Heating assembly and aerosol generating device

Abstract

The utility model provides a heating assembly and an aerosol generating device, the aerosol generating device comprises a power supply assembly and the heating assembly, the heating assembly comprises: an accommodating part having two longitudinally opposite ends and an accommodating cavity, a first end having an opening and a second end having a jack communicated with the accommodating cavity, the accommodating part is also provided with a movable cavity arranged around the jack; the heating body can be inserted into the accommodating cavity through the insertion hole, and the heating body is used for being inserted into the aerosol generating substrate to heat the aerosol generating substrate; and the sealing element is arranged outside the heating body in a sleeving manner, the sealing element is supported on the bottom side wall of the movable cavity, and the sealing element is movably arranged in the movable cavity. Through the arrangement of the sealing piece, the gap between the inserting hole and the heating body can be sealed, the space where hot steam flows to the outside of the containing part is reduced, and deposition of condensate is reduced; the sealing element is movably arranged in the movable cavity, so that when a hard sealing element is adopted, the sealing element cannot damage the heating body due to violent impact.

Description

Technical Field

[0001] The present application belongs to the technical field of aerosol generation, and more specifically, relates to a heating component and an aerosol generating device. Background Art

[0002] An aerosol-generating device is a device that heats an aerosol-generating substrate to form an aerosol through heating without combustion. Currently, aerosol-generating devices generally heat the aerosol-generating substrate in two ways: The first involves inserting a sheet or rod-shaped heating element into the bottom center of the aerosol-generating substrate to heat it; the second involves inserting the aerosol-generating substrate into a tubular heating cup to heat it.

[0003] In an aerosol generating device that adopts the first heating method mentioned above, it generally includes a receiving component and a heating element. The receiving component is used to accommodate the aerosol generating matrix. The bottom center of the receiving component has a socket, and the heating element is inserted into the receiving component through the socket to be inserted into the aerosol generating matrix. However, since the heating element and the socket are in a gap fit, the hot steam in the receiving component or the residue of the aerosol generating matrix (such as tobacco, residue, leaked liquid, etc.) may flow into the space outside the receiving component in the aerosol generating device through the above gap, thereby generating condensation in the space outside the receiving component and causing the space outside the receiving component to be contaminated, affecting the consumer experience. Utility Model Content

[0004] The purpose of the embodiments of the present application is to provide a heating component and an aerosol generating device to solve the technical problem in the prior art that hot steam in the receiving component flows into the space outside the receiving component through the gap between the socket and the heating element.

[0005] To achieve the above objectives, the technical solution adopted in this application is to provide a heating component, including:

[0006] A receiving component having two longitudinally opposite ends and a receiving cavity, wherein a first end of the receiving component has an opening through which an aerosol-generating substrate can be inserted into or removed from the receiving cavity; a second end of the receiving component has an insertion hole communicating with the receiving cavity, and the receiving component further has an active cavity disposed around the insertion hole;

[0007] a heating element capable of being inserted into the receiving cavity through the insertion hole, the heating element being used to be inserted into the aerosol generating substrate to heat the aerosol generating substrate;

[0008] A sealing member is sleeved on the outside of the heating element, supported by the bottom side wall of the active cavity, and movably arranged in the active cavity.

[0009] In one embodiment, the sealing member is made of soft rubber material;

[0010] Alternatively, the sealing element is made of hard material.

[0011] In one embodiment, the sealing member is made of a hard material, and a first gap is formed between the inner peripheral wall of the sealing member and the outer peripheral wall of the heating element, and the first gap is less than 0.3 mm.

[0012] In one embodiment, along the axial direction of the insertion hole, there is a gap between the top side surface of the sealing member and the top side surface of the active cavity;

[0013] A gap is defined between the outer peripheral wall of the sealing element and the inner peripheral wall of the active cavity.

[0014] In one embodiment, a convex rib is provided on the bottom side surface of the movable cavity, the convex rib is arranged around the insertion hole, and the sealing member is supported on the convex rib.

[0015] In one embodiment, the rib includes a main body and multiple branches, the main body is arranged around the socket, the branches are distributed in sequence along the outer circumference of the main body, and the seal is supported on the main body and the branches.

[0016] In one embodiment, a second gap is formed between the outer peripheral wall of the heating element and the inner peripheral wall of the insertion hole, and the range of the second gap is 0.3 mm-1 mm.

