WO2023123160A1

WO2023123160A1 - Electronic atomization apparatus and atomizer thereof

Info

Publication number: WO2023123160A1
Application number: PCT/CN2021/142883
Authority: WO
Inventors: 李光辉; 吕铭; 姜茹
Original assignee: 深圳麦克韦尔科技有限公司
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2023-07-06

Abstract

An electronic atomization apparatus and an atomizer (1) thereof, the atomizer comprising a reservoir (214), a first abutting portion and a rigid reinforcing member (15). The reservoir (214) is used to store an aerosol generation matrix; an atomization assembly (13) is connected to the reservoir (214) in a liquid guiding manner, and comprises a first side and a second side opposite to each other; the first abutting portion directly or indirectly abuts against the edge portion of the first side of the atomization assembly (13); and the rigid reinforcing member (15) directly or indirectly abuts against the edge portion of the second side of the atomization assembly (13), so that the edge portion can uniformly bear force. In the atomization device, the periphery of the atomization assembly (13) uniformly bears force by means of the rigid reinforcing member (15), thereby preventing the atomization assembly (13) from being broken due to excessive stress, and facilitating the development of the atomization assembly (13) in a thinning direction.

Description

Electronic atomization device and its atomizer

technical field

The invention relates to the field of electronic atomization, in particular to an electronic atomization device and an atomizer thereof.

Background technique

A typical electronic atomization device consists of a heating element, a battery, and a control circuit. The heating element is the core component of the electronic atomization device, and its characteristics determine the atomization effect and user experience. In order to reduce the hindrance to the atomized gas, the heating element is generally only fixed at two ends, and the middle is in a suspended state. This kind of suspension is easy to fracture under stress for a thin heating element with low strength. Therefore, heating elements such as porous ceramics need a certain thickness to meet the strength requirements, but this will sacrifice the liquid supply capacity of the heating element.

technical problem

Aiming at the deficiencies in the above technologies, the present invention provides an improved electronic atomization device and its atomizer.

technical solution

To achieve the above object, the present invention provides an atomizer, comprising:

a liquid storage bin for storing a liquid aerosol-generating substrate;

an atomizing assembly in fluid communication with the liquid storage chamber, including first and second opposing sides;

The first abutting portion directly or indirectly abuts against the edge portion of the first side of the atomization assembly; and

The rigid reinforcement directly or indirectly bears against the edge portion of the second side of the atomization assembly, so as to evenly bear the force on the edge portion.

In some embodiments, the atomization assembly includes a sheet-shaped heating element, the heating element includes a liquid-absorbing surface in fluid communication with the liquid storage chamber and an atomizing surface opposite to the liquid-absorbing surface, the One of the absorbing surface and the atomizing surface is located on the first side, and the other of the absorbing surface and the atomizing surface is located on the second side.

In some embodiments, the first abutting portion is directly or indirectly abutted against the edge of the heating element on the side where one of the liquid-absorbing surface and the atomizing surface is located, and the rigid reinforcement The other side of the liquid absorbing surface and the atomizing surface of the heating element is held against the edge.

In some embodiments, the stiffening member includes an opening through which the other of the liquid absorbing surface and the atomizing surface is exposed.

In some embodiments, the rigid reinforcement includes a sheet-shaped annular body, and the annular body directly or indirectly bears against the other side of the liquid-absorbing surface and the atomizing surface of the heating element. the edge of.

In some embodiments, the annular body is made of sheet metal, dense ceramics, or hard glue.

In some embodiments, the annular body is made of thin steel sheet, the thickness of which is less than or equal to 2mm.

In some embodiments, the atomizing assembly includes a sealing member disposed on the edge of the heating element and exposing the liquid-absorbing surface and the atomizing surface, and the first resisting portion and the rigidity reinforcement The components respectively abut against the heating element via the sealing components.

In some embodiments, the heating element includes a sheet-like substrate, and the substrate is glass with a micropore array, dense ceramics with a micropore array, or porous ceramics.

In some embodiments, the atomizer further includes a second abutting portion, and the second abutting portion is directly or indirectly abutted against a side of the rigid reinforcement member away from the atomization assembly.

In some embodiments, the atomizer includes a longitudinal axis, the atomization assembly includes a sheet-shaped heating element, and the plane where the heating element is located is approximately perpendicular to the longitudinal axis; the heating element includes a A liquid-absorbing surface connected to the liquid storage chamber and an atomizing surface opposite to the liquid-absorbing surface, the liquid-absorbing surface is located on the first side, and the atomizing surface is located on the second side.

In some embodiments, the atomizer includes a lower seat disposed on the second side, the lower seat includes a first support arm and a second support arm arranged at intervals, the first support arm and the second support arm The second support arms are respectively supported on two ends of the rigid reinforcement to form the second resisting portion.

In some embodiments, an atomization chamber is formed between the first support arm and the second support arm, and the atomization surface communicates with the atomization chamber through air.

In some embodiments, the atomizer includes an upper base that is buckled and connected above the lower base, and the first resisting portion is formed on the upper base.

In some embodiments, the first resisting portion includes a liquid lower port that connects the liquid storage bin with the liquid suction surface.

In some embodiments, the atomizer includes a longitudinal axis, the atomization assembly includes a sheet-shaped heating element, and the plane where the heating element is located is roughly parallel to the longitudinal axis; the heating element includes a The liquid-absorbing surface of the liquid storage chamber communicated with the liquid and the atomizing surface opposite to the liquid-absorbing surface, the atomizing surface is on the first side, and the liquid-absorbing surface is located on the second side.

In some embodiments, the atomizer includes an atomization cavity disposed on the first side of the atomization assembly, the atomization cavity forms an atomization cavity, and the atomization assembly is disposed on On the side wall of the atomization cavity, and the atomization surface communicates with the atomization cavity through air.

