WO2023236653A1 - 管状雾化芯 - Google Patents

管状雾化芯 Download PDF

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Publication number
WO2023236653A1
WO2023236653A1 PCT/CN2023/088316 CN2023088316W WO2023236653A1 WO 2023236653 A1 WO2023236653 A1 WO 2023236653A1 CN 2023088316 W CN2023088316 W CN 2023088316W WO 2023236653 A1 WO2023236653 A1 WO 2023236653A1
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WO
WIPO (PCT)
Prior art keywords
liquid
wall
tube
cotton
sheet
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PCT/CN2023/088316
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English (en)
French (fr)
Inventor
林光榕
郑贤彬
Original Assignee
惠州市新泓威科技有限公司
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Publication of WO2023236653A1 publication Critical patent/WO2023236653A1/zh

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Classifications

    • 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
    • A24F40/44—Wicks
    • 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
    • A24F40/46—Shape or structure of electric heating means

Definitions

  • the present invention relates to the technical field of atomizing cores for electronic cigarette atomizers. More specifically, the present invention relates to a tubular atomizing core.
  • E-cigarettes generally include a battery assembly and an atomizer.
  • the battery assembly contains a battery that supplies power to the atomizer.
  • the atomizer is equipped with an atomizing core. When the atomizing core is powered on, it can evaporate the atomizing liquid, that is, the e-cigarette. The liquid is heated and evaporated to produce aerosol, or e-cigarette smoke, for users to smoke.
  • the atomizing core of existing electronic cigarettes mainly includes a structure with a liquid-conducting cotton rope wrapped around a heating wire, and a structure with porous ceramics and a heating resistor.
  • the structure of the liquid-conducting cotton rope wrapped around the heating wire has a small conductive cross-sectional area through which the liquid-conducting cotton rope can conduct smoke liquid, so the atomization amount is small during operation, and when working at high temperature, the atomizer seat and the If the liquid-conducting cotton rope is not properly sealed, liquid may easily leak.
  • the structure of porous ceramics plus heating resistors has many disordered micropores in the porous ceramics. When working for a long time, the macromolecules, microparticles, sugars, etc. contained in the e-cigarette liquid are easy to aggregate and block the porous pores. In the micropores of ceramics, a burnt smell is easily produced at high temperatures, resulting in reduced smoke volume, inconsistent smoking taste, impure taste, and even a burnt smell when users smoke.
  • the purpose of the present invention is to provide a tubular atomizer core that, through structural improvements, can cause the heat and mist on the evaporation surface of the atomizer core to be dispersed in a timely manner, thereby preventing the atomizer core from overheating and causing a burnt smell.
  • a tubular atomizing core including an atomizing tube, a liquid-conducting cotton, a heating sheet and a hollow tube plug.
  • the heating sheet is composed of a sheet-shaped heating resistor with a conductive path. Resistor leads are connected to both sides of the heating piece.
  • the heating piece is rolled into a tube shape with two sides not connected.
  • the outer wall of the heating piece wraps the liquid-conducting cotton and is set in the middle of the inner wall of the atomization tube.
  • An inverted U-shaped notch is provided on the wall of the atomizer tube.
  • the hollow tube plug is sleeved on the inner wall and the outer wall of the lower end of the atomizer tube.
  • the hollow pipe plug is sleeved on the inner wall of the atomizer tube.
  • the side walls upwardly abut and support the liquid-conducting cotton.
  • the tail end of the liquid-conducting cotton protrudes from the U-shaped notch.
  • the liquid-conducting cotton is composed of a sheet-shaped body made of cotton material.
  • the liquid-conducting cotton is composed of at least two layers of sheet-like bodies laminated.
  • a permeable sheet is provided between the heating sheet and the liquid-conducting cotton, and the permeable sheet is provided with permeable holes.
  • the heating sheet is composed of a mesh with several through holes.
  • the heating piece is made of stainless steel heating resistor material.
  • the wall of the atomization tube located at the liquid-conducting cotton is also provided with a liquid-conducting through hole.
  • the hollow tube plug includes an inner tube plug and an outer tube plug.
  • the inner tube plug is sleeved on the inner wall of the lower end of the atomization tube, and its upper end abuts and supports the liquid-conducting cotton upwards.
  • the outer pipe plug includes an outer wall part that is sleeved on the outer wall of the lower end of the atomizer tube and an inner wall part that is sleeved on the inner wall of the inner pipe plug.
  • the outer wall part is connected to the bottom of the inner wall part to be integrated.
  • the liquid-conducting cotton is made of at least one of organic cotton, ceramic fiber cotton, glass fiber cotton, PP fiber, nylon fiber, non-woven fabric, and PET fiber.
