WO2023216333A1

WO2023216333A1 - Heat-not-burn cartridge

Info

Publication number: WO2023216333A1
Application number: PCT/CN2022/095321
Authority: WO
Inventors: 杨荣; 王远航; 张月川; 潘文杰
Original assignee: 乐智有限公司
Priority date: 2022-05-10
Filing date: 2022-05-26
Publication date: 2023-11-16
Also published as: CN217986666U

Abstract

A heat-not-burn cartridge (1), comprising: a tube body (10), the tube body (10) having a first end (11) and a second end (12) arranged opposite to each other; a sealing part (20), the sealing part (20) being used for sealing the first end (11); a smoke-producing part (30), the smoke-producing part (30) being accommodated in the tube body (10), and the smoke-producing part (30) being arranged adjacent to the first end (11); a cooling part (40), the cooling part (40) being accommodated in the tube body (10) and arranged adjacent to the smoke-producing part (30); and a filtering part (50), the filtering part (50) being accommodated in the tube body (10) and arranged in the second end (12), and the filtering part (50) being spaced apart from the cooling part (40) to form an accommodating cavity (60). The heat-not-burn cartridge (1) can increase the smoking concentration of an aerosol.

Description

Heating and non-burning cartridges

This application claims priority to the Chinese patent application filed with the China Patent Office on May 10, 2022, with application number 202221116237.2 and the application name "heat-not-burn cartridge", the entire content of which is incorporated into this application by reference.

Technical field

This application relates to electronic cigarettes, and specifically to a heat-not-burn cartridge.

Background technique

With the development of science and technology, more and more users are using heat-not-burn cartridges. When smoking heat-not-burn cartridges, the aerosol concentration is prone to insufficient.

Contents of the invention

The embodiment of the present application provides a heat-not-burn cartridge. The heat-not-burn cartridge includes:

A pipe body having a first end and a second end arranged oppositely;

a sealing portion, the sealing portion is used to seal the first end;

A smoke-generating part, the smoke-generating part is received in the tube body, and the smoke-generating part is arranged adjacent to the first end;

A cooling part, the cooling part is received in the tube body and is located adjacent to the smoke emitting part; and

A filter part is received in the tube body and is provided at the second end. The filter part is spaced apart from the cooling part to form a receiving cavity.

Description of the drawings

Figure 1 is a schematic structural diagram of a heat-not-burn cartridge provided by an embodiment of the present application;

Figure 2 is an exploded perspective view of the heat-not-burn cartridge provided by the embodiment of Figure 1;

Figure 3 is a schematic cross-sectional view along line A-A in an embodiment of the heat-not-burn cartridge provided in the embodiment of Figure 1;

Figure 4 is a schematic cross-sectional view along line A-A in another embodiment of the heat-not-burn cartridge provided in the embodiment of Figure 1;

Figure 5 is a schematic structural diagram of the cooling part of the heat-not-burn cartridge provided in the embodiment of Figure 4;

Figure 6 is a schematic cross-sectional view along line B-B of the cooling portion of the heat-not-burn cartridge provided in the embodiment of Figure 5;

Figure 7 is a schematic cross-sectional view along line A-A in yet another embodiment of the heat-not-burn cartridge provided by the embodiment in Figure 1;

Figure 8 is a schematic structural diagram of the heat-not-burn cartridge provided in the embodiment of Figure 7 in a first state;

Figure 9 is a schematic structural diagram of the heat-not-burn cartridge provided in the embodiment of Figure 7 in a second state;

Figure 10 is a schematic cross-sectional view along line A-A in yet another embodiment of the heat-not-burn cartridge provided by the embodiment in Figure 1;

Figure 11 is a schematic structural diagram of the cooling part of the heat-not-burn cartridge provided in the embodiment of Figure 10;

Figure 12 is a schematic cross-sectional view along line C-C of the cooling portion of the heat-not-burn cartridge provided in Figure 11;

Figure 13 is a schematic cross-sectional structural diagram of the cooling portion of the heat-not-burn cartridge provided in the embodiment of Figure 10;

Figure 14 is a schematic structural diagram of a heat-not-burn cartridge provided by another embodiment of the present application;

Figure 15 is a three-dimensional exploded schematic view of the heat-not-burn cartridge provided in the embodiment of Figure 14;

Figure 16 is a schematic cross-sectional view of the heat-not-burn cartridge provided in the embodiment of Figure 14 along line D-D;

FIG. 17 is a partially enlarged schematic diagram of position I in the heat-not-burn cartridge provided in the embodiment of FIG. 16 .