In some embodiments, the rigid reinforcement is buckled on the atomization cavity and exposes the liquid-absorbing surface.

In some embodiments, the side wall of the atomization chamber is provided with an installation part for installing the atomization assembly and an opening connecting the installation part with the atomization chamber, and the heating element The atomizing surface communicates with the atomizing chamber through the opening.

An electronic atomization device is also provided, including the atomizer in any one of the above items.

Beneficial effect

The beneficial effect of the present invention is that the surrounding of the atomizing component is uniformly stressed by means of the rigid reinforcement to avoid breakage due to excessive stress, and facilitate the development of the atomizing component in the direction of thinning.

Description of drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of an electronic atomization device in some embodiments of the present invention.

FIG. 2 is a schematic diagram of a three-dimensional exploded structure of the electronic atomization device shown in FIG. 1 .

FIG. 3 is a schematic cross-sectional structure diagram along the B-B direction of the atomizer of the electronic atomization device shown in FIG. 1 .

FIG. 4 is a schematic cross-sectional structure diagram along the A-A direction of the atomizer of the electronic atomization device shown in FIG. 1 .

Fig. 5 is a three-dimensional exploded schematic diagram of the atomizer shown in Fig. 1 .

Fig. 6 is a schematic diagram of a vertical cross-sectional structure of the atomizer shown in Fig. 1 in a disassembled state.

Fig. 7 is a three-dimensional exploded schematic diagram of the atomizing body shown in Fig. 5 .

Fig. 8 is a schematic diagram of a longitudinal cross-sectional structure of the atomizing body shown in Fig. 5 in a disassembled state.

Fig. 9 is a schematic diagram of a three-dimensional exploded structure of the atomizing body shown in Fig. 5 from another viewing angle.

Fig. 10 is a perspective exploded structural diagram of the atomization assembly shown in Fig. 9 .

Fig. 11 is a schematic perspective view of the three-dimensional structure of an electronic atomization device in other embodiments of the present invention.

FIG. 12 is a schematic diagram of a three-dimensional exploded structure of the electronic atomization device shown in FIG. 11 .

Fig. 13 is a schematic diagram of the A-A sectional structure of the atomizer shown in Fig. 12 .

Fig. 14 is a schematic diagram of the B-B cross-sectional structure of the atomizer shown in Fig. 12 .

Fig. 15 is a schematic diagram of the three-dimensional exploded structure of the atomizer shown in Fig. 12 .

Fig. 16 is a schematic diagram of the cross-sectional structure along A-A direction of the atomizer shown in Fig. 12 in a disassembled state.

Fig. 17 is a schematic diagram of the B-B cross-sectional structure of the atomizer shown in Fig. 12 in a disassembled state.

Fig. 18 is a schematic diagram of the three-dimensional exploded structure of the atomizing body shown in Fig. 15 .

Fig. 19 is a schematic diagram of the cross-sectional structure of the atomizing body shown in Fig. 15 along the direction of A-A in a disassembled state.

Fig. 20 is a perspective exploded structural diagram of the atomizing body shown in Fig. 15 from another perspective.

FIG. 21 is a schematic diagram of the three-dimensional structure of the electrode shown in FIG. 19 .

Fig. 22 is a perspective exploded structural diagram of the atomization assembly shown in Fig. 18 .

BEST MODE FOR CARRYING OUT THE INVENTION

In order to express the present invention more clearly, the present invention will be further described below in conjunction with the accompanying drawings.

It should be understood that terms such as "front", "rear", "left", "right", "upper", "lower", "first", and "second" are only for convenience in describing the technical solution of the present invention. , rather than indicating that the means or elements referred to must have specific differences, and therefore should not be construed as limiting the invention. It should be noted that when an element is considered to be "connected" to another element, it may be directly connected to the other element or intervening elements may also exist. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention.

Fig. 1 and Fig. 2 show the electronic atomization device in some embodiments of the present invention, the electronic atomization device may be in the form of a hand-held rod-shaped structure for the user to inhale the aerosol. As shown in the figure, the electronic atomization device may include an atomizer 1 and a power supply device 2 matched with the atomizer 1 . The atomizer 1 can be used to store and heat atomized liquid aerosol-generating substrates such as medicinal liquid, and export the aerosol. The power supply unit 2 can be used to supply power to the atomizer 1 . In some embodiments, both the atomizer 1 and the power supply device 2 can be approximately elliptical cylindrical, and both are mechanically and electrically connected together along the axial direction. In some embodiments, the atomizer 1 and the power supply unit 2 can be detachably connected together by magnetic attraction. It can be understood that the atomizer 1 and the power supply device 2 are not limited to be elliptical columnar, they may also be columnar with a circular, racetrack or irregular cross-section, or non-column.

3 to 6 show the atomizer 1 in some embodiments of the present invention, the atomizer 1 may include an atomizer body 10 and a housing 20 sleeved on the atomizer body 10 along the longitudinal axis X, The atomizing body 10 and the casing 20 together define a liquid storage space for storing the liquid aerosol generating substrate. The atomizing body 10 is used to heat the liquid aerosol generating substrate in the liquid storage space to generate aerosol, and the housing 20 is used to protect the atomizing body 10 and export the mixture of aerosol and air. In some embodiments, the liquid storage space may include a liquid storage bin 214 formed between the outer wall of the atomizing body 10 and the inner wall of the housing 20 and a lower liquid channel formed in the atomizing body 10. The bin 214 is used to store the liquid aerosol-generating substrate, and the lower liquid channel is used to deliver the liquid in the liquid storage bin 214 to the atomizing assembly 13 .

