Electronic atomization device and atomizer thereof

Abstract

The application discloses an electronic atomization device and an atomizer thereof. The atomizer comprises a shell, an internal storage cavity is formed in the shell, a heating seat is accommodated in the shell, and an atomization assembly is at least partially accommodated in the heating seat and comprises a liquid suction surface. The liquid suction surface is arranged in parallel with or at an angle to the axis of the atomizer. An end face of the heating seat towards the storage cavity is concave, and a lower liquid outlet is formed in the end face. The lower liquid outlet comprises a main lower liquid outlet and at least one extended lower liquid outlet extending outward from at least one side of the main lower liquid outlet. A lower liquid hole is further formed in the heating seat and communicates the main lower liquid outlet with the liquid suction surface. By expanding the lower liquid area of the lower liquid outlet, the liquid guiding capacity of the lower liquid outlet is enhanced, the risk of burnt taste caused by poor liquid flow is reduced, and the liquid matrix can be left little when smoking to the end.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of atomization, in particular to an electronic atomization device and an atomizer thereof. BACKGROUND

[0002] The electronic atomization device is used for heating and atomizing an atomizable liquid substrate to generate an aerosol for inhalation. In the prior art, the atomization surface of the atomization assembly of the electronic atomization device is placed laterally or obliquely, and the liquid inlet hole for delivering the liquid substrate to the atomization assembly is generally designed as a long strip with a small liquid inlet area, which is prone to cause a large amount of liquid substrate remaining when the last puff is taken (i.e., when the liquid substrate in the liquid storage cavity is about to run out), and there is a risk of poor liquid delivery and burnt taste. SUMMARY

[0003] The technical problem to be solved by the present application is to provide an improved atomizer and an electronic atomization device having the same to solve the above-mentioned defects of the prior art.

[0004] The technical solution adopted by the present application to solve the technical problem is to construct an atomizer, which comprises:

[0005] a housing, inside which a liquid storage cavity is formed;

[0006] a heating seat accommodated in the housing; and

[0007] an atomization assembly at least partially accommodated in the heating seat and comprising a liquid suction surface;

[0008] the liquid suction surface is arranged in parallel with or at an angle to the axis of the atomizer;

[0009] an end face of the heating seat facing the liquid storage cavity is concave, and a liquid inlet hole is formed in the end face, the liquid inlet hole comprises a main liquid inlet hole and at least one extended liquid inlet hole extending outward from at least one side of the main liquid inlet hole, and a liquid delivery hole is further formed in the heating seat to communicate the main liquid inlet hole with the liquid suction surface.

[0010] In some embodiments, the cross-sectional area of the liquid inlet hole is more than one fourth of the cross-sectional area of the liquid storage cavity.

[0011] In some embodiments, the cross-sectional area of the liquid inlet hole is more than one half of the cross-sectional area of the liquid storage cavity.

[0012] In some embodiments, the cavity bottom surface of the at least one extended liquid inlet hole is arranged to be inclined toward the main liquid inlet hole, so that the liquid substrate in the at least one extended liquid inlet hole can flow toward the main liquid inlet hole under the action of gravity.

[0013] In some embodiments, the at least one extended downcomer includes at least two extended downcomers, and cross-sectional areas of the at least two extended downcomers are the same or different.

[0014] In some embodiments, the downcomer further includes a communication downcomer that connects the at least two extended downcomers.

[0015] In some embodiments, a bottom surface of the communication downcomer is inclined to allow a liquid medium in the communication downcomer to flow to the at least two extended downcomers under the action of gravity.

[0016] In some embodiments, a cross-sectional area of the downhole is smaller than a cross-sectional area of the downcomer.

[0017] In some embodiments, an axis of the downhole is parallel to or forms an angle with the liquid suction surface.

[0018] In some embodiments, the atomizer further includes a sealing sleeve received in the housing and sleeved on the heating seat, and the sealing sleeve is formed with a liquid inlet that is in communication with the downcomer.

[0019] In some embodiments, the liquid inlet and the downcomer have the same cross-sectional shape and size.

[0020] In some embodiments, the sealing sleeve further includes a cover portion that is disposed in the liquid inlet and covers at least part of the downcomer.

[0021] In some embodiments, the cover portion covers at least part of the main downcomer.

[0022] In some embodiments, the at least one extended downcomer includes two extended downcomers, and the two extended downcomers are respectively located on two opposite sides of the main downcomer.

[0023] In some embodiments, the cover portion divides the liquid inlet into two sub-liquid inlets that are not in communication with each other, and the cover portion covers part of the main downcomer and at least partially extends into the main downcomer.

[0024] In some embodiments, the cover portion divides the liquid inlet into at least one auxiliary liquid inlet that is in communication with the main downcomer and at least one main liquid inlet that is in communication with the at least one extended downcomer.

[0025] In some embodiments, the atomization assembly further includes an atomization surface, and the housing is further formed with an air inlet channel that is in communication with the atomization surface, and an axis of the air inlet channel is parallel to or forms an angle with the atomization surface.

[0026] In some embodiments, the atomizer further comprises a base at least partially received in the housing, and the atomizing assembly is received between the heating seat and the base.

[0027] The present application also provides an electronic atomization device comprising the atomizer according to any one of the above.

