CN220274913U - Aerosol bullet - Google Patents

Aerosol bullet Download PDF

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Publication number
CN220274913U
CN220274913U CN202122835779.7U CN202122835779U CN220274913U CN 220274913 U CN220274913 U CN 220274913U CN 202122835779 U CN202122835779 U CN 202122835779U CN 220274913 U CN220274913 U CN 220274913U
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CN
China
Prior art keywords
liquid
capillary
capillary channel
guide element
liquid guide
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CN202122835779.7U
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Chinese (zh)
Inventor
请求不公布姓名
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Zhejiang Maibo Polymer Materials Co ltd
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Zhejiang Maibo Polymer Materials Co ltd
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Classifications

    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/42Cartridges or containers for inhalable precursors
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/46Shape or structure of electric heating means
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/48Fluid transfer means, e.g. pumps
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/48Fluid transfer means, e.g. pumps
    • A24F40/485Valves; Apertures
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M11/00Sprayers or atomisers specially adapted for therapeutic purposes

Abstract

The utility model relates to an aerosol bomb which comprises a liquid storage element, an atomizing chamber cavity, an atomizing core and a capillary channel relay liquid guide element, wherein the atomizing core comprises an atomizing core liquid guide element, the atomizing core liquid guide element is communicated with the liquid storage element only through the capillary channel relay liquid guide element, the capillary channel relay liquid guide element comprises a relay liquid guide element core body and at least two capillary channels which axially penetrate through the relay liquid guide element core body, the capillary channels utilize capillary force of the capillary channels to convey liquid from the liquid storage element to the atomizing core liquid guide element, and the capillary channel relay liquid guide element has a liquid guide function and an air guide function. The aerosol bomb of the utility model is suitable for atomizing various liquids, and can design proper capillary channel shape, size and quantity according to the atomizing requirements of different liquids.

Description

Aerosol bullet
Technical Field
The utility model relates to an aerosol bullet, in particular to an aerosol bullet comprising a capillary channel relay liquid guide element, which is used in the application fields of electronic cigarettes, medicine solution atomization and the like.
Background
The technology of atomizing liquid has been widely used in the fields of electronic cigarettes and the like. A common technique in electronic aerosol cigarettes is to heat an aerosol core liquid guiding element, such as a glass or cotton fiber bundle, that is in direct communication with the tobacco tar, to atomize the liquid. The chamber body of the atomizing chamber is properly matched with the atomizing core liquid guiding element, so that the liquid is conducted from the atomizing core liquid guiding element, and the external air enters the liquid storage element from a gap between the atomizing core liquid guiding element and the chamber body of the atomizing chamber. Because glass fiber bundles and cotton bundles are soft and lack fixed shapes, gaps between the liquid guide elements of the atomization cores and the cavities of the atomization chambers are difficult to precisely control, excessive liquid on the atomization cores can be exploded when the gaps are too large, liquid can be leaked when the gaps are too small, air is difficult to enter the liquid storage elements when the gaps are too small, and then the atomization cores lack of liquid to paste the cores, so that the stability and consumption experience of atomization are affected.
According to a known aerosol bomb with a gas-liquid channel, the gas-liquid channel comprises a fluid core body made of fiber bonding, the fluid core body is used for conducting liquid for an atomization core, and absorption and release of the liquid by the fluid core body are used for controlling the liquid seal of the gas-liquid channel so as to control the atomization process, for example, in an equilibrium state, the fluid core body absorbs enough liquid, and the liquid on the periphery of the fluid core body seals the gas-liquid channel. When liquid is led out from the liquid storage element, negative pressure in the liquid storage element is increased, liquid in the gas-liquid channel is absorbed by the fluid core body, liquid seal of part or all of the gas-liquid channel disappears, air in the atomizing chamber enters the liquid storage element through the gas-liquid channel, and when the vacuum degree in the liquid storage element is reduced to an equilibrium state, the gas-liquid channel is sealed again by the liquid. In the technology, as the liquid flow path in the fiber-bonded fluid core body is more tortuous, the liquid flow speed is slower, and particularly when the temperature is lower, the viscosity of the electronic cigarette liquid with the main components of propylene glycol and glycerol is higher, so that the liquid supply of an atomization core is insufficient, and the taste and even the paste core are easily influenced.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides an aerosol bomb which comprises a liquid storage element, an atomizing chamber cavity, an atomizing core and a capillary channel relay liquid guide element, wherein the atomizing core comprises the atomizing core liquid guide element, the atomizing core liquid guide element is communicated with the liquid storage element only through the capillary channel relay liquid guide element, the capillary channel relay liquid guide element comprises a relay liquid guide element core body and at least two capillary channels which axially penetrate through the relay liquid guide element core body, and the capillary channels utilize capillary force of the capillary channels to convey liquid from the liquid storage element to the atomizing core liquid guide element, and the capillary channel relay liquid guide element has a liquid guide function and an air guide function.
Further, the capillary channel has an inner peripheral wall that is wettable by the liquid in the liquid storage element.
Further, the capillary channels are arranged in a linear or nearly linear manner along the axial direction.
Further, the capillary channel has a minimum cross-section with a maximum inscribed circle diameter of 0.1mm to 0.8mm.
Further, the capillary channel relay liquid guide element comprises a radially enclosed capillary channel.
Further, the capillary channel relay liquid guide element includes a radially open capillary channel.
Further, the capillary channel relay liquid guide member includes an open-ended capillary channel.
Further, the relay liquid guiding element core body is made of plastic or metal.
Further, the capillary channel relay liquid guide element is directly communicated with the liquid storage element and the atomization core liquid guide element.
