JP2001159189A - Foreign matters accumulation preventing device in grating ditch cover - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a foreign matters accumulation preventing device capable of preventing the accumulation on a receiving edge for foreign matters contained in draining in a grating ditch cover borne by a pair of receiving edges providing both side edges to the upper parts of both side walls in a water channel and covered by the water channel. SOLUTION: A coated member 12 for covering receiving edges 9 and 9 is placed to both side edges 10 and 10 of a grating ditch cover 1, and foreign matters such as small dirt, sludge or the like contained in draining are prevented from being accumulated on the receiving edges 9 by coating operation of the coated member 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for preventing foreign matter from accumulating on a gutter groove cover attached to a water channel such as a drain channel.

[0002]

2. Description of the Related Art A plurality of main bars and an appropriate number of crossbars arranged in parallel at a predetermined interval are assembled in a lattice shape in a groove cover attached to a water channel, and each main bar is provided with a plurality of main bars. There is known a grating groove cover in which side bars are respectively extended along both end portions.

In the grating groove cover a, both side edges c where the side bar b is located are supported by receiving edges f provided on the upper side wall e of the water passage d as shown in FIG. And is attached to the water channel d. Then, drainage such as rainwater or sewage can flow into the water channel d from a gap formed between the adjacent main bars g.

[0004]

By the way, drainage such as rainwater and sewage often contains foreign matter such as small trash and mud, and these foreign matter together with the drainage flow through the water channel d.
However, drainage containing foreign matter flowing from the surrounding pavement flows into the groove cover a mainly from the side edge c of the grating groove cover a, and the inside surface of the side bar b,
In order to flow down along the end side surface of each main bar g close to the inner side surface, on the receiving edge f located thereunder, the receiving edge f
As shown by a dashed line in FIG. 10, there is a problem that foreign matter x that does not completely flow is gradually deposited on a right-angled corner portion generated by the side bar b and the main bar g. Further, when the foreign substance x is deposited in this way, there is a problem that the aesthetic appearance is poor and the removal of the foreign substance takes time.

An object of the present invention is to provide an apparatus for preventing foreign matter from accumulating in a grating groove cover capable of solving such a problem.

[0006]

SUMMARY OF THE INVENTION The present invention comprises a plurality of main bars arranged in parallel at a predetermined interval, and both side edges at which both ends of each main bar are located are arranged on upper portions of both side walls of the water channel. In the grating groove lid supported on the pair of receiving edges and attached to the water channel, on both side edges of the grating groove lid,
A foreign matter accumulation preventing device in a grating groove cover, wherein a covering member for covering a receiving edge is provided.

In this configuration, since the receiving edges are covered by the covering members disposed on both side edges of the grating groove lid, foreign matters such as small dust and mud included in the drainage are deposited on the receiving edges. Does not accumulate.

In the above structure, the covering member is provided between the adjacent main bars and has a downward inclined surface extending from a side edge of the grating groove cover to an inner end side of the receiving edge. It may be.

As means for forming the downwardly inclined surface, the covering member may be constituted by an inclined plate which is inclined downward from the side edge of the grating groove cover to the inner end side of the receiving edge, or may be received from the side edge of the grating groove cover. A configuration constituted by a resin block having a downward inclined surface reaching the inner end side of the edge can be proposed as a preferred embodiment.

[0010] As described above, the provision of the downwardly sloping surface on the covering member that covers the receiving edge causes a guide action of flowing water, and drainage containing foreign matter flowing in from the side edge of the grating groove lid flows along the downwardly sloping surface. Flow smoothly and can be dropped directly from the end of the inclined surface into the water channel.

The covering member is provided between a horizontal plate portion extending outward from the side edge of the grating groove cover at substantially the same height as the upper surface of the grating groove cover and each of the adjacent main bars, It may be constituted by a plurality of inclined plate portions which are downwardly inclined from the side edge of the grating groove cover to the inner end side of the receiving edge continuously from the horizontal plate portion.

In this configuration, as described above, the lower inclined surface of the inclined plate portion provides a running water guiding action, and the horizontal plate portion extends outward from the side edge of the grating groove lid. Accordingly, the gap formed on the outer side of the grating groove cover can be covered, so that drainage does not flow into the gap, and the accumulation of foreign matter in the gap can be prevented.

