Vaporizer, electronic vaporization device, and seal element for vaporizer

Abstract

A vaporizer includes a liquid storage cavity for storing a liquid substrate; a porous body in fluid communication with the liquid storage cavity to receive the liquid substrate; a heating element combined with the porous body to heat the liquid substrate to generate an aerosol; a holder to hold the porous body; and a seal element, arranged between the holder and the porous body to seal a gap between the holder and the porous body, where the seal element includes a plurality of side walls surrounding the porous body along a circumferential direction of the porous body and an upper end wall. The seal element includes convex ribs extending on outer surfaces of the plurality of side walls and the upper end wall or on inner surfaces of the plurality of side walls and the upper end wall, and the convex ribs are connected into at least one closed ring.

1 . A vaporizer, comprising:
 a liquid storage cavity, configured to store a liquid substrate;   a porous body, being in fluid communication with the liquid storage cavity to receive the liquid substrate;   a heating element, combined with the porous body, and configured to heat at least a part of the liquid substrate in the porous body to generate an aerosol;   a holder, configured to hold the porous body; and   a seal element, arranged between the holder and the porous body, and configured to seal a gap between the holder and the porous body, wherein the seal element comprises a plurality of side walls surrounding the porous body along a circumferential direction of the porous body and an upper end wall, wherein:   the seal element comprises convex ribs extending on outer surfaces of the plurality of side walls and the upper end wall or on inner surfaces of the plurality of side walls and the upper end wall, and the convex ribs are connected into at least one closed ring.   
     
     
         2 . The vaporizer according to  claim 1 , wherein a liquid guide hole is arranged on the seal element, and the porous body is in fluid communication with the liquid storage cavity through the liquid guide hole; and the liquid guide hole is located in the at least one closed ring. 
     
     
         3 . The vaporizer according to  claim 1 , wherein the convex ribs are symmetrically arranged along a length direction and/or a width direction of the seal element. 
     
     
         4 . The vaporizer according to  claim 1 , wherein the convex ribs comprise several sections, and the several sections are connected end to end successively to form the at least one closed ring. 
     
     
         5 . The vaporizer according to  claim 4 , wherein any two adjacent sections of the several sections of the convex ribs are basically perpendicular to each other. 
     
     
         6 . The vaporizer according to  claim 1 , wherein the porous body has a liquid channel that runs through the porous body along a length direction, and is in fluid communication with the liquid storage cavity through the liquid channel; and the convex ribs avoid the liquid channel. 
     
     
         7 . The vaporizer according to  claim 1 , wherein the plurality of side walls comprise at least a first side wall and a second side wall opposite to each other along the length direction of the seal element, and a third side wall and a fourth side wall opposite to each other along the width direction of the seal element. 
     
     
         8 . The vaporizer according to  claim 7 , wherein the convex ribs comprise:
 a first convex rib, arranged on the outer surface(s) of the first side wall or/and the second side wall;   a second convex rib, arranged on the outer surface of the upper end wall;   a third convex rib, arranged on the outer surface of the third side wall; and   a fourth convex rib, arranged on the outer surface of the fourth side wall, wherein:   the first convex rib, the second convex rib, the third convex rib, and the fourth convex rib are connected into the at least one closed ring.   
     
     
         9 . The vaporizer according to  claim 8 , wherein:
 the first convex rib comprises a first section arranged on the first side wall and a second section arranged on the second side wall;   the second convex rib comprises a third section and a fourth section opposite to each other along the width direction of the seal element, wherein the third section is arranged close to the third side wall, and the fourth section is arranged close to the fourth side wall;   the third convex rib comprises a fifth section and a sixth section arranged opposite to each other along the length direction of the seal element, wherein the fifth section is arranged close to the first side wall, and the sixth section is arranged close to the second side wall;   the fourth convex rib comprises a seventh section and an eighth section arranged opposite to each other along the length direction of the seal element, wherein the seventh section is arranged close to the first side wall, and the eighth section is arranged close to the second side wall; and   the first section, the fifth section, the third section, the sixth section, the second section, the eighth section, the fourth section, and the seventh section are connected end to end successively to form a closed ring.   
     
