JP2020084739A - Drainage structure of down pipe and roof structure including the same - Google Patents

Abstract

To provide a drainage structure of a down pipe and a roof structure which have good designability, have a small number of components and have good assemblability.SOLUTION: A drainage structure 60 of a down pipe 2 is a drainage structure of a down pipe 2 which discharges water passing through inside of the down pipe 2 via a drainage opening 262, in which the drainage opening 262 includes a base material 61 which is opened to the side part on the side face on the lower side of the down pipe 2 and can be arranged on the side face of the down pipe 2 in a state of being fit into the drainage opening 262 and positioned, a screw member 63 which fixes the base material 61 to the side face of the down pipe 2, and a cover material 62 which is fit into the base material 61 so as to cover the screw member 63 and is arranged.SELECTED DRAWING: Figure 10

Description

The present invention relates to a drainage structure for a downspout and a roof structure including the same.

Conventionally, for example, in a roof structure, a structure is known in which a part of the pillar is configured as a downspout, a drainage opening is provided at a lower end of the pillar, and water is discharged through the drainage opening (for example, See Patent Document 1).

JP, 2018-123647, A

When the water is discharged through the drainage opening provided at the lower end of the column, the direction in which the water is discharged is constant, so it may be desired to change the direction in which the water is discharged. In such a case, there is a demand for a drainage structure that has a good design, has a small number of parts, and is easy to assemble.

It is an object of the present invention to provide a vertical gutter drainage structure and a roof structure which have good designability, a small number of parts, and good assemblability.

The present invention is directed to a drainage structure of a downspout (for example, a later-described drainage structure that drains water that passes through an inside of a downspout (e.g., a post 2 described later) through a drainage opening (for example, a side drainage opening tubular portion 262 described later). The drainage structure 60) of the column 2, wherein the drainage opening is opened laterally on the lower side surface of the downspout, and the downflow gutter is fitted and positioned in the drainage opening. A base member (for example, a base member 61 described later) that can be arranged on a side surface of the slab, a screw member (for example, a screw member 63 described below) that fixes the base member to the side face of the downspout, and the screw member is covered. And a cover member (for example, a cover member 62 described later) fitted to the base member, and a drainage structure of the downspout.

Further, the base material is formed in a U-shaped cross section, and is fixed to a side surface of the vertical gutter by the screw member at a closed portion in the U-shaped cross section of the base material, and the cover material is formed in a U-shaped cross section. It is preferable that the cover member is fitted to the base member in a state where the U-shaped closed portion of the cover member is arranged so as to cover the screw member.

Further, in the state where the cover member is attached to the base member, the cover member is formed on one end side, and an inner opening portion (for example, a base material side drainage opening cylindrical portion 613 described later) and an outer opening portion (for example, a cover member described later) are formed. And a drainage member having a connecting tubular portion (for example, a connecting tubular portion 652 described later) connectable to the double tubular connecting portion. preferable.

In addition, the double tubular connection portion includes the inner opening formed in one of the base material and the cover material, and the outer opening formed in the other of the base material and the cover material. It is preferable that either the inner opening and the outer opening are formed in either the base material or the cover material.

Further, in the double tubular connection portion, the tip of the inner opening (for example, a tip 613a described later) is at the same position as the tip of the outer opening (for example, a tip 621b described below) or the tip of the outer opening. It is preferable to be arranged so as to be located on the inner side of (for example, a tip 621b described later).

Further, it is preferable that the drain member has a guide member (for example, drain guide parts 66, 66A described later) formed in a linear or L-shaped tubular shape.

Further, it has a damming portion (eg, lower cover-side fitting protrusion 622a described later) that is formed so as to project upward from a lower surface plate (for example, lower surface plate 623a described later) of the cover material and dams water. Is preferred.

Further, a roof structure (for example, a roof body 4 described later), a vertical gutter provided with a drainage opening for discharging water passing through the inside, and a drainage structure of the vertical gutter (for example, a later-described roof structure). Regarding terrace 1).

ADVANTAGE OF THE INVENTION According to this invention, the drainage structure of a downspout and the roof structure which have favorable designability, a small number of parts, and favorable assembly property can be provided.

It is the perspective view which looked at the terrace concerning one embodiment of the present invention from the slanting upper part side. It is the sectional view on the AA line in FIG. It is a perspective view which shows the structure of the drainage structure of a pillar. It is an exploded perspective view showing composition of a drainage structure of a pillar. It is the BB sectional view taken on the line of FIG. It is CC sectional view taken on the line of FIG. It is the DD sectional view taken on the line of FIG. It is a perspective view which shows a double tubular connection part. It is the EE sectional view taken on the line of FIG. It is a figure which shows the procedure which attaches a drainage guide member to a support|pillar, Comprising: It is a figure which shows the procedure which attaches a cover material, after attaching a base material to a support pillar. It is a figure which shows the procedure which attaches a drainage guidance structure part to a support|pillar, and shows a procedure which attaches a relay member to a double tubular connection part, and then attaches a drainage guidance structure part to a relay member. It is a figure showing drainage structure 60A of a vertical gutter of a modification.

