JPH0610841Y2 - Rack and column connection device for rack - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a connecting device between a shelf and a support in a rack.

(Prior Art) A shelf board and four columns that support the four corners of the shelf board are provided. The shelf board is composed of a top board and side walls extending downward from each side edge of the top board. A rack formed by a pair of substantially orthogonal pillar walls is generally used so that each pillar is formed along the outer surface of the side wall that is substantially orthogonal at the corner. In such a rack, the shelves are provided in upper and lower layers,
Usually, the four corners of the top and bottom shelves are connected to columns to form a frame structure to prevent the rack from shaking.

And, for example, Japanese Utility Model Publication No. 51-2024 and Japanese Utility Model Publication No. 56-3633.
As described in Japanese Patent No. 9, the shelf and the support are bolted together via a connecting tool interposed between a corner of the top plate and the supporting post, and the connecting tool connects a pair of connecting plates. The connecting plates are formed in an L-shape corresponding to the columns by connecting them so as to be substantially orthogonal to each other, and each connecting plate is located below the side wall along the column wall from the holding portion sandwiched between the column wall inner surface and the side wall outer surface of the shelf plate. A first reinforcing portion that extends and a second reinforcing portion that extends laterally from the support wall along the side wall from the sandwiching portion, and the lower edge of each second reinforcing portion is inwardly at the lower edge. A lower regulating portion is provided which is formed by being folded back and contacts the lower end of the side wall of the shelf plate.

(Problems to be solved by the invention) In the above-mentioned conventional device, since the connecting member has the first reinforcing portion, the lower regulating portion cannot be formed at the corner of the connecting member, and Since the regulation part is formed by folding back the lower edge of the connecting plate, it is weak against the load from above, and therefore the rack was not sufficient for the diagonal force of the top plate of the shelf plate. .

The present invention aims to solve the above problems.

(Means for Solving Problems) The feature of the technical means taken by the present invention to solve the problems of the prior art is that the side wall 5 extends downward from each side edge of the rectangular top plate 4. The shelf board 2 is provided, and the pillars 3 arranged at four corners of the shelf board 2 and composed of a pair of substantially orthogonal pillar walls 3a along the side walls 5 of the shelf board 2 are provided. The support column 3 is bolted to the support column 3 via a connector 16 interposed between a corner of the top plate 4 and the support column 3. The connector 16 connects a pair of connection plates 17 so as to be substantially orthogonal to each other. It is formed in an L-shape corresponding to the pillar 3, and each connecting plate 17 is a pillar wall.
The first reinforcing portion 19 extends downward from the side wall 5 along the support wall 3a from the sandwiching portion 18 sandwiched between the inner surface of the shelf 3 and the outer surface of the side wall 5 of the shelf 2, and the support pillar extends along the side wall 5 from the sandwiching portion 18. And a second reinforcing portion 20 extending laterally from the wall 3a, each second reinforcing portion
A lower regulating portion 21b formed at the lower end portion of 20 by folding the lower edge inward to contact the lower end of the side wall 5 of the shelf board 2.
In a connecting device between a shelf and a column in a rack in which a rack is provided, the lower surface of the side wall 5 of the shelf 2 is raised at the corner of the connecting tool 16 so as to project inwardly between the two notches. The second lower restriction portion 21c is formed in contact with the second lower restriction portion 21c.

(Operation) When a diagonal force of the top plate 4 of the shelf board 2 acts on the rack, the corner of the shelf board 2 is received by the second restricting portion 21c formed at the corner of the connector 16. Not only is it not easily deformed, but it is also resistant to impacts on the shelf 2 from above.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows a rack 1, which is provided with upper and lower three-layer shelves 2 and four columns 3, 3, 3, 3 which support the four corners of each shelf 2.

The shelf plate 2 is made of sheet metal and has a rectangular shape in plan view, and is formed by a top plate 4 having an upper surface thereof as an article mounting surface, and the walls 5 extending downward from each side edge of the top plate 4. Has been done.

As shown in FIGS. 14 and 15, the left and right side walls 5a, 5a (side walls located on the left and right in FIG. 15) are folded back at their lower ends, and a pair of long holes for bolt insertion are formed at each front and rear end. 6 and
The square hole 7 is opened as the engaged portion. This square hole 7 is for inserting an engaging portion 26 of a connecting tool 16 described later,
The opening edge one side is cut out in a semicircular shape along the reinforcing rib 27 of the engaging portion 26.

The front and rear side walls 5b, 5b are extended portions 8 whose lower ends extend inward, and the inner ends of the extended portions 8 are folded back upward. Further, the front and rear side walls 5b, 5b are integrally formed with a sheet piece holding groove 10 by recessing the outer surfaces thereof inward. The cross-sectional shape of this holding groove 10 is the groove bottom surface.
The groove facing surfaces 10b, 10b extend outwardly from the upper and lower edges of 10a so as to gradually approach each other. As a result, the sheet piece 11 in which the name of the article to be placed on the shelf board 2 and the like is written is the groove 10
Held in. That is, the upper and lower ends of the sheet piece 11 are brought into contact with the outer adjacent portions of the groove facing surfaces 10b, 10b by fitting the upper and lower widths of the sheet piece 11 into the groove 10 such that the vertical width of the sheet piece 11 substantially matches the vertical width of the groove bottom surface 10a. It is retained without falling out. In addition, a pair of bolt insertion slots 13 are formed on the left and right ends of the groove bottom surface 10a.
Is opened. A reinforcing member 14 is attached to the lower surface of the top plate 4 over substantially the entire width of the left and right.

