Cartridge and electronic cigarette having same

Abstract

A cartridge and an electronic cigarette having the cartridge are disclosed. The cartridge includes a top wall and a peripheral wall. The top wall and the peripheral wall surrounds a liquid storage chamber of the cartridge. The peripheral wall is defined with an air inflow passage and a smoke outflow passage. The air inflow passage is located at one side of the peripheral wall, and the smoke outflow passage is located at the other side of the peripheral wall opposite to the air inflow passage.

1 . An electronic cigarette comprising a cartridge and an atomizing assembly, the cartridge having a liquid storage chamber, a bottom end of the liquid storage chamber being open, the atomizing assembly comprising an atomizing head, wherein the cartridge comprises a top wall and a peripheral wall, the top wall and the peripheral wall surrounds the liquid storage chamber, the peripheral wall is provided with an air inflow passage on one side of the cartridge, the peripheral wall is provided with a smoke outflow passage on the other side of the cartridge, the atomizing head is disposed at a bottom side of the cartridge, the atomizing head has an atomizing channel, one end of the atomizing channel communicates with the air inflow passage, the other end of the atomizing channel communicates with the smoke outflow passage, an outer wall of the atomizing head is provided with a liquid inlet hole, the liquid inlet hole communicates with the liquid storage chamber, the cigarette liquid in the liquid storage chamber flows through the liquid inlet hole into the atomizing channel to be atomized into smoke. 
     
     
         2 . The electronic cigarette according to  claim 1 , wherein a top end of the liquid storage chamber is closed, the air inflow passage extends axially from a bottom end of the peripheral wall to a preset height, the peripheral wall correspondingly defines an air inlet hole which communicates with a top end of the air inflow passage. 
     
     
         3 . The electronic cigarette according to  claim 1 , wherein the smoke outflow passage extends axially from a bottom end of the peripheral wall to a top end of the peripheral wall and penetrates the top end and the bottom end of the peripheral wall. 
     
     
         4 . The electronic cigarette according to  claim 1 , wherein the peripheral wall or the top wall is defined with a liquid injection hole. 
     
     
         5 . The electronic cigarette according to  claim 2 , wherein an air guiding tab is provided at a bottom surface of the peripheral wall of the cartridge corresponding to an outlet of the air inflow passage and an inlet of the smoke outflow passage, the two air guiding tabs are oppositely disposed, the airflow flowing out from the air inflow passage is guided by the air guiding tab to the smoke outflow passage, and the airflow is then guided into the smoke outflow passage by the air guiding tab of the smoke outflow passage. 
     
     
         6 . The electronic cigarette according to  claim 1 , wherein a liquid retaining ring is sleeved on each of two ends of an outer wall of the atomizing head, a plurality of liquid inlet holes are formed in the outer wall of the atomizing head between the two liquid retaining rings, the atomizing head comprises a first casing disposed at one end, a second casing disposed at the other end, and an insulating member disposed between the first casing and the second casing, the atomizing head further comprises a heating member and a liquid absorbing member, the liquid absorbing member is wrapped around an outer periphery of the heating member, and together mounted in an inner chamber of the first casing. 
     
     
         7 . The electronic cigarette according to  claim 1 , further comprising a housing, the housing comprising an upper housing and a lower housing matched with the upper housing, a latching hole is formed at a connecting portion between the upper housing and the lower housing, an upper end of the cartridge is installed in the upper housing, a lower end of the cartridge and the atomizing assembly are mounted in the lower housing. 
     
     
         8 . The electronic cigarette according to  claim 1 , wherein two ends of the atomizing channel of the atomizing head are respectively aligned with an outlet of the air inflow passage and an inlet of the smoke outflow passage; the air inflow passage, the smoke outflow passage and the atomizing channel cooperatively form a U-shaped airflow passage which surrounds the liquid storage chamber of the cartridge. 
     
     
         9 . The electronic cigarette according to  claim 8 , further comprising a control assembly, wherein the control assembly comprises a mounting bracket, the mounting bracket is formed with a partition wall adjacent to the atomizing head, the mounting bracket is mounted with a sensor, the partition wall is provided with a suction sensing channel, the suction sensing channel communicates the airflow passage of the electronic cigarette with the sensor. 
     
     
         10 . The electronic cigarette according to  claim 9 , wherein the control assembly comprises a pole contacting member, the mounting bracket is mounted with a circuit board, the partition wall is provided with a mounting hole, the pole contacting member is mounted in the mounting hole ( 412 ) for electrically connecting the circuit board with the atomizing head. 
     
     
         11 . A cartridge, wherein the cartridge comprises a top wall and a peripheral wall, the top wall and the peripheral wall surrounds a liquid storage chamber, the peripheral wall is defined with an air inflow passage and a smoke outflow passage, the air inflow passage is located at one side of the peripheral wall, and the smoke outflow passage is located at the other side of the peripheral wall opposite to the air inflow passage. 
     
     
         12 . The cartridge according to  claim 11 , wherein a bottom end of the liquid storage chamber is open. 
     
     
         13 . The cartridge according to  claim 11 , wherein the peripheral wall or the top wall is defined with a liquid injection hole. 
     
     
         14 . The cartridge according to  claim 11 , wherein the peripheral wall is defined with an air inlet hole, and the air inlet hole communicates with the air inflow passage. 
     
     
         15 . The cartridge according to  claim 11 , wherein the smoke outflow passage extends axially from a bottom end of the peripheral wall to a top end of the peripheral wall and penetrates the top end and the bottom end of the peripheral wall. 
     
     
         16 . The cartridge according to  claim 11 , wherein the air inflow passage extends axially from a bottom end of the peripheral wall to a preset height. 
     
     
         17 . An electronic cigarette comprising the cartridge according to  claim 11 . 
     
     
         18 . The electronic cigarette according to  claim 17 , further comprising a housing, wherein the cartridge is mounted in the housing, and the housing has a smoke exhaust hole at a top end thereof. 
     
     
         19 . The electronic cigarette according to  claim 17 , further comprising an atomizing assembly, wherein the atomizing assembly comprises an atomizing head, an atomizing channel is defined in the atomizing head, one end of the atomizing channel communicates with the air inflow passage, the other end of the atomizing channel communicates with the smoke outflow passage, an outer wall of the atomizing head is defined with a liquid inlet hole, and the liquid inlet hole communicates with the liquid storage chamber. 
     
     
         20 . The electronic cigarette according to  claim 17 , further comprising a suction sensing channel and a sensor, wherein the air inflow passage, the smoke outflow passage and the atomizing channel cooperatively form an airflow passage of the electronic cigarette, two ends of the suction sensing channel are communicated with the sensor and the airflow passage, respectively.