CN210538876U - Cigarette structure capable of heating non-combustible cigarettes - Google Patents

Abstract

The utility model relates to a cigarette structure of heating non-combustible cigarette, cigarette structure include cigarette core section and cavity section, and cavity section includes hollow portion, and hollow portion is provided with a plurality of slice firmware, is equipped with airflow channel on the slice firmware. Through this unique micropore design of disclosing, increased the flow velocity of suction in-process flue gas effectively to the flow state of flue gas has been changed, and then subsides and adsorbs harmful substance such as partly tar.

Description

Cigarette structure capable of heating non-combustible cigarettes

Technical Field

The present disclosure relates to the field of tobacco leaf technology. More particularly, the present disclosure relates to a tobacco rod structure that heats non-combustible cigarettes.

Background

With the progress of society, the problem of "smoking and health" has attracted a wide range of social attention. With the continuous improvement of living standard, people have stronger health consciousness. "smoking and health" is one of the major challenges facing the tobacco industry in the development process.

During the combustion of traditional cigarette, the main stream smoke contains CO (carbon monoxide), HCN (hydrogen cyanide), NNK (4-methyl nitrosamine- (3-pyridyl) -1-butanone), ammonia, benzo a pyrene, phenol, crotonaldehyde, tar, nicotine and other harmful substances. Practitioners in the tobacco industry have used various filter devices, such as conventional polypropylene filters, acetate filters, composite filter rods, and the like, to reduce the hazards associated with smoking tobacco products. The cigarette filter stick is used as a filter material of the main stream smoke of the cigarette, so that the content of partial harmful substances is reduced, and the smoking quality of the tobacco is improved. And then develop the new type of special-purpose filtering and cooling material for heating non-combustible smoke, which is presented to practitioners in tobacco industry.

SUMMERY OF THE UTILITY MODEL

The disclosed object includes providing a cigarette structure for heating a non-combustible cigarette to reduce harmful substances in the smoke and the temperature of the smoke and to ensure the amount of the smoke.

The utility model provides a cigarette structure is not burnt in heating, includes cigarette core section and cavity section, wherein, cavity section includes hollow portion, hollow portion is provided with a plurality of slice firmware, be equipped with airflow channel on the slice firmware.

Optionally, the sheet-shaped fixing pieces are orderly arranged in the hollow part along the direction perpendicular to the axial line of the hollow section, and a cavity is arranged between the adjacent sheet-shaped fixing pieces; the sheet-shaped fixing piece is provided with an air flow channel along the axial direction of the hollow section.

Optionally, the thickness of the sheet-shaped fixing piece is 1-10 mm; more preferably, the thickness of the sheet-like fixing member is 2 to 5 mm. Alternatively, a plurality of the sheet-like fixing pieces are provided in the hollow portion at equal intervals or at unequal intervals.

Optionally, the hollow part is provided with 3 or more than 3 sheet-shaped fixing pieces; preferably 3-5 tablets.

Optionally, the hollow section comprises a paper wrapper outer layer and a hollow portion, wherein the paper wrapper outer layer is formed by rolling paper wrapper into a cylindrical shape.

Optionally, the outer circumferential surface of the sheet-shaped fixing piece is closely attached to the inner wall surface of the cylinder formed by the outer layer of the molding paper.

Optionally, the inner diameter of the gas flow channel is 0.2-3.0mm, preferably 1.0-2.0 mm.

Optionally, the number of air flow channels in each sheet-form fastener is the same or different.

Optionally, each sheet-shaped fixing piece is provided with more than 3 air flow channels; alternatively, there may be 3-7 gas flow channels.

In the present disclosure, the cross-sectional shape of the air flow passages in the sheet-like fixing member is one or more of a circle, an ellipse, a polygon and an irregular shape.

Optionally, the cross sections of the airflow channels of two adjacent sheet-like fixing members perpendicular to the axial direction are partially overlapped or completely not overlapped.

Optionally, the air flow channel in each sheet-like fastener is a round hole or an oval channel.

