CN107072307B

CN107072307B - Electronic cigarette

Info

Publication number: CN107072307B
Application number: CN201480082991.0A
Authority: CN
Inventors: 刘秋明
Original assignee: Kimree Technology Co Ltd
Current assignee: Kimree Technology Co Ltd
Priority date: 2014-10-28
Filing date: 2014-10-28
Publication date: 2020-01-10
Anticipated expiration: 2034-10-28
Also published as: WO2016065532A1; CN107072307A

Abstract

An electronic cigarette is provided with a smoking end (1), an oil cup component (2) for storing tobacco tar, an atomizing core (3) for atomizing the tobacco tar, and a battery rod (4) for supplying power to the atomizing core (3); the atomizing core (3) comprises an atomizing sleeve (31), an atomizing cavity (33) is formed in the atomizing sleeve (31), and an electric heating wire assembly (34) is accommodated in the atomizing cavity (33); one end of the atomizing sleeve (31) is provided with an electric connection component which is respectively and electrically connected with the battery rod (4) and the electric heating wire component (34); the electric connection component comprises an inner electrode (35), an insulating sleeve (36) and an outer electrode (37) which are sequentially sleeved and connected from inside to outside; insulating cover (36) orientation the one end in atomizing chamber (33) is equipped with air vent (361), air vent (361) go up the movable cover be equipped with insulating cover (36) integrated into one piece block film (362), can avoid the tobacco tar to pass in the electrode air vent enters into battery pole (4), avoid the air current inductor in battery pole (4) and battery tobacco tar to damage, improved the life of electron cigarette.

Description

Electronic cigarette

Technical Field

The invention relates to the technical field of smoking sets, in particular to an electronic cigarette.

Background

Among the prior art, the electron cigarette includes atomization component and battery pack, and atomization component includes the oil cup subassembly, and connects the atomizing core in oil cup subassembly one end. At present, most electron cigarette is inside to produce the negative pressure when the user smokes for the diaphragm position of the inside air current sensor's of electron cigarette film capacitor changes, thereby the capacitance value changes, triggers the battery pole when changing to a certain extent and supplies power for atomization component. However, when the user blows air into the mouthpiece, a positive pressure is generated inside the electronic cigarette, which may also cause the electronic cigarette to start operating, causing the cigarette ash lamp to be on for a long time, and the smoke oil may flow to the battery rod under the action of the air flow, thereby causing a short circuit of the battery.

Disclosure of Invention

The present invention is directed to provide an electronic cigarette, which overcomes the above-mentioned drawbacks in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the electronic cigarette comprises an electronic cigarette body, wherein the electronic cigarette body is provided with a smoking end, an oil cup assembly for storing tobacco tar, an atomization core for atomizing the tobacco tar and a battery rod for supplying power to the atomization core; the oil cup assembly is provided with an oil storage sleeve, an oil storage cavity for storing tobacco tar is formed in the oil storage sleeve, one end of the oil storage sleeve is an open end communicated with the oil storage cavity, and the atomizing core penetrates through the open end and is detachably inserted into the oil cup assembly;

the atomizing core comprises an atomizing sleeve, one end of the atomizing sleeve, which extends out of the oil storage sleeve, is detachably connected with the battery rod, an atomizing cavity is formed in the atomizing sleeve, and an electric heating wire assembly is accommodated in the atomizing cavity; one end of the atomizing sleeve is provided with an electric connection component which is respectively and electrically connected with the battery rod and the electric heating wire component;

the electric connection component comprises an inner electrode, an insulating sleeve and an outer electrode which are sequentially sleeved and connected from inside to outside; insulating cover orientation the one end in atomizing chamber is equipped with the air vent, the movable cover be equipped with on the air vent with insulating cover integrated into one piece's barrier film to make when the air current is followed smoking end flows to during the atomizing chamber, the air current promotes block the film shutoff the air vent, follows as the air current the atomizing chamber flow direction during the smoking end, the air current promotes block the film and switch on the air vent.

In the electronic cigarette, the inner electrode is positioned on one side of the blocking film, which is far away from the atomizing cavity, and when airflow flows from the smoking end to the atomizing cavity, the airflow pushes the blocking film to abut against the inner electrode so as to block the vent hole.

In the electronic cigarette, one end of the barrier film is fixed on the periphery of the vent hole, and the other end of the barrier film is a free end; the inner electrode is provided with an electrode air passage which penetrates through two ends of the inner electrode and is used for allowing airflow to flow into the atomization cavity, the outer peripheral surface of the inner electrode is elastically abutted to the inner wall of the air hole, the electrode air passage is located in the air hole, so that the airflow enters the atomization cavity from the electrode air passage in the air hole during smoking, and when the airflow flows to the atomization cavity from the smoking end, the airflow pushes the blocking film to abut to the end surface of the inner electrode so as to block the air hole and the electrode air passage.

In the electronic cigarette, the number of the barrier films is multiple, the barrier films are positioned on the end faces of the insulating sleeves, gaps are formed among the barrier films, the end parts of the free ends of the barrier films are positioned on the central axis of the vent holes or around the central axis of the vent holes, and airflow passes through the gaps and pushes the barrier films to conduct the vent holes during smoking.

In the electronic cigarette, an included angle formed between the two gaps is 90 degrees or 120 degrees.

In the electronic cigarette, the heating wire assembly comprises an oil guide part for adsorbing the tobacco tar in the oil storage cavity and a heating wire for atomizing the tobacco tar on the oil guide part, one end of the heating wire is electrically connected with the outer electrode, and the other end of the heating wire penetrates through the insulating sleeve and is electrically connected with the inner electrode.

