JPH10278022A - Form for molding concrete side-gutter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lightweight and inexpensive form for molding a side- gutter with a bending face in which warpage and torsion are not generated. SOLUTION: A form for molding a side-gutter is constituted of an outer mold 1 formed of a bottom plate 3, a side plate 4 and a side plank 5 and an inner mold constituted of a U-shaped plate forming a U-shaped channel, and the U-shaped plate is provided with an upper scarfed area section, a bending face section, a gutter wall section and a bottom section corresponding to an upper scarfed area section, a bending face section, a gutter wall section and a bottom section, all of which face the side-gutter, while the form for, for molding a side-gutter cover is formed of the bottom plate 3, the side plate 4 and the side plank 5, and the side plate 4 is provided with a cover upper scarfed area section, a cover bending face section and a lower vertical face section corresponding to a cover upper scarfed area section, a cover bending face section and a cover lower vertical face section of the side-gutter cover.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mold for forming a concrete gutter which is buried and installed on a side of a road or the like and is used as a drainage channel.

[0002]

2. Description of the Related Art Conventional side grooves are generally U-shaped grooves. For example, the applicant has previously disclosed utility model registration No. 3031.
The gutter shown in No. 035 was proposed. This gutter is shown in FIG.
4 to 16, the gutter frame 101 and the gutter cover 10 are provided.
8.

[0003] Each of the side groove walls 101 is provided with a corresponding side groove wall 10.
2A, 102B Upper inclined surface portion 102 formed on inner surface
a, 102b and the upper inclined surface portions 102a, 102
The curved surface portions 103a, 103 extending downward continuously from 2b
03b and lower vertical surface portions 104a, 104b extending downward continuously to the curved surface portions 103a, 103b.
And horizontal plane portions 105a and 105b continuous with the lower vertical plane portions 104a and 104b, and groove wall portions 106a and 10 continuous with the horizontal plane portions 105a and 105b.
6b and a bottom surface 107 which is continuous with the groove wall portions 106a and 106b.

Further, as shown in FIG. 15, a gutter cover 108 is disposed such that it is opposed to the upper inclined surface portions 102a and 102b with a small interval G1 as shown in FIG. Inclined surface portions 109a and 109b,
The lid curved surface portions 110a, 110 extending downward from the upper lid inclined surface portions 109a, 109b and facing the curved surface portions 103a, 103b while being in line contact therewith.
As shown in FIG. 16, the lower portion of the lid is extended downward continuously from the lower curved surface portions 110a and 110b and opposed to the lower vertical surface portions 104a and 104b with a small gap G2. The vertical surface portions 111a and 111b are formed.

[0005] The curved surface portion 103 of the side groove body 101
a, 103b and lid curved surface portions 10a, 10 of gutter lid 108
b is in line contact with its lower end P. At this time, the lower vertical surface portions 104a and 104b of the side groove body 101 are formed longer than the lid lower vertical surface portions 111a and 111b of the side groove cover 108, and the horizontal plane portions 105a and 105 of the side groove body 101 are formed.
A gap is formed between b and the lower surface of the side groove cover 108.

[0006]

SUMMARY OF THE INVENTION The present invention provides a mold for forming the above-mentioned gutter. In particular, those having a curved portion such as the side groove require a curved portion for forming the curved portion also in the mold, and the mold having the curved portion is caused by the curved portion, and "warpage and twisting" occur. In order to facilitate this, the thickness of the form material had to be increased. Then, there is a problem that the weight becomes heavy and the price becomes high.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and provides an inexpensive concrete gutter forming mold which is lightweight and does not cause "warp and twist".

[0008]

According to a first aspect of the present invention, there is provided a concrete gutter forming form according to the present invention, wherein an upper inclined surface portion formed on an inner surface of an opposing gutter wall, and continuous with the upper inclined surface portion. And a curved surface portion extending downward, a lower vertical surface portion continuously extending downward from the curved surface portion, a horizontal surface portion continuous with the lower vertical surface portion, a groove wall portion continuous with the horizontal surface portion, and the groove A mold for molding a side groove body having a bottom surface common to the wall, a lid upper inclined surface facing the upper inclined surface with a small interval, and extending downward continuously to the lid upper inclined surface; A lid curved surface portion facing the curved surface portion while being in line contact with the curved surface portion, and a lid extending downward continuously from the lid curved surface portion and facing the lower vertical surface portion at a small interval. A mold for forming a gutter having a lower vertical surface. The mold for forming the side groove body comprises an outer mold formed by a bottom plate, a side plate, and an end plate, and an inner mold formed by a U-shaped plate forming a U-shaped groove. A mold having an upper inclined surface portion, a curved surface portion, a curved wall portion, a curved wall portion, a groove wall portion, and a bottom portion corresponding to the opposed upper inclined surface portion, the curved surface portion, the groove wall portion, and the bottom surface portion of the side groove body; The side plate is formed of a bottom plate, a side plate, and a bottom plate, and the side plate has an upper inclined surface, a curved surface, and a lower vertical surface corresponding to a lid upper inclined surface, a lid curved surface, and a lid lower vertical surface of the gutter. .

