Atomization nozzle and electronic atomization device

Abstract

An atomization nozzle and an electronic atomization device. The atomization nozzle (11) comprises a housing (111) and a core (112). The housing (111) is internally provided with an accommodating space (111a), an atomization channel (111b), and a communication port (111c). The core (112) is provided with a liquid outlet (112a) and a liquid channel (112b), wherein the liquid outlet (112a) has one end communicated with the liquid channel (112b), and the other end communicated with the communication port (111c). The atomization nozzle (11) is provided with a gas channel (11a) and a gas outlet (11b), wherein the gas outlet (11b) is communicated with the gas channel (11a) and the atomization channel (111b), and the gas outlet (11b) is used for ejecting gas so as to atomize a liquid to be atomized ejected from the liquid outlet (112a). Along the gas flow direction, the flow cross-sectional area of the gas outlet (11b) decreases. As the flow cross-sectional area of the gas outlet (11b) decreases, gas can be ejected at a high speed and high pressure, so as to generate a strong shear force to effectively break up the liquid to be atomized to form atomized particles having a sufficiently small particle size; and the high-pressure and high-speed gas flow can also facilitate rapid outflow of the liquid to be atomized through the liquid outlet (112a), thereby reducing the probability of the high-viscosity liquid to be atomized blocking the liquid outlet (112a), and thus improving the user experience.

Description

Atomizing nozzle and electronic atomizing device

[0001] Cross-reference to related applications

[0002] The present application is based on and claims priority to Chinese Patent Application No. 202422356979.8, filed on September 25, 2024, the entire contents of which are incorporated herein by reference. TECHNICAL FIELD

[0003] The present application relates to the technical field of atomization, in particular to an atomizing nozzle and an electronic atomizing device. BACKGROUND

[0004] The atomizing nozzle is a device capable of atomizing and spraying liquid and uniformly suspending it in the air. The use of the atomizing nozzle can effectively increase the contact area between the atomizing medium and the surrounding medium, and can be widely applied in the fields of dust removal, combustion, medical treatment, humidification, beauty care, etc.

[0005] The atomizing nozzle used in the related art utilizes a certain pressure gas to form a high-pressure gas flow to disperse the atomizing medium sprayed at low pressure to form atomized particles. The atomizing nozzle selects a small-diameter liquid outlet to reduce the liquid discharge amount of the atomizing medium, so that the high-pressure gas can more easily disperse the atomizing medium to form atomized particles with small particle size. However, for atomizing a liquid with high viscosity, it is difficult to disperse the atomizing medium due to its large surface tension, and problems such as large atomized particles, incomplete atomization, and discontinuity are prone to occur, which is difficult to meet the user's use requirements. SUMMARY

[0006] Therefore, the embodiments of the present application aim to provide an atomizing nozzle and an electronic atomizing device. When the gas passes through the gas outlet, the flow rate and pressure of the gas flow are further increased, and the high-pressure high-speed gas can better shear the atomizing liquid, so that the gas-liquid mixing atomization process is more sufficient, and smaller atomized particle size is obtained.

[0007] To achieve the above-mentioned purpose, the technical solutions of the embodiments of the present application are as follows:

[0008] The embodiments of the present application provide an atomizing nozzle, comprising:

[0009] A shell having a containing space, an atomizing channel, and a communication port, the communication port communicating the atomizing channel and the containing space, and the atomizing channel being communicated with the external environment at one end away from the communication port;

[0010] A core body arranged in the containing space, the core body having a liquid outlet and a liquid channel, the liquid channel being used for passing in atomizing liquid, one end of the liquid outlet being communicated with the liquid channel, and the other end being communicated with the communication port;

[0011] The atomizing nozzle has a gas channel and a gas outlet, the gas outlet is communicated with the gas channel and the atomizing channel, and the gas outlet is used for spraying gas to atomize the atomized liquid sprayed from the liquid outlet.

[0012] In the gas flow direction, the flow area of the gas outlet decreases.

[0013] In some embodiments, the number of gas outlets is multiple, and the multiple gas outlets are arranged in a circumferential direction and surround the liquid outlet in a planar projection perpendicular to the axial direction of the atomizing nozzle.

[0014] In some embodiments, the number of gas outlets is three, and the included angle between the center line of any two adjacent gas outlets and the center line of the liquid outlet is 120°.

[0015] In some embodiments, the included angle between the center line of the liquid outlet and the center line of the gas outlet is 30°-60°.

[0016] In some embodiments, the gas outlet is in the form of a sector in a planar projection perpendicular to the axial direction of the atomizing nozzle.

