WO2022021138A1

WO2022021138A1 - Electronic cigarette and atomization device thereof

Info

Publication number: WO2022021138A1
Application number: PCT/CN2020/105488
Authority: WO
Inventors: 王成; 郭美玲; 周波
Original assignee: 昂纳自动化技术（深圳）有限公司
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2022-02-03

Abstract

An electronic cigarette and an atomization device thereof, the atomization device comprising a hollow housing (10), a mouthpiece (20) which is fitted on a first end of the housing (10), a first atomization base (30) and a second atomization base (40) which are sequentially disposed within a second end of the housing (10), and a heating assembly (50) and an air guide pipe (60) which are disposed within the housing (10). One end of the air guide pipe (60) is connected to the first end of the housing (10), and the other opposite end is inserted into the first atomization base (30); a peripheral side surface of the second atomization base (40) is tightly fitted to an inner wall surface of the housing (10), and a liquid storage chamber (100) located between the air guide pipe (60) and the inner wall surface of the housing (10) is defined within the housing (10); the first atomization base (30) is provided with a first atomization channel (300) which communicates with the air guide pipe (60), and the second atomization base (40) is provided with a second atomization channel (400) oppositely communicates with the first atomization channel (300); the heating assembly (50) is transversely disposed between the first atomization base (30) and the second atomization base (40) and located between the first atomization channel (300) and the second atomization channel (400); and two opposite ends of the heating assembly (50) are in liquid guide connection with the liquid storage chamber (100). The atomization device of the electronic cigarette has a simple structure and is easy to assemble.

Description

Electronic cigarette and its atomizing device

technical field

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

Background technique

An electronic cigarette usually includes an atomizing device and a power supply device. The power supply device supplies power to the atomizing device, and the atomizing device heats the smoke liquid to form smoke.

The structural parts of the existing atomizing device include threaded parts, electrodes, sealing parts, air pipes, heating components, liquid storage cotton, glass fiber tubes, plastic tubes, suction nozzles, etc., which are complicated in structure, difficult to assemble, high in cost, and structural parts. It takes up a lot of space and is inconvenient for users to carry.

technical problem

The technical problem to be solved by the present invention is to provide an atomizing device for an electronic cigarette with a simple structure and easy assembly, and an electronic cigarette having the atomizing device.

technical solutions

The technical solution adopted by the present invention to solve the technical problem is to provide an electronic cigarette atomization device, which includes a hollow casing, a suction nozzle fitted on the first end of the casing, and a suction nozzle arranged on the casing in sequence. the first atomizing seat and the second atomizing seat in the second end, the heating element and the air duct arranged in the casing;

One end of the air duct is connected to the first end of the casing, and the opposite end is inserted into the first atomizing seat; the outer peripheral side of the second atomizing seat is connected to the inner wall surface of the casing a tight fit to define a liquid storage chamber between the air duct and the inner wall of the casing in the casing;

The first atomization seat is provided with a first atomization channel that communicates with the air duct, and the second atomization seat is provided with a second atomization channel that communicates with the first atomization channel. ;

The heating assembly is laterally arranged between the first atomization seat and the second atomization seat, and between the first atomization channel and the second atomization channel; the opposite ends of the heating assembly are respectively Connect to the fluid reservoir chamber.

Preferably, the first atomizing seat includes a first support plate, a positioning column protruding from one surface of the first support plate, and two spaced apart protruding from the opposite surface of the first support plate. a first positioning plug-in plate, the first atomization channel penetrates the first support plate and the positioning column;

The first support plate is connected with two opposite inner walls of the casing with its opposite sides, and there is a space between the other sides of the first support plate and the other inner walls of the casing. The smoke liquid in the liquid storage chamber passes and flows to the end of the heating component;

One end of the air guide tube is inserted on the positioning post; the two first positioning inserts are located on both sides of the first atomization channel and abut on the heating component.

