WO2023216332A1 - Heat-not-burn cartridge - Google Patents

Abstract

A heat-not-burn cartridge (1), comprising: a tubular body (10), the tubular body (10) having an end away from the lips and an end near the lips which are arranged opposite to each other; a sealing part (20), the sealing part (20) being used for sealing the end away from the lips; a vapor generating portion (30), the vapor generating part (30) being accommodated in the tubular body (10), and the vapor generating part (30) being arranged adjacent to the end away from the lips; a cooling part (40), the cooling part (40) being accommodated in the tubular body (10) and being arranged adjacent to the vapor generating part (30), the portions of the cooling part (40) facing the end near the lips and facing the end away from the lips each being provided with an accommodating space, and the vapor generating part (30) being capable of entering the accommodating space facing the end away from the lips; and a filtering part (50), the filtering part (50) being accommodated in the tubular body (10) and being arranged at the end near the lips. The heat-not-burn cartridge can prevent excessive vaping resistance resulting from an internal gap of the vapor generating part (30) becoming smaller after insertion into a vaping device.

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 the application number 202221116033.9 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 using heat-not-burn cartridges, the smoking end needs to be inserted into the heating component of the smoking set. Since the heating component has a certain volume, it will cause The smoke-generating part causes extrusion, which causes the internal gap of the smoke-generating part to become smaller, thus increasing the suction resistance.

Contents of the invention

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

A tube body having a distal lip end and a proximal lip end arranged oppositely;

a sealing portion, the sealing portion is used to seal the distal lip 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 distal lip end;

The cooling part is accommodated in the tube body and is arranged adjacent to the smoke emitting part. The cooling part has a receiving space toward the proximal lip end and the distal lip end. The smoke emitting part has a receiving space. can enter the receiving space toward the distal labial end; and

A filter part is received in the tube body and is provided at the proximal lip end.

Description of the drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the implementation. Obviously, the drawings in the following description are some implementations of the present application. For ordinary people in the art For technical personnel, other drawings can also be obtained based on these drawings without exerting creative work.

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 structural diagram of the heat-not-burn cartridge provided in the embodiment of Figure 3 in a first state;

Figure 5 is a schematic structural diagram of the heat-not-burn cartridge provided in the embodiment of Figure 3 in a second state;

Figure 6 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 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 cooling portion of the heat-not-burn cartridge provided in the embodiment of Figure 7;

Figure 9 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 8;

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

Figure 11 is a schematic structural diagram of a heat-not-burn cartridge provided by another embodiment of the present application;

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

Figure 13 is a partially enlarged schematic diagram of position I in the heat-not-burn cartridge provided in the embodiment of Figure 12.

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

Detailed ways

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

A tube body having a distal lip end and a proximal lip end arranged oppositely;

a sealing portion, the sealing portion is used to seal the distal lip 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 distal lip end;

The cooling part is accommodated in the tube body and is arranged adjacent to the smoke emitting part. The cooling part has a receiving space toward the proximal lip end and the distal lip end. The smoke emitting part has a receiving space. can enter the receiving space toward the distal labial end; and

A filter part is received in the tube body and is provided at the proximal lip end.

Wherein, the cooling part further includes one or more ventilation holes, and the ventilation holes connect the two receiving spaces of the cooling part toward the proximal lip end and toward the distal lip end.

Wherein, the cooling part further includes a plurality of ventilation grooves evenly arranged in the circumferential direction, and the plurality of ventilation grooves and the tube body form a channel.

Wherein, the cooling part further includes a plurality of ventilation holes, and the sum of the cross-sectional area S1 of the plurality of ventilation holes in the preset cross-sectional direction and the cross-sectional area S2 of the plurality of ventilation slots 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: 10% ≤ (S1 + S2) / S0 ≤ 30%, wherein the preset cross-sectional direction and the distal lip end point to the proximal lip The end direction is vertical.

Wherein, 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.

Wherein, both ends of the cooling part have chamfers, and the chamfer size L1: L1>(D1-D0)/2.

Wherein, the length L2 of the cooling part is: 8mm≤L2≤10mm.

Wherein, the outer diameter D2 of the filter part is larger than the inner diameter D0 of the tube body, so that the filter part and the tube body form an interference fit, the filter part is arranged on the proximal lip end, and the filter part The end portion close to the proximal lip end is flush with the proximal lip end.

Wherein, the heat-not-burn cartridge also includes:

A package, the package wraps the tube body, and one end surface of the package is flush with the end surface of the sealing part away from the distal lip, and the other end surface of the package is close to the tube body The end surface of the proximal labial end is flush.

