Electrode device and hair curler

An electrode device, comprising:

• a connecting shaft (1);
• a plurality of electrodes (2) which are sleeved on the connecting shaft (1), the plurality of electrodes (2) being sequentially arranged along an axial direction of the connecting shaft (1);
• and
• a plurality of insulating retainer rings (3) sleeved on the connecting shaft (1), each of the plurality of insulating retainer rings (3) being arranged between adjacent two of the plurality of electrodes (2);
• wherein each of the plurality of insulating retainer rings (3) comprises an annular main body part (31) and an annular extension part (32) extending in the axial direction, an outer diameter of the main body part (31) is larger than an outer diameter of the extension part (32), and at least one of the plurality of electrodes (2) is sleeved on a periphery of the extension part (32) of a corresponding one of the plurality of insulating retainer rings (3);
• and
• wherein the connecting shaft (1) comprises a stage section and a mounting section, an outer diameter of the stage section is equal to that of each of the extension parts (32) of the plurality of insulating retainer rings (3), one of the plurality of electrodes (2) is sleeved on the stage section, and the plurality of insulating retainer rings (3) are sleeved on the mounting section.

An electrode device, comprising:

• a connecting shaft (1);
• a plurality of electrodes (2) which are sleeved on the connecting shaft (1), the plurality of electrodes (2) being sequentially arranged along an axial direction of the connecting shaft (1);
• and
• a plurality of insulating retainer rings (3) sleeved on the connecting shaft (1), each of the plurality of insulating retainer rings (3) being arranged between adjacent two of the plurality of electrodes (2);
• wherein each of the plurality of insulating retainer rings (3) comprises an annular main body part (31) and an annular extension part (32) extending in the axial direction, an outer diameter of the main body part (31) is larger than an outer diameter of the extension part (32), and at least one of the plurality of electrodes (2) is sleeved on a periphery of the extension part (32) of a corresponding one of the plurality of insulating retainer rings (3);
• and
• wherein the electrode device further comprises an electrode holder (4) and multiple static electrodes (5) arranged on the electrode holder (4), the multiple static electrodes (5) are arranged in a one-to-one correspondence with the plurality of electrodes (2), and each of the multiple static electrodes (5) is in contact with a corresponding one of the plurality of electrodes (2) and is wrapped around a periphery of the corresponding one of the plurality of electrodes (2).