Liquid-cooling plug connector and connecting apparatus having the same

A connecting apparatus comprising:

• a mating connector;
• and
• a liquid-cooling plug connector plugged by the mating connector and comprising:
• a plugged body having a hollow area in the plugged body, the hollow area extending toward a front end of the plugged body to form a socket, the plugged body having at least one operating hole relative to a periphery of the socket;
• an unlocking assembly elastically adapted to sheathe outside the plugged body;
• a backstop assembly arranged in the hollow area and elastically blocked between the socket and the hollow area;
• and
• at least one locking component movably arranged in the operating hole and having a limiting part located outside the operating hole, a fixing part extended from the limiting part downward to move along an axial direction in the operating hole, an operating surface on the fixing part and extending into the socket through the operating hole, and a fixing surface opposite to the operating surface,
• wherein when the mating connector inserts into the socket of the plugged body, the operating surface is pushed to cause the locking component to slide and the fixing surface latches the mating connector;
• the unlocking assembly has a stopping surface in the unlocking assembly;
• the stopping surface is elastically abutted against the limiting part to cause the locking component to move outward along the axial direction in the operating hole.