrode 62 are connected to high voltage, high-strength insulation protection is required between the first electrode 61 and the second electrode 62. The first electrode 61 is fixedly connected to the base 70, and the base 70 can be made of a material with high insulation strength, so as to facilitate the base 70 and the inner tube 40 to jointly insulate the non-discharge end of the first electrode 61, and avoid the discharge phenomenon of the part of the first electrode 61 exposed outside the inner tube 40.

[0096] Optionally, the first electrode 61 includes a rod-shaped portion 611 penetrating the inner tube 40 and a disc-shaped portion 612 arranged outside the inner tube 40, the disc-shaped portion 612 can be sleeved on the rod-shaped portion 611 outside the inner tube 40, the insertion slot 701 can be funnel-shaped, the diameter of the insertion slot 701 is wider at both ends in the axial direction of the inner tube 40 and narrower in the middle, the two parts with wider diameter of the insertion slot 701 accommodate the second adhesive 52 and the disc-shaped portion 612 respectively, and the inner tube 40 can be inserted into the narrower interval between the two parts, and separate the second adhesive 52 and the disc-shaped portion 612, so as to strengthen the insulation isolation between the disc-shaped portion 612 and the conductive member 621.

[0097] Please refer to Figure 8 、 Figure 11 and Figure 12 In some embodiments, the aerosol generating device 100 includes a conductive member 621 arranged outside the inner tube 40, the conductive member 621 is connected to the second electrode 62 and extends into the insertion slot 701 and is bonded to the second adhesive 52, so as to connect the conductive member 621, the second electrode 62, the inner tube 40, the first electrode 61 and the base 70 into an integrated whole.

[0098] In this way, the conductive member 621 is connected to the second electrode 62 and extends into the insertion slot 701 and is bonded to the second adhesive 52, so as to improve the insulation strength between the conductive member 621 and the first electrode 61, and reduce the risk of high-voltage breakdown. At the same time, the conductive member 621, the second electrode 62, the inner tube 40, the first electrode 61 and the base 70 are connected into an integrated whole, and the outer tube 20 and the support 10 are bonded into an integrated whole, so as to realize structural modularization and improve the efficiency of assembly and production.

[0099] Specifically, the conductive member 621 can be a conductive wire or a conductive film layer attached to the outer surface of the inner tube 40.

[0100] The conductive member 621 is connected to the second electrode 62 at a section close to the closed end 21 and extends along the axial direction of the inner tube 40 to the open end 22. The conductive member 621 can partially extend out of the open end 22. The end of the conductive member 621 extending out of the open end 22 and away from the second electrode 62 can wrap around the inner tube 40 and adhere to the outer wall surface of the inner tube 40. The second adhesive 52 bonds the end of the conductive member 621 to the outer wall surface of the inner tube 40 and also bonds the end of the conductive member 621 to the slot wall of the insertion slot 701.

[0101] Please refer to Figure 4 and Figure 10 In some embodiments, the length L of the region where the first adhesive 30 is bonded to the outer tube 20 along the axial direction of the outer tube 20 satisfies: L≥0.5mm; and / or, the thickness D of the first adhesive 30 along the radial direction of the outer tube 20 satisfies: 0.05mm≤D≤2.0mm.

[0102] In this way, by setting the length L and / or the thickness D of the first adhesive 30 within a reasonable range, the bonding stability of the outer tube 20 to the stent 10 is ensured, the buffering effect of the first adhesive 30 is enhanced in the case of impact on the outer tube 20, and the reliability is improved.

[0103] Specifically, the region where the first adhesive 30 is bonded to the outer tube 20 and to the slot wall of the mounting slot 101 along the axial direction of the outer tube 20 substantially coincides, but the first adhesive 30 is prone to form a depression at the slot opening of the mounting slot 101 during the curing process, so that the edge position of the first adhesive 30 bonded to the outer tube 20 is not completely flush with the slot opening of the mounting slot 101, that is, along the axial direction of the outer tube 20, the length of the first adhesive 30 bonded to the outer tube 20 and the length of the first adhesive 30 bonded to the slot wall of the mounting slot 101 are close but not exactly the same. The length L of the region where the first adhesive 30 is bonded to the outer tube 20 along the axial direction of the outer tube 20 is greater than or equal to 0.5mm, and the length of the region where the outer tube 20 is bonded to the slot wall of the mounting slot 101 along the axial direction of the outer tube 20 is also substantially greater than 0.5mm.

[0104] Further, the length L of the region where the first adhesive 30 is bonded to the outer tube 20 along the axial direction of the outer tube 20 satisfies: 1.5mm≤L≤4.0mm. For example, the length L of the region where the first adhesive 30 is bonded to the outer tube 20 along the axial direction of the outer tube 20 can be 1.5mm, 1.85mm, 2.1mm, 3.3mm, 3.7mm, 4.0mm, etc.

