CN221489081U

CN221489081U - Electronic atomization device and atomizer thereof

Info

Publication number: CN221489081U
Application number: CN202290000141.1U
Authority: CN
Inventors: 曾祥龙; 杨纪永
Original assignee: Shenzhen Smoore Technology Ltd
Current assignee: Shenzhen Smoore Technology Ltd
Priority date: 2021-09-14
Filing date: 2022-09-13
Publication date: 2024-08-09
Anticipated expiration: 2032-09-13
Also published as: CN113892696A; CN115804480B; CN115804480A; CN221128829U; CN120982800A; WO2023040836A1; WO2023040837A1; CN115918987A

Abstract

An electronic atomization device (1) and an atomizer (100) thereof, the atomizer (100) comprising: a housing (10) having a liquid storage chamber (110) formed therein; a heating seat (40) received in the housing (10); and an atomization assembly (50) at least partially received in the heating seat (40) and comprising a liquid suction surface (512). The liquid suction surface (512) is arranged parallel to or at an angle with the axis of the atomizer (100). An end surface of the heating seat (40) facing the liquid storage chamber (110) is concavely formed with a lower liquid port (420), the lower liquid port (420) comprising a main lower liquid port (421) and at least one extended lower liquid port (422) extending outward from at least one side of the main lower liquid port (421), and a lower liquid hole (410) connecting the main lower liquid port (421) with the liquid suction surface (512) is also formed in the heating seat (40). By enlarging the liquid discharge area of the liquid discharge port (422), the liquid conduction capacity of the liquid discharge port (422) is enhanced, the risk of burning smell caused by poor liquid discharge is reduced, and less liquid matrix remains at the end of the extraction.

Description

Electronic atomizing device and atomizer thereof

Technical Field

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

Background

The electronic atomizing device is used for heating and atomizing the atomized liquid matrix to generate aerosol for absorption. The conventional electronic atomization device has the advantages that an atomization surface of an atomization assembly is laterally or obliquely arranged, a lower liquid hole for conveying a liquid matrix to the atomization assembly is generally designed into a long strip shape, the lower liquid area is small, more liquid matrix is easy to remain when the liquid matrix is pumped to the last stage (namely, the liquid matrix in a liquid storage cavity is about to be used up), and the risk of burnt smell caused by unsmooth lower liquid exists.

Disclosure of utility model

The utility model aims to solve the technical problem of providing an improved atomizer and an electronic atomization device with the atomizer aiming at the defects in the prior art.

The technical scheme adopted for solving the technical problems is as follows: a nebulizer is constructed, comprising:

A housing having a liquid storage chamber formed therein;

The heating seat is accommodated in the shell; and

The atomizing assembly is at least partially accommodated in the heating seat and comprises a liquid suction surface;

The liquid suction surface is parallel to the axis of the atomizer or is arranged at an included angle;

The heating seat is inwards concave towards one end face of the liquid storage cavity to form a liquid outlet, the liquid outlet comprises a main liquid outlet and at least one extended liquid outlet which is outwards extended from at least one side of the main liquid outlet, and a liquid outlet hole which is communicated with the liquid suction surface and is used for communicating the main liquid outlet is formed in the heating seat.

In some embodiments, the cross-sectional area of the downcomer is more than one-fourth of the cross-sectional area of the reservoir.

In some embodiments, the cross-sectional area of the downcomer is more than one half of the cross-sectional area of the reservoir.

In some embodiments, the bottom surface of the at least one expanding downcomer is inclined towards the main downcomer so that liquid matrix within the at least one expanding downcomer can flow towards the main downcomer under the influence of gravity.

In some embodiments, the at least one expanding downcomer includes at least two expanding downcomer openings, the at least two expanding downcomer openings having the same or different cross-sectional areas.

In some embodiments, the downcomer further comprises a communicating downcomer communicating the at least two expanding downcomer.

In some embodiments, the bottom surface of the cavity of the communicating port is inclined to enable the liquid matrix in the communicating port to flow to the at least two expanding ports under the force of gravity.

In some embodiments, the cross-sectional area of the downcomer aperture is less than the cross-sectional area of the downcomer aperture.

In some embodiments, the axis of the weep hole is parallel to or at an angle to the liquid suction surface.

In some embodiments, the atomizer further comprises a sealing sleeve accommodated in the shell and sleeved on the heating seat, and a liquid inlet communicated with the liquid outlet is formed on the sealing sleeve.

In some embodiments, the inlet and the outlet are the same in cross-sectional shape and size.

In some embodiments, the sealing sleeve further comprises a covering portion disposed within the liquid inlet and covering at least a portion of the liquid outlet.

In some embodiments, the cover portion covers at least a portion of the main drain opening.

In some embodiments, the at least one extension drain includes two extension drains, one on each of opposite sides of the main drain.

In some embodiments, the cover portion separates the inlet into two sub-inlets that are not in communication with each other, the cover portion covering a portion of the main inlet and extending at least partially into the main inlet.

In some embodiments, the cover portion separates the inlet into at least one auxiliary inlet in communication with the main outlet and at least one main inlet in communication with the at least one extension outlet.

