JP2021055397A - Bracket waterproof hardware and building - Google Patents

Abstract

To provide bracket waterproof hardware that provides a waterproof treatment on a bracket protruding from a longitudinal joint after an outer wall panel is attached.SOLUTION: Bracket waterproof hardware 1 is provided on a building 5 which has a bracket 6 protruding outdoors from a longitudinal joint 5a of an outer wall. The bracket waterproof hardware 1 comprises a longitudinal joint closing part 11 which enters the longitudinal joint 5a at the place where the bracket 6 protrudes from the outdoor side to close the longitudinal joint 5a, and allows water to flow down between upper and lower gaskets 7A and 7B parted by the bracket 6, and a bracket fixation part 12 which is fixed to the bracket 6 on the outdoor side of the longitudinal joint 5a.SELECTED DRAWING: Figure 3

Description

The present invention relates to an arm waterproof hardware and a building provided in a building in which an arm projectes outdoors from a vertical joint of an outer wall.

Patent Document 1 discloses a building in which an arm tree projects from a joint portion to the outside in an inter-floor portion. In this building, at the joints of the floors where the arms are provided, the floor drains that drain the water between the floors, the connecting parts connected to the floor drains, and the area around the roots of the arms. A joint-side drainage plate having a projecting cover covering the above-mentioned joint is provided, and the joint-side drainage plate is separated into an upper structure portion and a lower structure portion, and the protrusion cover portion of the upper structure portion is provided. A portion of the protruding cover of the lower structural portion is inserted inside, and a gasket is provided at the joint portion where the arm is overhanging, which is divided into upper and lower parts at the portion of the protruding cover.

Further, Patent Document 2 discloses a water blocking member attached to a protruding portion that penetrates a vertical joint of an outer wall of a building and projects to the outside. The water-stopping member has a tubular first seal portion that covers the outer periphery of the projecting portion and a lateral tension that projects from a portion on the indoor end side of the first seal portion in a direction intersecting the projecting direction of the projecting portion. It is provided with a flexible second seal having an overhang, an upward overhang, and a downward overhang.

Japanese Unexamined Patent Publication No. 2017-223056 JP-A-2018-159262

However, in the structure of Cited Document 1, the joint-side draining plate having the protruding cover covering the root side of the arm tree is fixed to the inter-floor draining plate, so that the outer wall material is not attached between the floors. , It became necessary to attach the drainer plate on the joint side, which made it difficult to waterproof the arm wood by the so-called construction method.

On the other hand, in the structure of Cited Document 2, although it is possible to waterproof the arm overhanging from the vertical joint after the outer wall panel is attached, a rubber-like seal portion is used, and the structure is waterproofed by using hardware. It cannot be processed.

An object of the present invention is to provide an arm waterproof hardware and a building capable of waterproofing an arm protruding from a vertical joint after mounting an outer wall panel.

The arm wood waterproof hardware of the present invention is an arm wood waterproof hardware provided in a building in which the arm wood projects outdoors from the vertical joint of the outer wall in order to solve the above problems, and is provided in the vertical joint of the portion where the arm tree projects. A vertical joint closing portion that enters from the outdoor side to close the vertical joint and allows water to flow downward between the upper and lower gaskets divided by the arm tree, and an arm tree fixing portion that is fixed to the arm tree on the outdoor side of the vertical joint. It is characterized by having.

With the above configuration, the telegraph waterproof hardware is fixed to the telegraph on the outdoor side of the vertical joint by the telegraph fixing portion, so that it is not necessary to be fixed to the inter-floor drainer plate even though it is a hardware, and the floor. The drainer plate can be eliminated. Then, since the vertical joint closing portion enters the vertical joint from the outdoor side, it is possible to close the vertical joint of the portion where the arm tree overhangs after the outer wall panel is attached. Moreover, since it is a hardware, it has excellent fire resistance.

The arm fixing portion has a through hole, and a fastening member may be passed through the through hole and the arm tree through hole formed in the arm tree to fix the arm tree fixing portion to the arm tree. According to this, the waterproof hardware for the arm can be easily fixed by the fastening member inserted into the through hole without using a screw.

