Abstract: The present disclosure discloses a padlock, comprising a lock cylinder and a lock housing. The lock cylinder is rotatable between a lock position and an unlock position with rotation of a key. The a lock housing comprises a sleeve shaped to fit with and for receiving the lock cylinder, a first prong extending outward from the sleeve and having a first recessed portion and a second prong extending outward from the sleeve and having a second recessed portion; wherein when the lock cylinder is rotated into the lock position/the unlock position, the through holes are aligned with the first recessed portion/the second recessed portion, the first pins/second pins are movable in the through holes and the first recessed portion/the second recessed portion, allowing the removal of the key from the keyhole.

Abstract: The present invention discloses a padlock, comprising a lock cylinder rotatable between a lock position and an unlock position with rotation of a key. The lock cylinder comprises a keyhole, at least one first through hole extending along a first direction for housing at least one first pin, and at least one second through hole extending along a second direction for housing at least one second pin. When the key is in the keyhole, the teeth of the key are aligned with the at least one first pin and the at least one indentations are aligned with the at least one second pin, allowing the lock cylinder to rotate between the lock position and the unlock position with rotation of the key.