DOUBLE-LOCK, DOUBLE-PIN ANTI-THEFT DEVICE OF SECURITY DOOR

The utility model relates to a double-lock, double-pin anti-theft device for a security door. In the utility model, a connecting plate for a handle is arranged on the center of the safety door; the outside at one end of the connecting plate is provided with a drawer lock, and the other end is provided with a cylindrical pin through which the connecting plate is movably hinged with a draw rod and movably connected with a sliding block for driving the upper and lower double pins of the door to telescope, and the purpose of the double-lock, double-pin anti-theft device for a security door is achieved. An upper and a lower feeble dangerous triangular areas which are formed from the position of a rotary hinge of the ordinary safety door to a lock hole on the ordinary safety door which is controlled by a steel lock are eliminated, and the purpose that a theft is difficult to spy the safety door is achieved.