JPH10306491A - Lattice-shaped floor member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lattice-shaped floor member which can be easily installed without play even when a road face is not a plane or it is a rugged face. SOLUTION: One end of a bar-form member 10 is held in a specified arrangement and kept to be vertically rotatable by a connection structure 20. A direct contact part 11 with a road face 1 is formed at the other end of the bar-form member 10. Even when the road face 1 is not a plane or it is an uneven face, the contact parts 11 of the bar-form members 10 contact along the road face 1 at a number of points to prevent play of the floor member.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grate used as a slope member, a groove cover, a gutter cover, a grate cover, or the like, which is disposed at a stepped portion of a road surface or a floor surface, and a grating used as another floor member. The present invention relates to a floor member in the shape of a letter. More specifically, the present invention relates to a floor member composed of a plurality of bar-shaped members, and more particularly to a lattice-shaped floor member that prevents rattling when installed.

[0002]

2. Description of the Related Art Conventionally, a drain cover, a drain basin cover, a sloped floor member installed on a stepped portion of a road surface or a floor surface, and other floor members are installed on a road surface or a floor surface as they are. Or installed in a frame member attached to a road surface or a floor member.

[0003] By the way, it has been assumed that these floor members have a flat lower surface, that is, a ground contact surface, and are installed on a flat road surface or a floor surface. However, in some cases, the road surface or floor surface is not always an accurate plane, and depending on the construction, the installation surface of the above frame member is not necessarily on a plane, and irregularities are formed on the road surface or floor surface It is often the case. In such a case, three points on the lower surface of the floor member installed on these always contact the road surface or the floor surface, but the other points float from the road surface or the floor surface, and further from the frame member. State.

[0004] For this reason, the installation of these floor members is not stable, and when a vehicle passes over these floor members or walks, the floor members rattle and generate noise. There is a defect.

[0005] In order to prevent such inconvenience, there is a grating fixed to a frame member by bolts or the like. But,
Fixing with bolts in this way makes installation and removal troublesome, and in some cases exposes the bolts and the like, resulting in a problem of impairing the appearance.

In particular, the above-mentioned sloping floor member is installed at a step portion of a road. In many cases, the road surface is not an accurate plane at such a step portion of the road. Rattling is likely to occur.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances. Even when the road surface or floor is not flat or has irregularities, it is only necessary to install the device on the road or floor. An object of the present invention is to provide a grid-like floor member that can be stably installed without rattling, can prevent generation of noise, and can be manufactured at a low cost with a simple structure. is there.

[0008]

According to the first aspect of the present invention, there is provided a grid-like floor member formed by arranging a plurality of bar members, and one end portions of these bar members are connected to each other. And a connecting mechanism for holding the rod members in a predetermined arrangement and rotatably holding the rod members in a vertical direction, and a grounding mechanism formed on the lower surface of the other end of these rod members to contact the road surface or the floor surface. And a grounding unit that performs the operation.

Accordingly, one end of the rod-shaped member is supported by the connecting mechanism, and the grounding portion at the other end of the rod-shaped member is directly grounded and supported on a road surface or a floor surface. Therefore, even when the road surface or the floor surface is not flat or has irregularities, the other end of each of the rod-shaped members is turned up and down so as to match the shape of the road surface or the floor surface. Since the grounding is performed following the road surface or the floor surface, the grounding is stably performed at many places, and the lattice floor member is stably installed, and there is no rattling or noise. Also,
It only needs to be installed on the road or floor,
Since there is no need to fix with bolts or the like, installation and removal are easy. Further, this is merely a rod-shaped member connected by a connection mechanism and held in a predetermined arrangement, and can be manufactured at a low cost with a simple structure.

According to a second aspect of the present invention, an intermediate portion or the other end portion of the rod-shaped member is connected to each other, the other end portion of the rod-shaped member is held in a predetermined arrangement, and the other end of the rod-shaped member is provided. And an auxiliary connecting mechanism that allows the end to move in the vertical direction. Therefore, the other ends of these rod-shaped members are also stably held by the auxiliary connection mechanism, and are structurally strong.