[0017] In one embodiment, the receiving component includes a cup body and a fixing part, the opening is formed in the cup body, the fixing part is installed at the end of the cup body away from the opening, the socket passes through the cup body and the fixing part in sequence, and the fixing part and the cup body together enclose the movable cavity.

[0018] In one embodiment, the fixing member is mounted on the inner side of the end portion of the cup body facing away from the opening;

[0019] Alternatively, the fixing member is mounted on the outer side of the end portion of the cup body facing away from the opening.

[0020] On the other hand, the present application also provides an aerosol generating device, comprising a power supply component and the above-mentioned heating component, wherein the power supply component is used to supply power to the heating component.

[0021] The beneficial effects of the heating assembly and aerosol generating device provided by the present application are as follows: by placing the sealing member outside the heating element, the flow of hot vapor or aerosol generating matrix residue from the gap between the inner peripheral wall of the sealing member and the outer peripheral wall of the heating element can be reduced. At the same time, by supporting the sealing member on the bottom side wall of the movable cavity, the flow of hot vapor or aerosol generating matrix residue from the gap between the sealing member and the receiving component can be reduced. That is, the gap between the jack and the heating element can be sealed by the sealing member, reducing the flow of hot vapor or residue to the space outside the receiving component, thereby reducing the deposition of condensate in the space outside the receiving component, reducing the possibility of contamination of the space outside the receiving component, and improving the user experience. In addition, by movably placing the sealing member in the movable cavity, when a sealing member is made of a hard material, the sealing member will not damage the heating element due to severe impact, and a sealing member made of a soft material that is resistant to high temperature, high humidity or corrosion can also be selected. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0023] Figure 1 A side view of a heating assembly provided in an embodiment of the present application;

[0024] Figure 2 for Figure 1 AA cross-sectional structural diagram of the middle heating component;

[0025] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of the B part of the heating component;

[0026] Figure 4 A side view of the heating assembly provided in an embodiment of the present application without the heating element;

[0027] Figure 5 for Figure 4 CC cross-sectional structural diagram of the middle heating component;

[0028] Figure 6 for Figure 5 A schematic diagram of the enlarged structure of the local D in the middle;

[0029] Figure 7 A schematic top view of the cup body and the sealing member of the heating assembly provided in an embodiment of the present application;

[0030] Figure 8A schematic diagram of the three-dimensional structure of a fixing member in a heating assembly provided in an embodiment of the present application;

[0031] Figure 9 A schematic diagram of the three-dimensional structure of a fixing member in a heating assembly provided in an embodiment of the present application from another angle;

[0032] Figure 10 This is a schematic cross-sectional view of the aerosol generating device provided in an embodiment of the present application.

[0033] Among them, the reference numerals in the figures are:

[0034] 1. Heating component; 100. Heating element; 200. Sealing component; 300. Receiving component; 310. Cup body; 311. Raised strip; 320. Fixing component; 321. Annular groove; 322. Supporting part; 323. Groove; 330. Active cavity; 340. Insertion hole; 350. Receiving cavity; 360. Raised rib; 361. Main body; 362. Branching part; 370. Opening; 2. Power supply component; 3. Aerosol generating matrix; D1. First gap; D2. Second gap; D3. Third gap; D4. Fourth gap. DETAILED DESCRIPTION

[0035] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application more clearly understood, this application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0036] It should be noted that when an element is referred to as being “fixed to” another element, or an element is “connected to” another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it can be directly connected to the other element or indirectly connected to the other element.

[0037] It should be understood that the terms "upper", "lower", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on this application.

[0038] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. Throughout the description of this application, "plurality" means two or more, unless otherwise specifically defined.

[0039] As mentioned in the background art, inserting a sheet-shaped or rod-shaped heating element into the bottom center of an aerosol generating substrate to heat the aerosol generating substrate is a common heating method for an aerosol generating device.

