US-12616247-B2 - Aerosol generating device and atomizer with improved airflow and leakage prevention

US12616247B2US 12616247 B2US12616247 B2US 12616247B2US-12616247-B2

Abstract

An atomizer includes an atomizing housing and an atomizing base. The lower end of the atomizing housing is connected to the upper end of the atomizing base. A communicating hole is provided at the bottom of the atomizing housing to allow an atomizing chamber in the atomizing housing to communicate with the inner cavity of the atomizing base. A partition plate is provided within the inner cavity of the atomizing base and divides the inner cavity of the atomizing base into a liquid storage cavity and a ventilation cavity. An opening is provided at the upper end of the partition plate. The opening is used for communicating the liquid storage cavity with the ventilation cavity. The liquid storage cavity is located directly below the communicating hole. The ventilation cavity is located away from the underside of the communicating hole.

Inventors

Weihua Qiu

Assignees

CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD.

Dates

Publication Date: 20260505
Application Date: 20230429
Priority Date: 20201029

Claims (16)

1 . An atomizer comprising an atomizing housing and an atomizing base, wherein a lower end of the atomizing housing is connected to an upper end of the atomizing base, a bottom of the atomizing housing is provided with a communicating hole to allow an atomizing chamber in the atomizing housing to communicate with an inner cavity of the atomizing base, the atomizing base comprises a bottom wall and a peripheral side wall surrounding the bottom wall and extending upwardly from the bottom wall, the peripheral side wall and the bottom wall jointly define the inner cavity of the atomizing base, two partition plates are provided in the inner cavity of the atomizing base, the two partition plates are spaced apart from each other, wherein each partition plate is connected to the bottom wall and the peripheral side wall of the atomizing base, the two partition plates divide the inner cavity of the atomizing base into a liquid storage cavity and two ventilation cavities, the liquid storage cavity is located between the two partition plates, wherein the liquid storage cavity is formed and enclosed by the bottom wall of the atomizing base, the peripheral side wall of the atomizing base and the two partition plates, and each ventilation cavity is formed and enclosed by the bottom wall of the atomizing base, the peripheral side wall of the atomizing base and a corresponding partition plate, an upper end of each partition plate is recessed downwardly towards the bottom wall of the atomizing base to be provided with an opening, and the opening is configured to communicate the liquid storage cavity with the ventilation cavity, the liquid storage cavity is located directly below the communicating hole of the atomizing housing, the ventilation cavity is located away from the underside of the communicating hole of the atomizing housing such that condensate in the atomizing chamber does not directly flow into the ventilation cavity, the bottom wall of the atomizing base is provided with two ventilation holes, the two ventilation holes are respectively located in the two ventilation cavities, and one ventilation hole corresponds to one ventilation cavity.
2 . The atomizer according to claim 1 , wherein the bottom wall of the ventilation cavity is provided with a fence surrounding an outer periphery of the ventilation hole.
3 . The atomizer according to claim 1 , further comprising a liquid storage casing, wherein a liquid storage chamber is provided in the liquid storage casing, an upper end of the liquid storage casing is provided with a mouthpiece, a lower end of the liquid storage casing is sleeved on an outside of the atomizing base, the lower end of the atomizing housing is provided with a silicone sealing device, the silicone sealing device is arranged between the atomizing housing and the atomizing base, a side wall of the silicone sealing device is in contact with an inner surface of the liquid storage casing for sealing the lower end of the liquid storage casing, the silicone sealing device is provided with the communicating hole to allow the atomizing chamber to communicate with the inner cavity of the atomizing base.
4 . The atomizer according to claim 3 , wherein an air guiding tube is provided in the liquid storage casing, an upper end of the atomizing housing is connected to and communicated with the air guiding tube.
5 . The atomizer according to claim 3 , wherein a liquid guiding member is provided in the atomizing housing, a heating wire is wound on the liquid guiding member, a contact pin is fixed on the bottom wall of the atomizing base, a contact pin installation hole is provided on the bottom wall of the atomizing base, and the contact pin passes through the contact pin installation hole to be electrically connected with the heating wire.