Reference numbers: heat-not-burn cartridge 1; tube body 10; sealing part 20; smoking part 30; cooling part 40; filter part 50; receiving cavity 60; packaging 70; first end 11; second end 12; Ventilation groove 41; first accommodation space 42; second accommodation space 43; ventilation hole 44; chamfer 45.

Detailed ways

A pipe body having a first end and a second end arranged oppositely;

a sealing portion, the sealing portion is used to seal the first end;

Wherein, the ratio of the length L1 of the receiving cavity in the direction in which the first end points to the second end and the length L0 of the tube body is: 30%≤L1/L0≤35%.

Wherein, the cooling part has evenly distributed ventilation grooves on its peripheral side, the ventilation grooves penetrate the cooling part in the direction from the first end to the second end, and the ventilation grooves are connected to the receiving cavity.

Wherein, the cooling part has a first receiving space and a second receiving space arranged oppositely in the direction from the first end to the second end, and the first receiving space is close to the second receiving space relative to the second receiving space. The smoke generating part is provided, and the smoke generating part can enter the first receiving space, and the second receiving space is connected with the receiving cavity.

Wherein, the cooling part also has a ventilation hole, and the ventilation hole communicates with the first accommodation space and the second accommodation space.

Wherein, the sum of the cross-sectional area S1 of the ventilation groove in the preset cross-sectional direction and the cross-sectional area S2 of the ventilation hole in the preset cross-section direction is the sum of the cross-sectional area S0 of the cooling part in the preset cross-section direction. The ratio is: 15%≤(S1+S2)/S0≤20%, wherein the preset cross-sectional direction is perpendicular to the direction in which the first end points to the second end.

The outer diameter D1 of the cooling part is larger than the inner diameter D0 of the pipe body, so that the cooling part and the pipe body form an interference fit to fix the cooling part to the pipe body.

Wherein, both ends of the cooling part have chamfers, and the outer diameter of the cooling part at the chamfers is smaller than the inner diameter of the tube body.

Wherein, the material of the cooling part includes at least one of polyether ether ketone, polyphenylene sulfone resin, polyaziridine, polyamide, polyformaldehyde or silica gel.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of this application.

The terms "first", "second", etc. in the description and claims of this application and the above-mentioned drawings are used to distinguish different objects, rather than describing a specific sequence. Furthermore, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally also includes Other steps or units inherent to such processes, methods, products or devices.

Reference herein to "an embodiment" or "an implementation" means that a particular feature, structure or characteristic described in connection with the example or implementation may be included in at least one embodiment of the present application. The appearances of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those skilled in the art understand, both explicitly and implicitly, that the embodiments described herein may be combined with other embodiments.

The embodiment of the present application provides a heat-not-burn cartridge 1. Please refer to Figures 1, 2 and 3. Figure 1 is a schematic structural diagram of a heat-not-burn cartridge provided by an embodiment of the present application; Figure 2 is a three-dimensional exploded view of a heat-not-burn cartridge provided by the embodiment of Figure 1; Figure 3 is a schematic cross-sectional view along line A-A in an embodiment of the heat-not-burn cartridge provided in the embodiment of FIG. 1 . In this embodiment, the heat-not-burn cartridge 1 includes a tube body 10 , a sealing part 20 , a smoking part 30 , a cooling part 40 and a filtering part 50 . The tube body 10 has a first end 11 and a second end 12 arranged oppositely. The sealing portion 20 is used to seal the first end 11 . The smoke generating part 30 is received in the tube body 10 , and is disposed adjacent to the first end 11 . The cooling part 40 is received in the tube body 10 and is disposed adjacent to the smoke emitting part 30 . The filter part 50 is received in the tube body 10 and is disposed at the second end 12 . The filter part 50 and the cooling part 40 are spaced apart to form a receiving cavity 60 .

In this embodiment, the tube body 10 has a receiving function. Specifically, the tube body 10 is used to accommodate the smoking part 30 , the cooling part 40 and the filtering part 50 . The tube body 10 is made of food-grade material, which may be, but is not limited to, one or more of 50-200g/㎡ white cardboard or 50-200g/㎡ kraft paper. In one embodiment, the tube body 10 is made by flat-rolling food-grade materials. Specifically, the tube body 10 is made by flat-rolling 2 to 3 layers of food grade material. In another embodiment, the tube body 10 is made by diagonally rolling food-grade materials. Specifically, the tube body 10 is made by diagonally rolling 2 to 3 layers of food grade material. Specifically, the length L0 of the pipe body 10 is: 42mm≤L0≤46mm, the inner diameter D0 of the pipe body 10: 6.4mm≤D0≤6.65mm, and the outer diameter D00: 6.9mm≤D00≤7.1mm. The first end 11 of the tube body 10 is a distal end when used by the user, and the second end 12 is a proximal end of the lip when used by the user.

