CN218457300U

CN218457300U - Heating non-combustible smoking set

Info

Publication number: CN218457300U
Application number: CN202222410026.6U
Authority: CN
Inventors: 李雪; 林云燕; 陈时凯; 刘光烜; 陈家太; 周胜文
Original assignee: Smiss Technology Co Ltd
Current assignee: Smiss Technology Co Ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-02-10
Anticipated expiration: 2032-09-09

Abstract

The utility model discloses a smoking set without burning during heating, which comprises a heating cup, a heating body, an air guide layer and an airflow guide pipe; one end of the airflow guide pipe is connected with one end of the heating cup, the airflow guide pipe is communicated with the heating cup, and the heating cup is used for placing cigarettes; the air guide layer is arranged at one end of the airflow guide pipe close to the heating cup, an air guide pipe is arranged on the air guide layer, and the heating cup is communicated with the airflow guide pipe through the air guide pipe; the heating body is spirally arranged on the outer side wall of the airflow guide pipe; air enters from one end of the airflow conduit far away from the heating cup, forms spiral ascending airflow under the heating action of the spirally arranged heating body, and enters the heating cup through the air duct to heat cigarettes; the utility model discloses can improve heated air's flow at the inboard spiral air current that rises that forms of body.

Description

Heating non-combustible smoking set

Technical Field

The utility model relates to a heating incombustible technical field especially relates to a heating incombustible smoking set.

Background

At present, the non-combustible heating smoking set is mainly inserted into a cigarette in a needle type or a sheet type for heating, the heating needle heating sheet is easily broken in the pulling and inserting process in the mode, so that the use is influenced, the heating is started to heat the periphery from the central position of the cigarette, the temperature of the middle part is high, the side is low, and the integral heating is not uniform. The cigarette is heated by adopting an air heating mode, air is heated, and heated air forms ascending air flow to penetrate through the cigarette, so that the cigarette is uniformly heated.

However, the cigarette is heated by directly heating air to form an ascending air current, and the air current cannot go deep into the tobacco shreds to heat the tobacco shreds.

In order to solve the technical problems, the applicant discloses various heating non-combustion smoking sets and heating components thereof in patent document with publication number CN108095193A, according to the technical scheme, a spiral or step-shaped heating rod is arranged in a pipe body, so that a spiral or step-shaped flow guide channel is formed in the pipe body, and airflow is formed to enter a first cavity to heat cigarettes. However, the heating rod is arranged in the pipe body to occupy a certain space, thereby reducing the flow of hot air flow and reducing the smoking feeling when a user uses the smoking set.

Disclosure of Invention

An object of the utility model is to provide a heating does not burn smoking set sets up the heat-generating body in the body outside, at the inboard spiral air current that rises that forms of body, improves heated air's flow.

The utility model provides a smoking set which can not be burnt during heating, comprising a heating cup, a heating body, an air guide layer and an airflow guide pipe; one end of the airflow guide pipe is connected with one end of the heating cup, the airflow guide pipe is communicated with the heating cup, and the heating cup is used for placing cigarettes; the air guide layer is arranged at one end of the airflow guide pipe close to the heating cup, an air guide pipe is arranged on the air guide layer, and the heating cup is communicated with the airflow guide pipe through the air guide pipe; the heating body is spirally arranged on the side wall of the airflow guide pipe.

Furthermore, the airflow guide pipe is provided with an insulating bulge on one side of the heating body, the insulating bulge is arranged by extending the outer side wall of the airflow guide pipe outwards, and the outer diameter of the insulating bulge is larger than that of the heating body.

Further, the outer side of the airflow guide pipe is provided with a fixing groove, and the fixing groove is used for installing the heating body.

Further, the air duct is a through hole which penetrates through the air guiding layer.

Further, the air guide pipe extends into the heating cup.

Furthermore, the side wall of the air duct is provided with an air duct through hole.

Furthermore, the end part of the air duct is provided with a one-way valve.

Furthermore, a step part is arranged at one end of the airflow guide pipe close to the heating cup, a connecting groove is arranged on the heating cup corresponding to the step part, and the heating cup is fixedly connected with the airflow guide pipe through the matching of the step part and the connecting groove.

Furthermore, be equipped with oleophobic thermal radiation layer on the inside wall of heating cup.

Further, the heating device comprises electrodes and a power supply, wherein the electrodes are respectively connected to two ends of the heating body, and the heating body is electrically connected with the power supply through the electrodes.

