JP3475337B2 - Shelf equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shelf device used in libraries or offices for placing books and articles, and more particularly to the structure of its side plate.

[0002]

2. Description of the Related Art Conventionally, there are various types of shelving equipment such as wood-based and steel-based shelving equipment, but in the case of large-sized shelving equipment, steel members and wooden members are combined from the viewpoint of ensuring good appearance and strength. Shelving equipment is often used. As a shelf device that combines steel members and wooden members, for example,
There is one described in Japanese Patent No. 8043.

[0003]

This shelving device is provided with a steel plate lining on the inner surface of the side plate in order to prevent deformation and warpage due to large load weight, long-term use, drying, etc.
In order to reduce the increased weight due to the lining of the steel plate, the steel strut is made thick with a special cross-sectional shape, and is divided into front and rear parts to which small wooden side plates are hooked.

However, in the side plate structure of the above-mentioned conventional shelving device, not only the makeup effect of wood is greatly impaired by the steel plate lined with the wooden side plate in order to prevent deformation and warpage. Since the side plate is simply used as a wooden makeup by being hung on the pillars and not used as a strength member for the main body of the shelving device, it can be used as a steel pillar or a member such as a steel leg for erecting the pillar. The load of side plates as well as shelves and loads will be handled by one hand. Then, the steel strut is increased in rigidity by thickening it to a special cross-sectional shape, and a leg member for supporting the strut extremely firmly and a strong mounting and assembling work are required.

In order to solve the above problems, the object of the present invention is to use a wooden member as a strength member so as to emphasize the advantages of the wood and to prevent the wood part from being easily deformed such as warp. A shelf device having a high side plate structure is provided.

[0006]

According to the present invention, the above problems can be solved as follows. (1) In a shelving device in which a plurality of shelves are laid between left and right side plates, the side plates are made of wood plates, and plate-like protrusions protruding in the front-rear direction are provided near inner edges of front and rear end faces. Inner side plate panel, a pair of front and rear steel columns arranged in contact with the front and rear end faces of the inner side plate panel and the outer side face of the protrusion, and a wooden plate A flat recess is formed in the recess, and the front and rear columns and the inner side plate panel are fitted in the recess, and by coupling the inner side plate panel, the column is formed on the inner surface of the recess and the front and rear end faces of the inner side panel. And an outer side panel that is sandwiched by the outer surface of the protrusion.

(2) In the above item (1), the inner side panel and the pair of front and rear columns are fastened to each other by bolts and nuts that penetrate them in the front and rear direction.

(3) In the above item (1) or (2), the inner side plate panel is formed by connecting a plurality of side plate panels to each other through an intermediate strut, and the intermediate strut is made of steel and is arranged in the front and rear sides.
It is sandwiched from four sides by the end faces of the one side plate panel, the plate-shaped protrusions, and the flat recesses of the outer side plate panel.

(4) In any one of the above items (1) to (3), the inner side plate panel has plate-like protrusions protruding upward and downward toward inner edges of upper and lower end faces thereof. , A pair of upper and lower lateral reinforcing members that come into contact with the upper and lower end surfaces of the inner side panel are provided, and the lateral reinforcing members are made of steel,
Surrounding the inner side panel with the front and rear struts, at the four corners, each end of the lateral reinforcement and each end of the front and rear struts are connected to each other by inserting L-shaped corner connecting members into their open ends. In addition, it is sandwiched by the plate-shaped protrusion of the inner side panel and the recess of the outer side panel.

(5) In any one of the above items (1) to (4), the front and rear widths of the front and rear columns are set to be larger than the protruding lengths of the plate-shaped projections of the inner side plate panels, and A row of locking holes for locking the shelf board is provided in the vertical direction at the portion of the side surface protruding from the plate-shaped projection of the inner side panel.