In this embodiment, the sealing portion 20 is used to seal the first end 11 of the tube body 10 to prevent the smoking portion 30 from falling from the first end 11 . The sealing part 20 is made of food-grade material, which may be, but is not limited to, one or more of 10-50g/㎡ silk tissue paper, 10-50g/㎡ high air permeability paper, or 45-105g/㎡ butter paper. Specifically, the food-grade material is formed by first adhering the food-grade material to the end surface of the tube body 10 near the first end 11 through an adhesive, and then cutting the food-grade material along the outer contour of the tube body 10 The sealing part 20. The sealing portion 20 may be cut and formed by, but is not limited to, die punching, knife die punching, or laser cutting.

In this embodiment, the smoke-generating part 30 includes an aerosol-generating matrix (such as at least one of smoke-generating particles or smoke-generating sheets). The material of the aerosol-generating matrix includes tobacco or non-tobacco plant herb units. When the aerosol-generating matrix includes non-tobacco plant and herbal units, the aerosol-generating matrix does not produce tar, nicotine and other harmful substances. In addition, the plant and herbal units will not burn when heated, will not pollute the surrounding environment, and will not cause harm to surrounding people. impact and protect the health of people who smoke heated non-burning cigarette cartridges 1 and those around them. In addition, when the herbal units in the aerosol-generating matrix include materials of traditional Chinese medicine (such as ginseng, gastrodia elata), smoking the heat-not-burn cartridge 1 can have better health care functions. In addition, the filling length L3 formed by the smoking part 30 being accommodated in the tube body 10 is: 13 mm ≤ L3 ≤ 18 mm.

In this embodiment, the cooling part 40 is received in the tube body 10 and is disposed adjacent to the smoke emitting part 30 . The cooling part 40 is used to cool down the aerosol generated by heating the smoke generating part 30 . In one embodiment, the cooling part 40 is spaced apart from the smoke emitting part 30 . In another embodiment, the cooling part 40 is in contact with the smoke emitting part 30 .

In this embodiment, the filter part 50 is received in the tube body 10 and disposed at the second end 12 . The filter part 50 is made of food-grade porous fluffy material, such as polylactic acid (PLA). wait. Specifically, the filter part 50 is prepared through an extrusion molding process. The outer diameter D2 of the filter part 50 is larger than the inner diameter D0 of the pipe body 10 so that the filter part 50 and the pipe body 10 form an interference fit to fix the filter part 50 to the second End 12. Specifically, D2: 6.5mm≤D2≤7mm. In addition, the end surface of the filter part 50 away from the first end 11 is flush with the end surface of the tube body 10 close to the second end 12 .

In addition, the filter part 50 and the cooling part 40 are spaced apart to form a receiving cavity 60 , and the receiving cavity 60 is used to accommodate aerosol generated by heating the smoke emitting part 30 . The aerosol generated by heating the smoking part 30 is cooled by the cooling part 40 and then flows into the receiving cavity 60 and collects in the receiving cavity 60 . Finally, the aerosol is smoked by the user through the filtering part 50 . Since the aerosol can accumulate in the receiving chamber 60 to form a certain concentration of aerosol, the aerosol concentration passing through the filter part 50 can be increased, that is, the concentration of the aerosol inhaled by the user can be increased.

To sum up, the embodiment of the present application provides a heat-not-burn cartridge 1. The heat-not-burn cartridge 1 includes a tube body 10, a sealing part 20, a smoking part 30, a cooling part 40 and a filter part 50. The tube body 10 has a first end 11 and a second end 12 arranged oppositely. The sealing portion 20 is used to seal the first end 11 . The smoke generating part 30 is received in the tube body 10 , and is disposed adjacent to the first end 11 . The cooling part 40 is received in the tube body 10 and is disposed adjacent to the smoke emitting part 30 . The filter part 50 is received in the tube body 10 and is disposed at the second end 12 . The filter part 50 and the cooling part 40 are spaced apart to form a receiving cavity 60 . The aerosol generated by heating the smoking part 30 gathers in the receiving cavity 60 , thereby forming a certain concentration of aerosol in the receiving cavity 60 , thereby increasing the concentration of the aerosol inhaled by the user. Therefore, the heat-not-burn cartridge 1 of the present application can increase the inhalation concentration of aerosol.