According to a third aspect of the present invention, the connecting mechanism includes a hollow cylindrical member disposed at one end of the rod-shaped member so as to intersect with the rod-shaped member. Fitting slits formed at predetermined intervals are formed on the upper part of the member, and one end of each of the rod-shaped members is fitted in these fitting slits and held in a predetermined arrangement, and these rod-shaped members are formed. One end of the member is rotatably held up and down by a pivot shaft provided along the longitudinal direction in the cylindrical member.

Therefore, these bar-shaped members are stably held in these fitting slits, and even if the cross-sectional shape of the bar-shaped member is vertically elongated, the bar-shaped member can be reliably prevented from falling down. Simple structure, high reliability, easy manufacturing and low manufacturing cost.

According to a fourth aspect of the present invention, the auxiliary connecting mechanism includes a hollow auxiliary cylindrical member disposed at an intermediate portion or the other end of the rod-shaped member so as to intersect with the rod-shaped member. Fitting slits formed at predetermined intervals are formed in the upper part of the auxiliary tubular member, and the middle part or the other end of each rod-like member is fitted in these fitting slits. It is held in a predetermined arrangement, and a sliding guide shaft is provided along the longitudinal direction in the above-mentioned auxiliary tubular member. A long hole along the direction is formed, and the sliding shaft is slidably fitted into the long hole to allow the middle portion or the other end portion of these rod-shaped members to move vertically. Is what it is.

Therefore, the other ends of the rod-shaped members are stably held in the fitting slits, and even if the cross-sectional shape of the rod-shaped member is vertically elongated, the falling of the rod-shaped member can be ensured. In addition, the structure is simple and reliable, and the manufacturing is easy and the manufacturing cost is low.

According to a fifth aspect of the present invention, the connecting mechanism has a predetermined height, and the height from the ground portion to the upper surface of the other end of the rod-shaped member is equal to the height. Is set lower than the height of the connecting mechanism described above, and the rod-shaped members are arranged in an inclined manner to constitute an inclined floor member. Therefore, such a floor member having a slope can be formed, and rattling does not occur as in the conventional slope member of a rigid body such as cast iron.

According to a sixth aspect of the present invention, the height from the ground portion to the upper surface of the other end of the rod-shaped member is set equal to the height of the connecting mechanism. The members are arranged horizontally to form a flat floor member. Therefore, it is possible to form a grating of such a flat lattice-like floor member, that is, a groove cover, a skull cover, and the like, as in a conventional rigid body grating in which bearing bars are integrally joined by a cross bar or the like. No rattling occurs.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below with reference to the drawings. FIGS. 1 to 4 show a first embodiment of the present invention, in which the present invention is applied to a slope-like floor member installed on a step portion of a road surface. As shown in FIG. 2, the sloped floor member is installed on a step 2 portion of a road surface 1 so that a vehicle can easily ride on the step 2 portion, or a pedestrian can use the step portion 2 It makes it easy to walk over.

The inclined floor member is composed of a plurality of rod-shaped members 1.
Zeros are arranged at a predetermined interval so as to be inclined, and have a substantially triangular shape as a whole. These rod-shaped members 10 are made of, for example, a stainless steel strip, and have a vertically long and narrow rectangular cross section, and are configured to increase rigidity and strength against a load of a vehicle or a pedestrian.

One end of each of the rod members 10 is connected and held by a connecting mechanism 20, and is arranged and held at the above-mentioned predetermined intervals. At the lower part of the other end of these rod-shaped members 10, a grounding portion 11 cut obliquely so as to be substantially parallel to the road surface 1 is formed, and this ground portion 11 is directly grounded to the road surface 1. . The height from the grounding portion 11 to the upper surface of the other end of the rod-shaped member 10 is set lower than the height of the connection mechanism 20, and as shown in FIG.
It is configured to be installed on a slope 2 at the step 2 portion of the road surface 1.

The connecting mechanism 20 is configured as follows. The connecting mechanism 20 includes a substantially rectangular hollow tubular member 21 disposed to intersect the rod member 10 at a right angle, and the tubular member 21 is preferably formed by bending a stainless steel plate to form a tube. The abutting portions 28 at both edges are arranged on the lower surface side. Also,
A shaft housing 22 having a substantially semicircular cross section is formed at an upper portion of the cylindrical member 21.

