JPH07279230A - Bearing device of grating - Google Patents

Abstract

PURPOSE:To make it possible to bear a grating simply by mounting a main bar on the end of the grating adjacent to the inside of a hook section provided to a bearing device main body, and holding the end of the adjoining grating between the hook section and a holding member. CONSTITUTION:A grating 1 is mounted on a receiving section 3. After that, both ends of a bearing device main body 8 are mounted on the receiving section 3 in a state to raise a cover 15 of a bearing device 7. At that time, holding members 11 and 12 are pulled in by fingers against energizing force of coil springs 13 and 14 so that exterior plate sections 11c and 12c of the holding members 11 and 12 are not projected outward. A main bar 4 positioned at the end of the adjoining grating 1 is mounted. Under such a state, when the hand is separated from the holding members 11 and 12, they are moved in the direction projected from the main body 8 to hold the lower end of the main bar 4. According to the constitution, there is no idle between adjacent gratings 1, and the bearing device can be firmly mounted to a drin gutter 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grating supporting device for supporting a grating provided as a lid for covering the upper end of a drain groove inside or outside a building.

[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 problems, and an object thereof is to easily support a grating provided at the upper end of a drainage groove without requiring skill. Is.

[0005]

In order to solve this problem, the present invention provides a grating supporting device which is mounted on a receiving portion formed near the upper end of the inner surface along the lengthwise direction of the drainage groove. A long plate having horizontal plate portions, plate portions on both sides rising at a right angle from the horizontal plate portion, and L-shaped hook portions protruding from the outside of each plate portion so that both ends in the longitudinal direction rest on the receiving portion. A main body is provided, and a pressing member having a plate portion that is supported by the plate portions on both sides of the main body and that sandwiches the adjacent end portions of the grating between the hook portions is provided, and further, the pressing member is provided with the end portions of the grating. A spring for urging in the pinching direction is provided. Further, the present invention is a supporting device for grating placed on a receiving portion formed in the vicinity of the upper end of the inner surface along the lengthwise direction of the drainage groove, the horizontal plate portion and a right angle from the widthwise center of this horizontal plate portion. An elongated main body having a standing plate portion and having both ends in the longitudinal direction resting on the receiving portion is provided, and the end portions of the adjacent gratings are sandwiched between the main body supported by the plate portion of the main body and the hook portion. A pressing member having a plate portion is provided, and a spring for urging the pressing member in a direction of sandwiching the end portion of the grating is provided.

[0006]

With this configuration, the supporting device is positioned between the adjacent gratings, the main bar located at the end of the adjacent grating is placed inside the hook portion provided on the main body, and the hook portion and the plate portion of the pressing member are connected. By sandwiching the ends of the adjacent gratings between them, it is possible to eliminate the play between the adjacent gratings and firmly attach the grating to the drain groove. This work may be performed between gratings, and requires more skill than the conventional work of inserting a bolt into a main bar in a narrow space inside the main bar and screwing a nut onto the bolt as in the conventional case. It is easy to perform, and there is no major difficulty in maintenance, and workability can be improved.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. First, the first embodiment shown in FIGS. 1 to 5 will be described. 1 is placed on both sides along the length direction on a receiving portion 3 formed near the upper end of the inner surface along the length direction of the drainage groove 2. Grating, 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 connected by cross bars 5 orthogonal to the main bars 4, and frame members on both sides along the length direction. 6 is attached.

Although the grating 1 depends on the length of the drain 2, it is often the case that a plurality of drains 2 are used for one drain 2, and a supporting device 7 is provided between adjacent gratings 1 and 1.
Is intervened.