     
         10 . The vaporizer according to  claim 8 , wherein:
 the first convex rib comprises a first section arranged on the first side wall and a second section arranged on the second side wall;   the second convex rib comprises a third section and a fourth section opposite to each other along the width direction of the seal element, wherein the third section is arranged close to the first side wall, and the fourth section is arranged close to the second side wall;   the third convex rib comprises a fifth section and a sixth section arranged opposite to each other along the length direction of the seal element, wherein the fifth section is arranged close to the first side wall, and the sixth section is arranged close to the second side wall;   the fourth convex rib comprises a seventh section and an eighth section arranged opposite to each other along the length direction of the seal element, wherein the seventh section is arranged close to the first side wall, and the eighth section is arranged close to the second side wall; and   the first section, the fifth section, the third section, and the seventh section are connected end to end successively to form a first closed ring, and the second section, the sixth section, the fourth section, and the eighth section are connected end to end successively to form a second closed ring.   
     
     
         11 . The vaporizer according to  claim 10 , further comprising a flue gas output channel, wherein the upper end wall is provided with a through hole opposite to the flue gas output channel; and
 the third section and the fourth section are arranged at two sides of the through hole respectively.   
     
     
         12 . The vaporizer according to  claim 10 , wherein the third section and/or the fourth section extend(s) along the width direction of the seal element. 
     
     
         13 . The vaporizer according to  claim 8 , wherein at least a part of the third convex rib and/or the fourth convex rib is arranged obliquely. 
     
     
         14 . The vaporizer according to  claim 8 , wherein the porous body has a first direction, a second direction perpendicular to the first direction, and a third direction perpendicular to the first direction and the second direction; the porous body comprises a base part, and the base part is arranged parallel to the second direction and the third direction, and is provided with a liquid absorption surface and a vaporization surface facing away from each other along the first direction; the porous body further comprises a first extension arm and a second extension arm extending from the base part away from the vaporization surface, and a support part extending between the first extension arm and the second extension arm; and the first extension arm and the second extension arm are parallel to the second direction, and are arranged opposite to each other along the third direction. 
     
     
         15 . The vaporizer according to  claim 14 , wherein the first convex rib is opposite to at least a part of the base part;
 and/or the third convex rib is opposite to at least a part of the first extension arm;   and/or the fourth convex rib is opposite to at least a part of the second extension arm.   
     
     
         16 . The vaporizer according to  claim 7 , wherein the convex ribs comprise:
 a first section, located on the inner surface of the first side wall and extending along the width direction of the seal element;   a second section, located on the inner surface of the first side wall and close to the third side wall;   a third section, extending on the inner surface of the upper end wall along the length direction of the seal element and close to the third side wall;   a fourth section, extending on the inner surface of the upper end wall along the width direction of the seal element;   a fifth section, extending on the inner surface of the upper end wall along the length direction of the seal element and close to the fourth side wall; and   a sixth section, located on the inner surface of the first side wall and close to the fourth side wall.   
     
     
         17 . The vaporizer according to  claim 7 , wherein the convex ribs comprise:
 a first section, located on the inner surface of the first side wall and extending along the width direction of the seal element;   a second section, located on the inner surface of the first side wall and close to the third side wall;   a third section, extending on the inner surface of the upper end wall along the length direction of the seal element and close to the third side wall;   a fourth section, located on the inner surface of the second side wall and close to the third side wall;   a fifth section, located on the inner surface of the second side wall and extending along the width direction of the seal element;   a sixth section, located on the inner surface of the second side wall and close to the fourth side wall;   a seventh section, extending on the inner surface of the upper end wall along the length direction of the seal element and close to the fourth side wall; and   an eighth section, located on the inner surface of the first side wall and close to the fourth side wall.   
     
     
         18 . An electronic vaporization device, comprising a vaporization device, and a power supply device configured to supply power to the vaporization device, wherein the vaporization device comprises the vaporizer according to  claim 1 . 
     
     
         19 . A seal element for a vaporizer, the seal element comprising a plurality of side walls and an upper end wall, wherein the seal element comprises several convex ribs extending on outer surfaces of the plurality of side walls and the upper end wall or on inner surfaces of the plurality of side walls and the upper end wall, and the several convex ribs are connected into at least one closed ring.