Oxygen-deficient heating smoking device with retractable needle, tobacco product and method of use

Abstract

The present invention belongs to the field of new heat-not-burn tobacco products, and in particular, relates to an oxygen-depleted heating tobacco set with a retractable needle, a tobacco product used in conjunction with the same, and a method of use. The tobacco set comprises a cigarette accommodating chamber (6), and a retractable punching needle (6‑4) arranged parallel to the axis of the cigarette accommodating chamber (6) is arranged at the bottom of the cigarette accommodating chamber (6). The present invention also discloses a tobacco product used in conjunction with the tobacco set and a method of use. The present invention proposes for the first time an oxygen-depleted heating tobacco set with a punching needle at the bottom of the cigarette accommodating chamber, which is used to punch holes in tobacco products, provides a smoke diffusion channel, and solves the problem of smoke being difficult to diffuse when closed cigarettes are oxygen-depleted heated.

Description

Technical Field

[0001] The invention belongs to the field of novel heat-not-burn tobacco products, and particularly relates to an oxygen-deficient heating tobacco set with a retractable needle, a tobacco product used in conjunction with the tobacco set, and a use method thereof. Background Art

[0002] Traditional tobacco has a history of hundreds of years and has been integrated into the lives of most smokers. In recent years, with the improvement of people's living standards, people have paid more and more attention to issues such as smoking and health, and the harm of secondhand smoke, and the harm caused by traditional tobacco products has become increasingly prominent. At the same time, with the implementation of the WHO Framework Convention on Tobacco Control, especially the gradual expansion of the scope of smoking bans in public places in various countries around the world, the development environment of tobacco products has undergone major and profound changes, and the structure of tobacco products is accelerating towards diversification and smoke-free development. New tobacco products have gradually become a realistic choice for major multinational tobacco companies to cope with the declining sales of traditional tobacco products.

[0003] At present, most heat-not-burn cigarettes use air as the carrier of smoke. In order to ensure that the tobacco does not burn, the heating temperature applied is usually low, generally not exceeding 300°C. Compared with traditional cigarettes, the tobacco aroma components of new heat-not-burn cigarettes are difficult to fully release, and the smoke volume is insufficient. Therefore, this type of cigarette is difficult to be accepted by traditional smokers. In addition, in order to ensure air circulation, the tobacco end of most heat-not-burn cigarettes is an open structure, that is, the tobacco or reconstituted tobacco is directly exposed to the outside, or connected to the outside atmosphere through a certain air flow channel. In the process of pulling out the cigarette cartridge after smoking, tobacco residues will fall off, which is easy to cause pollution to the smoking utensils. Therefore, this type of tobacco needs to take time to clean the smoking utensils after using it for a period of time.

[0004] If a closed cigarette structure is used, the oxygen content will decrease during the heating process (this is due to the replacement of the internal gas by the fresh smoke). At this time, even if the heating temperature is increased, combustion will not occur, and tobacco residues will not fall and pollute the smoking utensils. However, since there is no carrier gas flowing through the tobacco, the migration of smoke in a closed cigarette will become difficult.

[0005] The present invention is proposed to solve the above-mentioned problems. Summary of the invention

[0006] A first aspect of the present invention provides an oxygen-deficient heating smoking device with a retractable needle, the smoking device comprising a cigarette accommodating cavity 6, a retractable perforating needle 6-4 arranged parallel to the axis of the cigarette accommodating cavity 6 being arranged at the bottom of the cigarette accommodating cavity 6.

[0007] Preferably, a boss 6-1 is provided at the bottom of the cigarette accommodating chamber 6, and when the punching needle 6-4 is extended, it penetrates the boss 6-1 and extends into the cigarette accommodating chamber 6. At this time, the material or structure of the boss 6-1 is such that the punching needle 6-4 can penetrate.

[0008] Preferably, the punching needle 6 - 4 can be limited to the boss 6 - 1 at the bottom of the cigarette accommodating chamber 6 .

[0009] The punching needle 6-4 may be limited in any suitable manner, for example, by installing a spring at the bottom of the punching needle 6-4.

[0010] Preferably, a circumferential heating element 6 - 2 is provided on the circumferential side wall of the cigarette accommodating chamber 6 .

