Modified gear cover

The utility model discloses a modified gear cover. The joint mouth of a cover body is designed to a frame sinking table type structure. Namely, an integral steel sheet is processed into a frame according to the horizontal section of the joint mouth of the cover body, and an upper joint mouth surface and a lower joint mouth surface are respectively form a groove and a lug boss for the mutual insertion. In addition, the middle part of the joint mouth is provided with a fastening screw bolt. The screw bolt can increase the stiffness of the cover body, the joint mouth surfaces are contacted and tightly attached, and the oil leakage at this point can be avoided. The utility model causes the joint mouth surfaces to contact and tightly attach, the sealing performance of the joint mouth can be enhanced, the leakage of grease can be effectively blocked, and the strength of the cover body can be enhanced.