CN218921660U

CN218921660U - Electronic cigarette atomizer

Info

Publication number: CN218921660U
Application number: CN202223151652.4U
Authority: CN
Inventors: 陈家太; 周胜文; 刘光烜; 李雪; 林云燕
Original assignee: Smiss Technology Co Ltd
Current assignee: Smiss Technology Co Ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-04-28
Anticipated expiration: 2032-11-25

Abstract

The utility model provides an electronic cigarette atomizer which comprises an atomizer shell and an atomization core arranged in the atomizer shell, wherein an atomization cavity and an oil storage cavity for storing tobacco tar are arranged in the atomizer shell; an air inlet channel is arranged at the bottom of the atomizer shell, and the air inlet channel is positioned below the atomizing cavity and is communicated with the atomizing cavity; the air inlet channel is internally provided with an air permeable membrane, the air permeable membrane seals the air inlet channel, and the air permeable membrane is used for blocking aerosol smoke and allowing air to pass through. According to the electronic cigarette atomizer, the air-permeable film is arranged in the air inlet channel, so that aerosol smoke can be prevented from entering the battery rod, condensate generated on a battery and a circuit device in the battery rod is reduced or avoided, and the safety of the electronic cigarette is improved.

Description

Electronic cigarette atomizer

Technical Field

The utility model relates to the technical field of electronic cigarettes, in particular to an electronic cigarette atomizer.

Background

The electronic cigarette is also called virtual cigarette, steam cigarette, aerosol generating device, etc. and is mainly used for simulating smoking feeling on the premise of not affecting health so as to be used for stopping smoking or replacing cigarettes.

The electronic cigarette generally comprises an electronic cigarette atomizer (i.e., a cartridge) and a battery stem (i.e., a stem), which is connected to the electronic cigarette atomizer. The electronic cigarette atomizer is mainly used for heating tobacco tar (tobacco paste) in an electric heating mode to generate smoke, and a battery and other circuit devices are arranged in the battery rod, so that power is supplied to the electronic cigarette atomizer. When the electronic cigarette atomizer is used, after generating smoke, the smoke and air are mixed through the suction action of a user and then enter the oral cavity through the air passage; however, after the pumping action is stopped, smoke still remains in the air passage, meanwhile, as micro negative pressure exists in the whole air passage in the pumping process, a part of smoke is reversely sucked into the battery rod or a connection area between the battery rod and the electronic cigarette atomizer, condensate is formed after the part of smoke collides with the wall and is condensed, on one hand, the cleaning difficulty of the electronic cigarette can be increased, the experience of a consumer is reduced, and on the other hand, the battery and the circuit device in the battery rod are affected, so that the battery rod is short-circuited or damaged.

Disclosure of Invention

The utility model aims to provide an electronic cigarette atomizer, which can prevent aerosol smoke from entering a battery rod by arranging a ventilation film, so that condensate generated on a battery and a circuit device in the battery rod is reduced or avoided.

The utility model provides an electronic cigarette atomizer which comprises an atomizer shell and an atomization core arranged in the atomizer shell, wherein an atomization cavity and an oil storage cavity for storing tobacco tar are arranged in the atomizer shell; an air inlet channel is arranged at the bottom of the atomizer shell, and the air inlet channel is positioned below the atomizing cavity and is communicated with the atomizing cavity; the air inlet channel is internally provided with an air permeable membrane, the air permeable membrane seals the air inlet channel, and the air permeable membrane is used for blocking aerosol smoke and allowing air to pass through.

In one implementation, the atomizer housing includes a housing and an oil reservoir disposed within the housing, the oil reservoir being disposed within the oil reservoir; the bottom wall of the oil storage body and the bottom wall of the shell are arranged at intervals, the atomization cavity is formed between the bottom wall of the oil storage body and the bottom wall of the shell, and the atomization cavity and the atomization core are positioned below the oil storage body; the air inlet channel comprises an air inlet hole arranged on the bottom wall of the shell, the air inlet hole is positioned below the atomization cavity, and the air permeable membrane is arranged in the air inlet hole and seals the air inlet hole.

In one implementation, the atomizer housing includes a housing and an oil reservoir disposed within the housing, the oil reservoir and the atomizing chamber both disposed within the oil reservoir; the air inlet channel comprises an air inlet hole arranged on the bottom wall of the shell, the air inlet hole is positioned below the atomization cavity, and the air permeable membrane is arranged in the air inlet hole and seals the air inlet hole.

