WO2024045051A1

WO2024045051A1 - Electronic atomization device, and atomizer and replaceable liquid storage and atomization assembly thereof

Info

Publication number: WO2024045051A1
Application number: PCT/CN2022/116234
Authority: WO
Inventors: 周健光
Original assignee: 深圳沃德韦科技有限公司
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2024-03-07

Abstract

An electronic atomization device (100), and an atomizer (10) and a replaceable liquid storage and atomization assembly (1) thereof. The liquid storage and atomization assembly (1) comprises a liquid storage casing (11) and an atomization core (12); the liquid storage casing (11) comprises a liquid storage chamber (110); the atomization core (12) is arranged on the liquid storage casing (11) and is in liquid guide connection with the liquid storage chamber (110); the liquid storage casing (11) comprises a central gas passage (116); the atomization core (12) comprises an atomization surface; one end of the central gas passage (116) is in gas guide communication with the atomization surface. The central gas passage (116) is arranged in the middle of the liquid storage and atomization assembly (1); compared with a gas flow passage arranged between an atomization tube (3) and the atomization core (12)/a liquid storage bottle, the central gas passage (116) is relatively narrower, so that less atomization liquid is attached thereto, and the central-gas-passage-passing area of an aerosol obtained after atomization is relatively small, effectively reducing atomized atomization liquid attached to the gas passage. The liquid storage and atomization assembly (1) is designed to be replaceable, and can be conveniently mounted and dismounted; fewer parts need to be cleaned subsequently.

Description

Electronic atomization device and its atomizer and replaceable liquid storage atomization assembly

Technical field

The present invention relates to the field of atomization technology, and in particular to an electronic atomization device, its atomizer and a replaceable liquid storage atomization assembly.

Background technique

Aerosol is a colloidal dispersion system formed by small solid or liquid particles dispersed and suspended in a gas medium. Since aerosol can be absorbed by the human body through the respiratory system, it provides users with a new alternative absorption method, such as atomized liquid Electronic atomization devices that are heated to generate aerosols are used in different fields to deliver inhalable aerosols to users, replacing conventional product forms and absorption methods.

When a general electronic atomization device uses relatively viscous atomizing liquid or becomes contaminated after use, the entire atomizer part needs to be replaced, which is costly and wasteful.

technical problem

The technical problem to be solved by the present invention is to provide an electronic atomization device with low consumption and easy use, its atomizer and replaceable liquid storage atomization assembly in view of the defects of the existing technology.

Technical solutions

The technical solution adopted by the present invention to solve the technical problem is to construct a replaceable liquid storage atomization assembly for an atomizer, which includes a liquid storage shell and an atomization core; the liquid storage shell includes a liquid storage chamber , the atomizing core is arranged on the liquid storage shell and is connected to the liquid storage chamber for liquid conduction; the liquid storage shell includes a central air channel formed in the middle, and the atomizing core includes an atomizing surface, one end of the central airway is in air conductive communication with the atomization surface.

Preferably, the liquid storage case is columnar, and the central air channel is formed in the middle of the liquid storage case and extends along the central axis of the liquid storage case.

Preferably, a liquid injection port is formed on the upper end of the liquid storage shell, and the liquid storage atomization assembly further includes a sealing cover, and the sealing cover covers the liquid injection port.

Preferably, the liquid injection port is annular, and the sealing cover is annular to match the liquid injection port; an air guide hole is formed in the middle of the sealing cover, and the air guide hole is connected to the central air channel The upper end is connected.

Preferably, the liquid storage shell and the atomization core are integrally formed.

Preferably, the liquid storage shell includes a cylindrical first casing part and a cylindrical second casing part; the inner diameter of the first casing part is larger than the outer diameter of the second casing part, and the The second housing part is axially disposed inside the first housing part.

Preferably, the inner wall surface of the second housing portion defines the central air passage.

Preferably, the liquid storage chamber is defined between the outer wall surface of the second housing part and the inner wall surface of the first housing part, and the liquid storage chamber is annular.

Preferably, the upper end of the first housing part and the upper end of the second housing part define an annular liquid injection port.

Preferably, the liquid storage case further includes a cylindrical receiving portion, the receiving portion is provided below the first housing portion and the second housing portion, and the atomizing core is received in the receiving portion. Ministry.