Please refer to Figure 3 again. In this embodiment, the ratio of the length L1 of the receiving cavity 60 in the direction in which the first end 11 points to the second end 12 to the length L0 of the tube body 10 is: 30%≤L1/L0≤35%.

In this embodiment, the receiving cavity 60 needs to have a certain length to provide enough space to accommodate the aerosol to increase the concentration of the aerosol. When the length L0 of the tube body 10 is kept constant, the length L1 of the receiving cavity 60 will affect the filling length L2 of the smoking part 30 , that is, if the length L1 of the receiving cavity 60 is too long, it will cause The filling length L3 of the smoke emitting part 30 is too small, which affects the amount of smoke emitted by the smoke emitting part 30 and reduces the smoking experience of the heat-not-burn cartridge 1 . Therefore, the receiving cavity 60 needs to maintain an appropriate length. Specifically, the length L1 of the receiving cavity 60 in the direction in which the first end 11 points to the second end 12 is equal to the length L0 of the tube body 10 . The ratio is: 30%≤L1/L0≤35%. The receiving cavity 60 can not only accommodate the aerosol to increase the concentration of the aerosol, but also leave enough space in the tube body 10 to fill the smoking part 30 , to ensure the amount of smoke generated by the smoke generating part 30.

Please refer to Figures 4, 5 and 6. Figure 4 is a schematic cross-sectional view along line A-A in another embodiment of the heat-not-burn cartridge provided in the embodiment of Figure 1; Figure 5 is a heat-not-burn cartridge provided in the embodiment of Figure 4. A schematic structural diagram of the middle cooling part; Figure 6 is a schematic cross-sectional view along line B-B of the middle cooling part of the heat-not-burn cartridge provided in the embodiment of Figure 5. In this embodiment, the cooling part 40 has evenly distributed ventilation grooves 41 on its peripheral side. The ventilation groove 41 penetrates the cooling part 40 in the direction in which the first end 11 points to the second end 12 , and the ventilation groove 41 is connected to the receiving cavity 60 .

In this embodiment, the cooling part 40 has a plurality of evenly distributed ventilation grooves 41 on its peripheral side. The plurality of ventilation grooves 41 are used to increase the air permeability of the cooling part 40 so that the smoke generating part 30 The aerosol generated by heating can pass through the cooling part 40 better. Specifically, the plurality of ventilation grooves 41 form a channel with the inner wall of the tube body 10 so that the aerosol can pass through the channel. When the smoke-generating part 30 contains granular aerosol-generating substrates, that is, smoke-generating particles, the inner diameter of the ventilation groove 41 is smaller than the outer diameter of a single smoke-generating particle to prevent the smoke-generating particles from passing through the ventilation The groove 41 falls into other structures in the heat-not-burn cartridge 1 , thus affecting the use of the heat-not-burn cartridge 1 . Specifically, the maximum width W of the ventilation groove 41 in the preset cross-sectional direction is: 0.8mm≤W≤1.2mm, and the depth H of the ventilation groove 41 is: 0.5mm≤H≤0.6mm. The preset cross-sectional direction is perpendicular to the first end 11 and points toward the second end 12 .

Please refer to Figures 7, 8 and 9 together. Figure 7 is a schematic cross-sectional view along line A-A in yet another embodiment of the heat-not-burn cartridge provided in the embodiment of Figure 1; Figure 8 is a schematic view of the heat-not-burn cartridge provided in the embodiment of Figure 7. A schematic structural diagram of the cartridge in the first state; Figure 9 is a schematic structural diagram of the heat-not-burn cartridge provided in the embodiment of Figure 7 in the second state. In this embodiment, the cooling part 40 has a first receiving space 42 and a second receiving space 43 arranged oppositely in the direction in which the first end 11 points to the second end 12 . The first receiving space 42 is disposed close to the smoking part 30 relative to the second receiving space 43 , and the smoking part 30 can enter the first receiving space 42 . The second receiving space 43 is connected with the receiving cavity 60 .

