Threaded self-locking connector capable of effectively preventing looseness

The invention discloses a threaded self-locking connector capable of effectively preventing looseness, which comprises a connector seat, the front surface of the connector seat is fixedly provided with a connecting ring, the front surface of the connector seat is provided with a plurality of annularly arranged threaded grooves, and the interiors of the plurality of threaded grooves are in threaded connection with elastic assemblies; the front faces of the elastic assemblies are in threaded connection with a comprehensive ring body, a plurality of limiting blocks which are annularly and evenly arranged are fixedly installed on the front face of the comprehensive ring body, a threaded inner connecting cylinder is fixedly installed on the front face of the connecting ring, and the outer surface of the threaded inner connecting cylinder is in threaded connection with an outer sleeve in a sleeving mode. According to the connecting joint, limiting blocks are clamped between every two adjacent butt joint blocks to b