The vertical joint closing portion may include an upper gasket overlapping portion that receives the most indoor portion of the upper gasket located above the vertical joint closing portion. According to this, the rainwater received by the gasket can flow downward at the overlapping portion of the upper gasket.

The vertical joint closing portion may include a lower gasket overlapping portion located on the outdoor side of the most indoor side portion of the lower gasket located below the vertical joint closing portion. According to this, the water flowed down at the vertical joint closing portion can be flowed down by the lower gasket.

Even if the vertical joint closing portion is provided with a water blocking material receiving portion located substantially flush with the upper side of the horizontal joint at the intersection of the horizontal joint located below the vertical joint closing portion and the vertical joint. Good. According to this, when the water blocking material is provided in the horizontal joint, the water blocking material receiving portion can prevent the water blocking material from entering the vertical joint closing portion.

The vertical joint closing portion includes a joint front side plate portion located on the outdoor side of the vertical joint, a joint back plate portion that allows water to flow downward between the upper and lower gaskets separated by the arm tree, and a joint front plate portion. An arm wood cover plate portion that connects the joint back side plate portion and covers the arm tree may be provided. According to this, the vertical joint closing portion and the upper and lower gaskets can be connected by the joint back side plate portion, and by being composed of these plate portions, the amount of iron plate used can be reduced.

The above-mentioned arm wood waterproof hardware may be separated into an upper portion and a lower portion. According to this, the attachment of the arm waterproof hardware becomes easier than the work of inserting the arm waterproof hardware from the tip of the arm tree.

Further, the building of the present invention is a building provided with the waterproof hardware for the arm, and the girder portion on which the arm is supported is covered by the lower side of the outer wall panel.

According to the present invention, the arm is fixed to the arm on the outdoor side of the vertical joint by the arm fixing portion of the waterproof metal, so that it is not necessary to be fixed to the inter-floor drainer even though it is a hardware, and the inter-floor drainer can be used. It can be made unnecessary. Then, since the vertical joint closing portion enters the vertical joint from the outdoor side, it is possible to close the vertical joint of the portion where the arm overhangs after the outer wall panel is attached. In addition, since it is a hardware, it has the effect of being excellent in fire resistance.

It is a figure which shows this embodiment, and is the vertical sectional view which showed the waterproof structure of the arm of a building, the waterproof metal of the arm, the vertical joint and the like. FIG. 1 is a horizontal cross-sectional view of the waterproof structure shown in FIG. 1, in which FIG. 1A is a cross-sectional view above the arm tree, FIG. 1B is a cross-sectional view of the arm tree portion, and FIG. It is a cross-sectional view below the arm tree. It is a schematic perspective view of the arm wood waterproof hardware of the waterproof structure shown in FIG. 1, the vertical joint, the outer wall panel and the like. It is a schematic perspective view of the arm wood waterproof hardware, the gasket, the outer wall panel and the like of the waterproof structure shown in FIG. It is a schematic perspective view which showed the upper part and the lower part of the arm wood waterproof hardware of the waterproof structure shown in FIG. 1 separated. It is explanatory drawing which showed the construction process of the waterproof structure shown in FIG. It is explanatory drawing which showed the construction process of the waterproof structure shown in FIG.

Hereinafter, the arm wood waterproof hardware according to the embodiment of the present invention will be described with reference to the accompanying drawings. As shown in FIGS. 1 and 2, the arm waterproof hardware 1 is provided at a position where the arm 6 projects outdoors from the vertical joint 5a of the outer wall of the building 5. The arm 6 is fixed to, for example, a body difference portion 52 of a building, and receives a load of an entrance eave or a large eave (not shown).

The vertical joints 5a are vertically formed between the outer wall panels 51 of the building 5. Then, as shown in FIG. 2 (B), the width of the vertical joint 5a of the portion where the arm 6 overhangs is the upper side (see FIG. 2 (A)) and the lower side (see FIG. 2 (C)). It is wider than the width of the vertical joint 5a of. Further, in the building 5, the outdoor side of the trunk difference portion 52 on which the arm tree 6 is supported is covered with the lower side of the outer wall panel 51. A horizontal joint 5b is formed between the lower end of the outer wall panel 51 and the upper end of the outer wall panel 51 located below the outer wall panel 51. The building 5 is provided with an outer heat insulating ventilation outer wall made of the outer wall panel 51.

