Aerosol-generating device

Abstract

The utility model provides an aerosol generating device which comprises a top cover with an insertion opening; a heater and a heating chamber communicated with the insertion opening are arranged in the connecting pipe; at least part of an aerosol-generating article is removably received in the heating chamber through the insertion opening, and the heater is used for heating the aerosol-generating article to generate aerosol; the bracket is used for supporting the battery cell; the battery cell is electrically connected with the heater so as to provide power for the heater; one end of the connecting pipe is connected with the top cover in a buckled mode, and the other end of the connecting pipe is connected with the support in a buckled mode. According to the aerosol generating device, the connecting pipe is connected with the top cover and the support in a buckled mode, the heater is arranged in the connecting pipe, the battery cell is supported on the support, the overall structural design is compact, and assembling is convenient.

Description

Technical Field

[0001] This application relates to the technical field of aerosol generation, and particularly to an aerosol generation device. Background Art

[0002] Smoking articles such as cigarettes and cigars burn tobacco during use to produce smoke. Attempts have been made to provide alternatives to these tobacco-burning articles by producing products that release compounds without combustion. Examples of such products are so-called heat-not-burn products, which release compounds by heating tobacco rather than burning it.

[0003] The problems existing in existing aerosol generation devices are that the internal structure is not compact enough and the assembly is time-consuming and laborious. Summary of the Utility Model

[0004] This application provides an aerosol generation device, aiming to solve the problems that the existing aerosol generation device has an insufficiently compact internal structure and time-consuming and laborious assembly.

[0005] This application provides an aerosol generation device, comprising:

[0006] A top cover having an insertion port;

[0007] A connecting pipe, in which a heater and a heating chamber communicating with the insertion port are provided; at least part of the aerosol generation article is removably received in the heating chamber through the insertion port, and the heater is used to heat the aerosol generation article to generate aerosol;

[0008] A bracket for supporting the battery cell; the battery cell is electrically connected to the heater to supply power to the heater;

[0009] Wherein, one end of the connecting pipe is snap-connected to the top cover, and the other end of the connecting pipe is snap-connected to the bracket.

[0010] In one example, a first anti-misassembly portion is provided on the top cover, and a second anti-misassembly portion cooperating with the first anti-misassembly portion is provided on the connecting pipe, and one of the first anti-misassembly portion and the second anti-misassembly portion is a groove, and the other is a protrusion.

[0011] In one example, the heater is configured as a tubular structure surrounding at least part of the heating chamber and axially extending;

[0012] An upper end cover for holding the upper end of the heater and a lower end cover for holding the lower end of the heater are further provided in the connecting pipe, the upper end cover is snap-connected to the connecting pipe, and the lower end cover is snap-connected to the bracket.

[0013] In one example, a heat insulation tube sleeving the heater is further disposed in the connecting tube, an upper end of the heat insulation tube abuts against the upper end cover, and a lower end of the heat insulation tube abuts against the lower end cover.

[0014] In one example, a first sealing member is disposed between the upper end of the heat insulation tube and the upper end cover, and a second sealing member is disposed between the lower end of the heat insulation tube and the lower end cover.

[0015] In one example, the connecting tube is a metal tube.

[0016] In one example, an outer tube and a base are further included;

[0017] The connecting tube and the bracket are disposed in the outer tube, the top cover is disposed at an opening at a top end of the outer tube, the base is fixedly connected to the bracket, and the base is disposed at an opening at a bottom end of the outer tube.

[0018] In one example, a step is disposed in the outer tube, and the step abuts against an edge of the top cover or an edge of the base.

[0019] In one example, a first anti-rotation portion is disposed in the outer tube, a second anti-rotation portion cooperating with the first anti-rotation portion is disposed on the connecting tube or the bracket, and one of the first anti-rotation portion and the second anti-rotation portion is a groove and the other is a protrusion.

[0020] In one example, a charging interface supported on the base is further included, and the charging interface is used to charge the battery cell.

[0021] In one example, a bottom cover is further included, the bottom cover covers the base and seals the opening at the bottom end of the outer tube.

[0022] For the aerosol generating device provided in the present application, the connecting tube is snap-connected to the top cover and the bracket, the heater is disposed in the connecting tube, and the battery cell is supported on the bracket, and the overall structural design is compact and convenient for assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] One or more embodiments are exemplarily illustrated by pictures in the corresponding drawings. These exemplary illustrations do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings are represented as similar elements, unless otherwise stated, the drawings in the figures do not constitute a scale limitation.