The upper part of the tubular member 21 has a
2, a plurality of fitting slits 23 are formed at predetermined intervals. At both ends of the tubular member 21, the above-mentioned fitting slit is formed as a fitting notch 24 whose side surface is opened. One end of the rod 10 is fitted into the fitting slit 23 and the fitting notch 24. In FIGS. 2 to 4, these fitting portions are drawn as if a gap is formed for easy understanding, but actually, each part does not cause rattling. Are fitted closely together.

Therefore, the other end of the rod-shaped member 10 is fitted in the fitting slit 23 and the fitting notch 24 so as to be rotatable up and down, and that the rod-shaped member 10 falls down. Not held so. Also,
Both ends of the fitting slit 23 and the fitting notch 24 form an upward bearing surface 25, and the lower surface of one end of the rod 10 abuts against the bearing surface 25, and the rod 10 Are supported by these bearing surfaces 25, so that one ends of these rod-shaped members 10 are supported by the cylindrical member 21.

The fitting slit 23 and the fitting notch 24 are formed by forming a slit or a notch in advance on a stainless steel blank constituting the cylindrical member 21 and then forming the stainless steel blank on the blank. The cylindrical member 21 is bent to form the fitting slit 23 and the fitting notch 24.

A pivot 26 is inserted and accommodated in the shaft accommodating portion 22 of the tubular member 21 along the longitudinal direction of the tubular member 21. And this pivot shaft 26
Penetrates through a hole formed at one end of each of the rod members 10 described above, connects the rod members 10 to each other, and allows the rod members 10 to freely rotate up and down about the pivot 26. Is pivoted to. Both ends of the pivot shaft 26 are caulked to form a head 27, and the bar-shaped member 10 and the cylindrical member 21 are integrally assembled by the caulking.
And the cylindrical member 21 are tightened in the axial direction of the pivot 26, and when a horizontal load intersecting with the rod member 10 is applied to the rod member 10, the fitting slit 23 is pushed by the rod member 10. The bar-shaped members 10 are prevented from falling down by being spread.

The pivot 26 can be moved up and down in the shaft accommodating portion 22. When a load is applied to the rod 10, the pivot 26 is moved together with the rod 10. Is slightly lowered, and the lower surfaces of the one end portions of the rod-shaped members 10 abut against the bearing surface 25 as described above and are supported.

The intermediate portion or the other end of the rod 10 is connected to each other by an auxiliary connecting mechanism 30. The auxiliary connection mechanism 30 includes an auxiliary cylindrical member 31 arranged to intersect the rod-shaped members 10 at right angles. The auxiliary tubular member 31 is formed by bending a stainless steel plate or the like into a tubular shape having a substantially rectangular cross section. And
As shown in FIG. 4, on the upper part of the auxiliary tubular member 31,
A fitting slit 33 and a fitting notch 34 having the same configuration as the above-described fitting slit and the fitting notch are formed at a predetermined interval, and an intermediate portion or the other end of the rod-shaped member 10 is formed by the fitting slit. 33 and the fitting notch 34 are slidably fitted up and down.

A pair of sliding shafts 36 are inserted through the auxiliary tubular member 31 in the longitudinal direction.
The sliding shaft 36 is slidably inserted into a vertically long hole 38 formed at the middle or the other end of the rod-shaped member 10. Both ends of these sliding shafts 36 are caulked to form a head 37, and the intermediate portion or the other end of the rod-shaped member 10 and the auxiliary cylindrical member 31 are integrally connected by caulking, These rod-shaped members 1
0 and the auxiliary tubular member 31 are tightened in the axial direction of the sliding shaft 36 to prevent the fitting slit portion 33 from being expanded by these rod-shaped members 10.

By the auxiliary connecting mechanism 30 having such a configuration, the intermediate portion or the other end of the rod-shaped member 10 is held in the above-mentioned auxiliary tubular member 31 without the fitting slit 33 and the fitting notch 34. The rod-shaped members 10 are connected so as not to fall down, and the middle part or the other end of the rod-shaped members 10 slides up and down in the fitting slits 33 and the fitting notches 34, so that these rod-shaped members 10 It is allowed to rotate around the pivot 26.

