Abstract: Lock assembly including a first locking device in two parts intended to be mounted on a door, and a second detachable locking device intended to be treaded from above on the two parts of the first locking device when the door is closed. One of the locking devices shows a projecting portion and the second locking device shows a recess cooresponding to the projecting portion with a cooresponding wedge-shape. The projecting portion shows an outward directed rim along the sides extending to its wedge-shaped tip, and the recess shows an inwards directed rim along the cooresponding sides. A faucet extends in a locked position through the projecting portion across the recess. The projecting portion shows a half-cylindric cavity and the faucet shows a half-cylindric section and is fit into the bottom of the half-cylindric cavity.