JPH08170362A - Joint member for such as grating - Google Patents

Abstract

PURPOSE: To facilitate the connection of gratings provided on the upper end of a drain gutter without requiring any skill. CONSTITUTION: A joint member 7 is constituted of an elastic main body section 8 with an inverted V-type in the front shape and an interlocking piece 10 having an upward claw 9 on the front end projected in the longitudinal direction of gratings 1 from the lower ends of both ends of the main body section 8, and main bars 4 and 4 located in the longitudinal ends of adjacent gratings 1 and 1 are approached to each other. Under such a state, in the longitudinal end of one grating 1, the main body section 8 of the joint member 7 covers each of a plurality of cross bars 5 linking between the main bars 4 from above, and the upward claw 9 of the interlocking piece 10 is interlocked with the lower end of the main bar 4 loacated in the end of the other grating 1. By the constitution, the main bars 4 and 4 overlapping each other of the adjacent gratings 1 and 1 are held by the main body section 8 of the joint member 7 and interlocking piece 10, and the adjacent gratings 1 and 1 are connected to each other.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting member such as a grating, which is provided as a lid for covering the upper end of a drainage groove inside a building or outside the building and connects the gratings with each other.

[0002]

2. Description of the Related Art Conventionally, a grating which is laid as a cover for covering the upper end of a drain groove depends on the length of the drain groove, but usually a plurality of grooves are used for one drain groove. At present, in order to prevent floating of the grating from above and prevent theft, etc., adjacent gratings are connected by bolts and nuts.

However, in the work of connecting adjacent gratings with, for example, bolts and nuts, the main bars, which are the constituent materials of the gratings located at the ends, are brought close to each other, the bolts are inserted into both main bars, and the nuts are attached to the bolts. Although it is carried out by screwing, it is difficult to insert the bolt into the main bar and screw the nut into the bolt in a narrow space inside the main bar, and there is a problem that skill is required. In addition, the bolts and nuts must be attached and detached every time maintenance such as cleaning of the drainage groove is performed, which causes a problem that the maintenance is very troublesome.

[0004]

SUMMARY OF THE INVENTION The present invention is intended to solve such a problem, and an object of the present invention is to make it possible to easily connect a grating or the like provided at the upper end of a drainage groove without requiring skill. It is a thing.

[0005]

SUMMARY OF THE INVENTION To solve this problem, the present invention is directed to a main body having an inverted V-shaped front surface and having elasticity, and a length of a connected body such as a grating from the lower ends on both sides of the main body. The gist of the present invention is to provide a connecting member that is formed of an engaging piece that protrudes in the vertical direction and has an upwardly facing claw at its tip.

[0006]

With this configuration, when, for example, adjacent gratings are connected to each other, the main bars located at the end portions of the adjacent gratings in the length direction are brought close to each other, and in this state, the main bars at the end portions of the one grating in the length direction are connected. By covering the main body of the connecting member from above on the plurality of crossbars that connect the bars, by engaging the upward claw of the engaging piece with the lower end of the main bar located at the end of the other grating, The main bars of adjacent gratings that overlap each other are gripped by the main body of the connecting member and the engaging piece, and the adjacent gratings are connected by the connecting member.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. The first embodiment shown in FIGS. 1 to 3 will be described. 1 is a grating in which both sides along the length direction are placed on a receiving portion 3 formed near the upper end of the inner surface along the length direction of the drainage groove 2. Made of metal such as stainless steel and iron. More specifically, the grating 1 includes a large number of main bars 4 arranged in parallel with each other at equal intervals, and the main bars 4 are orthogonal to each other and parallel to each other.
The structure is such that they are connected by a book crossbar 5 and frame members 6 are attached to both sides along the length direction.

A plurality of the gratings 1 are used for one drain 2, although it depends on the length of the drain 2, so that a space between adjacent gratings 1 is formed by forming a metal plate. They are connected by the connecting member 7 having elasticity.

The connecting member 7 covers the cross bar 5 located between the main bar 4 located at the end of the grating 1 in the longitudinal direction and the main bar 4 adjacent to the main bar 4 so as to extend from above. It is composed of a main body portion 8 having an inverted V-shaped front shape, and an engagement piece 10 that horizontally protrudes from both lower ends of the main body portion 8 in the length direction of the grating 1 and has an upwardly facing claw 9 at its tip.

