JPH0218148Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an improvement in a drainage grating that is embedded in a gutter cover that closes the opening of a gutter installed along the shoulder of a road.

[Summary of the idea]

The present invention relates to gratings for draining water from gutter covers, which are constructed by forming a grid on a frame that is embedded in a concrete gutter cover body with reinforcing bars embedded inside. By providing a matching locking wall with an inverted U-shaped cross section on the opposite side wall portion of the frame, it is possible to easily manufacture the drain-equipped gutter cover and improve its durability. .

[Conventional technology]

Generally, gutter covers that close the openings of gutter installed along the shoulders of roads are widely used to be made of concrete with reinforcing bars embedded inside.
Those that function simply to close the opening of the gutter;
Some have a structure that has a drainage function that absorbs rainwater from the road.

As disclosed in Japanese Utility Model Publication No. 54-4827, for example, gutter covers with drains have been known to have a structure in which a grating for draining is embedded in a frame body. It is being

Conventionally, gratings for draining water from gutter covers have been made of metal with a plating process such as zinc plating, and are welded to a cut part of the reinforcing steel that is embedded inside the gutter cover. It was fixed at. Then, concrete was poured into a formwork in which reinforcing bars to which the drainage grating was welded were installed, thereby producing a gutter cover with drainage.

[Problem that the invention attempts to solve]

By the way, as mentioned above, in the conventional grating for drainage, in which a part of the reinforcing bar embedded inside the gutter cover is cut and fixed to that part by welding, the plating layer is burnt out during the welding process. There were problems in that rust was likely to occur as a result of this, and it was difficult to ensure the mechanical strength of the reinforcing bar structure by cutting a portion of the reinforcing bars. Furthermore, it is necessary to take measures against the generation of harmful gases due to burning of the plating layer during the above-mentioned welding work.

Therefore, in view of the above-mentioned conventional problems, the present invention has been developed for draining water from side gutter lids with a new structure that facilitates the manufacture of side gutter lids with water drains and improves durability. It provides grating.

[Means for solving problems]

In order to achieve the above-mentioned object, the present invention provides a grating for draining water from a gutter cover, which is formed by forming a lattice on a frame embedded in a concrete gutter cover body with reinforcing bars embedded inside. Inverted U-shaped notches are formed at the lower end of the opposite side wall of the frame body at intervals corresponding to the installation intervals of the reinforcing bars embedded in the gutter cover body, and the cross section into which the reinforcing bars are inserted is inverted U-shaped. The present invention is characterized in that a locking wall shaped like this is provided in succession between each notch portion of the opposing side wall of the frame.

[Effect]

The draining grating of the gutter cover according to the present invention has a locking wall with an inverted U-shaped cross section that is connected between each notch formed on the opposite side wall of the frame, and the reinforcing bar embedded in the gutter cover body. It can be attached to a reinforcing structure by locking it.

〔Example〕

Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings.

In the embodiment shown in FIGS. 1 to 4, the draining grating 10 according to the present invention includes two frame plates 11A and 11B that are bent into a U-shape in plan view. It consists of a frame 11 which is butted and welded, and two lattice plates 12A, 12B which are suspended between the bent pieces of each of the frame plates 11A, 11B and form a lattice on the upper surface of the frame 11. .

In addition, each of the frame plates 11A, 11B is configured to lock the two ends of the two lattice plates 12A, 12B into the locking openings 13A, 13B formed in each bent piece, thereby allowing the lattice plates 12A, 12B to Welding of the butt part is done while it is installed. Furthermore, each of the frame plates 11A, 11B and the lattice plates 12A, 12B
is penetrated by two iron rods 14A, 14B, and is reinforced by welding to each of the iron rods 14A, 14B.

Further, opposing side walls 11a and 11b of the frame 11
5 with a predetermined interval (W) at the lower end of each
Respective inverted U-shaped notches 15 are formed at certain locations. Then, cross section the iron plate with an inverted U
A locking wall 16 bent into a letter shape is welded to each of the cutout portions 15 .

Here, the opposing side walls 11a, 11 of the frame 11
Each notch 15 formed in b is embedded in the side gutter cover 20 with a drain, as shown in FIGS. 3 and 4, which is formed by embedding the drain grating 10 of this embodiment. The reinforcing bars 21 are arranged at intervals (W) corresponding to the intervals (Wo) of the reinforcing bars 21. Further, the locking wall 16 welded to the notch 15 is folded into an inverted U shape with a dimension (D) larger than the diameter (Do) of the reinforcing bar 21 so that the reinforcing bar 21 can be inserted. A curved version is used.

