WO2021120055A1

WO2021120055A1 - Atomization device for electronic cigarette

Info

Publication number: WO2021120055A1
Application number: PCT/CN2019/126321
Authority: WO
Inventors: 黄惠华; 郭美玲; 周波
Original assignee: 昂纳自动化技术（深圳）有限公司
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2021-06-24

Abstract

Provided is an atomization device for an electronic cigarette, the atomization device comprising a hollow shell (10), an atomization assembly (20), an electrode conductor assembly (30) and a base (40), wherein the shell (10) comprises a first end and a second end which are opposite each other; the atomization assembly (20) is arranged in the second end of the shell (10); the base (40) is arranged at the second end of the shell (10) and closes the second end; and the electrode conductor assembly (30) is inserted into the base (40) and is in conductive contact with a heating sheet (24) of the atomization assembly (20). In the atomization device of the electronic cigarette, the electrode conductor assembly (30) is in direct contact with the heating sheet (24) to realize electric connection, such that the arrangement of threads and insulating rings is omitted, the number of structural members is reduced, the structure is simple to make same easy to assemble, the cost is reduced, automatic production can be realized, and the efficiency is high.

Description

Atomization device of electronic cigarette

Technical field

The invention relates to the technical field of electronic cigarettes, and in particular to an atomizing device for electronic cigarettes.

Background technique

Electronic cigarettes usually include an atomizing device and a power supply device. In the existing electronic cigarettes, the atomization device includes electrodes, seals, air ducts, heating components, liquid storage cotton, glass fiber tubes, plastic tubes, suction nozzles, etc., which are complex in structure, difficult to assemble, high in cost, and many structural parts. It occupies a large space and is not convenient for users to carry.

technical problem

The technical problem to be solved by the present invention is to provide an atomization device for electronic cigarettes with a simple structure.

Technical solutions

The technical solution adopted by the present invention to solve its technical problems is to provide an atomization device for electronic cigarettes, which includes a hollow casing, an atomization assembly, an electrode conductor assembly and a base; the casing includes opposite first ends and At the second end, the atomization assembly is arranged in the second end of the housing; the base is arranged at the second end of the housing to close the second end; the electrode conductor assembly is inserted in The base is in contact with the heating sheet of the atomization assembly and conducts electricity.

Preferably, the atomization assembly includes an atomization seat, a liquid guide, a support, and a heating sheet;

The outer peripheral surface of the atomization seat is matched with the inner wall surface of the housing, and the atomization seat is provided with an atomization channel penetrating the opposite sides of the atomization seat; the bracket is arranged on the atomization seat facing the base On one side of the liquid guide, the liquid guide is arranged on the support corresponding to the atomization channel; the heating sheet is arranged on the side of the support facing the base, and is attached to the liquid guide.

Preferably, an air flow channel extending along the length of the housing is formed in the housing, and a liquid storage tank is located on the periphery of the air flow channel and is isolated from the air flow channel; the first end of the housing is provided with the air flow channel The airflow outlet is provided with an airflow inlet on the base, and the airflow outlet, the airflow channel, the atomization channel and the airflow inlet are connected in sequence.

Preferably, the bracket is provided with a containing groove communicating with the atomization channel and opening toward the base, and the liquid guide is placed in the containing groove and protrudes from the bracket toward the base. The surface is in close contact with the heating sheet; the atomization seat is provided with a liquid guide channel that penetrates the opposite sides of the atomization seat and is located at the periphery of the atomization channel, and the liquid guide channel communicates with the liquid storage bin and the container groove.

Preferably, the liquid guiding member protrudes from the surface of the support toward the base by 0.05 mm-0.2 mm.

Preferably, the atomization device further includes an air guide tube; the air guide tube is inserted between the air flow outlet and the atomization seat, and the internal channel of the air guide tube forms the air flow channel.

Preferably, the electrode conductor assembly includes two electrode conductors; opposite ends of the heating sheet are respectively provided with through holes, and one ends of the two electrode conductors are respectively fitted in the through holes and are connected to the heating sheet. Contact conductive.

Preferably, the opposite ends of the bracket are respectively provided with positioning holes corresponding to the electrode conductors, and the positioning holes communicate with the through holes; one end of the electrode conductor passes through the through holes and is accommodated in the In the positioning hole.

Preferably, a sealing ring is provided between the outer peripheral surface of the atomization seat and the inner wall surface of the housing.