In the electronic cigarette, the heating wire penetrates through the insulating sleeve from the gap between the barrier film and the vent hole and is electrically connected with the inner electrode.

In the electronic cigarette, the insulating sleeve is provided with a through hole for the electric heating wire to penetrate through, and the through hole is formed in one end face of the insulating sleeve facing the atomizing cavity or in the side wall of the insulating sleeve.

In the electronic cigarette, one end outside the atomizing sleeve is provided with the air hole communicated with the atomizing cavity and used for air inlet and smoke oil discharge in the atomizing cavity.

In the electronic cigarette, an airflow channel and an air inlet communicated with the airflow channel are further arranged in the electronic cigarette body, and the air inlet is formed in the side wall of one end, far away from the atomizing core, of the battery rod.

In the electronic cigarette, two corresponding mounting grooves which are communicated with the oil storage cavity are formed in one end, inserted into the oil storage sleeve, of the atomizing sleeve at intervals, and the electric heating wire assembly is erected in the two mounting grooves.

In the electronic cigarette, a vent pipe for discharging smoke is inserted in the oil storage sleeve, the vent pipe is a hollow rotating body so that an inner cavity of the vent pipe is isolated from the oil storage cavity, and two ends of the vent pipe respectively extend into the smoke suction end and the atomization cavity.

In the electronic cigarette, the atomizing core further comprises an atomizing cover which is sleeved on the atomizing sleeve and the ventilating pipe and is abutted against the electric heating wire assembly, the electric heating wire assembly is erected on the atomizing sleeve and is abutted and fixed through the atomizing cover, and one end of the ventilating pipe penetrates through the atomizing cover and extends into the atomizing cavity.

In the electronic cigarette, the oil storage sleeve and the vent pipe are both light-transmitting bodies, and the vent pipe and the oil storage sleeve are integrally formed.

In the electronic cigarette of the present invention, the outer end surface of the smoking end is a spherical surface.

In summary, the electronic cigarette of the present invention has the following advantages: firstly, because insulating cover is provided with the air vent towards the one end in atomizing chamber and the movable cover stops the film establish on this air vent to form a check valve, when the user blows in towards the electron cigarette like this, the air current promotes and stops the film lid and establish on the air vent, make the air current unable electrode air passage, then the tobacco tar that the air current probably drove can't pass the electrode air passage and enter into in the battery pole, thereby avoid the air current inductor and the battery in the battery pole to be damaged by the tobacco tar, the life of product has been improved. Secondly, through set up the air vent on the insulating cover and with insulating cover integrated into one piece block the film, form above-mentioned check valve, do not need additionally to install independent air current restriction part on the air current channel and prevent that the tobacco tar from entering into in the battery pole, this application electron cigarette is simple structure not only, has still simplified the assembling process of electron cigarette, has practiced thrift manufacturing cost.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

fig. 1 is a schematic structural diagram of an electronic cigarette according to one embodiment of the present invention;

figure 2 is a schematic structural view of an oil cup assembly of the electronic cigarette of figure 1;

figure 3 is a schematic structural view of an atomizing core of the electronic cigarette shown in figure 1;

FIG. 4 is a schematic diagram of the atomizing sleeve of the atomizing core of FIG. 3;

figure 5 is a schematic diagram of the battery rod of the e-cigarette of figure 1;

FIG. 6 is a schematic view of the insulating sheath of the atomizing core of FIG. 3 in a first state;

FIG. 7 is a schematic diagram of a second state of the insulating sleeve of the atomizing core of FIG. 3;

figure 8 is a schematic structural diagram of a first state of an insulating sleeve of an electronic cigarette according to a second preferred embodiment of the present invention;

figure 9 is a schematic structural diagram of a second state of the insulating sleeve of the electronic cigarette according to the second preferred embodiment of the present invention;

figure 10 is a schematic structural diagram of an insulating sleeve of an electronic cigarette according to a third preferred embodiment of the present invention;

figure 11 is a schematic structural diagram of a first state of an insulating sleeve of an electronic cigarette according to a fourth preferred embodiment of the present invention;

figure 12 is a structural diagram of an insulating sleeve of an electronic cigarette according to a fourth preferred embodiment of the present invention in a second state;

figure 13 is a schematic structural diagram of a fifth preferred embodiment of the invention showing a first state of an insulating sleeve of an electronic cigarette;

fig. 14 is a structural diagram of an insulating sleeve of an electronic cigarette according to a fifth preferred embodiment of the invention in a second state.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Fig. 1 shows an electronic cigarette according to one of the preferred embodiments of the present invention, which includes an electronic cigarette body, the electronic cigarette body is provided with a smoking end 1, an oil cup assembly 2 for storing tobacco tar, an atomizing core 3 for atomizing the tobacco tar, a battery rod 4 for supplying power to the atomizing core 3, and an airflow channel 5 for circulating airflow, the airflow channel 5 is opened along an axial direction of the electronic cigarette body and is communicated with the smoking end 1, and an arrow shown in the drawing is a flow direction of the airflow in the electronic cigarette body.

