JPS635564Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The present invention is a movable shelf in which the movable shelf runs on a floor rail, and is used to prevent the movable shelf from overturning and to regulate the movement position. It concerns safety equipment.

[Conventional technology]

A movable shelf such as a bookshelf is generally formed into a rectangular shape in plan view with a smaller depth from front to back than width from side to side, and can be moved horizontally along its length or vertically along its depth. It is well known that the system is configured to do this. Since the height of this movable shelf is large relative to the base area and the center of gravity is high, so-called vertical movable shelves in which the movable shelf is moved along its depth direction tend to fall over along the direction of movement. In addition, in the case of a horizontally movable shelf that is moved in the left-right direction, there is a problem in that the shelf tends to fall sideways in a direction perpendicular to the direction of movement.

Regarding this point, the prior art
Publication No. 48808 describes a vertical movable shelf in which a rail is laid in a groove formed in the floor so that the movable shelf moves in the depth direction on the rail, and a horizontal flange is provided at the top of the groove. On the other hand, locking pieces extending along the lower surface of the horizontal flange are protruded from both front and rear ends of the lower surface of the movable shelf along the moving direction, so that the movable shelf does not tilt forward or backward. A device is disclosed in which a locking piece comes into contact with the lower surface of a horizontal flange to prevent a movable shelf from falling.

On the other hand, in any type of movable shelf, it is necessary to provide a movement position regulating means so that the movable shelf body stops at the end of the floor rail.
As disclosed in Publication No. 54-111967, a stopper is provided upwardly protruding near the end of the floor rail,
The stopper is brought into contact with the lower side surface of the movable shelf, but with this conventional method, the stopper is exposed to the outside, resulting in poor appearance.
The problem was that things and people could easily get caught or hit.

The present invention aims to prevent the movable shelf from overturning, and
It is an object of the present invention to enable a movable shelf to be stopped without causing problems such as deterioration of the appearance, and to be able to do so without complicating the structure.

[Means for solving problems]

In order to achieve this object, the present invention forms a groove with an upward opening extending along the direction of movement of the movable shelf in a hollow base deck made by covering a base body installed on the floor with a deck cover. In a movable shelf in which a floor rail is installed for wheels pivotally supported on the lower surface of the movable shelf body, a downward engaging member extending along the side edge of the floor rail is provided on the side edge of the deck cover extending along the groove. The locking piece is bent so as to form an appropriately spaced gap between the locking piece and the side surface of the floor rail, while the locking piece is bent on the lower surface of both the front and rear ends along the moving direction of the movable shelf. An engaging piece that is inserted into the gap between the floor rail and the locking piece is provided to protrude downward, and an engaging portion extending downwardly of the locking piece is folded at the lower end of the engaging piece. The base deck is bent, and a stopper is provided near the end of the floor rail in the hollow part of the base deck, with which the lower end of the engaging piece of the movable shelf abuts.

[Functions and effects of the idea]

In this configuration, when the movable shelf runs on the floor rail and tilts in the moving direction or in a direction perpendicular to the moving direction, the engaging portion of the engaging piece protruding from the lower surface of the movable shelf moves to the side of the deck cover. The movable shelf body is prevented from tilting further by coming into contact with the locking piece formed on the edge. In other words, the movable shelf is prevented from falling over.

When the movable shelf travels to the end of the floor rail, the engaging piece protruding downward from the movable shelf comes into contact with the stopper provided in the hollow part of the deck cover, and the movement position of the movable shelf is restricted. Therefore, the stopper can be provided in the hollow part of the base deck without increasing the number of parts.

In other words, when a stopper is provided upwardly protruding near the end of the floor rail as in the above-mentioned Japanese Patent Application Laid-Open No. 54-111967, the side surface of the movable shelf is brought into contact with the stopper, so it can be used as a movement position regulating means. There is no need to provide special members for the movable shelf, but if the stopper is installed in the hollow part of the base deck, the movable shelf is located above the deck cover, so it is not necessary to stop the movable shelf. In order to do this, a locking member must be provided to protrude downward from the bottom surface of the movable shelf and be brought into contact with the stopper, which increases the number of parts.
In the present invention, since the engaging piece of the overturn prevention means is brought into contact with the stopper, in other words, the overturn prevention means and the traveling position regulating means share a member, so that the number of parts can be reduced without increasing the number of parts. The traveling position can be controlled with the stopper stored inside the base deck.

Therefore, according to the present invention, it is possible to prevent the movable shelf from overturning, and to restrict the movement position of the movable shelf while preventing deterioration of the appearance or problems such as people or objects getting caught in the stoppers. This has the advantage that it can be performed without complicating the structure.

〔Example〕

Next, an embodiment of the present invention will be described based on the drawings (Figs. 1 to 4). In the drawings, reference numeral 1 indicates a movable shelf formed in a horizontally long rectangular shape in plan view with a frontage dimension of C and a depth dimension of D. A so-called vertically moving shelf is shown in which a body 2 is moved along its depth direction.

A pair of front and rear wheels 10 are pivotally supported on the bottom surface of the movable shelf 2 at both left and right ends thereof, and these wheels 10 are supported by a floor rail 9 provided in a groove of the base deck 8. A pair of upper and lower rollers 5 are pivotally supported on the upper surface of the body 2 at both left and right ends thereof, and these pairs of rollers 5 support the ceiling surface 3.
The horizontal flange of the ceiling rail 4, which has a horizontal H-shaped cross section and is fixed to the rail 4, is held between the rails. A chain 11 is wound around the wheels 10 and the rollers 5, and the movable shelf 2 is moved by driving the chain 11 with a manual handle or a motor.

