Water cooling structure of magnetic suspension motor casing

The utility model discloses a magnetic suspension motor casing water cooling structure, which comprises an inner casing and an end cover, a first cooling flow channel is arranged on the inner casing, a second cooling flow channel is arranged on the end cover, and the tail end of the first cooling flow channel is communicated with the inlet end of the second cooling flow channel. A water outlet flow channel communicated with the tail end of the second cooling flow channel is arranged on the inner machine shell in the direction parallel to the axis, a water inlet and a water outlet matched with the first cooling flow channel and the water outlet flow channel are formed in the end face of the inner machine shell, and the water inlet and the water outlet are located in the same end face of the inner machine shell. According to the utility model, the second cooling flow channel is arranged on the end cover and is communicated with the first cooling flow channel on the inner casing, so that the casing and the end c