WO2023222050A1

WO2023222050A1 - Atomizer and electronic atomization device

Info

Publication number: WO2023222050A1
Application number: PCT/CN2023/094850
Authority: WO
Inventors: 谢云龙; 赵小强; 石幸; 徐中立; 李永海
Original assignee: 深圳市合元科技有限公司
Priority date: 2022-05-17
Filing date: 2023-05-17
Publication date: 2023-11-23
Also published as: CN217609552U

Abstract

Disclosed in the present application are an atomizer and an electronic atomization device. The electronic atomization device comprises: a mouthpiece assembly comprising a mouthpiece and a sealing member at least partially kept in the mouthpiece; a shell formed therein with an e-liquid storage cavity used for storing an e-liquid matrix; and a base having a first end and a second end opposite to the first end, wherein the first end is kept in the shell, and an opening is formed between the second end and the shell; the sealing member is configured to provide sealing between the shell and the base; and in the process that the sealing member enters the opening, the sealing member can keep a gap to part of the outer surface of the base, such that air in the e-liquid storage cavity can be exhausted. The present application provides sealing between the shell and the base by means of the sealing member. During the connection of the mouthpiece assembly and the base, the sealing member can keep a gap to the base, such that air in the e-liquid storage cavity can be exhausted, the e-liquid leakage problem existing when the mouthpiece assembly is assembled to the electronic atomization device is avoided, and the use experience is improved.

Description

Atomizers and electronic atomization devices

Cross-references to related applications

This application claims priority to the Chinese patent application submitted to the China Patent Office on May 17, 2022, with the application number 202221195345.3 and the invention title "Atomizer and Electronic Atomizer Device", the entire content of which is incorporated into this application by reference. middle.

Technical field

The present application relates to the field of electronic atomization technology, and in particular to an atomizer and an electronic atomization device.

Background technique

An electronic atomization device is an electronic product that heats a liquid substrate to produce an aerosol for users to smoke. It generally has two parts: an atomizer and a power supply assembly. The atomizer stores a liquid substrate inside and is configured to heat the liquid substrate. For the atomizing core, the power component can power the atomizing core so that it generates high temperature to heat the liquid matrix.

In the process of implementing the present application, the inventor discovered that a problem with existing electronic atomization devices is that when assembling the nozzle assembly to the electronic atomization device, the nozzle assembly will occupy the space of the liquid storage chamber and increase the number of liquid storage chambers. The air pressure in the atomizer easily causes the liquid matrix to flow from the liquid outlet hole of the liquid storage chamber to the atomizer core, causing liquid leakage and affecting the user experience.

Contents of the invention

The main purpose of this application is to provide an atomizer and an electronic atomization device to solve the problem of liquid leakage when assembling the nozzle assembly to the electronic atomization device.

In order to solve the above technical problems, this application provides an electronic atomization device on the one hand, including:

A mouthpiece assembly including a mouthpiece and a seal at least partially retained within the mouthpiece;

A shell with a liquid storage chamber formed inside for storing a liquid matrix;

The base has a first end and a second end opposite to the first end; the first end is held in the housing, and an opening is formed between the second end and the housing, and the opening For injecting liquid matrix into the liquid storage cavity;

wherein the seal is configured to provide a seal between the housing and the base; and during entry of the seal into the opening, the seal is capable of contacting a portion of the base. A gap is maintained between the surfaces to allow air in the liquid storage chamber to escape.

Another aspect of the present application provides an atomizer for atomizing a liquid matrix to generate an aerosol; the atomizer includes:

The upper shell has a liquid storage chamber formed inside for storing the liquid matrix;

The base has a first end and a second end opposite to the first end; the first end is held in the upper shell, an opening is formed between the second end and the upper shell, and the The opening is used for injecting liquid matrix into the liquid storage chamber;

wherein the sealing member is configured to provide a seal between the upper shell and the base; during the sealing member entering the opening, the sealing member can engage with a portion of the base outside A gap is maintained between the surfaces to allow air in the liquid storage chamber to escape.