As shown in fig. 2, the oil cup assembly 2 is provided with an oil storage sleeve 21, an oil storage cavity 23 for storing the tobacco tar is formed in the oil storage sleeve 21, one end of the oil storage sleeve 21 is an open end communicated with the oil storage cavity 23, and the atomizing core 3 passes through the open end and is detachably inserted into the oil cup assembly 2;

as shown in fig. 3, the atomizing core 3 includes an atomizing sleeve 31, one end of the atomizing sleeve 31 extending out of the oil storage sleeve 21 is detachably connected to the battery rod 4, an atomizing cavity 33 is formed in the atomizing sleeve 31, and a heating wire assembly 34 is accommodated in the atomizing cavity 33; one end of the atomizing sleeve 31 is provided with an electrical connection assembly electrically connected to the battery rod 4 and the heating wire assembly 34, respectively. Of course, in other embodiments, the atomizing sleeve 31 may be provided as two sleeve bodies, wherein one sleeve body is used for accommodating the heating wire assembly 34, and two ends of the other sleeve body are detachably connected to the battery rod 4 and one end of the sleeve body used for accommodating the heating wire assembly 34. Accordingly, the structure of the atomizing sleeve 31 is not particularly limited herein.

Wherein, the electric connection component comprises an inner electrode 35, an insulating sleeve 36 and an outer electrode 37 which are sequentially sleeved and connected from inside to outside; as shown in fig. 6, a vent hole 361 is formed at an end of the insulating sleeve 36 facing the atomizing chamber 33, a blocking film 362 integrally formed with the insulating sleeve 36 is movably covered on the vent hole 361, so that when airflow flows from the smoking end 1 to the atomizing chamber 33, the vent hole 361 is blocked by the airflow pushing blocking film 362 (shown in fig. 7), and when airflow flows from the atomizing chamber 33 to the smoking end 1, the vent hole 361 is conducted by the airflow pushing blocking film 362 (shown in fig. 6).

In this embodiment, because the end of the insulating sleeve 36 facing the atomizing chamber 33 is provided with the vent hole 361 and the blocking film 362 covering the vent hole 361, and the blocking film 362 blocks or conducts the vent hole 361 under the pushing of the airflow, so that the insulating sleeve 36 and the blocking film 362 form a one-way valve, when a user blows air into the electronic cigarette, the airflow pushes the blocking film 362 to cover the vent hole 361, so that the airflow cannot pass through the electrode air passage 351 (as shown in fig. 3), and the smoke possibly driven by the airflow cannot pass through the electrode air passage 351 to enter the battery rod 4, thereby preventing an airflow sensor (not numbered in the drawing) and the battery 42 in the battery rod 4 from being damaged by the smoke, and prolonging the service life of the product.

In addition, through set up on insulating cover 36 vent 361 and with insulating cover 36 integrated into one piece's barrier film 362, form above-mentioned check valve, do not need additionally to install independent air current restriction part on air current channel 5 and prevent that tobacco tar from entering into in the battery pole 4, this application electron cigarette is simple structure not only, has still simplified the assembling process of electron cigarette, has practiced thrift manufacturing cost.

The specific structure of the atomizing core 3 will be described in detail with reference to the embodiment shown in fig. 3 and 4.

The both ends of atomizing core 3 are connected with oil cup subassembly 2 and battery pole 4 detachable respectively, and the structure that should dismantle the connection can be threaded connection structure or buckle connection structure etc. and in this embodiment, the connection between atomizing core 3 and oil cup subassembly 2 and the battery pole 4 is threaded connection.

As shown in fig. 3, the atomizing core 3 mainly includes an atomizing sleeve 31, an atomizing cap 32, an atomizing chamber 33, a heating wire assembly 34, and an electrical connection assembly.

The electrical connection assembly comprises an inner electrode 35, an insulating sleeve 36 and an outer electrode 37 which are sequentially sleeved from inside to outside, wherein the inner electrode 35 is provided with an electrode air passage 351 which penetrates through two ends of the inner electrode 35 and is used for air flow circulation, and the electrode air passage 351 is communicated with the air vent 361. Further, the outer peripheral surface of the inner electrode elastically abuts against the inner wall of the ventilation hole 361, the electrode air passage 351 is located in the ventilation hole 361, so that the air flow enters the atomization chamber 33 from the electrode air passage 351 in the ventilation hole 361 during smoking, and when the air flow flows from the smoking end 1 to the atomization chamber 33, the air flow pushes the blocking film 362 to abut against the end surface of the inner electrode 35, thereby blocking the ventilation hole 361 and the electrode air passage 351. Of course, a blocking portion may be protruded on the wall of the insulating sleeve 36 located at the ventilation hole 361, or the area of the blocking film 362 may be larger than the area of the ventilation hole 361, so that when the airflow flows from the smoking end 1 to the atomization chamber 33, the airflow pushes the blocking film 362 to abut against the blocking portion or the end surface of the insulating sleeve 36, thereby blocking the ventilation hole 361 and the electrode ventilation channel 351. The specific structure thereof is not particularly limited.

Referring to fig. 6, the insulating sleeve 36 is substantially a hollow cylinder, a vent hole 361 and a blocking film 362 are disposed on a side of the insulating sleeve 36 facing the atomizing chamber 33, the blocking film 362 is movably covered on the vent hole 361, and the blocking film 362 and the insulating sleeve 36 are integrally formed. In this embodiment, the blocking film 362 is a circular structure, one end of the blocking film 362 is a fixed end fixed on the periphery of the ventilation hole 361, and the other end of the blocking film 362 is a free end. The blocking film 362 and the vent hole 361 jointly form a one-way valve, when the airflow flows from the smoking end 1 to the atomization chamber 33, the airflow pushes the free end of the blocking film 362, so that the blocking film 362 abuts against the inner electrode 35 to block the vent hole 361, and the one-way valve is closed; when the airflow flows from the atomizing chamber 33 to the smoking end 1, the airflow pushes the free end of the blocking film 362 to open the vent hole 361, thereby opening the check valve.