Optionally, the circular hole-shaped airflow channels in adjacent sheet-like fixings are partially coaxial or completely non-coaxial.

Optionally, the length of the cavity between adjacent said sheet-like fixings is 1-20mm, preferably 4-12 mm.

In the present disclosure, the sheet-form firmware may be made transparent, single-colored, or have a colored pattern.

Optionally, the plug wrap paper is a regenerated cellulose cellophane. For example, de qing industrial and trade company ltd, poppy, produces a recycled cellulose cellophane product for sale.

Optionally, the outer layer of the plug wrap paper is of a single-layer structure.

Alternatively, the sheet-shaped fixing member may be made of a material having a supporting function, such as resin or paper.

Optionally, in the manufacturing process, a rod-shaped hollow section with the length of 84-120mm is manufactured, then the rod-shaped hollow section is cut into the length with the required specification, and then the rod-shaped hollow section is connected with the cigarette core section.

Alternatively, the sheet-shaped fixing piece can be formed by rolling a piece of forming paper and then cutting the forming paper. Specifically, the regenerated cellulose glassine paper was rolled into a cylindrical shape at a vehicle speed of 1000 m/sec using a JK-4SD device manufactured by JKMachine of Korea to obtain a rod-like structure having a plurality of air flow passages with an inner diameter of 0.2-1.0mm, and the rod-like structure was cut into a sheet-like form to obtain a sheet-like fixed member with a thickness of 1-10 mm.

Optionally, the sheet-form fastener has a colored pattern.

Optionally, the outer wrap layer is made of a transparent wrap roll.

On the basis of the sufficient research of flow velocity, water conservancy diversion direction, pressure drop to mainstream flue gas, this disclosure adopts transparent shaping paper to convolute and forms the rod-shaped structure, cuts this rod-shaped structure again to prefabricate into a plurality of slice firmware that have filtering capability, filter the flue gas with the inner structure of the slice firmware that utilizes to roll up to form. The process that this cavity section carries out the filtration to the flue gas does: the flue gas is sucked from one end of the hollow section, and when the flue gas flows to the position of the sheet-shaped fixed piece, the pore diameter and the structure of the micro-pore channel on the sheet-shaped fixed piece enable the flow velocity of the flue gas to be increased and the flue gas to be impacted in the condensation cavity of the flow path. When the suction, because the kinetic energy of flue gas is very big, through the resistance-increasing effect of slice firmware for macromolecular substance in the mainstream flue gas can continue to strike the surface of next slice firmware like tar, and absorbed by this slice firmware, analogize in proper order, when the flue gas is sucked to its other end from the one end of cavity section, absorb the harmful substance in the flue gas one by one along a plurality of slice firmware of cavity section length direction range, and then realize the dilution to the flue gas.

By the arrangement, the smoke is gradually diluted, the content of harmful substances in the smoke is greatly reduced, and the physical damage to a user is weakened. And the cavity (air section) between two adjacent slice firmware can also play better backward flow condensation to the flue gas at the in-process that the flue gas flows. In addition, when the colorful or patterned or special-shaped sheet-shaped firmware is adopted, the transparent wrapping paper is matched, so that the path process of the smoke in the filter stick can be presented to a consumer in an all-round manner, and the brand new visual feeling of the consumer is brought.

In addition, the hollow section disclosed by the invention has a simple structure, is easy to manufacture and use, can adopt the production process requirements of the cavity composite filter stick, can be put into production on the premise of not greatly changing the conventional filter stick equipment and process, and has a better industrial production value.

The cigarette structure provided by the disclosure realizes settlement and adsorption of partial harmful substances in smoke in the smoking process, and further realizes effective filtration of the smoke, thereby reducing damage to human bodies.

The object of the present disclosure also includes providing a method for preparing a heated non-combustible cigarette, wherein the method for preparing a hollow section at least comprises the following steps:

rolling the molding paper into a cylindrical molding paper outer layer and a hollow part;

in addition, the molding paper is rolled and cut into a plurality of sheet-shaped fixing pieces;

a plurality of sheet-like fixing members are provided in the hollow portion.

