Vaporization core component for electronic cigarettes, cartridge for electronic cigarettes, and electronic cigarette

Abstract

A vaporization core component for electronic cigarettes, a cartridge for electronic cigarettes, and an electronic cigarette. The vaporization core component for electronic cigarettes includes a liquid guide body and a heating element. The liquid guide body has a first end surface and a second end surface. At least a part of the first end surface is a liquid absorption region. At least a part of the second end surface is a vaporization region. The heating element is arranged in the vaporization region of the second end surface. In the vaporization core component, a position of the liquid absorption region is opposite to a position of the vaporization region, and an area of the liquid absorption region is smaller than an area of the vaporization region. The heating element is arranged in the vaporization region of the second end surface.

What is claimed is: 
     
         1 . A vaporization core component for electronic cigarettes, comprising:
 a liquid guide body, wherein the liquid guide body has a first end surface and a second end surface, at least a part of the first end surface is a liquid absorption region, the liquid absorption region is configured to communicate with a liquid storage cavity of an electronic cigarette, at least a part of the second end surface is a vaporization region, a position of the liquid absorption region is opposite to a position of the vaporization region, and an area of the liquid absorption region is smaller than an area of the vaporization region; and   a heating element, wherein the heating element is arranged in the vaporization region of the second end surface.   
     
     
         2 . The vaporization core component for electronic cigarettes according to  claim 1 , wherein the area of the liquid absorption region is 9% to 95% of the area of the vaporization region. 
     
     
         3 . The vaporization core component for electronic cigarettes according to  claim 1 , wherein an area of the first end surface is smaller than an area of the second end surface. 
     
     
         4 . The vaporization core component for electronic cigarettes according to  claim 1 , wherein an entirety of the first end surface is the liquid absorption region. 
     
     
         5 . The vaporization core component for electronic cigarettes according to  claim 1 , wherein the liquid guide body has a liquid absorption portion and a vaporization portion, a side surface of the liquid absorption portion distant from the vaporization portion is the first end surface, and a side surface of the vaporization portion distant from the liquid absorption portion is the second end surface; and
 along an extending direction from the first end surface to the second end surface, a projected area of the liquid absorption portion is smaller than a projected area of the vaporization portion, and a step surface is formed between the liquid absorption portion and the vaporization portion.   
     
     
         6 . The vaporization core component for electronic cigarettes according to  claim 1 , wherein the vaporization portion has a thickness dimension along the extending direction from the first end surface to the second end surface, and the thickness dimension of the vaporization portion ranges from 0.3 mm to 3 mm. 
     
     
         7 . The vaporization core component for electronic cigarettes according to  claim 5 , wherein the liquid absorption portion has a thickness dimension along the extending direction from the first end surface to the second end surface, and the thickness dimension of the liquid absorption portion ranges from 0.5 mm to 5 mm. 
     
     
         8 . The vaporization core component for electronic cigarettes according to  claim 5 , wherein the step surface surrounds the liquid absorption portion. 
     
     
         9 . The vaporization core component for electronic cigarettes according to  claim 5 , wherein the liquid absorption portion comprises a base and a liquid guiding boss, the base is connected with the vaporization portion, the liquid guiding boss is located on one side of the base distant from the vaporization portion, and a top surface of the liquid guiding boss is the first end surface. 
     
     
         10 . The vaporization core component for electronic cigarettes according to  claim 5 , wherein the liquid absorption portion is a plurality of liquid absorption units, the plurality of liquid absorption units are distributed spaced away on the vaporization portion, and top surfaces of the liquid absorption units form the first end surface. 
     
     
         11 . The vaporization core component for electronic cigarettes according to  claim 10 , wherein a sealing layer is arranged between the liquid absorption units. 
     
     
         12 . The vaporization core component for electronic cigarettes according to  claim 11 , wherein the sealing layer is arranged on a circumferential surface of each of the liquid absorption units and the step surface. 
     
     
         13 . The vaporization core component for electronic cigarettes according to  claim 10 , wherein the liquid absorption units are arranged in sequence on the vaporization portion. 
     
     
         14 . The vaporization core component for electronic cigarettes according to  claim 10 , wherein the liquid absorption units are liquid absorption plates, and the liquid absorption plates are distributed spaced away vertically on the vaporization portion. 
     
     
         15 . The vaporization core component for electronic cigarettes according to  claim 1 , further comprising a vaporization-core sealing member, wherein the vaporization-core sealing member is sleeved on the liquid guide body. 
     
     
         16 . The vaporization core component for electronic cigarettes according to  claim 15 , wherein at a position corresponding to the first end surface, a liquid port is formed on the vaporization-core sealing member to expose at least a part of the first end surface, and the part of the first end surface exposed at the liquid port is the liquid absorption region. 
     
     
         17 . The vaporization core component for electronic cigarettes according to  claim 16 , wherein the liquid port is a plurality of uniformly distributed holes. 
     
     
         18 . The vaporization core component for electronic cigarettes according to  claim 16 , wherein the liquid port is a plurality of uniformly distributed guide channels. 
     
     
         19 . A cartridge for electronic cigarettes, comprising:
 a housing, wherein a liquid storage cavity, a vaporization cavity, and an outlet pipeline are arranged in the housing, an air inlet and an air outlet are provided on the housing, the air inlet communicates the vaporization cavity, and the air outlet communicates the vaporization cavity through the outlet pipeline;   a vaporization core fixing member, wherein the vaporization core fixing member is arranged in the housing, the liquid storage cavity is separated from the vaporization cavity by the vaporization core fixing member, and a mounting groove is provided on the vaporization core fixing member; and   the vaporization core component according to  claim 1 , wherein the vaporization core component is arranged at the mounting groove, the liquid absorption region of the first end surface communicates the liquid storage cavity, and the second end surface communicates the vaporization cavity.   
     
     
         20 . An electronic cigarette, comprising:
 the cartridge according to  claim 19 ; and   a cigarette rod device, wherein an electrical component is arranged in the cigarette rod device, the electrical component is electrically connected with the heating element, and the electrical component is configured to supply power to the heating element.