CN218921646U - Electronic atomizer - Google Patents

Abstract

The utility model provides an electronic atomizer, which comprises a suction nozzle; an oil cup, part of which is filled into the suction nozzle; an atomizing assembly, which is partially filled into the oil cup; one end of the outer tube body is connected with the suction nozzle in a clamping way; the tail cover is accommodated at the other end of the outer pipe body, the tail cover is provided with a back-shaped bulge and an air hole, the back-shaped bulge is positioned at the outer side of the tail cover, a part close to the upper end of the tail cover extends to surround the tail cover along the circumferential direction, the back-shaped bulge is propped against the inner side wall of the outer pipe body, one side of the tail cover, which is away from the back-shaped bulge, is provided with an accommodating cavity, the side surface of the tail cover, which is positioned below the back-shaped bulge, is inwards provided with an air channel groove, the air channel groove extends into the tail cover and is communicated with the accommodating cavity, the air hole is arranged at the upper end of the tail cover, the air hole extends downwards to enable the air hole, the air channel groove and the accommodating cavity to be sequentially communicated from top to bottom; the airflow sensor is arranged in the accommodating cavity; one part of the power supply component is arranged in the tail cover and is electrically connected with the airflow sensor, and the other part of the power supply component is arranged on the outer pipe body and is electrically connected with the atomization component; wherein, oil cup and atomizing subassembly all are located the outer tube body.

Description

Electronic atomizer

Technical Field

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

Background

The electronic atomizer comprises a suction nozzle, an atomization assembly, an airflow sensor, a power supply battery and the like. When a user sucks the electronic atomizer through the suction nozzle, gas enters through the air passage, the air flow sensor senses the sucking action, the characteristic level of the air flow sensor is converted, the external output is started, the power supply battery supplies power to the atomizing assembly, and the heating body in the atomizing assembly is electrified to generate heat so that tobacco tar is atomized for the user to suck.

In the existing electronic atomizers, most of the airflow sensors are provided with profiling silica gel with similar outer tubes, a bracket is arranged in each outer tube, the airflow sensors are filled with the silica gel, and the outer tubes are filled with the silica gel after being filled with the silica gel. The profiling silica gel changes along with the shape of the outer tube, the sealing device is arranged in the outer tube, when a user sucks, gas enters from the gas channel, at the moment, the two ends of the gas flow sensor form gas pressure difference, and when negative pressure with a certain value or more is generated, the gas flow sensor is started to enable the atomization assembly to start working. However, the profiling silica gel similar to the outer tube has low commonality or universality, needs to customize a new die to meet, increases the research and development workload, and has high requirement on accuracy of profiling data due to the requirement of secondary fluidization of silica gel parts, so that the cost of a finished product is high; the airflow sensor is additionally required to be installed into profiling silica gel by a person, the silica gel area is large, soft silica gel is installed into a hard outer tube, the operation is difficult, and the production efficiency is reduced.

Disclosure of Invention

The utility model aims to provide an electronic atomizer which is used for solving the problems in the background technology.

The technical scheme for achieving the purpose of the utility model is as follows: the present utility model provides an electronic atomizer, comprising:

a suction nozzle;

an oil cup partially filled into the suction nozzle;

an atomizing assembly partially enclosed within the oil cup;

one end of the outer tube body is connected with the suction nozzle in a clamping way;

the tail cover is accommodated at the other end of the outer pipe body, a back-shaped bulge and an air hole are formed in the tail cover, the back-shaped bulge is positioned at the outer side of the tail cover, a part close to the upper end of the tail cover extends to surround the tail cover along the circumferential direction, the back-shaped bulge is propped against the inner side wall of the outer pipe body, an accommodating cavity is formed in one side, away from the back-shaped bulge, of the tail cover, an air passage groove is formed in the side surface, located below the back-shaped bulge, of the tail cover, the air passage groove extends inwards to the tail cover and is communicated with the accommodating cavity, the air hole is formed in the upper end of the tail cover, the air hole extends downwards, and the air hole, the air passage groove and the accommodating cavity are sequentially communicated from top to bottom;

an air flow sensor arranged in the accommodating cavity;

one part of the power supply component is arranged in the tail cover and is electrically connected with the airflow sensor, and the other part of the power supply component is arranged on the outer pipe body and is electrically connected with the atomizing component;

wherein, the oil cup with atomizing subassembly all is located in the outer tube.

