Micro-bubble nozzle

The utility model discloses a micro-bubble spray head, and relates to the technical field of bubble paintbrush spray heads. A bubble outlet pipe is fixedly connected to the outer wall of the lower side of the bubble making shell, a plurality of flow guide plates are fixedly connected to the inner wall of the bubble outlet pipe, a connecting pipe is arranged on the inner side of the bubble making shell, a limiting pipe is arranged on the inner side of the connecting pipe, a rotating rod is arranged on the inner side of the limiting pipe, and a rotating plate is fixedly connected to the end, close to the bubble outlet pipe, of the rotating rod. The end, away from the rotating rod, of the transmission connector is externally connected with a rotating motor, and a plurality of acting grooves are formed in the side wall of the rotating plate. According to the 3D bubble pen, the rotating plate is driven to rotate at a high speed under the action of the external rotating motor, bubble making liquid guided in through