Optionally, the step of the hollow section manufacturing method further comprises:

the cigarette core is characterized in that a rod-shaped hollow section with the length of 84-120mm is prefabricated, then the rod-shaped hollow section is cut into a hollow section with the designed length, and then the hollow section is connected with the cigarette core section.

Optionally, the outer layer of the formed paper in the above step has a basis weight of 60-120 g/square meter.

Optionally, the steps of the method for manufacturing sheet-shaped firmware further include:

rolling the molding paper into a cylinder at a preset speed to obtain a rod-shaped structure with an airflow channel with the inner diameter of 0.2-3.0 mm;

cutting the rod-shaped structure into sheets to obtain sheet-shaped firmware with thickness of 1-25 mm.

Drawings

To more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present disclosure and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings may be obtained from the drawings without inventive effort.

FIG. 1 is a schematic diagram of a first configuration of a rod-shaped hollow section provided by an embodiment of the present disclosure;

FIG. 2 is a second schematic diagram of a rod-shaped hollow section provided by an embodiment of the disclosure;

FIG. 3 is a third schematic view of a hollow section provided by embodiments of the present disclosure;

FIG. 4 is a schematic structural diagram of a first cigarette structure provided by an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of a second cigarette structure provided by an embodiment of the present disclosure;

FIG. 6 is a schematic structural diagram of a third cigarette structure provided by the embodiments of the present disclosure;

figure 7 is a schematic structural view of a fourth cigarette structure provided by the embodiments of the present disclosure.

Icon: 10-rod-like hollow section; 10' -a hollow section; 11-outer layer of forming paper; 112-a parting line; 12-a hollow portion; 13-sheet form fastener; 14-a gas flow channel; 15-a cavity; 16-forming paper; 17-tipping paper; 20-a filter tip; 30-a smoking substrate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below in detail and completely with reference to the accompanying drawings. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments.

Thus, the following detailed description of the embodiments of the present disclosure is not intended to limit the scope of the disclosure, as claimed, but is merely representative of some embodiments of the disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

It should be noted that, in the present disclosure, the embodiments and the features and technical solutions in the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The following describes in detail an implementation of the disclosed solution by way of example with reference to the accompanying drawings.

The cigarette structure of non-combustible cigarette of heating that this disclosure provided, including cigarette core section and cavity section 10 ', the cigarette core section includes substrate 30 of being fuming, and cavity section 10' includes hollow portion 12, and hollow portion 12 is provided with a plurality of slice firmware 13, is equipped with airflow channel 14 on the slice firmware 13. As shown in FIG. 1, the rod-shaped hollow section 10 includes a plug wrap outer layer 11 formed by rolling a plug wrap 16 into a cylindrical shape and a hollow portion 12. The hollow part 12 is provided with a plurality of sheet-shaped fixing pieces 13, the sheet-shaped fixing pieces 13 are orderly arranged in the hollow part 12 in parallel, the sheet-shaped fixing pieces 13 are formed by rolling and cutting forming paper 16, and a cavity 15 is formed between every two adjacent sheet-shaped fixing pieces 13; the sheet-shaped fixing piece 13 is provided with an airflow channel 14 along the cylindrical axial direction, and the thickness of the sheet-shaped fixing piece 13 is 1-10 mm; the plug paper 16 is a regenerated cellulose cellophane.

The regenerated cellulose fiber is produced by using natural cellulose (cotton, hemp, bamboo, tree or shrub, etc.) as a raw material, and only changing the physical structure of the natural cellulose without changing the chemical structure of the natural cellulose. Its structural composition is similar to cotton, except that it is more hygroscopic and breathable than cotton fiber.

The cellophane is a film product made of natural fibers such as cotton pulp and wood pulp by gluing. It is transparent, non-toxic and tasteless.

