JP3444275B2 - Seal fitting, exterior wall construction structure using this, exterior wall construction method - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seal fitting arranged behind a fastening fitting for attaching an outer wall plate having a four-way joint structure to a base material, an outer wall construction structure using the same, and an outer wall construction method.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 20, there is an outer wall construction structure 9 using an outer wall plate 2 having a four-sided joint structure. That is, the outer wall plate 2 has an upper lower nut 22, a lower upper nut 21, and lateral lower nuts 24 and lateral upper nuts 23 provided on the left and right. Then, the upper outer wall plate 2 is attached to the upper base 22 of the lower outer wall plate 2.
The lower solid 21 is overlapped, and the lateral lower solid 24 of the left outer wall plate 2 and the lateral upper solid 23 of the right outer wall plate 2 are stacked.

In the outer wall construction structure 9 shown in FIG.
As shown in FIG. 21, fasteners 5 (see FIG. 3) are arranged at the corners 25 of each outer wall plate 2 to fix each outer wall plate 2 to a base material 3 such as a furring strip. The fastener 5
Is a fixed plate portion 51 which comes into contact with the back side surfaces of the outer wall plates 2 arranged vertically, a support portion 52 which is provided upright over the entire width of the fixed plate portion 51, and a front end portion 521 of the support portion 52. The upper plate locking portion 53 bent obliquely upward and the support portion 52
Lower plate locking portion 54 bent obliquely downward from the front end portion 521 of the
And a front flat plate portion 57 continuously provided between the respective tip portions of the upper plate locking portion 53 and the lower plate locking portion 54.

Further, the fixed plate portion 51 has a step portion 55 which is slanted backward at the upper end portion thereof, and a bent portion 56 which is bent backward at approximately 90 ° at the lower end portion thereof. Further, the fixing plate portion 51 is formed with a screw hole 512 for inserting the screw 4 fixed to the base material 3 (see FIG. 3).

And, the above-mentioned fastening fitting 5 is shown in FIG.
As shown in FIG. 21, the upper and lower outer wall plates 2 are fixed to the base material 3 with screws 4. That is, the lower plate locking portion 54 is locked to the upper lower solid 22 of the outer wall plate 2 on the lower side, and the support portion 52 is
The upper outer wall plate 2 is supported by the upper plate locking portion 53
Is locked to the lower shell 21 of the upper outer wall plate 2.

[0006] The upper lower solid 22 and the lower upper solid 2 of the outer wall plate 2
The shape of No. 1 is as described in detail in the embodiment below (see FIGS. 6 and 7). Also, regarding the state in which the upper plate locking portion 53 and the lower plate locking portion 54 of the fastening member 5 lock the lower upper portion 21 and the upper lower portion 22 of the outer wall plate 2, the following embodiments will be described. As described in detail (FIG. 11)
reference).

Further, as shown in FIGS. 20 and 21, caulking material 29 is cast on the upper lower shell 22 and the lateral lower shell 24 of the outer wall plate 2. The lower solid 21 or the horizontal solid 23 of the other outer wall plate 2 overlaps on the caulking material 29, and the caulking material 29 is pressed, so that the outer wall construction structure 9 is formed from the joint gap portion 27 of each outer wall plate 2. Prevents water from getting inside.

Further, in the outer wall construction structure 9 of the above four-sided joint, as shown in FIGS. 20 and 21, the caulking material 29 is covered by the lower upper part 21 or the lateral upper part 23 and exposed in front of the outer wall. do not do. Therefore, it is possible to obtain an outer wall construction structure having an excellent appearance design.

[0009]

However, although the caulking material 29 is placed in the outer wall construction structure 9, it is difficult to reliably prevent water from entering due to the following problems. There is.

