Suction nozzle of heat-not-burn device and heat-not-burn device

Abstract

The utility model relates to the technical field of heating non-combustion equipment, in particular to a suction nozzle of a heating non-combustion device and the heating non-combustion device. The aerosol conveying air channel comprises a first conveying section and a second conveying section which are communicated with each other, the first conveying section is communicated with the suction opening through the second conveying section so that aerosol can be conveyed towards the suction opening, and the inner diameter of the second conveying section is larger than that of the first conveying section. As the suction nozzle is arranged on the heating non-combustion device, the suction nozzle can be reused, and the use cost can be reduced; and since the suction nozzle does not need to be integrated on the aerosol product, an aerosol transmission air passage with a first transmission section and a second transmission section can be arranged in the suction nozzle, and the inner diameter of the second transmission section is larger than that of the first transmission section, the aerosol can be diffused and cooled after entering the second transmission section, materials do not need to be changed, and the use cost is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of heat-not-burn devices, in particular to a mouthpiece of a heat-not-burn device and a heat-not-burn device. BACKGROUND

[0002] The heat-not-burn device generates aerosol by heating an aerosol generating article, which usually has a smoking section, a cooling section and a filter section. The smoking section is heated to generate aerosol, and the generated aerosol is cooled by the space of the cooling section.

[0003] Limited by the limited length and diameter of the aerosol generating article, the cooling effect of the cooling section is mostly limited, and improving the cooling effect of the cooling section usually requires changing the material of the cooling section, resulting in increased use cost. CONTENT OF THE UTILITY MODEL

[0004] The present application provides a mouthpiece of a heat-not-burn device and a heat-not-burn device which help to reduce use cost.

[0005] According to a first aspect, in an embodiment, a mouthpiece of a heat-not-burn device is provided, the mouthpiece comprising:

[0006] a suction port;

[0007] and an aerosol transmission air channel, the aerosol transmission air channel comprising a first transmission section and a second transmission section in communication with each other, the first transmission section being in communication with the suction port through the second transmission section to transmit aerosol towards the suction port, the inner diameter of the second transmission section being greater than the inner diameter of the first transmission section.

[0008] In an embodiment, the second transmission section has a first variable diameter portion near one end of the first transmission section, the second transmission section being connected to the first transmission section through the first variable diameter portion, the inner diameter of the first variable diameter portion gradually increasing from the one end connected to the first transmission section to the other end away from the first transmission section.

[0009] In an embodiment, the air channel wall of the first variable diameter portion is arranged as an arc surface, the circular arc angle of the arc surface being not greater than 90°.

[0010] In an embodiment, the aerosol transmission air channel further comprises a collection section for collecting aerosol, the collection section being arranged on the side of the first transmission section away from the second transmission section, the inner diameter of the first transmission section being smaller than the inner diameter of the collection section.

[0011] In an embodiment, the inner diameter ratio of the first transmission section to the collection section is 1:8-1:4.

[0012] In an embodiment, the collecting section has a second variable-diameter portion near one end of the first transmission section, and the collecting section is connected to the first transmission section through the second variable-diameter portion, and the inner diameter of the second variable-diameter portion gradually decreases from the end away from the first transmission section to the end connected to the first transmission section.

[0013] In an embodiment, the air channel wall of the second variable-diameter portion is arranged as a curved surface, and the angle of the circular arc of the curved surface is not greater than 90°.

[0014] In an embodiment, a gas supply layer is arranged in the side wall of the suction nozzle, and the gas supply layer has an air inlet and an air outlet, the air inlet is used to communicate the gas supply layer with the outside of the suction nozzle, and the air outlet is used to communicate the gas supply layer with the side of the first transmission section away from the suction port.

[0015] In an embodiment, the length of the air inlet from the end of the suction port is not less than 5 mm.

[0016] According to the second aspect, in an embodiment, a heating non-combustion device is provided, which includes a main machine and the suction nozzle of the heating non-combustion device according to any one of the above embodiments, and the suction nozzle of the heating non-combustion device is arranged in the main machine.

