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CN-224219506-U - Atomizing assembly, atomizer and aerosol-generating device

CN224219506UCN 224219506 UCN224219506 UCN 224219506UCN-224219506-U

Abstract

The application provides an atomization assembly, an atomizer and an aerosol generating device, and belongs to the field of aerosol generating devices. The atomization assembly comprises an atomization core, an air duct and a cover body, wherein the cover body is annular and sleeved at one end of the air duct and is connected with the pipe wall of the air duct, an atomization channel is arranged in the atomization core, the air duct is positioned in the atomization channel, and the cover body is positioned at the inlet of the atomization channel and is in sealing fit with the atomization channel. During operation of the atomizer, liquid generated inside the atomizing assembly, such as leaked aerosol matrix and formed condensate, can be blocked in the atomizing core by the cover body, so that the liquid cannot leak outside the atomizing assembly, and the risk of liquid leakage of the atomizer is reduced.

Inventors

  • CAO DONG

Assignees

  • 深圳市基克纳科技有限公司

Dates

Publication Date
20260512
Application Date
20250421

Claims (15)

  1. 1. An atomizing assembly is characterized by comprising an atomizing core (22), an air duct (23) and a cover body (24); the cover body (24) is annular and sleeved at one end of the air duct (23) and is connected with the pipe wall of the air duct (23); The atomizing core (22) is internally provided with an atomizing channel (220 a), the air duct (23) is positioned in the atomizing channel (220 a), and the cover body (24) is positioned at the inlet of the atomizing channel (220 a) and is in sealing fit with the atomizing channel (220 a).
  2. 2. The atomizing assembly according to claim 1, wherein the atomizing core (22) comprises an atomizing core housing (2211) and a liquid guiding member (222), the liquid guiding member (222) is located in the atomizing core housing (2211), the liquid guiding member (222) and the atomizing core housing (2211) are sleeved outside the air duct (23), and one end of the air duct (23) away from the cover body (24) extends out of the liquid guiding member (222).
  3. 3. The atomizing assembly according to claim 2, wherein the atomizing core (22) further comprises an atomizing core holder (2212), a portion of the atomizing core holder (2212) is located in the atomizing core housing (2211) and is sleeved outside the liquid guide (222), and another portion of the atomizing core holder (2212) is located outside the atomizing core housing (2211), is connected to the atomizing core housing (2211), and is sleeved outside the cover (24).
  4. 4. The atomizing assembly according to claim 2, wherein the air duct (23) comprises a first air duct (231) and an end air duct (232), a first end of the first air duct (231) is closed, a side wall of the first air duct (231) is provided with a first air inlet (2311 a), one end of the end air duct (232) is connected with the first end of the first air duct (231), the other end of the end air duct (232) is connected with the cover body (24), and a side wall of the end air duct (232) is provided with an air outlet (232 a).
  5. 5. The atomizing assembly according to claim 4, wherein said first air inlet (2311 a) and said air outlet (232 a) satisfy at least one of: At most one of the first air inlet (2311 a) and the air outlet (232 a) is positioned at one end of the liquid guide (222) away from the cover (24); at most one of the first air inlet (2311 a) and the air outlet (232 a) is positioned at one end of the liquid guide (222) close to the cover (24).
  6. 6. The atomizing assembly according to claim 4, wherein an inlet of the first air inlet (2311 a) is located outside of an inner sidewall of the liquid guide (222).
  7. 7. An atomizing assembly according to any one of claims 2 to 6, characterized in that a gap is provided between the liquid guide (222) and the air duct (23).
  8. 8. The atomizing assembly according to any one of claims 4 to 6, wherein an inner sidewall of the first air pipe (231) has an annular step surface (231 a), and the first air inlet (2311 a) is located at a side of the annular step surface (231 a) away from the end air pipe (232).
  9. 9. The atomizing assembly according to claim 8, wherein an edge of said first air inlet (2311 a) is tangential to said annular step surface (231 a).
  10. 10. The atomizing assembly according to claim 8, wherein the first air pipe (231) comprises a first pipe body (2311) and a second pipe body (2312), the first pipe body (2311) has an inner diameter larger than that of the second pipe body (2312), one end of the first pipe body (2311) is coaxially connected with one end of the second pipe body (2312), the annular stepped surface (231 a) is formed on the end surface of the second pipe body (2312), and the other end of the second pipe body (2312) is closed.
  11. 11. The atomizing assembly according to any one of claims 4-6, 9-10, wherein the air duct (23) further comprises a second air duct (233), the second air duct (233) is inserted into the second end of the first air duct (231), an outer wall of the second air duct (233) is connected to the second end of the first air duct (231), and a gap between the second air duct (233) and the first air duct (231) communicates with the second air duct (233) and the first air inlet (2311 a).
  12. 12. The atomizing assembly according to claim 11, wherein said first air inlet (2311 a) is opposite an outer sidewall of said second air conduit (233).
  13. 13. The atomizing assembly according to claim 12, wherein an end of the second air tube (233) adjacent to the end air tube (232) is closed, a side wall of the second air tube (233) has a second air inlet (233 a), and the second air inlet (233 a) is located on a side of the first air inlet (2311 a) adjacent to the end air tube (232).
  14. 14. An atomizer for the use in a spray gun, characterized by comprising the following steps: a reservoir assembly (210) for storing a aerosol matrix; The atomizing assembly (220) according to any one of claims 1 to 13, being located in the liquid storage assembly (210), the atomizing assembly (220) being configured to heat an aerosol matrix to form an aerosol.
  15. 15. An aerosol-generating device comprising a power supply assembly (100) and a nebulizer (200) according to claim 14, the power supply assembly (100) being adapted to supply power to the nebulizing assembly (220).