Preferably, the side of the atomization seat facing the base is provided with a positioning groove, and the bracket is fitted in the positioning groove;

At least one protruding rib is provided on the outer periphery of the bracket, and the protruding rib is tightly fitted with the inner peripheral wall surface of the positioning groove.

Beneficial effect

In the atomization device of the electronic cigarette of the present invention, the electrode conductor is directly in contact with the heating sheet to realize electrical connection, which eliminates the need for the setting of threads and insulating rings, reduces structural parts, has a simple structure and easy assembly, reduces costs, and can be automated production, with efficiency high.

Description of the drawings

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

FIG. 1 is a schematic diagram of a cross-sectional structure of an atomization device for an electronic cigarette according to an embodiment of the present invention;

Fig. 2 is an exploded view of an atomization device for an electronic cigarette according to an embodiment of the present invention.

Embodiments of the present invention

In order to have a clearer understanding of the technical features, objectives 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.

As shown in FIGS. 1 and 2, the atomization device of an electronic cigarette according to an embodiment of the present invention may include a hollow housing 10, an atomization assembly 20, an electrode conductor assembly 30 and a base 40.

The housing 10 includes a first end and a second end opposite to each other, and the atomizing assembly 20 is disposed in the second end of the housing 10. The base 40 is arranged at the second end of the housing 10 and closes the second end. The electrode conductor assembly 30 is inserted into the base 40 and is in contact with the heating sheet 24 of the atomization assembly 20 to conduct electricity. Wherein, the electrode conductor assembly 30 realizes electrical connection through direct contact with the heating sheet, and does not need to be connected by welding, threading or other auxiliary parts, which reduces the number of structural parts and simplifies the assembly process.

Specifically, the housing 10 is a cylindrical structure shell, the second end of which is open and arranged to facilitate the assembly of the atomization assembly 20 into it, and then it is closed by cooperation with the base 40. The housing 10 is formed with an air flow channel 101 extending along the length direction of the housing 10 and a liquid storage tank 102 located at the periphery of the air flow channel 101 and isolated therefrom. The first end of the housing 10 can be closed, and an air outlet 103 communicating with the air channel 101 is further provided. An air inlet 104 is provided on the base 40, and the air outlet 103, the air channel 101 and the air inlet 104 are connected in sequence.

Furthermore, the atomization device of the present invention further includes an air duct 50. The air guide tube 50 extends along the length direction of the housing 10 and is inserted between the air flow outlet 103 and the atomization assembly 20. The internal channel of the air guide tube 50 forms an air flow channel 101. It is understandable that the air duct 50 can also be integrally formed in the housing 10 to form a part of the interior of the housing 10 without assembly.

The atomization assembly 20 includes an atomization seat 21, a liquid guide 22, a bracket 23 and a heating sheet 24. The atomization seat 21 is fitted in the second end of the housing 10, and its outer peripheral surface is matched with the inner wall surface of the housing 10. The bracket 23 is arranged on the side of the atomization seat 21 facing the base 40, and the liquid guide 22 is arranged on the bracket 23; the heating sheet 24 is arranged on the side of the bracket 23 facing the base 40, and is attached to the liquid guide 22 to generate heat. After the sheet 24 is heated, the smoke liquid on the liquid guide 22 is atomized.

In order to prevent the smoke liquid in the liquid storage tank 102 from leaking from the gap between the atomization seat 21 and the inner wall of the housing 10, a sealing ring is provided between the outer peripheral surface of the atomization seat 21 and the inner wall surface of the housing 10 60. Seal the gap between the two. Correspondingly, the outer peripheral surface of the atomization seat 21 may be provided with an annular sealing groove 211 to position the sealing ring 60.

The atomization seat 21 is provided with an atomization channel 201 that penetrates the two opposite sides (toward the air duct 50 and the two sides of the base 40). The air duct 50 is inserted between the air outlet 103 and the atomization seat 21, and the air channel 101 communicates with the atomization channel 201, so that the air outlet 103, the air channel 101, the atomization channel 201, and the air inlet 104 are connected in sequence. The liquid guide 22 is disposed on the support 23 corresponding to the atomization channel 201, for example, it may be located at one end of the atomization channel 201 or in the atomization channel 201.

The atomization seat 21 is also provided with liquid guiding channels 202 running through opposite sides thereof. The liquid guiding channel 202 is located at the periphery of the atomizing channel 201, and the liquid guiding channel 202 is connected to the liquid storage tank 102, so that the smoke liquid in the liquid storage tank 102 It can flow to the liquid guide 22 through the liquid guide channel 202.

