JP2778560B2 - Shelf board reinforcement structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention Ri engaging <br/> the keybed reinforcing structure, more particularly, the shelves on the walls, the welding process of the stiffener is welded to the back side of the shelf plate on the wall the about the keybed reinforcing structure which can be simplified.

[0002]

2. Description of the Related Art Conventionally, a display device having a shelf plate on which various products and the like can be placed has been employed. The shelf plate in this display device is formed by sheet metal processing using a steel material or the like, and is configured to withstand a certain load by providing a reinforcing material on the back surface side of the upper wall of the shelf plate.

[0003] As a reinforcement structure on the near side seen in a general shelf board, for example, a configuration as shown in FIG. 4 is employed. In the figure, a shelf board 40 is a shelf board upper wall 41.
And a hanging wall 42 provided on the near side (left side in the figure) of the shelf board upper wall 41, and a bent piece 43 connected to a lower end of the hanging wall 42. And reinforcement material 4
4 is a welding point P1 with a part of the receiving surface 46 connected to the lower end of the front wall 45 located on the near side of the hanging wall 42 and a welding point P2 with the back surface of the shelf board upper wall 41. Each is spot welded.

[0004]

However, the welded portion P1 between the receiving surface 46 and the reinforcing member 44 has a structure in which the lower surface is open while the upper surface is covered by the shelf upper wall 41. . Therefore, at the welding point P1, it is necessary to spot-weld the reinforcing member 44 and the receiving surface 46 without the shelf board 40. Then, after the shelf board 40 is slid and mounted so that the bent piece 42 enters the gap C provided between the reinforcing member 44 and the receiving surface 46, a welding point P2 between the reinforcing member 44 and the shelf board upper wall 41 is formed. However, there is a problem that the welding operation is performed in two steps in spite of using one reinforcing member 44, and the reinforcing operation is troublesome.

In the conventional structure, the front wall 45
Is formed separately from the reinforcing member 44, and there is a problem that the manufacturing cost increases due to an increase in the number of parts.

[0006]

SUMMARY OF THE INVENTION The present invention has been devised in view of the above-mentioned problems, and its object is to simplify the work of reinforcing the front rear surface of a shelf plate and reduce the number of parts. and to provide a shelf board reinforcing structure possible.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems of the conventional structure, the present invention employs a shape in which the front and back surfaces of each contact point between the upper wall of the shelf and the reinforcing member are opened, thereby enabling spot welding at the same time. As a result, the welding process at the time of manufacturing the shelf board is simplified.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention relates to a shelf board reinforcing structure in which a longitudinally extending reinforcing material is spot-welded to a front back surface of a shelf board upper wall at a plurality of front and rear places. A supplement located immediately after the hanging wall hanging down from the upper side of the plank wall
Including a strong material, and the reinforcing material has a gap between the back surface of the upper wall of the shelf board.
A plane which has a space and is located substantially parallel to the upper wall of the shelf board
Part and the front and rear ends of this flat part
The first and second standing portions and the upper end of each of these standing portions
It is connected continuously and touches the two front and rear areas on the back side of the upper wall of the shelf board
First and second contact surfaces, and the near side of the first contact surface
And a third upright portion connected downward from the third upright portion.
Connecting to the lower end of the part and supporting the lower end of the hanging wall
A receiving surface and a front wall rising from a front end of the receiving surface.
Wherein the first and second abutment surfaces are on the shelf board upper wall.
Each is spot-welded . With this configuration, there is no member that inhibits spot welding on the lower surface side of each contact surface and the upper surface side of the shelf upper wall, and therefore, these portions can be welded simultaneously.

Further, by supporting in the receiving surface of the lower end of the front Symbol hanging wall, it is possible to reinforce the strength of the hanging wall region. Further, the front wall connected to the receiving surface gives the reinforcing member a zigzag shape, which contributes to an increase in strength of the reinforcing member itself.