Preferably, at least one air guide groove is concavely formed on the outer wall surface of the receiving portion, and the at least one air guide groove connects the atomization surface with the central airway.

Preferably, the liquid storage shell may further include a connecting portion that connects the bottom end of the second housing portion to the first housing portion for forming a bottom wall of the liquid storage chamber; The connection part includes at least one lower liquid port, and the at least one lower liquid port communicates the liquid storage chamber with the receiving part.

Preferably, the atomization core includes a porous body and a heating element; the porous body includes a bottom surface and a top surface opposite to the bottom surface, and the heating element is combined with the bottom surface of the porous body to form the mist. The atomization surface of the core.

Preferably, the heating element includes a positive electrode connecting part, a negative electrode connecting part, and a heating part connected between the positive electrode connecting part and the negative electrode connecting part.

Preferably, the liquid storage atomization assembly further includes a fixed cover that fixes the atomization core on the liquid storage case, and the fixed cover is snapped on the liquid storage case.

Preferably, the liquid storage atomization assembly further includes a sealing ring, and the sealing ring is disposed between the atomization core and the liquid storage shell.

The present invention also constructs an atomizer, which includes an atomization tube and the above-mentioned liquid storage atomization assembly, and the liquid storage atomization assembly is detachably arranged in the atomization tube.

Preferably, the atomizer tube has a first open end located at the lower part and a second open end located at the upper part; the atomizer further includes an electrode holder and a suction nozzle; the upper part of the electrode holder is installed on the first open end. in; the liquid storage atomization component is axially detachably installed in the atomization tube, and its lower end is in electrical contact and conduction with the electrode base; the suction nozzle is detachably installed in the atomization tube The second open end of the tube presses against the upper end of the liquid storage atomization assembly, and is in air conductive communication with the central airway of the liquid storage atomization assembly.

Preferably, an atomization chamber is formed between the atomization surface of the atomization core and the upper end of the electrode holder, and the atomization chamber is connected with the central air channel; the outer peripheral wall of the liquid storage shell closely fit with the inner peripheral wall of the atomizer tube.

The present invention also constructs an electronic atomization device, including the above-mentioned atomizer.

beneficial effects

Implementing the present invention has the following beneficial effects: By arranging the central air channel in the middle of the liquid storage atomization assembly, compared with the air flow channel provided between the atomization tube and the atomization core/liquid storage bottle, the central air channel of the present invention is The airway is relatively narrower, which allows the atomized liquid to adhere less. Therefore, the area of the atomized aerosol passing through the central airway is smaller, which can effectively reduce the adhesion of the atomized liquid to the airway after atomization and reduce atomization. fluid loss. Moreover, the liquid storage atomization component is designed to be replaceable and easy to install and disassemble, with fewer parts that need to be cleaned later; in addition to the removable and replaceable liquid storage atomization component, the suction nozzle, atomization tube, and electrode holder are all Can be reused, reducing usage costs by reusing parts.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and examples. In the accompanying drawings:

Figure 1 is an exploded view of the first embodiment of the electronic atomization device of the present invention;

Figure 2 is a cross-sectional view from a first angle of the first embodiment of the electronic atomization device of the present invention;

Figure 3 is a cross-sectional view from a second angle of the second embodiment of the electronic atomization device of the present invention;

Figure 4 is a schematic structural diagram of the first embodiment of the liquid storage atomization assembly of the present invention;

Figure 5 is a schematic structural diagram of the housing of the first embodiment of the liquid storage atomization assembly of the present invention;

Figure 6 is an exploded view of the second embodiment of the electronic atomization device of the present invention;

Figure 7 is a cross-sectional view from a first angle of the second embodiment of the electronic atomization device of the present invention;

Figure 8 is an exploded view of the second embodiment of the liquid storage atomization assembly of the present invention;

Figure 9 is a cross-sectional view of the second embodiment of the liquid storage atomization assembly of the present invention;

Figure 10 is a schematic structural diagram of the second embodiment of the liquid storage atomization assembly of the present invention;

Figure 11 is a schematic structural diagram of the housing of the second embodiment of the liquid storage atomization assembly of the present invention;

Figure 12 is an exploded view of the third embodiment of the electronic atomization device of the present invention;

Figure 13 is a cross-sectional view from a first angle of the third embodiment of the electronic atomization device of the present invention;

Figure 14 is a schematic structural diagram of the third embodiment of the liquid storage atomization assembly of the present invention.

