Atomizer and electronic atomization device

Abstract

An atomizer (100) and an electronic atomization device. The atomizer (100) comprises: a liquid storage cavity (112); a first liquid guide element (51) that is in fluid communication with the liquid storage cavity (112) to absorb a liquid substrate; a second liquid guide element (52) that indirectly absorbs from the first liquid guide element (51) the liquid substrate sourced from the liquid storage cavity (112); an atomization assembly that absorbs from the second liquid guide element (52) the liquid substrate sourced from the liquid storage cavity (112) and atomizes the liquid substrate to generate an aerosol; and a support (60) that at least partially surrounds and retains the second liquid guide element (52). When the second liquid guide element (52) is accommodated or retained in the support (60), a gap is formed between the second liquid guide element (52) and the inner side surface of the support (60), thereby defining or forming a spacing cavity (64) surrounding the second liquid guide element (52) between them; and the first liquid guide element (51) is located between the liquid storage cavity (112) and the spacing cavity (64), so as to isolate the liquid storage cavity (112) from the spacing cavity (64). According to the electronic atomization device, the liquid substrate supersaturatedly absorbed by the first liquid guide element (51) and / or the second liquid guide element (52) can seep into the spacing cavity (64) for temporary storage.

Description

Atomizer and electronic atomization device

[0001] Cross-reference to Related Applications

[0002] This application claims priority to the Chinese patent application No. 202410446632.4, filed on April 12, 2024, and entitled “Atomizer and electronic atomization device”, the content of which is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0003] Embodiments of the present application relate to the technical field of electronic atomization, and in particular to an atomizer and an electronic atomization device. BACKGROUND

[0004] Tobacco products, such as cigarettes, cigars, and the like, burn tobacco during use to produce tobacco smoke. Attempts have been made to provide alternatives to these burning tobacco products by creating products that release compounds without burning.

[0005] Examples of such products are heat-not-burn devices that release compounds by heating, rather than burning, a material. For example, the material can be tobacco or other non-tobacco products, which can or can not contain nicotine. As another example, there are aerosol provision devices, such as so-called electronic atomization devices. These electronic atomization devices generally contain a liquid that is heated by an atomization assembly to cause vaporization of the liquid, thereby producing an inhalable aerosol. Known electronic atomization devices, by a bracket surrounding and supporting the atomization assembly; when the pressure in the liquid storage cavity is greater than the external pressure, the liquid substrate adsorbed and held by the atomization assembly will seep outwards or to the airflow channel.

[0006] SUMMARY

[0007] One embodiment of the present application provides an atomizer, comprising:

[0008] a liquid storage cavity for storing a liquid substrate;

[0009] a first liquid guide element arranged perpendicularly to a longitudinal direction of the atomizer and in fluid communication with the liquid storage cavity to draw the liquid substrate;

[0010] a second liquid guide element indirectly drawing the liquid substrate from the liquid storage cavity from the first liquid guide element;

[0011] an atomization assembly configured to draw the liquid substrate from the liquid storage cavity from the second liquid guide element and to atomize the liquid substrate to generate an aerosol;

[0012] The bracket at least partially surrounds and holds the second liquid guide element; when the second liquid guide element is accommodated or held in the bracket, there is a spacing between the second liquid guide element and the inner side surface of the bracket, and in turn a spacing cavity surrounding the second liquid guide element is defined or formed therebetween; the first liquid guide element is located between the liquid storage cavity and the spacing cavity to isolate the liquid storage cavity from the spacing cavity.

[0013] In some embodiments, part of the boundary of the spacing cavity is defined by the first liquid guide element, and part of the boundary is defined by the second liquid guide element.

[0014] In some embodiments, the inner side surface of the bracket is provided with a plurality of holding ribs extending into the spacing cavity;

[0015] When the second liquid guide element is accommodated or held in the bracket, the holding ribs abut against the outer side surface of the second liquid guide element to hold the second liquid guide element.

[0016] In some embodiments, the plurality of holding ribs are arranged at intervals around the circumference of the second liquid guide element.

[0017] In some embodiments, the holding ribs include a first portion and a second portion arranged along the longitudinal direction of the bracket; the protrusion height of the first portion is smaller than the protrusion height of the second portion;

[0018] When the second liquid guide element is accommodated or held in the bracket, the second portion abuts against the outer side surface of the second liquid guide element, and the first portion is not in contact with the second liquid guide element.

[0019] In some embodiments, the inner side surface of the bracket surrounds and defines an accommodation cavity; the accommodation cavity includes a first section and a second section arranged in sequence along the longitudinal direction, and the cross-sectional area of the first section is greater than the cross-sectional area of the second section;

[0020] The first liquid guide element is received or accommodated in the first section;

[0021] The second liquid guide element is received or accommodated in the second section and is in contact with the first liquid guide element; the spacing cavity is formed or defined by part of the second section.

[0022] In some embodiments, the bracket is provided with a ventilation passage, the ventilation passage being in air communication between the liquid storage cavity and the spacing cavity for adjusting the pressure in the liquid storage cavity.

[0023] In some embodiments, the ventilation passage is defined or formed between the first liquid guide element and the bracket, and passes around or across the first liquid guide element along the longitudinal direction of the atomizer.

[0024] In some embodiments, the ventilation passage includes a ventilation groove formed in the inner side surface of the bracket.

[0025] In some embodiments, the support further has an air inlet channel arranged thereon, at least partially providing a path for delivering external air to the atomization assembly;

[0026] The spacing cavity is in airflow communication with the air inlet channel.

[0027] In some embodiments, the support has a plurality of partition flanges circumferentially surrounding the support, and a plurality of air grooves formed between adjacent two partition flanges; adjacent two air grooves are in airflow communication through an aperture or cutout on the partition flange therebetween;

[0028] The spacing cavity is in airflow communication with the air inlet channel through the at least one or more air grooves.

[0029] In some embodiments, the apertures or cutouts on adjacent partition flanges are staggered in the longitudinal direction of the support, to form a communication path between the spacing cavity and the air inlet channel that meanders through the plurality of air grooves.

