CN217446659U

CN217446659U - Electronic atomizer and atomization device thereof

Info

Publication number: CN217446659U
Application number: CN202220907241.4U
Authority: CN
Inventors: 陈平
Original assignee: Shenzhen Huachengda Precision Industry Co Ltd
Current assignee: Shenzhen Huachengda Precision Industry Co Ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-09-20
Anticipated expiration: 2032-04-19

Abstract

The utility model discloses an electronic atomizer and an atomization device thereof, the atomization device comprises a casing, an air duct, an atomization core, an air inlet component and a suction nozzle, wherein the air inlet component is connected with the lower part of the air duct, the suction nozzle is connected with the upper part of the air duct, the casing is sleeved on the periphery of the air duct, a liquid storage cavity is formed between the inner periphery of the casing and the periphery of the air duct, and the atomization core is arranged in the air duct and connected with the liquid storage cavity, so that atomized liquid in the liquid storage cavity enters the atomization core; the air inlet assembly is provided with a first air flow channel, the circumferential side face of the atomizing core is provided with a second air flow channel, the air guide pipe is provided with a third air flow channel, the first air flow channel, the second air flow channel and the third air flow channel are communicated from bottom to top, and the second air flow channel and the third air flow channel are arranged in a staggered mode. Make the air current need turn to back many times and take atomizing device out with the aerosol for the user to enjoy, this airflow channel's setting can avoid the user to inhale not atomizing complete atomized liquid, improves user's use and experiences.

Description

Electronic atomizer and atomizing device thereof

Technical Field

The utility model relates to an atomizing technology field especially relates to an electronic atomizer and atomizing device thereof.

Background

An atomising device may be used to heat atomise a liquid aerosol-generating substrate such as tobacco smoke or a liquid medicament to form an aerosol for inhalation by a user. At present common atomizing device is from admitting air to giving vent to anger, generally only has a lengthwise air guide channel, and the aerosol taste that its produced is relatively poor, and leads to not fully atomized fog such as tobacco tar or liquid medicine to enter into user's oral area along with the air current easily, influences the use and experiences.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in providing an electronic atomizer and atomizing device thereof.

The utility model provides a technical scheme that its technical problem adopted is: constructing an atomization device, which comprises a casing, an air guide tube, an atomization core, an air inlet assembly and a suction nozzle, wherein the air inlet assembly is connected with the lower part of the air guide tube, the suction nozzle is connected with the upper part of the air guide tube, the casing is sleeved on the periphery of the air guide tube, a liquid storage cavity is formed between the inner periphery of the casing and the periphery of the air guide tube, the atomization core is arranged in the air guide tube and is connected with the liquid storage cavity, and atomized liquid in the liquid storage cavity enters the atomization core;

the air inlet assembly is provided with a first air flow channel, the circumferential side face of the atomizing core is provided with a second air flow channel, the air guide pipe is provided with a third air flow channel, the first air flow channel, the second air flow channel and the third air flow channel are communicated from bottom to top, and the second air flow channel and the third air flow channel are arranged in a staggered mode.

In some embodiments, the airway tube comprises a tubular body, the lower end of the tubular body is provided with a mounting part;

the inner chamber of installation department forms the confession the holding chamber of atomizing core installation.

In some embodiments, the atomizing core comprises a liquid guiding piece and a heat generating piece arranged on the liquid guiding piece;

the liquid guide piece comprises a main body part and liquid inlet parts which are arranged at two ends of the main body part and protrude out of the circumferential side surface of the main body part, and an atomization part is formed at the part of the main body part between the liquid inlet parts;

the peripheral wall of the mounting part is provided with a liquid inlet hole which is arranged corresponding to the liquid inlet part;

the atomization part and the corresponding inner periphery of the mounting part are matched to form the second airflow channel.

In some embodiments, the liquid inlet surface of the liquid inlet portion is in close contact with the liquid inlet hole.

In some embodiments, a liquid guide is arranged in the liquid inlet hole, and an end surface of the liquid guide abuts against a liquid inlet surface of the liquid inlet portion so as to guide the atomized liquid in the liquid storage cavity into the atomizing core.

In some embodiments, the inner wall surface of the mounting portion is provided with a first limiting portion and a second limiting portion on the outer ring of the liquid inlet hole, a limiting space is formed between the first limiting portion and the second limiting portion, and the liquid inlet portion is arranged in the limiting space.

