Two-dimensional motor piston pump

The invention discloses a two-dimensional motor piston pump which is formed by combining a motor and a piston pump and comprises a two-dimensional motor and a two-dimensional piston pump, and the two-dimensional motor drives the two-dimensional piston pump to work. The two-dimensional motor can be divided into a stator and an outer rotor, the outer rotor of the motor is coaxial with the stator and arranged on the outer side of the stator, and the outer rotor of the motor serves as a piston and a flow distribution mechanism of the two-dimensional piston pump at the same time and rotates and axially moves in the working process. Partial structures of the two-dimensional motor and the two-dimensional piston pump are shared, so that the structure is more compact; the rotor of the two-dimensional motor does not need to be supported by a bearing, so that the problem that the service life of the motor is influenced by axial force is avoided; the rotation and axial movement of the rotor are converted into magnetic co