The invention discloses an electromagnetic coil device which comprises a binding post part and contact pins passing through the binding post part, wherein the contact pins are divided into a first group of contact pins connected with an upper coil stator, and a second group of contact pins connected with a lower coil stator; the first group of contact pins and the second group of contact pins are arranged at intervals; the first group of contact pins comprise a first outer section provided with a first head part, and a first inner section provided with a first root part; the second group of contact pins comprise a second outer section provided with a second head part, and a second inner section provided with a second root part; the first and the second head parts penetrates outside from lead-out surfaces of the contact pins of the binding post part; the first group of contact pins and the second group of contact pins are at least provided with one group of bending parts; and the distance between the adjacent first and the second head parts is larger than that between the adjacent first and the second root parts. The electromagnetic coil device prolongs the distance between welding spots of the head parts of the adjacent contact pins, thus improving the insulating property between the welding spots of the head parts of the adjacent contact pins.