Spray head for magnetic powder flaw detector convenient for uniformly spraying magnetic powder

The utility model discloses a spray head for a magnetic powder flaw detector, which is convenient for uniformly spraying magnetic powder. The spray head comprises a connecting rod, a spray head body and a protective cover, the magnetic powder spray head has the advantages that the sealing ring is arranged between the mounting plate and the limiting ring, the sealing performance of connection between the external liquid inlet pipeline and the spray head body can be improved, the filter element is arranged in the through groove in the connecting rod, the filter holes of the filter element are larger than the diameter of normal magnetic powder particles, magnetic powder liquid can be filtered, and the magnetic powder spray head is convenient to use. The spray head is prevented from being blocked by magnetic powder bonding, so that the spraying quality is ensured; a fan is connected to the inner top wall of the upper shell through a rotating shaft, an outlet of a magnetic powder liquid outlet cavity is located in