Further, the aerosol bomb further comprises a relay buffer liquid storage part, and the capillary channel relay liquid guide element is communicated with the atomization core liquid guide element through the relay buffer liquid storage part.
Further, in any cross-section of the capillary channel, the maximum inscribed circle diameter of the capillary channel top is smaller than the maximum inscribed circle diameter of the capillary channel.
The capillary channel relay liquid guide element of the utility model utilizes the capillary force of the capillary channel to convey liquid from the liquid storage element to the atomization core liquid guide element, and the capillary channel is in linear or nearly linear arrangement along the axial direction, and the capillary pulling force from the atomization core liquid guide element communicated with the capillary channel is added, so that the liquid conveying resistance is small and the speed is high, thereby solving the problem of insufficient liquid supply of the atomization core. When the liquid content in the atomization core liquid guide element is increased, the capillary force is reduced, and the negative pressure balance between the liquid guide element and the liquid storage element conducted through the capillary channel is achieved, so that the liquid content in the atomization core liquid guide element is moderate, atomization is stable, and liquid leakage is prevented.
The aerosol bomb of the utility model is suitable for atomizing various liquids, and can design proper capillary channel shape, size and quantity according to the atomizing requirements of different liquids. The capillary channel relay liquid guide element has simple structure, can be manufactured by injection molding, extrusion and other methods, has precise size, low cost and high strength, and is suitable for automatic assembly. In order to make the above-mentioned aspects of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.
FIG. 1a is a schematic view of an aerosol bomb according to a first embodiment of the present utility model;
FIGS. 1b to 1h are various cross-sectional schematic views of a capillary channel relay liquid transfer member according to a first embodiment;
FIG. 1i is a schematic longitudinal cross-sectional view of a capillary channel relay liquid guiding member according to a first embodiment;
FIG. 1j is a schematic longitudinal cross-sectional view of another capillary channel relay liquid guide member according to the first embodiment;
FIG. 2a is a schematic structural view of an aerosol bomb according to a second embodiment of the present utility model;
FIG. 2b is a schematic longitudinal cross-sectional view of a capillary channel relay liquid transfer member according to a second embodiment of the present utility model;
FIG. 2c is a schematic cross-sectional view of a capillary channel relay liquid transfer member at A-A according to a second embodiment;
FIG. 2d is a schematic cross-sectional view of a capillary channel relay liquid transfer member at B-B according to a second embodiment;
FIG. 3a is a schematic view of an aerosol bomb according to a third embodiment of the present utility model;
FIG. 3b is a schematic longitudinal cross-sectional view of a capillary channel relay liquid transfer member according to a third embodiment;
FIG. 3C is an enlarged schematic view of FIG. 3b at C;
FIG. 4a is a schematic structural view of an aerosol bomb according to a fourth embodiment of the present utility model;
FIG. 4b is a schematic cross-sectional view of a capillary channel relay liquid transfer member according to a fourth embodiment;
fig. 4c is a schematic view of another construction of an aerosol bomb according to a fourth embodiment of the present utility model.
FIG. 5a is a schematic view of an aerosol bomb according to a fifth embodiment of the present utility model;
FIG. 5b is a schematic cross-sectional view of a capillary channel relay liquid transfer member according to a fifth embodiment;
FIG. 5c is a schematic longitudinal cross-sectional view of a capillary channel relay liquid guiding member according to FIG. 5 b;
FIG. 5d is another schematic cross-sectional view of a capillary passage relay liquid guide member according to a fifth embodiment;
FIG. 5e is a schematic longitudinal cross-sectional view of a capillary channel relay liquid guiding member according to FIG. 5 d;
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present specification, by describing the embodiments of the present utility model with specific examples.
The exemplary embodiments of the present utility model will now be described with reference to the accompanying drawings, however, the present utility model may be embodied in many different forms and is not limited to the examples described herein, which are provided to fully and completely disclose the present utility model and fully convey the scope of the utility model to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the utility model. In the drawings, like elements/components are referred to by like reference numerals.
Definition in the present utility model:
capillary channel relay liquid guiding element: in the aerosol bullet, the liquid in the liquid storage element can be directly or indirectly conveyed to the liquid guide element of the atomization core liquid guide element by utilizing the capillary channel.
Radially enclosed capillary channels: the capillary channel is not communicated with the outside except two ends of the capillary channel, and the radial direction of any part of the capillary channel is not communicated with the outside, such as a capillary.
Radially open capillary channels: the capillary channel is communicated with the outside of the capillary channel except the two ends, and the radial direction of the capillary channel is communicated with the outside of the capillary channel, such as a capillary groove.
Open ended capillary channels: one or more radially closed capillary channels in the capillary channel relay liquid guide element are short in one end and cannot contact the atomizing core liquid guide element, so that the atomizing core liquid guide element is communicated with the outside atmosphere.
Maximum inscribed circle diameter of capillary channel cross section: the cross section of the radial closed capillary channel, and the maximum inscribed circle is obtained according to mathematical definition; the radial open capillary channel cross section is firstly connected with open points on the cross section by straight lines, and then the maximum inscribed circle diameter is obtained by processing according to the radial closed capillary channel cross section.
Maximum inscribed circle diameter at the top of capillary channel: the two top points of the radial open capillary channel cross section are connected by a straight line, and the maximum inscribed circle diameter of the capillary channel cross section tangential to the straight line is obtained according to mathematical definition.