[0040] Aerosol generating devices using the above-mentioned heating method generally include a receiving component and a heating element. The receiving component is used to accommodate the aerosol generating matrix. The bottom center of the receiving component has a socket. The heating element is inserted into the inner cavity of the receiving component through the socket and is inserted into the bottom center of the aerosol generating matrix to heat the aerosol generating matrix. However, since the heating element and the socket are fitted with a gap, the hot vapor in the receiving component or the residue of the aerosol generating matrix (such as tobacco, residue, leaked liquid, etc.) may flow into the space outside the receiving component in the aerosol generating device through the above-mentioned gap, thereby depositing condensate in the space outside the receiving component in the aerosol generating device, causing the space outside the receiving component to be contaminated, affecting the consumer experience.

[0041] To address the aforementioned issues, the researchers behind this application came up with the idea of using a sealant to seal the gap between the heating element and the socket. However, in actual use, they discovered that sealants made of soft rubber could not fully adapt to the high temperature and humidity environment within the housing. Furthermore, the residual liquid in the aerosol-generating matrix was corrosive, resulting in a short service life for the sealant.

[0042] To this end, the researchers behind this application came up with the idea of using a seal made of a hard material to seal the gap between the heating element and the socket. This improves the seal's ability to withstand high-temperature and high-humidity environments, thereby extending its service life. However, since the seal is made of a hard material, if the aerosol generating device is dropped or experiences significant vibrations, the seal could impact the heating element, potentially damaging it or even breaking it.

[0043] To address the aforementioned issues, the researchers of this application, after a long period of research, development, and testing, have finally developed a heating assembly 1 and an aerosol generating device. A seal 200 is used to create a gap between the insertion hole 340 at the second end of the receiving component 300 and the heating element 100. Furthermore, a movable cavity 330 is provided in the receiving component 300 surrounding the insertion hole 340, and the seal 200 is movably disposed in the movable cavity 330. Therefore, when the aerosol generating device experiences significant vibrations, the seal 200 can move in the movable cavity 330 to provide a buffer, thereby reducing damage to the heating element 100 caused by the seal 200. Furthermore, the seal 200 can be made of either a hard material or a soft material that can adapt to high-temperature and high-humidity environments.

[0044] See also Figures 1 to 6 , the heating component 1 provided in the embodiment of the present application is now described.

[0045] The heating assembly 1 includes a receiving component 300, a heating element 100, and a sealing member 200. The receiving component 300 has two opposite longitudinal ends and a receiving cavity 350 for accommodating the aerosol-generating substrate 3. The first end of the receiving component 300 has an opening 370, through which the aerosol-generating substrate 3 can be inserted into or removed from the receiving cavity 350. The second end of the receiving component 300 has an insertion hole 340 connected to the receiving cavity 350. The receiving component 300 also has a movable cavity 330 surrounding the insertion hole 340. The heating element 100 can be inserted into the receiving cavity 350 through the insertion hole 340. The heating element 100 is used to be inserted into the aerosol-generating substrate 3 to heat the aerosol-generating substrate 3. The sealing member 200 is sleeved on the outside of the heating element 100, supported by the bottom side wall of the movable cavity 330, and movably arranged in the movable cavity 330.

[0046] The sealing member 200 is movably disposed in the movable cavity 330 , which means that the sealing member 200 can move under the action of an external force, and the movable range of the sealing member 200 is limited by the movable cavity 330 , and the sealing member 200 will not detach from the movable cavity 330 .

[0047] The heating component 1 in the embodiment of the present application can reduce the outflow of hot vapor or aerosol generating matrix 3 residues from the gap between the inner peripheral wall of the seal 200 and the outer peripheral wall of the heating element 100 by arranging the seal 200 outside the heating element 100. At the same time, by supporting the seal 200 on the bottom side wall of the active cavity 330, it can reduce the outflow of hot vapor or aerosol generating matrix 3 residues from the gap between the seal 200 and the receiving part 300. That is, the seal 200 can be used to seal the gap between the socket 340 and the heating element 100, reducing the flow of hot vapor or residues to the space outside the receiving part 300, thereby reducing the deposition of condensate in the space outside the receiving part 300, reducing the possibility of contamination of the space outside the receiving part 300, and improving the user experience. In addition, by movably arranging the seal 200 in the movable cavity 330, when a seal 200 made of a hard material is used, the seal 200 will not damage the heating element 100 due to severe impact, and a seal 200 made of a soft material that is resistant to high temperature, high humidity or corrosion can also be used.