  • the tubular atomizing core has a simple structure and is easy to assemble into the atomizer, which can improve production efficiency; its liquid-conducting cotton is in a tubular shape and conducts smoke liquid from the outside to the inside. Supporting and attaching the liquid-conducting cotton avoids the shortcomings of the liquid-conducting cotton rope having a small conductive area for conducting smoke liquid, a small amount of atomization during operation, and easy liquid leakage during high-temperature operation. At the same time, the liquid-conducting cotton conducts smoke through a loose fiber structure. The liquid does not need to be conducted through micropores, which avoids that when porous ceramics are working, macromolecules, microparticles, sugars, etc.
  • the disadvantage of the burnt smell is that it can maintain a large atomization volume, consistent smoking taste, and pure taste, avoid sucking out the burnt smell, and bring a better user experience; in addition, the raw materials used in the liquid-conducting cotton are low-cost and do not require Sintering, simple process and simple structure can greatly reduce costs and improve production efficiency.
  • Figure 1 is a perspective view of a tubular atomizing core according to an embodiment of the present invention
  • Figure 2 is an exploded view of the three-dimensional structure of the tubular atomizing core according to the embodiment of the present invention
  • Figure 3 is a front cross-sectional view of the tubular atomizing core according to the embodiment of the present invention.
  • Figure 4 is a cross-sectional view of the outer pipe plug according to the embodiment of the present invention.
  • Figure 5 is an exploded view of the three-dimensional structure of the liquid-conducting cotton according to another embodiment of the present invention.
  • Figure 6 is a cross-sectional view of a combination of liquid conductive cotton, permeable sheet and heating sheet according to another embodiment of the present invention.
  • the tubular atomizing core of the present invention is used to be assembled into an atomizer of an electronic cigarette to absorb smoke liquid and heat the smoke liquid to atomize it into aerosol or electronic cigarette smoke.
  • the tubular atomizer core is placed vertically upward as shown in Figure 3.
  • the relevant parts of this article are "upper, lower, upper, lower, upper end, lower end, upper, lower, upward, downward”. "" and other descriptions all refer to the up-down position relationship when the tubular atomizer core is placed vertically upward.
  • a tubular atomizing core of the present invention includes an atomizing tube 1, a liquid-conducting cotton 2, a heating sheet 3 and a hollow tube plug 4.
  • the heating sheet 3 has a certain shape in the same plane. It consists of a sheet-shaped heating resistor with a conductive path.
  • the conductive path refers to a conductive path with a certain shape in the heating sheet.
  • Resistor leads 31 are connected to both sides of the heating sheet 3.
  • the heating sheet 3 is rolled into a tube shape with unconnected sides.
  • the heating sheet The outer wall of 3 is wrapped with liquid-conducting cotton 2 and then set in the middle of the inner wall of the atomization tube 1.
  • the wall of the atomization tube 1 is provided with an inverted U-shaped notch 11, and the hollow tube plug 4 is connected to the lower end of the atomization tube 1.
  • the hollow tube plug 4 is sleeved on the inner wall and the outer wall of the lower end of the atomizer tube 1 at the same time.
  • the wall portion on one side of the inner wall of the atomizer tube 1 is sleeved on the hollow tube plug 4 and upwardly abuts and supports the liquid-conducting cotton 2.
  • the hollow tube plug 4 There is a ventilation hole in the center.
  • the heating sheet 3 is generally made of metal material. After being rolled into a tube shape, it has considerable strength and is not easily deformed.
  • the heating piece 3 is composed of a mesh with a plurality of through holes 32.
  • the through holes 32 of the mesh facilitate the aerosol generated by the evaporation of the smoke liquid to be emitted into the tube holes of the heating piece 3.
  • the atomization tube 1 is provided with two symmetrical U-shaped notches 11.
  • the U-shaped notches 11 facilitate the installation of the heating piece 3 and the liquid-conducting cotton 2.
  • the tail end of the liquid-conducting cotton 2 is not wrapped around the heating piece 3 and is removed from the U
  • the tail end of the liquid-conducting cotton can be extended into the liquid storage chamber of the electronic cigarette atomizer to absorb and cache more smoke liquid faster.
  • the atomization tube 1 is also provided with a liquid conduction through hole 12 on the wall of the liquid conduction cotton 2.
  • the liquid conduction through hole 12 is symmetrically arranged.
  • the liquid conduction through hole 12 is used to store the electronic cigarette atomizer. More of the smoke liquid in the liquid chamber is introduced into the liquid-conducting cotton 2 .
  • the hollow tube plug 4 includes an inner tube plug 41 and an outer tube plug 42.