The slanted floor member constructed as described above has a structure in which the rod-shaped member 10 has the connecting mechanism 20 and the auxiliary connecting mechanism 3.
0, the rods 10 are held in a predetermined arrangement, and these rods 10 are rotatable up and down independently around a pivot 26, so that the other ends of these rods 10 are vertically independent. It is movable.

Therefore, when such a cas corner is installed at the step 2 of the road surface 1, when the road surface 1 is not flat, or when there is a large unevenness, the other end of each of the rod-shaped members 10 described above. Each part rotates separately,
The installation portion 11 at the other end of each rod-shaped member 10 is grounded following the road surface 1. Therefore, since the sloped floor member contacts the road surface 1 at many points, there is no backlash and no noise is generated by running of the vehicle or walking of the pedestrian.

Further, since the slope-shaped floor member need only be installed on the road surface and does not need to be fixed with bolts or the like, the installation work and the removal work are easy. Also,
The sloped floor member has a simple structure as described above, is easy to manufacture, and can be manufactured at low cost.

The present invention is not limited to the first embodiment as described above. For example, FIG.
An embodiment will be described. The tapered portion 23, which becomes narrower as it goes downward, is provided below the fitting slit 23 and the fitting notch 24 of the tubular member 21 of the above-mentioned connecting mechanism.
a, 24a.

In this embodiment, when a load is applied to the bar-shaped member 10, one end of the bar-shaped member 10 fits tightly into the tapered portions 23a and 24a, and the holding of the bar-shaped member 10 is further ensured. It is to prevent the rattling and falling more effectively.

The second embodiment has the same configuration as that of the first embodiment except for the above points. In FIG. 5, portions corresponding to those of the first embodiment are denoted by the same reference numerals. The description is omitted.

FIGS. 6 and 7 show a connecting mechanism 20b according to a third embodiment of the present invention. In this embodiment,
The connecting mechanism 20b includes an L-shaped member 21b formed by bending a stainless steel plate or the like into an L-shape, and an upper edge portion thereof is bent into an inverted U-shape to form a shaft accommodating portion 22b.

This embodiment is suitable for a case where the load is relatively small. The structure of the connecting mechanism 20b is simpler, and it can be manufactured more easily and at a lower cost. Note that this embodiment also has the same configuration as that of the above-described first embodiment except for the above-described points. In FIGS. 6 and 7, portions corresponding to the first embodiment are denoted by the same reference numerals. The description is omitted.

FIG. 8 shows a fourth embodiment of the present invention. In this case, the present invention is applied to a flat grating such as a groove lid or a square lid. In this embodiment, one end of a rod-shaped member 10c is connected by a connection mechanism 20b having a structure similar to that of the third embodiment, and the other end of the rod-shaped member 10c is connected to a grounding portion projecting downward. 1
1c. And this grounding part 11c
From the top to the upper surface of the other end of the rod-shaped member 10c,
The height is set equal to the height of the connection mechanism 20b.

Therefore, in the grating according to the fourth embodiment, for example, when the inside of the edge step 5 of the groove 4 is grounded, the bar-shaped members 10c are arranged substantially horizontally, and constitute a plate-shaped grating. In this embodiment, similarly to the above-described embodiment, even when these edge portions 5 are not along the same plane, or when there are irregularities, the grounding portion 11c of the bar-shaped member 10c is not Grounding follows the edge steps 5 and grounds at a number of points, so that rattling or the like does not occur.

The present invention is not limited to the above embodiment. For example, the configurations of the above-described connection mechanism and auxiliary connection mechanism are not necessarily limited to those of the above-described embodiment,
Various designs are possible as long as they have similar functions, depending on the use conditions and the like.

The cross-sectional shape of the rod-shaped member is not limited to a rectangular shape, but may be T-shaped or another cross-sectional shape. Non-slip irregularities are formed on the upper surface of these rod-shaped members. May be.

The present invention is not limited to the above-described sloped floor members and gratings, but can be applied to a lattice-shaped entrance mat and other floor members in general.