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, 3, 4 and 5 together. 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 heat-not-burn cartridge provided by the embodiment of Figure 1. A three-dimensional exploded view of the cigarette cartridge; Figure 3 is a schematic cross-sectional view along line A-A in an embodiment of the heat-not-burn cigarette cartridge provided in the embodiment of Figure 1; Figure 4 is a schematic cross-sectional view of the heat-not-burn cigarette cartridge provided in the embodiment of Figure 3 in the first state Figure 5 is a schematic structural diagram of the heat-not-burn cartridge provided in the embodiment of Figure 3 in the second state. 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 distal lip end 12 and a proximal lip end 11 arranged oppositely. The sealing portion 20 is used to seal the distal lip end 12 . The smoke generating part 30 is received in the tube body 10 , and is disposed adjacent to the distal lip end 12 . 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 has a receiving space 41 toward the proximal lip end 11 and the distal lip end 12 . , the smoke emitting part 30 can enter the receiving space 41 toward the distal lip end 12 . The filter part 50 is received in the tube body 10 and disposed on the proximal lip end 11 .

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 distal labial end 12 of the tube body 10 is the distal labial end 12 when used by the user, and the proximal labial end 11 is the proximal labial end 11 when used by the user.

In this embodiment, the sealing portion 20 is used to seal the distal lip end 12 of the tube body 10 to prevent the smoking portion 30 from falling from the distal lip end 12 . 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 distal lip end 12 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 filter part 50 is received in the tube body 10 and disposed at the proximal lip end 11 . 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.

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 cooling portion 40 has a receiving space 41 at both the proximal labial end 11 and the distal labial end 12 . The receiving space 41 facing the distal lip end 12 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. , thus causing the air gap inside the smoking part 30 to become 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, the smoking part 30 will be squeezed, and the smoking part 30 will be squeezed and partially enter toward the distal lip end 12. The receiving space 41 is partially filled or completely filled, thereby preventing the aerosol generating matrix from being squeezed and causing excessive suction resistance. Specifically, the volume of a single receiving space 41 is 30mm ³ to 35mm ³ , preferably 44mm ³ to 48.5mm ³ , so that the receiving space 41 provides sufficient activity space for the smoking part 30 , thereby This prevents the smoking part 30 from being squeezed so that the internal gap becomes smaller.

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 4), and the smoke-generating part 30 is entirely in the receiving space. 41Exterior. 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 5), and the smoking part 30 partially enters the receiving space 41 and is partially filled. Or completely fill the receiving space 41 . It should be noted that in FIG. 5 , the smoking part 30 partially enters the receiving space 41 and partially fills the receiving space 41 , but the amount of the smoking part 30 entering the receiving space 41 is not shown. Make restrictions. 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 receiving space 41 due to processing errors or transportation between processing steps, so that the 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 receiving space 41 due to transportation or external collision, so that the heat-not-burn cartridge 1 cannot be inserted into the smoking article. Combustion smoke bomb 1 is in the second state. Therefore, the first state only means that the smoke generating part 30 is completely outside the receiving space 41 , and the second state only means that part of the smoking part 30 enters the receiving space 41 . It can be understood that, The first state and the second state do not limit the use state of the heat-not-burn device.

This application provides a heat-not-burn cartridge 1, which 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 distal lip end 12 and a proximal lip end 11 arranged oppositely. The sealing portion 20 is used to seal the distal lip end 12 . The smoke generating part 30 is received in the tube body 10 , and is disposed adjacent to the distal lip end 12 . The filter part 50 is received in the tube body 10 and disposed on the proximal lip end 11 . 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 has a receiving space 41 toward the proximal lip end 11 and the distal lip end 12 . , the smoke emitting part 30 can enter the receiving space 41 toward the distal lip end 12 . When the heat-not-burn cartridge 1 is inserted into the smoking set, the heating component in the smoking set will insert into the smoking part 30 and squeeze the smoking part 30, and the smoking part 30 will be squeezed. After being pressed, it will partially enter the receiving space 41 of the cooling part 40 toward the distal lip end 12, thereby preventing the smoking part 30 from being squeezed and causing the internal gap of the smoking part 30 to decrease and increase the temperature. The suction resistance of the heat-not-burn cartridge 1 is increased. Therefore, the heat-not-burn cartridge 1 provided by the present application can prevent the internal gap of the smoking part 30 from becoming smaller after being inserted into the smoking device, resulting in excessive suction resistance.

