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WO2021174845A1 - 一种加热不燃烧烟弹 - Google Patents

一种加热不燃烧烟弹 Download PDF

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Publication number
WO2021174845A1
WO2021174845A1 PCT/CN2020/120004 CN2020120004W WO2021174845A1 WO 2021174845 A1 WO2021174845 A1 WO 2021174845A1 CN 2020120004 W CN2020120004 W CN 2020120004W WO 2021174845 A1 WO2021174845 A1 WO 2021174845A1
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WO
WIPO (PCT)
Prior art keywords
cartridge
cup
heat
burn
cover
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Ceased
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PCT/CN2020/120004
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English (en)
French (fr)
Inventor
钱剑冰
詹保鸣
花琴
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Guangdong Wonderful International Biotechnology Co Ltd
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Guangdong Wonderful International Biotechnology Co Ltd
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Publication of WO2021174845A1 publication Critical patent/WO2021174845A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/42—Cartridges or containers for inhalable precursors

Definitions

  • the present invention relates to the field of heat-not-burn new tobacco, in particular to a heat-not-burn smoke bomb.
  • cigarette bomb is a shell filled with regenerated tobacco.
  • the cartridge shell will be adjusted accordingly according to the state of tobacco regeneration.
  • the function and purpose of the cartridge case are to maintain, store and protect tobacco regenerating, while ensuring that the cartridge can be ventilated when the user inhales, so as to ensure the inflow of air and the outflow of smoke.
  • the common heat-not-burn cartridges are sheet-type cartridges, in which the regenerated tobacco is tobacco flakes, and the tobacco flakes are rolled into a cylindrical shape. Since there are gaps between the tobacco sheets, only the sides can be packaged.
  • the sheet-type cartridge used in the Marlboro IQOS heat-not-burn cigarette has a thin paper shell and only the side of the package.
  • the patent application number 201811503459.8 provides a low-temperature non-combustible cartridge structure, the content of which is tobacco particles, the cartridge shell is composed of a cartridge cup, a sealing film and a sealing film, and the thermoplasticity of the sealing film is used to achieve heat sealing.
  • the principle of heat sealing is: when the sealing film is heated to more than 200 °C, the heat sealing glue (thermoplastic glue, such as the most commonly used polyethylene) of the heat cover will soften and glue at high temperature, and then it will contact the cigarette containing tobacco particles. At the opening edge of the bomb cup, the thermal plastic solidifies during the rapid cooling process, thereby fixing the sealing film on the open end of the bomb cup.
  • This patented technology is easily damaged due to the use of a heat-sealing film structure.
  • the solid thermal plastic after heat sealing will soften and fail when subjected to high temperature again, so there is a temperature tolerance.
  • the temperature resistance is low (for example, lower than 200°C), when the cartridge is heated for use (the heating temperature is usually 200-400°C), the thermoplastic is prone to softening and failure, resulting in degumming and smoking The projectile can no longer achieve the encapsulation function. If the temperature resistance is higher (for example, higher than 200°C), although the thermoplastic effect can be maintained during heating, however, because the thermoplastic is usually a high molecular polymer, even food-grade thermoplastics are unavoidable. Undesirable chemical changes occur when heated to high temperatures.
  • the present invention provides a heat-not-burn cigarette cartridge, which has a stable shell structure and can reliably encapsulate tobacco regenerates, and since there is no need to heat during the encapsulation process, , Will not affect tobacco regeneration, convenient processing, can greatly reduce production costs and effectively improve processing efficiency.
  • the present invention adopts the following technical solutions.
  • a heat-not-burn cartridge which is composed of regenerated heat-not-burn tobacco and a packaging shell thereof.
  • the packaging shell includes a cartridge cup and a cartridge cover, wherein the cartridge cup Including the open end surface of the cartridge cup, the side wall surface of the cartridge cup and the bottom end surface of the cartridge cup, and the cartridge cup is provided with an air inlet; the cartridge cover includes the top surface of the cartridge cover and the side wall surface of the cartridge cover, and the top of the cartridge cover The surface is provided with smoke flow outlet holes; the cartridge cover is embedded and fixed in the cartridge cup through the snap fit of the open end surface of the cartridge cup.
  • the heat-not-burn cartridge of the present invention adopts the above structure, in particular, the cartridge cover is embedded and fixed in the cartridge cup through the snap fit of the open end surface of the cartridge cup, which is compared with the prior art.
  • the cartridge cover can be tightly combined with the open end surface of the cartridge cup (ie, the cartridge cup).
