CN111700311A

CN111700311A - Atomization device capable of improving atomization effect and preventing liquid leakage

Info

Publication number: CN111700311A
Application number: CN202010675784.3A
Authority: CN
Inventors: 肖鑫
Original assignee: Dongguan Telakang Electronic Technology Co ltd
Current assignee: Dongguan Telakang Electronic Technology Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2020-09-25

Abstract

The invention discloses an atomization device capable of improving atomization effect and preventing liquid leakage, which comprises a liquid storage cavity, an atomization cup, an air inlet and an air outlet pipe, wherein: the atomizing cup is provided with an upper end opening, the air outlet pipe extends into the atomizing cup from the upper end opening and keeps a gap with the inner bottom surface of the atomizing cup, and an air inlet channel is formed between the periphery of the air outlet pipe and the inner wall surface of the atomizing cup; the liquid in the liquid storage cavity enters the atomizing cup to be heated and atomized into an atomized substance, and the external gas enters the atomizing cup through the gas inlet, the upper end opening of the atomizing cup and the gas inlet channel in sequence, is mixed with the atomized substance and is discharged from the gas outlet pipe; therefore, the atomizing cup can contain and adsorb redundant exuded liquid, and the phenomenon that the liquid is sucked into the oral cavity of a user or overflows out of the electronic cigarette is avoided because the air flow does not form the situation of up-down through convection; meanwhile, due to the air inlet mode and the air flow direction, air is more fully contacted and mixed with the atomized matters, the atomized matters are taken away more timely, and the atomization efficiency and the atomization effect are effectively improved.

Description

Atomization device capable of improving atomization effect and preventing liquid leakage

Technical Field

The invention relates to the technical field of atomization devices, in particular to an atomization device which improves atomization effect and prevents liquid leakage, and is mainly but not limited to be applied to electronic cigarettes, medical atomization apparatuses and the like.

Background

There is an atomizing device, which atomizes liquid by heating with a heating device to form vapor or smoke for human inhalation, and is widely used in electronic cigarettes, medical atomizing devices, and other products.

Taking an electronic cigarette as an example, the electronic cigarette is mainly used for quitting smoking and replacing cigarettes as a substitute of the cigarettes, and is more and more concerned and favored by people due to the advantages of safe use, convenience, health, environmental protection and the like. Electronic cigarettes in the prior art each include an atomizer, and the atomizer generally has an oil storage bin, an oil absorption element for absorbing the smoke oil in the oil storage bin, and a heating element in contact with the oil absorption element, and the heating element is used for heating and atomizing the smoke oil absorbed in the oil absorption element to generate smoke. As shown in fig. 13a, in the conventional technology, a heating filament is generally wound around an oil guide material to form an atomizing core, and gas passes through the atomizing core from the upper side to the lower side, for example: the lower part is used for air inlet, and the upper part is used for air outlet after passing through the atomizing core, so that when the electronic cigarette is actually used, the overflow phenomenon is easy to occur when redundant liquid seeps out, if the overflow is sucked into the oral cavity of a user, the experience feeling is influenced, and if the overflow overflows out of the electronic cigarette, the appearance feeling is influenced; as shown in fig. 13b, there are also some of the above-mentioned problems that the heat generating element is disposed inside the oil guiding material by using the annular oil guiding material, the oil guiding material absorbs oil from the outside and is heated and atomized by the heating element inside, and the gas enters from below, passes through the internal passage of the heating element and is discharged from above.

Therefore, a new technical solution needs to be developed to solve the above problems.

Disclosure of Invention

In view of the above, the present invention is directed to the drawbacks of the prior art, and a primary object of the present invention is to provide an atomization device with improved atomization effect and liquid leakage prevention, wherein an atomizing cup of the atomization device can accommodate and adsorb excessive exuded liquid, and the liquid is prevented from being inhaled into the oral cavity of a user or overflowing out of an electronic cigarette due to no up-down through convection current; meanwhile, due to the air inlet mode and the air flow direction, air is more fully contacted and mixed with the atomized matters, the atomized matters are taken away more timely, and the atomization efficiency and the atomization effect are effectively improved.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an improve atomizing effect and atomizing device of prevention of liquid leakage, includes stock solution chamber, atomizing cup, air inlet and outlet duct, wherein:

the top or the side surface of the atomizing cup is provided with an air inlet channel, and the air outlet pipe is communicated with the top of the atomizing cup; an atomization cavity in the atomization cup is positioned below the air inlet channel and the air outlet pipe;

the liquid in the liquid storage cavity enters the atomizing cup to be heated and atomized into an atomized substance, and the external gas enters the atomizing cup through the air inlet and the air inlet channel in sequence, is mixed with the atomized substance and is discharged from the air outlet pipe.