[0048] In one embodiment, the seal 200 is made of a hard material. This provides the seal 200 with a certain degree of hardness and rigidity, allowing it to adapt to the high-temperature, high-humidity, and highly corrosive environment of the receiving component 300 and maintain a long-term sealing effect. Furthermore, if the aerosol generating device is dropped, the seal 200 can move within the active cavity 330 to provide cushioning, thereby minimizing damage to the active cavity 330 caused by the seal 200.

[0049] Optionally, the seal 200 can be made of polyetheretherketone plastic material or hardware material to ensure the seal 200's high temperature, high humidity, and corrosion resistance. It is understood that in other embodiments of the present application, the seal 200 can also be made of other hard materials, such as polyimide or polyphenylene sulfide. In addition, when the service life of the seal 200 is not required to be high, the seal 200 can also be made of a soft rubber material, or a flexible material that is resistant to high temperature, high humidity, and corrosion.

[0050] In one embodiment, see Figure 3 , the sealing member 200 is made of a hard material. There is a first gap D1 between the inner peripheral wall of the sealing member 200 and the outer peripheral wall of the heating element 100, and the first gap D1 is less than 0.3 mm. For example, the first gap D1 is 0.05 mm, 0.10 mm, 0.15 mm, 0.20 mm, 0.25 mm or 0.30 mm. Among them, the smaller the first gap D1, the better the sealing effect of the sealing member 200, which can effectively prevent the hot steam in the receiving cavity 350 from flowing out through the first gap D1. However, the smaller the first gap D1, the higher the processing and assembly requirements for the sealing member 200 and the heating element 100, and the higher the processing cost. In addition, the first gap D1 cannot be too large. If it is too large, the sealing effect cannot be achieved. Therefore, the first gap D1 needs to be set within a certain range to reduce the processing cost while ensuring a more appropriate sealing effect.

[0051] It should be noted that the first gap D1 refers to the gap between the inner peripheral wall of the seal 200 and the outer peripheral wall of the heating element 100 when the center line of the seal 200 coincides with the center line of the heating element 100. It should be noted that the heating element 100 may be a rod-shaped heating element 100 or a flat heating element 100. Regardless of the shape of the heating element 100, the first gap D1 refers to the gap between the outer peripheral wall of the heating element 100 and the inner peripheral wall of the seal 200.

[0052] Preferably, the range of the first gap D1 is 0.1mm-0.2mm. For example, the first gap D1 is 0.10mm, 0.11mm, 0.12mm, 0.13mm, 0.14mm, 0.15mm, 0.16mm, 0.17mm, 0.18mm, 0.19mm or 0.20mm. By limiting the range of the first gap D1 to between 0.1mm-0.2mm, while ensuring the sealing effect of the seal 200, the processing requirements of the seal 200 and the heating element 100 will not be increased, thereby reducing the processing cost. Of course, in other embodiments, when the seal 200 is made of soft rubber material, the first gap D1 can be smaller to achieve a better sealing effect.

[0053] In other embodiments of the present application, in order to reduce the damage of the seal 200 to the heating element 100, a buffer pad can be set in the active cavity 330 to cushion the vibration of the seal 200, which can also reduce the damage of the seal 200 to the heating element 100.

[0054] In one embodiment, see Figure 3 and Figure 6 The movable cavity 330 is connected to the insertion hole 340. The insertion hole 340 is arranged to penetrate the movable cavity 330 along its axial direction. The movable cavity 330 is arranged around the insertion hole 340. The center line of the movable cavity 330 coincides with the center line of the insertion hole 340. The inner diameter of the movable cavity 330 is larger than the inner diameter of the insertion hole 340. When the heating element 100 is inserted into the insertion hole 340 and the sealing member 200 is sleeved on the outside of the heating element 100, the sealing member 200 can move in the movable cavity 330.

[0055] In one embodiment, see Figure 3 The heating element 100 is a rod-shaped heating element 100, the sealing element 200 is in a flat and round shape, the cross section of the movable cavity 330 is a cylindrical surface, the sealing element 200 is sleeved on the outside of the heating element 100, and the sealing element 200 is movably arranged in the movable cavity 330. The center line of the heating element 100, the center line of the sealing element 200 and the center line of the movable cavity 330 all coincide. It can be understood that in other embodiments of the present application, the outer peripheral wall of the above-mentioned sealing element 200 can also be elliptical, square or other shapes, and correspondingly, the cross section of the movable cavity 330 can also be elliptical, square or other shapes, as long as it is ensured that the sealing element 200 can move in the movable cavity 330.