As shown in FIGS. 3 and 4, the arm waterproof hardware 1 includes a vertical joint closing portion 11 and an arm fixing portion 12. The vertical joint closing portion 11 closes the vertical joint 5a at the portion where the arm 6 overhangs, and allows water to flow downward between the upper gasket 7A and the lower gasket 7B divided by the arm 6 in the gasket 7. .. Further, the arm tree fixing portion 12 is fixed to the arm tree 6 on the outdoor side of the vertical joint 5a by a fastening member 8 such as a bolt or a nut.

The arm fixing portion 12 serves as a connecting plate for the fastening member 8, and has a through hole 12a on the center side thereof. An arm through hole 6a is formed in advance in the arm 6. A bolt is passed through the through hole 12a and the arm through hole 6a as a fastening member 8, a nut is tightened, and the arm fixing portion 12 is fixed to the arm 6.

The vertical joint closing portion 11 is a joint depth where water flows downward between the joint front side plate portion 111 located on the outdoor side of the vertical joint 5a and the upper gasket 7A and the lower gasket 7B separated by the arm tree 6. The side plate portion 112, the joint front side plate portion 111, and the joint back side plate portion 112 are connected to each other, and the arm tree cover plate portion 113 that covers the arm tree 6 is provided. The width of the joint front side plate portion 111 and the joint back side plate portion 112 in the vertical joint closing portion 11 is wider than that of the arm wood cover plate portion 113, and the width of the portion where the arm tree 6 overhangs is set. The width is such that it can be inserted from the outdoor side into the vertical joint 5a.

Further, the joint back side plate portion 112 in the vertical joint closing portion 11 is a groove-shaped upper gasket overlapping that receives the most indoor portion of the upper gasket 7A located above the vertical joint closing portion 11 from the indoor side. A unit 112a is provided. The upper gasket overlapping portion 112a has a width that allows a portion of the gasket 7 located on the indoor side to enter, and has an inclined shape that enters the indoor side toward the upper side. The indoor side surface of the joint back side plate portion 112 is located so as to hit the heat insulating plate 53 on the indoor side of the vertical joint 5a. In addition, foamed waterproof rubber is attached to the indoor side surface of the joint back side plate portion 112.

Further, the joint back side plate portion 112 includes a lower gasket overlapping portion 112c located on the outdoor side of the lowermost gasket 7B located below the vertical joint closing portion 11. In this example, the lower gasket overlapping portion 112c is composed of a stepped portion formed in the lower part of the joint back side plate portion 112. At the location where the lower gasket overlapping portion 112c is located, a part of the upper end of the lower gasket 7B is cut.

Further, the vertical joint closing portion 11 is located at the lower end of the joint surface side plate portion 111 at the intersection with the horizontal joint 5b located below the vertical joint closing portion 11, and is substantially above the horizontal joint 5b. A water blocking material receiving portion 111a located at one is provided. In this example, the water blocking material receiving portion 111a is formed by bending the lower end of the joint surface side plate portion 111.

Further, in this embodiment, as shown in FIG. 5, the arm wood waterproof hardware 1 includes an upper part (upper part) located on the upper side of the arm tree 6 and a lower part (lower part) located on the lower side of the arm tree 6. Separated from the side). The lower part of the joint back side plate portion 112 of the upper part and the upper part of the joint back side plate part 112 of the lower part partially overlap each other, and in this overlap, the joint back side plate part of the upper part 112 is located on the outdoor side. Further, the lower part of the upper arm part cover plate 113 and the upper part of the lower part 113 also partially overlap each other, and in this overlap, the upper part covers the arm cover. The plate portion 113 is located on the outer side. Further, the lower portion of the joint surface side plate portion 111 of the upper part and the upper portion of the joint surface side plate portion 111 of the lower part also partially overlap, and in this overlap, the joint surface of the upper part The side plate portion 111 is located on the outdoor side. Further, the arm fixing portion 12 of the upper part and the arm fixing portion 12 of the lower part also overlap, and in this overlap, the through hole 12a also overlaps. It is also possible to independently fix the upper part and the lower part separately by the fastening member without overlapping the arm tree fixing portions 12.