In one implementation, the atomizer housing includes a housing and an oil reservoir disposed within the housing, the oil reservoir and the atomizing chamber both disposed within the oil reservoir; the air inlet channel comprises an air inlet hole arranged on the bottom wall of the shell and an air inlet cavity arranged in the oil storage body, the air inlet hole is positioned below the atomization cavity, the air inlet cavity is positioned between the air inlet hole and the atomization cavity, the air permeable membrane is arranged in the air inlet hole and/or the air inlet cavity, and the air permeable membrane seals the air inlet hole and/or the air inlet cavity.

In one implementation, the housing includes a main body portion and a bottom cover, the bottom cover is disposed at a bottom of the main body portion and connected to the main body portion, and the air inlet hole is disposed on the bottom cover.

In one implementation, the breathable film comprises a distended polytetrafluoroethylene breathable layer, and the distended polytetrafluoroethylene breathable layer is provided with micropores penetrating through the distended polytetrafluoroethylene breathable layer up and down.

In one possible implementation, the expanded polytetrafluoroethylene gas permeable layer has a thickness of 5-20 microns and the micropores have a pore size of 0.05-0.2 microns.

In one implementation, the breathable film further includes a support layer that is in contact with the expanded polytetrafluoroethylene breathable layer, the support layer being configured to support the expanded polytetrafluoroethylene breathable layer.

In one implementation, the support layer is a nylon fabric layer.

In one implementation, the supporting layer is a net structure, the mesh number of the supporting layer is 10-100 mesh, and the thickness of the supporting layer is 20-50 microns.

According to the electronic cigarette atomizer provided by the utility model, the air-permeable membrane is arranged in the air inlet channel of the atomizer shell, the air inlet channel is sealed by the air-permeable membrane, so that the air-permeable membrane can block aerosol smoke and allow air to pass through, namely, the electronic cigarette atomizer can be isolated from the battery rod, so that the aerosol smoke generated in the electronic cigarette atomizer cannot be sucked back into the battery rod due to suction negative pressure, condensate generated on a battery and a circuit device in the battery rod is reduced or avoided, the safety and the service life of equipment are improved, and the cleaning difficulty is reduced.

Drawings

Fig. 1 is a schematic cross-sectional view of an electronic cigarette atomizer according to an embodiment of the present utility model.

Fig. 2 is a schematic cross-sectional view of the breathable film of fig. 1.

FIG. 3 is a schematic plan view of the expanded polytetrafluoroethylene breathable layer of FIG. 2.

Fig. 4 is a schematic plan view of the supporting layer in fig. 2.

Fig. 5 is a schematic cross-sectional view of an electronic cigarette atomizer according to another embodiment of the present utility model.

Fig. 6 is a schematic cross-sectional view of an electronic cigarette atomizer according to another embodiment of the present utility model.

Fig. 7 is a schematic cross-sectional view of an electronic cigarette atomizer according to another embodiment of the present utility model.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

The terms "first," "second," "third," "fourth" and the like in the description and in the claims, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

The terms upper, lower, left, right, front, rear, top, bottom and the like (if any) in the description and in the claims are used for descriptive purposes and not necessarily for describing relative positions of structures in the figures and in describing relative positions of structures. It should be understood that the use of directional terms should not be construed to limit the scope of the utility model as claimed.

As shown in fig. 1, the electronic cigarette atomizer provided by the embodiment of the utility model comprises an atomizer shell 1 and an atomization core 2 arranged in the atomizer shell 1, wherein an atomization cavity 13 and an oil storage cavity 14 for storing tobacco tar are arranged in the atomizer shell 1, the atomization core 2 is arranged in the atomization cavity 13, the tobacco tar in the oil storage cavity 14 can be led to the atomization core 2, and the atomization core 2 is used for heating the tobacco tar to generate smoke. The bottom of the atomizer shell 1 is provided with an air inlet channel which is positioned below the atomizing cavity 13 and is communicated with the atomizing cavity 13; the air inlet channel is internally provided with an air permeable membrane 3, the air permeable membrane 3 seals the air inlet channel, and the air permeable membrane 3 is used for blocking aerosol smoke and allowing air to pass through.

Specifically, the electronic cigarette atomizer provided in this embodiment sets up ventilated membrane 3 in the air inlet channel of atomizer casing 1, ventilated membrane 3 seals air inlet channel, ventilated membrane 3 can block aerosol smog and allow the air to pass through, ventilated membrane 3 can keep apart electronic cigarette atomizer and battery pole (not shown) promptly for the aerosol smog that produces in the electronic cigarette atomizer can't be by suction negative pressure by the back-draught to in the battery pole, thereby reduce or avoid producing the condensate on battery and the circuit arrangement in the battery pole, also can avoid the condensate that produces in the electronic cigarette atomizer to get into in the battery pole (i.e. ventilated membrane 3 still has the effect of manger plate), the security and the life of equipment have been improved, and the clean degree of difficulty is reduced. Moreover, the air-permeable membrane 3 is also capable of adjusting the amount of intake air.

