Security device for the lock on a switchgear-cabinet door, machine housing, etc.

Swivel lever lock for use with a door leaf, said swivel lever lock comprising:

• a security device adapted to be fastened to the door leaf;
• said security device having an actuating lever adapted to be swiveled out, said security device locking the door leaf to a frame when the door leaf is closed onto the frame and said actuating lever is not swiveled out and unlocking the door leaf from the frame when said actuating lever is swiveled out,
• said swivel lever lock also having a first part adapted to be fastened to the actuating lever and a second part adapted to be fastened to the frame,
• one of said first and second parts being adapted to be insertable within another of said first and second parts when the door leaf is closed onto the frame and said actuating lever is not swiveled out, one of said first and second parts supplying an electrical signal indicative of whether said one of said first and second parts is inserted within said another of said first and second parts,
• the swivel lever lock having a cavity, and the second part being arranged at a fixed point with respect to the frame in such a way that, when the door leaf is closed and the actuating lever is swiveled into the cavity, said second part extends through an opening in the cavity up to the region of the actuating lever facing the door leaf.

Swivel lever lock for use with a door leaf, said swivel lever lock comprising:

• a security device adapted to be fastened to the door leaf;
• said security device having an actuating lever adapted to be swiveled out, said security device locking the door leaf to a frame when the door leaf is closed onto the frame and said actuating lever is not swiveled out and unlocking the door leaf from the frame when said actuating lever is swiveled out,
• said swivel lever lock also having a first part adapted to be fastened to the actuating lever and a second part adapted to be fastened to the frame,
• one of said first and second parts being adapted to be insertable within another of said first and second parts when the door leaf is closed onto the frame and said actuating lever is not swiveled out, one of said first and second parts supplying an electrical signal indicative of whether said one of said first and second parts is inserted within said another of said first and second parts,
• the second part being arranged on an outward-facing surface of a frame bevel of said frame and being adapted to extend through a hole arranged in the door leaf when the door is closed.

Swivel lever lock for use with a door leaf, said swivel lever lock comprising:

• a security device adapted to be fastened to the door leaf;
• said security device having an actuating lever adapted to be swiveled out, said security device locking the door leaf to a frame when the door leaf is closed onto the frame and said actuating lever is not swiveled out and unlocking the door leaf from the frame when said actuating lever is swiveled out,
• said swivel lever lock also having a first part adapted to be fastened to the actuating lever and a second part adapted to be fastened to the frame,
• one of said first and second parts being adapted to be insertable within another of said first and second parts when the door leaf is closed onto the frame and said actuating lever is not swiveled out, one of said first and second parts supplying an electrical signal indicative of whether said one of said first and second parts is inserted within said another of said first and second parts,
• the second part being arranged on a surface of a frame bevel of the frame facing an interior of a housing and being adapted to extend through a hole formed in the door leaf when the door is closed.

Swivel lever lock for use with a door leaf, said swivel lever lock comprising:

• a security device adapted to be fastened to the door leaf;
• said security device having an actuating lever adapted to be swiveled out, said security device locking the door leaf to a frame when the door leaf is closed onto the frame and said actuating lever is not swiveled out and unlocking the door leaf from the frame when said actuating lever is swiveled out,
• said swivel lever lock also having a first part adapted to be fastened to the actuating lever and a second part adapted to be fastened to the frame,
• one of said first and second parts being adapted to be insertable within another of said first and second parts when the door leaf is closed onto the frame and said actuating lever is not swiveled out, one of said first and second parts supplying an electrical signal indicative of whether said one of said first and second parts is inserted within said another of said first and second parts,
• a lock bar adapted to lock the door leaf to the frame when the door leaf is closed onto the frame and said actuating lever is not swiveled out,
• a lock casing through which said lock bar extends, and
• a blocking pin movably coupled to said frame which is adapted to move through the lock casing and through the lock bar thereby preventing the lock bar from disengaging from the frame, said blocking pin being adapted to be controlled by an electrical signal representing a predetermined activity or passage of time.