[0011] The second aspect of the present invention provides an oxygen-deficient heating tobacco product used in conjunction with the oxygen-deficient heating smoking device of the first aspect, wherein the tobacco product comprises, from upstream to downstream, a supporting element 1, a tobacco rod 2, a mainstream smoke forming chamber 3, and a smoke modulation element 4, which are coaxially abutted against each other in sequence, and the tobacco product is wrapped with an external wrapper 5;

[0012] Wherein, the material or structure of the supporting element 1 enables the punching needle 6 - 4 to pass through;

[0013] The mainstream smoke forming chamber 3 is a tube body having an axial central cavity 3-1 and at least one circumferential side wall through hole 3-2;

[0014] A coaxial through hole 5-1 is provided on the outer wrapping member 5 at a position corresponding to the side wall through hole 3-2, and the aperture of the coaxial through hole 5-1 is not less than the aperture of the side wall through hole 3-2;

[0015] The inner diameter of the cigarette accommodating cavity 6 is greater than or equal to the outer diameter of the tobacco product or the outer diameter after thermal expansion;

[0016] The depth of the cigarette accommodating cavity 6 is less than or equal to the distance between at least one of the side wall through holes 3 - 2 on the tobacco product and the upstream end of the supporting element 1 .

[0017] Preferably, the upstream end of the support element 1 includes a groove adapted to the boss 6 - 1 .

[0018] Preferably, the tobacco rod 2 comprises shredded tobacco, tobacco sheets, tobacco particles, a tobacco extruded body or a tobacco-containing gel.

[0019] Preferably, the smoke modulation element 4 includes a cooling section 4-1 and a filtering section 4-2.

[0020] Preferably, the length of the retractable punching needle 6-4 extending out of the boss 6-1 is greater than or equal to the length of the tobacco rod 2 of the oxygen-deficient heated tobacco product.

[0021] The third aspect of the present invention provides an oxygen-deficient heating smoking method, using the oxygen-deficient heating smoking device described in the first aspect and the tobacco product described in the second aspect, when smoking,

[0022] When the tobacco product is inserted into the cigarette receiving cavity 6, the boss 6-1 is tightly plugged into the supporting element 1, and the punching needle 6-4 is first extended and then retracted or remains in an extended state until the cigarette is completely inserted into the cigarette receiving cavity and then retracts, leaving a hole 2-1 at the axis of the tobacco rod 2, and the circumferential heating element 6-2 is activated for inhalation. After the inhalation is completed and the tobacco product is taken out, the punching needle 6-4 remains retracted or extended and remains in a limited position.

[0023] The circumferential heating element 6 - 2 completely or partially covers the tobacco rod 2 ; and there is a gap 6 - 3 between the cigarette accommodating cavity 6 and the tobacco product.

[0024] During inhalation, air passes through the gap 6-3 between the cigarette accommodating cavity 6 and the tobacco product, and enters the mainstream smoke forming cavity 3 through the coaxial through hole 5-1 and the side wall through hole 3-2. The aerosol generated by the heated tobacco rod 2 enters the mainstream smoke forming cavity 3 through the hole 2-1 left by the punching needle 6-4. The two are mixed to form mainstream smoke, which is modulated by the smoke modulation element 4 and enters the consumer's mouth.

[0025] The above technical solutions can be freely combined under the premise of no contradiction.

[0026] The present invention has the following beneficial effects:

[0027] 1. The present invention proposes for the first time an oxygen-deficient heating smoking device with a punching needle at the bottom of the cigarette holding chamber, which is used to punch holes in the tobacco segment of the tobacco product, providing a smoke diffusion channel and solving the problem of smoke being difficult to diffuse when the closed cigarette is heated with oxygen-deficient heating.

[0028] 2. The upstream of the tobacco product used in conjunction with the smoking device of the present invention is a supporting element, which can be tightly plugged into the boss at the bottom of the cigarette accommodating cavity through a groove to form a sealed fit, so that air cannot enter the interior of the cigarette through the port of the cigarette supporting element.

[0029] 3. The tobacco product used in conjunction with the smoking utensil of the present invention has a mainstream smoke forming cavity in the middle, which has an axial central cavity and circumferential side wall through holes. The air does not pass through the tobacco matrix, but enters the cigarette from this section and mixes with the aerosol generated by the heated tobacco to form mainstream smoke, thereby achieving the creation of an oxygen-deficient environment in the tobacco section.

[0030] 4. If a hole is provided in the tobacco rod during the cigarette manufacturing process, the processing is troublesome and the existing device needs to be changed. However, the smoking device and the cigarette of the present invention are easy to process. The cigarette manufacturing can be carried out using the existing production equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is an axial cross-sectional view of the tobacco product described in Example 2.