As a preferable scheme, the atomizing cup is provided with an upper end opening, the air outlet pipe extends into the atomizing cup from the upper end opening and keeps a gap with the inner bottom surface of the atomizing cup, and the air inlet channel is formed between the periphery of the air outlet pipe and the inner wall surface of the atomizing cup; the outside air enters the atomizing cup through the air inlet, the upper end opening of the atomizing cup and the air inlet channel in sequence.

As a preferable scheme, the atomizing cup is provided with a through hole for liquid to enter the atomizing cup from the liquid storage cavity, the atomizing cup extends to form a preheating part, and a preheating channel communicated with the through hole is formed in the preheating part.

As a preferred scheme, the atomizing cup is a heating cup body.

As a preferred scheme, an oil locking plate is arranged in the atomizing cup, gaps are respectively kept between the upper end and the lower end of the oil locking plate and the inner bottom surface of the air outlet pipe and the atomizing cup, and the oil locking plate is provided with a plurality of hollow-out positions for communicating the gaps between the upper end and the lower end of the oil locking plate.

As a preferred scheme, the oil locking plate is a heat conducting plate;

or the oil locking plate is provided with a heating resistor, and an additional oil guide part can be selectively arranged above the oil locking plate.

As a preferred scheme, the wall body of the atomizing cup is provided with a heat conduction layer, an insulating layer, a heating layer and a heat insulation layer which are sequentially arranged from inside to outside;

or a heating element is arranged on the inner side of the atomizing cup;

or a heating element is arranged on the outer side of the atomizing cup.

As a preferred scheme, a buffer bin is arranged between the liquid storage cavity and the atomizing cup; the liquid storage cavity is provided with a liquid outlet, a liquid conveying piece is arranged at the liquid outlet, the liquid conveying piece penetrates through the buffer bin to convey liquid into the atomizing cup, and the buffer bin is arranged corresponding to the liquid outlet and used for receiving seepage of the liquid storage cavity.

As a preferable scheme, the liquid conveying piece extends out of a yielding port of the buffer bin, a convex hull is arranged on the inner side of the top of the buffer bin in a downward protruding mode, and the yielding port is arranged at the bottom of the convex hull so that a liquid containing annular groove arranged around the convex hull is formed at the top of the buffer bin; when the atomization device is horizontally placed or obliquely placed or inversely placed, the seepage of the liquid storage cavity is positioned in the liquid containing annular groove and limited to the peripheral side of the convex hull.

As a preferred scheme, the liquid in the liquid storage cavity enters the atomizing cup through the immersion type oil guide piece, or the liquid in the liquid storage cavity enters the atomizing cup through an injection mode.

Preferably, the cross-sectional area of the air inlet channel is smaller than the cross-sectional area below the corresponding air outlet pipe in the atomizing cup.

Compared with the prior art, the atomizing cup has obvious advantages and beneficial effects, and particularly, according to the technical scheme, the atomizing cup is designed to be provided with an upper end opening, the air outlet pipe extends into the atomizing cup from the upper end opening and keeps a gap with the inner bottom surface of the atomizing cup, an air inlet channel is formed between the periphery of the air outlet pipe and the inner wall surface of the atomizing cup, liquid in the liquid storage cavity enters the atomizing cup and is heated and atomized into an atomized substance, and external gas enters the atomizing cup through the air inlet and the air inlet channel in sequence, is mixed with the atomized substance and is discharged from the air outlet pipe; therefore, the atomizing cup can contain and adsorb redundant exuded liquid, and the phenomenon that the liquid is sucked into the oral cavity of a user or overflows out of the electronic cigarette is avoided because the air flow does not form the situation of up-down through convection; meanwhile, due to the air inlet mode and the airflow direction, the air is more fully contacted and mixed with the atomized substance, the atomized substance is taken away more timely, and the atomization efficiency and the atomization effect are effectively improved;

