Electronic cigarette with good waterproof effect

The utility model discloses an electronic cigarette with good waterproof effect, which comprises an upper shell, the top end of the upper shell is connected with a hollow suction nozzle, the bottom end of the upper shell is connected with an internal thread connecting pipe, the inner wall of the internal thread connecting pipe is in threaded connection with an external thread pipe, the bottom end of the external thread pipe is connected with a lower shell, and the lower shell is in threaded connection with the upper shell. An upper sealing plug is clamped in the hollow suction nozzle, and the upper surface of the upper sealing plug is connected with an upper sealing cover. According to the device, the elastic sealing ring is arranged on the surface of the lower shell, when the upper shell and the lower shell are connected, the elastic sealing ring can assist in tighter connection of the upper shell and the lower shell, and a gap between the upper shell and the lower shell is effectively prevented; when a user