When the adjacent gratings 1 and 1 are connected by the connecting member 7 as described above, the main bars 4 and 4 located at the ends of the adjacent gratings 1 and 1 in the longitudinal direction are brought close to each other, and this state is maintained. At the end of the one grating 1 in the longitudinal direction, the two on both sides of the three crossbars 5
The book bar 8 is covered with the main body 8 of the connecting member 7 from above, and the upward claws 9 of the engaging pieces 10 are engaged with the lower ends of the main bars 4 located at the ends of the other grating 1. . Further, at the end of the other grating 1 in the length direction, the main body portion 8 of the connecting member 7 is connected to the central crossbar 5.
Is covered from above and the upward claw 9 of the engaging piece 10 is engaged with the lower end of the main bar 4 located at the end of the one grating 1 in the length direction. As a result, the main bars 4 and 4 of the adjacent gratings 1 and 1 overlapping each other are connected to each other by the connecting member 7.
It is gripped by the main body portion 8 and the engaging piece 10, and the adjacent gratings 1, 1 are connected by the connecting member 7 from both sides. More specifically, when the adjacent gratings 1, 1 are connected by the connecting member 7, the two plate portions of the main body portion 8 of the connecting member 7 resist each other substantially against the elastic force of the connecting member 7. Hold the connecting member 7 with pliers or a dedicated jig so that the connecting member 7 is in a parallel state, and the length from the upper end to the lower end of the connecting member 7 is reversed V
It is made longer than the length from the upper end to the lower end in the opened state in the mold, and in this state, the main body portion 8 of the connecting member 7 is covered over the crossbar 5 of one grating 1 from above, and the engaging piece at the lower end is also provided. The upwardly facing claw 9 of 10 is positioned below the main bar 4 located at the end of the adjacent grating 1, and the connecting member 7 is released by releasing the holding of the connecting member 7 by the pliers or a dedicated jig. Is reverse V
When the mold is opened and the length from the upper end to the lower end is shortened, the upward engaging claw 9 of the lower end is engaged with the lower end of the main bar 4 located at the end of the adjacent grating 1. There is.

When the connection between adjacent gratings 1 and 1 is released, the two plate portions of the main body 8 are connected to each other by the pliers or a dedicated jig. By gripping the connecting member 7 so as to be substantially parallel to each other against the force, the length from the upper end to the lower end of the connecting member 7 is increased, and the upward claws 9 of the engaging pieces 10 are adjacent to each other in the grating 1. It comes off from the lower end of the main bar 4 located at the end, and in this state, the connecting member 7 is attached to the grating 1
Just pull it out above.

The above is a case where adjacent gratings 1 and 1 are connected to each other and the connection is released.
Like the second embodiment shown in FIG. 6, it is possible to connect the plate-shaped lids 12 and 12 having a large number of long holes 11 for water passage with the connecting member 7.

A second embodiment will be described below. A downwardly projecting piece 13 is formed in the central portion in the width direction excluding the portion of the plate-shaped lid 12 on the receiving portion 3 of the drainage groove 2 at the end in the longitudinal direction. Is provided on the back surface of the lid body 12 so as to face in the direction orthogonal to the long hole 11 below the two long holes 11 formed in the end portion in the length direction of the lid body 12 and extending in the width direction. The support rod 14 is welded.

Therefore, in the second embodiment, when the adjacent lid bodies 12 and 12 are connected to each other, the adjacent lid bodies 12 and 12 are
To the support rods 14 exposed in the long holes 11 at the end of the one lid 12 in the longitudinal direction with the projecting pieces 13 and 13 stacked on each other. From above, and the upward claw 9 of the engaging piece 10 is engaged with the lower end of the projecting piece 13 located at the end of the other lid 12 in the longitudinal direction. As a result, the protruding pieces 13, 13 of the adjacent lid bodies 12, 12 that overlap each other are gripped by the main body portion 8 of the connecting member 7 and the engaging piece 10, and the adjacent lid bodies 12, 12 are connected to each other.
Will be connected with. Even in this case, the connecting member 7 connects the adjacent lid bodies 12, 12 while being held by the pliers similar to the first embodiment or a dedicated jig.

Next, a third embodiment shown in FIGS. 7 to 10 will be described. In this third embodiment, adjacent gratings 1,
It is a modification of the first embodiment for connecting one to the other,
In the first embodiment, the crossbar 5 is covered with the main body 8 of the connecting member 7 from above at the end of the one grating 1 in the lengthwise direction, and the upwardly facing claw 9 of the engaging piece 10 of the connecting member 7 is placed on the other side. Is engaged with the lower end of the main bar 4 located at the end of the grating 1, but in the third embodiment, in order to connect the adjacent gratings 1, 1 to each other, the lengths of the adjacent gratings 1, 1 are The main bars 4 and 4 located at the end portions in the directional direction are brought close to each other, and are overlapped with each other in such a state. The lengthwise ends of the adjacent gratings 1 and 1 are covered with elastic holder members 15 formed by molding a metal plate from above the main bars 4 and 4 at the lengthwise ends at the position of the book crossbar 5. On both sides in the section The claws 9 of the connecting member 7 covered with the two crossbars 5 are attached to the engaging pieces 16 at the lower end of the holder member 15.
The adjacent gratings 1, 1 are connected to each other by engaging with each other.