  • the inner tube plug 41 is provided on the inner wall of the lower end of the atomizer tube 1, and its upper end abuts and supports the liquid-conducting cotton 2 upward.
  • the outer pipe plug 42 includes an outer wall portion 421 that is sleeved on the outer wall of the lower end of the atomizer tube 1 and an inner wall portion 422 that is sleeved on the inner wall of the inner pipe plug 41 .
  • the outer wall portion 421 is connected to the bottom of the inner wall portion 422 as a whole.
  • the hollow tube plug 4 is generally made of sealing material such as silica gel.
  • the hollow tube plug 4 serves to support the liquid-conducting cotton 2 upward, and at the same time, it can seal the U-shaped gap and the air inlet interface between the atomizer tube 2 and the atomizer. When connected, it plays a sealing role to prevent leakage of smoke liquid.
  • the liquid-conducting cotton 2 in this embodiment is made of organic cotton, and is made into a sheet shape that has a certain adhesive force and is difficult to disperse. That is, the liquid-conducting cotton 2 is composed of a sheet-shaped body.
  • the liquid-conducting cotton 2 shown in Figure 2 is in its unfolded shape.
  • the liquid-conducting cotton of the present invention refers to a cotton or cotton-like substance that can conduct smoke liquid, and is not limited to cotton itself.
  • the liquid-conducting cotton 2 may also be made of one or a combination of ceramic fiber cotton, glass fiber cotton, PP fiber, nylon fiber, non-woven fabric, and PET fiber. These materials are all Soft cotton-like material.
  • the liquid-conducting cotton Since the above-mentioned raw materials used in the liquid-conducting cotton are low in cost, do not require sintering, have simple processes and simple structures, they are easy to assemble into the atomizing core, which can greatly reduce costs and improve production efficiency.
  • the liquid-conducting cotton is made of simple materials. Compared with ordinary porous ceramic materials, it does not contain heavy metal components. Therefore, the soft atomizer core has no risk of heavy metal precipitation under high-temperature working conditions.
  • the liquid-conducting cotton 2 is composed of two layers of laminated sheets 21.
  • the stacking of the two-layered sheets 21 makes the liquid-conducting cotton 2 easy to absorb the conductive smoke liquid and not prone to deformation. causing damage and leakage.
  • a permeable sheet 5 is provided between the heating sheet 3 and the liquid-conducting cotton 2, and the permeable sheet 5 is provided with permeable holes (not shown in the figure) for permeating smoke liquid.
  • the permeable piece 5 can support the liquid-conducting cotton 2 outward and prevent the liquid-conducting cotton 2 from deforming and denting inward under long-term high-temperature operation. At the same time, it can also slow down the smoke liquid stored in the liquid-conducting cotton 2 through the permeable hole. Released onto the heating piece 3, the evaporation amount and penetration amount of the smoke liquid reach a balance during operation.
  • the permeable sheet 5 can be made very thin, and can be made of high temperature resistant, non-conductive materials such as plastic, silica gel, porous ceramics, diatomaceous earth and other materials.
  • the liquid-conducting cotton rolled into a tubular shape when the liquid-conducting cotton rolled into a tubular shape is working, it conducts smoke liquid from the outside to the inside. Its sheet-like body and tubular structure enable a large area for conducting and heating the smoke liquid, and avoid the conduction of smoke liquid by the liquid-conducting cotton rope. It has the disadvantages of small area, small amount of atomization during operation, and easy deformation leading to liquid leakage when working at high temperature. Moreover, the liquid-conducting cotton uses the above-mentioned cotton-like material and has a loose fiber structure. The smoke liquid is transmitted through the gaps between the fiber structures and does not need to be transmitted through micropores. Therefore, the liquid conduction is fast and can maintain a large atomization volume.
  • porous ceramics which avoids the shortcomings of macromolecules, microparticles, sugar, etc. contained in the e-cigarette liquid being easy to aggregate and block in the micropores, and easily producing a burnt taste at high temperatures.
  • the tube hole in the middle of the atomizing tube can be used as an atomizing airway.
  • the smoke liquid is conducted from outside to inside in the liquid-conducting cotton to the heating piece, and is atomized on the heating piece to form aerosol or smoke.
  • the aerosol or smoke is discharged from bottom to top in the tube hole.
  • the tubular atomizing core of the present invention can be pre-assembled as a whole and used as an accessory in the production of the atomizer.
  • the upper end of the atomizing core only needs to be connected to the smoke discharge port of the atomizer.
  • the lower end can be connected to the air inlet, the structure is simple and the process is simple, and it is easy to assemble into the atomizer, which can improve production efficiency and easily realize automated production.

