CN211323062U

CN211323062U - Electronic cigarette

Info

Publication number: CN211323062U
Application number: CN201922013718.5U
Authority: CN
Inventors: 徐博林; 张莉莉
Original assignee: Changzhou Musai Electric Control Equipment Co ltd
Current assignee: Changzhou Musai Electric Control Equipment Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-08-25
Anticipated expiration: 2029-11-20

Abstract

The utility model discloses an electronic cigarette, include: the air conditioner comprises a shell, a first air inlet and a second air inlet, wherein two ends of the shell are opened, and the side wall of the shell is provided with a first air inlet; the suction nozzle is arranged at one end of the shell and is provided with a smoke outlet; a tobacco tar bin; the installation base is arranged at the other end of the shell, and one end of the tobacco tar bin is connected with the installation base; the micro pump is fixed on the mounting base and is provided with a fluid inlet and a fluid outlet which are communicated with the pump cavity, the fluid inlet is communicated with the oil inlet, and the fluid outlet is communicated with the oil outlet; an atomizing core subassembly for carrying out atomization treatment to the tobacco tar, atomizing core subassembly is established in the atomizer chamber, and atomizing core subassembly fixes on the installation base. According to the utility model discloses an electron cigarette makes fluid distribution and heat distribution phase-match through defeated oil pipe, solves electron cigarette oil leak and dry combustion method problem.

Description

Electronic cigarette

Technical Field

The utility model belongs to the technical field of the electron cigarette technique and specifically relates to an electron cigarette is related to.

Background

At present, the electronic cigarette mostly uses a mode that a micropore ceramic atomizing core and an oil guide cotton core are wound with a metal heating wire, when oil is supplied to the micropore ceramic atomizing core, the oil is sufficiently supplied to an oil port position and insufficient oil is supplied to peripheral positions, so that dry burning and oil leakage caused by mismatching of oil distribution and heat distribution are caused; lead the atomizer of oily cotton core winding metal heater form and utilize capillary phenomenon to lead oil, along with the fuel feeding distribution that the change of oil storage device fluid liquid level arouses is not matched with heat distribution, also can appear dry combustion method and oil leak, has very big harm to suction person's health.

For example, chinese application publication No. CN109805459A discloses an active oil supply type atomizing structure, in which the atomizer is a ceramic atomizer, and even if the oil supply is a micro liquid pump active oil supply, since the oil introduced into the atomizer enters the atomizer from the center, the central part of the atomizer is fully supplied with oil and the peripheral part is not sufficiently supplied with oil, so that the heat and the oil are not distributed together, resulting in local dry burning.

Also, for example, chinese application publication No. CN109259325A discloses a structure of an electronic cigarette atomizer, and specifically discloses a structure in which a bundle of thin tubes fixed together by a plurality of thin tubes is inserted into a smoke chamber, and oil is guided by means of a formed capillary gap, so that the change of oil guiding speed is affected by the consumption of smoke, and dry burning is caused when the liquid level is low due to untimely oil guiding.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electronic cigarette, electronic cigarette the electronic cigarette makes fluid distribution and heat distribution phase-match through defeated oil pipe, solves electronic cigarette oil leak and dry combustion method problem.

According to the utility model discloses electron cigarette, include: the air conditioner comprises a shell, a first air inlet and a second air inlet, wherein two ends of the shell are open, and the side wall of the shell is provided with a first air inlet; the suction nozzle is arranged at one end of the shell and is provided with a smoke outlet; the smoke oil bin is arranged in the shell and provided with a flue and an oil storage cavity which are spaced, one end of the flue is communicated with the smoke outlet hole, the bottom of the smoke oil bin is provided with a first oil conveying hole communicated with the oil storage cavity, the top of the smoke oil bin is provided with an oil filling hole communicated with the oil storage cavity, and one side of the oil storage cavity, which is opposite to the first air inlet hole, is provided with an open hole; the flexible membrane blocks the open opening, and a flexible oil bag is defined by the flexible membrane and the oil storage cavity; the installation base is arranged at the other end of the shell, one end of the smoke bin is connected with the installation base, the shell, the suction nozzle and the smoke bin define an atomization chamber communicated with the flue, the installation base is provided with an oil inlet channel, one end of the oil inlet channel is provided with a second oil conveying hole opposite to the first oil conveying hole, the second oil conveying hole is communicated with the first oil conveying hole, the other end of the oil inlet channel is provided with an oil inlet hole, the installation base is further provided with an oil outlet channel, the oil outlet channel is spaced from the oil inlet channel, one end of the oil outlet channel is provided with an oil outlet hole, the other end of the oil outlet channel is provided with an oil guide hole, and a second air inlet hole communicated with the atomization chamber is formed in the bottom wall of the installation base; the micropump is fixed on the mounting base and provided with a fluid inlet and a fluid outlet which are communicated with a pump cavity, the fluid inlet is communicated with the oil inlet, and the fluid outlet is communicated with the oil outlet; an atomizing core subassembly for carrying out atomization treatment to the tobacco tar, atomizing core subassembly is established in the atomizer chamber, just atomizing core subassembly is fixed on the installation base.

According to the utility model discloses electron cigarette makes fluid distribution and heat distribution phase-match through defeated oil pipe, solves electron cigarette oil leak and dry combustion method problem, and in addition, on flue and flexible oil pocket arranged a tobacco tar storehouse, and flue and flexible oil pocket keep apart, realize the separation of tobacco tar and flue, further prevent to suck in-process tobacco tar by the suction nozzle in to can promote user's use and experience.

