JP4293930B2 - Grating - Google Patents

Description

  The present invention relates to gratings.

  Conventionally, most of the grating for covering the side groove of the road outside the building and the upper end of the drainage groove formed on the floor surface of the kitchen room inside the building is a crossbar in the holes of a large number of arranged main bars. Is assembled by inserting the main bar and the cross bar.

Patent Document 1 shows an example of a conventional grating. A plate-like cross bar is inserted through holes in a plate-like main bar arranged in parallel, and the cross bar is rotated in the twisting direction to stand up. It is known that a cross bar is fixed to a bar and a grating is assembled.
Japanese Utility Model Publication No.59-160664

  However, the grating made by inserting a cross bar through the holes of the main bar arranged in this way and connecting the main bar and the cross bar has a large number of parts, takes time to assemble, and increases the cost. There was a problem of becoming.

  An object of the present invention is to solve such problems, and to reduce the cost of grating by reducing the number of parts and simplifying assembly.

  In the grating according to claim 1 of the present invention, a large number of main bars are arranged in parallel at equal intervals, and adjacent main bars are integrally connected by a horizontal plate portion at the middle portion in the vertical direction of the main bar. An intermediate block in which connecting portions are integrally projected horizontally from an intermediate portion in the vertical direction of the main bar located at the center, and a plurality of main bars are arranged in parallel at equal intervals, and the main bars are adjacent to each other. A connecting portion that is connected to one connecting portion on one end side of the intermediate block horizontally from the vertical intermediate portion of the main bar located at one end is integrally connected by a horizontal plate portion at the intermediate portion in the vertical direction. One end block provided with a side end bar integrally connected by a horizontal plate portion at the middle portion in the vertical direction on the side of the main bar located at the other end, and a plurality of main bars Equally spaced Are connected together by a horizontal plate portion at the intermediate portion in the vertical direction of the main bar, and are horizontally connected from the vertical intermediate portion of the main bar located at one end to the other end side of the intermediate block. A connecting portion connected to the other connecting portion projects integrally, and a main bar located at the other end is provided with a side end bar integrally connected by a horizontal plate portion at an intermediate portion in the vertical direction. The other end block and a side plate attached to both end faces facing the length direction of the grating, and screws for attaching the side plate are screwed between the connecting portions connecting the blocks. .

  The grating according to claim 2 includes a plurality of intermediate blocks, and adjacent intermediate blocks engage with each other at one connecting portion of one adjacent intermediate block and the other connecting portion of the other intermediate block. It is characterized by that.

  As described above, the grating of the present invention can be assembled easily by connecting the intermediate block and the end block and screwing the side plate, and since the number of parts is small, it is easy to handle and can simplify the assembly. Cost can be reduced. Further, when the side plates are applied to the blocks connected by the connecting portions and screwed, the lateral displacement between the connecting portions can be prevented by the screws, and the engagement between the connecting portions can be performed firmly.

Hereinafter, an embodiment of the present invention will be described in detail with reference to FIGS.
In the figure, reference numeral 1 indicates that a large number of main bars 2 are arranged in parallel at equal intervals, and adjacent main bars 2 and 2 are connected together by a horizontal plate portion 3 at the middle portion in the vertical direction of the main bar 2, and at both ends. This is an intermediate block formed by integrally projecting the connecting portions 4 and 5 horizontally from the intermediate portion in the vertical direction of the main bars 2 and 2 positioned, and forms an intermediate portion excluding both ends in the longitudinal direction of the grating.

  6, a large number of main bars 7 are arranged in parallel at equal intervals, and adjacent main bars 7, 7 are integrally connected by a horizontal plate portion 8 at an intermediate portion in the vertical direction of the main bar 7. A connecting portion 9 that is connected to one connecting portion 4 on one end side of the intermediate block 1 horizontally from the middle portion in the vertical direction of the bar 7 is integrally projected, and on the main bar 7 side that is located at the other end. It is one end block provided with a side end bar 10 that is integrally connected by a horizontal plate portion 8 at an intermediate portion in the vertical direction, and forms one end portion in the longitudinal direction of the grating.