[0056] In one embodiment, see Figure 3 and Figure 6When the seal 200 is housed in the active cavity 330 and supported on the bottom side of the active cavity 330, a third gap D3 is defined between the top side of the seal 200 and the top side of the active cavity 330 in the axial direction of the insertion hole 340, and a fourth gap D4 is defined between the outer peripheral wall of the seal 200 and the inner peripheral wall of the active cavity 330. In other words, the height of the active cavity 330 is greater than the height of the seal 200, and the cross-sectional dimension of the active cavity 330 is greater than the cross-sectional dimension of the seal 200. This configuration allows the seal 200 to move vertically and horizontally within the active cavity 330 if the aerosol generating device is dropped, thereby reducing damage to the heating element 100 caused by the seal 200.

[0057] Optionally, the third gap D3 is 0.2 mm and the fourth gap D4 is 0.5 mm, so that the seal 200 has a certain range of movement in the horizontal direction and the vertical direction. It can be understood that in other embodiments, the third gap D3 can also be 0.15 mm, 0.16 mm, 0.17 mm, 0.18 mm, 0.19 mm, 0.20 mm, 0.21 mm, 0.22 mm, 0.23 mm, 0.24 mm, 0.25 mm, 0.26 mm, 0.27 mm, 0.28 mm, 0.29 mm or 0.30 mm, etc. In addition, the fourth gap D4 can also be 0.4 0mm, 0.41mm, 0.42mm, 0.43mm, 0.44mm, 0.45mm, 0.46mm, 0.47mm, 0.48mm, 0.49mm, 0.50mm, 0.51mm, 0.52mm, 0.53mm, 0.54mm, 0.55mm, 0.56mm, 0.57mm, 0.58mm, 0.59mm or 0.60mm, etc., not the only limitation here.

[0058] In one embodiment, see Figure 6 and Figure 7 The bottom side of the movable cavity 330 is provided with a convex rib 360, which is arranged around the insertion hole 340, and the sealing member 200 is supported on the convex rib 360. Specifically, by providing the convex rib 360 protruding from the bottom side of the movable cavity 330 and raising the sealing member 200 to a certain height through the convex rib 360, the contact area between the sealing member 200 and the bottom side of the movable cavity 330 can be reduced, thereby reducing the frictional resistance of the movable cavity 330 on the sealing member 200, allowing the sealing member 200 to move freely within the movable cavity 330 after being subjected to force, thereby reducing the damage of the sealing member 200 to the heating element 100.

[0059] In one embodiment, see Figure 7The rib 360 includes a main portion 361 and multiple branches 362. The main portion 361 is arranged around the insertion hole 340, and the branches 362 are spaced apart along the outer circumference of the main portion 361. The seal 200 is supported on the main portion 361 and the branches 362. By spacing the branches 362 apart, the seal 200 is hollowed out between two branches 362, thereby reducing the contact area between the rib 360 and the seal 200 and reducing friction. The arrangement of the main portion 361 ensures that the central portion of the seal 200 is stably supported by the main portion 361, ensuring smooth assembly of the seal 200.

[0060] In one embodiment, see Figure 7 The main body 361 is annular, with an inner diameter greater than the inner diameter of the seal 200, and an outer diameter smaller than the outer diameter of the seal 200, that is, the cross-sectional area of the main body 361 is smaller than the cross-sectional area of the seal 200. The branches 362 are distributed at equal intervals along the circumference of the main body 361. The branches 362 extend radially outward from the outer peripheral wall of the main body 361, and the surface of each branch 362 away from the main body 361 is flush with the outer peripheral surface of the seal 200. It is understandable that in other embodiments of the present application, the main body 361 can also be square or other shapes, the branches 362 can also be distributed at unequal intervals, and the shape of each branch 362 can also be set according to actual needs, which is not limited here.