As shown in FIG.
The reinforcing bars 21 are attached to the reinforcing steel structure so as to be locked by the locking walls 16 that have an inverted U-shaped cross section and are connected to each other, and concrete in a formwork (not shown) is poured into the reinforcing bars 21 to prevent moisture from entering the reinforcing bars 21. In order to prevent rust from being exposed to air containing
2 is filled to constitute the draining portion of the side gutter cover 20 with draining as shown in FIG. The portions of the two iron rods 14A, 14B that protrude outside the frame 11 act as anchors for the drainage grating 10 in which the drain-equipped gutter cover 20 is embedded.

As in this embodiment, by providing locking walls 16 having an inverted U-shaped cross section to engage the reinforcing bars 21 embedded in the gutter cover body on the opposite side walls 11a and 11b of the frame 11, the reinforcing bars 21 can be The draining grating 10 can be easily attached to the reinforcing steel structure, and the gutter cover 20 with draining can be manufactured without the need for cutting or welding the reinforcing bars 21 and the frame 11. The drain-equipped gutter cover 20 manufactured using the drain grating 10 does not require cutting the reinforcing bars 21 in order to attach the drain grating 10, and thus ensures sufficient mechanical strength. Can be done. Furthermore, since the frame body 11 of the draining grating 10 is not welded to the reinforcing bars 21, there is no need to consider burnout of the plating layer due to welding work. Furthermore, the draining grating 10 can be handled as a completely independent component from the reinforcing steel structure.

In addition, in the above-mentioned example, the grating 10 for draining water was formed by sheet metal processing using an iron plate.
The draining grating according to the present invention has a lower frame 30A, for example, as in another embodiment shown in FIG.
The locking wall 36 having an inverted U-shaped cross section as described above is connected to the opposite side wall 30.
The lower frame 30A connected between each notch 35 is formed by sheet metal processing, and the upper frame 30B on which the lattice 32 is provided is injection molded, for example, from a synthetic resin material. The upper frame body 30B may be attached to the upper frame body 30B.

[Effect of idea]

As is clear from the description of the above-mentioned embodiments, the gutter cover draining grating according to the present invention has a locking wall with an inverted U-shaped cross section that engages with reinforcing bars embedded in the gutter cover body, which is located opposite the frame body. Since it is installed on the side wall,
By inserting and locking the reinforcing bar into the locking wall having an inverted U-shaped cross section, it can be easily attached to the reinforcing bar structure. Therefore, by using the grating for draining water from gutter covers according to the present invention, it is possible to easily form gutter covers with water drains without the need for cutting the reinforcing bars or welding the reinforcing bars and the frame. can be manufactured. In addition, the drain-equipped gutter cover manufactured using the above-mentioned drain grating does not require cutting the reinforcing bars to attach the drain grating, so sufficient mechanical strength can be ensured. Furthermore, since the frame of the drainage grating is not welded to the reinforcing steel, there is no need to consider burnout of the plating layer due to welding work.
Furthermore, it can be provided as a highly versatile component that is completely independent of the reinforcing steel structure.

[Brief explanation of drawings]

FIG. 1 is an external perspective view showing one embodiment of a grating for draining water from a gutter cover according to the present invention, and FIG.
The figures are a side view and an external perspective view of the drainage grating of the above embodiment attached to the reinforcing steel, and Figures 3 and 4 are sectional views and main parts of the gutter cover in which the drainage grating is embedded. FIG. FIG. 5 is a side view of a main part showing another embodiment of the grating for draining water from a gutter cover according to the present invention. 10...Grating for draining water, 11,30
A, 30B...frame body, 11a, 11b, 30a,
30b... Opposing side wall, 12A, 12B... Lattice plate, 14... Notch, 15, 36... Locking wall,
32... Lattice.

Claims (1)

[Scope of Claim for Utility Model Registration] In a grating for draining water from a gutter cover, which is formed by forming a grid on a frame embedded in a concrete gutter cover main body with reinforcing bars embedded inside, the opposite side wall of the frame. Inverted U-shaped notches are formed at the lower end portion of the gutter cover at intervals corresponding to the installation intervals of the reinforcing bars embedded in the gutter cover body, and a locking wall having an inverted U-shaped cross section into which the reinforcing bars are inserted. A grating for draining water from a gutter cover, characterized in that the above-mentioned frame body is provided in series between each notch part of the opposite side wall of the frame body.