Hereinafter, an embodiment of a roof structure having a support column drainage structure of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of a terrace 1 according to an embodiment of the present invention viewed from an obliquely upper side. FIG. 2 is a sectional view taken along the line AA in FIG. In the present embodiment, an example in which the roof structure is applied to the terrace 1 will be described. In the present embodiment, an example in which the roof structure is applied to the terrace 1 will be described, but the present invention is not limited to this. For example, the roof structure may be applied to a structure other than the terrace, for example, a structure such as a carport, a bicycle parking lot, a shelter, a rest area, or a bus stop.

In the description of the present embodiment, the direction in which the plurality of long shaped members (long members) 41 forming the roof body 4 of the terrace 1 extend is also referred to as the left-right direction X (longitudinal direction of the long shaped members 41). .. The direction in which the beam 3 extends is also referred to as the front-back direction Y. In the front-back direction Y, the body 10 side is also referred to as the body side Y1 or the front side Y1, and the side opposite to the body 10 is also referred to as the body opposite side Y2 or the rear side Y2.

First, the overall structure of the terrace 1 of this embodiment will be described. As shown in FIG. 1, the terrace 1 is a terrace having a so-called cantilever structure in which the roof body 4 is supported by a pair of columns 2 on the base end side in the front-rear direction (left front side in FIG. 1). Further, the terrace 1 of the present embodiment has a suspension structure in which the roof body 4 is suspended and connected to the lower portion (downward) of the beam 3 connected to the support pillar 2.
In addition, the terrace 1 is an independent terrace in which the tip of the roof body 4 is separated from the building body 10 having the building wall surface and the building opening, and is arranged to face the building body 10. The gap between the roof body 4 and the skeleton body 10 is closed by a gap closing unit 7.

The terrace 1 of the present embodiment is connected to a pair of columns 2 (vertical gutters) erected on the ground 11, beams 3 extending from the upper end of the columns 2 in a direction intersecting with the columns, and lower portions of the beams 3. The roof body 4 and the gap closing unit 7 are provided. The plurality of long shaped members 41 forming the pillars 2, the beams 3 and the roof body 4 are formed of extruded shaped members of aluminum material and have a hollow structure having a hollow portion having a hollow cross section. In the present embodiment, the ground surface 11 is inclined so as to descend from the skeleton body 10 toward the pillar 2 side.

As shown in FIG. 1, the pair of support columns 2 are arranged on the base end side (left front side in FIG. 1) of the terrace 1 so as to be separated from each other in the left-right direction of the terrace 1.
As shown in FIGS. 1 and 2, the pillar 2 includes a hollow pillar main body 21 having a cross-section formed in a rectangular tube shape, and a side of the pillar main body 21 on the roof body 4 side to the roof body 4 side. And a pair of cover mounting walls 22 that protrude and extend in the up-down direction. A column cover member 23 is attached to the pair of cover attachment walls 22. A column cap 24 is arranged at the upper end of the column 2 so as to cover the opening at the upper end of the column 2.

Water discharged from the roof-body-side gutter-constituting portion 40 (described later) of the roof body 4 flows between the pillar main body 21 and the pillar cover member 23. Water discharged from the roof-side gutter component 40 (described later) flows between the strut body 21 and the strut cover member 23, and the water flows. Therefore, as shown in FIG. The cover member 23 is configured as a strut-side gutter component 20 (strut-side gutter structure). That is, the column 2 forms a downspout. In the present embodiment, a hose for a rain gutter or the like is not arranged between the column main body 21 and the column cover member 23, and only the column main body 21 and the column cover member 23 constitute a downspout. Since the side surface of the pillar main body 21 on the roof body 4 side is covered with the pillar cover member 23, the pillar side gutter component 20 is not visible from the outside of the terrace 1. Therefore, it is not visible from the outside that the support column 2 has a gutter function, and the design can be improved.

As shown in FIGS. 1 and 2, the drainage guide component 6 is attached to the lower end of the pair of columns 2 on one side in the left-right direction (on the right front side in FIG. 1) near the ground 11. The drainage guiding component 6 guides the water flowing through the column-side gutter component 20 (described later) configured by the column main body 21 and the column cover member 23 to the outside on the one side in the front-rear direction (the side opposite to the building). To discharge.

The pair of beams 3 are arranged apart from each other in the left-right direction of the terrace 1. Each of the pair of beams 3 extends in the front-rear direction and is formed with a downward slope that descends toward the column 2. The beam 3 has a base end side arranged on the column 2 side and extends from the base end side to the tip end side. As shown in FIG. 2, the base end side ends (left side end parts) of the pair of beams 3 are connected to the upper ends of the columns 2 via L-shaped connecting members 25. The roof body 4 is connected to the lower portions of the pair of beams 3.

As shown in FIGS. 1 and 2, the pair of beams 3 has a beam-side hollow portion 31, a cross-section of which is formed into a rectangular tube shape, an extension plate portion 32 (lower extension plate), and an end cap. 33, and.