In some embodiments, the air intake assembly includes a base and an air guide; the base is connected with the lower end of the mounting part;

the air guide seat is accommodated in the base and is of a cylindrical structure, a plurality of air outlet holes are formed in the peripheral wall of the air guide seat, and the air outlet holes are communicated with the inner cavity of the air guide seat so as to form the first air flow channel in a matched mode.

In some embodiments, the base is a hollow tubular structure;

the wall surface of the inner cavity of the base extends along the axis direction to form a mounting wall, the mounting wall defines the inner cavity of the base into a first inner cavity and a second inner cavity, the first inner cavity is positioned at the upper part of the mounting wall, and the second inner cavity is positioned at the lower part of the mounting wall;

the air guide seat is installed on the installation wall through a first sealing element, and the air outlet hole is formed in the portion, located in the first inner cavity, of the air guide seat.

In some embodiments, the periphery of the air guide seat and the inner cavity wall surface of the base are provided with a preset gap;

and the wall surface of the first inner cavity, which is positioned at the outer side of the air duct, is provided with a through air guide hole.

In some embodiments, the periphery of the air guide seat is provided with a first lug boss and a second lug boss at intervals along the axial direction;

the first sealing element comprises a first sealing main body, the first sealing main body is of a tubular structure, a third bulge part and a fourth bulge part are axially arranged on the periphery of the first sealing main body at intervals, and a clamping space is formed between the third bulge part and the fourth bulge part;

the first sealing main body is sleeved between the first protruding portion and the second protruding portion, and the clamping space is clamped on the mounting wall.

In some embodiments, the base is removably connected to the lower end of the airway tube.

In some embodiments, the lower end of the mounting portion is an open structure;

the upper end of the base is in threaded connection or buckled connection with the inner circumference of the lower end of the mounting part.

In some embodiments, the mounting portion comprises a first pipe section and a second pipe section in communication, the second pipe section being connected to a lower end of the first pipe section; the inner cavity of the first pipe section forms the accommodating cavity;

the air inlet assembly comprises a second sealing element, the second sealing element comprises a second sealing main body, a fifth boss is arranged on the periphery of the second sealing main body, the lower portion of the second sealing main body is in interference fit with the first inner cavity, and the fifth boss is abutted to the upper surface of the base.

In some embodiments, the lower end of the second pipe section is provided with a limiting groove;

the periphery of base be equipped with spacing groove mutually supported's spacing arch.

In some embodiments, the second pipe section has an outer diameter greater than the outer diameter of the first pipe section to form a load-bearing portion at the peripheral connection of the first pipe section and the second pipe section;

the lower end of the shell is abutted to the upper surface of the bearing part.

In some embodiments, the suction nozzle is provided with a fourth air flow channel;

the fourth airflow channel is in communication with the third airflow channel.

In some embodiments, the mouthpiece includes a mouthpiece portion and a socket portion connected; the sleeve joint part is connected with the air duct.

In some embodiments, the sleeve joint part is sleeved on the periphery of the upper end of the air duct through a connecting piece, the upper end of the sleeve joint part is provided with a slot, and the upper end of the air duct is provided with a limiting lug extending outwards in the radial direction;

the connecting piece includes cyclic annular main part, cyclic annular main part upper end upwards extends there are spacing arm and butt arm, the upper end of spacing arm stretches into the slot, butt arm upper end butt the lower terminal surface of spacing lug, in order with the air duct with the suction nozzle combination is in the same place.

In some embodiments, the abutting arm comprises an abutting arm main body and an abutting part formed by extending towards the center of the annular main body on the upper side of the abutting arm main body, and the upper surface of the abutting part is used for abutting against the lower end surface of the limiting bump.

In some embodiments, the outer periphery of the annular body is provided with an annular protrusion;

the atomization device comprises a third sealing piece, the third sealing piece comprises a third sealing main body in an annular structure, and a first sealing bulge is arranged on the periphery of the third sealing main body;

the third sealing main body is sleeved on the periphery of the annular main body, the upper surface of the third sealing main body abuts against the lower surface of the annular bulge, and the first sealing bulge is located between the lower end of the suction nozzle and the upper end of the machine shell.

In some embodiments, a second sealing protrusion is further disposed on the outer periphery of the third sealing body, the second sealing protrusion is located below the first sealing protrusion, and when the third sealing body is sleeved on the outer periphery of the annular body, the outer periphery of the second sealing protrusion abuts against the inner wall surface of the air duct.

The utility model discloses still construct an electronic atomizer, including foretell atomizing device, and with atomizing device connect be used for to atomizing device provides the power supply unit of electric energy.