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Abstract

一种管状雾化芯，包括雾化管(1)、导液棉(2)、发热片(3)和空心管塞(4)，发热片(3)由具有导电路径的片状发热电阻构成，发热片(3)的两侧连接设有电阻引线(31)，发热片(3)卷成两侧不连接的管状，发热片(3)的外壁包裹导液棉(2)后套装于雾化管(1)的内壁中部，雾化管(1)的管壁上设有倒置的U形缺口(11)，空心管塞(4)套接于雾化管(1)的下端的内壁和外壁，空心管塞(4)套接雾化管(1)的内壁一侧的壁部向上抵接并承托导液棉(2)。管状雾化芯，结构简单，容易组装到雾化器，可以提高生产效率；另外，管状雾化芯，具有较大的雾化量、以及吸烟口感前后一致、口味纯正，避免吸出焦味，给用户带来更好的使用体验。

Description

管状雾化芯 技术领域
本发明涉及电子烟雾化器的雾化芯技术领域，更具体的说，本发明涉及一种管状雾化芯。
 背景技术
电子烟一般包括电池组件和雾化器，电池组件内具有给雾化器供应电源的电池，雾化器内设有雾化芯，雾化芯在通电时可将雾化液也即电子烟烟液加热蒸发产生气雾即电子烟烟雾，供用户吸食。现有电子烟的雾化芯，主要包括有导液棉绳缠绕发热丝的结构，以及多孔陶瓷加发热电阻的结构。
其中，导液棉绳缠绕发热丝的结构，由于其导液棉绳可传导烟液的导通横截面的面积小，工作时雾化量就较小，且在高温工作时因雾化座与导液棉绳密封不良就容易漏液。另外，多孔陶瓷加发热电阻的结构，由于其多孔陶瓷内存在许多无序的微孔，在长时间工作时，电子烟烟液中含有的大分子和微颗粒、糖分等容易聚集、堵塞在多孔陶瓷的微孔内，且在高温下容易产生烧焦的焦味，导致用户吸烟时烟雾量降低、吸烟的口感前后不一致，口味不纯正甚至吸出焦味。
 技术问题
 本发明的目的是提供一种管状雾化芯，该雾化器通过结构的改进，可以使雾化芯在蒸发面的热量和气雾及时发散，防止雾化芯过热导致焦味。
 技术解决方案
本发明的技术方案是这样实现的：一种管状雾化芯，包括雾化管、导液棉、发热片和空心管塞，所述发热片由具有导电路径的片状发热电阻构成，所述发热片的两侧连接设有电阻引线，所述发热片卷成两侧不连接的管状，所述发热片的外壁包裹所述导液棉后套装于所述雾化管的内壁中部，所述雾化管的管壁上设有倒置的U形缺口，所述空心管塞套接于所述雾化管的下端的内壁和外壁，所述空心管塞套接所述雾化管的内壁一侧的壁部向上抵接并承托所述导液棉。
优选地，所述导液棉的尾端从所述U形缺口处伸出。
优选地，所述导液棉由棉质材料制成的片状体构成。
优选地，所述导液棉由至少两层的片状体层叠构成。
优选地，所述发热片与导液棉之间还设有渗透片，所述渗透片上设有渗透孔。
优选地，所述发热片由具有若干通孔的网片构成。
优选地，所述发热片由不锈钢发热电阻材料制成。
优选地，所述雾化管位于所述导液棉处的管壁上还设有导液通孔。
优选地，所述空心管塞包括内管塞和外管塞，所述内管塞套接于所述雾化管的下端内壁，其上端向上抵接并承托所述导液棉，所述外管塞包括套接于所述雾化管的下端外壁的外壁部和套接于所述内管塞内壁的内壁部，所述外壁部与内壁部的底部连接成一体。
