JPH102001A - Grating - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily replace a grating by attachably and detachably fixing a panel board having a character or pattern formed on the surface to a part of the upper part of a lid body having a frame plate and a connecting member arranged within the space surrounded by the frame plate. SOLUTION: A frame body is formed by lateral frame plates 11 and longitudinal frame plates 12, a plurality of bearing bars 14 are arranged in parallel to each other at intervals between the frame plates 11, and a plurality of connecting members 14 are arranged in parallel to each other at intervals through the bars 13 between the frame plates 12 to form a lid body 1. Two stripe steel plates 3 are fixed with a space to the lid body 1. Characters 21a, 21b and a pattern 21c are formed on the upper surface of a metal plate, and stud bolts 25A, 25B are protruded on the lower surface of the metal plate to form a panel board 2. The through-hole 261 of the mounting piece 26 of the panel board 2 is fitted to the bolts 25A, 25B, and nuts are screwed to the bolts 25A, 25B, and the mounting piece 26 is pressure connected to the bar 12 to fix the panel board 2 to the lid body 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grating that can be suitably used in entertainment facilities, event venues and the like.

[0002]

2. Description of the Related Art Grating is used on the grounds of large open spaces, gutters of parks and roads (rainwater gutters) to improve drainage, and metal gratings are often used in general from the viewpoint of strength. However, in the case of recreational facilities and event venues, the inorganic luster of the conventional grating often gives an out-of-place image. For this reason, recently, grating with makeup has been devised. For example, a panel plate on which characters, figures, and the like are drawn on a grating is fixed by welding. At recreation facilities throughout the country, including Disneyland, events such as anniversaries and theme parks are often set up. It has become.

[0003]

However, in the conventional panel plate which is fixed by welding, since the panel plate and the grating body are integrated, it is necessary to replace the entire grating every time the ceremony or the like changes. was there.
The gratings were made of metal and heavy, and the replacement work was hard work. Furthermore, various gratings for various events have to be stocked and stored, so that the cost is high and securing of a storage place is also a problem.

[0004] The present invention solves the above problems,
An object of the present invention is to provide a grating that facilitates the work of replacing a grating with makeup of characters and figures, and that can be provided at a low cost and in a small number of storage places even if products related to various events are available. .

[0005]

In order to achieve the above object, the gist of the invention according to claim 1 is to provide a frame plate (11, 12)
And characters (21a, 21b) and graphics on a part of the upper surface of the lid (1) having a plurality of connecting members (13) arranged in a grid in a space surrounded by the frame plate. A grating is characterized in that a panel plate (2) having (21c) formed on a plate surface is detachably fixed. According to a second aspect of the present invention, in the first aspect, a plurality of pairs of stud bolts (25A, 25B) are erected on the lower surface of the panel plate (2).
Each pair of stud bolts (25A, 25B) is located on both sides of the connecting member (13), and a mounting piece (2) is provided between each pair of stud bolts (25A, 25B).
6) is mounted and pressed against the connecting member (13) with a nut (27), whereby the panel plate (2) is detachably fixed to the lid (1). According to a third aspect of the present invention, in the first or second aspect, the striped steel plate (3) is fixed to the lid (1) with a gap from the frame plates (11) on both sides, and furthermore, the striped steel plate (3) is further fixed. Steel plate (3)
The panel plate (2) is detachably fixed to the lid with a space provided between the panel plate and the cover. According to a fourth aspect of the present invention, there is provided the grating according to the first to third aspects, wherein characters or figures of the panel board (2) are formed in the recesses (22), and the recesses are filled with a non-slip color paint. Features.

According to the first aspect of the present invention, since a panel plate having characters and graphics formed on the plate surface is detachably fixed to the lid, various events can be handled by replacing only the panel plate. The pattern can be changed. And
As for the panel board, if you have items related to the event, one lid is enough. Even if several types are required, only the load on the panel plate part is sufficient, the cost is reduced, and the storage space is reduced. According to the second aspect of the present invention, when a plurality of pairs of stud bolts are provided on the lower surface of the panel plate, and the panel plate is detachably fixed to the lid body with mounting pieces and nuts, replacement is easy, and Even if the replacement work is repeated, the mounting part is hardly damaged. According to the third aspect of the invention, since four rows of gaps and intervals can be formed in each grating, drainage of rainwater can be secured while setting the gaps and intervals so that heels of shoes do not enter. According to the invention described in claim 4, since the non-slip color paint is used for the characters and figures on the panel board, it is not limited to the improvement of the landscape by the paint color scheme.
Even if you put your feet there, you will not fall.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the grating according to the present invention will be described in detail. 1 to 5 show an embodiment of the grating of the present invention. FIG. 1 is an exploded perspective view of the grating, FIG. 2 is a perspective view of attaching the grating of FIG. 1 to a side groove, and FIG. 3 is an exploded perspective view of a panel plate. 4 is IV-IV of FIG.
FIG.