Implement the utility model discloses following beneficial effect has: the utility model discloses an atomizing device includes casing, air duct, atomizing core, air intake component and suction nozzle etc. forms first air current passageway, second air current passageway and third air current passageway in this atomizing device, just second air current passageway with the setting of staggering of third air current passageway for the air current need turn to the back many times and take out atomizing device with the aerosol and enjoy for the user, and the setting of this air current passageway can avoid the user to inhale the complete atomized liquid that does not atomize, improves user's use and experiences.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a schematic diagram of an atomizing device according to some embodiments of the present invention;

fig. 2 is an exploded view of an atomizing device in accordance with certain embodiments of the present invention;

fig. 3 is a cross-sectional view of an atomizing device in accordance with some embodiments of the present invention from a viewing angle;

fig. 4 is a cross-sectional view of an atomizing device from another perspective in some embodiments of the present invention;

FIG. 5 is a schematic view of the bottom of the airway tube in some embodiments of the invention;

fig. 6 is a schematic diagram of an atomizing core in some embodiments of the present invention;

fig. 7 is a schematic structural view of a base in some embodiments of the invention;

FIG. 8 is a schematic view of a suction nozzle according to some embodiments of the present invention;

fig. 9 is a schematic view of a connector according to some embodiments of the present invention;

fig. 10 is a cross-sectional view of a connector according to some embodiments of the present invention;

fig. 11 is a schematic view of a third seal member according to some embodiments of the present invention;

fig. 12 is a schematic view of the arrangement of the air duct, the connecting member and the third sealing member in some embodiments of the invention.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "upper", "lower", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention, but do not indicate that the device or element referred to must have a specific direction, and thus, should not be construed as limiting the present invention.

It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The utility model discloses an electronic atomizer, including atomizing device to and be connected the power supply unit who is used for providing the electric energy to atomizing device with atomizing device.

It will be appreciated that the atomiser may be releasably combined with a power supply (not shown) to form an electronic atomiser which may be used to heat atomise a liquid aerosol-generating substrate such as tobacco smoke, liquid medicine, etc. to form an aerosol for inhalation by a user. The power supply device can comprise a shell, a battery and a circuit board and the like, wherein the battery and the circuit board are arranged in the shell, and the circuit board can be connected with the battery to regulate and control the working state of the battery.

Please refer to fig. 1 to 4, which are an atomization device in some embodiments of the present invention, including a housing 1, an air duct 2, an atomization core 3, an air intake assembly 4 and a suction nozzle 5, the air intake assembly 4 is connected to a lower portion of the air duct 2, the suction nozzle 5 is connected to an upper portion of the air duct 2, the housing 1 is sleeved on an outer periphery of the air duct 2, a liquid storage cavity a is formed between an inner periphery of the housing 1 and an outer periphery of the air duct 2, the atomization core 3 is installed in the air duct 2 and is connected to the liquid storage cavity a, so that an atomized liquid in the liquid storage cavity a enters the atomization core 3.

This air intake assembly 4 is equipped with first airflow channel a, the circumference side of atomizing core 3 is equipped with second airflow channel b, air duct 2 is equipped with third airflow channel c, first airflow channel a, second airflow channel b and third airflow channel c from bottom to top intercommunication are arranged, and second airflow channel b staggers the setting or the disalignment setting with third airflow channel c, make the air current need turn to the back many times and take atomizing device out with the aerosol and enjoy for the user, this airflow channel's setting can avoid the user to inhale the complete atomized liquid of non-atomizing, improve user's use and experience.

In some embodiments, the casing 1 may be a glass casing, which may be a hollow circular tube structure, so as to be sleeved on the outer periphery of the gas guiding tube 2, and the inner periphery of the casing 1 and the outer periphery of the gas guiding tube 2 cooperate to form a liquid storage cavity a. In other embodiments, the housing 1 may be made of a hard insulating material, such as phenolic plastic, polyurethane plastic, epoxy plastic, unsaturated polyester plastic, furan plastic, silicone resin, acryl resin, etc., and modified resin thereof.