During smoking, the airflow passes through the electrode air passage 351 (shown in fig. 3), and lifts the blocking film 362 upwards, the airflow moves upwards and is inhaled by a user, and the electronic cigarette works normally; when the electronic cigarette is not in operation, the blocking film 362 covers the vent hole 361, thereby preventing the smoke from flowing into the battery rod 4 through the vent hole 361 and the electrode vent channel 351. In this embodiment, by providing a check valve on the insulating sleeve 36, the smoke can be effectively prevented from entering the battery rod 4 through the electrode air passage 351.

It will be appreciated that in other embodiments, the blocking membrane 362 may be connected to the periphery of the ventilation hole 361 in other manners, as long as the blocking membrane 362 and the ventilation hole 361 together form a one-way valve, and the airflow pushes the blocking membrane 362 to close the ventilation hole 361 when the airflow flows from the smoking end 1 to the atomization chamber 33, and pushes the blocking membrane 362 to open the ventilation hole 361 when the airflow flows from the atomization chamber 33 to the smoking end 1. The thickness and size of the barrier film 362 may be set as required, and is not particularly limited herein.

In this embodiment, the atomizing sleeve 31 is an outer electrode 37 of the electrical connection assembly, the insulating sleeve 36 and the inner electrode 35 are sequentially sleeved in the atomizing sleeve 31, and the heating wire assembly 34 is electrically connected to the battery rod 4 through the atomizing sleeve 31 and the inner electrode 37. It will be appreciated that in other embodiments, the atomizing sleeve 31 may not be the outer electrode 37, i.e., the atomizing sleeve 31 is made of an insulating material, and the outer electrode 37, the insulating sleeve 36 and the inner electrode 35 are sequentially fitted into the atomizing sleeve 31. The present embodiment does not limit the specific structure of the inner electrode 35 and the outer electrode 37 as long as they can be electrically connected to the heating wire assembly 34 and the battery rod 4, respectively.

As shown in fig. 3, the heating wire assembly 34 includes an oil guide 341 and a heating wire 342, the oil guide 341 is made of an oil absorbing material and is fixed at the bottom of the mounting groove 311 (shown in fig. 4) of the atomizing sleeve 31, both ends of the oil guide 341 extend into the oil storage chamber 21, and the heating wire 342 is wound around the oil guide 341 and electrically connected to the battery rod 4.

Specifically, one end of the heating wire 342 extends between the atomizing sleeve 31 and the insulating sleeve 36 and is electrically connected to the outer electrode 37, and the other end of the heating wire 342 passes through the insulating sleeve 36 and is electrically connected to the inner electrode 35. In this embodiment, the inner surface of the atomizing sleeve 31 is in interference fit with the circumferential outer surface of the insulating sleeve 36 and clamps one end of the heating wire 342, so that one end of the heating wire 342 is electrically connected with the atomizing sleeve 31; the other end of the heating wire 342 passes through a gap between the vent hole 361 and the blocking film 362 and extends between the insulating sheath 36 and the inner electrode 35, and the inner surface of the insulating sheath 36 is in interference fit with the circumferential outer surface of the inner electrode 35 and clamps the other end of the heating wire 342, so that the other end of the heating wire 342 is electrically connected with the inner electrode 35.

As shown in fig. 4, one end of the atomizing sleeve 31 is detachably connected to the oil storage sleeve 21, and the other end is detachably connected to the battery rod 4. Specifically, the atomizing sleeve 31 includes a main body 310 having a substantially hollow cylindrical structure, and the main body 310 is provided with a mounting groove 311, an air hole 312, a limit catch 313, an annular groove 314, a protrusion 316 and a limit protrusion 317.

The mounting groove 311 is opened at an end of the main body 310 close to the smoking end 1 and extends toward a side far from the smoking end 1. In this embodiment, the two mounting grooves 311 are disposed at an interval, and the two mounting grooves 311 are communicated with the oil storage chamber 23, and the oil guide 341 of the heating wire assembly 34 is installed at the bottom of the two mounting grooves 311.

The air hole 312 is disposed at an end of the main body 310 extending to the outside of the oil storage sleeve 21 and is communicated with the atomizing chamber 33, and the air hole 312 is mainly used for introducing and discharging the tobacco tar in the atomizing chamber 33. Since the air hole 312 is located outside the oil storage sleeve 21, the air flow can directly enter the atomizing chamber 33 through the air hole 312 without generating noise.

The limiting clamping table 313 is convexly arranged on the outer wall of the main body 310, which can prevent the atomizing core 3 from being blocked by the oil storage sleeve 21 in the assembling process. Specifically, in the assembling process of the atomizing core 3, the limiting clamping table 313 abuts against the side edge of the port of the oil storage sleeve 21, and the air hole 312 is located on one side of the limiting clamping table 313 away from the smoking end 1, so that the air hole 312 can be prevented from being blocked in the assembling process.

Preferably, in order to prevent the smoke from leaking from the connection between the main body 310 and the oil storage sleeve 21, a sealing member (not numbered) may be provided around the main body 310. Specifically, in this embodiment, an annular groove 314 is formed in an outer peripheral wall of the main body 310 in the oil storage sleeve 21, and the sealing element is fixed in the annular groove 314 and elastically abuts against an inner wall of the oil storage sleeve 21, so as to achieve a sealing effect.

