JP3222101B2 - Gutter cover, mold for manufacturing gutter cover, and method of manufacturing gutter cover - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a concrete gutter.

[0002]

2. Description of the Related Art Conventional gutters made of concrete generally have no grating and are entirely made of only concrete, and rainwater flows into a gutter from a gap formed by a hand portion. A grating cover having the same size as the gutter cover is provided in some places of the gutter, and the gutter is allowed to flow from the grating cover into the gutter.

[0003]

In the conventional case, the inflow of rainwater is not continuous along the length of the gutter, but is limited to a gap or a grating cover formed by a claw located at various places in the gutter. In many cases, puddles were formed near the gutters without the rainwater being completely guided into the gutters. SUMMARY OF THE INVENTION The present invention solves this problem, and a rain gutter that efficiently guides rainwater into a gutter, has a small decrease in strength against a load, a mold for manufacturing the gutter, and a method for manufacturing the gutter. Is provided.

[0004]

According to the present invention, a groove 6 is provided on the upper surface of the main body so as to cross in the width direction, and one end or both ends of the groove 6 is a side opening 7 opening to the side surface of the main body. A groove 2 having a communication hole 8 formed at the bottom of the groove 6 to communicate with the inside of the groove, wherein the grating 2 is provided in the groove 6;
The grating 2 is attached to the groove 6
And a plurality of flat bars 3 arranged in parallel along
Bottom plate 4 joined to the lower surface to close the gap between rat bars
An opening forming an upper part of the communication hole 8 in the bottom plate
Is provided at the side opening 7,
The end of the gusset 2 is a gutter cover characterized by an opening through which rainwater can flow . The rainwater is guided from the groove of the gutter cover into the gutter via the communication hole, so that the inflow of the rainwater is promoted. In particular, since one end or both ends of the groove is a side opening that opens to the side of the main body, rainwater that has entered the gap between the gutter lid and the gutter main body from the road flows through this gap to reach the side opening, and The water flows into the side gutter from the opening through the groove and the communication hole, and the flow of rainwater is further promoted. Since the groove portion is provided in the width direction of the side groove cover, when a load is applied to the side groove cover, a decrease in strength against bending is small.

[0005] In this gutter, a grating can be integrally attached to the groove. The term “integral” is a so-called “drive-in” by attaching a grating before the concrete hardens when the concrete is hardened to produce the gutter. By doing so, the grating is completely integrated with the gutter cover, so that not only rattling is not caused but also the strength of the gutter cover is increased. Grating may be assumed to have a bottom plate joined to the lower surface so as to close the plurality of the flat bar and the flat bar of the gap arranged in parallel along the groove portion. An opening forming the upper part of the communication hole is provided in the grating bottom plate, and one or both ends of the grating are openings for forming a side opening. The grating is a simple structure, it is possible to prevent accidents such as may enter is heeled heel groove or stumbled passers by grooves. Further, in manufacturing the gutter, when the grating is attached to the formwork and driven in, the outer flat bar and the bottom plate have an effect of preventing concrete from entering the grating.

When the end of the grating is retracted from the side surface of the gutter cover body at the side opening of the gutter cover, rainwater that has entered between the gutter cover and the gutter body from the road flows into the side opening. And the clogging of garbage in this area is less likely to occur.

[0007] The present invention has a groove which crosses the width direction on the upper surface of the main body, one end or both ends of the groove portions has a side opening that opens to the side of the body, the bottom surface of the groove portion A gutter lid in which a communication hole communicating with the gutter is formed,
The grooves and grating is integrally attached to, the grating is have a bottom plate joined to the lower surface so as to close the plurality of the flat bar and the flat bar of the gap arranged in parallel along the groove portion The bottom plate is provided with an opening forming an upper portion of the communication hole, and in the side opening, the end of the grating is an opening through which rainwater can flow. A mold body in which a magnet for fixing the grating is fixed at a predetermined position on the upper surface of the bottom mold formed in a substantially quadrangular shallow box shape for molding the lid body, and a core forming the communication hole is provided. The core has a magnet embedded on its bottom surface, and is placed on a predetermined position on the bottom mold upper surface with the bottom plate facing upward and fixed on the opening of the grating bottom plate fixed by the magnet. Close and place It is a gutter cover manufacturing mold frame, characterized in that it is fixed by the magnet embedded in the core.

