JP2004044230A - Venting and water cutting material and venting and water cutting structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To propose a venting water cutting material and a venting water cutting structure, in which the outside air can be introduced surely into a venting space formed on the outdoor side of an exterior-wall lining material by gaps between projections from a waterproof face material, in an external facing structure in which the waterproof face material having an irregular surface, in which a large number of the projections are formed in a dotted manner, on the indoor side is fixed and attached onto the outdoor side of the exterior-wall underlaying material. <P>SOLUTION: The venting and water cutting material has a tabular waterproof rear inserting section 11 in which the rear is stuck fast onto the exterior-wall lining material 1 and the lower side is abutted and arranged on the top face of a foundation B, a supporting plate section 12 projected from the lower side to the front along the top face of the foundation B, a water cutting plate section 13 projected from the section 12 to a front lower section, an inclined plate section 15 projected from the inserting section to the front lower section above the lower side of the inserting section 11 and an external-facing backing plate section 16 projected to the front while being separated from the supporting plate section 12 from the swash plate section 15. The water cutting material 10 in which an outside-air introducing hole 15a for introducing the outside air into a venting space A in an exterior wall is bored to the swash plate section 15 is manufactured. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
TECHNICAL FIELD The present invention relates to a water drainage member which is disposed below an outer wall of a building to drain water and ventilates the inside of the outer wall and the underfloor space, and also relates to a structure for draining water through a building using the water drainage material.
[0002]
[Prior art]
As shown in FIG. 11, the ventilation drainage structure disclosed in Japanese Patent Application Laid-Open No. H11-210100 has a structure in which dew condensation and mold are generated inside the exterior wall by providing a ventilation drainage material 60 at a lower end portion of an outer wall of a building. Is to prevent. The cut-out material 60 is a member having a substantially U-shaped cross section subjected to corrosion protection, and a cement mortar 3 as an exterior material is erected on the front portion of an upper piece 61 thereof, and a lower piece 62 thereof is attached thereto. The cement mortar 3 is placed on the foundation B and is extended along the lower end thereof while supporting the cement mortar 3. A plurality of upper ventilation holes 63 are formed in the rear portion of the upper piece 61, and a plurality of side ventilation holes 65 are formed in the side piece 64 in the lateral direction at predetermined intervals in the extension direction of the exterior material. Outside air is introduced into the ventilation space A behind the exterior material via the upper ventilation hole 63 and into the underfloor space Y via the side ventilation hole 65, respectively. The side ventilation holes 65 also have a function as a rat-proof material for preventing small animals such as rats from entering the underfloor space Y. Further, on the lower surface side of the upper piece 61, a water piece 66 is disposed so as to protrude downward, and water such as rainwater flowing down the surface of the exterior material travels along the lower surface of the upper piece 61 to each of the ventilation holes 63, 65. From entering the ventilation space A and the underfloor space Y.
[0003]
On the other hand, Japanese Patent Application Laid-Open No. 2001-20416 discloses that the waterproof function is excellent not only in that it can effectively prevent dew condensation inside the outer wall, but also in that the number of members is small, the fitting is easy, and the waterproof function is provided by attaching external parts or a tucker hole. There is disclosed an exterior structure that is not impaired and that can also suppress generation of cracks due to imbalance in the coating thickness of a wet exterior material.
As shown in FIG. 12, this exterior structure includes a waterproof surface material 2 fastened to the outdoor side surface of the outer wall sublining material 1 by a fastening means such as a tucker needle or a nail, and a waterproof surface material 2 from the outdoor side surface. It is composed of a lath 3a fastened to the outer wall sublining 1 by a fastening means, and a cement mortar 3, which is an exterior material applied using the lath 3a as a coating base.
[0004]
Here, the waterproof surface material 2 includes an asphalt compound layer for imparting a nail hole sealing property, and an uneven surface 2e formed by scatteredly forming a large number of protrusions 2d, 2d,... (See FIG. 13). Is provided on the indoor side. As shown in FIG. 13, there are four types of layer configuration patterns of the waterproof face material 2. In other words, the waterproof surface material 2A shown in FIG. 13A has a three-layer structure in which the base layer 2a, the asphalt compound layer 2b, and the surface layer 2c are laminated in order from the outdoor side, and a large number are scattered on the indoor side of the surface layer 2c. Form the uneven surface 2e. The waterproof face material 2B shown in FIG. 13B has a two-layer structure in which a base layer 2a and an asphalt compound layer 2b are sequentially stacked from the outdoor side, and a number of protrusions 2d scattered on the indoor side of the asphalt compound layer 2b. , 2d, ... form the uneven surface 2e. The waterproof surface material 2C shown in FIG. 13C has a two-layer structure in which an asphalt compound layer 2b and a surface layer 2c are sequentially stacked from the outdoor side, and a large number of protrusions 2d, 2d scattered on the indoor side of the surface layer 2c. , ... form the uneven surface 2e. The waterproof surface material 2D shown in FIG. 13D has a single-layer structure of only the asphalt compound layer 2b, and a number of protrusions 2d, 2d,... Scattered on the indoor side of the asphalt compound layer 2b form the uneven surface 2e. Has formed.
The projections 2d, 2d,... Of the waterproof face material 2 have such a strength that they are not crushed by the iron pressure during the application of the cement mortar 3 or the mounting pressure of the beam and other external parts.
[0005]
Therefore, in this exterior structure, a continuous ventilation space is reliably formed on the outdoor side surface of the outer wall sublining material 1 by the gap between the projections 2d, 2d,... Of the waterproof surface material 2 to effectively prevent dew condensation inside the outer wall. You can do it.
Further, the waterproof surface material 2 is fastened to the outer wall lower material 1 by a fastening means such as a tucker needle or a nail, and the lath 3a is fastened to the outer wall lower material 1 by a fastening means so as to penetrate the waterproof surface material 2. Although the waterproof face material 2 includes the asphalt compound layer 2b having extremely high cold flow property and viscoelasticity, the waterproof face material 2 closes and repairs the holes formed by the fastening means. It has a function (nail hole sealing performance), and the waterproof performance is maintained.
[0006]
[Problems to be solved by the invention]
By the way, in the exterior structure using such a waterproof surface material 2, the ventilation space formed on the outdoor side of the outer wall sub-lining material 1 by the projections 2d, 2d,. However, the method is not disclosed in any prior art document including the publication. Therefore, it is also conceivable to divert the cut water cut material 60 of FIG. 11, but this cut water cut material 60 merely introduces outside air into the ventilation space A formed behind the exterior material by the vertical trunk edge or the like. Therefore, it is almost impossible to introduce outside air into the ventilation space formed on the outdoor side of the outer wall sublining 1 due to the gap between the projections 2d, 2d,... Of the waterproof surface material 2 in the exterior structure shown in FIGS. It is possible.
[0007]
In addition, the vented water cutting material 60 shown in FIG. 11 is such that insects such as ants travel up the outer peripheral surface of the foundation B, pass through the side ventilation holes 65 and the upper ventilation holes 63, and form the underfloor space Y and the ventilation space inside the outer wall. A cannot be prevented from invading A.
[0008]
The present invention has been made in view of such circumstances, and in particular, a waterproof surface material having an uneven surface formed by dotted formation of a large number of projections on the indoor side is fastened to the outdoor side of the outer wall sublining material. In the above-mentioned exterior structure, there is provided a ventilating material mainly intended to reliably introduce outside air into the ventilation space formed on the outdoor side of the outer wall sub-lining material by the gap between the projections of the waterproof surface material, and this venting material. It proposes a ventilation drainage structure of a building utilizing the technology.
