JPH08158461A - Grating fixing structure - Google Patents

Abstract

PURPOSE: To enable a grating provided at the upper end of a drainage ditch to be easily fixed to the drainage ditch without the need for skill. CONSTITUTION: This grating fixing structure has clips 7 each of which comprises a main body portion 8 having an inverted-V-shaped frontal shape and having elasticity and a locking piece 10 projecting from the lower end of each side of the main body portion 8 and having an upward claw 9 at its end. With the clip 7 fitted over the main bar 4 of the grating 1, the claw 9 of the locking piece 10 is locked with the locking piece 11 of a clip holder 12 provided in a support portion 3 formed in a drainage ditch 2, so that the grating 1 is secured to the support portion 3 of the drainage ditch 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixing structure of a grating for fixing a grating or the like, which is provided as a lid for covering the upper end of the drain groove inside or outside the building, to the drain groove.

[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. To prevent the floating of the grating from the
It is the current situation that 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 problems, and an object thereof is to make it possible to easily fix the grating provided at the upper end of the drain groove to the drain groove without requiring any skill. It is what

[0005]

In order to solve this problem, the present invention has a main body having an inverted V-shaped front shape and elasticity, and an upwardly protruding claw protruding from both lower ends of the main body. A clip composed of an engaging piece and
While the clip is placed on the grating main bar from above, the claws of the engaging pieces are engaged with the engaging pieces located on the lower side of the receiving portion formed in the drainage groove, thereby grating the receiving portion of the drainage groove. The gist is to fix it.

[0006]

According to this structure, the clip is placed on the grating main bar, and the claw of the engaging piece at the lower end of the clip is engaged with the engaging piece located below the receiving portion formed in the drain groove to receive the drain groove. It is possible to easily fix the grating to the portion, and it is possible to improve workability without causing a great deal of difficulty in maintenance.

[0007]

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

Although the grating 1 depends on the length of the drainage groove 2, a plurality of the drainage grooves 2 are often used for one drainage groove 2. Alternatively, it is fixed by an elastic clip 7 made of synthetic resin or the like.

The clip 7 is formed by bending a plate material so that the front shape is an inverted V shape. The main body portion 8 has an inverted V shape in the front shape, and the main body portion 8 has horizontal ends from both lower ends. And an engaging piece 10 having an upwardly projecting claw 9 at its tip.

A downward engaging piece 11 for locking the claw 9 of the clip 7 below the receiving portion 3 in the drain groove 2.
The clip holder 12 provided with is attached so that the engagement piece 11 projects from the inner wall surface of the drainage groove 2 below the receiving portion 3. The clip holder 12 is made of metal or synthetic resin and has a receiving member 13 forming the receiving portion 3 and a concrete shoulder portion 14 on which the receiving member 13 rests.
It is sandwiched between and and is supported on the receiving member 13 or the shoulder portion 14 by screwing or the like. The clip holder 12 only needs to be present at a position where the claw 9 of the clip 7 is locked, and in the embodiment shown in the drawings, the end portion of the adjacent gratings 1, 1 has a length that extends over both gratings 1, 1. Exists with a certainness.

Further, in the embodiment shown in the drawings, the main body portion 8 of the clip 7 is covered around the both ends of the main bar 4 adjacent to the main bar 4 located at the end portion in the longitudinal direction of each grating 1 so as to extend from above. By engaging the claws 9 of the engaging pieces 10 with the engaging pieces 11 of the clip holder 12, each grating 1 is fixed to the receiving portion 3 of the drainage groove 2 at positions near both ends in the length direction. Clip 7
A notch concave portion 4a for positioning the clip 7 is formed in the vicinity of both ends of the main bar 4 covered by the. The upper end of the main body portion 8 of the clip 7 engages with the notch concave portion 4a for positioning.

By the way, when fixing the grating 1 to the receiving portion 3 with the clip 7, the body portion 8 of the clip 7 is fixed.
Hold the clip 7 with pliers or a dedicated jig so that the two plate portions of the clip 7 are substantially parallel to each other against the elastic force of the clip 7. The length of the clip 7 is longer than the length from the upper end to the lower end when the clip 7 is opened in an inverted V shape. In this state, the main body 8 of the clip 7 is covered over the main bar 4 of the grating 1 and the lower end is engaged. Position the upward claw 9 of the piece 10 below the engaging piece 11 of the clip holder 12,
By releasing the grip of the clip 7 with the pliers or a dedicated jig, the clip 7 is opened in an inverted V shape, the length from the upper end to the lower end is shortened, and the upward engaging claw 9 of the engaging piece 10 at the lower end is removed. It is adapted to be engaged with the engagement piece 11 of the clip holder 12.

When the fixing of the grating 1 from the receiving portion 3 is released, the two plate portions of the main body portion 8 resist the elastic force of the clip 7 with the pliers or a dedicated jig. By gripping the clip 7 so as to be substantially parallel to each other, the length from the upper end to the lower end of the clip 7 becomes longer, and the upward claw 9 of the engaging piece 10 is disengaged from the engaging piece 11 of the clip holder 12, In this state, the clip 7 may be pulled out above the grating 1.

The first embodiment has been described above. In the first embodiment, the clip holder 12 is supported by being sandwiched between the receiving member 13 and the concrete shoulder portion 14 on which the receiving member 13 rests. However, as in the second embodiment shown in FIG. 4, the clip holder 12 is placed on the upper surface of the receiving member 13,
You may make it support by screwing etc. to 13 and the shoulder part 14. In these two embodiments, the clip holder 12 has a length across both gratings 1,1 at the ends of adjacent gratings 1,1 but has a length over the entire length of the receiving member 13. May be. Further, instead of using the clip holder 12 as a separate member as in the two embodiments, an engaging piece 15 similar to the engaging piece 11 is integrally formed with the receiving member 13 as in the third embodiment shown in FIG. May be provided.