优选地，所述导液棉的构成材料至少包括有机棉、陶瓷纤维棉、玻璃纤维棉、PP纤维、尼龙纤维、无纺布、PET纤维中的一种。
 有益效果
该管状雾化芯，结构简单，容易组装到雾化器，可以提高生产效率；其导液棉呈管状由外向内传导烟液，传导和加热烟液的面积大，且发热片呈管状可以牢固支撑、贴附导液棉，避免了导液棉绳传导烟液的传导面积小、工作时雾化量较小以及高温工作时容易漏液的缺点，同时导液棉通过疏松的纤维结构传导烟液，不需要通过微孔传导，避免了多孔陶瓷工作时，烟液中含有的大分子和微颗粒、糖分等容易聚集、堵塞在多孔陶瓷的微孔内，且在高温下容易产生烧焦的焦味的缺点，可以保持较大的雾化量、以及吸烟口感前后一致、口味纯正，避免吸出焦味，给用户带来更好的使用体验；另导液棉采用的原材料成本低、不需要烧结、工艺简单及结构简单，可以极大地降低成本、提高生产效率。
 附图说明
图1为本发明实施例管状雾化芯的立体视图；
图2为本发明实施例管状雾化芯的立体结构分解图；
图3为本发明实施例管状雾化芯的正面剖视图；
图4为本发明实施例的外管塞的剖视图；
图5为本发明另一实施例的导液棉的立体结构分解图；
图6为本发明另一实施例的导液棉、渗透片和发热片组合的剖视图。
 本发明的最佳实施方式
本发明管状雾化芯，用于组装到电子烟的雾化器中进行吸收烟液并将烟液加热雾化承气雾或电子烟烟雾。为便于行文描述，如图3所示将该管状雾化芯朝上竖直放置，本文所述有关各部件的“上、下、上部、下部、上端、下端、上面、下面、向上、向下”等描述，均是指在该管状雾化芯朝上竖直放置时的上下位置关系。
本发明的实施方式
下面将结合附图与具体实施例对本发明进行详细说明。
实施例
如图1-图3所示，本发明一种管状雾化芯，包括雾化管1、导液棉2、发热片3和空心管塞4，其中，发热片3由在同一平面内具有一定形状导电路径的片状发热电阻构成，导电路径是指发热片具有一定形状的导电通路，发热片3的两侧连接设有电阻引线31，发热片3卷成两侧不连接的管状，发热片3的外壁包裹导液棉2后套装于雾化管1的内壁中部，雾化管1的管壁上设有倒置的U形缺口11，空心管塞4套接于雾化管1的下端，空心管塞4同时套接于雾化管1下端的内壁和外壁，空心管塞4套接雾化管1的内壁一侧的壁部向上抵接并承托导液棉2，空心管塞4的中心设有通气孔。发热片3一般由金属材料制成，其卷成管状后，具有相当的强度、不易变形，可以牢固地向外支撑、贴附导液棉2，防止导液棉变形、松动而发生漏液。本实施例中，发热片3由具有若干通孔32的网片构成，网片的通孔32便于烟液蒸发产生的气雾从中散发到发热片3的管孔中。
本实施例中，雾化管1设有对称的两个U形缺口11，U形缺口11便于安装发热片3和导液棉2，导液棉2的尾端未包裹发热片3并从U形缺口11处伸出，该导液棉的尾端可伸出到电子烟雾化器的储液腔中用于更快更多地吸收、缓存烟液。
雾化管1位于导液棉2处的管壁上还设有导液通孔12，本实施例中导液通孔12为对称设置，导液通孔12用于将电子烟雾化器的储液腔中的烟液更多地导入到导液棉2中。
