JP2014095186A - Inter-floor wall structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an inter-floor wall structure for passing rainwater infiltrating from an outer wall joint at an inter-floor upper part, and passing through an inter-floor throat to reach a lower part through a part of a vertical joint on an outer wall on an inter-floor lower side and discharging the rainwater outdoors on a lower end side of an outer wall.SOLUTION: In an inter-floor wall structure 100, an inter-floor throat 1 is provided at an inter-floor part where a beam 101 is arranged. In addition, an upper outer wall panel 2 is arranged on an upper side of the beam 101, and a lower outer wall panel 3 is arranged on a lower side of the beam 101. The inter-floor throat 1 has a gutter part 1a at a lower part of an outer side face and has a through hole part 1b for dropping water passing through the gutter part 1a downward at a bottom part of the gutter part 1a. The inter-floor throat 1 is arranged so that the through hole part 1b is located at an upper part of an upper end opening of a lower side hollow gasket 5 arranged in a vertical joint in the lower outer wall panel 3.

Description

  The present invention relates to an interstory wall structure including an interstory drainage.

  In Patent Document 1, in a drainage structure of an outer wall formed by vertically arranging hollow extrusion molded plates, a backup material having a drainage vertical hole is integrally attached and fixed to the front surface of the lower hanging piece of the draining plate. A first inner draining plate and a second inner draining plate in which a backup material having a lateral groove on the upper portion is integrally attached and fixed to the front surface of the lower hanging piece of the draining plate are mounted in parallel in the lateral joint of the outer wall. An outer wall drainage structure is disclosed.

  Patent Document 2 discloses a water stop structure for an extruded cement board that is applied to an intersection between a vertical joint and a horizontal joint of an extruded cement board that has been stretched. Specifically, the draining plate is formed in an L-shaped cross section consisting of a horizontal piece and an upright piece, and the horizontal piece of the draining plate crosses the vertical joint at the lower extrusion cement board and the upper extrusion. The lower end of the drain pipe sandwiched between the molded cement boards and opened at the upper end of the horizontal piece opens through the vertical joint formed between the lower extruded cement boards. It has become a thing.

  By the way, the interstitial wall structure provided with the interstitial drainage in the interstory part is known. In the conventional interstitial wall structure, no ridge is formed at the lower end of the interfloor drainage. It was led to the outer wall surface from the horizontal joint at the lower part.

JP-A-11-229543 JP 2005-213894 A

  However, in the above conventional interstitial wall structure, rainwater that has entered the outer wall joints, drained the interstory floor, and reached the lower end of the interstitial wall from the horizontal joints at the lower part of the interfloor to the outer wall surface. There is a drawback that it looks bad. In addition, during strong winds, water may flow backward from the outdoor side to the floor drainage side.

  In view of the above circumstances, the present invention uses a vertical joint on the lower outer wall of the interfloor drained from the outer wall joint above the floor and reached the lower part of the floor, and is outdoors at a position close to the ground. It is an object of the present invention to provide an interstitial wall structure that makes it possible to discharge to the floor.

  In order to solve the above-described problem, the interstitial wall structure of the present invention has a flange portion on the lower side of the outer side surface and a through-hole portion in which the water passing through the flange portion is dropped downward in the flange portion. The inter-drain drainage is arranged in the interstices so that the through hole is located at the upper end opening of the lower hollow gasket disposed in the vertical joint on the interstory lower outer wall.

  If it is said structure, it will permeate into the lower hollow gasket from the said through-hole part which receives the rainwater which penetrate | invaded from the outer wall joint above the floor and reached the lower part through the drainage of the floor and received in the said collar part. It becomes possible to discharge to the outdoors at a position close to the ground.

  The inter-floor drainage includes a plurality of inter-floor drainage main body portions and a joint portion that connects the inter-floor drainage main body portions, and the through hole portion may be formed in the joint portion. According to this, compared with the case where the floor drainage which has the said through-hole part is formed in one piece, cost reduction can be aimed at.