[0030] In some embodiments, further comprising:

[0031] a housing;

[0032] a sealing element at least partially located between the support and the housing for providing a seal therebetween; the sealing element is arranged to cover the air grooves from the outer side of the support, such that adjacent air grooves can only be in airflow communication through the aperture or cutout on the partition flange therebetween.

[0033] In some embodiments, the air inlet channel is at least partially located between the sealing element and the support.

[0034] In some embodiments, further comprising a housing;

[0035] the support comprises:

[0036] a first support portion proximate to the liquid storage cavity, and a second support portion distal to the first support portion; the first support portion encircles and accommodates the first liquid guide element, and the second support portion is connected to the housing; the partition flange is located between the first support portion and the second support portion.

[0037] In some embodiments, the housing has a first positioning structure arranged thereon, and the second support portion has a second positioning structure arranged thereon for coupling with the first positioning structure; the first positioning structure and the second positioning structure are configured to prevent the support from rotating relative to the housing.

[0038] In some embodiments, the support further has a communication hole arranged thereon from the spacing cavity to the outer side surface; the spacing cavity is in airflow communication with the air inlet channel through the communication hole.

[0039] In some embodiments, further comprising:

[0040] a tubular element extending through the first liquid guide element and the second liquid guide element;

[0041] The atomization assembly comprises:

[0042] a third liquid guide element located within the tubular element and arranged to indirectly draw the liquid substrate from the storage cavity from the second liquid guide element;

[0043] a heating element coupled to the third liquid guide element for heating at least part of the liquid substrate held within the third liquid guide element to generate an aerosol.

[0044] Yet another embodiment of the present application further provides an atomizer comprising:

[0045] a storage cavity for storing a liquid substrate;

[0046] a first liquid guide element arranged perpendicularly to a longitudinal direction of the atomizer and defining part of a boundary of the storage cavity; the first liquid guide element is in fluid communication with the storage cavity to draw the liquid substrate from the storage cavity;

[0047] a second liquid guide element configured to indirectly draw the liquid substrate from the storage cavity from the first liquid guide element;

[0048] a heating element located within the second liquid guide element and for heating the liquid substrate to generate an aerosol;

[0049] a holder at least partially surrounding and holding the second liquid guide element; an inner surface of the holder is provided with a plurality of holding ribs arranged at intervals; the plurality of holding ribs surround and abut against the second liquid guide element, thereby holding the second liquid guide element within the holder.

[0050] Yet another embodiment of the present application further provides an electronic atomization device comprising the above atomizer and a power supply mechanism for supplying power to the atomizer.

[0051] In the above electronic atomization device, the liquid substrate over-saturatedly drawn by the first liquid guide element and / or the second liquid guide element can be temporarily stored in the interval cavity. BRIEF DESCRIPTION OF DRAWINGS

[0052] One or more embodiments are illustrated by way of example in the figures that are part of this disclosure and which are illustrative, but not restrictive, of the present embodiments, wherein elements having the same reference numerals designate corresponding elements and wherein the figures do not necessarily show all of the components of the present embodiments. Not all of the components of the embodiments can be required, and some implementations of the embodiments can include only a subset of the components.

[0053] FIG. 1 is a schematic view of an electronic atomization device according to an embodiment;

[0054] FIG. 2 is a schematic view of the atomizer of FIG. 1 from one perspective;

[0055] Fig. 3 is an exploded view of the nebulizer of Fig. 2 from one perspective;

[0056] Fig. 4 is an exploded view of the nebulizer of Fig. 2 from another perspective;

[0057] Fig. 5 is a cross-sectional view of the nebulizer of Fig. 2 from one perspective;

[0058] Fig. 6 is a cross-sectional view of the nebulizer of Fig. 2 from another perspective;

[0059] Fig. 7 is a structural view of the support of Fig. 3 from another perspective;

[0060] Fig. 8 is a structural view of the support of Fig. 7 from another perspective;

[0061] Fig. 9 is a cross-sectional view of the support of Fig. 7 from one perspective;

[0062] Fig. 10 is a cross-sectional view of the support of Fig. 3 from one perspective after assembly of some components;

[0063] Fig. 11 is a cross-sectional view of the support of Fig. 10 from another perspective after assembly of some components;

[0064] Fig. 12 is a cross-sectional view of the support of Fig. 10 from another perspective after assembly of some components. DETAILED DESCRIPTION

[0065] For the purpose of facilitating the understanding of the present application, the present application will be described in more detail below in conjunction with the accompanying drawings and specific embodiments.

[0066] One embodiment of the present application proposes an electronic nebulization device, which can be seen from Fig. 1, comprising a nebulizer 100 storing a liquid substrate and generating an aerosol by nebulizing the liquid substrate, and a power supply mechanism 200 supplying power to the nebulizer 100.

[0067] In an optional embodiment, such as shown in Fig. 1, the power supply mechanism 200 comprises a receiving cavity 270 arranged at one end in the length direction and configured to receive and accommodate at least a portion of the nebulizer 100, and an electrical contact 230 at least partially exposed in the receiving cavity 270, the electrical contact 230 being configured to form an electrical connection with the nebulizer 100 and supply power to the nebulizer 100 when at least a portion of the nebulizer 100 is received and accommodated in the receiving cavity 270 of the power supply mechanism 200.

[0068] According to the embodiment shown in Fig. 1, the nebulizer 100 is provided with an electrical contact 21 at the end opposite to the power supply mechanism 200 in the length direction, so that when at least a portion of the nebulizer 100 is received in the receiving cavity 270, the electrical contact 21 forms an electrical connection by contacting and abutting against the electrical contact 230.

[0069] According to the embodiment shown in FIG. 1, the atomizer 100 is further provided with a magnetic element 22; the power supply mechanism 200 is provided with a magnetic element 280; when the atomizer 100 is received in the receiving cavity 270, the magnetic element 280 and the magnetic element 22 are magnetically adsorbed, so that the atomizer 100 is stably retained in the receiving cavity 270.