[0028] The present application has at least the following beneficial effects: by expanding the liquid outlet area, the liquid guiding capacity of the liquid outlet is enhanced, the risk of burnt taste caused by poor liquid flow is reduced, and the liquid matrix can be left little when smoking to the end. BRIEF DESCRIPTION OF DRAWINGS

[0029] The present application will be further described below in conjunction with the drawings and embodiments, in which:

[0030] Figure 1 is a perspective structural schematic diagram of an electronic atomization device in some embodiments of the present application;

[0031] Figure 2 is Figure 1 is an exploded structural schematic diagram of the electronic atomization device shown in FIG. 1;

[0032] Figure 3 is Figure 2 is a longitudinal sectional schematic diagram of the atomizer in FIG. 1;

[0033] Figure 4 is Figure 3 is a perspective structural schematic diagram of the atomizing body in FIG. 1;

[0034] Figure 5 is Figure 4 is a longitudinal sectional structural schematic diagram of the atomizing body shown in FIG. 1 along A-A;

[0035] Figure 6 is Figure 4 is a longitudinal sectional structural schematic diagram of the atomizing body shown in FIG. 1 along B-B;

[0036] Figure 7 is Figure 5 is an exploded structural schematic diagram of the atomizing body shown in FIG. 1;

[0037] Figure 8 is Figure 5 is an exploded structural schematic diagram of the atomizing body shown in FIG. 1 from another angle;

[0038] Figure 9 is a perspective structural schematic diagram of a heating seat in an alternative scheme of the present application;

[0039] Figure 10 is a perspective structural schematic diagram of an atomizing body in a first alternative scheme of the present application;

[0040] Figure 11 isFigure 10 a longitudinal sectional structure schematic diagram of the atomizing main body;

[0041] Figure 12 is a three-dimensional structure schematic diagram of the sealing sleeve in the second alternative scheme of the present application;

[0042] Figure 13 is a three-dimensional structure schematic diagram of the sealing sleeve in the third alternative scheme of the present application. DETAILED DESCRIPTION

[0043] In order to have a clearer understanding of the technical features, objectives and effects of the present application, the specific embodiments of the present application will be described in detail with reference to the accompanying drawings. In the following description, a large number of specific details are set forth in order to facilitate a thorough understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, so the present application is not limited to the specific embodiments disclosed below.

[0044] In the description of the present application, it should be understood that the terms "longitudinal", "transverse", "width", "thickness", "front", "back", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship commonly used when the product of the present application is used, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0045] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.

[0046] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0047] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0048] Figures 1-2 An electronic atomizing device 1 according to a first embodiment of the present invention is shown. The electronic atomizing device 1 includes an atomizer 100 and a power supply device 200 connected to and cooperating with the atomizer 100. The power supply device 200 typically includes a battery for supplying power to the atomizer 100 and a control circuit for controlling the heating of the atomizer 100. The atomizer 100 is used to contain a liquid matrix and heat and atomize the liquid matrix to generate an aerosol after being powered on. In some embodiments, the atomizer 100 and the power supply device 200 may both be generally elliptical cylindrical, and the two may be mechanically and electrically connected together along the axial direction. Further, the atomizer 100 and the power supply device 200 may be detachably connected together by magnetic connection, threaded connection, snap-fit ​​connection, or other means. It is understood that in other embodiments, the atomizer 100 and the power supply device 200 may also be non-detachably connected together. In addition, the cross-sectional shape of the atomizer 100 and / or the power supply device 200 is not limited to being elliptical, and may also be other shapes such as circular, racetrack-shaped, or rectangular.

[0049] like Figure 3 As shown, the atomizer 100 may include a housing 10 and an atomizing body 20 at least partially housed in the lower part of the housing 10. The housing 10 has a liquid reservoir 110 for containing a liquid matrix and an output channel 120 isolated from the liquid reservoir 110 for delivering aerosols. The output channel 120 extends longitudinally, and its upper end has an output port 121 communicating with the outside. The atomizing body 20 includes a base 30, a heating element 40 cooperating with the base 30, and an atomizing assembly 50 housed between the base 30 and the heating element 40. The atomizing assembly 50 is in liquid-conducting communication with the liquid reservoir 110 and in aerosol communication with the output channel 120. When a user inhales through the output port 121, the atomizing assembly 50 atomizes the liquid matrix to form an aerosol, which then travels through the output channel 120 to the output port 121 for absorption by the user.

[0050] In some embodiments, the housing 10 may be integrally formed by injection molding or other methods, and may include a cylindrical outer shell 11 and a venting pipe 12 disposed longitudinally within the cylindrical outer shell 11. The cylindrical outer shell 11 may be generally elliptical in shape with an open lower end, and the venting pipe 12 may be integrally connected to the top wall of the cylindrical outer shell 11. The inner wall surface of the venting pipe 12 defines an output channel 120, and the outer wall surface of the venting pipe 12 and the inner wall surface of the cylindrical outer shell 11 define a liquid storage chamber 110.

