JPH0613875Y2 - Assembly gutter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION << Industrial Application Field >> The present invention relates to an assembly side groove formed by assembling each member such as a pillow member, a side wall member, and a beam member manufactured in a factory on site.

《Prior art》 Compared with a normal integrated gutter block, the assembled gutter has the advantages that the formwork is simpler, the transportation efficiency is good, and that the bottom part can be freely sloped as cast concrete. is there.

FIG. 5 is an assembly perspective view of a conventional assembly side groove. This gutter is composed of a pillow material 21, a side wall member 22, a beam member 23 and unillustrated cast-in-place concrete.

The pillow member 21 has a projection 24 on the upper surface thereof, and the side wall member 22 has a concave groove 25 on the lower surface thereof, and the side wall member 22 is erected on the pillow member 21 by fitting them.

The side wall member 22 has a step portion 26 over the entire length on the inner side of the upper portion. On both sides of the upper end portion, a portion excluding the step portion 26 is cut lower than the step portion to form a notch portion 27, and the notch portion 27 faces each other. It is surrounded by the surface 27a, the bottom surface 27b, and the locking surface 27c. Both ends of the beam member 23 are formed so as to fit into the two notches 27 of the adjacent side wall members 22. That is,
The end portion 28 has a reduced width so as to form an abutting surface 29, and has an opposing surface 28a, a bottom surface 20b formed lower than the central bottom surface, and a locking surface 28c. The abutting surface 29 is the side wall member 22. Inside the upper end, the facing surface 28a is the facing surface 27a of the cutout portion 27, the bottom surface 28b is the bottom surface 27b, and the locking surface 28c.
Is fitted into the notch 27 by abutting or locking the locking surface 27c. Thus, the side wall member 22 is securely coupled and fixed so as to have a predetermined groove width.

<< Problems to be Solved by the Invention >> The above-mentioned conventional assembly side groove has the side wall member 22 and the beam member 23.
The connecting part with and has a special shape and is fitted to each other. That is, the step portion 2 is provided on both sides of the upper end portion of the side wall member 22.
Notched portion 2 in which the portion other than 6 is notched lower than the stepped portion
7, the both ends 28 of the beam member 23 are reduced in width so as to form the contact surface 29, and further have a bottom surface 28b formed to be lower than the bottom surface of the central portion and project downward.

In order to realize such a special shape, the momentum formwork needs a special structure and is required to have a certain degree of complexity. In addition, these parts have a shape with many creases (protruding corners) and are easily damaged during transportation or construction.

Further, such an assembly side groove requires the beam member 23 to be mounted across two side wall members 22 adjacent to each other in the lengthwise direction, so that it takes time to mount the beam member on site. . In order to reduce the installation time of the beam member, it is necessary to increase the gap between the beam member and the side wall member, and this will increase the rattling of the assembled gutters, making the passage worse and straightening. There was a problem that it could not be a beautiful gutter.

The present invention is intended to solve such a problem by simplifying the shape of the connecting portion of the side wall member and the beam member.

<< Means for Solving the Problems >> The present invention is directed to a plurality of pillow members 1 and a plurality of side wall members arranged on the upper surface of the pillow member 1 at right angles to and continuous with the pillow members 1 and facing each other. 2, a plurality of beam members 3 connecting the upper ends of the side wall members 2 facing each other, and an assembly side groove made of cast-in-place concrete placed at the bottom between the side wall members 2 facing each other, A step portion 5 is formed over the entire length, and a nut 6 for coupling with the beam member 3 is embedded on the upper surface of the step portion 5 in a state of protruding from the step portion surface, and a truncated cone-shaped convex portion 7 is formed around the nut 6. Then, through-holes 11 corresponding to the nuts 6 of the side wall member 2 are provided at both ends of the beam member, and a concave portion 12 corresponding to the convex portion 7 is provided at the lower end thereof, and the beam member 3 faces the stepped portion of the side wall member 2. A sheet 14 having holes 15 corresponding to the convex portions 7 is sandwiched between the beam members 5, and the beam member 3 Through hole 1
It is an assembly side groove characterized in that the side wall member 2 and the beam member 3 are connected by inserting the bolt b into 1 and screwing it into the nut 6.

The sheet is made of soft plastic such as vinyl chloride, soft material such as paper and sponge.

<< Operation >> Since the present invention embeds a nut in the upper surface of the step of the side wall member and provides a through hole in the beam member to connect the side wall member and the beam member by bolt connection, No special shape is required for the mutual connecting portions, and the shape can be extremely simple. In addition, since the sheet is sandwiched between the side wall member and the beam member, when the bolt is tightened, the elasticity of the sheet will not be affected even if there is some unevenness on the contact surface between the side wall member and the beam member or if sand or the like is attached. As the tightening force is evenly distributed, a perfect bolt connection can be expected. Moreover, since the periphery of the nut is a truncated cone-shaped convex portion, it is extremely easy to align the seat and the beam member with the side wall member at the time of assembly.

<< Embodiment >> FIGS. 1 to 4 relate to an embodiment of the present invention. FIG. 1 is an assembled perspective view, FIG. 2 is a partial sectional view of an end portion, and FIG. 3 is a top view with a groove cover, and FIG. FIG. 6 is a central partial cross-sectional view.

The assembling side groove is made of a pillow material 1, a side wall member 2, a beam member 3, a sheet 14, and cast-in-place concrete to be placed on the bottom between the side wall members 2.

