DOUBLE-DOOR DOUBLE-LOCK INSIDE SAFETY DOOR BOLT

The utility model relates to a double-door double-lock inside safety door bolt, which is composed of a left organ, a right organ, an inside bolt, a left lock and a right lock, wherein an automatic clamp (8) and a shifting arm (9) are arranged in the left organ (3); a driving gear (14) is arranged in the right organ (4); the inside bolt (5) respectively passes through the left organ (2) and the right organ (4); the left organ (2) and the right organ (4) are respectively connected with the left lock (6) and the right lock (7). When two keys are inserted simultaneously, the locks can be unlocked. The utility model can prevent prying and stealing and is an ideal safety device for confidential enterprises, money systems and research units. Simultaneously, the utility model can be used on double-doors in wide cities and towns.