In some embodiments, the atomizing assembly further comprises an atomizing surface, an air inlet channel communicated with the atomizing surface is further formed in the shell, and the axis of the air inlet channel is parallel to or forms an included angle with the atomizing surface.

In some embodiments, the atomizer further comprises a base at least partially received within the housing, the atomizing assembly being received between the heat generating base and the base.

The utility model also provides an electronic atomising device comprising an atomiser as claimed in any one of the preceding claims.

The implementation of the utility model has at least the following beneficial effects: by enlarging the liquid volume of the liquid outlet, the liquid guiding capacity of the liquid outlet is enhanced, the scorched smell risk caused by unsmooth liquid outlet is reduced, and the liquid matrix is less left when pumped to the end.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic perspective view of an electronic atomizing device according to some embodiments of the present disclosure;

FIG. 2 is a schematic view of an exploded structure of the electronic atomizing device shown in FIG. 1;

FIG. 3 is a schematic longitudinal cross-sectional view of the atomizer of FIG. 2;

FIG. 4 is a schematic perspective view of the atomizing body of FIG. 3;

FIG. 5 is a schematic view of a longitudinal cross-sectional A-A of the atomizing body shown in FIG. 4;

FIG. 6 is a schematic view of a longitudinal cross-sectional B-B configuration of the atomizing body shown in FIG. 4;

FIG. 7 is an exploded view of the atomizing body of FIG. 5;

FIG. 8 is a schematic view of an alternate angled exploded view of the atomizing body of FIG. 5;

FIG. 9 is a schematic perspective view of a heat generating seat according to an alternative embodiment of the present utility model;

FIG. 10 is a schematic perspective view of the atomization body in a first alternative of the utility model;

fig. 11 is a schematic view of a longitudinal sectional structure of the atomizing body shown in fig. 10;

Figure 12 is a schematic perspective view of a sealing sleeve in a second alternative of the utility model;

figure 13 is a schematic perspective view of a sealing sleeve according to a third alternative of the utility model.

Detailed Description

For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "width," "thickness," "front," "rear," "upper," "lower," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship in which the product of the present utility model is conventionally put in use, merely for convenience of describing the present utility model and for simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above" a second feature may be that the first feature is directly above or obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature being "under" the second feature may be the first feature being directly under or obliquely under the second feature, or simply indicating that the first feature is level less than the second feature.

Fig. 1-2 show an electronic atomizing device 1 in a first embodiment of the present utility model, the electronic atomizing device 1 comprising an atomizer 100 and a power supply device 200 cooperatively connected with the atomizer 100. The power supply device 200 typically includes a battery for powering the atomizer 100 and a control circuit for controlling the heat generation of the atomizer 100. The atomizer 100 is for receiving a liquid substrate and heating the liquid substrate to atomize upon energization to generate an aerosol. In some embodiments, the atomizer 100 and the power supply 200 may each have a generally oval cylindrical shape and may be mechanically and electrically connected together in an axial direction. Further, the atomizer 100 and the power supply device 200 may be detachably connected together by magnetic connection, screw connection, snap connection, or the like. It will be appreciated that in other embodiments, the atomizer 100 and the power supply means 200 may be connected together in a non-detachable manner. The cross-sectional shape of the atomizer 100 and/or the power supply 200 is not limited to an elliptical shape, and may have a circular shape, a racetrack shape, or a rectangular shape.

As shown in fig. 3, the atomizer 100 may include a housing 10 and an atomizing body 20 at least partially received in a lower portion of the housing 10. A liquid storage chamber 110 for receiving a liquid substrate and an output passage 120 isolated from the liquid storage chamber 110 for delivering an aerosol are formed in the housing 10. The output channel 120 may extend in a longitudinal direction, and an output port 121 communicating with the outside is provided at an upper end of the output channel 120. The atomizing body 20 includes a base 30, a heat generating base 40 mated with the base 30, and an atomizing assembly 50 received between the base 30 and the heat generating base 40. The atomizing assembly 50 is in fluid communication with the reservoir 110 and in fluid communication with the output channel 120, and when a user draws at the output 121, the atomizing assembly 50 atomizes the liquid matrix to form an aerosol, which in turn reaches the output 121 through the output channel 120 for absorption by the user.

In some embodiments, the housing 10 may be integrally formed by injection molding, etc., and may include a cylindrical housing 11 and a ventilation duct 12 disposed longitudinally within the cylindrical housing 11. The cylindrical housing 11 may have a substantially elliptical cylindrical shape with an opening at a lower end, and the ventilation duct 12 may be integrally connected to a ceiling wall of the cylindrical housing 11. The inner wall surface of the air duct 12 defines an output passage 120, and a liquid storage chamber 110 is defined between the outer wall surface of the air duct 12 and the inner wall surface of the cylindrical housing 11.

