JPS589956Y2 - Cabinet multi-drawer locking device - Google Patents

Description

[Detailed description of the invention] This invention enables the multi-level drawers of a cabinet for classifying and storing various tools, small parts, metal fittings, etc. to be locked or unlocked at the same time by operating a single lock. This relates to a locking device in which it is possible to arbitrarily select whether or not to lock the bottom drawer.

To describe the present invention in detail based on the embodiment shown in the drawings, openings 2 are provided in a rectangular parallelepiped cabinet body 1 made of a thin iron plate, and openings 2 are provided on the left and right sides of three or more drawers 40° 41.42. A rail (
(not shown), and the uppermost drawer 40
The retractable lock piece 6 is attached to the bottom plate 40 of the drawer 40 using a known lock 7.
b and the through hole 9 provided in the partition frame 8 fixed to the main body 1, and into the hanging hole 10 provided in the front edge 41a' of the front plate 41a of the second drawer 41 whose upper end is bent inward. Provided so that it can be connected and disconnected.

In addition, the front plate 41 of the drawers 41 of the second and lower tiers excluding the bottom drawer
A cylindrical pipe 1 is vertically supported by an L-shaped support plate 11 on the inner surface of a.
2, the lock rod 13 wrapped with the rebound device 14 is inserted between the own head 13' and the drawer bottom plate 41b through the respective own drawer bottom plate 41b and into the hook hole provided in the lower drawer. The drawers are arranged coaxially in series in the closed position of each drawer so that the drawers can be engaged and disengaged.

Also, on the inner surface of the front plate 42a of the bottom drawer 42, both ends are 1
An L-shaped engagement plate 1 to which a holder 15 curved in the shape of a letter is fixed, and a hanging hole 16 for engaging and disengaging the locking lever of the upper drawer.
7 is removably held and admonished.

Note that the hanging hole 10 provided in the second drawer may be provided not only at the bent edge of the upper end of the front plate of the drawer, but also by fixing a separate protruding plate to the inner surface of the front plate. The device may be installed not only in one location, but also in two or more locations depending on its size.

In addition, a pull handle 18 may be provided at a suitable position on the front surface of each drawer, a grip ring 19 may be provided at a suitable position on the side surface of the main body, and casters (not shown) may be provided on the bottom surface of the main body if necessary.

Therefore, after closing all the drawers in the present article, if the lock 7 provided in the uppermost drawer 40 is operated with the key 5 in the direction of protruding the retractable lock piece 6, the lock piece 6 will be inserted into the bottom plate of the sleeve piece 40. 40 b
A second drawer 41 is inserted through the through hole 9 provided in the partition plate 8.
After penetrating and engaging the locking hole 10 provided in the drawer 41, the locking rod 13 of the second drawer is pushed down against the elasticity of the rebound device 14, and then the tip of the locking rod 13 is inserted into the drawer 41. Bottom plate 41
b, and penetrates into the hook hole 16 of the engagement plate 17 held by the front plate 42a of the lowermost drawer 42 via the holder 15, reaching the engaged state.

When this state is reached, each drawer is engaged with the lock or the lock piece of the upper drawer, and all the drawers are chained to the cabinet body 1 via the partition plate 8, and all the drawers are It is kept locked.

If the key 5 is operated in the direction of retracting the retractable lock piece 6 of the lock 7 in the opposite direction to the above, the retractable lock piece 6 will engage with the hanging hole 10 provided in the drawer 41 and the through hole 9 provided in the partition plate 8. As the state is released, the pressing force of the lock piece 6 against the lock rod 13 is removed, and the lock rod 13 is pushed upward by the elasticity of the repulsion device 14 and hits the hook hole 16 of the engagement plate 17 held by the drawer 42. When the engagement is released, all the drawers are unlocked and can be freely accessed.

The present invention has the above-mentioned structure, and all the drawers consisting of three or more steps, which are retractably held in the main body, can be locked and unlocked at the same time by operating a lock provided on the top drawer. This is convenient because it saves the trouble and expense of providing separate locking devices for all the drawers, and also simplifies the operation.

In addition, the bottom drawer has a removable engaging plate that the lock should engage with, and by removing it, it can be released from the interlocking of the locking device, so it can be locked or removed as the user needs. You can freely choose whether to lock the lock or not.

Therefore, the present invention is designed to handle various types of tools that can be stored in various ways depending on the user's changes, and the conditions of use can also change.
It is suitable as a locking device for cabinets such as metal fittings and parts.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention with the drawer in a locked state. FIG. 2 is an enlarged longitudinal sectional view showing the main parts in a locked state. FIG. 3 is an enlarged longitudinal sectional view showing the main parts in an unlocked state. FIG. 4 is an exploded perspective view showing the main parts three-dimensionally. FIG. 5 is a perspective view showing the embodiment of the present invention with the drawer in an open state. 1... Main body, 2... Opening, 3...
...Runner, 40,41゜42...Drawer,
40a, 41a, 42a...Front plate, 41a/
...Front edge, 40 b, 41 b...
Bottom plate, 5...Key, 6...Intruding lock piece, 7
...Lock, 8...Partition plate, 9...
...Through hole, 10...Hanging hole, 11...L
Shape support plate, 12...Cylinder tube, 13...Lock rod, 14...Repulsion machine, 15...Holder 16... Hang hole, 17... L-shaped engagement plate, 18... Pull, 19... Grip ring.

Claims (1)

[Scope of utility model registration request] In a cabinet with three or more drawers, a lock is attached to the top drawer, and the retractable lock piece passes through a hole in the bottom plate of the self-drawer and a partition frame fixed to the main body, and the lock is attached to the second drawer. A lock rod is installed in the lower drawer so as to be connected to and detached from the hole, and a lock lever equipped with a repulsion device is installed in the bottom drawer at a position corresponding to the retractable lock piece on the inner surface of the front plate of each drawer except for the bottom drawer. The drawers are arranged in series on the same axis at the closed position of each drawer so that they can be engaged and detached by penetrating the locking hole, and the inner surface of the front plate of the lowest drawer has a hanging hole through which the locking lever of the upper drawer engages and disengages. The engagement plate is detachably held via a holder, and all the drawers can be locked and unlocked by operating the lock on the top drawer, and locking/unlocking of the bottom drawer can be selectively changed. A multi-drawer locking device for cabinets.