In some embodiments, the airway tube 2 includes a tubular body 21, a mounting portion 22 is provided at a lower end of the tubular body 21, a connecting portion 23 is provided at an upper end of the tubular body 21, and an inner cavity of the mounting portion 22 forms a receiving cavity B for mounting the atomizing core 3. Referring to fig. 5 and 6, in some embodiments, the atomizing core 3 includes a liquid guiding member 31 and a heat generating member 32 disposed on the liquid guiding member 31, preferably, the liquid guiding member 31 includes a main body 311 and liquid inlet portions 312 disposed at two ends of the main body 311 and protruding from circumferential sides of the main body 311, a portion of the main body 311 between the liquid inlet portions 312 forms an atomizing portion 3111, and the liquid inlet portions 312 have arc-shaped liquid inlet surfaces 3121. In some embodiments, the airway tube 2 may be made of a rigid, insulating material, such as phenolic, polyurethane, epoxy, unsaturated polyester, furan, silicone, acryl, and the like, and modified resins thereof. Alternatively, the airway tube 2 may be made of a metal piece, such as stainless steel, or aluminum and its alloys.

Preferably, the peripheral wall of the mounting portion 22 is provided with a liquid inlet hole 2211, the liquid inlet hole 2211 is disposed corresponding to the liquid inlet portion 312, and the atomizing portion 3111 cooperates with the inner periphery of the corresponding mounting portion 22 to form the second air flow passage b. Preferably, the second air flow passages b are two and formed opposite to the atomizing part 3111, respectively. The heating element 32 may include a heating element 321 and two electrode pins 322 connected to an end of the heating element 321, the heating element 321 may be embedded in the main body 311, the atomizing part 3111 may be exposed from the heating element 321, the two electrode pins 322 are a positive electrode pin and a negative electrode pin, respectively, and the electrode pins 322 are used for connecting to a power supply device.

Preferably, the liquid inlet surface 3121 of the liquid inlet portion 312 is in close contact with the liquid inlet hole 2211, so as to avoid oil leakage and liquid leakage. The liquid guiding hole 2211 is internally provided with liquid guiding body, the end surface of the liquid guiding body is abutted against the liquid inlet surface 3121 of the liquid inlet part 312 so as to guide the atomized liquid in the liquid storage cavity A into the atomizing core 3, and the liquid guiding body can be porous ceramic or liquid guiding cotton and the like. This feed liquor hole 2211 can be two feed liquor holes that form relatively this feed liquor portion 312, and a feed liquor portion 312 corresponds a feed liquor hole, and perhaps, a feed liquor portion 312 can correspond a plurality of feed liquor holes, and this feed liquor hole 2211 can be round hole, square hole or rectangular hole etc.. Understandably, this atomizing core 3 sets up to both sides feed liquor, other both sides admit air, and liquid turns to 90 degrees for the secondary, can improve atomization effect and avoid the air current to bring atomizing liquid out of atomizing device.

The liquid guiding member 31 is preferably made of porous ceramic, and it is understood that the material of the liquid guiding member 31 may be a porous material with micro-pore capillary effect, such as foamed metal, porous glass or hard glass fiber tube. Of course, the liquid guiding member 31 may also be a liquid guiding cotton, and the structure and material thereof can be selected according to the requirement, which is not limited specifically here.

The material of the heating body 321 may be a metal material having an appropriate resistance, a metal alloy, graphite, carbon, a conductive ceramic or other ceramic material, and a composite material of the metal material. Suitable resistive metal or alloy materials include at least one of nickel, cobalt, zirconium, titanium, nickel alloys, cobalt alloys, zirconium alloys, titanium alloys, nickel-chromium alloys, nickel-iron alloys, iron-chromium-aluminum alloys, titanium alloys, iron-manganese-aluminum based alloys, or stainless steel, among others.

In some embodiments, a first limiting portion 2212 and a second limiting portion 2213 are disposed on the outer ring of the liquid inlet hole 2211 on the inner wall surface of the mounting portion 22, a limiting space C is formed between the first limiting portion 2212 and the second limiting portion 2213, and the liquid inlet portion 312 is disposed in the limiting space C, which is used for limiting the atomizing core 3, so as to avoid the situation of oil leakage and liquid leakage caused by displacement of the atomizing core 3 during assembly or use.

Referring to fig. 2-5 and 7, in some embodiments, the intake assembly 4 includes a base 41 and an air guide seat 42, and the base 41 is connected to the lower end of the mounting portion 22.

The air guide seat 42 is accommodated in the base 41, the air guide seat 42 is in a cylindrical structure, the air guide seat 42 may include a top wall and a peripheral wall formed by extending the periphery of the top wall downwards, the peripheral wall of the air guide seat 42 is provided with a plurality of air outlet holes 421, the air outlet holes 421 are communicated with the inner cavity of the air guide seat 42 to form a first air flow channel a in a matching manner, that is, external air flow can enter the inner cavity of the air guide seat 42 and flow out of the air outlet holes 421 to flow to the accommodating cavity B to be communicated with a second air flow channel B. The air outlets 421 may be a plurality of air outlets 421, for example, three or four air outlets 421 are arranged at intervals, and the number of the air outlets 421 may be selected according to actual requirements, which is not specifically limited herein.