  • the cartridge structure adopting this structure is firm and stable, the processing technology is safe and simple, and can avoid the adverse chemical reactions caused by heating and viscose in the prior art and the disadvantages to the tobacco content in the cartridge cup In addition, it can also avoid the use of accessories such as gaskets used in the prior art, thereby greatly reducing production costs and effectively improving processing efficiency.
  • the total area of the through holes of the smoke flow outlet holes on the top surface of the cartridge cover is not less than the total area of the through holes of the air inlet of the cartridge cup. More preferably, the total area of the through holes of the air inlet of the cartridge cup is not less than 2.8 mm 2 .
  • the air inlet is arranged at the bottom end surface of the cartridge cup and/or the proximal end of the side wall surface of the cartridge cup.
  • the total area of the through holes of the flue gas outlet holes on the top surface of the cartridge cover is not less than the total area of the through holes of the air inlet of the cartridge cup, that is, the air inflow is not less than the flue gas outflow. Ensure full utilization of gas and effectively improve flue gas conversion efficiency. Based on a large number of experimental studies, the inventor found that for the specific field of cartridges, the total area of the through holes of the air inlet of the cartridge cup is not less than 2.8 mm 2 to ensure that the user draws smoothly and has no sense of obstruction.
  • smoke bombs cup sidewall having a taper surface K 1, having a smoke bomb lid sidewall tapered surface K 2, and, 0 ⁇ K 2 ⁇ K 1 ⁇ 0.25, and more preferably 0 ⁇ K 2 ⁇ K 1 ⁇ 0.25 .
  • the so-called “the taper of the side wall surface of the cartridge cup K 1” is the ratio of the difference between the diameter of the top port and the bottom end surface of the cartridge cup to the height of the cartridge cup, that is, the taper of the side wall surface of the cartridge cup is K 1.
  • the diameter of the top surface of the cartridge cup is D 1
  • the diameter of the bottom port of the cartridge cup is d 1
  • the height of the cartridge cup is H 1
  • smoke bombs cover bottom port diameter d 2 smoke bombs cover height H 2
  • the side wall surface of the cartridge cup and the side wall surface of the cartridge cover adopt a structural design with a certain taper, it is beneficial to realize the progressive heating of the cartridge when the cartridge is used in the smoking device.
  • the cartridge The cap has the greatest expansion tendency, which can significantly improve the stability and firmness of the cartridge packaging shell structure; when 0 ⁇ K 2 ⁇ K 1 ⁇ 0.25, the diameter of the bottom port of the cartridge cover is smaller than the diameter of the top surface of the cartridge cover, that is, the cartridge cover The diameter of the bottom port of the lid is smaller than the inner diameter of the opening at the top of the cartridge cup. In this case, a part of the bottom end of the cartridge cover can easily enter the inside of the cartridge cup, which is beneficial to position alignment in mechanical production and ensures the effective action of mechanical force.
  • the cartridge cover realizes the snap fit with the open end surface of the cartridge cup through a pressurized expansion processing method.
  • the main material of the cartridge cup body and the cover body are the same, the expansion coefficient is the same, the structure is stable after the cover is pressed, and it is not easy to separate.
  • the side wall surface of the cartridge cup has a certain taper K 1 (that is, the cartridge body has a tapered structure)
  • the taper K 2 of the side wall surface of the cartridge cover is greater than or equal to 0 (ie, the side wall of the cartridge cover It is a straight cylindrical structure or a tapered structure)
  • the taper K 1 of the side wall surface of the cartridge cup is greater than the taper K 2 of the side wall surface of the cartridge cover. Therefore, this specific structure is conducive to the realization of the cartridge cover and the cartridge cover provided by the present invention.
  • the cartridge cup is packaged and combined and fixed.
  • the taper of the cartridge cover is smaller than the taper of the cartridge cup, when the cartridge cover is pressed into the cartridge cup by mechanical pressure, the cartridge will be forced under the action of the mechanical pressure and the sidewall surface of the cartridge cup.
  • the cover deforms inwardly, thereby producing an outward expansion trend, which can be tightly combined with the side wall surface of the cartridge cup, so that the cartridge cover can be reliably clamped and fixed in the cartridge cup to form a cartridge packaging shell Solid, stable and sealed structure.
  • an anti-clogging device with a porous structure is provided at the bottom of the cartridge cup. More preferably, the air permeability of the anti-clogging device is not less than 2000 CU.
  • the anti-clogging device can adopt a fiber structure, a mesh structure, a sand core structure, a porous structure formed by die casting of solid particles, and the like.