The outer wall construction structure 9 is a joint portion between the upper and lower outer wall plates 2, and is a joint portion between the left and right outer wall plates 2, that is, the corner portions 25 of the four outer wall plates 2 are arranged to face each other. The fastener 5 is arranged (FIG. 20). And Figure 2
As shown in FIG. 21, the support portion 52 and the front flat plate portion 57 of the fastening member 5 are disposed between the lower solid 211 of the upper outer wall plate 2 and the upper lower solid 221 of the lower outer wall plate 2. Will be placed. For this reason, the caulking material 29 cast on the horizontal solid 24 of the upper and lower outer wall plates 2 does not continue over the upper and lower outer wall plates 2 and 2, and is interrupted above and below the bearing portion 52 and the front flat plate portion 57. (Fig. 20, Fig. 21).

Then, as shown in FIGS. 21 and 22, when rainwater 6 enters from the joint gap portions 27 of the left and right outer wall plates 2, the rainwater 6 is laterally moved by the caulking material 29 (see FIGS. 21 and 22). In the above, the movement to the right) is blocked, and the material travels through the joining gap portion 27 and falls downward. Then, the rainwater 6 passes through the front surface of the front flat plate portion 57 of the fastening member 5 and moves to the joint gap portion 27 which continues further downward.

However, a part of this rainwater 6 is
1, as shown in FIG. 22, it flows to the left and right along the front surface of the front flat plate portion 57, falls from the side end portion 59 to the upper lower solid 22 of the lower outer wall plate 2, and further, on the back side of the outer wall plate 2. May infiltrate into Further, a part of the rainwater 6 that has moved to the left and right along the front flat plate portion 57 gets over the upper plate locking portion 53, and above the support portion 52, and further both side end portions 59 thereof.
Move to. Then, the rainwater 6 also infiltrates into the back side of the outer wall plate from the side end portion 59 of the fastening fitting 5. This may lead to corrosion and deterioration of the outer wall plate 2 and the base material 3.

The joint gap portion 2 between the upper and lower outer wall plates 2
The rainwater 6 that has entered from 70 is prevented from moving to the upper part by the horizontal caulking material 29 placed on the upper part of the upper part, and is discharged forward as it is (FIGS. 21 and 22).

The present invention has been made in view of the above conventional problems, and in an outer wall construction structure of a four-sided joint structure, it is possible to surely prevent rainwater from entering, and an outer wall construction using the same. It is intended to provide a structure and an outer wall construction method.

[0015]

According to a first aspect of the present invention, there is provided a sealing metal fitting, which is disposed behind a fastening metal fitting arranged at upper, lower, left, and right joints of four outer wall plates having a four-sided joint structure, The sealing metal fittings are a board portion fixed to the base material, a pair of horizontal standing portions provided on the left and right sides of the substrate portion and standing upright in the horizontal direction, and bent obliquely downward from the front end thereof. and an inclined portion, below in the substrate portion, vertical
Yes and vertical standing portion erected forward linear direction provided, at least the horizontal erected portion and the upper surface of the inclined portion, and the substrate portion in its upper, Yes and the elastic member disposed, or
In addition, the above-mentioned fastening metal is on the back side of the outer wall boards arranged vertically.
The fixed plate part that abuts the surface and the entire width of the fixed plate part
The bearing that is erected on the front side and diagonal from the front end of the bearing
From the upper plate locking part bent upwards and the front end of the bearing part
The lower plate locking portion bent obliquely downward, the upper plate locking portion, and
Such as the front flat plate part that is connected between the tip parts of the lower plate locking part
Rannahli, when construction, the side end portions of the left and right of the fastening member is in close contact with the elastic member, the lower end of the fastening member is
A seal fitting, which is in contact with an upper end portion of the vertical standing portion, and is configured such that a lower solid and a back side surface of the left and right outer wall plates arranged on the upper side are in close contact with the elastic material. It is in.