Embodiments of the invention

In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings. In the following description, what needs to be understood is "front", "back", "up", "down", "left", "right", "vertical", "horizontal", "vertical", "horizontal", The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", "head", "tail", etc. are based on the orientation or positional relationship shown in the drawings and are constructed and operated in specific orientations. It is only for the convenience of describing the present technical solution, and does not indicate that the device or element referred to must have a specific orientation, and therefore cannot be understood as a limitation of the present invention.

It should also be noted that, unless otherwise expressly stipulated and limited, terms such as "installation", "connection", "connection", "fixing" and "setting" should be understood in a broad sense. For example, it can be a fixed connection or a fixed connection. It can be detachably connected or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two elements or an interaction between two elements. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or one or more intervening elements may also be present. The terms "first", "second", "third", etc. are only used to facilitate the description of the present technical solution and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features. Therefore, Features defined as "first," "second," "third," etc. may explicitly or implicitly include one or more of these features. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

In the following description, specific details such as specific system structures and technologies are provided for the purpose of illustration rather than limitation, so as to provide a thorough understanding of the embodiments of the present invention. However, it will be apparent to those skilled in the art that the present invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the present invention in unnecessary detail.

First embodiment

1 to 3 illustrate an electronic atomization device 100 provided by an embodiment of the present invention. The electronic atomization device 100 may be cylindrical in some embodiments, and may include a cylindrical atomizer 10 and a The atomizer 10 is a cylindrical power supply device (not shown) that is axially and detachably connected. The atomizer 10 can be used to accommodate and heat the atomized aerosol-generating substrate. The power supply device is used to power the atomizer 10 .

In some embodiments, the atomizer 10 may include a liquid storage atomization assembly 1, an electrode base 2, an atomization tube 3, and a suction nozzle 4. The atomizer tube 3 may be cylindrical in some embodiments, having a first open end located at the lower part and a second open end located at the upper part. The upper part of the electrode holder 2 is installed in the first open end, and the electrode holder 2 is provided with positive and negative electrodes to be electrically connected to the positive and negative poles of the power supply device respectively. In some embodiments, the liquid storage atomization component 1 can be cylindrical, and is axially and detachably disposed in the atomization tube 3, and its lower end is in electrical contact with the positive and negative electrodes of the electrode base 2 for storage and detachment. Heating atomized liquid aerosol generates a matrix that can also be used to derive a mixture of aerosol and air. The suction nozzle 4 is detachably installed in the second open end of the atomization tube 3 and presses against the upper end of the liquid storage atomization assembly 1. It is in air conductive communication with the liquid storage atomization assembly 1 to export aerosol.

Referring to FIG. 4 together, the liquid storage atomization assembly 1 may include a liquid storage shell 11 , an atomization core 12 and a sealing cover 13 in some embodiments. The liquid storage shell 11 may be cylindrical in some embodiments. It may be used to store the liquid aerosol generating matrix and may be used for gas conduction. Its outer diameter is equivalent to the inner diameter of the atomizer tube 3 so that it can be inserted without gaps. Atomizer tube 3. The atomizing core 12 is disposed at the lower end of the liquid storage case 11 and is connected to the lower liquid port 114 of the liquid storage case 11 for heating and atomizing the liquid aerosol generating matrix in the liquid storage case 11 . The sealing cover 13 covers the liquid filling port of the liquid storage shell 11 .

As shown in FIGS. 2 and 3 , the liquid storage shell 11 can be made of cermet in some embodiments, and can include a cylindrical first shell part 111 , a cylindrical second shell part 112 and a The cylindrical receiving part 113. The inner diameter of the first housing part 111 is larger than the outer diameter of the second housing part 112 . The second housing part 112 is disposed inside the first housing part 111 and is coaxially disposed with the first housing part 111 . The inner wall surface of the second housing part 112 defines a central air channel 116 for discharging aerosol. An annular liquid storage chamber 110 is defined between the outer wall surface of the second housing part 112 and the inner wall surface of the first housing part 111 for storing the liquid aerosol generating matrix.