Unless otherwise indicated, terms used herein, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. In addition, it will be understood that terms defined in commonly used dictionaries should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
First embodiment
FIG. 1a is a schematic view of an aerosol bomb according to a first embodiment of the present utility model; FIGS. 1b to 1h are various cross-sectional schematic views of a capillary channel relay liquid transfer member according to a first embodiment; FIG. 1i is a schematic longitudinal cross-sectional view of a capillary channel relay liquid guiding member according to a first embodiment; fig. 1j is a schematic longitudinal cross-sectional view of another capillary channel relay liquid guiding member according to the first embodiment.
As shown in fig. 1a to 1h, according to the aerosol cartridge 800 having the capillary channel relay liquid guiding element 939 of the first embodiment of the present utility model, the aerosol cartridge 800 includes the liquid storage element 100, the atomizing chamber cavity 9342, the atomizing core 930, and the capillary channel relay liquid guiding element 939, the atomizing core 930 includes the atomizing core liquid guiding element 932, the atomizing core liquid guiding element 932 communicates with the liquid storage element 100 only through the capillary channel relay liquid guiding element 939, the capillary channel relay liquid guiding element 939 includes the relay liquid guiding element core 9391 and at least 2 capillary channels 9392 penetrating the relay liquid guiding element core 9391 in the axial direction, the capillary channels 9392 use the capillary force thereof to transfer the liquid from the liquid storage element 100 to the atomizing core liquid guiding element 932, and the capillary channel relay liquid guiding element 939 has both the liquid guiding function and the air guiding function.
The aerosol cartridge 800 further comprises an aerosol cartridge housing 810 and a housing base 112 disposed at the bottom of the aerosol cartridge housing 810.
< liquid storage element >
In the aerosol cartridge 800 of the present utility model, the liquid storage element 100 is a member for storing an atomized liquid. Different liquids may be stored therein, such as e-cigarette tar, CBD solutions, pharmaceutical solutions, etc., depending on the purpose of the application. The cross-section of the liquid storage element 100 may be of various shapes, such as circular, rectangular, etc., or may be a combination of various geometric shapes.
The reservoir 100 may have a reservoir through-hole 130 extending axially through the reservoir 100. The liquid storage element through-hole 130 may serve as the aerosol passage 1303 of the aerosol cartridge 800. One end of the aerosol passage 1303 is communicated with an atomization chamber 934, and the other end is an aerosol outlet 1301. A condensate absorbing element (not shown) may be mounted in the aerosol passage 1303 to absorb condensate, enhancing the consumer experience.
< atomizing area >
The atomizing portion of the present disclosure includes an atomizing chamber cavity 9342, an atomizing chamber 934, and an atomizing core 930. The atomizing chamber 934 is a cavity in which the liquid is atomized, and is surrounded by an atomizing chamber cavity 9342 and the housing base 112, and in this embodiment, the atomizing chamber 934 is disposed in the lower portion of the liquid storage element 100. An atomizing core 930 is provided in the atomizing chamber 934, a housing base through hole 1122 penetrating the housing base 112 is provided in the housing base 112, one end of the housing base through hole 1122 communicating with the outside is used as an air inlet 1121, and outside air enters the atomizing chamber 934 through the air inlet 1121. The liquid is atomized by the atomizing core 930 in the atomizing chamber 934 and escapes the aerosol bomb 800 through the aerosol passage 1303.
The atomizing core 930 of the present utility model generally refers to a component capable of atomizing a liquid according to the use requirement, such as a glass fiber bundle wound with heating wires, a cotton fiber bundle wound with heating wires, porous ceramics embedded with heating wires, ceramics printed with thick film resistors, an ultrasonic atomizing head, etc. The atomizing core 930 includes an atomizing core liquid guiding element 932 and a heating element 931 for heating the atomizing core liquid guiding element 932, and the atomizing core liquid guiding element 932 is a capillary material such as a glass fiber bundle, a cotton fiber bundle, a PET polyester fiber bundle, or a porous ceramic. The heating element 931 may be a heating wire, PCT thermistor, thick film resistor, or the like. The atomizing core 930 further includes a wire 933, the wire 933 being connected to a wire pin 936 or a power source (not shown).
< capillary channel Relay liquid guiding element >
In this embodiment, as shown in fig. 1a, a capillary channel relay liquid guiding member 939 is provided in the atomizing chamber 934, and the liquid storage member 100 and the atomizing core 930 are communicated by the capillary channel relay liquid guiding member 939. As shown in fig. 1 b-1 h, capillary channel relay liquid guide element 939 includes at least 2 axially extending capillary channels 9392, the capillary channels 9392 utilizing their capillary forces to transport liquid from liquid storage element 100 to atomizing wick liquid guide element 932.
In the present utility model, the wall surface of the capillary passage 9392 is wettable by the liquid in the liquid storage element 100, that is, the capillary passage 9392 has an inner peripheral wall that is wettable by the liquid, and a person skilled in the art may apply or add a hydrophilic material to the inner peripheral wall of the capillary passage 9392 through selection of a material or the inner peripheral wall of the capillary passage 9392 so that the inner peripheral wall of the capillary passage 9392 is wettable by the liquid.
Liquid can flow in the capillary passage 9392 under the surface tension of the liquid and the capillary force of the atomizing wick liquid guide element 932. The capillary passages 9392 in the capillary passage relay liquid guiding element 939 are arranged in a linear or nearly linear manner along the axial direction, that is, the capillary passages 9392 in the capillary passage relay liquid guiding element 939 are parallel or substantially parallel to the axial direction of the capillary passage relay liquid guiding element 939, so that liquid can flow in the axial direction in the capillary passage 9392, which is beneficial to reducing liquid guiding resistance and reducing the risk of liquid shortage of the atomizing core 930.