The holder member 15 covers the upper portions of the main bars 4 and 4 which are overlapped with each other in the lengthwise ends of the adjacent gratings 1 and 1 and is covered with the main body portion 17 having a substantially V-shaped front shape. Plate portions 18 and 18 that horizontally protrude from the lower end of the main body portion 17 in the same plane, and downward engaging pieces 16 and 16 formed on the outer surfaces of the main body portion 17 and the plate portions 18 and 18 over the entire length, The plate portions 18 and 18 are composed of protrusions 19 and 19 formed upward at the tips. The plate parts 18, 18
Is located below the crossbar 5 and is on the lower surface of the crossbar 5 in a state in which the main body part 17 is covered from above the main bars 4 and 4 which overlap each other at the longitudinal ends of the adjacent gratings 1 and 1. Made to abut. In the embodiment shown in the drawings, the lower end of the main body 17 of the holder member 15 spreads out in an almost inverted V shape, and the two plate portions of the main body 17 resist the elastic force of the holder member 15 and become substantially parallel to each other. Hold the holder member 15 with pliers or a dedicated jig so that the length from the upper end to the lower end of the holder member 15 is the length from the upper end to the lower end when the holder member 15 is opened in a substantially inverted V shape. In this state, the main body portion 17 of the holder member 15 is covered from above the main bars 4 and 4 that overlap each other at the longitudinal end portions of the adjacent gratings 1 and 1, and the plate portions 18 and 18 are covered. The holder member 15 is positioned below the crossbar 5 and the holder member 15 is released from the upper end to the lower end by releasing the holding of the holder member 15 by the pliers or a dedicated jig. Plate 18 The upper ends of 18 and 18 come into contact with the lower surface of the crossbar 5.

That is, in the third embodiment, the downwardly facing engaging pieces 16 of the holder member 15 covered from above the main bars 4 and 4 overlapping each other at the longitudinal ends of the adjacent gratings 1 and 1 are adjacent to each other. Adjacent gratings 1, 1 are connected to each other by engaging the claws 9 of the connecting member 7 covering the two crossbars 5 on both sides at the lengthwise ends of the matching gratings 1, 1. .

By the way, in the above-mentioned three embodiments, the connecting member 7 is formed by molding a metal plate, but it may be formed by molding a metal rod. Also,
It can also be made by molding a synthetic resin. further,
The holder member 15 used in the third embodiment can also be made by molding synthetic resin.

[0019]

As described above, according to the present invention, the body has an inverted V-shaped front surface and has elasticity, and the lower end on both sides of this body protrudes in the lengthwise direction of the connected body such as grating and the tip. With the connecting member composed of the engaging piece having the upward claw, the gratings provided at the upper ends of the drainage grooves and the lids can be easily connected without skill. This work is easier and requires less skill than the conventional work of inserting the bolts into the main bar in a narrow space inside the main bar and screwing the nuts onto the bolts. Therefore, workability can be improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state before connecting gratings in a first embodiment of the present invention.

FIG. 2 is a perspective view showing a connected state of the gratings.

FIG. 3 is an enlarged sectional view of the same.

FIG. 4 is a perspective view showing a state before the lids are connected to each other in the second embodiment of the present invention.

FIG. 5 is a perspective view showing a connected state of the lids.

FIG. 6 is an enlarged sectional view of the same.

FIG. 7 is a perspective view showing a state before connecting gratings in a third embodiment of the present invention.

FIG. 8 is a perspective view showing a connected state of the gratings.

FIG. 9 is an enlarged perspective view of an essential part showing a connected state of the gratings.

FIG. 10 is an enlarged sectional view of the same.

[Explanation of symbols]

 1 Grating 2 Drainage groove 3 Receiving part 4 Main bar 5 Cross bar 7 Connecting member 8 Main body part 9 Claw 10 Engaging piece 11 Long hole 12 Lid body 13 Projecting piece 14 Supporting bar 15 Holder member 16 Engaging piece 17 Main body part 18 Plate 19 Projection

Claims (1)

[Claims] 1. A body portion having an inverted V-shaped front shape and having elasticity, and an engaging piece having a claw upwardly protruding from a lower end on both sides of the body portion and protruding in a longitudinal direction of a connected body such as a grating. A connecting member such as a grating, which is configured by