The utility model has the advantages that:

the utility model discloses a set up spiral helicine heat-generating body on the lateral wall of air current pipe under the effect of heat-generating body, and pass through air current pipe heat conduction, consequently, when the heat-generating body passes through heat conduction with heat transfer to on the inside wall of air current pipe, the heat forms and is the spiral helicine uneven heat route that distributes, and then in air current pipe inside heats the air through spiral helicine heat route, thereby form the spiral ascending hot gas flow in the air current pipe, like this, get into through the air duct heat cigarette in the heating cup, spiral setting's heat-generating body can prolong the route of taking place heat conduction of air current and heat-generating body, thereby makes the air current in the spiral ascending process, the temperature is higher and higher, and the rising speed is faster and faster, and then the air current can get into the cigarette inside after getting into in the heating cup and heat, improves the heating effect to cigarette; meanwhile, the heating body can be prevented from occupying the space in the airflow pipe body, and the airflow in the airflow pipe body is effectively improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the first embodiment of the present invention.

Fig. 3 is a schematic structural view of a heating cup according to a first embodiment of the present invention.

Fig. 4 is a schematic structural view of an airflow duct according to a first embodiment of the present invention.

Fig. 5 is a schematic side view of the airflow duct according to the first embodiment of the present invention.

Fig. 6 isbase:Sub>A schematic sectional view atbase:Sub>A-base:Sub>A in fig. 5.

Fig. 7 is a partial schematic view of an airflow duct according to a second embodiment of the present invention.

Fig. 8 is a partial schematic view of an airflow duct according to a third embodiment of the present invention.

Fig. 9 is a partial schematic view of an airflow duct according to a fourth embodiment of the present invention.

Reference numerals: 1. an air flow conduit; 11. a gas-conducting layer; 111. an air duct; 112. an air guide through hole; 113. a one-way valve; 12. fixing the groove; 13. an insulating protrusion; 14. a step portion; 2. heating the cup; 3. a heating element; 31. a connecting groove; 32. an oleophobic thermal radiation layer; 4. an electrode; 5. a power source.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

A first embodiment.

Referring to fig. 1 and 2, a smoking set without burning during heating according to a first embodiment of the present invention includes a heating cup 2, a heating element 3, an air guiding layer 11 and an airflow guiding tube 1; one end of the airflow guide pipe 1 is connected with one end of the heating cup 2, the airflow guide pipe 1 is communicated with the heating cup 2, and the heating cup 2 is used for placing cigarettes; the air guide layer 11 is arranged at one end of the airflow guide pipe 1 close to the heating cup 2, an air guide pipe 111 is arranged on the air guide layer 11, and the heating cup 2 is communicated with the airflow guide pipe 1 through the air guide pipe 111; the heating body 3 is spirally arranged on the outer side wall of the airflow guide pipe 1.

During the use, the air is followed airflow conduit 1 keeps away from heating cup 2's one end gets into, because heat-generating body 3 is the spiral setting and is in on the airflow conduit 1 lateral wall, consequently, heat-generating body 3 reaches heat transfer through heat-conduction when on airflow conduit 1's the inside wall, the heat formation is the inhomogeneous heat route of spiral helicine distribution, and then airflow conduit 1 is inside to air heating through spiral helicine heat route to form spiral air current that rises, through air duct 111 gets into heating cup 2 internal heating cigarette props up.

The above arrangement, through set up spiral helicine heat-generating body 3 on the lateral wall of air current pipe 1 under the effect of heat-generating body 3, and pass through air current pipe 1 heat-conduction, consequently, heat-generating body 3 passes through heat-conduction with heat transfer extremely when on the inside wall of air current pipe 1, the heat formation is the inhomogeneous heat route of spiral helicine distribution, and then inside air heating through spiral helicine heat route of air current pipe 1, thereby form the spiral ascending hot gas flow in the air current pipe 1, like this, through air duct 111 gets into heat cigarette in the heating cup 2, spiral set up heat-generating body 3 can prolong the heat-conducting route of taking place of air current and heat-generating body 3, thereby make the air current in the spiral ascending in-process, the temperature is increasingly high, the rising speed of rising is increasingly fast, and then the air current gets into can get into a cigarette inside after in the heating cup 2 and heat, improves the heating effect to cigarette; meanwhile, the heating body 3 can be prevented from occupying the space in the airflow pipe body, and the airflow in the airflow pipe body is effectively improved.