[0017] In some embodiments, the diameter of the liquid outlet is 0.2mm-0.4mm.

[0018] In some embodiments, the liquid channel includes a first channel and a second channel communicated with each other, and the first channel is communicated with the liquid outlet and the second channel.

[0019] In the direction close to the liquid outlet, the flow area of the first channel decreases, and / or the flow area of the second channel decreases.

[0020] In some embodiments, the core includes a first cylinder and a second cylinder, the space in the first cylinder defines the liquid channel and the liquid outlet, the second cylinder surrounds the outer periphery of part of the structure of the first cylinder and is connected to the end of the first cylinder away from the liquid outlet in the axial direction, and the annular space between the circumferential inner surface of the second cylinder and the circumferential outer surface of the first cylinder, the space between the annular space and the inner surface of the accommodation space and the circumferential outer surface of another part of the structure of the first cylinder collectively define the gas channel.

[0021] In some embodiments, the atomizing nozzle is provided with an air inlet, the gas channel is communicated with the air inlet and the gas outlet, and the air inlet penetrates the side wall of the accommodation space and the side wall of the annular space.

[0022] In some embodiments, the first cylinder portion includes a first tapered portion and a second tapered portion, the second tapered portion protrudes from the second cylinder portion, a taper of the second tapered portion is greater than a taper of the first tapered portion, a part of a circumferential outer surface of the second tapered portion is in contact with an inner surface of the accommodation space, another part of the circumferential outer surface of the second tapered portion and a part of the circumferential outer surface of the first tapered portion are recessed inwardly and spaced apart from the inner surface of the accommodation space to form the gas outlet.

[0023] In some embodiments, the atomizing nozzle includes a base, the base is provided at an axial end of the accommodation space and is in abutment with an end of the wick away from the liquid outlet, the base has a liquid guide channel, the liquid guide channel is in communication with the liquid channel.

[0024] In some embodiments, the atomizing nozzle includes a first sealing ring, the first sealing ring is clamped between the wick and a side wall of the accommodation space; and / or, the atomizing nozzle includes a second sealing ring, the second sealing ring is arranged between the base and the wick.

[0025] The electronic atomizing device provided by the embodiments of the present application comprises:

[0026] an outer cover;

[0027] a main body;

[0028] and the atomizing nozzle described in any of the embodiments of the present application;

[0029] The atomizing nozzle is detachably connected to the main body, at least a part of the atomizing nozzle is arranged in the outer cover, the outer cover is in abutment with a side end surface of the main body close to the atomizing nozzle in an axial direction, the main body is formed with a gas guide channel and a gas inlet, the gas inlet is used to access an external pressure source, and the gas guide channel is used to guide gas to the gas channel.

[0030] The atomizing nozzle provided by the embodiments of the present application has a continuously decreasing flow area of the gas outlet in the direction of gas flow, which can make the gas be sprayed out at a high speed and a high pressure, the high-pressure and high-speed gas can generate a strong shear force to effectively break the atomized liquid to form atomized particles with a small enough particle size, thereby reducing the probability of incomplete atomization of high-viscosity medium, and the high-pressure and high-speed gas flow can also facilitate the atomized liquid to flow out of the liquid outlet quickly, thereby reducing the probability of blockage of the liquid outlet by high-viscosity atomized liquid and increasing user experience. BRIEF DESCRIPTION OF DRAWINGS

[0031] FIG. 1 is a partial structural schematic view of an electronic atomizing device according to an embodiment of the present application;

[0032] FIG. 2 is a structural schematic view of an atomizing nozzle according to an embodiment of the present application;

[0033] Fig. 3 is an exploded schematic view of the atomizing nozzle shown in Fig. 2;

[0034] Fig. 4 is another schematic view of the structure of the atomizing nozzle shown in Fig. 2;

[0035] Fig. 5 is a schematic view of the partial structure of the atomizing nozzle shown in Fig. 2, with the shell, the base and the second sealing ring omitted from the illustration;

[0036] Fig. 6 is a schematic view of the partial structure of the atomizing nozzle of another embodiment of the present application, with the shell, the base and the second sealing ring omitted from the illustration;

[0037] Fig. 7 is a schematic view of the structure shown in Fig. 6 from another perspective;

[0038] Fig. 8 is an enlarged schematic view of the enlarged schematic view of Fig. 7 at A; DETAILED DESCRIPTION

[0039] It should be noted that the embodiments and technical features in the present application can be combined with each other without conflict, and the detailed description in the specific embodiments should be understood as the explanation and illustration of the present application, and should not be regarded as improper limitation of the present application.