  • an anti-clogging device in the cartridge cup, which can play an anti-clogging effect, preventing the tobacco content from leaking and blocking the through holes during production, transportation, and use, so as to ensure the passage of smoke And conversion efficiency; and can also improve the filtering effect, because the smoke generated in the cartridge will carry part of the tobacco content or impurity fine powder, the particle size of these fine powders is often smaller than the aperture of the through hole, but larger than the air gap diameter of the anti-clogging device. Therefore, it can be filtered in the cartridge through the anti-clogging device.
  • an airtight sealing layer is pasted on the outer surface of the bottom end surface of the cartridge cup and the outer surface of the top surface of the cartridge cover, and the sealing layer can be made of plastic, aluminum foil, paper or similar materials.
  • an air-tight sealing layer on the outer surface of the cartridge it can protect the tobacco content, prevent its components from volatilizing, and prevent the tobacco content from deterioration or loss due to external pollution; protect the through-hole structure of the cartridge to prevent through-holes Blocked; protect the cartridge packaging shell from damage and deformation.
  • Fig. 1 is a schematic diagram schematically showing the manufacturing and assembling process of the cartridge of the present invention.
  • Figure 2a is a schematic structural diagram showing the overall structure of the cartridge of the present invention.
  • Fig. 2b is a partial enlarged view of the open end surface of the cartridge cup in Fig. 2a.
  • Figure 3 is a schematic structural diagram showing another improved structure of the cartridge cup of the present invention.
  • Figure 4 is a schematic structural diagram showing another improved structure of the cartridge cup of the present invention.
  • Figure 5 is a schematic structural diagram showing another improved structure of the cartridge cup of the present invention.
  • Figure 1 is a schematic diagram of the assembly of the cartridge, which shows the assembly process of the cartridge of the present invention.
  • the cartridge cover 2 realizes the snap fit with the open end surface of the cartridge cup through the pressurized expansion processing method.
  • FIG. 2a is a schematic structural diagram showing the structure of the cartridge related to the present invention.
  • the cartridge is composed of a heat-not-burn tobacco regenerated material 5 and its packaging shell.
  • the packaging shell includes a cartridge cup 1 and a cartridge cover 2.
  • the cartridge cup 1 is provided with an open end surface 101 of the cartridge cup, a side wall surface 102 of the cartridge cup, and a bottom end surface 103 of the cartridge cup.
  • the bottom end surface 103 of the cartridge cup is provided with an air inlet 104 that allows air to flow in, and the total area of the through holes of the air inlet 104 is 4.2 mm 2 .
  • the cartridge cup 1 can be stamped from metal aluminum, with a height of 16 mm and a thickness of 0.24 mm, and the diameter of the bottom end surface 103 of the cartridge cup is 8.0 mm.
  • the open end surface 101 of the cartridge cup is provided with an external flange, and the extension width of the flange is 1 mm.
  • the side wall surface 102 of the cartridge cup has a certain taper, for example, the taper is 0.12.
  • the cartridge cover 2 is provided with a top surface 201 of the cartridge cover and a side wall surface 202 of the cartridge cover.
  • the top surface 201 of the cartridge cover adopts a porous structure, that is, a plurality of flue gas outlet holes 203 are provided, and the total area of the through holes is 4.8 mm 2 .
  • the sidewall surface 202 of the cartridge cover has a certain taper, and in this embodiment, the taper is 0.08.
  • an anti-clogging device 3 is provided on the inner bottom side of the cartridge cup 1.
  • the anti-clogging device 3 can adopt a fiber sheet made of pure cotton fiber with a thickness of 0.02 mm, and its air permeability is preferably 6000-8000 CU.
  • a sealing layer 4 is provided on the outer surface of the bottom end surface 103 of the cartridge cup and the outer surface of the top end surface 201 of the cartridge cover.
  • the sealing layer 4 can be made of aluminum foil, which can be pasted on the outer surface of the bottom end surface 103 of the cartridge cup and the top surface 201 of the cartridge cover by glue. During use, the smoker can remove the sealing layer 7 and use the cartridge.
  • the regenerated tobacco 5 is tobacco particles, and the cross-section of the cartridge is circular, so that it can be used as a heat transfer smoking device with a cylindrical wall.
  • the production process of the cartridge of this embodiment is as follows: first, the cartridge cup 1 and the cartridge cover 2 are molded from aluminum material. After that, a sealing layer 4 made of aluminum foil is pasted on the outer surface of the bottom end surface 103 of the cartridge cup. Subsequently, the anti-clogging device 3 is placed in the cartridge cup 1 to ensure that the anti-clogging device 3 completely covers the air inlet 104 of the bottom end surface 103 of the cartridge cup, and the cartridge cup 1 is filled with tobacco particles. Tobacco regeneration 5. Then, a sealing layer 4 made of aluminum foil is pasted on the outer surface of the top surface 201 of the cartridge cover. Finally, the cartridge cover 2 is aligned with the cartridge cup 1 and the cartridge cover 2 is pressed downward to fix it in the cartridge cup 1, thereby making a cartridge.