In an embodiment of the present utility model, the rectangular protrusion includes a first portion and a second portion, the upper and lower surfaces of the first portion extend to both ends of the tail cap, the air passage groove extends to the outer side surface of the tail cap to the outer surface of the first portion, and the second portion is connected to the upper surface of the first portion and surrounds the tail cap along the circumferential direction of the tail cap.

In an embodiment of the utility model, the oil cup comprises a protruding structure and a mounting through hole for mounting connection, wherein the mounting through hole is positioned in the middle of the oil cup, and the protruding structure is arranged at two sides of the mounting through hole; the atomization assembly comprises a central tube, the central tube is accommodated in the installation through hole, and one end of the central tube extends into the suction nozzle to be communicated with the suction nozzle.

In an embodiment of the utility model, the atomization assembly further comprises an oil guiding cotton and a heating assembly, the heating assembly comprises a heating main body and an electrode nail, the oil guiding cotton is sleeved on the heating main body, the oil guiding cotton and the heating main body are arranged in the central tube, the electrode nail is connected to a pin of the heating main body, and the electrode nail is directly connected with the oil cup by inserting the protruding structure.

In an embodiment of the utility model, the power supply assembly further includes a power supply device and a circuit board, the heating assembly and the power supply device are respectively and electrically connected with the circuit board, the airflow sensor is attached to one side of the circuit board, and the circuit board is located on the tail cover.

In an embodiment of the utility model, a charging interface is disposed on the other side of the circuit board, and the power supply device is electrically connected with an external power supply through the charging interface and a charging wire.

In an embodiment of the utility model, the electronic atomizer further comprises a sealing element, the sealing element comprises a first sealing part and a second sealing part which are coaxially and sequentially connected, the first sealing part is sleeved on the airflow sensor, the second sealing part is bent towards the direction close to the axis compared with the first sealing part, the second sealing part is sleeved on one end, far away from the circuit board, of the airflow sensor, and the bending part is abutted against the end face of the airflow sensor.

In one embodiment of the present utility model, the circuit board is provided with a first functional hole, and the first functional hole is respectively communicated with a second functional hole on the airflow sensor and the air passage groove.

In an embodiment of the utility model, the tail cover is further provided with a communication hole, one end of the communication hole is communicated with the outside, and the other end of the communication hole is communicated with the first functional hole on the circuit board.

In an embodiment of the utility model, the electronic atomizer further comprises a suction nozzle connecting piece, wherein the suction nozzle connecting piece is located between the suction nozzle and the oil cup and is respectively in clamping connection with the suction nozzle and the oil cup.

Compared with the prior art, the utility model has the beneficial effects that: in the electronic atomizer, the tail cover is provided with the back-shaped bulge, the air hole, the accommodating cavity and the air passage groove, the air hole is formed in the front end of the air passage groove, the back-shaped bulge is clung to the inner wall of the outer pipe body to form a simple air passage through which air flows, the air flow sensor is arranged in the accommodating cavity, profiling silica gel similar to the outer pipe at the air flow sensor is omitted, the mould is not required to be opened for customizing the profiling silica gel, the cost is reduced, the operation in the process of assembling the air flow sensor is simple and convenient, the labor cost is saved, and the research and development workload is reduced.

Drawings

Fig. 1 is a schematic diagram of an explosion structure of an electronic atomizer according to an embodiment of the present utility model.

Fig. 2 is a schematic structural view of a view angle of the tail cap of the electronic atomizer shown in fig. 1.

Fig. 3 is a schematic structural view of the tail cap of the electronic atomizer shown in fig. 1 from another view.

Fig. 4 is a front view of an electronic atomizer according to an embodiment of the present utility model.

Fig. 5 is a cross-sectional view A-A of the electronic atomizer shown in fig. 4.

Fig. 6 is a side view of an electronic atomizer according to an embodiment of the utility model.

Fig. 7 is a B-B cross-sectional view of the electronic atomizer shown in fig. 6.

Fig. 8 is a schematic diagram of the structure of an oil cup of the electronic atomizer shown in fig. 1.

Fig. 9 is a schematic structural view of a sealing member of the electronic atomizer shown in fig. 1.

Fig. 10 is a schematic structural view of a circuit board and an airflow sensor of the electronic atomizer shown in fig. 1 at a viewing angle.