[0051] like Figures 3-8 As shown, the atomizing component 50 includes a liquid absorber 51 and a heating element 52 in contact with the liquid absorber 51. In some embodiments, the liquid absorber 51 may be made of a porous ceramic material, such that the interior of the liquid absorber 51 has a large number of micropores and a certain porosity. Through the capillary action of the micropores, the liquid absorber 51 can absorb and buffer the liquid matrix. The liquid absorber 51 has an atomizing surface 511 and a liquid absorbing surface 512. The liquid absorbing surface 512 is connected to the liquid storage chamber 110, and the atomizing surface 511 is in contact with the heating element 52. The liquid absorber 51 draws the liquid matrix from the liquid storage chamber 110 through the liquid absorbing surface 512 and conducts the liquid matrix to the atomizing surface 511. After being energized, the heating element 52 heats and atomizes the liquid matrix absorbed by the liquid absorber 51.

[0052] The atomizing body 20 has an air intake channel 310 and an atomizing chamber 510, which are connected to the air intake channel 310 and the output channel 120, respectively. An atomizing surface 511 is exposed in the atomizing chamber 510, defining part of its boundary. When the heating element 52 generates heat, the liquid matrix on the atomizing surface 511 and the liquid matrix wetting the heating element 52 absorb heat and atomize to form an aerosol, which is then discharged into the atomizing chamber 510. When the user inhales, the external gas entering the atomizing chamber 510 from the air intake channel 310 carries the aerosol into the output channel 120 and reaches the output port 121 for absorption by the user.

[0053] In the embodiment, the liquid absorbing body 51 can be substantially rectangular plate-shaped with a thin thickness. The atomization surface 511 and the liquid absorbing surface 512 can be two surfaces of the liquid absorbing body 51 oppositely arranged in the thickness direction. The liquid absorbing body 51 can be arranged in the vertical direction such that the atomization surface 511 and the liquid absorbing surface 512 are both arranged in the vertical direction, and the atomization surface 511, the liquid absorbing surface 512, the axial direction of the atomizer 100, the axial direction of the housing 10, the axial direction of the liquid storage cavity 110, and the axial direction of the output channel 120 are all parallel. In other embodiments, the liquid absorbing body 51 is not limited to be rectangular plate-shaped. In some other embodiments, the liquid absorbing body 51 can also be arranged at an angle to the axial direction of the atomizer 100, such that the atomization surface 511, the liquid absorbing surface 512, and the axial direction of the atomizer 100 are arranged at an angle, for example, an angle less than 90°. In addition, the arrangement positions of the atomization surface 511 and the liquid absorbing surface 512 are not limited, for example, the atomization surface 511 and the liquid absorbing surface 512 can also be two adjacent surfaces of the liquid absorbing body 51, and for another example, the atomization surface 511 or the liquid absorbing surface 512 can include one surface of the liquid absorbing body 51 in the thickness direction and one or more side surfaces adjacent to the surface.

[0054] The heating body 52 can include a heating portion 521 and two electrode portions 522 connected to two ends of the heating portion 521, respectively. The heating portion 521 is connected to an external power source through the two electrode portions 522 for generating heat after being powered on. The two electrode portions 522 can be arranged near the two side edges of the atomization surface 511 in the length direction, and the heating portion 521 extends between the two electrode portions 522 in a non-linear manner, for example, in an S shape or a polyline, which can facilitate increasing the heating area of the heating portion 521.

[0055] In some embodiments, the heating body 52 can be a heating film which can be formed on a blank of the liquid absorbing body 51 by screen printing, printing, or spraying of conductive paste, and then sintered integrally with the liquid absorbing body 51. In some other embodiments, the heating body 52 can also be a separately formed metal heating sheet or a metal heating wire, and the like, which is combined with the liquid absorbing body 51 by sintering or the like.

[0056] In some embodiments, the atomization assembly 50 can further include a liquid guide 53 which is in contact with the liquid absorbing surface 512 and can rapidly and uniformly conduct the liquid matrix from the liquid storage cavity 110 to the liquid absorbing surface 512. In some embodiments, the liquid guide 53 can be made of porous ceramic, liquid guide cotton, or other porous materials, and can be rectangular plate-shaped. The projection of the liquid guide 53 on the atomization surface 511 can completely cover the heating portion 521 or at least cover most of the heating portion 521, so that the liquid matrix can be rapidly supplied to the heating portion 521.

[0057] In some embodiments, the atomization assembly 50 can further include a sealing member 54, and the liquid absorbing member 51 and the liquid guiding member 53 can be mounted on the sealing member 54. The sealing member 54 can be made of an insulating, elastic and high-temperature-resistant material such as silica gel. The sealing member 54 can prevent liquid leakage and protect the liquid absorbing member 51 from being crushed during installation. It can be understood that in other embodiments, the atomization assembly 50 can not include the liquid guiding member 53 and / or the sealing member 54.

[0058] In some embodiments, the sealing member 54 can have an oblong ring structure, which can include an end wall 541 and a ring wall 542 extending from the periphery of the end wall 541 to one side of the thickness direction of the end wall 541. The liquid guiding member 53 can be accommodated in the ring wall 542 and abut against the end wall 541, and the liquid absorbing member 51 is accommodated in the ring wall 542 and abuts against the end wall 541 through the liquid guiding member 53. The end wall 541 is provided with a liquid inlet 540 penetrating in the thickness direction, so that the liquid matrix in the liquid storage cavity 110 can be adsorbed by the liquid guiding member 53 through the liquid inlet 540. Preferably, the projection of the liquid inlet 540 on the atomization surface 511 can completely cover the heating portion 521 or at least cover most of the heating portion 521, so that the liquid matrix can be quickly supplied to the heating portion 521.

