CN221265265U - Electronic cigarette with high sensitivity - Google Patents

Abstract

The utility model discloses an electronic cigarette with high sensitivity, which comprises a suction nozzle part, an outer shell, an atomization assembly and a battery assembly, wherein the atomization assembly and the battery assembly are arranged in the outer shell, the atomization assembly comprises a liquid storage cup for storing atomized liquid and an atomization core for heating and evaporating the atomized liquid, the battery assembly comprises a battery for providing power for the atomization core and a PCB control board, the suction nozzle part is arranged at one end of the outer shell and is connected with the atomization assembly, an airflow induction channel and an airflow sensor are arranged in the suction nozzle part, and the airflow sensor is arranged in the airflow induction channel. The electronic cigarette has the advantages that the air flow sensor is arranged in the suction port, the distance between the air flow sensor and the suction port can be shortened maximally, so that the air flow generated when a user smokes can be perceived more quickly, the air flow sensor is triggered more quickly, and the electronic cigarette is more sensitive to work.

Description

Electronic cigarette with high sensitivity

Technical Field

The utility model relates to the technical field of electronic atomization, in particular to an electronic cigarette with high sensitivity.

Background

The prior electronic cigarette generally comprises a battery assembly and an atomization assembly, wherein a battery and a control circuit for supplying power to the electronic cigarette are arranged in the battery assembly, the atomization assembly comprises a heating unit, and when the heating unit is electrified, a solution to be atomized, namely atomized liquid, can be atomized into vapor, aerosol or electronic cigarette smoke for a user to inhale in a suction inlet, and the atomized liquid comprises smoke liquid or liquid medicine, herbal essence and the like.

In the existing electronic cigarette, the air flow sensor is generally arranged in the battery assembly and shares an air inlet channel with the smoke channel, and the battery assembly is generally far away from the suction port, so that the resistance encountered by the air flow is large, the air flow generated during smoking of a user needs a period of time to trigger the air flow sensor, thus the air flow generated during smoking of the user cannot be sensed instantaneously, and the heating element is slower to start when being electrified, so that the electronic cigarette is not sensitive enough.

Disclosure of Invention

The utility model aims to overcome the defects of the technology and provide the electronic cigarette with high sensitivity.

The technical scheme of the utility model is realized as follows: the utility model provides an electron cigarette with high sensitivity, includes suction nozzle portion, shell body, atomizing subassembly and battery pack are located in the shell body, atomizing subassembly is including the stock solution cup of storing the atomized liquid and the atomizing core that is used for heating the evaporation atomized liquid, battery pack include for atomizing core provides battery and the PCB control panel of power, suction nozzle portion locates the one end of shell body and with atomizing subassembly is connected, the upper end of suction nozzle portion is equipped with the suction inlet, be equipped with air current induction channel and air current sensor in the suction nozzle portion, air current sensor locates in the air current induction channel.

Preferably, the suction nozzle part comprises a suction nozzle shell and a suction nozzle bottom plug, the suction nozzle bottom plug is sleeved at the inner bottom end of the suction nozzle shell, the bottom of the suction nozzle bottom plug is connected with the upper end of the liquid storage cup, the air flow sensing channel is vertically through-arranged on the suction nozzle bottom plug, the air flow sensing channel is provided with a containing cavity, the air flow sensor is arranged in the containing cavity, and the bottom of the containing cavity is communicated with the cavity where the battery component is located.

Preferably, the outlet of the airflow sensing channel extends upwards to form an outlet pipe, and the outlet pipe protrudes out of the upper plane of the suction nozzle bottom plug.

Preferably, the nozzle base plug is further provided with a smoke outlet so as to suck the smoke generated by atomizing the atomizing core into the nozzle portion.

Preferably, the nozzle bottom plug is also provided with a first liquid injection port for filling atomized liquid, the inner bottom of the nozzle shell is provided with a plunger plug for plugging the first liquid injection port, and the first liquid injection port is communicated with a second liquid injection port arranged at the upper end part of the liquid storage cup.

Preferably, the upper end of the liquid storage cup is provided with an upward inner wall, the outer side of the inner wall is also provided with a peripheral wall, the suction nozzle bottom plug is sleeved on the inner wall of the inner wall, the lower wall of the suction nozzle shell is sleeved between the inner wall and the peripheral wall, and one sides of the inner wall and the peripheral wall corresponding to the airflow sensor are provided with notches.

