Atomization assembly and electronic cigarette having same

Abstract

An atomization assembly and an electronic cigarette having the same, comprising a connection assembly, an e-liquid cup assembly, an atomization sleeve, an atomization core and a suction nozzle, wherein the atomization sleeve is arranged at the end of the e-liquid cup assembly opposite to the connection assembly, one end of the atomization sleeve is detachably connected to the e-liquid cup assembly, the other end is located outside the e-liquid cup assembly; the e-liquid cup assembly comprises an e-liquid storage sleeve and a sleeve pipe, one end of the e-liquid storage sleeve is provided with an e-liquid filling port, the other end is connected to the connection assembly; the end of the atomization core located outside the e-liquid cup assembly is inserted into the atomization sleeve, and the other end is inserted into the e-liquid cup assembly. In replacing the atomization core, the condensation is less likely to occur.

1 . An atomization assembly configured for assembling with a battery assembly ( 10 ) to form an electronic cigarette, comprising a connection assembly ( 1 ), an e-liquid cup assembly ( 2 ), an atomization sleeve ( 3 ), an atomization core ( 4 ) and a suction nozzle ( 5 ), wherein the connection assembly ( 1 ) is defined at an end of the e-liquid cup assembly ( 2 ) and is configured for detachably connecting to the battery assembly ( 10 ); the atomization sleeve ( 3 ) is arranged at the other end of the e-liquid cup assembly ( 2 ) , the end is opposite to the connection assembly ( 1 ), and one end of the atomization sleeve ( 3 ) is detachably connected to the e-liquid cup assembly ( 2 ), the other end of the atomization sleeve ( 3 ) is located outside the e-liquid cup assembly ( 2 ) and is connected to the suction nozzle ( 5 ); and
 wherein the e-liquid cup assembly ( 2 ) comprises an e-liquid storage sleeve ( 21 ) and a sleeve pipe ( 22 ) sheathed in the e-liquid storage sleeve ( 21 ), an e-liquid storage cavity is formed between the e-liquid storage sleeve ( 21 ) and the sleeve pipe ( 22 ), an e-liquid filling port in communication with the e-liquid storage cavity is defined on one end of the e-liquid storage sleeve ( 21 ), the other end of the e-liquid storage sleeve ( 21 ) is fixedly connected to the connection assembly ( 1 );   one end of the atomization core ( 4 ) located outside the e-liquid cup assembly ( 2 ) is inserted into the atomization sleeve ( 3 ) and is detachably connected to the atomization sleeve ( 3 ), and the other end of the atomization core ( 4 ) is inserted into the e-liquid cup assembly ( 2 ) from the e-liquid filling port of the e-liquid cup assembly ( 2 ) and is detachably connected to the e-liquid cup assembly ( 2 ); the atomization core ( 4 ) comprises an atomization base ( 41 ), a heating wire assembly ( 42 ) and a first electrode ( 43 ), an atomization cavity in communication with the suction nozzle ( 5 ) is arranged in the atomization base ( 41 ), the heating wire assembly ( 42 ) is arranged in the atomization cavity and is electrically connected to the first electrode ( 43 ), the first electrode ( 43 ) is inserted in an end of the atomization base ( 41 ) and is electrically connected with the connection assembly ( 1 ) through the sleeve pipe ( 22 ).   
     
     
         2 . The atomization assembly according to  claim 1 , wherein one end of the atomization core ( 4 ) is connected to the e-liquid cup assembly ( 2 ) through screw threads, and the other end of the atomization core ( 4 ) abuts tightly against the atomization sleeve ( 3 ) through a method of an interference fit. 
     
     
         3 . The atomization assembly according to  claim 1 , wherein the atomization sleeve ( 3 ) comprises a main body part and a separating portion ( 30 ) formed radially from an inner wall of the main body part, the separating portion ( 30 ) separates an inner space of the atomization sleeve ( 3 ) to form a recycle chamber ( 31 ) communicated with the suction nozzle ( 5 ) and configured for recycling congealed e-liquid, a first through-hole ( 300 ) throughout the separating portion ( 30 ) is arranged in the separating portion ( 30 ), and an end of the atomization core ( 4 ) runs through the first through-hole ( 300 ). 
     