  • the user can first remove the sealing layer 4 at both ends of the cartridge, and then place the cartridge in the heat transfer smoking device on the wall of the smoking device, close the heating chamber and start the heating device for smoking. Suck. After the smoking is finished, the heating cavity of the smoking set can be opened, and the residual cartridges that have been heated to release the smoke can be taken out.
  • FIG. 3 shows another improved structure of the cartridge cup 1 of the present invention.
  • the cartridge cup 1 is made of ceramic firing, and its height is 30mm and the thickness is 0.19mm; the diameter of the bottom end of the cartridge cup is 10.0mm, and the extension width of the outer flange of the open end of the cartridge cup is 2mm;
  • the side wall surface of the bullet cup has a certain taper, and the taper may be 0.07, for example.
  • An air inlet 104 is provided on the bottom end of the cartridge cup, and the total area of the through holes is 6.0 mm 2 .
  • An anti-clogging device 3 with a mesh structure is arranged in the cartridge cup 1, which is made of high-temperature sintered quartz particles on a fine iron wire mesh, with a thickness of 3 mm and an air permeability of 2500-3500 CU.
  • FIG 4 shows another improved structure of the cartridge cup 1 of the present invention.
  • the cartridge cup 1 has a double-layer structure, that is, the outer wall is formed by high-temperature sintering of ceramics, and the iron film on the inner wall is formed after being sintered in a high-temperature environment. This structure ensures that the internal heat of the cartridge cup is evenly concentrated, reduces heat loss, and is beneficial to heating.
  • the overall height of the cartridge cup 1 is 10.0mm, and the thickness is 0.35mm.
  • the diameter of the bottom end of the cartridge cup is 12mm, and the extension width of the outer flange of the open end of the cartridge cup is 3mm.
  • the side wall of the cartridge cup has a certain taper, and the taper may be 0.25, for example.