The tip end 31a of the beam-side hollow portion 31 is formed with an upward inclination that goes upward from the tip end side toward the base end side (post 2 side) so that the tip end side upper end portion is inclined and cut out.

The extension plate portion 32 extends from the lower end portion of the beam side hollow portion 31 toward the center side in the left-right direction of the roof body 4 (the side of the pair of beams 3 that is different from the beam 3). In addition, it is formed in a plate shape extending in the front-rear direction. The extending plate portion 32 is fixed to the roof body 4 at the extending plate portion 32 by a plurality of screw members 101 arranged side by side in the front-rear direction.

The roof body 4 is arranged below the beam 3. As shown in FIG. 2, the roof body 4 has a hanging structure in which the roof body 4 is hung and arranged under the pair of beams 3, and is attached (connected) to the bottom of the pair of beams 3. .. The roof body 4 is configured by a plurality of long shaped members (long members) 41 being continuously arranged side by side in the extending direction of the beam 3 and fitted and connected to each other.

Each of the plurality of long shaped members 41 extends in the left-right direction of the terrace 1 (direction orthogonal to the direction in which the beam 3 extends) and has a predetermined thickness. Each of the plurality of elongated shape members 41 is formed of an extruded shape member of an aluminum material and has a hollow structure having a hollow portion having a hollow cross section. The roof body 4 has a flat upper surface 4a and a lower surface 4b. The roof body 4 is arranged in a downward slope with the pillar 2 side down, and the upper surface 4a and the lower surface 4b are formed with a downward slope in the pillar 2 side. By constructing the roof body 4 by connecting a plurality of long shape members 41 formed of extruded shape members of aluminum material, the plurality of long shape members 41 can be used as a face material of the roof body 4, and The strength of the roof body 4 can be secured. In addition, by constructing the plurality of long shaped members 41 forming the roof body 4 by the shape member having the hollow portion, the roof body 4 itself can be used as a strength member, and a member for increasing the strength of the roof body 4. There is no need to provide a separate. Therefore, the number of parts of the members forming the roof body 4 can be reduced.

As shown in FIG. 2, the plurality of long shaped members 41 constituting the roof body 4 include a tip side shaped member 42 arranged at the most tip side and a gutter structure arranged at the most base end side of the support column 2 side. It is configured by including a shape member 44 and a plurality of intermediate shape members 43 arranged between the front end side shape member 42 and the gutter-constituting shape member 44. Each of the plurality of long shape members 41 is directly fixed and connected to the beam 3 by the screw member 101.

The gutter component 44 is arranged in parallel with the end of the roof body 4 on the base end side (post 2 side) in the direction in which the plurality of long shape members 41 are arranged, and the upper side is open toward the upper side. It is formed of a scale member. In the present embodiment, the gutter component 44 is formed of a solid material having no hollow portion and has a U-shaped cross section with an opening on the upper side.

The gutter component 44 receives the water that has flowed to the base end side of the upper surface 4a of the roof body 4 and reaches the base end side end of the roof body 4 at the most base end side of the pillar 2. The roof side gutter component 40 to be circulated is configured. An L-shaped guide member 47 is connected to the lead-out opening formed on the side surface of the roof-body-side gutter component 40.

The guide member 47 guides the water, which has flowed into the roof side gutter component 40 and accumulated therein, to the support side gutter component 20. The guide member 47 is formed in a tubular shape that is inclined obliquely downward to the side of the strut-side gutter structure 20.
The water guided by the guide member 47 to the strut-side gutter forming section 20 flows from the upper side to the lower side inside the strut-side gutter forming section 20 constituted by the strut body 21 and the strut cover member 23, and the strut 2 It is discharged to the outside by the drainage guide component 6 attached to the lower part of the.

Next, the drainage structure 60 of the pillar 2 (drainage structure of the downspout) according to the present invention will be described.
FIG. 3 is a perspective view showing the structure of the drainage structure 60 of the column 2. FIG. 4 is an exploded perspective view showing the configuration of the drainage structure 60 of the column 2. FIG. 5 is a sectional view taken along line BB of FIG. FIG. 6 is a sectional view taken along the line CC of FIG. FIG. 7 is a sectional view taken along line DD of FIG. FIG. 8 is a perspective view showing the double tubular connection portion 610. FIG. 9 is a sectional view taken along the line EE of FIG.

As shown in FIG. 3, the drainage structure 60 of the pillar 2 is configured by fixing the drainage guiding component 6 to the pillar 2. As shown in FIG. 4, the water that passes through the strut-side gutter component 20 inside the strut 2 is discharged through the lateral drainage opening cylindrical portion 262 (drainage opening) provided in the strut 2. The drainage guiding component 6 allows the water flowing through the column-side gutter component 20 of the column 2 and discharged from the lateral drainage opening tubular part 262 to be located on the rear side Y2 of the terrace 1 in the front-rear direction Y (the side Y2 opposite to the frame 10). ) Outside.

