WO2020029911A1

WO2020029911A1 - Atomization core, atomizer and electronic cigarette

Info

Publication number: WO2020029911A1
Application number: PCT/CN2019/099227
Authority: WO
Inventors: 邱伟华; 蔡万霖
Original assignee: 常州市派腾电子技术服务有限公司
Priority date: 2018-08-08
Filing date: 2019-08-05
Publication date: 2020-02-13
Also published as: CN208972674U; EP3834640A4; EP3834640A1

Abstract

Provided are an electronic cigarette, and an atomizer and an atomization core thereof. An atomization core (30) comprises a fixed base (31), a movable member (33) and a heating assembly (35). A side wall, in a first direction, of the fixed base (31) is provided, in a penetrating manner, with a liquid inlet (310) which is in communication with a liquid storage cavity (1143). The movable member (33) is movably fitted and connected inside the fixed base (31) in the first direction. A side wall, in the first direction, of the movable member (33) is provided, in a penetrating manner, with a liquid guide opening (332) in communication with an atomization cavity (330). The heating assembly (35) is fixedly fitted and connected inside the atomization cavity (330). The movable member (33) reciprocates, in the first direction and relative to the fixed base (31), between an open position where the liquid guide opening (332) is in communication with the liquid inlet (310) and a closed position where the liquid guide opening (332) and the liquid inlet (310) are not aligned. In the closed position, the movable member (33) at least partially protrudes to the fixed base (31).

Description

Atomizing core, atomizer and electronic cigarette

Technical field

The utility model relates to the field of simulated smoking, in particular to an atomizer and an electronic cigarette.

Background technique

The atomizer is an important component of the electronic cigarette. It is used when the e-liquid is transferred to the atomizer, and the heating components in the atomizer work to generate high temperature. To achieve the effect of "swallowing clouds and misting."

At present, there is a lack of effective isolation measures between the oil storage chamber of the e-cigarette and the atomizer in the existing electronic cigarettes. When the electronic cigarette is not used for a long time, the e-liquid in the oil storage chamber is easy to contact the outside air. Expired e-liquid.

Utility model content

Based on this, it is necessary to provide an atomizing core and an atomizer for avoiding the problem of overdue deterioration of the e-liquid in the oil storage chamber due to contact with the outside air.

It is also necessary to provide an electronic cigarette having the above-mentioned atomizer.

An atomizing core includes:

A fixing base, a liquid inlet which communicates with the liquid storage cavity is penetratingly opened on the side wall of the fixing base along the first direction;

A movable member having an atomizing cavity therein, the movable member is movably coupled in the fixed seat along the first direction, and the movable member is provided through the side wall along the first direction. A liquid drainage port in communication with the atomizing cavity; and

A heating component fixedly connected to the atomizing cavity;

Wherein, the movable member is in the first direction relative to the fixed seat in an open position that conducts the liquid guide port and the liquid inlet port and a closed position that staggers the liquid guide port and the liquid inlet port. Reciprocating between them, the movable member at least partially protrudes from the fixed seat in the closed position.

In one embodiment, the movable member includes a movable tube and a pole in which the atomizing cavity is formed, and the movable tube is slidably fitted in the fixed seat along the first direction. One end of the pole is fixedly connected to the movable tube, and the other end of the pole is protruded outside the fixed seat at the closed position.

In one embodiment, the atomizing core includes an insulating member, and the insulating member is disposed between the movable tube and the pole.

In one embodiment, the insulating member is an insulating ring provided between the movable tube and the pole, and the movable tube serves as a negative electrode, or the movable tube and the fixed seat serve as a negative electrode, so The pole is used as a positive electrode, and the heat generating component is electrically connected to the negative electrode and the positive electrode.

In one embodiment, the fixed base and the movable tube are both made of ceramic printed with a conductive layer.

In one embodiment, the fixing seat includes a seat body and a limiting edge. Both ends of the seat body along the first direction penetrate into a hollow tube shape, and the limiting edge is directed from an edge of one end of the seat body. An inner extension is formed; when the movable tube is in the closed position, it is limitedly supported on the limiting edge along the first direction.

In one embodiment, the atomizing core includes a resetting member, and the resetting member is deformably disposed between the movable member and the fixed seat along the first direction.

The atomizer includes a shell and an atomizing core assembled in the shell. The liquid storage cavity is formed in the shell, and the atomizing core is the atomizing core described above.

An electronic cigarette includes an atomizer and a battery device, the battery device is electrically connected to the atomization core, and the assembly of the battery device and the atomizer provides a relative for the movable part in the atomization core. A driving force for moving the fixed seat from the closed position to the open position.