The support device 7 has a long main body 8 having a substantially U-shaped cross-section at both ends in the lengthwise direction, and a main body 8 at a plurality of positions including the vicinity of both ends in the lengthwise direction of the main body 8. Both side plate parts 8a and 8b of the side plate parts 8a and 8b are fitted into horizontally formed slits 9 and 10 in the vicinity of the lower ends thereof.
The pressing members 11 and 12 that can reciprocate in the direction opposite to the direction protruding from the a and 8b, and the pressing members that are provided between the outer surfaces of the side plate portions 8a and 8b and the outer end portions of the pressing members 11 and 12, respectively. Element
Coil springs 13 and 14 for biasing 11 and 12 outwardly from the side plate portions 8a and 8b, and a long cover having a substantially inverted U-shaped cross section that covers the body 8 from above the body 8. It consists of 15 and. More specifically, the main body 8 includes a horizontal plate portion 8c and side plate portions 8a and 8b that are bent upward at right angles from both ends in the width direction of the horizontal plate portion 8c, and the lengths of the side plate portions 8a and 8b are long. It is provided with L-shaped hook portions 8d and 8e protruding outward from the lower end of the main body 8 at a plurality of locations including the vicinity of both ends in the vertical direction. The main body 8 is formed with a stepped recess at the lower ends of both ends in the lengthwise direction, and the stepped parts at the both ends are placed on the receiving portion 3 of the drainage groove 2 and positioned between the lower ends of the both ends in the lengthwise direction. It is configured such that the portion to be placed is located between the receiving portions 3 and 3. Further, the pressing members 11 and 12 fitted into the slits 9 and 10 formed horizontally near the lower ends of the side plate portions 8a and 8b at a plurality of positions including the vicinity of both ends in the length direction of the side plate portions 8a and 8b are horizontal plates. The portions 11a and 12a and the plate portions 11b, 11c and 12 which are bent upward at right angles from the plate portions 11a and 12a.
The coil springs 13 and 14 are provided between the outer end plates 11b and 12b located outside the side plates 8a and 8b and the outer surfaces of the side plates 8a and 8b. The coil springs 13 and 14 are supported by pins 16 and 17 that are horizontally projected on the outer surfaces of the side plate portions 8a and 8b. Further, the cover 15 covers the main body 8 and the side plate portions 8a, 8b.
It is provided with a horizontal plate portion 15a mounted thereon and side plate portions 15b and 15c which are bent downward at right angles from both ends in the width direction of the horizontal plate portion 15a, and one end in the length direction is one end in the length direction of the main body 8. Axis 18
The side plates 15b and 15c are configured so as not to contact the pressing members 11 and 12 when the cover 15 covers the main body 8. The main body 8, the pressing members 11 and 12, and the cover 15 are made of metal such as stainless steel or iron, or synthetic resin. 19 is the main body 8
Is a U-shaped ring attached by welding on the horizontal plate portion 8c at the other end in the length direction, and the U-shaped ring is attached to the body 8 at the other end in the length direction of the cover 15. 19
A slit 20 is formed to insert and to project outward,
By locking the key 21 on the U-shaped ring 19 protruding outward from the slit 20, the cover 15 is prevented from opening, that is, the supporting device 7 is prevented from being stolen.

In the above structure, when laying the grating 1 on the upper end of the drainage groove 2, first, a plurality of gratings 1 are placed side by side on the receiving portion 3 near the upper end of the drainage groove 2, and between the adjacent gratings 1, 1. Position the support device 7. At this time, both ends in the length direction of the main body 8 are placed on the receiving portion 3 with the cover 15 of the supporting device 7 standing upright, and the outer end plate portions 11c, 12c of the pressing members 11, 12 are enlarged outward. The pressing members 11, 12 are pulled in by a finger or the like against the biasing force of the coil springs 13, 14 inside the main body 8 so as not to project, and the ends of the gratings 1, 1 adjacent to the inside of the hooks 8d, 8e. Place the main bars 4 located at. In this state, by releasing the hands from the pressing members 11 and 12, the pressing members 11 and 12 are moved to the coil springs 13,
The urging force of 14 causes the main bars 4 and 4 to move in a direction projecting from the main body 8 and to be located at the ends of the adjacent gratings 1 and 1 between the outer end plate portions 11c and 12c and the hook portions 8d and 8e. Clamp the bottom edge. In this state, the cover 15 is tilted down to cover the main body 8. Next, the key 21 is hooked on the U-shaped ring 19 protruding from the slit 20 at the other end of the cover 15 in the lengthwise direction.

The supporting device 7 may be provided over the entire space between the adjacent gratings 1, 1 as shown in FIG. 5, or as shown in FIG. 6 between the adjacent gratings 1, 1 at appropriate positions. May be. The point is that play between adjacent gratings 1 and 1 is eliminated so that the grating 1 can be firmly attached to the drain groove 2.

By the way, the support device 7 is constructed so that the upper end of the cover 15 is slightly lower than the upper end of the grating 1 when the cover 15 is laid down to cover the main body 8. It is designed so that it is difficult to apply such loads. Further, the upper surface of the cover 15 may be subjected to anti-slip processing, whereby a non-slip effect on the upper surface of the cover 15 can be obtained, and the upper surface of the cover 15 may be colored or a reflection sheet may be attached. As a result, the location of the grating 1 can be known particularly at night, and an accident such as a slip in the laid portion of the grating 1 can be prevented.

In the above embodiment, the pressing members 11 and 12 penetrating the slits 9 and 10 of the side plate portion 8a and the side plate portion 8b.
Are provided in a state of being divided into two, respectively, but a continuous state may be provided. Also, the main body 8
The side plate portions 8a and 8b are connected to each other in the length direction of the main body 8, but may be cut out in the middle to be divided. Furthermore, a plurality of drain holes may be provided in the horizontal plate portion 8c of the main body 8 so that the water that has entered the main body 8 is dropped into the drain groove 2.

Next, the second embodiment shown in FIGS. 7 and 8 will be described. In this second embodiment, a plate portion 8f which rises at a right angle from the widthwise center of the horizontal plate portion 8c of the main body 8 is provided. The slits 9 and 10 are formed at the lower end of the portion 8f,
Pressing members 11 and 12 are fitted in the slits 9 and 10, and coil springs 13 and 14 are provided between the outer surface of the plate portion 8f and the outer end plate portions 11b and 12b of the pressing members 11 and 12, respectively. . The other structure is the same as that of the first embodiment and functions similarly to the first embodiment.

