Aerosol-generating device

Abstract

The utility model relates to the technical field of aerosol generation, and particularly discloses an aerosol generation device which comprises a shell, a clamping piece, a guide piece and a cylinder body, the clamping piece is arranged on the shell, a through hole is formed in the clamping piece, the clamping piece is provided with an insertion opening, and an aerosol generating product is suitable for being arranged in the insertion opening in a penetrating mode; the guide piece is provided with a flow channel, and the flow channel is communicated with the through hole; a containing cavity used for containing an aerosol generating product is formed in the cylinder body, and the flow channel is communicated with the containing cavity. Through the mode, according to the embodiment of the utility model, the through hole is formed between the inner wall and the outer wall of the clamping piece, and the flow channel is formed between the inner wall and the outer wall of the guide piece, so that a fixed air inlet flow channel is formed by the aerosol generating device, and the air inlet channel is not influenced by an inserted aerosol generating product.

Description

Technical Field

[0001] The utility model relates to the technical field of aerosol generation, in particular to an aerosol generating device. Background Art

[0002] An aerosol generating device generally includes a heating component and an air flow channel communicating with the outside. An aerosol generating article is inserted into the aerosol generating device. The heating component is used to heat the aerosol generating article to generate aerosol, and the aerosol is sucked by the user as it flows with the air flow entering from the air flow channel.

[0003] Currently, the aerosol generating device further includes a housing and a clamping member. The clamping member is fixed to the housing, and a clamping boss protrudes from the inner wall of the clamping member. The clamping boss is used to clamp the aerosol generating article. There is a gap between the aerosol generating article and the inner wall of the clamping member to form an air inlet of the air flow channel. However, the gap formed between the clamping member and the aerosol generating article is affected by the inserted aerosol generating article, and the size of the gap is often not fixed. Summary of the Utility Model

[0004] The main technical problem to be solved by the utility model is to provide an aerosol generating device, which solves the problem that the gap formed between the clamping member and the aerosol generating article is affected by the inserted aerosol generating article and the size of the gap is not fixed.

[0005] To solve the above technical problem, a technical solution adopted by the utility model is: to provide an aerosol generating device, including a housing, a clamping member, a guiding member and a cylinder; the clamping member is arranged in the housing, the clamping member is provided with a through hole, the clamping member has an insertion port, and the aerosol generating article is adapted to pass through the insertion port; the guiding member is provided with a flow channel, and the flow channel communicates with the through hole; the cylinder has a receiving cavity for receiving the aerosol generating article, and the flow channel communicates with the receiving cavity.

[0006] Optionally, the flow channel includes a first guiding section and a bending section, and one end of the first guiding section communicates with the through hole;

[0007] One end of the bending section communicates with the other end of the first guiding section, and the other end of the bending section forms an air flow outlet, and the air flow outlet is used to guide the air flow to the receiving cavity.

[0008] Optionally, the air flow outlet is a flared opening.

[0009] Optionally, the guiding member is provided with a recess at the position of the air flow outlet, and the recessed space in the recess is a second guiding section, and the second guiding section is used to communicate the air flow outlet and the receiving cavity.

[0010] Optionally, the recessed portion is annular and surrounds the outer periphery of the aerosol generating article.

[0011] Optionally, the guiding member includes a first tube body, a connecting rib, and a second tube body. The second tube body is sleeved outside the first tube body, and the second tube body and the first tube body are connected by the connecting rib. A flow channel is defined between two adjacent connecting ribs, and the recessed portion is arranged on the first tube body.

[0012] Optionally, the first tube body protrudes from the second tube body towards the clamping member.

[0013] Optionally, the clamping member includes a clamping seat and a convex portion extending from the clamping seat. The first tube body abuts against the convex portion, and the second tube body abuts against the clamping seat.

[0014] Optionally, there are a plurality of through holes, and the plurality of through holes are spaced apart along the circumferential direction of the accommodating cavity;

[0015] There are a plurality of flow channels, and each flow channel corresponds to at least one through hole.

[0016] Optionally, a bearing portion is provided on the bottom wall of the cylinder body. The bearing portion is used to bear the aerosol generating article, so that an extension gap communicating with the accommodating cavity is formed between the bottom wall of the cylinder body and the aerosol generating article.

[0017] A flow gap is defined between the inner wall of the accommodating cavity and the outer peripheral wall of the aerosol generating article. The flow gap communicates with both the extension gap and the flow channel.

[0018] Optionally, the cross-section of the through hole is circular, oval or racetrack-shaped.