secondly, the atomizing cup is used as a heating cup body, under the condition of the same volume, the heating area is increased by more than 300% -400%, the heating is more uniform, the atomization is more uniform and more sufficient, the atomization effect is greatly improved, the phenomena of overhigh smoke temperature and nozzle burning are avoided, and the crackling sound caused by liquid vaporization due to uneven temperature during atomization is also avoided; furthermore, the atomizing cup 2 is extended with a preheating part, and the fluidity of the tobacco tar is effectively enhanced by utilizing a preheating channel in the preheating part.

Moreover, the buffer bin is arranged between the liquid storage cavity and the atomizing cup, and the buffer bin is used for bearing seepage liquid in the liquid storage cavity, so that the liquid is prevented from seeping out of the product, and the liquid leakage phenomenon is effectively avoided; furthermore, a convex hull is convexly arranged on the inner side of the top of the buffer bin downwards, and the abdication port is arranged at the bottom of the convex hull so as to form a liquid containing annular groove arranged around the convex hull on the top of the buffer bin; no matter the atomizing device is horizontally placed or obliquely placed or inversely placed, the seepage of the liquid storage cavity is positioned in the liquid containing annular groove and limited by the peripheral side of the convex hull, the phenomenon that the seepage exceeds the convex hull and is soaked to the yielding opening can not occur, and the anti-seepage performance of the buffer bin is improved.

And, through be provided with the lock oil board in the atomizing cup, can effectively control the thickness of leading oily spare, avoid leading oily spare and 4 contacts of outlet duct and cause the excessive outflow, and, the diapire of lock oil board and atomizing cup keeps enough little distance, can realize capillary phenomenon, reaches the lock oily purpose. Furthermore, the oil locking plate can be a heat conducting plate which is made of heat conducting materials, so that the heat of the atomized matter can be absorbed, and the nozzle is prevented from being scalded; the oil locking plate can also be set as a heating resistor or the heating resistor is arranged on the oil locking plate, so that the oil locking plate not only has the oil locking function, but also has the heating function, and the heating power and the heating area are increased; thereby, the atomization speed is increased.

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a perspective view of the overall structure of an embodiment of the present invention;

FIG. 2 is an exploded view of a first embodiment of the present invention;

FIG. 3 is a cross-sectional view of a first embodiment of the present invention;

FIG. 4 is an enlarged fragmentary view of FIG. 3;

FIG. 5 is a sectional view of an atomizing cup according to a first embodiment of the present invention;

FIG. 6 is a cross-sectional view of a second embodiment of the present invention;

FIG. 7 is a view showing a state of the second embodiment of the present invention in a flat-laid use;

FIG. 8 is a diagram showing a state of the second embodiment of the present invention in a reversed use;

FIG. 9 is a partial cross-sectional structural view of a third embodiment of the present invention;

FIG. 10 is a partial cross-sectional structural view of a fourth embodiment of the present invention;

FIG. 11 is a partial cross-sectional structural view of a fifth embodiment of the present invention;

FIG. 12 is a partial cross-sectional structural view of a sixth embodiment of the present invention;

FIG. 13a is a schematic view of a representative atomization device of the conventional art;

fig. 13b is a schematic view of another representative atomization device in the conventional art.

The attached drawings indicate the following:

liquid storage cavity 1 atomizing cup 2

Air inlet 3 and air outlet 4

Air inlet channel 5 through hole 6

Preheating section 7 preheating duct 8

Heat conducting layer 9 insulating layer 10

Heating layer 11 thermal insulation layer 12

Oil locking plate 13 buffer bin 14

Convex hull 15 liquid containing ring groove 16

Sleeve 17 protective layer 18

Outer shell 19 inner shell 20

First seal ring 21 and second seal ring 22

Power supply 23 leads oily piece 24

Air pressure sensing element 25 main shell 191

Nozzle shell 192 extension 101

Cavity 193 wicking material member 194

A piece of filter material 171.

