Heating cigarette smoking set

Abstract

The utility model discloses a heating cigarette smoking set, and relates to the technical field of cigarette heating. The heating cigarette smoking set comprises a heating cavity, a heating assembly and a heat insulation structure. Wherein an inserting opening is formed in one end of the heating cavity, and a cigarette is inserted into the heating cavity through the inserting opening; the heating assembly is arranged in the heating cavity to heat the cigarette; the heat insulation structure is arranged in the heating cavity and located at the position corresponding to the connecting position of the tobacco shred section and the filter stick section of the cigarette when the cigarette is inserted into the heating cavity. The heat insulation structure is arranged in the heating cavity and located at the position corresponding to the connecting position of the tobacco shred section and the filter rod section of the cigarette when the cigarette is inserted into the heating cavity, heat conduction between sucked external air and the connecting position of the tobacco shred section and the filter rod section is effectively prevented, the condensation phenomenon is reduced, and tobacco tar stains are reduced; therefore, the smoking experience of the user is improved. In addition, through the arrangement of the heat insulation structure, the heat loss of the tobacco shred section can be reduced, and the heating efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a cigarette heating technical field, in particular to a kind of heating cigarette set. BACKGROUND

[0002] Heating cigarette set, using resistance heating or electromagnetic heating etc., by heating the cut tobacco matrix of cigarette, generates inhalable aerosol. Specifically, heating cigarette set is heated to the tobacco component containing a certain proportion of atomizing agent, produces hot aerosol, and hot aerosol mixes with inhaled external air and atomizes after temperature reduction, forms the mist containing nicotine. Heating cigarette set has low heating temperature, relatively safe, hygienic and other characteristics, therefore, it develops rapidly on international market.

[0003] However, the highest heat temperature of tobacco segment is usually about 300 DEG C, and the radial periphery temperature can reach 200 DEG C at most. In the process of suction, inhaled external air can exchange heat with the connecting part of cut tobacco segment and filter segment. When heated cigarette contains high moisture content or external environment humidity is larger, condensation phenomenon is prone to occur, which can produce tobacco tar stain on the outer surface of cigarette, thereby affecting the suction experience of user.

[0004] Therefore, a kind of heating cigarette set capable of reducing condensation phenomenon and improving user experience is needed. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the purpose of the utility model is to provide a kind of heating cigarette set capable of reducing condensation phenomenon and improving user experience.

[0006] The technical scheme provided by the utility model is as follows:

[0007] A kind of heating cigarette set, comprising:

[0008] Heating cavity, one end is provided with the plug-in interface, and cigarette is inserted into the heating cavity through the plug-in interface;

[0009] Heating assembly, is set in the heating cavity to heat the cigarette;

[0010] Heat insulation structure, is set in the heating cavity, and when the cigarette is inserted into the heating cavity, the corresponding position of the connecting part of cut tobacco segment and filter stick segment of the cigarette.

[0011] Further, the heat insulation structure is annular structure, and the axial length of the annular structure is not less than 2mm.

[0012] Further, the material of the heat insulation structure is PEEK.

[0013] Further, the radial inner diameter of the annular structure is less than the diameter of the cut tobacco segment of the cigarette.

[0014] And / or, the thickness of the ring-shaped structure is less than 1mm.

[0015] Further, the ring-shaped structure is provided with a tapered port near one end of the plug-in interface, which gradually shrinks along the cigarette insertion direction.

[0016] Further, the heating assembly comprises:

[0017] a battery installed at one end of the heating cavity away from the plug-in interface;

[0018] a heating device;

[0019] a control circuit for connecting the battery and the heating device.

[0020] Further, the heating device is a non-contact heating device.

[0021] The inner diameter of the plug-in interface is greater than the diameter of the cigarette, and the difference between them is in the range of 1mm-2mm.

[0022] Further, the heating device is an electromagnetic induction heating device, and the electromagnetic induction heating device and the heating cavity are an integral structure.

[0023] Further, the heating device is a contact heating device, and the heating cavity is provided with a detachable separator, which is inserted into the heating cavity through the plug-in interface, and the cigarette is inserted into the detachable separator and contacts the contact heating device.

[0024] The heat insulation structure is arranged in the detachable separator.

[0025] Further, the inner diameter of the detachable separator is greater than the diameter of the cigarette.