The concrete gutter forming form according to claim 2 of the present invention is characterized in that the inner form of the form for forming the gutter frame has a curved surface portion as a lid cover portion. A reinforcing material for preventing warpage and twisting is provided.

[0010] The concrete gutter forming form according to claim 3 of the present invention is characterized in that a step forming member is provided at the boundary between the curved surface portion and the groove wall portion of the inner form of the form forming the side groove body. Characterized by intervening.

Further, in the concrete gutter forming form according to a fourth aspect of the present invention, the side plate and the end plate are hinged to the bottom plate.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a front view showing an embodiment of a mold for forming a gutter body according to the present invention, FIG.
3 is a plan view of the same, FIG. 4 is a sectional view taken along the line II of FIG. 2, and FIG. 5 is an enlarged view of a portion A of FIG. 4, and (a) to (f) show different embodiments. FIG. 6 is a sectional view taken along the line II of FIG. 2 and shows a state in which the mold is opened. FIG. 7 is a side view showing a state in which the mold is opened. Reference numeral 1 denotes an outer mold, and 2 denotes an inner mold.

The outer frame 1 is formed by a bottom plate 3, a side plate 4 and a bottom plate 5, and the side plate 4 and the bottom plate 5 are hinged to an end of the bottom plate 3 and can be opened and closed. The side plate 4 and the end plate 5 are clamped by a clamp 7, and in this state (FIGS. 1 to 4), concrete is cast, a gutter frame is formed, and after curing for a certain period of time, the clamp 7 is removed. The side plate 4 and the end plate 5 are opened as shown in FIGS. 6 and 7, and the completed side groove is taken out.

The side plate 4 and the end plate 5 are provided with an angle 8 and a flat bar 9 for improving strength.

The bottom plate 3, the side plate 4 and the end plate 5 forming the outer formwork are configured to form the outer shape of the side groove body shown in FIG. 14, and the bottom plate 3 is rectangular and the long side is the side groove body. The short side corresponds to the width of the side groove body corresponding to the length, and the side plate 4 and the end plate 5 are respectively erected on the long side and the short side thereof by being hinged together.

As shown in FIG. 1, at the boundary between the side plate 4 and the end plate 5 of the end plate 5, a rubber packing accommodating portion 10 for receiving a rubber packing 11 for preventing the poured concrete from leaking out is provided. ing.

At a predetermined position of the bottom plate 3, a U-shaped plate 12 forming a U-shaped groove as an inner frame as shown in FIG. It is placed and fixed.

This U-shaped plate 12 forms a U-shaped groove of the side groove body shown in FIG.
It is formed in a shape corresponding to one of the upper inclined surfaces 102a and 102b, the curved surfaces 103a and 103b, the groove walls 106a and 106b, and the bottom surface 7.

Further, the lower vertical surface portions 104a and 104b and the lower vertical surface portions 104a and 104b of the side groove body shown in FIG.
In order to form horizontal plane portions 105a and 105b continuous with 104b, a step forming member 13 as shown in FIG. 4 is provided at the boundary between the curved surface portions 23a and 23b of the U-shaped plate 12 and the groove wall portions 26a and 26b. Is done.

Further, the U-shaped plate 12 is provided with a reinforcing member 14 for preventing the form from being warped and twisted due to the curved surface portion of the cover portion. This reinforcing material 1
4 is a flat bar 14 as shown in FIG.
a, angle material 14b as shown in FIG. 5 (b), FIG.
A channel material 14c as shown in FIG. 5C, a square pipe material 14d as shown in FIG. 5D, a round pipe material 14e as shown in FIG. 5E, and a channel material as shown in FIG. 14f, and the like.

Thus, the bottom plate 3, side plate 4, end plate 5 and U
A mold forming the side groove body 101 as shown in FIG. 14 is formed by the character plate 12, and the side groove body is formed by casting concrete into this form.

