JPH0196970U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a front view of an explosion-proof locking device according to an embodiment of the present invention in a locked state, and FIG. 2 is a front view of the A of FIG.
3 is a sectional view taken along line B--B in FIG. 2, FIG. 4 is a sectional view taken along line C--C in FIG. 2, and FIG. 6 is a rear view of the key handle used in the lock device, FIG. 7 is a longitudinal sectional view when the key handle is inserted, and FIG. 8 is a cross-sectional view of the key handle used in the locking device. It is a sectional view taken along the line E-E. FIG. 9 is a front view of an explosion-proof lock device according to another embodiment of the present invention in a locked state, FIG. 10 is a sectional view taken along line FF in FIG. 9, and FIG.
12 is a sectional view taken along line HH in FIG. 10, FIG. 13 is a sectional view taken along line I-I in FIG. It is a back view of the key handle used for an explosion-proof type lock device, and is a 15th
The figure is a longitudinal sectional view when the key handle is inserted, FIG. 16 is a sectional view taken along the line J--J in FIG.
FIG. 7 is an exploded perspective view of the receiver and lock plate used in the locking device. 1...Door, 2...Lock body, 3...Step surface, 4...Large diameter shaft hole, 5...Small diameter shaft hole, 7...Passive part, 8...Disc-shaped collar part, 9...Lock disc, 10...Through hole, DESCRIPTION OF SYMBOLS 11...Locking protrusion, 12... Receiving tube, 12a... Front end wall, 13... Receiving groove, 1
4...Key handle, 15...Receiving hole, 16...Reduced diameter part,
17... Biasing spring, 18... Circumferential groove, 19... Retaining member, 20... Rear end surface of lock body, 21... Latch, 2
2... Fixing nut, 23... Center hole, 24... Receiving hole,
26... Receiver, 27... Cabinet body, 28... Boss portion, 29... Rotation stopper hole, 30... Mounting hole, 3
1...Mounting nut, 32...Washer tube, 33, 34...
Washer plate, 35...Annular groove, 36...O-ring, 37
...Notch, 38...Fixing screw, 39...Side hole, 4
0...Seal plate.

Claims (1)

[Scope of utility model registration request] A large diameter shaft hole 4 opened on the front side of the lock body 2 and a small diameter shaft hole 5 opened on the back side of the lock body 2 are provided in the lock body 2, and a lock shaft rod 6 is inserted into the small diameter shaft hole 5 to form a lock shaft. A passive part 7 with a non-circular cross section at the front end of the rod projects into the large diameter shaft hole 4, and a disc-shaped flange part 8 protruding from the circumferential surface of the base of the driven part 7 is inserted between the large diameter shaft hole 4 and the small diameter shaft hole 5. A retaining member 19 that is brought into contact with the stepped surface 3 and fitted into the circumferential groove 18 in the middle part of the lock shaft 6 and the rear end surface 20 of the lock body 2
A lock disc 9 having a locking protrusion 11 protruding from its outer peripheral surface is slidably fitted into the passive part 7 through a non-circular through hole 10 in the center, and the locking protrusion 11 A receiving tube 12 provided with a fitting receiving groove 13 is fitted into the large diameter shaft hole 4 and fixed to the lock body 2, and the lock disc 9 is fixed to the lock body 2.
is slidably biased toward the front end wall 12a of the receiving tube 12 by a spring 17 housed between the stepped surface 3 and the stepped surface 3;
A receiving hole 15 with a non-circular cross section that fits into the passive part 7 is provided at the tip of the key handle 14 inserted into the large diameter shaft hole 4 from the center hole 23 of the front end wall 12a. A reduced diameter portion 16 rotatable within the through hole 10 of the lock disc 9 is provided at the locking shaft portion between the portion 8 and the locking shaft portion 8.
An explosion-proof locking device comprising a latch 21 fixed to the rear end of a locking shaft 6.