  The joint part has a non-hole joint part in which the through-hole part is not formed, the side on which the non-hole joint part is located is water, and the side on which the joint part in which the through-hole part is formed is located The above-mentioned floor draining main body may be provided with a water gradient under water. According to this, even in the case where the arrangement interval of the through hole portions is increased, the water in the collar portion can be smoothly flowed into the through hole portion.

  A draining plate may be provided on the upper surface side of the upper base plate disposed on the back surface of the lower outer wall between the floors, and the flange may be located on the draining plate. According to this, even if water overflows from the collar and reaches its lower surface, the water drain plate can prevent water from penetrating into the upper base plate.

  Water may be guided to the interstory drain through the upper hollow gasket provided at the vertical joint in the upper outer wall of the interstory. According to this, it is possible to guide rainwater collected at the location of the upper floor to the inter-floor portion where the inter-floor wall structure is provided.

  A sealing base member extending from the outer position of the lower part of the upper hollow gasket to the inside of the flange may be provided at a position above the through hole. According to this, when sealing the vertical joint of the interstory part from the said through-hole part to the upper direction, this sealing can be performed appropriately with the said sealing foundation | substrate member.

  The upper part of the floor drainage may be located on the lower back side of the upper hollow gasket. According to this, the rain water falling from the lower end of the upper hollow gasket can be hung on the outer side surface of the floor drainage and guided to the flange.

  A draining plate may be provided on the front side of the lower base plate disposed on the back surface of the interstory upper outer wall. According to this, it becomes possible to guide the rainwater that has entered from the outer wall joint above the floor to the floor floor drainage by the water drainage plate without entering the lower base plate.

  If it is the present invention, rainwater that has entered the lower wall upper floor between floors and has passed through the water drainage between floors and reached the lower part thereof, is received by the heel part and flows into the lower hollow gasket from the through hole part, There is an effect that it is possible to discharge to the outdoors at a position close to the ground.

It is explanatory drawing of the longitudinal cross-section of the interstory wall structure of embodiment of this invention. It is explanatory drawing which showed the member arrangement | positioning of the interstitial wall structure of FIG. 1 from the front side. FIG. 4A is a front view of the joint portion, FIG. 4B is a front view of the sealing base member, and FIG. 4C is a front view of the back upper metal fitting. It is a schematic cross-sectional view of the interstitial wall structure of FIG. It is explanatory drawing which showed the construction step of the interstitial wall structure of FIG. It is explanatory drawing which showed the construction step of the interstitial wall structure of FIG. It is explanatory drawing which showed the member arrangement | positioning of the construction stage of the interstitial wall structure of FIG. 6 from the front side. It is explanatory drawing which showed the construction step of the interstitial wall structure of FIG. It is explanatory drawing which showed the member arrangement | positioning of the construction stage of the interstitial wall structure of FIG. 8 from the front side. It is explanatory drawing which showed the construction step of the interstitial wall structure of FIG.

Embodiments of the present invention will be described below with reference to the accompanying drawings.
As shown in FIGS. 1 and 2, in the interstory wall structure 100 according to the embodiment of the present invention, a heat insulating material 102 is provided outside the interstory portion where the beam 101 is arranged. A floor drainer 1 is provided so as to close the outside. Further, an upper outer wall panel 2 which is an upper outer wall between floors is disposed on the upper side of the beam 101, and a lower outer wall panel 3 which is an lower outer wall between floors is disposed on the lower side of the beam 101.

  The interfloor drainer 1 is made of, for example, a rust-proof metal plate, has a flange 1a at the lower portion of the outer surface, and has a through-hole portion that drops water passing through the flange 1a downward at the bottom of the flange 1a. 1b. The flange 1a is formed, for example, by bending a lower end portion of a metal plate into a hook shape. Moreover, the said through-hole part 1b consists of a through-hole formed in the convex part which protrudes below from the bottom part of the said collar part 1a, for example, and water does not leak into the lower surface of the said collar part 1a from the said through-hole. It is like that. The floor drainer 1 has a shape that protrudes upward from a position on the outer surface side of the upper frame portion 3a of the lower outer wall panel 3 and is bent toward the beam 101. It extends straight to the back side of the lower base plate 21 of the upper outer wall panel 2. Moreover, the upper end of the above-mentioned floor drainer 1 is bent diagonally inward.