[0017] According to the suction nozzle of the heating non-combustion device of the above embodiments, the suction nozzle is provided with a suction port and an aerosol transmission air channel having a first transmission section and a second transmission section, and because the inner diameter of the second transmission section is greater than that of the first transmission section, the space in the second transmission section is relatively large, so that the aerosol can be diffused and cooled after entering the second transmission section. By arranging the suction nozzle with the cooling function in the heating non-combustion device, on the one hand, the suction nozzle can be reused, which helps to reduce the use cost; on the other hand, because the suction nozzle does not need to be integrated on the aerosol product, the design freedom of the structure of the suction nozzle is higher, which helps to reduce the design difficulty of the cooling structure, so that the function of reducing the temperature of the aerosol can be realized by designing the internal shape of the suction nozzle. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 FIG. 1 is a structural schematic diagram of a suction nozzle of a heating non-combustion device according to an embodiment;

[0019] Figure 2 FIG. 2 is a partial structural schematic diagram of a heating non-combustion device according to an embodiment.

[0020] In the drawings, 100 is a suction port; 110 is a filter element;

[0021] 200 is an aerosol transmission air channel; 210 is a first transmission section; 220 is a second transmission section; 221 is a first variable-diameter portion; 230 is a collecting section; 231 is a second variable-diameter portion;

[0022] 300, air supply layer; 310, air inlet; 320, air outlet; 321, one-way valve;

[0023] 400, host; 410, heating cavity; 420, air guide layer; 421, air supply port. DETAILED DESCRIPTION

[0024] The application will be described in further detail below with reference to the drawings. Like elements in different embodiments are denoted by like reference numerals. In the following embodiments, many details are described in order to provide a more thorough description of the application. However, it will be apparent to those skilled in the art that some features can be omitted in different cases, or replaced by other elements, materials, methods. In some cases, some operations related to the application are not shown or described in the specification, in order to avoid the core of the application being overwhelmed by too much description, and it is not necessary for those skilled in the art to describe these related operations in detail according to the description in the specification and general technical knowledge in the art.

[0025] In addition, the features, operations or characteristics described in the specification can be combined in any appropriate manner to form various embodiments. At the same time, the steps or actions in the method description can also be sequentially adjusted or adjusted in a manner that is obvious to those skilled in the art. Therefore, the various sequences in the specification and drawings are only for the purpose of clearly describing a certain embodiment, and do not mean that the sequence is necessary, unless otherwise stated that a certain sequence must be followed.

[0026] The serial numbers of the components in this paper, such as "first", "second", etc., are only used to distinguish the described objects, and do not have any sequence or technical meaning. The "connection" and "coupling" in this application include direct and indirect connections (couplings) unless otherwise specified.

[0027] The aerosol product matched with the heat-not-burn device generally has a smoking segment, a cooling segment and a filter segment. When in use, the heat-not-burn device heats the smoking segment of the aerosol product, so that the smoking segment generates aerosol. The user smokes through the filter segment, and the aerosol generated by the smoking segment is sucked out after passing through the cooling segment and the filter segment. The space in the cooling segment can cool the aerosol, but the cooling effect is usually limited due to the limited length and diameter of the aerosol product. The improvement method of replacing the material of the cooling segment to improve the cooling effect is relatively high in cost.

[0028] In the embodiments of the present application, the heating non-combustion device is provided with a mouthpiece. On the one hand, the mouthpiece can be reused, and the aerosol product only needs to have a smoking section, which helps to reduce the use cost. On the other hand, the structure design freedom of the mouthpiece is higher because it does not need to be integrated on the aerosol product. By providing the aerosol transmission air duct 200 with the first transmission section 210 and the second transmission section 220 in the mouthpiece, and making the inner diameter of the second transmission section 220 larger than the inner diameter of the first transmission section 210, the aerosol can be diffused and cooled after entering the second transmission section 220, which helps to reduce the design difficulty of the cooling structure and has a better cooling effect under the condition of the same cooling structure material.

[0029] Embodiments of the mouthpiece of the heating non-combustion device in the present application:

[0030] In one embodiment, a mouthpiece of a heating non-combustion device is provided. Please refer to Figure 1 The mouthpiece has a suction port 100 and an aerosol transmission air duct 200 that are in communication with each other. The suction port 100 is used for a user to suck. The suction port 100 can be provided with a filter 110 or other suction accessories. The aerosol transmission air duct 200 is used to transmit aerosol to the suction port 100 when the user sucks.