Detailed Description

Referring to fig. 1 to 12, specific structures of various embodiments of the present invention are shown. The atomization device can be applied to products such as electronic cigarettes, medical atomization instruments and the like; here, the electronic cigarette is taken as an example for detailed description.

The utility model provides an improve atomizing effect and atomizing device of prevention of liquid leakage, includes stock solution chamber 1, atomizing cup 2, air inlet 3 and outlet duct 4, wherein: the atomizing cup 2 is provided with an upper end opening, the air outlet pipe 4 extends into the atomizing cup 2 from the upper end opening and keeps a gap with the inner bottom surface of the atomizing cup 2, and an air inlet channel 5 is formed between the periphery of the air outlet pipe 4 and the inner wall surface of the atomizing cup 2; the liquid in the liquid storage cavity 1 enters the atomizing cup 2 to be heated and atomized into an atomized substance, generally, the liquid in the liquid storage cavity 1 enters the atomizing cup 2 through an immersion type oil guide member, and the immersion type oil guide member can be cotton ropes, fibers, foamed ceramics and the like; or, the liquid in the liquid storage cavity 1 enters the atomizing cup 2 by injection or the like.

The external gas enters the atomizing cup 2 through the gas inlet 3, the upper end opening of the atomizing cup 2 and the gas inlet channel 5 in sequence, is mixed with the atomized substances, and is discharged from the gas outlet pipe 4. Thus, the gas enters from the periphery of the atomizing cup downwards, is mixed with the atomized substances in the area below the gas outlet pipe 4, is converged into a gas flow, enters from the lower end opening of the gas outlet pipe 4 and is discharged upwards through the gas outlet pipe 4; the atomizing cup can contain and adsorb redundant exuded liquid, and the phenomenon that the liquid is sucked into the oral cavity of a user or overflows out of the electronic cigarette is avoided because the air flow does not form the situation of up-down through convection. Preferably, on the air inlet side, also before the air enters the atomizing cup 2, a cavity 193 is arranged at the inlet of the air inlet channel 5 in the atomizing device, and after the air enters from the outside through the air inlet 3, the air enters the atomizing cup 2 through the cavity 193, the upper end opening of the atomizing cup 2 and the air inlet channel 5. The cavity 193 is semi-enclosed, and when the atomizing cup 2 contains excess liquid and the atomizing device is inverted, the cavity 193 can accommodate the liquid overflowing from the atomizing cup 2, so that a liquid absorbing material 194 (such as an oil absorbing material) can be placed in the cavity 193, as shown in fig. 12.

As shown in fig. 4, the cross-sectional area of the air inlet passage 5 is smaller than the cross-sectional area of the atomizing cup 2 below the corresponding air outlet pipe 4. Here, by fitting a sleeve 17 around the outlet duct 4, the length and shape of the sleeve 17 can be freely set, for example, the upper end of the sleeve 17 is set to a small section to fit the outlet duct 4, and the lower end of the sleeve 17 is set to a large section to provide a large junction and form a narrow inlet passage 5. Air inlet channel 5 can set up to the interval about 0.3 to 1.0 millimeter for air velocity, when gaseous by narrow air inlet channel 5 reachs the below broad region of outlet duct 4, air velocity sharp change forms the vortex, with the atomizer intensive mixing, thereby, reach the atomizing even, the soft purpose of taste, simultaneously, the vortex of formation can in time take away the atomizer fully, avoid the atomizer to be detained and influence follow-up atomizing, effectively accelerate atomizing speed. Because the air inlet channel 5 is narrow, a capillary phenomenon is easily formed, when excessive liquid seeps out, the excessive liquid can be sucked or guided into the cavity 193 in the suction nozzle shell 192, and the phenomenon that the liquid is sucked into the oral cavity of a user or overflows out of the electronic cigarette is further avoided. To enhance the taste, a piece of filter material 171 may be provided in the outlet tube 4 or the sleeve 17 for absorbing larger particles in the atomizing gas, as shown in fig. 12.