Preferably, the atomization assembly further comprises an atomization tube, the atomization core is arranged in the atomization tube, the liquid storage cup comprises an upper end transverse wall and a cup bottom cover, the cup bottom cover is plugged and arranged at the bottom end opening of the liquid storage cup, two ends of the atomization tube are respectively communicated with the upper end transverse wall and the cup bottom cover of the liquid storage cup, and a liquid storage cavity is formed by enclosing between the inner wall of the liquid storage cup and the outer wall of the atomization tube as well as between the inner wall of the liquid storage cup and the cup bottom cover.

Preferably, a first through hole is formed in the transverse wall of the upper end of the liquid storage cup, the upper end of the atomizing pipe is inserted into the first through hole, a second through hole is formed in the cup bottom cover, and the lower end of the atomizing pipe is inserted into the second through hole.

Preferably, the inner diameter and the outer diameter of the upper part of the atomizing tube are smaller than the inner diameter and the outer diameter of the lower part thereof, respectively.

Preferably, the atomizing core is a tubular atomizing core and is sleeved at the inner lower part of the atomizing pipe, and a liquid inlet through hole is formed in the wall part of the atomizing pipe, which is positioned at the tubular atomizing core.

Preferably, the tubular atomization core comprises a tubular liquid absorbing body, a heating body and electrode pins, and the tubular liquid absorbing body is made of a nano porous ceramic material.

Preferably, an insulating ring is further connected and arranged below the tubular atomizing core in the atomizing pipe.

Preferably, the outer shell comprises a front shell and a rear shell, the atomization assembly and the battery assembly are arranged in the rear shell, and the front shell is covered on the rear shell.

Preferably, the front shell is provided with a key and a transparent lens, the key is connected to a key switch arranged on the PCB control board, and a display screen is arranged on the PCB control board below the transparent lens.

Preferably, the atomizing assembly and the battery assembly are respectively arranged at the left side and the right side in the shell.

Preferably, a silica gel base is further arranged between the lower part of the cup bottom cover and the inner bottom of the outer shell, and a base air inlet through hole communicated with the bottom of the atomizing tube is formed in the silica gel base.

The beneficial effects of the utility model are as follows: the air flow sensor is arranged in the suction port part, so that the distance between the air flow sensor and the suction port can be shortened to the greatest extent, the air flow generated when a user smokes can be perceived more quickly, the air flow sensor is triggered more quickly, the electronic cigarette is enabled to work more sensitively, and the working sensitivity of the electronic cigarette product can be improved to the greatest extent. In addition, the airflow sensing channel and the electronic cigarette smoke channel are arranged separately, so that the problems that the airflow sensor cannot work and the electronic cigarette cannot work further due to the fact that condensate is more and is easy to block in the smoke channel are avoided.

Drawings

Fig. 1 is a perspective exploded structural view of an electronic cigarette with high sensitivity according to the present utility model;

Fig. 2 is a front cross-sectional view of an electronic cigarette with high sensitivity of the present utility model;

FIG. 3 is a perspective view of a nozzle base plug of an electronic cigarette with high sensitivity of the present utility model;

FIG. 4 is a cross-sectional view of a nozzle base plug of an electronic cigarette with high sensitivity of the present utility model;

Fig. 5 is a perspective view of a liquid reservoir of the electronic cigarette with high sensitivity of the present utility model;

FIG. 6 is a top view of a liquid reservoir of an electronic cigarette with high sensitivity of the present utility model;

Fig. 7 is a perspective view of a cup bottom cover of the electronic cigarette with high sensitivity of the present utility model;

fig. 8 is a perspective view of an atomizing tube of the electronic cigarette with high sensitivity of the present utility model;

Fig. 9 is a perspective view of an atomizing core of the electronic cigarette with high sensitivity of the present utility model;

Fig. 10 is a perspective view of a silica gel base of the electronic cigarette with high sensitivity of the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

For convenience of description below, as shown in fig. 2, the suction port 110 of the electronic cigarette with high sensitivity is vertically disposed upward, and the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", and the like related to each structural component in the electronic cigarette described herein refer to the positional relationship or the positional relationship of each structural component when the suction port 110 of the electronic cigarette is vertically disposed upward. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations. In addition to the above terms may be used to denote orientation or positional relationships, other meanings may be used, such as the term "upper" may also be used in some cases to denote some sort of attachment or connection. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances. Furthermore, the terms "first," "second," and the like, herein, are used primarily for distinguishing between different devices, elements, or components and not for indicating or implying a relative importance or order, number, or order of such devices, elements, or components.