As shown in fig. 3 to 8, the atomizing assembly 50 includes a liquid absorbing body 51 and a heat generating body 52 in contact with the liquid absorbing body 51. In some embodiments, the liquid-absorbing body 51 may be made of a porous ceramic material, such that a plurality of micropores are formed in the interior of the liquid-absorbing body 51 and have a certain porosity, so that the liquid-absorbing body 51 can absorb and buffer the liquid matrix by capillary action of the micropores. The liquid suction surface 51 has an atomizing surface 511 and a liquid suction surface 512, the liquid suction surface 512 communicates with the liquid storage chamber 110, and the atomizing surface 511 is in contact with the heating element 52. The liquid suction body 51 sucks the liquid medium from the liquid storage chamber 110 through the liquid suction surface 512, and guides the liquid medium to the atomizing surface 511, and the heat generating body 52 heats and atomizes the liquid medium sucked by the liquid suction body 51 after being energized.

An air inlet passage 310 and an atomization chamber 510 are formed in the atomization body 20, and the atomization chamber 510 communicates with the air inlet passage 310 and the output passage 120, respectively. The atomizing face 511 is exposed in the atomizing chamber 510, which may define a portion of the boundary of the atomizing chamber 510. When the heat-generating body 52 generates heat, the liquid matrix on the atomizing surface 511 and the liquid matrix infiltrated on the heat-generating body 52 absorb the heat to be atomized into aerosol, and the aerosol is discharged into the atomizing chamber 510. When the user inhales, ambient air input into the nebulization chamber 510 from the intake channel 310 carries aerosol into the output channel 120 and to the output port 121 for absorption by the user.

In the present embodiment, the liquid absorbent 51 may have a substantially rectangular plate shape with a relatively thin thickness. The atomizing surface 511 and the liquid suction surface 512 may be two surfaces of the liquid suction body 51 which are disposed opposite to each other in the thickness direction. The liquid suction 51 may be disposed in a vertical direction, such that the atomizing surface 511 and the liquid suction surface 512 are disposed in a vertical direction, and the atomizing surface 511 and the liquid suction surface 512 are parallel to an axial direction of the atomizer 100, an axial direction of the housing 10, an axial direction of the liquid storage chamber 110, and an axial direction of the output passage 120. In other embodiments, the liquid absorbing body 51 is not limited to a rectangular plate shape. In other embodiments, the liquid absorbing body 51 may be disposed at an angle with respect to the axial direction of the atomizer 100, such that the atomizing surface 511 and the liquid absorbing surface 512 are disposed at an angle with respect to the axial direction of the atomizer 100, for example, at an angle of less than 90 °. Further, the positions of the atomizing surface 511 and the liquid suction surface 512 are not limited, and for example, the atomizing surface 511 and the liquid suction surface 512 may be two adjacent surfaces of the liquid suction body 51, and for example, the atomizing surface 511 or the liquid suction surface 512 may include one surface in the thickness direction of the liquid suction body 51 and one or more side surfaces adjacent to the one surface.

The heating body 52 may include a heating portion 521 and two electrode portions 522 connected to both ends of the heating portion 521, respectively. The heat generating portion 521 is connected to an external power source through two electrode portions 522, and generates heat after being energized. The two electrode portions 522 may be disposed near two side edges of the atomizing surface 511 in the longitudinal direction, and the heat generating portion 521 may extend between the two electrode portions 522 in a nonlinear manner, for example, in an S-shape or a zigzag shape, so as to be beneficial to increasing the heat generating area of the heat generating portion 521.

In some embodiments, the heating element 52 may be a heating film, which may be formed on a blank of the liquid absorbing body 51 by using a conductive paste through silk-screen printing, printing or spraying, and then integrally sintered with the liquid absorbing body 51. In other embodiments, the heat-generating body 52 may be a heat-generating body structure such as a metal heat-generating sheet or a metal heat-generating wire, which is formed separately, and then bonded to the liquid-absorbing body 51 by sintering or the like.

In some embodiments, the atomizing assembly 50 may further include a liquid guide 53, the liquid guide 53 being in contact with the liquid-absorbing surface 512, which is capable of rapidly and uniformly conducting the liquid matrix from the liquid reservoir 110 to the liquid-absorbing surface 512. In some embodiments, the liquid guiding member 53 may be made of porous ceramic, liquid guiding cotton, or other porous materials, and may have a rectangular plate shape. The projection of the liquid guide 53 onto the atomizing face 511 can cover the heat generating part 521 entirely or at least a large part of the heat generating part 521, so that the liquid medium can be supplied to the heat generating part 521 quickly.

In some embodiments, the atomizing assembly 50 may further include a seal 54, and the wick 51, and the liquid guide 53 may each be mounted to the seal 54. The sealing member 54 may be made of an insulating elastic high temperature resistant material such as silica gel. The seal 54 prevents leakage on the one hand and on the other hand protects the suction body 51 from crushing during installation. It will be appreciated that in other embodiments, the atomizing assembly 50 may not include the liquid guide 53 and/or the seal 54.