[0026] Compared with the prior art, the cigarette heating device provided by the embodiment of the present application at least has the following technical effects:

[0027] By arranging the heat insulation structure in the heating cavity, when the cigarette is inserted into the heating cavity, the heat insulation structure is located at the corresponding position of the connection between the tobacco segment and the filter segment of the cigarette, which effectively prevents the inhaled external air from conducting heat at the connection between the tobacco segment and the filter segment, reduces the occurrence of condensation phenomenon, and reduces the generation of tar stains, thereby improving the smoking experience of the user. In addition, by arranging the heat insulation structure, the heat loss of the tobacco segment can be reduced, which helps to improve the heating efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0028] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 This is a schematic diagram of the structure of a heated cigarette device according to one embodiment of the present invention;

[0030] Figure 2 For the cigarette insert of this utility model Figure 1 A schematic diagram of the structure inside the heating chamber;

[0031] Figure 3 This is a schematic diagram of the structure of the cigarette stick of this utility model;

[0032] Figure 4 This is a schematic diagram of the structure of a heated cigarette device according to another embodiment of the present invention;

[0033] Figure 5 For the cigarette insert of this utility model Figure 4 A schematic diagram of the structure inside the heating chamber.

[0034] Figure label:

[0035] 10. Heating chamber; 11. Insertion interface; 12. Extractable separator; 20. Cigarette stick; 21. Tobacco shreds; 22. Filter rod; 31. Battery; 32. Heating device; 321. Electromagnetic induction heating device; 322. Contact heating device; 33. Control circuit; 40. Heat insulation structure; 41. Gradient opening. Detailed Implementation

[0036] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0037] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly set on the other component; when a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to the other component.

[0038] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, and cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the present application.

[0039] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "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", "several" is two or more, unless otherwise explicitly specified.

[0040] It should be understood that the structure, proportion, size and the like shown in the drawings of the present application are only used to cooperate with the content disclosed in the description, for understanding and reading by those skilled in the art, and do not have technical significance, any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application.

[0041] An embodiment of the present application provides a heating cigarette utensil, which comprises a heating cavity 10, a heating assembly and a heat insulation structure 40. The heating cavity 10 is provided with a plug-in interface 11 at one end, and a cigarette 20 is inserted into the heating cavity 10 through the plug-in interface 11; the heating assembly is arranged in the heating cavity 10 for heating the cigarette 20; the heat insulation structure 40 is arranged in the heating cavity 10 and located at a position corresponding to a connection between a tobacco segment 21 and a filter segment 22 of the cigarette 20 when the cigarette 20 is inserted into the heating cavity 10. When the cigarette 20 is inserted into the heating cavity 10, the heat insulation structure 40 covers at least a range of 2mm of the position corresponding to the connection between the tobacco segment 21 and the filter segment 22. The heating cigarette utensil has a simple structure and low cost.

[0042] By arranging the heat insulation structure 40 in the heating cavity 10, the heat insulation structure 40 is located at a position corresponding to the connection between the tobacco segment 21 and the filter segment 22 of the cigarette 20 when the cigarette 20 is inserted into the heating cavity 10, which effectively prevents the inhaled external air from conducting heat at the connection between the tobacco segment 21 and the filter segment, reduces the occurrence of condensation, and reduces the generation of tobacco tar stains, thereby improving the smoking experience of the user. In addition, by arranging the heat insulation structure 40, the heat loss of the tobacco segment 21 can be reduced, which helps to improve the heating efficiency.

[0043] In some optional embodiments, the heat insulation structure 40 is an annular structure, and an axial length of the annular structure is not less than 2 mm. In this way, the heat insulation structure 40 is arranged in the annular structure, so as to effectively wrap the joint of the tobacco segment 21 and the filter segment 22 of the cigarette 20, and further enhance the heat insulation effect.

[0044] In some optional embodiments, the material of the heat insulation structure 40 can be a high-temperature-resistant heat insulation polymer material. In a specific embodiment, the material of the heat insulation structure 40 is polyether ether ketone (PEEK), which has excellent heat resistance and can be used for a long time in the working environment of heating cigarettes without failure, thereby improving the durability of the product.

[0045] In some optional embodiments, the inner diameter of the annular structure is less than the diameter of the tobacco segment 21 of the cigarette 20. In a specific embodiment, the inner diameter of the annular structure is less than the diameter of the tobacco segment 21 of the cigarette 20 by 0.5 mm.

