Anti-Leakage Electronic Cigarette

Abstract

An anti-leakage electronic cigarette, including an atomizer and a power unit; the atomizer includes a cup body, a smoke tube having two ends in connection with upper and lower ends of the cup body, a sealing element arranged between an outer side of the smoke tube and an inner sidewall of the cup body, and a microporous ceramic heating core arranged inside the smoke tube; the cup body defines on a top thereof an inhalation hole in communication with the smoke tube; the microporous ceramic heating core has two ends in sealed connection with the smoke tube; a gap is defined between the middle part of the microporous ceramic heating core and the smoke tube; a position on the smoke tube corresponding to the microporous ceramic heating core defines a liquid hole; the cup body defines thereon an air passage which connects the outside of the cup body.

What is claimed is: 
     
         1 . An anti-leakage electronic cigarette, comprising an atomizer and a power unit configured for supplying power to the atomizer, the atomizer being in detachable connection with the power unit, wherein
 the atomizer comprises a cup body ( 1 ), a smoke tube ( 2 ), a sealing element ( 3 ) and a microporous ceramic heating core ( 4 ); the cup body ( 1 ) defines an inhalation hole ( 5 ) on a top thereof; the smoke tube ( 2 ) has one end in connection with the top of the cup body ( 1 ) and in communication with the inhalation hole ( 5 ), and has the other end in connection with a bottom of the cup body ( 1 ); the sealing element ( 3 ) is arranged between an outer sidewall of the smoke tube ( 2 ) and an inner sidewall of the cup body ( 1 ) and is positioned at a bottom of the smoke tube ( 2 ); an upper end face of the sealing element ( 3 ), the outer sidewall of the smoke tube ( 2 ) and the inner sidewall of the cup body ( 1 ) enclose a sealed liquid cup ( 6 ) configured for storing a tobacco liquid; the microporous ceramic heating core ( 4 ) is arranged inside the smoke tube ( 2 ) and is positioned above the sealing element ( 3 ); the microporous ceramic heating core ( 4 ) has outer sides of two ends in sealed connection with an inner sidewall of the smoke tube ( 2 ), and a gap is defined between the middle part of the microporous ceramic heating core ( 4 ) and the smoke tube ( 2 ); a position on the smoke tube ( 2 ) where the microporous ceramic heating core ( 4 ) is arranged defines a liquid hole ( 7 ) which allows the tobacco liquid to enter the smoke tube ( 2 ); and the cup body ( 1 ) further defines thereon an air passage which connects the outside of the cup body ( 1 ) with the inside of the smoke tube ( 2 ).   
     
     
         2 . The anti-leakage electronic cigarette according to  claim 1 , wherein a position on the cup body ( 1 ) corresponding to the liquid cup ( 6 ) further defines a window ( 9 ) which is configured for observing a liquid level inside the liquid cup ( 6 ). 
     
     
         3 . The anti-leakage electronic cigarette according to  claim 1 , wherein the cup body ( 6 ) comprises an upper cup body ( 101 ) and a lower cup body ( 102 ), the inhalation hole ( 5 ) is defined on a top end of the upper cup body ( 101 ), the upper cup body ( 101 ) has an open bottom end and the bottom end is provided with a supporting base ( 10 ), the smoke tube ( 2 ) has a bottom end in detachable connection with the supporting base ( 10 ), the lower cup body ( 102 ) has an open top end, and the lower cup body ( 102 ) is detachably sleeved outside the bottom of the upper cup body ( 101 ). 
     
     
         4 . The anti-leakage electronic cigarette according to  claim 3 , wherein the sealing element ( 3 ) defines thereon a liquid refill channel ( 11 ) which connects the outside of the sealing element ( 3 ) with the inside of the cup body ( 6 ), the upper cup body ( 101 ) has a sidewall defining a liquid refill hole ( 12 ) which is in communication with the liquid refill channel ( 11 ), the liquid refill hole ( 12 ) is defined where the upper cup body ( 101 ) is in connection with the lower cup body ( 102 ), and a plug ( 13 ), which is configured for sealing the liquid refill channel ( 11 ), is arranged at the liquid refill hole ( 12 ). 
     
     
         5 . The anti-leakage electronic cigarette according to  claim 3 , wherein the air passage comprises an air inlet ( 14 ) defined on a sidewall of the lower cup body ( 102 ), a first air passage ( 15 ) defined between the upper cup body ( 101 ) and the lower cup body ( 102 ) and configured for connecting the air inlet ( 14 ) with a bottom of the supporting base ( 10 ), and a second air passage ( 16 ) defined on the supporting base ( 10 ) and configured for connecting the bottom of the supporting base ( 10 ) with the inside of the smoke tube ( 2 ). 
     
     
         6 . The anti-leakage electronic cigarette according to  claim 3 , wherein the microporous ceramic heating core ( 4 ) comprises a microporous ceramic support ( 401 ) and a heating wire ( 402 ) arranged inside the microporous ceramic support ( 401 ), the microporous ceramic support ( 401 ) has an outer side in connection with the smoke tube ( 2 ), the microporous ceramic support ( 401 ) has a hollow interior, the heating wire ( 402 ) is arranged wound on the interior of the microporous ceramic support ( 401 ), and the heating wire ( 402 ) has two ends in electrical connection with the power unit. 
     
     
         7 . The anti-leakage electronic cigarette according to  claim 6 , wherein the supporting base ( 10 ) is provided with two first electrodes ( 17 ), the heating wire ( 402 ) has two ends in connection with the two first electrodes ( 17 ) respectively, and the first electrode ( 17 ) is in electrical connection with the power unit. 
     
     
         8 . The anti-leakage electronic cigarette according to  claim 1 , wherein the power unit comprises a housing ( 18 ) and a battery ( 19 ) arranged inside the housing ( 18 ), the housing ( 18 ) has a top end provided with two second electrodes ( 20 ), the two second electrodes ( 20 ) are in electrical connection with two electrodes of the battery ( 19 ) respectively, and, when the atomizer is in connection with the power unit, the second electrode ( 20 ) passes through the cup body ( 1 ) to contact the first electrode ( 17 ). 
     
     
         9 . The anti-leakage electronic cigarette according to  claim 8 , wherein a pair of magnetic components is arranged on the bottom of the cup body ( 1 ) and the top of the housing ( 18 ). 
     
     
         10 . The anti-leakage electronic cigarette according to  claim 1 , wherein a liquid sorbent cotton ( 21 ) is arranged above the microporous ceramic heating core ( 4 ) inside the smoke tube ( 2 ).