[0009]
[Means for Solving the Problems]
The invention according to claim 1 is a plate-shaped waterproof back insertion portion having a back surface closely attached to the outer wall sub-lining material and a lower side abutting on the upper surface of the foundation, and a lower surface of the waterproof back insertion portion from the lower side of the upper surface of the foundation. A supporting plate portion protruding forward along the same, a draining plate portion protruding forward and downward from the supporting plate portion, and an oblique projecting forward and downward from the waterproof back insertion portion above a lower side of the waterproof back insertion portion. A plate portion, and an exterior receiving plate portion projecting forward from the diagonal plate portion apart from the support plate portion, and an outside air introduction hole for introducing outside air into the ventilation space inside the outer wall is provided in the diagonal plate portion. A perforated drainage material characterized by being perforated.
[0010]
Such a cut-through material has an exterior structure (see FIG. 12) in which a waterproof surface material having an uneven surface formed by scattered formation of a large number of projections is fixed to the outdoor side surface of an outer wall sublining material (see FIG. 12). A waterproof paper is fastened to an outdoor side surface of the upholstery, and is attached to an exterior structure (see FIG. 11) in which a vertical waist edge is fixed to an outer wall lower upholstery at predetermined intervals through the waterproof paper, A member that is disposed at a lower end portion of the outer wall subbing material and performs ventilation of the inside of the outer wall and drainage of rainwater or the like flowing on the outer wall surface.
In other words, the outside air that has reached the outside air introduction hole of the oblique plate portion from the gap between the exterior receiving plate portion and the support plate portion is introduced into the ventilation space inside the outer wall, thereby preventing dew condensation inside the outer wall. Also, the rainwater that has flowed down the surface of the exterior material falls on the draining plate portion of the ventilation draining material and drops downward along the outer surface of the draining plate portion, so that the outer surface of the foundation does not wet. The exterior receiving plate portion supports the exterior material and serves as a ruler when applying a wet exterior material such as mortar.
[0011]
The invention according to claim 2 is characterized in that, in the cut-off cut water material according to claim 1, an outside air introduction hole for introducing outside air into the underfloor space is formed in the waterproof back insertion portion.
[0012]
Since the outside air introduction hole is perforated in the waterproof back insertion portion, when the support plate portion is placed in contact with the upper surface of the foundation, the cutoff between the foundation packings arranged on the upper surface of the foundation is formed. Through the gap, outside air can be introduced into the underfloor space and ventilated. Of course, it is desirable that the outside air introduction hole has a size that does not allow small animals such as rats to enter.
[0013]
According to a third aspect of the present invention, there is provided the vented drainage member according to the first or second aspect, further comprising a hanging plate portion projecting downward from the draining plate portion.
[0014]
When the supporting plate portion is arranged so as to be in close contact with the upper surface of the foundation, the draining plate portion and the hanging plate portion protruding downward function as a so-called dovetail. Insects, such as ants, coming up along the air can be reliably prevented from entering the ventilation space or the underfloor space inside the outer wall from the outside air introduction hole or the like.
[0015]
The invention according to claim 4 is characterized in that, in the cut-through cut water material according to any one of claims 1 to 3, the whole is formed by bending one plate.
[0016]
Since the whole cut-off material is formed by bending a single plate, it can be easily manufactured at low cost.
[0017]
The invention according to claim 5 is characterized in that a waterproof surface material provided on the indoor side with an uneven surface formed by scattered formation of a large number of projections is fastened to the outdoor side surface of the outer wall underlaying material, and the exterior surface is provided on the outdoor side of the waterproof surface material. 5. A support plate portion of the cut-through material according to any one of claims 1 to 4, wherein the support plate portion is in close contact with the upper surface of the foundation, and the waterproof back insertion portion of the cut-through material is provided with the outer wall subbing material. A waterproof back insertion portion and an oblique plate portion of the cut-out water-permeable material so that a lower side portion of the waterproof surface material covers the outside air introduction hole of the diagonal plate portion of the cut-through water-permeable material from above. A ventilation drainage structure, which is arranged along the outer side surface of the airbag.
[0018]
Such a water drainage structure has the above-mentioned exterior structure (see FIG. 12) in which a waterproof surface material having an uneven surface formed by scattered formation of a large number of projections is fixed to the outdoor side of the outer wall sublining material. It is equipped with a perforated water cutting material.
In other words, the waterproof surface material is arranged along the waterproof back insertion portion of the water drainage material and the outer surface of the diagonal plate portion so that the lower side of the waterproof surface material covers the outside air introduction hole of the diagonal plate portion of the draft water cut material. The outside air that reaches the outside air introduction hole of the oblique plate from the gap between the exterior receiving plate part and the support plate part of the vented water cut material is formed on the outdoor side of the outer wall underlaying material due to the gap between the projections of the waterproof surface material Is introduced into the ventilated space to prevent condensation inside the outer wall. At this time, since the waterproof surface material covers the outside air introduction hole of the diagonal plate portion of the ventilation cut material, the wet exterior material such as cement mortar applied to the outdoor side of the waterproof surface material falls off from the outside air introduction hole. Never.
Also, the rainwater that has flowed down the surface of the exterior material falls on the draining plate portion of the ventilation draining material and drops downward along the outer surface of the draining plate portion, so that the outer surface of the foundation does not wet. The exterior receiving plate portion supports the exterior material and serves as a ruler when applying a wet exterior material such as mortar.
[0019]
In the invention according to claim 6, waterproof paper is fastened to the outdoor side surface of the outer wall sub-lining material, and a plurality of vertical trunk edges are fixed to the outer wall sub-lining material via the waterproof paper. An exterior material is attached, and the support plate portion of the cut-through material according to any one of claims 1 to 4 is in close contact with the upper surface of the foundation, and the waterproof back insertion portion of the cut-through material is submerged in the outer wall. It is arranged in close contact with the outdoor side surface of the material, and the lower side of the waterproof paper does not cover the outside air introduction hole of the diagonal plate portion of the water-permeable cutting material. A vented drainage structure, which is arranged along.
[0020]
In this ventilation drainage structure, the above-described ventilation drainage material is attached to an exterior structure (see FIG. 11) in which a plurality of vertical waist edges are fixed to the outdoor side of the outer wall sublining to form a ventilation space inside the outer wall. Things.
In other words, the waterproof paper is arranged along the outer surface of the waterproof back insertion portion of the water-permeable cutting material so that the lower side of the waterproof paper does not cover the outside air introduction hole of the diagonal plate portion of the water-permeable cutting material, The outside air that reaches the outside air introduction hole of the oblique plate portion from the gap between the outer receiving plate portion and the support plate portion of the vented drainage material is introduced into the ventilation space inside the outer wall formed by the vertical trunk, and the dew condensation inside the outer wall To prevent In addition, the outside air introduction hole of the diagonal plate part of the cut-off water drainage material is not covered with waterproof paper or the like, but since there is a vertical body edge at the top and the exterior material is arranged outside it, cement mortar etc. Does not fall out of the outside air introduction hole.
Also, the rainwater that has flowed down the surface of the exterior material falls on the draining plate portion of the ventilation draining material and drops downward along the outer surface of the draining plate portion, so that the outer surface of the foundation does not wet. The exterior receiving plate portion supports the exterior material and serves as a ruler when applying a wet exterior material such as mortar.
[0021]
According to a seventh aspect of the present invention, there is provided a plate-like waterproof back insertion portion which is provided upright along the outer wall underlay with a gap between the waterproof back insert and an outdoor side surface of the outer wall underlay. A support plate portion protruding forward along the upper surface of the foundation also below, a draining plate portion protruding forward and downward from the support plate portion, and a front portion from a lower side of the waterproof back insertion portion separated from the support plate portion. An exterior receiving plate portion that projects into, and a first external air introduction hole that introduces external air into a gap between the waterproof back insertion portion and the outer wall lower lining material from between the exterior receiving plate portion and the support plate portion, And a second outside air introduction hole for introducing outside air from the gap to the space above the gap.