Preferably, the base 41 is a hollow tubular structure, the wall surface of the inner cavity of the base 41 extends along the axial direction thereof to form an installation wall 411, the installation wall 411 defines the inner cavity of the base 41 into a first inner cavity 412 and a second inner cavity 413, the first inner cavity 412 is located at the upper part of the installation wall 411, the second inner cavity 413 is located at the lower part of the installation wall 411, wherein the air guide seat 42 is installed on the installation wall 411 through the first sealing member 43, and the part of the air guide seat 42 located in the first inner cavity 412 is provided with the air outlet 421.

Preferably, a predetermined gap is left between the periphery of the air guide seat 42 and the wall surface of the inner cavity of the base 41, so that an air flow space is formed between the air guide seat 42 and the base 41, the air flow space is communicated with the accommodating cavity B, and the wall surface of the first inner cavity 412, which is located at the outer side of the air guide tube 2, is provided with a through air guide hole 4121, so that external air can enter the air flow space through the air guide hole 4121 and then enter the accommodating cavity B.

In some embodiments, the outer circumference of the air guide seat 42 is provided with a first protrusion 422 and a second protrusion 423 at an interval in the axial direction, the first sealing member 43 includes a first sealing body 431, the first sealing body 431 is of a tubular structure, the outer circumference of the first sealing body 431 is provided with a third protrusion 432 and a fourth protrusion 433 at an interval in the axial direction, a clamping space is formed between the third protrusion 432 and the fourth protrusion 433, wherein the first sealing body 431 is sleeved between the first protrusion 422 and the second protrusion 423, and the clamping space is clamped by the mounting wall 411 to improve air tightness, and the electrode pin 322 may be inserted through the first sealing member 43 to connect with a power supply device. Preferably, the base 41 and the air guide seat 42 may be made of high molecular polymer, or may be made of metal.

Preferably, the first sealing member 43 may be a silicone member. In other embodiments, the first seal 43 is a silicone plug.

Preferably, the base 41 is detachably connected to the lower end of the airway tube 2, such as by a screw connection or a snap connection.

Further, the lower end of the mounting portion 22 is an open structure, and the upper end of the base 41 is screwed or snapped to the inner circumference of the lower end of the mounting portion 22. If a screw connection is possible, the inner wall surface of the lower end of the mounting portion 22 may be provided with a first screw portion 2214, and correspondingly, the outer circumference of the base 41 may be provided with a second screw portion 415, which are screw-connected. Of course, the connection mode of the base 41 and the mounting portion 22 may be other modes, and is not limited specifically here.

In some embodiments, the mounting portion 22 includes a first pipe section 221 and a second pipe section 222 which are communicated with each other, the second pipe section 222 is connected to the lower end of the first pipe section 221, and the inner cavity of the first pipe section 221 forms the accommodating cavity B.

The intake assembly 4 includes a second sealing member 44, the second sealing member 44 includes a second sealing body 441, the second sealing body 441 is substantially tubular, a fifth protrusion 442 is disposed on an outer circumference of the second sealing body 441, a lower portion of the second sealing body 441 is in interference fit with the first inner cavity 412, and the fifth protrusion 442 abuts against an upper surface of the base 41. It is understood that the lower portion of the second sealing body 441 extends into the first cavity 412, the lower surface of the fifth protrusion 442 abuts against the upper surface of the base 41, the second sealing member 44 is used to improve the air tightness of the device, and the second sealing member 44 may be a silicon member. In other embodiments, the second seal 44 may be a silicone plug.

Preferably, the lower end of the second pipe section 222 is provided with a limiting groove 2221, and the outer circumference of the base 41 is provided with a limiting protrusion 414 which is matched with the limiting groove 2221, and the two are limited by steps.

In some embodiments, the outer diameter of the second pipe section 222 is larger than that of the first pipe section 221, so as to form a bearing portion 2222 at the outer circumferential connection of the first pipe section 221 and the second pipe section 222, and the lower end of the casing 1 abuts against the upper surface of the bearing portion 2222, or the lower end of the casing 1 may be in threaded connection with one end of the bearing portion 2222.

In some embodiments, the connection between the first pipe section 221 and the tubular body 21 may be an inclined surface.