In this embodiment, the first receiving space 42 is used to provide an activity space for the smoking part 30 to prevent the density of the smoking part 30 from becoming larger when the smoking part 30 is squeezed. As a result, the air gap inside the smoking part 30 becomes smaller, thereby increasing the suction resistance of the heat-not-burn cartridge 1 and affecting the user's use. Specifically, when heating the heat-not-burn cartridge 1, the heat-not-burn cartridge 1 needs to be inserted into the smoking set so that the heating components (for example, heating needles or heating sheets, etc.) in the smoking set are inserted into the smoking set. In the smoking part 30, since the heating component has a certain volume, it will squeeze the smoking part 30, and the smoking part 30 will be squeezed and partially enter the first receiving space 42. The first receiving space 42 is partially filled or completely filled, thereby preventing the aerosol-generating matrix from being squeezed and causing excessive suction resistance. Specifically, the volume of the first receiving space 42 is 30 mm ³ to 35 mm ³ , so that the first receiving space 42 provides sufficient activity space for the smoking part 30 .

In this embodiment, when the preparation of the heat-not-burn cartridge 1 is completed, the heat-not-burn cartridge 1 is in the first state (see Figure 8), and the smoke-generating part 30 is all in the first state. Exterior of Containment Space 42. When the heat-not-burn cartridge 1 is inserted into the smoking article, the heat-not-burn cartridge 1 is in the second state (see Figure 9), and the smoking part 30 partially enters the first receiving space 42. The first receiving space 42 is partially filled or completely filled. It should be noted that in FIG. 9 , the smoke-generating part 30 partially enters the first receiving space 42 and partially fills the first receiving space 42 for illustration, but the smoke-generating part 30 does not enter the first receiving space 42 . The amount of a receiving space 42 is limited. It should be noted that during the preparation process of the heat-not-burn cartridge 1, it is possible that the smoking part 30 partially enters the first receiving space 42 due to processing errors or transportation between processing steps, so that The heat-not-burn cartridge 1 is in the second state. It should be noted that when the heat-not-burn cartridge 1 is not inserted into the smoking article, the smoking part 30 may partially enter the first receiving space 42 due to transportation or external collision, so that the The heat-not-burn cartridge 1 is in the second state. Therefore, the first state only means that the smoke generating part 30 is entirely outside the first receiving space 42 , and the second state only means that part of the smoking part 30 enters the first receiving space 42 . It is understood that the first state and the second state do not limit the use state of the heat-not-burn.

It should be noted that the second receiving space 43 is the same as or different from the first receiving space 42, but the second receiving space 43 has the same function as the first receiving space 42, that is, in another In the embodiment, when the direction of the cooling part 40 is opposite to the direction in FIG. 7 , the second receiving space 43 is disposed closer to the smoke emitting part 30 relative to the first receiving space 42 , and the emitting part is disposed closer to the smoke emitting part 30 . The cigarette part 30 can enter the second receiving space 43 , and the first receiving space 42 is connected with the receiving cavity 60 . Wherein, the volume of the second receiving space 43 is 30mm ³ to 35mm ³ .

In addition, when the first receiving space 42 and the second receiving space 43 are the same, the structural thickness of the cooling part 40 can be made uniform, avoiding shrinkage and deformation of the cooling part 40 during production, which is beneficial to controlling the Dimensions of each part of the cooling unit 40.

Please refer to FIG. 10 , which is a schematic cross-sectional view along line A-A in yet another embodiment of the heat-not-burn cartridge provided by the embodiment in FIG. 1 . In this embodiment, the cooling part 40 also has a ventilation hole 44 , and the ventilation hole 44 communicates with the first accommodation space 42 and the second accommodation space 43 .

In this embodiment, the cooling part 40 also has a ventilation hole 44, and the ventilation hole 44 communicates with the first accommodation space 42 and the second accommodation space 43. The ventilation hole 44 is used to increase the The air permeability of the cooling part 40 is such that the aerosol generated by heating the smoking part 30 can better pass through the cooling part 40 . When the smoke-generating part 30 contains granular aerosol-generating substrates, that is, smoke-generating particles, the inner diameter of the ventilation hole 44 is smaller than the outer diameter of a single smoke-generating particle to prevent the smoke-generating particles from passing through the ventilation hole 44 . The air holes 44 fall into other structures in the heat-not-burn cartridge 1, thereby affecting the use of the heat-not-burn cartridge 1. Specifically, the inner diameter D3 of the ventilation hole 44 is: 0.6mm≤D3≤1mm.