(6) In any one of the above items (3) to (5), the front and rear width of the intermediate support column is equal to the protruding length of the plate-like protrusions of the two inner side plate panels sandwiched from the front and rear. It is larger than the total, and two rows of locking holes for locking the shelf boards are provided in the vertical direction on the inner side surface of the intermediate strut that protrudes from the plate-shaped protrusion of the inner side panel. .

(7) In any one of the above items (1) to (6), the inner side plate panel and the outer side plate panel are fixed by bolt holes in the inner side plate panel and from the inner side to the outer side surface in the outer side plate panel. Up to a screw hole that does not pass through, and screw through the bolt from the inside.

[0013]

DETAILED DESCRIPTION OF THE INVENTION

(Embodiment 1) Embodiment 1 of the present invention will be described with reference to FIGS. The first embodiment is a large-sized bookcase used in a library or the like, and is a double-sided shelving device capable of taking in and out books from both front and rear sides. First, an outline will be described with reference to FIGS. The shelving device (1) has a pair of side plates (2) and (3) at the left and right ends, and a side plate (4) at the center. These three side plates (2), (3) and (4) are also legs for standing the shelf device (1) on the floor.

Between the three side plates (2) (3) (4) is a top plate.
(5) (5), 10 shelves (6), a pair of left and right lower structure shelves
(7) (7) has been passed over. There are 6 shelves in total. Among them, top plate (5) (5) and lower structure shelf plate (7)
(7) is firmly fixed to the three side plates (2), (3) and (4) with bolts.

As the strength member, the side plates (2) and (3) described above are used.
In addition to (4), top plate (5) (5), lower structure shelf plate (7) and (7), a reinforcing frame (8) formed by welding a steel square pipe into a rectangular frame shape when viewed from the front. (8), which are fixed to the side plates (2), (3), (4) with bolts at the center in the front-rear direction between them. Reinforcing frame (8)
The shelving equipment is rigid because it is welded in a square tube
(1) acts as a brace that prevents the vertical displacement of the left and right.

On each shelf (6), many book supports (9) are provided to prevent the books from falling down.
Book stoppers (10) necessary for (1) to arrange books in two rows so that they can be taken in and out from both front and rear sides are provided at the front and rear centers of the shelf plate (6). (11) on the top of the side plate (3)
It is a card holder that contains the classification numbers of books.

Next, the detailed structure centering on the structure of the side plate will be described with reference to FIGS. The side plate (4) in the middle position of the three side plates is, as its main components, two side plate panels (12) (12) arranged side by side and two side plate panels (12).
For (12), a pair of front and rear end columns (13) (13) that stand in contact with the front and rear end faces at approximately the same height, and two side panel panels (12) that stand at approximately the same height in the center Middle support (14) connecting (12)
And a pair of upper and lower lateral reinforcements that contact and join the upper and lower end faces (15)
(16) and have.

The side plate panel (12) is made of a wooden board, has an appropriate thickness and a required strength as well as an aesthetic appearance as a wood-based panel, and further has an outer periphery on its front and rear end faces and upper and lower end faces. A rectangular groove-shaped groove (17) is formed so as to make one round. However, as is apparent from the figure, the groove width of the concave groove (17) is the same, but the depth is different in the front and rear and in the upper and lower. Front and rear ends
(13) consists of a square steel tube, the length of which is a side panel (12).
The length is equal to the bottom-to-bottom length of the upper and lower recessed grooves (17), and the recessed grooves (17) on the front and rear end faces of the side plate panel (12) are fitted to each other by filling about half of the front-rear direction.