In some embodiments, the seal 54 may have a rectangular annular structure, which may include an end wall 541 and an annular wall 542 extending from a periphery of the end wall 541 to one side in a thickness direction thereof. The liquid guide 53 is accommodated in the annular wall 542 and abuts against the end wall 541, and the liquid suction body 51 is accommodated in the annular wall 542 and abuts against the end wall 541 via the liquid guide 53. The end wall 541 is provided with a liquid inlet 540 penetrating through the thickness direction, so that the liquid medium in the liquid storage cavity 110 can be absorbed by the liquid guide 53 through the liquid inlet 540. Preferably, the projection of the liquid inlet 540 onto the atomizing surface 511 can cover the heat generating part 521 completely or at least cover most of the heat generating part 521, so that the liquid matrix can be supplied to the heat generating part 521 quickly.

The atomizing assembly 50 can be at least partially accommodated in the heating seat 40, and a liquid discharging channel 45 for communicating the liquid storage cavity 110 with the liquid suction surface 512 is further formed on the heating seat 50. The heating seat 40 is disposed above the base 30, and the heating seat 40 is matched with the base 30 to fix the atomizing assembly 50. The heat generating seat 40 may include a socket portion 42 and a body portion 41 extending downward from a lower end surface of the socket portion 42. In the present embodiment, the length and width of the socket portion 42 are greater than the length and width of the main body portion 41, respectively. The main body 41 has a side peripheral surface 411, and the side peripheral surface 411 is formed with a cavity 412 recessed inward, so that the cavity 412 has an opening on the side peripheral surface 411, and the atomizing assembly 50 can be fitted into the cavity 412 from the opening. A liquid inlet 413 is also formed in the wall of the chamber 412, so that the liquid medium can be adsorbed by the liquid guide 53 through the liquid inlet 413. In the present embodiment, the liquid inlet 413 is located on the bottom surface of the cavity 412 opposite to the side peripheral surface 411. The liquid inlet 413 communicates with the liquid inlet 540, and the opening size (length and width dimensions) of the liquid inlet 413 may be identical or substantially identical to the opening size (length and width dimensions) of the liquid inlet 540.

A lower liquid port 420 is formed on the upper end surface of the sleeve joint portion 42 in a concave manner, and a lower liquid hole 410 communicating the lower liquid port 420 with a liquid inlet 413 is formed in the heating seat 40. The lower liquid port 420, the lower liquid hole 410 and the liquid inlet 413 are sequentially communicated to form a lower liquid channel 45. The cross-sectional area of the liquid outlet 420 may occupy more than 1/4 of the cross-sectional area of the liquid storage cavity 110, so that the liquid outlet 420 has a larger liquid outlet area, the liquid guiding capability of the liquid outlet is enhanced, the unsmooth liquid outlet is avoided, the scorched smell risk is reduced, and the liquid matrix is less left when pumped to the end. Preferably, the cross-sectional area of the drain port 420 is greater than 1/2 of the cross-sectional area of the reservoir 110, ensuring that the drain volume is sufficiently large and that the drain is smoother. The lower liquid hole 410 extends in a vertical direction, and an axis of the lower liquid hole 410 may be parallel to an axis of the atomizer 100. The cross-sectional area of the liquid outlet 410 is smaller than that of the liquid outlet 420, so that the heating seat 40 has enough structural strength on one hand and enough space for accommodating the atomizing assembly 50 in a limited structural space on the other hand.

In some embodiments, the downcomer port 420 may include a main downcomer port 421 and at least one expanding downcomer port 422 extending outwardly from at least one side of the main downcomer port 421. The at least one extended downcomer 422 is in communication with the main downcomer 421 and is primarily configured to increase the downcomer area of the downcomer 420 and direct the liquid substrate to the main downcomer 421. The weep hole 410 may extend longitudinally downward from the main weep hole 421.

In the present embodiment, the drain 420 has a substantially butterfly shape, and may include a main drain 421 and two expansion drains 422. The cross section of the main liquid outlet 421 is in a long strip shape and can extend along the length direction of the sleeving part 42, the two extension liquid outlets 422 respectively extend outwards from two sides of the length of the main liquid outlet 421, and the two extension liquid outlets 422 are symmetrically arranged relative to the central axis of the main liquid outlet 421. Further, the main liquid outlet 421 is disposed near one side edge of the sleeving part 42 along the width direction, and the two extension liquid outlets 422 extend from two sides of the length of the main liquid outlet 421 to the other side of the sleeving part 42 along the width direction, which is beneficial to increasing the liquid outlet area of the liquid outlet 420 as much as possible. It will be appreciated that in other embodiments, two extension ports 422 may be asymmetrically disposed, for example, the port area of one extension port 422 may be greater than the port area of the other extension port 422. In other embodiments, the main drain 421 may be provided with an extension drain 422 extending from only one or more sides.

Further, the bottom surface 4221 of the extension liquid outlet 422 may be inclined, and may be an inclined plane or a curved surface, so that the liquid substrate in the extension liquid outlet 422 can flow to the main liquid outlet 421 under the action of gravity, and the liquid guiding effect is improved. Generally, the weep hole 410 extends in a vertical direction, and the angle between the bottom surface 4221 of the chamber of the expanding weep hole 422 and the axis of the weep hole 410 is greater than 90 °. However, since the atomizer 100 is not in a vertical state but in an inclined state when sucking, when the angle between the bottom surface 4221 of the expansion liquid outlet 422 and the axis of the liquid outlet 410 is smaller than or equal to 90 °, the expansion liquid outlet 422 on one side also has a liquid outlet function.