What is most noticeable in the present invention is that the seal fitting has the horizontal standing portion and the inclined portion,
An elastic material is provided on the upper surface of the horizontal standing portion and the inclined portion and the substrate portion above the upper portion (see FIG. 1). The elastic material is elastic and waterproof. The outer wall plate having the four-sided consensus structure is an outer wall plate having upper lower fruit and lower upper fruit on the upper and lower sides and lateral lower fruit and horizontal upper fruit on the left and right sides (Fig. 5). (See FIG. 7). In addition,
In this specification, the outside direction of the building is referred to as “forward” and the inside direction of the building is referred to as “rear”, and the above-mentioned fastening fitting is the outside direction of the building when attached to the base material. The direction is called "front" and the direction inside the building is called "rear".

Further, the above-mentioned fastening fittings include a fixed plate portion that abuts the back side surfaces of outer wall plates arranged vertically, a support portion that is erected upright over the entire width of the fixed plate portion, and the support portion of the support portion. An upper plate locking part that is bent obliquely upward from the front end, a lower plate locking part that is bent obliquely downward from the front end of the support part, and tip parts of the upper plate locking part and the lower plate locking part And a front flat plate portion continuously provided between the two (see FIG. 3).

Next, an example of an outer wall construction structure in which an outer wall plate is attached to the above-mentioned base material using the sealing metal fitting and the above-mentioned fastening metal fitting of the present invention will be described. The sealing metal fitting and the fastening metal fitting arranged in front of the sealing metal fitting are both fixed to the base material. The two adjacent outer wall plates arranged below the fastening member have the upper fruit locked to the lower plate locking portion of the fastening member. Further, the two adjacent outer wall plates arranged above have the lower nut mounted on the support portion of the fastening member and locked by the upper plate locking portion (see FIGS. 8 and 10). ).

Further, the outer wall plate is composed of an upper lower portion, a lateral lower portion,
Alternatively, a caulking material is placed on the lower and horizontal sides (see FIG. 5). As described above, the elastic material of the sealing metal member is in close contact with the side end portion of the fastening metal member, the back side surface of the outer wall plate above, and the lower part of the outer wall plate.

Next, the function and effect of the present invention will be described.
When the outer wall plate is applied to the base material, the horizontal standing portion of the sealing metal member, together with the support portion of the fastening metal member, is composed of the lower solid part of the upper outer wall plate and the upper solid part of the lower outer wall plate. Placed in between.

The elastic material is provided on the upper surface of the horizontal standing portion. Therefore, the elastic material comes into close contact with the lower part of the upper outer wall plate (see FIG. 8). The elastic material is
As described above, make a close contact with the side edge of the fastener. That is, the elastic material on the upper surface of the horizontal standing portion is in close contact with the side end portions of the front flat plate portion and the bearing portion of the fastening fitting (see FIG. 4). Further, an elastic material is also arranged on the substrate portion above the horizontal standing portion. This elastic material is in close contact with the back side surface of the upper outer wall plate (see FIG. 8).

Therefore, even if rainwater intrudes into the vertical joint gap between the upper and lower two outer wall plates in the vertical direction, that is, the gap between the horizontal lower and horizontal upper fruits, it must penetrate into the outer wall construction structure. There is no. This will be described below. That is, the rainwater that has entered the joint gap portion is prevented from moving in the lateral direction by the caulking material, and drops downward along the joint gap portion. Then, the rainwater passes through the front surface of the front flat plate portion of the fastening fitting, moves further downward, and moves to the joint gap portion where it falls. Further, a part of the rainwater that has moved left and right along the front flat plate portion gets over the upper plate locking portion and moves to the supporting portion and further to both end portions thereof.

However, as described above, the elastic material provided on the seal fitting is provided on the front flat plate portion, the support portion, the side end portions of the fixing plate portion of the fastening fitting, and the lower solid and the back surface of the outer wall plate. It is in close contact. Therefore, even if rainwater enters the joint gap, it is blocked by the elastic material that is in close contact with both side ends of the fastening fitting (see FIGS. 17 to 19). That is, the rainwater that has moved laterally along the front flat plate portion is blocked by the elastic material that is in close contact with both end portions of the front flat plate portion. In addition, even if rainwater moves to the upper surface of the bearing portion or infiltrates between the outer wall plate and the fixed plate portion of the fastening member, the above-mentioned close contact with both end portions of the bearing portion or the fixed plate portion may occur. Blocked by elastic material.