[0040] The various specific technical features described in the specific embodiments can be combined in any suitable manner without conflict, for example, different combinations of specific technical features can form different embodiments and technical solutions. In order to avoid unnecessary repetition, various possible combinations of the various specific technical features in the present application are not described again.

[0041] In the following description, the terms "first\second\..." are only used to distinguish different objects, and do not mean that the objects have the same or related aspects. It should be understood that the terms "upper", "lower", "top", "bottom", "left", "right" are the positions in the normal use state, and the "left" and "right" directions shown in the specific schematic view can be the left and right directions in the normal use state or not.

[0042] It should be noted that the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitation, the element defined by the statement "including one" does not exclude the existence of another identical element in the process, method, article or device including the element. "Multiple" means greater than or equal to two.

[0043] The embodiment of the present application provides an atomizing nozzle 11.

[0044] Specifically, the atomizing nozzle 11 is used for atomizing the atomizing liquid to generate aerosol.

[0045] Please refer to FIG. 2 to FIG. 8, the atomizing nozzle 11 comprises a shell 111 and a core 112.

[0046] The shell 111 has a containing space 111a, an atomizing channel 111b and a communicating port 111c, the communicating port 111c communicates the atomizing channel 111b and the containing space 111a, and one end of the atomizing channel 111b far away from the communicating port 111c communicates with the external environment. The core 112 is arranged in the containing space 111a, and has a liquid outlet 112a and a liquid channel 112b, the liquid channel 112b is used for passing the atomizing liquid, and one end of the liquid outlet 112a communicates with the liquid channel 112b, and the other end communicates with the communicating port 111c.

[0047] The atomizing liquid refers to the liquid which is converted into fine liquid drops or aerosol form in the atomizing process. The atomizing liquid can be medicine liquid or tobacco tar, which is not limited here. Specifically, the atomizing liquid in the liquid channel 112b flows to the atomizing channel 111b through the liquid outlet 112a and the communicating port 111c, and the atomizing liquid is atomized in the atomizing channel 111b, and the aerosol or fine liquid drops generated by the atomizing liquid are directly discharged to the external environment for the user to use.

[0048] It can be understood that the atomizing channel 111b can be exposed on the outer surface of the atomizing nozzle 11, so that the aerosol or fine liquid drops generated after atomizing are directly used by the user.

[0049] The atomizing nozzle 11 has a gas channel 11a and a gas outlet 11b, the gas outlet 11b communicates the gas channel 11a and the atomizing channel 111b, and the gas outlet 11b is used for spraying gas to atomize the atomizing liquid sprayed from the liquid outlet 111a.

[0050] It can be understood that the spraying here refers to that the gas sprayed from the gas outlet 11b is the gas with certain pressure (greater than or much greater than the atmospheric pressure) and flow rate, the atomizing liquid sprayed from the liquid outlet 111a is also the liquid with certain pressure (greater than or much greater than the atmospheric pressure) and flow rate, and when the two collide, a strong shear force can be generated to split the atomizing liquid into fine liquid drops.

[0051] It can be understood that the forming manner of the air passage 11a is not limited, and exemplarily, the core 112 and the shell 111 jointly define the air passage 11a, here, the outer surface of the core 112 and the inner surface of the accommodating space 111a jointly define the air passage 11a, or the core 112 itself defines part of the air passage 11a, and the outer surface of the core 112 and the inner surface of the accommodating space 111a define another part of the air passage 11a; of course, in other examples, the air passage 11a can also be defined by other structures.

[0052] The forming manner of the gas outlet 11b is not limited, and exemplarily, in some embodiments, the outer surface of the core 112 on the side close to the liquid outlet 112a and the space between the inner surface of the communication port 111c and the inner surface of the accommodating space 111a form the gas outlet 11b.

[0053] It can be understood that the gas outlet 11b is a structure with a certain extension size, that is, it can generally form a channel for the high-pressure high-speed gas to be sprayed out. The high-pressure high-speed gas in the air passage 11a flows to the atomization channel 111b through the gas outlet 11b to impact and cut the atomized liquid sprayed out of the liquid outlet 111a, and tear the atomized liquid.

[0054] Among them, along the flow direction of the gas flow, the flow passage area of the gas outlet 11b decreases.

[0055] It should be noted that the decrease of the flow passage area of the gas outlet 11b refers to the overall decrease of the flow passage area, and here the decrease can be continuous or stepwise. The continuous decrease here can be linear, exponential or logarithmic.

[0056] Exemplarily, along the flow direction of the gas flow, the flow passage area of the gas outlet 11b continuously decreases, so that the flow stability of the high-pressure high-speed gas in the gas outlet 11b can be increased, thereby increasing the atomization effect.

