Built-in oil pump

The utility model provides a built-in oil pump, including the pump body and oil absorption portion, the pump body and oil absorption portion pass through screw fixed connection, and oil absorption portion sets up in the inside of oil tank, and pump body part embeds the inside at the oil tank, the pump body includes protecgulum and casing, and casing and protecgulum enclose into a pump chamber, be provided with stator, rotor and pivot in the pump chamber respectively, the through-hole has been offered to the protecgulum, and the tip of pivot stretches out the through-hole, forms the pivot and stretches out the end, and the pivot is provided with the pump component outside stretching out the end, and the pump component sets up in the inside of a visor, and the visor has been offered into the hydraulic fluid port, still offered the oil-out on the protecgulum, the oil-out is connected with the pipeline that produces oil, the outside of pipeline setting at the oil tank of producing oil the utility model discloses cover the oil-out setting in the front, the pipeline that produces oil that the oil-out is connected then can set up in the outside of oil tank, and does not establish the oil circuit export at the tail end of pump chamber, consequently can solve the problem that oil tank exterior space is not enough well