Fig. 11 is a schematic structural view of the electronic atomizer shown in fig. 1 from another perspective, in which the circuit board and the air flow sensor are attached and fixed.

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.

Referring to fig. 1-3, an electronic atomizer according to an embodiment of the present utility model includes: a suction nozzle 10; an oil cup 30 partially fitted into the suction nozzle 10; an atomizing assembly 40, partially enclosed in the cup 30; an outer tube 50, one end of which is connected with the suction nozzle 10 in a clamping way; the tail cover 60 is accommodated at the other end of the outer tube body 50, the tail cover 60 is provided with a circular protrusion 61 and an air hole 62, the circular protrusion 61 is positioned at the outer side of the tail cover 60 and is abutted against the inner side wall of the outer tube body 50, the upper outer surface and the lower outer surface of the circular protrusion 61 extend to the two ends of the tail cover 60, one side of the tail cover 60, which is far away from the circular protrusion 61, is provided with an accommodating part 63, the upper end of the accommodating part 63 is abutted with the tail cover 60, an accommodating cavity 65 is arranged in the middle of the accommodating part 63, an air channel groove 64 is formed in the middle of the circular protrusion 61, the air channel groove 64 extends into the tail cover 60 to be communicated with the accommodating cavity 65, the air hole 62 is arranged at the upper end of the tail cover 60, and the air hole 62 extends downwards to be communicated with the accommodating cavity 65; an air flow sensor 70 located in the tail cap 60 and mounted to the receiving chamber 65; a power supply assembly 80, a part of which is installed in the tail cap 60 and is electrically connected with the airflow sensor 70, and the other part of which is installed in the outer tube body 50 and is electrically connected with the atomizing assembly 40; wherein the oil cup 30 and the atomizing assembly 40 are both positioned within the outer tube 50.

Specifically, the rectangular protrusion 61 includes a first portion 611 and a second portion 612, wherein an upper surface and a lower surface of the first portion 611 extend to two ends of the tail cap 60, the air channel 64 extends to an outer surface of the first portion 611 toward an outer side surface of the tail cap 60, and the second portion 612 is connected to the upper surface of the first portion 611 and surrounds the tail cap 60 along a circumferential direction of the tail cap 60.

In the electronic atomizer, the tail cover is provided with the square-shaped bulge 61, the air hole 62, the accommodating cavity 63 and the air passage groove 64, the air hole 62 is arranged at the front end of the air passage groove 64, the square-shaped bulge 61 is clung to the inner wall of the outer tube body 50 to form a simple air passage for air to flow through, and the air flow sensor is arranged in the accommodating cavity, so that profiling silica gel similar to the outer tube at the position of the air flow sensor 70 is omitted, the profiling silica gel is not required to be customized by opening a mould, the cost is reduced, the operation in the process of assembling the air flow sensor is simple and convenient, the labor cost is saved, and meanwhile, the research and development workload is reduced.

In this embodiment, the electronic atomizer further includes a suction nozzle connector 20, and the suction nozzle connector 20 is located between the suction nozzle 10 and the oil cup 30 and is respectively engaged with the suction nozzle 10 and the oil cup 30. Specifically, the suction nozzle connector 20 may be silica gel, and a part of the suction nozzle connector is accommodated in the suction nozzle 10, and the other part of the suction nozzle connector is accommodated in the oil cup 30, and is mainly used for connecting the suction nozzle 10 and the oil cup 30; and also plays a role in sealing oil, and prevents the tobacco tar in the oil cup 30 from leaking from the joint.

Specifically, referring to fig. 4 to 7, the suction nozzle connecting member 20 is provided with a first through hole 21, a second through hole 22 and a third through hole 23, the first through hole 21 is located in the middle of the suction nozzle connecting member 20, and the second through hole 22 and the third through hole 23 are located at two sides of the first through hole 21 respectively; the suction channel 11 is arranged in the middle of the suction nozzle 10, the suction nozzle 10 is in positioning connection with the rabbets of the first through hole 21, the second through hole 22 and the third through hole 23 of the suction nozzle connecting piece 20, and the suction channel 11 is communicated with the first through hole 21 of the suction nozzle connecting piece 20. The upper end of the center tube 41 is received in the first through hole 21 and extends out of the first through hole 21 to communicate with the suction passage 11, and the lower end of the center tube 41 is received in the mounting through hole 32 on the oil cup 30. It will be appreciated that the axis of the first through hole 21, the axis of the central tube 41 and the axis of the mounting through hole 32 coincide with each other.