  The inter-floor drainer 1 includes a plurality of inter-floor drain body parts 11 and a joint part 12 connecting the inter-floor drain body parts 11. The length of the inter-floor draining main body 11 is, for example, about 910 mm (1P). The through hole 1b is formed at the bottom of the flange 1a in the joint 1. As shown in FIG. 3 (A), for example, nut portions 12a are provided at six locations on the back side of the joint portion 12, and the inter-floor drainage corresponding to the arrangement of the nut portions 12a at the six locations is provided. Attachment holes are formed at three positions on each side of the main body 11. By inserting a bolt from the mounting hole and screwing it into the nut portion 12a, the inter-floor draining main body portions 11 are connected. The floor draining main body 11 and the joint part 12 partially overlap, and the flange part 1a also overlaps and is continuous. You may provide the sealing material which prevents the leakage of water in the said overlapping part etc. of the said collar part 1a. Moreover, in said overlap, the collar part 1a of the said joint part 12 is located under the collar part 1a of the said floor draining main-body part 11. As shown in FIG.

  A sandwiching plate 13 is provided on the outer side surface of the upper part of the floor drainer 1. An attachment hole 13a is formed at the lower end of the sandwiching plate 13, and an attachment hole is also formed in the interstory draining main body 11 corresponding to the attachment hole 13a. By attaching nuts to the bolts inserted through these mounting holes, the sandwich plate 13 is connected to the inter-story draining main body 11. The lower base plate 21 of the upper outer wall panel 2 is sandwiched between the upper end side of the floor drainer 1 and the sandwich plate 13.

  The interfloor drainer 1 is disposed such that the through hole 1b is positioned at the upper end opening of the lower hollow gasket 5 disposed at the vertical joint in the lower outer wall panel 3. In this embodiment, the through hole portion 1b is located above the upper end opening of the lower hollow gasket 5, but may be located in the upper end opening. Further, the lower end opening of the upper hollow gasket 4 arranged at the vertical joint in the upper outer wall panel 2 is located above the through hole portion 1b. And the upper part of the said joint part 12 in the said floor drainer 1 is located in the lower back side of the said upper side hollow gasket 4. FIG. On the outside of the lower hollow gasket 5 and the outer side of the upper hollow gasket 4, a sealing material S is applied on site as a primary waterproofing material. The hollow gaskets 4 and 5 function as secondary waterproof materials.

  A sealing base member 6 extending from a position on the outer surface side of the lower portion of the upper hollow gasket 4 to the inside of the flange portion 1a is provided so as to be located above the through hole portion 1b. The sealing base member 6 is shown in an easy-to-understand manner with a dotted line in FIG. The lower end portion 6a of the sealing base member 6 is bent inward. Further, as shown in FIG. 3B, the sealing base member 6 has a reinforcing protrusion 6b in the central vertical direction.

  On the front side of the lower base plate 21 of the upper outer wall panel 2, for example, a flat draining plate 22 is provided. The upper part of the draining plate 22 is disposed so as to be sandwiched between the upper outer wall panel 2 and the lower base plate 21.

  A draining plate 32 is provided on the upper surface side of the upper base plate 31 of the lower outer wall panel 3. The draining plate 32 includes, for example, an inner vertical portion located on the outer surface side of the upper frame 3a of the lower outer wall panel 3, a horizontal portion located at the lower end of the inner vertical portion, and a vertical direction from the outer end of the horizontal portion. And the lower surface of the flange 1 a is positioned on the upper surface of the horizontal portion of the draining plate 32.

  The lower side of the floor drainer 1 is located outside the inner vertical part of the drainage plate 32, and the lower side is fixed to the upper frame part 3 a of the lower outer wall panel 3 by screws 15.