Preferably, in order to better support the heating wire assembly 34, the main body 310 is provided with a protrusion 316 for supporting the heating wire assembly 34, one end of the protrusion 316 is fixed to the bottom of the mounting groove 311, and the other end extends in an axial direction away from the main body 310. By providing the protrusion 316, it is possible to prevent the heating wire assembly 34 from sliding into the atomizing chamber 33 due to the excessively thin sidewall supporting the heating wire assembly 34.

Preferably, as shown in fig. 3, the heating wire assembly 34 is erected on the atomizing sleeve 31 and is supported and fixed by the atomizing cover 32, and the atomizing cover 32 is sleeved on the atomizing sleeve 31 and supported on the heating wire assembly 34, so as to avoid the atomizing cover 32 excessively extruding the heating wire assembly 34, a limit protrusion 317 which is supported against an end surface of the atomizing cover 32 may be convexly disposed on the main body 310.

As shown in fig. 3, the atomizing cap 32 is provided with an accommodating cavity (not numbered) axially through, a end of the atomizing cap 32 away from the smoking end 1 is sleeved on the main body 310 and abuts against the limiting protrusion 317, and the vent pipe 22 is inserted from an end of the atomizing cap 32 close to the smoking end 1 and is in interference fit with a sidewall of the accommodating cavity.

Preferably, in order to avoid the smoke oil from leaking from the connection between the ventilation tube 22 and the atomizing cap 32, a sealing ring (not numbered in the figure) sleeved on the ventilation tube 22 may be disposed in the accommodating cavity of the atomizing cap 32, the outer peripheral surface of the sealing ring elastically abuts against the sidewall of the accommodating cavity, and the inner peripheral surface of the sealing ring elastically abuts against the outer peripheral wall of the ventilation tube 22 to perform a sealing function.

Furthermore, when the breather pipe 22 is connected with the sealing ring, the elastic acting force of mutual extrusion is kept all the time, so that the connection between the atomizing core 3 and the breather pipe 22 is more tight, thereby preventing the tobacco tar from flowing into the breather pipe 22 and avoiding the user from sucking the tobacco tar.

In this embodiment, the atomizing core 3 mainly includes an atomizing sleeve 31, an atomizing chamber 33 is disposed inside the atomizing sleeve 31 and communicated with the air pipe 22, and the heating wire assembly 34 is accommodated in the atomizing chamber 33; the atomizing cover 32 is disposed on the atomizing sleeve 31 and the vent tube 22, and is supported on the heating wire assembly 34, and one end of the vent tube 22 penetrates the atomizing cover 32 and extends into the atomizing chamber 33. It is to be understood that the atomizing core 3 of the present application is not limited to the above-described structure, and may have other structures as long as it can atomize the tobacco tar.

The specific structure of the oil cup assembly 2 and the smoking end 1 will be described in detail with reference to the embodiment shown in fig. 2.

As shown in fig. 2, the oil cup assembly 2 mainly includes an oil reservoir 21, a breather pipe 22, an oil reservoir chamber 23, and a connector 24.

The oil storage sleeve 21 is roughly cylindrical, the connecting piece 24 is connected to one end of the oil storage sleeve 21 close to the atomizing core 3, the breather pipe 22 is arranged in the oil storage sleeve 21 along the axial direction of the oil storage sleeve 21, an oil storage cavity 23 is formed between the oil storage sleeve 21 and the breather pipe 22, and the tobacco tar atomized by the atomizing core 3 is stored in the oil storage cavity 23. In order to facilitate the user to check the remaining amount of the smoke in the oil storage chamber 23, in the present embodiment, the oil storage sleeve 21 is made of a light-permeable material.

The air pipe 22 is enclosed to form an air flow channel for air flow to flow into the mouthpiece cover 5, and two ends of the air pipe 22 are respectively inserted into the smoking end 1 and the atomizing core 3. In this embodiment, the vent tube 22 is also made of a light-permeable material.

Connecting piece 24 inserts and establishes the one end that is used for being connected with atomizing core 3 in oil storage cover 21, and the mode of being connected is dismantled between connecting piece 24 and the atomizing core 3, in this embodiment, is threaded connection between connecting piece 24 and the atomizing core 3, and connecting piece 24 is used for being provided with the internal thread with the position department of atomizing core 3 connection, and the outer peripheral face of atomizing core 3 is provided with the external screw thread structure with this internal thread looks adaptation. If the connector 24 and the atomizing core 3 are detachably connected, other connecting structures may be further provided on the connector 24, such as an elastic snap spring in a snap connection.

As shown in fig. 2, the smoking end 1 includes a suction nozzle, and the suction nozzle is fixed at one end of the oil storage sleeve 21 far away from the atomizing core 3, the bottom wall of the suction nozzle is provided with an air outlet (not numbered) for smoke to flow out, so as to facilitate the user to inhale, and the air pipe 22 is inserted in the suction nozzle and is communicated with the air outlet. In this embodiment, the suction nozzle is fixedly connected with the oil storage sleeve 21 by tightening. Of course, the smoking end 1 and the oil cup component 2 may be detachably connected by a screw thread or integrally formed, and the like, and are not limited in particular.

Preferably, the outer end surface of the suction nozzle is spherical, so that the suction nozzle is more attractive, and the suction nozzle with the spherical outer end surface is more convenient for cleaning dirt. In addition, the suction nozzle structure with the spherical outer end surface has better stability, and can avoid the situation that the suction nozzle is easy to deform and fall off when hard objects such as teeth in the oral cavity are clamped on the suction nozzle.