Examples:

as shown in fig. 1-2, the electronic cigarette with high sensitivity in the embodiment of the utility model is composed of a suction nozzle part 1, an outer shell 2, an atomization component and a battery component, wherein the atomization component and the battery component are respectively arranged in the outer shell and are respectively arranged at the left side and the right side. The outer casing 2 includes a front casing 21 and a rear casing 22, the rear casing 22 is box-shaped, the atomizing assembly and the battery assembly are arranged in the rear casing 22, and the front casing 21 is covered on the rear casing 22. In other embodiments, the atomizing assembly and the battery assembly may be connected up and down.

The atomizing subassembly is including storing the stock solution cup 4 of atomized liquid and being used for heating the atomizing core 6 of evaporation atomized liquid, and battery pack includes battery 7 and the PCB control panel 8 that provide power for atomizing core 6, and the one end of shell body is located to suction nozzle portion 1 and is connected with atomizing subassembly, is equipped with air current induction channel 10 and air current sensor 3 in the suction nozzle portion 1, and in air current induction channel 10 was located to air current sensor 3, when producing the air current in air current induction channel 10, air current sensor 3 can be triggered by the air current. The airflow sensor 3 may be a microphone or an air pressure sensor, and may be used to detect an inhalation airflow or an inhalation negative pressure generated by an inhalation, and when the inhalation is detected, the airflow sensor 3 is triggered to start the electronic cigarette to perform an energizing operation. The air flow sensor 3 is arranged in the suction port part 1, so that the distance between the air flow sensor 3 and the suction port 110 can be shortened to the greatest extent, the air flow generated when a user smokes can be perceived more quickly, the air flow sensor 3 is triggered more quickly, the electronic cigarette is enabled to work more sensitively, and the working sensitivity of the electronic cigarette product can be improved to the greatest extent. In addition, the airflow sensing channel 10 is separately arranged from the electronic cigarette smoke channel, so that the problems that the airflow sensor cannot work and the electronic cigarette cannot work further due to more condensate and easy blockage in the smoke channel are avoided.

As shown in fig. 1-4, the nozzle 1 comprises a nozzle housing 11 and a nozzle bottom plug 12, the upper end of the nozzle 1, that is, the upper end of the nozzle housing 11 is provided with a suction port 110, the nozzle bottom plug 12 is sleeved at the inner bottom end of the nozzle housing 11, and the bottom of the nozzle bottom plug 12 is connected with the upper end of the liquid storage cup 4. The airflow sensing channel 10 is vertically penetrating through the nozzle bottom plug 12, and the vertical penetration is not limited to the vertical penetration, and may have a certain inclination, curvature or meandering upward. The airflow sensing channel 10 is provided with a containing cavity 120, the airflow sensor 3 is arranged in the containing cavity 120, and when the suction airflow passes through the airflow sensor 3 in the airflow sensing channel 10, the airflow sensor 3 can be triggered. The bottom of the accommodating chamber 120 is communicated with the cavity where the battery assembly is located, i.e., the lower section of the airflow sensing channel 10 is communicated with the cavity where the battery assembly is located.

The outlet of the airflow sensing channel 10 on the suction nozzle bottom plug 12 extends upwards to form an outlet pipe 123, the outlet pipe 123 protrudes out of the upper plane of the suction nozzle bottom plug 12, so that condensed liquid drops generated by the inner wall of the suction nozzle part 1 can be prevented from falling on the upper plane of the suction nozzle bottom plug 12 and then flowing back into the airflow sensing channel 10, and condensate corrosion and damage to the airflow sensor 3 are avoided, so that the airflow sensor cannot work normally.