Usually, the top or the side of the atomizing cup 2 is provided with an air inlet channel 5, and the air outlet pipe 4 is communicated with the top of the atomizing cup 2; and the atomizing cavity in the atomizing cup 2 is positioned below the air inlet channel 5 and the air outlet pipe 4. Referring to fig. 1 to 8, the gas outlet pipe 4 is shown extending into the atomizing cup, and the gas enters from the top of the atomizing cup 2. In contrast, fig. 9 to 12 show the design of the upper end of the atomizing cup 2 extending into the air outlet pipe 4, and the air enters from the side of the atomizing cup 2. Of course, in the actual design, the invention is not limited to the several cases shown in the drawings, and the structure thereof is slightly changed, which also belongs to the same technical solution using the invention, and is limited by the space and will not be described herein again.

As shown in fig. 3 and 4, the atomizing cup 2 has a through hole 6 for the liquid to enter into the atomizing cup 2 from the liquid storage chamber 1, the atomizing cup 2 extends with a preheating part 7, and a preheating channel 8 communicating with the through hole 6 is formed in the preheating part 7. The setting of preheating channel 8 has effectively strengthened the mobility of tobacco tar. The atomizing cup 2 has a bottom wall and a peripheral side wall, and usually, the through hole 6 is provided in the bottom wall, and the preheating part 7 is a cylindrical part, for example, a cylindrical part, extending downward from the bottom wall. Preferably, the atomizing cup 2 is a heating cup body, and the heating cup body is used for atomizing, so that the atomizing area is effectively increased, and the atomizing effect is enhanced; the thickness of the heating cup can be designed to be thin, the heat conduction is faster, the preheating time after the electrification can be greatly shortened, the heating cup generates heat compared with the traditional heating wire, the heating area is increased by more than 300-400% under the condition of the same volume, the heating is more uniform, the atomization is more uniform and sufficient, the phenomena of overhigh smoke temperature and hot nozzle can be avoided, and the crackle sound is emitted when the liquid is vaporized due to the uneven temperature during the atomization.

During actual design production, can be with the wall body design of atomizing cup 2 for having from inside to outside heat-conducting layer 9 that sets gradually, insulating layer 10, layer 11 generates heat, heat preservation 12, heat-conducting layer 9's setting, guarantee atomizing cup heat balance, reach the soft effect of atomizing, insulating layer 10's setting plays insulating layer 11 and the purpose of heat-conducting layer 9 that generates heat, layer 11 that generates heat provides the required heat of atomizing, heat preservation 12 effectively avoids the heat outwards to dispel the heat and leads to extravagant and lead to the fact harmful effects to other positions of product. Preferably, a protective layer 18 can be arranged on the inner side of the heat conducting layer for preventing potentially harmful substances of the atomizing cup 2 from entering the atomizing cavity in the lower area of the air outlet pipe 4; a heating element can also be arranged inside the atomizing cup 2; alternatively, a heating element may be provided outside the atomizing cup 2.

The heating layer 11 and the heating element can be selected to be a heating circuit, the heating circuit is attached to the atomizing cup 2 by printing or etching, the heating circuit is adopted, the performance of conductivity in the conventional resistance heating process is not required to be considered, the material selection range is wider, the material can be selected according to the actual requirements of products to improve the safety, prolong the service life and the like, and the material can be selected according to the use environment, such as medical grade materials, high-adsorbability materials, high-strength materials and the like. And when the atomization device with different powers is needed, the heating area of the heating cup body is enlarged by more than 3-4 times, and different power requirements can be met only by changing the power through the resistance of the high-speed heating circuit, so that the size of a product can be standardized, atomization cups with different sizes do not need to be additionally designed, and the die sinking cost and the part cost are reduced.