Preferably, the mouthpiece in this embodiment is made of a metal material, which can prevent the mouthpiece from easily falling off when hard objects such as teeth in the oral cavity are clamped on the oil storage sleeve 21, wherein the metal may be a metal such as copper, iron, or steel, and is not limited in this respect.

It will be appreciated that in other embodiments the mouthpiece may be removably attached to the cup assembly to facilitate cleaning of the mouthpiece by the user, and the embodiment is not limited to a specific configuration of the smoking end 1, as long as it is capable of expelling smoke.

The specific structure of the battery rod 4 will be described in detail with reference to the embodiment shown in fig. 5.

As shown in fig. 5, the battery stick 4 mainly includes a battery case 41, a battery 42, an air intake hole 43, an electrode assembly 44, an air flow sensor, and a control unit (not numbered in the drawing).

The battery case 41 has a substantially hollow cylindrical structure, and the battery case 41 is detachably connected to the atomizing cover 31 of the atomizing core 3.

A battery 42 is fixed in the battery housing 41 and is mainly used for supplying the atomizing core 3 and the control unit with power required for operation.

The air inlet 43 is communicated with the smoke channel 5 in the electronic cigarette body, and the air inlet 43 is mainly used for air inlet and is arranged on the side wall of one end of the battery sleeve 41 far away from the smoking end 1.

The electrode assembly 44 is fixed at one end of the battery case 41 near the atomizing core 3 and is electrically connected with the electrical connection assembly of the atomizing core 3. In this embodiment, the electrode assembly 44 includes an inner electrode connecting member, an insulating member, and an outer electrode connecting member, which are sequentially sleeved from inside to outside, and the outer electrode connecting member is the battery case 21. It is to be understood that the present application is not limited to a particular structure of electrode assembly 44, and that electrode assembly 44 may have other structures in other embodiments. Since the inner electrode connecting member, the insulating member and the outer electrode connecting member are common technical means in the prior art, they are not described herein again.

The airflow sensor and the control unit are respectively accommodated in the battery case 41, the airflow sensor is mainly used for detecting an airflow signal and generating a pulse signal, and the control unit is respectively electrically connected with the airflow sensor and the battery 42. The control unit is mainly used for receiving signals sent by the airflow sensor and controlling the working state of the atomizing core 3 according to the received signals. Of course, a key switch may be used instead of the air flow sensor and the control unit to control whether the battery 42 supplies power to the atomizing core 3, which is not limited herein.

In this embodiment, the battery rod 4 includes a battery 42, an electrode assembly 43, an airflow sensor and a control unit, which are respectively sleeved in the battery sleeve 41, and it is understood that the battery rod 4 of the present application is not limited to the above structure, and may have other structures as long as it can provide power for the atomizing core 3, and the battery sleeve 41 is detachably connected to the oil storage sleeve 21.

Fig. 8 and 9 show an electronic cigarette according to a second preferred embodiment of the present invention, which is different from the first embodiment in the structure of the insulating sheath 36.

As shown in fig. 8 and 9, the insulating sleeve 36 is a substantially hollow cylinder, and the side of the insulating sleeve 36 facing the atomizing chamber 33 is provided with a vent 361, a blocking film 362 integrally formed with the insulating sleeve 36, and a perforation 364.

One end of the barrier film 362 is a fixed end fixed to the periphery of the vent hole 361, and the other end of the barrier film 362 is a free end. When the airflow flows from the smoking end 1 to the atomization chamber 33, the airflow pushes the blocking film 362 to block the vent hole 361 (shown in connection with fig. 8), and when the airflow flows from the atomization chamber 33 to the smoking end 1, the airflow passes through the gap 363 between the blocking film 362 and the vent hole 361, and pushes the blocking film 362 to conduct the vent hole 361 (shown in connection with fig. 9).

Further, the through hole 364 is mainly used for the electric heating wire 342 of the electric heating wire assembly 34 to pass through, and is formed on an end surface of the insulating sleeve 36 facing the atomizing chamber 33, and one end of the electric heating wire 342 passes through the through hole 364 to be electrically connected with the inner electrode 35. Specifically, the inner surface of the atomizing sleeve 31 is in interference fit with the circumferential outer surface of the insulating sleeve 36 and clamps one end of the heating wire 342, so that one end of the heating wire 342 is electrically connected with the atomizing sleeve 31; the other end of the heating wire 342 passes through the penetration hole 364 and extends between the insulating sheath 36 and the inner electrode 35, and the inner surface of the insulating sheath 36 is interference-fitted with the circumferential outer surface of the inner electrode 35 and clamps the other end of the heating wire 342 such that the other end of the heating wire 342 is electrically connected with the inner electrode 35.

Fig. 10 shows an electronic cigarette according to a third preferred embodiment of the present invention, which is different from the second embodiment in the opening position of the through hole 364 on the insulating sheath 36.

As shown in fig. 10, the insulating sleeve 36 is a substantially hollow cylindrical structure, and a side of the insulating sleeve 36 facing the atomizing chamber 33 is provided with a vent hole 361, a blocking film 362 integrally formed with the insulating sleeve 36, and a through hole 364.

One end of the barrier film 362 is a fixed end fixed to the periphery of the vent hole 361, and the other end of the barrier film 362 is a free end.