In some embodiments, the housing 20 may include a flat housing 21 with an opening 212 at one end, an air outlet 210 at one end, and a guide tube that communicates with the air outlet 210 at one end and extends toward the opening 212 of the housing 21 at the other end. Air pipe 22 , the end of the air guide pipe 22 is inserted in the atomizing main body 10 to lead out the mist generated when the atomizing main body 10 works. An annular liquid storage bin 214 is defined between the inner wall of the casing 21 and the outer wall of the air guide pipe 22 . The opening 212 allows the atomizer body 10 to be inserted into the casing 20 . A buckle structure 216 can also be provided inside the opening end of the housing 21 to buckle with the atomizing main body 10 inserted into the opening end of the housing 21 .

Referring to FIG. 7 to FIG. 9 together, in some embodiments, the atomizing main body 10 may be symmetrical on the front side and the rear side, and also symmetrical on the left side and the right side, so as to facilitate molding and subsequent assembly. In some embodiments, the atomizing body 10 may include a lower base body 11, an upper base body 12 snap-connected with the lower base body 11, an atomization assembly 13 sandwiched between the lower base body 11 and the upper base body 12, and spaced apart A pair of electrodes 14 penetrate through the lower base body 11 and are respectively electrically connected to the atomizing assembly 13 . Understandably, the atomizing main body 10 is not limited to a symmetrical structure, and an asymmetrical structure is also applicable. In some embodiments, the atomization assembly 13 can be arranged horizontally, that is, it is arranged in a manner that the plane on which it is located is perpendicular to the longitudinal axis X of the atomization main body 10 .

In some embodiments, the lower seat body 11 can be formed integrally with hard plastic material, and it is preferably symmetrical to the front and rear, and symmetrical to the left and right, so as to facilitate manufacture and subsequent assembly. In some embodiments, the lower seat body 11 may include a substantially elliptical base 111, a first support arm 112 erected at the first end of the top surface of the base 111 in the direction of the long axis, and a first support arm 112 erected on the top of the base 111. face the second support arm 113 at the second end. The first support arm 112 and the second support arm 113 together press against the atomization assembly 13 from the lower side of the atomization assembly 13 to form a lower side abutment portion (second abutment portion) of the atomization assembly 13 . There is a gap between the first support arm 112 and the second support arm 113, so that when the atomization assembly 13 is horizontally erected on the first support arm 112 and the second support arm 113, the atomization assembly 13 is formed on the lower side. A chamber 110, the atomization chamber 110 is used for mixing the aerosol atomized by the atomization assembly 13 with the air inhaled from the outside, and carried away by air flow.

In some embodiments, the base 111 may include an air inlet channel 1110 located in the middle and penetrating up and down, and a pair of mounting holes 1112 penetrating up and down. .

As shown in FIG. 7 , in some embodiments, the first support arm 112 may include a first support portion 1121 and a first resisting portion 1122 extending upward from the top surface of the first support portion 1121 away from the second support arm 113 . The first supporting part 1121 is used to support one end of the atomization assembly 13 , and the first locking hole 1120 is formed on the first resisting part 1122 to be locked with the upper base body 12 .

In some embodiments, the second supporting arm 113 may include a second supporting portion 1131 and a second resisting portion 1132 extending upward from a top surface of the second supporting portion 1131 away from the first supporting arm 112 . The second supporting portion 1131 is used to support the other end of the atomization assembly 13 , and the second resisting portion 1132 is formed with a first locking hole 1130 for locking with the upper base body 12 .

In some embodiments, the first support portion 1121 and the second support portion 1131 may respectively include a pair of first ventilation grooves 1123 extending transversely on the top surface and a pair of second ventilation grooves extending longitudinally formed on the inner surface. 1125, the pair of first air exchange slots 1123 communicate with the pair of second air exchange slots 1125 respectively, the end of each first air exchange slot 1123 away from the atomization chamber 110 is exposed to the outside of the atomization assembly 13, and It communicates with the lower end of the corresponding third ventilation groove 1225 of the upper base body 12 .

In some embodiments, the upper base body 12 can be formed integrally with a hard plastic material, and the front and rear sides can be symmetrical, and the left and right sides can also be symmetrical. In some embodiments, the upper base body 12 may include a main body portion 121 and a pressing portion 122 disposed under the main body portion 121 .

In some embodiments, the body portion 121 may include a pair of lower liquid ports 1210 and an air outlet channel 1212 . The air outlet channel 1212 may be located in the middle of the top of the body portion 121 and arranged longitudinally. The pair of lower liquid ports 1210 can be respectively disposed on two opposite sides of the air outlet channel 1212 and arranged along the longitudinal direction. The body portion 121 may further include a confluence portion 1214 in some embodiments. The collection part 1214 is located below the pair of lower liquid ports 1210, and communicates with the pair of lower liquid ports 1210 respectively, so that the liquid aerosol-generating substrate in the liquid storage bin 214 can be as shown by the arrow N in FIG. The direction flows into the converging portion 1214 . The air outlet channel 1212 is used for communicating with the lower end of the air guide pipe 22 of the casing 20 . The collecting portion 1214 and the pair of lower liquid ports 1210 together form the above-mentioned lower liquid channel.

In some embodiments, the body portion 121 may further include a pair of air guide grooves 1216 (as shown in FIG. 4 ), the pair of air guide grooves 1216 are respectively formed on two opposite side outer walls of the body portion 121, and are formed by the upper Extend down. The pair of air guide grooves 1216 together with the housing 21 define an air guide channel that communicates the atomization chamber 110 with the air outlet channel 1212 (the arrow M in FIG. 4 indicates the gas flow direction).