In some embodiments, the outer periphery of the first pipe section 221 may be provided with a plurality of annular protrusions, and the annular protrusions may abut against the inner wall surface of the casing 1 to improve the fixing and air tightness, or a sealing ring, such as a silicone ring, may be sleeved between adjacent annular protrusions to improve the air tightness.

Referring to fig. 3 to 4 and 8 to 12 together, in some embodiments, the suction nozzle 5 is provided with a fourth air flow channel d, which is communicated with the third air flow channel c and can be coaxially arranged with the third air flow channel c.

Preferably, the suction nozzle 5 comprises a suction nozzle portion 51 and a socket portion 52 connected with each other, the socket portion 52 may be formed to extend downward from a lower end of the suction nozzle portion 51, preferably, the suction nozzle portion 51 has a smaller cross-sectional size than the socket portion 52, and the socket portion 52 is connected with the airway tube 2.

In some embodiments, the socket 52 is sleeved on the outer periphery of the upper end of the airway tube 2 through the connecting piece 6, the upper end of the socket 52 is provided with a slot 521, the upper end of the airway tube 2 is provided with a radially outwardly extending limit projection 231, preferably, the limit projection 231 is formed on the upper portion of the connecting portion 23, and the outer periphery of the connecting portion 23 can also be provided with a first sealing projection 232 and a third sealing projection 233 at intervals.

Referring to fig. 8, the inner wall surface of the socket 52 is provided with a first limiting step 522 and a second limiting step 523, and an insertion groove 521 is formed between the first limiting step 522 and the second limiting step 523.

Preferably, a cylindrical portion 524 protruding downward is disposed at a central position of the socket portion 52, and the first and second limit steps 522 and 523 form the slot 521 in cooperation with the wall surface, the inner wall surface of the socket portion 52 and the circumferential wall surface of the cylindrical portion 524.

Preferably, the opposite first limit steps 522 are connected by a third limit step 525, where the opposite is the two left and right first limit steps 522 shown in fig. 8, and the upper portion of the airway tube 2 abuts against the side edge of the third limit step 525 to form a limit. Preferably, the peripheral edge of the limit projection 231 abuts against the side edge of the third limit step 525. In some embodiments, the circumference of the limiting protrusion 231 is arc-shaped or has a certain curvature to form a guiding surface.

Referring to fig. 9 and 10, the connecting member 6 includes a ring-shaped main body 61, two limit arms 62 and two abutting arms 63 extend upward from the upper end of the ring-shaped main body 61, the two limit arms 62 are oppositely disposed, the two abutting arms 63 are oppositely disposed, the upper end of the limit arm 62 extends into the slot 521, and the upper end of the abutting arm 63 abuts against the lower end face of the limit projection 231, so as to combine (fixedly connect) the air duct 2 and the suction nozzle 5 together.

Preferably, the abutting arm 63 includes an abutting arm main body 631 and an abutting portion 632 formed by extending from the upper side of the abutting arm main body 631 to the center of the annular main body 61, the upper surface of the abutting portion 632 is used to abut against the lower end surface of the limit protrusion 231, and the side surface of the abutting portion 632 facing the center of the annular main body 61 may have a certain arc to fit the outer circumference of the upper end of the air guide tube 2.

Preferably, the first and third seal projections 232, 233 abut against the inner wall surface of the annular body 61. Preferably, the outer circumference of the connection portion 23 between the first sealing protrusion 232 and the third sealing protrusion 233 may be sleeved with a sealing ring.

Preferably, the outer periphery of the annular main body 61 is provided with an annular protrusion 611, the atomization device comprises a third sealing member 7, the third sealing member 7 comprises a third sealing main body 71 in an annular structure, the outer periphery of the third sealing main body 71 is provided with a first sealing protrusion 72, the third sealing main body 71 is sleeved on the outer periphery of the annular main body 61, the upper surface of the third sealing main body 71 abuts against the lower surface of the annular protrusion 611, and the first sealing protrusion 72 is located between the lower end of the suction nozzle 5 and the upper end of the casing 1 to connect the upper end of the casing 1, the upper end of the air duct 2 and the suction nozzle 5 and seal the casing 1.

Preferably, the third sealing body 71 is further provided with a second sealing protrusion 73 on the outer periphery thereof, the second sealing protrusion 73 is located below the first sealing protrusion 72, and when the third sealing body 71 is sleeved on the outer periphery of the annular body 61, the outer periphery of the second sealing protrusion 73 abuts against the inner wall surface of the airway tube 2. The third seal 7 is a silicone.