6 . The atomizer according to claim 5 , wherein the bottom wall of the atomizing base is provided with a fence surrounding an outer periphery of the contact pin installation hole.
7 . An aerosol generating device comprising the atomizer according to claim 1 .
8 . The aerosol generating device according to claim 7 , further comprising a battery rod, wherein the battery rod comprises a battery rod shell and a battery holder installed in the battery rod shell, an upper end of the battery holder is mounted with an airflow guiding device, the airflow guiding device is provided with an air intake channel, a downstream end of the air intake channel of the airflow guiding device communicates with the ventilation hole of the atomizing base, an airflow switch device is provided on the battery holder, the battery rod shell is provided with an air intake hole, and the air intake hole communicates with an upstream end of the air intake channel of the airflow guiding device through the airflow switch device.
9 . The aerosol generating device according to claim 8 , wherein the battery rod shell is sleeved on an outside of the atomizer, the bottom of the atomizing base abuts against the airflow guiding device, and the ventilation hole communicates with the downstream end of the air intake channel.
10 . The aerosol generating device according to claim 8 , wherein an outer surface of the airflow guiding device is provided with an airflow guiding groove; when the bottom of the atomizing base abuts against the airflow guiding device, one segment of the air intake channel is formed between a bottom end surface of the atomizing base and the airflow guiding groove on an end surface of the airflow guiding device, and another segment of the air intake channel is formed between an inner surface of the battery rod shell and the airflow guiding groove on a side surface of the airflow guiding device.
11 . The aerosol generating device according to claim 8 , wherein the airflow guiding device comprises a main body, the main body is located between the bottom of the atomizing base and the upper end of the battery holder, the main body is provided with an extension part, the extension part is provided with one segment of the air intake channel, the segment of the air intake channel on the extension part communicates with another segment of the air intake channel provided on the main body, wherein the segment of the air intake channel provided on the main body communicates with the ventilation hole, and the segment of the air intake channel on the extension part communicates with the air intake hole through the airflow switch device.
12 . The aerosol generating device according to claim 8 , wherein the airflow guiding device comprises a main body, and a first extension part and a second extension part extending downwardly from two opposite sides of the main body respectively, each of the main body, the first extension part and the second extension part is provided with an airflow guiding groove, wherein the external air enters the battery rod shell from the air intake hole, then flows downwardly along the airflow guiding groove on the second extension part, flows radially through the airflow switch device to reach a lower end of the first extension part, flows upwardly along the airflow guiding groove on the first extension part to reach the main body, flows radially along the airflow guiding groove on the main body to reach the ventilation hole of the atomizing base, flows upwardly along the ventilation hole, flows radially through the opening of the partition plate to reach the liquid storage cavity, and flows upwardly through the communicating hole to reach the atomizing chamber of the atomizing housing in sequence.
13 . The aerosol generating device according to claim 12 , wherein the upper end of the battery holder is provided with a mounting hole, the airflow switch device is mounted in the mounting hole, a lower end of the first extension part is provided with a hollow cylinder which is embedded in the mounting hole and located at a back side of the airflow switch device.
14 . The aerosol generating device according to claim 13 , wherein a side wall of the mounting hole is provided with a vent hole which is configured to communicate the air intake hole with the air intake channel of the airflow guiding device.
15 . The aerosol generating device according to claim 1 , wherein each partition plate is disposed within the inner cavity of the atomizing base, with a bottom of each partition plate connected to the bottom wall of the atomizing base, and opposite sides of each partition plate connected to the peripheral side wall of the atomizing base.
16 . The aerosol generating device according to claim 1 , wherein each partition plate has a height the same as the peripheral side wall of the atomizing base, such that an upper end face of each partition plate is flush with an upper end face of the peripheral side wall of the atomizing base.