[0057] It should be noted that the flow passage area refers to the flow area for the gas flow.

[0058] It can be understood that the gas can be pressurized and accelerated by mechanical means before entering the air passage 11a of the atomizing nozzle 11, for example, by a gas pump (also known as an air compressor or compressor) to obtain high-pressure high-speed gas, which is sprayed out through the air passage 11a and the gas outlet 11b. Thus, when passing through the gas outlet 11b with a continuously decreasing flow passage area, the pressure and speed of the gas can be further increased.

[0059] That is, the flow area of the gas outlet 11b decreases in the direction close to the atomization channel 111b. When the flow area decreases, the flow rate and pressure of the high-pressure high-speed gas in the gas outlet 11b increase, thereby generating stronger shear force.

[0060] Specifically, the high-pressure high-speed gas flow meets the atomized liquid at the inlet of the atomization channel 111b, generating strong shear force, which helps to break the atomized liquid into small particles, tear the atomized liquid into liquid film, liquid filament, liquid strip and small droplets, and realize atomization. At the same time, the increase of the flow rate and pressure of the gas flow also helps to drive the atomized liquid at the liquid outlet 112a to pass through the liquid outlet 112a faster, reducing the risk of blockage.

[0061] The atomizing nozzle 11 provided by the embodiment of the present application has a decreasing flow area of the gas outlet 11b along the direction of the gas flow, which can make the gas be sprayed out at a high speed and high pressure, and the high-pressure high-speed gas can generate strong shear force to effectively break the atomized liquid to form atomized particles with small enough particle size, thereby reducing the probability of incomplete atomization of high-viscosity medium. In addition, the high-pressure high-speed gas flow can also facilitate the atomized liquid to flow out of the liquid outlet 112a quickly, thereby reducing the probability of blockage of the liquid outlet 112a by high-viscosity atomized liquid and increasing the user experience.

[0062] Exemplarily, the gas pressure of the high-pressure high-speed gas entering the gas channel 11a can be adjusted by adjusting the parameters of the gas pump. Of course, the way of reducing the flow area of the gas outlet 11b and the size of the flow area of the gas outlet 11b can also be adjusted to adjust the gas pressure of the high-pressure high-speed gas sprayed out of the gas outlet 11b, which is not limited herein.

[0063] Of course, the flow area of the liquid channel 112b and the liquid outlet 112a can also be designed to adjust the liquid inlet amount of the liquid channel 112b, so as to facilitate atomization with appropriate liquid inlet amount and appropriate gas pressure.

[0064] The number of the gas outlets 11b is not limited, which can be one or multiple.

[0065] Exemplarily, in some embodiments, referring to FIG. 5 and FIG. 6, the number of the gas outlets 11b is multiple, and the multiple gas outlets 11b are arranged in a circumferential direction and surround the liquid outlet 112a in a planar projection perpendicular to the axial direction of the atomizing nozzle 11.

[0066] It can be understood that the multiple gas outlets 11b arranged in the circumferential direction are independent of each other and do not affect each other.

[0067] In this embodiment, the plurality of gas outlets 11b can simultaneously spray high-pressure high-speed gas, so that the gas flow forms a plurality of high-speed airflow points around the liquid outlet 112a, more uniformly contacts the atomized liquid, and the gas outlets 11b arranged around the liquid outlet 112a can enable the gas flow to effectively mix with the atomized liquid in all directions, thereby improving the atomization effect.

[0068] At the same time, the high-speed airflow generated by the plurality of gas outlets 11b exerts shear force on the atomized liquid in multiple directions, can form multiple cuts on the atomized liquid, and can split the atomized liquid into fine particles, thereby increasing the atomization completeness and reducing the atomized particle size. In addition, the plurality of gas outlets 11b can also provide multiple airflow paths, so that even if one gas outlet 11b is blocked, the other gas outlets 11b can still work. At the same time, it can also help the atomized liquid to flow out of the liquid outlet 112a.

[0069] In some embodiments, referring to FIG. 6, the number of gas outlets 11b is three, and the included angle β between the center line of any two adjacent gas outlets 11b and the center line of the liquid outlet 112a is 120°.

[0070] In this embodiment, the number of gas outlets 11b is three, and each gas outlet 11b is uniformly arranged, which facilitates to increase the uniformity of the atomization effect. At the same time, the distance between the three gas outlets 11b can also be relatively appropriate, so that the atomization nozzle 11 has three gas paths, thereby enhancing the cutting effect on the atomized liquid, and the three gas outlets 11b do not interfere with each other. In addition, the overall structure of the atomization nozzle 11 can also be relatively stable, thereby increasing the atomization reliability.