In this embodiment, as shown in FIG. 1, the bracket 23 is arranged on the side of the atomization seat 21 facing the base 40. Specifically, the side of the atomization seat 21 facing the base 40 is provided with a positioning groove 210, and the positioning groove 210 is recessed in the side. The bracket 23 is fitted in the positioning groove 210 so that the bracket 23 can be located in the atomization seat 21 as a whole and is opposite to the base 40.

In order to enhance the stability of the bracket 23 in the atomization seat 21, at least one rib 231 is provided on the outer circumference of the bracket 23, and the rib 231 is tightly fitted with the inner circumferential wall of the positioning groove 210.

The bracket 23 may be a rectangular parallelepiped structure as a whole, and the liquid guide 22 may be embedded on the bracket 23. For example, in this embodiment, the bracket 23 is provided with a containing groove 230 communicating with the atomization channel 201 and opening toward the base 40, and the liquid guide 22 is placed in the containing groove 230 and protrudes from the surface of the bracket 23 facing the base 40 ( That is, it protrudes from the opening of the accommodating groove 230) and is in close contact with the heating sheet 24 to ensure sufficient liquid supply (smoke liquid) to prevent paste smell and dry burning.

The liquid guide channel 201 on the atomization seat 21 is also in communication with the containing tank 230, so that the liquid storage tank 102, the liquid guide channel 201 and the containing tank 230 are sequentially connected, and the smoke liquid stored in the liquid storage tank 102 flows through the liquid guide channel 201 To the accommodating groove 230, so as to be adsorbed by the liquid guide 22 in the accommodating groove 230.

Alternatively, the surface of the liquid guide 22 protruding from the bracket 23 toward the base 40 may be 0.05 mm-0.2 mm.

The liquid guiding member 22 may be porous ceramic or liquid guiding cotton.

The outer circumference of the base 40 can be formed to correspond to the outer circumference of the housing 10 so as to fit into the second end port of the housing 10 to seal the port and form the housing of the atomization device with the housing 10. The base 40 and the housing 10 can be fixedly connected by tight fitting, buckling, and the like.

The electrode conductor assembly 30 is fixed on the base 40 in a plug-in manner, is in contact with the heating sheet 24, and is also used for electrical connection with the power supply device of the electronic cigarette, thereby conducting the heating sheet 14 and the power supply device.

Corresponding to the positive electrode and the negative electrode, the electrode conductor assembly 30 includes two electrode conductors 31. The two electrode conductors 31 are spaced apart on the base 40 without being connected; the base 40 may be provided with two spaced apart holes 41 for the electrode conductors 31 to be accommodated therein. One end of the electrode conductor 31 can protrude from the side of the base 40 facing the atomization assembly 20 to cooperate with the atomization assembly 20; the other end can be exposed on the side of the base 40 facing away from the atomization assembly 20 to be connected to a power supply device.

Specifically, the heating sheet 24 is located on the side of the bracket 23 facing the base 40, and the opposite ends of the heating sheet 24 are respectively provided with through holes 240, and one ends of the two electrode conductors 31 are respectively fitted in the through holes 240 to interact with the heating sheet 24. Contact conductive.

Further, the opposite ends of the bracket 23 can also be provided with positioning holes 232 corresponding to the electrode conductors 31, the positioning holes 232 are connected to the through holes 240, and one end of the electrode conductor 31 passes through the through holes 240 and is accommodated in the positioning holes 232. It plays a role of confining the heat generating sheet 24 on the bracket 23.

In this embodiment, the bracket 23 can be made of rubber material, etc., and has a certain degree of flexibility and elasticity. The bracket 23 can drive the heating sheet 24 to contact the electrode conductor 31 through its elasticity, increase the contact area between the heating sheet 24 and the electrode conductor 31, and enhance the conductive effect.

As shown in FIG. 2, according to the contact between the heating sheet 24 and the liquid guide 22 and the contact with the electrode conductor 31, the heating sheet 24 may include a heating part 241 in contact with the liquid guide 22 and connected to opposite ends of the heating part 241 for use. The conductive portion 242 in contact with the electrode conductor 31. The liquid guiding portion 242 may be sheet-shaped, and the through hole 240 is opened on the liquid guiding portion 242. The heating part 241 is preferably formed by several heating strips arranged in parallel and spaced apart, which can fully contact the liquid guide 22 and heat the smoke liquid.