The present disclosure adopts transparent (regenerated cellulose glassine is transparent material) molding paper 16 to wind to form a rod-shaped hollow section 10, and then cuts the rod-shaped structure, thereby prefabricating a plurality of hollow sections 10' with filtering and cooling functions, and filtering the smoke by utilizing the internal structure of the rolled sheet-shaped fixed piece 13. The process of filtering the flue gas by the hollow section 10' is as follows: the flue gas is drawn from one end of the hollow section' 10 and when it flows to the location of the sheet-like mounting 13, the flow channels 14 in the sheet-like mounting 13 cause the flue gas to increase in velocity and impinge on the cavity 15 in the path of the flue gas flow. During the suction, because the kinetic energy of the flue gas is very big, through the resistance-increasing effect of the sheet-shaped fixing piece 13, macromolecular substances such as tar in the mainstream flue gas can continuously impact the surface of the next sheet-shaped fixing piece 13 and be absorbed by the sheet-shaped fixing piece 13, and so on, when the flue gas is sucked from one end of the hollow section 10 'to the other end thereof, the harmful substances in the flue gas are absorbed one by the plurality of sheet-shaped fixing pieces 13 arranged along the length direction of the hollow section 10', and further the dilution of the flue gas is realized.

The sheet-shaped fixing member 13 of the present disclosure may be formed of resin, polymer, or the like by injection molding, extrusion, or the like.

By the arrangement, the smoke is gradually diluted, the content of harmful substances in the smoke is greatly reduced, and the physical damage to a user is weakened. In addition, the cavity 15 (air section) between two adjacent sheet-shaped fixing pieces 13 can also play a good role in backflow and condensation of the smoke in the flowing process of the smoke.

Alternatively, the plurality of sheet-like fixing members 13 are arranged in the axial direction of the cylinder of the outer plug wrap layer 11, and the plurality of sheet-like fixing members 13 are all in the same linear direction. In this way, the ease of installation of the sheet-like fastening element 13 is increased, and, moreover, the smoke is given sufficient kinetic energy to pass through the hollow section 10' during suction.

Alternatively, a plurality of sheet-like fixing pieces 13 are provided at equal intervals in the hollow portion 12. So can ensure to absorb the flue gas comprehensively.

Alternatively, the outer peripheral surface of the sheet-like fixing member 13 is closely fitted to the inner wall surface of the cylinder formed by the outer layer 11 of the molding paper, that is, the diameter of the sheet-like fixing member 13 is equal to the diameter of the hollow portion 12, so that the cavity 15 forms a sealed space. So, prevented that the flue gas from flowing and the unable absorptive condition of flue gas molecule that leads to of gap between slice firmware 13 and shaping paper skin 11, increased the macromolecular substance's of slice firmware 13 absorptive flue gas quantity for the flue gas of suction can almost all be through slice firmware 13 dilution reentrant human body in, further improved the filter effect of cavity section 10 ' in this embodiment, moreover, this kind of sealed cavity 15's the form that sets up, still strengthened the backward flow condensation to the flue gas.

Moreover, the outer peripheral surface of the sheet-shaped fixing piece 13 and the inner wall surface of the cylinder formed by the molding paper outer layer 11 are arranged in a close fit mode, so that the molding paper outer layer 11 is stably supported, the deformation of the hollow section 10 'is reduced, and the shape stability of the hollow section 10' is improved.

With continued reference to fig. 3, in this embodiment, it can be seen from the cross-sectional view of the hollow section 10' that the outer layer 11 of the plug wrap paper can be a single layer structure, that is, the head end and the tail end of the plug wrap paper 16 are connected after being wound. With this arrangement, there is a saving in the forming paper 16 and thus in the material usage cost of the hollow section 10' of this embodiment.

In this embodiment, the outer layer 11 of the forming paper may also be a multi-layer structure including two layers, three layers, etc., and when the outer layer 11 of the forming paper is a multi-layer structure, the layers are tightly attached to each other. Through the outer 11 of shaping paper that sets up multilayer structure, avoided to a certain extent because of the outer 11 local damage of shaping paper the situation such as the flue gas is excessive that leads to, guaranteed the filterable reliability of flue gas, moreover, the structural style of closely laminating between this kind of layer and the layer has still avoided the flue gas to a certain extent to flow by the clearance between layer and the layer and can't carry out effective filterable situation to it that leads to.

