The invention relates to an arrangement (1) for an automatic flush blot (2) for pivotally mounted closing elements (3) which comprises a bolt (4) accommodated at the top and/or at the bottom in the aforementioned closing element (3) that is capable of automatic actuation by a pivotally mounted falling plunger (5) causing it to move vertically (6) into a position in which the closing element (3) is caused to close. The falling plunger (5) exhibits a bow-shaped curved actuating edge (8), and the aforementioned pivoting falling plunger (5) is also attached via a pivot arm (10) to the bolt (4) or to a motion transfer mechanism (9) capable of actuating it.