Further, in the above-mentioned configuration, a configuration may be proposed in which the receiving edge is extended to the outside of the water passage groove and is connected to a supporting edge for supporting the horizontal plate portion. In this manner, by providing the support edge for supporting the horizontal plate portion on the receiving edge, it becomes possible to uniformly support the horizontal plate portion without play by the support edge. In addition, a configuration has been proposed in which an outer edge of the supporting edge has a projection height substantially equal to the thickness of the horizontal plate portion, and a defined projection edge that defines the height of the upper surface of the side wall of the water passage channel. obtain. Then, by performing the work by matching the height of the upper surface of the specified protruding edge with the upper surface of the side wall of the water channel, the upper surface of the horizontal plate portion supported by the support edge, and the upper surface of the side wall of the water channel. Can be made substantially flush. Thereby, a step due to the thickness of the horizontal plate portion does not occur, and the danger of tripping on the end of the horizontal plate portion can be eliminated.

Further, the covering member may be constituted by a band-shaped covering plate disposed on the both side edges of the grating groove cover along the side edges. In this configuration, it is only necessary to fix the two strip-shaped covering plates on both side edges of the grating groove cover via joining means such as welding, so that the production is easy and hassle-free, and the production cost is low. Can be reduced.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of a foreign matter accumulation preventing device in a grating groove cover according to the present invention will be described with reference to FIG.
3 will be described.

The grating groove cover 1 includes a plurality of main bars 2 arranged in parallel at a predetermined interval, two side bars 3 respectively extended along both ends of each main bar 2, and orthogonal to each main bar 2. And a suitable number of crossbars 4 arranged in the shape of a circle. Here, for the main bar 2 and the side bar 3, a strip-shaped metal member is used.
The crossbar 4 is formed of a rod-shaped metal rod having a square cross section and twisted around an axis, and these are integrally assembled via joining means such as welding. The two side bars 3 extended along both ends of each main bar 2 are for connecting the ends of each main bar 2 to increase the robustness of the grating groove cover 1. In the first embodiment, the side bar 3 is disposed on the outer end face of the main bar 2.

On the other hand, L-shaped receiving frames 8, 8 are disposed opposite to each other on the upper side walls 6, 6 of the water passage groove 5, such as a drain groove, on which the grating groove cover 1 is attached. The horizontal edges of the receiving frames 8, 8 are used as receiving edges 9, 9 of the grating groove cover 1. Then, on the receiving edges 9, 9, both side edges 10, 1 of the grating groove cover 1 where the side bars 3, 3 are located.
The grating groove cover 1 is attached to the water channel 5 by mounting and supporting the zero. In this attached state, as shown in FIG. 2, the upper surface 11 of the grating groove cover 1 and the upper surface 7 of the side wall of the water passage channel 5 are made to be substantially the same height.

Both edges 10, 1 of the grating groove cover 1
0, a covering member 12 covering the receiving edges 9, 9 in the attached state.
Are provided, and the covering member 12 constitutes a foreign matter accumulation preventing device. In this first embodiment, as shown in FIG.
As shown in FIG. 3, the inclined plate 13 is disposed between the adjacent main bars 2 and 2 so that the inclined plate 13 is inclined downward. The part is fixed to the side bar 3 and the main bar 2 via a joining means such as welding. Here, the inclined plate 13 has a lateral width substantially equal to the interval between the adjacent main bars 2 and 2, so that the receiving edge 9 located at the lower part can be covered almost entirely. The lower end of each inclined plate 13 is vertically bent downward at a position further inward from the inner end of the receiving edge 9 and protrudes from the lower end of the main bar 2. It is set to 14. The upper surface of the inclined plate 13 is a lower inclined surface 15 extending from the side edge 10 of the grating groove cover 1 to the inner end of the receiving edge 9.

