To provide a door locking device for a switchgear tower capable of carrying out efficient door opening and closing work.
The door locking device for a switchgear tower equipped with a lock plate 11 horizontally fixed to the inside of one door 1 and having a lock hole 11a, a thick rod guide 51 capable of thereby supporting a rod 6 provided to the inside of the other door 2 and two rod guides with the normal thickness, guide holes 51a and 52a of the rod guides 51 and 52 coinciding with the axis of the lock hole 11a when both doors are closed, the rod 6 provided so that it can be vertically moved into the guide holes 51a and 52a and a pin 61 engaged with a slot 4a of a lever 4 fixed to the rod 6 includes a circular groove 63 provided on the circumference of the rod 6 in part of a position for the rod 6 to engage with the guide holes 51a and 52a in a state to slip out of the engagement between the lock hole 11a and the rod 6 and a ring 7 having an elastic body fitted into the circular groove 63 and having an outside diameter larger than diameters of the guide holes 51a and 52a.
YOSHITAKE YOICHIRO
OTA MASAHIRO
Next Patent: DOOR LOCKING DEVICE FOR SWITCHGEAR TOWER