The resisting portion 122 may include an annular resisting portion 1220 in some embodiments, and the resisting portion 1220 is pressed against the upper side of the edge of the atomizing assembly 13 to form the upper resisting portion of the atomizing assembly 13 (the first abutting portion), which clamp and fix the atomizing assembly 13 together with the lower abutting portion (the first support portion 1121 and the second support portion 1131 ) of the atomization assembly 13 on the lower base body. The middle part of the resisting part 1220 includes a lower liquid port 1222 that penetrates up and down and faces the liquid absorption surface of the atomization assembly 13. The lower liquid port 1222 communicates with the collection part 1214 of the body part 121 and is located at 1214 , so that the liquid aerosol-generating substrate in the collection part 1214 can flow to the liquid-absorbing surface of the atomization component 13 . In some embodiments, the lower liquid opening 1222 may be in the shape of a rectangle, and its size is adapted to the liquid absorption surface of the atomization assembly 13 .

In some embodiments, the resisting portion 122 may include an inner frame 1224 formed on the bottom surface of the resisting portion 1220 and surrounding the lower liquid port 1222 and an outer frame 1226 formed on the periphery of the bottom surface of the resisting portion 1220. The inner frame 1224 is used for lateral The outer frame 1226 is used to resist against the inside of the seal 132 of the atomization assembly 13 and laterally against the outside of the seal 132 .

In some embodiments, the abutment portion 1220 may include a pair of ventilation holes 1221 penetrating up and down. The pair of ventilation holes 1221 are directly opposite to the seal 132 of the atomization assembly 13 , and connect the lower side of the abutment portion 1220 to the bottom of the abutment portion 1220. The converging part 1214 located on the upper side of the resisting part 1220 is connected to exchange air in the liquid storage tank when the liquid pressure of the liquid storage tank is too low, so as to realize the gas-liquid balance in the liquid storage tank. The upper surface of the resisting portion 1220 constitutes a bottom wall of the liquid storage bin, on which, in some embodiments, a pair of ventilation tubes 1223 are respectively arranged corresponding to the pair of ventilation holes 1221 . The pair of ventilation tubes 1223 communicate with the pair of ventilation holes 1221 respectively, and the axis of the pair of ventilation tubes 1223 is perpendicular to the liquid-absorbing surface of the heating element 131, so that the ventilation opening at the end of the ventilation tube 1223 protrudes above the The upper surface of the resisting portion 1220 (ie, the bottom wall of the liquid storage chamber) has a certain distance to avoid or reduce the air bubbles adhering to the upper surface of the resisting portion 1220 and the liquid-absorbing surface of the heating element 131 during the ventilation process. In some embodiments, the vertical distance from the ventilation opening to the liquid-absorbing surface of the heating element 131 is preferably greater than the vertical distance from the ventilation opening to the upper surface of the resisting portion 1220 . In some embodiments, the upper surface of the resisting portion 1220 may be a flat surface arranged horizontally.

As shown in FIG. 8 , the ventilation tube 1223 can be integrally formed with the resisting portion 1220 in some embodiments. In some embodiments, the central through hole of the ventilation tube 1223 adopts a stepped hole design, and the diameter of the first hole segment on the side close to the abutting portion 1220 is larger than the aperture diameter of the second hole segment on the side away from the abutting portion 1220 . In some embodiments, the diameter of the first hole segment is 0.5-1 mm, and the diameter of the second hole segment is 0.2-0.6 mm. In some embodiments, the length of the ventilation tube 1223 is 0.8-1.5 mm.

As shown in FIG. 9 , in some embodiments, a pair of third ventilation grooves 1225 extending longitudinally may be formed on the inner wall of the peripheral frame 1226 close to each ventilation hole 1221 , and the lower surface of the resisting portion 1220 is correspondingly formed with The air exchange hole 1221 communicates with the third air exchange slot 1225 to form a fourth air exchange slot 1227 . In this way, the second ventilation slot 1125, the first ventilation slot 1123, the third ventilation slot 1225, the fourth ventilation slot 1227, the ventilation hole 1221 and the ventilation tube 1223 are connected in sequence to form the ventilation of the atomizer 1. aisle. It can be understood that although the illustrated atomizer 1 includes four ventilation passages distributed near the four corners of the atomization assembly 13, it is not limited to four, and less than four or more than four are also applicable. It can be increased or decreased according to the specific situation.

An arc-shaped embedded part 1228 is extended downwards from the lower end surfaces of the two opposite side walls of the peripheral frame 1226 close to the pair of ventilation holes 1221 respectively, so as to respectively embedded in the first support part 1121 and the second support part of the lower seat body 11 1131 on the upper surface. The upper surfaces of the first support portion 1121 and the second support portion 1131 are respectively formed with a pair of arc-shaped insertion grooves 1126 for the ends of the insertion portion 1228 to be embedded, and the two ends of each insertion groove 1126 are respectively connected to the corresponding pair of the first exchange. The air grooves 1123 are connected (as shown in FIG. 7 ).

As shown in FIG. 10 , in some embodiments, the atomizing assembly 13 may include a sheet-shaped heating element 131 and a soft seal 132 bonded to the edge of the heating element 131. The heating element 131 may include a The liquid-absorbing surface and the atomizing surface located at the lower side 134 and opposite to the liquid-absorbing surface, when the sealing member 132 is combined with the edge of the heating element 131, both the liquid-absorbing surface and the atomizing surface are exposed.

In some embodiments, the heating element 131 may include a sheet base 1311 and a heating layer 1312 formed on the bottom surface of the base 1311 . The base body 1311 can be made of glass or dense ceramics with a micropore array, and can also be made of sheet-shaped porous ceramics.

In some embodiments, the substrate 1311 may include an upper surface and a lower surface that are flat and parallel to each other, wherein the middle area of the upper surface forms a liquid absorption surface, and the middle area of the lower surface forms an atomization surface. The thickness of the base body 1311 may be 0.1-10 mm in some embodiments. In some cases, the thickness of the base body 1311 may be 0.1-1 mm. The porosity of the substrate 1311 may range from 0.2 to 0.8 in some embodiments, and the surface tension of the aerosol-generating substrate it is compatible with may range from 38 to 65 mN/m in some embodiments. It can be understood that the heating element 131 is not limited to be in the shape of a rectangular sheet, and it can also be in the shape of a square sheet, a circular sheet, an oval sheet, a track-shaped sheet, a special-shaped sheet, and other shapes in some embodiments.

