A housing assembly, comprising: a first housing; a second housing; and a connecting module, comprising: a connecting member, comprising: a first connecting portion configured to be coupled to the first housing; a second connecting portion configured to be coupled to the second housing; and a body portion defining a plurality of through holes and a plurality of welding holes therein, the body portion being located between the first connecting portion and the second connecting portion, the first connecting portion and the second connecting portion being close to each other by bending the body portion; a coupling member, coupled between the first housing and the second housing, facing the connecting member, and being configured to support the connecting member; and a positioning member, coupled between the connecting member and the coupling member, and being configured to prevent a movement of the coupling member along a direction perpendicular to a longitudinal direction of the body portion relative to the first connecting member; wherein each of the plurality of through holes is strip-shaped, and a longitudinal direction of each of the plurality of through holes is perpendicular to a longitudinal direction of the body portion; wherein the positioning member comprises a first end coupled to the connecting member and a second end coupled to the coupling member, the first end includes a raised portion raised far away from the second end, and the raised portion of the positioning member is received in the welding hole and welded to the connecting member. a first housing; a second housing; and a connecting module, comprising: a connecting member, comprising: a first connecting portion configured to be coupled to the first housing; a second connecting portion configured to be coupled to the second housing; and a body portion defining a plurality of through holes and a plurality of welding holes therein, the body portion being located between the first connecting portion and the second connecting portion, the first connecting portion and the second connecting portion being close to each other by bending the body portion; a coupling member, coupled between the first housing and the second housing, facing the connecting member, and being configured to support the connecting member; and a positioning member, coupled between the connecting member and the coupling member, and being configured to prevent a movement of the coupling member along a direction perpendicular to a longitudinal direction of the body portion relative to the first connecting member; a connecting member, comprising: a first connecting portion configured to be coupled to the first housing; a second connecting portion configured to be coupled to the second housing; and a body portion defining a plurality of through holes and a plurality of welding holes therein, the body portion being located between the first connecting portion and the second connecting portion, the first connecting portion and the second connecting portion being close to each other by bending the body portion; a first connecting portion configured to be coupled to the first housing; a second connecting portion configured to be coupled to the second housing; and a body portion defining a plurality of through holes and a plurality of welding holes therein, the body portion being located between the first connecting portion and the second connecting portion, the first connecting portion and the second connecting portion being close to each other by bending the body portion; a coupling member, coupled between the first housing and the second housing, facing the connecting member, and being configured to support the connecting member; and a positioning member, coupled between the connecting member and the coupling member, and being configured to prevent a movement of the coupling member along a direction perpendicular to a longitudinal direction of the body portion relative to the first connecting member; wherein each of the plurality of through holes is strip-shaped, and a longitudinal direction of each of the plurality of through holes is perpendicular to a longitudinal direction of the body portion; wherein the positioning member comprises a first end coupled to the connecting member and a second end coupled to the coupling member, the first end includes a raised portion raised far away from the second end, and the raised portion of the positioning member is received in the welding hole and welded to the connecting member.