Diamond drill bit with novel water gap

The utility model discloses a diamond drill bit with novel water gaps, which comprises a drill bit base body and a drilling rotating shaft, the drill bit base body is arranged at the bottom end of the drilling rotating shaft, the bottom end of the drill bit base body is provided with a plurality of groups of drilling matrix bodies, a water gap is arranged between every two adjacent drilling matrix bodies, and the bottom end of each drilling matrix body is provided with an end face bulge. According to the diamond drill bit with the novel water gap, the water gap is designed to be in the conical shape with the wide upper portion and the narrow lower portion, when the diamond drill bit is used, even if the bottom of a drilling matrix is seriously abraded, due to the fact that the lower portion of the water gap is narrow, the influence on the overall size of the water gap is small, and normal circulation of washing liquid/mud liquid cannot be excessively influenced; in addition, due to the arrangement of the prot