Please refer to FIG. 6 , which is a schematic cross-sectional view along line A-A in another embodiment of the heat-not-burn cartridge provided in the embodiment of FIG. 1 . In this embodiment, the cooling part 40 further includes one or more ventilation holes 42 , and the ventilation holes 42 connect two ends of the cooling part 40 facing the proximal lip end 11 and the distal lip end 12 . Containment space 41.

In this embodiment, the ventilation hole 42 connects the two receiving spaces 41 of the cooling part 40 toward the proximal lip end 11 and the distal lip end 12 to increase the air permeability of the cooling part 40. Therefore, the aerosol generated by heating the smoke-generating part 30 can pass through the cooling part 40 better. In addition, the receiving space 41 can function as a flow guide to converge the aerosol generated by heating the smoke emitting part 30 to the one or more ventilation holes 42. When the smoke-generating part 30 contains granular aerosol-generating substrates, that is, smoke-generating particles, the inner diameter of each ventilation hole 42 is smaller than the outer diameter of a single smoke-generating particle to prevent the smoke-generating particles from passing through the smoke-generating particles. The ventilation holes 42 fall into other structures in the heat-not-burn cartridge 1, thus affecting the use of the heat-not-burn cartridge 1. Specifically, the inner diameter D3 of each vent hole 42 is: 0.6mm≤D3≤1mm.

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 cooling part in the cartridge; Figure 9 is a schematic cross-sectional view along line B-B of the cooling part in the heat-not-burn cartridge provided in the embodiment of Figure 8. In this embodiment, the cooling part 40 further includes a plurality of ventilation grooves 43 evenly arranged in the circumferential direction, and the plurality of ventilation grooves 43 and the tube body 10 form a channel.

In this embodiment, the cooling part 40 has a plurality of evenly distributed ventilation grooves 43 on its peripheral side. The plurality of ventilation grooves 43 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 43 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 each ventilation groove 43 is smaller than the outer diameter of a single smoke-generating particle to prevent the smoke-generating particles from passing through the smoke-generating particles. The ventilation groove 43 falls into other structures in the heat-not-burn cartridge 1, thereby affecting the use of the heat-not-burn cartridge 1. Specifically, the maximum width W of the ventilation groove 43 in the preset cross-sectional direction is: 0.8mm≤W≤1.2mm, and the depth H of the ventilation groove 43 is: 0.5mm≤H≤0.6mm. The preset cross-sectional direction is perpendicular to the distal lip end 12 and points toward the proximal lip end 11 .

Please refer to FIG. 7 , FIG. 8 and FIG. 9 again. In this embodiment, the cooling part 40 further includes a plurality of ventilation holes 42 . The cross-sectional area S1 of the plurality of ventilation holes 42 in the preset cross-sectional direction is the same as the cross-sectional area S1 of the plurality of ventilation holes 42 . The ratio of the sum of the cross-sectional areas S2 of the plurality of ventilation grooves 43 in the preset cross-sectional direction to the cross-sectional area S0 of the cooling part 40 in the preset cross-sectional direction is: 10%≤(S1+S2)/S0≤30 %, wherein the preset cross-sectional direction is perpendicular to the direction in which the distal lip end 12 points to the proximal lip end 11 .

In this embodiment, the cross-sections of the plurality of ventilation slots 43 , the plurality of ventilation holes 42 and the cooling part 40 in the preset cross-sectional direction are as shown in FIG. 9 . The plurality of ventilation slots 43 and the plurality of ventilation holes 42 need to be of appropriate size so that the heat-not-burn cartridge 1 has appropriate suction resistance. If the sizes of the plurality of ventilation grooves 43 and the plurality of ventilation holes 42 are too large, the suction resistance of the heat-not-burn cartridge 1 will be too small, affecting the user's smoking experience. If the sizes of the plurality of ventilation grooves 43 and the plurality of ventilation holes 42 are 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 plurality of ventilation grooves 43 and the plurality of vent holes 42 will also cause the concentration of the inhaled aerosol of the heat-not-burn cartridge 1 to be too low. Therefore, the plurality of ventilation grooves 43 and the plurality of ventilation holes 42 need to be of appropriate size. Specifically, the cross-sectional area S1 of the plurality of ventilation grooves 43 in the preset cross-sectional direction is equal to the cross-sectional area S1 of the plurality of ventilation holes 42 . The ratio of the sum of the cross-sectional areas S2 in the preset cross-sectional direction to the cross-sectional area S0 of the cooling part 40 in the preset cross-sectional direction is: 10%≤(S1+S2)/S0≤30%. The preset cross-sectional direction is perpendicular to the direction in which the distal labial end 12 points toward the proximal labial end 11 . Wherein, S1 is the sum of the cross-sectional areas of all the ventilation slots 43 in the preset cross-sectional direction, and S2 is the sum of the cross-sectional areas of all the ventilation holes 42 in the preset cross-section direction.

