Threaded rod connector with rotationally locked collar

A threaded rod connector comprising:

• a housing having a cavity for receiving a threaded rod therein, the cavity having a mouth for inserting the threaded rod into the cavity;
• and
• an insert including a plurality of rod engagement segments arranged within the cavity, each of the rod engagement segments has a mating thread structure for engaging the thread of the threaded rod,
• the cavity having a tapered zone tapering towards the mouth of the cavity for wedging the rod engagement segments against the threaded rod, the insert further including a plurality of segment carrying arms, each of the segment carrying arms carrying at least one of the rod engagement segments,
• the segment carrying arms forming a cage for accommodating the threaded rod,
• the insert further includes a collar connected to the segment carrying arms, and interconnecting the segment carrying arms,
• the cavity having a collar locking zone, the collar being, at least partly, arranged, in the collar locking zone,
• the housing rotationally locking the collar arranged in the collar locking zone to the housing to prevent spinning of the insert within the cavity;
• the rod engagement segments being unbiased within the housing when the threaded rod is not inserted.