Plug connector and connector assembly having the same

A connector assembly, comprising:

• a socket connector, comprising an insulating seat and at least one conductive terminal provided in the insulating seat, wherein the insulating seat comprises a rear wall and a top wall formed by protruding forward from the rear wall, the rear wall and the top wall form a mating space, a recess is backward concavely provided on a front end of the top wall, the insulating seat is provided with two clip portions at a left side and a right side of the recess, and the conductive terminal has a contact portion exposed to the mating space;
• and
• a plug connector, inserted backward into the mating space of the socket connector, wherein the plug connector comprises an insulating body and at least one mating terminal provided in the insulating body, the insulating body is provided with a main body portion and a locking arm formed by extending from a top surface of the main body portion, the locking arm is accommodated in the recess, two locking portions are formed by respectively protruding from a left side and a right side of a front end of the locking arm, the two locking portions are located in front of a connecting location of the locking arm and the main body portion, the two locking portions are respectively located behind the two clip portions correspondingly such that the locking portions and the clip portions are correspondingly locked to each other, a pressing portion is formed by protruding upward from the front end of the locking arm, the pressing portion is located between the two locking portions and aligned to the two locking portions in a left-right direction, and the mating terminal is provided with a mating portion to be conductively connected to the contact portion.