Waterproof bushing connector assembly, waterproof bushing receptacle connector and waterproof bushing plug connector

A waterproof bushing connector assembly comprising:

• a waterproof bushing receptacle connector comprising a receptacle housing assembly, a receptacle bushing module and an optical receptacle connector;
• and
• a waterproof bushing plug connector engaged detachably with the waterproof bushing receptacle connector and comprising a plug housing assembly, a plug bushing module, an optical plug connector and a rear mounting lid, wherein
• the receptacle housing assembly has a receptacle housing, wherein the receptacle housing has a first cavity defined through the receptacle housing and an engaging portion formed on an rear end of the receptacle housing;
• the receptacle bushing module is mounted detachably in the first cavity of the receptacle housing, wherein the receptacle bushing module has an outer receptacle bushing having an outer assembling hole defined through the outer receptacle bushing and an inner receptacle bushing having an inner assembling hole defined through the inner receptacle bushing and communicating with the outer assembling hole;
• the optical receptacle connector is mounted detachably in the outer assembling hole of the outer receptacle bushing and the inner assembling hole of the inner receptacle bushing;
• the plug housing assembly has a plug housing engaged detachably with the receptacle housing and having a second cavity defined through the plug housing and an engaging ring nut mounted rotatably on the front end of the plug housing, engaged detachably with the engaging portion of the receptacle housing and having a nut through hole defined through the engaging ring nut and mounted around the front end of the plug housing;
• the plug bushing module is mounted detachably in the second cavity of the plug housing and has
• a front plug bushing mounted detachably in the second cavity, wherein the front plug bushing has a front assembling hole defined through the front plug bushing and a connecting slot defined in a rear end of the front plug bushing and communicating with the front assembling hole;
• and
• a rear plug bushing mounted detachably on the front plug bushing, wherein the rear plug bushing has a rear assembling hole defined through the rear plug bushing and communicating with the front assembling hole and a connecting protrusion formed on and protruding forward from a front end of the rear plug bushing and mounted detachably in the connecting slot;
• the optical plug connector is mounted detachably in the front assembling hole and the rear assembling hole of the plug bushing module and is engaged detachably with the optical receptacle connector;
• the rear mounting lid is mounted detachably on the rear end of the plug housing to mount the plug bushing module and the optical plug connector securely in the plug housing and has a mounting hole defined through the rear mounting lid and mounted around the rear end of the plug housing.