[0031] In one embodiment, please refer to Figure 1 The aerosol transmission air duct 200 includes a first transmission section 210 and a second transmission section 220 that are in communication with each other. The first transmission section 210 is connected to the suction port 100 through the second transmission section 220 to transmit aerosol towards the suction port 100. The inner diameter of the second transmission section 220 is larger than that of the first transmission section 210, so that the space in the second transmission section 220 is relatively large. After the aerosol enters the second transmission section 220 through the first transmission section 210, it can be diffused and cooled, which helps to improve the cooling effect. Moreover, aerosol particles are easy to collide and agglomerate during the diffusion process, which helps to improve the suction taste and make the suction taste more full and thick.

[0032] In one embodiment, please refer to Figure 1 The second transmission section 220 has a first variable diameter portion 221 at one end close to the first transmission section 210. The second transmission section 220 is connected to the first transmission section 210 through the first variable diameter portion 221. The inner diameter of the first variable diameter portion 221 gradually increases from one end connected to the first transmission section 210 to the other end away from the first transmission section 210. The first variable diameter portion 221 is provided so that the connection between the second transmission section 220 and the first transmission section 210 is in the shape of a bell mouth. The diffusion path of aerosol particles can be changed when they collide with the sidewall of the first variable diameter portion 221 during the diffusion process, which helps to improve the probability of collision and agglomeration of aerosol particles and further improve the suction taste.

[0033] In some embodiments, please refer toFigure 1 The airway wall of the first variable diameter portion 221 can be provided as a curved surface, and the angle of the circular arc of the curved surface is not greater than 90°, so that the normal angles corresponding to different positions on the airway wall of the first variable diameter portion 221 are different, which helps to improve the disorder of the movement of the aerosol particles in the diffusion process, and further improves the collision and agglomeration probability of the aerosol particles in the diffusion process. Of course, in other embodiments, the inner cavity of the first variable diameter portion 221 can also be provided as a circular truncated cone, so that the airway wall of the first variable diameter portion 221 is formed by a series of inclined straight line segments surrounding the axis of the first variable diameter portion 221.

[0034] In an embodiment, please refer to Figure 1 The aerosol delivery airway 200 further comprises a collection section 230 for collecting aerosol, the collection section 230 is arranged on the side of the first delivery section 210 away from the second delivery section 220, and the inner diameter of the first delivery section 210 is smaller than that of the collection section 230. The collection section 230 can be understood as the part of the aerosol delivery airway 200 for connecting with the component in the heat-not-burn device for generating aerosol, and the aerosol can be collected through the collection section 230, and the aerosol in the puffing interval and the puffing process can also be buffered.

[0035] Those skilled in the art should know that, since the inner diameter of the first delivery section 210 is smaller than that of the collection section 230, when the aerosol enters the first delivery section 210 from the collection section 230, the flow velocity will increase due to the decrease of the flow cross-sectional area according to the continuity equation in fluid mechanics; at the same time, according to Bernoulli's principle, the increase of the flow velocity of the aerosol will lead to the decrease of the static pressure of the aerosol, which helps to further promote the acceleration of the aerosol. That is to say, the appropriate inner diameter ratio between the first delivery section 210 and the collection section 230 helps to accelerate the delivery of the aerosol, so that the aerosol can reach the required flow rate, such as 120-200 mL / s, etc. Exemplarily, in an embodiment, the inner diameter ratio of the first delivery section 210 and the collection section 230 can be set to be between 1:8-1:4, such as 1:8, 1:7, 1:6, 1:5 and 1:4, etc. In other embodiments, the inner diameter ratio of the first delivery section 210 and the collection section 230 can also be set to other ratios to meet the design and use needs.

[0036] Those skilled in the art can understand that, in order to facilitate the delivery of aerosol and the processing of the mouthpiece, the collection section 230, the first delivery section 210 and the second delivery section 220 can be coaxially arranged, and the inner diameters of the collection section 230 and the second delivery section 220 can be the same.