Capillary channel relay liquid guide element 939 may include radially closed capillary channel 9392 or peripherally closed capillary channel 9392, as shown in fig. 1b, 1c, and 1 d. Capillary channel relay liquid guide element 939 may also include radially open capillary channels 9392 or peripherally open capillary channels 9392, as shown in fig. 1e, 1f, and 1 g. Capillary channel relay liquid guide element 939 may also include both radially closed capillary channels 9392 and radially open capillary channels 9392, as shown in fig. 1 h. A relay liquid guide element outer tube 9393 may be provided outside the radially open capillary channel relay liquid guide element 939, with the length of the relay liquid guide element outer tube 9393 being equal to the capillary channel relay liquid guide element 939, such that the radially open capillary channel relay liquid guide element 939 becomes a radially closed capillary channel relay liquid guide element 939, as shown in fig. 1 i. The length of the relay liquid guide element outer tube 9393 may also be made smaller than the capillary channel relay liquid guide element 939 so that a portion of the radially open capillary channel 9392 becomes radially closed, as shown in fig. 1 j. The capillary channel relay liquid guide 939 may be formed from plastic or metal by injection molding or extrusion. Other portions of capillary passage relay liquid guiding element 939 have no liquid guiding function other than capillary passage 9392 can conduct liquid.
The capillary channel relay liquid guide element 939 can directly communicate the liquid storage element 100 with the atomizing core liquid guide element 932, and the connection manner is simple. The relay buffer liquid storage portion 938 may be disposed in the atomizing chamber 934, and the capillary channel relay liquid guide element 939 is connected to the atomizing core liquid guide element 932 through the relay buffer liquid storage portion 938, so that the relay buffer liquid storage portion 938 in this connection manner has a temporary liquid storage function, and the risk of liquid shortage of the atomizing core 930 can be reduced under the condition of mass atomization in a short time. When an abnormal condition is encountered, such as an external negative pressure, the relay buffer reservoir 938 may absorb a small amount of liquid leaking from the reservoir member 100, thereby avoiding liquid leaking from the aerosol bomb 800.
The size of capillary passage 9392 in capillary passage relay liquid guide element 939 is expressed by the largest inscribed circle diameter of the smallest cross-section in capillary passage 9392, and the size of different capillary passages 9392 in one capillary passage relay liquid guide element 939 can be the same or different. The smallest cross-section of the capillary passage 9392 has a maximum inscribed circle diameter of 0.1mm to 0.8mm, such as 0.1mm, 0.15mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.8mm, preferably 0.15mm to 0.6mm, and herein "mm" refers to millimeters. The capillary passage 9392 with smaller inscribed circle diameter has stronger liquid sealing capability and is suitable for the application with lower viscosity and smaller liquid outlet amount. The capillary passage 9392 with larger inscribed circle diameter has weaker liquid sealing capability and is suitable for application with higher viscosity or larger liquid outlet amount. In the equilibrium state, the capillary passage 9392 is liquid-sealed by capillary force.
When the atomizing core 930 works, the liquid on the atomizing core 930 is atomized, the aerosol escapes from the aerosol bullet 800 through the aerosol channel 1303, meanwhile, the liquid in the liquid storage element 100 is guided out through the capillary channel 9392 of the capillary channel relay liquid guide element 939 and is supplemented to the atomizing core 930 or the periphery of the liquid storage element, when the negative pressure in the liquid storage element 100 rises to a certain extent along with the guiding out of the liquid, the liquid seal of one capillary channel 9392 of the capillary channel relay liquid guide element 939 is opened, the air in the atomizing chamber 934 enters the liquid storage element 100 through the capillary channel 9392 opened by the liquid seal, the negative pressure in the liquid storage element 100 is reduced, the capillary channel 9392 opened by the liquid seal is sealed again, and the process is repeatedly performed until the liquid in the liquid storage element 100 is used up.
Second embodiment
FIG. 2a is a schematic structural view of an aerosol bomb according to a second embodiment of the present utility model; FIG. 2b is a schematic longitudinal cross-sectional view of a capillary channel relay liquid guiding member 939 in accordance with a second embodiment of the utility model; FIG. 2c is a schematic cross-sectional view of a capillary channel relay liquid transfer member at A-A according to a second embodiment; FIG. 2d is a schematic cross-sectional view of a capillary channel relay liquid transfer member at B-B according to a second embodiment. The present embodiment is similar to the first embodiment in structure, and the same parts as those of the first embodiment are not described in detail in the description of the present embodiment.
As shown in fig. 2a, according to the aerosol container 800 having the capillary channel relay liquid guiding element 939 of the second embodiment of the present utility model, the aerosol container 800 includes the liquid storage element 100, the atomizing chamber cavity 9342, the atomizing core 930, and the capillary channel relay liquid guiding element 939, the atomizing core 930 includes the atomizing core liquid guiding element 932, the atomizing core liquid guiding element 932 communicates with the liquid storage element 100 only through the capillary channel relay liquid guiding element 939, the capillary channel relay liquid guiding element 939 includes the relay liquid guiding element core 9391 and at least 2 capillary channels 9392 penetrating the relay liquid guiding element core 9391 in the axial direction, the capillary channel 9392 uses the capillary force thereof to transfer the liquid from the liquid storage element 100 to the atomizing core liquid guiding element 932, and the capillary channel relay liquid guiding element 939 has both the liquid guiding function and the air guiding function.