[0070] The power supply mechanism 200 is provided with a sealing member 260, and at least part of the internal space of the power supply mechanism 200 is separated by the sealing member 260 to form the above-mentioned receiving cavity 270. In the embodiment shown in FIG. 1, the sealing member 260 is configured to extend in a direction perpendicular to the longitudinal direction of the power supply mechanism 200, and is preferably made of a flexible material such as silicone, thereby preventing the liquid substrate flowing from the atomizer 100 to the receiving cavity 270 from flowing to the controller 220, the sensor 250 and other components inside the power supply mechanism 200.

[0071] In the embodiment shown in FIG. 1, the power supply mechanism 200 further includes an electric core 210 arranged away from the receiving cavity 270 in the length direction for power supply; and a controller 220 arranged between the electric core 210 and the receiving cavity 270, which is operable to guide the current between the electric core 210 and the electric contact 230.

[0072] In use, the power supply mechanism 200 includes a sensor 250 for sensing the airflow change through the atomizer 100 when a user puffs the atomizer 100, and the controller 220 controls the electric core 210 to supply power to the atomizer 100 according to the detection signal of the sensor 250.

[0073] In the embodiment shown in FIG. 1, the power supply mechanism 200 is provided with a charging interface 240 at the other end away from the receiving cavity 270 for charging the electric core 210.

[0074] FIGS. 2 to 6 show schematic diagrams of the atomizer 100 of a specific embodiment; in this embodiment, the atomizer 100 includes:

[0075] The shell 10 defines the outer surface of the atomizer 100 and is made of a rigid material such as ceramic, polymer plastic, etc.; according to FIGS. 2 to 6, the shell 10 is generally cylindrical; the shell 10 has a proximal end 110 and a distal end 120 opposite in the longitudinal direction; wherein according to the general use requirements, the proximal end 110 is configured as the end for the user to inhale the aerosol, and an air outlet 113 for the user to inhale is arranged at the proximal end 110; while the distal end 120 is configured as the end for combining with the power supply mechanism 200, and the distal end 120 of the shell 10 is open, and the open structure is used to install various necessary functional components inside the shell 10.

[0076] Referring to FIGS. 2-6, the interior of the housing 10 is provided with a liquid storage cavity 112 for storing the liquid substrate, and an atomization assembly for drawing the liquid substrate from the liquid storage cavity 112 and heating and atomizing the liquid substrate. In the cross-sectional views shown in FIGS. 5 and 6, the housing 10 is provided with an aerosol output tube 111 arranged in the longitudinal direction, and the space between the outer surface of the aerosol output tube 111 and the inner surface of the housing 10 forms the liquid storage cavity 112 for storing the liquid substrate; the aerosol output tube 111 is in communication with the air outlet 113 at one end of the proximal end 110, so that the generated aerosol is transmitted to the air outlet 113 for the user to inhale. According to the embodiments shown in FIGS. 5 and 6, the aerosol output tube 111 and the housing 10 are integrally molded from a moldable material, and the liquid storage cavity 112 formed after molding is open on the side facing the distal end 120.

[0077] Referring to FIGS. 2-6, the atomizer 100 is further provided with:

[0078] The first liquid guide element 51 is arranged near the open side of the liquid storage cavity 112. The first liquid guide element 51 is in the shape of a sheet or a block arranged perpendicular to the longitudinal direction of the housing 10. In some specific embodiments, the diameter and / or length dimension of the first liquid guide element 51 is greater than the thickness dimension. In some specific embodiments, the first liquid guide element 51 has a thickness of about 1.5-4.0 mm. In some embodiments, the first liquid guide element 51 is made of a flexible capillary fiber material, such as natural cotton fiber, non-woven fabric fiber, etc. Specifically, the first liquid guide element 51 includes sheet-shaped liquid guide cotton. Alternatively, in some other embodiments, the first liquid guide element 51 includes artificial cotton, or hard artificial cotton or artificial foam made of filamentous polyurethane, etc. For example, the first liquid guide element 51 is made of 138# hard synthetic organic polymer fiber, with a density of 0.1-0.9 mg / mm 3 3 The overall weight of the first liquid guide element 51 when not soaked with the liquid substrate is about 0.04-0.06 g. The first liquid guide element 51 is made of oriented fibers arranged in the length direction, width direction, or radial direction. The arrangement of the oriented fibers in the length direction or width direction or radial direction of the first liquid guide element 51 makes the first liquid guide element 51 have strong bending resistance and thus be hard. Specifically, for example, the first liquid guide element 51 is hard artificial cotton including oriented polyester fibers, or hard artificial cotton or artificial foam made of filamentous polyurethane, etc.

[0079] ​According to FIGS. 2-6, the first liquid guiding element 51 is housed and mounted within the bracket 60, and a sealing element 80 is arranged between the bracket 60 and the housing 10; further, after assembly, the liquid matrix in the liquid storage cavity 112 can substantially only be taken away from the liquid storage cavity 112 by being taken in by the first liquid guiding element 51. According to FIGS. 2-6, the first liquid guiding element 51 is configured to be ring-shaped. Specifically, for example, the first liquid guiding element 51 is in the shape of a circular ring; the first liquid guiding element 51 has an outer diameter of about 10-15 mm; and, the first liquid guiding element 51 has an inner diameter of about 4-7 mm. The first liquid guiding element 51 is in fluid communication with the liquid storage cavity 112 adjacent to the upper surface of the liquid storage cavity 112, and thereby takes in the liquid matrix.

[0080] According to FIGS. 2-6, the atomizer 100 further comprises:

[0081] The second liquid guiding element 52 is substantially arranged to be columnar in shape. The second liquid guiding element 52 indirectly takes in the liquid matrix from the liquid storage cavity 112 from the first liquid guiding element 51. Specifically, the second liquid guiding element 52 abuts or is combined with the lower surface of the first liquid guiding element 51, and thereby is in fluid communication with the first liquid guiding element 51 to take in the liquid matrix. The second liquid guiding element 52 is flexible; the second liquid guiding element 52 is made of flexible fibers, such as non-woven fabric fibers, cotton fibers, etc.