[0071] In other embodiments, referring to FIG. 5, the number of gas outlets 11b is four. The included angle between the center line of any two adjacent gas outlets 11b and the center line of the liquid outlet 112a is 90°.

[0072] In some embodiments, referring to FIG. 5, the included angle α between the center line of the liquid outlet 112a and the center line of the gas outlet 11b is 30°-60°, i.e., 30°≤α≤60°, for example, 30°, 32°, 37°, 40°, 43°, 45°, 48°, 50°, 54°, 56°, 59°, 60°, etc.

[0073] In this embodiment, the angle between the center line of the liquid outlet 112a and the center line of the gas outlet 11b can facilitate the liquid outlet 112a to spray high-pressure high-speed gas at a relatively appropriate angle, thereby facilitating the contact between the high-pressure high-speed gas and the atomized liquid, and then impacting and splitting the atomized liquid, thereby improving the atomization effect. At the same time, the mist outlet angle can also be controlled within a good range.

[0074] In some embodiments, referring to FIGS. 7 and 8, the gas outlet 11b is in the shape of a sector in a projection along a plane perpendicular to the axial direction of the atomizing nozzle 11.

[0075] In this embodiment, the sector-shaped gas outlet 11b can provide a larger coverage area so that sufficient high-pressure high-speed gas can be sprayed out of the gas outlet 11b. Meanwhile, the sector-shaped gas outlet 11b can generate a relatively uniform distribution of high-pressure high-speed gas, so that the high-pressure high-speed gas is sprayed out more stably, facilitating the mixing of the high-pressure high-speed gas and the atomized liquid and increasing the atomization effect.

[0076] For example, the liquid outlet 112a can be in the shape of a circular hole, and the axis of the liquid outlet 112a is the center line of the liquid outlet 112a.

[0077] In some embodiments, referring to FIG. 8, the diameter of the liquid outlet 112a is 0.2 mm to 0.4 mm, for example, 0.2 mm, 0.24 mm, 0.25 mm, 0.27 mm, 0.3 mm, 0.32 mm, 0.34 mm, 0.36 mm, 0.38 mm, 0.4 mm, etc.

[0078] In this embodiment, the range of the diameter of the liquid outlet 112a is set so that the atomized liquid with a larger viscosity will not block the liquid outlet 112a, and on the other hand, the size of the sprayed atomized liquid is appropriate, facilitating the atomization by the high-speed gas to form smaller atomized particles.

[0079] In some embodiments, referring to FIG. 4, the liquid channel 112b includes a first channel 112c and a second channel 112d that are in communication with each other, and the first channel 112c is in communication with the liquid outlet 112a and the second channel 112d.

[0080] In the direction close to the liquid outlet 112a, the flow cross-sectional area of the first channel 112c decreases.

[0081] Here, the decrease can be continuous or stepwise. The flow cross-sectional area of the first channel 112c refers to the flow area of the atomized liquid flowing through the first channel 112c.

[0082] That is, in the direction close to the atomizing channel 111b, the flow cross-sectional area of the first channel 112c decreases, and when the flow area decreases, the flow rate of the atomized liquid sprayed out of the liquid outlet 112a increases, thereby increasing the rate of the atomized liquid sprayed out of the liquid outlet 112a.

[0083] In this embodiment, the flow passage cross-sectional area of the first passage 112c is reduced, which facilitates the formation of a high-speed jet at the liquid outlet 112a, and increases the kinetic energy of the atomized liquid. The high-pressure and high-speed liquid can reduce the residence time of the liquid in the atomizing nozzle 11, and reduce the risk of clogging. The combination of the high-pressure and high-speed liquid and the high-pressure and high-speed airflow can facilitate the mixing of the gas and the liquid, and generate stronger shear force to break the atomized liquid into fine particles.

[0084] For example, the flow passage cross-sectional area of the first passage 112c is continuously reduced, which increases the stability of the liquid sprayed from the liquid outlet 112a, and increases the atomization effect.

[0085] In some embodiments, referring to FIG. 4, the flow passage cross-sectional area of the second passage 112d is reduced along the direction close to the liquid outlet 112a.

[0086] In this embodiment, the flow passage cross-sectional area of the second passage 112d is reduced, which facilitates the atomized liquid to be sprayed from the liquid outlet 112a at a higher speed, and helps to break the atomized liquid into finer droplets.

