An outgoing line adapter module for a pump comprising a pump body, a pump housing and a control box which are arranged in an axial direction, wherein a control module is arranged in the control box, the outgoing line adapter module comprising: a first connecting part and a second connecting part, wherein the first connecting part and the second connecting part are connected to each other and wherein the second connecting part is provided with an integrally-formed adapter member; wherein the first connecting part is configured to be detachably installed on an edge of an end part of the housing of the pump, said end part being the end part axially away from the pump body; wherein, when the outgoing line adapter module is installed on the edge of the end part of the pump housing, the second connecting part extends outward from the pump housing in a radial direction, an end of the adapter member axially faces a part of the pump body and is configured for axially plugging and unplugging a wiring plug for electrically connecting the pump, and an axially opposite end of the adapter member faces away from the pump body and is configured to connect an electrical contact point on the control module of the pump, as a result, an axially extending empty space for accommodating the wiring plug is formed between the second connecting part and said part of the pump body; characterized in that the first connecting part and the second connecting part are connected to each other in such a way that, when the outgoing line adapter module is installed on the edge of the end part of the pump housing, the second connecting part is located axially further away from said part of the pump body than the first connecting part, as a result, the empty space is increased making it convenient for plugging and unplugging the wiring plug. a first connecting part and a second connecting part, wherein the first connecting part and the second connecting part are connected to each other and wherein the second connecting part is provided with an integrally-formed adapter member; wherein the first connecting part is configured to be detachably installed on an edge of an end part of the housing of the pump, said end part being the end part axially away from the pump body; wherein, when the outgoing line adapter module is installed on the edge of the end part of the pump housing, the second connecting part extends outward from the pump housing in a radial direction, an end of the adapter member axially faces a part of the pump body and is configured for axially plugging and unplugging a wiring plug for electrically connecting the pump, and an axially opposite end of the adapter member faces away from the pump body and is configured to connect an electrical contact point on the control module of the pump, as a result, an axially extending empty space for accommodating the wiring plug is formed between the second connecting part and said part of the pump body; characterized in that the first connecting part and the second connecting part are connected to each other in such a way that, when the outgoing line adapter module is installed on the edge of the end part of the pump housing, the second connecting part is located axially further away from said part of the pump body than the first connecting part, as a result, the empty space is increased making it convenient for plugging and unplugging the wiring plug.