Atomizing device and electronic cigarette

Abstract

An atomizing device includes a housing, a divider and a heating element. The housing includes a housing body and a tail cap, and the tail cap has a first air inlet hole, a second air inlet hole and an air outlet hole. A first air passage is formed between the housing body and an outer side wall of the divider, and the first air passage communicates with the first air inlet hole. A second air passage is formed between the heating element and an inner side wall of the divider, the heating element has a middle air passage, the second air passage communicates with the second air inlet hole, the middle air passage communicates with the air outlet hole, the first air passage and the second air passage separately communicate with the middle air passage, and the middle air passage is configured to accommodate a to-be-atomized object.

What is claimed is: 
     
         1 . An atomizing device, comprising:
 a housing, wherein the housing comprises a housing body and a tail cap connected to one end of the housing body, and the tail cap has a first air inlet hole, a second air inlet hole and an air outlet hole;   a divider, wherein the divider is of a cylindrical shape and disposed inside the housing body, a first air passage is formed between the housing body and an outer side wall of the divider, and the first air passage communicates with the first air inlet hole; and   a heating element, wherein the heating element is disposed in the divider, a second air passage is formed between the heating element and an inner side wall of the divider, the heating element has a middle air passage, the second air passage communicates with the second air inlet hole, the middle air passage communicates with the air outlet hole, the first air passage and the second air passage separately communicate with the middle air passage, and the middle air passage is configured to accommodate a to-be-atomized object.   
     
     
         2 . The atomizing device according to  claim 1 , wherein a plurality of first air inlet holes are provided and are equiangularly distributed in a circular matrix around the air outlet hole; and
 a plurality of second air inlet holes are provided and are equiangularly distributed in a circular matrix around the air outlet hole.   
     
     
         3 . The atomizing device according to  claim 2 , wherein the divider comprises a dividing cylinder and a dividing plate fixedly connected to one end of the dividing cylinder, the first air passage is formed between the housing body and an outer side wall of the dividing cylinder, the second air passage is formed between the heating element and an inner side wall of the dividing cylinder, a head cap is connected to another end of the housing body, a confluence chamber is formed between the dividing plate and the head cap, the dividing plate has a plurality of fourth through holes communicating with the second air passage and a plurality of fifth through holes communicating with the middle air passage, the first air passage communicates with the confluence chamber, the second air passage communicates with the confluence chamber through the plurality of fourth through holes, and the middle air passage communicates with the confluence chamber through the plurality of fifth through holes. 
     
     
         4 . The atomizing device according to  claim 3 , wherein the housing further comprises a support plate disposed in the confluence chamber and fixedly connected to an inner wall of the housing body, the support plate has a plurality of first flow-dividing holes communicating with the first air passage, a plurality of second flow-dividing holes communicating with the second air passage and a third flow-dividing hole communicating with the middle air passage, and the plurality of second flow-dividing holes are in one-to-one correspondence with the plurality of fourth through holes. 
     
     
         5 . The atomizing device according to  claim 4 , wherein a side of the dividing plate facing the support plate has a protruding cylinder and a plurality of protruding blocks, the protruding cylinder communicates with the middle air passage and extends into the third flow-dividing hole and is in contact with or connected to a hole wall of the third flow-dividing hole, the plurality of protruding blocks abut the support plate, and another end of the dividing cylinder abuts the tail cap. 
     
     
         6 . The atomizing device according to  claim 1 , wherein the heating element comprises a support of a cylindrical shape, an electromagnetic induction coil wound around an outside of the support and an induction heating body fixedly disposed on an inside of the support, the second air passage is formed between the support, the electromagnetic induction coil and the inner side wall of the divider, the induction heating body has the middle air passage, and the induction heating body is configured to be capable of generating a corresponding eddy current and radiating heat under a magnetic field formed by the electromagnetic induction coil. 
     
     
         7 . The atomizing device according to  claim 6 , wherein the induction heating body comprises a metal core and a Teflon sleeve enclosing an outer surface of the metal core, and the Teflon sleeve is limited in the support. 
     
     
         8 . The atomizing device according to  claim 1 , wherein one of the inner wall of the housing body and an outer wall of the divider has a first positioning recess, another one of the inner wall of the housing body and the outer wall of the divider has a first positioning protrusion, and the first positioning protrusion is configured to be placed in the first positioning recess; and
 one of an inner wall of the divider and an outer wall of the heating element has a second positioning recess, the other one of the inner wall of the divider and the outer wall of the heating element has a second positioning protrusion, and the second positioning protrusion is configured to be placed in the second positioning recess.   
     
     
         9 . The atomizing device according to  claim 1 , wherein the tail cap has a plurality of third positioning protrusions, the inner wall of the housing body has a plurality of third positioning recesses, the plurality of third positioning recesses are in one-to-one correspondence with the plurality of third positioning protrusions, and one of the plurality of third positioning protrusions is configured to be placed in a respective one of the plurality of third positioning recesses; and
 each of at least one of the plurality of third positioning protrusions is fixedly connected to a fourth positioning protrusion, the inner wall of the housing body has a fourth positioning recess corresponding to the fourth positioning protrusion, the divider has a fifth positioning recess corresponding to the fourth positioning protrusion, a part of the fourth positioning protrusion is configured to be placed in the fourth positioning recess, and another part of the fourth positioning protrusion is configured to be placed in the fifth positioning recess.   
     