In this embodiment, please refer to fig. 8 in combination, the oil cup 30 includes a protruding structure 31 for mounting connection and a mounting through hole 32, the mounting through hole 32 is located in the middle of the oil cup 30, and the protruding structure 31 is located at both sides of the mounting through hole 32. The atomizing assembly 40 comprises a central tube 41, an oil guide cotton 42 and a heating assembly 43, wherein the central tube 41 is accommodated in the installation through hole 32, one end of the central tube 41 extends into the suction nozzle 10 to be communicated with the suction nozzle 10, and the other end of the central tube is communicated with an air hole 62 on the tail cover 60; the heating component 43 comprises a heating main body 431 and electrode nails 432, the heating main body 431 is sleeved with the oil guide cotton 42, the oil guide cotton 42 and the heating main body 431 are arranged in the central tube 41, the electrode nails 432 are connected to pins 4311 of the heating main body 431, and the electrode nails 432 are directly connected with the oil cup 30 through the insertion convex structures 31.

Specifically, the electrode nail 432 may be connected to the heat generating body 431 by welding, and functions to receive the current/voltage of the power supply assembly 80 and transmit to the heat generating body 431 to generate heat. The central tube 41 may be designed to be stepped, the diameter of the first section is smaller than that of the second section, and the oil-guiding cotton 42 is wound outside the heating body 431 and placed in the second section of the central tube 41 together with the heating body 431. An oil inlet 411 is formed in the second section of the central tube 41, tobacco tar is stored in the oil storage cavity 33 of the oil cup 30, the tobacco tar in the oil storage cavity 33 is in contact with the oil guide cotton 42 through the oil inlet 411, and the heating main body 431 atomizes the tobacco tar in the oil guide cotton 42 to generate smoke through heating action for a user to inhale. Wherein the oil guiding cotton 42 plays roles of oil blocking, oil guiding and oil homogenizing.

In the prior art, the oil cup 30 in most electronic atomizer structures is provided with a silica gel part, the electrode nail 432 is fixed in the silica gel part, the silica gel part is changed along with the shape of the oil cup 30, the practicability or the universality is low, a new die is required to be opened for meeting, the silica gel part is required to be fluidized for the second time, the profiling degree requirement is high, so the cost of a finished product is high, meanwhile, the silica gel part is required to be filled into the oil cup 30 by one person by using the silica gel part, the area of the silica gel part is large, the soft silica gel part is difficult to be filled into the hard oil cup 30, and the operation cost is high; in the embodiment, the bottom of the oil cup 30 is directly provided with the convex structure 31, and the electrode nail 432 can be inserted into the convex structure 31; the setting up protruding structure 31 has omitted the silica gel part, has reduced the operation degree of difficulty, promotes work efficiency, has saved cost of labor and manufacturing cost.

In this embodiment, the power supply assembly 80 further includes a power supply device 81 and a circuit board 82, the heating assembly 43 and the power supply device 81 are electrically connected with the circuit board 82, the electronic atomizer further includes a sealing member 90, the sealing member 90 includes a first sealing portion 91 and a second sealing portion 92 which are coaxially and sequentially connected, please refer to fig. 9, the first sealing portion 91 is sleeved on the airflow sensor 70, the second sealing portion 92 is bent in a direction close to the axis compared with the first sealing portion 91, the second sealing portion 92 is sleeved on one end of the airflow sensor 70 away from the circuit board 82, and the inner side of the bending portion abuts against the end face of the airflow sensor 70, when the whole sealing member 90 is placed in the accommodating cavity 65, the outer side of the bending portion abuts against the inner wall of the accommodating cavity 65, and the sealing effect is better improved.

Specifically, the power supply device 81 may be a battery; the sealing member 90 can be a silica gel ring which is a public material, and can be purchased in batches without die opening or redesigning; the circuit board 82 may be a mounted Printed Circuit Board (PCBA); the air flow sensor 70 may be a microphone; the accommodating cavity 65 may be a cylindrical accommodating cavity, the diameter of the accommodating cavity 65 is larger than that of the airflow sensor 70, and for example, a silica gel ring with a diameter of 7.8mm is filled around the accommodating cavity 65. The airflow sensor 70 is located in the accommodating cavity 65, and the sealing member 90 is used for filling a gap between the airflow sensor 70 and the accommodating cavity 65, so that no air leakage exists between the airflow sensor 70 and the accommodating cavity 65, and a user can smoothly generate negative pressure of more than-250 pa during smoking, so that the airflow sensor 70 is started.