[0059] The atomization assembly 50 can be at least partially accommodated in the heating seat 40, and the heating seat 40 is further formed with a lower liquid passage 45 for communicating the liquid storage cavity 110 with the liquid absorbing surface 512. The heating seat 40 is arranged above the base 30, and the heating seat 40 cooperates with the base 30 to achieve clamping and fixing of the atomization assembly 50. The heating seat 40 can include a sleeve portion 42 and a main body portion 41 extending downward from the lower end of the sleeve portion 42. In this embodiment, the length and width of the sleeve portion 42 are greater than the length and width of the main body portion 41, respectively. The main body portion 41 has a side peripheral surface 411, which is inwardly recessed to form a cavity 412, so that the cavity 412 has an open mouth on the side peripheral surface 411, and the atomization assembly 50 can be loaded into the cavity 412 from the open mouth. The cavity wall of the cavity 412 is further formed with a liquid inlet 413, so that the liquid matrix can be adsorbed by the liquid guiding member 53 through the liquid inlet 413. In this embodiment, the liquid inlet 413 is located on the cavity bottom surface of the cavity 412 opposite to the side peripheral surface 411. The liquid inlet 413 is in communication with the liquid inlet 540, and the opening size (length and width dimensions) of the liquid inlet 413 can be consistent or substantially consistent with the opening size (length and width dimensions) of the liquid inlet 540.

[0060] The upper end surface of the sleeve part 42 is concave to form a lower liquid outlet 420. The heating seat 40 is formed with a lower liquid hole 410 that connects the lower liquid outlet 420 and the liquid inlet 413. The lower liquid outlet 420, the lower liquid hole 410, and the liquid inlet 413 are sequentially connected to form a lower liquid passage 45. The cross-sectional area of the lower liquid outlet 420 can account for more than 1 / 4 of the cross-sectional area of the liquid storage cavity 110, so that the lower liquid outlet 420 has a larger lower liquid area, enhances the liquid guiding capacity of the lower liquid outlet, avoids poor liquid flow, reduces the risk of burnt taste, and can leave less liquid matrix when the liquid matrix is finally extracted. Preferably, the cross-sectional area of the lower liquid outlet 420 is greater than 1 / 2 of the cross-sectional area of the liquid storage cavity 110, to ensure that the lower liquid area is large enough and the liquid flow is smoother. The lower liquid hole 410 extends in the vertical direction, and the axis of the lower liquid hole 410 can be parallel to the axis of the atomizer 100. The cross-sectional area of the lower liquid hole 410 is smaller than that of the lower liquid outlet 420, which on the one hand ensures that the heating seat 40 has sufficient structural strength, and on the other hand ensures that the heating seat 40 has sufficient space to accommodate the atomization assembly 50 in a limited structural space.

[0061] In some embodiments, the lower liquid outlet 420 can include a main lower liquid outlet 421 and at least one extended lower liquid outlet 422 extending outward from at least one side of the main lower liquid outlet 421. The at least one extended lower liquid outlet 422 is in communication with the main lower liquid outlet 421, and is mainly used to increase the lower liquid area of the lower liquid outlet 420 and guide the liquid matrix to the main lower liquid outlet 421. The lower liquid hole 410 can extend downward from the main lower liquid outlet 421 in the longitudinal direction.

[0062] In the present embodiment, the lower liquid outlet 420 is substantially butterfly-shaped, which can include a main lower liquid outlet 421 and two extended lower liquid outlets 422. The cross section of the main lower liquid outlet 421 is long strip-shaped and can extend along the length direction of the sleeve part 42, and the two extended lower liquid outlets 422 extend outward from the length sides of the main lower liquid outlet 421, respectively, and are symmetrically arranged relative to the central axis of the main lower liquid outlet 421. Further, the main lower liquid outlet 421 is arranged close to one side edge of the sleeve part 42 in the width direction, and the two extended lower liquid outlets 422 extend from the length sides of the main lower liquid outlet 421 to the other side of the sleeve part 42 in the width direction, respectively, which is beneficial to increase the lower liquid area of the lower liquid outlet 420 as much as possible. It can be understood that in other embodiments, the two extended lower liquid outlets 422 can also be arranged asymmetrically, for example, the lower liquid area of one extended lower liquid outlet 422 can be larger than that of the other extended lower liquid outlet 422. In some other embodiments, the main lower liquid outlet 421 can also be arranged with the extended lower liquid outlet 422 on one side or more sides.

[0063] Further, the cavity bottom surface 4221 of the extended lower liquid outlet 422 can be obliquely arranged, which can be a slanted plane or a curved surface, so that the liquid substrate in the extended lower liquid outlet 422 can flow to the main lower liquid outlet 421 under the action of gravity, improving the liquid guiding effect. Generally, the lower liquid hole 410 extends in the vertical direction, and the angle between the cavity bottom surface 4221 of the extended lower liquid outlet 422 and the axis of the lower liquid hole 410 is greater than 90°. However, since the atomizer 100 is not in a vertical state but in an inclined state during suction, when the angle between the cavity bottom surface 4221 of the extended lower liquid outlet 422 and the axis of the lower liquid hole 410 is less than or equal to 90°, the unilateral extended lower liquid outlet 422 also has the function of liquid guiding.

