Aerosol generating device

Abstract

Disclosed is an aerosol generating device, which includes a housing and a liquid storage cup mounted in the housing. A suction nozzle is disposed on the housing, a first liquid storage space is formed between the housing and the liquid storage cup, a second liquid storage space is formed in the liquid storage cup, a first sealing member is disposed between the housing and the liquid storage cup and at a side away from the suction nozzle, a second sealing member is disposed at a side of the second liquid storage space away from the suction nozzle, a third sealing member is disposed at a side of the liquid storage cup away from the suction nozzle, and the third sealing member is disposed at a side of the second sealing member away from the suction nozzle.

What is claimed is: 
     
         1 . An aerosol generating device comprising a housing and a liquid storage cup mounted in the housing, wherein a suction nozzle is disposed on the housing, a first liquid storage space is formed between the housing and the liquid storage cup, a second liquid storage space and a cell mounting cavity are formed in the liquid storage cup, a liquid conducting hole for communicating the first liquid storage space and the second liquid storage space is disposed on the liquid storage cup, a first sealing member is disposed between the housing and the liquid storage cup and at a side away from the suction nozzle, a second sealing member is disposed at a side of the second liquid storage space away from the suction nozzle, a third sealing member is disposed at a side of the liquid storage cup away from the suction nozzle, and the third sealing member is disposed at a side of the second sealing member away from the suction nozzle. 
     
     
         2 . The aerosol generating device according to  claim 1 , wherein a positioning groove is disposed on an inner wall of the housing or an outer wall of the liquid storage cup, the first sealing member is disposed in the positioning groove, and at least two protruding sealing ribs are disposed on a side of the first sealing member away from a bottom of the positioning groove. 
     
     
         3 . The aerosol generating device according to  claim 1 , wherein the first sealing member is integrally formed on an inner wall of the housing or an outer wall of the liquid storage cup. 
     
     
         4 . The aerosol generating device according to  claim 1 , wherein the housing is made of a transparent material. 
     
     
         5 . The aerosol generating device according to  claim 1 , wherein at least two protruding sealing ribs are disposed on an outer periphery of the second sealing member. 
     
     
         6 . The aerosol generating device according to  claim 1 , wherein a liquid injection hole is disposed on the second sealing member, a blocking member is disposed in the liquid injection hole, and at least two protruding sealing ribs are disposed on an inner wall of the liquid injection hole. 
     
     
         7 . The aerosol generating device according to  claim 1 , wherein at least two protruding sealing ribs are disposed on an outer periphery of the third sealing member. 
     
     
         8 . The aerosol generating device according to  claim 1 , wherein a sealing protruding structure is disposed on the third sealing member to plug a side of the cell mounting cavity away from the suction nozzle. 
     
     
         9 . The aerosol generating device according to  claim 1 , wherein the first sealing member is made of a silica gel or rubber material, the second sealing member is made of a silica gel or rubber material, and the third sealing member is made of a silica gel or rubber material. 
     
     
         10 . The aerosol generating device according to  claim 8 , wherein a mounting cavity is formed between the third sealing member and a side of the sealing protruding structure facing away from the suction nozzle, and a control plate is disposed in the mounting cavity. 
     
     
         11 . The aerosol generating device according to  claim 10 , wherein a atomizer tube and an atomizing assembly are disposed in the liquid storage cup, both ends of the atomizer tube are contacted with the suction nozzle and the atomizing assembly, respectively, liquid inlet holes are disposed on the atomizer tube and the atomizing assembly to communicate the atomizing assembly with the second liquid storage space, and a tubular sealing portion is disposed on the second sealing member and extends into the atomizing assembly from a side of the atomizing assembly away from the suction nozzle. 
     
     
         12 . The aerosol generating device according to  claim 11 , wherein a gas passing cavity is disposed on the third sealing member and in communication with the tubular sealing portion, and a gas passing hole is disposed at a bottom of the gas passing cavity. 
     
     
         13 . The aerosol generating device according to  claim 12 , wherein a bottom shell for plugging the mounting cavity is disposed on a side of the housing away from the suction nozzle, and a gas inlet hole is disposed on the bottom shell and extends into the gas passing hole. 
     
     
         14 . The aerosol generating device according to  claim 11 , wherein a cell is disposed in the cell mounting cavity, a heating member is disposed in the atomizing assembly, a liquid conducting member is disposed outside the heating member, and the cell and the heating member are both connected to the control plate. 
     
     
         15 . The aerosol generating device according to  claim 1 , wherein the first sealing member is of an annular structure.