[0008] The grating G is a gutter 9 such as a rainwater drain.
Are placed on the support portions 91 on both sides of the. Grating G
The main component is a rectangular lid 1 having a short side equal to the width of the side groove 9 and a long side having a predetermined length, and the lid 1 has metal frame plates 11 and 12 having a fixed height. . The top surfaces of the left and right frame plates 11 are located at substantially the same height as the ground S.
1 is higher than the front and rear frame plates 12 by the thickness of the panel plate 2 described later. A large number of bearing bars (usually I-shaped steels) 13 as connecting members are arranged in parallel between the left and right frame plates 11 at regular intervals in the front-rear direction. still,
The frame 12 generally has the same I as the bearing bar 13.
It is formed of shaped steel. Reference numeral 14 denotes each bearing bar 13
Are connected longitudinally to form a lattice with the bearing bar. Here, flat steel is used as the connecting member 14.
Of course, although not shown, a press-contact type twist bar or the like can be used for the connecting member 14.

At the center of the upper surface of the bearing bar 13, a panel plate 2, which will be described in detail later, is provided in the front-rear direction by connecting them. Furthermore, diamond plate 3,3 of the respective constant width in the front-rear direction at a distance W ₂ are the left and right of the panel board 2 is disposed. The provision of the gap W ₂ is here in the opening O of the grating, in order to ensure the falling portion of the rain water or the like. As is known, the striped steel plate 3 has striped irregularities formed on the plate surface. The two striped steel plates 3, 3 are fixed to the lid ₁ with a gap W1 from the frame plates 11 on both sides. This is to improve drainage. Both ends in the longitudinal direction of the striped steel plate 3 are welded and fixed to the top surfaces of the front and rear frame plates 12.
The striped steel plate 3 has substantially the same thickness as the panel plate 2, and both plate surfaces are substantially the same as the above-described top surfaces of the left and right frame plates 11 (that is, the ground S) (FIG. 2). The lid 1 to which the striped steel plate 3 is fixed is
Usually, the entire plate is plated before the panel plate 2 is attached.

On the panel plate 2, a picture 21c such as a five-storied pagoda or a capital letter mountain is drawn at the center in the longitudinal direction, and characters 21 such as "U" and "Ji" are respectively located in front and behind the picture 21c.
a and 21b are written. The panel plate 2 is composed of two upper and lower plates (FIG. 3). In FIG.
Reference numeral 3 denotes a metal plate having a thickness of, for example, 1.6 mm, and the picture 21c and the characters 21a and 21b described above are drawn on the plate surface by laser cutting. In the part of the picture 21c, a black line shown in the figure is cut out by a laser as a line drawing having a constant width. In this case, the line drawing is cut off at an appropriate position so that the line drawing becomes a closed curve and the plate surface surrounded by the closed line does not fall off.

The characters 21a and 21b are cut out by laser at the width of each part of the character drawn with a brush. The lower plate 24 is a 2.3 mm-thick metal plate, and a pair of stud bolts 25A and 25B are fixed upright on the lower surface of the four corners in parallel with the long sides at intervals. And
The upper surface of the lower plate 24 is joined to the lower surface of the upper plate 23 by spot welding as shown in FIG. Thus, the characters 21a and 21b and the picture 21c on the upper
The lower part of the cutout portion is closed to form a concave portion 22 (FIG. 1). The panel plate 2 is entirely plated (for SS400) or stainless steel (SUS30).
4, SUS316L), the non-slip color paint f is filled in the recesses 22 of the characters 21a and 21b and the picture 21c.

The panel plate 2 is provided with a mounting piece 26 as shown in FIG. 4 between the pair of stud bolts 25A and 25B projecting from the lower surface.
A nut 27 is screwed onto 25B and fixed to the lid 1. That is, when the panel plate 2 is placed at the center of the upper surface of the lid 1 as shown in FIG. 1, each of the pair of stud bolts 25A and 25B projecting from the lower surface thereof, as shown in FIG. 13 are located to the left and right of the same. The mounting piece 26 is formed by bending the center of the long plate material upward and projecting upward (FIG. 1), and forming a hole 261 in both end plate surfaces. The holes 261 are fitted into the left and right stud bolts 25A and 25B, respectively. When the nut 27 is screwed onto each of the stud bolts 25A, 25B, the mounting piece 26 is attached to the stud bolts 25A, 25B.
B is pressed against the bearing bars 13, 13 between
Is fixed to the lid 1. Then, when the entertainment or the like changes, the nut 27 is loosened and replaced with the panel plate 2 having a different pattern. It should be noted that if the bearing bar 13 is cut out at the portion where the mounting piece 26 abuts, the fixing of the mounting piece 26 is stabilized, which is more preferable.