  11, a large number of main bars 12 are arranged in parallel at equal intervals, and adjacent main bars 12 and 12 are connected together by a horizontal plate portion 13 in the middle in the vertical direction of the main bar 12, and the main bar 12 is located at one end. A connecting portion 14 that is connected to the other connecting portion 5 on the other end side of the intermediate block 1 horizontally from the middle portion in the vertical direction of the bar 12 protrudes integrally, and on the main bar 12 side that is located at the other end. Is the other end block provided with the side end bar 15 integrally connected by the horizontal plate portion 13 in the intermediate portion in the vertical direction, and forms the other end portion in the longitudinal direction of the grating.

  These intermediate block 1 and end blocks 6 and 11 are both made by extrusion of aluminum and cut to a desired width. In the intermediate block 1 and the end blocks 6 and 11 cut to a desired width, the horizontal plate portions 3, 8, and 13 have drain holes 3a, 8a, and 13a penetrating in the vertical direction at two locations in the width direction of the block, respectively. In addition, the connecting portions 4, 5, 9, and 14 are cut off at the middle portion in the width direction of each block so that the connecting portions 4, 5, 9, and 14 exist only at both ends in the width direction of each block. Between 5 and 5, the connection part 9 and 9 and the connection part 14 and 14 are made into the drainage hole. Of the connecting portions 4 and 5 of the intermediate block 1, one connecting portion 4 is formed with a stepped portion 4a on the upper surface, and a claw piece 4b is provided at the tip at the lower end and the tip at the upper end of the stepped portion 4a. 4c is formed, and the other connecting portion 5 has a step portion 5a formed on the lower surface thereof, and a claw piece 4b of the one connecting portion 4 and a tip end at the lower end portion and an upper end portion of the step portion 5a, respectively. Claw pieces 5b and 5c that engage with 4c are formed. When connecting a plurality of intermediate blocks 1, the claw pieces 4b and claw pieces 4c of the connecting portion 4 of one adjacent intermediate block 1 and the claw pieces 5b and claw pieces 5c of the connecting portion 5 of the other intermediate block 1 are engaged with each other. In this state, a hole 16 is formed between the connecting portions 4 and 5 in the horizontal direction.

  In addition, the connecting portion 9 of the one end block 6 has the same configuration as the other connecting portion 5 of the intermediate block 1, and a step portion 9 a is formed on the lower surface. Claw pieces 9b and 9c that engage with the claw pieces 4b and 4c of the one connecting portion 4 of the intermediate block 1 are formed at the tip of the upper end portion, respectively. And when this one end block 6 and the intermediate block 1 are connected, the claw piece 4b and claw piece 4c of one connecting part 4 of the intermediate block 1 and the claw piece 9b of the connecting part 9 of one end block 6 and In the state where the claw pieces 9c are engaged with each other, a hole portion 17 having a hexagonal cross section is formed between the connecting portions 4 and 9 in the horizontal direction.

  Further, the connecting portion 14 of the other end block 11 has the same configuration as that of the one connecting portion 4 of the intermediate block 1, and a step portion 14 a is formed on the upper surface, and the tip at the lower end portion of the step portion 14 a. Claw pieces 14b and 14c that engage with the claw pieces 5b and 5c of the other connecting portion 5 of the intermediate block 1 are formed at the front ends of the upper end portions. And when this other end block 11 and the intermediate block 1 are connected, the claw piece 5b and claw piece 5c of the other connecting portion 5 of the intermediate block 1 and the claw piece 14b of the connecting portion 14 of the other end block 11 and In the state where the claw pieces 14c are engaged with each other, a hole 18 having a hexagonal cross section is formed between the connecting portions 5 and 14 in the horizontal direction.

  Further, holes 10a and 15a having substantially the same shape as the holes 16, 17, and 18 are formed in the vicinity of both upper and lower ends of the side end bars 10 and 15 of the end blocks 6 and 11.

  When assembling the grating, the number of intermediate blocks 1 used depends on the length of the grating, and one or more intermediate blocks 1 are used. As described above, the adjacent intermediate blocks 1 connect the claw pieces 4b and claw pieces 4c of the connecting portion 4 of one adjacent intermediate block 1 and the claw pieces 5b and claw pieces 5c of the connecting portion 5 of the other intermediate block 1 to each other. The one end block 6 and the intermediate block 1 which are engaged and form one end in the longitudinal direction of the grating are the claw pieces 4b and claw pieces 4c of the one connecting portion 4 of the intermediate block 1 as described above. The other end block 11 and the intermediate block 1 that engage the claw piece 9b and the claw piece 9c of the connecting portion 9 of the end block 6 and form the other end in the longitudinal direction of the grating are as described above. The claw pieces 5b and claw pieces 5c of the other connecting portion 5 of the intermediate block 1 and the claw pieces 14b and claw pieces 14c of the connecting portion 14 of the other end block 11 are engaged with each other.