The intermediate column (14) is also made of a steel square tube,
Its length is the same as the front and rear end columns (13), and is 2
The side plate panels (12) (12) are fitted into the recessed grooves (17) (17) on the front and rear end faces of the individual side panel (12) (12) and sandwiched. The cross-sectional shape of the middle strut (14) is the same square and the same width, but the length in the front-rear direction is the front-rear end strut (1
Larger than 3), the side panel (12) (12) is the middle strut (14)
A large gap is formed between the end faces of the side plate panels (12) and (12) when the groove is sandwiched between the bottom surfaces of the concave grooves (17) and (17). On the side surface of the intermediate column (14) facing the large gap, two bolt holes (18) for attaching the rectangular reinforcing frame (8) at the center in the front-rear direction and in the center in the height direction, and the reinforcing frame. Shelf brackets (1
Two rows of locking holes (20) for locking 9) are provided on one side, and a total of four rows on both side surfaces are provided in the vertical direction.

Furthermore, the pair of upper and lower lateral reinforcements (15) (16) are also
It consists of a square steel tube and its length is two side panel panels (12) (1
Grooves (17) on the front and back when 2) is sandwiching the middle column (14)
Two side panel panels equal in length from bottom to bottom of (17)
(12) All are fitted in the concave grooves (17) and (17) on the upper and lower end surfaces of (12).

The above parts are assembled and joined as follows to form one intermediate side plate (4). A pair of front and rear end columns (13) (13), an intermediate column (14), and a pair of upper and lower lateral reinforcing members for the concave grooves (17) (17) of the two side plate panels (12) (12) (15) (1
6) is fitted, and a pair of front and rear end columns (13) (13) and top and bottom 1
With the four corners created by the pair of lateral reinforcements (15) (16),
Four L-shaped corner connecting members (21) are inserted into these openings, and the insertion portions on the front and rear end columns (13) are fixed with two bolts to connect them.

Further, a pair of front and rear end columns (13) (13) connected to the front and rear, two side plate panels (12) (12) and an intermediate column (14).
Two upper and lower bolt holes penetrating through and in the front-rear direction, a pair of front-rear L-shaped corner connecting members (21) (21), and an upper lateral reinforcing member.
Insert three long bolts (22) into one bolt hole that penetrates (15) and in the front-rear direction, and tighten it with nut (22a). Before that, a pair of upper and lower lateral reinforcements (15) and (16) are screwed and fixed to the upper and lower end faces of the intermediate support column (14) with two bolts (23).

Thus, the main body of the intermediate side plate (4) is assembled. This has sufficient strength to endure for a long period of time and is resistant to deformation and warpage. In addition, the intermediate side plate (4) is well thought out for its wooden appearance. That is, by covering the front side of the front end support (13) and the back side of the rear end support (13) with long front and rear covers (24) (24), the intermediate side plate
Head (4) and nut (22a) of bolt (22) for assembling and assembling
Etc. are covered. Although illustration of the attachment of the front and rear covers (24) to the front and rear end columns (13) is omitted,
It is preferable to hook the hooks provided on the front and rear covers (24) into the holes provided in (13). In addition, there is an exposed portion for attaching the reinforcing frame (8) at the center in the front-rear direction on both side surfaces of the intermediate strut (14), but this portion has a vertically long horizontal cover (25) (25).
Is covered. The upper covers (26) and (27) are covered on the upper surface of the upper lateral reinforcement (15).

Here, the front and rear covers are attached to the front and rear end columns (13) (13).
(24) When covered with (24), front and rear covers (24) and side panel
A gap is formed between the end surface of the shelf bracket (12) and the front surface of the front and rear end columns (13) and (13) located in the gap so that the shelf bracket (19) can be locked. A row of holes (20) is provided on both sides, one row above the other.

For this purpose, the front and rear covers (24) and (24), the lateral covers (25) and (25), and the upper covers (26) and (27) allow the columns to be
The metal surface will be hidden, leaving only the narrow row of locking holes (20). Of course, the covers are also made of drawn wood, but it is better to give them a wood-like color. It should be noted that female screws are formed on the lower surfaces of the pair of front and rear L-shaped corner connecting members (21) and (21) so that the rack device (1) can be horizontally leveled.
The male threads of the individual adjusters (28) are screwed in.