In some embodiments, the liquid inlet 413 may be formed at the bottom of the sidewall of the liquid outlet 410 facing the side surface 411. The bottom of the sidewall of the lower well 410 opposite to the inlet 413 may be further formed with a guiding slope 4101 to facilitate guiding the liquid matrix to the inlet 413.

Further, the upper end surface of the sleeve portion 42 may further extend downward to form a vent hole 425 communicating with the cavity 412, and the lower end of the output channel 120 may extend into the vent hole 425 and may be in communication with the vent hole 425. In this embodiment, the vent hole 425 and the main drain hole 421 are respectively located at two opposite sides of the socket portion 42 in the width direction.

In some embodiments, the atomizing body 20 can further include a sealing sleeve 70 that fits over the socket 42. The seal cartridge 70 may be made of an elastomeric material such as silicone and may include a top wall 72 and an annular seal 71 extending downwardly from the periphery of the top wall 72. The top wall 72 abuts against the upper end surface of the socket portion 42, and the sealing portion 71 is sealingly disposed between the cavity wall surface of the liquid storage cavity 110 and the outer wall surface of the socket portion 42, so as to prevent liquid leakage. The top wall 72 is formed with a liquid inlet 720 communicating with the liquid outlet 420 and a through hole 723 communicating with the vent hole 425. The size and shape of the liquid inlet 720 are matched with those of the liquid outlet 420, and the liquid outlet area can be ensured to the greatest extent through the profiling design of the liquid inlet 720 and the liquid outlet 420, so that the scorching smell risk is reduced.

Further, the sealing sleeve 70 may further include an annular extension 73 extending downward from the periphery of the through hole 723, the annular extension 73 may be inserted into the vent hole 425, an outer wall surface of the annular extension 73 may be in sealing engagement with a wall surface of the vent hole 425, and an inner wall surface of the annular extension 73 may be in sealing engagement with a lower end outer wall surface of the vent pipe 12 to enhance sealing effect.

The base 30 may include a base 31 and an extension 32 extending upward from a top surface of the base 31. The base 31 is at least partially embedded in the lower opening of the casing 10, and the outer peripheral surface of the base 31 is in sealing fit with the inner peripheral surface of the casing 10 to prevent liquid leakage. The extension 32 may include a first sidewall 321 and two second sidewalls 322 respectively located at both lateral sides of the first sidewall 321 such that a side of the extension 32 opposite to the first sidewall 321 is opened. The main body 41 is at least partially housed in the extension 32, and the atomizing assembly 50 is housed in a space formed between the main body 41 and the extension 32. The main body 41 and the extension 32 may be fastened to each other by means of a snap-fit connection. Specifically, in the present embodiment, the inner side walls of the two second side walls 322 are respectively concavely formed with a clamping groove 3221, and two sides of the main body 41 along the length direction are respectively protruded outwards to form a buckle 415, and the buckle 415 and the clamping groove 3221 are buckled with each other, so that the main body 41 and the extension portion 32 are buckled and fixed with each other.

The base 30 and the housing 10 may also be fastened to each other by means of a snap-fit connection. Specifically, in the present embodiment, the outer side surfaces of the two second side walls 322 are respectively protruded to form the buckles 3222, and two sides of the housing 10 are respectively formed with the clamping grooves mutually matched with the buckles 3222, so that the base 30 and the housing 10 are mutually buckled and fixed.

The first sidewall 321 may be integrally formed by extending upward from a width side edge of the base 31, and the two second sidewalls 322 may be integrally formed by extending upward from length side edges of the base 31, respectively. The first sidewall 321 is disposed opposite to the atomizing surface 511 at an interval, and the first sidewall 321, the atomizing surface 511, and the two second sidewalls 322 jointly enclose an atomizing chamber 510.

The air inlet passage 310 may be formed on the base 30 in the longitudinal direction, and may be formed by an upper end surface of the base 30 extending downward in the longitudinal direction. In the present embodiment, there are a plurality of air intake passages 310, which is advantageous for uniform air intake and improved vortex. The axis of the inlet channel 310, the axis of the nebulization chamber 510, and the axis of the outlet channel 120 may all be arranged in parallel. It will be appreciated that in other embodiments, there may be only one intake passage 310. In other embodiments, the axis of the nebulization chamber 510 may also be disposed at an angle to the axis of the intake channel 310 and/or the axis of the output channel 120.

In some embodiments, the upper end surface of the base 31 may be concaved to form a receiving groove 312, and the receiving groove 312 is capable of receiving and receiving a certain leakage. An air inlet boss 314 is formed on the bottom surface of the accommodating groove 312 in an upward protruding manner, and the air inlet boss 314 may be integrally connected to the inner side of the first sidewall 321. The air inlet channel 310 may extend downward from the top surface of the air inlet boss 314 in the longitudinal direction, such that the upper end surface of the air inlet channel 310 is higher than the cavity bottom surface of the receiving groove 312, so as to avoid leakage of the liquid matrix in the receiving groove 312 through the air inlet channel 310. The top surface of the air inlet boss 314 may be an inclined surface, so that the liquid leakage on the top surface of the air inlet boss 314 can flow to the accommodating groove 312, and the liquid leakage is further reduced.

