JP3019903U - Steel box vertical connection structure - Google Patents

Abstract

(57) [Abstract] [Purpose] The upper box can be prevented from being displaced or dropped even when shaken by an earthquake, and can be easily installed on a ready-made steel box that does not have a vertical connection structure. Also, to provide a vertically connecting structure of steel boxes that does not look bad even after construction. [Construction] The vertically connecting structure of steel boxes according to the present invention is constructed by joining the upper and lower boxes 1 and 2 to each other. Bottom 4 of the upper box 1 and lower box 2
Holes 6 and 7 penetrating the top plate 5 of the
The contact plate 8 formed with the above is joined to the inner surface of the bottom 4 so that the holes 6 and 7 are aligned with the screw holes 9, and the screw 10 is inserted through both holes 6 and 7 upward from the inside of the lower box 2. It is also screwed into the screw hole 9.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a vertical connection structure for maintaining a stable installation state of upper boxes when vertically stacking steel boxes such as a library, a storage cabinet, a cabinet, and a shelf.

[0002]

[Prior art]

 Conventionally, when installing ready-made steel boxes vertically, there is no means to connect the upper and lower boxes, so it is often necessary to simply place the upper box on the lower box. If you sway it, the position of the upper box will shift and you risk falling.

Therefore, there has been a method in which a metal plate is arranged so as to straddle the upper and lower boxes from the outside, and a screw is inserted into the metal plate and the upper and lower boxes and screwed together to connect the upper and lower boxes. In order to do this, it is necessary to make many holes in the side, back, front, etc. of the upper and lower boxes, so it is not possible to install easily, and the metal plate and screws are conspicuous and look bad. It was.

[0004]

[Problems to be solved by the device]

 Therefore, this device can prevent the upper box from being displaced or dropped even when shaken by an earthquake, and can be easily installed on a ready-made steel box that does not have a vertical connection structure. , It is an object to provide a vertically connected structure of steel boxes that does not look bad even after construction.

[0005]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the present invention takes the following technical means.

The upper and lower connecting structure of the steel box of the present invention penetrates the bottom 4 of the upper box 1 and the top plate 5 of the lower box 2 which are joined to each other among the boxes 1 and 2 which are vertically stacked. Holes 6 and 7 are formed on the other hand, while the contact plate 8 having screw holes 9 is joined to the inner surface of the bottom 4 so that the holes 6 and 7 and the screw holes 9 are aligned with each other. The screw 10 is inserted upward into both holes 6 and 7 and screwed into the screw hole 9.

A double-sided adhesive tape may be provided on the back surface of the contact plate 8 and the position of the contact plate 8 may be determined by the double-sided adhesive tape.

Further, the bottom 4 of the upper box 1 may be bent in a U-shape that is open upward, and the contact plate 8 may be fitted inside the bottom 4.

[0009]

[Action]

 As a result of adopting the above means, the present invention has the following effects.

The steel box vertical connection structure of the present invention is only required to make holes 6 and 7 in the bottom 4 of the upper box 1 and the top plate 5 of the lower box 2 which are not visible from the outside, and the contact plate 8 or The screw 10 for fixing it is also not visible from the outside.

If a double-sided adhesive tape is provided on the back surface of the contact plate 8 and the position of the contact plate 8 is determined by the double-sided adhesive tape, the contact plate 8 adheres to the inner surface of the bottom 4 of the upper box 1. Now, the screw 10 does not float when it is inserted or screwed, and the position of the screw hole 9 does not shift.

Further, assuming that the bottom 4 of the upper box 1 is bent in a U shape opened upward and the contact plate 8 is fitted inside the bottom, when the screw 10 is screwed together. Also, do not rotate with the screw 10.

[0013]

【Example】

 Hereinafter, the configuration of the present invention will be described with reference to the drawings showing examples.

The upper and lower connection structure of the steel box of the present invention forms a hole that penetrates the bottom of the upper box and the top plate of the lower box that are joined to each other among the boxes that are vertically stacked. On the other hand, a plate with screw holes is joined to the inner surface of the bottom to align the holes with the screw holes, insert screws into both holes upward from the inside of the lower box, and screw into the screw holes. It was made to let.

FIG. 1 is a view showing a steel box to which a steel box upper and lower connecting structure of the present invention is applied. The steel boxes 1 and 2 may be used for appropriate applications such as a library, a storage, a cabinet, and a shelf.

FIG. 2 is a diagram showing the inside of the lower end of the left side of the upper box 1 and the upper end of the left side of the lower box 2. Although not visible from the outside, the upper box 1 has a shape in which the bottoms 4 on the left and right sides provided below the bottom plate 3 are bent into a C-shape and are opened upward as shown in the figure.

Holes 6 and 7 are formed in the bottom 4 of the upper box 1 and the top plate 5 of the lower box 2 at positions that match when the upper and lower boxes 1 and 2 are joined to each other. A contact plate 8 is joined to the inner surface of the bottom 4 of the box 1.