The accommodating portion 113 is provided below the lower ends of the first housing portion 111 and the second housing portion 112 for accommodating the atomizing core 12 . The inner cavity cross-section of the receiving portion 113 may be dumbbell-shaped in some embodiments. The outer wall surface of the receiving portion 113 includes a pair of recessed longitudinally extending air guide grooves 14. The pair of air guide grooves 14 are arranged oppositely and respectively correspond to the dumbbell-shaped middle portions of the inner cavity of the receiving portion 113. The upper ends of the pair of air guide grooves 14 are respectively connected with the lower ends of the central air passage 116 .

In some embodiments, the liquid storage shell 11 may also include a connecting portion 115 that connects the bottom end of the second housing portion 112 with the first housing portion 111 and is used to form the bottom wall of the liquid storage chamber 110 . The connecting part 115 may also include a pair of lower liquid ports 114 that communicate the liquid storage chamber 110 with the receiving part 113 . The upper end of the first housing part 111 and the upper end of the second housing part 112 define an annular liquid filling port. The sealing cover 13 is also annular in some embodiments to match the liquid injection port. An air guide hole is formed in the middle of the seal cover 13, and the air guide hole is connected with the upper end of the central air channel 116.

The atomization core 12 may include a porous body and a heating body in some embodiments. In some embodiments, the porous body may be a porous ceramic, which includes a bottom surface and a top surface opposite to the bottom surface. The heating element is combined with the bottom surface to form the atomization surface of the atomization core 12 . The top surface corresponds to the lower liquid port 114 and forms the liquid suction surface of the atomizing core 12 . In some embodiments, the heating element may include a positive electrode connecting part 1211, a negative electrode connecting part 1212, and a heating part connected between the positive electrode connecting part 1211 and the negative electrode connecting part 1212. The positive electrode connecting part 1211 and the negative electrode connecting part 1212 are in electrical contact and conduction with the positive electrode and the negative electrode of the electrode base respectively.

In some embodiments, an atomization chamber is formed between the atomization surface of the atomization core 12 and the upper end of the electrode base for mixing the aerosol generated by the atomization core 12 with the air entering from the external environment. The atomization chamber is connected with the lower end of the air guide groove 14 . In this way, the aerosol generated by the atomizing core 12 can flow with the air through the air guide groove 14 to the central air channel 116, and then flow from the central air channel 116 to the suction nozzle.

In this embodiment, the liquid storage shell 11 is an integral structure; the atomization core 12 and the liquid storage shell 11 are also an integral structure, that is, the atomization core 12 and the receiving portion 113 are integrally formed, which can be easily disassembled and disassembled. Replacing the liquid storage shell 11 has a simple structure, and no additional components are needed to fix the atomizer core 12. Specifically, the material of the liquid storage shell 11 can be cermet, and preferably, the cermet can be alumina ceramic. The material of the atomizing core 12 can be porous ceramics, alumina ceramics and porous ceramics are integrally formed. It is understandable that the material of the liquid storage shell 11 and the material of the atomization core 12 can also be selected from other suitable materials, which are not limited here.

In this embodiment, in addition to the replaceable liquid storage atomization assembly 1, its suction nozzle 20, electrode holder 2, atomization tube 3 and other components can be reused, thereby reducing the use cost. Moreover, by arranging the central air channel 116 in the liquid storage shell 11 of the liquid storage atomization assembly 1, it is possible to reduce the large loss caused by the atomization liquid adhering to the side flow air channel 31 after atomization. The area of the sol passing through the air passage is small, which can improve the fuel consumption ratio of the atomized liquid.

Second embodiment

Figures 6 and 7 show the electronic atomization device 100 according to the second embodiment of the present invention. The electronic atomization device 100 is an improvement based on the first embodiment, specifically focusing on the structure of the liquid storage atomization assembly 1. Improvement. As shown in Figure 8, it is a liquid storage atomization assembly 1 of this embodiment. This liquid storage atomization assembly 1 can be used as a replacement for the liquid storage atomization assembly 1 in the first embodiment. The main difference is that the mist The connection method between the atomizing core 12 and the liquid storage shell 11 is different. In this embodiment, the atomizing core 12 and the liquid storage shell 11 are detachably connected. In this way, the atomizing core 12 and the heating device provided on the atomizing core 12 The body and other components can be recycled to reduce the use cost. Except for the different connection method between the atomizing core 12 and the liquid storage shell 11, the structure of each component in the liquid storage atomization assembly 1 is the same as that in the first embodiment. Exactly the same.