The shapes of the pressing members 11 and 12 and the method of supporting the pressing members 11 and 12 with respect to the main body 8 are not limited to those in the above embodiment.

Next, the third embodiment shown in FIGS. 9 and 10 will be described. In this embodiment, the plate portion 8g which is perpendicular to the side plate portions 8a and 8b at both ends in the length direction of the main body 8 and which is vertically oriented. Is provided, a screw hole 22 is formed in the plate portion 8g, and a bolt 23 is screwed into the screw hole 22 so that the tip of the screw hole 22 protrudes horizontally from the plate portion 8g. When the supporting device 7 is set on the receiving portion 3, the tip of the bolt 23 is configured to be in pressure contact with the rising wall 3a of the receiving portion 3 of the drain groove 2, whereby the supporting device from the drain groove 2 is configured. 7. By extension, theft of the grating 1 can be prevented more reliably.

[0017]

As described above, according to the present invention, the supporting device is positioned between the adjacent gratings, and the main bar located at the end of the adjacent grating is placed inside the hook portion provided on the main body, and the hook portion is provided. By sandwiching the ends of the adjacent gratings between the plate portion of the holding member and the plate portion of the pressing member, it is possible to eliminate the play between the adjacent gratings and firmly attach the grating to the drain groove. This work may be performed between gratings, and requires more skill than the conventional work of inserting a bolt into a main bar in a narrow space inside the main bar and screwing a nut onto the bolt as in the conventional case. It is easy to perform, and there is no major difficulty in maintenance, and workability can be improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state in which a cover of a grating supporting device according to a first embodiment of the present invention is erected.

FIG. 2 is a perspective view showing a state in which a cover of the supporting device of the grating is tilted down.

FIG. 3 is a cross-sectional view showing a state in which a supporting device of the same grating is positioned between adjacent gratings.

FIG. 4 is a cross-sectional view showing a state in which a supporting device for the grating is positioned between adjacent gratings to support the grating.

FIG. 5 is a plan view showing a state in which a supporting device of the grating is positioned between adjacent gratings to support the grating.

FIG. 6 is a plan view showing another usage example of the grating supporting device.

FIG. 7 is a perspective view of a supporting device for grating in a second embodiment of the present invention.

FIG. 8 is a cross-sectional view showing a state in which a supporting device of the same grating is positioned between adjacent gratings to support the grating.

FIG. 9 is an enlarged perspective view of a main part of a grating supporting device according to a third embodiment of the present invention.

FIG. 10 is an enlarged side view of an essential part showing a state in which the supporting device of the grating is set in the drainage groove.

[Explanation of symbols]

 1 grating 2 drain groove 3 receiving part 4 main bar 7 supporting device 8 main body 8a, 8b side plate part 8c horizontal flat plate part 8d, 8e hook part 8f plate part 9,10 slit 11,12 pressing member 11a, 11b, 11c plate part 12a , 12b, 12c Plate part 13, 14 Coil spring 15 Cover 15a Horizontal plate part 15b, 15c Side plate part 18 Shaft 19 U-ring 20 Slit 21 Key

Claims (4)

[Claims] 1. A supporting device for grating mounted on a receiving portion formed near the upper end of an inner surface along the lengthwise direction of a drainage groove, the horizontal plate portion and plates on both sides rising at a right angle from the horizontal plate portion. Section and an L-shaped hook portion protruding from the outer side of each plate portion are provided with an elongated main body whose both ends in the lengthwise direction rest on the receiving portion, and are supported by the plate portions on both sides of the main body. A pressing member having a plate portion for sandwiching an end portion of the grating adjacent to the hook portion is provided, and a spring for urging the pressing member in a direction of sandwiching the end portion of the grating is provided. Characteristic grating support device. 2. A long cover which covers from the top of the main body is provided, and one end in the length direction of the cover is pivotally connected to one end in the length direction of the main body by a shaft, and the length of the cover when the cover covers the main body. 2. The grating supporting device according to claim 1, wherein the other end in the vertical direction is configured to be locked with an antitheft key. 3. A supporting device for grating placed on a receiving part formed near the upper end of the inner surface along the lengthwise direction of the drainage groove, the horizontal plate part and a right angle from the widthwise center of this horizontal plate part. An elongated main body having a standing plate portion and having both ends in the longitudinal direction resting on the receiving portion is provided, and the end portions of the adjacent gratings are sandwiched between the main body supported by the plate portion of the main body and the hook portion. A supporting device for grating, characterized in that a pressing member having a plate portion is provided, and further a spring for urging the pressing member in a direction of sandwiching the end portion of the grating is provided. 4. A long cover which is covered from above the main body is provided, and one end in the length direction of the cover is pivotally connected to one end in the length direction of the main body by a shaft, and the length of the cover in the state where the cover covers the main body. 4. The grating supporting device according to claim 3, wherein the other end in the vertical direction is configured to be locked with an antitheft key.