Next, each of the columns 3 is formed by integrally connecting a pair of substantially orthogonal column walls 3a, 3a. As a result, the pillar 3 is formed with the front and rear side walls 5b, 5b that are substantially orthogonal to each other at the corners of the shelf board 2.
And one outer surface of the left and right side walls 5a, 5a. A plurality of upper and lower bolt insertion holes 15 are provided in a row on each support wall 3a.

The four corners of the uppermost shelf layer 2 and the lowermost shelf plate 2 are supported by the columns 3 via the connecting members 16, respectively.

As shown in FIGS. 7 to 13, the connecting member 16 is formed by connecting a pair of connecting plates 17 made of sheet metal integrally and substantially orthogonally. Each connecting plate 17 is shown in FIGS.
As shown in the figure, it is interposed between the inner surface of each pillar wall 3a and the outer surface of the side wall 5. In addition, the connecting plate 17 has a sandwiching portion 18 sandwiched between the inner surface of the pillar wall 3a and the outer surface of the side wall 5 facing the inner surface, and the connecting plate 17 extends from the sandwiching portion 18 below the side wall 5 to support the pillar. By providing the first reinforcing portion 19 that follows the inner surface of the wall 3a and the second reinforcing portion 20 that extends from the holding portion 18 to the side of the pillar wall 3a and that follows the outer surface of the side wall 5, respectively,
It is shaped like a letter.

Each connecting plate 17 has a restricting portion that engages with the upper surface of the top plate 4 and the lower surface of the side wall 5 to restrict the vertical relative movement of the connecting tool 16 and the shelf plate 2.
21 are provided.

The upper regulating portion 21a that engages with the upper surface of the top plate 4 is formed by folding the upper edge of the connecting plate 17 inward. Here, of the upper restricting portion 21a, a portion 21a ′ along the left and right side walls 5a
Is formed by being folded back over the entire upper edge front and rear width of the connecting plate 17, but the portion 21a ″ along the front and rear side walls 5b is not the entire upper edge left and right width of the connecting plate 17, but the holding portion of the column wall 3. 18
It is formed by folding back only the upper edge part.
This is to prevent the article placed on the top plate 4 from coming into contact with the upper regulating portion 21a ″ when the article is pulled back and forth while sliding.

The lower regulating portion 21b that engages with the lower surface of the side wall 5 is provided with the second reinforcing portion 2
It is formed by folding the lower edge of 0 inward. The side edge of the first reinforcing portion 19 is also folded back inward so as to be continuous with the lower regulating portion 21b to form the rib 22, and the lower edge of the first reinforcing portion 19 is also folded back inward to form the rib 23. Has been done.

Further, in the present embodiment, the second lower part regulation in which the upper and lower portions of the connecting portion of the pair of adjacent first reinforcing portions 19 of the connecting tool 16 are raised inwardly between the upper and lower two notches. Part 21c
Is formed, and the end of the lower surface of the side wall 5 is abuttingly engaged with the second lower regulating portion 21c.

Next, the first reinforcing portion 19 of one connecting plate 17 of the connecting tool 16 (which follows the left and right side walls 5a in this embodiment) and the first reinforcing portion 19
The pillar wall 3a along with is fastened with bolts and nuts 31,
The holding portion 18 of the other connecting plate 17 and the support wall 3a and the side wall 5b that hold the holding portion 18 are fastened by bolts and nuts 32. Therefore, bolt through holes 33, 34 are opened in the first reinforcing portion 19 and the sandwiching portion 18.

Next, one of the pair of second reinforcing portions 20, 20 of the connector 16 is engaged with the engaged portion (square hole) 7 provided on the left and right side walls 5a along which the second reinforcing portion 20 is attached. A joint 26 is provided.
In the present embodiment, the engaging portion 26 is a tongue piece protruding from the side edge of the second reinforcing portion 20, and the center of the tongue piece bulges inward to form a rib 27. By inserting the tongue piece 26 into the square hole 7, the relative lateral movement of the second reinforcing portion 20 and the side wall 5 is restricted. Further, the other second reinforcing portion 20 and the side wall 5 along which the second reinforcing portion 20 is attached are fastened by bolts and nuts 28. Therefore, a bolt through hole 29 is opened in the second reinforcing portion 20. Here, the bolt through hole 29
Is formed on the bottom surface of a concave portion 30 formed by denting the upper and lower central portions of the second reinforcing portion 20 on the other side inward. This is because the seat piece holding groove 10 is formed in the front and rear side walls 5b that are fastened to the second reinforcing portion 20 by the bolts and nuts 28 in the present embodiment. This is because the groove bottom 10 is fitted into the groove 10 and the groove bottom surface 10a and the recess 30 bottom surface are joined. Further, the opposing surfaces 10b, 10b of the holding groove 10
And by engaging the opposing walls 30a, 30a of the recessed portion 30,
Relative vertical movement of the shelf 2 and the connector 16 can be restricted.