[0024] Figure 1 is a schematic diagram of an aerosol generating device and an aerosol generating article provided by an embodiment of the present application;

[0025] Figure 2 is a schematic diagram of an aerosol generating device provided by an embodiment of the present application;

[0026] Figure 3 is a schematic cross-sectional view of an aerosol generating device provided by an embodiment of the present application;

[0027] Figure 4 is Figure 3 a partial enlarged schematic view of;

[0028] Figure 5 is a schematic view of an outer tube provided by an embodiment of the present application;

[0029] Figure 6 is a schematic view of the outer tube from another perspective provided by an embodiment of the present application;

[0030] Figure 7 is a schematic view of a top cover provided by an embodiment of the present application;

[0031] Figure 8 is a schematic view of a connecting tube provided by an embodiment of the present application;

[0032] Figure 9 is a schematic view of an upper end cap provided by an embodiment of the present application;

[0033] Figure 10 is a schematic view of a lower end cap provided by an embodiment of the present application;

[0034] Figure 11 is a schematic view of a bracket provided by an embodiment of the present application;

[0035] Figure 12 is a schematic view of the bracket from another perspective provided by an embodiment of the present application;

[0036] Figure 13 is a schematic view of a base provided by an embodiment of the present application. Detailed implementation manners

[0037] To facilitate understanding of the present application, the present application will be described in more detail below with reference to the accompanying drawings and specific implementation manners. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element, or there can be one or more intermediate elements therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element, or there can be one or more intermediate elements therebetween. The terms "upper", "lower", "left", "right", "inner", "outer" and similar expressions used in this specification are only for the purpose of illustration.

[0038] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs. The terms used in this specification in the description of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used in this specification includes any and all combinations of one or more of the related listed items.

[0039] As Figures 1 - 13 shown, an aerosol generating device 100 according to an embodiment of the present application includes a housing, and a connecting pipe 104, a bracket 105, a heater 106, an upper end cap 107, a lower end cap 108, a heat insulation pipe 109, a first seal 110, a second seal 111, a battery cell 112, a circuit board 113, a base 114, a charging interface 115, etc. are housed in the housing.

[0040] The housing includes an outer pipe 101, a top cover 102, and a bottom cover 103.

[0041] The outer pipe 101 is a tubular structure with openings at both ends. The top cover 102 is provided at the opening at the top end of the outer pipe 101, and the bottom cover 103 is provided at the opening at the bottom end of the outer pipe 101 and seals the opening at the bottom end of the outer pipe 101, thereby forming a receiving space. A first anti-rotation portion 101a is provided inside the outer pipe 101, and the first anti-rotation portion 101a is a protrusion. A step 101b is provided inside the outer pipe 101 near the top opening, and a step 101c is provided inside the outer pipe 101 near the bottom opening.

[0042] The top cover 102 includes a body 102a having a tubular structure. The hollow portion inside the body 102a forms an insertion port 102a. At least part of the aerosol generating article 200 is removably received in the heating chamber inside the housing through the insertion port 102a. The heater 106 can heat the aerosol generating article 200 to generate an inhalable aerosol, and the user can inhale through the mouthpiece portion exposed outside the insertion port 102a. The aerosol generating article can refer to the prior art and will not be elaborated here.

[0043] The top cover 102 further includes a flange 102b extending radially outward from the upper end of the body 102a. A buckle 102c and a first anti-fooling portion 102d are provided on the flange 102b, and the first anti-fooling portion 102d is a convex block.

[0044] The heater 106, the upper end cap 107, the lower end cap 108, the heat insulation tube 109, the first seal 110, and the second seal 111 are all disposed within the connecting tube 104. A card slot 104a and a card slot 104d are provided near the upper end of the connecting tube 104, and a card slot 104b is provided near the lower end of the connecting tube 104. A second anti-fooling portion 104c is further provided at the upper end of the connecting tube 104, and the second anti-fooling portion 104c is a card slot. The connecting tube 104 is preferably made of a metal material, that is, the connecting tube 104 is a metal tube, so as to achieve the effect of heat uniformity and enhance the structural strength of the aerosol generating device 100.

[0045] The heater 106 is configured to extend along the axial direction of the heating chamber and is a tubular structure surrounding the heating chamber. The heater 106 heats the aerosol generating article 200 to generate an inhalable aerosol, that is, the so-called circumferential heating and peripheral heating. The heating method of the heater 106 is not limited herein and may be resistance heating, infrared radiation heating, electromagnetic induction heating, etc.