In this mold, the above-mentioned gutter cover of the present invention is manufactured by previously attaching a grating to the mold and driving it in. The gutter is manufactured upside down. Since a magnet for fixing the grating is provided at a predetermined position on the upper surface of the bottom mold of the mold main body, the magnet is fixed simply by placing the grating at a predetermined position on the bottom mold. The grating is fixed on the bottom mold in an upside down state, that is, with the bottom plate up. The grating is made of a magnetically absorbing metal such as steel. The communication hole of the gutter cover is formed by a core. Naturally, the outer shape of the core is the same as the shape of the communication hole, and a magnet is embedded in the bottom surface. An opening forming the upper part of the communication hole is provided in the grating bottom plate. The core is placed on the opening, and the opening is closed with the core. Therefore, the inside of the grating is completely closed by the flat bar, the bottom plate, the core, and the side plate of the formwork body, so that the concrete does not enter and a groove is formed. In addition, a communication hole is formed by the core from the groove to the back surface of the lid. Since a magnet is provided on the bottom surface of the core, it is adsorbed and fixed by the magnet simply by placing it on the grating.

According to the present invention, a groove is provided on the upper surface of the main body so as to cross in the width direction, and one end or both ends of the groove is a side opening opening on the side surface of the main body. A gutter lid in which a communication hole communicating with the inside is formed,
The grooves and grating is integrally attached to, the grating is have a bottom plate joined to the lower surface so as to close the plurality of the flat bar and the flat bar of the gap arranged in parallel along the groove portion The bottom plate is provided with an opening forming an upper part of the communication hole, and the end of the grating at the side opening is an opening through which rainwater can flow. Forming body in which a magnet for fixing the grating is fixed at a predetermined position on the upper surface of the bottom mold formed in a substantially quadrangular shallow box shape for molding the main body, and a core forming the communication hole, A step of using a mold in which a magnet is embedded in the bottom surface of the core, placing a grating with the bottom plate facing up at a predetermined position on the bottom mold upper surface of the body of the mold, and fixing the grating with the magnet; And the core A step of closing the opening on the bottom of the fixed grating bottom plate, placing the opening closed on the bottom surface, fixing the magnet, and pouring concrete into the mold body to which the grating and the core are attached, and hardening the concrete. Removing the mold body and the core and taking out the gutter attached with the grating.

The present invention is a method for manufacturing the above-mentioned side groove cover of the present invention using the above-mentioned formwork of the present invention. As described above, the grating is easily attracted and fixed simply by being placed at a predetermined position by the magnet provided on the bottom mold of the mold, and the core forming the communication hole is provided by the magnet provided on the bottom surface thereof. It is easily absorbed and fixed simply by placing the opening on the bottom plate with the opening closed. Thereafter, when the concrete is poured into the formwork, the inside of the grating and the inside of the core are completely closed, so that the concrete does not enter and a groove and a communication hole are formed. Other parts inside the form are filled with concrete. When the mold body and the core are removed from the mold after the concrete has hardened, it is possible to obtain a gutter having a groove part and a communication hole integrally provided with the grating.