[0082] In an embodiment, the first liquid guiding element 51 and the second liquid guiding element 52 are arranged in sequence along the longitudinal direction of the atomizer 100. The first liquid guiding element 51 and the second liquid guiding element 52 are coaxially arranged. The second liquid guiding element 52 contacts and abuts the lower surface of the first liquid guiding element 51.

[0083] In an embodiment, the second liquid guiding element 52 is hollow. The inner diameter of the second liquid guiding element 52 is equal to the inner diameter of the first liquid guiding element 51; for example, the second liquid guiding element 52 has an inner diameter of about 4-7 mm. The outer diameter of the second liquid guiding element 52 is smaller than the outer diameter of the first liquid guiding element 51; for example, the second liquid guiding element 52 has an outer diameter of about 6-9 mm. Further, after assembly, the longitudinal length of the second liquid guiding element 52 is about 6-10 mm.

[0084] According to FIGS. 2-6, the atomizer 100 further comprises:

[0085] The tubular element 14 is a separate component, preferably made of a thin rigid material; as suitable examples, the tubular element 14 is a ceramic tube or a stainless steel tube, etc. The tubular element 14 is arranged coaxially with the aerosol output tube 111 in the longitudinal direction of the atomizer 100; and the tubular element 14 is connected with the aerosol output tube 111. Specifically, the aerosol output tube 111 is at least partially inserted into the tubular element 14, and connected with a tight fit by interference or riveting. After assembly, there is no flexible sealing element between them to provide a seal.

[0086] According to FIGS. 2-6, the tubular element 14 sequentially penetrates the first liquid guide element 51 and the second liquid guide element 52 in the axial direction. After assembly, the first liquid guide element 51 and the second liquid guide element 52 are arranged around the tubular element 14.

[0087] According to FIGS. 2-6, the atomization assembly is contained and assembled in the tubular element 14; the atomization assembly includes: a third liquid guide element 30 and a heating element 40. Among them, the third liquid guide element 30 is used to suck the liquid matrix originating from the liquid storage cavity 112 from the second liquid guide element 52; the heating element 40 is used to heat at least part of the liquid matrix in the third liquid guide element 30 to generate an aerosol.

[0088] In embodiments, the third liquid guide element 30 is flexible, for example, made of flexible fibers such as cotton fibers, non-woven fabrics, or sponges, etc. The third liquid guide element 30 is configured to be tubular or cylindrical arranged in the longitudinal direction of the housing 10; the third liquid guide element 30 is coaxial with the tubular element 14 and located in the tubular element 14. Specifically, for example, the third liquid guide element 30 is a cylindrical wound by a sheet-like precursor including multiple layers of flexible fibers. Or in yet some variant embodiments, the third liquid guide element 30 is rigid; for example, the third liquid guide element 30 can include a rigid porous body element, etc., such as a porous ceramic or a porous glass, etc.

[0089] In embodiments, the tubular element 14 is provided with a plurality of first perforations 141 and / or second perforations 142 on the tube wall; the second perforations 142 extend to the end of the tubular element 14 towards the distal end 120. The third liquid guide element 30 is in fluid communication with the second liquid guide element 52 through the first perforations 141 and / or the second perforations 142 to receive the liquid matrix. And after assembly, the third liquid guide element 30 is at least partially inserted or exposed in the second perforations 142. Specifically, the wound third liquid guide element 30 has a protruding portion or exposed portion 31 inserted into the second perforations 142, and part of the protruding portion or exposed portion 31 abuts and contacts the inner side surface of the second liquid guide element 52 to receive or suck the liquid matrix from the second liquid guide element 52.

[0090] In the embodiment shown in Figs. 2 to 6, the first perforations 141 and / or the second perforations 142 on the tubular element 14 are substantially free of the first liquid guide element 51. The first perforations 141 and / or the second perforations 142 are surrounded and covered by the second liquid guide element 52.

[0091] In the embodiment, the outer side surface of the third liquid guide element 30 in the radial direction is configured as a liquid absorbing surface for absorbing the liquid substrate from the second liquid guide element 52; in particular, a portion of the outer side surface of the third liquid guide element 30 is aligned with the first perforations 141 and / or the second perforations 142, and in turn the third liquid guide element 30 receives and absorbs the liquid substrate passing through the second liquid guide element 52 through the first perforations 141 and / or the second perforations 142, as shown by the arrow R1 in Figs. 5 and 6. The inner side surface of the third liquid guide element 30 in the radial direction is configured as an atomizing surface, which is combined / attached / abutted with the heating element 40; in turn, the liquid substrate is delivered to the atomizing surface and is heated by the heating element 40 to generate aerosol by atomization and be released. In particular, as shown by the arrow R1 in Figs. 5 and 6, the liquid substrate in the liquid storage cavity 112 is absorbed by the upper surface of the first liquid guide element 51, and then is delivered to the second liquid guide element 52 through the lower surface of the first liquid guide element 51, and then is delivered to the third liquid guide element 30 through the inner side surface of the second liquid guide element 52.

[0092] According to Figs. 3 to 6, in this embodiment, the heating element 40 is arranged to extend along the longitudinal direction of the third liquid guide element 30, and the heating element 40 is coaxially arranged with the third liquid guide element 30. In some alternative embodiments, the heating element 40 is a heating net, a heating coil, etc. In this embodiment, the heating element 40 is a heating element wound by a sheet or net substrate; the wound heating element 40 is a tubular in the circumferential direction, but is a cylindrical with a side opening in the longitudinal direction. The two ends of the heating element 40 are welded or arranged with conductive pins 41 for guiding the electric current on the heating element 40.