Description

Atomizing assembly, atomizer and aerosol-generating device Technical Field The application relates to the field of aerosol generating devices, in particular to an atomization assembly, an atomizer and an aerosol generating device. Background Common aerosol-generating devices include a nebulizer and a power supply assembly, the nebulizer being connected to the power supply assembly. During operation, the power supply assembly supplies power to the atomizer. The atomizer includes stock solution subassembly and atomizing subassembly, and atomizing subassembly is arranged in the stock solution subassembly. The atomizing assembly is generally tubular and has one end connected to the bottom of the atomizer and the other end connected to the nozzle of the atomizer. It has now been found that some aerosol-generating devices of the related art are prone to liquid leakage at the bottom of the atomizer during use. Disclosure of utility model The embodiment of the application provides an atomization assembly, an atomizer and an aerosol generating device, which can reduce the risk of liquid leakage of the atomizer. The technical scheme is as follows: In a first aspect, an embodiment of the present application provides an atomization assembly, including an atomization core, an air duct, and a cap; The cover body is annular and sleeved at one end of the air duct and is connected with the pipe wall of the air duct; The atomization core is internally provided with an atomization channel, the air duct is positioned in the atomization channel, and the cover body is positioned at the inlet of the atomization channel and is in sealing fit with the atomization channel. In some examples, the atomizing core includes an atomizing core housing and a liquid guide, the liquid guide is located in the atomizing core housing, the liquid guide and the atomizing core housing are both sleeved outside the air duct, and one end of the air duct, which is far away from the cover body, extends out of the liquid guide. In some examples, the atomizing core further comprises an atomizing core support, a part of the atomizing core support is located in the atomizing core outer cover and sleeved outside the liquid guide piece, and the other part of the atomizing core support is located outside the atomizing core outer cover, connected with the atomizing core outer cover and sleeved outside the cover. In some examples, the airway tube includes a first tube having a first end closed and a side wall having a first air inlet, and an end tube having one end connected to the first end of the first tube and another end connected to the cover, and a side wall having an air outlet. In some examples, the first air inlet and the air outlet meet at least one of: At most one of the first air inlet and the air outlet is positioned at one end of the liquid guide piece far away from the cover body; At most one of the first air inlet and the air outlet is positioned at one end of the liquid guide piece, which is close to the cover body. In some examples, the inlet of the first air inlet is located outside of the inner sidewall of the liquid guide. In some examples, there is a gap between the liquid guide and the gas guide tube. In some examples, the inner sidewall of the first air tube has an annular stepped surface, and the first air inlet is located on a side of the annular stepped surface remote from the end air tube. In some examples, an edge of the first air inlet is tangential to the annular step surface. In some examples, the first gas pipe comprises a first pipe body and a second pipe body, wherein the inner diameter of the first pipe body is larger than that of the second pipe body, one end of the first pipe body is coaxially connected with one end of the second pipe body, the annular step surface is formed on the end face of the second pipe body, and the other end of the second pipe body is closed. In some examples, the air duct further comprises a second air duct inserted at the second end of the first air duct, an outer wall of the second air duct is connected to the second end of the first air duct, and a gap between the second air duct and the first air duct communicates the second air duct with the first air inlet. In some examples, the first air inlet is opposite an outer sidewall of the second air tube. In some examples, the second air tube is closed at an end proximate to the end air tube, and the sidewall of the second air tube has a second air inlet located on a side of the first air inlet proximate to the end air tube. In a second aspect, embodiments of the present application also provide a nebulizer, the nebulizer comprising: The liquid storage component is used for storing the aerosol matrix; An atomizing assembly according to the first aspect is located in the reservoir assembly, the atomizing assembly being for heating an aerosol matrix to form an aerosol. In a third aspect, embodiments of the present application also provide an aerosol-gene