Antiskid and anti-scour rubber quadrangular copper nut

The utility model discloses an anti-skid and anti-scour quadrangular copper nut which comprises a central threaded through hole, a circular nut upper connecting block, a circular nut lower connecting block and a middle circular groove, and the circular nut upper connecting block and the circular nut lower connecting block are both of a quadrangular structure. The round nut upper connecting block, the round nut lower connecting block, the middle round groove and the center threaded through hole form a quadrangular copper nut body, a round corner is formed in the top of the middle round groove, upper limiting grooves are formed in the outer walls of the two sides of the round nut upper connecting block, and strip-shaped grooves are formed in the outer walls of the other two sides of the round nut upper connecting block; the bottom end of the circular nut lower connecting block is fixedly connected with a reinforcing ring, the reinforcing ring communicates with the center threaded through hole, and limiting bloc