[0019] Optionally, it further includes a heating needle, and a through hole for the heating needle to pass through is provided on the bottom wall of the cylinder body.

[0020] Optionally, the cylinder body is a heating tube for heating the aerosol generating article.

[0021] In the embodiment of the present invention, by providing through holes in the clamping member and flow channels in the guiding member, and the through holes, the flow channels and the accommodating cavity are sequentially communicated to allow air flow to enter the accommodating cavity. Since the through holes are provided between the inner wall and the outer wall of the clamping member, and the flow channels are provided between the inner wall and the outer wall of the guiding member, a fixed air intake flow channel is formed in the aerosol generating device, and the air intake channel will not be affected by the inserted aerosol generating article. Description of the Drawings

[0022] To more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings required to be used in the embodiments of the present application. Obviously, the drawings described below are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on the drawings.

[0023] Figure 1 It is a partial structural schematic diagram of an aerosol generating device and an aerosol generating article according to an embodiment of the present utility model;

[0024] Figure 2 It is a partial structural explosion schematic diagram of an aerosol generating device according to an embodiment of the present utility model;

[0025] Figure 3 It is a structural cross-sectional schematic diagram of a part of an aerosol generating device and an aerosol generating article according to an embodiment of the present utility model;

[0026] Figure 4 is Figure 3 an enlarged schematic diagram of part A of

[0027] Figure 5 It is a structural schematic diagram of an alignment member of an aerosol generating device according to an embodiment of the present utility model;

[0028] Figure 6 It is a structural explosion schematic diagram of another aerosol generating device according to an embodiment of the present utility model;

[0029] Figure 7 It is a structural cross-sectional schematic diagram of a part of another aerosol generating device and an aerosol generating article according to an embodiment of the present utility model.

[0030] Explanation of reference numerals:

[0031] 100, aerosol generating device;

[0032] 1, housing;

[0033] 2, clamping member; 21, clamping seat; 22, convex portion; 221, through hole; 222, insertion port;

[0034] 3, alignment member; 31, flow channel; 311, first guiding section; 312, bending section; 313, second guiding section; 32, first tube body; 33, connecting rib; 34, second tube body; 35, weight reduction hole;

[0035] 4, cylinder; 41, bracket; 42, first cylinder; 421, receiving groove; 43, second cylinder; 431, accommodating cavity; 432, bearing portion; 433, through hole;

[0036] 5, heating needle;

[0037] 200, aerosol generating article. Detailed implementation manners

[0038] For ease of understanding the present utility model, the present utility model will be described in more detail below with reference to the accompanying drawings and specific embodiments. It should be noted that when an element is described as "locked 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 "vertical", "horizontal", "left", "right" and similar expressions used in this specification are only for the purpose of illustration.

[0039] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in this specification in the description of the present utility model are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. The term "and / or" used in this specification includes any and all combinations of one or more of the related listed items.

[0040] Please refer to Figures 1-3 , an aerosol generating device 100 is provided in an embodiment of the present application. The aerosol generating device 100 includes a housing 1, a clamping member 2, a guiding member 3 and a cylinder 4; the clamping member 2 is disposed on the housing 1, the clamping member 2 is provided with a through hole 221 for communicating with the outside, the clamping member 2 is provided with an insertion port 222, and the aerosol generating article 200 is adapted to pass through the insertion port 222; the guiding member 3 is provided with a flow channel 31, and the flow channel 31 communicates with the through hole 221; the cylinder 4 has a receiving cavity 431 for receiving the aerosol generating article 200, and the flow channel 31 communicates with the receiving cavity 431. By providing the through hole 221 in the clamping member 2, the flow channel 31 in the guiding member 3, and the through hole 221, the flow channel 31 and the receiving cavity 431 are sequentially communicated to allow air flow to enter the receiving cavity 431. Since the through hole 221 is provided between the inner wall and the outer wall of the clamping member 2, and the flow channel 31 is provided between the inner wall and the outer wall of the guiding member 3, the aerosol generating device 100 forms a fixed air intake flow channel, and the air intake channel is not affected by the inserted aerosol generating article 200.

[0041] In some embodiments, please refer to Figure 4, the flow channel 31 includes a first guiding section 311 and a bending section 312. The first guiding section 311 communicates with the through hole 221. One end of the bending section 312 communicates with the other end of the first guiding section 311, and the other end of the bending section 312 forms an air flow outlet. The air flow outlet is used to guide the air flow to the accommodation cavity 431 for use when the user inhales the aerosol generating article 200. As an example, the shape of the air flow outlet is a flared opening.