The side drainage part 26 provided in the support|pillar 2 is demonstrated.
As shown in FIG. 4, the side drainage part 26 drains the water receiving part 261 arranged inside the support column 2 and the water received by the water receiving part 261 to the side (outward in the left-right direction X). And a lateral drainage opening cylinder portion 262 (drainage opening portion).

The water receiving portion 261 receives the water passing through the strut-side gutter component 20 inside the strut 2.
The lateral drainage opening tubular portion 262 is formed on the body 10 side Y1 in the front-rear direction Y below the outer side surface of the pillar 2 in the left-right direction X (side surface outside the terrace 1 in the left-right direction X). The lateral drainage opening tubular portion 262 is formed by being surrounded by a rectangular tubular wall 262 a projecting laterally outward in the left-right direction X from the outer side surface in the left-right direction X of the column 2, and the lower side of the column 2. It is open to the side on the side. The lateral drainage opening tubular portion 262 is formed in a rectangular tubular shape whose opening portion extends in the vertical direction. A flange 262b protruding outward from the peripheral surface of the lateral drainage opening tubular portion 262 is formed on the support 2 side of the lateral drainage opening tubular portion 262.

The drainage guiding component 6 will be described.
The drainage guiding component 6 changes the drainage direction of the drainage discharged from the lateral drainage opening tubular portion 262 of the column 2. As shown in FIGS. 4 to 6, the drainage guiding component 6 includes a base material 61, a cover material 62, a screw member 63, and a drainage member 64.

The base material 61 can be arranged on the side surface of the support column 2 while being fitted and positioned in the lateral drainage opening tubular portion 262 of the support column 2. As shown in FIG. 7, the base material 61 is formed in a U-shape in a vertical cross section cut along the left-right direction X. As shown in FIGS. 4 to 7, the base material 61 includes a base material side plate 611 forming a closed portion in a U shape, a base material wall portion 612, a base material side drainage opening tubular portion 613 (inner opening). Section), a base material side introduction opening 614, a pair of base material side fitting protrusions 615, a restricting ridge portion 616, and a fitting edge portion 617.

As shown in FIG. 4, the base material side surface plate 611 is arranged along the side surface of the support column 2 and has an end on the rear side Y2 (the side Y2 opposite to the body 10) of the side drainage opening tubular portion 262 provided on the support column 2. From the part, it extends to the rear side Y2 (the side Y2 opposite to the skeleton 10). The base material side surface plate 611 is fixed to the side surface of the column 2 by the screw member 63. A base material side introduction opening 614 is formed on the front side Y1 (the body 10 side Y1) of the base material side plate 611.

The base material wall portion 612 rises outward in the left-right direction X from the peripheral edges of the base material side surface plate 611 and the base material side introduction opening 614 which are arranged side by side in the front-rear direction Y on the side surface of the column 2. As shown in FIG. 5, the base material wall portion 612 has a U-shaped vertical cross-sectional shape cut along the front-rear direction Y, and a U-shaped closed portion is arranged on the body 10 side Y1. The character-shaped open portion is arranged on the side Y2 opposite to the body 10. The end of the base material wall portion 612 on the side opposite to the body 10 on the side Y2 is formed shorter on the body 10 side Y1 than the end of the base material side plate 611.

The base material side introduction opening 614 is formed in the base material 61 on the body 10 side Y1. The base material side introduction opening 614 is opened in the side of the base material side surface plate 611 on the side of the body 10 in the side direction (lateral direction X). The base material side introduction opening 614 is formed in such a size that the side drainage opening tubular portion 262 can be fitted therein. The size of the base material side introduction opening 614 is, for example, formed to be the same as or slightly larger than the outer shape of the lateral drainage opening tubular portion 262 of the support column 2. Thereby, the position of the base material 61 with respect to the support column 2 can be positioned only by fitting the base material side introduction opening 614 into the lateral drainage opening tubular portion 262.

As shown in FIG. 6, a mounting recess 614a is formed on the peripheral edge of the base material side introduction opening 614. When the base material side introduction opening 614 is fitted into the lateral drainage opening tubular portion 262, the mounting recess 614a is fitted with the flange 262b formed at the end of the lateral drainage opening tubular portion 262 on the column 2 side.

The base material side drainage opening tubular portion 613 is formed at the end of the base material wall portion 612 of the base material 61 on the side Y2 opposite to the body 10. The base material side drainage opening tube portion 613 discharges the water introduced from the base material side introduction opening 614 to the rear side Y2 (the side Y2 opposite to the skeleton 10). The base material side drainage opening tubular portion 613 is arranged along the base material side surface plate 611 from the end of the rear side Y2 (the side opposite to the body 10) of the base material wall portion 612 of the base material 61 along the rear side Y2 (the body). It is formed in a rectangular tubular shape extending to the side Y2) opposite to 10, and opens to the rear side Y2 (the side Y2 opposite to the skeleton 10). As shown in FIG. 8, the base material side drain opening tubular portion 613 is provided with a gap S between the base material side surface plate 611 and the base material side surface plate 611 at the end portion of the base material side surface plate 611 on the opposite side Y2. And is arranged along the base material side plate 611.