Next, the construction of attaching the arm wood waterproof hardware 1 in the building 5 will be described. The outer wall panel 51 is attached with the arm 6 protruding from the skeleton side, but at this stage, the vertical joint 5a has not yet been waterproofed, and the work from here is also performed. Is done by how to build. As shown in FIG. 6, the worker of the construction method fits the arm-wood cover plate portion 113 of the lower part into the arm-tree 6 from below, and then attaches the arm-wood cover plate portion 113 of the upper part to the arm-tree 6. It is covered from above, and the telegraph waterproof hardware 1 is fixed to the telegraph 6 by using the fastening member 8. When covering the upper part, if the upper part is tilted so that the upper side of the joint back side plate portion 112 precedes, the joint back side plate portion 112 can be easily put into the vertical joint 5a.

Then, as shown in FIG. 7, the upper gasket 7A is pushed into the vertical joint 5a from the outdoor side, and the lower back side of the upper gasket 7A is inserted into the upper gasket overlapping portion 112a of the upper part. Further, a predetermined portion of the upper end of the lower gasket 7B (a part of the inner side of the primary waterproof portion, etc.) is cut so that the innermost side of the upper end of the lower gasket 7B extends, and the lower gasket 7B is formed. Is pushed into the vertical joint 5a from the outdoor side. At this time, if the lower gasket 7B is tilted and the upper end thereof is placed in the vertical joint 5a in advance, the lower gasket overlapping portion 112c can be positioned in the cut portion at the upper end of the lower gasket 7B. It will be easier. Further, the outdoor side portion of the upper end of the lower gasket 7B is cut so as not to be exposed in the horizontal joint 5b.

The arm tree 6 can be used to attach a large eaves or the like, and a part of the large eaves can cover the portion to which the arm tree waterproof hardware 1 is attached.

With the above configuration, the arm waterproof hardware 1 is fixed to the arm 6 on the outdoor side of the vertical joint 5a by the arm fixing portion 12, so that it is fixed to the inter-floor drainer plate even though it is a hardware. There is no need for it, and the inter-floor drainer board can be eliminated. Then, since the vertical joint closing portion 11 enters the vertical joint 5a from the outdoor side, the vertical joint 5a at the portion where the arm 6 overhangs can be closed after the outer wall panel 51 is attached. Further, since the above-mentioned arm wood waterproof hardware 1 is a hardware, it is also excellent in fire resistance.

The arm fixing portion 12 has a through hole 12a, and the fastening member 8 is passed through the through hole 12a and the arm through hole 6a formed in the arm 6, and the arm fixing portion 12 is fixed to the arm 6. With this configuration, the telegraph waterproof hardware 1 can be easily fixed by the fastening member 8 that is inserted into the through hole 12a without using screws.

The vertical joint closing portion 11 may include an upper gasket overlapping portion 112a that receives the most indoor portion of the upper gasket 7A located above the vertical joint closing portion 11. According to this, the rainwater received by the upper gasket 7A can be flowed downward by the upper gasket overlapping portion 112a.

When the vertical joint closing portion 11 includes a lower gasket overlapping portion 112c located on the outdoor side of the lowermost gasket 7B located below the vertical joint closing portion 11, the vertical joint closing portion 11 is provided. The water flowed down by the closing portion 11 can be flowed down by the lower gasket 7B.

When the vertical joint closing portion 11 is provided with a water blocking material receiving portion 111a located substantially flush with the upper side of the horizontal joint at the intersection with the horizontal joint 5b located below the vertical joint closing portion 11. When a water blocking material such as putty is applied to the horizontal joint 5b, the water blocking material receiving portion 111a can prevent the water blocking material from entering the depth of the vertical joint 5a.