In some embodiments, the atomizing body 20 may further include a liquid storage member 80 received in the receiving groove 312, and the liquid storage member 80 may be made of a porous material such as cotton, porous ceramic, or the like, which is capable of absorbing and storing a certain liquid matrix. The liquid storage part 80 is concavely provided with a notch 81 on one side facing the air inlet boss 314, and the notch 81 can be clamped on the air inlet boss 314. Further, a plurality of supporting bosses 313 disposed at intervals may be formed in the accommodating groove 312 in an upward protruding manner, and the liquid storage member 80 is supported on the plurality of supporting bosses 313. The interval distance between the adjacent two support bosses 313 is small so that surface tension can be formed in the space between the adjacent two support bosses 313 to reduce leakage.

Further, the bottom surface of the base 31 may be formed with at least one introduction passage 311 extending upward in the longitudinal direction, and an upper end of the at least one introduction passage 311 communicates with a lower end of the air intake passage 310. In the present embodiment, the introduction passage 311 is provided in one and in the middle of the base 31, and the intake sectional area of the introduction passage 311 is larger than the total intake sectional area of the plurality of intake passages 310. It will be appreciated that in other embodiments, there may be multiple inlet channels 311.

In some embodiments, the atomizing body 20 may further include two electrode connection assemblies 60 disposed on the base 30, the two electrode connection assemblies 60 being electrically connected with the two electrode portions 522 of the heating body 52, respectively. Each electrode connection assembly 60 includes a conductive portion 611 for conductive communication with the electrode portion 522 and an external portion 621 for conductive communication with the power supply device 200. The external connection portion 621 may be located on the lower end surface of the base 31, so as to be conveniently abutted against and conducted with the electrode column in the power supply device 200. It is understood that the number of the electrode connection assemblies 60 is not limited to two, but may be one or more than two.

In the present embodiment, each electrode connection assembly 60 includes a conductive post 61 and a conductive sheet 62. The conductive post 61 is disposed along the transverse direction, one end of the conductive post 61 may be embedded on the first sidewall 321 to be fixed, and the other end may abut against the electrode portion 522 and be in communication with the electrode portion 522. The conductive portion 611 may be formed on an end surface of the conductive post 61 remote from the first sidewall 321. The conductive post 61 may or may not have elasticity, and the conductive post 61 abuts the liquid suction body 51 against the heat generating seat 40 through the sealing member 54. The conductive post 61 is press-connected to the electrode portion 522, and the seal 54 absorbs the pressing stress, thereby preventing the liquid suction body 51 from being broken and ensuring the reliability of the electrical connection between the conductive post 61 and the electrode portion 522.

The conductive sheet 62 may be an elongated conductive metal sheet, and may include a connection portion 622 extending in a longitudinal direction and an external connection portion 621 extending in a lateral direction from a lower end of the connection portion 622. The connection portion 622 may be longitudinally disposed through the first sidewall 321 and is in contact with one end of the first sidewall 321 embedded in the conductive post 61. In some embodiments, the connection portion 622 may be provided with a through hole 6221 therethrough, and one end of the conductive post 61 may be disposed in the through hole 6221 and in contact with the wall surface of the through hole 6221, so as to improve the reliability of electrical connection. The circumscribed portion 621 may be laterally embedded in the base portion 31. The bottom surface of the base 31 may be concavely formed with two electrode holes 315 so that the external connection portion 621 is at least partially exposed for connection and conduction with the power supply device 200.

The conductive sheet 62 and the base 30 can be combined together in an injection molding mode, so that the processing and the manufacturing are facilitated on one hand, and the fixing of the conductive sheet 62 is firmer on the other hand. It will be appreciated that in other embodiments, the electrode connection assembly 60 may also include only conductive tabs or conductive posts.

In some embodiments, the bottom of the base 30 may also be embedded with a magnetic attraction 33 for magnetically attracting connection with the power supply device 200. In this embodiment, the magnetic attraction members 33 are two and are respectively located on both sides of the length of the base 30. The two magnetic attraction pieces 33, the two electrode holes 315, and the introduction passage 311 are arranged along the length direction of the base 30.

In some embodiments, the heat generating seat 40 may further be formed with a ventilation channel 43, and the ventilation channel 43 communicates the liquid storage cavity 110 with the outside atmosphere, so as to balance the pressure in the liquid storage cavity 110, and solve the problem that the liquid can not be stably discharged due to excessive negative pressure in the liquid storage cavity 110. Specifically, the ventilation channel 43 may be formed on an outer side surface of the heat generating seat 40, and may extend from an upper end surface of the heat generating seat 40 to a lower end surface of the heat generating seat 40 in a longitudinal direction. The upper end of the ventilation channel 43 is communicated with the liquid outlet 420, and the lower end is communicated with the atomization cavity 510.