As shown in FIGS. 9 to 11 , the liquid storage atomization assembly 1 also includes a fixed cover 15 for fixing the atomizer core 12 in the receiving portion 113 . The fixed cover 15 can be snapped onto the liquid storage case 11 . The fixed cover 15 has a substantially hollow structure, and the internal size of the fixed cover 15 can be equivalent to the size of the receiving portion 113 extending along the bottom of the liquid storage case 11 so that the fixed cover 15 can be placed thereon. Specifically, a limiting portion 151 is provided at one end of the fixed cover 15 away from the liquid storage case 11 . The limiting portion 151 extends from the inner wall of the fixed cover 15 toward the center. Preferably, the limiting portion 151 can be arranged in conjunction with the atomizing core 12 To match the side parts of the atomizing core 12, the limiting part 151 is set to a shape corresponding to the sides of the atomizing core 12. For example, it can be set so that when installed and matched, the limiting part 151 covers the side parts of the atomizing core 12 to prevent the atomizing core 12 from being blocked. The atomizing core 12 is limited. The outer wall of the bottom of the liquid storage case 11 is provided with a protruding piece 117, and the fixed cover 15 is provided with a card interface 152 that matches the protruding piece 117. When the fixed cover 15 is installed, the card interface 152 on the fixed cover 15 is engaged. On the protruding member 117 on the liquid storage shell 11, a limiting portion 151 is added to fix the atomizing core 12 in the receiving portion 113 and limit the axial movement of the atomizing core 12.

Furthermore, the liquid storage atomization assembly 1 also includes a sealing ring 16 for sealing the atomization core 12 , and the sealing ring 16 is provided between the atomization core 12 and the liquid storage shell 11 . The sealing ring 16 can be a silicone ring, and its shape can be adapted to the shape of the atomizing core 12 to seal the atomizing core 12 . When the liquid storage atomization component 1 is assembled, the atomization core 12 is sealed by a silicone ring, and the atomization core 12 can be fixed to the receiving part 113 through the fixed cover 15 made of metal, so as to realize the connection between the atomization core 12 and the liquid storage. The seal between the shells 11 is fixed.

It can be understood that this embodiment is mainly an improvement of the liquid storage atomization assembly 1, and the structure of the other components can be consistent with the structure in the first embodiment, such as the suction nozzle 20, the electrode holder 2, the atomization tube 3 and other components. The structure remains unchanged. Except for the improvement of the internal structure of the liquid storage atomization assembly 1, the connection relationship between the suction nozzle 20, the liquid storage atomization assembly 1, the electrode base 2 and the atomization tube 3 can be consistent with that in the first embodiment. . Of course, relevant improvements can also be made on the basis of the first embodiment, which will not be described again here.

Third embodiment

Figures 12 and 13 show the electronic atomization device 100 according to the second embodiment of the present invention. The electronic atomization device 100 is an improvement based on the first embodiment, specifically focusing on the structure of the liquid storage atomization assembly 1. Improvement. As shown in Figure 14, it is a liquid storage atomization assembly 1 of this embodiment. This liquid storage atomization assembly 1 can be used as a replacement for the liquid storage atomization assembly 1 in the first embodiment. The liquid storage atomization assembly 1 of this embodiment The atomization assembly 1 includes a liquid storage shell 11. The liquid storage shell 11 is provided with a central air channel 116. The central air channel 116 is arranged along the axial direction of the liquid storage shell 11; the liquid storage shell 11 is also provided with an atomizer for atomizing liquid. Core 12, the central air channel 116 is provided with a liquid storage chamber 110 along its circumferential direction, and the liquid storage chamber 110 is connected with the atomization core 12 provided in the liquid storage shell 11; the main difference is that the liquid storage chamber 110 in this embodiment The atomization assembly 1 also includes a heating seat 17 located in the liquid storage shell 11 , the atomization core 12 is located in the heating seat 17 , and the liquid storage chamber 110 is located circumferentially outside the heating seat 17 ; specifically, the liquid storage shell 11 It includes a shell, and the heating seat 17 is arranged in the shell. The inner wall of the shell and the outer wall of the heating seat 17 jointly define a liquid storage chamber 110 .

Further, the liquid storage chamber 110 is connected with the atomization core 12 provided in the heating base 17. Specifically, the heating base 17 is provided with a liquid inlet 171, and the liquid in the liquid storage cavity 110 enters the mist through the liquid inlet 171. In core 12. Furthermore, a liquid guide 18 is provided between the atomizer core 12 and the heating base 17. The liquid guide 18 can be wrapped around the outer wall of the atomizer core 12. The material of the liquid guide 18 can be cotton to store liquid. The liquid in the cavity 110 is sucked into the atomization core 12 .