As shown in fig. 1, as an embodiment, the atomizer housing 1 includes a housing 11 and an oil reservoir 12 provided in the housing 11, and an oil reservoir 14 is provided in the oil reservoir 12. The diapire of oil storage body 12 sets up with the diapire interval of shell 11, and atomizing chamber 13 forms between the diapire of oil storage body 12 and the diapire of shell 11, and atomizing chamber 13 and atomizing core 2 are located oil storage body 12 below. The air inlet channel comprises an air inlet hole 113 arranged on the bottom wall of the shell 11, the air inlet hole 113 is positioned below the atomization cavity 13, and the air permeable membrane 3 is arranged in the air inlet hole 113 and seals the air inlet hole 113.

As shown in fig. 1, as an embodiment, the electronic cigarette atomizer further includes a suction nozzle 5, and the suction nozzle 5 is located above the housing 11 and connected to the housing 11; a flue 15 is arranged between the side wall of the oil storage body 12 and the side wall of the shell 11, and the upper end and the lower end of the flue 15 are respectively communicated with the suction nozzle 5 and the atomizing cavity 13. When the tobacco tar in the oil storage body 12 is led to the atomization core 2, the atomization core 2 heats the tobacco tar and generates smoke in the atomization cavity 13, and then under the suction effect of a user, the smoke in the atomization cavity 13 is mixed with air and then enters the suction nozzle 5 through the flue 15 for the user to suck.

As shown in fig. 5, as another embodiment, the atomizer housing 1 includes a housing 11 and an oil reservoir 12 provided in the housing 11, and an oil reservoir 14 and an atomization chamber 13 are provided in the oil reservoir 12. The air inlet channel comprises an air inlet hole 113 arranged on the bottom wall of the shell 11, the air inlet hole 113 is positioned below the atomization cavity 13, and the air permeable membrane 3 is arranged in the air inlet hole 113 and seals the air inlet hole 113.

As another embodiment, as shown in fig. 5, the atomization cavity 13 is disposed at a middle position in the oil storage body 12, and the oil storage cavities 14 are disposed at opposite sides of the atomization cavity 13; the bottom of the oil storage body 12 is arranged at intervals with the bottom wall of the shell 11, a flue 15 is arranged between the outer side wall of the oil storage body 12 and the side wall of the shell 11, the upper end of the atomizing cavity 13 is directly communicated with the suction nozzle 5, and the lower end of the atomizing cavity 13 is communicated with the suction nozzle 5 through the flue 15; part of the smoke in the atomizing cavity 13 can directly enter the suction nozzle 5, and the other part of the smoke flows through the flue 15 and then enters the suction nozzle 5.

As shown in fig. 6, as another embodiment, the atomizer housing 1 includes a housing 11 and an oil reservoir 12 provided in the housing 11, and an oil reservoir 14 and an atomization chamber 13 are provided in the oil reservoir 12. The air inlet channel comprises an air inlet hole 113 arranged on the bottom wall of the shell 11 and an air inlet cavity 121 arranged in the oil storage body 12, and the air inlet cavity 121 is correspondingly positioned below the atomization cavity 13; the air inlet hole 113 is positioned below the atomization cavity 13, the air inlet cavity 121 is positioned between the air inlet hole 113 and the atomization cavity 13, the air permeable membrane 3 is arranged in the air inlet hole 113, and the air permeable membrane 3 seals the air inlet hole 113. As shown in fig. 7, as another embodiment, the air-permeable membrane 3 is disposed in the air intake chamber 121, and the air-permeable membrane 3 seals the air intake chamber 121. Of course, in other embodiments, the air-permeable membrane 3 may be disposed in both the air intake hole 113 and the air intake cavity 121, and the air-permeable membrane 3 seals both the air intake hole 113 and the air intake cavity 121.

As another embodiment, as shown in fig. 6, an atomization cavity 13 is disposed at a middle position in an oil storage body 12, and oil storage cavities 14 are disposed at opposite sides of the atomization cavity 13; the bottom of the oil storage body 12 is propped against the bottom wall of the shell 11, the upper end of the atomizing cavity 13 is directly communicated with the suction nozzle 5, and the smoke in the atomizing cavity 13 can directly enter the suction nozzle 5.

As shown in fig. 1, as an embodiment, the housing 11 includes a main body 111 and a bottom cover 112, the bottom cover 112 is disposed at the bottom of the main body 111 and connected to the main body 111, and the air intake hole 113 is disposed on the bottom cover 112.

