CN-121970930-A - Electronic atomizer

CN121970930ACN 121970930 ACN121970930 ACN 121970930ACN-121970930-A

Abstract

The application discloses an electronic atomizer, which comprises a shell component, an atomizing component and a ventilation component, wherein a liquid storage cavity is formed in the shell component, a first air passage and a second air passage which are communicated with the outside are formed in the cavity wall of the liquid storage cavity, the atomizing component is arranged in the liquid storage cavity and comprises an outer pipe, outer cotton, a middle pipe, middle cotton, an inner pipe, inner cotton and an atomizing core which are sequentially sleeved from outside to inside, the top end of the middle pipe is provided with a ventilation hole, the ventilation hole is positioned above the outer cotton so that a space above the outer cotton is communicated with the middle cotton, the space above the middle cotton is communicated with the first air passage, two ends of the ventilation component are respectively communicated with the top end of the liquid storage cavity and the second air passage, and the first air passage and the second air passage are used for cooperatively balancing air pressure between the liquid storage cavity and the outside. According to the electronic atomizer, the air pressure between the liquid storage cavity and the outside is balanced in a cooperative mode through the first air passage and the second air passage, and liquid leakage cannot occur in extreme environments such as aviation negative pressure, high temperature and low temperature.

Inventors

Mu Yangchang
CHEN ZHIQUAN
DENG SHUIMING
LONG ZHIMING

Assignees

深圳市斯科尔科技股份有限公司

Dates

Publication Date: 20260505
Application Date: 20260323

Claims (10)

1. An electronic atomizer, comprising: The shell component is internally provided with a liquid storage cavity, and the cavity wall of the liquid storage cavity is provided with a first air passage and a second air passage which are communicated with the outside; The atomization assembly is arranged in the liquid storage cavity and comprises an outer tube, outer cotton, a middle tube, middle cotton, an inner tube, inner cotton and an atomization core which are sequentially sleeved from outside to inside, the top end of the middle tube is provided with a vent hole, the vent hole is positioned above the outer cotton so that the space above the outer cotton is communicated with the middle cotton, the space above the middle cotton is communicated with the first air passage, and The two ends of the ventilation assembly are respectively communicated with the top end of the liquid storage cavity and the second air passage; The first air passage and the second air passage are used for cooperatively balancing air pressure between the liquid storage cavity and the outside.
2. The electronic atomizer of claim 1 wherein said medium cotton shields said vent holes, said medium cotton being used to increase the resistance of the passage of gas through said vent holes.
3. The electronic atomizer according to claim 1, wherein a side of the middle cotton facing the inner tube is concavely formed with an air passage toward the middle tube, a tip end of the air passage penetrating through a top end wall of the middle cotton.
4. The electronic atomizer according to claim 1, wherein the number of the ventilation holes is 2-8, the diameter of each ventilation hole is 0.5-2.0 mm, the flow cross-sectional area of one end of the first air passage far away from the interior of the liquid storage cavity is 4-12 mm2, and the flow cross-sectional area of one end of the second air passage far away from the interior of the liquid storage cavity is 0.1-2.0 mm2.
5. The electronic atomizer of claim 4, wherein the outer tube is provided with 2-6 outer liquid inlet holes, the diameter of the outer liquid inlet holes is 0.3-1.5 mm, the wall thickness of the outer cotton is 2.5-5.0 mm, the height is 15-25 mm, the density is 0.08-0.20 g/cm3, the wall thickness of the middle cotton is 2.0-4.0 mm, the height is 20-30 mm, and the density is 0.06-0.15 g/cm3.
6. The electronic atomizer of claim 1, the electronic atomizer is characterized by comprising: The sealing piece is in sealing connection between the atomizing assembly and the first air passage, and the sealing piece is in sealing connection with the top of outer tube and the top of well pipe respectively, the sealing piece is offered the intercommunication well cotton top space with the opening of first air flue, the wall top-down of opening is towards well pipe slope setting, the sealing piece with the part top-down that the outer cotton is relative is towards well pipe slope setting, the sealing piece with form the buffer chamber between the outer cotton.
7. The electronic atomizer of claim 6, wherein an atomization cavity is formed in the atomization core, the first air passage and the through opening are located above the atomization cavity and are opposite to the atomization cavity, and the top end of the inner tube and the wall of the through opening are at least partially arranged at intervals.
8. The electronic atomizer of claim 4, wherein the ventilation assembly comprises liquid-blocking cotton and an air duct, the liquid-blocking cotton is assembled on the top inner wall of the liquid storage cavity, and two ends of the air duct are respectively connected and communicated with the liquid-blocking cotton and the second air duct; the inner diameter of the air duct is 0.5-2.0 mm.
9. The electronic atomizer of claim 8 wherein said second air passage comprises a plug tube and a ventilation tube in communication with each other; one end of the air duct is inserted into the insertion cylinder in a sealing way; The inner wall of the air exchange tube is outwards sunken to form a first air exchange channel, the first air exchange channel penetrates through two ends of the air exchange tube, the air exchange assembly comprises a sealing plug, the sealing plug is in sealing connection with the inner wall of the air exchange tube, the sealing plug is matched with the first air exchange channel to form a first air exchange gap, the first air exchange gap is formed at one end, far away from the inside of the liquid storage cavity, of the second air channel, the flow cross section area of the first air exchange gap is 0.1-2.0 mm <2 >, and the interference connection force of the sealing plug and the air exchange tube is greater than or equal to 8N.
10. The electronic atomizer according to claim 9, wherein said second air passage is formed by a bottom wall of said liquid reservoir passing therethrough; the inner wall of the plug tube is outwards sunken to form a second ventilation channel, the second ventilation channel penetrates through two ends of the plug tube, the outer wall of the air duct is matched with the second ventilation channel to form a second ventilation gap, the second ventilation gap is communicated with the first ventilation gap, and the flow cross section area of the second ventilation gap is 0.01-0.08 mm <2 >; The diameter of the ventilation cylinder is larger than that of the plug cylinder, and the interference connection force of the sealing plug and the ventilation cylinder is larger than or equal to 10N.

