Salt color selector circuit protection cover

The invention discloses a salt color selector circuit protection cover. The salt color selector circuit protection cover comprises a main cover, a connecting sheet, a protection cover door, a threading pipe and a seal strip, wherein the periphery of one end surface of the main cover is vertically connected with the connecting sheet, and the other end surface, corresponding to the connecting sheet, of the main cover is movably connected with the protection cover door; a slotted hole is formed in the end surface of the main cover connected with the protection cover door; the periphery of the slotted hole is connected with the seal strip; a circular hole is formed in the protection cover door; and the circular hole is in sealing connection with the threading pipe. According to the salt color selector circuit protection cover disclosed by the invention, the movable protection cover door is convenient to maintain and mount, and a threading pipe transmission circuit is connected in a sealing manner to achieve all-around protection, so that the service life of machine circuit is greatly prolonged, the maintenance is reduced, and the salt color selector circuit protection cover is simple in structure and practical and is suitable for large-scale popularization.