In the method of manufacturing the gutter described above, when the end of the grating 2 is disposed to be retracted from the side surface of the gutter cover main body, before fixing the grating to the formwork body, it is necessary to open the end of the grating beforehand. If a rubber spacer is fitted, the rubber spacer can prevent concrete from entering the inside of the grating from the end.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings relating to embodiments. FIG. 1 shows a gutter 1 of the embodiment.
2, FIG. 2 is a top view of the grating 2 attached to the lid 1, FIG. 3 is a bottom view of the lid 1, FIG. 4 is a cross-sectional view of the state where the lid 1 is attached to the side groove, and FIG. FIG. 6 is an enlarged view, FIG. 6 is a sectional view in the width direction of the mold 11 of the embodiment, FIG. 7 is a partial sectional view in the longitudinal direction of the mold 11, FIG. 8 is a partial top view of the mold 11, FIG. Partial top view of the mold 11 with the
FIG. 10 is a bottom view of the core 17, and FIG. 11 is a top view of the mold 11.

The gutter 1 shown in FIG. 1 and the like has a plate shape made of concrete, and a handle 9 is formed on one side. The portion (lower side surface) that comes into contact with the side groove main body has a curved surface.
This is, as shown in JP-A-6-248688,
The side groove main body and the lid are in contact with each other on a curved surface to prevent the lid from rattling. As shown in FIGS. 1, 3, and 4, the lid 1 has a groove 6 that crosses in the width direction on the upper surface of the main body, and both ends of the groove 6 are side opening portions 7 that open to the side surface of the main body. The side opening may be provided on only one side facing the road, but is more preferably provided on both sides. At the bottom of the groove portion 6 communicating with the groove (rear lid) 2
Communication holes 8 are formed. The grating 2 is integrally attached to the groove 6 by driving. The grating 2 has three bottom plate 4 bonded to the lower surface so as to close the four flat bars 3 and the gap of the flat bar 3 disposed in parallel along the groove portion 6, these An opening that forms the upper part of the communication hole 8 is formed between the bottom plates. Both ends of grating 2 have openings through which rainwater can flow in,
That is, the side opening 7 is provided. In addition, the reinforcement 5 which welded the thin reinforcing bar is provided in the upper part of the grating 2 at four places.

The length of the grating 2 is slightly shorter than the width of the lid 1 main body, and the end of the grating 2 is disposed so as to be recessed from the side surface of the lid 1 main body. Therefore, as shown by the arrows in FIG. 5, the rainwater flows into the gap between the lid 1 and the side groove 10 from the road, reaches the side opening 7 flows through the gap, the groove portion 6 from which, by fart the communication hole 8 Because it flows into the gutter,
Water collection efficiency is good and puddles are unlikely to occur.

The lid 1 is manufactured by using a mold 11 shown in FIGS. The mold 11 is for manufacturing three lids 1 at the same time, and includes a bottom mold 12, side plates 13, end plates 14, partitions 15 and 16.
And a core 17. As shown in FIG. 6, the two side plates 13 are hinged to the bottom mold 12 with hinges 27, and the two end plates 14 are hinged to the bottom mold 12 with hinges 28, as shown in FIG. And can be freely opened and closed as indicated by chain lines. The shallow box-shaped space partitioned by the bottom mold 12, the side plate 13, and the end plate 14 is further divided into three by partitions 15, 16 and each is a substantially rectangular shallow box-shaped space. The lid 1 is formed in the space (cavity). The partition 15 is formed on both sides, and the partition 16 is shaped such that the handle 9 is formed on one side. In this formwork,
The lid 1 is manufactured upside down, that is, with the top of the lid facing downward.

The grating 2 is fixed substantially in the center of each cavity of the bottom mold 12 in the width direction.
Therefore, two magnets 23 are embedded in the upper surface of the bottom mold 2 as shown in FIGS. Further, two pins 24 protrude from the upper surface of the bottom die 2. The grating 2 is placed in a predetermined position on the bottom mold 12 with rubber spacers 29 fitted in the openings at both ends in advance, and upside down, that is, with the bottom plate 4 up. The rubber spacer 29 is a spacer for forming a space in which the side opening 7 is retracted from the side surface of the lid 1. Since the pin 24 has a thickness just entering between the two flat bars at the center of the grating 2 and protrudes at an interval just entering between the two reinforcements at the center, the grating 2 is completely positioned at a predetermined position. And fixed by the magnet 23.