[0032] Figure 2 This is a schematic diagram of the state of the punching needle in Example 3 after retracting after punching.

[0033] Figure 3 Schematic diagram of the air flow direction during suction in Example 3.

[0034] Figure 4 This is a schematic diagram of the boss where the punching needle is arranged at the bottom of the cigarette receiving chamber.

[0035] List of reference numerals:

[0036] 1. Support element, 2. Tobacco rod, 2-1. Channel, 3. Mainstream smoke forming cavity, 3-1. Central cavity, 3-2. Side wall through hole, 4. Smoke modulation element, 4-1. Cooling section, 4-2. Filtering section, 5. External wrapping member, 5-1. Coaxial through hole, 6. Cigarette accommodating cavity, 6-1. Boss, 6-2. Heating element, 6-3. Gap, 6-4. Punching needle. DETAILED DESCRIPTION

[0037] The content of the present invention is further explained below through specific implementation examples.

[0038] Example 1

[0039] An oxygen-deficient heating smoking device with a retractable needle, see Figure 2 The smoking device comprises a cigarette accommodating chamber 6, and a retractable punching needle 6-4 is arranged at the bottom of the cigarette accommodating chamber 6 and arranged parallel to the axis of the cigarette accommodating chamber 6. A boss 6-1 is arranged at the bottom of the cigarette accommodating chamber 6, and when the punching needle 6-4 is extended, it passes through the boss 6-1 and extends into the cigarette accommodating chamber 6. A circumferential heating element 6-2 is arranged on the circumferential side wall of the cigarette accommodating chamber 6.

[0040] Another technical solution of the present invention is that the punching needle 6-4 is located on the boss 6-1 at the bottom of the cigarette receiving chamber 6. Figure 4 shown.

[0041] Example 2

[0042] An oxygen-deficient heating type tobacco product used in conjunction with the oxygen-deficient heating type smoking device described in Example 1, see Figure 1The tobacco product comprises, from upstream to downstream, a supporting element 1, a tobacco rod 2, a mainstream smoke forming chamber 3, and a smoke modulation element 4, which are coaxially abutted against each other in sequence. The tobacco product is wrapped with an external wrapping member 5, and the material of the external wrapping member 5 is an airtight or controllable permeability paper base, foil base, etc.

[0043] The material of the support element 1 allows the punching needle 6 - 4 to pass through, and the support element 1 is cylindrical in shape and is made of an airtight or controllable air permeability material such as aluminum foil. The support element 1 has good thermal stability and will not deform due to temperature increase.

[0044] The mainstream smoke forming chamber 3 is a tube body having an axial central cavity 3-1 and at least one circumferential side wall through hole 3-2;

[0045] A coaxial through hole 5-1 is provided on the outer wrapping member 5 at a position corresponding to the side wall through hole 3-2, and the aperture of the coaxial through hole 5-1 is not less than the aperture of the side wall through hole 3-2;

[0046] The inner diameter of the cigarette accommodating cavity 6 is greater than the outer diameter of the tobacco product;

[0047] The depth of the cigarette accommodating cavity 6 is less than the distance between at least one of the side wall through holes 3 - 2 on the tobacco product and the upstream end of the supporting element 1 .

[0048] The upstream end of the support element 1 includes a groove adapted to the boss 6 - 1 .

[0049] The tobacco rod 2 is a tobacco extrusion formed body.

[0050] The smoke modulation element 4 includes a cooling section 4-1 and a filtering section 4-2, wherein the cooling section 4-1 is composed of an empty tube and / or cooling material, and the filtering section 4-2 is composed of acetate fiber and forming paper. The smoke modulation element 4 plays the role of reducing the smoke temperature and filtering harmful substances.

[0051] Example 3

[0052] An oxygen-deficient heating smoking method, using the oxygen-deficient heating smoking device described in Example 1 and the tobacco product described in Example 2, during smoking,

[0053] When the tobacco product is inserted into the cigarette accommodating cavity 6, the boss 6-1 is tightly plugged into the supporting element 1, and the punching needle 6-4 is first extended and then retracted or remains in the extended state until the cigarette is completely inserted into the cigarette accommodating cavity and then retracts, leaving a hole 2-1 at the axis of the tobacco rod 2, and the circumferential heating element 6-2 is activated for inhalation. Figure 2 The dotted line is a diagram showing the punching needle 6-4 in an extended state.