     
         10 . An electronic cigarette, comprising an atomizing device, wherein the atomizing device comprises:
 a housing, wherein the housing comprises a housing body and a tail cap connected to one end of the housing body, and the tail cap has a first air inlet hole, a second air inlet hole and an air outlet hole;   a divider, wherein the divider is of a cylindrical shape and disposed inside the housing body, a first air passage is formed between the housing body and an outer side wall of the divider, and the first air passage communicates with the first air inlet hole; and   a heating element, wherein the heating element is disposed in the divider, a second air passage is formed between the heating element and an inner side wall of the divider, the heating element has a middle air passage, the second air passage communicates with the second air inlet hole, the middle air passage communicates with the air outlet hole, the first air passage and the second air passage separately communicate with the middle air passage, and the middle air passage is configured to accommodate a to-be-atomized object.   
     
     
         11 . The electronic cigarette according to  claim 10 , wherein a plurality of first air inlet holes are provided and are equiangularly distributed in a circular matrix around the air outlet hole; and
 a plurality of second air inlet holes are provided and are equiangularly distributed in a circular matrix around the air outlet hole.   
     
     
         12 . The electronic cigarette according to  claim 11 , wherein the divider comprises a dividing cylinder and a dividing plate fixedly connected to one end of the dividing cylinder, the first air passage is formed between the housing body and an outer side wall of the dividing cylinder, the second air passage is formed between the heating element and an inner side wall of the dividing cylinder, a head cap is connected to another end of the housing body, a confluence chamber is formed between the dividing plate and the head cap, the dividing plate has a plurality of fourth through holes communicating with the second air passage and a plurality of fifth through holes communicating with the middle air passage, the first air passage communicates with the confluence chamber, the second air passage communicates with the confluence chamber through the plurality of fourth through holes, and the middle air passage communicates with the confluence chamber through the plurality of fifth through holes. 
     
     
         13 . The electronic cigarette according to  claim 12 , wherein the housing further comprises a support plate disposed in the confluence chamber and fixedly connected to an inner wall of the housing body, the support plate has a plurality of first flow-dividing holes communicating with the first air passage, a plurality of second flow-dividing holes communicating with the second air passage and a third flow-dividing hole communicating with the middle air passage, and the plurality of second flow-dividing holes are in one-to-one correspondence with the plurality of fourth through holes. 
     
     
         14 . The electronic cigarette according to  claim 13 , wherein a side of the dividing plate facing the support plate has a protruding cylinder and a plurality of protruding blocks, the protruding cylinder communicates with the middle air passage and extends into the third flow-dividing hole and is in contact with or connected to a hole wall of the third flow-dividing hole, the plurality of protruding blocks abut the support plate, and another end of the dividing cylinder abuts the tail cap. 
     
     
         15 . The electronic cigarette according to  claim 10 , wherein the heating element comprises a support of a cylindrical shape, an electromagnetic induction coil wound around an outside of the support and an induction heating body fixedly disposed on an inside of the support, the second air passage is formed between the support, the electromagnetic induction coil and the inner side wall of the divider, the induction heating body has the middle air passage, and the induction heating body is configured to be capable of generating a corresponding eddy current and radiating heat under a magnetic field formed by the electromagnetic induction coil. 
     
     
         16 . The electronic cigarette according to  claim 15 , wherein the induction heating body comprises a metal core and a Teflon sleeve enclosing an outer surface of the metal core, and the Teflon sleeve is limited in the support. 
     
     
         17 . The electronic cigarette according to  claim 10 , wherein one of the inner wall of the housing body and an outer wall of the divider has a first positioning recess, another one of the inner wall of the housing body and the outer wall of the divider has a first positioning protrusion, and the first positioning protrusion is configured to be placed in the first positioning recess; and
 one of an inner wall of the divider and an outer wall of the heating element has a second positioning recess, the other one of the inner wall of the divider and the outer wall of the heating element has a second positioning protrusion, and the second positioning protrusion is configured to be placed in the second positioning recess.   
     
     
         18 . The electronic cigarette according to  claim 10 , wherein the tail cap has a plurality of third positioning protrusions, the inner wall of the housing body has a plurality of third positioning recesses, the plurality of third positioning recesses are in one-to-one correspondence with the plurality of third positioning protrusions, and one of the plurality of third positioning protrusions is configured to be placed in a respective one of the plurality of third positioning recesses; and
 each of at least one of the plurality of third positioning protrusions is fixedly connected to a fourth positioning protrusion, the inner wall of the housing body has a fourth positioning recess corresponding to the fourth positioning protrusion, the divider has a fifth positioning recess corresponding to the fourth positioning protrusion, a part of the fourth positioning protrusion is configured to be placed in the fourth positioning recess, and another part of the fourth positioning protrusion is configured to be placed in the fifth positioning recess.   
     
     
         19 . The electronic cigarette according to  claim 11 , wherein the heating element comprises a support of a cylindrical shape, an electromagnetic induction coil wound around an outside of the support and an induction heating body fixedly disposed on an inside of the support, the second air passage is formed between the support, the electromagnetic induction coil and the inner side wall of the divider, the induction heating body has the middle air passage, and the induction heating body is configured to be capable of generating a corresponding eddy current and radiating heat under a magnetic field formed by the electromagnetic induction coil. 
     
     
         20 . The electronic cigarette according to  claim 11 , wherein one of the inner wall of the housing body and an outer wall of the divider has a first positioning recess, another one of the inner wall of the housing body and the outer wall of the divider has a first positioning protrusion, and the first positioning protrusion is configured to be placed in the first positioning recess; and
 one of an inner wall of the divider and an outer wall of the heating element has a second positioning recess, the other one of the inner wall of the divider and the outer wall of the heating element has a second positioning protrusion, and the second positioning protrusion is configured to be placed in the second positioning recess.