[0022]
Such a cut-off material is attached to an exterior structure (see FIG. 12) in which a waterproof surface material having an uneven surface formed by scattered formation of a number of projections on the indoor side is fixed to the outdoor side surface of the outer wall sublining material. A member that is disposed at the lower end of the outer wall subbing material and performs ventilation inside the outer wall and drainage of rainwater or the like flowing on the outer wall surface.
In other words, the outside air that has reached the first outside air introduction hole from between the exterior receiving plate portion and the support plate portion is taken into the gap behind the waterproof back insertion portion (between the waterproof back insertion portion and the outer wall underlaying material). Further, the water is introduced into the ventilation space formed on the outdoor side of the outer wall sublining material through the space between the projections of the waterproof surface material via the second external air introduction hole, thereby preventing dew condensation inside the outer wall. Also, the rainwater that has flowed down the surface of the exterior material falls on the draining plate portion of the ventilation draining material and drops downward along the outer surface of the draining plate portion, so that the outer surface of the foundation does not wet. In addition, the exterior receiving plate portion of the cut-out material supports the exterior material and serves as a ruler when applying a wet exterior material such as cement mortar.
[0023]
The invention according to claim 8 is characterized in that, in the cut-off cut water material according to claim 7, a third outside air introduction hole for introducing outside air into the underfloor space is provided below the waterproof back insertion portion. .
[0024]
Since such a cut-through water vent is provided with the third outside air introduction hole below the waterproof back insertion portion, it is arranged on the upper surface of the foundation when the support plate portion is arranged so as to be in close contact with the upper surface of the foundation. External air can be introduced and ventilated into the underfloor space via the gap between the base packings. Of course, it is desirable that the third outside air introduction hole has a size that does not allow small animals such as rats to enter. The third outside air introduction hole may be formed integrally with the first introduction hole.
[0025]
According to a ninth aspect of the present invention, in the ventilation drainage material according to the seventh or eighth aspect, there is provided a hanging plate portion projecting downward from the draining plate portion.
[0026]
When the supporting plate portion is arranged so as to be in close contact with the upper surface of the foundation, the draining plate portion and the hanging plate portion protruding downward function as a so-called dovetail. Insects, such as ants, coming up along the air can be reliably prevented from entering the ventilation space or the underfloor space inside the outer wall from the outside air introduction hole or the like.
[0027]
The invention according to claim 10 is characterized in that, in the cut-through cut water material according to any one of claims 7 to 9, the whole is formed by bending one plate.
[0028]
Since the whole cut-off material is formed by bending a single plate, it can be easily manufactured at low cost.
[0029]
According to an eleventh aspect of the present invention, a waterproof surface material having an uneven surface formed by scattered formation of a large number of projections on the indoor side is fastened to the outdoor side surface of the outer wall underlaying material, and the exterior surface of the waterproof surface material on the outdoor side. A material is attached, and the support plate portion of the cut-through material according to any one of claims 7 to 10 is in close contact with the upper surface of the foundation, and the waterproof back insertion portion of the cut-through material is provided with the outer wall underlaying material. The outer side wall of the waterproof backing material is erected and fixed along the outer wall underlay with a gap between the outer side surface of the waterproof backing material and the waterproof backing material. And a vented drainage structure.
[0030]
Such a water drainage structure has the above-mentioned exterior structure (see FIG. 12) in which a waterproof surface material having an uneven surface formed by scattered formation of a large number of projections is fixed to the outdoor side of the outer wall sublining material. It is equipped with a perforated water cutting material.
In other words, since the waterproof face material is arranged along the outer surface of the waterproof back insertion part of the cut-out material, the water-permeable cut material reaches the first outside air introduction hole from between the exterior receiving plate portion and the support plate portion. The outside air is taken into the gap between the back of the waterproof back insertion portion (between the waterproof back insertion portion and the outer wall underlaying material), and further passes through the second outside air introduction hole, and is formed under the outer wall by the gap between the projections of the waterproof surface material. It is introduced into the ventilation space formed on the outdoor side of the upholstery to prevent dew condensation inside the outer wall.
Also, the rainwater that has flowed down the surface of the exterior material falls on the draining plate portion of the ventilation draining material and drops downward along the outer surface of the draining plate portion, so that the outer surface of the foundation does not wet. In addition, the exterior receiving plate portion of the cut-out material supports the exterior material and serves as a ruler when the exterior material is a wet type material such as mortar.
[0031]
According to a twelfth aspect of the present invention, a waterproof surface material having an uneven surface formed by scattered formation of a large number of projections is fixed to an outdoor side surface of an outer wall sublining material, and an exterior surface is provided on an outdoor side of the waterproof surface material. A water-permeable cut-off material having a plate-shaped waterproof back insertion portion, and a draining plate portion projecting forward and downward below the waterproof back insertion portion is provided. The back surface of the waterproof back insertion portion is located below the outer wall. An exterior support that is disposed so as to be in close contact with the outdoor side surface of the upholstery material, a lower side of the waterproof surface material is disposed along an outer side surface of the waterproof back insertion portion of the cut-through material, and supports a lower end of the exterior material; A plate portion, a rear plate portion standing upright from the exterior receiving plate portion, and projecting from the exterior receiving plate portion such that a front end side is located behind the rear plate portion and below the exterior receiving plate portion. An exterior bead having a positioning portion and an outside air introduction hole formed in the positioning portion. However, the tip side of the positioning portion is located at a corner formed at the lower portion of the waterproof back insertion portion of the water drainage material, and the back plate portion is between the waterproof back insertion portion of the water drainage material. A ventilation drainage structure characterized by being arranged so as to sandwich a lower side of a waterproof face material.
[0032]
Such a vent drainage structure is the same as the conventional case in an exterior structure (see FIG. 12) in which a waterproof surface material provided with an uneven surface formed by scattered formation of a large number of projections on the indoor side is fastened to the outdoor side of the outer wall sublining material. This is equipped with a cut-out material for ventilation and an exterior bead. Here, not only the case where ventilation cut materials and exterior beads are attached to the outside of the base, but also the corner formed by the balcony floor and the outer wall, and the corner formed by the lower building and the outer wall of the upper floor This also includes the case where a drain water cut material and an exterior bead are attached to the part.
In other words, since the lower side of the waterproof surface material is disposed between the waterproof back insertion portion of the ventilation drainage material and the back plate portion of the exterior bead, the waterproof surface is inserted from the outside air introduction hole of the positioning portion of the exterior bead. The outside air is introduced into the ventilation space formed on the outdoor side of the outer wall sublining material by the gap between the protrusions of the material, thereby preventing dew condensation inside the outer wall.
Also, the rainwater that has flowed down the surface of the exterior material falls on the draining plate portion of the ventilation draining material, and drops downward along the outer surface of the draining plate portion to be drained.
The exterior receiving plate portion of the exterior bead supports the exterior material and serves as a ruler when the exterior material is a wet type material such as mortar.
[0033]
According to a thirteenth aspect of the present invention, in the ventilation drainage structure according to the twelfth aspect, the original end side of the draining plate portion of the ventilation draining member abuts the foundation, and the hanging plate portion projects downward from the draining plate portion. It is characterized by.
[0034]
In such a structure, particularly in the case where the cut-out portion is disposed outside the base, the base end of the cut-out portion of the cut-out portion of the cut-out portion is in contact with the foundation. A dovetail portion is formed by the hanging plate portion protruding from the outside, and it is possible to reliably prevent insects such as ants coming along the outer surface of the foundation from entering the inside of the outer wall from the outside air introduction hole or the like.