  For example, four back upper metal parts 71 are fixed to the upper part of the back surface of the trunk difference surface material 7 by two screws 72, respectively. As shown in FIG. 3C, the rear upper metal fitting 71 has an attachment hole 71a formed at the upper end, and the upper portion of the body difference face material 7 is formed by a screw 73 inserted through the attachment hole 71a. Is fixed to the lower base 21 of the upper outer wall panel 2.

  In addition, a lower back metal fitting 74 that is long horizontally is fixed to the lower portion of the back surface of the trunk difference surface material 7 with a screw 75 so as not to interfere with the sealing base member 6. The upper end of the lower back metal fitting 74 is bent inward and downward. Further, the lower back metal fitting 74 has a mounting hole 74a formed at the lower end thereof, and the lower portion of the body difference face material 7 is connected to the upper base plate of the lower outer wall panel 3 by a screw 76 inserted through the mounting hole 74a. 31 is fixed.

  As shown in FIG. 4, the upper hollow gasket 4 is arranged on the vertical joint of the upper outer wall panel 2 at a position outside the pillar 8. The inner sealing surface of the upper hollow gasket 4 on the side in contact with the column 8 has a wide width, and is sandwiched between the base plate of the upper outer wall panel 2 and the outer surface of the column 8. The outer sealing surface of the upper hollow gasket 4 is in contact with the back surface of the upper outer wall panel 2. And the sealing material S is given to the outer surface of the upper hollow gasket 4 at the position of the vertical joint. The upper hollow gasket 4 is bonded to the pillar 8 with a double-sided tape provided on the inner seal surface, for example. Further, the vertical joint of the lower outer wall panel 3 and the lower hollow gasket 5 are arranged in a structure similar to the above structure.

  5-10 has shown the construction process of the interstory wall structure 100. FIG. As shown in FIG. 5 and FIG. 6, the floor drainer 1 is fixed with screws 15 to the floor portion where the upper outer wall panel 2 and the lower outer wall panel 3 are attached. The connection between the sandwiching plate 13 and the floor draining main body 11 is loosened at the time of construction, and the upper portion of the floor draining 1 can be easily fitted into the lower base plate 21 of the upper outer wall panel 2. .

  A front view of the state in which the interstory drainer 1 is fixed to the interstices with screws 15 is expressed as shown in FIG.

  Next, as shown in FIG. 8, the sealing base member 6 is disposed. A front view of this state is represented as shown in FIG. Then, the body differential face material 7 is attached from the outside of the sealing base member 6 with screws 73 and 76.

  As described above, the interstitial wall structure 100 includes the interstory drainer 1 having the flange 1a and the through hole 1b, and the through hole 1b is disposed at a vertical joint in the lower outer wall panel 3. Since it is disposed in the interstices so as to be located above the upper end opening of the lower hollow gasket 5, the rainwater that has entered the outer wall joint above the interstices and has reached the lower part through the interstory drainer 1 It can be received by the portion 1a and flow into the lower hollow gasket 5 from the through hole portion 1b, and can be discharged to the outside at the lower end side of the outer wall through the vertical joint in the lower outer wall panel 3.

When the joint portion 12 is formed and the through-hole portion 1b is formed in the joint portion 12, the cost can be reduced as compared with the case where the floor drainer 1 is integrally formed.

  Further, a draining plate 32 is provided on the upper surface side of the upper base plate 31 disposed on the back surface of the lower outer wall panel 3, and when the flange portion 1a is located on the drainage plate 32, the flange portion 1a. Even if water overflows and reaches the lower surface, the water drain plate 32 can prevent water from penetrating into the upper base plate 31.

  Further, when water is led to the floor drainage through the upper hollow gasket 4 provided at the vertical joint in the upper outer wall panel 2, the outer wall of the upper floor or the like is placed in the interstory where the floor wall structure 100 is provided. Can collect rainwater collected in the interstory. Of course, the other interstory part may also have the interstory wall structure 100.