Preferably, the second atomizing seat is provided with two second positioning inserts facing the first atomizing seat and spaced apart; the two second positioning inserts are located in the second atomizing channel The two sides of the heating element are abutted on the heating element, and the heating element is supported on the second atomizing seat.

Preferably, the second atomizing seat comprises a bottom plate, a second supporting plate arranged above the bottom plate at intervals, and side plates connected between the bottom plate and the two ends of the second supporting plate; the bottom plate, A hollow space is formed between the second support plate and the side plate;

The second support plate is distributed with a plurality of capillary holes that are ventilated and capable of capillary liquid absorption; the bottom plate is provided with an air inlet penetrating through its opposite two surfaces, and a boss protruding from the hollow space, so The boss is provided with a through hole that communicates with the air inlet and penetrates the side surface of the boss; the air inlet, the through hole and the capillary hole are connected in sequence to form the second atomization channel.

Preferably, the hollow space is filled with a liquid absorbing member.

Preferably, the housing comprises a cylinder with open opposite ends, a cover plate and a base sealed on the opposite ends of the cylinder respectively;

The cover plate is provided with a vent corresponding to the air duct, and one end of the air duct away from the first atomizing seat is inserted into the vent;

The base is provided with at least one air inlet; the air inlet is staggered and communicated with the air inlet of the second atomizing seat.

Preferably, the atomizing device further includes two conductors that are electrically connected to the heating component; the two conductors are located on opposite sides of the boss respectively and are plugged on the bottom plate; on the base A hole portion exposing the conductor is provided.

Preferably, the side wall of the suction nozzle extends to the outer peripheral side surface of the casing, and is snap-fitted with the casing.

Preferably, the atomizing device further comprises a suction nozzle cotton disposed between the suction nozzle and the first end of the casing; the suction nozzle cotton is provided with a suction nozzle port and a suction nozzle on the suction nozzle, respectively. A communication channel communicated with the air conduit.

The present invention also provides an electronic cigarette, including the atomizing device described in any one of the above.

beneficial effect

The atomizing device of the electronic cigarette of the invention has few structural parts, so that the structure is simple and easy to assemble, the assembly process is reduced, the production efficiency is improved, the cost is reduced, and automatic production can be realized.

Description of drawings

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

1 is a schematic structural diagram of an atomizing device according to an embodiment of the present invention;

2 is a schematic cross-sectional structure diagram of an atomizing device according to an embodiment of the present invention;

3 is a schematic diagram of an exploded structure of an atomizing device according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of the base in FIG. 3 .

Embodiments of the present invention

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

The electronic cigarette of the present invention includes an atomizing device and a power supply device, and the power supply device is connected to the atomizing device and supplies power to the atomizing device.

As shown in FIGS. 1-3 , in an embodiment of the present invention, the atomizing device includes a hollow housing 10 , a suction nozzle 20 , a first atomizing seat 30 , a second atomizing seat 40 , a heating element 50 and an air duct 60 .

The housing 10 includes opposite first and second ends, the suction nozzle 20 is fitted on the first end of the housing 10 , and the user performs suction through the suction nozzle 20 . The first atomizing seat 30 and the second atomizing seat 40 are sequentially arranged in the second end of the housing 10 . The heating element 50 and the air duct 60 are arranged in the housing 10 .

One end of the air duct 60 is connected to the first end of the housing 10 and communicated with the suction nozzle 20 . The opposite end of the air conduit 60 is inserted into the first atomizing seat 30 . The outer peripheral side surface of the second atomizing seat 40 is tightly fitted with the inner wall surface of the housing 10 , and a liquid storage chamber 100 is defined in the housing 10 between the air conduit 60 and the inner wall surface of the housing 10 for storing smoke liquid.