[0064] In some embodiments, the liquid inlet 413 can be arranged at the bottom of the sidewall of the lower liquid hole 410 facing the side peripheral surface 411. The bottom of the sidewall on the other side of the lower liquid hole 410 opposite to the liquid inlet 413 can further be formed with a guide inclined surface 4101, which is beneficial for guiding the liquid substrate to the liquid inlet 413.

[0065] Further, the upper end surface of the sleeve portion 42 can further extend downward to form an air hole 425 in communication with the accommodating cavity 412, and the lower end of the output channel 120 can extend into and be in communication with the air hole 425. In the present embodiment, the air hole 425 and the main lower liquid outlet 421 are respectively arranged on two opposite sides of the sleeve portion 42 in the width direction.

[0066] In some embodiments, the atomizing body 20 can further include a sealing sleeve 70 sleeved on the sleeve portion 42. The sealing sleeve 70 can be made of elastic materials such as silica gel, and can include a top wall 72 and an annular sealing portion 71 extending downward from the peripheral edge of the top wall 72. The top wall 72 abuts against the upper end surface of the sleeve portion 42, and the sealing portion 71 is sealingly arranged between the cavity wall surface of the liquid storage cavity 110 and the outer wall surface of the sleeve portion 42 to prevent liquid leakage. The top wall 72 is longitudinally formed with a liquid inlet 720 in communication with the lower liquid outlet 420 and a through hole 723 in communication with the air hole 425. The size and shape of the liquid inlet 720 are matched with the size and shape of the lower liquid outlet 420, and the profiled design of the liquid inlet 720 and the lower liquid outlet 420 can maximize the liquid guiding area and reduce the risk of burnt taste.

[0067] Further, the sealing sleeve 70 can further include an annular extension portion 73 extending downward from the peripheral edge of the through hole 723, which can be embedded into the air hole 425. The outer wall surface of the annular extension portion 73 can sealingly cooperate with the hole wall surface of the air hole 425, and the inner wall surface of the annular extension portion 73 can sealingly cooperate with the lower end outer wall surface of the air duct 12, so as to improve the sealing effect.

[0068] The base 30 can include a base portion 31 and an extension portion 32 extending upwardly from a top surface of the base portion 31. The base portion 31 is at least partially embedded at the lower end opening of the housing 10, and an outer peripheral surface of the base portion 31 is sealingly fitted with an inner peripheral surface of the housing 10 to prevent liquid leakage. The extension portion 32 can include a first side wall 321 and two second side walls 322 respectively located at two lateral sides of the first side wall 321, such that an opposite side of the extension portion 32 to the first side wall 321 is open. The main body portion 41 is at least partially received in the extension portion 32, and the atomization assembly 50 is received in a space formed between the main body portion 41 and the extension portion 32. The main body portion 41 and the extension portion 32 can be fixed to each other by snap connection. Specifically, in the present embodiment, inner side walls of the two second side walls 322 are respectively recessed to form clamping grooves 3221, and two sides of the main body portion 41 along the length direction are respectively outwardly protruded to form clamping buckles 415, which are clamped and engaged with the clamping grooves 3221, so as to clamp and fix the main body portion 41 and the extension portion 32 to each other.

[0069] The base 30 and the housing 10 can also be fixed to each other by snap connection. Specifically, in the present embodiment, outer side surfaces of the two second side walls 322 are respectively protruded to form clamping buckles 3222, and two sides of the housing 10 are respectively formed with clamping grooves which are clamped and engaged with the clamping buckles 3222, so as to clamp and fix the base 30 and the housing 10 to each other.

[0070] The first side wall 321 can be integrally upwardly extended from a width-side edge of the base portion 31, and the two second side walls 322 can be integrally upwardly extended from length-side edges of the base portion 31. The first side wall 321 is oppositely arranged with the atomization surface 511, and the first side wall 321, the atomization surface 511 and the two second side walls 322 jointly enclose the atomization cavity 510.

[0071] The air inlet channel 310 can be formed on the base 30 along the longitudinal direction, and can be formed by extending downwardly from an upper end surface of the base 30 along the longitudinal direction. In the present embodiment, the air inlet channel 310 has a plurality of channels, which is beneficial to uniform air inlet and improved vortex. Axes of the air inlet channel 310, the atomization cavity 510 and the output channel 120 can be arranged in parallel. It can be understood that, in other embodiments, the air inlet channel 310 can also have only one channel. In some other embodiments, the atomization cavity 510 can also be arranged at an angle with the axis of the air inlet channel 310 and / or the axis of the output channel 120.