[0093] In yet other variations, the heating element 40 can be incorporated on the third liquid guide element 30 by printing, deposition, sintering, or physical assembly. In some other variations, the third liquid guide element 30 can have a flat surface or a curved surface for supporting the heating element 40, and the heating element 40 is formed on the flat surface or the curved surface of the third liquid guide element 30 by means of mounting, printing, deposition, or the like. Or in yet other variations, the heating element 40 is an electrically conductive track formed on the surface of the third liquid guide element 30. In yet other variations, the electrically conductive track of the heating element 40 can be in the form of a printed circuit formed by printing. In yet other variations, the heating element 40 is a patterned electrically conductive track. In yet other variations, the heating element 40 is planar. In yet other variations, the heating element 40 is a meandering, serpentine, reciprocating, or zigzag extending electrically conductive track.

[0094] According to Figs. 3-12, the atomizer 100 further comprises:

[0095] A holder 60 is located within the housing 10 for providing support and fixation to the first liquid guide element 51, the second liquid guide element 52, the tubular element 14, and the atomizing assembly. The holder 60 is generally arranged in a longitudinal direction along the atomizer 100; the holder 60 has a first end 610 facing or proximate to the liquid storage cavity 112, and a second end 620 opposite to the first end 610; the holder 60 is substantially in a cylindrical shape extending from the first end 610 to the second end 620. The holder 60 is rigid, for example, the holder 60 is made of a hard polymer plastic.

[0096] According to Figs. 3-12, the atomizer 100 further comprises:

[0097] A sealing element 80 is arranged between the holder 60 and the housing 10; the sealing element 80 is flexible, for example, made of a flexible silicone, thermoplastic elastomer, or the like. The sealing element 80 is in a cylindrical shape; the sealing element 80 comprises a first sealing portion 81 and a second sealing portion 82. The first sealing portion 81 is annular, and abuts or fits against the first end 610 of the holder 60 after assembly; the second sealing portion 82 is in a cylindrical shape, and surrounds or encloses at least a portion of the holder 60 after assembly. After assembly, the second sealing portion 82 is located between the holder 60 and the housing 10 for providing a seal therebetween. A first protrusion 821 is arranged on an outer side surface of the second sealing portion 82 proximate to the first sealing portion 81, and the first protrusion 821 is circumferentially around the second sealing portion 82. A second protrusion 822 is arranged on the outer side surface of the second sealing portion 82 opposite to the first sealing portion 81, and the first protrusion 821 is circumferentially around the second sealing portion 82. After assembly, the first protrusion 821 and the second protrusion 822 are squeezed or compressed between the holder 60 and the housing 10, thereby providing a seal.

[0098] According to FIG. 3 to FIG. 12, the bracket 60 is defined with:

[0099] The accommodating cavity 69 is defined or formed by the inner side surface of the bracket 60; the accommodating cavity 69 is open or opened at the first end 610 of the bracket 60 for receiving the first liquid guide element 51, the second liquid guide element 52 and the tubular element 14 through the first end 610. Specifically, the accommodating cavity 69 comprises a first section 611, a second section 612 and a third section 613 arranged in sequence; the first section 611 is close to the first end 610 and defines the opening at the first end 610. The cross-sectional area of the first section 611 is greater than that of the second section 612, and the cross-sectional area of the second section 612 is greater than that of the third section 613.

[0100] After assembly, the first liquid guide element 51 is accommodated in the first section 611; the second liquid guide element 52 is accommodated in the second section 612; the tubular element 14 penetrates through the first section 611 and the second section 612 from the first end 610 to the third section 613 in sequence; and the third liquid guide element 30 extends from the second section 612 to the third section 613. The third liquid guide element 30 is at least partially located in the second liquid guide element 52. According to FIG. 5, FIG. 6 and FIG. 10, when the first liquid guide element 51 is accommodated in the first section 611, the upper surface of the first liquid guide element 51 is substantially flush with the first end 610 of the bracket 60. Alternatively, the upper surface of the first liquid guide element 51 is slightly lower than the first end 610 of the bracket 60, for example, 1mm-2mm lower than the first end 610 of the bracket 60.

[0101] According to FIG. 3 to FIG. 12, the third section 613 of the accommodating cavity 69 of the bracket 60 is further arranged with a positioning protrusion 614: the positioning protrusion 614 and the inner surface of the third section 613 define a plug-in groove; when the tubular element 14 is assembled to the accommodating cavity 69, it is positioned and inserted into the plug-in groove to provide positioning. The inner surface of the third section 613 is further defined with a positioning recess 615; the positioning protrusion 614 has an abutting step 616 extending to the positioning recess 615. In assembly, the second perforation 142 of the tubular element 14 is aligned with the abutting step 616 for assembly; and is longitudinally abutted on the abutting step 616 by the third liquid guide element 30. After assembly, the protruding portion or exposed portion 31 of the third liquid guide element 30 extends into the positioning recess 615 through the second perforation 142 of the tubular element 14.

[0102] According to FIG. 3 to FIG. 12, the bracket 60 comprises:

[0103] The first support portion 61 is proximate to or defines a first end 610 of the holder 60; a first section 611 of the receiving cavity 69 is defined by the first support portion 61; the first liquid guide element 51 is mounted within the first support portion 61.

[0104] According to Figs. 3 to 12, the holder 60 comprises:

[0105] The second support portion 63 is proximate to or defines a second end 620 of the holder 60. After assembly, at least a portion of the second support portion 63 is exposed outside the sealing element 80; in particular, the second sealing portion 82 of the sealing element 80 extends from the first end 610 of the holder 60 to the second support portion 63. After assembly, the second support portion 63 abuts and engages the inner surface of the housing 10. Also, the electrical contact 21 is at least partially assembled from the second end 620 of the holder 60 into the second support portion 63 of the holder 60, and within the second support portion 63. The conductive lead wires welded to the two ends of the heating element 40 pass from within the receiving cavity 69 into the second support portion 63, and abut the electrical contact 21, to establish an electrically conductive connection between the heating element 40 and the electrical contact 21.