Please refer to Figures 11 and 12. Figure 11 is a schematic structural diagram of the cooling portion of the heat-not-burn cartridge provided in the embodiment of Figure 10; Figure 12 is a schematic cross-sectional view along line C-C of the cooling section of the heat-not-burn cartridge provided in Figure 11. In this embodiment, the sum of the cross-sectional area S1 of the ventilation groove 41 in the preset cross-sectional direction and the cross-sectional area S2 of the ventilation hole 44 in the preset cross-section direction is equal to the cross-sectional area S2 of the cooling part 40 in the preset cross-section. The ratio of the cross-sectional area S0 in the direction is: 15%≤(S1+S2)/S0≤20%. The preset cross-sectional direction is perpendicular to the direction in which the first end 11 points to the second end 12 .

In this embodiment, the cross section of the ventilation groove 41 , the ventilation hole 44 and the cooling part 40 in the preset cross-sectional direction is as shown in FIG. 12 . The ventilation groove 41 and the ventilation hole 44 need to be of suitable size so that the heat-not-burn cartridge 1 has a suitable suction resistance. If the size of the ventilation groove 41 and the ventilation hole 44 is too large, the suction resistance of the heat-not-burn cartridge 1 will be too small, affecting the user's smoking experience. If the size of the ventilation slot 41 and the ventilation hole 44 is too small, the suction resistance of the heat-not-burn cartridge 1 will be too large, which will also affect the user's smoking experience, and the ventilation slot 41 and the ventilation hole If the size of 44 is too small, the concentration of the inhaled aerosol of the heat-not-burn cartridge 1 will be too low. Therefore, the ventilation groove 41 and the ventilation hole 44 need to be of suitable size. Specifically, the cross-sectional area S1 of the ventilation groove 41 in the preset cross-sectional direction and the cross-section of the ventilation hole 44 in the preset cross-sectional direction. The ratio of the sum of the areas S2 to the cross-sectional area S0 of the cooling part 40 in the preset cross-sectional direction is: 15% ≤ (S1 + S2)/S0 ≤ 20%. The preset cross-sectional direction is perpendicular to the direction in which the first end 11 points to the second end 12 . Wherein, S1 is the sum of the cross-sectional areas of all the ventilation grooves 41 in the preset cross-sectional direction.

Please refer to Figures 1 and 13 again. Figure 13 is a schematic cross-sectional structural diagram of the cooling portion of the heat-not-burn cartridge provided in the embodiment of Figure 10. In this embodiment, the outer diameter D1 of the cooling part 40 is larger than the inner diameter D0 of the pipe body 10 , so that the cooling part 40 and the pipe body 10 form an interference fit, so that the cooling part 40 fixed to the tube body 10.

In this embodiment, the outer diameter D1 of the cooling part 40 is larger than the inner diameter D0 of the pipe body 10 , so the cooling part 40 and the pipe body 10 form an interference fit, so that the cooling part 40 can be fixed. On the pipe body 10 , the cooling part 40 can be disposed at a preset position of the pipe body 10 and maintain the relative position unchanged to form support for the pipe body 10 . Specifically, the outer diameter D1 of the cooling part 40 is: 6.5mm≤D1≤6.8mm, and the inner diameter D0 of the tube body 10 is: 6.4mm≤D0≤6.65mm.

Please refer to FIGS. 1 and 13 again. In this embodiment, both ends of the cooling part 40 have chamfers 45 , and the outer diameter of the cooling part 40 at the chamfers 45 is smaller than that of the tube body 10 . the inside diameter of.

In this embodiment, both ends of the cooling part 40 have chamfers 45 so that the outer diameter of the cooling part 40 at the chamfers 45 is smaller than the inner diameter of the tube body 10 . When the cooling part 40 is loaded into the tube body 10, the chamfer 45 can serve as a guide to assist loading. If the cooling part 40 has no chamfer 45, or the outer diameter of the cooling part 40 at the chamfer 45 is greater than or equal to the inner diameter of the pipe body 10, then the cooling part 40 is loaded into the pipe. When the pipe body 10 is removed, the cooling part 40 will squeeze the second end 12 and cause damage to the pipe body 10 . Therefore, the outer diameter of the cooling part 40 at the chamfer 45 is smaller than the inner diameter of the pipe body 10 , which can avoid damage to the pipe body 10 when the cooling part 40 is loaded into the pipe body 10 . The second end 12 causes damage. Specifically, the length L4 of the chamfer 45 in the radial direction of the cooling part 40 is: 0.6 mm ≤ L4 ≤ 1 mm. The angle of the chamfer 45 is not limited, for example, 30°, 45°, 60°, 75° etc.