In some embodiments, the soft seal 132 may be in the shape of a rectangular ring, so that the upper liquid-absorbing surface and the lower atomizing surface of the heating element 131 are exposed. In some embodiments, the soft seal 132 can be wrapped around the periphery of the heating element 131, and the inner wall surface is formed with a groove 1320 for the edge of the heating element 131 to be embedded, so that the upper side of the edge of the heating element 131, Both the lower side and the outer side are covered by the sealing member 132, which can prevent liquid leakage on the one hand, and protect the heating element 131 from being crushed on the other hand. In some embodiments, the soft seal 132 further includes a slot 1322 formed on a frame, so that the heating element 131 can be inserted into the seal 132 . In some embodiments, the soft seal 132 can also be integrally injection molded with the heating element 131 . In some other embodiments, the sealing member 132 can also be formed by splicing two or more structures.

The atomizing body 10 also includes a rigid reinforcement 15 in some embodiments, and the rigid reinforcement 15 may include a rectangular ring-shaped body. In some embodiments, materials that are not easily brittle and can withstand large forces can be used, such as metal sheets, dense ceramics, hard glue, preferably metal sheets, such as steel sheets SUS-316L (food grade), the thickness range is 0.1-0.5 mm (preferably, the thinner the better if the strength meets the requirements). Two ends of the annular body of the rigid reinforcement 15 are respectively supported by the first support arm 112 and the second support arm 113 to support the atomization assembly 13 . The four frames of the annular body of the rigid reinforcement 15 are respectively supported under the four frames of the seal 132 of the atomization assembly 13 , so that the heating element 131 of the atomization assembly 13 is stressed evenly around and avoids excessive stress and breakage. When the soft seal 132 of the atomization assembly 13 is stressed evenly, the sealing performance is better. The central through hole 150 of the annular body of the rigid reinforcement 15 forms an opening for exposing the atomizing surface of the heating element 131 .

In some embodiments, the soft sealing member 132 may include a pair of arc-shaped first limiting protrusions 1321, which are respectively formed on the outer walls of two opposite frames of the sealing member 132. . Correspondingly, a pair of arc-shaped second limiting protrusions are respectively provided on the outer sides of the two opposite sides of the rigid reinforcement 15 . The inner sides of the two opposite sides of the rigid reinforcement 15 are concavely formed with an arc-shaped avoidance groove 152 to provide avoidance space for the installation of the pair of electrodes 14 .

In some embodiments, the atomizing body 10 may further include a sealing sleeve 16 , which is placed on the upper part of the upper base 12 to realize a liquid-tight seal between the upper base 12 and the inner wall of the housing 20 . A pair of lower liquid holes 160 and an air passage hole 162 may be formed on the top wall of the sealing sleeve 16 in some embodiments. 162 communicates with the air outlet channel 1212 of the upper base body 12 correspondingly.

Fig. 11 and Fig. 12 show the electronic atomization device in some embodiments of the present invention, the electronic atomization device may be in the form of a hand-held rod-shaped structure for the user to inhale the aerosol. As shown in the figure, the electronic atomization device may include an atomizer 1a and a power supply device 2a matched with the atomizer 1a. The atomizer 1a can be used to store and heat atomized liquid aerosol-generating substrates such as medicinal liquid, and to export the aerosol. The power supply unit 2a can be used to power the atomizer 1a. In some embodiments, the atomizer 1a and the power supply device 2a may both be substantially elliptical cylindrical, and both are mechanically and electrically connected together along the axial direction. In some embodiments, the atomizer 1a and the power supply unit 2a can be detachably connected together by means of magnetic attraction. It can be understood that the atomizer 1a and the power supply unit 2a are not limited to being elliptical columns, they may also be columns with circular, racetrack or irregular cross-sections, or non-columnar shapes.

As shown in Figures 13 to 17, the atomizer 1a in some embodiments may include an atomizing body and a casing 20a sleeved on the atomizing body, and a reservoir is formed between the atomizing body and the casing 20a. Liquid space 70a. The liquid storage space 70a is used to accommodate the liquid aerosol generating substrate, the atomizing body is used to heat the liquid aerosol generating substrate in the liquid storage space 70a to generate aerosol and mix the aerosol with the outside air, and the housing 20a is also used to Export the mixture of aerosol and air and protect the atomized body.

The housing 20a may include an elongated flat shell 21a and an air duct 22a in some embodiments. One end (lower end) of the elongated flat housing 21a has an opening 212a, and the other end (upper end) has an air outlet 210a. One end of the air guide pipe 22a communicates with the air outlet 210a, and the other end extends toward the opening 212a of the housing 21a. In some embodiments, the air guide pipe 22a can be integrally formed with the shell 21a, and its end is inserted into the atomizing main body to lead out the mist generated when the atomizing main body works. It can be understood that the shape of the housing 21a is not limited to the one shown in the figure, and other shapes such as a square tube shape and a cylindrical shape are also applicable.

In some embodiments, the end of the casing 21a provided with the air outlet hole 210a may be flattened to form a suction nozzle. The atomizing body is inserted into the casing 20a through the opening 212a along the longitudinal direction, and the opening 212a is blocked to realize the sealing of the liquid storage space 70a. The inside of both ends of the open end of the shell 21a is also provided with a locking groove 216a to engage with the atomizing body inserted into the shell 21a to prevent the atomizing body from falling out of the shell 20a.