如图3-图4所示，空心管塞4包括内管塞41和外管塞42，内管塞41设于雾化管1的下端内壁，其上端向上抵接并承托导液棉2，外管塞42包括套接于雾化管1下端外壁的外壁部421和套接于内管塞41内壁的内壁部422，外壁部421与内壁部422的底部连接成一体。空心管塞4一般由密封材料如硅胶制成，空心管塞4起到向上支撑导液棉2的作用，同时可以封住U形缺口，以及在雾化管2与雾化器的进气接口连接时，起到密封作用，防止烟液泄露。
本实施例的导液棉2采用有机棉制成，并制成具有一定粘合力、不易分散的片状，即导液棉2由片状体构成。图2中所示的导液棉2系展开后的形状。本发明的导液棉，是指可传导烟液的棉质或棉状物质，并不局限于棉本身。在其它实施例中，导液棉2的构成材料还可以是陶瓷纤维棉、玻璃纤维棉、PP纤维、尼龙纤维、无纺布、PET纤维中的一种或几种混合构成，这些材料均为软质棉状材料。由于导液棉采用的上述原材料成本低、不需要烧结、工艺简单及结构简单，容易组装到雾化芯，可以极大地降低成本、提高生产效率。另导液棉的组成材料成分简单，相比一般的多孔陶瓷材料，不含有重金属的成分，故软质雾化芯在高温工作的条件下，没有重金属析出的风险。
如图5所示，在其它实施例中，导液棉2由两层片状体21层叠构成，两层片状体21层叠使导液棉2既容易吸收传导烟液，又不容易发生变形而导致损坏和漏液。
如图6所示，在其它实施例中，发热片3与导液棉2之间还设有渗透片5，渗透片5上设有用于渗透烟液的渗透孔（图中未示）。渗透片5可起到向外支撑导液棉2、防止导液棉2在长时间高温工作下发生变形、向内凹陷的作用，同时还可通过渗透孔将导液棉2存储的烟液缓释到发热片3上，工作时使烟液的蒸发量与渗透量达到一种平衡，没有雾化时通过渗透孔的烟液形成表面张力达到另一种平衡，防止烟液泄漏。渗透片5可以做得很薄，渗透片5可以由耐高温、不导电的材料如塑胶、硅胶、多孔陶瓷、硅藻土等材料构成。
本发明中，卷成管状的导液棉工作时，自外侧向内侧传导烟液，其片状体、管状结构使得传导和加热烟液的面积大，避免了导液棉绳传导烟液的传导面积小、工作时雾化量较小以及高温工作时容易发生变形导致漏液的缺点。且导液棉采用上述棉状的材料，具有疏松的纤维结构，烟液通过纤维结构之间的缝隙传导，不需要通过微孔传导，故导液快、可以保持较大的雾化量，相对于多孔陶瓷，避免了烟液中含有的大分子和微颗粒、糖分等容易聚集、堵塞在微孔内、且在高温下容易产生焦味的缺点。
本发明的管状雾化芯，雾化管中间的管孔可作为雾化气道，烟液在导液棉中自外向内传导至发热片，并在发热片上雾化后形成气雾或烟雾，该气雾或烟雾在管孔中自下而上向上排出。本发明的管状雾化芯可预先组装为一个整体，在雾化器生产中作为一个配件，在组装到雾化器时，只需将该雾化芯的上端与雾化器的烟雾排出口连接，下端与进气口连接即可，结构简单及工艺简单，容易组装到雾化器，可以提高生产效率，容易实现自动化生产。
 工业实用性
以上所述仅为本发明的较佳实施例，凡依本发明权利要求范围所做的均等变化与修饰，皆应属本发明权利要求的涵盖范围。