It is understood that the above examples only represent preferred embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. An atomizing device is characterized by comprising a machine shell (1), an air guide pipe (2), an atomizing core (3), an air inlet assembly (4) and a suction nozzle (5), wherein the air inlet assembly (4) is connected with the lower part of the air guide pipe (2), the suction nozzle (5) is connected with the upper part of the air guide pipe (2), the machine shell (1) is sleeved on the periphery of the air guide pipe (2), a liquid storage cavity (A) is formed between the inner periphery of the machine shell (1) and the periphery of the air guide pipe (2), the atomizing core (3) is installed in the air guide pipe (2) and is connected with the liquid storage cavity (A), and atomized liquid in the liquid storage cavity (A) enters the atomizing core (3);

the air inlet assembly (4) is provided with a first air flow channel (a), the circumferential side face of the atomizing core (3) is provided with a second air flow channel (b), the air guide pipe (2) is provided with a third air flow channel (c), the first air flow channel (a), the second air flow channel (b) and the third air flow channel (c) are communicated from bottom to top, and the second air flow channel (b) and the third air flow channel (c) are arranged in a staggered mode.

2. An atomisation device according to claim 1, characterised in that the airway tube (2) comprises a tubular body (21), the lower end of the tubular body (21) being provided with a mounting portion (22);

the inner chamber of installation department (22) forms the confession holding chamber (B) of atomizing core (3) installation.

3. The atomizing device according to claim 2, characterized in that the atomizing core (3) comprises a liquid guide (31) and a heat generating member (32) provided on the liquid guide (31);

the liquid guide piece (31) comprises a main body part (311) and liquid inlet parts (312) which are arranged at two ends of the main body part (311) and protrude out of the circumferential side surface of the main body part (311), and an atomizing part (3111) is formed in the part, located between the liquid inlet parts (312), of the main body part (311);

the peripheral wall of the mounting part (22) is provided with a liquid inlet hole (2211), and the liquid inlet hole (2211) is arranged corresponding to the liquid inlet part (312);

the atomization part (3111) and the inner periphery of the corresponding mounting part (22) are matched to form the second airflow channel (b).

4. The atomizing device according to claim 3, characterized in that the liquid inlet surface (3121) of the liquid inlet portion (312) is in close contact with the liquid inlet hole (2211).

5. The atomizing device according to claim 3, characterized in that a liquid guide is provided in the liquid inlet hole (2211), and an end surface of the liquid guide abuts against a liquid inlet surface (3121) of the liquid inlet portion (312) to guide the atomized liquid in the liquid storage chamber (A) into the atomizing core (3).

6. The atomizing device according to any one of claims 3 to 5, characterized in that a first stopper portion (2212) and a second stopper portion (2213) are provided on the inner wall surface of the mounting portion (22) at the outer ring of the liquid inlet hole (2211), a stopper space (C) is formed between the first stopper portion (2212) and the second stopper portion (2213), and the liquid inlet portion (312) is provided in the stopper space (C).

7. Nebulising device according to claim 6, characterized in that the air intake assembly (4) comprises a base (41) and an air-guide seat (42); the base (41) is connected with the lower end of the mounting part (22);

the air guide seat (42) is contained in the base (41), the air guide seat (42) is of a cylindrical structure, a plurality of air outlet holes (421) are formed in the peripheral wall of the air guide seat (42), and the air outlet holes (421) are communicated with an inner cavity of the air guide seat (42) to form the first air flow channel (a) in a matching mode.

8. Atomisation device according to claim 7 characterised in that the base (41) is a hollow tubular structure;

the inner cavity wall surface of the base (41) extends along the axial center direction to form an installation wall (411), the installation wall (411) limits the inner cavity of the base (41) into a first inner cavity (412) and a second inner cavity (413), the first inner cavity (412) is positioned at the upper part of the installation wall (411), and the second inner cavity (413) is positioned at the lower part of the installation wall (411);

the air guide seat (42) is installed on the installation wall (411) through a first sealing element (43), and the air outlet hole (421) is formed in the part, located in the first inner cavity (412), of the air guide seat (42).

9. The atomizing device according to claim 8, characterized in that a predetermined gap is left between the outer periphery of the air guide seat (42) and the inner cavity wall surface of the base (41);

the wall surface of the first inner cavity (412) positioned at the outer side of the air duct (2) is provided with a through air guide hole (4121).