The atomizer and electronic atomization device provided by this application provide sealing between the housing and the base through a sealing member; during the connection process of the nozzle assembly and the base, the sealing member can maintain a gap with the base to The air in the liquid storage chamber is discharged, which avoids the problem of liquid leakage when assembling the nozzle assembly to the electronic atomization device, and improves the user experience.

Description of the drawings

The realization of the purpose, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. One or more embodiments are exemplified by the pictures in the corresponding drawings. These illustrative illustrations do not constitute limitations to the embodiments. Elements with the same reference numerals in the drawings are represented as similar elements. Unless otherwise stated, the figures in the drawings are not intended to be limited to scale.

Figure 1 is a schematic diagram of an electronic atomization device provided by an embodiment of the present application;

Figure 2 is an exploded schematic diagram of the electronic atomization device provided by the embodiment of the present application;

Figure 3 is a schematic cross-sectional view of an atomizer provided by an embodiment of the present application;

Figure 4 is a schematic cross-sectional view of a seal provided by an embodiment of the present application;

Figure 5 is a schematic cross-sectional view of the seal provided by the embodiment of the present application from another perspective;

Figure 6 is a schematic diagram of the base provided by the embodiment of the present application;

Figure 7 is a schematic diagram of a heating assembly provided by an embodiment of the present application;

Figure 8 is a schematic diagram of a power supply component provided by an embodiment of the present application.

Detailed ways

It should be understood that the specific embodiments described here are only used to explain the present application and are not used to limit the present application. In order to facilitate understanding of the present application, the present application will be described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is referred to as being "secured" to another element, it can be directly on the other element, or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element, or there may be one or more intervening elements present therebetween. The terms "upper", "lower", "left", "right", "inner", "outer" and similar expressions used in this specification are for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by a person skilled in the technical field belonging to this application. The terms used in the description of this application are only for the purpose of describing specific embodiments and are not used to limit this application. As used in this specification, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in FIGS. 1-2 , the electronic atomization device 100 provided by the embodiment of the present application includes an atomizer 10 and a power supply assembly 20 connected to the atomizer 10 . The atomizer 10 is used to atomize a liquid base to generate a smokeable aerosol, and the power supply assembly 20 is used to provide power for the atomizer. The atomizer 10 and the power supply assembly 20 can be detachably connected or integrated. Preferably, the atomizer 10 and the power supply assembly 20 are detachably connected.

Please understand in conjunction with FIG. 3 that the atomizer 10 includes a nozzle assembly 11, an upper shell 12, a base 13, a heating assembly 14, a liquid blocking member 15 and an insulating member 16.

The suction nozzle assembly 11 is connected to the upper shell 12, such as snap connection, magnetic connection, etc. Preferably, the inner surface of the suction nozzle assembly 11 has a groove, and the outer surface of the upper shell 12 has bumps. Through the cooperation of the groove and the bumps, the snap connection between the suction nozzle assembly 11 and the upper shell 12 is achieved.

The nozzle assembly 11 includes a mouthpiece 111 and a seal 112 at least partially retained within the mouthpiece 111 . Preferably, the sealing member 112 is provided within the mouthpiece 111 .

Please understand in conjunction with FIGS. 4-5 that the seal 112 is configured to provide a seal between the upper case 12 and the base 13 . The sealing member 112 is preferably made of silicone material and is integrally formed. The seal 112 includes a first portion 112a and a second portion 112b spaced apart from the first portion 112a.

The upper half of the first part 112a has a receiving cavity 112c open at both ends. The mouthpiece 111 has a connecting tube 111a extending from the mouth end toward the sealing member 112. Part of the connecting tube 111a is received in the receiving cavity 112c. The outer surface of the connecting tube 111a is in contact with the inner surface of the receiving chamber 112c to form a seal, and the end surface of the lower end of the connecting tube 111a is in contact with a portion extending radially inward from the bottom end of the receiving chamber 112c to form a seal. Among them, the receiving cavity 112c is the second receiving cavity.