The above-described connection between the shelf 2 and the column 3 by the connecting tool 16 is performed only by using three sets of bolts and nuts 28 at each corner of the shelf 2, and the connecting tool 16 is a pair of substantially orthogonal connections. Since the plates 17 and 17 are mainly connected to each other, a single piece may be provided at each corner, the number of parts can be reduced, and the rack 1 can be assembled quickly and easily.

Next, a base 35 is attached to the lower end of the column 3 as shown in FIGS. The base 35 is formed of a bottom wall 35a and a standing wall 35b, and a through hole 36 is formed in the standing wall 35a. Further, one first reinforcing portion 19 (which is along the front and rear side walls 5b in the present embodiment) is provided with a fitting portion 37 that is recessed inward, and a protrusion 38 that projects outward from the fitting portion 37. Has been done. The standing wall 35b is fitted into the fitting portion 37, and the through hole 36 is fitted into the protrusion 38, so that the standing wall 35b is interposed between the first reinforcing portion 19 and the column wall 3a, and the through hole 36 is formed. And protrusion
The bottom wall 35a supports the lower end surface of the support column 3 by engaging with 38 to prevent it from coming off downward.

The shelf 2 of the intermediate layer is fastened to the column 3 via bolts and nuts 39.

(Effect of the Invention) According to the present invention, the second lower regulating portion 21c is provided at the corner of the connector 16.
The second lower regulating portion 21c is formed so as to project inward between the upper and lower two cuts, and is strong against the load in the vertical direction. Since the lower surface of the side wall 5 of the shelf board 2 abuts, when the diagonal force of the top board 4 of the shelf board 2 acts on the rack, the corner of the shelf board 2 is received by the second restricting portion 21c. In addition, the rack is not easily deformed, and is strong against an impact applied to the shelf board 2 from above, thereby increasing the strength of the rack.

[Brief description of drawings]

1 to 18 relate to an embodiment of the present invention. FIG. 1 is an overall perspective view of a rack, FIG. 2 is a front view of a main part of a rack uppermost shelf, and FIG. Fig. 4 is a plan view,
FIG. 5 is a bottom view of the same, FIG. 6 is a left sectional view of the same, FIG. 7 is a front view of a connecting tool, FIG. 8 is a right side view of the same, FIG. 9 is a left side view of the same, and FIG. Fig. 11 is a bottom view of the same, Fig. 12 is a rear view of the same, Fig. 13 is a sectional view taken along the line AA of Fig. 7, Fig. 14 is a side sectional view of a shelf, and Fig. 15 is a front view. , FIG. 16 is a front view of the main part of the corner of the lowest shelf of the rack, FIG. 17 is a cross-sectional view of the main part, and FIG.
The figure is a perspective view of the base. 1 ... rack, 2 ... shelf, 3 ... post {3a ... post wall}, 4 ...
Top plate, 5 ... Side wall, 7 ... Engagement part, 16 ... Coupling tool, 17 ... Coupling plate, 18 ... Clamping part, 19 ... First reinforcing part, 20 ... Second reinforcing part, 21
… Regulator, 26… Engagement, 28, 31, 32… Bolts and nuts.

Claims (1)

[Scope of utility model registration request] 1. A shelf board (2) formed by extending side walls (5) downward from each side edge of a rectangular top board (4), and shelf boards arranged at four corners of the shelf board (2). A pair of approximately orthogonal pillar walls along the side wall (5) of (2)
(3a) constituted by a pillar (3), and the shelf (2) and the pillar (3) are connecting tools interposed between the corners of the top plate (4) and the pillar (3). The connection tool (16) is connected to the pair of connection plates (17) so as to be substantially orthogonal to each other, and is then bolted through (16) to the support column (3).
Is formed in an L-shape corresponding to, and each connecting plate (17) is
A first reinforcing portion extending below the side wall (5) along the support wall (3a) from the holding portion (18) sandwiched between the inner surface of the support wall (3a) and the outer surface of the side wall (5) of the shelf plate (2). (19) and the side wall from the holding portion (18)
A second reinforcement portion (20) extending laterally from the column wall (3a) along (5), and the lower edge of each second reinforcement portion (20) is folded back inward. In a device for connecting a shelf plate and a column in a rack provided with a lower regulating part (21b) formed by the side wall (5) of the shelf plate (2), the corner of the connector (16) A second lower regulating portion (21c) is formed in the portion so that a space between two upper and lower cuts is raised inward so that the lower surface of the side wall (5) of the shelf plate (2) contacts. A device for connecting a shelf and a column in a rack.