Internal heat dissipation motor structure

The utility model relates to an internal heat dissipation motor structure, which comprises a casing, a rotor, a stator and an end cover, the casing is internally provided with the rotor and the stator which can be matched with each other, one end of the casing is provided with the end cover, an end plate water cavity is arranged in an end plate of the casing, and cooling pipes are uniformly distributed on the circumference of the end plate. One end of the cooling pipe is communicated with the end plate water cavity; the end cover is provided with an end cover water cavity, the side wall of the end cover water cavity is provided with a connecting hole which can be matched with the cooling pipe, and one end of the cooling pipe can penetrate through the stator and is inserted into the connecting hole; according to the utility model, a circulating cooling water channel is formed on the end cover and the casing by using the cooling pipe, so that the cooling effect of the motor is greatly improved, and the internal