In the present embodiment, the air flow channel 14 in the sheet-like fixing member 13 may be formed by winding a corrugated paper, or may be formed by injection molding or the like of a polymer or the like.

In the present embodiment, the number of the air flow passages 14 in each sheet-like fixing member 13 is the same or different. Can be adjusted according to different types of tobacco and the requirements of customers.

With continued reference to fig. 2, specifically, the arrangement position of the air flow channel 14 in each sheet-shaped fixing member 13 may be different.

In this embodiment, the hollow section 10' is provided with a filter 20 at the end remote from the core section. Alternatively, the filter 20 is made of acetate fiber.

The cellulose acetate tow is a precise filtering material, which is prepared by using natural wood pulp as a raw material, processing the raw material into cellulose acetate sheets through acetification, dissolving, filtering, spinning, curling, drying and other production processes. The cellulose acetate tow is a regenerated cellulose fiber and has the characteristics of moisture absorption, good adsorbability and the like.

The cross section of the cellulose acetate tow is Y-shaped, the specific surface area of the fiber is large, and the cellulose acetate tow has good adsorption and interception effects on harmful components in cigarette smoke.

In this embodiment, the cigarette core section is rectangular form and is along the parallel or basically parallel arrangement's of direction of predetermineeing the pipe tobacco, many including shaping paper and many the pipe tobacco rule and orderly arrangement, the wrapping of shaping paper the pipe tobacco.

Optionally, the cut tobacco is formed by shredding flaky reconstituted tobacco.

In the disclosed embodiment, the inner diameter of the air flow channel 14 may be between 0.2-1.0mm, and the number of air flow channels 14 in each sheet-like fixing member 13 may be 3-20. By means of the arrangement, the reliability that harmful substances in the smoke are absorbed when the harmful substances pass through the sheet-shaped fixing pieces 13 is guaranteed, and therefore the filtering effect of the hollow section 10' on the smoke in the embodiment is further enhanced.

Optionally, the length of the cavity 15 between adjacent sheet-like fixings 13 is 1-25 mm. Preferably, the length of the cavity 15 between adjacent sheet-like fixings 13 may be 4-15 mm.

Optionally, the cross-sectional shape of the airflow passage 14 is circular, elliptical, polygonal, or irregular (as in fig. 3). As long as the airflow passage 14 can pass the smoke.

Optionally, the sheet-like fixing member 13 has a color pattern. When the colorful or patterned or special-shaped sheet-shaped fixing piece 13 is adopted, the flowing process and the path of smoke in the filter stick can be presented to a consumer in an all-around way by matching with the transparent wrapping paper outer layer 11, so that the completely new visual feeling is brought to the consumer.

Specifically, in this embodiment, the outer layer 11 of the molding paper may be a colorless transparent material, or may be a colored transparent material.

Example 1 referring to fig. 1 to 3, in this example, a plurality of sheet-like fixing members 13 were obtained by winding and cutting a regenerated cellulose cellophane, the sheet-like fixing members 13 had a diameter of 8mm and a thickness of 2mm as a single sheet, and 10 to 20 air flow passages 14 were distributed in each sheet, and the average inner diameter of the air flow passages 14 was 0.2 mm.

9 pieces of sheet-like fixing members 13 were set on a sheet of forming paper 16 having a width of 100mm and rolled into a cylindrical shape. Wherein, be equipped with cavity 15 between two adjacent slice firmware 13, the length of cavity 15 is 8 mm.

The rod-shaped hollow section 10 having a length of 100mm is cut into four pieces along three dividing lines 112. As shown in fig. 1, the rod-shaped hollow section 10 is provided with 12 sheet-like fixing members 13, and after being divided into four sections along the dividing line 112, there are three sheet-like fixing members 13 for each section. And the length of the divided hollow section 10' is more suitable for the length of the filter tip of the existing cigarette.