The pillow 1 has a ridge 4 on the upper surface thereof, and the side wall member 2 has a groove 9 on the lower surface thereof, whereby the pillow 1 functions as a spacer to keep the side wall members facing each other at a predetermined interval and to prevent the side wall member from being formed. Set up stably. In addition, a concave groove may be provided on the upper surface of the pillow material, a protrusion may be provided on the lower surface of the side wall member, or a groove having a width with which the lower end of the side wall member fits may be provided on the upper surface of the pillow material.

At the upper end of the side wall member 2, a step 5 for mounting the beam member 3 and the groove cover 13 is formed over the entire length, and a nut 6 for coupling with the beam member 3 is embedded at the end on the upper surface thereof. The rubber ridge 10 is anchored from the center. A frustoconical convex portion 7 is formed around the nut 6.

Through holes 11 corresponding to the nuts 6 are provided at both ends of the beam member 3,
Further, a concave portion 1 corresponding to the convex portion 7 is provided around the lower surface through hole 11.
Two are provided. As shown in FIGS. 1 and 2, the beam member 3 sandwiches the sheet 14 and bridges it between the step portions 5 of the side wall members 2 facing each other. The sheet 14 is made of vinyl chloride having a thickness of 1 mm, and has a hole 15 into which the convex portion 7 is inserted. By the convex portion 7 of the side wall member 2 and the concave portion 12 of the beam member 3 being fitted in the concave and convex portions, the beam member is easily positioned so that the nut 6 and the through hole 11 are at the same position. Then, as shown in FIG. 2, the side wall member 2 and the beam member 3 are completely connected by inserting the bolt b into the through hole 11 of the beam member 3 and screwing the bolt b into the nut 6. An upper portion of the through hole 11 is an enlarged portion 11a having an enlarged diameter when the head of the bolt b is buried. By filling mortar m therein, the rust of the bolt can be prevented.

The openings between the beam members 3 are, as shown in FIG.
You can close the gutter with. The groove lid does not rattle due to the effect of the rubber ridge 10. The rubber ridge 10 is anchored to the upper surface of the step portion 5, as shown in FIG.

In the drawing, cast-in-place concrete is omitted. Although only a pair of members are shown in FIGS.
Of course, many of these are continuously provided.
The side wall member 2 continuously provided is bolted by a connecting flange 8 provided on the end surface.

In the assembly at the installation site, two side wall members 2 and 2
If the beam members 3 of the book are assembled in advance as a set, and the beam members 3 are hoisted up and a large number of them are consecutively arranged, work can be performed with extremely high efficiency.

<Effect of the Invention> The present invention simplifies the formwork structure by simplifying the shape of the joint portion of the side wall member and the beam member, so that not only the manufacturing cost of the formwork is reduced but also the concrete product The work efficiency at the manufacturing plant and the work efficiency at the installation site will also be improved. In addition, the simple shape also reduces the risk of product damage during transportation and construction.
Since the side wall member and the beam member are joined by sandwiching the sheet, the tightening stress of the bolt is equalized to the contact surfaces of both members and they are joined very firmly, so there is a possibility that the joint portion will be distorted due to earth pressure or loading load. Less is. Moreover, since the circumference of the nut is formed as a convex portion, the positioning of the members during assembly becomes easy, and the work efficiency is extremely good.

[Brief description of drawings]

1 to 4 relate to an embodiment of the present invention, FIG. 1 is an assembled perspective view, FIG. 2 is an end partial sectional view, FIG. 3 is a top view with a groove lid, and FIG. 4 is a central partial sectional view. It is a figure. FIG. 5 is an assembly perspective view of a conventional assembly side groove. 1 ... Pillow material, 2 ... Side wall member, 3 ... Beam member, 4 ... Projection, 5 ... Step, 6 ... Nut, 7 ... Projection, 8 ... Flange, 9 ... Recess Grooves, 10 ... Rubber ridges, 11 ... Through holes, 12 ... Recesses, 13 ... Groove lids, 14 ... Sheets, b ... Bolts, m ... Mortar

Claims (3)

[Scope of utility model registration request] 1. A plurality of pillow members 1, a plurality of side wall members 2 facing each other on the upper surface of the pillow member 1 at right angles to and continuous with the pillow member 1, and side wall members facing each other. In a plurality of beam members 3 that connect the two upper ends and an assembling gutter made of cast-in-place concrete that is placed at the bottom between the opposing side wall members 2, a step 5 is formed over the entire length inside the upper side wall member 2. A nut 6 for coupling with the beam member 3 is embedded on the upper surface of the step portion 5 so as to project from the step portion surface to form a truncated cone-shaped convex portion 7 around the nut 6, and side walls are provided at both ends of the beam member. A through hole 11 corresponding to the nut 6 of the member 2 is provided, and a concave portion 12 corresponding to the convex portion 7 is provided at the lower end of the through hole 11, and the beam member 3 corresponds to the convex portion 7 between the step portions 5 of the side wall members 2 facing each other. A sheet 14 having a hole 15 to be hung is sandwiched between the through holes 1 of the beam member 3.
A side groove member 2 and a beam member 3 are connected to each other by inserting a bolt b into the nut 1 and screwing the nut 6 into the assembled side groove. 2. A utility model registration request wherein the upper part of the through hole 11 of the beam member 3 is an enlarged portion 11a having an enlarged diameter, the head portion of the bolt b is buried in the enlarged portion 11a, and the enlarged portion 11a is filled with mortar m. Assembled side groove of the first item 3. The assembly side groove according to claim 1 or 2, wherein a rubber ridge 10 is anchored to the upper surface of the step portion 5 of the side wall member.