In some embodiments, the outer side surface of the heating seat 40 and/or the base 30 may be further concavely formed with a liquid storage channel 35, where the liquid storage channel 35 can store a certain leakage liquid. The cross-sectional dimensions of the liquid storage channel 35 (such as the width, depth, cross-sectional area, etc. of the liquid storage channel 35) are reasonably set, so that the liquid matrix has large surface tension and along-path resistance in the liquid storage channel 35, and leakage is difficult to cause through the liquid storage channel 35. In the present embodiment, there are a plurality of the liquid storage passages 35, and the plurality of liquid storage passages 35 may be formed on the extension portion 32 and the main body portion 41 and extend in the circumferential direction of the extension portion 32 and the main body portion 41.

Fig. 9 shows a heat generating seat 40 in an alternative of the present utility model, which is mainly different from the above-mentioned embodiment in that the liquid outlet 420 in the present embodiment further includes a communicating liquid outlet 423, and the communicating liquid outlet 423 communicates between two expanding liquid outlets 422 and can further increase the liquid outlet area of the liquid outlet 420.

In this embodiment, the liquid outlet 420 is annular, a boss 426 may be formed in the liquid outlet 420 by protruding upward, and the vent hole 425 may extend downward from the upper end surface of the boss 426. One side of the boss 426 may be integrally coupled with the edge of the main drain port 421. The other side of the boss 426 is spaced from the edge of the communicating liquid outlet 423 for liquid circulation.

In addition, the bottom surface of the cavity of the communicating liquid outlet 423 may be inclined, and both sides of the length of the cavity may be inclined toward the two extending liquid outlets 422, so that the liquid medium in the communicating liquid outlet 423 may flow to the extending liquid outlet 422 under the action of gravity and then flow to the main liquid outlet 421 through the extending liquid outlet 422.

Fig. 10-11 show an atomising body 20 in a first alternative of the utility model, which differs from the above-described embodiment mainly in that in this embodiment the sealing sleeve 70 further comprises a cover part 721, which cover part 721 is arranged in the inlet 720 and divides the inlet 720 into two sub-inlets 7201. The cover portion 721 is located above the liquid outlet 420 and can cover a portion of the liquid outlet 420. By covering the liquid outlet 420, when the atomizer 100 is in the reverse pumping state (the outlet 121 is downward), the resistance of the liquid matrix in the liquid outlet 45 to flow backward is increased, so that the liquid matrix in the liquid outlet 45 can be always kept to be supplied to the liquid suction body 51 for atomization, and bubbles are reduced to flow backward to the liquid suction body 51 to generate scorched smell.

Specifically, the cover portion 721 may be located in the middle of the inlet 720, i.e., the cover portion 721 is located above the main drain 421 and covers at least a portion of the main drain 421. The width sides of the cover portion 721 are integrally combined with the width side edges of the middle portion of the liquid inlet 720. The two sub liquid inlets 7201 are respectively located at the left and right sides of the cover portion 721 and respectively communicate with the two expansion liquid outlets 422. In addition, the two sub-liquid inlets 7201 are arranged in bilateral symmetry and are not communicated with each other. It will be appreciated that in other embodiments, only one side edge of the cover portion 721 may be integrally combined with one side edge of the inlet 720.

In the present embodiment, the width of the cover portion 721 coincides with the width of the main drain port 421, and the length of the cover portion 721 is smaller than the length of the main drain port 421. The cover portion 721 may extend downward by a length such that a lower portion of the cover portion 721 may be embedded in the main drain port 421, and both sides of the width of the cover portion 721 may be in surface contact with the hole walls on both sides of the width of the main drain port 421, respectively. The cover 721 forms a U-shaped pipe communicating vessel on the left and right sides of the lower liquid channel 45, and the liquid medium can be supplied to the liquid sucking 51 all the time in the lower liquid channel 45 by the liquid pressure on the left and right sides of the communicating vessel. In other embodiments, the two sides of the width of the cover portion 721 and the two sides of the width of the main drain 421 may have a gap.

Fig. 12 shows a sealing sleeve 70 in a second alternative of the utility model, which differs from the first alternative mainly in that the cover part 721 in the present embodiment separates the inlet 720 into two main inlets 7202 and one auxiliary inlet 7203. Two main liquid inlets 7202 are respectively communicated with two expansion liquid outlets 422 correspondingly, and one auxiliary liquid inlet 7203 is communicated with a main liquid outlet 421 correspondingly. It will be appreciated that in other embodiments, each extension port 422 may be in communication with more than one primary port 7202 and/or the primary port 421 may be in communication with more than one secondary port 7203.

The main purpose of the main liquid inlet 7202 is to ensure that the liquid volume below is sufficiently large, and is the main liquid supply path. The auxiliary liquid inlet 7203 can provide a certain amount of liquid, and is beneficial to the atomization assembly 50 to timely discharge bubbles entering from the micropores of the liquid suction body 51 to the liquid storage cavity 110 due to the negative pressure effect of the liquid storage cavity 110 in the atomization process. In this embodiment, two main liquid inlets 7202 and one auxiliary liquid inlet 7203 have larger liquid areas, and two main liquid inlets 7202 are respectively located at two opposite sides of the liquid inlet 720, and the auxiliary liquid inlet 7203 is located at the middle of the liquid inlet 720.