The base deck 8 includes an upwardly U-shaped base body 13 fixed to the floor surface 6 via a spacer 12.
and a deck cover 14 fixed to the base body 13 with screws 15 etc., and the deck cover 14 is formed hollow on the upper surface of the base deck 8.
A groove extending along the moving direction of the movable shelf 2 is cut out on the upper surface of the movable shelf 2, and a floor rail 9 having an L-shaped cross section is fixed to the bottom surface of the base body 13, which forms the bottom surface of the groove. . On the other hand, a downward locking piece 16 extending along the floor rail 9 is attached to one side edge of the deck cover 14 constituting the side edge of the groove.
It is bent so that a gap of an appropriate distance h is formed between the rail 9 and the floor rail 9.

A downward U-shaped frame member 17 fixed to the bottom of the movable shelf 2 rotatably supports a support shaft 18 of the wheel 10, and a sprocket 19 fixed to one end of the support shaft 18 supports the support shaft 18 of the wheel 10. Chain 11 is wrapped around it.

Further, reinforcing brackets 22 having a U-shaped cross section are welded to the front and rear ends of the frame member 17 of the movable shelf 2 along the moving direction, and the reinforcing brackets 22 are The upper end of an engaging piece 20 having a longitudinal width D that fits into the gap between the floor rail 9 and the locking piece 16 is fixed, and the locking piece 16 is attached to the lower end of the engaging piece 20. Locking part 21 extending downward
is bent horizontally, and furthermore, a lip 23 is bent upward at the tip of the locking part 21.

Further, an end plate 24 is fixed to the base body 13 near the end of the floor rail 9 so that the end surface 26 of the engaging portion 21 of the movable shelf body 2 comes into contact with the side surface of the end plate 25. A stopper 25 made of rubber or the like is fixed.

In the above configuration, the movable shelf 2 has a floor rail 9
The top can be moved freely in either direction of arrows A and B, but if the movable shelf 2 is tilted forward in the moving direction, the engaging portion 21 of the engaging piece 20 provided at the rear end of the movable shelf 2 will move. The engaging piece 16 contacts the locking piece 16 to prevent the movable shelf 2 from tilting forward any further, and when the movable shelf 2 reaches the end of the base deck 8, the engaging piece located at the front end in the moving direction 20 comes into contact with the stopper 25 to restrict the movement position of the movable shelf 2.

In this case, the stopper 25 is the deck cover 14.
Since it is hidden inside, it does not deteriorate the appearance or cause things or people to get caught, and moreover, the engaging piece 20 to prevent falling comes into contact with the stopper 25 to regulate the running position. In other words, since the overturn prevention means and the traveling position regulating means share the same members, the structure can be prevented from becoming complicated.

The above embodiments were applied to so-called vertically pulling type movable shelves, but the present invention, as shown in FIGS. A movable shelf 2' is placed in front of the shelf 27 via the floor rail 9 and the upper rail 28.
Needless to say, the present invention can also be applied to a so-called horizontal pull-type movable shelf that is provided with a horizontally movable shelf.

When supported by one floor rail 9 in this way, as shown in FIG. It is preferable that the engaging piece 20 is provided to protrude downward so that the movable shelf 2' cannot be tilted in any direction. Note that the stoppers 25 are brought into contact with each of the engaging pieces 21, respectively.

FIG. 8 shows a vertically or horizontally pulled type movable shelf in which movable shelf bodies 2, 2' are supported by two or more rows of floor rails 9, in which a locking piece 16 and an engaging piece 20
are provided at nine locations on each floor rail to prevent the movable shelves 2, 2' from falling sideways in any direction, and by simultaneously bringing both engaging pieces 20 into contact with the stoppers 25, the movable shelves 2, 2' This prevents the bodies 2, 2' from twisting due to the impact of stopping. In this case, the locking piece 16 and the engaging piece 20 may be provided on the outside of the floor rail 9, or may be provided on both sides of each floor rail 9 as shown in FIG. .

Furthermore, in the present invention, the engaging piece 21 is brought into contact with the lower surface of the locking piece 16 to prevent the movable shelves 2, 2' from falling over.
As shown in the figure, the engagement piece 20 may have an L-shape in which only the engagement portion 21 is formed.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, in which FIG. 1 is a rear view of the vertically movable shelf, FIG. 2 is a side view of FIG. 1, FIG. 3 is a cross-sectional view of FIG. The figure is a cross-sectional view of FIG. 3, FIG. 5 is a plan view of the horizontal pulling movable shelf, FIG. 6 is a side view thereof, FIG. 7 is an enlarged sectional view of FIG. The figure is a partially cutaway sectional view showing another embodiment, and FIG. 9 is a sectional view showing still another embodiment. 1...Moving shelf, 2, 2'...Moving shelf body, 8...
Base deck, 9...floor rail, 10...wheels,
13...Frame body, 14...Deck cover, 16...
Locking piece, 20... Engagement piece, 21... Locking portion, 24
...End plate, 25...Stopper.

Claims (1)

[Scope of utility model registration request] A hollow base deck formed by covering a base body installed on the floor with a deck cover is formed with an upward opening groove extending along the moving direction of the movable shelf body,
In a movable shelf in which a floor rail for wheels pivotally supported on the lower surface of the movable shelf is laid on the bottom surface of the groove, a deck cover extending along the side edge of the deck cover extending along the groove is provided with a floor rail extending along the side surface of the floor rail. The downward locking piece is bent so as to form an appropriately spaced gap between the locking piece and the side surface of the floor rail. An engaging piece that fits into the gap between the floor rail and the locking piece is provided on the lower surface and projects downward, and the lower end of the engaging piece is provided with an engaging portion that extends downward from the locking piece. and a stopper is provided in the hollow portion of the base deck near the end of the floor rail, with which the lower end of the engagement piece of the movable shelf comes into contact. safety equipment.