Connector with positioning pin

The utility model discloses a connector with a positioning pin. The device comprises an upper shell and a lower shell, a first pin hole and a second pin hole are respectively formed in the upper shelland the lower shell; the first pin hole and the second pin hole are jointly matched with a positioning pin; the positioning pin comprises a matching section and a marking section, the bottom surfaceof the matching section is butted with the bottom surface of the marking section, the matching section is matched with the second pin hole of the lower shell, the upper shell is provided with a plurality of first pin holes, and the marking section is correspondingly matched with the first pin holes in different upper shells by changing the angular position of the marking section, so that the uppershell is butted with the lower shell; the positioning pin is used as a marker, and the orientation of the marking section is changed by changing the angular position of the marking section, so that the lower shells of differen