10. The atomizing device according to claim 8, characterized in that the outer periphery of the air guide seat (42) is provided with a first boss (422) and a second boss (423) at an interval in the axial direction;

the first sealing element (43) comprises a first sealing main body (431), the first sealing main body (431) is of a tubular structure, a third protruding part (432) and a fourth protruding part (433) are arranged on the outer periphery of the first sealing main body (431) at intervals along the axial direction, and a clamping space is formed between the third protruding part (432) and the fourth protruding part (433);

the first sealing body (431) is sleeved between the first boss (422) and the second boss (423), and the clamping space is clamped on the mounting wall (411).

11. Nebulising device according to claim 10, characterised in that the seat (41) is removably associated with the lower end of the duct (2).

12. The atomizing device according to claim 11, characterized in that the lower end of the mounting portion (22) is of an open configuration;

the upper end of the base (41) is in threaded connection or buckled connection with the inner periphery of the lower end of the mounting part (22).

13. The atomizing device according to claim 11, characterized in that the mounting portion (22) includes a first pipe segment (221) and a second pipe segment (222) that communicate, the second pipe segment (222) being connected to a lower end of the first pipe segment (221); the inner cavity of the first pipe section (221) forms the accommodating cavity (B);

the air inlet assembly (4) comprises a second sealing element (44), the second sealing element (44) comprises a second sealing main body (441), a fifth bulge (442) is arranged on the periphery of the second sealing main body (441), the lower portion of the second sealing main body (441) is in interference fit with the first inner cavity (412), and the fifth bulge (442) abuts against the upper surface of the base (41).

14. The atomizing device according to claim 13, characterized in that the lower end of the second tube section (222) is provided with a limiting groove (2221);

the periphery of the base (41) is provided with a limiting bulge (414) which is matched with the limiting groove (2221).

15. The atomising device according to claim 13 characterized in that the outer diameter of the second tube section (222) is larger than the outer diameter of the first tube section (221) to form a bearing (2222) at the peripheral connection of the first tube section (221) and the second tube section (222);

the lower end of the machine shell (1) abuts against the upper surface of the bearing part (2222).

16. Nebulising device according to claim 1, characterized in that the suction nozzle (5) is provided with a fourth air flow channel (d);

the fourth air flow passage (d) communicates with the third air flow passage (c).

17. Atomisation device according to claim 16 characterized in that the mouthpiece (5) comprises a mouthpiece part (51) and a socket part (52) connected; the sleeve joint part (52) is connected with the air duct (2).

18. The atomizing device according to claim 17, characterized in that the sleeve-joint portion (52) is sleeved on the periphery of the upper end of the air duct (2) through a connecting piece (6), the upper end of the sleeve-joint portion (52) is provided with a slot (521), and the upper end of the air duct (2) is provided with a limiting bump extending radially outwards;

the connecting piece (6) comprises an annular main body (61), a limiting arm (62) and an abutting arm (63) extend upwards from the upper end of the annular main body (61), the upper end of the limiting arm (62) extends into the inserting groove (521), and the upper end of the abutting arm (63) abuts against the lower end face of the limiting protruding block, so that the air duct (2) and the suction nozzle (5) are combined together.

19. The atomizing device according to claim 18, characterized in that the abutment arm (63) includes an abutment arm body (631) and an abutment portion (632) formed extending toward the center of the annular body (61) on the upper side of the abutment arm body (631), and the upper surface of the abutment portion (632) is used to abut against the lower end surface of the limit projection.

20. Atomisation device according to claim 18 characterised in that the outer circumference of the annular body (61) is provided with an annular projection (611);

the atomization device comprises a third sealing piece (7), the third sealing piece (7) comprises a third sealing main body (71) in an annular structure, and a first sealing bulge (72) is arranged on the periphery of the third sealing main body (71);

the third sealing main body (71) is sleeved on the periphery of the annular main body (61), the upper surface of the third sealing main body (71) abuts against the lower surface of the annular protrusion (611), and the first sealing protrusion (72) is located between the lower end of the suction nozzle (5) and the upper end of the machine shell (1).

21. The atomizing device according to claim 20, characterized in that a second sealing protrusion (73) is further disposed on an outer periphery of the third sealing body (71), the second sealing protrusion (73) is located below the first sealing protrusion (72), and when the third sealing body (71) is sleeved on an outer periphery of the annular body (61), the outer periphery of the second sealing protrusion (73) abuts against an inner wall surface of the air duct (2).

22. An electronic atomiser comprising an atomising device according to any one of claims 1 to 21 and a power supply means connected to the atomising device for supplying electrical power to the atomising device.