The lower half of the first part 112a has a receiving cavity 112d open at both ends. The receiving cavity 112d is connected with the receiving cavity 112c and is coaxially arranged; the upper end of the base 13 is received in the receiving cavity 112d. The outer surface of the base 13 is in contact with the inner surface of the receiving cavity 112d to form a seal, and the end surface of the upper end of the base 13 is in contact with the top surface 112e of the receiving cavity 112d to form a seal. Among them, the receiving cavity 112d is the first receiving cavity; the upper end of the base 13 is the second end of the base 13.

In a preferred implementation, the inner surface of the receiving cavity 112d has a groove 112f. The groove 112f enables the seal 112 to maintain a gap with part of the outer surface of the base 13; the groove 112f extends along the longitudinal direction of the electronic atomization device 100. To the top surface 112e, the longitudinal extension length d of the groove 112f is between 1 mm and 5 mm; preferably, between 2 mm and 5 mm; more preferably, between 3 mm and 5 mm; further preferably, between 4 mm and 5 mm. In this way, when the nozzle assembly 11 is connected to the upper shell 12, or when the upper end of the base 13 is received in the receiving cavity 112d, or when the seal 112 enters the opening A, the liquid storage cavity The air in B can flow into the connecting tube 111a of the mouth piece 111 through the groove 112f, and then be discharged out of the electronic atomization device 100. That is, the seal 112 can maintain a gap with part of the outer surface of the base 13 to allow the air in the liquid storage chamber B to be discharged.

A groove 112g is formed between the first part 112a and the second part 112b, and part of the mouthpiece 111 is held or fixed in the groove 112g; the mouthpiece 111 also has a groove (not shown), and the second part 112b is held or fixed in the groove 112g. inside the groove. The second part 112b abuts against the inner surface of the upper shell 12 to form a seal; further, the second part 112b has a portion that extends radially outward, so that the gap between the mouth piece 111 and the top of the upper shell 12 is formed through the radially extending portion. Provides sealing between end faces. Preferably, the longitudinal extension length of the second part 112b is less than the longitudinal extension length of the first part 112a; the transverse extension length of the second part 112b is less than the first part 112a. Lateral extension of portion 112a.

A liquid storage chamber B is formed in the upper shell 12 . After the upper shell 12 is connected to the nozzle assembly 11, the second portion 112b of the sealing member 112 provides a seal between the mouthpiece 111 and the upper shell 12. The upper shell 12 is also detachably connected to the power supply assembly 20, such as snap connection, magnetic connection, etc. Preferably, the outer surface of the upper shell 12 has bumps, and the power supply assembly 20 has grooves in it. Through the cooperation of the groove and the bumps, the snap connection between the upper shell 12 and the power supply assembly 20 is achieved. Of course, it is also feasible that the upper shell 12 and the power supply assembly 20 are non-detachably connected or integrally formed.

Please understand in conjunction with Figure 6 that the base 13 has a roughly tubular structure. The base 13 can be formed by integrally drawing a metal base material. The base 13 includes a connecting section 131, a transmission section 132, a receiving section 133 and a fixed section 134 which are connected in sequence. The inner diameter and outer diameter of the connecting section 131 are respectively larger than the inner diameter and outer diameter of the transmission section 132. The inner diameter and outer diameter of the transmission section 132 are respectively smaller than the inner diameter and outer diameter of the receiving section 133 .