[0106] After assembly, the first bead 821 on the second sealing portion 82 is compressed or squeezed between the first support portion 61 of the holder 60 and the housing 10, to provide sealing. The second bead 822 on the second sealing portion 82 is compressed or squeezed between the second support portion 63 of the holder 60 and the housing 10, to provide sealing.

[0107] The holder 60 defines an abutment portion 631 at the second end 620, which circumferentially surrounds the holder 60; the abutment portion 631 has an outer diameter that is larger than the outer diameter of the second support portion 63 of the holder 60, so that the abutment portion 631 is more radially outwardly protruding at the second end 620. After assembly, the abutment portion 631 is located outside the housing 10, and the distal end 120 of the housing 10 abuts the abutment portion 631.

[0108] According to Figs. 3 to 12, the housing 10 further comprises a first positioning structure 15; the first positioning structure 15 is located at the distal end 120; for example, the first positioning structure 15 is a notch 15 arranged at the distal end 120 of the housing 10. Correspondingly, the holder 60 comprises a second positioning structure 630; the second positioning structure 630 extends from the abutment portion 631 towards the second support portion 63; for example, the second positioning structure 630 is a protrusion 630 extending from the abutment portion 631 towards the second support portion 63. When the holder 60 is assembled into the housing 10 from the distal end 120 of the housing 10, the positioning is provided by the cooperation of the first positioning structure 15 and the second positioning structure 630. Also, after assembly, the second positioning structure 630 extends into the first positioning structure 15, to prevent relative rotation between the cylindrical housing 10 and the holder 60.

[0109] As shown in FIGS. 3-12, when the second wicking element 52 is received or housed within the second section 612 of the housing cavity 69; a spacing cavity 64 is defined between the inner surface of the second section 612 and the outer surface of the second wicking element 52. In embodiments, the spacing cavity 64 is defined by the space of the second section 612 of the housing cavity 69 not occupied by the second wicking element 52. In embodiments, the spacing cavity 64 is separated or isolated from the reservoir cavity 112; specifically, the spacing cavity 64 is separated or isolated from the reservoir cavity 112 by the first wicking element 51.

[0110] In use, the supersaturated liquid matrix drawn by the first wicking element 51 and / or the second wicking element 52 can be partially cached within the spacing cavity 64. Specifically, for example, the supersaturated liquid matrix injected into the reservoir cavity 112 during production can seep into the spacing cavity 64 after passing through the first wicking element 51; or in use, when the pressure within the reservoir cavity 112 is greater than the external pressure, the liquid matrix within the reservoir cavity 112 can seep into the spacing cavity 64 after passing through the first wicking element 51. Of course, the supersaturated liquid matrix drawn by the second wicking element 52 can also seep or reabsorb into the spacing cavity 64 upon changes in internal and external pressure.

[0111] In this embodiment, part of the boundary of the spacing cavity 64 is defined by the lower surface of the first wicking element 51; and, part of the boundary of the spacing cavity 64 is defined by the outer surface of the second wicking element 52.

[0112] As shown in FIGS. 3-12, the inner surface of the second section 612 of the housing cavity 69 is arranged with a plurality of retention ribs 68 extending into the spacing cavity 64. The retention ribs 68 are arranged extending along the longitudinal direction of the stent 60; and, the plurality of retention ribs 68 are arranged spaced apart along the circumferential direction of the inner surface of the second section 612.

[0113] Specifically, the retention ribs 68 include a first portion 681 and a second portion 682 arranged along the longitudinal direction. The first portion 681 has a protrusion height less than the protrusion height of the second portion 682; for example, in some embodiments, the first portion 681 has a protrusion height of about 0.5mm-1.5mm; the second portion 682 has a protrusion height of about 2mm-3mm.

[0114] After assembly, the first portion 681 abuts against the lower surface of the first liquid guide element 51 in the longitudinal direction, thereby at least partially supporting the first liquid guide element 51. Also after assembly, the first portion 681 is non-contacting with the outer lateral surface of the second liquid guide element 52, thereby having a spacing between the first portion 681 and the second liquid guide element 52. Also, the second portion 682 abuts and clamps against the outer lateral surface of the second liquid guide element 52. The second portion 682 of the holding ribs 68 surrounds and clamps the second liquid guide element 52, thereby clamping the second liquid guide element 52 between the holding ribs 68 and stably assembling the second liquid guide element 52 in the second section 612.

[0115] According to Figs. 3-12, the holder 60 further defines therein:

[0116] The air exchange passage 67 is in communication between the spacing cavity 64 and the liquid storage cavity 112, for relieving or balancing or regulating the pressure of the liquid storage cavity 112. Specifically, when the negative pressure in the liquid storage cavity 112 exceeds a predetermined threshold, air in the spacing cavity 64 can enter the liquid storage cavity 112 via the air exchange passage 67, thereby relieving the pressure of the liquid storage cavity 112, as indicated by the arrow R3 in Figs. 7 and 11. Also, when the pressure in the liquid storage cavity 112 is greater than the external pressure and the first liquid guide element 51 is supersaturated with the liquid substrate, the liquid substrate in the liquid storage cavity 112 can seep from the air exchange passage 67 to the spacing cavity 64, to reduce the pressure of the liquid storage cavity 112.

[0117] The air exchange passage 67 spans or bypasses the first liquid guide element 51 in the longitudinal direction of the atomizer 100, and is defined between the holder 60 and the first liquid guide element 51. Specifically, according to Figs. 3-12, the air exchange passage 67 comprises:

[0118] The first air vent groove 671 is located on the inner bottom wall of the first section 611 of the accommodation cavity 69, and extends radially to the inner lateral wall of the first section 611;

[0119] The second air vent groove 672 is located on the inner lateral wall of the first section 611 of the accommodation cavity 69, and extends from the first air vent groove 671 to the first end 610 of the holder 60;

[0120] The first air vent groove 671 is in communication with the spacing cavity 64, and the second air vent groove 672 is in communication with the liquid storage cavity 112. The first air vent groove 671 defines a first passage portion of the air exchange passage 67, which is formed or defined between the holder 60 and the lower surface of the first liquid guide element 51. The second air vent groove 672 defines a second passage portion of the air exchange passage 67, which is formed or defined between the holder 60 and the lateral surface of the first liquid guide element 51.