Specifically, no silica gel is present at the bottom of the oil cup 30, the electrode nail 432 is directly inserted and riveted into the raised structure 31 additionally arranged at the bottom of the oil cup 30, the electronic wire of the circuit board 82 is directly welded to the electrode nail 432, then the electronic wire of the circuit board 82 is welded to the power supply device 81, the oil cup 30, the central tube 41, the heating body 43, the electrode nail 432 and the power supply device 81 are well connected, and heating mist can be performed when the user sucks. The electrode nail 432 is tightly matched with the convex structure 31 at the bottom of the oil cup 30, the holding force is large, the electrode nail 432 is prevented from being pulled out, hidden danger that the holding force is insufficient and the electrode nail is easy to fall off when a silica gel part is arranged at the bottom of the oil cup 30 is avoided, and the purposes of stabilizing the atomizing function and guaranteeing more are achieved when few parts are arranged.

In this embodiment, referring to fig. 10-11, the airflow sensor 70 is directly attached to the circuit board 82, so that the airflow sensor 70 can omit 3 connection wires and the welding cost of 3 points, and is replaced by attaching the patch to the circuit board 82. The circuit board 82 is provided with a first functional hole 821, the first functional hole 821 is respectively communicated with a second functional hole and the air channel 64 on the air flow sensor 70, meanwhile, the other side of the circuit board 82 is provided with a charging interface 822, and the power supply device 81 is electrically connected with an external power supply through the charging interface 822 and a charging wire. The charging interface 822 is a USB interface. Specifically, the first functional hole 821 may be a hole of various shapes such as a triangle, a circle, and the like.

Further, the electrode nail 432 is inserted into and riveted into the bump structure 31, the electrode nail 432, the pin 4311 of the heating body 431 and the heating body 431 are communicated, after the electrode nail 432 is connected to the electronic wire on the circuit board 82, the connecting wire of the circuit board 82 is welded to the power supply device 81, the oil cup 30, the central tube 41, the heating body 431, the electrode nail 432, the power supply device 81 and the circuit board 82 are connected, and atomization work can be performed during suction.

In this embodiment, the tail cap 60 is further provided with a communication hole 66, one end of the communication hole 66 is communicated with the outside, and the other end is communicated with a first functional hole 821 on the circuit board 82. Specifically, the air passage groove 64, the air hole 62, the first functional hole 821 and the second functional hole of the air flow sensor 70 are communicated, when a user performs suction action, negative pressure of more than-250 pa is generated, and the air flow sensor 70 can start the atomizing assembly 40 to heat and atomize for sucking by the user.

The working principle of the electronic atomizer in this embodiment is as follows: when a user smokes by using the electronic cigarette, the suction channel 11 of the suction nozzle 10 is used for sucking air, air pressure difference is generated between the upper side and the lower side of the air flow sensor 70, the air flow sensor 70 is driven to form negative pressure, the air flow sensor 70 is started at the same time, the air flow sensor 70 responds to a control circuit of the trigger circuit board 82, a power supply device 81 connected to the circuit board 82 supplies power to the electrode nail 432, the electrode nail 432 is connected with a pin 4311 of the heating main body 431, the heating main body 431 is connected with the power supply device 81 to start heating, tobacco oil flows into the oil guide cotton 42 through the oil inlet 411, and at the moment, the heating main body 431 generates high temperature through heating to atomize the tobacco oil in the oil guide cotton so as to produce smoke; the external air flow enters from the communication hole 66, flows through the first functional hole 821, the second functional hole of the air flow sensor 70, the air passage groove 64, and the air hole 62 to the central tube 41, and brings the smoke generated by heating and atomizing the heating body 431 from the central tube 41 to the suction passage 11 of the suction nozzle 10 for the user to suck.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. An electronic atomizer, comprising:

a suction nozzle (10);

an oil cup (30) partially fitted into the suction nozzle (10);

an atomizing assembly (40) partially enclosing the oil cup (30);

an outer tube body (50), one end of which is connected with the suction nozzle (10) in a clamping way;