The plate 8 is a rectangular metal plate having substantially the same width as the inner side surface of the bottom 4 of the upper box 1, and a screw hole 9 is formed by increasing the thickness of the center thereof, and the back surface is A double-sided adhesive tape is provided as shown in FIG.

The contact plate 8 is arranged so that its screw holes 9 are aligned with the holes 6 in the bottom 4 of the upper box 1, and the contact plate 8 is positioned by the double-sided adhesive tape. Instead of using the double-sided adhesive tape, apply the adhesive to the back surface of the contact plate 8, or apply the adhesive to the inner surface of the bottom 4 of the upper box 1 and mount the contact plate 8 on it. You may

In order to implement the upper and lower connecting structure of the steel box of the present invention, first, the holes 6 and 7 are formed in the upper and lower boxes 1 and 2, and the contact plate 8 is connected to the inner surface of the bottom 4 of the upper box 1. Then, the upper box 1 is placed on the lower box 2, and the holes 6 and 7 are aligned with each other.

Next, as shown in FIG. 4, a screw 10 is inserted upward from the inside of the lower box 2 into the holes 6 and 7 and screwed into the screw hole 9. The portion of the contact plate 8 having the screw holes 9 has a large thickness so that the screw 10 can be securely screwed. The head 11 of the screw 10 is inside the lower box 2 and is joined to the periphery of the hole 7, and the upper and lower boxes 1 and 2 are fixedly connected by the above-mentioned screwing and joining.

Since the contact plate 8 is adhered to the inner surface of the bottom 4 of the upper box 1, it does not float or the position of the screw hole 9 does not shift even if the screw 10 is screwed without being pressed from above. Further, since the contact plate 8 has almost the same width as the inner side surface of the bottom 4 of the upper box 1, it is in a state of being fitted inside the bottom 4 of the upper box 1 and also when screwing the screw 10. It does not rotate with the screw 10.

As described above, the holes 6 and 7 may be formed in the top plate 5 of the lower box 2 and the bottom 4 of the upper box 1 which cannot be seen from the outside. The screws 10 are not visible from the outside, and the plate 8 and the screws 10 are not visible even after the construction, so the appearance does not deteriorate. Moreover, since the number of places where the holes 6 and 7 are formed is smaller than that in the conventional method, it can be easily installed on a ready-made steel box.

In general, the shape and dimensions of the bottom 4 of the steel box are almost the same for all products of all manufacturers, so the same plate 8 and screw 10 are used for various steel boxes. be able to.

[0025]

[Effects of the Invention] The upper and lower connection structure of the steel box of the present invention has the above-mentioned structure, and the upper box 1 can be prevented from being displaced or dropped even when shaken by an earthquake. Moreover, it can be installed easily and it does not look bad even after installation.

If a double-sided adhesive tape is provided on the back surface of the contact plate 8 and the position of the contact plate 8 is determined by the double-sided adhesive tape, the contact plate 8 adheres to the inner surface of the bottom 4 of the upper box 1. Therefore, when screwing the screw 10, it will not float even if it is not pressed down from the top and the position of the screw hole 9 will not be displaced, and the bottom 4 of the upper box 1 will have a U-shape that opens upward. If the contact plate 8 is bent and is fitted into the inside of the bottom 4, the contact plate 8 does not rotate together with the screw 10 when the screw 10 is screwed, so that the installation is easy. is there.

[Brief description of drawings]

FIG. 1 is a front view showing a steel box to which a steel box upper and lower connecting structure of the present invention is applied.

FIG. 2 is a partially transparent perspective view showing the inside of a steel box to which the upper and lower connecting structure of the steel box of the present invention is applied.

FIG. 3 is a perspective view showing a back surface of a contact plate used in the vertical connecting structure of the steel box according to the present invention.

FIG. 4 is a front view showing the connected state of the steel box vertical connection structure of the present invention.

[Explanation of symbols]

 1 Upper box 2 Lower box 4 Bottom 5 Top plate 6 hole 7 hole 8 This plate 9 Screw hole 10 Screw

Claims (3)

[Scope of utility model registration request] 1. Boxes (1) stacked one above the other
Of the (2), the upper box (1) joined to each other
The bottom (4) of the lower box (2) and the top plate (5) of the lower box (2) are formed with holes (6) and (7), while the bottom plate (8) is provided with screw holes (9). The holes (6) and (7) are aligned with the screw holes (9) by being joined to the inner surface of (4), and the screws (10) are turned upward from the inside of the lower box (2) to both holes (6).
An upper and lower connecting structure for a steel box, which is inserted into (7) and screwed into a screw hole (9). 2. The upper and lower connection structure for steel boxes according to claim 1, wherein a double-sided adhesive tape is provided on the back surface of the plate (8), and the plate (8) is positioned by the double-sided adhesive tape. 3. The bottom (4) of the upper box (1) is bent upward in a U shape, and the contact plate (8) is fitted inside the bottom (4). The upper and lower connection structure of the steel box according to 1 or 2.