Example 2

The rod-shaped hollow section 10 provided in this example was produced in the same manner as in example 1, except for the following. In the rod-shaped hollow section 10, the thickness of a single piece of the sheet-shaped fixing piece 13 is 5mm, 6-8 air flow channels 14 are distributed on each sheet-shaped fixing piece 13, and the average inner diameter of each air flow channel 14 is 0.5 mm.

9 pieces of sheet-like fixing members 13 were set on a sheet of forming paper 16 having a width of 100mm and rolled into a cylindrical shape. Wherein, be equipped with cavity 15 between two adjacent slice firmware 13, the length of cavity 15 is 5 mm.

Example 3

The rod-shaped hollow section 10 provided in this example was produced in the same manner as in example 1, except for the following. In the rod-shaped hollow section 10, the thickness of a single piece of the sheet-shaped fixing piece 13 is 8mm, 6-8 air flow channels 14 are distributed on each sheet-shaped fixing piece 13, and the average inner diameter of each air flow channel 14 is 1.0 mm.

9 pieces of sheet-like fixing members 13 were set on a sheet of forming paper 16 having a width of 100mm and rolled into a cylindrical shape. Wherein, be equipped with cavity 15 between two adjacent slice firmware 13, the length of cavity 15 is 2 mm.

Example 4

The rod-shaped hollow section 10 provided in this example was produced in the same manner as in example 1, except as follows. In the rod-shaped hollow section 10, the thickness of a single piece of the sheet-shaped fixing piece 13 is 10mm, 20 air flow channels 14 are distributed on each sheet-shaped fixing piece 13, and the average inner diameter of each air flow channel 14 is 0.3 mm.

6 sheet-like fixing members 13 were set on a sheet of forming paper 16 having a width of 100mm and rolled into a cylindrical shape. Wherein, be equipped with cavity 15 between two adjacent slice firmware 13, the length of cavity 15 is 10 mm.

Example 5

Referring to figure 4, in this embodiment, a heated non-burning tobacco sample 1, in which an acetate filter 20 and a sheet-like anchoring element 13 are wrapped with a plug wrap 16; the acetate fiber rod is used as a filtering part and has the length of 10 mm; 3 sheet-shaped fixing pieces 13 are arranged at equal intervals, central holes of the 3 sheet-shaped fixing pieces 13 are arranged on the same shaft, the thickness of each sheet-shaped fixing piece 13 is 3mm, cavities 15 are formed among the sheet-shaped fixing pieces 13, and the sheet-shaped fixing pieces are combined to form a hollow section 10' with the length of 20 mm; the fuming substrate 30 adopts reconstituted tobacco and has the length of 12 mm; the hollow section 10', filter 20 and smoking substrate 30 are combined using tipping paper 17 to ultimately form a heated non-combustible tobacco rod. The sample has small suction resistance during suction, high smoke concentration, slightly high smoke temperature, 9-11 suction openings and high stiffness.

Example 6

Referring to FIG. 5, in this example, a heat-not-burn tobacco sample 2 in which an acetate filter 20 and a sheet-like fixing member 13 are wrapped with a plug wrap 16 and a cellulose acetate rod as a filter portion is 10mm in length; 4 sheet-shaped fixing pieces 13 are arranged at unequal intervals, central holes of the 4 sheet-shaped fixing pieces 13 are not arranged on the same axis, the thickness of each sheet-shaped fixing piece 13 is 2mm, 3mm and 3mm, cavities 15 are formed among the sheet-shaped fixing pieces 13 and are combined to form a hollow section 10', and the length of each hollow section is 20 mm; the fuming substrate 30 adopts reconstituted tobacco and has the length of 12 mm; the hollow section 10', filter 20 and smoking substrate 30 are combined using tipping paper 17 to ultimately form a heated non-combustible tobacco rod. The sample has moderate resistance to smoking, high smoke concentration, 10-12 mouths of smoking, moderate strength and comfortable taste.