The atomizing area in this embodiment includes an atomizing chamber cavity 9342, an atomizing chamber 934, and an atomizing core 930. The atomizing chamber 934 is a cavity in which the liquid is atomized, and is surrounded by an atomizing chamber cavity 9342 and the housing base 112, and in this embodiment, the atomizing chamber 934 is disposed in the lower portion of the liquid storage element 100. An atomizing core 930 is provided in the atomizing chamber 934, a through-housing-base through-hole 1122 is provided in the housing base 112, and an end of the through-housing-base through-hole 1122 communicating with the outside is used as an air inlet 1121, and outside air enters the atomizing chamber 934 through the air inlet 1121. The liquid is atomized by the atomizing core 930 in the atomizing chamber 934 and escapes the aerosol bomb 800 through the aerosol passage 1303.
In this embodiment, as shown in fig. 2a, a capillary channel relay liquid guiding member 939 is disposed in the atomizing chamber 934, and the liquid storage member 100 and the atomizing core 930 are directly communicated by the capillary channel relay liquid guiding member 939. Specifically, in this embodiment, 2 capillary passage relay liquid guiding elements 939 are provided, which are respectively in direct communication with both ends of the atomizing core liquid guiding element 932. The capillary channel relay liquid guide element 939 includes at least 2 capillary channels 9392 extending axially therethrough, the capillary channels 9392 utilizing their capillary forces to transport liquid from the liquid storage element 100 to the aerosolized wick liquid guide element 932. The capillary channel relay liquid guide 939 of the present embodiment may be molded by injection molding or extrusion molding using plastic such as polyamide, polypropylene, or polycarbonate. The maximum inscribed circle diameter of the smallest cross section in the capillary passage 9392 is 0.1mm to 0.8mm, preferably 0.15mm to 0.6mm.
As shown in fig. 2b, 2c and 2d, in this embodiment, a capillary channel 9392 that is radially opened is used, and a relay liquid guiding element outer tube 9393 is provided on the capillary channel relay liquid guiding element 939, and the length of the relay liquid guiding element outer tube 9393 is slightly smaller than the length of the capillary channel relay liquid guiding element 939. The relay liquid guide element outer tube 9393 facilitates installation and positioning of the capillary channel relay liquid guide element 939, and surface tension of the inner wall of the relay liquid guide element outer tube 9393 facilitates liquid sealing and liquid delivery of the capillary channel 9392. In this embodiment, the walls of the capillary passage 9392 are wetted by the liquid in the liquid storage element 100, and the liquid is able to move in the capillary passage 9392 under the surface tension of the liquid and the capillary force of the atomizing wick liquid guide element 932. The capillary passages 9392 in the capillary passage relay liquid guiding element 939 are arranged in a linear or nearly linear manner along the axial direction, and this structure is beneficial to reducing liquid guiding resistance and reducing the risk of liquid shortage of the atomizing core 930.
The working principle of this embodiment is the same as that of embodiment 1.
Third embodiment
FIG. 3a is a schematic view of an aerosol bomb according to a third embodiment of the present utility model; FIG. 3b is a schematic longitudinal cross-sectional view of a capillary channel relay liquid transfer member according to a third embodiment; fig. 3C is an enlarged schematic view at C in fig. 3 b. The present embodiment is similar to the first embodiment in structure, and the same parts as those of the first embodiment are not described in detail in the description of the present embodiment.
As shown in fig. 3a, according to the aerosol cartridge 800 having the capillary passage relay liquid guiding element 939 of the third embodiment of the present utility model, the aerosol cartridge 800 includes the liquid storage element 100, the atomizing chamber cavity 9342, the atomizing core 930, and the capillary passage relay liquid guiding element 939, the atomizing core 930 includes the atomizing core liquid guiding element 932, the atomizing core liquid guiding element 932 communicates with the liquid storage element 100 only through the capillary passage relay liquid guiding element 939, the capillary passage relay liquid guiding element 939 includes the relay liquid guiding element core 9391 and at least 2 capillary passages 9392 penetrating the relay liquid guiding element core 9391 in the axial direction, the capillary passage 9392 uses the capillary force thereof to transfer the liquid from the liquid storage element 100 to the atomizing core liquid guiding element 932, and the capillary passage relay liquid guiding element 939 has both the liquid guiding function and the air guiding function.
The atomizing area in this embodiment includes an atomizing chamber cavity 9342, an atomizing chamber 934, and an atomizing core 930. The atomizing chamber 934 is a cavity in which the liquid is atomized, and is surrounded by an atomizing chamber cavity 9342 and the housing base 112, and in this embodiment, the atomizing chamber 934 is disposed in the lower portion of the liquid storage element 100. An atomizing core 930 is provided in the atomizing chamber 934, a through-housing-base through-hole 1122 is provided in the housing base 112, and an end of the through-housing-base through-hole 1122 communicating with the outside is used as an air inlet 1121, and outside air enters the atomizing chamber 934 through the air inlet 1121. The liquid is atomized by the atomizing core 930 in the atomizing chamber 934 and escapes the aerosol bomb 800 through the aerosol passage 1303.
In this embodiment, as shown in fig. 3a, a capillary channel relay liquid guiding element 939 is disposed in an atomization chamber 934, and a relay buffer liquid storage portion 938 is disposed in the atomization chamber 934, wherein the relay buffer liquid storage portion 938 is made of a bonding fiber, and the capillary channel relay liquid guiding element 939 communicates with an atomization core liquid guiding element 932 through the relay buffer liquid storage portion 938. The relay buffer reservoir 938 has a temporary liquid storage function, and can reduce the risk of liquid shortage of the atomizing core 930 when a large amount of atomization occurs in a short time; when an abnormal condition is encountered, such as an external negative pressure, the relay buffer reservoir 938 may absorb a small amount of liquid leaking from the reservoir member 100, thereby avoiding liquid leaking from the aerosol bomb 800. The capillary channel relay liquid guiding member 939 of the present embodiment is injection molded from plastic. The maximum inscribed circle diameter of the smallest cross section in the capillary passage 9392 is 0.1mm to 0.8mm, preferably 0.15mm to 0.6mm.