Claims (10)

  1. 一种管状雾化芯，其特征在于：包括雾化管、导液棉、发热片和空心管塞，所述发热片由具有导电路径的片状发热电阻构成，所述发热片的两侧连接设有电阻引线，所述发热片卷成两侧不连接的管状，所述发热片的外壁包裹所述导液棉后套装于所述雾化管的内壁中部，所述雾化管的管壁上设有倒置的U形缺口，所述空心管塞套接于所述雾化管的下端的内壁和外壁，所述空心管塞套接所述雾化管的内壁一侧的壁部向上抵接并承托所述导液棉。
  2. 根据权利要求1所述的管状雾化芯，其特征在于：所述导液棉的尾端从所述U形缺口处伸出。
  3. 根据权利要求1所述的管状雾化芯，其特征在于：所述导液棉由棉质材料制成的片状体构成。
  4. 根据权利要求3所述的管状雾化芯，其特征在于：所述导液棉由至少两层的片状体层叠构成。
  5. 根据权利要求1所述的管状雾化芯，其特征在于：所述发热片与导液棉之间还设有渗透片，所述渗透片上设有渗透孔。
  6. 根据权利要求1所述的管状雾化芯，其特征在于：所述发热片由具有若干通孔的网片构成。
  7. 根据权利要求1所述的管状雾化芯，其特征在于：所述发热片由不锈钢发热电阻材料制成。
  8. 根据权利要求1所述的管状雾化芯，其特征在于：所述雾化管位于所述导液棉处的管壁上还设有导液通孔。
  9. 根据权利要求1所述的管状雾化芯，其特征在于：所述空心管塞包括内管塞和外管塞，所述内管塞套接于所述雾化管的下端内壁，其上端向上抵接并承托所述导液棉，所述外管塞包括套接于所述雾化管的下端外壁的外壁部和套接于所述内管塞内壁的内壁部，所述外壁部与内壁部的底部连接成一体。
  10. 根据权利要求1所述的管状雾化芯，其特征在于：所述导液棉的构成材料至少包括有机棉、陶瓷纤维棉、玻璃纤维棉、PP纤维、尼龙纤维、无纺布、PET纤维中的一种。
PCT/CN2023/088316 2022-06-07 2023-04-14 管状雾化芯 WO2023236653A1 (zh)

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