Electronic cigarette

Abstract

An electronic cigarette includes an e-liquid extruder. The e-liquid extruder includes an e-liquid tank, a piston, a push rod, and a motor. The piston is disposed in a bottom opening of the e-liquid tank. The push rod includes an inner wall with a female thread and the rotor includes an outer wall with a male thread. The male thread corresponds to the female thread. The piston is disposed on the push rod; when the motor is energized and rotates, the push rod moves upward to extrude e-liquid out of the e-liquid tank.

The invention claimed is: 
     
         1 . An electronic cigarette, comprising an e-liquid extruder; wherein the e-liquid extruder comprises an e-liquid tank, a piston, a push rod, and a motor; the piston is disposed in a bottom opening of the e-liquid tank; the push rod comprises an inner wall with a female thread and the rotor comprises an outer wall with a male thread; the male thread corresponds to the female thread; the piston is disposed on the push rod; when the motor is energized and rotates, the push rod moves upward to extrude e-liquid out of the e-liquid tank. 
     
     
         2 . The electronic cigarette of  claim 1 , wherein the electronic cigarette further comprises an atomizing assembly and a battery assembly; the battery assembly comprises a passage; the e-liquid extruder is disposed in the battery assembly; both the e-liquid tank and the atomizing assembly are disposed in the passage; and the atomizing assembly is disposed on the e-liquid tank. 
     
     
         3 . The electronic cigarette of  claim 2 , wherein the atomizing assembly comprises a heating assembly comprising a heating element; the atomizing assembly further comprises an e-liquid conduction channel communicating with a bottom portion of the heating element. 
     
     
         4 . The electronic cigarette of  claim 3 , wherein the heating element is in the shape of a bowl; the heating element comprises a first through hole disposed on the bottom portion of the heating element and communicating with the e-liquid conduction channel; the heating element further a bottom surface, a peripheral wall, and a plurality of heating wires disposed on the bottom surface and/or the peripheral wall. 
     
     
         5 . The electronic cigarette of  claim 4 , wherein the heating assembly further comprises a first silicone ring and a base; the heating element is disposed in the first silicone ring to atomize the e-liquid; the first silicone ring is disposed between the heating element and the base to prevent leakage of the e-liquid. 
     
     
         6 . The electronic cigarette of  claim 5 , wherein the first silicone ring and the base each are a concave member comprising a bottom wall and each bottom wall comprises a second through hole; both the first through hole and the second through hole are a part of the e-liquid conduction channel; the heating assembly further comprises a plurality of metal wires spirally disposed on an inner surface of the heat element. 
     
     
         7 . The electronic cigarette of  claim 6 , wherein the heating assembly further comprises a joint comprising a third through hole; the e-liquid tank comprises a top portion comprising an e-liquid outlet; the e-liquid outlet and through holes of the heating element, the first silicone ring, the base, and the joint are disposed on a vertical line and communicate with each other; the e-liquid is extruded out of the e-liquid tank, flows through the e-liquid conduction channel, into the heating element, and is atomized to produce smoke or vapor. 
     
     
         8 . The electronic cigarette of  claim 5 , wherein the heating assembly further comprises a positive pin, a negative pin, and an insulating ring; the insulating ring is disposed in the second through hole of the base to isolate the positive pin and the negative pin; the joint is disposed in a fourth through hole of the insulating ring and contacts the positive pin and the negative pin for electronic conducting. 
     
     
         9 . The electronic cigarette of  claim 3 , wherein an e-liquid outlet is disposed under the atomizing assembly and communicates with the e-liquid conduction channel; the piston is movable in the e-liquid tank to extrude the e-liquid out of the e-liquid outlet; the e-liquid flows through the e-liquid conduction channel and enters the heating element, and is atomized to produce smoke and vapor. 
     
     
         10 . The electronic cigarette of  claim 2 , wherein the battery assembly comprises a battery, a power supply board, and a control board; the battery is disposed on an input terminal of the power supply board; the control board is disposed on the motor to control the rotational speed of the motor, thereby adjusting the amount of the e-liquid flowing out of the e-liquid tank; an output terminal of the power supply board is connected to the control board to energize the motor and the control board. 
     
     
         11 . The electronic cigarette of  claim 10 , wherein the battery assembly further comprises a screen board comprising a screen; the screen board is disposed in the battery assembly with the screen exposed outside the battery assembly to display electrical parameters and function information of the electronic cigarette. 
     
     
         12 . The electronic cigarette of  claim 11 , wherein the battery assembly further comprises a power button, a regulation button, and a switch button; the power button is configured to turn on a power supply of the electronic cigarette, thus controlling the heating element and the motor to work; the switch button is configured to switch between a power control mode and a motor-controlled e-liquid supply mode; the regulation button is configured to adjust the power control mode and the motor-controlled e-liquid supply mode; when the electronic cigarette works in the power control mode, the regulation button is configured to adjust an amount of heat generated by the heating element; when the electronic cigarette works in the motor-controlled e-liquid supply mode, the regulation button is configured to adjust a rotational speed of the motor. 
     
     
         13 . The electronic cigarette of  claim 12 , wherein the battery assembly further comprises a sensor disposed on the screen board; when external air is sucked into the electronic cigarette, the sensor detects air flow to control the amount of the e-liquid supplied. 
     
     
         14 . The electronic cigarette of  claim 3 , wherein the atomizing assembly further comprises a housing and a mouthpiece disposed on a top portion of the housing; the external air flows through an air inlet of the battery assembly into the atomizing assembly, causing the heating element to atomize the e-liquid; the smoke or vapor generated flows through the mouthpiece and is inhaled by a user. 
     
     
         15 . The electronic cigarette of  claim 1 , wherein the e-liquid extruder further comprises a seal ring disposed around an outer wall of the piston to prevent the e-liquid from flowing out of the bottom opening of the e-liquid tank. 
     
     
         16 . The electronic cigarette of  claim 1 , wherein the piston is disposed on one end of the push rod; or one end of the push rod is secured to a bottom surface of the piston; when the motor rotates in reverse, the rotor rotates in a reverse direction, pulling the push rod to move toward the bottom opening of the e-liquid tank; and thus the e-liquid tank is filled with the e-liquid. 
     
     
         17 . The electronic cigarette of  claim 2 , wherein the battery assembly further comprises a bracket; the e-liquid extruder is fixed in the bracket; the bracket comprises a hollow column functioning as the passage of the battery assembly; and the e-liquid tank is disposed in the hollow column.