CN-117297183-B - Atomizer and electronic atomization device

Abstract

The invention provides an atomizer and an electronic atomization device, and provides an atomization device, which comprises an atomizer, wherein the atomizer comprises an oil cup and an atomization assembly, the atomization assembly is arranged at the bottom end of the oil cup and forms a liquid storage cavity with the oil cup, the atomization assembly comprises a bracket, a flat oil guide body and a sheet-shaped heating body, the flat oil guide body and the sheet-shaped heating body are vertically or obliquely arranged in the bracket, the oil guide body is provided with a relative liquid suction surface and an atomization surface, the heating body is arranged on the atomization surface of the oil guide body, an air outlet channel is formed in the oil cup, the atomization assembly is internally provided with the atomization cavity positioned at one side of the atomization surface, and a connecting channel communicated with the atomization cavity and the air outlet channel, and the wall surface of the connecting channel is sunken towards the direction far away from the central axis of the atomizer to form a yielding cavity. The cavity of stepping down that this scheme formed can increase the cross section of connecting channel, save material to under the smooth and easy circumstances of guaranteeing to give vent to anger, can make atomizer overall thickness make thinner.

Inventors

• PAN SHIWAN
• ZHANG HAIBO

Assignees

• 深圳市卓力能技术有限公司

Dates

Publication Date

20260505

Application Date

20220621

Claims (19)

1. 1. An atomizer comprises an oil cup and an atomization assembly, wherein the atomization assembly is arranged at the bottom end of the oil cup and forms a liquid storage cavity with the oil cup, the atomization assembly comprises a bracket, a flat oil guide body and a sheet-shaped heating body, wherein the flat oil guide body and the sheet-shaped heating body are vertically or obliquely arranged in the bracket, the oil guide body is provided with a liquid suction surface and an atomization surface which are opposite, and the heating body is arranged on the atomization surface of the oil guide body; An air outlet channel is formed in the oil cup, an atomization cavity positioned on one side of the atomization surface and a connecting channel which is communicated with the atomization cavity and the air outlet channel are arranged in the atomization assembly, and the wall surface of the connecting channel is recessed towards the direction far away from the central axis of the atomizer to form an abdication cavity; The abdication cavity is provided with a first guide surface with one end connected with the atomization cavity and a second guide surface with one end connected with the air outlet channel, and the other ends of the first guide surface and the second guide surface extend towards a direction far away from the central axis of the atomizer; the abdication cavity is further provided with a third diversion surface connected with the other end of the first diversion surface and the other end of the second diversion surface, and the third diversion surface is the inner wall surface of the oil cup.
2. 2. The atomizer according to claim 1, wherein a cross-sectional area of a portion of said connection channel corresponding to said first flow guiding surface increases gradually from said atomizing chamber toward said air outlet channel.
3. 3. A nebulizer as claimed in claim 2, wherein the angle between the first flow guiding surface and the central axis of the nebulizer is 15-60 °.
4. 4. A nebulizer as claimed in claim 1, wherein the angle between the second flow guiding surface and the central axis of the nebulizer is 30-75 °.
5. 5. The nebulizer of claim 1, wherein the first flow guiding surface is planar; or the first guide surface is a curved surface, and one side of the first guide surface, which faces the central axis of the atomizer, is a convex surface or a concave surface.
6. 6. The nebulizer of claim 5, wherein the second flow guiding surface is planar; Or the second guide surface is a curved surface, and one side of the second guide surface, which faces the central axis of the atomizer, is a convex surface or a concave surface.
7. 7. The atomizer of claim 1 wherein said atomizing chamber is offset to one side of a central axis of said atomizer, a lower oil passage communicating with said reservoir chamber and connected to a liquid suction surface of said oil guide body is also formed in said atomizing assembly, and at least a portion of said lower oil passage is located on the other side of said central axis.
8. 8. The atomizer of any one of claims 1 to 7, wherein said atomizing assembly further comprises a sealing member sleeved on a top end of said support, a through air vent is provided on a top end of said sealing member, said air vent is used for communicating with said air outlet channel, a flow guiding block is provided on a bottom side of said sealing member, and said second flow guiding surface is provided on said flow guiding block.
9. 9. The atomizer of claim 8 wherein a mounting groove is provided on one side of said bracket, said oil guide is disposed in said mounting groove, said atomizing assembly further comprises an air passage member mounted in said mounting groove, said oil guide and said air passage member cooperate to define said atomizing chamber, said first guide surface being disposed on said air passage member.
10. 10. The atomizer of claim 9, wherein an air outlet notch is formed in the top end of the bracket and is communicated with the mounting groove, the air outlet notch is communicated with the air guide hole, the air guide block is embedded in a notch of the air outlet notch, and the second air guide surface faces into the air outlet notch.
11. 11. The atomizer of claim 10 wherein said deflector block and said air passage member are both in contact with an inner wall of said oil cup, a relief opening is formed between said deflector block and said air passage member, and said third deflector surface is formed by an inner wall of said oil cup plugged into said relief opening.
12. 12. The atomizer of claim 10 wherein said air outlet gap has a fourth flow guide surface opposite said second flow guide surface, one end of said fourth flow guide surface being connected to an air guide orifice, and the other end of said fourth flow guide surface extending toward said first flow guide surface.
13. 13. The nebulizer of claim 12, wherein an angle between the fourth flow guiding surface and the second flow guiding surface is 0-20 °.
14. 14. The atomizer of claim 9 wherein said atomizing assembly further comprises a base connected to said bottom end of said cup and a bottom seal connected between said base and said bracket, an air intake chamber being formed between said base and said bottom seal, said base having a first air intake opening communicating said air intake chamber with the ambient atmosphere, said bottom seal having a second air intake opening communicating said air intake chamber with said atomizing chamber.
15. 15. The atomizer of claim 14 wherein said air passage and said oil guide are enclosed to form an air inlet passage connected to an end of said atomizing chamber remote from said connecting passage, a wall surface of said air inlet passage being recessed in a direction away from said oil guide, said first air inlet aperture being coaxial with a central axis of said atomizer, said second air inlet aperture being located on a side of said central axis of said atomizer.
16. 16. The atomizer according to claim 15, wherein said air inlet passage has a cross-sectional area which increases gradually over a predetermined length from said atomizing chamber toward the bottom.
17. 17. The nebulizer of claim 8, wherein the nebulizer has a thickness in the range of 6.5-7.7mm.
18. 18. The atomizer of claim 8, wherein said oil guide is oil guide cotton or porous ceramic; the heating element is formed by etching a metal sheet.
19. 19. An electronic atomising device comprising an atomiser according to any one of claims 1 to 18.