In one embodiment, the housing includes a housing and a base disposed at one end of the housing, and the base is made of a metal material and is threadedly connected to the battery device.

When the atomizing core, the atomizer and the electronic cigarette of the utility model are not in use, the movable member moves to the closed position relative to the fixed seat, and the liquid inlet and the liquid guiding port are staggered to avoid that the liquid in the liquid storage chamber cannot pass through the liquid The liquid-conducting port of the mouth enters the atomization cavity to avoid long-term contact between the e-liquid and metal parts and affect the taste. At the same time, because the liquid inlet and the liquid inlet are staggered, the airflow cannot enter the liquid storage cavity through the liquid inlet and the liquid inlet staggered from each other, so as to avoid the air from entering and the liquid storage cavity and affect the shelf life of the e-liquid.

BRIEF DESCRIPTION OF THE DRAWINGS

1 is a schematic structural diagram of a nebulizer in a closed position in a preferred embodiment of the present invention;

2 is a schematic structural diagram of an atomizing core in the atomizer shown in FIG. 1;

FIG. 3 is a schematic structural diagram when the atomizer shown in FIG. 1 is in an open position.

Atomizer 100 Shell 10

Housing 11 Base 13

Bottom wall 110 side wall 112

Bent wall 114 Smoke exit channel 1141

Liquid storage chamber 1143 Atomizing core 30

Fixed seat 31 Liquid inlet 310

Base 312 Limit 314

Moving piece 33 atomizing cavity 330

Catheter 332, movable tube 334

Pole post 336 heating element 35

Heating piece 350 Liquid guide piece 352

Reset piece 37 Insulation cover 390

Airflow port 3901 Insulation ring 392

The mounting hole 1101 is an air inlet passage 3341.

detailed description

In order to facilitate understanding of the present invention, the present invention will be described more fully below with reference to the related drawings. The drawings show the preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a thorough understanding of the disclosure of the present invention.

It should be noted that when an element is referred to as being “fixed to” another element, it may be directly on the other element or there may be a centered element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present utility model are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

The electronic cigarette includes a liquid storage member, an atomizer, a battery device (not shown), and a cigarette holder assembly. The liquid storage member is used to store e-liquid. The heating component in the atomizer is electrically connected to the battery device and is electrically connected to the battery device. The smoke oil absorbed by the liquid storage tube is driven to heat to form smoke and flow into the mouth of the user through the mouthpiece assembly.

Among them, in order to realize the atomizing effect of the atomizer on the e-liquid under the action of electric driving, the atomizer is usually provided with a liquid inlet that communicates with the liquid storage member. During use, the heating component in the atomizer absorbs the smoke oil stored in the liquid storage part through the liquid inlet, and the smoke formed by heating the smoke oil under the electric drive flows out to the cigarette holder component for users to inhale. When not in use (for example, during transportation or storage), because the liquid inlet is always in communication with the liquid storage element and the atomizer, the e-liquid stored in the liquid storage tube is easily adsorbed by the heat generating component and is connected with the heat generating component (metal ) A slow chemical reaction occurs during contact, which is likely to cause the e-liquid to deteriorate over time, affecting the e-liquid taste and service life.

Please refer to FIG. 1. In a preferred embodiment of the present invention, the electronic cigarette includes an atomizer 100, a battery device (not shown), and a cigarette holder assembly. The atomizer 100 is electrically connected with the battery device, and electrically drives the heated smoke oil through the battery device to form smoke and flow into the mouth of the user through the mouthpiece assembly. Among them, the cigarette holder assembly is an independent component detachably coupled to the atomizer 100 in some embodiments, and in other embodiments, the cigarette holder assembly may be provided integrally with the atomizer 100, which is not limited herein. .

The atomizer 100 includes a casing 10 and an atomizing core 30 assembled in the casing 10. The casing 10 is used to provide an installation base and to store e-liquid, and the atomizing core 30 is used to adsorb e-liquid and heat the e-liquid absorbed under the driving of the battery device to form smoke.