According to some embodiments of the utility model, when not annotating the tobacco tar in the flexible oil pocket, the flexible membrane with the diapire laminating in oil storage chamber when filling with the tobacco tar in the flexible oil pocket, the flexible oil pocket with the inner wall of shell ends to.

According to the utility model discloses a some embodiments, be equipped with two spaced apart electrodes on the lateral wall of micropump, be equipped with two spaced apart electrode post holes on the diapire of installation base, every all be equipped with the electrode post in the electrode post hole, the electron cigarette still includes two metal conductive foil pieces, two metal conductive foil piece and two electrodes, two electrode post one-to-one cooperation, metal conductive foil piece includes: one side of the first connecting section is abutted against the electrode, and the other side of the first connecting section is abutted against the inner wall of the shell; the second connecting section is connected with the first connecting section, one side of the second connecting section is abutted against the electrode column, and the extending direction of the second connecting section is perpendicular to that of the first connecting section.

According to some embodiments of the invention, the atomizing core assembly comprises: the oil delivery pipe is provided with a third oil delivery hole communicated with the oil guide hole at one end, the other end of the oil delivery pipe is closed, an opening penetrating through the oil delivery pipe in the thickness direction of the oil delivery pipe is formed in the peripheral wall of the oil delivery pipe, and the opening extends along the axial direction of the oil delivery pipe; the oil guide sleeve is sleeved on the oil conveying pipe and wraps the opening; the heating wire is wound on the peripheral wall of the oil guide sleeve.

According to some embodiments of the present invention, the opening on the oil pipeline is slit-shaped, and the width of the slit is 0.01-2.1 mm.

According to the utility model discloses a some embodiments, the opening is one or more, and a plurality of openings are in defeated oil pipe's circumferential direction interval sets up.

According to some embodiments of the utility model, the blind end of defeated oil pipe is equipped with the intercommunication open-ended gas vent.

According to some embodiments of the present invention, the oil delivery pipe is provided with a semi-permeable membrane on an end surface of the gas outlet, the semi-permeable membrane covers the gas outlet, and the semi-permeable membrane allows gas to pass through but does not allow liquid to pass through.

According to some embodiments of the utility model, the gas vent is a plurality of, the shape of pellicle with defeated oil pipe's cross sectional shape is the same, just the periphery of pellicle along with the periphery of defeated oil pipe terminal surface is along linking to each other.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

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

figure 2 is a cross-sectional view of an electronic cigarette according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a mouthpiece of an electronic cigarette according to an embodiment of the present invention;

figure 4 is a perspective view of a tobacco tar compartment of an electronic cigarette according to an embodiment of the present invention;

figure 5 is a perspective view of another orientation of the tobacco tar compartment of an electronic cigarette according to an embodiment of the present invention;

figure 6 is a cross-sectional view of a tobacco tar compartment of an electronic cigarette, wherein the flexible oil bladder is in an un-filled state, in accordance with an embodiment of the present invention;

figure 7 is a cross-sectional view of a tobacco tar compartment of an electronic cigarette, wherein a flexible oil bladder is in an oiling state, in accordance with an embodiment of the present invention;

figure 8 is a schematic structural view of a housing of an electronic cigarette according to an embodiment of the present invention;

figure 9 is a schematic structural view of a mounting base of an electronic cigarette according to an embodiment of the present invention;

figure 10 is a cross-sectional view of a mounting base of an electronic cigarette according to an embodiment of the invention;

figure 11 is a schematic structural view of a mounting base of an electronic cigarette and a micro-pump according to an embodiment of the present invention;

figure 12 is a schematic structural view of a metal conductive foil of an electronic cigarette according to an embodiment of the invention;

figure 13 is a schematic structural view of an atomizing core assembly of an electronic cigarette according to an embodiment of the present invention;

fig. 14 is a schematic structural diagram of an oil delivery pipe of an electronic cigarette according to an embodiment of the present invention;

figure 15 is a suction flow state diagram of a micro-pump of an electronic cigarette according to an embodiment of the present invention;

figure 16 is a discharge state diagram of a micro-pump of an electronic cigarette according to an embodiment of the present invention;

fig. 17 is a schematic structural view of an oil delivery pipe according to another embodiment of the present invention;

FIG. 18 is a cross-sectional view of the structure of FIG. 17;

FIG. 19 is a cross-sectional view taken along line A-A of FIG. 18;

fig. 20 is a schematic structural view of an oil pipeline according to still another embodiment of the present invention;

fig. 21 is a cross-sectional view of the structure of fig. 20.

Reference numerals:

1000: an electronic cigarette is provided with a plurality of electronic cigarettes,

100: suction nozzle, 101: a smoke outlet hole is arranged on the upper portion of the cigarette holder,

200: tobacco tar bin, 201: flue, 202: oil filler hole, 203: a first oil delivery hole is formed in the first oil delivery hole,

210: flexible oil bladder, 211: reservoir, 212: a flexible film having a first surface and a second surface,

220: spacing connecting groove, 230: first seal groove, 231: a first sealing ring is arranged on the first sealing ring,

240: second seal groove, 241: second seal ring, 250: the plug is sealed, and the sealing head is sealed,

300: housing, 301: a first air inlet hole is formed in the first air inlet hole,

400: mounting base, 410: micropump installation surface, 411: an oil inlet hole is arranged on the oil inlet hole,

412: oil outlet, 413: annular groove, 414: positioning flange, 415: the notch of the lower limiting surface is provided with a notch,

420: atomizing core mounting surface, 421: oil guide hole, 430: positioning boss, 431: a second oil delivery hole is formed in the first oil delivery hole,

440: electrode post hole, 450: second intake holes, 460: oil inlet channel, 470: the oil outlet channel is provided with an oil outlet,

480: third seal groove, 481: bottom seal ring, 490: a third sealing ring is arranged on the second sealing ring,

500: micropump, 501: inlet port, 502: outlet ports, 503: a vibrator which is provided with a vibrator and a vibration generator,

504: pump chamber, 505: metal conductive foil, 5051: the first connecting section is provided with a first connecting section,

5052: second connection segment, 5053: the pressing surface is provided with a plurality of pressing surfaces,

506: electrode column, 600: an atomizing chamber is arranged in the air-conditioning chamber,

700: atomizing core assembly, 710: an oil delivery pipe, 711: a third oil delivery hole is formed in the first oil delivery hole,

712: closed end, 713: opening, 720: oil guiding sleeve, 730: heating wire, 740: a type II electrode column; 750: exhaust port, 760: a semi-permeable membrane.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the applicability of other processes and/or the use of other materials.