[0035]
According to a fourteenth aspect of the present invention, in the vented drainage structure according to the thirteenth aspect, an outside air introduction hole for introducing outside air into the underfloor space is formed in the waterproof back insertion portion of the vented drainage material, and the upper surface of the foundation is provided. The outside air is introduced into the underfloor space via the gap between the arranged base packings and the outside air introduction hole.
[0036]
In such a vent drainage structure, not only the positioning plate portion of the exterior bead but also the outside air introduction hole is drilled in the waterproof back insertion part of the ventilating drainage material. Can be introduced and ventilated.
[0037]
The invention according to claim 15 is characterized in that a first waterproof surface material provided on the indoor side with an uneven surface formed by scattered formation of a large number of projections is fastened to the outdoor side surface of the outer wall sublining material, An exterior material is attached to the outdoor side of the material, and a second waterproof surface material provided on the indoor side with an uneven surface formed by dotted formation of a large number of projections is fastened to the outdoor side surface at a lower portion of the outer wall sublining material. A plate-shaped waterproof back insertion portion, and a vented draining material including a draining plate portion projecting forward and downward below the waterproof back insertion portion, wherein the back surface of the waterproof back insertion portion is formed of the second waterproof face material. A vented drain structure, wherein the lower side of the first waterproof face material is disposed along an outer side surface of the waterproof back insertion part of the vented drainage material, It is.
[0038]
Such a vent drainage structure is the same as the conventional case in an exterior structure (see FIG. 12) in which a waterproof surface material provided with an uneven surface formed by scattered formation of a large number of projections on the indoor side is fastened to the outdoor side of the outer wall sublining material. With a cut-off material for ventilation water. Here, not only is the case where ventilation cut materials are installed on the outside of the base, but also the vents are formed in the corners formed by the balcony floor and the outer wall, and in the corners formed by the lower building and the outer wall of the upper floor. This includes the case where a drainer is installed.
In other words, the second waterproof face material, the waterproof back insertion part of the cut-off material, and the lower side part of the first waterproof face material are arranged in this order on the outdoor side surface of the outer wall underlaying material, so that the second waterproof face material is provided. The outside air taken in from the space between the projections of the surface material is introduced into the ventilation space formed on the outdoor side of the lower wall material of the outer wall by the space between the protrusions of the first waterproof surface material above it, and the internal condensation of the outer wall is reduced. To prevent.
Also, the rainwater that has flowed down the surface of the exterior material falls on the draining plate portion of the ventilation draining material, and drops downward along the outer surface of the draining plate portion to be drained.
[0039]
The invention according to claim 16 is the ventilation drainage structure according to claim 15, wherein foundation packings are arranged on the upper surface of the foundation with a gap therebetween in a horizontal direction, and outside air is provided on the outdoor side of the foundation packing including the gap. A rat-proof material with an introduction hole is arranged.
[0040]
In such a ventilation structure, the base packing is arranged on the upper surface of the base, and the rat-proof material with the outside air introduction hole is disposed on the outdoor side of the base packing and the gap between the base packing, so that small animals such as rats can enter the underfloor space. While blocking, the underfloor space can be ventilated by introducing outside air into the underfloor space.
[0041]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the description, the same elements will be denoted by the same reference symbols, without redundant description.
[0042]
FIG. 1 is a perspective view illustrating a first embodiment of a permeate drainer according to the present invention. This permeated draining material 10 is obtained by bending a single iron plate subjected to a corrosion-proof treatment, and as shown in the figure, a waterproof back insertion portion 11, a support plate portion 12, a draining plate portion 13, and , A hanging plate portion 14, an oblique plate portion 15, and an exterior receiving plate portion 16.
As shown in FIG. 2, the waterproof back insertion portion 11 is disposed such that the back surface thereof is in close contact with the outer wall sub-strength 1 and the lower side thereof is in contact with the upper surface of the foundation B. The support plate portion 12 protrudes forward from the lower side of the waterproof back insertion portion 11 and is disposed in close contact with the upper surface of the foundation B. The draining plate 13 protrudes forward and downward from the distal end of the support plate 12, and the hanging plate 14 protrudes downward from the distal end of the draining plate 13. The draining plate portion 13 and the hanging plate portion 14 also play a so-called dovetail role when the support plate portion 12 is disposed in close contact with the upper surface of the foundation B. The oblique plate part 15 projects forward and downward from the waterproof back insertion part 11 above the lower side of the waterproof back insertion part 11, and the exterior receiving plate part 16 projects forward from the tip side. Note that a gap 17 is formed between the oblique plate portion 15 and the support plate portion 12.
[0043]
Further, a plurality of first outside air introduction holes 15a, 15a,... For introducing outside air into the ventilation space A inside the outer wall are formed in the upper portion of the oblique plate portion 15 over the waterproof back insertion portion 11. Have been. The first outside air introduction hole 15a may be formed only in the oblique plate portion 15.
Further, a plurality of second outside air introduction holes 11a, 11a,... For introducing outside air into the underfloor space Y are formed in a lower portion of the waterproof back insertion portion 11. Are desirably sized so that small animals such as rats do not enter the underfloor space Y.
[0044]
In addition, here, since the whole cut-off perforated material 10 is formed by bending a single plate, the waterproof back insertion portion 11 is overlapped with the inner and outer sheets at the upper part, but the present invention is not limited to this. Instead, the waterproof back insertion portion 11 only needs to be plate-shaped when viewed as a whole.
In addition, since the cut-out material 10 is usually attached to the lower end portion over the entire length of the outer wall, the length is arbitrarily determined. In addition, the perforated water cut material 10 is formed by punching necessary holes such as a first outside air introduction hole 15a and a second outside air introduction hole 11a in a single metal or resin plate having a predetermined length. By bending the plate to form the whole, it can be easily manufactured at low cost. However, the present invention is not limited to this. For example, the whole may be manufactured by extrusion or the like. Further, here, the lower side portion of the hanging plate portion 14 is formed as a folded portion 14a which is folded inward. However, the folded portion 14a is for making the edge of the plate inconspicuous. Good.
[0045]
Next, a first embodiment of the ventilation drainage structure according to the present invention will be described. FIG. 2A is a cross-sectional view illustrating a first embodiment of a ventilation drainage structure according to the present invention, and FIG. 2B is a partially enlarged view of FIG. 2A. In the ventilation drainage structure shown in these figures, a waterproof surface material 2 having an uneven surface 2e formed on the indoor side and formed with a large number of projections 2d, 2d,. 1 is attached to the exterior structure (see FIG. 12).
In these figures, the symbol K indicates a base packing, the symbol D indicates a base, the symbol F indicates a first-floor floorboard, the symbol Y indicates an underfloor space, and the symbol S indicates a first-floor wall lower frame.
[0046]
As shown in these figures, the water-permeable cut-off member 10 is arranged such that the back surface of the waterproof back insertion portion 11 is in close contact with the outer wall sub-member 1 and the lower side thereof is in contact with the upper surface of the foundation B. The waterproof face material 2 is formed so that the lower side portion of the waterproof face material 2 covers the first outside air introduction hole 15a of the diagonal plate portion 15 of the ventilation water cutting material 10 from above. Are arranged along the outer surface of the.
[0047]
According to such a structure, the lower side of the waterproof face material 2 is disposed so as to cover the first outside air introduction hole 15a of the oblique plate portion 15 of the breathable water cut material 10 from above. The cement mortar 3 constructed on the outdoor side does not spill out from the first outside air introduction hole 15a, and obliquely extends from the gap 17 between the oblique plate portion 15 and the support plate portion 12, as shown in FIG. The outside air that has reached the first outside air introduction hole 15a of the plate portion 15 is formed outside the waterproof back insertion portion 11 of the cut-off water draining material 10 from the ventilation space formed by the gap between the projections 2d, 2d,. It is introduced into the ventilation space A formed by the gap between the projections 2d, 2d,... Of the waterproof surface material 2 on the outside of the outer wall underlaying material 1 to prevent the internal condensation of the outer wall.
