Electronic Cigarette Tightly Engaged By Expansion

An electronic cigarette tightly engaged by expansion, comprises a sucking rod and a power rod, wherein the sucking rod is configured with a first connector at its end mated with the power rod, the first connector comprises a first seat and a first pole which are respectively served as two connecting electrodes of the first connector, and the first seat is configured with a first expanding portion;

• the power rod is configured with a second connector at its end mated with the sucking rod, the second connector comprises a second seat and a second pole which are respectively served as two connecting electrodes of the second connector, the second seat is configured with a second expanding portion which is capable of being tightly engaged with the first expanding portion by expansion;
• the first expanding portion and the second expanding portion are mutually tightly engaged with each other by expansion to make the first connector to abut against the second connector and make the first pole to abut against the second pole.