As described above, by using the sealing metal fitting, it is possible to reliably prevent the rainwater from entering the inside of the outer wall construction structure, and surely prevent the corrosion and deterioration of the outer wall plate and the base material. can do.

As described above, according to the present invention, it is possible to provide the seal fitting capable of reliably preventing the intrusion of rainwater in the outer wall construction structure of the four-way joint structure.

Further, below in the substrate portion, a vertical standing portion that stands in front in the vertical direction is provided. The above-mentioned vertical standing portion is brought into contact with the lateral lower side surface of the lower outer wall plate when constructed. As a result, the lateral position of the outer wall plate can be accurately aligned, and the lateral shift of the outer wall plate after construction can be prevented.

Next, as in the invention described in claim 2 , it is preferable that the elastic material is a foam. By this,
It is possible to more reliably obtain the seal fitting that prevents rainwater from entering. Examples of the foam include rubber foam made of EPDM (ethylene / propylene rubber) or the like, or synthetic resin foam such as polyethylene. Further, the foam is preferably a closed cell foam.

Next, as in the invention described in claim 3 , in the outer wall construction structure of a four-sided congruent structure in which the outer wall plate is attached to the base material using the seal fitting and the fastening fitting, the fastening is performed. The metal fitting has a fixed plate portion that abuts the back side surfaces of the outer wall plates arranged vertically, a support portion that is erected upright over the entire width of the fixed plate portion, and is bent obliquely upward from the front end portion of the support portion. The upper plate locking part, the lower plate locking part that is bent obliquely downward from the front end part of the support part, and the front that is connected between the upper plate locking part and the lower plate locking part. The sealing metal fitting and the fastening metal fitting, which is made up of a flat plate portion and is placed in front of the sealing metal fitting, are both fixed to the base material by the fastener, and two adjacent pieces placed below the fastening metal fitting. The outer wall plate of the Two outer wall plates adjacent to each other, which are locked to the slanted part of the seal fitting, place the lower shell on the bearing part of the fastening fitting and are locked to the upper plate locking part. The outer wall plate is made by placing caulking material on the upper bottom and side bottoms, or on the lower bottom and side tops, and the elastic material of the seal fitting is on the side of the fastening fitting. There is an outer wall construction structure characterized in that the end portion is in close contact with the back side surface of the outer wall plate above and the upper part of the outer wall plate (see FIGS. 5 and 8 to 11).

In the outer wall construction structure, as described above, the elastic member includes the side edges of the front flat plate portion, the support portion, and the fixing plate portion of the fastening member, the back side surface of the upper outer wall plate, and The bottom part is closely attached. Therefore, as described above, it is possible to reliably prevent the rainwater from entering the inside of the outer wall construction structure, and it is possible to reliably prevent the corrosion and deterioration of the outer wall plate, the base material, and the like.

As described above, according to the present invention, it is possible to provide an outer wall construction structure having a four-way joint structure capable of reliably preventing rainwater from entering.

Next, as in the invention described in claim 4 , a vertical erected portion which is erected upright in the vertical direction is provided below the base of the seal fitting, and the outer wall on the lower side is provided. It is preferable that the horizontal lower part of the plate is in contact with the vertical standing portion. As a result, the lateral displacement of the outer wall plate after construction can be reliably prevented.

