Patent ID: 8272886

Claim:
A connector including a first connector and a second connector both of which have a sleeve shape and are coupled to connection ends of cables to be connected to each other, a connection end of either one of the first connector and the second connector being inserted into the connection end of the other one thereof so that the cables are connected to each other, wherein the first connector is provided with at least one guide groove extending in an insertion direction on a portion in a circumferential direction, and the second connector is provided with at least one guide protrusion that extends in the insertion direction and can be inserted into the guide groove corresponding to the guide groove, the guide protrusion has both ends coupled to an outer surface of the second connector, and a middle portion thereof is formed to be an elastic arm separated from the outer surface, a lock mechanism is provided between the guide groove and the guide protrusion, the lock mechanism includes a lock hole formed from the guide groove and a lock claw that is formed on the guide protrusion and can engage with the lock hole, and the lock claw is provided on each of both sides of the guide protrusion and the lock claw and the lock hole engage with each other on both sides of the guide protrusion.