As shown in fig. 4, an oil locking plate 13 is arranged in the atomizing cup 2, gaps are respectively kept between the upper end and the lower end of the oil locking plate 13 and the inner bottom surface of the air outlet pipe 4 and the atomizing cup 2, and the oil locking plate 13 is provided with a plurality of hollow-out positions for communicating the gaps between the upper end and the lower end of the oil locking plate 13. Through the setting of locking oiled plate 13, the thickness of leading oily piece can effective control, avoids leading oily piece and 4 contacts of outlet duct and causes the excessive outflow, and, the diapire of locking oiled plate 13 and atomizing cup 2 keeps enough little distance, can realize capillary phenomenon, reaches the oily purpose of lock. Here, the oil locking plate 13 is cup-shaped, and also has a bottom wall and a peripheral side wall, the oil locking plate 13 is installed in the atomizing cup 2, the peripheral side wall of the oil locking plate 13 is limited to the inner side of the peripheral side wall of the atomizing cup 2, and the air inlet channel 5 is defined by the peripheral side wall of the oil locking plate 13 and the outer side wall of the sleeve 17.

The oil locking plate 13 can have various structural forms, such as: the oil locking plate 13 can be a heat conducting plate which is made of heat conducting materials and can absorb the heat of the atomized matter to avoid nozzle burning; the oil locking plate 13 may be provided with a heating resistor or the oil locking plate 13 may be provided with a heating resistor, so that the oil locking plate 13 may have a heating function in addition to the oil locking function, thereby increasing the heating power and the heating area. If the oil locking plate 13 has a heating function, an additional oil guide member may be selectively disposed above the oil locking plate 13. When only adopting oil locking plate 13 to heat, atomizing cup 2 also can adopt the material preparation that has better heat conductivility for atomizing cup 2 can play cooling atomizing gas's effect to atomizing gas heat absorption, avoids appearing smog high temperature, scalds the mouth phenomenon.

Therefore, when the product is designed actually, the atomizing device can be heated by the atomizing cup 2 and/or the oil locking plate 13. Generally, if a single atomizing cup 2 is heated, the oil locking plate 13 preferably has a good heat conducting property; if the single oil locking plate 13 is heated, the atomizing cup 2 preferably has better heat-conducting property; if atomizing cup 2 and oil locking plate 13 have the heating function simultaneously, then emphasize and consider dual heating and promote atomizing efficiency and atomization effect, also can adopt other modes to avoid appearing the smog high temperature.

As shown in fig. 3, 4 and 6 to 8, a buffer bin 14 is arranged between the liquid storage cavity 1 and the atomizing cup 2; the liquid storage cavity 1 is provided with a liquid outlet, a liquid conveying piece is arranged at the liquid outlet, the liquid conveying piece penetrates through the buffer bin 14 to convey liquid into the atomizing cup 2, and the buffer bin 14 is arranged corresponding to the liquid outlet and used for receiving seepage of the liquid storage cavity 1. Preferably, the liquid conveying member extends out of a yielding port of the buffer bin 14, a convex hull 15 is arranged on the inner side of the top of the buffer bin 14 in a downward protruding mode, and the yielding port is arranged at the bottom of the convex hull 15, so that a liquid containing annular groove 16 arranged around the convex hull 15 is formed at the top of the buffer bin 14; when the atomization device is placed horizontally or obliquely or reversely, the seepage of the liquid storage cavity 1 is positioned in the liquid containing annular groove 16 and limited to the peripheral side of the convex hull 15. As shown in fig. 4, the surge bin 14 is designed to have a concave cross section. Generally, the buffer bin 14 can be empty or a small amount of additive can be added, and the function of the seasoning bin can be realized by adding the additive, so that the user can experience better.

As shown in fig. 6, when the liquid is stored in the liquid storage chamber 1, the liquid seepage phenomenon is not generated;

as shown in fig. 7, when the container is in a flat state, part of the liquid may seep out from the liquid outlet of the liquid storage chamber 1 and is contained in the buffer bin 14, and due to the arrangement of the convex hull 15, the liquid in the buffer bin 14 cannot seep out of the product, so that the liquid leakage phenomenon is effectively avoided;

as shown in fig. 8, in the upside-down state, the convex hull 15 also keeps the seepage liquid in the liquid containing annular groove 16 in a separated manner, so that the liquid in the buffer bin 14 cannot seep out of the product; the height of the convex hull 15 can meet the accumulation amount of general seepage, and the phenomenon that the seepage exceeds the convex hull 15 and is soaked to a relief opening can not occur. And, as shown in fig. 12, in the upside-down state, if there is excess liquid in the atomizing cup 2, it may overflow the air inlet channel 5, and the cavity 193 can accommodate the liquid overflowing from the atomizing cup 2, so as to effectively prevent the liquid from being inhaled into the oral cavity of the user or overflowing from the air outlet pipe to the outside of the atomizing device.