After fixing the grating, the core 17 is attached to the formwork body. The core is formed by connecting two hole forming portions 18 with a handle 21 to form two communication holes, and the outer diameter of each hole forming portion 18 is, of course, the communication hole 8.
And a magnet 19 is embedded in the bottom surface. A packing 20 is embedded around the magnet 19 to prevent concrete from leaking into the grating. The core 17 is, as shown in FIG. 6, an opening portion of the bottom plate 4 of the grating 2 (a portion between three bottom plates).
It is placed with its opening closed. Then, it is easily fixed by the attraction force of the magnet 19.

Further, the partitions 15 and 16 are attached to the bottom mold 12. On the lower surface of the partition, as shown in FIG.
A corresponding hole 26 is provided at a predetermined position on the upper surface of the bottom mold, and the projection 25 can be easily attached to the predetermined position by fitting the projection 25 into the hole 26. The side plate 13 and the end plate 14 are raised, closed, and tightened to complete the assembly of the mold 11. In the drawings, a fastening device for fastening the side plate and the end plate, and other details are omitted.

As shown by the solid lines in FIGS. 6 and 7, when concrete is poured into the formwork with the formwork 11 assembled, the interior of the grating 2 becomes flat bar 3, bottom plate 4, core 17 and Since the rubber spacer 29 completely blocks the concrete, the concrete does not enter and the groove 6 is formed. The core 17 forms a communication hole 8 communicating from the groove 6 to the back of the lid. After the concrete is hardened, the side plate 13 and the end plate 14 are opened, the core 17 and the partitions 15 and 16 are pulled out, the mold is removed, and the three lids 1 are taken out.

[0020]

According to the gutter cover of the present invention, the efficiency of rainwater flowing into the gutter is good, and puddles are less likely to occur in the gutter portion. In addition, a decrease in strength with respect to the loading load can be minimized. When the end of the grating is retracted from the side surface of the gutter lid main body, the efficiency of rainwater flowing into the gutter is further improved, and clogging of dust at this portion is less likely to occur.

The mold of the present invention has a simple structure, and the grating can be easily attached to the mold and the core can be easily attached. Therefore, it is possible to easily and efficiently manufacture the side groove cover of the present invention. it can.

In the method of manufacturing the gutter according to the present invention, each step can be easily performed, so that the gutter of the present invention can be manufactured easily and efficiently. Before fixing the grating to the formwork body, if a rubber spacer is fitted to the opening of the end in advance, the end of the grating is easily retracted from the side surface of the gutter cover body and the gutter cover arranged easily. Can be manufactured.

[Brief description of the drawings]

FIG. 1 is a perspective view of a gutter cover 1 according to an embodiment.

FIG. 2 is a top view of the grating 2 mounted on the lid 1. FIG.

FIG. 3 is a bottom view of the lid 1.

FIG. 4 is a cross-sectional view showing a state where the lid 1 is attached to a side groove.

FIG. 5 is an enlarged view of a main part of FIG. 4;

FIG. 6 is a cross-sectional view in the width direction of the mold 11 of the embodiment.

FIG. 7 is a partial longitudinal sectional view of the mold 11;

FIG. 8 is a partial top view of the mold 11;

FIG. 9 is a partial top view of the mold 11 with the core and the partition removed.

10 is a bottom view of the core 17. FIG.

FIG. 11 is a top view of the mold 11;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cover 2 Grating 3 Flat bar 4 Bottom plate 5 Reinforcement 6 Groove 7 Side opening 8 Communication hole 9 Handhold 10 Side groove 11 Form frame 12 Bottom mold 13 Side plate 14 Wife plate 15 Partition 16 Partition 17 Core 18 Communication hole formation portion 19 Magnet Reference Signs List 20 Packing 21 Handle 22 Handle 23 Magnet 24 Pin 25 Projection 26 Hole 27 Hinge 28 Hinge 29 Rubber spacer