Description

CROSS REFERENCE TO RELATED APPLICATIONS The present disclosure is a continuation-in-part of International Patent Application No. PCT/CN2021/112003, filed on Aug. 11, 2021, which claims priority to Chinese Patent Applications No. 202022461190.0, filed on Oct. 29, 2020. All of the aforementioned patent applications are hereby incorporated by reference in their entireties. BACKGROUND OF THE APPLICATION Field of the Application The present disclosure relates to an aerosol generating device and an atomizer. Description of Related Art The aerosol generating device is an electronic product that simulates cigarettes, and it is an alternative vaping device for users to inhale by heating and atomizing the e-liquid. Compared with traditional cigarettes, the aerosol generating devices are easy to use and contain fewer harmful substances. At present, on the market, the aerosol generating device generally has a direct connection between the ventilation hole of the atomizing base and the heating wire. During the atomization process, the condensate directly flows out from the ventilation hole of the atomizing base, and directly flows to the bottom of the atomizing base, which brings great inconvenience to consumers. The aerosol generating device with an airflow switch is one type of the aerosol generating devices, when the airflow passes through the airflow switch, the circuit is turned on, so that the aerosol generating device is very convenient to use. In the existing aerosol generating devices, the airflow switch is generally set at the bottom of the cigarette rod, the flow direction of the airflow is that the airflow enters from the bottom of the cigarette rod, passes through the airflow switch, the battery and the conductive seat, then flows into the atomizer to be mixed with the atomized e-liquid, and is finally inhaled into the user's mouth. The airflow channel of this aerosol generating device is long, and the battery will swell when it is used improperly, which will increase the resistance of the airflow. The user feels difficult when inhaling, and the generated smoke is less. The user experience is not good. BRIEF SUMMARY OF THE APPLICATION The object of the present disclosure is to overcome the defects of the prior art, and provide an aerosol generating device and an atomizer, which can realize double leakage prevention and can effectively ensure the smoothness of the user's inhalation, and has a good user experience. The technical solution adopted by the present disclosure to solve the problem is as follows: The present disclosure provides an atomizer which includes an atomizing housing and an atomizing base. The lower end of the atomizing housing is connected to the upper end of the atomizing base. The bottom of the atomizing housing is provided with a communicating hole to allow an atomizing chamber in the atomizing housing to communicate with the inner cavity of the atomizing base. A partition plate is provided in the inner cavity of the atomizing base, and the partition plate divides the inner cavity of the atomizing base into a liquid storage cavity and a ventilation cavity. The upper end of the partition plate is provided with an opening, and the opening is configured to communicate the liquid storage cavity with the ventilation cavity. The liquid storage cavity is located directly below the communicating hole of the atomizing housing. The ventilation cavity is located away from the underside of the communicating hole of the atomizing housing. The bottom wall of the atomizing base is provided with at least one ventilation hole, and the ventilation hole is located in the ventilation cavity. Further, the bottom wall of the ventilation cavity is provided with a fence surrounding the outer periphery of the ventilation hole. Further, there are two partition plates provided in the inner cavity of the atomizing base. The two partition plates divide the inner cavity of the atomizing base into the liquid storage cavity and two ventilation cavities. The liquid storage cavity is located between the two partition plates. There are two ventilation holes provided on the bottom wall of the atomizing base, and one ventilation hole corresponds to one ventilation cavity. Further, the atomizer further includes a liquid storage casing. A liquid storage chamber is provided in the liquid storage casing. The upper end of the liquid storage casing is provided with a mouthpiece. The lower end of the liquid storage casing is sleeved on the outside of the atomizing base. The lower end of the atomizing housing is provided with a silicone sealing device. The silicone sealing device is arranged between the atomizing housing and the atomizing base. The side wall of the silicone sealing device is in contact with the inner surface of the liquid storage casing for sealing the lower end of the liquid storage casing. The silicone sealing device is provided with the communicating hole to allow the atomizing chamber to communicate with the in