Fig. 13 shows a sealing sleeve 70 in a third alternative of the utility model, which differs from the second alternative mainly in that the cover part 721 in the present embodiment separates the inlet 720 into two main inlet 7202 and two auxiliary inlet 7203. The two auxiliary liquid inlets 7203 are all located above the main liquid outlet 421 and are communicated with the main liquid outlet 421, so that each auxiliary liquid inlet 7203 has a smaller liquid outlet area. Generally, the smaller the liquid-discharging area of the auxiliary liquid inlet 7203, the greater the surface tension of the liquid matrix, and the liquid matrix in the liquid-discharging passage 45 is less likely to flow out from the liquid-discharging passage 45 in the inverted state.

It will be appreciated that the above technical features may be used in any combination without limitation.

The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model; it should be noted that, for a person skilled in the art, the above technical features can be freely combined, and several variations and modifications can be made without departing from the scope of the utility model; 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 atomizer for the use in a spray gun, characterized by comprising the following steps:

A housing (10) having a liquid storage chamber (110) formed therein;

a heating seat (40) accommodated in the housing (10); and

An atomizing assembly (50) at least partially housed in the heat-generating seat (40) and comprising a liquid suction surface (512);

The liquid suction surface (512) is parallel to the axis of the atomizer (100) or is arranged at an included angle;

The heating seat (40) is inwards concave towards one end face of the liquid storage cavity (110) to form a liquid outlet (420), the liquid outlet (420) comprises a main liquid outlet (421) and at least one extended liquid outlet (422) which is outwards extended from at least one side of the main liquid outlet (421), and a liquid outlet (410) which is used for communicating the main liquid outlet (421) with the liquid suction surface (512) is further formed in the heating seat (40).

2. The nebulizer of claim 1, wherein the cross-sectional area of the liquid outlet (420) is more than one quarter of the cross-sectional area of the liquid storage chamber (110).

3. The nebulizer of claim 1, wherein the cross-sectional area of the liquid outlet (420) is more than half the cross-sectional area of the liquid storage chamber (110).

4. The atomizer according to claim 1, wherein a bottom surface of the cavity of the at least one extended drain (422) is inclined towards the main drain (421) such that liquid matrix in the at least one extended drain (422) can flow towards the main drain (421) under the influence of gravity.

5. The nebulizer of claim 1, wherein the at least one extension downcomer opening (422) comprises at least two extension downcomer openings (422), the cross-sectional areas of the at least two extension downcomer openings (422) being the same or different.

6. The atomizer according to claim 5, wherein said downcomer (420) further comprises a communicating downcomer (423) communicating said at least two expanding downcomer (422).

7. The atomizer according to claim 6, wherein the bottom surfaces of the chambers of the communicating liquid outlet (423) are inclined such that the liquid medium in the communicating liquid outlet (423) can flow to the at least two expanding liquid outlet (422) under the influence of gravity.

8. The atomizer according to claim 1, wherein the cross-sectional area of the downcomer aperture (410) is smaller than the cross-sectional area of the downcomer orifice (420).

9. The nebulizer of claim 1, wherein the axis of the lower liquid orifice (410) is parallel to or at an angle to the liquid suction surface (512).

10. The atomizer according to claim 1, further comprising a sealing sleeve (70) accommodated in the housing (10) and sleeved on the heating seat (40), wherein a liquid inlet (720) communicated with the liquid outlet (420) is formed on the sealing sleeve (70).

11. The nebulizer of claim 10, wherein the inlet opening (720) and the outlet opening (420) are both the same in cross-sectional shape and size.

12. The nebulizer of claim 10, wherein the sealing sleeve (70) further comprises a cover portion (721), the cover portion (721) being arranged in the liquid inlet (720) and covering at least part of the liquid outlet (420).

13. The nebulizer of claim 12, wherein the cover portion (721) covers at least part of the main drain opening (421).

14. The nebulizer of claim 12, wherein the at least one extension drain (422) comprises two extension drains (422), the two extension drains (422) being located on opposite sides of the main drain (421), respectively.

15. The nebulizer of claim 14, wherein the cover portion (721) separates the inlet opening (720) into two sub-inlet openings (7201) that are not in communication with each other, the cover portion (721) covering part of the main outlet opening (421) and extending at least partially into the main outlet opening (421).

16. The nebulizer of claim 12, wherein the cover portion (721) separates the inlet opening (720) into at least one auxiliary inlet opening (7203) in communication with the main outlet opening (421) and at least one main inlet opening (7202) in communication with the at least one extension outlet opening (422).

17. The atomizer according to any one of claims 1 to 16, wherein the atomizing assembly (50) further comprises an atomizing face (511), and an air inlet channel (310) communicating with the atomizing face (511) is further formed in the housing (10), and an axis of the air inlet channel (310) is parallel to or disposed at an angle to the atomizing face (511).

18. The nebulizer of any one of claims 1 to 16, wherein the nebulizer (100) further comprises a base (30) at least partially housed within the housing (10), the nebulizing assembly (50) being housed between the heat generating seat (40) and the base (30).

19. An electronic atomising device comprising an atomiser according to any one of claims 1 to 18.