Atomizer and electronic atomizing device having the same

Abstract

The present disclosure relates to an atomizer and an electronic atomizing device. The atomizer includes a top cover assembly and an atomizing core at least partially received in the top cover assembly. The top cover assembly is provided with a guiding passage and an air guiding hole therein. An at least partially protruding or recessed structure is formed between the guiding passage and the air guiding hole. The atomizing core discharges an aerosol formed by atomizing a liquid into the air guiding hole via the guiding passage.

What is claimed is: 
     
         1 . An atomizer, comprising:
 a top cover assembly provided with a guiding passage and an air guiding hole therein, the top cover assembly comprising a protruding or recessed structure between the guiding passage and the air guiding hole; and   an atomizing core at least partially received in the top cover assembly;   wherein the atomizing core is configured to discharge an aerosol formed by atomizing a liquid into the air guiding hole via the guiding passage.   
     
     
         2 . The atomizer according to  claim 1 , wherein the top cover assembly has an inner wall surface defining a boundary of the guiding passage, the protruding or recessed structure is located on the inner wall surface. 
     
     
         3 . The atomizer according to  claim 2 , wherein the top cover assembly further has an outer wall surface connected to the inner wall surface, the guiding passage extends through the outer wall surface, the inner wall surface comprises an inner sidewall surface parallel to a central axis of the atomizer, the recessed structure comprises a first groove formed on the inner sidewall surface extending through the outer wall surface. 
     
     
         4 . The atomizer according to  claim 3 , wherein the recessed structure further comprises a second groove in fluid communication with the first groove, an extending direction of the second groove forms an angle with an extending direction of the first groove. 
     
     
         5 . The atomizer according to  claim 4 , wherein the top cover assembly further has a second inner bottom wall surface defining a part of a boundary of the second groove, the recessed structure further comprises a micro-groove formed on the second inner bottom wall surface, a width of the micro-groove is less than a width of the second groove, an extending direction of the micro-groove forms an angle with the central axis of the atomizer. 
     
     
         6 . The atomizer according to  claim 3 , wherein the inner wall surface comprises an inner top wall surface, the inner top wall surface forms an angle with the central axis of the atomizer and is connected to the inner sidewall surface, the recessed structure further comprises a third groove formed on the inner top wall surface extending through the outer wall surface. 
     
     
         7 . The atomizer according to  claim 1 , further comprising a housing, wherein the top cover assembly and the atomizing core are at least partially received in the housing, the housing is provided with an inhaling hole coaxially with the air guiding hole, the air guiding hole is in fluid communication between the inhaling hole and the guiding passage, an end of the inhaling hole away from the air guiding hole forms a nozzle that is in fluid communication with an outside atmosphere. 
     
     
         8 . The atomizer according to  claim 7 , wherein the housing comprises a shell and a central post, the central post is located in the shell and inserted into the air guiding hole, the central post comprises a tip portion located in the air guiding hole, the top cover assembly further has a first inner surface defining a boundary of the air guiding hole, a gap is formed between the tip portion and the first inner surface. 
     
     
         9 . The atomizer according to  claim 8 , wherein the central post has a second inner surface defining a boundary of the inhaling hole, the second inner surface is recessed to form an receiving groove extending along a central axis of the inhaling hole. 
     
     
         10 . An electronic atomizing device, comprising a power supply and the atomizer according to  claim 1  electrically connected to the power supply.