An electronic cigarette 1000 according to an embodiment of the present invention is described below with reference to fig. 1 to 21.

As shown in fig. 1, fig. 2, fig. 4, fig. 9 and fig. 13, the electronic cigarette 1000 according to the embodiment of the present invention includes: housing 300, suction nozzle 100, tobacco tar storehouse 200, flexible membrane 212, mounting base 400, micropump 500 and be used for carrying out atomizing process's atomizing core subassembly 700 to the tobacco tar.

Specifically, as shown in fig. 8, both ends of the housing 300 are opened, the side wall of the housing 300 has a first air inlet hole 301, the suction nozzle 100 is provided at one end of the housing 300, and the suction nozzle 100 has a smoke outlet hole 101. It can be understood that, when a user smokes through the smoke outlet 101, external air can enter the housing 300 through the first air inlet holes 301 so that the smoke can be smoothly discharged. Therefore, the phenomenon that the cigarette ends cannot flow out due to overlarge pressure difference between the inside and the outside can be avoided.

As shown in fig. 2 to 7, the smoke bin 200 is disposed in the housing 300, the smoke bin 200 has a smoke channel 201 and an oil storage cavity 211 which are spaced apart from each other, one end of the smoke channel 201 is communicated with the smoke outlet 101, the bottom of the smoke bin 200 has a first oil transfer hole 203 communicated with the oil storage cavity 211, the top of the smoke bin 200 has an oil injection hole 202 communicated with the oil storage cavity 211, one side of the oil storage cavity 211 opposite to the first air intake hole 301 has an open opening, a flexible film 212 closes the open opening, and the flexible film 212 and the oil storage cavity define a flexible oil bag 210.

It can be understood that the flue 201 and the flexible oil bag 210 are arranged on one smoke bin 200, and the flue 201 and the flexible oil bag 210 are isolated, so that the smoke and the flue 201 are separated while the structure is compact, the smoke is further prevented from being sucked into a mouth in the suction process, and the use experience of a user can be improved.

As shown in fig. 2 and 9-11, a mounting base 400 is provided at the other end of the casing 300, one end of the smoke silo 200 is connected with the mounting base 400, the mounting base 400 defines an atomizing chamber 600 communicating with the smoke channel 201 with the casing 300, the suction nozzle 100 and the smoke silo 200, the mounting base 400 has an oil inlet passage 460, one end of the oil inlet passage 460 has a second oil delivery hole 431 opposite to the first oil delivery hole 203, the second oil delivery hole 431 and the first oil delivery hole 203 communicate with the oil inlet passage 460, the other end of the oil inlet passage 460 has an oil inlet hole 411, the mounting base 400 further has an oil outlet passage 470, the oil outlet passage 470 is spaced apart from the oil inlet passage 460, one end of the oil outlet passage 470 has an oil outlet hole 412, the other end of the oil outlet passage 470 has an oil guide hole 421, a second air inlet hole 450 communicating with the atomizing chamber 600 is provided on the bottom wall of the mounting base 400, a micro pump 500 is fixed on the mounting base 400, the micro pump 500 has a fluid inlet port 501 and, the inlet fluid port 501 is communicated with the oil inlet 411, the outlet fluid port 502 is communicated with the oil outlet 412, the atomizing core assembly 700 is arranged in the atomizing chamber 600, and the atomizing core assembly 700 is fixed on the mounting base 400.

It can be understood that, when the external air enters the housing 300 through the first air intake hole 301 to press the flexible film, the flexible film 212 presses the soot in the flexible oil bag 210 to flow out of the flexible oil bag 210 from the first oil delivery hole 203 and enter the oil inlet passage 460 through the second oil delivery hole 431, and enters the pump chamber 504 through the oil inlet hole 411 and the fluid inlet port 501 in sequence under the control of the micro pump 500, and then enters the oil outlet passage 470 through the fluid outlet port 502 and the oil outlet hole 412 and finally is discharged through the oil guide hole 421.

Wherein, oil inlet channel 460 and oil outlet channel 470 all set up on installation base 400, can promote the interval that reduces between micropump 500 and atomizing core subassembly 700 to shorten the length of runner, further promoted the compact of electron cigarette 1000 inner structure, be favorable to reducing the overall dimension of electron cigarette 1000, spare part is less moreover, the manufacturing difficulty, thereby can reduce the processing cost of electron cigarette 1000.

According to the utility model discloses electron cigarette 1000 through all setting up tobacco tar storehouse 200, micropump 500, atomizing core subassembly 700, oil feed way 460 and oil outlet 470 on installation base 400, can promote the compactedness of electron cigarette 1000 inner structure, is favorable to reducing electron cigarette 1000's overall dimension, and spare part is less moreover, the manufacturing degree of difficulty to can reduce electron cigarette 1000's processing cost. In addition, flue 201 and flexible oil pocket 210 arrange to a tobacco tar storehouse 200, and flue 201 and flexible oil pocket 210 keep apart, realize the separation of tobacco tar and flue 201, further prevent in the suction process tobacco tar by the suction nozzle to can promote user's use experience.

