Atomizer and electronic atomizing device

Abstract

An atomizer and an electronic atomizing device. The atomizer includes an atomizing member, an airflow channel, and a liquid storage groove. The atomizing member includes a cylindrical atomizing core and a liquid guiding cotton surrounding the atomizing core. The airflow channel includes an air outlet channel. The liquid storage groove is disposed on the air outlet channel for absorbing condensate by capillary force. A liquid returning structure is arranged on a bottom of the liquid storage groove to make the liquid storage groove be in fluid connection to the liquid guiding cotton for guiding liquid. The liquid returning structure is a stepped structure including a bottom wall and a top wall; a top end of the liquid guiding cotton abuts against the top wall and a side surface of the liquid guiding cotton abuts against the bottom wall.

What is claimed is: 
     
         1 . An atomizer, comprising:
 an atomizing member, comprising a cylindrical atomizing core and a liquid guiding cotton surrounding the atomizing core;   an airflow channel, comprising an air outlet channel; and   a liquid storage groove, disposed on the air outlet channel for absorbing condensate by capillary force;   wherein a liquid returning structure is arranged on a bottom of the liquid storage groove to make the liquid storage groove be in fluid connection to the liquid guiding cotton for guiding liquid;   wherein the liquid returning structure is a stepped structure comprising a bottom wall and a top wall; a top end of the liquid guiding cotton abuts against the top wall and a side surface of the liquid guiding cotton abuts against the bottom wall.   
     
     
         2 . The atomizer according to  claim 1 , wherein a first liquid suction structure and a second liquid suction structure having a fluid connection with the first liquid suction structure are defined on the air outlet channel, the first liquid suction structure and the second liquid suction structure are configured to absorb the condensate formed on the air outlet channel by capillary forces; the second liquid suction structure is located between the atomizing member and the first liquid suction structure, and the capillary force of the second liquid suction structure is greater than the capillary force of the first liquid suction structure;
 wherein the liquid storage groove is defined on the second liquid suction structure.   
     
     
         3 . The atomizer according to  claim 2 , wherein the second liquid suction structure has an inner wall, the inner wall concaves to form the liquid storage groove, and the inner wall of the second liquid suction structure encloses a part of the air outlet channel. 
     
     
         4 . The atomizer according to  claim 3 , wherein the first liquid suction structure is a liquid suction groove extending along a longitudinal direction of an inner wall of the air outlet channel, and one end of the liquid suction groove is butted with the liquid storage groove;
 wherein the liquid suction groove comprises a plurality of liquid suction grooves, and the plurality of liquid suction grooves are evenly distributed along a peripheral wall of the air outlet channel and substantially parallel to a central axis of the air outlet channel.   
     
     
         5 . The atomizer according to  claim 2 , wherein the atomizer further comprises a liquid storage cavity used for accommodating liquid medium, the second liquid suction structure comprises a liquid returning groove slitting at least part of the liquid storage groove, and the liquid returning groove is configured to make the liquid medium in the liquid storage groove return to the atomizing member to be atomized again along the liquid returning groove in response to excessive liquid medium accumulated in the liquid storage groove. 
     
     
         6 . The atomizer according to  claim 3 , wherein the air outlet channel comprises a first airway wall and a second airway wall detachable with the first airway wall, the first liquid suction structure is defined on the first airway wall, and the second airway wall is an inner wall of the first liquid suction structure. 
     
     
         7 . The atomizer according to  claim 3 , wherein the second liquid suction structure is defined on an integrally-formed single element. 
     
     
         8 . The atomizer according to  claim 2 , wherein the air outlet channel comprises an inner cavity of the second liquid suction structure and an air outlet tube, the first liquid suction structure is defined on the air outlet tube, and the second liquid suction structure is disposed below the air outlet tube. 
     
     
         9 . The atomizer according to  claim 4 , a bottom surface of the liquid suction groove is a slope inclined toward a direction away from the atomizing member. 
     