[0046] The upper end cap 107 is used to hold the upper end of the heater 106. The upper end cap 107 includes a main body 107a having a tubular structure. The upper end of the heater 106 extends into the main body 107a and abuts against the inner wall of the main body 107a to be held. A plurality of spaced protrusions 107a1 are further provided on the inner wall of the main body 107a. The protrusions 107a1 can function to clamp the aerosol generating article 200, and external air can also flow into the heating chamber from between the adjacent protrusions 107a1. The upper end cap 107 further includes a flange 107b extending radially outward from the upper end of the main body 107a, and a buckle 107c extending toward the top cover 102 is provided on the flange 107b.

[0047] The lower end cap 108 is used to hold the lower end of the heater 106. The lower end cap 108 is provided with a receiving cavity 108a communicating with the heating chamber. The lower end of the heater 106 extends into the receiving cavity 108a and abuts against the cavity wall of the receiving cavity 108a to be held. The lower end of the lower end cap 108 further has a flange 108b extending radially outward, and a buckle 108c extending toward the bottom cover 103 is provided on the flange 108b.

[0048] The heat insulation tube 109 is sleeved outside the heater 106. The heat insulation tube 109 may be a double-layer tube, and the inside may be evacuated or filled with an inert gas. The upper end of the heat insulation tube 109 abuts against the upper end cap 107, for example, against the flange 107b; the lower end of the heat insulation tube 109 abuts against the lower end cap 108, for example, against the flange 108b.

[0049] The first seal 110 and the second seal 111 can be made of silicone material. The first seal 110 is disposed between the upper end of the heat insulation tube 109 and the upper end cover 107, and the second seal 111 is disposed between the lower end of the heat insulation tube 109 and the lower end cover 108, thereby forming a good sealing effect. On the other hand, the heater 106, the upper end cover 107, the lower end cover 108, the heat insulation tube 109, the first seal 110 and the second seal 111 can be assembled together.

[0050] The bracket 105 is used to support the battery cell 112 and the circuit board 113. The bracket 105 is provided with an installation space 105a and an installation space 105b. The battery cell 112 is assembled in the installation space 105a, and the circuit board 113 is assembled in the installation space 105b. The bracket 105 is further provided with a buckle member 105c, a card slot 105d, a fixed connection hole 105e and a second anti-rotation portion 105f. The second anti-rotation portion 105f is a groove.

[0051] The battery cell 112 provides power for operating the aerosol generating device 100. For example, the battery cell 112 is electrically connected to the heater 106, and the battery cell 112 can provide power to heat the heater 106. In addition, the battery cell 112 can provide power required for operating other components provided in the aerosol generating device 100. The battery cell 112 can be a rechargeable battery or a disposable battery. The battery cell 112 can be, but is not limited to, a lithium iron phosphate (LiFePO4) battery. For example, the battery cell 112 can be a lithium cobalt oxide (LiCoO2) battery or a lithium titanate battery.

[0052] The circuit board 113 can control the overall operation of the aerosol generating device 100. The circuit board 113 not only controls the operations of the battery cell 112 and the heater 106, but also controls the operations of other components in the aerosol generating device 100.

[0053] The base 114 is fixed on the bracket 105 and is disposed at the opening at the bottom end of the outer tube 101. The base 114 is provided with a fixed connection hole 114a corresponding to the fixed connection hole 105e. A fixing member, such as a screw, can fix the base 114 on the bracket 105 through the fixed connection hole 114a and the fixed connection hole 105e.

[0054] The charging interface 115 is supported on the base 114. The charging interface 115 is used to be electrically connected to an external power supply device to charge the rechargeable battery cell 112. The base 114 is provided with an opening 114b corresponding to the charging interface 115. The bottom cover 103 covers the base 114, and the bottom cover 103 is provided with an opening (not shown) corresponding to the opening 114b.

[0055] When assembling the above components, the card slot 104a cooperates with the buckle 102c, so that the upper end of the connecting pipe 104 is snap-connected to the top cover 102; the card slot 104b cooperates with the buckle 105c, so that the lower end of the connecting pipe 104 is snap-connected to the bracket 105.

[0056] When assembling the above components, the first anti-fooling portion 102d and the second anti-fooling portion 104c form an anti-fooling mechanism, which is conducive to the assembly of the top cover 102 and the connecting pipe 104. It can be understood that it is also feasible that the first anti-fooling portion 102d is a card slot and the second anti-fooling portion 104c is a convex block.

