Tool holder

A tool holder, comprising:

• a body including a top surface and a bottom surface opposite to the top surface, the top surface including an end portion and an outlet portion, wherein the end portion is provided for mounting of a lathe tool, a first water channel hole is formed in the bottom surface of the body, two diverted water channels are in communication with the first water channel hole, each of the diverted water channels has a first end connected to the first water channel hole and a second end located on the top surface, the body is further provided with a second water channel hole which has two ends located on the bottom surface and the end portion, respectively;
• a base including a connecting surface in contact with the bottom surface, and being provided with a water inlet which has one end located at the connecting surface, when the connecting surface comes into contact with the bottom surface, the water inlet is in communication with the first water channel hole, the connecting surface is provided with a groove which is in communication with the water inlet and the second water channel hole;
• and
• a sprayer including a first end surface attached to the outlet portion and a second end surface extending to the end portion, the sprayer further including two water spraying passages, wherein each of the water spraying passages has one end located at the first end surface and connected to the two diverted water channels, and another end located at the second end surface.