Further, the end of the electrode conductor 31 in contact with the heating sheet 24 may be provided with a convex post 311 protruding outward, the electrode conductor 31 is accommodated in the positioning hole 232 by the convex post 311 passing through the through hole 240, and the end of the electrode conductor 31 The end surface of the protruding pillar 311 is in close contact with the heating sheet 24.

When assembling the atomizing device of the electronic cigarette of the present invention, the atomizing assembly 20 is pre-assembled, and then the atomizing assembly 20 is assembled into the second end of the housing 10, and then the base 40 with the electrode conductor assembly 30 is fitted to On the second end of the housing 10, the protrusion 311 of the electrode conductor 31 passes through the through hole 240 and is accommodated in the positioning hole 232 to complete the assembly of the atomization device, which is simple to operate and has high efficiency.

The above are only the embodiments of the present invention, and do not limit the scope of the present invention. Any equivalent structure or equivalent process transformation made by using the content of the description and drawings of the present invention, or directly or indirectly applied to other related technologies In the same way, all fields are included in the scope of patent protection of the present invention.

Claims

An atomization device for electronic cigarettes, which is characterized in that it comprises a hollow casing, an atomization component, an electrode conductor component and a base; the casing includes opposite first and second ends, and the atomization component is arranged In the second end of the housing; the base is arranged at the second end of the housing to close the second end; the electrode conductor assembly is inserted into the base and connected to the atomizer The heating element of the component is in contact with electricity.
The atomization device for electronic cigarettes according to claim 1, wherein the atomization assembly includes an atomization seat, a liquid guide, a support, and a heating sheet;

The outer peripheral surface of the atomization seat is matched with the inner wall surface of the housing, and the atomization seat is provided with an atomization channel penetrating the opposite sides of the atomization seat; the bracket is arranged on the atomization seat facing the base On one side of the liquid guide, the liquid guide is arranged on the support corresponding to the atomization channel; the heating sheet is arranged on the side of the support facing the base, and is attached to the liquid guide.
The atomization device for electronic cigarettes according to claim 2, wherein an air flow channel extending along the length of the housing is formed in the housing, and a liquid storage tank located at the periphery of the air flow channel and isolated from the air flow channel is formed in the housing; The first end of the casing is provided with an airflow outlet communicating with the airflow channel, the base is provided with an airflow inlet, and the airflow outlet, the airflow channel, the atomization channel and the airflow inlet are connected in sequence.
The atomizing device for electronic cigarettes according to claim 3, wherein the holder is provided with a containing groove communicating with the atomizing channel and opening towards the base, and the liquid guide is placed in the In the accommodating groove and protruding from the surface of the bracket facing the base, it is in close contact with the heating sheet; the atomization seat is provided with a liquid guiding channel that penetrates the opposite sides of the atomization channel and is located at the periphery of the atomization channel , The liquid guiding channel communicates with the liquid storage bin and the accommodating tank.
The atomization device for electronic cigarettes according to claim 4, wherein the liquid guiding member protrudes from the surface of the support toward the base by 0.05 mm-0.2 mm.
The atomization device for electronic cigarettes according to claim 3, wherein the atomization device further comprises an air guide tube; the air guide tube is inserted between the airflow outlet and the atomization seat, and the air guide tube The internal channel forms the air flow channel.
The atomization device for electronic cigarettes according to claim 2, wherein the electrode conductor assembly comprises two electrode conductors; the opposite ends of the heating sheet are provided with through holes respectively, and the two electrode conductors One ends are respectively fitted in the through holes, and are in contact with the heating sheet to conduct electricity.
The atomization device for electronic cigarettes according to claim 7, wherein the opposite ends of the bracket are respectively provided with positioning holes corresponding to the electrode conductors, and the positioning holes communicate with the through holes; One end of the electrode conductor passes through the through hole and is accommodated in the positioning hole.
The atomizing device for electronic cigarettes according to claim 2, wherein a sealing ring is provided between the outer peripheral surface of the atomizing seat and the inner wall surface of the housing.
The atomization device for electronic cigarettes according to claim 2, wherein the side of the atomization seat facing the base is provided with a positioning groove, and the bracket is fitted in the positioning groove;

At least one protruding rib is provided on the outer periphery of the bracket, and the protruding rib is tightly fitted with the inner peripheral wall surface of the positioning groove.