CN219422157U

CN219422157U - Protective filter element and electronic atomizer

Info

Publication number: CN219422157U
Application number: CN202320620563.5U
Authority: CN
Inventors: 刘家福; 刘泽希; 江晓坤
Original assignee: Shenzhen Ande Electronic Industry Co ltd
Current assignee: Shenzhen Ande Electronic Industry Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-07-28
Anticipated expiration: 2033-03-24

Abstract

The application relates to the field of electronic atomization technology, especially, relate to a protection filter core and electronic atomizer, protection filter core includes imbibition core and filtration membrane, imbibition core central authorities set up with the inside intercommunicating pore of intercommunication of electronic atomizer, filtration membrane laminating is fixed in the pore wall of intercommunicating pore. The liquid suction core is used for absorbing saliva and condensate, so as to avoid frying oil caused by oil-liquid mixing in the heating process as much as possible; the filter membrane is used for filtering harmful substances such as viruses, bacteria, nicotine, tar and the like in the air and the tobacco tar, and the atomized tobacco tar is discharged out of the electronic atomizer through the filter membrane. The application has the effect of filtering harmful substances in air and tobacco tar and improving the health safety of the electronic atomizer.

Description

Protective filter element and electronic atomizer

Technical Field

The application relates to the field of electronic atomization technology, in particular to a protective filter element and an electronic atomizer.

Background

The electronic atomizer simulates the appearance and taste of a traditional cigarette by atomizing tobacco tar for consumers to inhale. The prior electronic atomizer refers to a patent document with a publication number of CN217658179U, and the patent document discloses a novel electronic cigarette which comprises: the electronic atomizer comprises a suction nozzle, an air switch, a control circuit board and an atomization unit, wherein the air switch, the control circuit board and the atomization unit are electrically connected, external air is sucked through the suction nozzle of the electronic atomizer, air flow is generated in the electronic atomizer, the air switch starts the control circuit board, and the atomization unit atomizes tobacco tar.

However, because the electronic atomizer is communicated with the outside air, harmful substances such as viruses, haze, nicotine, tar and the like in the air and the tobacco tar are easily sucked into the body of a user in the sucking process, and potential harm is easily caused to the health of the user.

Disclosure of Invention

In order to filter harmful substances in air and tobacco tar and improve the health safety of the electronic atomizer, the application provides a protection filter element and the electronic atomizer.

On the one hand, the protection filter element provided by the application adopts the following technical scheme:

a protective filter cartridge comprising:

the liquid suction core is of a porous structure and is used for absorbing saliva and condensate, and the liquid suction core is provided with a communication hole;

the filtering membrane is attached to the hole wall of the communication hole and used for filtering harmful substances in air and tobacco tar, and atomized tobacco tar is discharged out of the electronic atomizer through the filtering membrane.

By adopting the technical scheme, the protective filter element is arranged in the electronic atomizer, and the liquid suction core can absorb saliva and condensed water, so that the phenomenon of oil frying easily occurs in the atomization heating process of the oil liquid mixture, and condensed water or saliva can be prevented from flowing into the atomization assembly to be mixed with tobacco tar as much as possible, thereby improving the safety of the electronic atomizer and reducing the possibility of wetting and short-circuiting of electronic elements in the electronic atomizer;

the filter membrane is arranged on the inner wall of the communicating hole of the liquid suction core, so that harmful substances such as nicotine, tar, viruses and the like in tobacco tar and air can be adsorbed and filtered, and the safety of the electronic atomizer is improved from the health angle.

Optionally, the filtering membrane comprises a coaxially nested protective layer and a spun-bonded layer, a plurality of air holes are formed in the surface of the spun-bonded layer in an array mode, the spun-bonded layer covers the hole wall of the communication hole, the protective layer is fixed on one surface, deviating from the liquid absorption core, of the spun-bonded layer, and the protective layer is made of non-woven fabrics.

By adopting the technical scheme, the filtering membrane is arranged in a mode of combining the protective layer with the spun-bonded layer, and the protective layer made of the non-woven fabric can effectively filter harmful substances such as viruses, bacteria, nicotine, tar and the like; the spun-bonded layer with the air holes is adhered and fixed with the liquid absorption core, and can play a role in protecting the protective layer.