[0072] In some embodiments, the upper end surface of the base 31 can be concave to form a receiving groove 312 capable of receiving and containing a certain amount of liquid leakage. The cavity bottom surface of the receiving groove 312 can be convex upward to form an air inlet boss 314 which can be integrally connected to the inner side of the first side wall 321. The air inlet channel 310 can extend downward in the longitudinal direction from the top surface of the air inlet boss 314, so 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 the liquid matrix in the receiving groove 312 leaking through the air inlet channel 310. The top surface of the air inlet boss 314 can be inclined, so that the liquid leakage on the top surface of the air inlet boss 314 can flow to the receiving groove 312, further reducing the liquid leakage.

[0073] In some embodiments, the atomizing body 20 can further include a liquid storage member 80 received in the receiving groove 312, which can be made of porous materials such as cotton, porous ceramics, etc., capable of absorbing and storing a certain amount of liquid matrix. The side of the liquid storage member 80 facing the air inlet boss 314 is concave to form a notch 81 which can be clamped on the air inlet boss 314. Further, the receiving groove 312 can further be convex upward to form a plurality of spaced support bosses 313, and the liquid storage member 80 is supported on the plurality of support bosses 313. The spacing distance between adjacent two support bosses 313 is small, so that the space between adjacent two support bosses 313 can form a surface tension to reduce the liquid leakage.

[0074] Further, the bottom surface of the base 31 can further extend upward in the longitudinal direction to form at least one introduction channel 311, and the upper end of the at least one introduction channel 311 is in communication with the lower end of the air inlet channel 310. In the present embodiment, the introduction channel 311 is one and located in the middle of the base 31, and the air inlet cross-sectional area of the introduction channel 311 is greater than the total air inlet cross-sectional area of the plurality of air inlet channels 310. It can be understood that in other embodiments, the introduction channel 311 can also be multiple.

[0075] In some embodiments, the atomizing body 20 can further include two electrode connection assemblies 60 arranged on the base 30, and the two electrode connection assemblies 60 are respectively electrically connected to the two electrode portions 522 of the heating element 52. Each electrode connection assembly 60 includes a conductive portion 611 for conducting with the electrode portion 522 and an external connection portion 621 for conducting with the power supply device 200. The external connection portion 621 can be located on the lower end surface of the base 31, facilitating abutting and conducting with the electrode post in the power supply device 200. It can be understood that the number of electrode connection assemblies 60 is not limited to two, and it can also be one or more than two.

[0076] In the embodiment, each electrode connecting assembly 60 comprises an electrically-conductive post 61 and an electrically-conductive sheet 62. The electrically-conductive post 61 is arranged in the lateral direction, one end of the electrically-conductive post 61 is embedded in the first side wall 321 for fixation, and the other end is abutted against and in electrical conduction with the electrode portion 522. The conductive portion 611 can be formed on the end face of the electrically-conductive post 61 away from the first side wall 321. The electrically-conductive post 61 can or can not be elastic, and the electrically-conductive post 61 is pressed against the heat generating seat 40 by the sealing member 54. The electrically-conductive post 61 and the electrode portion 522 are in extrusion connection, the extrusion stress is absorbed by the sealing member 54, the liquid absorbing body 51 is prevented from being broken, and the reliability of the electrical connection between the electrically-conductive post 61 and the electrode portion 522 is ensured.

[0077] The electrically-conductive sheet 62 can be an elongated electrically-conductive metal sheet, which comprises a connecting portion 622 extending in the longitudinal direction and an external connecting portion 621 extending in the lateral direction from the lower end of the connecting portion 622. The connecting portion 622 can be arranged in the first side wall 321 in the longitudinal direction and in contact with the end of the electrically-conductive post 61 embedded in the first side wall 321. In some embodiments, a through hole 6221 can be arranged in the connecting portion 622, and one end of the electrically-conductive post 61 can be arranged in the through hole 6221 and in contact with the hole wall face of the through hole 6221, so as to improve the electrical connection reliability. The external connecting portion 621 can be embedded in the base 31 in the lateral direction. The bottom face of the base 31 can be concave to form two electrode holes 315, so that the external connecting portion 621 is at least partially exposed, and the electrical connection with the power supply device 200 is facilitated.

[0078] The electrically-conductive sheet 62 and the base 30 can be combined together by injection molding, which is convenient for processing and manufacturing and makes the fixation of the electrically-conductive sheet 62 more reliable. It can be understood that, in other embodiments, the electrode connecting assembly 60 can only comprise the electrically-conductive sheet or the electrically-conductive post.

[0079] In some embodiments, the bottom of the base 30 can further be embedded with magnetic members 33 for magnetic connection with the power supply device 200. In the embodiment, there are two magnetic members 33 arranged on the two sides of the length of the base 30. The two magnetic members 33, the two electrode holes 315 and the lead-in channel 311 are arranged along the length direction of the base 30.

[0080] In some embodiments, the heat generating seat 40 can further form an air exchange channel 43, which connects 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 of unstable liquid discharge due to excessive negative pressure in the liquid storage cavity 110. Specifically, the air exchange channel 43 can be formed on the outer side face of the heat generating seat 40, which extends in the longitudinal direction from the upper end face of the heat generating seat 40 to the lower end face of the heat generating seat 40. The upper end of the air exchange channel 43 is in communication with the liquid discharge port 420, and the lower end is in communication with the atomization cavity 510.