In such a configuration, when drainage containing foreign matter such as small dust and mud flowing from the surrounding pavement flows into the groove cover 1 from the side edge 10 of the grating groove cover 1, the coating is performed. A guiding action of flowing water is generated by the lower inclined surface 15 of each inclined plate 13 as the member 12, and the drainage smoothly flows from the upper part of the side bar 3 along the lower inclined surface 15,
The water drops directly from the draining edge 14 at the end of the inclined surface 15 to the water channel 5. In addition, as described above, the lower inclined surface 15 of the inclined plate 13 provides a guide function of directly guiding the drainage to the water channel 5, and at the same time, the receiving edge 9 is covered by the inclined plate 13, Accumulation of foreign matter in the drainage on the receiving edge 9 can be prevented.

In the above-described embodiment, the inclined plate 13 constituting the covering member 12 is divided into a plurality of parts. However, the inclined plate 13 is formed so that the drain edge 14 at the lower end portion is continuous. It may be. In this integral formation, a plurality of notched grooves corresponding to the thickness of the main bar 2 are formed by punching or the like at intervals of the adjacent main bars 2 on a strip of a required size. Later, it may be achieved by bending the continuous draining edge 14 portion.
By integrally forming the inclined plate 13 in this manner, there is an advantage that the inclination angles of the respective lower inclined surfaces 15 can be easily adjusted, and the number of welding points can be reduced to simplify the mounting operation.

FIGS. 4 and 5 show a modified embodiment of the first embodiment. In this embodiment, a covering member 12 for covering a receiving edge 9 is shown.
A horizontal plate 13a extending outward from the side edge 10 of the grating groove cover 1 at substantially the same height as the upper surface 11 of the grating groove cover 1 and the adjacent main bars 2 and 2. And a plurality of inclined plate portions 13b inclined downward from the side edge 10 of the grating groove cover 1 to the inner end side of the receiving edge 9 so as to be continuous with the horizontal plate portion 13a. And
The upper surface of the inclined plate portion 13b is a lower inclined surface 15 extending from the side edge 10 of the grating groove cover 1 to the inner end side of the receiving edge 9. Further, in this embodiment, the side bar 3 is arranged on the lower surface of the end of the main bar 2.

Here, the grating groove lid 1 attached to the water passage groove 5 via the receiving frames 8, 8 is provided between the outer portion thereof and the vertical edge 8 ′ of the receiving frame 8. Usually, a slight gap s for facilitating attachment / detachment of the device 1 is formed. In the first embodiment, as shown in FIG.
Since the upper portion of the gap s is open, the gap s
There is a possibility that wastewater containing foreign matter such as small dust and mud flows into the gap, and the foreign matter is deposited in the gap s. Therefore, in this modified example, the gap s is covered by the horizontal plate portion 13a of the covering member 12.

The horizontal plate portion 13a and the plurality of inclined plate portions 13b constituting the covering member 12 are provided with a plurality of inclined plate portions substantially corresponding to the interval between the main bars 2 and 2 with respect to the strip having a required size. 13b is formed integrally by inclining each inclined plate portion 13b downward at a predetermined angle after forming the horizontal plate portion 13a from the side edge 10 of the grating groove cover 1 by punching with a press or the like. Each of the inclined plate portions 13 is projected in a state of protruding outward at substantially the same height as the upper surface.
b is disposed between each of the adjacent main bars 2 and 2, and a required portion is fixed to the main bar 2 through a joining means such as welding. As a result, the horizontal plate 13a covers the upper part of the gap s formed on the outside of the grating groove cover 1, and the inclined plate 13b is continuous with the horizontal plate 13a.
To cover the receiving edge 9 substantially entirely.

On the other hand, a supporting edge 19 is connected to a receiving edge 9 arranged on the upper side wall 6 of the water passage channel 5 via a vertical edge 8 ′ of the L-shaped receiving frame 8. The supporting edge 19 is formed by connecting the vertical edge 20 ′ of the inverted L-shaped member 20 ′ to the vertical edge 8 ′ of the receiving frame 8.
Is fixed to the outer surface of the water channel 5 by welding or the like, so that the horizontal plate portion 13a of the covering member 12 is supported by the supporting edge 19. . At the outer end of the supporting edge 19, a projecting height substantially coincides with the thickness of the horizontal plate portion 13a, and a projecting edge 21 which defines the height of the upper surface 7 of the side wall of the water passage groove 5 projects upward. Has been established. Then, the height of the upper surface of the defined ridge 21 is made to coincide with the upper surface 7 of the side wall of the water passage channel 5, thereby performing
The upper surface of the horizontal plate portion 13a supported by the support edge 19 and the upper surface 7 of the side wall of the water passage 5 are substantially flush.

