Electrical connection apparatus and plug connector

An electrical connection apparatus, wherein the electrical connection device comprises:

• a socket connector and a plug connector, the socket connector comprising a socket housing, the plug connector comprising a plug housing and a detent, and a front end of the plug housing being plugged into the socket housing;
• an outer wall of the socket housing is provided with a first lock catch;
• the plug housing is provided with a first torsion bar mechanism, the first torsion bar mechanism being provided with a first lock hook, the first lock hook being snapped at a front side of the first lock catch, to prevent the plug housing from moving backward with respect to the socket housing, and the first torsion bar mechanism is capable of driving the first lock hook to separate from the first lock catch under an action of an external force;
• and
• the detent is provided with a first boss, and is connected with the plug housing, the first boss is capable of preventing the first torsion bar mechanism from moving under an action of an external force.