As an embodiment, the oil storage body 12 and the housing 11 may be integrally formed, or may be separately formed (i.e., the oil storage body 12 is a single component).

As shown in fig. 1, as an embodiment, the oil storage body 12 is provided with an oil outlet 122 at a position corresponding to the atomizing core 2, the oil outlet 122 is communicated with the oil storage chamber 14, and the tobacco tar in the oil storage chamber 14 can be led to the atomizing core 2 through the oil outlet 122.

As shown in fig. 1, as an embodiment, the oil outlet 122 is provided in the bottom wall of the oil reservoir 12, and the tobacco tar in the oil reservoir 14 can be dropped onto the atomizing core 2 through the oil outlet 122.

As shown in fig. 5, as another embodiment, the oil outlet 122 is provided on the inner side wall of the oil reservoir 12, the atomizing core 2 contacts with the inner side wall of the oil reservoir 12 at a position corresponding to the oil outlet 122, the oil outlet 122 is blocked by the atomizing core 2, and the tobacco tar in the oil reservoir 14 flows onto the atomizing core 2 through the oil outlet 122. Of course, in other embodiments, the tobacco tar within the reservoir chamber 14 may be directed onto the atomizing core 2 in other ways (e.g., by way of a cotton wick).

As shown in fig. 1, as an embodiment, the electronic cigarette atomizer further includes a conductive electrode 4, the conductive electrode 4 is electrically connected to the atomizing core 2, and the conductive electrode 4 is electrically connected to a power supply in the battery rod, so as to supply power to the atomizing core 2.

As shown in fig. 2 and 3, as an embodiment, the breathable film 3 includes an expanded polytetrafluoroethylene breathable layer 31, and micropores 311 penetrating from top to bottom are provided in the expanded polytetrafluoroethylene breathable layer 31, and the micropores 311 can block aerosol smoke and allow air to pass through.

In particular, the expanded polytetrafluoroethylene has unique chemical inertness and thermal stability, and the expanded polytetrafluoroethylene film can be processed to form various unique microstructures, thereby producing a series of high performance filter media with micropores that block various particulates and allow air to pass through.

As one embodiment, the expanded polytetrafluoroethylene gas permeable layer 31 has a thickness of 5-20 microns and the micropores 311 have a pore size of 0.05-0.2 microns. Meanwhile, the air inflow of the electronic cigarette atomizer can be adjusted by using the air permeable films 3 with different micropore 311 sizes.

As shown in fig. 2 and 4, as an embodiment, the breathable film 3 further includes a support layer 32, where the support layer 32 is attached to the expanded polytetrafluoroethylene breathable layer 31, and the support layer 32 is used for supporting the expanded polytetrafluoroethylene breathable layer 31, so as to improve the structural strength of the breathable film 3.

As one embodiment, the support layer 32 is a nylon fabric layer. Of course, in other embodiments, other materials for the support layer 32 may be used.

As shown in fig. 2 and 4, the supporting layer 32 is a net structure, the supporting layer 32 is provided with holes 321 penetrating up and down, the number of the holes 321 of the supporting layer 32 is 10-100, and the thickness of the supporting layer 32 is 20-50 micrometers. The support layer 32 may be woven in a plain weave, a twill weave, a satin weave, or the like.

As an embodiment, the support layer 32 and the expanded polytetrafluoroethylene gas permeable layer 31 may be joined together by thermal compounding. The upper and lower positions of the expanded polytetrafluoroethylene breathable layer 31 and the supporting layer 32 can be changed (namely, the upper layer is the expanded polytetrafluoroethylene breathable layer 31, the lower layer is the supporting layer 32, or the upper layer is the supporting layer 32, and the lower layer is the expanded polytetrafluoroethylene breathable layer 31).

As an embodiment, the air-permeable membrane 3 may be fixed to the atomizer housing 1 by means of glue bonding or physical press fit.

According to the electronic cigarette atomizer provided by the embodiment of the utility model, the air-permeable membrane 3 is arranged in the air inlet channel of the atomizer shell 1, the air inlet channel is sealed by the air-permeable membrane 3, aerosol smog can be blocked by the air-permeable membrane 3 and air can be allowed to pass through, namely, the electronic cigarette atomizer can be isolated from the battery rod by the air-permeable membrane 3, so that the aerosol smog generated in the electronic cigarette atomizer cannot be sucked back into the battery rod due to suction negative pressure, condensate generated on a battery and a circuit device in the battery rod is reduced or avoided, and meanwhile, the condensate generated in the electronic cigarette atomizer is prevented from entering the battery rod (namely, the air-permeable membrane 3 also has the function of water retaining), the safety and the service life of equipment are improved, and the cleaning difficulty is reduced. Moreover, the air-permeable membrane 3 is also capable of adjusting the amount of intake air.