In this configuration, the horizontal plate portion 13a of the covering member 12 covers the gap s generated on the outer side of the grating groove cover 1, so that small dust and mud flowing from the surrounding pavement surface can be obtained. Wastewater containing foreign substances such as
It passes over the horizontal plate portion 13a and flows to the inclined plate portion 13b. Thereby, the gap s on the outer side of the grating groove cover 1
The drainage does not flow into the gap s, and the accumulation of foreign matter in the gap s can be prevented. Further, the drainage flowing to the inclined plate portion 13b via the horizontal plate portion 13a smoothly flows along the lower inclined surface 15 of the inclined plate portion 13b, and falls directly from the end thereof into the water channel 5. Become. As described above, the lower inclined surface 15 of the inclined plate portion 13b provides a guiding action for guiding the drainage to the water channel 5, and at the same time, the receiving edge 9 is covered by the inclined plate portion 13b. In addition, it is possible to prevent foreign matters from being accumulated in the drainage on the receiving edge 9.

Further, since the supporting edge 19 for supporting the horizontal plate portion 13a is coupled to the receiving edge 9, the supporting edge 19
Thereby, the horizontal plate portion 13a can be supported uniformly without play. In addition, since the upper surface of the horizontal plate portion 13a and the upper surface 7 of the side wall of the water passage 5 can be constructed substantially flush with each other by the defined protrusion 21 provided at the outer end of the support edge 19, There is no step due to the thickness of the horizontal plate portion 13a, and it is possible to eliminate the risk of tripping at the end of the horizontal plate portion 13a.

In this embodiment, a separately formed inverted L-shaped member 20 is fixed to the receiving frame 8 so that the supporting edge 19 for supporting the horizontal plate portion 13a is connected to the receiving edge 9. However, instead of this, the receiving edge 9 and the horizontal plate portion 13a may be integrally formed.

FIGS. 6 and 7 show a second embodiment. In this embodiment, the covering member 12 covering the receiving edge 9 extends from the side edge 10 of the grating groove cover 1 to the inner end side of the receiving edge 9. Downward slope 1
5 is constituted by a resin block 16 having an upper surface. The resin block 16 is located at both side edges 10 and 10 of the grating groove cover 1 and adjacent main bars 2 and 2.
The receiving edges 9 are located between the two, so that the receiving edge 9 located at the lower portion can be covered almost entirely. This resin block 16
It is desirable that the material is excellent in weather resistance and chemical resistance. For this, a synthetic resin such as an epoxy resin or a polypropylene resin can be suitably used. In addition, the resin block 16 is formed in such a manner that, with the grating groove cover 1 turned upside down, the formwork is obliquely addressed from the side bar 3 between the main bars 2 and 2 on both side edges 10 and 10 thereof. Forming means may be used in which a filling space having an inverted triangular cross section is provided, and the filling space is filled with the synthetic resin solution and solidified. Thereby, the resin block 16 is fixed to and integrated with the main bars 2 and 2 and the side bar 3. In addition, the resin block 1
6 may be formed separately and fixed using an adhesive.

Even in such a configuration, similarly to the first embodiment, the drainage containing foreign matter flowing from the side edge 10 of the grating groove cover 1 is guided by the downwardly inclined surface 15 by the guiding action.
Since the receiving edge 9 can be directly dropped from the end of the inclined surface 15 to the water passage groove 5 and the receiving edge 9 is covered by the resin block 16, the accumulation of foreign matter on the receiving edge 9 can be prevented. Can be.

