Electronic atomization device

An electronic atomization device, comprising a suction nozzle, an oil cup assembly, an atomization core assembly disposed in the oil cup assembly and an electrode assembly electrically connected with the atomization core assembly, wherein the atomization core assembly comprises a heater support with a first stepped structure, an atomization core body supported by the heater support, a sealing washer sleeved on the atomization core body and closely contacting with the first stepped structure, an electrode connecting part connected with an end of the heater support via an insulating ring and an air hole connecting part disposed in the atomization core body;

• the oil cup assembly comprises an oil cup body, a first connecting element removably connected with the suction nozzle and a second connecting element removably connected with the electrode assembly, the oil cup body having an airway tube disposed therein for connecting with the air hole connecting part and the second connecting element having a second stepped structure formed therein for fitting the sealing washer;
• and the atomization core assembly is disposed between the second connecting element and the electrode assembly, the electrode connecting part is connected with a positive electrode of the electrode assembly and the heater support is connected with a negative electrode of the electrode assembly.