E-cigarette atomization device and e-cigarette

Abstract

An e-cigarette atomization device and e-cigarette are provided. The e-cigarette atomization device includes a housing, a liquid storage chamber, an upper cover, an atomization assembly, and a lower cover. The housing has an air outlet channel. The lower cover cooperates with and is connected to the housing. The lower cover has an air inlet channel. The upper cover and the atomization assembly are located inside the housing. The upper cover cooperates with the lower cover to form an accommodating cavity. The atomization assembly is located inside the accommodating cavity. An atomization chamber is formed between the atomization assembly and the lower cover. The atomization chamber is in communication with the air outlet channel and the air inlet channel respectively. The upper cover includes a sidewall. The sidewall has a ventilation channel.

What is claimed is: 
     
         1 . An e-cigarette atomization device, comprising:
 a housing, and a liquid storage chamber located inside the housing, the housing having an air outlet channel; and   an upper cover, an atomization assembly, and a lower cover,   the lower cover cooperating with and being connected to the housing, the lower cover having an air inlet channel, the upper cover and the atomization assembly being located inside the housing, the upper cover cooperating with the lower cover to form an accommodating cavity, the atomization assembly being located inside the accommodating cavity, the atomization assembly being configured to heat and atomize a liquid inside the liquid storage chamber, an atomization chamber being formed between the atomization assembly and the lower cover, and the atomization chamber being in communication with the air outlet channel and the air inlet channel respectively; and   the upper cover comprising a sidewall, the sidewall having a ventilation channel, a side surface of the sidewall facing toward the housing being an outer surface, a side surface of the sidewall facing toward the atomization assembly being an inner surface, the ventilation channel running through the inner surface and the outer surface of the sidewall, and the ventilation channel being in communication with the liquid storage chamber and the atomization chamber respectively.   
     
     
         2 . The e-cigarette atomization device according to  claim 1 , wherein the atomization assembly comprises a porous element and a heating element, the porous element comprises a liquid absorption surface and an atomization surface arranged opposite to each other, the heating element is arranged on the atomization surface, and a space between the atomization surface and the lower cover forms the atomization chamber. 
     
     
         3 . The e-cigarette atomization device according to  claim 1 , wherein the ventilation channel runs through the sidewall of the upper cover along an extending direction from the outer surface of the sidewall to the inner surface of the sidewall. 
     
     
         4 . The e-cigarette atomization device according to  claim 3 , wherein the extending direction of the ventilation channel is parallel to a first direction or is at a preset angle to the first direction, wherein the first direction is a direction parallel to the atomization surface. 
     
     
         5 . The e-cigarette atomization device according to  claim 1 , wherein a first end of the ventilation channel runs through the inner surface of the sidewall of the upper cover and is in communication with the liquid storage chamber, and a second end of the ventilation channel runs through the outer surface of the sidewall of the upper cover and is in communication with the atomization chamber. 
     
     
         6 . The e-cigarette atomization device according to  claim 5 , wherein the sidewall of the upper cover, the lower cover, and the housing cooperate to form an airflow channel, and the second end of the ventilation channel is in communication with the atomization chamber through the airflow channel. 
     
     
         7 . The e-cigarette atomization device according to  claim 1 , further comprising at least one elastic member, the at least one elastic member being configured to close and open the ventilation channel. 
     
     
         8 . The e-cigarette atomization device according to  claim 7 , wherein when an air pressure inside the liquid storage chamber is greater than or equal to an outside atmospheric pressure, the at least one elastic member covers at least one of the first end and the second end of the ventilation channel to close the ventilation channel; and
 when the air pressure inside the liquid storage chamber is less than the outside atmospheric pressure, the at least one elastic member deforms to open the ventilation channel.   
     
     
         9 . The e-cigarette atomization device according to  claim 7 , further comprising a first sealing member, the first sealing member comprising a sealing member body and an elastic piece extending from the sealing member body, the elastic piece constituting the at least one elastic member, the sealing member body being sleeved over an outer edge of the upper cover and abutting against an inner wall of the housing, the sealing member body comprising a sealing top cover and a first sidewall, the sealing top cover being sleeved over a side surface of the upper cover facing toward the air outlet channel, the first sidewall abutting against the sidewall of the upper cover, the elastic piece extending toward the lower cover from an end of the first sidewall close to the lower cover, and the elastic piece covering the second end of the ventilation channel to close the ventilation channel. 
     
     
         10 . The e-cigarette atomization device according to  claim 9 , wherein when the air pressure inside the liquid storage chamber is less than an outside atmospheric pressure, the elastic piece deforms in a direction toward the housing to open the ventilation channel. 
     
     
         11 . The e-cigarette atomization device according to  claim 9 , wherein using an extending direction from the liquid absorption surface to the atomization surface as a second direction, an outer contour of an orthographic projection of the first sealing member on a plane perpendicular to the second direction is elliptical or racetrack-shaped. 
     
     
         12 . The e-cigarette atomization device according to  claim 11 , wherein the outer contour of the orthographic projection of the first sealing member on the plane perpendicular to the second direction comprises two opposite long sides and two opposite short sides, there are two elastic pieces, and the two elastic pieces are symmetrically distributed on the two opposite short sides. 
     
     
         13 . The e-cigarette atomization device according to  claim 11 , wherein the outer contour of the orthographic projection of the first sealing member on the plane perpendicular to the second direction comprises the two opposite long sides and the two opposite short sides, there is at least one elastic piece, and the at least one elastic piece is distributed on the long side. 
     
     
         14 . The e-cigarette atomization device according to  claim 8 , further comprising a second sealing member, the second sealing member being sleeved over an outer edge of the atomization assembly and abutting against the inner surface of the sidewall of the upper cover, the second sealing member comprising a second sidewall and a sealing edge extending from the second sidewall, the second sidewall comprising a lower sidewall close to an end of the lower cover and an upper sidewall away from the end of the lower cover, a deformation portion being formed on the upper sidewall, the deformation portion constituting the at least one elastic member, and the deformation portion covering the first end of the ventilation channel to close the ventilation channel. 
     
     
         15 . The e-cigarette atomization device according to  claim 14 , wherein the deformation portion is a tongue-shaped elastic piece. 
     
     
         16 . The e-cigarette atomization device according to  claim 14 , wherein when the air pressure inside the liquid storage chamber is less than the outside atmospheric pressure, the deformation portion deforms in a direction toward the porous element to open the ventilation channel. 
     
     
         17 . The e-cigarette atomization device according to  claim 14 , wherein using an extending direction from the liquid absorption surface to the atomization surface as a second direction, an outer contour of an orthographic projection of the second sealing member on a plane perpendicular to the second direction is elliptical or racetrack-shaped. 
     
     
         18 . The e-cigarette atomization device according to  claim 17 , wherein the outer contour of the orthographic projection of the second sealing member on the plane perpendicular to the second direction comprises two opposite long sides and two opposite short sides, there are two deformation portions, and the two deformation portions are symmetrically distributed on the two opposite short sides. 
     
     
         19 . The e-cigarette atomization device according to  claim 17 , wherein the outer contour of the orthographic projection of the second sealing member on the plane perpendicular to the second direction comprises the two opposite long sides and the two opposite short sides, there is at least one deformation portion, and the at least one deformation portion is distributed on the long side. 
     
     
         20 . An e-cigarette, comprising the e-cigarette atomization device according to  claim 1 .