JP3066857B2 - Shelf board - 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 board used for storage furniture and the like.

[0002]

2. Description of the Related Art As a shelf plate constituting steel storage furniture or the like, as shown in FIG. 5, a shelf plate body 101 formed by bending both edges of one sheet metal material in parallel in a longitudinal direction.
There is known a shelf plate in which a reinforcing portion 102 is fixed on the lower surface of the back side of the shelf.

[0003]

However, in the above-mentioned conventional shelf board, an appropriate mounting position for the reinforcing portion 102 to exhibit its load supporting effect is a bent portion 101 of the shelf body 101.
The reinforcement part 102 is formed of another sheet metal material, and is not manufactured integrally with the shelf main body 101 because it is assumed that the reinforcement part 102 is located at the center part in the front-rear direction far away from a.
That is, to manufacture the conventional shelf, the shelf main body 10
At least two production lines, one production and the production of the reinforcement part 102, are required. For this reason, there is a limit to the simplification of the process in the storage furniture production using the conventional shelf board, and it is not easy to reduce the cost.

[0004] In view of such a conventional technique, an object of the present invention is to provide a shelf board formed of one sheet metal material and having both a mounting portion and a reinforcing portion.

[0005]

According to the present invention, there is provided a shelf plate for achieving the above-mentioned object, wherein a front edge and a rear edge of one sheet metal material are formed into a substantially U-shaped cross section at a bent portion. Bending,
A central portion in the front-rear direction is a mounting portion, and a rectangular plate is used as the sheet metal material, and a reinforcing portion is integrally formed with the mounting portion at a bent end on the center side of the bent portion with an equal width and the reinforcing portion. Are open at both ends
And a part thereof is fixed near the rear surface of the mounting portion.

[0006] When an article is placed on the shelf board of the present invention, the load of the article is supported by the reinforcing portion and the bent portion. Since the reinforcing portion is formed in a pair in the front and rear on the center side of the bent portion, the shelf board of the present invention has a single reinforcing portion formed of another sheet metal fixed at the center in the front-rear direction. It has the same strength as conventional shelf boards. At the same time, in the shelf of the present invention, since the reinforcing portion is integrally formed at the bent end, and the shelf and the reinforcing portion are integrated, a separate process of manufacturing the reinforcing portion is unnecessary, and the manufacturing cost is reduced. Can be kept low.

In addition, near the center in the front-rear direction of the reinforcing portion,
It is possible to integrally form a book support engagement groove opened at the center side of the shelf. According to this configuration, the shelf board of the present invention can detachably suspend the book support on the lower surface of the shelf board by fitting the engaged portion into the book support engagement groove. There is no need to provide a book support mounting portion formed of a sheet metal material. Also in this regard, the shelf board of the present invention can simplify the manufacturing process, and can keep the manufacturing cost low.

Further, a longitudinal ridge projecting from the upper surface of the mounting portion can be integrally formed with at least one of the front and rear edges of the mounting portion. With this configuration, when the shelf board of the present invention is arranged in the storage furniture such that the ridge is on the near side, the storage article is prevented from falling toward the near side due to the vibration of the storage furniture, and the ridge is provided. When the shelf board of the present invention is arranged in the storage furniture so that it is located at the back, while the storage articles are prevented from falling to the back side due to the vibration of the storage furniture, the storage articles are aligned by the ridges. It can be stored neatly. The shelf board of the present invention can simplify the manufacturing process and can keep the manufacturing cost low even in the point that there is no need to provide a ridge formed from another sheet metal material.

As described above, in the shelf board of the present invention, since the reinforcing portion is formed integrally with the mounting portion at the bent end so as to have the same width, the conventional reinforcing plate formed with another sheet metal is fixed. It has the same strength as a shelf board and can keep the production cost low. In addition, the shelf board of the present invention has the same function as a conventional shelf board in that the book support engagement groove and the ridge are also integrally formed, and the manufacturing cost can be kept low.

That is, according to the present invention, it is molded from a single rectangular sheet metal material, has both a mounting portion and a reinforcing portion, has the same strength and function as a conventional shelf plate, and has a low manufacturing cost. Low shelves are provided.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. The shelf plate T according to one embodiment of the present invention is formed by integrally forming a single square sheet metal material such as a steel plate by roll forming or pressing. The front edge and the rear edge of one sheet metal sheet are bent into a substantially U-shaped cross section at the bent portion 12, and the center portion in the front-rear direction is the mounting portion 11, and the center of the bent portion 12 is closer to the center. The reinforcing portion 2 is further integrally formed with the curved end 13, and the reinforcing portion 2 is fixedly provided at a part thereof close to the back surface of the mounting portion 11. In use, a cover may be attached to both ends in the longitudinal direction to form a flat box.

[0012] The reinforcing portion 2 includes channel bottom portions 21 and 2
It has a channel shape with two open ends at the two channel side walls 22 and is located closer to the center than the bent portion 12 with an appropriate distance. Specifically, the reinforcing portion 2 is integrally formed with the mounting portion 11 at the bent end on the center side of the bent portion 12 with the same width. Then, the channel bottom portion 21 approaches the mounting portion 11, and the channel opening 23 opens toward the opposite side of the mounting portion 11, that is, toward the lower surface of the shelf T. The reinforcing portion 2 is fixed to the back surface of the mounting portion 11 at the channel bottom portion 21 via a welding joint 3 by spot welding.