  In such a state, the holes 16 formed by connecting the intermediate block 1 and the end blocks 6 and 11 by applying the side plates 19 made by extrusion of aluminum to both end faces facing the length direction of the grating. Grating assembly is completed by screwing the tapping screws 20 into the holes 17 and 18 and the holes 10a and 15a. By screwing screws 20 into the holes 16, 17, 18, the lateral displacement between the connecting parts 4, 5, between the connecting parts 4, 9, and between the connecting parts 5, 14 is prevented. Engagement between the connection parts 4 and 9 and between the connection parts 5 and 14 becomes stronger.

  By the way, the upper and lower end surfaces of the main bar 2 of the intermediate block 1, the upper and lower end surfaces of the main bar 7 and the side end bar 10 of one end block 6, the main bar 12 and the side end portions of the other end block 11 are shown. Concave and convex grooves 21, 22, and 23 are formed in the upper and lower end faces of the bar 15 in the width direction of the grating so as to obtain a non-slip effect. It is also possible to form grooves in the orthogonal direction in place.

  Further, as can be seen from the drawings, in the present embodiment, the intermediate block 1, one end block 6, and the other end block 11 can be used upside down. For the other end block 11, the same block is used upside down.

  The intermediate block 1, the one end block 6, the other end block 11, and the side plate 19 are made by extrusion of aluminum, but may be made by using synthetic resin as a material.

It is a front view of the intermediate block used for grating in one embodiment of the present invention. It is a front view of one end block used for the grating. It is a front view of the other end block used for the grating. It is a front view which shows the state which connected the intermediate | middle block, one end block, and the other end block. It is a front view of the side plate used for the grating. It is side surface sectional drawing of the side plate used for the grating. It is a top view of the grating of the completion state. It is a perspective view of the grating of the completion state. It is a XX arrow line view of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Intermediate block 2 Main bar 3 Plate part 4,5 Connection part 4a, 5a Step part 4b, 4c, 5b, 5c Claw piece 6 One end block 7 Main bar 8 Plate part 9 Connection part 9a Step part 9b, 9c Claw Piece 10 side end bar 10a hole 11 other end block 12 main bar 13 plate portion 14 connecting portion 14a stepped portion 14b, 14c claw piece 15 side end bar 15a holes 16, 17, 18 hole 19 side plate 20 Screw

Claims (2)

A large number of main bars are arranged in parallel at equal intervals, and the adjacent main bars are connected together by a horizontal plate portion at the middle portion in the vertical direction of the main bar, and respectively from the middle portion in the vertical direction of the main bars located at both ends. An intermediate block formed by integrally projecting a connecting part horizontally and a large number of main bars are arranged in parallel at equal intervals, and adjacent main bars are integrated with a horizontal plate part at the intermediate part in the vertical direction of the main bar. The main bar located at the other end is integrally connected to one connecting portion on one end side of the intermediate block horizontally from the vertical middle portion of the main bar located at one end. On the side, one end block with side end bars joined together by a horizontal plate at the middle in the vertical direction, and main bars adjacent to each other with multiple main bars arranged in parallel at equal intervals Between A connecting portion that is integrally connected by a horizontal plate portion at the intermediate portion in the vertical direction of the invar, and is connected horizontally to the other connecting portion on the other end side of the intermediate block from the vertical intermediate portion of the main bar located at one end. The other end block having a side end bar integrally connected by a horizontal plate portion at the middle portion in the vertical direction on the side of the main bar located at the other end, and the length of the grating A grating comprising: a side plate attached to both end faces facing in a direction, wherein a screw for attaching the side plate is screwed between connecting portions connecting the blocks. 2. A plurality of intermediate blocks are provided, and adjacent intermediate blocks are configured such that one connecting portion of one adjacent intermediate block and the other connecting portion of the other intermediate block are engaged with each other. The grating described.

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