According to some embodiments of the present invention, as shown in fig. 2 and 4, one end of the tobacco tar bin 200 close to the suction nozzle 100 has a first sealing groove 230, a first sealing ring 231 is disposed in the first sealing groove 230, and the tobacco tar bin 200 is connected to the suction nozzle 100 by the first sealing ring 231. Thereby, a sealing between the smoke bin 200 and the suction nozzle 100 can be realized, thereby preventing the air flow entering the housing 300 from the first air inlet hole 301 from leaking towards the suction nozzle 100, and further ensuring that the user inhales smoke from the smoke outlet hole 101.

According to some embodiments of the present invention, as shown in fig. 2 and 4, one end of the tobacco tar bin 200 close to the mounting base 400 has a second sealing groove 240, a second sealing ring 241 is arranged in the second sealing groove 240, and the tobacco tar bin 200 is connected with the housing 300 through the second sealing ring 241. It can be understood that the first air inlet hole 301 is communicated with the outside air and the tobacco tar bin 200 to form a first air passage, the micro pump 500 is communicated with the flexible oil bag 210 and the atomizing core assembly 700, the second air inlet hole 450 is communicated with the atomizing chamber 600, the flue 201 and the smoke outlet 101 to form a second air passage, the second sealing ring 241 isolates the first air passage from the second air passage, the first air passage always keeps the balance between the air pressure in the tobacco tar bin 200 and the air pressure in the outside air, so as to ensure that when the electronic cigarette 1000 is in use, the tobacco tar can continuously and stably enter the pump cavity 504, when the electronic cigarette 1000 is not used, oil leakage cannot be formed due to the change of the external air pressure, and during the suction process, tobacco tar in the flexible oil bag 210 is pressure-fed to the atomizing core assembly 700 through the micro pump 500 for atomization, negative pressure is formed in the atomizing chamber 600, air enters the atomizing chamber 600 under the action of the negative pressure, and aerosol generated by tobacco tar atomization is sent into the port along the second air passage.

According to some embodiments of the present invention, as shown in fig. 5 and 9, the top wall of the mounting base 400 is provided with a positioning boss 430, and the bottom wall of the tar bin 200 is provided with a limiting connection groove 220 corresponding to the positioning boss 430. It can be understood that the positioning bosses 430 and the limiting connection grooves 220 have a limiting effect on the connection between the mounting base 400 and the tobacco tar bin 200, so that not only the assembly efficiency of the mounting base 400 and the tobacco tar bin 200 can be improved, but also the mounting accuracy of the mounting base 400 and the tobacco tar bin 200 can be improved.

According to some embodiments of the present invention, as shown in fig. 6 and 7, when the smoke is not filled in the flexible oil bag 210, the flexible film 212 is attached to the bottom wall of the oil storage cavity 211, and when the smoke is filled in the flexible oil bag 210, the flexible oil bag 210 is stopped against the inner wall of the housing 300. It can be understood that, flexible oil bag 210 is under the oil-free state, flexible membrane 212 and the laminating of the diapire of oil storage chamber 211, when full of oil in the flexible oil bag 210, flexible membrane 212 is under the extrusion of tobacco tar, pile up towards the one side of keeping away from oil storage chamber 211 diapire, it is spacing through the shell 300 with the shrink-fit of tobacco tar storehouse 200, in the use of electron cigarette 1000, along with the continuous consumption of tobacco tar in flexible oil bag 210, in order to balance the ambient gas pressure, flexible membrane 212 can resume gradually the initial condition when there is no oil in flexible oil bag 210, namely with the laminating of the diapire of oil storage chamber 211, no residual of tobacco tar in the flexible oil bag 210 is guaranteed.

According to some embodiments of the present invention, as shown in fig. 1 and 2, the electronic cigarette 1000 further includes a sealing plug 250, and the sealing plug 250 is detachably installed in the oil filler hole 202. It is understood that when it is desired to replenish the flexible oil bladder 210 with oil, the sealing plug 250 may be removed from the oil hole 202; when the smoke is completely supplemented, the sealing plug 250 can be installed in the oil filling hole 202, so that on one hand, the smoke is prevented from leaking out of the oil filling hole 202, and on the other hand, the air pressure in the flexible oil bag 210 can be maintained.

According to some embodiments of the present invention, as shown in fig. 1 and 2, the electronic cigarette 1000 further includes a third sealing ring 490, and the first oil hole 203 and the second oil hole 431 are hermetically communicated through the third sealing ring 490. Accordingly, when the oil smoke flows from the first oil feed hole 203 to the second oil feed hole 431, leakage does not occur, and the reliability of the process of transferring the oil smoke from the first oil feed hole 203 to the second oil feed hole 431 can be ensured.

According to some embodiments of the present invention, as shown in fig. 2, fig. 9, fig. 11 and fig. 12, two spaced electrodes are disposed on the side wall of the micro pump 500, two spaced electrode post holes 440 are disposed on the bottom wall of the mounting base 400, an electrode post 506 is disposed in each electrode post hole 440, the electronic cigarette 1000 further includes two metal conductive foils 505, the two metal conductive foils 505 are matched with the two electrodes and the two electrode posts 506 in a one-to-one manner, and the metal conductive foils 505 include: a first connecting section 5051 and a second connecting section 5052, one side of the first connecting section 5051 abuts against the electrode, the other side of the first connecting section 5051 abuts against the inner wall of the housing 300, the second connecting section 5052 is connected to the first connecting section 5051, one side of the second connecting section 5052 abuts against the electrode column 506, and the extending direction of the second connecting section 5052 is perpendicular to the extending direction of the first connecting section 5051.

