CN-224219494-U - Aerosol generating device

CN224219494UCN 224219494 UCN224219494 UCN 224219494UCN-224219494-U

Abstract

The utility model provides an aerosol generating device which comprises a shell, a mounting seat and an atomization assembly, wherein an oil storage cavity and an exhaust hollow pipe are arranged in the shell, the oil storage cavity is used for containing tobacco tar, an airflow channel communicated with the outside is arranged in the exhaust hollow pipe, the mounting seat is mounted at one end of the shell, the atomization assembly comprises the atomization hollow pipe and an atomization core mounted on the atomization hollow pipe, the atomization core comprises an oil guide piece and a heating piece, a decompression channel and a decompression cavity are concavely formed on the outer surface of the upper end of the atomization hollow pipe, the decompression channel and the decompression cavity are located above the oil guide piece, and two ends of the decompression channel are respectively communicated with the oil guide piece and the decompression cavity. Through setting up decompression passageway and decompression chamber in the top of oil guide, when aerosol generating device was in negative pressure environment, the tobacco tar in the oil guide upwards flowed along decompression passageway and decompression chamber in order to release pressure. When the aerosol generating device is in a positive pressure environment, tobacco tar in the decompression channel and the decompression cavity flows downwards to the oil guide piece.

Inventors

CHEN JIATAI
ZHOU SHENGWEN

Assignees

深圳市赛尔美电子科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250527

Claims (10)

1. An aerosol generating device is characterized by comprising a shell, a mounting seat and an atomization assembly; An oil storage cavity and an exhaust hollow pipe are arranged in the shell, the oil storage cavity is used for containing tobacco tar, an air flow channel communicated with the outside is arranged in the exhaust hollow pipe, and the mounting seat is mounted at one end of the shell; the atomization assembly comprises an atomization hollow pipe and an atomization core arranged on the atomization hollow pipe, the atomization core comprises an oil guide piece and a heating piece, the lower end of the atomization hollow pipe is fixed on the mounting seat, and the upper end of the atomization hollow pipe is inserted into the exhaust hollow pipe; The outer surface of the upper end of the atomization hollow tube is concavely provided with a pressure reducing channel and a pressure reducing cavity, the pressure reducing channel and the pressure reducing cavity are positioned above the oil guide piece, two ends of the pressure reducing channel are respectively communicated with the oil guide piece and the pressure reducing cavity, and tobacco tar in the oil guide piece can flow into the pressure reducing cavity through the pressure reducing channel.
2. The aerosol generating device according to claim 1, wherein an oil inlet channel is further provided in the housing, two ends of the oil inlet channel are respectively communicated with the oil storage cavity and the oil guide member, the oil inlet channel is provided with at least one bend, and tobacco tar in the oil storage cavity flows into the oil guide member after being buffered at the bend of the oil inlet channel.
3. The aerosol generating device according to claim 2, wherein the oil storage chamber is located higher than the oil guide, and both ends of the oil inlet passage are respectively communicated with the bottom of the oil storage chamber and the side of the oil guide.
4. The aerosol generating device according to claim 1, wherein the oil guide is embedded and mounted on the atomization hollow tube, the heating element is attached to the oil guide, and the heating element is used for atomizing tobacco tar in the oil guide and entering the atomization hollow tube.
5. The aerosol generating device according to claim 4, wherein the lower end of the atomizing hollow tube is further provided with an atomizing base integrally formed with the atomizing hollow tube, the oil guide member has a U-shaped structure and comprises two parallel oil guide main body parts, the two oil guide main body parts are respectively arranged on two sides of the atomizing base, and the heating member is simultaneously and adhesively arranged on the inner wall surfaces of the two oil guide main body parts.
6. The aerosol generating device according to claim 1, wherein the pressure reducing channel comprises an annular groove section and a first bending groove section, the annular groove section is arranged around the atomization hollow tube, two ends of the first bending groove section are respectively communicated with the annular groove section and the pressure reducing cavity, the first bending groove section is provided with at least one bending part, and tobacco tar in the oil guide piece firstly flows into the annular groove section and then flows into the pressure reducing cavity from the annular groove section through the first bending groove section.
7. The aerosol generating device according to claim 1, wherein an outer surface of an upper end of the atomizing hollow tube is further concavely formed with a gas discharge passage, both ends of which are respectively communicated with the pressure reducing chamber and the gas flow passage.
8. The aerosol generating device of claim 7, wherein the inner wall surface of the exhaust hollow tube is provided with an outwardly diverging slope, the slope being located above the vent passage, the slope being for guiding condensate formed in the exhaust hollow tube into the vent passage and into the pressure reducing chamber via the vent passage.
9. The aerosol generating device of claim 7, wherein the venting channel comprises a second curved channel section and a straight channel section, the second curved channel section is disposed above the pressure reducing chamber, the straight channel section extends along the axial direction of the atomizing hollow tube, two ends of the straight channel section are respectively communicated with the second curved channel section and the pressure reducing chamber, two ends of the second curved channel section are respectively communicated with the straight channel section and the air flow channel, and the second curved channel section is provided with at least one bend.
10. The aerosol generating device of claim 1, wherein the reduced pressure chamber is disposed around an outer surface of the aerosolizing hollow tube.