The suction nozzle base plug 12 is also provided with a smoke outlet 121 for sucking the smoke generated by the atomization of the atomization core 6 into the suction nozzle part 1.

The suction nozzle bottom plug 12 is also provided with a first liquid injection port 122 for filling atomized liquid, the inner bottom of the suction nozzle shell 11 is provided with a plunger 111 inserted and plugged in the first liquid injection port 122, the first liquid injection port 122 is communicated with a second liquid injection port 414 arranged at the upper end part of the liquid storage cup 4, and the bottom of the first liquid injection port 122 is abutted to the upper plane of the second liquid injection port 414, so that the first liquid injection port and the second liquid injection port can be connected in a sealing way.

The nozzle base plug 12 may be made of a soft material such as a silicone material so that it has sealing properties when connected to the upper ends of the nozzle housing 11 and the liquid storage cup 4.

As shown in fig. 5 and 6, the upper end of the liquid storage cup 4 is provided with an upward inner wall 411, the outer side of the inner wall 411 is also provided with a peripheral wall 412, the nozzle bottom plug 12 is sleeved on the inner wall of the inner wall 411, the lower wall of the nozzle shell 1 is sleeved between the inner wall 411 and the peripheral wall 412, and one side of the inner wall 411 and the peripheral wall 412 corresponding to the airflow sensor 3 is provided with a notch 413 so that the lower section, namely the transverse section, of the airflow sensing channel 10 passes through.

As shown in fig. 2 and 5-8, the atomization assembly further comprises an atomization tube 5, and an atomization core 6 is arranged in the atomization tube 5. The upper end of the liquid storage cup 4 is provided with an upper end transverse wall 41 and a cup bottom cover 42, the cup bottom cover 42 is plugged and arranged at the bottom end opening of the liquid storage cup 4, the outer wall of the cup bottom cover 42 is provided with an annular groove 421, and the annular groove 421 is provided with a sealing ring 422. The two ends of the atomizing pipe 5 are respectively penetrated through the upper transverse wall 41 and the cup bottom cover 42 of the liquid storage cup 4, and a liquid storage cavity 40 is formed by enclosing the inner wall of the liquid storage cup 4 with the outer wall of the atomizing pipe 5 and the cup bottom cover 42.

The upper end transverse wall 41 of the liquid storage cup is provided with a first through hole 410, the upper end of the atomizing tube 5 is inserted into the first through hole 410, the cup bottom cover 42 is provided with a second through hole 420, and the lower end of the atomizing tube 5 is inserted into the second through hole 420. In this embodiment, the upper end of the atomizing tube 5 is also inserted into the smoke outlet 121 of the nozzle bottom plug 12.

The inner and outer diameters of the upper portion of the atomizing tube 5 are smaller than the inner and outer diameters of the lower portion thereof, respectively, so that a larger atomizing core 6 can be installed at the lower portion of the atomizing tube 5, and the upper portion of the smaller atomizing tube 5 can make the liquid storage chamber 40 have a larger space to store more atomized liquid. In this embodiment, the atomizing core 6 is a tubular atomizing core 6 and is sleeved at the inner lower part of the atomizing tube 5, and the wall part of the atomizing tube 5 at the tubular atomizing core 6 is provided with a liquid inlet through hole 51, so that the atomized liquid in the liquid storage cavity 40 can be absorbed by the tubular atomizing core 6 after passing through the liquid inlet through hole 51.

As shown in fig. 1, 2 and 8, the tubular atomizing core 6 includes a tubular liquid absorbing body 61, a heating body (not shown in the drawings) and an electrode pin 62, the heating body is arranged in the tubular liquid absorbing body 61, the tubular liquid absorbing body 61 absorbs the atomized liquid and then can permeate and conduct the atomized liquid to the surface of the heating body, the heating body is electrified to heat and evaporate the atomized liquid into smoke, and the smoke can be emitted from the inner pipe hole of the tubular liquid absorbing body 61 and flow out upwards through the inner pipe hole of the atomizing pipe 5. The tubular liquid-absorbing body 61 is made of nano porous ceramic material, and the atomized liquid passes through the nano porous material, so that the evaporated smoke particles are finer and smoother and the smoking taste is better. The insulating ring 52 is also connected and arranged below the tubular atomizing core 6 in the atomizing pipe 5, the electrode pin 62 of the tubular atomizing core 6 is arranged in the insulating ring 52, the atomizing pipe 5 is generally made of a metal material, and the insulating ring 52 can avoid short circuit faults caused by touching of the electrode pin 62 and the atomizing pipe 5.