It can be understood that when the metal conductive foil 505 for connecting the electrodes of the micro-pump 500 and the electrode posts 506 is installed, the metal conductive foil 505 can be pressed to the positions contacting with the electrodes at the two ends of the micro-pump 500 by the way that the housing 300 presses the metal conductive foil 505 through the corresponding position relationship between the metal conductive foil 505 and the housing 300, so that welding is not needed any more, and the installation is simpler. In one example of the present invention, the metal conductive foil 505 is formed in an L shape.

In some embodiments of the present invention, as shown in fig. 12, the end of the first connection section 5051 remote from the second connection section 5052 has an arcuate section with a rest surface 5053 that projects towards the electrode. It will be appreciated that the abutment surfaces 5053 facilitate the connection between the mounting base 400 and the housing 300, while facilitating the housing 300 in pressing the metal conductive foils 505 against the two terminal electrodes of the micro-pump 500.

According to some embodiments of the present invention, as shown in fig. 13 and 14, the atomizing core assembly 700 includes: the oil delivery pipe 710, the oil guide sleeve 720 and the heating wire 730, one end of the oil delivery pipe 710 is provided with a third oil delivery hole 711 communicated with the oil guide hole 421, the other end of the oil delivery pipe 710 is closed, the peripheral wall of the oil delivery pipe 710 is provided with an opening 713 penetrating through the oil delivery pipe 710 in the thickness direction of the oil delivery pipe 710, the opening 713 extends along the axial direction of the oil delivery pipe 710, the oil guide sleeve 720 is sleeved on the oil delivery pipe 710, the oil guide sleeve 720 wraps the opening 713, the heating wire 730 is wound on the peripheral wall of the oil guide sleeve 720, the openings 713 are multiple, and the multiple openings 713 are arranged at intervals in the circumferential direction of the oil delivery pipe 710.

In the related technology, the electronic cigarette adopts a mode that the oil guide cotton core is wound with the metal heating wire, the oil guide cotton core is wound with the metal heating wire type atomizer, the essence of passive oil guide cannot be got rid of, when the electronic cigarette is matched with a micropump for use, the oil storage and oil guide characteristics of the cotton core per se reduce the reaction speed of an oil supply control system, so that the oil supply control system is difficult to accurately adjust and control the oil supply amount and the oil supply rate to achieve the effect of immediate oil supply and consumption. According to the utility model discloses an electron cigarette makes fluid distribute and heat distribution phase-match through defeated oil pipe 710, solves electron cigarette oil leak and dry combustion method problem.

And in this application, atomizing core subassembly 700 reaction is rapid, uses with micropump 500 cooperation, and the tobacco tar can reach the region that generates heat rapidly, can give full play to micropump 500's pump oil pressure and to the regulation and the control of fuel feeding volume and fuel feeding rate, introduces the feedback mechanism, realizes tobacco tar power consumption dynamic balance.

As shown in fig. 17-19, in some embodiments of the present invention, the opening 713 of the oil pipe 710 is slit-shaped, the slit width is 0.01-2.1mm,

the soot flows into the oil pipe 710, and when encountering the slit, the oil fills the slit first under the action of the contact surface tension. The pressure required for the oil to continuously flow out of the slit is delta p₁The pressure required to continue the forward flow without flowing out of the slit is Δ p₂. Wherein:

in general

In general

λ₁Is the coefficient of on-way resistance of the slit, e isDepth of slit, h is slit width, b slit length, λ₂D is the hydraulic diameter of the oil pipeline, rho smoke density, v is the smoke flow rate and Re ReLo number.

When Δ p₁＞Δp₂During the process, the flow resistance of the outflow slit is larger than the resistance of the part of the oil delivery pipe 710 where the outflow slit is located, the tobacco tar can flow to the closed end of the oil delivery pipe along the oil delivery pipe 710 until the flow reaches the edge of the slit close to the closed end of the oil delivery pipe 710, the fluid can compress the air between the edge of the slit close to the closed end of the oil delivery pipe 710 and the closed end of the oil delivery pipe 710, the air pressure in the space continues to rise, the tobacco tar is forced to flow out from the slit, at the moment, the flow rate of the tobacco tar except for one layer of extremely thin tobacco tar in contact with the inner wall of the slit is lower, the flow rate distribution in the slit. When the heater 730 stop work, the micropump 500 stops the oil supply immediately, the temperature of the heater 730 cannot drop immediately, and the heater 730 has the problem of instant dry burning.

When the width of the slit is too small or the depth of the slit is too large, too little heat flows out of the slit, and the heating wire is directly dried.

Based on the above discussion, it is required: the closed end of the oil delivery pipe 710 is at a distance from the opening to the closed end of the oil delivery pipe, and the distance is 0-50 mm; the width of the slit is between 0.01mm and 2.1mm, the depth of the slit is between 0.05mm and 1.7mm, the length of the slit is more than 0.1mm, and the length of the slit is less than that of the oil delivery pipe; the inner diameter/hydraulic diameter of the oil transportation pipe is between 0.1mm and 7 mm.

In some embodiments of the present invention, the openings 713 are one or more openings, and the plurality of openings 713 are disposed at intervals in the circumferential direction of the oil pipeline 710.

The opening 713 is in a slit shape, the winding pitch of the spiral heating wire 730 changes according to the distribution density of the slits, the winding pitch of the heating wire 730 is small at a position where the slits are densely distributed, namely, the heating wire is densely wound, and the winding pitch of the heating wire is large at a position where the slits are sparsely distributed, namely, the heating wire is sparsely wound.