The housing 10 is generally a hollow columnar structure, which includes a bottom wall 110, a side wall 112, and a bent wall 114. A mounting hole 1101 is formed in the bottom wall 110 for installation of the atomizing core 30. The side wall 112 extends from the outer edge of the bottom wall 110 in the same direction and encloses to form a hollow space. The bent wall 114 is connected to an end of the side wall 112 away from the bottom wall 110, and the bent wall 114 extends horizontally into the hollow space and approaches the bottom. The wall 110 is bent in a direction and encloses a smoke exit channel 1141. In this way, the hollow space is partitioned by the bending wall 114 to form a smoke exit channel 1141 located on the inner ring and a liquid storage cavity 1143 surrounding the periphery of the smoke exit channel 1141. The liquid storage cavity 1143 is used for storing the e-liquid for atomization of the atomizing core 30. The smoke exit channel 1141 communicates with the atomizing core 30 and the mouthpiece assembly, and the smoke formed by the heating of the atomizing core 30 flows out through the smoke exit channel 1141 to the mouthpiece assembly under the suction action.

The distance between the end of the bent wall 114 and the bottom wall 110 is a certain distance to provide an assembly space for the atomizing core 30. That is, one end of the atomizing core 30 penetrates into the assembling space through the assembling hole 1101 and is sealedly arranged with the bending wall 114.

Referring to FIG. 2, the atomizing core 30 is electrically connected to the battery device, and includes a fixed base 31, a movable member 33, and a heat generating component 35. The fixing base 31 is fixedly assembled in the assembling space, and a side wall along the first direction of the fixing base 31 is provided with a liquid inlet 310 communicating with the liquid storage cavity 1143.

An atomizing cavity 330 is formed in the movable member 33, and a liquid guide port 332 communicating with the atomizing cavity 330 is penetrated through a side wall along the first direction. The movable member 33 is movably connected to the fixed member along the first direction. The seat 31 is reciprocated between the open position of the conductive liquid inlet 332 and the liquid inlet 310 and the closed position of the liquid inlet 332 and the liquid inlet 310 staggered relative to the fixed seat 31. The first direction is an axial direction of the fixing base 31.

The heat generating component 35 is fixedly fitted in the atomizing cavity 330, and is used for heating the smoke oil absorbed under the electric drive of the battery device to form smoke when the movable member 33 is in the open position. Specifically, the heat generating component 35 includes a heating member 350 and a liquid guiding member 352 that cooperates with the heating member 350. The liquid guide 352 absorbs the smoke liquid stored in the liquid storage cavity 1143 through the liquid inlet 310. The heating element 350 is electrically connected to the battery device, and is used for heating the smoke liquid absorbed by the liquid guiding element 352 under the electric driving. In this specific embodiment, the heating element 350 is a heating column formed by spirally winding a heating wire, and the heating column is vertically arranged in the atomizing chamber 310 in the axial direction, and the two ends of the axial direction are respectively connected to the positive and negative electrodes of the battery device. It is electrically connected to form a heating circuit with the battery device. The liquid guiding member 352 is a cylindrical liquid guiding cotton sleeved outside the heating column, and the liquid guiding cotton covers the liquid guiding port 332 so as to adsorb the smoke liquid stored in the liquid storage chamber 1143 through the liquid guiding port 332. It can be understood that, in other embodiments, the structures of the heating element 350 and the liquid guiding element 352 may be determined as needed, and only the functions of liquid guiding and heating atomization may be implemented, which is not limited herein.

The atomizing core 30 includes a reset member 37 that is deformably disposed between the movable member 33 and the fixed seat 31 along the first direction, and is used to provide the movable member 33 with a restoring force that moves from the open position to the closed position.

The relative movement between the fixed seat 31 and the movable member 33 realizes the opening and closing of the liquid inlet 332 and the liquid inlet 310 in the atomizer 100, and at the same time, the heating component 35 in the atomization core 30 can be electrically connected. Driven, so that the structure of the atomizing core 30 is simple and compact.

The fixed seat 31 includes a seat body 312 and a limiting edge 314. Both ends of the seat body 312 are hollow and tubular. The limiting edge 314 is formed by an edge of one end of the seat body 312 extending inward. In this way, the fixing base 31 has a substantially U-shaped shape penetrating at both ends in the longitudinal section in the axial direction.

The movable member 33 is supported on the limiting edge 314 along the first direction when the movable member 33 is in the closed position. The movable member 33 includes a movable tube 334 and a pole 336 forming an atomizing cavity 330 therein. The movable pipe 334 is slidably fitted in the fixed base 31 along the first direction. One end of the pole post 336 is fixedly fitted in the movable pipe 334. The other end of the pole post 336 protrudes outside the fixed seat 31 in the closed position.

In one embodiment, the pole 336 is provided with an air inlet channel 3341 penetrating therethrough. The air inlet channel 3341 communicates with the outside and the atomizing cavity 332. The external air mixes with the smoke formed by the heating in the atomizing cavity 332 and flows out through the smoke outlet channel 1141 To the cigarette holder assembly for users to inhale.