The first atomization seat 30 is provided with a first atomization channel 300 that communicates with the air conduit 60 , and the second atomization seat 40 is provided with a second atomization channel 400 that communicates with the first atomization channel 300 oppositely. The heating assembly 50 is laterally disposed between the first atomization seat 30 and the second atomization seat 40 and between the first atomization channel 300 and the second atomization channel 400 . Opposite ends of the heating element 50 are respectively connected to the liquid storage chamber 100 for liquid conduction. When the atomizing device is in operation, the smoke liquid in the liquid storage chamber 100 is diverted and adsorbed on the heating element 50. After the heating element 50 is energized, it generates heat, and the smoke liquid adsorbed on it is heated and atomized to form smoke. The second atomization channel 400 , the first atomization channel 300 and the air duct 60 flow and output from the suction nozzle 20 , as shown by the arrow in FIG. 2 .

Specifically, the casing 10 may be a cylindrical or flat casing. In order to facilitate the assembly of the structural parts, the housing 10 includes a cylindrical body 11 whose opposite ends are open, a cover plate 12 and a base 13 sealed on the opposite ends of the cylindrical body 11 respectively. The two ends of the cylinder body 11 are openly arranged, so that the atomizing seat, the heating element 50 and the air duct 60 can be easily installed therein. The cover plate 12 and the base 13 close the end of the cylinder 11 and form an integral housing 10 therewith.

The cover plate 12 is fitted on the first end of the cylindrical body 11 by means of interference fit, snap fit or the like. The cover plate 12 is provided with a vent 121 corresponding to the air duct 60, and the end of the air duct 60 away from the first atomizing seat 30 is inserted into the vent 121, so that the air duct 60 is positioned between the cover 12 and the first atomizer. Between the anvils 30 , the inner channel of the air duct 60 is an airflow channel, which communicates with the suction nozzle 20 and the first atomization channel 300 .

The base 13 can also be fitted on the second end of the cylinder 11 by means of interference fit, snap fit, etc., to close the end; the second atomizing seat 40 can be supported on the base 13 in the housing 10 . As shown in FIGS. 2 and 4 , the base 13 is provided with at least one air inlet 131 , which is communicated with the second atomizing channel 400 . Preferably, two air inlets 131 are provided on the base 13 .

On the first end of the housing 10, the suction nozzle 20 is overlaid thereon. The side wall of the suction nozzle 20 extends to the outer peripheral side surface of the casing 10 and is snap-fitted with the casing 10 . The suction nozzle 20 is detachably arranged on the first end of the casing 10 , so that it is convenient to open the casing 10 for liquid injection after the smoke liquid is exhausted.

In order to prevent the condensate between the casing 10 and the suction nozzle 20 from being sucked out by the user to affect the experience, the atomizing device further includes a suction nozzle cotton 70 arranged between the suction nozzle 20 and the first end of the casing 10 for suction condensate. The suction nozzle cotton 70 is provided with communication channels 71 which are respectively communicated with the suction nozzle opening on the suction nozzle 20 and the air duct 60 .

In the second end of the housing 10 , the first atomizing seat 30 is located in the middle in the horizontal direction opposite to the air conduit 60 . The first atomizing seat 30 and the housing 10 are integrally formed by means of injection molding, etc., and the preparation is simple and the cost is low.

Specifically, the first atomizing seat 30 may include a first support plate 31 , a positioning column 32 protruding from one surface of the first support plate 31 , and two spaced apart and protruding from the opposite surface of the first support plate 31 . The first positioning insert plate 33 and the first atomization channel 300 penetrate through the first support plate 31 and the positioning column 32 . The first support plate 31 is in contact with two opposite inner walls of the casing 10 with its opposite sides, and there is a space between the other sides of the first support plate 31 and the other inner walls of the casing 10 for the liquid storage chamber 100 The smoke liquid inside passes and flows to the end of the heating element 50 .

The positioning post 32 protrudes on the surface of the first support plate 31 facing the air duct 60 , and has a hole through the first atomizing channel 300 . The two first positioning inserts 33 protrude on the surface of the first support plate 31 facing the second atomizing seat 40 and are located on both sides of the first atomizing channel 300 . The two first positioning plugs 33 abut on the heating element 50 and are positioned between the first atomizing seat 30 and the second atomizing seat 40, and the first positioning plugs 33 are mainly connected to the heating element 50 on the side. Contact and positioning will not abut too much area of the heating element 50 . The side surface of the first positioning insert 33 can be set according to the outer circumference of the heating element 50 , for example, arc-shaped or arc-shaped grooves.