The area with more distributed slit-shaped openings 713 has larger smoke oil flow, more heat is needed to atomize the smoke oil, insufficient combustion is avoided, and the density distribution of the heating wires is oppositely matched with the slit distribution.

As shown in fig. 20 and 21, according to some embodiments of the present invention, the closed end of the oil pipe 710 is provided with a gas outlet 750 communicating with the opening 713, the end surface of the oil pipe 710 facing the gas outlet 750 is provided with a semi-permeable membrane 760, the semi-permeable membrane 760 covers the gas outlet 750, and the semi-permeable membrane 760 allows gas to pass but does not allow liquid to pass. Wherein, the shape of semi-permeable membrane 760 is the same with the cross-sectional shape of oil pipeline, and the periphery of semi-permeable membrane 760 links to each other with the periphery of oil pipeline terminal surface.

That is, the closed end of the oil delivery pipe 710 is provided with a plurality of gas discharge ports 750 communicating with the slit-shaped opening 713, the closed end of the oil delivery pipe is provided with a semi-permeable membrane 760, the outer contour of the semi-permeable membrane 760 is fixed to the oil delivery pipe, the middle region is in close contact with the oil delivery pipe, and gas but liquid can not pass through the semi-permeable membrane 760.

The semi-permeable membrane 760 covers all the air vents 750, the air between the edge of the opening 713, which is close to the closed end of the oil delivery pipe, and the closed end of the oil delivery pipe can be discharged through the semi-permeable membrane 760, the whole oil delivery pipe 710 is filled with the tobacco tar, the semi-permeable membrane 760 can elastically deform under the action of pressure, the semi-permeable membrane 760 has elastic potential energy storage, when the heating wire 730 stops working, the micro-pump 500 immediately stops oil supply, the semi-permeable membrane 760 recovers deformation and releases the elastic potential energy, and part of the tobacco tar can flow out through the opening 713 and is filled around the.

Specifically, the utility model discloses a theory of operation is: the flexible oil bag 210 is filled with oil through the oil filling hole 202, after the oil is filled, the oil filling hole 202 is sealed by the sealing plug 250, and the oil filling process is to ensure that the pump cavity 504 of the micro-pump 500 is filled with the tobacco tar, so that the micro-pump 500 can continuously and stably pump the tobacco tar. When the oil-smoke atomizing device works, smoke oil in the flexible oil bag 210 enters the pump cavity 504 through the first oil conveying hole 203, the second oil conveying hole 431, the oil inlet passage 460, the oil inlet hole 411 and the fluid inlet opening 501, and then passes through the fluid outlet opening 502 of the micro pump 500, the oil outlet 412, the oil outlet passage 470, the oil guide hole 421, the third oil conveying hole 711, the long circular hole 713 on the oil conveying pipe 710 and the oil guide sleeve 720 to reach a heating area of the heating wire 730 to generate heat and atomize. During suction, external air enters the atomizing chamber 700 through the second air inlet hole 450 and the air inlet pipe 451, aerosol formed by atomizing tobacco tar in the atomizing chamber 700 is blown to the flue 201 and enters the mouth through the smoke outlet hole 101. It should be noted that when the smoke oil enters the pump chamber 504 from the inlet mass port 501, the vibrator 503 protrudes outward, and when the smoke oil is discharged from the outlet mass port 502 out of the pump chamber 504, the vibrator 503 is recessed inward.

An electronic cigarette 1000 according to one embodiment of the invention is described below with reference to fig. 1-16. It is to be understood that the following description is exemplary only, and is intended to be illustrative of the present invention and is not to be construed as limiting the invention.

The electronic cigarette 1000 comprises a suction nozzle 100, a tobacco tar bin 200, a shell 300 and a mounting base 400, wherein the tobacco tar bin 200 is matched with the atomization chamber 600 to form the atomization chamber, and a flue 201 and an oil storage cavity 211 are integrally formed in the tobacco tar bin 200.

First sealing groove 230 is opened on the upper portion of tobacco tar storehouse 200, establish first sealing washer 231 in the first sealing groove 230, tobacco tar storehouse 200 and suction nozzle 100 tight fit joint and seal through first sealing washer 231, second sealing groove 240 is opened to tobacco tar storehouse 200 lower part, establishes second sealing washer 241 in the sealed groove 240 of second, and tobacco tar storehouse 200 and shell 300 cover are closed to it is sealed through second sealing washer 241.

The flexible membrane 212 is attached to the outside of the open end face of the oil storage cavity 211, the flexible membrane 212 can be matched with the oil storage cavity 211 through welding, pressing or other technical means to form the flexible oil bag 210, the bottom of the oil storage cavity 211 is provided with a limit connecting groove 220 and a first oil transmission hole 203, the first oil transmission hole 203 is communicated with the flexible oil bag 210 and the limit connecting groove 220, a set boss 430 and a second oil transmission hole 431 are arranged on the mounting base 400, the set boss 430 is in adaptive clamping with the limit connecting groove 420, and a third sealing ring 490 with a hole is arranged between the set boss 430 and the limit connecting groove 420, so that the second oil transmission hole 431 is in sealed communication with the first oil transmission hole 203 through the third sealing ring 490 and is communicated with the.

The first air inlet hole 301 is formed in the shell 300, the first air inlet hole 301 can be formed by a single hole or multiple holes, the first air inlet hole 301 is communicated with external air and the smoke oil bin 200 to form a first air passage, the lower portion of the installation base 400 is provided with a third sealing groove 480, a bottom sealing ring 481 is arranged in the third sealing groove 480, and the lower portion of the shell 300 is matched and clamped with the lower portion of the installation base 400 and is sealed through the bottom sealing ring 481.