Further, in the first embodiment, the main body portion 8 of the clip 7 extends from above each end of the main bar 4 adjacent to the main bar 4 located at the end of the grating 1 in the longitudinal direction. As shown in FIGS. 6 and 7, the main bars 4 and 4 located at the ends of the adjoining gratings 1 and 4 are fixed to each other as shown in FIGS. 6 and 7. In this state, the main bars 4 and 4 are covered with the clips 7 so that the main body 8 extends from above, and the grating 1 is attached to the drain groove 2.
It is also possible to fix it to the receiving portion 3 of.

Further, in the above-described embodiment, the grating 1 is fixed to the receiving portion 3 of the drainage groove 2 by the clip 7, but adjacent to each other as in the fifth embodiment shown in FIGS. 8 to 10. It is also possible to connect adjacent gratings 1, 1 to each other by interposing a supporting device 16 between every other grating 1, 1.

The support device 16 will be described in detail below.
This support device 16 has both a long body 17 having a substantially U-shaped cross-section at both ends in the longitudinal direction and a main body 17 at a plurality of positions including both ends of the main body 17 in the longitudinal direction. Side plate portion 17a, a screw hole 18 in the vertical direction intermediate portion of the side plate portion 17b,
A bolt 20 screwed into 19 and provided so that its tip projects horizontally from the side plate portions 17a and 17b, and a flat plate-like shape which is attached to the upper end of the main body 17 by the bolt 21 so as to cover the upper end opening of the main body 17. It is composed of a cover 22. More specifically, the main body 17 includes a horizontal plate portion 17c and the horizontal plate portion 17c.
Side plate part 17 that is bent upward at a right angle from both ends in the width direction of
a, 17b, and plate portions 17d, 17d fixed by welding or the like to the longitudinal ends of the side plate portions 17a, 17b bent upward at right angles from the longitudinal ends of the horizontal plate portion 17c, Further, an L-shaped engaging piece 17e projecting from the lower end of the main body 17 by folding outward the portions surrounded by the notches formed at a plurality of positions including the vicinity of both ends of the side plate portions 17a, 17b in the longitudinal direction, It has 17f. This L-shaped engaging piece 17e, 17
Adjacent gratings 1 between f and the bolt 20
The main bar 4 located at the end of the is sandwiched. Also, the side plate portions 17a and 17b and the plate portions 17d and 17 of the main body 17 are
A cover receiver 23 for receiving the cover 22 is provided inwardly in the vicinity of the upper end of the corner portion with d.
23 is provided with a screw hole 24 and the cover 22 is fixed to the main body 17 by screwing the bolt 21 inserted from above into the bolt insertion hole 25 of the cover 22 received by the cover receiver 23 into the screw hole 24. It is like this. A screw hole 26 is formed in each of the plate portions 17d, and the tip of the screw hole 26 has a plate portion 17d.
When the support device 16 is set in the receiving portion 3 of the drainage groove 2 by screwing the bolt 27 so as to project horizontally from the bolt 27,
The tip end of the drainage groove 2 is configured to be pressed against the rising wall 3a of the receiving portion 3, whereby the support device 1 from the drainage groove 2 is formed.
6. By extension, it is possible to prevent theft of Grating 1 reliably. In the portion where the supporting device 16 is not provided between the adjacent gratings 1 and 1, the grating 1 is fixed to the receiving portion 3 of the drain groove 2 by the above-mentioned clip 7.

Further, in each of the embodiments described above, the clip 7 is formed by molding a plate material, but it may be formed by molding a wire material such as a piano wire.

[0019]

As described above, according to the present invention, the main body portion has an inverted V-shaped front shape, and the engaging piece protruding from both lower ends of the main body portion and having the upwardly protruding claws. The grip is easily fixed to the receiving part of the drain by covering the grating main bar with the clip and engaging the claw of the engaging piece with the engaging piece located below the receiving part formed in the drain. Therefore, it is possible to improve workability without causing a great deal of difficulty in maintenance.

[Brief description of drawings]

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

FIG. 2 is a perspective view showing a fixed state of the grating.

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

FIG. 4 is an enlarged sectional view showing a fixed state of grating in the second embodiment of the present invention.

FIG. 5 is an enlarged sectional view showing a fixed state of grating in the third embodiment of the present invention.

FIG. 6 is a perspective view showing a fixed state of grating in a fourth embodiment of the present invention.

FIG. 7 is an enlarged sectional view of the main part.

FIG. 8 is a plan view showing a fixed state of grating in a fifth embodiment of the present invention.

FIG. 9 is an enlarged exploded perspective view of the relevant part.

FIG. 10 is an enlarged cross-sectional view of the relevant part.

[Explanation of symbols]

 1 grating 2 drain groove 3 receiving part 4 main bar 5 cross bar 7 clip 8 body part 9 claw 10 engaging piece 11 engaging piece 12 clip holder 13 receiving member 15 engaging piece 16 support device

Claims (1)

[Claims] 1. A clip comprising a body portion having an inverted V-shaped front face and having elasticity, and an engagement piece projecting from both lower ends of the body portion and having upwardly facing claws at the tip thereof. Fix the grating to the receiving part of the drain groove by engaging the claw of the engaging piece with the engaging piece located below the receiving part formed in the drain groove with the main bar of the grating being covered from above. Fixed structure of grating which is characterized by