[0087] In the embodiment in which the flow passage cross-sectional area of the first passage 112c is reduced along the direction close to the communication port 111c, the flow passage cross-sectional area of the second passage 112d is reduced, which can further increase the flow rate of the atomized liquid, so as to combine with the high-speed airflow, reduce the form of large particles, and make the spray more delicate.

[0088] For example, the flow passage cross-sectional area of the second passage 112d is continuously reduced, which increases the stability of the liquid sprayed from the liquid outlet 112d, and increases the atomization effect.

[0089] For example, the flow passage cross-sectional area of the second passage 112d is greater than that of the first passage 112c at any position. While having sufficient liquid inlet amount, the liquid flowing from the first passage 112c to the liquid outlet 112a can also have a high enough pressure and flow rate.

[0090] Of course, in other embodiments, the second passage 112d can also be a constant-diameter passage.

[0091] The specific structure of the core 112 is not limited.

[0092] In some embodiments, referring to FIGS. 3-6, the core 112 includes a first cylinder portion 1121 and a second cylinder portion 1122. The space in the first cylinder portion 1121 defines the liquid channel 112b and the liquid outlet 112a. The second cylinder portion 1122 surrounds the outer periphery of part of the structure of the first cylinder portion 1121 and is connected to the first cylinder portion 1121 at an end axially away from the liquid outlet 112a. The circumferential inner surface of the second cylinder portion 1122 and the circumferential outer surface of the first cylinder portion 1121 have an annular space 1122a therebetween. The annular space 1122a, the circumferential outer surface of another part of the structure of the first cylinder portion 1121, and the inner surface of the accommodation space 111a together define the gas channel 11a.

[0093] In this embodiment, the provision of the first cylinder portion 1121 and the second cylinder portion 1122 enables the gas channel 11a and the liquid channel 112b to be separated, that is, the gas channel 11a and the liquid channel 112b are independent of each other and are not in communication with each other. In this way, the gas and the liquid are prevented from mixing too early, and the efficiency of the mixing of the gas and the liquid is improved. At the same time, the independent design of the gas channel 11a and the liquid channel 112b also enables the flow path of the gas and the flow path of the liquid to be optimized respectively, and the overall performance is improved. The annular space 1122a can facilitate the increase in the stability and uniformity of the flow of the high-pressure and high-speed gas and has sufficient flow space.

[0094] In some embodiments, referring to FIGS. 3-6, the atomizing nozzle 11 is provided with a gas inlet 11c. The gas inlet 11c penetrates the side wall of the accommodation space 111a and the side wall of the annular space 1122a. The gas channel 11a is in communication with the gas inlet 11c and the gas outlet 11b.

[0095] That is, the high-pressure and high-speed gas enters the gas channel 11a through the gas inlet 11c and then exits the gas channel 11a through the gas outlet 11b.

[0096] In this embodiment, the gas inlet 11c penetrates the side wall of the accommodation space 111a and the side wall of the annular space 1122a. That is, the high-pressure and high-speed gas first enters the core 112 through the shell 111. The core 112 does not need to be directly in communication with the external environment, so that the shell 111 protects the core 112 and increases the stability of the arrangement of the core 112. At the same time, the shell 111 and the core 112 cooperate to facilitate the intake of air, which can increase the stability of the intake of air, increase the impact resistance, and improve the structural stability of the atomizing nozzle 11.

[0097] In some embodiments, referring to FIG. 4, the first barrel portion 1121 includes a first tapered portion 11211 and a second tapered portion 11212, the second tapered portion 11212 protrudes from the second barrel portion 1122, the taper of the second tapered portion 11212 is greater than that of the first tapered portion 11211, a part of the circumferential outer surface of the second tapered portion 11212 is in contact with the inner surface of the accommodation space 111a, and another part of the circumferential outer surface of the second tapered portion 11212 and a part of the circumferential outer surface of the first tapered portion 11211 are recessed inwardly and spaced apart from the inner surface of the accommodation space 111a to form the gas outlet 11b.

[0098] In this embodiment, the taper of the second tapered portion 11212 is greater than that of the first tapered portion 11211, which facilitates the formation of a gradually narrowing passage and increases the flow speed of the atomized liquid. By designing the outer surfaces of the first tapered portion 11211 and the second tapered portion 11212 and cooperating with the inner surface of the accommodation space 111a, the gas outlet 11b is formed, and the structure of the atomizing nozzle 11 is simplified by skillfully utilizing the structure of the first barrel portion 1121 to form a gas outlet 11b with a variable cross-sectional area. At the same time, the part of the circumferential outer surface of the second tapered portion 11212 is in contact with the inner surface of the accommodation space 111a, which can facilitate the mutual isolation of the gas outlets 11b in embodiments with multiple gas outlets 11b, and can also increase the cooperation stability of the core 112 and the shell 111 and the structural stability of the atomizing nozzle 11.