Micropump 500 is installed on one side on installation base 400, and atomizing core subassembly 700 is installed to one side, and lower bottom surface is opened second inlet port 450 and electrode post hole 440, establishes intake pipe 451 in the second inlet port 450, and intake pipe 451 is spacing in the lower part, and upper portion extends to atomizer chamber 600, prevents that tobacco tar or condensate from getting into the battery pack who uses with electron cigarette 1000 cooperation through second inlet port 450, damages electronic component.

Micropump 500 intercommunication flexible oil pocket 210 and atomizing core subassembly 700, second inlet port 450 intercommunication atomizing chamber 600, flue 201 and outlet flue 101, constitute the second air flue, second sealing washer 241 is isolated with first air flue and second air flue, first air flue is keeping the equilibrium of atmospheric pressure and outside air pressure in the tobacco tar storehouse 200 all the time, guarantee electronic cigarette 1000 when using, tobacco tar can stably get into the pump chamber in succession, electronic cigarette 1000 is when not using, can not form the oil leak because of outside atmospheric pressure changes, in the suction process, tobacco tar in the flexible oil pocket 210 is sent to atomizing core subassembly 700 through micropump 500 pressure and is generated heat the atomizing, form the negative pressure in the atomizing chamber 600, the air gets into atomizing chamber 600 under the negative pressure effect, send the aerosol that the tobacco tar atomizing produced into along the second air flue into the mouth.

Specifically, as shown in fig. 4 to 7, a flexible film 212 is attached to the entire open surface of the oil storage cavity 211, the flexible film 212 and the oil storage cavity 211 cooperate to form a flexible oil bag 210, an oil filling hole 202, a limiting connection groove 220 and a first oil conveying hole 203 are formed in the upper non-open surface of the oil storage cavity 211, a sealing plug 250 is arranged in the cooperating oil filling hole 202, and the first oil conveying hole 203 communicates the flexible oil bag 210 and the limiting connection groove 220.

When the flexible oil bag 210 is in an oil-free state, the flexible film 212 is attached to the bottom wall of the oil storage cavity 211, and when the flexible oil bag 210 is full of oil, the flexible film 212 is extruded by tobacco tar and stacked in a direction away from the bottom wall of the oil storage cavity 211, the flexible film is limited by the shell 300 sleeved with the tobacco tar bin 200, and the oil filling hole 202 is sealed by the sealing plug 250 after the flexible oil bag is full of oil. In the use of electron cigarette 1000, along with the continuous consumption of tobacco tar in flexible oil pocket 210, in order to balance external gas pressure, initial state when flexible membrane 212 can reply oil free gradually in flexible oil pocket 210, laminate with oil storage cavity 211 diapire promptly, guarantee that no tobacco tar remains in the flexible oil pocket 210.

As shown in fig. 9 and 10, the mounting base 400 has a micro-pump mounting surface 410 on one side, an atomizing core mounting surface 420 on one side, a positioning boss 430 and a second oil transfer hole 431 on one side, four electrode post holes 440 and a second air inlet hole 450 on one side, an oil inlet passage 460 and an oil outlet passage 470 inside, a positioning boss 430 and a limiting connecting groove 220 are fittingly engaged with each other, a third sealing ring 490 with a hole is arranged between the positioning boss 430 and the limiting connecting groove, and the second oil transfer hole 431 is in sealed communication with the first oil transfer hole 203 and further communicated to the flexible oil bag 210.

An oil inlet hole 411, an oil outlet hole 412 and a positioning flange 414 are arranged on the micropump mounting surface 410, a positioning hole is formed in the micropump 500 corresponding to the positioning flange 414 and is matched and clamped with the micropump mounting surface 410, a fluid inlet 501 of the micropump 500 is communicated with the oil inlet hole 411, a second oil conveying hole 431 is communicated with the oil inlet hole 411 through an oil inlet passage 460, a fluid outlet 502 of the micropump 500 is communicated with the oil outlet hole 412, an oil guide hole 421 is formed in the atomizing core mounting surface 420, the oil guide hole 421 is communicated with the oil outlet hole 412 through an oil outlet passage 470, concentric annular grooves 413 are formed in the outer edges of the oil inlet hole 411 and the oil outlet hole 412 respectively, sealing rings are arranged in the grooves, and can isolate the oil inlet hole 411 from the oil outlet.

The two-end electrodes of the micro-pump 500 are respectively led to the lower limiting surface notch 415 of the micro-pump mounting surface 410 of the mounting base 400 through 2 pieces of L-shaped metal conductive foils 505. After the micro-pump 500 is mounted on the micro-pump mounting surface 410, the second connection sections 5052 of the 2 pieces of L-shaped metal conductive foils 505 are respectively inserted into the lower limiting surface notches 415 of the micro-pump mounting surface 410, the first connection sections 5051 are close to the two end electrodes of the micro-pump 500, and when the electronic cigarette 1000 is assembled, the housing 300 presses the first connection sections 5051 against the two end electrodes of the micro-pump 500 to form electrical connection.

The contact point between the first connection section 5051 of the 2 pieces of "L" shaped metal conductive foil 505 and the electrode of the micro-pump 500 is provided with an arc-shaped pressing surface 5053, which facilitates the connection between the mounting base 400 and the housing 300, and facilitates the housing 300 to press the 2 pieces of "L" shaped metal conductive foil 505 against the electrodes at the two ends of the micro-pump 500.

