Vaporization apparatus applied to e-cigarette and e-cigarette having same

Abstract

A vaporization apparatus applied to an e-cigarette and an e-cigarette having the same are disclosed. The vaporization apparatus includes a shell and a vaporization core. The shell includes a liquid storage bin, an air passage, and a vaporization bin inside and the vaporization bin is in communication with the air passage. The shell is provided with an air inlet in communication with the vaporization bin and an inhalation inlet in communication with the air passage. A ratio of an absolute value of a difference between cross-sectional areas of at least two of the vaporization bin exit, the air passage, the inhalation channel, and the inhalation inlet to a cross-sectional area of any one of the vaporization bin exit, the air passage, the inhalation channel, and the inhalation inlet is less than or equal to 20%.

What is claimed is: 
     
         1 . A vaporization apparatus applied to an e-cigarette, comprising:
 a shell, the shell comprising a liquid storage bin, an air passage, and a vaporization bin inside and the vaporization bin being in communication with the air passage,
 the shell being provided with an air inlet in communication with the vaporization bin and an inhalation inlet in communication with the air passage, 
 the vaporization bin being in communication with the air passage through a vaporization bin exit, 
 the air passage being in communication with the inhalation inlet through an inhalation channel, and 
 a ratio of an absolute value of a difference between cross-sectional areas of at least two of the vaporization bin exit, the air passage, the inhalation channel, and the inhalation inlet to a cross-sectional area of any one of the vaporization bin exit, the air passage, the inhalation channel, and the inhalation inlet being approximately less than or equal to 20%; and 
   a vaporization core, the vaporization core being arranged in the shell and being in communication with the liquid storage bin and the vaporization bin, and the vaporization core being configured to vaporize a to-be-vaporized medium in the liquid storage bin.   
     
     
         2 . The vaporization apparatus applied to an e-cigarette according to  claim 1 , wherein a ratio of an absolute value of a difference between cross-sectional areas of any two of the vaporization bin exit, the air passage, the inhalation channel, and the inhalation inlet to a cross-sectional area of any one of the vaporization bin exit, the air passage, the inhalation channel, and the inhalation inlet is approximately less than or equal to 20%. 
     
     
         3 . The vaporization apparatus applied to an e-cigarette according to  claim 1 , wherein a cross-sectional area of the vaporization bin exit is S 1 , a cross-sectional area of the air passage is S 2 , a cross-sectional area of the inhalation channel is S 3 , a cross-sectional area of the inhalation inlet is S 4 , and S 1 , S 2 , S 3 , and S 4  respectively meet the following conditions: S 1  is approximately greater than or equal to 3 mm 2  and approximately less than or equal to 6 mm 2 , S 2  is approximately greater than or equal to 3 mm 2  and approximately less than or equal to 6 mm 2 , S 3  is approximately greater than or equal to 3 mm 2  and approximately less than or equal to 6 mm 2 , and S 4  is approximately greater than or equal to 3 mm 2  and approximately less than or equal to 6 mm 2 . 
     
     
         4 . The vaporization apparatus applied to an e-cigarette according to  claim 1 , further comprising:
 a vaporization core fixing structure, a vaporization core mounting cavity and a vent cavity being formed on the vaporization core fixing structure, and the vaporization core mounting cavity and the vent cavity being spaced from each other, the vent cavity being in communication with the vaporization bin, and the vaporization core being arranged in the vaporization core mounting cavity; and   an elastic seal member, the elastic seal member being sleeved on the vaporization core fixing structure, at least a part of the elastic seal member being located between an inner wall surface of the shell and the vaporization core fixing structure, the elastic seal member and the vaporization core fixing structure defining a vent channel, and the vent channel being in communication with the vent cavity and the liquid storage bin.   
     
     
         5 . The vaporization apparatus applied to an e-cigarette according to  claim 4 , wherein at least one vent hole and at least one vent groove are formed in an outer peripheral surface of the vaporization core fixing structure,
 the vent hole runs through an outer peripheral wall of the vaporization core fixing structure and is in communication with the inside of the vent cavity,   an end of the vent groove is connected to the vent hole,   an other end of the vent groove runs through a side surface of the vaporization core fixing structure that faces the liquid storage bin, and   the vent hole, the vent groove, and the elastic seal member jointly define the vent channel.   
     
     
         6 . The vaporization apparatus applied to an e-cigarette according to  claim 5 , wherein
 the vent hole is formed at a side of the vaporization core fixing structure along the thickness direction of the shell,   a part of the vent groove extends to an other side of the vaporization core fixing structure along the thickness direction of the shell, and   the other end of the vent groove is located at an end of the vaporization core fixing structure along the width direction of the shell.   
     
     
         7 . The vaporization apparatus applied to an e-cigarette according to  claim 6 , wherein the vent groove comprises:
 a first vent groove section, an end of the first vent groove section being connected to the vent hole, and an other end of the first vent groove section extending to the other side of the vaporization core fixing structure along the thickness direction of the shell; and   a second vent groove section, an end of the second vent groove section being connected to the other end of the first vent groove section, and an other end of the second vent groove section running through the side surface of the vaporization core fixing structure that faces the liquid storage bin.   
     
