Receptacle connector

A receptacle connector adapted to mate with a plug connector having at least one latch, the receptacle connector comprising:

• a connector body defining at least one perforation therethrough, the perforation having a first port from which the latch of the plug connector is received in the perforation, and a second port communicating with the first port;
• a plurality of terminals received in the connector body;
• and
• at least one dust-proof cover mounted on a rear portion of the connector body to seal the second port of the perforation to prevent dust outside the perforation from entering along the perforation;
• wherein the rear portion of the connector body defines a fixing section and the dust-proof cover defines a locking portion for buckling with the fixing section to fix the dust-proof cover on the connector body, the fixing section including a groove defined in the rear portion of the connector body and adjacent to one side of the perforation, the groove extending upward and downward to form a pair of fixing holes;
• wherein the dust-proof cover has a base body, the locking portion includes a fixing block protruding forward from the base body, a top and a bottom of the fixing block respectively extend forward to form a pair of fixing arms, one side of each of the fixing arms protrudes oppositely towards the fixing hole to form a pair of hooks, the fixing block and the fixing arms are inserted in the groove and the hooks buckle into the respective fixing holes.