The pair of base material side fitting protrusions 615 extend in the front-rear direction Y of the column 2 at the upper end portion and the lower end portion of the base material side surface plate 611, respectively. The pair of base material side fitting projections 615 respectively project from the upper end portion or the lower end portion of the base material side surface plate 611 to the side away from the column 2, and project from the protruding tips to the outside in the vertical direction. The base material side fitting protrusion 615 fits to the cover side fitting protrusion 622 (described later) of the cover material 62 when the cover material 62 is attached to the base material 61.

As shown in FIG. 4, the screw member 63 fixes the side surface plate 611 of the base material to the side surface of the column 2. Inside the base member 61, the screw member 63 is moved from the lateral side of the base member side plate 611 outside the strut 2 in the left-right direction X and the side opposite to the side Y2 to the lateral strut 2 side, and the screw head is moved. Inside the base material 61, the base material side surface plate 611 is screwed so as to be arranged on the inner surface.

The cover member 62 is arranged so as to be fitted to the base member 61 so as to cover the screw member 63 so that the screw member 63 cannot be visually recognized from the outside. As shown in FIG. 7, the cover member 62 has a vertical cross section cut along the left-right direction X and has a U-shaped cross section. By attaching the cover material 62 to the base material 61, the cover material 62 is fitted to the base material 61 in a state where the U-shaped closed portion of the cover material 62 is arranged so as to cover the screw member 63. To do. As shown in FIGS. 7 and 8, the cover member 62 has a cover body 621 and a pair of cover-side fitting protrusions 622.

As shown in FIGS. 7 to 9, the pair of cover-side fitting protrusions 622 respectively extend inward in the vertical direction from the ends of the upper plate 623b and the lower plate 623a of the cover body 621 on the column 2 side in the left-right direction X. It protrudes (upper side or lower side). As shown in FIG. 4, the cover-side fitting protrusion 622 extends in the front-rear direction Y of the cover body 621 from the end on the side Y2 opposite to the body 10 to the body 10 side Y1. The cover-side fitting protrusion 622 is fitted to the base-material-side fitting protrusion 615 of the base member 61 when the cover member 62 is attached to the base member 61.

Of the pair of cover-side fitting protrusions 622, the lower cover-side fitting protrusion 622a constitutes a damming portion. The lower cover-side fitting protrusion 622a is formed so as to project upward from the lower surface plate 632a of the cover material 62 and extends in the front-rear direction Y. The lower cover side fitting protrusion 622a blocks the water and guides the water in the draining direction.

A cover material side opening 621a (outside opening) is formed at the end of the rear side Y2 (the side Y2 opposite to the body 10) of the cover body 621. As shown in FIG. 8, the cover material side opening 621a is arranged outside the base material side drainage opening tubular portion 613 with a gap S therebetween. The cover material side opening 621a of the cover material 62 is arranged outside the base material side drainage opening tubular portion 613 with a gap S therebetween, thereby forming the double tubular connection portion 610. The double tubular connection portion 610 includes a cover material side opening 621 a of the cover material 62 and a tubular base material side drainage opening tubular portion 613 of the base material 61. As shown in FIG. 9, a connection tubular portion 652 (described later) of the relay member 65 of the drainage member 64 that discharges water to the outside can be inserted and connected into the gap S of the double tubular connection portion 610. The double tubular connection portion 610 is formed on one end side opposite to the base material side introduction opening 614 in a state where the cover material 62 is attached to the base material 61.

In the present embodiment, as shown in FIGS. 5 and 6, in the base material side drainage opening tubular portion 613 and the cover material side drainage tubular portion 621 of the double tubular connection portion 610, Y2 of the base material side drainage opening tubular portion 613 is formed. The tip 613a on the side is arranged so as to be located at the same position as the tip 621b on the Y2 side of the cover-side opening 621a. As a result, the base material-side drainage opening tubular portion 613 arranged inside the double tubular connection portion 610 is difficult to be seen from the outside in a state where the drainage member 64 is not attached to the double tubular connection portion 610. Therefore, the designability can be improved. The position of the Y2 side tip 613a of the base material side drainage opening tubular portion 613 may be arranged to be located on the inner side of the Y2 side tip 621b of the cover material side opening 621a. Also in this case, similarly, the base material side drainage opening tubular portion 613 arranged inside the double tubular connection portion 610 is difficult to be seen from the outside in the state where the drainage member 64 is not attached to the double tubular connection portion 610. ..

As shown in FIG. 4, the drainage member 64 has a relay member 65 and a drainage guide component 66 (guide member).
In the relay member 65, the body 10 side Y1 can be attached to the double tubular connection portion 610, and the drainage guide component 66 can be attached to the body 10 opposite side Y2.

The relay member 65 has a rectangular parallelepiped portion 651 and a tubular body portion 653.
The rectangular parallelepiped portion 651 is formed on the body 10 side Y1 of the relay member 65, and the body 10 side Y1 is formed with a connection tube portion 652 connectable to the double tubular connection portion 610. The connection tube portion 652 is formed so as to open on the body 10 side Y1 on the body 10 side Y1, and the opening portion is formed in a rectangular tube shape extending in the vertical direction.