Example 7

Referring to fig. 6, in the present embodiment, a non-combustible cigarette sample 3 is heated, wherein the filter 20 has a high basis weight, and the cellulose filter 20 and the sheet-shaped fixing member 13 are wrapped with a low-head gas-degree plug wrap 16; the acetate fiber rod is used as a filtering part and has the length of 10 mm; 1 piece-shaped fixing piece 13 close to the smoking substrate 30, the diameter of the piece-shaped peripheral hole is 0.25mm, the thickness of the piece-shaped fixing piece 13 is 5mm, a cavity 15 is arranged between the piece-shaped fixing piece 13 and the acetate fiber, and a hollow section 10' is formed by combination and has the length of 20 mm; the smoking substrate 30 adopts a heated non-combustible particle core material with the length of 12 mm; the hollow section 10', filter 20 and smoking substrate 30 are combined using tipping paper 17 to ultimately form a heated non-combustible tobacco rod. The sample has moderate resistance during suction, sufficient smoke amount, high smoke concentration, 12-14 suction openings, high strength and comfortable taste.

Example 8

Referring to fig. 7, in the present embodiment, a non-combustible heated tobacco sample 4 is provided, in which the filter 20 is of high basis weight, and the cellulose filter 20 and the sheet-form fixing member 13 are wrapped with low-head air-degree plug wrap 16; the acetate fiber rod is used as a filtering part and has the length of 10 mm; 3 sheet-shaped fixing pieces 13, wherein one of the fixing pieces is close to the smoking substrate 30 and arranged at unequal intervals, the central holes of the 3 sheet-shaped fixing pieces 13 are not arranged on the same shaft, the thickness of the sheet-shaped fixing piece 13 is 5mm, and a cavity 15 is formed between the sheet-shaped fixing piece 13 and the acetate fiber to form a hollow section 10' with the length of 20mm in a combined manner; the smoking substrate 30 adopts a heated non-combustible particle core material with the length of 12 mm; the hollow section 10', filter 20 and smoking substrate 30 are combined using a high basis weight, low permeability tipping paper 17 to form a heated non-combustible tobacco rod. The sample has the advantages of slightly high suction resistance, sufficient smoke amount, high smoke concentration, low smoke temperature, 12-13 suction openings, high strength and comfortable taste during suction.

Compared with the existing cigarette filter stick filter material, the filter stick filter material depends on the use of acetate fibers, and the acetate fibers have the adsorption effect on moisture, so that the smoke is dried; according to the scheme disclosed by the invention, only the end, close to the tobacco shreds, of the hollow section 10 'is provided with the tobacco fiber tow section and adopts the cellulose acetate fibers, so that the smoking quality of the tobacco cannot be reduced on the premise that the hollow section 10' adsorbs more harmful substances.

It can be seen that the hollow section 10' of the present disclosure has the following effects:

the hollow section 10 'of the present disclosure, due to its unique external structural design, can be directly applied to a cavity composite filter rod, the hollow section 10' of the present disclosure has good machinability.

The hollow section 10' of the present disclosure has the advantages of extending the length of the flue gas flow path, increasing the flow speed of the flue gas, and enhancing the collision efficiency of the flue gas due to its unique internal structure design, thereby realizing the effective filtration of harmful substances such as tar in the flue gas.

The materials used in the hollow section 10' of the present disclosure are food grade materials, and the materials have properties of odorless, tasteless, heat-resistant, etc., so that on the basis of effectively reducing harmful substances such as tar in smoke, bad smell is hardly introduced or generated.

In the present disclosure, a cigarette structure comprising such a hollow section 10' is capable of filtering most harmful substances in the smoke and improving the quality of smoke panel test of tobacco.

The present disclosure also provides a method for manufacturing a cigarette structure, the method for manufacturing the hollow section 10' at least comprises the following steps:

rolling the molding paper 16 into a hollow cylinder to form an outer molding paper layer 11 and a hollow part 12;

in addition, the molding paper is rolled and cut to form a plurality of sheet-shaped fixing pieces 13;

a plurality of sheet-like fixing members 13 are provided in the hollow portion 12.

