It is semi -automatic from spring lock body

The utility model discloses an it is semi -automatic from spring lock body, including connecting panel, procapsid, back casing, to one side the tongue, trigger collude, lock collude, rotation axis, swing locating plate, main tongue and tongue plectrum to one side, the procapsid lock is in through the screw connection on the back casing, one side of procapsid and back casing with connecting panel passes through threaded connection, be equipped with the cardboard on the back casing, the middle part block of oblique tongue is on the cardboard, and connecting panel is given prominence to to the front end of tongue to one side, and the rear end of tongue is equipped with and triggers the card sign indicating number to one side, overlaps on the oblique tongue to be equipped with compression spring, and compression spring's one end and cardboard contact, and compression spring's the other end contacts with the front end of oblique tongue, makes oblique tongue can be cross elasticity recurrentmotion under compression