Vaporization core for e-cigarette, cartridge for e-cigarette, and e-cigarette

Abstract

Provided are a vaporization core for an e-cigarette, a cartridge for an e-cigarette, and an e-cigarette. The vaporization core includes: a liquid guide body, at least a part of a first side surface thereof forms a liquid absorbing region, at least a part of a second side surface thereof forms a vaporization region, the liquid guide body includes a liquid storage portion that is a part of the liquid guide body between the second side surface and a position obtained by translating the second side surface to the first side surface by 0.5 mm to 1.5 mm, a liquid storage amount of the liquid storage portion is Q1, and quality of vaporization liquid vaporized by the vaporization core in one inhalation cycle is defined as a single-inhalation vaporization amount T1, where T1≤Q1≤3T1; and a heating body arranged at the vaporization region of the second side surface.

What is claimed is: 
     
         1 . A vaporization core for an e-cigarette, comprising:
 a liquid guide body having a first side surface and a second side surface arranged opposite to each other, at least a part of the first side surface forming a liquid absorbing region, at least a part of the second side surface forming a vaporization region, the liquid guide body comprising a liquid storage portion, the liquid storage portion being a part of the liquid guide body between the second side surface and a position obtained by translating the second side surface to the first side surface by 0.5 mm to 1.5 mm, a liquid storage amount of the liquid storage portion being Q1, and quality of vaporization liquid vaporized by the vaporization core in one inhalation cycle being defined as a single-inhalation vaporization amount T1, wherein T1≤Q1≤3T1; and   a heating body arranged at the vaporization region of the second side surface.   
     
     
         2 . The vaporization core for the e-cigarette according to  claim 1 , wherein 1.2T1≤Q1≤2.3T1. 
     
     
         3 . The vaporization core for the e-cigarette according to  claim 1 , wherein the liquid storage amount Q1 of the liquid storage portion is equal to 5 mg to 30 mg. 
     
     
         4 . The vaporization core for the e-cigarette according to  claim 1 , wherein the liquid storage amount of the liquid storage portion is Q1=a volume of the liquid storage portion×porosity of the liquid storage portion×a density of the vaporization liquid. 
     
     
         5 . The vaporization core for the e-cigarette according to  claim 1 , wherein the liquid guide body further comprises a liquid guide portion, and the liquid guide portion is a part of the liquid guide body between the first side surface and a position obtained by translating the second side surface to the first side surface by 0.5 mm to 1.5 mm, a liquid storage amount Q2 of the liquid guide portion meets: Q2/Q1=0.5 to 2.5, wherein:
 a liquid guide amount D1 of the liquid guide portion ranges from 2.5 mg to 12 mg; and   the liquid guide amount of the liquid guide portion D1=an area of the liquid absorbing region×liquid guide rate of the liquid guide portion×an inhalation time in one inhalation cycle×a density of the vaporization liquid.   
     
     
         6 . The vaporization core for the e-cigarette according to  claim 1 , wherein the liquid guide body further comprises a liquid guide portion, and the liquid guide portion is a part of the liquid guide body between the first side surface and a position obtained by translating the second side surface to the first side surface by 0.5 mm to 1.5 mm; and
 a liquid guide amount D1 of the liquid guide portion meets: 0.5T1≤D1≤1.2T1.   
     
     
         7 . The vaporization core for the e-cigarette according to  claim 6 , wherein the liquid guide amount D1 of the liquid guide portion meets: 0.8T1≤D1≤1.0T1. 
     
     
         8 . The vaporization core for the e-cigarette according to  claim 1 , wherein the liquid guide body further comprises a liquid guide portion, and the liquid guide portion is a part of the liquid guide body between the first side surface and a position obtained by translating the second side surface to the first side surface by 0.5 mm to 1.5 mm; and
 a liquid guide amount of the liquid guide portion is D1, and a liquid storage amount of the liquid guide portion is Q2, where D1≤Q2≤3D1.   
     
     
         9 . The vaporization core for the e-cigarette according to  claim 1 , wherein:
 in one inhalation cycle, an inhalation time of the vaporization core is 2.9 seconds to 3.1 seconds, and a total inhalation flow thereof is 54.4 ml to 55.6 ml, and   the single-inhalation vaporization amount T1 is equal to 5 mg to 10 mg.   
     
     
         10 . The vaporization core for the e-cigarette according to  claim 1 , wherein the liquid guide body further comprises a liquid guide portion, and the liquid guide portion is a part of the liquid guide body between the first side surface and a position obtained by translating the second side surface to the first side surface by 0.5 mm to 1.5 mm; and
 the liquid guide portion and the liquid storage portion are separate pieces or an integral piece.   
     
     
         11 . The vaporization core for the e-cigarette according to  claim 1 , wherein the liquid guide body further comprises a liquid guide portion, and the liquid guide portion is a part of the liquid guide body between the first side surface and a position obtained by translating the second side surface to the first side surface by 0.5 mm to 1.5 mm; and materials of the liquid guide portion and the liquid storage portion are the same or different,
 wherein the liquid guide portion is formed by one or more porous ceramic members, or the liquid guide portion is formed by one or more pieces of e-liquid absorbing cotton, or the liquid guide portion is jointly formed by one or more porous ceramic members and one or more pieces of e-liquid absorbing cotton.   
     
