Reverser

The utility model discloses a reverser, make the switching -over copper sheet that the circumference equipartition was laid including the plastics mold core with at the excircle of plastics mold core, welding groove is offered at top position to the outer disc of switching -over copper sheet, carries out insulated isolation, its characterized in that through the mica sheet between the adjacent switching -over copper sheet: the outer disc of switching -over copper sheet has inclined plane design except that the top, the outer disc of all switching -over copper sheets encloses a big -end -up's toper cylinder jointly, two were colluded the foot and implant the plastics mold core and combine with the plastics mold core about the medial surface of switching -over copper sheet was equipped with, and upper and lower two are colluded and are equipped with dovetail -shaped frame strip between the foot, collude the foot on the upper end fixed connection of dovetail -shaped frame strip, colluded the foot under the lower