As shown in FIG. 13 to FIG. 17 , in some embodiments, the housing 21a may include a first side wall 211a , a second side wall 213a , a third side wall 215a and a fourth side wall 217a sequentially connected in the circumferential direction. The first sidewall 211a and the third sidewall 215a may be arc-shaped in some embodiments, and are respectively located at two ends of the short axis of the cross-section of the housing 21a, and have a relatively small curvature. The second sidewall 213a and the fourth sidewall 217a may be arc-shaped in some embodiments, and are respectively located at two ends of the long axis of the cross-section of the housing 21a, and have relatively large curvatures.

Referring to Fig. 18 together, in some embodiments, the atomizing body may include a columnar atomizing seat 10a, an atomizing assembly 30a arranged on one side of the atomizing seat 10a, and a card for fixing the atomizing assembly 30a on the atomizing seat 10a The fastener 40a, the first sealing member 50a arranged on the top of the atomizing seat 10a, and the second sealing member 60a arranged on the other side of the atomizing seat 10a. The atomizing seat 10a is used to form the skeleton of the atomizing body, and to form airflow channels and conductive channels. The atomizing assembly 30a is used for heating and atomizing the liquid in the liquid storage space 70a, and releasing the mist into the atomizing seat 10a. The first sealing member 50a is used to seal the gap between the upper part of the atomizing seat 10a and the air guide pipe 22a, and is also used to form a ventilation channel together with the atomizing seat 10a. The second sealing member 60a is used to seal the escape hole 1250a on the side wall of the atomizing seat 10a.

In some embodiments, the atomizing seat 10a may include a base 11a, a cylindrical atomizing chamber 12a disposed longitudinally on the top of the base 11a, and a cylindrical connecting chamber 13a disposed on the top of the atomizing chamber 12a. In some embodiments, the base 11a can be used to close the opening 212a of the housing 20a, provide electrical connection for the atomization assembly 30a, and introduce outside air into the atomization cavity 12a. In some embodiments, the atomizing chamber 12a can form an atomizing chamber 120a, and can be installed on the atomizing chamber 12a to communicate with the atomizing chamber 120a. In some embodiments, the connecting chamber 13a can be used to communicate the atomizing chamber 120a with the air duct 22a of the casing 20a, to partition the liquid storage space 70a, and to ventilate the liquid storage space 70a.

Referring to FIG. 19 together, the base 11a in some embodiments may include a base body 111a with a substantially elliptical cross section, a sealing ring 112a sleeved on the base body 111a, and a pair of electrodes integrally formed in the base body 111a. 113a. The base body 111a and the sealing ring 112a are used to close the opening 212a of the housing 20a, and the pair of electrodes 113a are used to electrically connect the atomizing assembly 30a to the positive and negative electrodes of the power supply device 2a respectively. Referring to FIG. 21 together, in some embodiments, each electrode 113a can be integrally made by bending elastic conductive materials such as metal sheets, which can include a U-shaped first electrode fixed in the base body 111a with the middle part exposed to the bottom surface of the base body 111a. A conductive end 1131a and a second conductive end 1132a connected to the first conductive end 1131a and protruding from the top surface of the base body 111a and inclined to one side, the first conductive end 1131a is used to electrically connect with the power supply device 2a, the second conductive end 1132a elastically presses against the atomization assembly 30a.

As shown in FIG. 19 , the base 11a in some embodiments may also include an air intake channel 114a passing through the base body 111a, a guide structure 115a arranged on the top surface of the base body 111a and near the air outlet of the air intake channel 114a And a pair of buckle arms 116a respectively disposed on two opposite ends of the top surface of the base body 111a. The air intake passage 114a is used to allow outside air to enter the atomization cavity 120a, and the guide structure 115a is used to guide the airflow to the atomization assembly 30a. The pair of locking arms 116a are used to respectively engage with the two locking slots 216a of the housing 21a.

The cross section of the air inlet channel 114a may be rectangular in some embodiments, thereby forming a longitudinal slit, which includes an air inlet section 1141a located at the lower part, an air outlet section 1143a located at the upper part, and connecting the air inlet section 1141a and the air outlet section 1143a The cross-sectional area of the air inlet section 1141a is larger than the cross-sectional area of the air outlet section 1143a, so that the inhaled gas is accelerated when it flows out through the air outlet section 1143a, and can be better blown to the atomization assembly 30a . In some embodiments, the guide structure 115a may include a guide surface 1151a located directly above the air outlet of the air outlet section 1143a, and the guide surface 1151a may be a plane inclined toward the atomization assembly 30a. It can be understood that the cross-section of the air intake channel 114a is not limited to a rectangle, and it can also be in the shape of a long runway, a long ellipse, etc., or a columnar slit such as a circle or a square.

As shown in FIG. 13 and FIG. 14 , the atomizing cavity 12a may be cylindrical in some embodiments, and may be integrally formed on the top surface of the base body 111a along the longitudinal direction. In some embodiments, the atomizing chamber 12a may include a first side wall 121a, a second side wall 123a, a third side wall 125a and a fourth side wall 127a connected in sequence in the circumferential direction, and these side walls together define a substantially The atomizing chamber 120a is in the shape of a cuboid. The first side wall 121a, the second side wall 123a and the fourth side wall 127a of the atomization chamber 12a are respectively opposite to the first side wall 211a, the second side wall 213a and the fourth side wall 217a of the housing 21a, and each has intervals, and these intervals are interconnected. The first sidewall 121a, the second sidewall 123a, and the fourth sidewall 127a may each include a flat outer surface in some embodiments.

The outer wall surface of the third side wall 125a of the atomization cavity 12a can be closely attached to the inner wall surface of the third side wall 215a of the shell 21a of the housing 20a, and an escape hole 1250a penetrating through the thickness direction is opened on it (as shown in the figure 20). The escape hole 1250a is used to facilitate the mold clamping the electrode 113a during the integral injection molding process of the atomizing seat 10a, and the second sealing member 60a is sealed in the avoidance hole 1250a to prevent liquid from leaking into the atomizing chamber 120a. In some embodiments, the outer wall surface of the third side wall 125a may be arc-shaped, so as to better adhere to the inner wall surface of the third side wall 215a of the housing 21a.