[0121] In some embodiments, the first vent groove 671 and / or the second vent groove 672 has a width and / or depth of about 0.3mm to 2.0mm. Alternatively, the vent passage 67 has a width and / or depth of about 0.3mm to 2.0mm.

[0122] According to Figs. 3 to 12, the vent passage 67 further comprises:

[0123] a third vent groove 673 located on the surface of the first end 610 of the bracket 60 and extending from the second vent groove 672 to the outer lateral edge of the bracket 60.

[0124] According to Figs. 3 to 12, the vent passage 67 is arranged to avoid the arrangement of the retaining ribs 68 of the second section 612.

[0125] According to Figs. 3 to 12, the bracket 60 comprises:

[0126] a plurality of partition flanges 621 arranged to extend circumferentially around the bracket 60; the plurality of partition flanges 621 are located between the first support portion 61 and the second support portion 63 in the longitudinal direction of the bracket 60; and the plurality of partition flanges 621 are arranged to be spaced apart in the longitudinal direction of the bracket 60. After assembly, the plurality of partition flanges 621 are abutted against and combined with the second sealing portion 82 of the sealing element 80.

[0127] According to Figs. 3 to 12, the bracket 60 comprises:

[0128] a plurality of air grooves 622 arranged to extend circumferentially around the bracket 60. The air grooves 622 are formed or defined between two adjacent partition flanges 621; or the air grooves 622 are defined between the first support portion 61 and the partition flange 621 closest to the first support portion 61.

[0129] After assembly, the plurality of air grooves 622 are externally surrounded and closed by the second sealing portion 82 of the sealing element 80. According to Fig. 8, air communication is formed between adjacent air grooves 622 through the gaps 623 or notches 624 on the partition flanges 621 therebetween. In Fig. 8, the gaps 623 on adjacent partition flanges 621 are arranged to be staggered in the longitudinal direction of the bracket 60.

[0130] According to Figs. 3 and 12, the bracket 60 further comprises:

[0131] an air inlet 21 located at the second end 620 for external air to enter the atomizer 100.

[0132] The atomizer 100 also defines an airflow passage defining an airflow path from the air inlet 21 to the air outlet 113 via the atomization assembly to deliver aerosol to the air outlet 113 as indicated by arrow R2 in FIGS. 9-12. The airflow passage is defined by a plurality of components collectively. The airflow passage includes:

[0133] an air inlet passage extending from the air inlet 21 to the atomization assembly to deliver external air to the atomization assembly;

[0134] an air outlet passage from the atomization assembly through the aerosol output tube 111 to the air outlet 113.

[0135] According to FIGS. 9-12, the airflow path defined by the air inlet passage includes:

[0136] from the air inlet 21 longitudinally through the second support portion 63 to the first communication port 625, and then from the first communication port 625 to the second communication port 626 to the atomization assembly. The second communication port 626 is closer to the second end 620 of the bracket 60 than the first communication port 625. The first and second communication ports 625, 626 are located on opposite sides of the partition flange 621 closest to the second support portion 63 and are in airflow communication through a cutout 627 in the partition flange 621. The first communication port 625 is in communication with the air inlet 21 and the second communication port 626 is in communication with the atomization assembly. The first and second communication ports 625, 626 are circumferentially spaced apart on the bracket 60. More specifically, the first and second communication ports 625, 626 are diametrically opposed on the bracket 60.

[0137] The airflow passage and / or the air inlet passage circumferentially surrounds the bracket 60. The airflow passage and / or the air inlet passage extends at least partially between the partition flange 621 and the second support portion 63.

[0138] According to FIG. 8, the spacing cavity 64 is in airflow communication with the air inlet passage and / or the first and / or second communication ports 625, 626.

[0139] Specifically, the bracket 60 also has:

[0140] a communication hole 65 that extends from an inner surface of the second section 612 of the containment cavity 69 to an outer lateral surface of the bracket 60 and is in communication with the air inlet passage through the air groove 622 defined between the partition flanges 621. The communication hole 65 is located between the first support portion 61 and the partition flange 621 closest to the first support portion 61.

[0141] Two partition walls 651 are arranged on both sides of the communication hole 65 respectively; the partition walls 651 extend from the first supporting part 61 to the partition flange 621. The protruding height of the partition walls 651 is lower than that of the partition flange 621, so that the communication hole 65 is in communication with the air groove 622 in a non-isolated manner.

[0142] The partition walls 651 are used to block and hold the liquid matrix flowing out of the communication hole 65; when the pressure in the liquid storage cavity 112 or the interval cavity 64 is less than the external pressure, the liquid matrix held between the two partition walls 651 flows back into the interval cavity 64 from the communication hole 65.

[0143] The communication hole 65 is in air flow communication with the air inlet channel and / or the first communication port 625 and / or the second communication port 626 through the air grooves 622; the notches 623 on the adjacent partition flanges 621 are staggered in the longitudinal direction of the bracket 60, so that the communication path between the communication hole 65 and the air inlet channel defined by the air grooves 622 is bent or detoured, as shown by the arrow R4 in FIG. 8.

[0144] It should be noted that the specification and drawings of the present application give the preferred embodiments of the present application, but are not limited to the embodiments described in the specification, and further, those of ordinary skill in the art can make improvements or changes according to the above description, and all these improvements and changes shall belong to the protection scope of the appended claims of the present application.