[0099] In some embodiments, referring to FIGS. 2 to 4, the atomizing nozzle 11 includes a base 113, the base 113 is provided with a liquid guiding passage 113a, the liquid guiding passage 113a is in communication with the liquid channel 112b.

[0100] In this embodiment, the cooperation of the base 113 and the core 112 can effectively support the core 112 and make the structure of the entire atomizing nozzle 11 more stable, thereby reducing performance fluctuations caused by vibration or external interference. The liquid guiding passage 113a on the base 113 can also guide the atomized liquid from the external system into the liquid channel 112b to ensure stable supply of the liquid.

[0101] For example, the shell 111 is provided with at least one clamping groove 11d, and the outer surface of the base 113 is provided with at least one clamping block 1131, the clamping block 1131 is inserted into the clamping groove 11d to realize stable butt joint of the shell 111 and the base 113 and reduce the probability of disengagement of the base 113.

[0102] In some embodiments, referring to FIGS. 3 and 4, the atomizing nozzle 11 includes a first sealing ring 114, the first sealing ring 114 is clamped between the core 112 and the side wall of the accommodation space 111a.

[0103] In this embodiment, the first sealing ring 114 is arranged to effectively seal the space between the core 112 and the shell 111, thereby reducing the probability of gas leakage and increasing the stability of atomization.

[0104] In some embodiments, referring to FIGS. 3 and 4, the atomization nozzle 11 comprises a second sealing ring 115 arranged between the base 113 and the core 112.

[0105] In this embodiment, the second sealing ring 115 is arranged to effectively seal the space between the base 113 and the core 112, thereby reducing the probability of gas leakage and increasing the stability of atomization.

[0106] The embodiments of the present application also provide an electronic atomization device 1.

[0107] Referring to FIG. 1, the electronic atomization device 1 comprises a cover 10, a main machine 13, and the atomization nozzle 11 of any of the embodiments of the present application, at least part of the atomization nozzle 11 being arranged in the cover 10.

[0108] It should be noted that the electronic atomization device 1 of the embodiments of the present application can be any type of atomization device. For example, the electronic atomization device 1 is a scalp administration device, and the atomized liquid is a drug solution, such as minoxidil. For another example, the electronic atomization device 1 is an electronic cigarette, and the atomized liquid is tobacco tar.

[0109] It can be understood that at least part of the atomization nozzle 11 is arranged in the cover 10. For example, the entire structure of the atomization nozzle 11 is arranged in the cover 10, but the cover 10 is provided with a through hole for the aerosol or fine liquid droplets formed after the atomized liquid is atomized to be sprayed out. For another example, part of the structure of the atomization nozzle 11 is arranged in the cover 10, and the other part of the structure protrudes out of the cover 10. For example, referring to FIG. 1, part of the structure of the shell 111 protrudes out of the cover 10, and the atomization channel 111b is exposed to the cover 10.

[0110] The atomization nozzle 11 is detachably connected to the main machine 13. The cover 10 and the main machine 13 abut against each other along the side end surface of the atomization nozzle 11. The main machine 13 is formed with a gas guide channel 13b and a gas guide port. The gas guide port is used to connect to an external pressure source, and the gas guide channel 13b is used to guide the gas to the airway 11a.

[0111] The atomization nozzle 11 is detachably connected to the main machine 10. That is, when the atomization nozzle 11 and the main machine 10 are connected, the connection part is stable and not easy to be loosened or separated. When it is necessary to separate the atomization nozzle 11 from the main machine 10, the connection between the atomization nozzle 11 and the main machine 10 can be released, so that the atomization nozzle 11 can be taken out for cleaning or replacement.

[0112] The specific manner of detachable connection is not limited, and can be, for example, threaded connection, snap connection, plug-in connection, etc., which is not limited here.

[0113] The air guide port can be arranged at one end of the main machine 13 away from the atomizing nozzle 11 in the axial direction. The external pressure source is in communication with the air passage 11a through the air guide port and the air guide channel 13b. The external pressure source compresses the gas to provide high-pressure and high-speed gas, so that the gas flow is sprayed out of the air outlet 11b at high pressure and high speed, and the aerosol generation is cut off and dispersed into finer particles, improving the atomization effect.

[0114] The external pressure source here can be a gas pump.