     
         12 . The vaporization core for the e-cigarette according to  claim 1 , wherein the heating body is a heating circuit printed on the vaporization region of the second side surface; or
 the heating body is a heating metal mesh arranged at the vaporization region of the second side surface.   
     
     
         13 . The vaporization core for the e-cigarette according to  claim 1 , wherein the liquid guide body further comprises a liquid guide portion, and the liquid guide portion is a part of the liquid guide body between the first side surface and a position obtained by translating the second side surface to the first side surface by 0.5 mm to 1.5 mm; and an orthographic projection area of the liquid guide portion is less than or equal to an orthographic projection area of the liquid storage portion within a plane perpendicular to a direction from the first side surface to the second side surface,
 wherein the liquid storage portion is constructed as a cuboid shape; and the liquid guide portion is constructed as a cuboid shape, a frustum of trapezoidal pyramid shape, or a frustum of triangular pyramid shape.   
     
     
         14 . The vaporization core for the e-cigarette according to  claim 1 , wherein an area of the liquid absorbing region is less than or equal to an area of the vaporization region. 
     
     
         15 . A cartridge for an e-cigarette, comprising:
 a housing having a liquid storage cavity, an airway, and a vaporization cavity, and the vaporization cavity being in communication with the airway, and the housing having an air inlet in communication with the vaporization cavity and an air outlet in communication with the airway; and   the vaporization core for the e-cigarette according to  claim 1 , the vaporization core being arranged inside the housing, the liquid absorbing region of the first side surface being in communication with the liquid storage cavity, and the vaporization region of the second side surface being in communication with the vaporization cavity.   
     
     
         16 . The cartridge for the e-cigarette according to  claim 15 , wherein the housing is defined with a length direction, a width direction, and a thickness direction, a maximum dimension of the housing along the length direction is greater than a maximum dimension of the housing along the width direction, and the maximum dimension of the housing along the width direction is greater than or equal to a maximum dimension of the housing along the thickness direction; and the first side surface and the second side surface are arranged along the length direction of the housing,
 wherein the cartridge for the e-cigarette further comprises a vaporization core fixing member arranged inside the housing, the vaporization core fixing member separating the liquid storage cavity and the vaporization cavity, the vaporization core fixing member having a mounting groove, the vaporization core being arranged in the mounting groove, the vaporization core fixing member having a communication channel, and the mounting groove and the communication channel being arranged along the width direction of the housing; and an end of the communication channel is connected with the airway, and another end of the communication channel is in communication with the vaporization cavity.   
     
     
         17 . The cartridge for the e-cigarette according to  claim 16 , wherein the air inlet comprises an outer air inlet section and an inner air inlet section, both the outer air inlet section and the inner air inlet section extend along the length direction of the housing, the inner air inlet section is in communication with the vaporization cavity, and the outer air inlet section is in communication with the outside; and
 the inner air inlet section is offset by a predetermined distance in a direction away from the communication channel relative to the outer air inlet section along the width direction of the housing.   
     
     
         18 . The cartridge for the e-cigarette according to  claim 16 , further comprising an upper seal member, the upper seal member having an encapsulation portion and a plug portion, wherein an end portion of the communication channel has an opening along the width direction and/or the thickness direction of the housing, the encapsulation portion is sleeved on the vaporization core fixing member, and the encapsulation portion forming a press-fit relationship with the vaporization core fixing member and an inner wall of the housing, and the plug portion blocking the opening, and the plug portion forming a press-fit relationship with the opening and the inner wall of the housing, wherein:
 a vent channel is formed between the upper seal member and the vaporization core fixing member, and the vent channel is configured to communicate the vaporization cavity and the liquid storage cavity; and   the vaporization core fixing member has a vent sinking groove spaced apart from the mounting groove, a through hole is formed on a side wall of the vent sinking groove, and the through hole is in communication with the vaporization cavity; and a communication groove is formed on an outer circumferential surface of the vaporization core fixing member, an end of the communication groove is in communication with the through hole, and another end of the communication groove is in communication with the liquid storage cavity; and the upper seal member covers the through hole and the communication groove, the upper seal member, the through hole, and the communication groove forms a vent channel, and when a pressure of the vaporization cavity is greater than a pressure of the liquid storage cavity, the upper seal member is deformed with a pressure difference to open the vent channel.   
     
     
         19 . The cartridge for the e-cigarette according to  claim 15 , wherein the housing comprises a main housing and a lower cover, the air outlet is formed at an end of the main housing, another end of the main housing is open and covered by the lower cover, and the air inlet is formed on the lower cover, wherein:
 the lower cover comprises a bottom plate and a side plate extending from the bottom plate toward the vaporization cavity, a liquid absorbing member covers on an inner surface of the bottom plate, and the liquid absorbing member is arranged around the air inlet, or the liquid absorbing member is supported on the side plate; and   a conductive pin extends through the lower cover, an end of the conductive pin abuts against the heating body, and another end of the conductive pin protrudes from an outer surface of the lower cover.   
     
     
         20 . An e-cigarette, comprising:
 the cartridge according to  claim 15 ; and   a cigarette rod having an electrical component arranged therein, the electrical component being electrically connected to the heating body, and the electrical component being configured to supply power to the heating body.