Description

Aerosol generating device Technical Field The utility model relates to the technical field of atomization, in particular to an aerosol generating device. Background The aerosol generating device is also called virtual cigarette, electronic cigarette, vapor cigarette and the like, and is mainly used for simulating smoking feeling on the premise of not affecting health so as to be used for stopping smoking or replacing cigarettes. The existing aerosol generating device can be roughly divided into three types, namely 1, the type of the oil storage cotton is compared with that of an oil storage cotton, the atomization suction experience is slightly inferior to that of an oil product, the space utilization rate is low and the volume is large under the condition of the same oil injection amount, and 2, in the use process of open type oil injection (self oil injection of consumers), the injected oil can flow from the center Kong Shenyou of an atomization core (after an oil injection plug is opened, the balance of pressure difference between the inside and the outside of a cigarette cartridge is broken), so that the experience is affected. 3. The pre-oiling (the common capacity in the market is 2 ml), namely, the high-capacity product cannot pass the reliability test, and oil leakage is easy to occur, so that the experience is affected. The high-capacity type aerosol generating device in the prior art has the defects that the oil storage cotton has a slightly inferior feeling of absorbing experience, the space utilization rate is low, oil seepage is caused by open type oil injection, and oil leakage is caused by pre-injection. Under the above circumstances, a product capable of solving the problem of easy oil leakage during transportation and use of the ventilation mist generating device is urgently needed. Disclosure of utility model In view of the above, the present utility model is directed to an aerosol generating device, in which a pressure reducing channel and a pressure reducing chamber are disposed above an oil guiding member, so that when the aerosol generating device is in a negative pressure environment, tobacco tar in the oil guiding member flows upward along the pressure reducing channel and the pressure reducing chamber to release pressure. When the aerosol generating device is in a positive pressure environment, tobacco tar in the decompression channel and the decompression cavity flows downwards to the oil guide piece. The utility model provides an aerosol generating device, which comprises a shell, a mounting seat and an atomization assembly, wherein the mounting seat is arranged on the shell; An oil storage cavity and an exhaust hollow pipe are arranged in the shell, the oil storage cavity is used for containing tobacco tar, an air flow channel communicated with the outside is arranged in the exhaust hollow pipe, and the mounting seat is mounted at one end of the shell; the atomization assembly comprises an atomization hollow pipe and an atomization core arranged on the atomization hollow pipe, the atomization core comprises an oil guide piece and a heating piece, the lower end of the atomization hollow pipe is fixed on the mounting seat, and the upper end of the atomization hollow pipe is inserted into the exhaust hollow pipe; The outer surface of the upper end of the atomization hollow tube is concavely provided with a pressure reducing channel and a pressure reducing cavity, the pressure reducing channel and the pressure reducing cavity are positioned above the oil guide piece, two ends of the pressure reducing channel are respectively communicated with the oil guide piece and the pressure reducing cavity, and tobacco tar in the oil guide piece can flow into the pressure reducing cavity through the pressure reducing channel. Further, an oil inlet channel is further arranged in the shell, two ends of the oil inlet channel are respectively communicated with the oil storage cavity and the oil guide piece, at least one bending part is arranged on the oil inlet channel, and tobacco tar in the oil storage cavity flows into the oil guide piece after being buffered at the bending part of the oil inlet channel. Further, the oil storage cavity is higher than the oil guide piece, and two ends of the oil inlet channel are respectively communicated with the bottom of the oil storage cavity and the side part of the oil guide piece. Further, the oil guide piece is embedded and installed on the atomization hollow pipe, the heating piece is attached to the oil guide piece, and the heating piece is used for atomizing tobacco tar in the oil guide piece and entering the atomization hollow pipe. Further, the lower extreme of atomizing hollow tube still be provided with atomizing hollow tube integrated into one piece's atomizing base, the oil guide is U-shaped structure and includes two parallel oil guide main part, two oil guide main part installs respectively the both sides of atomizing base, the piece that genera