A pair of fitting claws 652a is formed at the end of the connecting tube portion 652 on the body 10 side Y1. The pair of fitting claws 652a are formed apart from each other in the left-right direction X at the end of the front side Y1 (the body 10 side Y1) of the connection tubular portion 652. The pair of fitting claws 652a are inserted into the gap S (see FIG. 7) of the double tubular connection portion 610 when the relay member 65 is attached to the double tubular connection portion 610, and fit into the fitting edge portion 617. To do.

The tubular portion 653 is connected to the skeleton 10 side Y1 of the rectangular parallelepiped portion 651 and is formed in a tubular shape penetrating in the front-rear direction Y. The tubular portion 653 has a large diameter portion 654 having a pair of convex portions 654a and a small diameter mounting portion 655 having a pair of engaging convex portions 655a.

The large-diameter portion 654 is arranged on the skeleton 10 side Y1 of the tubular portion 653. The pair of convex portions 654a are formed on the outer peripheral surface of the large diameter portion so as to be separated from each other in the radial direction.
The small-diameter mounting portion 655 is arranged on the side Y2 of the large-diameter portion 654 opposite to the body 10. The pair of engaging protrusions 655a are formed on the outer peripheral surface of the small-diameter mounting portion 655 so as to be radially separated from each other. The drainage guide component 66 is connected to the small-diameter mounting portion 655. The pair of engaging protrusions 655a engages with the inner peripheral surface of the drainage guide component 66 when the drainage guide component 66 is attached to the small-diameter attachment portion 655. An adhesive may be applied to the connection between the drainage guide component 66 and the small-diameter mounting portion 655.

The drainage guide component 66 is formed in a cylindrical shape and extends linearly in the front-rear direction Y. It is attached to the small-diameter attachment portion 655 of the tubular portion 653 of the relay member 65. In the present embodiment, the drainage guide component 66 is formed in a straight tubular shape. As a result, the drainage can be guided far away from the terrace 1. Note that, for example, as shown in FIG. 11, an L-shaped tubular drainage guide component 66A may be used instead of the linear drainage guide component 66. By using the L-shaped tubular drainage guide component 66A, for example, by connecting to a drainage pipe (not shown) installed inside the ground 11, drainage can be performed via the drainage pipe. it can. When connecting the L-shaped tubular drainage guide component 66A to the relay member 65, one end 661 is connected to the large diameter portion 654 of the relay member 65, and the other end 662 is connected to the drainage pipe. (Not shown).
The drainage guide parts 66, 66A may be constructed as retrofit parts.

Next, a procedure for attaching the drainage guiding component 6 to the support column 2 will be described. FIG. 10 is a diagram showing a procedure for attaching the drainage guiding component 6 to the column 2, and is a diagram showing a procedure for attaching the cover material after attaching the base material to the column. FIG. 11: is a figure which shows the method of attaching the drainage guidance structure part 6 to the support|pillar 2, The procedure which attaches the relay member 65 to the double tubular connection part 610, and after that attaches the drainage guidance components 66 and 66A to the relay member 65. FIG.

First, the base material 61 is attached to the column 2. In this case, from the state before the base material 61 shown in FIG. 4 is attached to the support column 2, as shown in FIG. 10, the base material side introduction opening 614 of the base material 61 is provided on the side surface on the lower side of the support column 2. The base member 61 is attached to the side surface of the support column 2 by fitting it into the lateral drainage opening tubular portion 262 that opens toward the side. In this way, by simply fitting the base material side introduction opening 614 into the lateral drainage opening tubular portion 262, the base material 61 is easily attached to the side surface of the pillar 2 with the position of the base material 61 relative to the pillar 2 being positioned. be able to.

Subsequently, the base member side plate 611 of the base member 61 is fixed to the side surface of the support column 2 from the inside of the base member 61 by the screw member 63. The screw head of the screw member 63 is screwed so as to be arranged on the inner surface of the base material side plate 611 inside the base material 61. As a result, the base member 61 can be fixed to the support column 2 by the screw member 63 while the base member 61 is positioned.

Next, the cover member 62 is attached to the base member 61 so as to cover the screw member 63. In this case, the cover material 62 can be attached to the base material 61 by fitting the pair of cover-side fitting projections 622 of the cover material 62 to the pair of base-material-side fitting projections 615 of the base material 61. it can. Accordingly, the drainage direction of the water discharged to one side in the left-right direction X by the side drainage opening tubular portion 262 that opens laterally on the lower side surface of the support column 2 is defined as the body 10 in the front-rear direction Y. The direction can be changed to the opposite side Y2.

According to the drainage structure 60 of the strut 2 configured as described above, by covering the screw member 63 with the cover material 62, the screw member 63 is not exposed to the outside, and thus the design is good.
Further, since the two main components for changing the drainage direction can be the base member 61 and the cover member 62, the number of parts can be reduced.
Further, by fitting the pair of cover-side fitting protrusions 622 of the cover member 62 to the pair of base-member-side fitting protrusions 615 of the base member 61, the cover member 62 can be attached to the base member 61. Good assemblability.