Next, the structure of the pair of side plates (2) (3) at the left and right ends, which is the subject of the present invention, will be described. In the case of the end side plates (2) and (3), unlike the middle side plate (4), the shelf plate (6) is attached to only one inner surface, so that the outer surface can give more wood texture. It has a structure.

The end side plate (3) is a main component.
Two inner side plate panels (29) (29) lined up in front and back and the front and rear end faces of the inner side plate panels (29) (29) are in contact with each other at the same height 1
A pair of front and rear end columns (13) (13) and two inner side panel panels (29)
An intermediate column (14) sandwiched between (29) and connecting them, and a pair of upper and lower lateral reinforcing members (15) (1) which are also in contact with and join the upper and lower end faces.
6) and an outer side plate panel (30) which overlaps with the assembled state of these parts while covering from the outside and fitting.

Among the above-mentioned components, the front and rear columns (13), (13), the intermediate column (14), and the lateral reinforcing members (15) (16) are the same as those of the intermediate side plate (4). The inner side plate panel (29) is made of a wooden plate and has plate-like protrusions (31) on its front, rear, upper and lower end faces, which make one round of the outer periphery along its inner side faces and project outward. ing. However, the height of the protrusion (31) differs depending on the end face. The shape of the inner side plate panel (29) is one of the side wall panels (12) of the intermediate side plate (4) having the thickness of the side wall forming the concave groove (17) at its end face, including the side wall. It's the same as if the sides were scraped off.

The outer side plate panel (30) has a wide and flat recess (30a) in the center thereof, and the inner side plate panel (29) is described above.
(29), front and rear end columns (13) (13), intermediate column (14), lateral reinforcement (1
5) Assemble (16), and, like the intermediate side plate (4), four L-shaped corner connecting members (21), bolts (22) and nuts (22a) facing the front-rear direction, and others The thing tightened with the bolts of the above is housed in the recess (30a), and the front and rear and the upper three sides are tightly surrounded (however, only the heads of the bolts (22), the nuts (22a), etc. are free of meat. ), Only the lower part is open, and the plate-shaped protrusion (31) of the inner side panel (29) is
And the recess (30a) of the outer side panel (30), the front and rear end columns (1
3) (13), the intermediate support (14), the lateral reinforcing material (15) (16) is sandwiched between the sides, the inner side panel (29) and the outer side panel (30) 2
The bolts (32) (32) of the book are threaded through from the inside.

The outer side plate panel (30) has an increased thickness and is provided with a gradient at the front and rear corners to enhance the appearance as a decorative plate. Due to its aesthetic appearance, the screw holes for the bolts (32) described above do not penetrate to the outer surface of the outer side panel (30). The inner side panel (29) (29), front and rear end columns (13) (13), intermediate column (14), lateral reinforcement (15) (16)
It is exactly the same as the case of (4), and it is performed with four L-shaped corner connecting members (21) and (21), three long bolts (22) and other bolts.

The outer side plate panel (30) includes front and rear covers (24) (24), side covers (25) (25) and an upper cover (2) of the intermediate side plate (4).
6) As with (27), it has the function of covering metal such as columns, so these parts are not required. However, one horizontal cover (25) for covering the inner side surface of the intermediate strut (14), and a part of the front and rear end strut (13) (13) (a part outside the row of the locking holes (20) in the front and rear side) ) Are provided to cover the end side cover (33). As a result, the metal surfaces of the columns and the like are hidden, leaving only the row of narrow locking holes (20).

As with the intermediate side plate (4), female screws are formed on the lower surfaces of the pair of front and rear L-shaped corner connecting members (21) and (21) so that the rack device (1) can be horizontally leveled. 2 for issuing
The male threads of the individual adjusters (28) are screwed in.