Next, a specific product structure is described as follows:

as shown in fig. 1 to 3, the atomizing device includes an outer casing 19 and an inner casing 20, the outer casing 19 is divided into a main casing 191 and a nozzle casing 192, and the nozzle casing 192 is assembled to an upper end of the main casing 191.

The liquid storage cavity 1 is positioned at the bottom of the buffer bin 14, the liquid storage cavity 1 and the buffer bin are both arranged inside the inner shell 20, the upper end of the liquid storage cavity 1 extends to form a lengthened part 101, the lower end of the buffer bin 14 is sleeved on the periphery of the lengthened part 101, and sealing assembly is achieved between the buffer bin 14 and the lengthened part 101 through a first sealing ring 21; a concave cavity is formed in the convex hull 15, the preheating part 7 extends into the concave cavity, and the preheating part 7 and the inner wall surface of the concave cavity are hermetically assembled through a second sealing ring 22; taking the oil guiding member 24 as an example, the oil guiding member 24 passes through the relief opening of the convex hull 15, passes through the concave cavity in the convex hull 15, enters the preheating channel 8 of the preheating part 7, and then enters the atomizing cavity of the atomizing cup 2.

The inner shell 20 and the outer shell 19 are fixedly assembled in a buckling mode, and specifically, the inner shell 20 can be buckled on the nozzle shell 192; in the area of the inner bottom section of the housing 19, a power source 23 is arranged, said power source 23 typically being a rechargeable power source. The electrodes of the power supply 23 extend upwards via a conducting strip or cable to the heating element or atomizing cup 2 to supply power to the heating element or heating layer 11, and of course also in this way if the oil locking plate 13 also has a heating function. And, an air pressure sensing element 25 is provided inside the housing 19, the air pressure sensing element 25 being connected to the power supply 23. A control switch is generally arranged on the outer surface of the shell 19 and is connected with a power supply 23; when the product is designed, the circuit board can be arranged as required to be used for circuit management of the product and arrangement of electronic components, such as power supply management, switch control management and the like.

In summary, the design of the present invention is characterized in that the atomizing cup is designed to have an upper opening, the air outlet pipe extends into the atomizing cup from the upper opening and keeps a gap with the inner bottom surface of the atomizing cup, an air inlet channel is formed between the periphery of the air outlet pipe and the inner wall surface of the atomizing cup, the liquid in the liquid storage cavity enters the atomizing cup and is heated and atomized into an atomized substance, and the external air enters the atomizing cup through the air inlet and the air inlet channel in sequence, is mixed with the atomized substance, and is discharged from the air outlet pipe; therefore, the atomizing cup can contain and adsorb redundant exuded liquid, and the phenomenon that the liquid is sucked into the oral cavity of a user or overflows out of the electronic cigarette is avoided because the air flow does not form the situation of up-down through convection; meanwhile, due to the air inlet mode and the airflow direction, the air is more fully contacted and mixed with the atomized substance, the atomized substance is taken away more timely, and the atomization efficiency and the atomization effect are effectively improved;

secondly, the atomizing cup is used as a heating cup body or/and an oil locking plate to generate heat, under the condition of the same volume, the heating area is increased by more than 300-400%, the heat is generated more uniformly, the atomization is more uniform and sufficient, the atomization effect is greatly improved, the phenomena of overhigh smoke temperature and nozzle burning are avoided, and the liquid is prevented from generating crackle sound when being vaporized due to uneven temperature during atomization; furthermore, the atomizing cup 2 is extended with a preheating part, and the fluidity of the tobacco tar is effectively enhanced by utilizing a preheating channel in the preheating part.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims

1. The utility model provides an improve atomizing effect and atomizing device of prevention of liquid leakage which characterized in that: including stock solution chamber (1), atomizing cup (2), air inlet (3) and outlet duct (4), wherein:

the top or the side surface of the atomizing cup (2) is provided with an air inlet channel (5), and the air outlet pipe (4) is communicated with the top of the atomizing cup (2); an atomization cavity in the atomization cup (2) is positioned below the air inlet channel (5) and the air outlet pipe (4);

the liquid in the liquid storage cavity (1) enters the atomizing cup (2) to be heated and atomized into an atomized substance, and the external gas enters the atomizing cup (2) through the gas inlet (3) and the gas inlet channel (5) in sequence, is mixed with the atomized substance and is discharged from the gas outlet pipe (4).