On the other hand, the electronic atomizer applying the protective filter element adopts the following technical scheme:

an electronic atomizer, comprising:

the shell is hollow and cylindrical, an atomization assembly and an oil storage tank are axially arranged in the shell, and the oil storage tank is used for supplying oil to the atomization assembly;

the suction nozzle is fixedly connected with the shell, an air suction pipe is axially arranged in the suction nozzle, and the air suction pipe is used for communicating the atomization component with the atmosphere;

the protection filter core is located between the oil storage tank and the air suction pipe, and the communication hole is coaxially communicated with the air suction pipe.

Through adopting above-mentioned technical scheme, install the breathing pipe tip at the suction nozzle with the protection filter core, the oil storage tank plays the bearing effect to the protection filter core, and the person of sucking inhales from the suction nozzle, and tobacco tar and air after the atomizing are filtered through the protection filter core and are discharged from the breathing pipe again, can filter the harmful substance in air and the tobacco tar, improve electronic atomizer's health security.

Optionally, the housing is detachably connected to the suction nozzle.

Through adopting above-mentioned technical scheme, protection filter core needs periodic replacement, and the shell is convenient for change protection filter core with the detachable link of suction nozzle.

Optionally, one end of the shell, which is close to the suction nozzle, is a connecting end, the connecting end is provided with a convex edge around the outer peripheral wall, the inner peripheral wall of one end of the suction nozzle, which is close to the shell, is provided with a groove, and the convex edge is clamped in the groove.

Through adopting above-mentioned technical scheme, set up protruding edge at the link periphery of shell to offer at the inner peripheral wall of suction nozzle with protruding edge joint complex recess, compare in threaded connection, the disturbance of the mode of elasticity joint to the inside subassembly of electronic atomizer is littleer, easy and simple to handle moreover, upwards pull up the suction nozzle can change the protection filter core.

Optionally, two opposite sides of the peripheral wall of the suction nozzle are recessed inwards to form a handheld part.

Through adopting above-mentioned technical scheme, when changing the protection filter core, set up sunken handheld portion and can make the suction nozzle more easily grasp.

Optionally, a closed cooling chamber is arranged on the periphery of the air suction pipe, the cooling chamber is fixedly connected with the suction nozzle, and cooling liquid is filled in the cooling chamber.

Through adopting above-mentioned technical scheme, heating atomizing tobacco tar temperature is higher, and the inhalation is too fast to have the condition of scalding the mouth, sets up cooling chamber outside the breathing pipe of suction nozzle to pack the coolant liquid in cooling chamber, cool down atomizing tobacco tar, avoid hot cigarette to scald the mouth as far as possible.

Optionally, the cooling liquid is water.

By adopting the technical scheme, water is adopted as cooling liquid, the specific heat capacity of the water is relatively large, the heat absorption capacity is strong, and the water is nontoxic and harmless and has low cost.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the protective filter element is in a mode of combining the liquid suction core and the filtering membrane, the liquid suction core can avoid oil frying caused by heating when the liquid suction core is mixed with the condensed water through absorbing saliva as much as possible, and the safety of the electronic atomizer is improved; the filtering membrane is used for adsorbing and filtering harmful substances such as nicotine, tar, viruses and the like in tobacco tar and air, so that the safety of the electronic atomizer is improved from the health perspective.

2. Install the breathing pipe tip at the suction nozzle with the protection filter core, the oil storage tank plays the bearing effect to the protection filter core, and the person of inhaling inhales from the suction nozzle, and tobacco tar and air after the atomizing are discharged from the breathing pipe after the protection filter core filters, can filter the harmful substance in air and the tobacco tar, has improved electronic atomizer's health security.

Drawings

Fig. 1 is a schematic structural view of a protective filter cartridge according to an embodiment of the present application.

Fig. 2 is an exploded schematic view of a protective filter cartridge according to an embodiment of the present application.

Fig. 3 is a schematic view of the internal structure of the electronic atomizer according to the embodiment of the present application (arrows in the figure indicate the gas flow direction).

Reference numerals illustrate:

1. a wick; 11. a communication hole; 2. a filtering membrane; 21. a protective layer; 22. a spunbond layer; 221. air holes; 3. a housing; 31. a connection end; 311. a convex edge; 4. an atomizing assembly; 5. an oil storage tank; 6. a suction nozzle; 61. an air suction pipe; 62. a groove; 63. a hand-held part; 7. and cooling the chamber.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a protection filter core.