[0081] In some embodiments, the outer side of the heating seat 40 and / or the base 30 can also be concave to form a liquid storage channel 35 capable of storing a certain amount of liquid leakage. The cross-sectional size of the liquid storage channel 35 (such as the width, depth, cross-sectional area, etc.) is reasonably set so that the liquid substrate has a large surface tension and resistance in the liquid storage channel 35, making it difficult to cause liquid leakage through the liquid storage channel 35. In this embodiment, the liquid storage channel 35 has multiple liquid storage channels 35 which can be formed on the extension portion 32 and the main body portion 41 and extend along the circumference of the extension portion 32 and the main body portion 41.

[0082] Figure 9 The heating seat 40 in an alternative embodiment of the present application is shown, which is mainly different from the above-mentioned embodiments in that the lower liquid outlet 420 in this embodiment further includes a communication lower liquid outlet 423 which communicates between the two expanded lower liquid outlets 422 and can further increase the lower liquid area of the lower liquid outlet 420.

[0083] In this embodiment, the lower liquid outlet 420 is annular, and a boss 426 can be upwardly protruding in the lower liquid outlet 420, and the air vent hole 425 can extend downwardly from the upper end surface of the boss 426. One side of the boss 426 can be integrally combined with the edge of the main lower liquid outlet 421. The other side of the boss 426 has a distance from the edge of the communication lower liquid outlet 423 for liquid flow.

[0084] In addition, the bottom surface of the communication lower liquid outlet 423 can also be inclined, and the length of the two sides can be inclined toward the two expanded lower liquid outlets 422, respectively, so that the liquid substrate in the communication lower liquid outlet 423 can flow to the expanded lower liquid outlets 422 under the action of gravity, and then flow to the main lower liquid outlet 421 through the expanded lower liquid outlets 422.

[0085] Figures 10-11 The atomizing main body 20 in the first alternative embodiment of the present application is shown, which is mainly different from the above-mentioned embodiments in that in this embodiment, the sealing sleeve 70 further includes a covering portion 721 which is arranged in the liquid inlet 720 and divides the liquid inlet 720 into two sub-liquid inlets 7201. The covering portion 721 is located above the lower liquid outlet 420 and can cover part of the lower liquid outlet 420. By covering part of the lower liquid outlet 420, when the atomizer 100 is in the reverse suction state (the output port 121 is downward), the resistance of the liquid substrate flowing back in the lower liquid passage 45 is increased, so that the lower liquid passage 45 always maintains a liquid substrate capable of supplying the suction liquid 51 for atomization, and the generation of a burnt taste caused by the backflow of air bubbles to the suction liquid 51 is reduced.

[0086] Specifically, the cover portion 721 can be located in the middle of the liquid inlet 720, i.e., the cover portion 721 is located above the main lower liquid outlet 421 and covers at least part of the main lower liquid outlet 421. The width of the cover portion 721 is integrally combined with the edges of the width of the middle of the liquid inlet 720. Two sub-liquid inlets 7201 are respectively located on the left and right sides of the cover portion 721 and respectively correspond to the two extended lower liquid outlets 422. In addition, the two sub-liquid inlets 7201 are symmetrically arranged and not communicated with each other. It can be understood that in other embodiments, the cover portion 721 can be integrally combined with only one side edge of the liquid inlet 720.

[0087] In the present embodiment, the width of the cover portion 721 is consistent with the width of the main lower liquid outlet 421, and the length of the cover portion 721 is less than the length of the main lower liquid outlet 421. The cover portion 721 can extend downward by a length, so that the lower part of the cover portion 721 can be embedded into the main lower liquid outlet 421, and the width of the cover portion 721 can be in contact with the hole wall surface on both sides of the width of the main lower liquid outlet 421. The cover portion 721 makes the left and right of the lower liquid passage 45 form a U-shaped tube communicator, and through the liquid pressure on both sides of the communicator, the lower liquid passage 45 always has a liquid matrix to supply the liquid absorption body 51. In other embodiments, the width of the cover portion 721 on both sides can also have a gap with the hole wall surface on both sides of the width of the main lower liquid outlet 421.

[0088] Figure 12 The sealing sleeve 70 in the second alternative of the present application is shown, and the main difference from the first alternative is that the cover portion 721 in the present embodiment separates the liquid inlet 720 into two main liquid inlets 7202 and one auxiliary liquid inlet 7203. The two main liquid inlets 7202 respectively correspond to the two extended lower liquid outlets 422, and the auxiliary liquid inlet 7203 corresponds to the main lower liquid outlet 421. It can be understood that in other embodiments, each extended lower liquid outlet 422 can also be connected with more than one main liquid inlet 7202, and / or the main lower liquid outlet 421 can also be connected with more than one auxiliary liquid inlet 7203.

[0089] The main function of the main liquid inlet 7202 is to ensure that the lower liquid area is large enough to be the main liquid supply path. The auxiliary liquid inlet 7203 can provide a certain amount of liquid supply, and at the same time, it is beneficial for the atomization assembly 50 to enter the bubbles from the micropores of the liquid absorption body 51 during the atomization process, and the bubbles can be discharged from the lower liquid passage 45 to the liquid storage cavity 110 in time due to the negative pressure of the liquid storage cavity 110. In the present embodiment, the two main liquid inlets 7202 and the auxiliary liquid inlet 7203 all have a large lower liquid area, the two main liquid inlets 7202 are respectively located on the two opposite sides of the liquid inlet 720, and the auxiliary liquid inlet 7203 is located in the middle of the liquid inlet 720.