Further, the heating seat 17 is hollow, and the atomizing core 12 can be disposed in the heating seat 17; the atomizing core 12 is hollow and is used to communicate with the central air channel 116. The central air channel 116 runs through the heating seat 17 and the heating seat 17. The center of the atomizing core 12.

In this embodiment, the heating element includes a positive electrode connection part 1211 and a negative electrode connection part 1212 with opposite polarities. The positive electrode connection part 1211 is provided at the bottom of the liquid storage case 11 , and the negative electrode connection part 1212 is provided around the outer wall of the bottom of the case. The positive electrode connection part 1211 and the negative electrode connecting part 1212 are respectively connected to the atomizing core 12 through leads. The positive electrode connecting part 1211 is in the shape of a hollow ring, and its center is connected to the central air channel 116; in addition, it is also directly connected to the air inlet channel 21. Compared with the first embodiment, it reduces the number of components required in the first embodiment. Side flow air channel 31, so external air can enter through the air inlet channel 21, mix with the aerosol generated by atomization, and then be directly discharged through the central air channel. It is understandable that the arrangement positions of the positive electrode connecting portion and the negative electrode connecting portion in the present invention can be changed according to actual conditions, and are not limited to the arrangement manner of the above embodiments, and are not limited here.

It can be understood that this embodiment mainly improves the internal structure of the liquid storage atomization assembly 1. In addition to the improvement of the internal structure of the liquid storage atomization assembly 1, the suction nozzle 20, the liquid storage atomization assembly 1, and the electrode base 2 The connection relationship with the atomizer tube 3 can be consistent with that in the first embodiment. Of course, relevant improvements can also be made on the basis of the first embodiment, which will not be described again here.

Since some atomized liquids are expensive, in order to reduce the atomized liquid from adhering to the airway after atomization and causing greater losses, the present invention arranges the airway at the middle position inside the liquid storage atomization assembly 1, and is arranged in the airway. Compared with the air flow channel between the atomization tube and the atomization core/liquid storage bottle, the central air channel of the present invention is relatively narrower, which can make the atomization liquid adhere less, so the atomized aerosol passes through the central air channel. The small channel area can effectively reduce the adhesion of atomized liquid to the airway after atomization and reduce the loss of atomized liquid. Moreover, the liquid storage atomization component is designed to be replaceable and easy to install and disassemble, with fewer parts that need to be cleaned later; in addition to the removable and replaceable liquid storage atomization component, the suction nozzle, atomization tube, and electrode holder are all Can be reused, reducing usage costs by reusing parts.

It can be understood that the above embodiments only express the preferred embodiments of the present invention, and their descriptions are relatively specific and detailed, but they cannot be understood as limiting the patent scope of the present invention; it should be noted that for those of ordinary skill in the art, In other words, without departing from the concept of the present invention, the above technical features can be freely combined, and several deformations and improvements can be made, which all belong to the protection scope of the present invention; therefore, anything falling within the scope of the claims of the present invention All equivalent transformations and modifications shall fall within the scope of the claims of the present invention.