[0042]

As described above, according to the present invention, one end of the bar-shaped member is supported by the connecting mechanism, and the grounding portion at the other end of the bar-shaped member is directly grounded and supported on the road surface or the floor surface. Therefore, even when the road surface or the floor surface is not flat, or when unevenness is formed, the other end of each of the bar-shaped members is turned up and down so as to match the shape of the road surface or the floor surface. Since the grounding is performed following the road surface or the floor surface, the grounding is stably performed at many places, and the lattice floor member is stably installed, and there is no rattling or noise. Further, this device can be simply installed on a road surface or a floor surface, and it is not necessary to fix it with bolts or the like, so that its installation and removal are easy. Further, this is only a rod-shaped member connected by a connecting mechanism and held in a predetermined arrangement, and the effect is great, for example, the structure is simple and it can be manufactured at low cost.

[Brief description of the drawings]

FIG. 1 is a perspective view of a first embodiment of the present invention.

FIG. 2 is a sectional view taken along line 2-2 in FIG. 1;

FIG. 3 is a sectional view taken along line 3-3 in FIG. 2;

FIG. 4 is a sectional view taken along the line 4-4 in FIG. 2;

FIG. 5 is a cross-sectional view corresponding to FIG. 4 of a coupling mechanism according to a second embodiment.

FIG. 6 is a longitudinal sectional view of a connection mechanism according to a third embodiment.

FIG. 7 is a sectional view taken along the line 7-7 in FIG. 6;

FIG. 8 is a sectional view of a fourth embodiment.

[Explanation of symbols]

 10, 10c Rod-like member 11, 11c Grounding part 20, 20b Connecting mechanism 21 Cylindrical member 21b L-shaped member 22, 22b Shaft receiving part 26 Pivot shaft 30 Auxiliary connecting mechanism 31 Tubular member 36 Sliding shaft 38 Slot

Claims (6)

[Claims] 1. A grid-like floor member formed by arranging a plurality of bar-shaped members, wherein one end of each of the bar-shaped members is connected to each other to hold the bar-shaped members in a predetermined arrangement, and A connection mechanism for holding the rod-shaped members rotatably in the vertical direction, and a grounding portion formed on the lower surface of the other end of these rod-shaped members and grounded to a road surface or a floor surface. Floor members. 2. The intermediate portion or the other end of the rod-shaped member is connected to each other, the other end of the rod-shaped member is held in a predetermined arrangement, and the other end of the rod-shaped member is allowed to move in the vertical direction. The lattice floor member according to claim 1, further comprising an auxiliary coupling mechanism. 3. The connecting mechanism includes a hollow cylindrical member disposed at one end of the rod member so as to intersect with the rod member, and is formed at a predetermined interval above the cylindrical member. One end of each of the rod-shaped members is fitted in these fitting slits and held in a predetermined arrangement, and one end of each of the rod-shaped members is connected to the cylindrical member. The lattice floor member according to claim 1, wherein the lattice floor member is rotatably held up and down by a pivot shaft provided along a longitudinal direction thereof. 4. The auxiliary connecting mechanism includes a hollow auxiliary cylindrical member disposed at an intermediate portion or the other end portion of the rod-shaped member so as to intersect with the rod-shaped member. Fitting slits formed at predetermined intervals are formed in the middle portion or the other end of each of the rod-shaped members is fitted in these fitting slits and held in a predetermined arrangement, A sliding guide shaft is provided along the longitudinal direction in the auxiliary cylindrical member, and a long hole along the vertical direction is formed in an intermediate portion or the other end of the rod-shaped member. The slide shaft is slidably fitted in the elongated hole to allow the intermediate portion or the other end portion of the rod-shaped member to move vertically. Lattice floor member. 5. The connecting mechanism has a predetermined height, and a height from the ground portion to the upper surface of the other end of the rod-shaped member is set lower than the height of the connecting mechanism. The grid-like floor member according to claim 1, wherein said bar-like member is arranged in an inclined manner to form an inclined floor member. 6. A height from the ground portion to the upper surface of the other end of the rod-shaped member is set to be equal to the height of the connecting mechanism, and the rod-shaped member is disposed horizontally and has a flat plate-like shape. The lattice floor member according to claim 1, wherein the lattice member constitutes a floor member.