[0090] Figure 13The sealing sleeve 70 in the third alternative of the present application is shown, which mainly differs from the second alternative in that the cover portion 721 in the present embodiment separates the liquid inlet 720 into two main liquid inlets 7202 and two auxiliary liquid inlets 7203. The two auxiliary liquid inlets 7203 are both located above the main lower liquid inlet 421 and communicate with the main lower liquid inlet 421, so that each auxiliary liquid inlet 7203 has a smaller lower liquid area. Generally speaking, the smaller the lower liquid area of the auxiliary liquid inlet 7203, the greater the surface tension of the liquid matrix, and in the reverse pumping state, the liquid matrix in the lower liquid passage 45 is less likely to flow out of the lower liquid passage 45.

[0091] It can be understood that the above technical features can be used in any combination without limitation.

[0092] The above embodiments only express the specific implementation of the present application, which is described in more detail and in more detail, but it cannot be understood as a limitation on the scope of the patent of the present application; it should be pointed out that for ordinary skilled in the art, the above technical features can be freely combined without departing from the concept of the present application, and some modifications and improvements can be made, which belong to the protection scope of the present application; therefore, any equivalent transformation and modification within the scope of the claims of the present application shall belong to the scope of the claims of the present application.

Claims

1. An atomizer characterized by, The application relates to a heating device, comprising: a shell (10) internally formed with a liquid storage cavity (110); a heating seat (40) accommodated in the shell (10); and an atomization assembly (50) at least partially accommodated in the heating seat (40) and comprising a liquid suction surface (512); the liquid suction surface (512) is arranged in parallel with or at an angle to the axis of the atomizer (100); an end surface of the heating seat (40) facing the liquid storage cavity (110) is concave and formed with a liquid outlet (420), the liquid outlet (420) comprises a main liquid outlet (421) and at least one extended liquid outlet (422) extending outward from at least one side of the main liquid outlet (421), and the heating seat (40) is further formed with a liquid hole (410) connecting the main liquid outlet (421) and the liquid suction surface (512), the cross-sectional area of the liquid hole (410) is smaller than that of the liquid outlet (420), the at least one extended liquid outlet (422) comprises two extended liquid outlets (422) respectively located at two opposite sides of the main liquid outlet (421).

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

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

4. The atomizer of claim 1, wherein, The bottom surface of the at least one extended liquid outlet (422) is arranged to be inclined towards the main liquid outlet (421), so that the liquid matrix in the at least one extended liquid outlet (422) can flow to the main liquid outlet (421) under the action of gravity.

5. The atomizer of claim 1, wherein, The cross-sectional areas of the two extended liquid outlets (422) are the same or different.

6. The atomizer of claim 5, wherein, The liquid outlet (420) further comprises a communication liquid outlet (423) connecting the two extended liquid outlets (422).

7. The atomizer of claim 6, wherein, The bottom surface of the communication liquid outlet (423) is arranged to be inclined, so that the liquid matrix in the communication liquid outlet (423) can flow to the two extended liquid outlets (422) under the action of gravity.

8. The atomizer of claim 1, wherein, The axis of the liquid hole (410) is arranged in parallel with or at an angle to the liquid suction surface (512).

9. The atomizer of claim 1, wherein, The atomizer further comprises a sealing sleeve (70) accommodated in the shell (10) and sleeved on the heating seat (40), and the sealing sleeve (70) is formed with a liquid inlet (720) connected with the liquid outlet (420).

10. The atomizer of claim 9, wherein, The liquid inlet (720) and the liquid outlet (420) have the same cross-sectional shape and size.

11. The atomizer of claim 9, wherein, The sealing sleeve (70) further comprises a covering part (721) arranged in the liquid inlet (720) and covering at least part of the liquid outlet (420).

12. The atomizer of claim 11, wherein, The covering part (721) covers at least part of the main liquid outlet (421).

13. The atomizer of claim 11, wherein, The covering part (721) divides the liquid inlet (720) into two sub-liquid inlets (7201) not connected with each other, and covers part of the main liquid outlet (421) and at least partially extends into the main liquid outlet (421).

14. The atomizer of claim 11, wherein, The cover part (721) separates the liquid inlet (720) into at least one auxiliary liquid inlet (7203) communicated with the main lower liquid outlet (421) and at least one main liquid inlet (7202) communicated with the at least one extended lower liquid outlet (422).

15. The atomizer of any of claims 1-14, wherein, The atomization assembly (50) further comprises an atomization face (511), and an air inlet channel (310) communicated with the atomization face (511) is further formed in the shell (10), and an axis of the air inlet channel (310) is parallel to or forms an angle with the atomization face (511).

16. The atomizer of any of claims 1-14, wherein, The atomizer (100) further comprises a base (30) at least partially accommodated in the shell (10), and the atomization assembly (50) is accommodated between the heating seat (40) and the base (30).

17. An electronic atomizing device, characterized by, An atomizer comprising any one of claims 1 to 16.

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