[0105] It is appreciated that the first adhesive 30 can be formed by pouring and curing of an adhesive, and the thickness of the first adhesive 30 along the radial direction of the outer tube 20 is approximately equal to the distance between the outer wall surface of the outer tube 20 and the groove wall of the mounting groove 101 along the radial direction of the outer tube 20. The first adhesive 30 can have different thicknesses along different radial directions of the outer tube 20. In order to improve the stability of the structure and the circumferential uniformity of the temperature field, the outer tube 20 can have the same cross-sectional shape as the mounting groove 101 and be inserted at the center position of the mounting groove 101, so that the thickness D of the first adhesive 30 along the radial direction of the outer tube 20 is uniform in the circumferential direction.

[0106] For example, the thickness D of the first adhesive 30 along the radial direction of the outer tube 20 is uniform in the circumferential direction, and the thickness D of the first adhesive 30 along the radial direction of the outer tube 20 can be 0.05 mm, 0.08 mm, 0.14 mm, 1.3 mm, 1.6 mm, 2.0 mm, etc.

[0107] Referring to Figure 2 and Figure 8 In some embodiments, the aerosol-generating device 100 includes a buffer 23 wrapping the end surface of the outer tube 20 located in the mounting groove 101, and the buffer 23 abuts against the groove wall of the mounting groove 101 and / or the bottom surface of the mounting groove 101.

[0108] In this way, by wrapping the end of the outer tube 20 located in the mounting groove 101 with the buffer 23, the end surface of the outer tube 20 is isolated from the bottom surface of the mounting groove 101, and buffer protection is provided in the case of falling or being impacted, to a certain extent avoiding damage to the end surface of the outer tube 20 located in the mounting groove 101.

[0109] Specifically, the buffer 23 can be a soft rubber sleeve wrapping the end surface of the open end 22 and abutting against the bottom surface and the groove wall of the mounting groove along the axial direction and the radial direction of the outer tube 20, respectively. The buffer 23 has a certain flexibility or elasticity and can be compressed and form a buffer in the case of falling or being impacted of the aerosol-generating device 100.

[0110] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "some embodiments", "exemplary", "example", etc. means that the specific features, structures, materials or characteristics described in connection with the described embodiments or examples are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0111] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. An aerosol generating device, characterized in that, include: The bracket has a mounting slot; An outer tube, one end of which is inserted into the mounting groove and faces the bottom surface of the mounting groove; A first adhesive is disposed in the mounting groove and adheres to the groove wall and the outer tube. Inner tube, which is fitted inside the outer tube; A first electrode and a second electrode, wherein the first electrode extends into the inner tube and partially protrudes outside the inner tube, and the second electrode is disposed inside the outer tube and covers the end face of the inner tube that extends into the outer tube, and the first electrode and the second electrode are opposite to and spaced apart in the inner tube.

2. The aerosol generating apparatus according to claim 1, characterized in that, The bracket is provided with a receiving groove, the orientation of which is opposite to that of the mounting groove along the axial direction of the outer tube. A through hole is formed on the bottom surface of the mounting groove, the through hole connecting the receiving groove and the mounting groove. The inner tube extends from the receiving groove through the through hole into the outer tube.

3. The aerosol generating apparatus according to claim 2, characterized in that, The aerosol generating apparatus includes an insulating element that encloses the inner tube located in the receiving groove and at least a portion of the first electrode exposed outside the inner tube.

4. The aerosol generating apparatus according to claim 3, characterized in that, The insulating component is interference-fitted with the inner tube.

5. The aerosol generating apparatus according to claim 3, characterized in that, The aerosol generating device includes a conductive element disposed outside the inner tube. The conductive element is connected to the second electrode and extends to the insulating element. The insulating element covers a portion of the conductive element so that the conductive element, the second electrode, the inner tube, and the first electrode are connected as a whole.

6. The aerosol generating apparatus according to claim 2, characterized in that, The aerosol generating device includes a base and a second adhesive. The base has a slot that is opposite to and communicates with the through hole. The inner tube is partially inserted into the slot. The second adhesive bonds the slot wall and the inner tube.

7. The aerosol generating apparatus according to claim 6, characterized in that, The aerosol generating device includes a third adhesive, the base is partially located in the receiving groove, and the third adhesive adheres to the groove wall of the receiving groove and the base.

8. The aerosol generating apparatus according to claim 7, characterized in that, The first electrode is fixedly connected to the base outside the inner tube. The aerosol generating device includes a conductive element disposed outside the inner tube. The conductive element is connected to the second electrode and extends into the slot to be bonded to the second adhesive, so that the conductive element, the second electrode, the inner tube, the first electrode and the base are connected as one unit.

9. The aerosol generating apparatus according to claim 1, characterized in that, The length L of the area where the first adhesive is bonded to the outer tube along the axial direction of the outer tube satisfies: L≥0.5mm; and / or, the thickness D of the first adhesive along the radial direction of the outer tube satisfies: 0.05mm≤D≤2.0mm.

10. The aerosol generating apparatus according to claim 1, characterized in that, The aerosol generating device includes a buffer element that wraps around the end face of the outer tube located in the mounting groove, and the buffer element abuts against the groove wall and / or the bottom surface of the mounting groove.

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