     
         4 . The atomization assembly according to  claim 3 , wherein the atomization core ( 4 ) further comprises an atomization cover ( 45 ), one end of the atomization cover ( 54 ) is connected to an end of the atomization base ( 41 ), the end is opposite to the first electrode ( 43 ), the other end of the atomization cover ( 45 ) runs through the first through-hole ( 300 ) of the separating portion ( 30 ) and extends into the recycle chamber ( 31 ), and a sealing element ( 304 ) configured for preventing a leakage of e-liquid is defined between the atomization cover ( 45 ) and the separating portion ( 30 ), an end of the atomization base ( 41 ) fixed with the first electrode ( 43 ) is defined in the sleeve pipe ( 22 ). 
     
     
         5 . The atomization assembly according to  claim 4 , wherein the sleeve pipe ( 22 ) and the atomization base ( 41 ) are connected through screw threads, the atomization cover ( 45 ) abuts tightly against the separating portion ( 30 ) along an axial direction of the atomization sleeve ( 3 ) through a method of an interference fit, so that a detachable connection between the atomization core ( 4 ) and the atomization sleeve ( 3 ) can be detached when the atomization sleeve ( 3 ) is disassembled, then the atomization core ( 4 ) is exposed. 
     
     
         6 . The atomization assembly according to  claim 5 , wherein one end of the atomization base ( 41 ) is opened, an external thread is arranged on an outer sidewall of an end of the atomization base ( 41 ) opposite to the opened end, an internal thread is arranged on an inner wall of the sleeve pipe ( 22 ), the atomization base ( 41 ) and the sleeve pipe are connected through screw threads, and a first annular groove is defined on a circumferential sidewall of a part of the atomization base ( 41 ) inserted into the sleeve pipe ( 22 ), a first sealing ring ( 7 ) is fastened in the first annular groove; and
 wherein the atomization cover ( 45 ) is covered over the opened end of the atomization base ( 41 ), the sealing element ( 304 ) is a sealing cover provided with a through-hole, the atomization cover ( 45 ) runs through the through-hole of the sealing cover and extends into the recycle chamber ( 31 ), and the atomization cover ( 45 ) abuts against the separating portion ( 30 ) through the sealing cover.   
     
     
         7 . The atomization assembly according to  claim 6 , wherein the atomization cover ( 45 ) comprises a cover body member connected to the atomization base ( 41 ) and a cylindrical connection member throughout the first through-hole ( 300 ), the sealing element ( 304 ) fits with the atomization cover ( 45 ). 
     
     
         8 . The atomization assembly according to  claim 4 , wherein the atomization cover ( 45 ) is fastened detachably in the first through-hole ( 300 ) of the separating portion ( 30 ) through screw thread connection or a buckle connection, the atomization base ( 41 ) is sheathed slidably in the sleeve pipe ( 22 ), so that the atomization core ( 4 ) can be removed when the atomization sleeve ( 3 ) is disassembled from the e-liquid storage sleeve ( 21 ). 
     
     
         9 . The atomization assembly according to  claim 8 , wherein one end of the atomization base ( 41 ) is opened, an end of the atomization base ( 41 ) fastened with the first electrode ( 43 ) is sheathed movably in the sleeve pipe ( 22 ), and a first annular groove is arranged on an outer sidewall of a part of the atomization base ( 41 ) inserted into the sleeve pipe ( 22 ), a first sealing ring ( 7 ) is fastened in the first annular groove; and
 wherein the atomization cover ( 45 ) is covered over the opened end of the atomization base ( 41 ), and a side edge of an end of the atomization cover ( 45 ) covering over the atomization base ( 41 ) extends radially to form a first outer flange ( 451 ), the sealing element ( 304 ) is a sealing ring defined on the first outer flange ( 451 ), the atomization cover ( 45 ) is detachably installed in the first through-hole ( 300 ), the sealing ring abuts between the first outer flange ( 451 ) and the separating portion ( 30 ).   
     
     
         10 . The atomization assembly according to  claim 3 , wherein the main body part comprises a first connection member ( 310 ) and a second connection member ( 320 ), the second connection member ( 320 ) is formed by shrinking radially and extending axially from an end of the first connection member ( 310 ), an external thread is arranged on a circumference outer sidewall of an end of the second connection member ( 320 ) close to the first connection member ( 310 ), a connector ( 6 ) is sleeved on an end of the e-liquid storage sleeve ( 21 ) towards the suction nozzle ( 5 ), an internal thread is defined on an inner wall of the connector ( 6 ), the second connection member ( 320 ) and the connector ( 6 ) are connected by screw threads to make ends of the first connection member ( 310 ) and the connector ( 6 ) abut against each other. 
     