[0054] The circumferential heating element 6 - 2 completely or partially covers the tobacco rod 2 ; and there is a gap 6 - 3 between the cigarette accommodating cavity 6 and the tobacco product.

[0055] When inhaling, air passes through the gap 6-3 between the cigarette accommodating chamber 6 and the tobacco product, enters the mainstream smoke forming chamber 3 through the coaxial through hole 5-1 and the side wall through hole 3-2, and the aerosol generated by the heated tobacco rod 2 enters the mainstream smoke forming chamber 3 through the hole 2-1 left by the punching needle 6-4. The two are mixed to form mainstream smoke, which is modulated by the smoke modulation element 4 and enters the consumer's mouth. The schematic diagram of the air flow direction during inhalation is shown in FIG. Figure 3 shown.

[0056] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. An oxygen-deficient heating smoking device with a retractable needle, characterized in that: The smoking device comprises a cigarette accommodating cavity (6), and a retractable punching needle (6-4) arranged parallel to the axis of the cigarette accommodating cavity (6) is arranged at the bottom of the cigarette accommodating cavity (6); The bottom of the cigarette accommodating chamber (6) is provided with a boss (6-1), and when the punching needle (6-4) is extended, it passes through the boss (6-1) and extends into the cigarette accommodating chamber (6); The punching needle (6-4) can be located on the boss (6-1) at the bottom of the cigarette accommodating chamber (6).

2. The oxygen-deficient heating smoking device according to claim 1, characterized in that: A circumferential heating element (6-2) is provided on the circumferential side wall of the cigarette accommodating cavity (6).

3. An oxygen-deficient heated tobacco product used in conjunction with the oxygen-deficient heated tobacco article according to claim 1, characterized in that: The tobacco product comprises, from upstream to downstream, a supporting element (1), a tobacco rod (2), a mainstream smoke forming chamber (3), and a smoke modulation element (4) which are coaxially abutted against each other in sequence, and the tobacco product is wrapped with an external wrapper (5); Wherein, the material or structure of the supporting element (1) enables the punching needle (6-4) to pass through; The mainstream smoke forming chamber (3) is a tube body having an axial central cavity (3-1) and at least one circumferential side wall through hole (3-2); A coaxial through hole (5-1) is provided on the outer wrapping member (5) at a position corresponding to the side wall through hole (3-2), and the diameter of the coaxial through hole (5-1) is not smaller than the diameter of the side wall through hole (3-2); The inner diameter of the cigarette accommodating cavity (6) is greater than or equal to the outer diameter of the tobacco product or the outer diameter after thermal expansion; The depth of the cigarette accommodating cavity (6) is less than or equal to the distance between at least one of the side wall through holes (3-2) on the tobacco product and the upstream end of the supporting element (1).

4. The oxygen-deficient heated tobacco product according to claim 3, characterized in that: The upstream end of the support element (1) comprises a groove matched with the boss (6-1).

5. The oxygen-deficient heated tobacco product according to claim 3, characterized in that: The tobacco rod (2) comprises tobacco shreds, tobacco sheets, tobacco particles, tobacco extruded bodies or tobacco-containing gel bodies.

6. The oxygen-deficient heated tobacco product according to claim 3, characterized in that: The smoke modulation element (4) comprises a cooling section (4-1) and a filtering section (4-2).

7. The oxygen-deficient heated tobacco product according to claim 3, characterized in that: The retractable punching needle (6-4) has a length extending from the boss (6-1) that is greater than or equal to the length of the tobacco rod (2) of the oxygen-deficient heating tobacco product.

8. An oxygen-deficient heating pumping method, characterized in that: The oxygen-deficient heating smoking device according to any one of claims 1 to 2 and the tobacco product according to any one of claims 3 to 4 are used, and when inhaled, When the tobacco product is inserted into the cigarette receiving cavity (6), the boss (6-1) is tightly plugged into the supporting element (1), and the punching needle (6-4) is first extended and then retracted, or remains in an extended state until the cigarette is completely inserted into the cigarette receiving cavity and then retracts, leaving a hole (2-1) at the axis of the tobacco rod (2), and the circumferential heating element (6-2) is activated to perform suction; after the tobacco product is taken out after suction, the punching needle (6-4) remains retracted or extended and remains in a limited position.

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