Further, from this state, as shown in FIG. 11, the relay member 65 and the drainage guide parts 66, 66A can be connected to the double tubular connection part 610 formed by the cover material 62 and the base material 61. When the relay member 65 is attached to the double tubular connecting portion 610 formed by the cover material 62 and the base material 61, the connecting tubular portion 652 is inserted into the gap S of the double tubular connecting portion 610 to form the base material 61. The pair of fitting claws 652a of the connection tubular portion 652 are fitted to the fitting edge portion 617 (see FIG. 10). Thereby, the relay member 65 can be attached to the double tubular connection portion 610.

Next, the drainage guide parts 66, 66A are attached to the relay member 65. Here, to the relay member 65, a drainage guiding component 66 formed in a straight tubular shape may be attached, or an L-shaped tubular drainage guiding component 66A may be attached.
For example, by attaching the linear tubular drainage guide component 66 to the small-diameter attachment portion 655 of the relay member 65, it is possible to perform drainage toward a location distant from the skeleton 10 on the opposite side Y2. Further, one end 661 of the L-shaped tubular drainage guide component 66A is connected to the large diameter portion 654 of the relay member 65, and the other end 662 is installed inside the ground 11 for drainage (not shown). By connecting to, it is possible to drain water through the drainage pipe.

According to the drainage structure 60 of the pillar 2 of the present embodiment described above, the following effects are achieved.
The drainage structure 60 of the pillar 2 of the present embodiment is a drainage structure of the pillar 2 that drains water passing through the inside of the pillar 2 through the side drainage opening tubular portion 262. A base material 61 that is open to the side on the lower side surface of the pillar 2 and that can be arranged on the side surface of the pillar 2 in a state of being fitted and positioned in the lateral drainage opening tubular portion 262, and the base material 61. A screw member 63 fixed to the side surface of the base member, and a cover member 62 fitted and arranged on the base member 61 so as to cover the screw member 63. Therefore, by covering the screw member 63 with the cover material 62, the screw member 63 is not exposed to the outside, so that the design is good. Further, since the two main components for changing the drainage direction can be the base member 61 and the cover member 62, the number of parts can be reduced. Further, by fitting the pair of cover-side fitting protrusions 622 of the cover member 62 to the pair of base-member-side fitting protrusions 615 of the base member 61, the cover member 62 can be attached to the base member 61. Good assemblability. Therefore, it is possible to provide a drainage structure that has a good design, has a small number of parts, and has a good assembling property.

Further, in the present embodiment, the base material 61 is formed in a U-shaped cross section, and is fixed to the side surface of the column 2 by the screw member 63 at the closed portion of the U-shaped base material 61, and the cover material 62 is The cover member 62 is formed in a U-shape, and is fitted in the base member 61 in a state where the closed portion of the cover member 62 in the U-shape is arranged so as to cover the screw member 63. Accordingly, the screw member 63 can be covered only by fitting the cover member 62 having a U-shaped cross section to the base member 61 having a U-shaped cross section, and thus the assembly can be easily performed.

In addition, in the present embodiment, the base material 61 has a cylindrical base material side drainage opening tubular portion 613 that discharges water, and the cover material 62 has a gap S outside the base material side drainage opening tubular portion 613. Has a cover material side opening 621a arranged in a state where the base material side drain opening opening cylinder portion 613 and the cover material side opening portion 621a constitute a double tubular connection portion 610. Further, the drainage member 64 having the connection tubular portion 652 connectable to the 610 is further provided. Accordingly, the drainage member 64 can be easily connected at the double tubular connection portion 610, so that the drainage after the drainage direction is changed by the base material 61 and the cover material 62 can be easily guided.

Further, in the present embodiment, in the double tubular connection portion 610, the tip 613a of the base material side drainage opening tubular portion 613 is at the same position as the tip 621b of the cover material side opening 621a or the tip of the cover material side opening 621a. It is arranged so as to be located inside the 621b. As a result, the tip 613a of the base material-side drainage opening cylindrical portion 613 arranged inside does not project, so the shape of the double tubular connection portion 610 is formed neatly, and the designability can be improved.

In addition, in the present embodiment, the drainage member 64 has drainage guiding components 66 and 66A formed in a linear or L-shaped tubular shape. By forming the drainage guide component 66 into a straight tubular shape, it is possible to guide the drainage away from the terrace 1. Further, by forming the drainage guide component 66A into an L-shaped tubular shape, for example, by connecting to a drainage pipe (not shown) installed inside the ground 11, the drainage pipe is Can be drained. Therefore, the drainage can be guided to various places by using the guide component. Thereby, even if the place where the drainage is guided is different, it can be dealt with by appropriately selecting the drainage guiding components 66, 66A and the like.

Further, in the present embodiment, there is a lower cover side fitting protrusion 622a which is formed so as to project upward from the lower surface plate of the base material 61 and blocks water. Accordingly, the lower cover-side fitting protrusion 622a can block the water and guide the water in the draining direction.