The second atomizing seat 40 is located on the side of the first atomizing seat 30 away from the air duct 60 , and the outer peripheral side surface cooperates with the inner peripheral wall surface of the casing 10 to isolate the liquid storage chamber 100 from the end of the casing 10 . The heating assembly 50 is laterally arranged between the first atomizing seat 30 and the second atomizing seat 40, and the second atomizing seat 40 is provided with two second positioning inserts 41 facing the first atomizing seat 30 and spaced apart Two second positioning inserts 41 are located on both sides of the second atomization channel 400 and abut on the heating assembly 50, the heating assembly 50 is supported on the second atomization seat 40, and the second atomization channel 400 It is isolated from the liquid storage chamber 100 . The second positioning board 41 is mainly in contact with the heating element 50 at the side surface, and does not abut the heating element 50 in a large area during positioning. The side surface of the second positioning insert 41 can be set according to the outer circumference of the heating element 50 , for example, it is arc-shaped or an arc-shaped groove is provided.

In the present invention, referring to FIGS. 2 and 3 , the second atomizing seat 40 includes a bottom plate 42 , a second supporting plate 43 arranged above the bottom plate 42 at intervals, and a Side plate 44. A hollow space 410 is formed between the bottom plate 42 , the second support plate 43 and the side plate 44 .

The bottom plate 42 is provided with an air inlet 421 penetrating through two opposite surfaces thereof, and a boss 45 protruding from the hollow space 410 . The air inlet 421 is staggered and communicated with the air inlet 131 on the base 13, and the staggered arrangement can prevent liquid leakage.

The second support plate 43 is distributed with a plurality of capillary holes 431 that are ventilated and capable of capillary liquid absorption, so as to ensure no liquid leakage under ventilation conditions. The second positioning inserts 41 are arranged on the second supporting plates 43 , and the distribution area of the capillary holes 431 on the second supporting plates 43 is mainly located between the two second positioning inserts 41 . The capillary hole 431 communicates with the through hole 451 on the boss 45 through the hollow space 410 , so that the air inlet 421 , the through hole 451 and the capillary hole 431 are connected in sequence to form the second atomization channel 400 .

According to needs, the hollow space 410 can be filled with a liquid absorbing member, such as a liquid absorbing cotton, etc., so as to have multiple anti-leakage effects.

The heating component 50 includes a liquid conducting member and a heating wire spirally wound on the liquid conducting member. The liquid-conducting member is made of materials with good liquid-conducting properties, such as porous ceramics, cotton, and the like. The heating wire is mainly wrapped around the middle section of the liquid guide member, and the two ends of the liquid guide member are located on opposite outer sides of the first atomizing seat 30 to absorb the smoke liquid from the liquid storage chamber 100 .

Further, as shown in FIG. 24 , the atomizing device further includes two conductors 80 that are electrically connected to the heating element 50 . The two conductors 80 are arranged at intervals and can be inserted into the second atomizing seat 40, and are connected with the heating wire of the heating component 50 by but not limited to welding, riveting, etc., so as to realize automatic production.

In this embodiment, the two conductors 80 are respectively located on opposite sides of the boss 45 and plugged on the bottom plate 42 . The base 13 of the housing 10 is provided with a hole for exposing the conductor 80 .

To sum up, in the atomizing device of the present invention, there are fewer structural parts than the prior art, thereby reducing the assembling process, forming the overall atomizing device with a simple structure, which is beneficial to reduce the volume and is convenient to carry.

The above descriptions are only the embodiments of the present invention, and are not intended to limit the scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied to other related technologies Fields are similarly included in the scope of patent protection of the present invention.