2. The atomizing device with improved atomization effect and liquid leakage prevention according to claim 1, wherein: the atomizing cup (2) is provided with an upper end opening, the air outlet pipe (4) extends into the atomizing cup (2) from the upper end opening and keeps a gap with the inner bottom surface of the atomizing cup (2), and the air inlet channel (5) is formed between the periphery of the air outlet pipe (4) and the inner wall surface of the atomizing cup (2); the outside air enters the atomizing cup (2) through the air inlet (3), the upper end opening of the atomizing cup (2) and the air inlet channel (5) in sequence.

3. The atomizing device with improved atomization effect and liquid leakage prevention according to claim 1, wherein: atomizing cup (2) have supply liquid to get into through-hole (6) in atomizing cup (2) from stock solution chamber (1), atomizing cup (2) extend has preheating portion (7), be formed with in preheating portion (7) and communicate preheating channel (8) of through-hole (6).

4. The atomizing device with improved atomization effect and liquid leakage prevention according to claim 1, wherein: the atomizing cup (2) is a heating cup body.

5. The atomizing device with improved atomization effect and leakage prevention according to claim 1, 2, 3 or 4, wherein: be provided with in atomizing cup (2) and lock oil board (13), lock the upper and lower extreme of oil board (13) and keep the clearance with outlet duct (4), atomizing cup (2) inner bottom surface respectively, lock oil board (13) are provided with a plurality of fretwork vacant positions in order to communicate lock oil board (13) upper and lower extreme clearance.

6. The atomizing device with improved atomization effect and liquid leakage prevention according to claim 5, wherein: the oil locking plate (13) is a heat conducting plate;

or the oil locking plate (13) is provided with a heating resistor, and an additional oil guide part can be selectively arranged above the oil locking plate (13).

7. The atomizing device with improved atomization effect and liquid leakage prevention according to claim 4, wherein: the wall body of the atomizing cup (2) is provided with a heat conduction layer (9), an insulation layer (10), a heating layer (11) and a heat insulation layer (12) which are arranged from inside to outside in sequence;

or a heating element is arranged on the inner side of the atomizing cup (2);

or a heating element is arranged outside the atomizing cup (2).

8. The atomizing device with improved atomization effect and leakage prevention according to claim 1, 2, 3 or 4, wherein: a buffer bin (14) is arranged between the liquid storage cavity (1) and the atomizing cup (2); the liquid storage cavity (1) is provided with a liquid outlet, a liquid conveying piece is arranged at the liquid outlet, the liquid conveying piece penetrates through the buffer bin (14) to convey liquid into the atomizing cup (2), and the buffer bin (14) is arranged corresponding to the liquid outlet and is used for bearing seepage of the liquid storage cavity (1).

9. The atomizing device with improved atomization effect and liquid leakage prevention according to claim 8, wherein: the liquid conveying piece extends out of a yielding port of the buffer bin (14), a convex hull (15) is arranged on the inner side of the top of the buffer bin (14) in a downward protruding mode, and the yielding port is arranged at the bottom of the convex hull (15) so that a liquid containing annular groove (16) arranged around the convex hull (15) is formed in the top of the buffer bin (14); when the atomization device is horizontally placed or obliquely placed or inversely placed, the seepage of the liquid storage cavity (1) is positioned in the liquid containing annular groove (16) and limited to the peripheral side of the convex hull (15).

10. The atomizing device with improved atomization effect and leakage prevention according to claim 1, 2, 3 or 4, wherein: the cross sectional area of the air inlet channel (5) is smaller than the cross sectional area of the atomizing cup (2) corresponding to the lower part of the air outlet pipe (4).