     
         11 . The atomization assembly according to  claim 10 , wherein a second annular groove is defined on a circumference outer sidewall of the second connection member ( 320 ) inserted into the e-liquid storage sleeve ( 21 ), a second sealing ring ( 8 ) interference fitting with the e-liquid storage sleeve ( 21 ) is fastened in the second annular groove. 
     
     
         12 . The atomization assembly according to  claim 1 , wherein the atomization base ( 41 ) and the sleeve pipe ( 22 ) are made of conductive materials or are provided with conducting layers on surface, a first insulating ring ( 44 ) is sleeved between the atomization base ( 41 ) and the first electrode ( 43 ), a second insulating ring ( 23 ) and a second electrode ( 24 ) are sleeved in sequence in the sleeve pipe ( 22 ), the second electrode ( 24 ) is electrically connected to the connection assembly ( 1 ), an end of the atomization base ( 41 ) fastened with the first electrode ( 43 ) is inserted into the sleeve pipe ( 22 ), so as to make the second electrode ( 24 ) abut against the first electrode ( 43 ) to realize an electrical connection, and
 wherein an e-liquid transportation hole is defined on a sidewall of the atomization base ( 41 ) towards the e-liquid storage cavity, an end of the heating wire assembly ( 42 ) extends into the e-liquid storage cavity after stretching out from the e-liquid transportation hole.   
     
     
         13 . The atomization assembly according to  claim 1 , wherein a knurl structure is defined on a circumferential sidewall of the atomization sleeve ( 3 ) stretching out of the e-liquid storage sleeve ( 21 ). 
     
     
         14 . The atomization assembly according to  claim 1 , wherein an end of the suction nozzle ( 5 ) is opened and hollow inside, at least one smoke outlet ( 51 ) in communication with the suction nozzle ( 5 ) is arranged radially on an end of the suction nozzle ( 5 ) opposite to the opened end, the opened end of the suction nozzle ( 5 ) is connected with the atomization sleeve ( 3 ). 
     
     
         15 . The atomization assembly according to  claim 1 , wherein the connection assembly ( 1 ) comprises a connection base ( 11 ) and a lower electrode ( 12 ), the connection base ( 11 ) is configured for connecting detachably to the e-liquid cup assembly ( 2 ) and the battery assembly ( 10 ) respectively, the lower electrode ( 12 ) is sheathed and fastened in the connection base ( 11 ) and is configured for electrically connecting to the battery assembly ( 10 ), the connection base ( 11 ) is made of conductive materials or is provided with a conducting layer on surface; and
 wherein the sleeve pipe ( 22 ) and the e-liquid storage sleeve ( 21 ) are integrated, an inner wall of the e-liquid storage sleeve ( 21 ) close to the connection base ( 11 ) extends radially to form an inner flange, the sleeve pipe ( 22 ) is an annular bulge formed by an edge of the inner flange extending axially towards the suction nozzle ( 5 ), conducting layers are arranged on surfaces of the inner flange and the annular bulge, the connection base ( 11 ) is sheathed and connected in the e-liquid storage sleeve ( 21 ) and is abutted against the inner flange to realize an electrical connection.   
     
     
         16 . The atomization assembly according to  claim 1 , wherein the connection assembly ( 1 ) comprises a connection base ( 11 ) and a lower electrode ( 12 ), the connection base ( 11 ) is configured for connecting detachably to the e-liquid cup assembly ( 2 ) and the battery assembly ( 10 ) respectively, the lower electrode ( 12 ) is sheathed and fastened in the connection base ( 11 ) and is configured for electrically connecting to the battery assembly ( 10 ), the connection base ( 11 ) is made of conductive materials or is provided with a conducting layer on surface;
 wherein the sleeve pipe ( 22 ) and the connection base ( 11 ) are detachably connected, a circumferential sidewall of an end of the sleeve pipe ( 22 ) opposite to the atomization core ( 4 ) bulges radially to form two second outer flanges, the two second outer flanges enclose to form a third annular groove, and   wherein the sleeve pipe ( 22 ) is inserted in the connection base ( 11 ), the second outer flanges are abutted against the connection base ( 11 ), and a third sealing ring ( 9 ) interference fitting with the e-liquid storage sleeve ( 21 ) is fastened in the third annular groove.   
     
     
         17 . The atomization assembly according to  claim 1 , wherein two ends of the atomization sleeve ( 3 ) are connected to the suction nozzle ( 5 ) and the e-liquid storage sleeve ( 21 ) respectively through screw threads. 
     