Description

Electronic atomizer Technical Field The application relates to the technical field of atomization, in particular to an electronic atomizer. Background The electronic atomizer is used as a portable aerosol generating device and widely applied to daily atomization and inhalation scenes, and the core structure of the electronic atomizer generally comprises a liquid storage cavity and an atomization assembly, wherein the liquid storage cavity is used for storing atomized liquid, and the atomization assembly is used for heating and atomizing the atomized liquid to form aerosol. Existing electronic atomizers generally employ a single air outlet channel to assume internal ventilation functions. But the air resistance of single air flue is unreasonable to control, and is poor to the regulation effect of stock solution chamber atmospheric pressure, and the atmospheric pressure between stock solution chamber and the external world can not effectively balance, leads to atomizing subassembly weeping easily to electronic atomizer's extreme environment suitability is weak, is difficult to satisfy stable, reliable user demand. Disclosure of Invention The application mainly aims to provide an electronic atomizer, which solves the technical problem that the air pressure between a liquid storage cavity and the outside cannot be effectively balanced due to unreasonable control of the ventilation resistance of a single air outlet channel in the existing electronic atomizer. To achieve the above object, the present application proposes an electronic atomizer comprising: The shell component is internally provided with a liquid storage cavity, and the cavity wall of the liquid storage cavity is provided with a first air passage and a second air passage which are communicated with the outside; The atomization assembly is arranged in the liquid storage cavity and comprises an outer tube, outer cotton, a middle tube, middle cotton, an inner tube, inner cotton and an atomization core which are sequentially sleeved from outside to inside, the top end of the middle tube is provided with a vent hole, the vent hole is positioned above the outer cotton so that the space above the outer cotton is communicated with the middle cotton, the space above the middle cotton is communicated with the first air passage, and The two ends of the ventilation assembly are respectively communicated with the top end of the liquid storage cavity and the second air passage; The first air passage and the second air passage are used for cooperatively balancing air pressure between the liquid storage cavity and the outside. Optionally, the middle cotton shields the vent hole, and the middle cotton is used for increasing the flow resistance of gas passing through the vent hole. Optionally, an air passage is formed on one side of the middle cotton facing the inner tube towards the middle tube in a recessed way, and the top end of the air passage penetrates through the top end wall of the middle cotton. Optionally, the number of the ventilation holes is 2-8, the diameter of each ventilation hole is 0.5-2.0 mm, the flow cross-sectional area of one end of the first air passage far away from the interior of the liquid storage cavity is 4-12 mm < 2 >, and the flow cross-sectional area of one end of the second air passage far away from the interior of the liquid storage cavity is 0.1-2.0 mm < 2 >. Optionally, the outer tube is provided with 2-6 outer liquid inlet holes, the diameter of each outer liquid inlet hole is 0.3-1.5 mm, the wall thickness of the outer cotton is 2.5-5.0 mm, the height is 15-25 mm, the density is 0.08-0.20 g/cm < 3 >, and the wall thickness of the middle cotton is 2.0-4.0 mm, the height is 20-30 mm, and the density is 0.06-0.15 g/cm < 3 >. Optionally, the electronic atomizer comprises: The sealing piece is in sealing connection between the atomizing assembly and the first air passage, and the sealing piece is in sealing connection with the top of outer tube and the top of well pipe respectively, the sealing piece is offered the intercommunication well cotton top space with the opening of first air flue, the wall top-down of opening is towards well pipe slope setting, the sealing piece with the part top-down that the outer cotton is relative is towards well pipe slope setting, the sealing piece with form the buffer chamber between the outer cotton. Optionally, the inside of atomizing core is formed with the atomizing chamber, first air flue with the opening all is located the top in atomizing chamber and all with the atomizing chamber is just to setting up, the top of inner tube with the wall of opening sets up at least partial interval. Optionally, the ventilation assembly includes liquid blocking cotton and an air duct, the liquid blocking cotton is assembled on the top inner wall of the liquid storage cavity, and two ends of the air duct are respectively connected and communicated with the liquid blocking cotton and the second air duct. Option