Specifically, the gas-guide tubes 111 may be arranged on the gas-guide layer 11 in order or in disorder, and the cross section of the gas-guide tubes 111 may be circular, oval, triangular, rectangular or regular polygonal; in this embodiment, the shape of the gas-guiding tube 111 is preferably circular, and the aperture of the gas-guiding tube 111 may be uniform or non-uniform; the air guide tubes 111 are preferably arranged on the air guide layer 11 in order, and are arranged on the air guide layer 11 in a central matrix of the air guide layer 11, and the air guide tubes 111 penetrate through the air guide layer 11.

Specifically, the heating cup 2 is made of stainless steel or alumina ceramic material, and may also be made of other materials with heat conductivity.

Further, referring to fig. 2, 5-6, an insulating protrusion 13 is disposed on one side of the airflow duct 1 where the heating element 3 is disposed, and the insulating protrusion 13 is used to protect the heating element 3 and prevent the heating element 3 from contacting with external foreign objects to cause short circuit; the insulation protrusion 13 extends outwards from the outer side wall of the airflow guide pipe 1, and the minimum outer diameter of the insulation protrusion 13 is larger than the maximum outer diameter of the heating body 3.

In this embodiment, referring to fig. 4, the fixing grooves 12 are formed by being recessed from the insulating protrusions 13 and the side walls of the airflow duct 1, a part of the fixing grooves 12 on the insulating protrusions 13 is provided with process through holes for the heating element 3 to pass through, the insulating protrusions 13 are integrally formed from the airflow duct 1, and the insulating protrusions 13 are arranged on the outer side wall of the airflow duct 1 at equal intervals. The fixing groove 12 may be formed only on the insulating protrusion 13, and the fixing groove 12 may be formed only on the sidewall of the airflow duct 1.

In other embodiments, the insulating protrusion 13 is configured to match with the heating element in a spiral structure, and the shape of the insulating protrusion 13 can be adjusted according to the situation, so that the heating element 3 can be protected from being in contact with external foreign objects and causing short circuit.

Specifically, the shape of the outer edge of the cross section of the insulating protrusion 13 may be circular, rectangular or regular polygon, and may also be a plurality of protrusion structures arranged in a matrix with the central axis of the airflow duct 1 as an axis. Preferably, the cross-sectional outer edge shape of the insulating protrusion 13 in this embodiment is circular.

Further, referring to fig. 5 and 6, a fixing groove 12 is formed on the outer side of the airflow duct 1, and the fixing groove 12 is used for installing the heating element 3.

Specifically, fixed recess 12 can set up on the lateral wall of air current pipe 1, also can set up on insulating arch 13, fixed recess 12 corresponds heat-generating body 3 is sunken to be formed, like this, heat-generating body 3 can twine the setting and be in fixed recess 12, make heat-generating body 3 installation is more stable.

Further, referring to fig. 3 to fig. 6, a step portion 14 is disposed at one end of the airflow duct 1 close to the heating cup 2, a connecting groove 31 is disposed on the heating cup 2 corresponding to the step portion 14, and the heating cup 2 is fixedly connected to the airflow duct 1 by matching the step portion 14 with the connecting groove 31. Specifically, the connecting groove 31 is formed by recessing from the inner side wall of the heating cup 2, the cross-sectional shape of the connecting groove 31 is circular, and the cross-sectional shape of the step portion 14 is also correspondingly circular.

With the arrangement, the heating cup 2 can be directly installed on the airflow duct 1 in a snap-fit manner through the matching of the step part 14 and the connecting groove 31, so that the installation is facilitated.

Further, referring to fig. 3, an oleophobic thermal radiation layer 32 is disposed on an inner sidewall of the heating cup 2. Wherein the oleophobic thermal radiation layer 32 includes a two-layer structure; when making oil transportation heat radiation layer 32, at first after scribbling on the inside wall of heating cup 2 and establish the nanocarbon coating, scribble again and establish fluorine type coatings such as polytetrafluoroethylene or the oleophobic coating of polysiloxane that has the oleophobic function to form and have the oleophobic heat radiation layer 32 of oleophobic function and heat radiation function simultaneously.

Above setting up, through set up oleophobic thermal radiation layer 32 on 2 inside walls of heating cup that are used for placing the cigarette, be convenient for clean to heating cup 2 clean, simultaneously oleophobic thermal radiation layer 32 can realize the thermal radiation to cigarette surrounding space to improve the heating effect to the cigarette.