FIGS. 8 and 9 show a third embodiment. This embodiment has a structure in which the both sides 10 and 10 of the grating groove cover 1 are provided.
The band-shaped covering plates 17 and 17 are respectively arranged, and the covering members 12 that cover the receiving edge 9 by the respective band-shaped covering plates 17 are respectively formed. The two strip-shaped covering plates 17, 17 are made of a metal plate having a required width from the side bar 3 to the center of the grating groove cover 1 and having a length corresponding to the grating groove cover 1. Is a grating groove cover 1
Are arranged along the longitudinal direction on both side edges 10 and 10, and required portions are fixed to the main bar 2 and the side bar 3 by joining means such as welding. In the arrangement state of the band-shaped covering plates 17, the water gap 18 having a required width is provided between the edges near the center of the both band-shaped covering plates 17.
Is caused to occur.

In such a configuration, the drainage containing foreign matter flowing from the surrounding pavement is covered with both side edges 1 of the grating groove cover 1.
When the water reaches 0 and 10, the drainage further flows on the strip-shaped covering plate 17 and falls directly from the water gap 18 to the water channel 5. And since the receiving edge 9 is covered with the covering member 12 made of the band-like covering plate 17,
Accumulation of foreign matter on the receiving edge 9 can be prevented. The configuration of this embodiment is similar to that of the two strip-shaped covering plates 1.
Since it is only necessary to fix the members 7 and 17 on both side edges 10 and 10 of the grating groove cover 1 through joining means such as welding, respectively, it is easy to manufacture, requires no labor, and can reduce the manufacturing cost. Becomes

In each of the above-described embodiments, the grating groove cover 1 having two side bars 3 respectively extended along both ends of a plurality of main bars 2 arranged in parallel at a predetermined interval. As described above, the foreign matter accumulation preventing device according to the present invention can be applied to a grating groove lid having no side bar 3.

[0033]

As described above, according to the present invention, since the covering members 12 for covering the receiving edges 9, 9 are disposed on the both side edges 10, 10 of the grating groove cover 1, the covering members 12 are included in the drainage water. It is possible to prevent the accumulation of foreign matter such as small dust and mud on the receiving edge 9. Thereby, the aesthetics are improved, and the work of removing foreign matter can be made unnecessary.

The covering member 12 is provided with a lower inclined surface 15 which is disposed between the adjacent main bars 2 and 2 and extends from the side edge 10 of the grating groove cover 1 to the inner end side of the receiving edge 9. With the inclined plate 13 and the resin block 16, it is possible to prevent the accumulation of foreign matter on the receiving edge 9 by the covering action of the inclined plate 13 and the resin block 16, and to guide the flowing water by the lower inclined surface 15. The effect is obtained, and the drainage can smoothly flow down from the upper part of the side edge 10 of the grating groove lid 1 along the downward inclined surface 15 and flow directly into the water passage channel 5.

Further, the covering member 12 is formed by disposing a horizontal plate portion 13a extending outward from the side edge 10 of the grating groove cover 1 at substantially the same height as the upper surface 11 of the grating groove cover 1 and the adjacent main members. A plurality of inclined plate portions 13b disposed between the bars 2 and 2 and inclined downward from the side edge 10 of the grating groove cover 1 to the inner end side of the receiving edge 9 so as to be continuous with the horizontal plate portion 13a. As a result, the lower inclined surface 15 of the inclined plate portion 13b provides a running water guiding action, and the horizontal plate portion 13a extending outward from the side edge 10 of the grating groove cover 1 allows the outer side of the grating groove cover 1 to be provided. The gap s generated in the portion can be covered.
The drainage does not flow into the inside, and the accumulation of foreign matter in the gap s can be prevented.

Further, in the above configuration, the supporting edge 9 is extended to the outside of the water passage channel 5 and is connected to the supporting edge 19 for supporting the horizontal plate portion 13a. 19 allows the horizontal plate portion 13a to be supported uniformly without play. Further, at the outer end of the support edge 19, a defined projection edge 21 whose projection height substantially matches the thickness of the horizontal plate portion 13 a and which defines the height of the side wall upper surface 7 of the water passage channel 5 is formed upward. As a result, the horizontal plate portion 13a is
And the upper surface of the side wall 7 of the water channel 5 can be constructed so as to be substantially flush with each other, so that a step due to the thickness of the horizontal plate portion 13a does not occur, and the end of the horizontal plate portion 13a The danger of tripping can be eliminated.

