Electronic cigarette having reliably sealed e-liquid inlet

An electronic cigarette, comprising:

• a mouthpiece assembly, the mouthpiece assembly comprising a mouthpiece, a first seal ring adapted to seal the mouthpiece, a decorative ring, a first fixed seat adapted to fix the mouthpiece, a second seal ring adapted to seal the first fixed seat, a decorative cover, a fixed cover, a fixed ring adapted to fix the fixed cover, and a slide block;
• an atomizing assembly, the atomizing assembly comprising a silicone seal, a pin, a spring, a second fixed seat adapted to fix the slide block, a vapor regulating ring, a sixth seal ring adapted to seal the vapor regulating ring, a glass tube, a third seal ring adapted to seal an upper part of the glass tube, a fourth seal ring, and an atomizing unit;
• and
• a base assembly, the base assembly comprising a fifth seal ring adapted to seal a lower part of the glass tube, a base, an insulation ring, and a joint;
• wherein:
• the first seal ring and the decorative ring are sheathed on the mouthpiece;
• the mouthpiece is fixed on the first fixed seat;
• the first fixed seat comprises a side wall comprising an annular groove, and the second seal ring is embedded in the annular groove;
• the first fixed seat is screwed on the decorative cover;
• the fixed ring is sheathed on the fixed cover;
• the decorative cover is disposed on the fixed cover;
• the slide block is disposed in the fixed cover;
• the silicone seal is disposed on the second fixed seat;
• the second fixed seat comprises an upper annular groove and a lower annular groove, and the sixth seal ring and the third seal ring are disposed in the upper annular groove and the lower annular groove, respectively;
• the vapor regulating ring is connected to the second fixed seat;
• the fourth seal ring is embedded in the second fixed seat;
• the atomizing unit is inserted in the second fixed seat;
• the glass tube is in threaded connection to the second fixed seat;
• the spring is sheathed on the pin;
• the second fixed seat comprises a location hole, and the pin is inserted in the location hole;
• the second fixed seat comprises a side wall comprising a plurality of air inlets, and the atomizing unit comprises a side wall comprising a plurality of holes;
• the plurality of air inlets communicates with the plurality of holes;
• and
• the fifth seal ring is sheathed on the base and embedded in the glass tube;
• the insulation ring is sheathed on the joint;
• the joint is inserted in a central hole of the base;
• and the base is in threaded connection to the atomizing unit.