[0010]

[0011] In this specification, the term "front side" is used when the display device is viewed from the front.
The depth side opposite to this is used as “rear” or “rear end”.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is an external perspective view of the display device.
FIG. 2 is a rear view of a main part of a shelf plate in the display device. FIG. 3 is a sectional view taken along line AA of FIG. In these drawings, a display device 10 entirely formed of a metal material such as steel has a column 11 arranged in parallel with each other at a predetermined interval, and a plate-shaped column located between the columns 11. A back plate 12,
It is composed of a pair of brackets 13 supported on each support 11, a shelf 14 supported between the brackets 13, and a base (not shown).

The connection between each of the columns 11 and the back plate 12 is performed by using mutual engagement, welding, or fasteners such as bolts, and the column 11 has a front end face on the near side in the drawing. A large number of slit holes 16 are formed at regular intervals in the vertical direction in FIG.

The shelf 14 is, as shown in FIG.
A shelf board upper wall 17, a hanging wall 18 hanging at one end of the shelf board upper wall 17, that is, a front edge when the shelf board 14 is viewed from the front side, and a little rearward from a lower end of the hanging wall 18; And a pair of side portions 20 joined to both ends of the upper wall 17 of the shelf board in the longitudinal direction (perpendicular to the paper surface in FIG. 3) so as to be able to engage with the bracket 13. Reinforcing members 22, 23, and 24 are disposed between the side portions 20 to secure the overall strength of the shelf upper wall 17.

The side portion 20 includes an elongated horizontal surface portion 25 located in the front-rear direction along the back side of the shelf board upper wall 17;
The horizontal surface portion 25 is provided with a hanging surface portion 26 which is vertically provided from one side edge in the short width direction and extends substantially parallel to the surface of the bracket 13. These can be formed by using a single plate material and bending the whole into a substantially L-shape. On the rear side of the horizontal surface portion 25, that is, on the left side in FIGS. 2 and 3, one engagement piece 27 is provided obliquely downward and forward. The engagement piece 27 is formed by cutting three sides of a part of the horizontal plane part 25 and cutting and raising the remaining one side downward as a hinge part. The engagement piece 27 can engage with a notch recess (not shown) provided on the upper edge of the bracket 13, thereby preventing the shelf board 14 from rising.

As shown in FIGS. 2 and 3, the reinforcing member 22 has a gap between itself and the back surface of the shelf upper wall 17 and is located substantially parallel to the shelf upper wall 17. Flat part 29
A pair of first and second upright portions 30 facing the shelf board upper wall 17 from both ends of the flat portion 29, and first and second upright portions connected to the upper ends of the upright portions 30, respectively. Contact surface 3
A third upright portion 3 which is provided continuously from the front side of the first abutment surface 31 and below and has a symmetrical relationship with the upright portion 30;
4 and a receiving surface 35 connected to the lower end of the third upright portion 34
And a front wall 36 rising from the receiving surface 35. Here, the flat portion 29 and first and second upright portions 30, 30 provided on both sides thereof are provided.
Thereby, a concave portion 37 is formed.

The first contact surface 31 is provided on the second contact surface 3.
2 is formed as an edge, and is formed so as to directly contact the rear surface of the shelf upper wall 17 immediately after the hanging wall 18. On the other hand,
As shown in FIG. 2, the second contact surface 32 has a stepped portion 38.
And rides on the horizontal surface portion 25 of the side portion 20 via the through hole. Therefore, the second contact surface 32 is indirectly connected to the shelf board upper wall 17 via the horizontal surface portion 25.
Will come into contact with. Here, spot welding points P1 and P2 are formed in the contact areas between the shelf upper wall 17 and the first and second contact surfaces 31 and 32, respectively.

The receiving surface 35 is configured such that a bent piece 19 provided at the lower end of the hanging wall 18 is seated on the receiving surface 35 so that they abut against each other. Have been. Further, the front wall 36 connected to the receiving surface 35 forms a zigzag through the receiving surface 35 in relation to the upright portion 34 located rearward therefrom,
The strength of the entire reinforcing member 22 is increased.