Further, the covering member 12 is constituted by band-shaped covering plates 17, 17 disposed on the both side edges 10, 10 of the grating groove cover 1 along the side edges 10, 10. By the covering action of the strip-shaped covering plates 17, 17, the accumulation of foreign matter on the receiving edge 9 can be prevented, and the two strip-shaped covering plates 17, 17 can be welded on both side edges 10, 10 of the grating groove cover 1. Since the covering member 12 can be constituted only by being fixed to each other through the joining means of
It is easy to manufacture, requires no labor, and has excellent effects such as a reduction in manufacturing cost as compared with the case where the inclined plate 13 and the resin block 16 are used.

[Brief description of the drawings]

FIG. 1 is a plan view showing a grating groove cover provided with a foreign matter accumulation preventing device according to a first embodiment of the present invention.

FIG. 2 is a longitudinal sectional side view of a main part of the grating groove cover according to the first embodiment.

FIG. 3 is a perspective view of a main part of the grating groove cover according to the first embodiment.

FIG. 4 is a vertical sectional side view of a main part of a grating groove cover provided with a foreign matter accumulation preventing device according to a modified example of the first embodiment.

FIG. 5 is a perspective view of a main part of the grating groove cover according to the first embodiment;

FIG. 6 is a longitudinal sectional side view of a main part of a grating groove cover provided with a foreign matter accumulation preventing device according to a second embodiment.

FIG. 7 is a perspective view of a main part of the grating groove cover according to the third embodiment.

FIG. 8 is a plan view showing a grating groove cover provided with a foreign matter accumulation preventing device according to a third embodiment in an enforced state.

FIG. 9 is a longitudinal sectional side view of a main part of the grating groove cover according to the third embodiment.

FIG. 10 is a longitudinal sectional side view of a main part of a grating groove cover having a conventional configuration.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 grating groove cover 2 main bar 5 water passage groove 6 upper side wall 7 side wall upper surface 9 receiving edge 10 side edge 12 covering member 13 inclined plate 13 a horizontal plate portion 13 b inclined plate portion 15 downward inclined surface 16 resin block 17 band-shaped covering plate 19 Support edge 21

Claims (8)

[Claims] 1. A main bar having a plurality of main bars arranged in parallel at a predetermined interval, and both side edges at which both ends of each main bar are located are supported by a pair of receiving edges arranged on upper portions of both side walls of the water passage. The gutter cover attached to the water-groove channel through the side wall of the grating groove cover is provided with covering members for covering the receiving edges on both side edges of the grating groove cover. 2. A coating member is provided between adjacent main bars and has a downwardly inclined surface extending from a side edge of the grating groove cover to an inner end side of the receiving edge. 1
The foreign matter accumulation preventing device in the grating groove cover described in 1 above. 3. The foreign matter accumulation on the grating groove cover according to claim 2, wherein the covering member is constituted by an inclined plate inclined downward from a side edge of the grating groove cover to an inner end side of the receiving edge. Prevention device. 4. A covering member is provided between a horizontal plate portion extending outward from the side edge of the grating groove cover at substantially the same height as the upper surface of the grating groove cover and each of the adjacent main bars,
The grating groove cover according to claim 2, comprising a plurality of inclined plate portions that are inclined downward from a side edge of the grating groove cover to an inner end side of the receiving edge so as to be continuous with the horizontal plate portion. Foreign matter accumulation prevention device. 5. A receiving edge extending outwardly of the water channel.
5. The apparatus according to claim 4, wherein a supporting edge for supporting the horizontal plate portion is coupled. 6. An outer end of the supporting edge is formed with a projecting edge whose height is substantially equal to the thickness of the horizontal plate portion and which defines the height of the upper surface of the side wall of the water passage groove. The apparatus for preventing foreign matter from accumulating in a grating groove cover according to claim 5. 7. The grating groove according to claim 2, wherein the covering member is constituted by a resin block having a downward inclined surface extending from a side edge of the grating groove cover to an inner end side of the receiving edge. Foreign matter accumulation prevention device on the lid. 8. The grating groove cover according to claim 1, wherein the covering member is constituted by a band-shaped covering plate disposed on both side edges of the grating groove cover along the side edges. Foreign matter accumulation prevention device.