Claims

A replaceable liquid storage atomization assembly for an atomizer, which includes a liquid storage shell (11) and an atomization core (12); the liquid storage shell includes a liquid storage chamber (110), and the atomizer The core (12) is arranged on the liquid storage shell (11) and is connected with the liquid storage chamber (110) through liquid conduit; it is characterized in that the liquid storage shell (11) includes a central gas formed in the middle. channel (116), the atomizing core (12) includes an atomizing surface (122), and one end of the central air channel is in air conductive communication with the atomizing surface (122).
The liquid storage atomization assembly according to claim 1, characterized in that the liquid storage shell (11) is columnar, the central air channel (116) is formed in the middle of the liquid storage shell (11), and Extends along the central axis of the liquid storage shell (11).
The liquid storage atomization assembly according to claim 1, characterized in that a liquid injection port is formed on the upper end of the liquid storage shell (11), and the liquid storage atomization assembly further includes a sealing cover (13). The sealing cover (13) is sealed on the liquid injection port.
The liquid storage atomization assembly according to claim 3, characterized in that the liquid injection port is annular, and the sealing cover (13) is annular to match the liquid injection port; the sealing cover An air guide hole is formed in the middle of (13), and the air guide hole is connected with the upper end of the central airway (116).
The liquid storage atomization assembly according to claim 1, characterized in that the liquid storage shell (11) and the atomization core (12) are integrally formed.
The liquid storage atomization assembly according to claim 1, characterized in that the liquid storage housing (11) includes a cylindrical first housing part (111) and a cylindrical second housing part (112); The inner diameter of the first housing part (111) is larger than the outer diameter of the second housing part (112), and the second housing part (112) is axially disposed on the first housing part (111) )Inside.
The liquid storage atomization assembly according to claim 6, characterized in that the inner wall surface of the second housing part (112) defines the central air channel (116).
The liquid storage atomization assembly according to claim 6, characterized in that the liquid storage chamber is defined between the outer wall surface of the second housing part (112) and the inner wall surface of the first housing part (111). (110), the liquid storage chamber (110) is annular.
The liquid storage atomization assembly according to claim 6, characterized in that the upper end of the first housing part (111) and the upper end of the second housing part (112) define an annular liquid injection port.
The liquid storage atomization assembly according to claim 9, characterized in that the liquid storage shell (11) further includes a cylindrical receiving part (113), and the receiving part (113) is provided on the first shell. Below the body part (111) and the second housing part (112), the atomization core (12) is received in the receiving part (113).
The liquid storage atomization assembly according to claim 10, characterized in that at least one air guide groove (14) is formed in the outer wall surface of the receiving part (113), and the at least one air guide groove (14) The atomization surface (122) and the central airway (116) are air-conducted.
The liquid storage atomization assembly according to claim 10, characterized in that the liquid storage shell (11) can further include a connecting part (115), the connecting part (115) connects the second housing part ( The bottom end of 112) is connected to the first housing part (111) for forming the bottom wall of the liquid storage chamber (110); the connection part (115) includes at least a lower liquid port (114), and the at least The lower liquid port (114) communicates the liquid storage chamber (110) with the receiving part (113).
The liquid storage atomization assembly according to claim 1, characterized in that the atomization core (12) includes a porous body and a heating element; the porous body includes a bottom surface and a top surface opposite to the bottom surface, and the The heating element is combined with the bottom surface of the porous body to form the atomization surface of the atomization core (12).
The liquid storage atomization assembly according to claim 13, characterized in that the heating element includes a positive electrode connection part (1211), a negative electrode connection part (1212), and is connected to the positive electrode connection part (1211) and the negative electrode connection part (1212). ) between the heating parts.
The liquid storage atomization assembly according to claim 1, characterized in that the liquid storage atomization assembly further includes a fixed cover (12) that fixes the atomization core (12) on the liquid storage shell (11). 15), the fixed cover (15) is clamped on the liquid storage shell (11).
The liquid storage atomization assembly according to claim 1, characterized in that the liquid storage atomization assembly further includes a sealing ring (16), and the sealing ring (16) is disposed between the atomizing core (12) and between the liquid storage shells (11).
An atomizer, characterized in that it includes an atomization tube (3) and the liquid storage atomization assembly (1) according to any one of claims 1 to 16, and the liquid storage atomization assembly (1) is removably Set inside the atomization tube (3).
The atomizer according to claim 17, characterized in that the atomization tube (3) has a first open end located at the lower part and a second open end located at the upper part; the atomizer also includes an electrode base ( 2) and a suction nozzle (4); the upper part of the electrode holder (2) is installed in the first open end; the liquid storage atomization component (1) is axially detachably installed on the atomization tube (3 ), and its lower end is in electrical contact with the electrode base (2); the suction nozzle (4) is detachably installed in the second open end of the atomization tube (3) and presses The upper end of the liquid storage atomization assembly (1) is in air conductive communication with the central airway (116) of the liquid storage atomization assembly (1).
The atomizer according to claim 18, characterized in that an atomization chamber is formed between the atomization surface of the atomization core (12) and the upper end of the electrode base (2), and the atomization chamber is The cavity is connected with the central air channel (116); the outer peripheral wall surface of the liquid storage shell (11) and the inner peripheral wall surface of the atomization tube (3) are closely fitted together.
An electronic atomization device, characterized by comprising the atomizer according to any one of claims 17-19.