Also, the rainwater flowing down the surface of the cement mortar 3 as the exterior material falls on the draining plate portion 13 of the ventilation drainage member 10 and drops downward along the outer surfaces of the draining plate portion 13 and the hanging plate portion 14, so that It does not wet the outer surface of the foundation B. At this time, since the draining plate portion 13 is not in contact with the cement mortar 3, the cement mortar 3 does not absorb snowmelt or rainwater on the draining plate portion 13 and deteriorates.
[0048]
Further, the base packings K, K,... Are arranged on the upper surface of the base B, and a space surrounded by the base B, the base D, and the base packings K, K is a second lower part of the waterproof back insertion portion 11 of the cut-off perforated water material 10. Since it communicates with the outside air introduction hole 11a, the underfloor space Y can be ventilated via the second outside air introduction hole 11a.
Further, the support plate portion 12 of the ventilation drainage material 10 is arranged in close contact with the upper surface of the foundation B, and the draining plate portion 13 and the hanging plate portion 14 protrude from the tip side, so that a so-called dovetail formation is formed. Therefore, insects such as ants coming up along the outer surface of the base B enter the underfloor space Y from the second outside air introduction hole 11a, and the ventilation space A inside the outer wall from the first outside air introduction hole 15a. Can be reliably prevented from invading.
The exterior receiving plate 16 supports the cement mortar 3 as an exterior material, and also serves as a ruler when applying a wet exterior material such as the cement mortar 3, but the exterior material is limited to a wet type. However, a dry type such as siding may be used.
[0049]
Next, a second embodiment of the ventilation drainage structure according to the present invention will be described. FIG. 3A is a cross-sectional view showing a second embodiment of the ventilation drainage structure according to the present invention, and FIG. 3B is a partially enlarged view of FIG. 3A. In the ventilation drainage structure shown in these figures, a waterproof paper 5 is fastened to the outdoor side surface of the outer wall underlaying material 1, and the vertical wall is attached to the outer wall underlaying material 1 at predetermined horizontal intervals via the waterproof paper 5. 1 are attached to an outer structure in which the edges 4, 4,... Are fixed, and a siding 3 ′ as an outer material is attached to the vertical body edges 4, 4,. .
[0050]
As shown in FIG. 1, the cut-off water-permeable material 10 is arranged such that the back surface of the waterproof back insertion portion 11 is in close contact with the outer wall sub-lining material 1 and its lower side is in contact with the upper surface of the foundation B. Then, the waterproof paper 5 extends along the outer surface of the waterproof back insertion portion 11 of the cut-off water cutting material 10 so that the lower side thereof does not cover the first outside air introduction hole 15a of the oblique plate portion 15 of the cut-off water cut material 10. Are located.
[0051]
Therefore, as shown in FIG. 3B, the outside air that has reached the first outside air introduction hole 15 a of the oblique plate portion 15 from the gap 17 between the oblique plate portion 15 and the support plate portion 12 of the cut water permeating material 10 is It is introduced into the ventilation space A inside the outer wall formed by the vertical waist edges 4, 4,... To prevent dew condensation inside the outer wall. Although the first outside air introduction hole 15a of the diagonal plate portion 15 of the draft cut water material 10 is not covered with the waterproof paper 5, the upper part thereof has the vertical trunks 4, 4,. Since the siding 3 'as an exterior material is disposed on the first exterior air introduction hole 15a, even if a wet exterior material such as cement mortar is used instead of the siding 3'.
The other effects are the same as those of the first embodiment shown in FIG.
[0052]
Next, with reference to FIG. 4, a second embodiment of the permeate water cutting material according to the present invention will be described. The perforated drainage material 20 is obtained by bending a single iron plate subjected to a corrosion-proof treatment, and as shown in the drawing, a waterproof back insertion portion 21, a support plate portion 22, a drainage plate portion 23, and , A hanging plate portion 24 and an exterior receiving plate portion 25.
As shown in FIG. 5, the waterproof back insertion portion 21 is provided upright along the outer wall underlaying member 1 with a slight gap 21 a between the outer wall lower covering member 1 and the outdoor side surface. The support plate portion 22 protrudes forward along the upper surface of the foundation B below the waterproof back insertion portion 21. The draining plate portion 23 projects forward and downward from the distal end side of the support plate portion 22, and the hanging plate portion 24 projects downward from the distal end side of the draining plate portion 23. The draining plate portion 23 and the hanging plate portion 24 also play a so-called dovetail role when the support plate portion 22 is disposed in close contact with the upper surface of the foundation B. The exterior receiving plate portion 25 protrudes forward from the lower side of the waterproof back insertion portion 21 apart from the support plate portion 22.
[0053]
A plurality of first outside air introduction holes 25a are formed at the base end of the exterior receiving plate portion 25. The first outside air introduction hole 25a serves to introduce outside air into the gap 21a below the waterproof back insertion portion 21.
In addition, a plate-shaped rising plate 26 is formed between the waterproof back insertion portion 21 and the support plate 22. The rising plate portion 26 stands upright at a position retracted from the waterproof back insertion portion 21 by the thickness of the gap 21a. A plurality of third outside air introduction holes 26a, 26a,... Are formed in the rising plate portion 26 integrally with the first outside air introduction hole 25a. The outside air introduction hole 26a serves to introduce outside air into the underfloor space Y, and is desirably sized so that small animals such as rats do not enter the underfloor space Y.
Further, the upper side of the waterproof back insertion portion 21 is formed as a folded portion 21b folded inward. The folded portion 21b is disposed in contact with the outdoor side surface of the outer wall sublining 1, and plays a role in forming a gap 21a behind the waterproof back insertion portion 21 in cooperation with the rising plate portion 26. In the upper part of the waterproof back insertion part 21, over the turn-back part 21 b, the space above the gap 21 a, that is, the space between the protrusions 2 d, 2 d,. A plurality of second outside air introduction holes 21c, 21c,... For introducing outside air into the ventilation space A formed at the bottom are formed.
The positions and shapes of the first outside air introduction hole 25a, the second outside air introduction hole 21c, and the third outside air introduction hole 26a are not particularly limited as long as each plays the above-mentioned role. Therefore, for example, the integrally formed first outside air introduction hole 25a and third outside air introduction hole 26a may be formed separately.
[0054]
In this case, since the whole cut-off water cut material 20 is formed by bending a single plate, the exterior receiving plate portion 25 is overlapped with the upper and lower two plates, but the present invention is not limited to this. The exterior receiving plate portion 25 may have a plate shape when viewed as a whole.
In addition, since the cut-off member 20 is usually attached to the lower end portion over the entire length of the outer wall, the length is arbitrarily determined. In addition, the cut-through water material 20 is formed on a single sheet of metal, resin, or the like having a predetermined length, and is provided in advance with necessary first air introduction holes 25a, second external air introduction holes 21c, and third external air introduction holes 26a. After drilling holes, this plate is bent to form a whole, which is easily manufactured at low cost. However, the present invention is not limited to this. For example, the whole is manufactured by extrusion molding or the like. May be.
Further, here, the lower side portion of the hanging plate portion 24 is formed as a folded portion 24a which is folded inward. However, the folded portion 24a is for preventing the edge of the plate from being conspicuous. You may.