Next, the assembly of the entire shelving device using the side plates (2), (3) and (4) will be described. These three side plates
In addition to (2), (3) and (4), the top plate (5) (5) and the lower structure shelf plates (7) and (7) that laterally connect between them are required as the strength member, and further, the first embodiment. As one of the features of the above, the reinforcing frames (8) (8) formed in a rectangular frame shape are incorporated.

The top plate (5) is an upper structure shelf plate (34), a decorative top plate.
(35) and front and rear top plate covers (36) and (36) that cover the front and rear end surfaces of the upper structure shelf plate (34). The superstructure shelf (34)
It is mainly used as a strength member and is formed by welding steel plates. For the intermediate side plate (4), two intermediate connecting metal fittings (37) and end side plates (3) are provided. Is connected by bolting using two end connecting fittings (38). The decorative top plate (35) is made of wood. The front and rear top cover (36) (36) is for inserting a name tag indicating the book classification, contents, etc., and is made of a withdrawal material or a synthetic resin material.

The lower structure shelf plate (7) is made of steel plate, and like the upper structure shelf plate (34), two intermediate connecting metal fittings (37) are provided for the intermediate side plate (4). 2 for the end plate (3)
Using the end connecting fitting (38), bolt it down,
Are combined. Further, the lower structure shelf plate (7) has the front and rear end face metal surfaces covered with two front and rear bottom plate covers (39).

Further, the reinforcing frame (8), which is one of the features of the first embodiment, is formed by welding a square steel pipe into a rectangular frame shape when viewed from the front side, and has high rigidity. Side plate for intermediate
For the middle strut (14) on the (4) side, 2 sets of long bolts (4
0) (40) and nuts (41) (41), the intermediate support (14) on the end side plate (3) side is bolted (42) (42) to the side cover (25) (25). ) Is fixed by screwing.

As a result of this being combined, the reinforcing frame (8)
Due to the function of brace, the shelf device (1) has a high rigidity that is hard to be deformed by being vertically displaced from side to side. Reinforcing frame (8)
Has another function. That is, when the rack is made taller by connecting the side plates to each other vertically, the rigidity is weak only by connecting the two side plates to the upper and lower ends, but the rectangular frame-shaped reinforcing frame (8) Is positioned over the two side plates connected to each other vertically and is fixed to the four side plates on the upper and lower sides and the left and right sides at the same time, whereby the rack device connected to the upper and lower sides can have high rigidity (not shown). ).

As shown in FIG. 8, the shelf plate (6) is an intermediate support column.
The shelf bracket (19) is engaged with any of the many locking holes (20) with respect to (14) and is held by the shelf bracket (19). In the double-sided shelving device according to the first embodiment in which books can be put in and taken out from both front and rear sides, the row of the locking holes (20) includes the front and rear end columns (1
3) (13) has one row each and intermediate column (14) has two rows, a total of four rows, and two shelves (6) are attached to the front and rear.

(Second Embodiment) A second embodiment will be described with reference to FIG. Example 2 is also a large bookshelf used in a library or the like, but this is a single shelf for loading books in one row on the front side so that the back side faces the wall of the building and the loading and unloading of the books is done only from the front side. It is a device.

In this case, naturally, the front and rear dimensions (depth) of the shelving device can be made smaller than those in the first embodiment. Therefore, in the second embodiment, the depth is reduced by sharing the following parts used in the first embodiment with one side panel. The main parts related to the side plate are a side plate panel (12), a front end support (13), a front cover (24), a shelf plate (6), an inner side plate panel (29), and a lateral end cover (33). .

The parts that need to be newly made are the rear end columns (5
1), upper and lower lateral reinforcing members (not shown), a rear cover (52), an upper cover (not shown), and an outer side plate panel (53). Since the side plate panel (12) and the inner side plate panel (29) may be one in one side plate, the intermediate column (14) is unnecessary.