Please refer to FIGS. 1 and 13 again. In this embodiment, the length L2 of the cooling part 40 is greater than the outer diameter D1 of the cooling part 40 .

In this embodiment, the length L2 of the cooling part 40 is greater than the outer diameter D1 of the cooling part 40 to facilitate the loading of the cooling part 40 before the cooling part 40 is loaded into the tube body 10 . Identification of direction. If the length L2 of the cooling part 40 is less than or equal to the outer diameter D1 of the cooling part 40 , when loading and transporting the cooling part 40 , it is difficult to control the length direction of the cooling part 40 to be consistent with the transportation direction, or It is necessary to add a direction identification mechanism to identify the direction of the cooling part 40 , which reduces the preparation efficiency of the heat-not-burn cartridge 1 and easily leads to errors in the filling of the cooling part 40 . Specifically, the cooling part 40 has two sides. The end is loaded into the pipe body 10 toward the inner wall of the pipe body 10 . Therefore, the length L2 of the cooling part 40 needs to be larger than the outer diameter D1 of the cooling part 40. Specifically, L2: 8mm≤L2≤10mm, D1: 6.5mm≤D1≤6.8mm.

In addition, in one embodiment, the material of the cooling part 40 includes poly(ether-ether-ketone) (PEEK), polyphenylene sulfone resins (PPSU), polyazepine At least one of cyclopropane (poly(ethylene imine), PEI), polyamide (polyamide, PA), polyformaldehyde (POM) or silica gel.

In this embodiment, the material of the cooling part 40 is food-grade plastic or silica gel, etc., and has good heat-resistant effect. Specifically, the temperature-resistant temperature of the cooling part 40 is 270°C to 400°C. When the aerosol generated when the smoke generating part 30 is heated passes through the cooling part 40, the cooling part 40 can absorb the heat of the aerosol, thereby achieving a good cooling effect. Specifically, the material of the cooling part 40 may be, but is not limited to, one or more of PEEK, PPSU, PEI, PA, POM or silica gel. When the material of the cooling part 40 is plastic material, the cooling part 40 is made by an injection molding process. When the material of the cooling part 40 is silicone material, the cooling part 40 is made through a hot pressing molding process.

Please refer to Figures 14, 15, 16 and 17. Figure 14 is a schematic structural diagram of a heat-not-burn cartridge provided by another embodiment of the present application; Figure 15 is a three-dimensional view of the heat-not-burn cartridge provided by the embodiment of Figure 14. Exploded schematic diagram; Figure 16 is a schematic cross-sectional view along line D-D of the heat-not-burn cartridge provided by the embodiment of Figure 14; Figure 17 is a partially enlarged schematic diagram of position I of the heat-not-burn cartridge provided by the embodiment of Figure 16. In this embodiment, the heat-not-burn cartridge 1 includes a tube body 10 , a sealing part 20 , a smoking part 30 , a cooling part 40 and a filtering part 50 . The tube body 10 has a first end 11 and a second end 12 arranged oppositely. The sealing portion 20 is used to seal the first end 11 . The smoke generating part 30 is received in the tube body 10 , and is disposed adjacent to the first end 11 . The cooling part 40 is received in the tube body 10 and is disposed adjacent to the smoke emitting part 30 . The filter part 50 is received in the tube body 10 and is disposed at the second end 12 . The filter part 50 and the cooling part 40 are spaced apart to form a receiving cavity 60 . In addition, in this embodiment, the heat-not-burn cartridge 1 also includes a packaging member 70 , the packaging member 70 wraps the tube body 10 , and the two ends of the packaging member 70 are in contact with the tube body 10 Both ends are flush.

In this embodiment, the packaging member 70 is used to wrap the pipe body 10 and to cover dirt, oblique curling creases, etc. on the outer surface of the pipe body 10 . Specifically, the material of the packaging member 70 is tipping paper, which may be, but is not limited to, 32 to 40 g/m2 of tipping paper. In addition, the packaging member 70 wraps the tube body 10 in a flat roll, so that one end surface of the packaging member 70 is flush with the surface of the sealing portion 20 away from the first end 11 . The other end surface of the member 70 is flush with the surface of the pipe body 10 close to the second end 12 . Specifically, the length L5 of the package 70 is: 42mm≤L5≤46mm, and the outer diameter D4 of the package 70 is: 7.15mm≤D4≤7.3mm.