[0046] In some optional embodiments, the thickness of the annular structure is less than 1 mm.

[0047] In some optional embodiments, the annular structure is provided with a tapered port 41 at one end close to the insertion port 11, and the tapered port 41 gradually shrinks in the insertion direction of the cigarette 20, thereby facilitating the insertion of the cigarette 20 into the annular structure.

[0048] In some optional embodiments, the heating assembly includes a battery 31, a heating device 32, and a control circuit 33. The battery 31 is arranged at one end of the heating cavity 10 away from the insertion port 11. The control circuit 33 is used to connect the battery 31 and the heating device 32, so as to control the heating process.

[0049] In some optional embodiments, the heating device 32 is a non-contact heating device. The inner diameter of the insertion port 11 is greater than the diameter of the cigarette 20, and the difference therebetween is in the range of 1 mm-2 mm.

[0050] In a specific embodiment, the heating device 32 is an electromagnetic induction heating device 321, and the electromagnetic induction heating device 321 and the heating cavity 10 are an integral molding structure. More specifically, the electromagnetic induction heating device 321 is arranged on the inner wall of the heating cavity 10 in an integral molding connection mode. The heat insulation structure 40 is connected in the heating cavity 10 through a connecting piece, which can be but is not limited to a flange.

[0051] In some optional embodiments, the heating device 32 is a contact heating device 322, and the extractable separator 12 is arranged in the heating cavity 10 and is inserted into the heating cavity 10 through the plug interface 11, and the cigarette 20 is inserted into the extractable separator 12 and is in contact with the contact heating device 322; and the heat insulation structure 40 is arranged in the extractable separator 12. Through the arrangement of the extractable separator 12, the user can take out the cigarette 20 after use and clean it, thereby improving the hygiene.

[0052] In some optional embodiments, the inner diameter of the extractable separator 12 is greater than the diameter of the cigarette 20. In a specific embodiment, the inner diameter of the extractable separator 12 is 1 mm greater than the diameter of the cigarette 20.

[0053] The above description of disclosed embodiments enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A heated cigarette smoking device, characterized in that, include: The heating chamber has an insertion interface at one end, through which a cigarette is inserted into the heating chamber. A heating assembly is disposed within the heating chamber to heat the cigarette; A heat insulation structure is provided inside the heating cavity and is located at the corresponding position where the tobacco section of the cigarette connects to the filter rod section when the cigarette is inserted into the heating cavity.

2. The heated cigarette smoking device according to claim 1, characterized in that, The heat insulation structure is a ring structure, and the axial length of the ring structure is not less than 2mm.

3. The heated cigarette smoking device according to claim 2, characterized in that, The insulation structure is made of PEEK.

4. The heated cigarette smoking device according to claim 2, characterized in that, The radial inner diameter of the annular structure is smaller than the diameter of the tobacco shreds in the cigarette stick; And / or, the thickness of the annular structure is less than 1 mm.

5. The heated cigarette smoking device according to claim 2, characterized in that, The annular structure has a tapered opening at one end near the insertion interface, and the tapered opening gradually narrows along the direction of cigarette insertion.

6. The heated cigarette smoking device according to claim 1, characterized in that, The heating component includes: The battery is installed at the end of the heating cavity away from the connector. Heating device; A control circuit for connecting the battery and the heating device.

7. The heated cigarette smoking device according to claim 6, characterized in that, The heating device is a non-contact heating device; The inner diameter of the insertion interface is larger than the diameter of the cigarette, and the difference between the two is in the range of 1mm-2mm.

8. The heated cigarette smoking device according to claim 7, characterized in that, The heating device is an electromagnetic induction heating device, and the electromagnetic induction heating device and the heating cavity are integrally formed.

9. The heated cigarette smoking device according to claim 6, characterized in that, The heating device is a contact heating device. An extractable separator is installed in the heating chamber. The extractable separator is inserted into the heating chamber through the insertion interface. The cigarette is inserted into the extractable separator and comes into contact with the contact heating device. The heat insulation structure is installed inside the extractable separator.

10. The heated cigarette smoking device according to claim 9, characterized in that, The inner diameter of the extractable separator is larger than the diameter of the cigarette.

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