[0115] In some embodiments, referring to FIG. 1, the main machine 13 is formed with a liquid storage cavity 13a for storing atomizing liquid. The liquid guide channel 113a is in communication with the liquid storage cavity 13a. The electronic atomization device 1 comprises a driving mechanism 12 for applying a driving force to push the atomizing liquid in the liquid storage cavity 13a to the liquid guide channel 113a and then to the liquid passage 112b.

[0116] Of course, the electronic atomization device 1 can also be configured with a solenoid valve. By opening and closing the solenoid valve, a pulsating atomization effect can be achieved, increasing the user experience.

[0117] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, different embodiments or examples described in the present application and the features of different embodiments or examples can be combined by those skilled in the art without contradiction.

[0118] The above is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An atomizing nozzle, wherein, The application relates to an atomizing nozzle. The atomizing nozzle comprises a housing, a core and an atomizing nozzle. The housing has a containing space, an atomizing channel and a communicating port. The core is arranged in the containing space. The core has a liquid outlet and a liquid channel.

2. The atomizing nozzle of claim 1, wherein, The liquid channel is used for passing in atomizing liquid.

3. The atomizing nozzle of claim 2, wherein, The liquid outlet is communicated with the liquid channel.

4. The atomizing nozzle of claim 1, wherein, The atomizing nozzle has a gas channel and a gas outlet.

5. The atomizing nozzle of claim 1, wherein, The gas outlet is communicated with the gas channel and the atomizing channel.

6. The atomizing nozzle of claim 1, wherein, The gas outlet is used for spraying gas to atomize the atomizing liquid sprayed from the liquid outlet.

7. The atomizing nozzle of claim 1 wherein, The flow area of the gas outlet decreases along the gas flow direction. The number of the gas outlets is multiple.

8. The atomizing nozzle of claim 1, wherein, The multiple gas outlets are arranged in the circumferential direction and surround the liquid outlet.

9. The atomizing nozzle of claim 8 wherein, The number of the gas outlets is three.

10. The atomizing nozzle of claim 8 wherein, The included angle between the center line of any two adjacent gas outlets and the center line of the liquid outlet is 120 DEG.

11. The atomizing nozzle of claim 1, wherein, The included angle between the center line of the liquid outlet and the center line of the gas outlet is 30 DEG to 60 DEG. The gas outlet is in the form of a sector in the plane projection perpendicular to the axial direction of the atomizing nozzle. The diameter of the liquid outlet is 0.2 mm to 0.4 mm. The liquid channel comprises a first channel and a second channel. The first channel is communicated with the liquid outlet and the second channel. The flow area of the first channel decreases along the direction close to the liquid outlet. The flow area of the second channel decreases. The core comprises a first cylinder and a second cylinder. The space in the first cylinder defines the liquid channel and the liquid outlet. The second cylinder surrounds the outer periphery of the partial structure of the first cylinder and is connected with the first cylinder in the axial direction away from the liquid outlet. The annular space between the circumferential inner surface of the second cylinder and the circumferential outer surface of the first cylinder, the space between the other partial structure of the circumferential outer surface of the first cylinder and the inner surface of the containing space jointly define the gas channel. The atomizing nozzle is provided with an air inlet. The gas channel is communicated with the air inlet and the gas outlet. The air inlet penetrates the side wall of the containing space and the side wall of the annular space. The first cylinder comprises a first taper and a second taper. The second taper is protruded from the second cylinder. The taper of the second taper is greater than that of the first taper. The partial circumferential outer surface of the second taper is in contact with the inner surface of the containing space. The other partial circumferential outer surface of the second taper and the partial circumferential outer surface of the first taper are recessed inward and are arranged in the spaced mode with the inner surface of the containing space to form the gas outlet. The atomizing nozzle comprises a base. The base is arranged in the containing space in the axial direction and is in abutment with the end of the core away from the liquid outlet. The base has a liquid guide channel communicated with the liquid channel.

12. The atomizing nozzle of claim 11, wherein, The atomizing nozzle comprises a first sealing ring clamped between the core and the side wall of the accommodating space; and / or the atomizing nozzle comprises a second sealing ring arranged between the base and the core.

13. An electronic atomizing device, wherein, Comprise: an outer cover; a main machine; and the atomizing nozzle of any one of claims 1-12; wherein the atomizing nozzle is detachably connected with the main machine, at least part of the atomizing nozzle is arranged in the outer cover, the outer cover and the main machine abut along an axial side end surface close to the atomizing nozzle, a gas guide channel and a gas guide port are formed in the main machine, the gas guide port is used to access an external pressure source, and the gas guide channel is used to guide gas to the airway.

Images