As shown in Figures 18 and 19, the first side wall 121a of the atomization chamber 12a may include a receiving groove 1210a for accommodating the atomizing assembly 30a in some embodiments, and a receiving groove 1210a for connecting the receiving groove 1210a to the atomizing chamber 120a. connected to the opening 1212a. In some embodiments, the receiving groove 1210a can be formed by the outer surface of the first side wall 121a being recessed toward the direction away from the first side wall 211a of the shell 21a, and the bottom of the groove is against the inner edge of the atomization assembly 30a, forming a A resisting part of the atomization assembly 30a. In some embodiments, the opening 1212a may be formed in the middle of the bottom of the receiving groove 1210a, so that the bottom of the receiving groove 1210a is ring-shaped. The shape and size of the opening 1212a can be adapted to the shape and size of the atomizing surface of the atomizing assembly 30a, so that the groove bottom of the receiving groove 1210a is against the entire edge of the atomizing assembly 30a, and the atomizing assembly 30a The entire atomizing surface of is exposed in the atomizing chamber 120a. The second conductive end 1132a of the electrode 113a of the base 11a protrudes into the opening 1212a and elastically contacts the atomizing assembly 30a. In some embodiments, the outer surfaces of the second side wall 123a and the fourth side wall 127a can be respectively provided with locking platforms 122a for locking with the locking member 40a. The outer surface of the first side wall 121a may be planar in some embodiments.

As shown in FIG. 18 , the connection cavity 13a in some embodiments may include a first side wall 131a , a second side wall 133a , a third side wall 135a and a fourth side wall 137a sequentially connected in the circumferential direction. The first side wall 131a, the second side wall 133a, the third side wall 135a and the fourth side wall 137a together define a cylindrical cavity 130a for the first sealing member 50a to be embedded in. In some embodiments, the connecting cavity 13a can be integrally formed on the top of the atomizing cavity 12a along the longitudinal direction, and its third side wall 135a is on a vertical plane with the third side wall 125a of the atomizing cavity 12a. The distance from the first side wall 131a to the third side wall 135a of the connecting cavity 13a is greater than the distance from the first side wall 121a to the third side wall 125a of the atomizing cavity 12a.

Referring to Fig. 13 together, the outer wall surfaces of the first side wall 131a and the third side wall 135a are respectively pressed against the inner surfaces of the first side wall 211a and the second side wall 213a of the housing 21a, separating the liquid storage space 70a into a The collection part 71a located below the connecting cavity 13a and the liquid storage bin 72a located above the connecting cavity 13a. The collection part 71a is formed by the space between the atomization cavity 12a and the first side wall 211a, the second side wall 213a and the fourth side wall 217a of the housing 21a, and surrounds the atomization cavity 12a in a C shape.

Referring to Fig. 14 together, the second side wall 133a and the fourth side wall 137a of the connection cavity 13a are respectively opposite to the second side wall 213a and the fourth side wall 217a of the housing 21a, and respectively form two intervals, the two intervals The collecting part 71a is connected with the liquid storage chamber 72a to respectively form a first liquid lower port 73a and a second liquid lower port 74a through which the liquid enters the collecting part 71a from the liquid storage chamber 72a.

In some embodiments, a step 132a may be provided at the junction between the connecting cavity 13a and the atomizing cavity 12a, and the top surface of the step is formed with a first gas guide with capillary force that communicates with the atomizing cavity 120a and extends horizontally. Slot 1320a. In some embodiments, the third side wall 135a of the connection cavity 13a may include a longitudinally extending second air guide groove 1351a with capillary force formed on the inner surface, and the lower end of the second air guide groove 1351a is connected to the first The air guide grooves 1320a are connected. In some embodiments, the third side wall 135a may further include a third air guide groove 1353a extending longitudinally on the outer surface and having a capillary force, and passing through the third side wall 135a to form the third air guide groove 1353a The air guide hole 1352a communicated with the second air guide groove 1351a. The upper end of the third air guide groove 1353a communicates with the liquid storage chamber 72a of the liquid storage space 70a. The first air guide groove 1320a, the second air guide groove 1351a, the air guide hole 1352a and the third air guide groove 1353a together form the air exchange channel of the atomizer 1a, so as to realize the gas-liquid balance in the liquid storage space 70a.

As shown in FIG. 19 again, the first sealing member 50a may be made of soft material such as silicone in some embodiments, and may include a cylindrical body 51a and a flange 53a formed on the upper edge of the cylindrical body 51a. The outer diameter of the cylindrical body 51a is adapted to the inner diameter of the cavity 130a of the connecting cavity 13a, so that the cylindrical body 51a can be tightly plugged in the cavity 130a along the axial direction. The lower end surface of the cylindrical body 51a is tightly abutted against the top surface of the step 132a. The cylindrical body 51a includes a through central through hole 510a for communicating with the atomizing chamber 120a after the air guide tube 22a of the housing 20a is inserted. In some embodiments, the first sealing member 60a is also made of soft material such as silica gel, and is in the shape of a block.

As shown in FIG. 22 , in some embodiments, the atomization assembly 30a may include a sheet-shaped heating element 31a and a square-shaped soft seal 32a bonded to the periphery of the sheet-shaped heating element 31a. The sheet-shaped heating element 31a may be in the shape of a square sheet in some embodiments, and may include a sheet-shaped base 311a and a heating layer 312a formed on the bottom surface of the base 311a. The substrate 311a can be glass or dense ceramics with a micropore array, or sheet-shaped porous ceramics. In some embodiments, the sealing member 32a can also be integrally injection molded with the heating element 31a. In some other embodiments, the sealing member 32a can also be formed by splicing two or more structures. In some embodiments, the atomization assembly 30a may be arranged in a direction parallel to the longitudinal axis of the atomization chamber 12a.