  • the bottom end surface of the cartridge cup 1 and the lower end of the side wall surface of the cartridge cup are provided with an air inlet 104, and the total area of the through holes is 2.8 mm 2 .
  • the cartridge cup 1 is provided with an anti-clogging device 3, which is made of quartz particles mixed with silicon crystal ultra-fine powder through high-pressure molding, with a thickness of 1.0 mm and an air permeability of 4000-6000 CU.
  • FIG. 5 shows another improved structure of the cartridge cup 1 of the present invention.
  • the cartridge cup 1 is made of aluminum stamping and has a height of 9mm and a thickness of 0.22mm.
  • the diameter of the bottom end of the cartridge cup is 3.5mm, and the extension width of the outer flange of the open end of the cartridge cup is 0.5mm.
  • the taper of the side wall of the cartridge cup is 0.18.
  • the air inlet 104 is arranged at the bottom end of the side wall of the cartridge cup, and the total area of the through holes is 4.0 mm 2 .
  • the cartridge cup 1 is provided with an anti-clogging device 3, which is made of copper granular material by sintering or die-casting, with a thickness of 2.0 mm and an air permeability of 3000-5500 CU.

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Abstract

一种加热不燃烧烟弹，其由加热不燃烧用烟草再生物（5）及封装壳体构成。封装壳体包括烟弹杯（1）和烟弹盖（2），烟弹杯（1）包括烟弹杯开口端面（101）、烟弹杯侧壁面（102）及烟弹杯底端面（103），烟弹杯（1）设有空气流入口（104）。烟弹盖（2）包括烟弹盖顶端面（201）和烟弹盖侧壁面（202），烟弹盖顶端面（201）设有烟气流出孔（203）。烟弹盖（2）通过与烟弹杯开口端面（101）的卡嵌配合而嵌入固定在烟弹杯（1）内。通过采用这种结构，避免了加热和粘胶等所产生的不良化学反应以及对烟草内容物的不利影响，并且避免了密封垫等附件的使用，大大降低了生产成本，有效提高加工效率。

Description

一种加热不燃烧烟弹 技术领域
本发明涉及加热不燃烧新型烟草领域，特别涉及一种加热不燃烧烟弹。
背景技术
随着新型烟草不断涌入市场，其生产加工技术得到不断创新和发展，特别是加热不燃烧烟草领域。在加热不燃烧烟草领域中，烟弹及其搭配使用的烟具得到业界的特别关注。所谓“烟弹”，为装填有烟草再生物的壳体。烟弹壳体会随烟草再生物的状态不同而相应调整。烟弹壳体的作用和目的在于保持、存储并保护烟草再生物，同时保证烟弹在使用者抽吸时能够实现通气，以保证空气的流入和烟气的流出。
目前常见的加热不燃烧烟弹为薄片型烟弹，其中，烟草再生物为烟草薄片，将烟草薄片卷制成圆柱形。由于烟草薄片之间存在缝隙，因此，可以只对侧面进行包装。例如，万宝路IQOS型加热不燃烧烟支中使用的薄片型烟弹，烟弹壳体为薄纸，仅包装侧面。