One end of the connecting section 131 is connected to the transmission section 132, and the other end (forming the upper end of the base 13) extends out of the upper shell 12 and is connected to the suction nozzle assembly 11, such as a snap connection. An annular opening A is formed between the other end of the connecting section 131 and the top of the upper shell 12 , through which the liquid matrix can be injected into the liquid storage chamber B. That is, an opening A is formed between the second end of the base 13 and the upper shell 12 , and the opening A is used for injecting the liquid matrix into the liquid storage chamber B. In some examples, when the liquid storage chamber B is filled with the liquid matrix, the connection between the nozzle assembly 11 and the upper shell 12 or the base 13 cannot be easily detached to prevent undesired user groups such as children from opening the opening A.

The transmission section 132 is mainly used to transmit the aerosol heated and atomized by the heating component 14 in the receiving section 133 to the connecting section 131 .

The receiving section 133 is used to receive the heating component 14. The side wall of the receiving section 133 also has a through hole 133a. The liquid matrix stored in the liquid storage chamber B is transferred to the heating component 14 through the through hole 133a. The heating component 14 can be understood as an atomization component.

The fixing section 134 is fixed in another receiving cavity (not shown) in the upper shell 12. The bottom end of the receiving cavity has a portion that extends radially inward. The end surface of the fixing section 134 or the lower end of the base 13 is in contact with the radially extending portion. part of the butt. That is, the base 13 has a first end, and the first end is held in the upper shell 12 . In this way, the gap between the outer surface of the base 13 and the inner surface of the upper shell 12 defines or forms the liquid storage chamber B. That is, the gap between the base 13 and the upper shell 12 defines at least part of the liquid storage chamber B.

Please understand in conjunction with FIG. 7 that the heating assembly 14 includes a liquid transfer unit 141 and a heating element 142. The liquid transfer unit 141 may be made of cotton fiber, metal fiber, ceramic fiber, glass fiber, porous ceramic, etc. Heating element 142 may be made of common resistive materials.

In a preferred implementation, the liquid transfer unit 141 is made of porous ceramics. The liquid transfer unit 141 is in the shape of a hollow cylinder. Its inner surface defines or forms the atomization surface of the heating component 14, its outer surface defines or forms the suction surface for absorbing the liquid matrix, and the hollow portion defines part of the air flow channel. The atomized aerosol It can flow out from the mouth piece 111 together with the air.

The heating element 142 may be disposed on or coplanar with the inner surface of the liquid transfer unit 141 or embedded within the liquid transfer unit 141 . In a preferred implementation, the heating element 142 is integrally formed with the liquid delivery unit 141 . In a further preferred implementation, the heating element 142 is embedded in the liquid transfer unit 141 and co-fired with the liquid transfer unit 141 to form the heating component 14 . In this way, the liquid matrix does not need to be atomized until it is in contact with the surface of the heating element 142, but begins to be heated and atomized when it is close to the heating element 142; on the one hand, there will be no thermal conduction between the heating element 142 and the liquid transfer unit 141. Dry burning, on the other hand, most liquid substrates are not in direct contact with the heating element 142 when atomized, which can avoid metal contamination generated by the heating element 142.

Two upper and lower sealing members are also provided in the containing section 133 to provide sealing between the containing section 133 and the liquid transfer unit 141 . The liquid transfer unit 141 is also provided with bumps 142a on the outer surface, and the seal that cooperates with the liquid transfer unit 141 is provided with a groove (not shown). Through the cooperation of the bumps 142a and the groove, on the one hand, a better seal can be formed. On the other hand, the sealing member and the liquid transfer unit 141 are prevented from moving out of position.

Furthermore, a liquid blocking member 15 is also provided in the receiving section 133 . The liquid blocking member 15 is located between the liquid transfer unit 141 and the portion extending radially inward in the third receiving cavity to prevent the liquid matrix from flowing or leaking toward the power component 20 .

The bottom end of the upper shell 12 has two cavities 121 , and part of the insulating member 16 is disposed in the cavities 121 . The heating component 14 also includes a lead 143 and a lead 144 connected to the heating element 142 for electrical connection with the power component. The lead wires 143 and 144 are bent and arranged in the cavity 121 .