Referring to fig. 1, a protective filter element for an electronic atomizer comprises a liquid suction core 1 and a filter membrane 2, wherein a communication hole 11 communicated with the inside of the electronic atomizer is formed in the center of the liquid suction core 1, and the filter membrane 2 is attached to and fixed on the hole wall of the communication hole 11. The liquid suction core 1 is used for absorbing saliva and condensate, so as to avoid frying oil caused by oil-liquid mixing in the heating process as much as possible; the filter membrane 2 is used for filtering harmful substances such as virus, bacteria, nicotine, tar and the like in air and tobacco tar, and the atomized tobacco tar is discharged out of the electronic atomizer through the filter membrane 2.

Referring to fig. 2, the wick 1 has a porous structure and takes the shape of a disk because a sponge has a good water absorbing ability, and a sponge is preferable as the wick 1. The liquid suction core 1 can avoid the mixture of condensed water or saliva and tobacco tar as much as possible, and reduces the probability of oil mixing and frying, thereby improving the safety of the electronic atomizer and reducing the possibility of moisture and short circuit of electronic elements in the electronic atomizer. The communication hole 11 is located at the center of the wick 1, and the filtration membrane 2 is bonded and fixed to the wall of the communication hole 11 by adhesion.

Referring to fig. 2, the filter membrane 2 comprises a coaxially nested protective layer 21 and a spunbond layer 22. The protective layer 21 is made of non-woven fabric, and can effectively filter harmful substances such as viruses, bacteria, nicotine, tar and the like. The surface of the spun-bonded layer 22 is densely provided with air holes 221, which is convenient for gas circulation, the spun-bonded layer 22 covers the hole wall of the communication hole 11 and is glued and fixed with the liquid suction core 1; the side of the spunbond layer 22 facing away from the wick 1 is secured to the protective layer 21 by means of thermoforming. The spunbond layers 22 and the protective layers 21 are fixed by hot pressing only at the edges of the two axial ends, so that the occupied area for connection and fixation can be reduced as much as possible, the effective protective area is increased, and the air permeability of the filter membrane 2 is improved. The spun-bonded layer 22, which serves as a connection layer, is fixed to the wick 1 to protect the protective layer 21 from adhesive damage to the protective layer 21.

The embodiment of the application discloses an electronic atomizer applying the protective filter element.

Referring to fig. 3, the electronic atomizer to which the above-described protective cartridge is applied includes a housing 3, a suction nozzle 6, and a protective cartridge. The protection filter core is located inside the shell 3, and the suction nozzle 6 is used for shutoff shell 3. The suction nozzle 6 is fixedly connected with the air suction pipe 61 inside, the protection filter core is installed in the bottom of the air suction pipe 61, a smoker inhales from the suction nozzle 6, atomized tobacco tar and air are discharged from the air suction pipe 61 after being filtered by the protection filter core, harmful substances in the air and the tobacco tar can be filtered, and the health safety of the electronic atomizer is improved.

Referring to fig. 3, the casing 3 is hollow and cylindrical, an atomization assembly 4 and an oil storage tank 5 are sequentially installed inside the casing 3 from bottom to top along the axial direction, the atomization assembly 4 is communicated with the atmosphere through an air suction pipe 61, the atomization assembly 4 is connected with an electronic element, and tobacco tar is heated and atomized through an electric heating wire; the oil storage tank 5 is located at the middle part of the shell 3 and is cylindrical, and supplies tobacco tar for the atomization assembly 4. The protection filter core is extruded and fixed between the air suction pipe 61 and the oil storage tank 5, the oil storage tank 5 plays a role in supporting the protection filter core, and the circumferential wall of the liquid suction core 1 abuts against the inner wall of the suction nozzle 6. The communication hole 11 is coaxially communicated with the air suction pipe 61, and the shape and the aperture of the communication hole 11 are determined according to the air suction pipe 61, so that the ventilation efficiency can be improved.

Referring to fig. 3, for replacement of the protective cartridge, the mouthpiece 6 is detachably connected to the housing 3. The end of the shell 3, which is close to the suction nozzle 6, is a connecting end 31, a convex edge 311 is arranged around the outer peripheral wall of the connecting end 31, a groove 62 is formed in the inner peripheral wall of the end of the suction nozzle 6, which is close to the shell 3, and the convex edge 311 is clamped in the groove 62, so that the elastic clamping connection between the shell 3 and the suction nozzle 6 is realized. Compared with threaded connection, the mode of elastic clamping is smaller in disturbance to the internal components of the electronic atomizer, operation is simple and convenient, and the protective filter element can be replaced by pulling up the suction nozzle 6. The caliber of one end of the suction nozzle 6 far away from the shell 3 is gradually reduced, so that the suction nozzle is more convenient for a user to suck. In order to facilitate the gripping of the suction nozzle 6 when the protective filter element is replaced, two inwardly recessed holding portions 63 are respectively provided on opposite sides of the peripheral wall of the suction nozzle 6, and the two holding portions 63 are symmetrically distributed about the axis of the suction nozzle 6.