[0042] In some embodiments, referring to Figure 4 , the guiding member 3 is provided with a recess at the position of the air flow outlet. The concave space of the recess is the second guiding section 313. The second guiding section 313 is used to communicate the air flow outlet and the accommodation cavity 431, which is beneficial to guiding the air flow towards the bottom wall of the cylinder 4. As an example, the shape of the recess is annular and surrounds the outer periphery of the aerosol generating article 200.

[0043] In some embodiments, referring to Figure 2 and Figure 3 , the guiding member 3 includes a first tube body 32, a connecting rib 33 and a second tube body 34. The second tube body 34 is sleeved outside the first tube body 32. The second tube body 34 and the first tube body 32 are connected by the connecting rib 33. A flow channel 31 is defined between two adjacent connecting ribs 33, that is, the flow channel 31 is formed by the second tube body 34, the first tube body 32 and two adjacent connecting ribs 33 surrounding it. The recess is arranged on the first tube body 32. The first tube body 32 is used to guide and correct the aerosol generating article 200, prevent the aerosol generating article 200 from being inserted into the accommodation cavity 431 obliquely, and improve the user experience.

[0044] In some embodiments, referring to Figure 5 , a weight reduction hole 35 is also defined between two adjacent connecting ribs 33, that is, the weight reduction hole 35 is formed by the second tube body 34, the first tube body 32 and two adjacent connecting ribs 33 surrounding it. The weight reduction hole 35 is used to reduce the weight of the guiding member 3. In some embodiments, the flow channel 31 is the one that communicates with the accommodation cavity 431 between two adjacent connecting ribs 33, and the one that does not communicate with the accommodation cavity 431 is the weight reduction hole 35.

[0045] In some embodiments, referring to Figure 2 and Figure 3 , one end of the first tube body 32 facing the clamping member 2 protrudes from the second tube body 34. The clamping member 2 includes a clamping seat 21 and a convex portion 22 extending from the clamping seat 21. The first tube body 32 abuts against the convex portion 22, and the second tube body 34 abuts against the clamping seat 21. The insertion port 222 and the through hole 221 are both arranged on the convex portion 22 so that the convex portion 22 clamps the aerosol generating article 200.

[0046] In some embodiments, the clamping member 2 is made of a flexible material, and the through hole 221 is provided in the convex portion 22, so that the convex portion 22 has a deformation space, thereby better accommodating the tolerance between the insertion port 222 and the outer surface of the aerosol generating article 200, and optimizing the force for inserting and removing the aerosol generating article 200. As an example, the flexible material is silica gel.

[0047] In some embodiments, the number of the through holes 221 is plural, and the plural through holes 221 are spaced apart along the circumferential direction of the accommodating cavity 431; the number of the flow channels 31 is plural, and each flow channel 31 corresponds to at least one through hole 221.

[0048] In some embodiments, referring to Figure 3 , a bearing portion 432 is provided on the bottom wall of the barrel 4, and the bearing portion 432 is used for bearing the aerosol generating article 200, so that an extension gap communicating with the accommodating cavity 431 is formed between the bottom wall of the barrel 4 and the aerosol generating article 200. A flow gap is defined between the inner wall of the accommodating cavity 431 and the outer peripheral wall of the aerosol generating article 200. The flow gap communicates with both the extension gap and the flow channel 31. Thus, when the user sucks, the external air flow flows along the through hole 221, the flow channel 31, the flow gap, the extension gap and the aerosol generating article 200 to the user, as Figure 3 shown by the air flow direction R in

[0049] In some embodiments, the cross-sectional shape of the through hole 221 is circular, oval or racetrack-shaped.

[0050] In some embodiments, referring to Figure 2 and Figure 3 , the aerosol generating device 100 further includes a heating needle 5. A through hole 433 is provided in the bottom wall of the barrel 4, and the through hole 433 communicates with the accommodating cavity 431. The heating needle 5 is provided in the housing 1, and at least a part of the heating needle 5 passes through the through hole 433 and extends into the accommodating cavity 431. The heating needle 5 is used for inserting into the aerosol generating article 200 to heat the aerosol generating article 200 to generate aerosol.

[0051] In some embodiments, in order to facilitate the separation of the heating needle 5 from the aerosol generating article 200, the housing 1 includes a bottom case and an upper cover. The upper cover is detachably provided on the bottom case. The barrel 4 is fixed to the upper cover, and the heating needle 5 is fixed to the bottom case. When the user separates the upper cover from the bottom case, the upper cover drives the clamping member 2, the guiding member 3 and the barrel 4 to separate from the bottom case, so that the heating needle 5 is separated from the aerosol generating article 200.