但随着烟草再生物的不断研发，烟草颗粒已成为当前业界新的选择。这种烟草颗粒由于其形状的原因，容易导致从包装体中漏出，因此，在实际加工中必须对烟草颗粒进行全包装，即利用烟弹壳体对烟草颗粒实现封装，所以，用于封装烟草颗粒的封装装置以及封装方法便成为颗粒型烟弹的制造重点和难点。对此，申请号为201811503459.8的专利提供了一种低温不燃烧烟弹结构，其内容物为烟草颗粒，烟弹壳体由烟弹杯、封口膜和密封膜构成，利用封口膜的热塑性实现热封；热封的原理在于：当封口膜升温至200℃以上时，热封面的热封胶(热塑性胶，如最常用的聚乙烯)高温软化、胶粘化，此时接触装有烟草颗粒的烟弹杯 开口沿，迅速降温过程中热塑胶固化，从而将封口膜固定在烟弹杯开口端。此该专利技术由于采用了热封膜结构，因此，易于损坏。另外，由于采用了热塑胶，在热封作用后的固体热塑胶再次受高温时会软化、失效，因此，存在耐受温度。若耐受温度较低(例如，低于200℃)，则烟弹在加热使用时(加热温度通常为200-400℃)，热塑胶易于出现软化、失效的现象，从而导致发生脱胶，以致烟弹不再能实现封装功能。若耐受温度较高(例如，高于200℃)，虽然，这样在加热使用时能保持热塑效果，但是，由于热塑胶通常为高分子聚合物，即使是食品级热塑胶，也难免在加热高温下产生不良的化学变化。
鉴于此，发明人认为，有必要对加热不燃烧烟弹作进一步改进，以进一步提升其性能和使用效果。
发明内容
为了解决以上现有技术中存在的问题，本发明提供了一种加热不燃烧烟弹，其壳体结构稳定，能够对烟草再生物进行可靠的封装，并且，由于在封装过程中无需加热，因此，不会影响烟草再生物，加工方便，能够大大降低生产成本并有效提高加工效率。
为解决上述技术问题，本发明采用如下技术方案。
根据本发明的一个方面，提供了一种加热不燃烧烟弹，其由加热不燃烧用烟草再生物及其封装壳体构成，封装壳体包括烟弹杯和烟弹盖，其中，烟弹杯包括烟弹杯开口端面、烟弹杯侧壁面以及烟弹杯底端面，并且，烟弹杯设有空气流入口；烟弹盖包括烟弹盖顶端面和烟弹盖侧壁面，烟弹盖顶端面设有烟气流出孔；烟弹盖通过与烟弹杯开口端面的卡嵌配合而嵌入固定在烟弹杯内。
根据以上技术方案，由于本发明的加热不燃烧烟弹采用了以上结构，特别是 烟弹盖通过与烟弹杯开口端面的卡嵌配合而嵌入固定在烟弹杯内，与现有技术相比，仅通过简单的机械加工和机械力作用，就能实现烟弹盖与烟弹杯开口端面(即，烟弹杯)的紧密结合。采用这种结构的烟弹结构牢固稳定，加工工艺安全简便，并能避免现有技术中因采用加热和粘胶等所产生的不良化学反应以及对烟弹杯中填装的烟草内容物的不利影响等缺陷，并且还能避免现有技术采用的密封垫等附件的使用，从而大大降低了生产成本以及有效提高加工效率。
优选的是，烟弹盖顶端面的烟气流出孔的通孔总面积不小于烟弹杯的空气流入口的通孔总面积。更优选的是，烟弹杯的空气流入口的通孔总面积不小于2.8mm 2。另外，优选的是，空气流入口设置在烟弹杯底端面和/或烟弹杯侧壁面的近底端处。
根据以上技术方案，由于烟弹盖顶端面的烟气流出孔的通孔总面积不小于烟弹杯的空气流入口的通孔总面积，即空气流入量不小于烟气流出量，因此，能够保证气体的充分利用率并有效提高烟气转换效率。发明人根据大量试验研究发现，对于烟弹这一特定领域，烟弹杯的空气流入口的通孔总面积不小于2.8mm 2，以确保使用者抽吸顺畅，无阻碍感。
优选的是，烟弹杯侧壁面具有锥度K 1，烟弹盖侧壁面具有锥度K 2，并且，0≤K 2＜K 1≤0.25，更优选的是0＜K 2＜K 1≤0.25。此处说明的是，所谓“烟弹杯侧壁面的锥度K 1”，为烟弹杯顶端口、底端面的直径之差与烟弹杯高度的比值，即烟弹杯侧壁面的锥度为K 1，烟弹杯顶端面直径为D 1，烟弹杯底端口直径为d 1，烟弹杯高度为H 1，则锥度K 1的计算公式为：K 1＝(D 1-d 1)/H 1；所谓“烟弹盖侧壁面具有锥度K 2”，为烟弹盖顶端面、底端口的直径之差与烟弹盖高度的比值，即烟弹盖侧壁面的锥度为K 2，烟弹盖顶端面直径为D 2，烟弹盖底端口直径为d 2，烟弹盖 高度为H 2，则烟弹盖侧壁面锥度K 2计算公式为：K 2＝(D 2-d 2)/H 2。
根据以上技术方案，由于烟弹杯侧壁面以及烟弹盖侧壁面采用了具有一定锥度的结构设计，因此，在将烟弹装入烟具使用时，有利于实现烟弹的递进式加热，该锥度结构有利于烟弹内部热量的聚集和转移；另外，该结构还有利于在生产和使用时确定烟弹的顶端-底端方向，从而便于在生产中的整理和使用时的拿取、放置；再有，该结构有利于提升烟弹封装壳体结构的持久稳定性；当0＝K 2＜K 1≤0.25时，烟弹盖侧壁面即为直筒型，在这种情况下，烟弹盖的膨胀趋势最大，其能够显著提升烟弹封装壳体结构的稳定牢固性；当0＜K 2＜K 1≤0.25时，烟弹盖底端口直径小于烟弹盖顶端面直径，即烟弹盖底端口直径小于烟弹杯顶端开口内直径，在这种情况下，烟弹盖底端的一部分可以轻松进入烟弹杯内部，有利于机械生产中位置对准、保证机械力有效作用。
更优选的是，烟弹盖通过加压膨胀加工方式，实现与烟弹杯开口端面的卡嵌配合。烟弹杯体与盖体主要材料相同，膨胀系数一致，压盖后结构稳定、不易脱离分开。