  Further, when the sealing base member 6 extending from the outer position of the lower portion of the upper hollow gasket 4 to the inside of the flange portion 1a is provided above the through hole portion 1b, from the through hole portion 1b to the upper portion thereof. In the case of performing joint sealing between the floors, this sealing can be appropriately performed by the sealing base member 6.

  Further, when the upper part of the interlevel drainage 1 is located on the lower back side of the upper hollow gasket 4, rain water falling from the upper hollow gasket 4 is dropped on the outer surface of the interstitial drainage 1, 1a can be surely guided.

  Further, when a draining plate 22 is provided on the front side of the lower base plate 21 disposed on the back surface of the upper outer wall panel 2, rainwater that has entered from the outer wall joint above the floor is soaked into the lower base plate 21. Instead, the water drain plate 22 can lead to the floor water drain 1.

  By the way, if the horizontal length of the inter-floor drainage main body 11 is set to about 910 mm × 2 (2P) and the interval between the through-hole portions 1b is increased, water may not flow smoothly through the flange portion 1a. There is. Then, it has the non-hole joint part in which the said through-hole part 1b is not formed, the side in which the said non-hole joint part is located is made into water, and the side in which the said joint part 12 in which the said through-hole part 1b was formed is located The above-mentioned floor draining main body part 11 may be provided with a water gradient with the water below. According to this, even when the arrangement | positioning space | interval of the said through-hole part 1b becomes long, the water in the said collar part 1a can be smoothly poured into the said through-hole part 1b.

  As mentioned above, although embodiment of this invention was described with reference to drawings, this invention is not limited to the thing of embodiment shown in figure. Various modifications and variations can be made to the illustrated embodiment within the same range or equivalent range as the present invention.

DESCRIPTION OF SYMBOLS 1 Inter-floor drainage 1a Eaves part 1b Through-hole part 11 Inter-floor drainage main-body part 12 Joint part 13 Clip board 2 Upper outer wall panel (Upper outer wall between floors)
21 Lower base plate 22 Drain plate 3 Lower outer wall panel (lower outer wall between floors)
31 Upper base plate 32 Drain plate 4 Upper hollow gasket 5 Lower hollow gasket 6 Sealing base member 7 Body difference face material 100 Interstitial wall structure

Claims (8)

  An interfloor drainer having a flange on the lower side of the outer side surface and having a through hole for dropping the water passing through the flange downward in the flange, the through hole being a vertical joint on the lower outer wall of the floor An interstory wall structure, wherein the interstitial wall structure is disposed in an interstitial region so as to be positioned at an upper end opening of the disposed lower hollow gasket.   The interstory wall structure according to claim 1, wherein the interstory drainage includes a plurality of interstory drainage main body parts and a joint part that connects the interstory drainage main body parts, and the joint part includes the through hole part. An interstitial wall structure characterized in that is formed.   3. The interstitial wall structure according to claim 2, wherein the joint portion includes a non-hole joint portion in which the through-hole portion is not formed, and the side on which the non-hole joint portion is located is water, and the through-hole portion An interstory wall structure, characterized in that the interstitial drainage main body is provided with a water gradient with the side on which the joint part on which the joint is formed is located under water.   In the interstitial wall structure according to any one of claims 1 to 3, a draining plate is provided on an upper surface side of an upper base plate disposed on a back surface of the interstory lower outer wall. An interstitial wall structure, wherein the heel portion is located on a board.   5. The floor structure according to claim 1, wherein water is guided to the floor drainage through an upper hollow gasket provided at a vertical joint in the upper outer wall of the floor. Interwall structure.   6. The interstitial wall structure according to claim 5, wherein a sealing base member extending from an outer position of the lower portion of the upper hollow gasket to the inside of the flange portion is provided at an upper position of the through hole portion. Interstitial wall structure.   The interstory wall structure according to claim 5 or 6, wherein an upper part of the interstory drainage is located on a lower back side of the upper hollow gasket.   The interstory wall structure according to any one of claims 5 to 7, wherein a draining plate is provided on the front side of the lower base plate disposed on the back surface of the interstory upper outer wall. Interstitial wall structure.

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