The reinforcing member 23 located behind the reinforcing member 22 is in contact with the horizontal surface portion 25 in the same manner as the second contact surface 32, and spot welding is performed in these contact regions. Locations P3 and P4 are provided. Further, the rearmost reinforcing member 24 is only one spot welding point P5, and the rear end side of the reinforcing member 23 is located at the rear end side inner surface portion of the shelf board upper wall 17 as shown in FIG. Locked.

Each of the reinforcing members 22 to 24 is attached to the upper wall 17 of the shelf.
Is fixed, the horizontal surface portion 25 of the side portion 20 is positioned on the back surface side of the shelf board upper wall 17, and spot welding is performed by sandwiching the horizontal surface portion 25 between the reinforcing members 22 to 23.

Therefore, according to this embodiment, when reinforcing the front side of the shelf 14, the shape of the front and back of the welded points P 1 and P 2 can be obtained simply by setting the reinforcing member 22 at a predetermined position. Therefore, the spot welding of these welding points P1 and P2 can be performed simultaneously.

Further, while the bent portion 19 located at the lower end of the hanging wall 18 is received by the receiving surface 35, the welding point P 1 is set immediately after the hanging wall 18. In the presence, the strength of the upper and lower regions on the near side of the shelf 14 can be increased. Moreover,
Since the front wall 36 is continuously formed on the receiving surface 36, the necessity of forming the front wall with another member as in the related art is eliminated, and the number of parts can be reduced.
The strength of the entire reinforcing member 22 can also be improved.

In the above embodiment, the first contact surface 31 is configured to directly contact the back surface of the shelf upper wall 17, while the second contact surface 32 is configured to contact the horizontal surface 25 of the side portion 20.
However, the present invention is not limited to this. That is, the horizontal surface portion 25
The upper surface 17 of the shelf and the respective contact surfaces 31 and 32 are spot-welded via the through hole, and the second contact surface 32 also directly contacts the rear surface of the upper plate 17 of the shelf in the same manner as the first contact surface 31. You may make contact. In short, various design changes can be made in the present invention as long as the reinforcing member 22 is provided in such a shape that spot welding can be performed at the same time.

[0025]

The present invention is configured as described above, and
Therefore, according to the present invention, it is possible to simplify the reinforcing work on the rear surface on the front side of the shelf plate, and to provide a sufficient strength while reducing the number of parts, thereby achieving an unprecedented superior effect. it is possible to provide a plate-reinforcing structure.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a display device.

FIG. 2 is a rear view of a main part of the shelf board.

FIG. 3 is a sectional view taken along line AA of FIG. 2;

FIG. 4 is a sectional view of a main part showing a conventional shelf board reinforcing structure.

[Explanation of symbols]

 14 Shelf 17 Shelf upper wall 18 Hanging wall 22 Reinforcement material 31 First contact surface 32 Second contact surface 35 Receiving surface

Claims (1)

(57) [Claims] 1. A shelf board reinforcing structure in which a reinforcing member extending in a longitudinal direction is spot-welded at a plurality of front and rear places on a front back surface of a shelf board upper wall, wherein the reinforcing material is located on a front side of the shelf board upper wall. Including reinforcements located immediately after the hanging wall
The reinforcing member has a gap between itself and the back surface of the shelf board upper wall, and
A flat part located approximately parallel to the wall, and both front and rear ends of this flat part
A first and a second upright portion directed to the shelf board upper wall side from
It is connected to the upper end of each of these standing portions and is located behind the upper wall of the shelf board.
First and second abutting surfaces that are in contact with the two front and rear areas,
A third connecting portion is provided downward from the near side of the first contact surface.
The upright portion and the lower end of the third upright portion
A receiving surface that supports the lower end of the hanging wall and the front of the receiving surface
A front wall rising from a side end, wherein the first and second abutment surfaces are respectively formed on the upper shelf wall.
Shelf plate reinforcement structure characterized by being pot welded .