[0037] In order to reduce the accumulation and condensation of the aerosol during the delivery of the aerosol from the collection section 230 to the first delivery section 210, in a further embodiment, please refer to Figure 1The collecting section 230 has a second variable-diameter portion 231 near one end of the first transmission section 210. The collecting section 230 is connected to the first transmission section 210 through the second variable-diameter portion 231. The inner diameter of the second variable-diameter portion 231 gradually decreases from the end away from the first transmission section 210 to the end connected to the first transmission section 210, so that the aerosol in the collecting section 230 is guided by the sidewall of the second variable-diameter portion 231 to enter the first transmission section 210, which helps to reduce the transmission dead angle in the collecting section 230 and reduce the impact on the suction resistance.

[0038] Those skilled in the art can understand that, for a better understanding of the present application, reference can be made to Figure 1 The structure of the second variable-diameter portion 231 can be the same as that of the first variable-diameter portion 221, for example, the air passage wall of the second variable-diameter portion 231 is provided as an arc surface, and the angle of the arc is not greater than 90°. Other structure types of the second variable-diameter portion 231 are not expanded here.

[0039] In one embodiment, for a better understanding of the present application, reference can be made to Figure 1 The sidewall of the mouthpiece is provided with a gas supply layer 300. The gas supply layer 300 has an air inlet 310 and an air outlet 320. The air inlet 310 is used to communicate the gas supply layer 300 with the outside of the mouthpiece, and the air outlet 320 is used to communicate the gas supply layer 300 with the side of the first transmission section 210 away from the suction port 100. By providing the gas supply layer 300, the air outside the mouthpiece can enter the first transmission section 210 through the gas supply layer 300 when suctioning, and mix with the aerosol therein to further cool the aerosol and improve the cooling effect.

[0040] For example, the sidewall of the mouthpiece is provided with a gas supply layer 300 around the aerosol transmission air passage 200. The air inlet 310 is provided on the side close to the suction port 100, and the air outlet 320 is provided on the sidewall of the collecting section 230, so that the external air can mix with the aerosol collected in the collecting section 230 after being sucked in, and the mixed and cooled aerosol is then sucked into the first transmission section 210, accelerated by the first transmission section 210, and then enters the second transmission section 220 for secondary cooling, and finally sucked out by the suction port 100.

[0041] The collision and agglomeration of the aerosol during the process of entering the first transmission section 210 and the second transmission section 220 help to improve the suction feeling and compensate for the change in the feeling caused by the mixing of the aerosol with the external air.

[0042] As can be appreciated by those skilled in the art, in order to facilitate the entry of external air into the air supply layer 300 and flow along the air supply layer 300, in some embodiments, a guide arc surface can be provided at the side wall of the air supply layer 300 opposite to the air inlet 310. For example, the air inlet 310 is provided at one end of the air supply layer 300, and the corner of the air supply layer 300 opposite to the air inlet 310 can be arc-shaped to guide the gas sucked by the air inlet 310 to flow towards the air outlet 320.

[0043] In addition, in order to limit the escape of aerosol in the collection section 230 through the air outlet 320, in some embodiments, referring to Figure 1 A one-way valve 321 such as a Tesla valve can be provided at the air outlet 320, which only allows gas to flow from the air supply layer 300 to the collection section 230, and limits the reverse flow of gas in the collection section 230 to the air supply layer 300, which can avoid the condensation of aerosol in the air supply layer 300 and cause inconvenience in cleaning. The type and arrangement of the one-way valve 321 are not limited, and any one-way valve 321 that can limit the escape of gas in the collection section 230 through the air outlet 320 can be used. In other embodiments, the one-way valve 321 can also be provided at the air inlet 310 or other positions in the air supply layer 300.

[0044] In order to facilitate suction, in a further embodiment, the length of the air inlet 310 from the end of the suction port 100 is not less than 5 mm. For example, the length of the air inlet 310 from the end of the suction port 100 can be 5-10 mm, so that the suction port 100 has a suitable length for the user to hold.