根据以上技术方案，由于烟弹杯侧壁面具有一定锥度K 1(即，烟弹杯身为锥形结构)，而烟弹盖侧壁面的锥度K 2大于等于0(即，烟弹盖侧壁为直筒形结构或锥形结构)，并且，烟弹杯侧壁面的锥度K 1大于烟弹盖侧壁面的锥度K 2，因此，这种特定的结构有利于实现本发明提供的烟弹盖与烟弹杯封装和结合固定。具体来说，由于烟弹盖的锥度小于烟弹杯的锥度，所以，当使用机械压力将烟弹盖压入烟弹杯时，在机械压力和烟弹杯侧壁面的作用下会迫使烟弹盖发生向内变形，进而产生向外的膨胀趋势，由此能够与烟弹杯侧壁面产生紧密结合，从而能够使烟弹盖可靠地卡嵌固定在烟弹杯内，以形成烟弹封装壳体牢固、稳定和密封 的结构。
优选的是，在烟弹杯的底部设置带有多孔结构的防堵塞装置。更优选的是，防堵塞装置的透气度不低于2000CU。该防堵塞装置可以采用纤维结构、网状结构、砂芯结构、由固体颗粒压铸成型的多孔结构等。
根据以上技术方案，在烟弹杯内设有防堵塞装置，能够起到防堵塞作用，防止在生产、运输、使用过程中烟草内容物发生渗漏而堵塞通孔，以保证烟气的通过量和转换效率；并且，还能改善过滤作用，由于烟弹内产生烟气时会携带部分烟草内容物或杂质的微粉，这些微粉粒径往往小于通孔孔径，但大于防堵塞装置透气隙径，因此，通过防堵塞装置能够将其过滤在烟弹内。
优选的是，在烟弹杯底端面的外表面以及烟弹盖顶端面的外表面粘贴不透气密封层，密封层可采用塑料、铝箔、纸或类似材料。
根据以上技术方案，通过在烟弹外表面设置不透气密封层，能够保护烟草内容物，防止其成分挥发，防止烟草内容物受外界污染发生变质或损耗；保护烟弹通孔结构，防止通孔被堵塞；保护烟弹封装壳体以免破损、变形。
附图说明
下面，将参照附图对本发明的最佳实施例进行更详细的描述，以便能更好地理解本发明的上述目的、优点以及其他目的和优点。其中：
图1为示意性显示本发明的烟弹制造装配过程的示意图。
图2a为结构示意图，其显示了本发明的烟弹总体结构。
图2b为图2a中烟弹杯开口端面的局部放大视图。
图3为结构示意图，其显示了本发明的烟弹杯的另一种改进结构。
图4为结构示意图，其显示了本发明的烟弹杯的另一种改进结构。
图5为结构示意图，其显示了本发明的烟弹杯的另一种改进结构。
其中：
1-烟弹杯 2-烟弹盖 3-防堵塞装置 4-密封层
101-烟弹杯开口端面 102-烟弹杯侧壁面 103-烟弹杯底端面
104-空气流入口
201-烟弹盖顶端面 202-烟弹盖侧壁面 203-烟气流出口
5-烟草再生物
具体实施方式
下面，结合附图对本发明的实施例进行详细说明。
图1为烟弹的装配示意图，其显示了本发明的烟弹的装配加工过程。如图1所示，烟弹盖2通过加压膨胀加工方式，实现与烟弹杯开口端面的卡嵌配合。
<实施例1>
图2a为结构示意图，其显示了涉及本发明的烟弹结构。如图2a所示，烟弹由加热不燃烧用烟草再生物5及其封装壳体构成。该封装壳体包括烟弹杯1和烟弹盖2。
烟弹杯1设有烟弹杯开口端面101、烟弹杯侧壁面102以及烟弹杯底端面103。烟弹杯底端面103设有允许空气流入的空气流入口104，空气流入口104的通孔总面积为4.2mm 2。烟弹杯1可以由金属铝材冲压而成，其高度为16mm，厚度为0.24mm，烟弹杯底端面103的直径为8.0mm。
如图2b所示，烟弹杯开口端面101设有外部凸缘，该凸缘的外伸宽度为1mm。烟弹杯侧壁面102有一定锥度，例如其锥度为0.12。
烟弹盖2设有烟弹盖顶端面201和烟弹盖侧壁面202。烟弹盖顶端面201采 用多孔结构，即设置多个烟气流出孔203，其通孔总面积为4.8mm 2。烟弹盖侧壁面202具有一定锥度，在本实施例中，该锥度为0.08。
如图2a所示，在烟弹杯1的内部底侧设有防堵塞装置3。该防堵塞装置3可采用由纯棉纤维制成的厚度为0.02mm的纤维薄片，其透气度优选为6000-8000CU。
另外，在烟弹杯底端面103的外表面以及烟弹盖顶端面201的外表面外均设有密封层4。密封层4可以采用铝箔，其可以通过胶水粘贴在烟弹杯底端面103和烟弹盖顶端面201的外表面上。在使用时，抽吸者可以揭除密封层7而使用烟弹。
在本实施例中，烟草再生物5为烟草颗粒，烟弹横截面为圆形，以便装配筒壁传热型烟具使用。
本实施例的烟弹的生产过程为：首先，由铝材模制形成烟弹杯1和烟弹盖2。之后，在烟弹杯底端面103的外表面粘贴由铝箔制成的密封层4。随后，将防堵塞装置3放置于烟弹杯1内，以确保防堵塞装置3完全覆盖烟弹杯底端面103的空气流入口104，并向烟弹杯1内灌装由烟草颗粒制成的烟草再生物5。而后，在烟弹盖顶端面201的外表面粘贴由铝箔制成的密封层4。最后，将烟弹盖2对准烟弹杯1并向下加压烟弹盖2以将其固定在烟弹杯1内，由此制成烟弹。
在使用本实施例的烟弹时，使用者可先揭除烟弹两端的密封层4，然后将烟弹放置在烟具的筒壁传热型烟具中，关闭加热腔并启动加热烟具，进行抽吸。在抽吸结束后，可打开烟具的加热腔，取出已加热释烟的残留烟弹即可。