The bottom end of the upper shell 12 also has an air inlet (not shown), through which external air flows into the upper shell 12 and passes through the liquid-resisting member 15, the heating component 14, the base 13, and the sealing member 112 in sequence. From mouth piece 111 outflow.

Please understand in conjunction with FIG. 8 that the power supply assembly includes a lower case 21, a bracket 22, a circuit 23, a battery core 24, a first electrode 25, a second electrode 26 and a liquid absorbing member 27.

The lower shell 21 and the upper shell 12 are detachably connected. The lower shell 21 and the upper shell 12 form the housing of the electronic atomization device 100 . Since the liquid storage chamber B is formed in the upper shell 12, there is a liquid storage chamber B inside the shell for storing the liquid matrix. The lower shell 21 has a groove inside, which cooperates with the bumps of the upper shell 12 to achieve a snap connection between the upper shell 12 and the power supply assembly 20 . After assembly, the lower shell 21 remains flush with the outer surface of the mouth piece 111 . It should be noted that in other examples, it is also feasible for the lower shell 21 and the upper shell 12 to be integrally formed.

Further, the bottom end of the mouthpiece 111 is formed with a notch groove 111b, and the top end of the lower shell 21 is formed with a notch groove 21a. After assembly, the protruding portion 122 on the outer surface of the upper shell 12 is received in the notch groove 111b and the notch groove 21a. The outlet 122 or the entire upper shell 12 can be made of transparent material; in this way, it is convenient for the user to view the liquid matrix stored in the liquid storage chamber B. That is, the nozzle assembly 11 and/or the lower shell 21 has a notch groove, and the outer surface of the upper shell 12 has at least one protruding portion 122, and the protruding portion 122 is received in the notch groove.

The bracket 22 is provided in the lower shell 21 . A chamber C is formed between the top end of the bracket 22 and the top end of the lower case 21 . The bottom end of the upper shell 12 is held or received in the chamber C, and the top end of the upper shell 12 extends out of the chamber C and is received in the mouth piece 111 . That is, one end of the upper shell 12 is held inside the lower shell 21 and the other end extends outside the lower shell 21 . A collection chamber 221 is provided at the top of the bracket 22 , and a liquid absorbing member 27 is provided in the collection chamber 221 for collecting the liquid matrix leaked from the atomizer 10 . The front panel of the lower shell 21 also has an air inlet D, from which external air can flow into the lower shell 21 , then through the collection chamber 221 , and into the upper shell 12 from the air inlet at the bottom of the upper shell 12 .

The circuit 23 and the battery core 24 are both arranged in the bracket 22 . The circuit 23 is used to control the operation of the electronic atomization device 100; the battery core 24 is located below the circuit 23, and the battery core 24 is used to provide power; preferably, a rechargeable battery is used, and the bottom end of the bracket 22 is connected to the bottom of the electronic atomization device 100. A charging module is provided between the terminals.

The lower end of the first electrode 25 is disposed in the bracket 22 and is electrically connected to the battery core 24 . The upper end of the first electrode 25 protrudes from the bracket 22 . The second electrode 26 is arranged similarly to the first electrode 25 . After assembly, the upper end of the first electrode 25 and the upper end of the second electrode 26 are inserted into the two cavities at the bottom end of the upper case 12 and maintained in contact with the leads 143 and 144 in one-to-one correspondence to form electrical connections.

It should be noted that the preferred embodiments of the present application are given in the description of the present application and its drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described in this specification. These embodiments are not used as additional restrictions on the content of the present application. The purpose of providing these embodiments is to make the disclosure of the present application more comprehensive. Understand more thoroughly and comprehensively. Moreover, the above technical features can be continuously combined with each other to form various embodiments not listed above, which are all deemed to be within the scope of the description of this application; further, for those of ordinary skill in the art, they can be improved or transformed according to the above description. , and all these improvements and transformations should fall within the protection scope of the claims appended to this application.

