Water bath kettle

The utility model discloses a water bath kettle which comprises a machine body, a storage tank is arranged on the machine body, a water bath kettle body is placed in the storage tank, and the water bath kettle is characterized in that a transverse sliding rail is arranged on the front side and the rear side of the top of the storage tank respectively, and at least one adjusting piece is arranged above the storage tank. The adjusting piece is perpendicular to the transverse sliding rails, and the two ends of the adjusting piece are arranged on the two transverse sliding rails in a sliding mode respectively; the two ends of the top of the adjusting part are each provided with a butterfly bolt, the bottoms of the butterfly bolts abut against the transverse sliding rails, and the adjusting part is locked and limited to the transverse sliding rails through the butterfly bolts. The left side and the right side of the adjusting part are each provided with a plurality of arc-shaped limiting openings, the multiple arc