[0045] Embodiments of the heat-not-burn device in the present application:

[0046] Referring to Figure 2 The heat-not-burn device includes a main machine 400 and the mouthpiece of the heat-not-burn device according to any one of the embodiments described above, and the mouthpiece of the heat-not-burn device is provided on the main machine 400.

[0047] The main machine 400 can be understood as a component capable of directly generating aerosol in the heat-not-burn device, or as a collection of related components for cooperating to generate aerosol, for example, the main machine 400 can include a housing and a heating body, a power supply assembly and the like provided in the housing.

[0048] In an embodiment, referring to Figure 2The host 400 can be provided with a heating cavity 410 for accommodating and heating the solid aerosol substrate. The end of the aerosol transmission air channel 200 away from the suction port 100 is connected to the heating cavity 410. The suction port 100 of the mouthpiece can be arranged outside the host 400 for user suction. In some embodiments in which the air inlet layer is arranged in the side wall of the mouthpiece, the air inlet port 310 of the air inlet layer can also be arranged outside the host 400 for air inlet. Of course, in other embodiments, the air inlet port 310 of the air inlet layer can also be arranged inside the host 400 and communicated with the outside of the host 400 through the air hole arranged on the shell of the host 400.

[0049] In some embodiments, referring to Figure 2 The air guide layer 420 can also be arranged in the cavity wall of the heating cavity 410 and connected to the air supply layer 300. The air supply port 421 is arranged at the end of the heating cavity 410 away from the aerosol transmission air channel 200 and connected to the air guide layer 420. The air supply layer 300 can also supply air to the heating cavity 410 through the air guide layer 420.

[0050] The above application uses specific examples to illustrate the present application, which is only used to help understand the present application and does not limit the present application. For those skilled in the art to which the present application belongs, according to the idea of the present application, a number of simple deductions, deformations or substitutions can be made.

Claims

1. A mouthpiece for a heat-not-burn device, characterized in that The mouthpiece has: a suction port; and an aerosol transmission air channel, the aerosol transmission air channel comprising a first transmission section and a second transmission section in communication with each other, the first transmission section being in communication with the suction port through the second transmission section to transmit aerosol towards the suction port, the inner diameter of the second transmission section being greater than the inner diameter of the first transmission section.

2. The mouthpiece of claim 1, wherein The second transmission section has a first variable diameter portion near one end of the first transmission section, the second transmission section being connected to the first transmission section through the first variable diameter portion, the inner diameter of the first variable diameter portion gradually increasing from the end connected to the first transmission section to the end away from the first transmission section.

3. The mouthpiece of claim 2, wherein The air channel wall of the first variable diameter portion is arranged as an arc surface, the circular arc angle of the arc surface being not greater than 90°.

4. The mouthpiece of claim 1, wherein The aerosol transmission air channel further comprises a collection section for collecting aerosol, the collection section being arranged on the side of the first transmission section away from the second transmission section, the inner diameter of the first transmission section being smaller than the inner diameter of the collection section.

5. The mouthpiece of claim 4, wherein The inner diameter ratio of the first transmission section to the collection section is 1:8-1:

4.

6. The mouthpiece of claim 4, wherein The collection section has a second variable diameter portion near one end of the first transmission section, the collection section being connected to the first transmission section through the second variable diameter portion, the inner diameter of the second variable diameter portion gradually decreasing from the end connected to the first transmission section to the end away from the first transmission section.

7. The mouthpiece of claim 6, wherein The air channel wall of the second variable diameter portion is arranged as an arc surface, the circular arc angle of the arc surface being not greater than 90°.

8. A mouthpiece according to any one of claims 1 to 7, wherein The sidewall of the mouthpiece is provided with a gas supply interlayer, the gas supply interlayer having a gas inlet and a gas outlet, the gas inlet being used to communicate the gas supply interlayer with the outside of the mouthpiece, and the gas outlet being used to communicate the gas supply interlayer with the side of the first transmission section away from the suction port.

9. The mouthpiece of claim 8, wherein The length of the gas inlet from the end of the suction port is not less than 5mm.

10. A heat-not-burn device, characterized in that A heating non-combustion device comprising a host and the mouthpiece of any one of claims 1 to 9, the mouthpiece of the heating non-combustion device being arranged on the host.

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