The insulating assembly includes an insulating cover 390 and an insulating member. The insulating cover 390 covers an end of the base body 31 away from the limiting edge 314, and an airflow port 3901 for smoke outflow is reserved thereon. The reset member 37 abuts the insulating cover 390. Between the movable tube 334 and the pole 336, an insulating member is insulated from the movable tube 334. In one embodiment, the insulating member is an insulating ring 392. It can be understood that, in other embodiments, the insulating cover 390 is integrally provided with the fixed base 31, and the reset member 37 abuts between the movable tube 334 and the fixed base 31.

The movable tube 334 forms one of a positive electrode or a negative electrode electrically connected to the battery device, or the movable tube 334 and the fixed base 31 form one of a positive electrode or a negative electrode electrically connected to the battery device, and the pole post 336 forms a positive electrode electrically connected to the battery device. Or the other of the negative electrodes. In one embodiment, the movable tube 334 forms a negative electrode electrically connected to the battery device, or the movable tube 334 and the fixed seat 31 form a negative electrode electrically connected to the battery device, and the pole post 336 forms a positive electrode electrically connected to the battery device. In this way, when the atomizing core 30 is mated with the battery device, the positive terminal of the battery device abuts against the pole 336, and the more positive positive terminal moves the pushing pole 336 upward relative to the fixed seat 31 until the pole 336 It is at least flush with the bottom of the fixing base 31. At this time, the negative terminal of the battery device is in contact with the fixed base 31, and the movable member 35 moves from the closed position to the open position relative to the fixed base 31.

That is, the installation of the battery device and the atomizer of the present invention provides a driving force for the movable member 35 in the atomization core 30 to move from the closed position to the open position with respect to the fixed seat 31, that is, the positive end of the battery device and the While the poles 336 are pushed up to achieve electrical connection, the liquid guide port 332 and the liquid inlet 310 can be opened or closed.

Please refer to FIG. 1 again. The housing 10 further includes a base 13 disposed at one end of the housing 11. The outer surface of the base 13 has connecting threads to achieve a detachable connection between the atomizer 100 and the battery device. In other words, when the atomizer 100 is screwed on the battery device through screwing, the movable member 33 is used to conduct the airflow channel.

In this embodiment, the base 13 is made of a metal conductive material and is electrically connected to the negative terminal of the battery device. In this way, the movable tube 334, the fixed base 31, and the metal base 13 all serve as negative electrodes. At the same time, the fixed base 31 and the movable tube 334 are both made of ceramic printed with a conductive layer. In this way, while the fixed base 31 and the movable tube 334 are electrically connected and used together as a negative electrode, the sliding between the two is increased by ceramics. Lubricity. It can be understood that, in other embodiments, the base 13 and the housing 11 may both be made of the same insulating material, and the two are integrally formed and provided, which is not limited herein.

In addition, the assembling method between the atomizer 100 and the battery device may be determined according to needs, such as a snap-in type, so that the two can simultaneously control and electrically connect the airflow channel during assembly. In some other embodiments, the assembly between the atomizer 100 and the battery device may only be used to realize the electrical connection between the two, and the control of the air flow channel may be achieved through other structures, which is not limited herein. In addition, the atomizing cavity 310 and the liquid storage cavity 1143 are integrally provided in the atomizer 100 to prevent the liquid storage member and the atomizing core 30 from being threaded or connected to form a gap, which causes the smoke oil to leak slowly.

Referring to FIG. 1, when not in use, the movable member 33 in the atomizing core 30 is in a closed position, and the liquid guide port 332 and the liquid inlet 310 are staggered from each other. At this time, the e-liquid in the liquid storage chamber 1143 cannot enter the atomizing chamber 330 through the liquid inlet 310 and the liquid-conducting port 332 to be adsorbed by the liquid-conducting member 352 to avoid long-term contact between the e-liquid and metal parts to affect the taste. At the same time, due to the liquid inlet 332 and the liquid inlet 310, the airflow entering the atomizing chamber 330 through the air inlet channel 3341 cannot enter the liquid storage cavity 1143 through the liquid inlet 332 and the liquid inlet 310 which are staggered with each other, to prevent air from entering. And the liquid storage cavity 1143, affects the shelf life of e-liquid.