The second embodiment has a back plate A (54) and a back plate B (55) on the rear surface. Intermediate side plate (56), end side plate (57)
The assembly and connection method of is exactly the same as that of the first embodiment, and the side plate panel (12) (or the inner side plate panel (29)) as the center, the front and rear end columns (13) (51), and the upper and lower lateral reinforcing members (illustrated) The connection of (Omitted) is not shown, but four L-shaped corner connecting members (2
1), it is a connection using a plurality of long bolts that penetrate the front and back.

The strength, durability and aesthetics of the wood of the side plate are the same as in Example 1. The description has been given in the order of the first embodiment of the double type and the second embodiment of the single type, but the actual idea is the opposite. First, there is the shelving device of the second embodiment of the single type, and then the first embodiment of the double type. It should be considered that the main parts of the single type were shared for the rack device of.

In this case, the present invention is not limited to the connection of the two side panel panels (12) (or the inner side panel panels (29)), but when it is desired to increase the depth of the shelving device depending on the application, the side panel panel is used. It also applies to connecting three or more inner side panel panels.

[0045]

According to the present invention, the following effects are produced. (1) According to the structure as claimed in claim 1, the wood side inner and outer side panel panels composing the side panel and the pair of front and rear end columns made of steel are integrally combined to warp and deform as a whole. A highly rigid side plate structure can be obtained. Moreover, since the inner and outer side panel panels made of wood are used not only as a decorative material but also as a strength member, it is possible to make the steel columns and the like thinner by that amount and reduce the overall weight. In addition to being able to do so, the goodness of the wood can be emphasized sufficiently without making the metal such as the columns stand out. Therefore, it is particularly suitable as a large bookshelf in a library or the like.

(2) With the structure as claimed in claim 2, the strength of the joint between the side plate panel and the column in the front-rear direction is significantly increased,
The rigidity of the side plate can be increased.

(3) With the structure according to claim 3, when it is desired to increase the depth of the shelving device, the number of side plate panels and the like is increased through the intermediate support, so that the strength and the aesthetics of wood can be maintained. can do. Further, it is possible to share the parts and contribute to cost reduction.

(4) With the structure as claimed in claim 4, since the inner side panel is reinforced not only by the front and rear columns but also by a pair of horizontal reinforcing members on the upper and lower sides, the rigidity of the side plate is further increased. Can be one. In particular, in the case of claim 3, the effect is great when connecting the inner side panel to the front and back.

(5) According to the structure as claimed in claims 5 and 6, although the outer side is completely covered by the outer side panel, the inner side is required to have metal parts such as front and rear end columns. The exposed portion can be minimized by covering it with the exception of the row of the locking holes for the shelves. This reduces the ratio of metal such as columns to the visual field, and sufficiently emphasizes the goodness of the wood system.

(6) With the structure as claimed in claim 7, when fixing the inner side panel and the outer side panel, the bolts, nuts and screw holes are prevented from appearing on the outer surface of the outer side panel. You can enhance the appearance of wood-based side panels and further enhance the aesthetics of wood-based materials.

[Brief description of drawings]

FIG. 1 is a front view of a compound type shelf device according to a first embodiment of the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is a plan view of the same.

FIG. 4 is an exploded perspective view of an end side plate mounting portion of the same.

FIG. 5 is an exploded perspective view of an intermediate side plate mounting portion of the same.

6 is an enlarged transverse plan view taken along the line AA of FIG.

7 is an enlarged vertical side view taken along line BB in FIG.

FIG. 8 is an enlarged vertical front view of a shelf plate mounting portion.

FIG. 9 is a cross-sectional plan view of a main part of a single-type shelf device according to a second embodiment of the present invention.

