Steel wire thread insert with self-locking function

The steel wire thread insert with the self-locking function comprises an outer thread insert body, a clamping block is installed at the lower end of the outer thread insert body, a movable groove is formed in the middle of the clamping block, two inserting grooves are formed in the side wall of the outer thread insert body, limiting grooves are formed in the inner walls of the two inserting grooves, two clamping grooves are formed in the upper end of the outer thread insert body, and the limiting grooves are matched with the clamping grooves. Two clamping grooves are formed in the lower surface of the clamping block, two baffles are installed on the inner walls of the two clamping grooves, external threads are formed in the outer portion of the outer threaded sleeve, internal threads are formed in the inner wall of the outer threaded sleeve, bolts are installed in the two inserting grooves, limiting blocks are installed on the two sides of the two bolts, and a plurality of clamping blocks are annularly arrang