As shown in fig. 3b and 3c, the embodiment includes an open-ended capillary channel 9392, i.e. one or more capillary channels 9392 of the capillary channel relay liquid guiding element 939 are shorter in one end and cannot contact the atomizing core liquid guiding element 932, so that the embodiment can always communicate with the external atmosphere.
Fourth embodiment
FIG. 4a is a schematic structural view of an aerosol bomb according to a fourth embodiment of the present utility model; FIG. 4b is a schematic cross-sectional view of a capillary channel relay liquid transfer member according to a fourth embodiment; fig. 4c is a schematic view of another construction of an aerosol bomb according to a fourth embodiment of the present utility model. The present embodiment is similar to the first embodiment in structure, and the same parts as those of the first embodiment are not described in detail in the description of the present embodiment.
As shown in fig. 4a, according to the aerosol with a capillary channel relay liquid guide element of the fourth embodiment of the present utility model, the aerosol 800 comprises a liquid storage element 100, an atomizing chamber cavity 9342, an atomizing core 930 and a capillary channel relay liquid guide element 939, the atomizing core 930 comprises an atomizing core liquid guide element 932, the atomizing core liquid guide element 932 is in contact with the liquid in the liquid storage element 100 only through the capillary channel relay liquid guide element 939, the capillary channel relay liquid guide element 939 comprises a relay liquid guide element core 9391 and at least 2 capillary channels 9392 axially penetrating the relay liquid guide element core 9391, the capillary channels 9392 use the capillary force thereof to transfer the liquid from the liquid storage element 100 to the atomizing core liquid guide element 932, and the capillary channel relay liquid guide element 939 has both a liquid guide function and an air guide function.
In this embodiment, the atomizing core 930 includes a heating element 931 and an atomizing core liquid guiding element 932, the heating element 931 is a spiral heating wire, and the atomizing core liquid guiding element 932 is a fiber bundle wound around the surface of the heating wire.
In this embodiment, as shown in fig. 4a, a capillary channel relay liquid guiding member 939 is provided in the atomizing chamber 934, and the liquid storage member 100 and the atomizing core 930 are communicated by the capillary channel relay liquid guiding member 939. Specifically, in this embodiment, the two ends of the capillary channel relay liquid guiding element 939 block the through holes on two sides of the atomizing chamber cavity 342, the capillary channel relay liquid guiding element 939 includes a plurality of radially opened capillary channels 9392, the spiral atomizing core 930 is sleeved on the capillary channel relay liquid guiding element 939, and the atomizing core liquid guiding element 932, i.e. the fiber wound on the heating wire, is in direct contact with the outer wall of the capillary channel relay liquid guiding element 939. The capillary channel relay liquid guide element 939 includes at least 2 capillary channels 9392 extending axially therethrough, the capillary channels 9392 utilizing their capillary forces to transport liquid from the liquid storage element 100 to the aerosolized wick liquid guide element 932. The maximum inscribed circle diameter of the smallest cross section in the capillary passage 9392 is 0.1mm to 0.8mm, preferably 0.15mm to 0.6mm.
As shown in fig. 4b, a radially open capillary passage 9392 is used in this embodiment, and in any cross section of capillary passage 9392, the maximum inscribed circle diameter at the top of capillary passage 9392 is smaller than the maximum inscribed circle diameter of capillary passage 9392. Specifically, a plurality of radially open grooves are formed on the outer peripheral portion of the relay liquid guiding element core 9391 of the capillary channel relay liquid guiding element 939, and the end portions of the partition walls of the adjacent grooves are formed with end portions having a gradually increasing thickness and then a gradually decreasing thickness, or with end portions having a gradually increasing thickness, so that the maximum inscribed circle diameter at the radial end portions of the capillary channels 9392 is gradually decreased and then gradually increased, or the maximum inscribed circle diameter at the radial end portions of the capillary channels 9392 is gradually decreased, in any cross section of the capillary channels 9392. This configuration may use the surface tension of capillary passage 9392 to conduct the liquid in capillary passage 9392 to nebulizing wick liquid guide element 932. In this embodiment, the surface of the capillary channel relay liquid guiding element 939 may be covered with a nonwoven fabric as the atomizing core liquid guiding element 932, and a spiral heating wire may be sleeved on the nonwoven fabric as the heating body 931, as shown in fig. 4 c. The working principle of this embodiment is the same as that of embodiment 1.
Fifth embodiment
FIG. 5a is a schematic view of an aerosol bomb according to a fifth embodiment of the present utility model; FIG. 5b is a schematic cross-sectional view of a capillary channel relay liquid transfer member according to a fifth embodiment of the present utility model; FIG. 5c is a schematic longitudinal cross-sectional view of a capillary channel relay liquid guiding member according to FIG. 5 b; FIG. 5d is another schematic cross-sectional view of a capillary channel relay liquid transfer member according to a fifth embodiment of the utility model; FIG. 5e is a schematic longitudinal cross-sectional view of the capillary channel relay liquid guiding member according to FIG. 5 d. The present embodiment is similar to the first embodiment in structure, and the same parts as those of the first embodiment are not described in detail in the description of the present embodiment.