[0055]
Next, a third embodiment of the ventilation drainage structure according to the present invention will be described. FIG. 5A is a cross-sectional view illustrating a third embodiment of the ventilation drainage structure according to the present invention, and FIG. 5B is a partially enlarged view of FIG. In the ventilation drainage structure shown in these figures, a waterproof surface material 2 having an uneven surface 2e formed on the indoor side and formed with a large number of projections 2d, 2d,. This is obtained by mounting the cut-out material 20 shown in FIG. 4 to the exterior structure (see FIG. 12).
[0056]
As shown in the drawing, the cut-off water-permeable material 20 has a support plate portion 22 in close contact with the upper surface of the foundation B, and a waterproof back insertion portion 21 having a gap 21a between the waterproof back insertion portion 21 and the outdoor side surface of the outer wall sublining material 1. It is arranged so as to stand upright along the outer wall underlaying material 1 in the upright state. And the lower surface part of the waterproof face material 2 is arrange | positioned along the outer side surface of the waterproof back insertion part 21 of the water cut material 20. FIG.
[0057]
According to such a ventilation drainage structure, as shown in FIG. 5B, the outside air reaching the first outside air introduction hole 25a from between the exterior receiving plate portion 25 and the support plate portion 22 is removed by the waterproof back insertion portion. 21 (between the waterproof back insertion portion 21 and the outer wall sub-lining material 1), and through the second outside air introduction hole 21c, between the projections 2d, 2d,. The space is introduced into the ventilation space A formed on the outdoor side of the outer wall sublining material 1 to prevent dew condensation inside the outer wall.
Also, the rainwater flowing down on the surface of the cement mortar 3 falls on the draining plate portion 23 of the ventilation draining material 20, and drops downward along the outer surfaces of the draining plate portion 23 and the hanging plate portion 24. Does not wet the outer surface. At this time, since the draining plate portion 23 is not in contact with the cement mortar 3, the cement mortar 3 does not absorb snowmelt or rainwater on the draining plate portion 23 and deteriorates.
[0058]
Are arranged on the upper surface of the base B, and a space surrounded by the base B, the base D, and the base packings K, K communicates with the third outside air introduction hole 26a below the cut-off water cut material 20. Therefore, ventilation of the underfloor space Y can be performed via the third outside air introduction hole 26a.
Further, the support plate portion 22 of the ventilation drainage material 20 is arranged in close contact with the upper surface of the foundation B, and the draining plate portion 23 and the hanging plate portion 24 protrude from the tip side, so that a so-called dovetail is formed. Therefore, insects such as ants coming along the outer surface of the foundation B may enter the underfloor space Y from the third outside air introduction hole 26a, or may enter the first outside air introduction hole 25a or the second outside air introduction hole 21c. Can be reliably prevented from entering the ventilation space A inside the outer wall.
The exterior receiving plate 25 supports the cement mortar 3 as an exterior material and serves as a ruler when applying a wet exterior material such as the cement mortar 3, but the exterior material is limited to a wet type. However, a dry type such as siding may be used.
[0059]
Next, a fourth embodiment of the ventilation drainage structure according to the present invention will be described. FIG. 6A is a cross-sectional view showing a fourth embodiment of the ventilation drainage structure according to the present invention, and FIG. 6B is a partially enlarged view of FIG. 6A. In the ventilation drainage structure shown in these figures, a waterproof surface material 2 having an uneven surface 2e formed on the indoor side and formed with a large number of projections 2d, 2d,. An exterior bead 40 shown in FIG. 7A and a cut-off water-permeable material 30 shown in FIG. 7B are mounted on the exterior structure (see FIG. 12). However, the foundation packings K, K,... Are not arranged on the upper surface of the foundation B.
[0060]
Here, the cut-off cut-off material 30 is obtained by bending a single iron plate that has been subjected to anticorrosion treatment, and as shown in FIG. 7B, a plate-shaped waterproof back insertion part 31 and a waterproof back insertion part 31. A support plate portion 32 protruding forward from a lower side of the portion 31, a draining plate portion 33 protruding forward and downward from a distal end side of the support plate portion 32, and a hanging plate portion 34 protruding downward from the distal end side of the drainage plate portion 33. And Then, as shown in FIG. 6, the waterproof back insertion portion 31 of the water-permeable cut-off material 30 has its back surface abutting on the outdoor side surface at the lower portion of the outer wall lower material 1 (the outer wall lower material outside the base D). 1 so as to abut on the outdoor side surface, and the support plate portion 32 of the ventilation drainage member 30 is in close contact with the upper surface of the foundation B (the base end of the drainage plate portion 33 is in contact with the foundation B). To).
[0061]
As shown in FIG. 7A, the exterior bead 40 includes an exterior receiving plate portion 41 that supports a lower end portion of the cement mortar 3 serving as an exterior material, and a spine that stands upright from a rear end side of the exterior receiving plate portion 41. A resin member composed of a face plate portion 42 and a positioning portion 43 protruding from the exterior receiving plate portion 41 such that the front end side is located behind the rear plate portion 42 and below the exterior receiving plate portion 41. is there. Here, a plurality of outside air introduction holes 43a, 43a,... Are formed in the positioning portion 43, and a plurality of holes 42a, 42a,.
As shown in FIG. 6, the outer bead 40 is positioned such that the distal end side of the positioning portion 43 is located in the corner formed by the waterproof back insertion portion 31 and the support plate portion 32 of the cut-off water-permeable material 30, and The face plate portion 42 is disposed so as to sandwich the lower side portion of the waterproof face material 2 between the face plate portion 42 and the waterproof back insertion portion 31 of the cut water cut material 30.
[0062]
According to such a ventilation drainage structure, as shown in FIG. 6 (b), the ventilation drainage is carried out from the outside air introduction hole 43a of the positioning part 43 of the exterior bead 40 by the gap between the projections 2d, 2d,. Outside air is introduced into the ventilation space A formed outside the waterproof back insertion portion 31 of the material 30 or on the outdoor side of the outer wall sublining material 1, so that dew condensation inside the outer wall is reliably prevented.
Also, the rainwater flowing down on the surface of the cement mortar 3 falls on the draining plate part 33 of the ventilation water cutting material 30 and drops downward along the outer surfaces of the draining plate part 33 and the hanging plate part 34, so that the foundation B Does not wet the outer surface. At this time, since the draining plate portion 33 is not in contact with the cement mortar 3, the cement mortar 3 does not suck up snowmelt or rainwater on the draining plate portion 33 and deteriorates.
Furthermore, the so-called dovetail formation is formed by the support plate portion 32 of the ventilation drainage material 30 being arranged closely along the upper surface of the foundation B, and the draining plate portion 33 and the hanging plate portion 34 projecting from the tip side. Thus, insects such as ants coming up along the outer surface of the base B can be reliably prevented from entering the ventilation space A inside the outer wall from the outside air introduction hole 43a of the exterior bead 40.
[0063]
The exterior receiving plate portion 41 of the exterior bead 40 supports the cement mortar 3 as an exterior material, and also serves as a ruler when applying a wet exterior material such as the cement mortar 3. The holes 42a of the rear plate 42 of the exterior bead 40 are for allowing the cement mortar 3 to be applied to be well entangled.
[0064]
Also, here, the foundation packings K, K,... Are not arranged on the upper surface of the foundation B, but like the ventilation drainage structure shown in FIGS. Are arranged to form a space surrounded by the foundation B, the base D, and the foundation packings K, K. Further, an outside air introduction hole (not shown) is formed in the lower part of the waterproof back insertion part 31 of the cut-off water-permeable material 30. If formed, the underfloor space Y can be ventilated via the outside air introduction hole and the outside air introduction hole 43a of the exterior bead 40.