Although the embodiments of the present application have been shown and described above, it can be understood that the above-mentioned embodiments are illustrative and cannot be understood as limitations of the present application. Those of ordinary skill in the art can make modifications to the above-mentioned embodiments within the scope of the present application. The embodiments are subject to changes, modifications, substitutions and modifications, and these improvements and modifications are also deemed to be within the protection scope of the present application.

Claims

A heat-not-burn cartridge, characterized in that the heat-not-burn cartridge includes:

A pipe body having a first end and a second end arranged oppositely;

a sealing portion, the sealing portion is used to seal the first end;

A smoke-generating part, the smoke-generating part is received in the tube body, and the smoke-generating part is arranged adjacent to the first end;

A cooling part, the cooling part is received in the tube body and is located adjacent to the smoke emitting part; and

A filter part is received in the tube body and is provided at the second end. The filter part is spaced apart from the cooling part to form a receiving cavity.
The heat-not-burn cartridge according to claim 1, wherein the ratio of the length L1 of the receiving cavity in the direction in which the first end points to the second end and the length L0 of the tube body is: 30%≤L1/L0≤35%.
The heat-not-burn cigarette cartridge according to claim 1, wherein the cooling portion has evenly distributed ventilation grooves on its peripheral side, and the ventilation grooves run through all directions in the direction from the first end to the second end. The cooling part is provided, and the ventilation groove is connected to the receiving cavity.
The heat-not-burn cartridge according to claim 3, wherein the cooling portion has a first receiving space and a second receiving space arranged oppositely in the direction from the first end to the second end, so The first receiving space is arranged close to the smoking part relative to the second receiving space, and the smoking part can enter the first receiving space, and the second receiving space is connected with the receiving cavity.
The heat-not-burn cartridge according to claim 4, wherein the cooling part further has a ventilation hole, and the ventilation hole communicates with the first accommodation space and the second accommodation space.
The heat-not-burn cartridge according to claim 5, wherein the sum of the cross-sectional area S1 of the ventilation groove in the preset cross-sectional direction and the cross-sectional area S2 of the ventilation hole in the preset cross-section direction is The ratio of the cross-sectional area S0 of the cooling part in the preset cross-sectional direction is: 15%≤(S1+S2)/S0≤20%, where the preset cross-sectional direction and the first end point to the second end The direction is vertical.
The heat-not-burn cartridge according to claim 5, wherein the outer diameter D1 of the cooling part is larger than the inner diameter D0 of the tube body, so that the cooling part and the tube body form an interference fit, to fix the cooling part to the pipe body.
The heat-not-burn cartridge according to claim 7, wherein both ends of the cooling part have chamfers, and the outer diameter of the cooling part at the chamfers is smaller than the inner diameter of the tube body.
The heat-not-burn cartridge according to claim 7, wherein the length L2 of the cooling part is greater than the outer diameter D1 of the cooling part.
The heat-not-burn cigarette cartridge according to any one of claims 1 to 9, characterized in that the material of the cooling part includes polyetheretherketone, polyphenylenesulfone resin, polyaziridine, polyethylene At least one of amide, polyformaldehyde or silica gel.
The heat-not-burn cartridge according to claim 1, wherein the material of the tube body can be, but is not limited to, one or more of 50-200g/㎡ white cardboard or 50-200g/㎡ kraft paper. kind.
The heat-not-burn cartridge according to claim 1, wherein the length L0 of the tube body is: 42mm≤L0≤46mm.
The heat-not-burn cartridge according to claim 1, characterized in that the inner diameter D0 of the tube body is: 6.4mm≤D0≤6.65mm, and the outer diameter D00: 6.9mm≤D00≤7.1mm.
The heat-not-burn cartridge according to claim 1, wherein the material of the sealing part can be, but is not limited to, 10-50g/㎡ silk tissue paper, 10-50g/㎡ high air permeability paper or 45-105g /㎡ of butter paper.
The heat-not-burn cartridge according to claim 1, wherein the smoke-generating part includes an aerosol-generating matrix.
The heat-not-burn cartridge according to claim 1, wherein the filling length L3 formed by the smoking part being accommodated in the tube body is: 13mm≤L3≤18mm.
The heat-not-burn cartridge according to claim 1, wherein the cooling part is spaced apart from the smoke-generating part.
The heat-not-burn cartridge according to claim 1, wherein the cooling part is in contact with the smoke generating part.
The heat-not-burn cartridge according to claim 1, wherein the filter part is made of food-grade porous fluffy material.
The heat-not-burn cartridge according to claim 1, wherein the outer diameter of the filter part is larger than the inner diameter of the tube body.