Referring to fig. 3, the heated atomized tobacco tar is inhaled too quickly and there is a hot mouth. The periphery of the suction pipe 61 of the suction nozzle 6 is provided with a closed cooling chamber 7, the pipe wall of the suction pipe 61 is also the side wall of the cooling chamber 7, a ring-shaped cavity is arranged in the cooling chamber 7, and the cooling chamber 7 is fixedly connected with the suction nozzle 6 in an integrated forming mode. The cooling chamber 7 is filled with cooling liquid to cool atomized tobacco tar, so as to avoid hot smoke scalding as much as possible. Preferably, water is used as cooling liquid, the specific heat capacity of the water is relatively large, the heat absorption capacity is strong, and the water is nontoxic and harmless and has low cost.

The implementation principle of the protection filter element and the electronic atomizer in the embodiment of the application is as follows: when a user sucks the electronic atomizer, the suction nozzle 6 is sucked, air enters the electronic atomizer, atomized tobacco tar and air form aerosol, the aerosol passes through the liquid suction core 1 and then passes through the air holes 221 of the spun-bond layer 22 to reach the protective layer 21, the protective layer 21 filters harmful substances such as viruses, bacteria, nicotine and the like, and when the filtered aerosol passes through the air suction pipe 61, the aerosol is cooled by the cooling liquid and finally sucked and enjoyed by the user.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A protective filter cartridge for an electronic atomizer, comprising:

the liquid suction device comprises a liquid suction core (1), wherein the liquid suction core (1) is of a porous structure and is used for absorbing saliva and condensate, and a communication hole (11) is formed in the liquid suction core (1);

the filtering membrane (2), filtering membrane (2) laminate in the pore wall of intercommunicating pore (11), filtering membrane (2) are arranged in filtering air and harmful substance in the tobacco tar, and the tobacco tar after atomizing is permeated filtering membrane (2) discharge electron atomizer.

2. A protective filter cartridge as defined in claim 1, wherein: the filtering membrane (2) comprises a protective layer (21) and a spun-bonded layer (22) which are coaxially nested, a plurality of air holes (221) are formed in the surface of the spun-bonded layer (22), the spun-bonded layer (22) covers the hole wall of the communication hole (11), the protective layer (21) is fixed on one surface, deviating from the liquid absorption core (1), of the spun-bonded layer (22), and the protective layer (21) is made of non-woven fabrics.

3. An electronic atomizer employing the protective filter cartridge of any one of claims 1 or 2, comprising:

the shell (3), the shell (3) is hollow tube-shaped, an atomization assembly (4) and an oil storage tank (5) are axially arranged inside the shell (3), and the oil storage tank (5) is used for supplying oil to the atomization assembly (4);

a suction nozzle (6), wherein the suction nozzle (6) is fixedly connected with the shell (3), an air suction pipe (61) is axially arranged in the suction nozzle (6), and the air suction pipe (61) communicates the atomization assembly (4) with the atmosphere;

the protection filter element is positioned between the oil storage tank (5) and the air suction pipe (61), and the communication hole (11) is coaxially communicated with the air suction pipe (61).

4. An electronic atomiser according to claim 3, characterised in that: the shell (3) is detachably connected with the suction nozzle (6).

5. The electronic atomizer of claim 4 wherein: the one end that shell (3) is close to suction nozzle (6) is link (31), link (31) encircle the periphery and are equipped with protruding edge (311), suction nozzle (6) are close to one end inner peripheral wall of shell (3) is opened flutedly (62), protruding edge (311) card is located in recess (62).

6. The electronic atomizer of claim 5 wherein: opposite sides of the peripheral wall of the suction nozzle (6) are recessed inwards to form a holding part (63).

7. An electronic atomiser according to claim 3, characterised in that: the periphery of the air suction pipe (61) is provided with a closed cooling cavity (7), the cooling cavity (7) is fixedly connected with the suction nozzle (6), and cooling liquid is filled in the cooling cavity (7).

8. The electronic atomizer of claim 7 wherein: the cooling liquid is water.