In the above step, "the molding paper is rolled and cut to form the plurality of sheet-like fixing pieces 13" means that the molding paper is folded or wound to form a "solid" cylindrical shape.

The manufacturing method of the hollow section 10 'is simple and rapid, and is suitable for mass production, so that the hollow section 10' with better adsorption capacity is obtained.

Optionally, the steps of the method for manufacturing the hollow section 10' further include:

the rod-shaped hollow section 10 is manufactured into a product having a length of 84-120mm, which is then cut to the desired length to obtain the final product configured for attachment to the tobacco end of a cigarette.

The cut hollow section 10' is more convenient to be connected with the cigarette core section, and convenience is provided for processing cigarettes.

Optionally, the steps of the method for manufacturing the sheet-shaped firmware 13 further include:

rolling the molding paper into a cylinder at a preset speed to obtain a rod-shaped structure with an airflow channel 14 with the inner diameter of 0.2-3.0 mm;

the rod-like structure is cut into a sheet form to obtain a sheet-like fixing member 13 having a thickness of 1 to 10 mm.

Alternatively, in the present embodiment, the regenerated cellulose glassine paper is rolled into a cylindrical shape at a vehicle speed of 1000 m/sec using a JK-4SD device manufactured by JKMachine of Korea to obtain a rod-like structure having an air flow passage 14 with an inner diameter of 0.2-1.0mm, and the rod-like structure is cut into a sheet shape to obtain a solid sheet-like fixing member 13 with a thickness of 1-10 mm.

Industrial applicability

The utility model provides a pair of cigarette structure, it has increased the flue gas flow velocity when smoking, has changed the flue gas flow state to realized subsiding and adsorbing to part harmful substance in the flue gas, and then realized the effective filtration to the flue gas. Moreover, the cigarette manufactured by the hollow section also improves the smoking quality of tobacco.

Claims (9)

1. A cigarette structure for heating non-combustible cigarettes is characterized in that: the cigarette comprises a cigarette core section and a hollow section, wherein the hollow section comprises a hollow part, the hollow part is provided with a plurality of sheet-shaped fixing pieces, and the sheet-shaped fixing pieces are provided with airflow channels;

the cigarette structure also comprises a filter section, and the filter section is adjacent to the hollow section;

the sheet-shaped fixing pieces are orderly arranged in the hollow part along the direction vertical to the axis of the hollow section and basically parallel to each other, and a cavity is arranged between the adjacent sheet-shaped fixing pieces; the sheet-shaped fixing piece is provided with an air flow channel along the axial direction of the hollow section;

the cross sections of the airflow channels of two adjacent sheet-shaped fixing members perpendicular to the axial direction are partially overlapped or not overlapped at all.

2. The smoking structure of claim 1, wherein: the thickness of the sheet-shaped fixing piece is 1-10 mm.

3. The smoking structure of claim 1, wherein: a plurality of the sheet-like fixing pieces are arranged in the hollow portion at equal intervals or at unequal intervals.

4. The smoking structure of claim 1, wherein: the hollow part is provided with 3 or more than 3 sheet-shaped fixing pieces.

5. The smoking structure of any one of claims 1-4, wherein: the hollow section comprises a plug wrap outer layer and a hollow part, wherein the plug wrap outer layer is formed by making a plug wrap roll into a cylindrical shape.

6. The smoking structure of any one of claims 1-4, wherein: the inner diameter of the air flow channel is 0.2-3.0mm, the number of the air flow channels in each sheet-shaped fixing piece is the same or different, and each sheet-shaped fixing piece is provided with more than 3 air flow channels.

7. The smoking structure of any one of claims 1-4, wherein: the cross-sectional shape of the airflow passages in the sheet form fastener is one or more of circular, elliptical, polygonal, and irregular.

8. The tobacco rod structure of any one of claims 1 to 4 wherein the spacing between adjacent sheet-like formations is 1 to 20 mm.

9. The tobacco rod structure according to any one of claims 1 to 4, wherein the sheet-like fastening member is made of a solid resin, paper or the like having a supporting function.

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