────────────────────────────────────────────────── ─── Continuing from the front page (72) Inventor Shinji Haraguchi 2-29, Miyamachi, Kumagaya-shi, Saitama (56) References Japanese Utility Model Application Sho-59-43582 (JP, U) ⁷ , DB name) E03F 5/04 B28B 7/00

Claims (5)

(57) [Claims] 1. A groove 6 crossing in the width direction on the upper surface of the main body.
A side in which one end or both ends of the groove 6 is open to the side surface of the main body
A surface opening 7 is provided in the side groove at the bottom of the groove 6.
A side groove cover in which a communication hole 8 for communication is formed, wherein the grating 2 is integrally attached to the groove portion 6;
The grating 2 has a plurality of flat bars 3 arranged in parallel along the groove 6 and a bottom plate 4 joined to the lower surface so as to close the gap between the flat bars. An opening forming an upper portion of the gutter, and an end of the grating 2 in the side opening 7 is an opening through which rainwater can flow. 2. The gutter cover according to claim 1 , wherein the end of the grating 2 is disposed so as to be recessed from the side surface of the gutter cover body in the side opening 7. 3. An upper surface of the main body has a groove portion 6 crossing in the width direction, and one end or both ends of the groove portion 6 is a side opening portion 7 opening to the side surface of the main body. A side groove cover in which a communication hole 8 communicating with the inside of the side groove is formed, wherein the grating 2 is integrally attached to the groove portion 6,
The grating 2 has a plurality of flat bars 3 arranged in parallel along the groove 6 and a bottom plate 4 joined to the lower surface so as to close the gap between the flat bars. An opening forming the upper part of the gutter is provided. In the side opening 7, the end of the grating 2 is an opening through which rainwater can flow. A mold body in which a magnet 23 for fixing the grating 2 is embedded at a predetermined position on the upper surface of the bottom mold, and a core 17 forming the communication hole 8; The magnet 17 is embedded in the bottom surface of the child 17, and is placed at a predetermined position on the upper surface of the bottom mold with the bottom plate 4 facing upward, and is fixed above the opening of the bottom plate 4 of the grating 2 fixed by the magnet 23. The opening is closed and placed Fixed to the magnet 19 for forming a gutter cover. 4. An upper surface of the main body has a groove portion 6 crossing in the width direction, and one end or both ends of the groove portion 6 is a side opening portion 7 opening to the side surface of the main body. A side groove cover in which a communication hole 8 communicating with the inside of the side groove is formed, wherein the grating 2 is integrally attached to the groove portion 6,
The grating 2 has a plurality of flat bars 3 arranged in parallel along the groove 6 and a bottom plate 4 joined to the lower surface so as to close the gap between the flat bars. A method of manufacturing a gutter cover in which an opening forming an upper portion of the gutter is provided, and an end of the grating 2 at the side opening 7 is an opening through which rainwater can flow. A mold body in which a magnet 23 for fixing the grating 2 is embedded at a predetermined position on the upper surface of the bottom mold, and a core 17 forming the communication hole 8. Reference numeral 17 denotes a mold 1 having a magnet 19 embedded in the bottom surface thereof. The grating 2 is placed at a predetermined position on the upper surface of the bottom mold of the body of the mold 1 with the bottom plate 4 facing upward and the magnet 23 Fixing the core with the core 1 And the opening on the opening of the bottom plate 4 of the fixed grating 2 is mounted to close at its bottom the magnet 1
Step 9: fixing concrete, pouring concrete into the mold body to which the grating 2 and the core 17 are attached, and hardening; removing the mold body and the core 17 to take out the gutters on which the grating is mounted. And a method for manufacturing a gutter cover. 5. The method of manufacturing a gutter according to claim 4 , wherein
Before fixing the grating 2 to the formwork body, by providing a step of fitting the rubber spacer 29 into the opening at the end thereof, the end of the grating 2 is retracted from the side surface of the side groove cover body. Method for manufacturing a gutter lid characterized by being arranged