Next, FIG. 8 is a front view showing an embodiment of a mold for forming a gutter according to the present invention, FIG.
10 is a plan view of the same, FIG. 11 is a sectional view taken along the line II-II of FIG. 9, FIG. 12 is a sectional view showing the opened state of FIG. 11, and FIG. 13 is a side view showing the opened state of the mold.

As shown in FIGS. 14 to 16, this mold has a small gap G1 with respect to the upper inclined surfaces 102a and 102b.
Lid upper inclined surface portion 10 arranged to face each other with
9a, 109b and these lid upper inclined surface portions 109a,
The curved surface portion 1 is extended downward continuously from the curved surface portion 109b.
03a and 103b, and curved lid portions 110a and 110b opposed to each other while being in line contact with each other, and these lid curved surface portions 11
0a, 110b, and a side groove cover 108 formed of lid lower vertical surface portions 111a, 111b opposed to the lower vertical surface portions 104a, 104b with a small gap G2. It is to be molded.

The form of the side groove cover 108 is formed by the bottom plate 15, the side plate 16 and the end plate 17, and the side plate 16 and the end plate 1 are formed.
The hinge 7 is connected to an end of the bottom plate 15 by a hinge 18 and can be opened and closed. The side plate 16 and the end plate 17 are fastened by the clamp 19, and in this state (FIGS. 8 to 11).
After the concrete is cast and the gutter is formed and cured for a certain period of time, the clamp 19 is removed, the side plate 16 and the end plate 17 are opened as shown in FIGS. 12 and 13, and the completed gutter is taken out. It is.

The side plate 16 and the end plate 17 are provided with an angle 20 and a flat bar 21 for improving strength.

Further, this form is formed into a shape that can form a gutter cover with the bottom plate 15, the side plate 16 and the end plate 17.
That is, the bottom plate 15 has a rectangular shape, the long side thereof corresponds to the length of the gutter cover, the short side corresponds to the width of the gutter cover, and the side plate 16 and the end plate 17 are respectively provided on the long side and the short side. Hinge 1
8 are connected.

The side plate 16 is shown in FIGS.
6 is formed corresponding to the shape of the side groove cover 108. That is, the side plate 16 includes the lid upper inclined surface portion 109a,
The upper inclined surfaces 39a and 39b corresponding to 109b, the curved surfaces 40a corresponding to the lid curved surfaces 110a and 110b,
The lower vertical surface portions 41a and 41b corresponding to the lower vertical surface portions 111a and 111b are configured.

Therefore, the bottom plate 15, the side plate 16 and the end plate 17
When the concrete is poured into the mold formed by the following formula, the lid is disposed so as to face the upper inclined surfaces 102a and 102b of the side groove body 101 with a small gap G1 as shown in FIGS. Upper inclined surface 109
a, 109b and these lid upper inclined surface portions 109a, 1b.
09b, and extends downwardly.
Curved surface portions 110a, 110b opposed to each other while being in line contact with 3a, 103b and curved surface portions 110 of these lids
A side groove lid 108 is formed which extends downward continuously from the lower vertical surfaces 104a, 110b and has lid lower vertical surfaces 111a, 111b opposed to the lower vertical surfaces 104a, 104b with a small gap G2. .

[0029]

As described above, according to the concrete gutter forming form according to the present invention, the upper inclined surface portions 102a, 102a formed on the inner surfaces of the opposed gutter walls 102A, 102B as shown in FIGS. 102b, curved surface portions 103a, 103b extending downward continuously from the upper inclined surface portions 102a, 102b, and curved surface portions 1
Lower vertical surface portions 104a, 104b extending downward from the lower vertical surface portions 104a, 104b
04a, 104b, horizontal surface portions 105a, 105
b, groove wall portions 106a, 106b continuous with these horizontal surface portions 105a, 105b, and these groove wall portions 106
A side groove body 101 formed by a bottom surface portion 107 which is continuous with both a and b, and as shown in FIG. 15, this has a minute interval G1 as shown in FIG. 16 with respect to the upper inclined surface portions 102a and 102b. The upper lid inclined surfaces 109a and 109b are arranged so as to face each other, and extend downward continuously from the upper lid inclined surfaces 109a and 109b so as to make line contact with the curved surfaces 103a and 103b. The lid curved surface portions 110a and 110b opposed to each other and extend downward continuously to the lid curved surface portions 110a and 110b, and as shown in FIG. 16, a minute gap G2 is formed between the lower vertical surface portions 104a and 104b. It is possible to form the side groove lid 108 formed by the lid lower vertical surface portions 111a and 111b which are opposed to each other.