Next, a method of constructing the outer wall construction structure according to the invention of claim 5 , wherein the outer wall construction method has the following first to sixth steps: In the first step, the first outer wall plate is placed on the base material, and in the second step, the horizontal upper fruit of the second outer wall plate and the horizontal upper fruit of the second outer wall plate are left and right. In the third step, the second outer wall plate is arranged on the base material by joining in a fixed manner, and in the third step, the side end portion of the fastening metal fitting is brought into close contact with the elastic material of the sealing metal fitting. Is placed in front of the seal fitting, the base plate of the seal fitting and the fixing plate of the fastening fitting are inserted between the base material and the outer wall plate, and in the fourth step, the fastening The lower plate locking part of the fitting is locked to the upper part of the outer wall plate, and The horizontal standing portion and the inclined portion are brought into contact with the upper part of the outer wall plate, and the sealing metal fitting and the fastening metal fitting are fixed to the base material by the fastener, and in the fifth step, the third outer wall The plate, the upper part of the bottom is the above 1
It is attached to the upper part of the outer wall plate of the second sheet so as to be engaged with the upper plate locking part of the above-mentioned fastening metal fitting, and in the sixth step, the fourth outer wall plate is attached to the upper part of the second outer plate. Attach the horizontal nut to the upper fruit of the third outer wall plate so as to overlap with the horizontal fruit of the third outer wall plate, and attach the lower nut to the upper plate locking part of the fastening metal fitting, In the fifth and sixth steps, the outer wall construction method is characterized in that the lower solid and the back side surface of the third and fourth outer wall plates are brought into close contact with the elastic member of the seal fitting. (See FIGS. 12 to 16).

What is most noticeable in this outer wall construction method is that, in the third step, the fastening metal fittings are overlaid on the sealing metal fittings so that the side end portions of the fastening metal fittings closely adhere to the elastic material of the sealing metal fittings. And in the fifth and sixth steps, the lower solid and the back side surface of the third and fourth outer wall plates are brought into close contact with the elastic member of the seal fitting.

With this, the elastic plate can be easily and surely attached to the side end portions of the front flat plate portion, the support portion, and the fixing plate portion of the fastening member, the back side surface of the outer wall plate on the upper side, and the lower solid. It can be installed in close contact with. Therefore, it is possible to reliably prevent the rainwater from entering the inside of the outer wall construction structure, and it is possible to reliably prevent the corrosion and deterioration of the outer wall plate and the base material.

As described above, according to the present invention, it is possible to provide an outer wall construction method having a four-way joint structure capable of reliably preventing rainwater from entering.

Next, as in the invention described in claim 6 , a vertical erected portion which is erected vertically forward is provided below the base of the seal fitting, and the third step is performed. In the above, in the fourth step, the vertical standing portion is inserted into the back-side joint gap on the back surface side of the left and right outer wall plates, and the vertical standing portion is pressed against the lateral lower part of the first outer wall plate. It is preferable to fix the seal fitting to the base material (see FIG. 17). As a result, it is possible to easily position the sealing metal fittings, and it is possible to reliably prevent the outer wall plate from being laterally displaced after the construction.

[0037]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments A seal fitting, an outer wall construction structure and an outer wall construction method using the same according to an embodiment of the present invention will be described with reference to FIGS. 1 to 19. 1 to 4 are explanatory views mainly relating to the seal fitting 1 and the fastening fitting 5, FIGS. 5 to 11 are explanatory views mainly related to the outer wall construction structure, and FIGS. 12 to 16 are mainly related to the outer wall construction method. FIG. 17 and FIG. 17 to FIG. 19 are explanatory diagrams mainly relating to action and effect.

The seal fitting 1 of this embodiment is used together with the fastening fitting 5 shown in FIG. 3 and is arranged behind the fastening fitting 5 as shown in FIG. As shown in FIG. 5, the fastening member 5 includes an outer wall plate 2 having a four-sided joint structure having an upper lower solid 22, a lower upper solid 21, and lateral lower solids 24 and horizontal upper solids 23 provided on the left and right. , Which is to be attached to the base material 3, and is arranged at the portions where the corner portions 25 of the four outer wall plates 2 are arranged to face each other, that is, at the upper, lower, left and right joints.