[0057] When assembling the above components, the card slot 104d cooperates with the buckle 107c, so that the upper end cover 107 is snap-connected to the connecting pipe 104; the buckle 108c cooperates with the card slot 105d, so that the lower end cover 108 is snap-connected to the bracket 105.

[0058] When assembling the above components, the first anti-rotation portion 101a and the second anti-rotation portion 105f form an anti-rotation mechanism, which can prevent relative rotation between the outer pipe 101 and the bracket 105. In other examples, an anti-rotation groove can also be provided on the connecting pipe 104, so as to cooperate with the first anti-rotation portion 101a to prevent relative rotation between the outer pipe 101 and the connecting pipe 104. It can be understood that it is also feasible that the first anti-rotation portion 101a is a groove and the second anti-rotation portion 105f is a protrusion.

[0059] When assembling the above components, the step 101b can abut against a part of the flange 102b of the top cover 102, that is, against the edge of the top cover 102; the step 101c can abut against the edge of the base 114. With such a setting, the outer pipe 101 can be better assembled on the top cover 102 and the base 114.

[0060] It should be noted that the description and drawings of the present application give preferred embodiments of the present application. However, the present application can be implemented in many different forms and is not limited to the embodiments described in this specification. These embodiments do not serve as additional limitations to the content of the present application. The purpose of providing these embodiments is to make the understanding of the disclosed content of the present application more thorough and comprehensive. Furthermore, the above technical features continue to be combined with each other to form various embodiments not listed above, which are all regarded as within the scope described in the description of the present application; further, for those of ordinary skill in the art, improvements or transformations can be made according to the above description, and all such improvements and transformations should fall within the protection scope of the appended claims of the present application.

Claims

1. An aerosol generating device, characterized in that, Comprising: A top cover having an insertion opening; A connecting pipe in which a heater and a heating chamber communicating with the insertion opening are provided; At least part of the aerosol-generating article is removably received in the heating chamber through the insertion opening, and the heater is used to heat the aerosol-generating article to generate aerosol; A bracket for supporting the battery cell; the battery cell is electrically connected to the heater to supply power to the heater; Wherein one end of the connecting pipe is snap-connected to the top cover, and the other end of the connecting pipe is snap-connected to the bracket.

2. The aerosol generating device according to claim 1, wherein The top cover is provided with a first anti-misassembly portion, and the connecting pipe is provided with a second anti-misassembly portion cooperating with the first anti-misassembly portion. One of the first anti-misassembly portion and the second anti-misassembly portion is a slot, and the other is a protrusion.

3. The aerosol generating device according to claim 1, characterized in that, The heater is configured as a tubular structure surrounding at least part of the heating chamber and extending axially; An upper end cover for holding the upper end of the heater and a lower end cover for holding the lower end of the heater are further provided in the connecting pipe. The upper end cover is snap-connected to the connecting pipe, and the lower end cover is snap-connected to the bracket.

4. The aerosol generating device according to claim 3, wherein A heat-insulating pipe sleeved outside the heater is further provided in the connecting pipe. The upper end of the heat-insulating pipe abuts against the upper end cover, and the lower end of the heat-insulating pipe abuts against the lower end cover.

5. The aerosol generating device according to claim 4, wherein A first sealing member is provided between the upper end of the heat-insulating pipe and the upper end cover, and a second sealing member is provided between the lower end of the heat-insulating pipe and the lower end cover.

6. The aerosol generating device according to claim 1, characterized in that, The connecting pipe is a metal pipe.

7. The aerosol generating device according to claim 1, wherein Further comprising an outer pipe and a base; The connecting pipe and the bracket are arranged in the outer pipe, the top cover is arranged at the opening at the top end of the outer pipe, the base is fixedly connected to the bracket, and the base is arranged at the opening at the bottom end of the outer pipe.

8. The aerosol generating device according to claim 7, wherein, A step is provided in the outer pipe, and the step abuts against the edge of the top cover or the edge of the base.

9. The aerosol generating device according to claim 7, wherein A first anti-rotation portion is provided in the outer pipe, and a second anti-rotation portion cooperating with the first anti-rotation portion is provided on the connecting pipe or the bracket. One of the first anti-rotation portion and the second anti-rotation portion is a groove, and the other is a protrusion.

10. The aerosol generating device according to claim 7, characterized in that, Further comprising a charging interface supported on the base, and the charging interface is used to charge the battery cell.

11. The aerosol generating device according to claim 7, characterized in that, Further comprising a bottom cover, and the bottom cover covers the base and seals the opening at the bottom end of the outer pipe.

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