[0061] In one embodiment, see Figure 3 , there is a second gap D2 between the outer peripheral wall of the heating element 100 and the inner peripheral wall of the socket 340, and the range of the second gap D2 is 0.3mm-1mm. Specifically, the second gap D2 can be 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm or 1mm, etc. Among them, by setting the second gap D2 between the outer peripheral wall of the heating element 100 and the inner peripheral wall of the socket 340, the heating element 100 can easily pass through the socket 340. In addition, if the second gap D2 is too small, the side wall of the socket 340 will damage the heating element 100 when the aerosol generating device falls; if the second gap D2 is too large, the residue of the aerosol generating matrix 3 in the receiving cavity 350 will fall into the active cavity 330 through the second gap D2, affecting the activity of the sealing member 200. In this embodiment, by setting the second gap D2 within a certain range, the risk of the side wall of the insertion hole 340 damaging the heating element 100 can be reduced while reducing the risk of residues falling into the active cavity 330 .

[0062] In one embodiment, see Figure 3 and Figure 6The receiving component 300 includes a cup body 310 and a fixing member 320. An opening 370 is formed in the cup body 310. The fixing member 320 is installed at the end of the cup body 310 facing away from the opening 370. The insertion hole 340 passes through the cup body 310 and the fixing member 320 in sequence. The fixing member 320 and the cup body 310 together enclose a movable cavity 330. In this embodiment, the fixing member 320, which is provided at the end of the cup body 310 facing away from the opening 370, and the cup body 310 together enclose the movable cavity 330, thereby facilitating the installation of the hard seal 200 into the movable cavity 330 and confining the seal 200 in the sealed cavity.

[0063] During specific assembly, the sealing member 200 may be first disposed on the end of the cup body 310 facing away from the opening 370 , and then the fixing member 320 may be covered on the outside of the cup body 310 , and the fixing member 320 may be connected to the cup body 310 .

[0064] In a specific embodiment, see Figure 3 and Figure 6 The fixing member 320 is installed on the inner side of the end of the cup body 310 facing away from the opening 370. The fixing member 320 and the end of the cup body 310 facing away from the opening 370 together enclose the movable cavity 330. By installing the fixing member 320 inside the cup body 310, the installation stability of the fixing member 320 in the cup body 310 can be ensured, and the assembly structure of the fixing member 320 in the cup body 310 can be simplified.

[0065] For details, please refer to Figure 6 and Figure 8 The fixing part 320 is concavely formed with an annular groove 321 on one side of the bottom side of the cup body 310. The bottom side of the cup body 310 abuts against the fixing part 320. The bottom side of the cup body 310 is covered on the end face of the annular groove 321. The bottom side of the cup body 310 and the fixing part 320 jointly enclose the above-mentioned active cavity 330. It can be understood that in other embodiments of the present application, the annular groove 321 can also be formed at the end of the cup body 310 away from the outlet 370, or the annular groove 321 can be formed on both the end of the cup body 310 away from the outlet 370 and the fixing part 320. The active cavity 330 is formed by the cup body 310 and the fixing part 320 together. This is not the only limitation here.

[0066] Specifically, the rib 360 is formed on the bottom side of the cup body 310 .

[0067] In one embodiment, the fixing member 320 is fixed to the end of the cup body 310 away from the opening 370 by means of interference fit. Figure 7 and Figure 8The outer circumferential wall of the fixing member 320 is provided with a plurality of grooves 323 spaced apart along the circumferential direction. Each groove 323 extends through opposite ends of the fixing member 320 along the axial direction of the insertion hole 340. The inner circumferential wall of the cup body 310 is provided with a plurality of ridges 311 spaced apart along the circumferential direction. Each ridge 311 extends along the axial direction of the insertion hole 340 and is inserted into each groove 323 in a one-to-one correspondence, thereby restricting the fixing member 320 from rotating within the cup body 310. It is understood that in other embodiments of the present application, the fixing member 320 can also be fixed to the cup body 310 by means of clamping, screw locking, bonding, or welding.

[0068] In one embodiment, see Figure 6 and Figure 9 A plurality of spaced support portions 322 are protruded from the side of the fixing member 320 facing away from the active cavity 330 , and each support portion 322 is used to support the aerosol generating matrix 3 , and the gaps between the support portions 322 allow the airflow in the receiving cavity 350 to flow to the bottom of the aerosol generating matrix 3 .

