Cable connector with spring-loaded plunger and assembly thereof

A spring loaded electrical connector assembly, comprising:

• a connector sleeve formed with a spring bore portion and a plug connector retaining portion at one end;
• a plunger module disposed in the spring bore portion, the plunger module including a plunger slidably disposed in the spring bore portion, the plunger formed with a protrusion partially penetrating the spring bore portion toward a center of the connector sleeve;
• and
• a receptacle connector with a front end allowing at least one cable aperture, the exterior of the receptacle connector including a nut retaining portion, a receptacle threaded portion and a plunger retaining portion, the receptacle threaded portion mating with a nut and a water proof gasket and the plunger retaining portion positioning the plunger,
• wherein the spring bore portion is a through-hole structure to accommodate the plunger module and the plunger module further includes an elastic member, a lid, a column portion formed on the plunger extending toward an opposite direction of the protrusion and a disc defining a boundary between the protrusion and the column portion, wherein the elastic member is held by the column portion, the disc abuts the spring bore portion at one end while the elastic member at the other end and the lid seals the spring bore portion to retain the plunger module therein.