     
         18 . An electronic cigarette, comprising a battery assembly and an atomization assembly, wherein the atomization assembly comprises a connection assembly ( 1 ), an e-liquid cup assembly ( 2 ), an atomization sleeve ( 3 ), an atomization core ( 4 ) and a suction nozzle ( 5 ), the connection assembly ( 1 ) is defined at an end of the e-liquid cup assembly ( 2 ) and is configured for detachably connecting with the battery assembly ( 10 ); the atomization sleeve ( 3 ) is defined on the other end of the e-liquid cup assembly ( 2 ) , the end is opposite to the connection assembly ( 1 ), and one end of the atomization sleeve ( 3 ) is detachably connected to the e-liquid cup assembly ( 2 ), the other end of the atomization sleeve is located outside the e-liquid cup assembly ( 2 ) and is connected to the suction nozzle ( 5 ); and
 wherein the e-liquid cup assembly ( 2 ) comprises an e-liquid storage sleeve ( 21 ) and a sleeve pipe ( 22 ), the sleeve pipe ( 22 ) is sheathed in the e-liquid storage sleeve ( 21 ), an e-liquid storage cavity is formed between the e-liquid storage sleeve ( 21 ) and the sleeve pipe ( 22 ), an e-liquid filling port in communication with the e-liquid storage cavity is defined on one end of the e-liquid storage sleeve ( 21 ), the other end of the e-liquid storage sleeve ( 21 ) is fixedly connected to the connection assembly ( 1 ); one end of the atomization core ( 4 ) located outside the e-liquid cup assembly ( 2 ) is inserted into the atomization sleeve ( 3 ) and is detachably connected to the atomization sleeve ( 3 ), and the other end of the atomization core ( 4 ) is inserted into the e-liquid cup assembly ( 2 ) from the e-liquid filling port of the e-liquid cup assembly ( 2 ) and is detachably connected to the e-liquid cup assembly ( 2 ); the atomization core ( 4 ) comprises an atomization base ( 41 ), a heating wire assembly ( 42 ) and a first electrode ( 43 ), an atomization cavity in communication with the suction nozzle ( 5 ) is defined in the atomization base ( 41 ), the heating wire assembly ( 42 ) is defined in the atomization cavity and is electrically connected with the first electrode ( 43 ), the first electrode ( 43 ) is inserted in an end of the atomization base ( 41 ) and is electrically connected to the connection assembly ( 1 ) through the sleeve pipe ( 22 ).   
     
     
         19 . The electronic cigarette according to  claim 18 , wherein the atomization sleeve ( 3 ) comprises a main body part and a separating portion ( 30 ), the separating portion ( 30 ) is formed radially from an inner wall of the main body part, the separating portion ( 30 ) separates an inner space of the atomization sleeve ( 3 ) to form a recycle chamber ( 31 ) in communication with the suction nozzle ( 5 ) and configured for recycling congealed e-liquid, a first through-hole ( 300 ) throughout the separating portion ( 30 ) is arranged on the separating portion ( 30 ), an end of the atomization core ( 4 ) runs through the first through-hole ( 300 ); and
 wherein the atomization core ( 4 ) further comprises an atomization cover ( 45 ), one end of the atomization cover ( 45 ) is connected to an end of the atomization base ( 41 ) opposite to the first electrode ( 43 ), the other end of the atomization cover ( 45 ) runs through the first through-hole ( 300 ) of the separating portion ( 30 ) and extends into the recycle chamber ( 31 ), and a sealing element ( 304 ) configured for preventing a leakage of e-liquid is defined between the atomization cover ( 45 ) and the separating portion ( 30 ), an end of the atomization base ( 41 ) fixed with the first electrode ( 43 ) is defined in the sleeve pipe ( 22 ).   
     
     
         20 . The electronic cigarette according to  claim 19 , wherein the sleeve pipe ( 22 ) and the atomization base ( 41 ) are connected through screw threads, the atomization cover ( 45 ) abuts tightly against the separating portion ( 30 ) along an axial direction of the atomization sleeve ( 3 ) through a method of an interference fit, so that a detachable connection between the atomization core ( 4 ) and the atomization sleeve ( 3 ) can be detached when the atomization sleeve ( 3 ) is disassembled, then the atomization core ( 4 ) is exposed;
 or,   the atomization cover ( 45 ) is fastened detachably in the first through-hole ( 300 ) of the separating portion ( 30 ) through screw thread connection or a buckle connection, the atomization base ( 41 ) is sheathed slidably in the sleeve pipe ( 22 ), so that the atomization core ( 4 ) can be removed when the atomization sleeve ( 3 ) is disassembled from the e-liquid storage sleeve ( 21 ).