The atomizing core assembly 700 is composed of an oil delivery pipe 710, an oil guide sleeve 720 and a heating wire 730, the oil delivery pipe 710 can be a metal pipe, a hard heat-resistant plastic pipe or other heat-resistant hard material pipes, the oil guide sleeve 720 is a glass fiber braided pipe, an oil guide cotton yarn braided pipe or other heat-resistant material pipes with oil guide and penetration characteristics, the oil guide sleeve 720 is tightly sleeved on the outer edge of the oil delivery pipe 710, the heating wire 730 is attached and wound on the outer edge of the oil guide sleeve 720, one end of the oil delivery pipe 710 is provided with a third oil delivery hole 711, the third oil delivery hole 711 is communicated with the oil guide hole 421 in a sealing manner, the other end of the oil delivery pipe 710 is blocked, and a plurality of openings 713 are formed in a winding area corresponding to the heating wire 730 on the wall surface of the.

Electrode columns are hermetically installed in the electrode column holes 440 respectively, wherein 2I-shaped electrode columns 506 are respectively pressed against the second connecting section 5052 of the 2L-shaped metal conductive foils 505 to form electrical connection, and the other 2 II-shaped electrode columns 760 are respectively electrically connected with electrodes at two ends of the heating wire 730 of the atomizing core assembly 700.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An electronic cigarette, comprising:

the air conditioner comprises a shell, a first air inlet and a second air inlet, wherein two ends of the shell are open, and the side wall of the shell is provided with a first air inlet;

the suction nozzle is arranged at one end of the shell and is provided with a smoke outlet;

the smoke oil bin is arranged in the shell and provided with a flue and an oil storage cavity which are spaced, one end of the flue is communicated with the smoke outlet hole, the bottom of the smoke oil bin is provided with a first oil conveying hole communicated with the oil storage cavity, the top of the smoke oil bin is provided with an oil filling hole communicated with the oil storage cavity, and one side of the oil storage cavity, which is opposite to the first air inlet hole, is provided with an open hole;

the flexible membrane blocks the open opening, and a flexible oil bag is defined by the flexible membrane and the oil storage cavity;

the installation base is arranged at the other end of the shell, one end of the smoke bin is connected with the installation base, the shell, the suction nozzle and the smoke bin define an atomization chamber communicated with the flue, the installation base is provided with an oil inlet channel, one end of the oil inlet channel is provided with a second oil conveying hole opposite to the first oil conveying hole, the second oil conveying hole is communicated with the first oil conveying hole, the other end of the oil inlet channel is provided with an oil inlet hole, the installation base is further provided with an oil outlet channel, the oil outlet channel is spaced from the oil inlet channel, one end of the oil outlet channel is provided with an oil outlet hole, the other end of the oil outlet channel is provided with an oil guide hole, and a second air inlet hole communicated with the atomization chamber is formed in the bottom wall of the installation base;

the micropump is fixed on the mounting base and provided with a fluid inlet and a fluid outlet which are communicated with a pump cavity, the fluid inlet is communicated with the oil inlet, and the fluid outlet is communicated with the oil outlet;

an atomizing core subassembly for carrying out atomization treatment to the tobacco tar, atomizing core subassembly is established in the atomizer chamber, just atomizing core subassembly is fixed on the installation base.

2. The electronic cigarette of claim 1, wherein the flexible membrane is attached to a bottom wall of the oil storage chamber when the flexible oil pocket is not filled with the tobacco tar, and the flexible oil pocket is stopped against an inner wall of the housing when the flexible oil pocket is filled with the tobacco tar.

3. The electronic cigarette of claim 1, wherein the side wall of the micro-pump is provided with two spaced electrodes, the bottom wall of the mounting base is provided with two spaced electrode post holes, each electrode post hole is provided with an electrode post, the electronic cigarette further comprises two metal conductive foils, the two metal conductive foils are matched with the two electrodes and the two electrode posts in a one-to-one correspondence, and the metal conductive foils comprise:

one side of the first connecting section is abutted against the electrode, and the other side of the first connecting section is abutted against the inner wall of the shell;

the second connecting section is connected with the first connecting section, one side of the second connecting section is abutted against the electrode column, and the extending direction of the second connecting section is perpendicular to that of the first connecting section.

4. The electronic cigarette of claim 1, wherein the atomizing core assembly comprises:

the oil delivery pipe is provided with a third oil delivery hole communicated with the oil guide hole at one end, the other end of the oil delivery pipe is closed, an opening penetrating through the oil delivery pipe in the thickness direction of the oil delivery pipe is formed in the peripheral wall of the oil delivery pipe, and the opening extends along the axial direction of the oil delivery pipe;

the oil guide sleeve is sleeved on the oil conveying pipe and wraps the opening;

the heating wire is wound on the peripheral wall of the oil guide sleeve.

5. The electronic cigarette according to claim 4, wherein the opening on the oil delivery pipe is slit-shaped, and the slit width is 0.01-2.1 mm.

6. The electronic cigarette according to claim 4, wherein the opening is one or more, and a plurality of openings are provided at intervals in a circumferential direction of the oil delivery pipe.

7. The electronic cigarette of claim 4, wherein the closed end of the oil delivery tube is provided with an air vent communicating with the opening.

8. The electronic cigarette of claim 7, wherein the end face of the oil delivery tube facing the air outlet is provided with a semi-permeable membrane covering the air outlet, and wherein the semi-permeable membrane allows gas to pass but not liquid to pass.

9. The electronic cigarette according to claim 8, wherein the exhaust port is plural, the shape of the semi-permeable membrane is the same as the cross-sectional shape of the oil delivery pipe, and the outer peripheral edge of the semi-permeable membrane is connected to the outer peripheral edge of the end face of the oil delivery pipe.