Please refer to FIG. 3 and FIG. 10 . FIG. 10 is a schematic cross-sectional view along line A-A of the cooling portion of the heat-not-burn cartridge provided in the embodiment of FIG. 1 . 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.

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 FIG. 3 and FIG. 10 again. In this embodiment, both ends of the cooling part 40 have chamfers 44 , and the chamfer 44 has a size L1: L1>(D1-D0)/2.

In this embodiment, the two ends of the cooling part 40 have chamfers 44 , and the chamfer 44 has a size L1: L1>(D1-D0)/2, that is, the chamfer 44 is in the cooling part 40 The size in the radial direction is L1, so that the outer diameter of the cooling portion 40 at the chamfer 44 is smaller than the inner diameter D0 of the tube body 10. When the cooling part 40 is loaded into the tube body 10, the chamfer 44 can serve as a guide to assist loading. If the cooling part 40 has no chamfer 44, or the outer diameter of the cooling part 40 at the chamfer 44 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 tube body 10 is removed, the cooling portion 40 will squeeze the proximal lip end 11 , thereby causing damage to the tube body 10 . Therefore, the outer diameter of the cooling part 40 at the chamfer 44 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 proximal labial end 11 causes damage. For example, the length L1 of the chamfer 44 in the radial direction of the cooling part 40 is: 0.6 mm ≤ L1 ≤ 1 mm. The angle of the chamfer 44 is not limited, for example, 30°, 45°, 60°, 75°, etc.

Please refer to FIG. 3 and FIG. 10 again. In this embodiment, the length L2 of the cooling part 40 is: 8 mm ≤ L2 ≤ 10 mm.

In this embodiment, the length L2 of the cooling part 40 is: 8mm≤L2≤10mm, so that the length L2 of the cooling part 40 is greater than the outer diameter D1 of the cooling part 40, so that the cooling part 40 can be Before filling into the tube body 10, the filling direction of the cooling part 40 is identified. 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.

Please refer to Figure 3 again. In this embodiment, 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. The filter part 50 is disposed on the proximal lip end 11 , and the end of the filter part 50 close to the proximal lip end 11 is flush with the proximal lip end 11 .

In this embodiment, the filter part 50 is received in the tube body 10 and disposed at the proximal lip end 11 . 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 tube body 10, so that the filter part 50 and the tube body 10 form an interference fit to fix the filter part 50 to the proximal lip. End 11. Specifically, D2: 6.5mm≤D2≤7mm. In addition, the end surface of the filter part 50 away from the distal lip end 12 is flush with the end surface of the tube body 10 close to the proximal lip end 11 .

In addition, the filter part 50 and the cooling part 40 are spaced apart to form a receiving cavity, and the receiving cavity 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 and collects in the receiving cavity. Finally, the aerosol is smoked by the user through the filtering part 50 . Since the aerosol can accumulate in the receiving chamber to form a certain concentration of aerosol, the concentration of the aerosol passing through the filter part 50 can be increased, that is, the concentration of the aerosol inhaled by the user can be increased.

Please refer to Figures 11, 12 and 13. Figure 11 is a schematic structural diagram of a heat-not-burn cartridge provided by another embodiment of the present application; Figure 12 is a cross-section along line C-C of the heat-not-burn cartridge provided by the embodiment of Figure 11. Schematic diagram; Figure 13 is a partially enlarged schematic diagram of position I in the heat-not-burn cartridge provided in the embodiment of Figure 12. In this embodiment, the heat-not-burn cartridge 1 further includes a packaging member 60 . The packaging member 60 wraps the tube body 10, and one end surface of the packaging member 60 is flush with the end surface of the sealing portion 20 away from the distal lip end 12, and the other end surface of the packaging member 60 is flush with the end surface of the sealing portion 20. The end surface of the tube body 10 close to the proximal lip end 11 is flush.

In this embodiment, the packaging member 60 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 60 is tipping paper, which may be, but is not limited to, 32 to 40 g/m2 of tipping paper. In addition, the packaging member 60 wraps the tube body 10 in a flat roll, so that one end surface of the packaging member 60 is flush with the end surface of the sealing portion 20 away from the distal lip end 12 . The other end surface of the member 60 is flush with the end surface of the tube body 10 close to the proximal lip end 11 . Specifically, the length L4 of the package 60 is: 42mm≤L4≤46mm, and the outer diameter D4 of the package 60 is: 7.15mm≤D4≤7.3mm.