In this embodiment, the upper plate 23 and the lower plate 24
However, for example, the structure shown in FIG. 5 can be adopted. The panel plate 2 shown in FIG. 5 is one in which a single plate is used to directly form a concave portion 22 having a constant depth by laser.

In the grating G thus constructed, the panel plate 2 is composed of stud bolts 25A and 25B,
6, since it can be detachably fixed to the lid 1 by the nut 27, only the panel plate 2 needs to be replaced, and the work of replacing the grating G becomes easy. It is very convenient when trying to enhance the effect of the production due to the pattern of the grating at venues where there are events and events one after another. It can be easily replaced with a panel board with a picture suitable for each event held in the open space, venue, etc.
And since the bolt and nut fixing method is adopted, even if replacement is performed frequently, there is little damage and no trouble occurs. Even if items related to various events are available, it is sufficient to prepare only the panel plate portion, so that there is an advantage that the cost can be reduced and the storage space can be reduced. Furthermore, there is a panel plate 2 having a recessed portion 22 filled with a non-slip color paint f and a striped steel plate 3 having a non-slip function of unevenness located on the left and right sides of the panel plate 2 so that pedestrians and the like can be grating. Prevent slipping when it gets on. Elderly people may have difficulty straddling grating G,
Due to the presence of the panel plate 2 filled with the anti-slip color paint at the center of the grating, it is possible to easily cross the grating by putting a foot on this portion. On the other hand,
Non-slip color paint f is characters 21a, 21b and picture 21c
Is filled in the recess 22 described above, so that the characters 21a, 21b, etc. are clearly displayed on the panel board 2 by contrasting the plating ground color or stainless steel ground color with the anti-slip color paint color to improve the scenery. Useful. In addition, if there are four rows of the gap W ₁ and the interval W ₂ , the width can be narrowed while draining is improved, so that when wearing high heels or the like, it is possible to prevent feet from being taken by grating. . Here, it is more preferable that the gap W ₁ and the interval W ₂ are set to the same length and are as large as possible within a range where the heel does not enter. This is because the drainage effect is maximized while ensuring safety.

The present invention is not limited to the embodiment described above, but can be variously modified within the scope of the present invention depending on the purpose, application, and the like. The shape, size, material, and the like of the lid 1, the panel plate 2, the striped steel plate 3, and the like can be appropriately selected according to the use and the like. Although two bearing bars 13 are provided between the stud bolts 25A and 25B, one or more bearing bars 13 may be provided. Of course, the configuration in which the panel plate 2 is detachably fixed to the lid 1 is not limited to the stud bolt, the mounting piece, and the nut of the present embodiment.

[0016]

As described above, the grating according to the present invention simplifies the work of replacing the grating with the makeup of characters and figures, and also reduces the cost and the number of storage locations, thus reducing the work surface and cost. It has excellent effects on surfaces.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a form of grating according to the present invention.

FIG. 2 is a perspective view of mounting the grating of FIG. 1 to a side groove.

FIG. 3 is an exploded perspective view of a panel plate.

FIG. 4 is a partially enlarged view taken along the line IV-IV in FIG. 2;

FIG. 5 is a sectional view of another type of panel plate.

[Explanation of symbols]

 Reference Signs List 1 lid 11, 12 frame plate 13 bearing bar (connecting member) 14 connecting member 2 panel plate 21a, 21b character 21c figure 22 concave portion 25A, 25B stud bolt 26 mounting piece 27 nut f non-slip color paint

Claims (4)

[Claims] 1. A frame plate (11, 12) and a plurality of connecting members (13) arranged in a grid in a space surrounded by the frame plate.
The letters (21a,
A grating characterized in that a panel board (2) having a board surface 21b) or a figure (21c) formed thereon is detachably fixed. 2. A plurality of pairs of stud bolts (25A, 25B) are erected on the lower surface of the panel plate (2), and each pair of stud bolts (25A, 25B) is connected to the connecting member (1).
3), a mounting piece (26) is mounted between each pair of stud bolts (25A, 25B), and this is connected to the connecting member (1) by a nut (27).
3) The panel plate (2) is pressed against the lid (1).
2. The grating according to claim 1, wherein the grating is detachably fixed to the bracket. 3. The striped steel plate (3) is a frame plate (11) on both sides.
The panel plate (2) is detachably fixed to the lid body with a gap between the panel plate (1) and a space between the both striped steel plates (3). The grating according to claim 1. 4. The grating according to claim 1, wherein characters or figures on the panel board (2) are formed in the recesses (22), and the recesses are filled with a non-slip color paint.