[0065]
Next, a fifth embodiment of the ventilation drainage structure according to the present invention will be described. FIG. 8A is a cross-sectional view illustrating a fifth embodiment of the ventilation drainage structure according to the present invention, and FIG. 8B is a partially enlarged view of FIG. 8A. In the ventilation drainage structure shown in these figures, a waterproof surface material 2 having an uneven surface 2e formed on the indoor side and formed with a large number of projections 2d, 2d,. 6 is similar to the structure shown in FIG. 6 in that the cut-out member and the exterior bead are attached to the exterior structure (see FIG. 12). It differs in that it is not the outside but the corner formed by the lower house and the outer wall of the upper floor. 7A. In addition, as compared with the cut-off cut-off material 30 shown in FIG. The difference is that there is a roof retainer 35 along the upper surface of the roof.
[0066]
As shown in FIG. 8 (b), even with such a structure for draining water, as shown in FIG. 8 (b), the drainage of water is performed through the gap between the projections 2d, 2d,. Outside air is introduced into the ventilation space A formed outside the waterproof back insertion portion 31 of the material 30 ′ or on the outdoor side of the outer wall sublining material 1, so that dew condensation inside the outer wall is reliably prevented.
[0067]
In addition, this ventilation drainage structure can be applied mutatis mutandis to the case where a ventilation drainage member and an exterior bead are attached to the corners formed by the balcony floor and the outer wall. Needless to say, in that case, the shape of the cut-off material is appropriately changed.
[0068]
Next, a sixth embodiment of the ventilation drainage structure according to the present invention will be described. FIG. 9A is a cross-sectional view showing a sixth embodiment of the ventilation drainage structure according to the present invention, and FIG. 9B is a partially enlarged view of FIG. 9A. In the ventilation drainage structure shown in these figures, a waterproof surface material (first waterproof surface material) 2 having an uneven surface 2e formed on the indoor side and formed with a large number of projections 2d, 2d,. 7 is attached to the exterior structure (see FIG. 12) fastened to the outdoor side of FIG. 1 with the cut-out material 30 shown in FIG. 7 (b) and the rat proof material 50 shown in FIG.
Reference numeral 2 'indicates a second waterproof surface material. The second waterproof face material 2 ′ has the same structure as the waterproof face material 2, and the height thereof is sufficient to be greater than the height of the waterproof back insertion part 31 of the cut-off water-permeable material 30.
[0069]
Here, as shown in FIG. 10, the rat-proof material 50 includes a support plate portion 51 that is disposed in close contact with the upper surface of the base B, and a rising plate portion 52 that rises vertically from the rear end of the support plate portion 51. It is composed of A projection 53 slightly protrudes outward from a substantially middle position in the height direction of the rising plate portion 52. Further, a plurality of outside air introduction holes 52a, 52a,... Are formed in the rising plate portion 52 between the support plate portion 51 and the projection 53. Are sized so that small animals such as rats do not enter the underfloor space Y.
[0070]
As shown in FIG. 9, the rat proof material 50 is arranged and fixed such that the rising plate portion 52 stands upright on the outdoor side of the foundation packings K, K,. Further, the second waterproof face material 2 ′ is fastened to the outdoor side surface of the outer wall sub-covering material 1 outside the base D by a fastening means, and the lower side here is a rising plate portion of the rat-proof material 50. 52. In addition, the water-permeable cut-off member 30 is arranged such that the waterproof back insertion part 31 is in close contact with the outdoor side surface of the second waterproof face member 2 ′. Then, the first waterproof face material 2 is arranged such that the lower side thereof is along the outer side face of the waterproof back insertion part 31 of the cut-off cut water material 30.
[0071]
According to such a structure, the outside air introduced into the ventilation space A formed on the outdoor side of the outer wall sublining material 1 by the gap between the projections 2d, 2d,. , Above, is introduced into the ventilation space A formed on the outdoor side of the outer wall sub-lining material 1 by the gap between the projections 2d, 2d,... Of the first waterproof surface material 2, thereby preventing the internal dew condensation on the outer wall. .
Further, the rainwater flowing down on the surface of the cement mortar 3 is dripped downward along the outer surfaces of the draining plate portion 33 and the hanging plate portion 34 of the ventilation water cutting material 30, and thus does not wet the outer surface of the foundation B.
[0072]
Are arranged on the upper surface of the base B, and a space surrounded by the base B, the base D, and the base packings K, K forms an outside air introduction hole 52a of the rising plate portion 52 of the rat proof material 50. Communication with the underfloor space Y, it is possible to ventilate the underfloor space Y via the outside air introduction hole 52a while preventing entry of small animals such as rats into the underfloor space Y.
[0073]
If the rat-proof material 50 is eliminated in such a structure for draining water, the corners formed by the lower house and the outer wall of the upper floor as shown in FIG. 8, or the balcony floor and the outer wall are formed. It can be applied mutatis mutandis to the corners.
In addition, it is needless to say that the exterior material is not limited to a wet type, but may be a dry type such as siding.
[0074]
【The invention's effect】
As described above, according to the water draining material or the water draining structure according to the present invention, in particular, the waterproof surface material provided on the indoor side with the uneven surface formed by dotted formation of a large number of projections is the outdoor side of the outer wall sublining material. Also, in the exterior structure fastened to the outer wall, the outside air can be reliably introduced into the ventilation space formed on the outdoor side of the outer wall sublining material by the gap between the projections of the waterproof surface material, and the internal dew condensation on the outer wall can be prevented. At this time, drainage of rainwater or the like transmitted on the exterior material surface can be performed, and ventilation of the underfloor space can be performed through a gap formed between the base and the base by the base packing.
In addition, the drainage material according to the present invention can be manufactured at low cost by bending one sheet.
[Brief description of the drawings]
FIG. 1 is a perspective view illustrating a first embodiment of a cut-through water material according to the present invention.
FIG. 2A is a cross-sectional view illustrating a first embodiment of a vent drainage structure according to the present invention, and FIG. 2B is a partially enlarged view of FIG.
FIG. 3A is a cross-sectional view illustrating a second embodiment of the ventilation drainage structure according to the present invention, and FIG. 3B is a partially enlarged view of FIG.
FIG. 4 is a perspective view illustrating a second embodiment of a permeate drainer according to the present invention.
5A is a cross-sectional view illustrating a third embodiment of the ventilation drainage structure according to the present invention, and FIG. 5B is a partially enlarged view of FIG.
FIG. 6A is a cross-sectional view illustrating a fourth embodiment of the ventilation drainage structure according to the present invention, and FIG. 6B is a partially enlarged view of FIG.
7 (a) is a perspective view of a drainage material in the drainage structure of FIG. 6, and FIG. 7 (b) is a perspective view of the lower end bead.
FIG. 8A is a cross-sectional view showing a fifth embodiment of the ventilation drainage structure according to the present invention, and FIG. 8B is a partially enlarged view of FIG.
9A is a cross-sectional view illustrating a sixth embodiment of the ventilation drainage structure according to the present invention, and FIG. 9B is a partially enlarged view of FIG. 9A.
FIG. 10 is a perspective view of a rat-proof material in the ventilation drainage structure of FIG. 9;
FIG. 11 is a cross-sectional view of a conventional ventilation drainage structure.
FIG. 12 is a sectional perspective view of a conventional exterior structure.
13 is a sectional perspective view of a waterproof face material in the exterior structure of FIG.