Further, the through hole 364 is mainly used for the heating wire 342 of the heating wire assembly 34 to pass through, and is formed on the side wall of the insulating sheath 36, and one end of the heating wire 342 passes through the through hole 364 and is electrically connected with the inner electrode 35.

Fig. 11 and 12 show an electronic cigarette according to the fourth preferred embodiment of the present invention, which is different from the first embodiment in the insulating sheath 36.

As shown in fig. 11 and 12, the insulating sleeve 36 is a substantially hollow cylindrical structure, and the side of the insulating sleeve 36 facing the atomizing chamber 33 is provided with a vent hole 361, a blocking film 362 integrally formed with the insulating sleeve 36, and a perforation 364.

The blocking films 362 are located on the end face of the insulating sleeve 36, a gap 363 is formed between the blocking films 362, the end of the free end of the blocking film 362 is located on the central axis of the vent 361 or around the central axis of the vent 361, the blocking film 362 is fixed on the vent 361, and the gap 363 is formed in the blocking film 362. In this embodiment, the number of the barrier films 362 is four, and an included angle formed between the two slits 363 is 90 degrees. Since a plurality of barrier films 362 are provided, a single barrier film 362 can be designed to be small, so that the problem of easy fatigue caused by only one barrier film 362 can be solved, and even if one barrier film 362 fails, the rest of the barrier films 362 can also realize corresponding functions, so that the service life of the product is prolonged.

When the airflow flows from the smoking end 1 to the atomization chamber 33, the airflow pushes the blocking film 362 to block the ventilation holes 361 (shown in connection with fig. 11), and when the airflow flows from the atomization chamber 33 to the smoking end 1, the airflow passes through the slits 363 and pushes the blocking film 362 to open the ventilation holes 361 (shown in connection with fig. 12).

Further, the through hole 364 is mainly used for the electric heating wire 342 of the electric heating wire assembly 34 to pass through, and is formed on an end surface of the insulating sleeve 36 facing the atomizing chamber 33, and one end of the electric heating wire 342 passes through the through hole 364 to be electrically connected with the inner electrode 35.

Fig. 13 and 14 show an electronic cigarette provided in the fifth preferred embodiment of the present invention, which is different from the fourth preferred embodiment in the insulating sheath 36.

The blocking films 362 are located on the end face of the insulating sleeve 36, a gap 363 is formed between the blocking films 362, the end of the free end of the blocking film 362 is located on the central axis of the vent 361 or around the central axis of the vent 361, the blocking film 362 is fixed on the vent 361, and the gap 363 is formed in the blocking film 362. In this embodiment, there are three barrier films 362, and the included angle formed between the two slits 363 is 120 degrees.

When the airflow flows from the smoking end 1 to the atomization chamber 33, the airflow pushes the blocking film 362 to block the ventilation holes 361 (shown in connection with fig. 13), and when the airflow flows from the atomization chamber 33 to the smoking end 1, the airflow passes through the slits 363 and pushes the blocking film 362 to open the ventilation holes 361 (shown in connection with fig. 14).

In summary, the electronic cigarette of the present invention has the following advantages:

(1) because the insulating cover is provided with the air vent towards the one end in atomizing chamber and the movable cover stops the film establish on this air vent to form a check valve, when the user blows in towards the electron cigarette like this, the air current promotes and stops the film lid and establish on the air vent, make the air current unable electrode air passage of passing through, then the tobacco tar that the air current probably drove can't pass the electrode air passage and enter into in the battery pole, thereby avoid the air current inductor and the battery in the battery pole to be damaged by the tobacco tar, the life of product has been improved.

(2) Through set up the air vent on insulating cover and with insulating cover integrated into one piece block the film, form above-mentioned check valve, need not additionally install independent air current restriction part on the air current passageway and prevent that the tobacco tar from entering into in the battery pole, this application electron cigarette is simple structure not only, has still simplified the assembling process of electron cigarette, has practiced thrift manufacturing cost.

(3) Be provided with the sealing ring in the atomizing lid of atomizing core, when the breather pipe was connected with the sealing ring, keep having each other extruded elastic force always, can make atomizing core inseparabler with being connected of breather pipe like this to prevent that the tobacco tar from flowing into to the breather pipe, avoid the user to absorb the tobacco tar.

(4) The oil storage sleeve is made of a light-permeable material, so that a user can conveniently check the residual amount of tobacco tar in the oil storage cavity.

(5) The atomizing core and the oil cup assembly are of a detachable connection structure, so that a user can replace the damaged atomizing core conveniently, and resource waste is avoided.

While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, various modifications may be made to adapt a particular situation or material to the teachings of the invention, for example, the barrier film 362 may be attached to the periphery of the ventilation aperture 361 by other means such as adhesive, hinge, etc., without departing from the scope of the invention. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. An electronic cigarette comprises an electronic cigarette body, wherein the electronic cigarette body is provided with a smoking end (1), an oil cup component (2) for storing tobacco tar, an atomizing core (3) for atomizing the tobacco tar, and a battery rod (4) for supplying power to the atomizing core (3); the oil cup assembly (2) is provided with an oil storage sleeve (21), an oil storage cavity (23) for storing tobacco tar is formed in the oil storage sleeve (21), and the oil cup assembly is characterized in that one end of the oil storage sleeve (21) is an open end communicated with the oil storage cavity (23), and the atomizing core (3) penetrates through the open end and is detachably inserted into the oil cup assembly (2);

the atomizing core (3) comprises an atomizing sleeve (31), one end of the atomizing sleeve (31) extending out of the oil storage sleeve (21) is detachably connected with the battery rod (4), an atomizing cavity (33) is formed in the atomizing sleeve (31), and an electric heating wire assembly (34) is accommodated in the atomizing cavity (33); one end of the atomizing sleeve (31) is provided with an electric connection component which is respectively and electrically connected with the battery rod (4) and the electric heating wire component (34);

the electric connection component comprises an inner electrode (35), an insulating sleeve (36) and an outer electrode (37) which are sequentially sleeved and connected from inside to outside; a vent hole (361) is formed in one end, facing the atomizing cavity (33), of the insulating sleeve (36), and a blocking film (362) integrally formed with the insulating sleeve (36) is movably covered on the vent hole (361);