Although a preferred embodiment of the drainage structure for the pillar 2 of the present invention has been described above, the present invention is not limited to the above-described embodiment, and can be appropriately modified.
For example, in the above-described embodiment, the double tubular connection portion 610 includes the cover material side opening 621a of the cover material 62 and the base material side drainage opening tubular portion 613, but the invention is not limited to this. For example, as shown in FIG. 12, the double tubular connection portion 610A includes a cover body 621A (outer opening portion) and a cover material-side drainage opening tubular portion 624 (inner opening portion) provided at one end of the cover material 62. You may. FIG. 12: is a figure which shows the drainage structure 60A of the downspout of a modification.

In FIG. 12, a cover material side opening 618 is formed on one end side of the base material 61A. A tubular cover material side drainage opening tubular portion 624 (inner tubular portion) is arranged inside the cover body 621A at one end side of the cover material 62A. Accordingly, in the state where the cover material 62A is attached to the base material 61A, the cover material side drainage opening tubular portion 624 (inner opening portion) and the cover body 621A (outer opening portion) that are arranged on one end side of the cover material 62A. The double tubular connection portion 610A is configured by.

In addition, the double tubular connection portion forms the base material side drainage opening tubular portion (inner opening portion) in the base material 61 like the double tubular connection portion 610 of the embodiment shown in FIG. It is not limited to forming a cover material side opening (outer opening) in the above and constructing a double tubular connecting portion by combining these, and the double tubular connecting portion 610A of the modified embodiment shown in FIG. Thus, the cover material 62A is not limited to the double tubular connection portion by providing both the cover material side drainage opening tubular portion 624 (inner opening portion) and the cover body 621A (outer opening portion). For example, a double tubular connection may be constructed by providing both the inner opening and the outer opening in the base material. In addition, a base material side opening (inner opening) is formed in the base material 61, a cylindrical cover material side opening (outer opening) is formed in the cover material 62, and these are combined to form a double tubular connection. You may comprise a part.

Moreover, in the said embodiment, although the roof body 4 was comprised by arranging the several elongate shape material in a row, it is not limited to this.
Further, in the above-described embodiment, the roof structure has a structure in which the roof body is hung from the beam, but the structure is not limited to this, and the roof body may be arranged above the beam.

Further, in the above-described embodiment, the pillar 2 is configured as a downspout (the pillar 2 and the downspout are integrated), but the present invention is not limited to this. For example, the vertical gutter may be configured separately from the support, and the separate vertical gutter may be attached to the support.

1 terrace (roof structure)
2 columns (vertical gutter)
4 Roof body 60 Drainage structure of downspout 61 Base material 62 Cover material 63 Screw member 64 Drainage member 66 Drainage induction component (induction member)
66A Drainage guide parts (guide member)
262 Lateral drainage opening cylinder (drainage opening)
610, 610A Double tubular connection portion 613 Base material side drainage opening tubular portion (inner opening portion)
613a Tip of the drainage opening cylindrical portion on the base material side (tip of the drainage opening portion on the base material side)
621a Cover material side opening (outer opening)
621b Tip of cover material side opening 622a Lower cover side fitting protrusion (damming portion)
652 Connection tube part

Claims (8)

A drainage structure of a downspout that discharges water passing through the inside of the downspout through a drainage opening,
The drainage opening is opened laterally on the lower side surface of the vertical gutter,
A base material that can be arranged on the side surface of the down gutter while being fitted and positioned in the drainage opening;
A screw member for fixing the base member to the side surface of the vertical gutter,
A drainage structure of a downspout, comprising: a cover member fitted and arranged on the base member so as to cover the screw member. The base member is formed in a U-shaped cross section, and is fixed to a side surface of the down gutter by the screw member at a closed portion of the U-shaped portion of the base member,
The said cover material is formed in a C-shaped cross section, and it fits with the said base material in the state arrange|positioned so that the closed part in the C-shaped of this cover material may cover the said screw member. Drainage structure of the downspout. A double tubular connection portion formed on one end side in a state where the cover material is attached to the base material, and composed of an inner opening and an outer opening,
The drainage structure of the downspout according to claim 1 or 2, further comprising: a drainage member having a connection tubular portion connectable to the double tubular connection portion. The double tubular connection is
The inner opening formed in any one of the base material and the cover material, and the outer opening formed in the other of the base material and the cover material,
Alternatively, the drainage structure according to claim 3, wherein both the inner opening portion and the outer opening portion are formed in either the base material or the cover material. In the double tubular connection portion, the tip of the inner opening is arranged so as to be located at the same position as the tip of the outer opening or at a position more inside than the tip of the outer opening. The drainage structure of the downspout described in 4. The drainage structure of the down gutter according to claim 3, wherein the drainage member includes a guide member formed in a linear or L-shaped tubular shape. The drainage structure of the down gutter according to claim 1, further comprising a damming portion that is formed to project upward from a lower surface plate of the cover material and dams water. Roof body,
A down gutter provided with a drainage opening for discharging water passing through the inside,
A drainage structure for the downspout according to any one of claims 1 to 7, comprising a roof structure.

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