Claims

1. An atomizer, characterized in that: include: a liquid storage chamber for storing a liquid matrix; a first liquid-conducting element, arranged perpendicular to the longitudinal direction of the atomizer and in fluid communication with the liquid storage chamber for drawing the liquid matrix; a second liquid-conducting element for indirectly drawing the liquid matrix from the liquid storage chamber through the first liquid-conducting element; an atomizing assembly configured to draw the liquid matrix from the liquid storage chamber through the second liquid-conducting element and atomize the liquid matrix to generate an aerosol; A bracket at least partially surrounds and holds the second liquid-conducting element; when the second liquid-conducting element is accommodated or held in the bracket, there is a distance between the second liquid-conducting element and the inner surface of the bracket, thereby defining or forming a spacing cavity surrounding the second liquid-conducting element therebetween; the first liquid-conducting element is located between the liquid storage cavity and the spacing cavity to isolate the liquid storage cavity from the spacing cavity.

2. The atomizer according to claim 1, wherein The spacing cavity is partially bounded by the first liquid-conducting element and partially bounded by the second liquid-conducting element.

3. The atomizer according to claim 1 or 2, characterized in that A plurality of retaining ribs extending into the spacer cavity are provided on the inner surface of the bracket; When the second liquid-conducting element is accommodated or retained in the bracket, the retaining rib abuts against the outer surface of the second liquid-conducting element to retain the second liquid-conducting element.

4. The atomizer according to claim 3, wherein The plurality of retaining ribs are arranged at intervals around the circumference of the second liquid-conducting element.

5. The atomizer according to claim 3, wherein The retaining rib includes a first portion and a second portion arranged in the longitudinal direction of the bracket; the protrusion height of the first portion is smaller than the protrusion height of the second portion; When the second liquid-conducting element is accommodated or held in the bracket, the second portion abuts against an outer surface of the second liquid-conducting element, and the first portion is in non-contact with the second liquid-conducting element.

6. The atomizer according to claim 1 or 2, characterized in that The inner surface of the bracket surrounds and defines an accommodating cavity; the accommodating cavity includes a first section and a second section arranged in sequence along the longitudinal direction, and the cross-sectional area of ​​the first section is larger than the cross-sectional area of ​​the second section; The first liquid-conducting element is received or accommodated in the first section; The second liquid-conducting element is received or accommodated in the second section and is in contact with the first liquid-conducting element; The spacing cavity is formed or defined by a portion of the second section.

7. The atomizer according to claim 1 or 2, characterized in that The bracket is provided with a ventilation channel, which connects the liquid storage cavity with the air of the spacing cavity to adjust the pressure in the liquid storage cavity.

8. The atomizer according to claim 7, wherein The ventilation channel is defined or formed between the first liquid-conducting element and the bracket, and bypasses or crosses the first liquid-conducting element along the longitudinal direction of the atomizer.

9. The atomizer according to claim 8, wherein The ventilation channel includes a ventilation groove formed on the inner surface of the bracket.

10. The atomizer according to claim 1 or 2, characterized in that The bracket is also provided with an air inlet channel, which at least partially provides a path for delivering external air to the atomizing assembly; The spacer cavity is in airflow communication with the air inlet passage.

11. The atomizer according to claim 10, wherein The bracket is provided with a plurality of partition flanges surrounding the bracket in the circumferential direction, and a plurality of air grooves formed between two adjacent partition flanges; the two adjacent air grooves are connected by airflow through the notch or cutout on the partition flange between them; The spacer cavity is in airflow communication with the air inlet passage via at least one or more of the air grooves.

12. The atomizer according to claim 11, wherein The notches or cutouts on adjacent partition flanges are staggered in the longitudinal direction of the bracket to form a communication path between the partition cavity and the air inlet channel that meanders through a plurality of the air grooves.

13. The atomizer according to claim 11, wherein Also includes: shell; a sealing element positioned at least partially between the bracket and the housing for providing a seal therebetween; The sealing element is arranged to cover the air grooves from the outside of the bracket so that adjacent air grooves can only communicate with each other through the gap or cutout on the dividing flange between them.

14. The atomizer according to claim 13, wherein The air inlet passage is at least partially located between the sealing element and the bracket.

15. The atomizer according to claim 11, wherein Also includes the housing; The bracket comprises: A first supporting portion close to the liquid storage chamber, and a second supporting portion away from the first supporting portion; the first supporting portion surrounds and accommodates the first liquid-conducting element, and the second supporting portion is connected to the shell; the separating flange is located between the first supporting portion and the second supporting portion.

16. The atomizer according to claim 15, wherein A first positioning structure is arranged on the housing, and a second positioning structure for coupling with the first positioning structure is arranged on the second supporting portion; the first positioning structure and the second positioning structure are configured to prevent the bracket from rotating relative to the housing.

17. The atomizer according to claim 10, wherein The bracket is further provided with a communication hole which passes through the spacing cavity to the outer surface of the bracket; the spacing cavity is in airflow communication with the air inlet channel through the communication hole.

18. The atomizer according to claim 1 or 2, characterized in that Also includes: a tubular element, passing through the first liquid-conducting element and the second liquid-conducting element; The atomizing assembly comprises: a third liquid-conducting element, located within the tubular element and arranged to indirectly draw the liquid medium from the liquid reservoir through the second liquid-conducting element; The heating element is combined with the third liquid-conducting element and is used to heat at least a portion of the liquid matrix in the third liquid-conducting element to generate aerosol.

19. An atomizer, characterized in that: include: a liquid storage chamber for storing a liquid matrix; a first liquid-guiding element, arranged perpendicular to the longitudinal direction of the atomizer and defining a portion of the boundary of the liquid storage chamber; The first liquid conducting element is in fluid communication with the liquid storage chamber to draw the liquid matrix from the liquid storage chamber; a second liquid conducting element configured to indirectly draw the liquid matrix from the liquid reservoir through the first liquid conducting element; a heating element, located in the second liquid-conducting element and used for heating the liquid matrix to generate an aerosol; The bracket at least partially surrounds and holds the second liquid-conducting element; a plurality of retaining ribs arranged at intervals are provided on the inner surface of the bracket; the plurality of retaining ribs surround and abut against the second liquid-conducting element, thereby holding the second liquid-conducting element in the bracket.

20. An electronic atomization device, characterized in that: The invention comprises the atomizer according to any one of claims 1 to 19, and a power supply mechanism for supplying power to the atomizer.

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