     
         8 . The vaporization apparatus applied to an e-cigarette according to  claim 5 , wherein
 the vent hole is formed at an end of the vaporization core fixing structure along the width direction of the shell, and   the other end of the vent groove is located at a side of the vaporization core fixing structure along the thickness direction of the shell.   
     
     
         9 . The vaporization apparatus applied to an e-cigarette according to  claim 5 , wherein the elastic seal member comprises:
 an end seal portion, the end seal portion covering at least an edge part of the side surface of the vaporization core fixing structure that faces the liquid storage bin; and   a first seal portion and a second seal portion, both the first seal portion and the second seal portion being connected to the end seal portion and located on an outer peripheral side of the vaporization core fixing structure,   the vent channel being provided between the first seal portion and the vaporization core fixing structure, and   a maximum size of the second seal portion in the length direction of the shell being less than a maximum size of the first seal portion in the length direction of the shell.   
     
     
         10 . The vaporization apparatus applied to an e-cigarette according to  claim 9 , wherein the first seal portion covers the vent hole and the vent groove;
 a first seal rib extending along the circumferential direction of the vaporization core fixing structure is arranged on an outer peripheral surface of the first seal portion, and   at least one second seal rib extending along the circumferential direction of the vaporization core fixing structure is arranged on an outer peripheral surface of the second seal portion, wherein   the second seal rib is connected to the first seal rib.   
     
     
         11 . The vaporization apparatus applied to an e-cigarette according to  claim 10 , wherein a boss is arranged on the outer peripheral surface of the vaporization core fixing structure, the boss comprises a first boss and a second boss that are connected to each other, and a height of the first boss is greater than a height of the second boss. 
     
     
         12 . The vaporization apparatus applied to an e-cigarette according to  claim 9 , wherein the end seal portion comprises at least one vent elastic portion, and the at least one vent elastic portion covers an end of the vent channel that faces the liquid storage bin, wherein
 when a pressure of the vaporization bin is greater than a pressure of the liquid storage bin, the vent elastic portion is deformed under the action of a pressure difference to open the vent channel, or   when a pressure of the vaporization bin is not greater than a pressure of the liquid storage bin, the vent elastic portion blocks the vent channel.   
     
     
         13 . The vaporization apparatus applied to an e-cigarette according to  claim 4 , further comprising:
 a baffle, the baffle being arranged at a position where the air passage is in communication with the vaporization bin;   wherein, the shell comprises:   a housing, an opening being provided at an end of the housing along a length direction, and the inhalation inlet being provided at an other end of the housing along the length direction; and   a base assembly, the base assembly covering the opening, the air inlet being formed on the base assembly, and   the vaporization bin being jointly defined by the housing, the vaporization core, and the base assembly.   
     
     
         14 . The vaporization apparatus applied to an e-cigarette according to  claim 13 , further comprising a vaporization core seal member, the vaporization core seal member being sleeved on an edge of the vaporization core. 
     
     
         15 . The vaporization apparatus applied to an e-cigarette according to  claim 13 , wherein
 the base assembly comprises a base, a conductive nail, and a first air guide metal plate,   the base comprises a base bottom wall and a support structure extending from the base bottom wall toward the vaporization bin,   the conductive nail runs through the base bottom wall and is electrically connected to the vaporization core,   an air inlet is formed in the base bottom wall,   the first air guide metal plate is supported on the support structure and covers the air inlet, a plurality of diverting holes and a first avoiding hole are provided in the first air guide metal plate,   the plurality of diverting holes correspond to the air inlet, and   the conductive nail runs through the first avoiding hole to be electrically connected to the vaporization core.   
     
     
         16 . The vaporization apparatus applied to an e-cigarette according to  claim 13 , wherein the housing comprises:
 a body, the liquid storage bin, the air passage, and the vaporization bin being arranged in the body, and the body being provided with an air inlet; and   an inhalation shell, the inhalation shell being arranged on the body, the inhalation inlet being formed in the inhalation shell, the inhalation shell and the body jointly defining the inhalation channel, the inhalation channel comprising a first channel section and a second channel section that are in communication with each other, a free end of the first channel section being in communication with the air passage, a free end of the second channel section being in communication with the inhalation inlet, and the second channel section and the inhalation inlet being provided coaxially.   
     
     
         17 . The vaporization apparatus applied to an e-cigarette according to  claim 16 , wherein a cross-sectional area of the air passage gradually increases along a direction toward the inhalation inlet. 
     
     
         18 . The vaporization apparatus applied to an e-cigarette according to  claim 13 , wherein a central axis of an air inlet deviates from the central axis of the air passage. 
     
     
         19 . The vaporization apparatus applied to an e-cigarette according to  claim 13 , wherein
 the vaporization core seal member is arranged between the vaporization core and the vaporization core fixing structure, and   the baffle is arranged at a side of the vaporization core seal member that is close to the air passage.   
     
     
         20 . An e-cigarette, comprising the vaporization apparatus applied to an e-cigarette according to  claim 1 .