As shown in fig. 1, a key 211 and a transparent lens 212 are disposed on the front housing 21, the key 211 is connected to a key switch 81 disposed on the PCB control board 8, that is, the key switch 81 can be controlled by pressing the key 211, and in this embodiment, the working power of the atomizing core 6 can be adjusted by pressing the key 211, the atomizing amount can be further adjusted, so as to meet the requirement of customers on the amount of smoke. The display screen 82 is arranged on the PCB control board 8 below the transparent lens 212, and the display screen 82 can display the parameters such as the residual electric quantity of the battery, the residual atomized liquid storage quantity, the working power of the atomizing core and the like. The bottom of the rear housing 22 is further provided with a housing air inlet through hole 220 and a through hole 221 of a USB charging interface, and the USB charging interface 83 is mounted on the PCB control board 8 and extends out of the through hole 221.

As shown in fig. 1, 2 and 9, the atomizing assembly and the battery assembly are respectively arranged at the left side and the right side in the shell. A silica gel base 9 is also arranged between the lower part of the cup bottom cover 42 and the inner bottom of the outer shell, and a base air inlet through hole 90 communicated with the bottom of the atomizing tube 5 is arranged on the silica gel base 9.

The working principle of the electronic cigarette with high sensitivity in the embodiment is as follows: when a user inhales from the suction port 110, negative pressure is generated in the suction nozzle portion, external air enters from the housing air inlet through hole 220 in the direction indicated by a continuous solid arrow a in the figure, enters into the inner tube hole of the tubular atomization core 6 through the bottom of the base air inlet through hole 90 and the atomization tube 5, enters from the housing air inlet through hole 220 in the direction indicated by a continuous solid arrow b in the figure, enters into the airflow sensing channel 10 through the cavity where the battery assembly is located, triggers the airflow sensor 3 when passing through the airflow sensor 3, triggers the airflow sensor 3, and then starts the heating element of the tubular atomization core 6 to conduct electricity through the PCB control panel, the heating element can heat and evaporate atomized liquid in the tubular liquid 61 into smoke, the smoke can be emitted from the inner tube hole of the tubular liquid 61, and at the moment, the smoke flows upwards from the inner tube hole of the atomization tube 5 under the driving of the external air entering into the tubular atomization core, and is sucked into the user through the smoke outlet 121 on the suction nozzle bottom plug 12 and the suction port 110. When the heating element works and the atomized liquid is evaporated into smog, the atomized liquid in the liquid storage cavity 40 flows downwards in the direction indicated by a continuous hollow arrow c in the figure, and enters the liquid inlet through hole 51 of the atomizing pipe 5 and is absorbed by the tubular liquid absorbing body 61, so that the atomized liquid can be continuously supplied to the heating element for atomization.

The foregoing description is only of the preferred embodiments of the utility model, and the above-described embodiments are not intended to limit the utility model. Various changes and modifications may be made within the scope of the technical idea of the present utility model, and any person skilled in the art may make any modification, modification or equivalent substitution according to the above description, which falls within the scope of the present utility model.

Claims (16)

1. The utility model provides an electron cigarette with high sensitivity, its characterized in that, includes suction nozzle portion, shell body, atomizing subassembly and battery pack are located in the shell body, atomizing subassembly is including the stock solution cup of storing the atomized liquid and the atomizing core that is used for heating the evaporation atomized liquid, battery pack include for atomizing core provides battery and the PCB control panel of power, suction nozzle portion locates the one end of shell body and with atomizing subassembly is connected, the upper end of suction nozzle portion is equipped with the suction inlet, be equipped with air current induction channel and air current sensor in the suction nozzle portion, air current sensor locates in the air current induction channel.