[0052] In some embodiments, referring to Figure 2 and Figure 3, the cylinder body 4 includes a bracket 41, a first cylinder body 42 and a second cylinder body 43. The bracket 41 is fixedly connected to the housing 1, and the bracket 41 and the housing 1 clamp the clamping seat 21, thereby fixing the clamping member 2. The first cylinder body 42 is fixed to the bracket 41. The first cylinder body 42 is provided with a receiving groove 421. The receiving groove 421 communicates with the accommodating cavity 431. The receiving groove 421 receives the guiding member 3. The second cylinder body 43 is fixed to the first cylinder body 42. The accommodating cavity 431, the through hole 433 and the bearing portion 432 are all provided on the second cylinder body 43.

[0053] It can be understood that, in some embodiments, please refer to Figure 6 and Figure 7 , the aerosol generating device 100 is not limited to the above structure. The aerosol generating device 100 can be of other structures. The aerosol generating device does not include the heating needle 5. The cylinder body 4 is a heating tube for heating the aerosol generating article 200. Specifically, the second cylinder body 43 is a heating tube for heating the aerosol generating article 200. As an example, the second cylinder body 43 is a heating tube heated by resistance. As another example, the second cylinder body 43 is a susceptor for electromagnetic heating. Further, at least a part of the second cylinder body 43 is inserted into the receiving groove 421.

[0054] It should be noted that the description and drawings of the present invention give the preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described in this specification. These embodiments do not impose additional limitations on the content of the present invention. The purpose of providing these embodiments is to make the understanding of the disclosed content of the present invention more thorough and comprehensive. Moreover, 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 invention; further, for those of ordinary skill in the art, modifications or variations can be made according to the above description, and all such modifications and variations should fall within the protection scope of the appended claims of the present invention.

Claims

1. An aerosol generating device, characterized in that, Comprising: A housing; A clamping member disposed on the housing, the clamping member being provided with a through hole and having an insertion opening, and an aerosol generating article being adapted to pass through the insertion opening; A guiding member provided with a flow channel, the flow channel being in communication with the through hole; A cylinder having a receiving cavity for receiving an aerosol generating article therein, the flow channel being in communication with the receiving cavity.

2. The aerosol generating device according to claim 1, wherein The flow channel includes a first guiding section and a bending section, one end of the first guiding section being in communication with the through hole; One end of the bending section is in communication with the other end of the first guiding section, and the other end of the bending section forms an air flow outlet for guiding the air flow to the receiving cavity.

3. The aerosol generating device according to claim 2, wherein The air flow outlet is a flared opening.

4. The aerosol generating device according to claim 2, characterized in that, The guiding member is provided with a recess at the position of the air flow outlet, and the recessed space of the recess is a second guiding section for communicating the air flow outlet and the receiving cavity.

5. The aerosol generating device according to claim 4, characterized in that, The recess is annular and surrounds the outer periphery of the aerosol generating article.

6. The aerosol generating device according to claim 4, wherein The guiding member includes a first tube body, connecting ribs and a second tube body, the second tube body being sleeved outside the first tube body, the second tube body and the first tube body being connected by the connecting ribs, and a flow channel being defined between two adjacent connecting ribs, and the recess being provided on the first tube body.

7. The aerosol generating device according to claim 6, wherein, The first tube body protrudes from the second tube body towards the clamping member.

8. The aerosol generating device according to claim 7, wherein, The clamping member includes a clamping seat and a convex portion extending from the clamping seat, the first tube body abutting against the convex portion, and the second tube body abutting against the clamping seat.

9. The aerosol generating device according to claim 1, wherein The through holes are multiple, and the multiple through holes are spaced apart along the circumferential direction of the receiving cavity; The flow channels are multiple, and each flow channel corresponds to at least one of the through holes.

10. The aerosol generating device according to claim 1, wherein, The bottom wall of the cylinder is provided with a bearing portion for bearing the aerosol generating article, so that a extending gap communicating with the receiving cavity is formed between the bottom wall of the cylinder and the aerosol generating article, and a flow gap is defined between the inner wall of the receiving cavity and the outer peripheral wall of the aerosol generating article, and the flow gap is in communication with both the extending gap and the flow channel.

11. The aerosol generating device according to claim 1, wherein, The cross section of the through hole is circular, elliptical or racetrack-shaped.

12. The aerosol generating device according to claim 1, wherein, It further includes a heating needle, and the bottom wall of the cylinder is provided with a through hole for the heating needle to pass through.

13. The aerosol generating device according to claim 1, wherein, The cylinder is a heating tube for heating an aerosol generating article.

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