Description

Atomizer and electronic atomization device Technical Field The invention belongs to the technical field of electronic atomization, and particularly relates to an atomizer and an electronic atomization device. Background The atomizer is limited by an internal heating body structure, an atomizing cavity size, an air outlet channel structure and the like, and the whole thickness of the atomizer cannot be made very thin. Because the thickness of the atomizer is too thin, the sizes of all parts in the atomizer must be compressed, and the sizes of all parts in the atomizer are directly related to the performances of the atomizer, such as ventilation, oil sealing, oil discharging, atomization, air inlet, air outlet, tightness and the like, and the performance of the atomizer cannot be ensured by simply shrinking all parts of the atomizer. In the related art, an atomizer is generally composed of an oil cup and an atomization assembly, the oil cup is provided with an air duct, an atomization cavity is formed in the atomization assembly, and an air outlet channel is connected between the atomization cavity and the air duct. However, if the technical scheme in the related art is adopted under the condition that the thickness dimension of the atomizer is thinned, in order to ensure the structural strength, the sealing performance and other performances of the atomizing assembly, the section dimension of the air outlet channel is rapidly reduced to influence the smoothness, and aerosol is easy to form condensate at the air outlet channel to influence the user experience, so that the atomizer is restricted to develop towards a thinner direction. Disclosure of Invention The invention aims to provide an atomizer and an electronic atomization device, which can be made thinner under the condition of ensuring the smoothness of an air outlet channel. In order to solve the technical problems, the invention provides an atomizer which comprises an oil cup and an atomization assembly, wherein the atomization assembly is arranged at the bottom end of the oil cup and forms a liquid storage cavity with the oil cup, the atomization assembly comprises a bracket, a flat oil guide body and a sheet-shaped heating body, wherein the flat oil guide body and the sheet-shaped heating body are vertically or obliquely arranged in the bracket, the oil guide body is provided with a liquid suction surface and an atomization surface which are opposite, and the heating body is arranged on the atomization surface of the oil guide body; the oil cup is internally provided with an air outlet channel, an atomization cavity positioned on one side of the atomization surface and a connecting channel which is communicated with the atomization cavity and the air outlet channel are arranged in the atomization assembly, and the wall surface of the connecting channel is sunken towards the direction far away from the central axis of the atomizer to form an abdication cavity. Further, the abdication cavity is provided with a first guide surface, one end of which is connected with the atomization cavity, and a second guide surface, one end of which is connected with the air outlet channel, and the other ends of the first guide surface and the second guide surface extend towards a direction far away from the central axis of the atomizer. Further, the abdication cavity is further provided with a third diversion surface connected with the other end of the first diversion surface and the other end of the second diversion surface, and the third diversion surface is the inner wall surface of the oil cup. Further, the cross-sectional area of the portion of the connection channel corresponding to the first flow guiding surface gradually increases from the atomizing cavity toward the air outlet channel. Further, an included angle between the first guide surface and the central axis of the atomizer is 15-60 degrees. Further, an included angle between the second flow guiding surface and the central axis of the atomizer is 30-75 degrees. Further, the first flow guiding surface is a plane; or the first guide surface is a curved surface, and one side of the first guide surface, which faces the central axis of the atomizer, is a convex surface or a concave surface. Further, the second flow guiding surface is a plane; Or the second guide surface is a curved surface, and one side of the second guide surface, which faces the central axis of the atomizer, is a convex surface or a concave surface. Further, the atomization cavity is offset to one side of the central axis of the atomizer, a lower oil channel which is communicated with the liquid storage cavity and is connected to the liquid suction surface of the oil guide body is formed in the atomization assembly, and at least part of the lower oil channel is located at the other side of the central axis. Further, the atomization assembly further comprises a sealing piece sleeved on the top end of the support, a through air guide hole