2. The electronic cigarette with high sensitivity according to claim 1, wherein the suction nozzle portion comprises a suction nozzle shell and a suction nozzle bottom plug, the suction nozzle bottom plug is sleeved at the inner bottom end of the suction nozzle shell, the bottom of the suction nozzle bottom plug is connected with the upper end portion of the liquid storage cup, the air flow sensing channel is vertically through-arranged at the suction nozzle bottom plug, a containing cavity is formed in the air flow sensing channel, the air flow sensor is arranged in the containing cavity, and the bottom of the containing cavity is communicated with the cavity where the battery component is located.

3. The electronic cigarette with high sensitivity according to claim 2, wherein the outlet of the airflow sensing channel extends upwards to form an outlet tube, and the outlet tube protrudes out of the upper plane of the suction nozzle bottom plug.

4. The electronic cigarette with high sensitivity according to claim 2, wherein the nozzle base plug is further provided with a smoke outlet hole so as to suck the smoke generated by the atomization of the atomization core into the nozzle portion.

5. The electronic cigarette with high sensitivity according to claim 2, wherein a first liquid injection port for injecting atomized liquid is further formed in the suction nozzle bottom plug, a plunger is arranged at the inner bottom of the suction nozzle shell and is plugged at the first liquid injection port, and the first liquid injection port is communicated with a second liquid injection port formed in the upper end portion of the liquid storage cup.

6. The electronic cigarette with high sensitivity according to claim 2, wherein an upward inner wall is provided at an upper end of the liquid storage cup, a peripheral wall is further provided at an outer side of the inner wall, the nozzle bottom plug is sleeved on an inner wall of the inner wall, a lower wall portion of the nozzle shell is sleeved between the inner wall and the peripheral wall, and a gap is provided at a side of the inner wall and the peripheral wall corresponding to the airflow sensor.

7. The electronic cigarette with high sensitivity according to claim 1, wherein the atomization component further comprises an atomization tube, the atomization core is arranged in the atomization tube, the liquid storage cup comprises an upper end transverse wall and a cup bottom cover, the cup bottom cover is plugged and arranged at a bottom end opening of the liquid storage cup, two ends of the atomization tube are respectively penetrated and arranged at the upper end transverse wall and the cup bottom cover of the liquid storage cup, and a liquid storage cavity is formed by enclosing an inner wall of the liquid storage cup with an outer wall of the atomization tube and the cup bottom cover.

8. The electronic cigarette with high sensitivity according to claim 7, wherein a first through hole is formed in the transverse wall of the upper end of the liquid storage cup, the upper end of the atomizing tube is inserted into the first through hole, a second through hole is formed in the cup bottom cover, and the lower end of the atomizing tube is inserted into the second through hole.

9. The electronic cigarette with high sensitivity according to claim 7, wherein the inner diameter and the outer diameter of the upper portion of the atomizing tube are smaller than the inner diameter and the outer diameter of the lower portion thereof, respectively.

10. The electronic cigarette with high sensitivity according to claim 7, wherein the atomizing core is a tubular atomizing core and is sleeved at the inner lower part of the atomizing tube, and a wall part of the atomizing tube, which is positioned at the tubular atomizing core, is provided with a liquid inlet through hole.

11. The electronic cigarette with high sensitivity according to claim 10, wherein the tubular atomizing core comprises a tubular liquid absorbing body, a heating body and electrode pins, and the tubular liquid absorbing body is made of a nano porous ceramic material.

12. The electronic cigarette with high sensitivity according to claim 10, wherein an insulating ring is further connected and arranged below the tubular atomizing core in the atomizing tube.

13. The electronic cigarette with high sensitivity according to claim 1, wherein the outer housing comprises a front housing and a rear housing, the atomizing assembly and the battery assembly are disposed in the rear housing, and the front housing is covered on the rear housing.

14. The electronic cigarette with high sensitivity according to claim 13, wherein keys and a transparent lens are provided on the front housing, the keys are connected to key switches provided on the PCB control board, and a display screen is provided on the PCB control board under the transparent lens.

15. The electronic cigarette with high sensitivity according to claim 1, wherein the atomizing assembly and the battery assembly are respectively disposed on left and right sides within the housing.

16. The electronic cigarette with high sensitivity according to claim 7, wherein a silica gel base is further arranged between the lower part of the cup bottom cover and the inner bottom of the outer shell, and a base air inlet through hole communicated with the bottom of the atomizing tube is arranged on the silica gel base.