Referring to FIG. 3, in use, when the atomizer 100 is connected to the battery device, the positive pole in the battery device pushes upward and squeezes the pole post 336 until the pole post 336 is flush with the bottom of the fixing base 31. After the movable member 33 moves a certain stroke under the action of the upward pressing force, the liquid guide port 332 moves to communicate with the liquid inlet 310. At this time, the e-liquid stored in the liquid storage chamber 1143 can enter the atomization chamber 330 through the liquid inlet 310 and the liquid guide port 332 to be absorbed by the liquid guide 352. When electrically driven, the pole post 336 is electrically connected to the positive terminal of the battery device, and the fixed base 31, the movable tube 334, and the metal base 13 are all electrically connected to the negative terminal of the battery device to form an electric drive circuit.

The heating element 350 heats the e-liquid and forms smoke under the action of electric driving. The external cold air enters the intake passage 3341 under the suction force, and is mixed with the smoke in the atomizing chamber 310. The mixed airflow passes through the airflow port 3901. It flows into the smoke exit channel 1141 and enters the cigarette holder assembly for users to inhale.

When it needs to be idle or not in use, remove the battery device, the movable member 33 is reset by the elastic force of the reset member 37, and reset to the closed state, so as to avoid the long-term contact between the e-liquid in the liquid storage chamber 1143 and the metal parts to affect the taste It also avoids the long-term contact between the e-liquid in the liquid storage chamber 1143 and the outside air, which affects the shelf life.

In the present invention, when the nebulizer 100 is assembled with the battery device, the positive pole of the battery device squeezes the positive pole of the nebulizer 100 upward, thereby achieving the conduction between the liquid introduction port 332 and the liquid inlet 310; When the battery device is not used for the first time or needs to be idle after use, the movable member 33 is reset by the reset member 37 to stagger the liquid introduction port 332 and the liquid inlet 310 to seal the smoke liquid and ensure the taste of the smoke liquid. And long shelf life.

The above-mentioned embodiments only express several implementation manners of the present invention, and the description thereof is more specific and detailed, but cannot be understood as a limitation on the scope of the present invention patent. It should be noted that, for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the utility model patent shall be subject to the appended claims.

Claims

An atomizing core, characterized in that the atomizing core includes:

A fixing base, a liquid inlet which communicates with the liquid storage cavity is penetratingly opened on the side wall of the fixing base along the first direction;

A movable member having an atomizing cavity therein, the movable member is movably coupled in the fixed seat along the first direction, and the movable member is provided through the side wall along the first direction. A liquid drainage port in communication with the atomizing cavity; and

A heating component fixedly connected to the atomizing cavity;

Wherein, the movable member is in the first direction relative to the fixed seat in an open position that conducts the liquid guide port and the liquid inlet port and a closed position that staggers the liquid guide port and the liquid inlet port. Reciprocating between them, the movable member at least partially protrudes from the fixed seat in the closed position.
The atomizing core according to claim 1, wherein the movable member comprises a movable tube and a pole forming the atomizing cavity therein, and the movable tube is slidably connected along the first direction. In the fixed base, one end of the pole is fixedly connected to the movable tube, and the other end of the pole protrudes outside the fixed base at the closed position.
The atomizing core according to claim 2, wherein the atomizing core comprises an insulating member, and the insulating member is disposed between the movable tube and the pole.
The atomizing core according to claim 3, wherein the insulating member is an insulating ring provided between the movable tube and the pole, and the movable tube serves as a negative electrode and / or the movable tube and The fixed base is used as a negative electrode, the pole is used as a positive electrode, and the heat generating component is electrically connected to the negative electrode and the positive electrode.
The atomizing core according to claim 4, wherein the fixed base and the movable tube are made of ceramic printed with a conductive layer.
The atomizing core according to claim 1, wherein the fixing base comprises a base body and a limiting edge, and two ends of the base body along the first direction penetrate into a hollow tube, and the limiting edge is An edge of one end of the base body is formed to extend inward; the movable tube is limitedly supported on the limiting edge along the first direction when in the closed position.
The atomizing core according to claim 1, wherein the atomizing core comprises a reset member, and the reset member is variably disposed between the movable member and the fixed seat along the first direction. .
The atomizer is characterized in that the atomizer includes a shell and an atomizing core assembled in the shell, the liquid storage cavity is formed in the shell, and the atomizing core is the above claim 1- The atomizing core according to any one of 7.
The electronic cigarette is characterized in that the electronic cigarette includes an atomizer and a battery device, the battery device is electrically connected to the atomization core, and the assembly of the battery device and the atomizer is the atomization The movable member in the core provides a driving force for moving from the closed position to the open position with respect to the fixed seat.
The electronic cigarette according to claim 9, wherein the housing comprises a housing and a base provided at one end of the housing, and the base is made of a metal material and is threadedly connected to the battery device.