[Explanation of symbols]
1 ... lining material for outer wall
2,2 '... waterproof surface material
2d ... projection
2e: Uneven surface
3. Cement mortar
3 '… siding
4 ... vertical waist edge
5 ... waterproof paper
10… cut water
11 ... waterproof back insertion part
11a ... second outside air introduction hole
12 ... support plate
13… drain board
14… hanging plate
14a… folded part
15… diagonal plate
15a: First outside air introduction hole
16 ... exterior receiving plate
17 ... gap
20… cut water
21 ... waterproof back insertion part
21a ... gap
21b… folded part
21c: 2nd outside air introduction hole
22… Support plate
23… drain board
24… hanging plate
25 ... exterior receiving plate
25a: First outside air introduction hole
26… Rising plate
26a: Third outside air introduction hole
30… cut water
31 ... waterproof back insertion part
32… Support plate
33… drain board
34… hanging plate
35… Roof holder
40 ... exterior bead
41 ... exterior receiving plate
42… back plate
42a ... hole
43… positioning part
43a ... outside air introduction hole
50… rat-proof material
51 ... support plate
52 ... Rise plate
52a ... outside air introduction hole
53 ... projection
60… cut water
61 ... Upper piece
62… lower piece
63… Upper ventilation hole
64… side piece
65… side vent
66… water slice
A: Ventilation space
B: Basic
D… Foundation
F… First floor
K: Basic packing
S: Lower frame of the first floor
Y ... underfloor space

Claims (16)

A plate-shaped waterproof back insertion portion having a back surface in close contact with the outer wall sub-lining material and a lower side abutting on the upper surface of the foundation, and a support projecting forward from the lower side of the waterproof back insertion portion along the upper surface of the foundation. A plate portion, a draining plate portion projecting forward and downward from the support plate portion, an oblique plate portion projecting forward and downward from the waterproof back insertion portion above a lower side of the waterproof back insertion portion, and an oblique plate portion And an exterior receiving plate portion protruding forward and separated from the support plate portion, and an outside air introduction hole for introducing outside air into the ventilation space inside the outer wall is formed in the diagonal plate portion. Characterized by a water drainer. The ventilation drainer according to claim 1, wherein an outside air introduction hole for introducing outside air into the underfloor space is formed in the waterproof back insertion portion. The ventilation drainage material according to claim 1 or 2, further comprising a hanging plate portion protruding downward from the drain plate portion. 4. The cut-through material according to any one of claims 1 to 3, wherein the whole is formed by bending a single plate. A waterproof surface material having an uneven surface formed by scattered formation of a large number of projections on the indoor side is fastened to the outdoor side surface of the outer wall sublining material, and an exterior material is attached to the outdoor side of the waterproof surface material,
The support plate portion of the cut-through material according to any one of claims 1 to 4 is in close contact with the upper surface of the foundation, and the waterproof back insertion portion of the cut-off material is in close contact with the outdoor side surface of the outer wall sublining material. Placed
The lower side portion of the waterproof face material is disposed along the outer surface of the waterproof back insertion part and the oblique plate portion of the cut water drain material so as to cover the outside air introduction hole of the oblique plate portion of the cut water drain material from above. ,
A vented drainage structure. A waterproof paper is fastened to the outdoor side surface of the outer wall underlaying material, a plurality of vertical waist edges are fixed to the outer wall underlaying material through the waterproof paper, and an exterior material is attached to these vertical waist edges,
The support plate portion of the cut-through material according to any one of claims 1 to 4 is in close contact with the upper surface of the foundation, and the waterproof back insertion portion of the cut-off material is in close contact with the outdoor side surface of the outer wall sublining material. Placed
The lower side of the waterproof paper is disposed along the outer side surface of the waterproof back insertion portion of the cut-off cut material so as not to cover the outside air introduction hole of the oblique plate portion of the cut-off cut material.
A vented drainage structure. A plate-shaped waterproof back insertion portion that is erected along the outer wall underlay with a gap between the outdoor wall and the outdoor side surface, and along the upper surface of the foundation below the waterproof back insert. A supporting plate portion projecting forward from the front, a draining plate portion projecting forward and downward from the supporting plate portion, and an exterior receiving plate portion projecting forward from a lower side of the waterproof back insertion portion while being separated from the supporting plate portion. A first outside air introduction hole for introducing outside air from between the exterior receiving plate portion and the support plate portion to a gap between the waterproof back insertion portion and the outer wall sub-lining material; And a second outside air introduction hole for introducing water. The drainage material according to claim 7, wherein a third outside air introduction hole for introducing outside air into the underfloor space is provided below the waterproof back insertion portion. The ventilation draining material according to claim 7 or 8, further comprising a hanging plate portion protruding downward from the draining plate portion. The cut-through material according to any one of claims 7 to 9, wherein the whole is formed by bending a single plate. A waterproof surface material having an uneven surface formed by scattered formation of a large number of projections on the indoor side is fastened to the outdoor side surface of the outer wall sublining material, and an exterior material is attached to the outdoor side of the waterproof surface material,
The support plate portion of the cut-out material according to any one of claims 7 to 10, wherein the support plate portion is in close contact with the upper surface of the foundation, and the waterproof back insertion portion of the cut-out material is in contact with the outdoor side surface of the outer wall sublining material. It is erected and fixed along the outer wall underlay with a gap in between,
The lower side portion of the waterproof face material is disposed along the outer side surface of the waterproof back insertion portion of the ventilation drainage material,
A vented drainage structure. A waterproof surface material having an uneven surface formed by scattered formation of a large number of projections on the indoor side is fastened to the outdoor side surface of the outer wall sublining material, and an exterior material is attached to the outdoor side of the waterproof surface material,
A vented water cutting member comprising a plate-shaped waterproof back insertion portion and a draining plate portion projecting forward and downward below the waterproof back insertion portion, wherein the waterproof back insertion portion has a back surface on the outdoor side surface of the outer wall sublining material. Placed so as to be in close contact with
The lower side of the waterproof face material is arranged along the outer side surface of the waterproof back insertion part of the ventilation drainage material,
An exterior receiving plate that supports a lower end of the exterior material, a back plate that stands upright from the exterior receiving plate, and a leading edge positioned behind the back plate and below the exterior receiving plate. An exterior bead having a positioning portion protruding from the exterior receiving plate portion and an outside air introduction hole drilled in the positioning portion has a tip side of the positioning portion, a waterproof back insertion portion of the ventilation drainage material. The rear plate portion is located at a corner formed at the lower part of the lower portion of the waterproof face material and is disposed so as to sandwich the lower side portion of the waterproof face material between the lower surface portion and the waterproof back insertion portion of the ventilation drainage material.
A vented drainage structure. The vented draining structure according to claim 12, wherein a base end of the draining plate portion of the ventilation draining member abuts a foundation, and a hanging plate portion projects downward from the draining plate portion. An outside air introduction hole for introducing outside air into the underfloor space is formed in the waterproof back insertion portion of the cut-off water drainage material, and a gap between base packings arranged on the upper surface of the foundation and the outside air introduction hole is provided. The vent drainage structure according to claim 13, wherein outside air is introduced into the underfloor space. A first waterproof surface material having an uneven surface formed by dotted formation of a large number of protrusions on the indoor side is fastened to the outdoor side surface of the outer wall sublining material, and an exterior material is provided on the outdoor side of the first waterproof surface material. Attached,
A second waterproof surface material provided on the indoor side with an uneven surface formed by scattered formation of a number of projections is fastened to the outdoor side surface at a lower portion of the outer wall sublining material,
A water-permeable cut-off member having a plate-shaped waterproof back insertion portion and a draining plate portion protruding forward and downward below the waterproof back insertion portion, wherein the back surface of the waterproof back insertion portion has an outdoor surface of the second waterproof face material. It is arranged to be in close contact with the side,
A lower side portion of the first waterproof face material is disposed along an outer surface of the waterproof back insertion portion of the ventilation water cutting material,
A vented drainage structure. A plurality of foundation packings are arranged on the upper surface of the foundation with a gap therebetween in the horizontal direction, and a rat proof material with an outside air introduction hole is arranged on the outdoor side of the foundation packing including the gap, The vent drainage structure according to claim 15, wherein

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