Replaceable vaporizer assembly and electronic cigarette having the same

An electronic cigarette body comprising:

• a mouthpiece base defining a center opening, wherein the mouthpiece base comprises an external thread;
• a mouthpiece configured to slidedly fit into the center opening of the mouthpiece base;
• a connector base having an internal thread configured to threadedly connect to the external thread of the mouthpiece base, and an external thread;
• a mounting base defining a plurality of air intake openings, wherein the mounting base comprises a first internal thread configured to threadedly connect to the external thread of the connector base, and a second internal thread;
• an E-liquid storage tank having a top end and a bottom end;
• and
• a connector having a first external thread configured to threadedly connect to the second internal thread of the mounting base, and a second external thread configured to threadedly connect to a negative terminal of a power module.

An electronic cigarette comprising:

• an electronic cigarette body having a mouthpiece installed in a mouthpiece base, a connector base, a mounting base defining a plurality of air intake openings, an E-liquid storage tank, and a connector;
• and
• a replaceable vaporizer assembly,
• wherein the mounting base and the connector base are threadedly connected through a first internal thread of the mounting base and an external thread of the connector base to form an air chamber inside of the mounting base and the connector base, wherein outside air enters the air chamber to be vaporized by the replaceable vaporizer assembly through the plurality of air intake openings, goes up through a plurality of gaps between the mounting base and the connector base, and exits the electronic cigarette body through the mouthpiece.