The shelf T is attached to the storage furniture C, and the placing section 1
It is assumed that the stored items are placed on 1. Since the reinforcing portion 2 is located in a pair closer to the center than the bent portion 12 while maintaining an appropriate distance,
The load applied to the central portion of the mounting portion 11 is almost equally supported by the reinforcing portions 2 without deforming the shelf plate T. That is, the shelf plate T has the same strength as a conventional shelf plate in which a single reinforcing portion formed of another sheet metal is fixed at the center in the front-rear direction.

At the same time, since the reinforcing portion 2 and the mounting portion 11 are an integral member formed from a single sheet metal material, the shelf plate T can be manufactured without a separate step of manufacturing the reinforcing portion 2, and the manufacturing cost is reduced. Can be kept low. In addition to the above, in the shelf plate T of the present embodiment, a pair of contiguous surfaces extending in the longitudinal direction and a surface turned back so as to partially cover the surface are provided on the center side in the front-rear direction of the two reinforcing portions 2. Accordingly, a book support engagement groove 24 opened at the center of the shelf plate T is provided. In this manner, the shelf plate T is formed by bending a book material B having a circular cross section into an Ω shape and forming the book support B into the book support engagement groove 24 with the engaged portion B1 thereof. Can be detachably hung on the lower surface of the book support, and there is no need to provide a book support mounting portion formed of another sheet metal material. Also in this respect, the shelf board T can simplify the manufacturing process, and the manufacturing cost can be reduced.

In the shelf board T, a ridge 11a protruding from the upper surface of the mounting portion 11 and extending in the longitudinal direction is integrally formed on one of the front and rear edges of the mounting portion 11 together with the formation of the bent portion 12. Is molded. By doing so, the ridge 11a
In the state of FIG. 3 in which the shelf board T is arranged in the storage furniture so that the shelf board F is located in the front F, the storage article is prevented from falling toward the front F side due to the vibration of the storage furniture, and the shelf board 11a is located in the back. T
In the state shown in FIG. 4 in which the storage furniture is arranged in the storage furniture, it is possible to prevent the storage goods from falling to the back side due to the vibration of the storage furniture, and to arrange the storage goods with the protruding ridges 11a so that the storage goods can be stored neatly. The shelf plate T can be manufactured in a simple manner, and the manufacturing cost can be reduced, since there is no need to provide a ridge formed of another sheet metal material.

As described above in detail, since the reinforcing portion 2 is integrally formed with the mounting portion 11 at the bent end 13 at the same width as the shelf plate T, the reinforcing portion formed by another sheet metal is fixed. It has the same strength as the conventional shelf board provided, and the manufacturing cost can be kept low. In addition, the shelf plate T is provided with the book support engagement groove 2.
4 and the ridge 11a are also integrally formed with the shelf plate T,
It has the same function as a conventional shelf board, and the production cost can be kept low.

That is, according to the present invention, both the mounting portion 11 and the reinforcing portion 2 are formed from a single rectangular sheet metal material, and have the same strength and function as the conventional shelf plate, and have a low manufacturing cost. A low shelf T is provided. The specific configuration and shape of each part are not limited to the illustrated shelf board T, and various modifications can be made without departing from the spirit of the present invention.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention, with a part omitted.

FIG. 2 is a schematic cross-sectional view of one embodiment of the present invention along the front-rear direction.

FIG. 3 is a perspective view showing a state in which one embodiment of the present invention is attached to storage furniture so that a ridge is on the front side.

FIG. 4 is a perspective view showing a state in which one embodiment of the present invention is attached to storage furniture so that a ridge is located at the back.

FIG. 5 is a perspective view in which a part of a conventional shelf is omitted.

[Explanation of symbols]

 2 ... Reinforcing part 11 ... Placement part 11a ... Protrusion 12 ... Bend part 13 ... Bend end 24 ... Book support engagement groove T ... Shelf board

 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References Jpn. Microfilm (JP, U) photographing the contents Microfilm (JP, U) photographing the contents of the specification and drawings attached to the application form of Japanese Utility Model Application No. Sho 58-20665

Claims (3)

(57) [Claims] 1. A front edge and a rear edge of one sheet metal material are bent into a substantially U-shaped cross section at a bent portion, and a center portion in the front-rear direction is a mounting portion. The reinforcing part is integrally formed with the mounting part at the bent end on the center side of the bent part with the same width, and the reinforcing part is opened at both ends.
Characterized in that it is a channel-shaped shelf , and a part of which is fixedly provided adjacent to the back surface of the mounting portion. 2. A center side near the center in the front-rear direction of the reinforcing portion.
The book support engagement groove that is open to the
The shelf according to claim 1. 3. A front-back direction of at least one of the mounting portions.
An upright ridge is integrally formed on an edge of the rim.
Or the shelf board described in 2.