Cable rapid plug-pull type connecting device

The utility model provides a cable rapid plugging type connecting device, which comprises a plate body, a connecting seat, an accommodating cavity, a jack, a positioning groove, a positioning hole, a guide groove and an elastic arm, and is characterized in that a cable plug is limited and restrained in a cross direction through the positioning groove and the guide groove which are vertically arranged, so that the cable plug is prevented from greatly shaking or deviating; the cable plug can be positioned at the center through the positioning hole, the accommodating groove is formed in the inner wall of the connecting seat, the elastic arm is arranged in the accommodating groove, and the end part of the elastic arm can directly abut against the outer wall of the cable plug accommodated in the connecting seat, so that the cable plug can be restrained and limited close to the middle part; the vertical distance between the end point of the end, away from the containing groove, of the elastic arm and the surface of