As shown in fig. 5a, according to the aerosol cartridge 800 having the capillary passage relay liquid guiding element 939 of the fifth embodiment of the present utility model, the aerosol cartridge 800 includes the liquid storage element 100, the atomizing chamber cavity 9342, the atomizing core 930, and the capillary passage relay liquid guiding element 939, the atomizing core 930 includes the atomizing core liquid guiding element 932, the atomizing core liquid guiding element 932 communicates with the liquid storage element 100 only through the capillary passage relay liquid guiding element 939, the capillary passage relay liquid guiding element 939 includes the relay liquid guiding element core 9391 and at least 2 capillary passages 9392 penetrating the relay liquid guiding element core 9391 in the axial direction, the capillary passage 9392 uses the capillary force thereof to transfer the liquid from the liquid storage element 100 to the atomizing core liquid guiding element 932, and the capillary passage relay liquid guiding element 939 has both the liquid guiding function and the air guiding function.
The atomizing area in this embodiment includes an atomizing chamber cavity 9342, an atomizing chamber 934, and an atomizing core 930. The atomizing chamber 934 is a cavity in which the liquid is atomized, and is surrounded by an atomizing chamber cavity 9342 and the housing base 112, and in this embodiment, the atomizing chamber 934 is disposed in the lower portion of the liquid storage element 100. An atomizing core 930 is provided in the atomizing chamber 934, a through-housing-base through-hole 1122 is provided in the housing base 112, and an end of the through-housing-base through-hole 1122 communicating with the outside is used as an air inlet 1121, and outside air enters the atomizing chamber 934 through the air inlet 1121. The liquid is atomized by the atomizing core 930 in the atomizing chamber 934 and escapes the aerosol bomb 800 through the aerosol passage 1303.
As shown in fig. 5b to 5e, the capillary channel relay liquid guiding member 939 in the present embodiment is provided with only a capillary channel 9392 that is radially closed, i.e., the capillary channel 9392 communicates with the outside except at both ends, and the radial direction of any portion of the capillary channel 9392 does not communicate with the outside. In this embodiment, the atomizing core liquid guiding element 932 is a cotton fiber bundle. As shown in fig. 5a, a capillary channel relay liquid guide element 939 is disposed in the nebulizing chamber 934, and the liquid storage element 100 and the nebulizing core 930 are directly communicated by the capillary channel relay liquid guide element 939. Specifically, in this embodiment, two capillary channel relay liquid guiding elements 939 are provided, which are respectively and directly connected to the positions of the atomizing core liquid guiding element 932 near the two ends, and the capillary channel 9392 is connected to the end openings of the atomizing core liquid guiding element and is blocked by the atomizing core liquid guiding element 932, so that the external air cannot directly enter the capillary channel 9392. The end surfaces of the capillary passage relay liquid guide element 939 can be made to compress the two ends of the atomizing core liquid guide element 932 to ensure the sealing of the end openings of the capillary passage 9392 by the atomizing core liquid guide element 932. The capillary channel relay liquid guide element 939 includes at least 2 capillary channels 9392 extending axially therethrough, the capillary channels 9392 utilizing their capillary forces to transport liquid from the liquid storage element 100 to the aerosolized wick liquid guide element 932. The capillary channel relay liquid guiding element 939 of the present embodiment may be injection molded or extrusion molded from plastic such as poly (1, 4-cyclohexanedimethanol terephthalate) (abbreviated as PCTG), poly (1, 4-cyclohexanedimethanol terephthalate) (abbreviated as PETG), or polycarbonate.
In this embodiment, the walls of the capillary passage 9392 are wetted by the liquid in the liquid storage element 100, and the liquid is able to move in the capillary passage 9392 under the surface tension of the liquid and the capillary force of the atomizing wick liquid guide element 932. The capillary passages 9392 in the capillary passage relay liquid guiding element 939 are arranged in a linear or nearly linear manner along the axial direction, and this structure is beneficial to reducing liquid guiding resistance and reducing the risk of liquid shortage of the atomizing core 930.
After the aerosol bomb 800 is assembled, the liquid in the liquid storage element 100 is conducted to the atomized core liquid guide element 932 through the capillary channel relay liquid guide element 939 due to the capillary action of the capillary channel 9392 and the atomized core liquid guide element 932, and a negative pressure difference is formed between the inside of the liquid storage element 100 and the outside along with the liquid in the liquid storage element 100. When the negative pressure difference between the inside of the liquid storage element 100 and the outside is sufficiently high, the outside air can enter the liquid storage element 100 through the capillary channel 9392 of the capillary channel relay liquid guiding element 939, but the end opening of the capillary channel 9392 of the capillary channel relay liquid guiding element 939 communicated with the atomized core liquid guiding element 932 is blocked, so that the outside air cannot directly enter the capillary channel 9392, and the outside air must pass through the atomized core liquid guiding element 932 to enter the capillary channel 9392 of the capillary channel relay liquid guiding element 939, and finally enter the liquid storage element 100. The capillary force of the atomizing wick liquid guide element 932 decreases as the liquid content therein increases until an equilibrium state is reached with the negative pressure difference between the liquid storage element 100 and the outside. In the equilibrium state, the atomizing core liquid guiding element 932 is in an unsaturated state, so that the liquid absorbing capability is further improved, and the risk of oil explosion caused by too high liquid content in the atomizing core liquid guiding element 932 during atomization is reduced.
When the liquid in the atomizing wick liquid guide element 932 is consumed by atomization, the capillary force of the atomizing wick liquid guide element 932 increases, and the atomizing wick liquid guide element 932 performs gas-liquid exchange with the liquid storage element 100 through the capillary channel relay liquid guide element 939 until the equilibrium state is reached again.