     
         10 . The atomizer according to  claim 3 , wherein the second liquid suction structure comprises at least one liquid guiding groove fluidly coupled to a part of the liquid storage groove and used to dispense a condensate. 
     
     
         11 . The atomizer according to  claim 4 , wherein a groove depth of the liquid suction groove is configured to be gradually increased toward the liquid storage groove; and/or
 a groove width of the liquid suction groove is configured to be gradually increased toward the liquid storage groove; and/or   the groove width of the liquid suction groove is configured to be gradually increased from a bottom of the liquid suction groove to an opening of the liquid suction groove.   
     
     
         12 . An electronic atomizing device, comprising:
 an atomizing member;   an air outlet channel; and   a condensate recovery structure defined on the air outlet channel, comprising:
 a capillary-driven liquid storage groove; and 
 at least one liquid guiding groove, fluidly connected to the capillary-driven liquid storage groove; 
 wherein the at least one liquid guiding groove is configured to direct condensate from the air outlet channel to the liquid storage groove by capillary force. 
   
     
     
         13 . An electronic atomizing device, comprising:
 an atomizing member; and   a condensate recovery unit on an air outlet channel, comprising:
 a capillary-driven liquid storage groove; and 
 a liquid return interface, arranged on a bottom of the capillary-driven liquid storage groove and configured to contact a liquid guiding cotton of the atomizing member; 
 wherein the liquid return interface comprises a stepped surface formed by intersecting planes, and the liquid guiding cotton is compressed against the stepped surface to form a liquid return path. 
   
     
     
         14 . The electronic atomizing device according to  claim 13 , wherein a first liquid suction structure and a second liquid suction structure having a fluid connection with the first liquid suction structure are defined on the air outlet channel, the first liquid suction structure and the second liquid suction structure are configured to absorb the condensate formed on the air outlet channel by capillary forces; the second liquid suction structure is located between the atomizing member and the first liquid suction structure, and the capillary force of the second liquid suction structure is greater than the capillary force of the first liquid suction structure;
 wherein the capillary-driven liquid storage groove is defined on the second liquid suction structure.   
     
     
         15 . The electronic atomizing device according to  claim 14 , wherein the second liquid suction structure has an inner wall, the inner wall concaves to form the capillary-driven liquid storage groove, and the inner wall of the second liquid suction structure encloses a part of the air outlet channel. 
     
     
         16 . The electronic atomizing device according to  claim 15 , wherein the first liquid suction structure is a liquid suction groove extending along a longitudinal direction of an inner wall of the air outlet channel, and one end of the liquid suction groove is butted with the capillary-driven liquid storage groove;
 wherein the liquid suction groove comprises a plurality of liquid suction grooves, and the plurality of liquid suction grooves are evenly distributed along a peripheral wall of the air outlet channel and substantially parallel to a central axis of the air outlet channel.   
     
     
         17 . The electronic atomizing device according to  claim 14 , wherein the electronic atomizing device further comprises a liquid storage cavity used for accommodating liquid medium, the second liquid suction structure comprises a liquid returning groove slitting at least part of the capillary-driven liquid storage groove, and the liquid returning groove is configured to make the liquid medium in the capillary-driven liquid storage groove return to the atomizing member to be atomized again along the liquid returning groove in response to excessive liquid medium accumulated in the capillary-driven liquid storage groove. 
     
     
         18 . The electronic atomizing device according to  claim 15 , wherein the air outlet channel comprises a first airway wall and a second airway wall detachable with the first airway wall, the first liquid suction structure is defined on the first airway wall, and the second airway wall is an inner wall of the first liquid suction structure. 
     
     
         19 . The electronic atomizing device according to  claim 15 , wherein the second liquid suction structure is defined on an integrally-formed single element. 
     
     
         20 . The electronic atomizing device according to  claim 14 , wherein the air outlet channel comprises an inner cavity of the second liquid suction structure and an air outlet tube, the first liquid suction structure is defined on the air outlet tube, and the second liquid suction structure is disposed below the air outlet tube.