[Explanation of symbols]

(1) Shelving device (2) (3) (57) End side plate (4) (56) Intermediate side plate (5) Top plate (6) Shelf board (7) Lower structure shelf (8) Reinforcement frame (9) Book support (10) Book stopper) (11) Card case (12) Side panel (13) Front and rear columns (14) Middle support (15) (16) Lateral reinforcement (17) Groove (18) Bolt hole (19) Shelf bracket (20) Locking hole (21) Corner connecting member (22) (23) (32) (42) Bolt (22a) Nut (24) Front and rear covers (25) Side cover (26) (27) Top cover (28) Adjuster (29) Inner side panel (30) (53) Outer side panel (30a) Recess (31) Projection (33) Edge side cover (34) Superstructure shelf (35) Makeup top plate (36) Front and back cover (37) Connecting fitting for intermediate (38) End fitting (39) Bottom plate cover (40) Special bolt (41) Special nut (52) Rear cover (54) (55) Back plate

Continuation of the front page (56) Reference JP-A-55-151647 (JP, A) JP-A-2-152409 (JP, A) Actual opening Sho-56-34454 (JP, U) Actual opening Sho-57-68668 (JP , U) (58) Fields investigated (Int.Cl. ⁷ , DB name) A47B 55/00 A47B 96/20 A47B 63/00 501 A47B 63/00 502

Claims (7)

(57) [Claims] 1. A shelf device in which a plurality of shelves are bridged between left and right side plates, wherein the side plates are wooden plates, and plate-shaped projections projecting in the front-rear direction toward inner edges of front and rear end faces. An inner side plate panel provided with, a pair of front and rear steel columns arranged so as to contact the front and rear end faces of the inner side plate panel and the outer side face of the protrusion, and a wooden plate, A flat recess is formed in the center of the side surface,
The front and rear columns and the inner side plate panel are fitted in the recess, and by coupling with the inner side panel, the column is sandwiched between the inner surface of the recess, the front and rear end surfaces of the inner side panel and the outer surface of the protrusion. A shelving device, comprising: 2. The inner side panel and the pair of front and rear struts,
The shelving device according to claim 1, wherein the shelves are fastened to each other by bolts and nuts that pass through them in the front-rear direction. 3. The inner side plate panel is formed by connecting a plurality of side plate panels to each other through an intermediate strut, and the intermediate strut is made of steel, and has end faces of two front and rear side plate panels and a plate-shaped protrusion. The shelving device according to claim 1 or 2, wherein four sides are sandwiched by the flat concave portion of the outer side plate panel. 4. The inner side plate panel has plate-like protrusions protruding upward and downward toward the inner edges of the upper and lower end faces thereof, and a pair of upper and lower faces contacting upper and lower end faces of the inner side plate panel. A lateral reinforcement is provided, which is made of steel and surrounds the inner side panel with the front and rear stanchions,
At the four corners, each end of the lateral reinforcing member and each end of the front and rear columns are connected to each other by inserting an L-shaped corner connecting member into their open ends, and a plate-shaped protrusion of the inner side panel. The shelving device according to any one of claims 1 to 3, wherein the shelving device is sandwiched between the portion and the recess of the outer side panel. 5. The front and rear widths of the front and rear columns are larger than the protruding lengths of the plate-shaped protrusions of the inner side plate panel, and the protrusions protrude from the plate-shaped protrusions of the inner side plate panel on the inner side surfaces of the front and rear columns. The shelf device according to any one of claims 1 to 4, wherein a row of locking holes for locking the shelf board is provided in a vertical direction in the existing portion. 6. The front and rear width of the intermediate support column is made larger than the total protruding length of the plate-like protrusions of the two inner side plate panels sandwiched from the front and rear, and the inner side plate is formed on the inner side surface of the intermediate support column. 2 on the part protruding from the plate-shaped protrusion of the panel
The shelving device according to any one of claims 3 to 5, wherein a row of locking holes for locking the shelf boards of the row is provided in a vertical direction. 7. The inner side panel panel and the outer side panel panel are fixed to each other by providing a bolt hole in the inner side panel panel and a screw hole which does not penetrate from the inner side to the outer side surface in the outer side panel panel and screwing the bolt from the inner side. The shelving device according to any one of claims 1 to 6, which is a product.