The foregoing is merely illustrative embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present utility model, and the utility model should be covered. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The electronic cigarette atomizer is characterized by comprising an atomizer shell (1) and an atomization core (2) arranged in the atomizer shell (1), wherein an atomization cavity (13) and an oil storage cavity (14) for storing tobacco tar are arranged in the atomizer shell (1), the atomization core (2) is arranged in the atomization cavity (13), and the tobacco tar in the oil storage cavity (14) can be led to the atomization core (2); an air inlet channel is arranged at the bottom of the atomizer shell (1), and is positioned below the atomizing cavity (13) and communicated with the atomizing cavity (13); the air inlet channel is internally provided with an air permeable membrane (3), the air permeable membrane (3) seals the air inlet channel, and the air permeable membrane (3) is used for blocking aerosol smog and allowing air to pass through.

2. The electronic cigarette atomizer according to claim 1, wherein the atomizer housing (1) comprises a housing (11) and an oil reservoir (12) arranged in the housing (11), the oil reservoir (14) being arranged in the oil reservoir (12); the bottom wall of the oil storage body (12) is arranged at intervals with the bottom wall of the shell (11), the atomization cavity (13) is formed between the bottom wall of the oil storage body (12) and the bottom wall of the shell (11), and the atomization cavity (13) and the atomization core (2) are positioned below the oil storage body (12); the air inlet channel comprises an air inlet hole (113) arranged on the bottom wall of the shell (11), the air inlet hole (113) is positioned below the atomization cavity (13), and the air permeable membrane (3) is arranged in the air inlet hole (113) and seals the air inlet hole (113).

3. The electronic cigarette atomizer according to claim 1, wherein the atomizer housing (1) comprises a housing (11) and an oil reservoir (12) arranged in the housing (11), the oil reservoir (14) and the atomizer chamber (13) being both arranged in the oil reservoir (12); the air inlet channel comprises an air inlet hole (113) arranged on the bottom wall of the shell (11), the air inlet hole (113) is positioned below the atomization cavity (13), and the air permeable membrane (3) is arranged in the air inlet hole (113) and seals the air inlet hole (113).

4. The electronic cigarette atomizer according to claim 1, wherein the atomizer housing (1) comprises a housing (11) and an oil reservoir (12) arranged in the housing (11), the oil reservoir (14) and the atomizer chamber (13) being both arranged in the oil reservoir (12); the air inlet channel comprises an air inlet hole (113) formed in the bottom wall of the shell (11) and an air inlet cavity (121) formed in the oil storage body (12), the air inlet hole (113) is located below the atomization cavity (13), the air inlet cavity (121) is located between the air inlet hole (113) and the atomization cavity (13), the air permeable membrane (3) is arranged in the air inlet hole (113) and/or the air inlet cavity (121), and the air permeable membrane (3) seals the air inlet hole (113) and/or the air inlet cavity (121).

5. The electronic cigarette atomizer according to any one of claims 2 to 4, wherein the housing (11) includes a main body portion (111) and a bottom cover (112), the bottom cover (112) is disposed at a bottom of the main body portion (111) and connected to the main body portion (111), and the air intake hole (113) is disposed on the bottom cover (112).

6. The electronic cigarette atomizer according to any one of claims 1 to 4, wherein the gas-permeable membrane (3) comprises a gas-permeable layer (31) of expanded polytetrafluoroethylene, and the gas-permeable layer (31) of expanded polytetrafluoroethylene is provided with micropores (311) penetrating up and down.

7. The electronic cigarette atomizer according to claim 6, wherein the expanded polytetrafluoroethylene gas-permeable layer (31) has a thickness of 5-20 μm and the micropores (311) have a pore size of 0.05-0.2 μm.

8. The electronic cigarette atomizer according to claim 6, wherein the vapor permeable membrane (3) further comprises a support layer (32), the support layer (32) is attached to the expanded polytetrafluoroethylene vapor permeable layer (31), and the support layer (32) is used for supporting the expanded polytetrafluoroethylene vapor permeable layer (31).

9. The electronic cigarette atomizer according to claim 8, wherein the support layer (32) is a nylon fabric layer.

10. The electronic cigarette atomizer according to claim 8, wherein the support layer (32) is a mesh structure, the mesh (321) of the support layer (32) is 10-100 mesh, and the thickness of the support layer (32) is 20-50 μm.