Further, since the inner mold for forming the side groove body is provided with a reinforcing material for preventing warping and twisting of the mold due to the curved surface portion of the cover, the mold is provided. Can be made thinner than before, making it lighter and less expensive (claim 2).

Further, since the step forming member is interposed at the boundary between the curved surface and the groove wall of the inner mold for molding the side groove frame, the inner mold has a lower vertical surface and a continuous horizontal surface. There is no need to form the shape of the step portion for forming the surface portion, and the manufacture of the inner mold is facilitated (claim 3).

Further, since the side plate and the end plate forming the formwork are hinged to the bottom plate, it is easy to take out after forming the concrete side groove with the formwork (claim 4).

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of a formwork for forming a gutter body according to the present invention.

FIG. 2 is a side view showing an embodiment of a mold for molding a side groove body according to the present invention.

FIG. 3 is a plan view showing an embodiment of a mold for forming a side groove body according to the present invention.

FIG. 4 is a sectional view taken along line II of FIG. 2;

5 is an enlarged view of a portion A in FIG. 4, and (a) to (f) show different embodiments.

FIG. 6 is a cross-sectional view taken along the line II of FIG. 2, showing a state in which a mold is opened.

FIG. 7 is a side view showing a state where a mold is opened.

FIG. 8 is a front view showing an embodiment of a mold for forming a gutter according to the present invention.

FIG. 9 is a side view showing an embodiment of a mold for forming the side groove cover according to the present invention.

FIG. 10 is a plan view showing an embodiment of a mold for molding a gutter according to the present invention.

11 is a sectional view taken along line II-II of FIG.

FIG. 12 is a sectional view taken along the line II-II of FIG. 9, showing an open state of the mold.

FIG. 13 is a side view showing an open state of a mold for molding a side groove cover.

FIG. 14 is a longitudinal sectional view showing a side groove formed by a mold according to the present invention.

FIG. 15 is a front view showing a side groove cover formed by a mold according to the present invention.

FIG. 16 is an enlarged sectional view showing a main part of a side groove formed by a mold according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outer formwork 2 Inner formwork 3,15 Bottom plate 4,16 Side plate 5,17 End plate 6,18 Hinge 7,19 Clamp 12 U-shaped plate (Inner formwork) 13 Step formation member 14 Reinforcement

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[Procedure amendment]

[Submission date] July 8, 1997

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claim 4

[Correction method] Change

[Correction contents]

Claims (4)

[Claims] An upper inclined surface portion formed on the inner surface of the opposed side groove wall, a curved surface portion extending continuously downward from the upper inclined surface portion, and a lower vertical surface portion extended downward continuously from the curved surface portion; A mold for molding a side groove body having a horizontal surface portion continuous with the lower vertical surface portion, a groove wall portion continuous with the horizontal surface portion, and a bottom surface portion commonly connected to the groove wall portion; The lid upper inclined surface portion facing with an interval, the lid curved surface portion and the lid curved surface portion extending downward continuously from the lid upper inclined surface portion and facing while being in line contact with the curved surface portion. A mold for forming a side groove lid having a lid lower vertical surface portion which is continuously extended downward and is opposed to the lower vertical surface portion at a small interval, wherein a mold for forming a side groove frame is: Forming U-shaped groove with outer formwork formed by bottom plate, side plate and end plate That more become within formwork composed of U-shaped plates, said U-shaped plate has an upper inclined surface portion facing the groove skeleton,
An upper inclined surface corresponding to a curved surface, a groove wall, and a bottom,
A mold having a curved surface portion, a groove wall portion, and a bottom portion, wherein the mold for forming the side groove cover is formed of a bottom plate, a side plate, and a bottom plate; A mold for forming a concrete gutter having an upper inclined surface, a curved surface, and a lower vertical surface corresponding to a lower vertical surface. 2. A reinforcing member for preventing warping and twisting of the mold due to a curved surface portion of the lid portion is provided in an inner mold of the mold for molding the side groove body. The concrete mold for forming a gutter according to claim 1, wherein: 3. The concrete according to claim 1, wherein a step-forming member is interposed at a boundary between the curved surface and the groove wall of the inner form of the form forming the side groove body. Formwork for forming gutters. 4. The concrete gutter forming formwork according to claim 1, wherein the measuring plate and the end plate are hinged to a bottom plate.