the tail cover (60) is accommodated at the other end of the outer tube body (50), a back-shaped bulge (61) and an air hole (62) are formed in the tail cover (60), the back-shaped bulge (61) is located at the outer side of the tail cover (60), a part close to the upper end of the tail cover (60) extends to surround the tail cover (60) along the circumferential direction, the back-shaped bulge (61) abuts against the inner side wall of the outer tube body (50), an accommodating cavity (65) is formed in one side, deviating from the back-shaped bulge (61), of the tail cover (60) and is located below the back-shaped bulge (61), an air channel groove (64) is formed in the side surface of the tail cover (60) and extends inwards to the tail cover (60) to be communicated with the accommodating cavity (65), the air hole (62) is formed in the upper end of the tail cover (60), the air hole (62) extends downwards, and the air channel (62), the air channel groove (64) and the accommodating cavity (65) are sequentially communicated with each other downwards.

An air flow sensor (70) arranged in the accommodating cavity (65);

a power supply assembly (80), a part of which is installed in the tail cover (60) and is electrically connected with the airflow sensor (70), and the other part of which is installed in the outer pipe body (50) and is electrically connected with the atomization assembly (40);

wherein the oil cup (30) and the atomizing assembly (40) are both located within the outer tube (50).

2. The electronic atomizer according to claim 1, wherein the rectangular protrusion (61) includes a first portion (611) and a second portion (612), the first portion (611) extends to both ends of the tail cap (60) in an up-down direction, the air passage groove (64) extends to an outer surface of the first portion (611) toward an outer side surface of the tail cap (60), and the second portion (612) is connected to an upper surface of the first portion (611) and surrounds the tail cap (60) in a circumferential direction of the tail cap (60).

3. The electronic atomizer according to claim 1, wherein the oil cup (30) comprises a protruding structure (31) for mounting connection and a mounting through hole (32), the mounting through hole (32) is located in the middle of the oil cup (30), and the protruding structure (31) is located at both sides of the mounting through hole (32); the atomizing assembly (40) comprises a central tube (41), wherein the central tube (41) is accommodated in the mounting through hole (32), and one end of the central tube extends into the suction nozzle (10) to be communicated with the suction nozzle (10).

4. An electronic atomizer according to claim 3, wherein the atomizing assembly (40) further comprises an oil guiding cotton (42) and a heating assembly (43), the heating assembly (43) comprises a heating main body (431) and an electrode nail (432), the oil guiding cotton (42) is sleeved on the heating main body (431), the oil guiding cotton (42) and the heating main body (431) are arranged in the central tube (41), the electrode nail (432) is connected to a pin (4311) of the heating main body (431), and the electrode nail (432) is directly connected with the oil cup (30) by being inserted into the protruding structure (31).

5. The electronic atomizer according to claim 4, wherein the power supply assembly (80) further comprises a power supply device (81) and a circuit board (82), the heat generating assembly (43) and the power supply device (81) are respectively electrically connected with the circuit board (82), the air flow sensor (70) is attached to one side of the circuit board (82), and the circuit board (82) is located on the tail cap (60).

6. The electronic atomizer according to claim 5, wherein a charging interface (822) is provided on the other side of the circuit board (82), and the power supply device (81) is electrically connected to an external power supply through the charging interface (822) and a charging wire.

7. The electronic atomizer according to claim 5, further comprising a sealing member (90), wherein the sealing member (90) comprises a first sealing portion (91) and a second sealing portion (92) which are coaxially and sequentially connected, the first sealing portion (91) is sleeved on the air flow sensor (70), the second sealing portion (92) is bent in a direction close to the axis as compared with the first sealing portion (91), the second sealing portion (92) is sleeved on one end, far away from the circuit board (82), of the air flow sensor (70), and the bent portion abuts against the end face of the air flow sensor (70).

8. The electronic atomizer according to claim 5, wherein the circuit board (82) is provided with a first functional hole (821), the first functional hole (821) being in communication with a second functional hole on the air flow sensor (70) and the air passage groove (64), respectively.

9. The electronic atomizer according to claim 8, wherein the tail cap (60) is further provided with a communication hole (66), one end of the communication hole (66) is communicated with the outside, and the other end of the communication hole is communicated with the first functional hole (821) on the circuit board (82).

10. The electronic atomizer according to claim 1, further comprising a nozzle connection (20), the nozzle connection (20) being located between the nozzle (10) and the oil cup (30) and being in snap connection with the nozzle (10) and the oil cup (30), respectively.

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