As shown in Fig. 19 and Fig. 20, in some embodiments, the buckle 40a can be formed integrally with a metal sheet, which includes a buckle body 41a with an opening 410a and a buckle body 41a connected to two opposite sides of the buckle body 41a respectively. The first buckle arm 42a and the second buckle arm 43a. The buckle body 41a is pressed against the outside of the atomization assembly 30a, and the first buckle arm 42 and the second buckle arm 43a are respectively buckled on the side wall of the atomization cavity 12a, and the atomization assembly 30a is fastened on the atomizer The liquid absorption surface of the atomization assembly 13 is exposed to the liquid storage space 70a through the opening 410a. The four frames of the buckle body 41a respectively correspond to the four frames of the sealing member 32a of the atomization assembly 30a, so that the heating element 31a of the atomization assembly 30 is stressed evenly around and avoids excessive stress and breakage. Here, the buckle body 41a also functions as a reinforcement for the heating element 31a.

It should be pointed out that those skilled in the art can freely combine the above-mentioned technical features without departing from the concept of the present invention, and can also make some modifications and improvements, which all belong to the protection of the present invention. scope.

Claims

A nebulizer comprising:

a liquid storage bin for storing a liquid aerosol-generating substrate;

an atomizing assembly in fluid communication with the liquid storage chamber, including first and second opposite sides;

The first abutting portion directly or indirectly abuts against the edge portion of the first side of the atomization assembly; and

The rigid reinforcement directly or indirectly bears against the edge portion of the second side of the atomization assembly, so as to evenly bear the force on the edge portion.
The atomizer according to claim 1, wherein the atomization assembly includes a sheet-shaped heating element, and the heating element includes a liquid-absorbing surface connected with the liquid storage chamber and connected to the liquid-absorbing surface. The opposite atomizing surface, one of the liquid absorbing surface and the atomizing surface is located on the first side, and the other of the liquid absorbing surface and the atomizing surface is located on the second side. side.
The atomizer according to claim 2, wherein the first abutting portion is directly or indirectly abutted against the side where one of the liquid absorbing surface and the atomizing surface of the heating element is located The edge portion of the rigid reinforcing member is against the edge portion of the other side of the liquid absorbing surface and the atomizing surface of the heating element.
The atomizer according to claim 3, wherein the rigid reinforcement includes an opening through which the other of the liquid absorbing surface and the atomizing surface is exposed.
The atomizer according to claim 4, wherein the rigidity reinforcing member comprises a sheet-shaped annular body, and the annular body directly or indirectly bears against the liquid-absorbing surface of the heating element and the mist The edge of the other side of the two chemical planes.
The atomizer according to claim 5, wherein the annular body is made of metal sheet, dense ceramic, or hard glue.
The atomizer according to claim 6, wherein the annular body is made of thin steel sheet, and its thickness is less than or equal to 2mm.
The atomizer according to claim 2, wherein the atomization assembly includes a sealing member arranged on the edge of the heating element and exposing the liquid absorbing surface and the atomizing surface, and the first A resisting portion and the rigid reinforcing member respectively resist the heating element via the sealing member.
The atomizer according to claim 2, wherein the heating element comprises a sheet-like substrate, and the substrate is glass with micropore arrays, dense ceramics with micropore arrays, or porous ceramics.
The atomizer according to claim 1, characterized in that the atomizer further comprises a second abutting portion, the second abutting portion is directly or indirectly abutted against the rigid reinforcing member facing away from the One side of the atomized component.
The atomizer according to claim 10, wherein the atomizer includes a longitudinal axis, the atomization assembly includes a sheet-shaped heating element, and the plane where the heating element is located is approximately perpendicular to the longitudinal axis The heating element includes a liquid-absorbing surface connected to the liquid storage tank and an atomizing surface opposite to the liquid-absorbing surface, the liquid-absorbing surface is located on the first side, and the atomizing surface is located on the Describe the second side.
The atomizer according to claim 11, wherein the atomizer comprises a lower base disposed on the second side, the lower base comprises a first support arm and a second support arranged at intervals Arms, the first support arm and the second support arm are respectively supported on both ends of the rigid reinforcement to form the second abutting portion.
The atomizer according to claim 12, wherein an atomization chamber is formed between the first support arm and the second support arm, and the atomization surface communicates with the atomization chamber through air conduction .
The atomizer according to claim 12 or 13, characterized in that the atomizer comprises an upper base that is buckled and connected above the lower base, and the first resisting portion is formed on the upper base.
The atomizer according to claim 14, wherein the first resisting portion includes a lower liquid port connecting the liquid storage bin with the liquid suction surface.
The atomizer according to claim 1, wherein the atomizer includes a longitudinal axis, the atomization assembly includes a sheet-shaped heating element, and the plane where the heating element is located is approximately parallel to the longitudinal axis The heating element includes a liquid-absorbing surface connected to the liquid storage tank and an atomizing surface opposite to the liquid-absorbing surface, the atomizing surface is on the first side, and the liquid-absorbing surface is located on the second side.
The atomizer according to claim 16, characterized in that, the atomizer comprises an atomization cavity disposed on the first side of the atomization assembly, and the atomization cavity is formed with an atomization cavity, the atomization assembly is arranged on the side wall of the atomization cavity, and the atomization surface communicates with the atomization cavity through air.
The atomizer according to claim 17, wherein the rigid reinforcing member is buckled on the atomizing cavity and exposes the liquid-absorbing surface.
The atomizer according to claim 17, characterized in that, the side wall of the atomization chamber is provided with an installation part for installing the atomization assembly and connecting the installation part with the atomization chamber The atomizing surface of the heating element communicates with the atomizing chamber through the opening.
An electronic atomization device, characterized by comprising the atomizer according to any one of claims 1-19.