When the ambient temperature increases or the external air pressure decreases, the air in the liquid storage element 100 expands, the liquid in the liquid storage element 100 is led out, and the atomized core liquid guiding element 932 in an unsaturated state can absorb the liquid from the liquid storage element 100 through the capillary channel relay liquid guiding element 939, so that the risk of leakage of the aerosol bomb 800 due to the increase of the ambient temperature or the decrease of the external pressure is reduced. If the ambient temperature or the external air pressure is restored to the original state, since the atomizing core liquid guiding element 932 blocks the end opening of the capillary passage 9392 of the capillary passage relay liquid guiding element 939 in communication therewith, so that the external air cannot directly enter the capillary passage 9392, part of the liquid in the atomizing core liquid guiding element 932 enters the liquid storage element 100 through the capillary passage relay liquid guiding element 939 in preference to the external air. This facilitates the movement of liquid between the liquid storage element 100 and the atomizing wick liquid guide element 932 as ambient temperature or pressure changes, thereby reducing the risk of leakage of liquid from the aerosol cartridge 800 during daily use.
In this embodiment, the capillary passages 9392 in the capillary passage relay liquid guiding member 939 may be partitioned from each other, as shown in fig. 5b and 5 c; the capillary channels 9392 in the capillary channel relay liquid guide member 939 may also be in communication with each other, as shown in fig. 5d and 5 e; in the present utility model, two capillary passages 9392 are considered to be different capillary passages 9392 if they have a function of conducting air or liquid, respectively, although they communicate with each other.
In summary, the aerosol bomb of the present utility model includes capillary channel relay liquid guiding elements, and the capillary channels are arranged in linear or near linear form along the axial direction, so that the capillary force from the atomizing core liquid guiding elements communicated with the capillary channels is added, the liquid conveying resistance is small, the speed is high, and the atomizing process can be performed smoothly. When the liquid content in the atomization core liquid guide element is increased, the capillary force is reduced, and the negative pressure balance between the liquid guide element and the liquid storage element conducted through the capillary channel is achieved, so that the liquid content in the atomization core liquid guide element is moderate, atomization is stable, and the risk of leakage of frying oil and liquid is reduced. The aerosol bullet has compact structure and can be widely applied to various electronic cigarettes and medicine atomizing devices.
Furthermore, the foregoing embodiments of the utility model are illustrative only of the principles and functions of the present utility model, and are not in limitation thereof. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations be included in the scope of the following claims be embraced by the claims, which are intended to be included within the scope of the present utility model.

Claims (9)

1. The aerosol bomb is characterized by comprising a liquid storage element, an atomizing chamber cavity, an atomizing core and a capillary channel relay liquid guide element, wherein the atomizing core comprises the atomizing core liquid guide element, the atomizing core liquid guide element is communicated with the liquid storage element only through the capillary channel relay liquid guide element, the capillary channel relay liquid guide element comprises a relay liquid guide element core body and at least two capillary channels which axially penetrate through the relay liquid guide element core body, the capillary channels utilize capillary force of the capillary channels to convey liquid from the liquid storage element to the atomizing core liquid guide element, and the capillary channel relay liquid guide element has a liquid guide function and an air guide function;
the capillary channel relay liquid guide element is provided with only radially closed capillary channels.
2. The aerosol cartridge of claim 1, wherein the capillary channel has an inner peripheral wall that is wettable by the liquid in the liquid storage element.
3. The aerosol cartridge of claim 1, wherein the capillary channels are axially linear or nearly linear.
4. The aerosol cartridge of claim 1, wherein the capillary channel has a minimum cross-section with a maximum inscribed circle diameter of 0.1mm to 0.8mm.
5. The aerosol cartridge of claim 1, wherein the capillary channel relay liquid guide member comprises an open-ended capillary channel.
6. The aerosol bullet of claim 1, wherein the relay liquid guide element core is made of plastic or metal.
7. The aerosol cartridge of claim 1, wherein the capillary channel relay liquid guide element is in direct communication with the liquid storage element and the atomizing wick liquid guide element.
8. The aerosol cartridge of claim 1, further comprising a relay buffer reservoir through which the capillary channel relay liquid guide element communicates with the atomizing core liquid guide element.
9. The aerosol cartridge of claim 1, wherein in any cross-section of the capillary channel, the maximum inscribed circle diameter of the capillary channel top is less than the maximum inscribed circle diameter of the capillary channel.
CN202122835779.7U 2021-04-19 2021-11-18 Aerosol bullet Active CN220274913U (en)

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US9095175B2 (en) * 2010-05-15 2015-08-04 R. J. Reynolds Tobacco Company Data logging personal vaporizing inhaler
CN212065686U (en) * 2019-01-21 2020-12-04 浙江迈博高分子材料有限公司 Aerosol cartridge with cooling element
CN111759010A (en) * 2020-01-17 2020-10-13 浙江迈博高分子材料有限公司 Aerosol bomb with gas-liquid channel
CN211631799U (en) * 2020-01-17 2020-10-09 浙江迈博高分子材料有限公司 Aerosol bomb with gas-liquid channel
CN212309901U (en) * 2020-07-17 2021-01-08 迈博高分子材料(宁波)有限公司 Composite liquid storage element and aerosol emission device
CN212697666U (en) * 2020-08-12 2021-03-16 绍兴上虞季真贸易有限公司 Liquid storage element
CN212306807U (en) * 2020-09-15 2021-01-08 迈博高分子材料(宁波)有限公司 Atomizing element and aerosol bomb
CN212437285U (en) * 2020-09-23 2021-02-02 绍兴上虞季真贸易有限公司 Atomizing element and aerosol bomb

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