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.

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 (20)

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

   A tube body having a distal lip end and a proximal lip end arranged oppositely;

   a sealing portion, the sealing portion is used to seal the distal lip 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 distal lip end;

   The cooling part is accommodated in the tube body and is arranged adjacent to the smoke emitting part. The cooling part has a receiving space toward the proximal lip end and the distal lip end. The smoke emitting part has a receiving space. can enter the receiving space toward the distal labial end; and

   A filter part is received in the tube body and is provided at the proximal lip end.
2. The heat-not-burn cartridge according to claim 1, wherein the cooling part further includes one or more ventilation holes, and the ventilation holes connect the cooling part toward the proximal lip end and toward the distal end. Two receiving spaces at the lip end.
3. The heat-not-burn cartridge according to claim 2, wherein the cooling part further includes a plurality of ventilation grooves evenly arranged in the circumferential direction, and the plurality of ventilation grooves and the tube body form a channel.
4. The heat-not-burn cartridge according to claim 3, wherein the cooling part further includes a plurality of ventilation holes, and the cross-sectional area S1 of the plurality of ventilation holes in the preset cross-sectional direction is equal to the cross-sectional area S1 of the plurality of ventilation holes. The ratio of the sum of the cross-sectional area S2 of the groove in the preset cross-sectional direction to the cross-sectional area S0 of the cooling part in the preset cross-sectional direction is: 10% ≤ (S1 + S2)/S0 ≤ 30%, where, the The preset cross-sectional direction is perpendicular to the direction in which the distal lip end points to the proximal lip end.
5. The heat-not-burn cartridge according to claim 1, 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.
6. The heat-not-burn cartridge according to claim 5, characterized in that both ends of the cooling part have chamfers, and the chamfer size L1: L1>(D1-D0)/2.
7. The heat-not-burn cartridge according to claim 1, wherein the length L2 of the cooling part is: 8mm≤L2≤10mm.
8. The heat-not-burn cartridge according to claim 1, wherein the outer diameter D2 of the filter part is larger than the inner diameter D0 of the tube body, so that the filter part and the tube body form an interference fit, so The filter part is arranged on the proximal lip end, and the end of the filter part close to the proximal lip end is flush with the proximal lip end.
9. The heat-not-burn cartridge according to claim 1, wherein the heat-not-burn cartridge further includes:

   A package, the package wraps the tube body, and one end surface of the package is flush with the end surface of the sealing part away from the distal lip, and the other end surface of the package is close to the tube body The end surface of the proximal labial end is flush.
10. 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.
11. The heat-not-burn cartridge according to claim 1, wherein the length L0 of the tube body is: 42mm≤L0≤46mm.
12. 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.
13. The heat-not-burn cartridge according to claim 1, wherein the volume of a single receiving space is 30mm ³ to 35mm ³ , or 44mm ³ to 48.5mm ³ .
14. The heat-not-burn cigarette cartridge according to claim 1, wherein the heat-not-burn cigarette cartridge has a first state and a second state, and the first state is that the smoke-generating part is entirely in the receiving space. Externally, the second state is that the smoking part is partially accommodated in the accommodation space.
15. The heat-not-burn cartridge according to claim 2, wherein the inner diameter D3 of the vent hole is: 0.6mm≤D3≤1mm.
16. The heat-not-burn cartridge according to claim 3, wherein the maximum width W of the ventilation groove in the preset cross-sectional direction is: 0.8mm≤W≤1.2mm, and the depth H of the ventilation groove is: 0.5mm≤H≤0.6mm, wherein the preset cross-sectional direction is perpendicular to the direction of the distal lip end and points to the proximal lip end.
17. The heat-not-burn cartridge according to claim 5, wherein the outer diameter D1 of the cooling part is: 6.5mm≤D1≤6.8mm.
18. The heat-not-burn cartridge according to claim 6, wherein the length L1 of the chamfer in the radial direction of the cooling part is: 0.6 mm ≤ L1 ≤ 1 mm.
19. The heat-not-burn cartridge according to claim 8, wherein the outer diameter D2 of the filter part is: 6.5mm≤D2≤7mm.
20. The heat-not-burn cartridge according to claim 8, wherein the end surface of the filter part away from the distal lip end is flush with the end surface of the tube body close to the proximal lip end.

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