3 or 4 barrier films (362) are arranged, each barrier film (362) is positioned on the end face of the insulating sleeve (36), a gap (363) is formed between the barrier films (362), and an included angle formed between the two gaps (363) is 90 degrees or 120 degrees;

the end part of the free end of the blocking film (362) is located on the central axis of the vent hole (361) or located around the central axis of the vent hole (361), when airflow flows from the smoking end (1) to the atomization cavity (33), the airflow pushes the blocking film (362) to block the vent hole (361), and when the airflow flows from the atomization cavity (33) to the smoking end (1), the airflow pushes the blocking film (362) to conduct the vent hole (361), so that the insulating sleeve (36) and the blocking film (362) form a one-way valve.

2. The electronic cigarette according to claim 1, characterized in that the inner electrode (35) is located on a side of the blocking membrane (362) facing away from the nebulization chamber (33), the air flow pushing the blocking membrane (362) against the inner electrode (35) so as to block the vent hole (361) when the air flow flows from the smoking end (1) to the nebulization chamber (33).

3. The electronic cigarette according to claim 2, wherein one end of the blocking film (362) is fixed to the periphery of the vent hole (361), and the other end of the blocking film (362) is a free end; the inner electrode (35) is provided with an electrode air passage (351) penetrating through two ends of the inner electrode (35) and used for allowing airflow to flow into the atomization cavity (33), the outer peripheral surface of the inner electrode (35) is in elastic abutting joint with the inner wall of the air hole (361), the electrode air passage (351) is located in the air hole (361), so that the airflow enters the atomization cavity (33) from the electrode air passage (351) in the air hole (361) during smoking, and when the airflow flows to the atomization cavity (33) from the smoking end (1), the airflow pushes the blocking film (362) to abut against the end surface of the inner electrode (35) so as to block the air hole (361) and the electrode air passage (351).

4. The electronic cigarette according to claim 1, wherein the heating wire assembly (34) comprises an oil guide (341) for adsorbing the smoke in the oil storage chamber (23) and a heating wire (342) for atomizing the smoke on the oil guide (341), one end of the heating wire (342) is electrically connected to the outer electrode (37), and the other end of the heating wire (342) is electrically connected to the inner electrode (35) through the insulating sleeve (36).

5. The electronic cigarette of claim 4, wherein the heating wire (342) passes through the insulating sleeve (36) from the gap (363) between the barrier membrane (362) and the ventilation hole (361) and is electrically connected to the inner electrode (35).

6. The electronic cigarette according to claim 4, wherein the insulating sleeve (36) is provided with a through hole (364) for the heating wire (342) to pass through, and the through hole (364) is provided on an end surface of the insulating sleeve (36) facing the atomizing chamber (33) or on a side wall of the insulating sleeve (36).

7. The electronic cigarette according to claim 1, wherein an air hole (312) communicated with the atomizing chamber (33) and used for air intake and smoke oil discharge in the atomizing chamber (33) is formed in one end of the atomizing sleeve (31) extending out of the oil storage sleeve (21).

8. The electronic cigarette according to claim 1, wherein an airflow channel (5) and an air inlet (43) communicated with the airflow channel (5) are further provided in the electronic cigarette body, and the air inlet (43) is provided on a side wall of an end of the battery rod (4) far away from the atomizing core (3).

9. The electronic cigarette according to claim 1, wherein two corresponding mounting grooves (311) are formed at an end of the atomizing sleeve (31) inserted into the oil storage sleeve (21) at intervals and communicated with the oil storage cavity (23), and the heating wire assembly (34) is erected in the two mounting grooves (311).

10. The electronic cigarette according to claim 1, wherein a ventilation pipe (22) for exhausting smoke is inserted into the oil storage sleeve (21), the ventilation pipe (22) is a hollow rotating body, so that an inner cavity of the ventilation pipe (22) is isolated from the oil storage cavity (23), and two ends of the ventilation pipe (22) extend into the smoking end (1) and the atomization cavity (33) respectively.

11. The electronic cigarette according to claim 10, wherein the atomizing core (3) further comprises an atomizing cover (32) sleeved on the atomizing sleeve (31) and the ventilation tube (22) and abutted against the heating wire assembly (34), the heating wire assembly (34) is erected on the atomizing sleeve (31) and abutted and fixed by the atomizing cover (32), and one end of the ventilation tube (22) passes through the atomizing cover (32) and extends into the atomizing chamber (33).

12. The electronic cigarette according to claim 10, wherein the oil storage sleeve (21) and the ventilation pipe (22) are both light-transmitting bodies, and the ventilation pipe (22) and the oil storage sleeve (21) are integrally formed.

13. The electronic cigarette according to claim 1, wherein the outer end surface of the smoking end (1) is spherical.