Claims

An atomizing device for electronic cigarettes, characterized in that it comprises a hollow casing, a suction nozzle fitted on the first end of the casing, and a first mist sequentially arranged in the second end of the casing an atomization seat and a second atomization seat, a heating assembly and an air duct arranged in the casing;

One end of the air duct is connected to the first end of the casing, and the opposite end is inserted into the first atomizing seat; the outer peripheral side of the second atomizing seat is connected to the inner wall surface of the casing a tight fit to define a liquid storage chamber between the air duct and the inner wall of the casing in the casing;

The first atomization seat is provided with a first atomization channel that communicates with the air duct, and the second atomization seat is provided with a second atomization channel that communicates with the first atomization channel. ;

The heating assembly is laterally arranged between the first atomization seat and the second atomization seat, and between the first atomization channel and the second atomization channel; the opposite ends of the heating assembly are respectively Connect to the fluid reservoir chamber.
The electronic cigarette atomizing device according to claim 1, wherein the first atomizing seat comprises a first supporting plate, a positioning column protruding on a surface of the first supporting plate, and protruding at intervals on a surface of the first supporting plate. The first support plate is opposite to the two first positioning inserts on the other surface, and the first atomization channel runs through the first support plate and the positioning column;

The first support plate is connected with two opposite inner walls of the casing with its opposite sides, and there is a space between the other sides of the first support plate and the other inner walls of the casing. The smoke liquid in the liquid storage chamber passes and flows to the end of the heating component;

One end of the air guide tube is inserted on the positioning post; the two first positioning inserts are located on both sides of the first atomization channel and abut on the heating component.
The electronic cigarette atomizing device according to claim 2, wherein the second atomizing seat is provided with two second positioning plugs facing the first atomizing seat and spaced apart; The second positioning inserts are located on both sides of the second atomizing channel and abut on the heating element, and support the heating element on the second atomizing seat.
The electronic cigarette atomizing device according to claim 1, wherein the second atomizing seat comprises a bottom plate, a second supporting plate arranged above the bottom plate at an interval, connected to the bottom plate and the second supporting plate A side plate between the two ends of the bottom plate; a hollow space is formed between the bottom plate, the second support plate and the side plate;

The second support plate is distributed with a plurality of capillary holes that are ventilated and capable of capillary liquid absorption; the bottom plate is provided with an air inlet penetrating through its opposite two surfaces, and a boss protruding from the hollow space, so The boss is provided with a through hole that communicates with the air inlet and penetrates the side surface of the boss; the air inlet, the through hole and the capillary hole are connected in sequence to form the second atomization channel.
The electronic vaping device according to claim 4, wherein the hollow space is filled with a liquid absorbing member.
The electronic cigarette atomizing device according to claim 4, wherein the casing comprises a cylindrical body with open opposite ends, a cover plate and a base respectively sealed on the opposite ends of the cylindrical body;

The cover plate is provided with a vent corresponding to the air duct, and one end of the air duct away from the first atomizing seat is inserted into the vent;

The base is provided with at least one air inlet; the air inlet is staggered and communicated with the air inlet of the second atomizing seat.
The electronic cigarette atomizing device according to claim 6, characterized in that, the atomizing device further comprises two conductors electrically connected to the heating component; the two conductors are respectively located on opposite sides of the boss and plugged on the base plate; the base is provided with a hole for exposing the conductor.
The electronic cigarette atomizing device according to claim 1, wherein the side wall of the suction nozzle extends to the outer peripheral side surface of the casing, and is snap-fitted with the casing.
The electronic cigarette atomizing device according to any one of claims 1-8, wherein the atomizing device further comprises a nozzle cotton disposed between the suction nozzle and the first end of the housing; the The suction nozzle cotton is provided with communication channels which are respectively communicated with the suction nozzle mouth on the suction nozzle and the air duct.
An electronic cigarette, characterized in that it comprises the atomizing device according to any one of claims 1-9.