Novel pregnant cutting teeth of inserting of oil drill bit diamond

The utility model discloses a novel pregnant cutting teeth of inserting of oil drill bit diamond, including fixing the base on the drill bit body, the one end indent that the drill bit body was kept away from to the base forms the recess, and the recess simultaneously with the end and lateral wall intercommunication of base, sets up to be pregnant in the recess and insert, and pregnant bottom surface of inserting is fixed with the bottom surface of recess, it is pregnant that insert and the base constitutes overall structure, the lateral wall setting of pregnant lateral wall of inserting and recess is in the coplanar, the top surface setting of pregnant top surface of inserting and base is in same arc surface. The pregnant cutting teeth hardness of inserting of this diamond is high, longe-lived, and the diamond quantity is few moreover, and is with low costs, cutting teeth welding strength is high, is difficult for droing, and bit life is long.