The vertical joint closing portion 11 is a joint back side plate portion 112 that allows water to flow downward between the joint front side plate portion 111 located on the outdoor side of the vertical joint 5a and the upper and lower gaskets 7A and 7B separated by the arm tree 6. When the joint front side plate portion 111 and the joint back side plate portion 112 are connected and the joint cover plate portion 113 that covers the joint 6 is provided, the vertical joint closing portion 11 and the upper and lower gaskets 7A and 7B are provided. The connection can be made by the joint back side plate portion 112, and by being composed of these plate portions, the amount of iron plate used can be reduced.

When the arm waterproof hardware 1 is separated into an upper part (upper part) and a lower part (lower part), the arm waterproof hardware 1 is waterproofed as compared with inserting the arm waterproof hardware 1 from the tip of the arm 6. The work of attaching the hardware 1 becomes easy.

In the building 5, if the trunk difference portion 52 on which the arm 6 is supported is covered by the lower side of the outer wall panel 51, the building can be a building that does not require an interstory drainer plate or an interstory outer wall. It becomes.

Although the embodiments of the present invention have been described above with reference to the drawings, the present invention is not limited to those of the illustrated embodiments. Various modifications and modifications can be made to the illustrated embodiment within the same range as the present invention or within the same range.

1: Arm wood waterproof hardware 2: Cited document 5: Building 5a: Vertical joint 5b: Horizontal joint 6: Arm wood 6a: Arm wood through hole 7: Gasket 7A: Upper gasket 7B: Lower gasket 8: Fastening member 11: Vertical joint closing part 12: Armwood fixing part 12a: Through hole 51: Outer wall panel 52: Body difference part 53: Insulation plate 111: Joint front side plate part 111a: Water blocking material receiving part 112: Joint back side plate part 112a: Upper gasket overlapping part 112c: Lower Side gasket overlapping part 113: Arm wood cover plate part

Claims (8)

It is a waterproof hardware for arms installed in a building where the arms project from the vertical joints of the outer wall to the outside, and it enters the vertical joints where the arms project from the outdoor side to block the vertical joints and is divided by the arms. A waterproof hardware for an arm that includes a vertical joint closing portion that allows water to flow downward between the upper and lower gaskets, and an arm wood fixing portion that is fixed to the arm tree on the outdoor side of the vertical joint. In the arm tree waterproof hardware according to claim 1, the arm tree fixing portion has a through hole, and a fastening member is passed through the through hole and the arm tree through hole formed in the arm tree, and the arm tree fixing portion is the above. An arm waterproof hardware that is characterized by being fixed to the arm. In the arm wood waterproof hardware according to claim 1 or 2, the vertical joint closing portion includes an upper gasket overlapping portion that receives the most indoor portion of the upper gasket located above the vertical joint closing portion. Characterized arm wood waterproof hardware. In the arm wood waterproof hardware according to any one of claims 1 to 3, the vertical joint closing portion is on the outdoor side of the most indoor side portion of the lower gasket located below the vertical joint closing portion. An arm waterproof hardware characterized by having an overlapping portion of the lower gasket located at. In the arm wood waterproof hardware according to any one of claims 1 to 4, the vertical joint closing portion is located at an intersection of a horizontal joint located below the vertical joint closing portion and the vertical joint. An arm waterproof hardware characterized by having a waterproof material receiving portion located substantially flush with the upper side of the horizontal joint. In the arm wood waterproof hardware according to any one of claims 1 to 5, the vertical joint closing portion is a joint surface side plate portion located on the outdoor side of the vertical joint and an upper and lower gasket separated by the arm tree. A waterproof hardware for arm wood, which comprises a joint back side plate portion for flowing water downward between the joints, an arm wood cover plate portion for connecting the joint front side plate portion and the joint back side plate portion, and covering the arm tree. .. The arm waterproof hardware according to any one of claims 1 to 6, wherein the arm waterproof hardware is separated into an upper portion and a lower portion. A building provided with the arm wood waterproof hardware according to any one of claims 1 to 7, wherein the trunk difference portion on which the arm wood is supported is covered by the lower side of the outer wall panel. ..

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