Claims

An electronic atomization device, characterized by including:

A mouthpiece assembly including a mouthpiece and a seal at least partially retained within the mouthpiece;

A shell with a liquid storage chamber formed inside for storing a liquid matrix;

The base has a first end and a second end opposite to the first end; the first end is held in the housing, and an opening is formed between the second end and the housing, and the opening For injecting liquid matrix into the liquid storage chamber;

wherein the seal is configured to provide a seal between the housing and the base; and during entry of the seal into the opening, the seal is capable of contacting a portion of the base. A gap is maintained between the surfaces to allow air in the liquid storage chamber to escape.
The electronic atomization device according to claim 1, wherein the sealing member includes a first part, and the first part is provided with a first receiving cavity for receiving the second end;

The first receiving cavity has a top end surface, and the end surface of the second end abuts against the top end surface to form a seal.
The electronic atomizer device according to claim 2, characterized in that the inner wall of the first receiving cavity has a groove extending longitudinally to the top end surface, and the groove provides a connection between the sealing member and the base. the gap between the outer surfaces of the parts.
The electronic atomization device according to claim 3, wherein the longitudinal extension length of the groove is between 1 mm and 5 mm.
The electronic atomization device according to claim 2, wherein the first part is further provided with a second receiving cavity connected to the first receiving cavity, and the mouth piece has a sealing member extending from the mouth end toward the sealing member. A connecting pipe extends in a direction, and part of the connecting pipe is received in the second receiving cavity.
The electronic atomization device according to claim 2, wherein the seal further includes a second part spaced apart from the first part, the second part being in contact with the inner surface of the housing and/or the The end surface of one end of the housing close to the second end is in contact to form a seal;

A groove is formed between the first part and the second part, and part of the mouthpiece is retained or fixed within said groove.
The electronic atomization device according to claim 6, wherein the longitudinal extension length of the second part is less than the longitudinal extension length of the first part; and/or the transverse extension length of the second part is less than the longitudinal extension length of the second part. the lateral extension of the first part.
The electronic atomization device according to claim 1, wherein the housing includes an upper shell and a lower shell;

The liquid storage chamber is formed in the upper shell, one end of the upper shell is held in the lower shell, and the other end extends to the outside of the lower shell.
The electronic atomization device according to claim 8, characterized in that the first end of the base is maintained in the upper shell, and the second end of the base extends to the outside of the upper shell; A gap between the base and the upper shell defines at least part of the liquid storage chamber.
The electronic atomization device according to claim 8, characterized in that the nozzle assembly and/or the lower shell has a notch groove, and the outer surface of the upper shell has at least one protrusion, and the protrusion The part is received in the notch groove.
The electronic atomization device according to claim 10, wherein the protruding portion is made of transparent material so that the liquid matrix in the liquid storage chamber can be observed.
The electronic atomization device according to claim 1, further comprising an atomization component for atomizing a liquid substrate to generate an aerosol;

The base includes a connecting section, a transmission section and a receiving section connected in sequence. One end of the connecting section forms the second end to connect with the nozzle assembly, and the receiving section is used to accommodate the atomization assembly. ;

The outer diameter of the connecting section is greater than the outer diameter of the transmission section, and the outer diameter of the receiving section is greater than the outer diameter of the connecting section.
An atomizer for atomizing a liquid matrix to generate an aerosol; characterized in that the atomizer includes:

A mouthpiece assembly including a mouthpiece and a seal at least partially retained within the mouthpiece;

The upper shell has a liquid storage chamber formed inside for storing the liquid matrix;

The base has a first end and a second end opposite to the first end; the first end is held in the upper shell, an opening is formed between the second end and the upper shell, and the The opening is used for injecting liquid matrix into the liquid storage chamber;

Wherein, the sealing member is configured to provide a seal between the upper shell and the base; during the sealing member entering the opening, the sealing member can engage with a portion of the base. A gap is maintained between the surfaces to allow air in the liquid storage chamber to escape.