图3显示了本发明的烟弹杯1的另一种改进结构。该烟弹杯1由陶瓷烧制而成，其高度为30mm，厚度为0.19mm；烟弹杯底端面的直径为10.0mm，烟弹杯开 口端面的外部凸缘的外伸宽度为2mm；烟弹杯侧壁面具有一定锥度，该锥度例如可以为0.07。在烟弹杯底端面设有空气流入口104，其通孔总面积为6.0mm 2。在烟弹杯1内设置具有网状结构的防堵塞装置3，其由在细铁丝网上高温烧结石英颗粒制成，其厚度为3mm，透气度为2500-3500CU。
图4显示了本发明的烟弹杯1的另一种改进结构。该烟弹杯1为双层结构，即由陶瓷高温烧制形成外壁，并在高温环境下烧结后冷却制得内壁铁膜，此结构保证烟弹杯内部热量均匀集中，减少热损失，有利于加热。该烟弹杯1的整体高度为10.0mm，厚度0.35mm。烟弹杯底端面的直径为12mm，烟弹杯开口端面的外部凸缘的外伸宽度为3mm。烟弹杯侧壁面有一定锥度，该锥度例如可以为0.25。在实施例3中，在烟弹杯1的底端面和烟弹杯的侧壁面的下端设有空气流入口104，其通孔总面积为2.8mm 2。在烟弹杯1内设有防堵塞装置3，该防堵塞装置3采用由石英颗粒混合硅晶超细粉通过高压模制成，其厚度为1.0mm，透气度为4000-6000CU。
图5显示了本发明的烟弹杯1的另一种改进结构。该烟弹杯1由铝材冲压制成，其高度为9mm，厚度为0.22mm。烟弹杯底端面的直径为3.5mm，烟弹杯开口端面的外部凸缘的外伸宽度为0.5mm。烟弹杯侧壁面的锥度为0.18。空气流入口104设置在烟弹杯侧壁面的底端，通孔总面积为4.0mm 2。在烟弹杯1内设有防堵塞装置3，其由铜颗粒材料烧结或压铸制成，其厚度为2.0mm，透气度为3000-5500CU。
以上内容仅是本发明的最佳实施例。应强调的是，在不脱离本发明的发明思想的情况下，本领域普通技术人员对本发明所作的各种变型和改进均应落入本发明的保护范围内。

Claims (10)

  1. 一种加热不燃烧烟弹，其由加热不燃烧用烟草再生物(5)及其封装壳体构成，该封装壳体包括烟弹杯(1)和烟弹盖(2)，其特征在于：
    所述烟弹杯(1)包括烟弹杯开口端面(101)、烟弹杯侧壁面(102)以及烟弹杯底端面(103)，并且，所述烟弹杯(1)设有空气流入口(104)；
    所述烟弹盖(2)包括烟弹盖顶端面(201)和烟弹盖侧壁面(202)，所述烟弹盖顶端面(201)设有烟气流出孔(203)；
    所述烟弹盖(2)通过与所述烟弹杯开口端面(101)的卡嵌配合而嵌入固定在所述烟弹杯(1)内。
  2. 根据权利要求1所述的加热不燃烧烟弹，其特征在于：所述烟弹盖顶端面(201)的烟气流出孔(203)的通孔总面积不小于所述烟弹杯(1)的空气流入口(104)的通孔总面积。
  3. 根据权利要求1或2所述的加热不燃烧烟弹，其特征在于：所述烟弹杯(1)的空气流入口(104)的通孔总面积不小于2.8mm 2。
  4. 根据权利要求1或2所述的加热不燃烧烟弹，其特征在于：所述空气流入口(104)设置在所述烟弹杯底端面(103)和/或所述烟弹杯侧壁面(102)的近底端处。
  5. 根据权利要求1所述的加热不燃烧烟弹，其特征在于：所述烟弹杯侧壁面(102)具有锥度K 1，所述烟弹盖侧壁面(202)具有锥度K 2，并且，0≤K 2＜K 1≤0.25。
  6. 根据权利要求1或5所述的加热不燃烧烟弹，其特征在于：所述烟弹盖(2)通过加压膨胀加工方式，与所述烟弹杯开口端面(101)形成卡嵌配合。
  7. 根据权利要求1-6中任意一项所述的加热不燃烧烟弹，其特征在于：在 所述烟弹杯(1)的底部设置带有多孔结构的防堵塞装置(3)。
  8. 根据权利要求7所述的加热不燃烧烟弹，其特征在于：所述防堵塞装置(3)的透气度不低于2000CU。
  9. 根据权利要求1-8中任意一项所述的加热不燃烧烟弹，其特征在于：在所述烟弹杯底端面(103)的外表面以及所述烟弹盖顶端面(201)的外表面粘贴不透气密封层(4)，所述密封层(4)采用塑料、铝箔、纸或类似材料。
  10. 根据权利要求1-9中任意一项所述的加热不燃烧烟弹，其特征在于：所述烟弹杯(1)的壁面为多层复合结构，所述多层复合结构优选由陶瓷高温烧制形成外壁，并在其内部附着金属膜。
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CN107890138A (zh) * 2017-10-18 2018-04-10 龚忠盘 烟弹
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CN111418904A (zh) * 2020-03-04 2020-07-17 广东精彩国际生物科技有限公司 一种加热不燃烧烟弹

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