Further, please refer to fig. 2, further comprising an electrode 4 and a power supply 5, wherein the electrode 4 is respectively connected to two ends of the heating element 3, and the heating element 3 is electrically connected to the power supply 5 through the electrode 4.

Specifically, the electrodes 4 include a positive electrode 4 and a negative electrode 4, the two electrodes 4 are respectively connected to two ends of the heating element 3, please refer to fig. 2, one of the electrodes 4 is connected to the upper end of the heating element 3 and is disposed by penetrating through the airflow guide pipe 1, and the other electrode 4 is connected to the lower end of the heating element 3.

A second embodiment.

Referring to fig. 7, a smoking set according to a second embodiment of the present invention is different from the first embodiment in that the air duct 111 extends into the heating cup 2. Specifically, the pipe wall of air duct 111 stretches into set up in the heating cup 2, like this, be favorable to the hot gas flow that forms in the air current pipe 1 directly gets into cigarette inside, improves the heating effect to cigarette.

A third embodiment.

Referring to fig. 8, a smoking set without burning is different from the second embodiment in that an air duct 111 is provided with an air duct through hole 112 on a side wall thereof.

Above setting, on the one hand can pass through air duct 111 makes the air current get into a cigarette inside more easily and heats, and on the other hand, the air current can also pass through air guide through hole 112 lateral flow on the air duct 111, through the air current that air guide through hole 112 flows can heat the outward appearance of a cigarette, further improves the heating effect and the degree of consistency to a cigarette.

A fourth embodiment.

Referring to fig. 9, a difference between the smoking set without burning and the second embodiment of the present invention is that, in the present embodiment, a check valve 113 is disposed at an end of the air duct 111.

With the above arrangement, when the smoking set is used, the air in the airflow guide pipe 1 forms spiral ascending airflow under the heating action of the heating element 3, and the ascending airflow opens the one-way valve 113 and enters the heating cup 2 to heat cigarettes; the one-way valve 113 may be effective to prevent debris or dust from entering the airflow conduit 1 when smoking articles are not in use or when the airflow is insufficient to open the one-way valve 113.

In this embodiment, the one-way valve 113 is preferably a duckbill valve.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A smoking set without burning during heating is characterized by comprising a heating cup, a heating body, an air guide layer and an airflow guide pipe; one end of the airflow guide pipe is connected with one end of the heating cup, the airflow guide pipe is communicated with the heating cup, and the heating cup is used for placing cigarettes; the air guide layer is arranged at one end, close to the heating cup, of the airflow guide pipe, an air guide pipe is arranged on the air guide layer, and the heating cup is communicated with the airflow guide pipe through the air guide pipe; the heating body is spirally arranged on the outer side wall of the airflow guide pipe; the air is followed airflow conduit keeps away from the one end of heating cup gets into, at the spiral setting form spiral rising air current under the heat-generating body heating effect, through the air duct gets into heat cigarette in the heating cup.

2. The heated non-combustible smoking article of claim 1, wherein the air flow conduit is provided with an insulating protrusion on a side thereof where the heat generating body is provided, the insulating protrusion extending outwardly from an outer side wall of the air flow conduit, a minimum outer diameter of the insulating protrusion being larger than a maximum outer diameter of the heat generating body.

3. The heated non-combustible smoking article of claim 1, wherein the outer side of the air flow conduit is provided with a fixing groove for mounting the heating element.

4. The heated non-combustible smoking article of claim 1, wherein the gas-conducting tube is a through-hole disposed through the gas-conducting layer.

5. The heated non-combustible smoking article of claim 1, wherein the gas conduit extends inwardly of the heating cup.

6. The heated non-combustible smoking article of claim 5, wherein the side wall of the airway tube is provided with an airway through-hole.

7. The heated non-combustible smoking article of claim 5, wherein the end of the airway tube is provided with a one-way valve.

8. The heated non-combustible smoking article of claim 1, wherein said air flow conduit is provided with a stepped portion at an end adjacent said heating cup, said heating cup is provided with a connecting groove corresponding to said stepped portion, and said heating cup is fixedly connected to said air flow conduit by said stepped portion and said connecting groove cooperating.

9. The heated non-combustible smoking article of claim 1, wherein the inner sidewall of the heating cup is provided with an oleophobic thermal radiation layer.

10. The heated non-combustible smoking article of claim 1, further comprising electrodes and a power source, wherein the electrodes are connected to both ends of the heating element, respectively, and the heating element is electrically connected to the power source through the electrodes.