Atomizer, electronic atomization apparatus, and sealing element for electronic atomization apparatus

Abstract

An atomizer, an electronic atomization apparatus, and a sealing element for the electronic atomization apparatus are provided. The atomizer includes a main housing; a liquid storage cavity for storing a liquid matrix; an atomization assembly used for atomizing the liquid matrix to generate aerosol; a support having a first cavity; and a flexible sealing element including a peripheral side wall. The peripheral side wall is arranged between the support and the main housing, and at least partially surrounds the support, so as to provide sealing between the support and the main housing. The sealing element further includes a sealing portion extending into the first cavity. The sealing part is arranged between the inner surface of the first cavity and the atomization assembly, so as to provide sealing between the inner surface of the first cavity and the atomization assembly.

1 . An atomizer comprising a housing, wherein the housing is provided therein with:
 a liquid storage cavity, configured to store a liquid substrate;   an atomization assembly, configured to atomize the liquid substrate to generate an aerosol;   a support, having a first cavity, wherein the atomization assembly is accommodated in the first cavity; and   a flexible sealing element, comprising a peripheral side wall, wherein the peripheral side wall is arranged to be located between the support and the housing and at least partially surround the support, to provide sealing between the support and the housing, the sealing element further comprises a sealing portion extending into the first cavity; and the sealing portion is arranged to be at least partially located between an inner surface of the first cavity and the atomization assembly, to provide sealing between the inner surface of the first cavity and the atomization assembly.   
     
     
         2 . The atomizer according to  claim 1 , wherein:
 the support further defines a liquid channel, and the atomization assembly is in fluid communication with the liquid storage cavity through the liquid channel, to receive the liquid substrate in the liquid storage cavity; and   the liquid channel has a liquid outlet port located on the inner surface of the first cavity, and the sealing portion is arranged to surround the liquid outlet port.   
     
     
         3 . The atomizer according to  claim 1 , wherein the sealing portion is constructed in an annular shape. 
     
     
         4 . The atomizer according to  claim 1 , wherein the atomization assembly comprises:
 a porous body, having a first surface and a second surface, wherein the first surface is configured to be in fluid communication with the liquid storage cavity to receive the liquid substrate; and   a heating element, integrated on the second surface to heat the liquid substrate to generate an aerosol,   wherein the sealing portion is arranged to be located between the first surface and the inner surface of the first cavity.   
     
     
         5 . The atomizer according to  claim 4 , wherein the sealing portion is provided with a portion surrounding the porous body in a circumferential direction of the porous body. 
     
     
         6 . The atomizer according to  claim 4 , wherein:
 the porous body comprises a first porous portion and a second porous portion arranged in sequence in a longitudinal direction of the support, and a cross-sectional area of the second porous portion is less than a cross-sectional area of the first porous portion; and   the first surface is formed on the first porous portion, and the second surface is formed on the second porous portion.   
     
     
         7 - 8 . (canceled) 
     
     
         9 . The atomizer according to  claim 1 , wherein the support has a transverse direction perpendicular to a longitudinal direction, the support is provided with a first opening located on one side of the transverse direction, and the atomization assembly is configured to be received in the first cavity or removed from the first cavity through the first opening. 
     
     
         10 . (canceled) 
     
     
         11 . The atomizer according to  claim 9 , wherein the support is provided with a second opening located on an other side of the transverse direction, the atomization assembly is partially exposed from the second opening, and a width of the second opening is less than the width of the first opening. 
     
     
         12 . (canceled) 
     
     
         13 . The atomizer according to  claim 9 , wherein the sealing element further comprises at least one connection arm located between the peripheral side wall and the sealing portion, the sealing portion is connected to the peripheral side wall through the at least one connection arm, and the at least one connection arm is bendable. 
     
     
         14 . (canceled) 
     
     
         15 . The atomizer according to  claim 1 , wherein:
 the first cavity comprises a first portion and a second portion arranged in sequence in a longitudinal direction of the support, a cross-sectional area of the first portion is less than that of the second portion, and the atomization assembly is at least partially accommodated and held in the first portion;   the support has a transverse direction perpendicular to the longitudinal direction, the support is provided with a first opening located on one side of the transverse direction, the first opening comprises a first section, a width of the first section is greater than or equal to a length of the atomization assembly, and the atomization assembly is configured to be received in the first cavity in the transverse direction through the first section; and   the first section is staggered with respect to the first portion in the longitudinal direction of the support.   
     
     
         16 . The atomizer according to  claim 15 , wherein:
 the first opening further comprises a second section facing the first portion in the longitudinal direction of the support; and   the width of the second section is less than the length of the atomization assembly to prevent the atomization assembly from entering the first portion in the transverse direction through the second section.   
     
     
         17 . The atomizer according to  claim 1 , wherein:
 the first cavity comprises a first portion and a second portion arranged in sequence in a longitudinal direction of the support, and a cross-sectional area of the first portion is less than that of the second portion; and   the support has a transverse direction perpendicular to the longitudinal direction, the support has a first opening provided in the transverse direction, and the atomization assembly is configured to be received in the second portion in the transverse direction through the first opening and at least partially moved from the second portion into the first portion for stop.   
     
     
         18 . The atomizer according to  claim 1 , further comprising an air channel configured to provide a flowing path for air to enter the liquid storage cavity from the first cavity. 
     
     
         19 . The atomizer according to  claim 18 , wherein:
 the support is provided with a vent hole; and   the sealing element further comprises a columnar portion at least partially extending in the vent hole, and the air channel is defined between an outer surface of the columnar portion and an inner surface of the vent hole.   
     
     
         20 . The atomizer according to  claim 19 , wherein:
 the sealing element further comprises an end wall, a liquid guide hole is provided on the end wall, and the end wall is constructed to seal the liquid storage cavity, so that the liquid substrate substantially leaves only through the liquid guide hole; and   the columnar portion extends from the end wall into the vent hole.   
     
     
         21 . The atomizer according to  claim 20 , wherein an avoidance hole adjacent to the columnar portion is further provided on the end wall, so that air in the air channel enters the liquid storage cavity through the avoidance hole. 
     
     
         22 - 23 . (canceled) 
     
     
         24 . The atomizer according to  claim 9 , wherein the peripheral side wall is provided with a third opening facing the first opening, and a width of the third opening is greater than or equal to a width of the first opening. 
     
     
         25 . The atomizer according to  claim 1 , wherein the support further comprises:
 a second cavity, farther away from the liquid storage cavity than the first cavity, and the second cavity is in fluid communication with the first cavity to receive and hold an aerosol condensate in the first cavity.   
     
     
         26 . An electronic atomization apparatus, comprising an atomizer configured to atomize a liquid substrate to generate an aerosol and a power supply mechanism configured to supply power to the atomizer, wherein the atomizer comprises the atomizer according to  claim 1 . 
     
     
         27 . A sealing element for an electronic atomization apparatus, wherein the sealing element is flexible, and the sealing element has a longitudinal direction and a transverse direction perpendicular to the longitudinal direction, and the sealing element comprises:
 a peripheral side wall, constructed to extend in the longitudinal direction, wherein the peripheral side wall has a third opening provided in the transverse direction; and   the sealing element further comprises a sealing portion connected to the peripheral side wall, and the sealing portion is constructed to selectively extend into or be removed from a space defined by the peripheral side wall through the third opening.   
     
     
         28 . (canceled)