Collection device for return oil of oil injection pump

The invention relates to the technical field of locomotive parts, in particular to a collection device for return oil of an oil injection pump. In an existing fuel oil system, the return oil of the oil injection pump is not recycled, so that the driving cost is unnecessarily increased. The collection device for the return oil of the oil injection pump comprises a return oil collection device body. An installation frame is arranged on the return oil collection device body, an oil discharge pipe is arranged on the upper portion of the return oil collection device body, an oil overflow pipe is arranged on the lower portion of the return oil collection device body, an oil inlet pipe is arranged at the top end of the return oil collection device body, and a pull connection cock is arranged on the oil discharge pipe. The improved collection device for the return oil of the oil injection pump is simple in structure, convenient to operate, capable of effectively guaranteeing timely collection and storage of recyclable fuel oil, optimized in overall structure and convenient and fast to assemble and disassemble.