[0069] In another embodiment of the present application, the fixing member 320 is installed on the outside of the end of the cup body 310 facing away from the outlet 370. Similarly, an annular groove 321 is formed on the fixing member 320 and / or the end of the cup body 310 facing away from the outlet 370, thereby forming a movable cavity 330. In addition, the fixing member 320 can be fixed to the outside of the end of the cup body 310 facing away from the outlet 370 by screw locking, clamping, bonding, etc. Alternatively, a convex ring can be extended on the outside of the end of the cup body 310 facing away from the outlet 370, and the fixing member 320 can be interference fitted in the convex ring, which is not the only limitation here.

[0070] In another embodiment of the present application, the fixing part 320 is not provided at the end of the cup body 310 facing away from the outlet 370. Instead, the seal 200 is restricted by protruding a plurality of limit blocks arranged at circumferential intervals on the inner peripheral wall of the cup body 310. That is, the movable cavity 330 is formed by the limit blocks and the bottom side and the circumferential side of the cup body 310. During assembly, the seal 200 is tilted and inserted into the movable cavity 330 through the gaps between the limit blocks.

[0071] In one embodiment, the fixing member 320 is made of polyetheretherketone plastic material or hardware material to ensure that the fixing member 320 is resistant to high temperature, high humidity and corrosion, and has a certain degree of rigidity and hardness.

[0072] On the other hand, see Figure 10 The present application also provides an aerosol generating device, including a power supply component 2 and a heating component 1, wherein the power supply component 2 supplies power to the heating component 1.

[0073] In the embodiment of the present application, the heating method of the heating element 100 can be resistance heating or infrared heating. In addition, the heating element 100 can also be an electromagnetic sensor, which cooperates with the peripheral coil to heat the aerosol generating matrix 3.

[0074] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application should be included in the scope of protection of the present application.

Claims

1. A heating component, characterized in that: include: A receiving component having two longitudinally opposite ends and a receiving cavity, wherein a first end of the receiving component has an opening through which an aerosol-generating substrate can be inserted into or removed from the receiving cavity; a second end of the receiving component has an insertion hole communicating with the receiving cavity, and the receiving component further has an active cavity disposed around the insertion hole; a heating element capable of being inserted into the receiving cavity through the insertion hole, the heating element being used to be inserted into the aerosol generating substrate to heat the aerosol generating substrate; A sealing member is sleeved on the outside of the heating element, supported by the bottom side wall of the active cavity, and movably arranged in the active cavity.

2. The heating assembly according to claim 1, wherein The sealing member is made of soft rubber material; Alternatively, the sealing element is made of hard material.

3. The heating assembly according to claim 1, wherein The sealing member is made of a hard material. A first gap is formed between the inner peripheral wall of the sealing member and the outer peripheral wall of the heating element. The first gap is smaller than 0.3 mm.

4. The heating assembly according to claim 1, wherein Along the axial direction of the insertion hole, there is a gap between the top side surface of the sealing member and the top side surface of the active cavity; A gap is defined between the outer peripheral wall of the sealing element and the inner peripheral wall of the active cavity.

5. The heating assembly according to claim 1, wherein A convex rib is convexly provided on the bottom side surface of the movable cavity, the convex rib is arranged around the insertion hole, and the sealing member is supported on the convex rib.

6. The heating assembly according to claim 5, wherein The rib includes a main body and a plurality of branch parts. The main body is arranged around the insertion hole. The branch parts are sequentially spaced along the outer circumference of the main body. The sealing member is supported on the main body and the branch parts.

7. The heating assembly according to any one of claims 1 to 6, characterized in that A second gap is formed between the outer peripheral wall of the heating element and the inner peripheral wall of the insertion hole, and the range of the second gap is 0.3 mm-1 mm.

8. The heating assembly according to any one of claims 1 to 6, characterized in that The receiving component includes a cup body and a fixing part. The opening is formed in the cup body. The fixing part is installed at the end of the cup body away from the opening. The insertion hole passes through the cup body and the fixing part in sequence. The fixing part and the cup body together enclose the movable cavity.

9. The heating assembly according to claim 8, wherein The fixing member is installed on the inner side of the end portion of the cup body away from the opening; Alternatively, the fixing member is mounted on the outer side of the end portion of the cup body facing away from the opening.

10. An aerosol generating device, characterized in that: It comprises a power supply component and a heating component according to any one of claims 1 to 9, wherein the power supply component is used to supply power to the heating component.

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