As shown in FIGS. 1 and 2, the seal fitting 1 is a board portion 11 fixed to the base material 3 together with the fastening fitting 5, and a horizontal portion provided on the left and right sides of the board portion 11. Pair of horizontal erected portions 12 erected forward in the direction
And an inclined portion 121 bent obliquely downward from the front end thereof. The elastic member 1 is formed on the upper surfaces of the horizontal standing portion 12 and the inclined portion 121, and on the substrate portion 11 above the upper portion.
3 is provided. Also, the seal fitting 1 is shown in FIG.
As shown in FIGS. 8 and 9, when the construction is performed, the side end portion 59 of the fastening member 5, the lower solid 21 and the back side surface 26 of the outer wall plate 2 are configured to be in close contact with the elastic material 13. is there.

As shown in FIG. 2 (C), the horizontal standing portion 12 has an inclined portion 121 which is bent obliquely downward at the front end thereof, and the upper solid 22 of the outer wall plate 2 on the lower side.
It is designed so that it can be locked at 1 (Fig. 11). That is, the inclined portion 121 of the seal fitting 1 and the lower plate locking portion 54 of the fastening fitting 5, which will be described later, have the same inclination angle and exhibit the same function.

Further, as shown in FIGS. 1 and 2, a vertical erected portion 14 erected vertically upward is provided below the substrate portion 11. The seal fitting 1 is manufactured by cutting and bending a metal plate such as stainless steel. The elastic material 13 is EP
It is a closed-cell foam made of DM or the like.

Further, as shown in FIG. 2 (A), at the bent portion of the seal fitting 1, that is, at the base end portion of the horizontal standing portion 12 and the base end portion of the vertical standing portion 14, bending can be easily performed. A notch 111 for making the cut is provided. Also,
As shown in FIG. 2 (C), a recess 141 for reinforcing the vertical upright portion 14 is provided in the bent portion of the seal fitting 1 in which the vertical upright portion 14 is bent.

Further, as shown in FIG. 3, the fastening member 5 is provided on the back side surface 2 of the outer wall plate 2 (FIG. 11) arranged vertically.
6 has a fixed plate portion 51 that abuts, and a support portion 52 that is provided upright over the entire width of the fixed plate portion 51. Further, from the front end portion 521 of the support portion 52, an upper plate locking portion 53 bent obliquely upward and a lower plate locking portion 54 bent obliquely downward are formed. Then, the upper plate locking portion 5
A front flat plate portion 57 is continuously provided between the tip end portions of the lower plate engaging portion 3 and the lower plate engaging portion 54.

Further, the fixed plate portion 51 has a step portion 55 which is receded obliquely rearward at the upper end portion thereof, and a bent portion 56 which is bent rearward approximately 90 ° at the lower end portion thereof. Further, the fixing plate portion 51 is formed with a screw hole 512 for inserting the screw 4 fixed to the base material 3. Further, the step portion 55 is also provided with a through hole 552, through which a nail or the like can be inserted to fix the fastening member 5 to the base material 3.

A cut-and-raised portion 513 that is cut and raised forward is provided below the fixed plate portion 51, and the cut-and-raised portion 513 is a back surface of the outer wall plate 2 arranged below. Two
It cuts into 6 to prevent it from moving to the left and right, increasing the fixing force (Fig. 11).

Next, the outer wall construction structure 10 of a four-way consensus structure in which the ceramic outer wall plate 2 is attached to the base material 3 by using the sealing metal member 1 and the fastening metal member 5 is mainly shown in FIGS. Will be explained. FIG. 5 is a front view of the outer wall construction structure 10, FIG. 8 is a vertical cross-sectional view of the joint between the upper and lower outer wall plates 2, and FIG. 9 is a cross-sectional view of the joint between the left and right outer wall plates 2. In FIG. 5, some of the seal fitting 1, the fastening fitting 5, and the outer wall plate 2 are omitted as appropriate.

Prior to the description of the outer wall construction structure 10 (FIG. 5) of this example, the lower upper solid 21 and the upper lower solid 22 of the outer wall plate 2 are described.
The shape and the state of engagement by these fastening fittings 5 will be described in detail with reference to FIGS. 6, 7, and 11. As shown in FIG. 6, the lower solid part 21 of the outer wall plate 2 is a lower fitting part 211 which is fitted between the fixed plate part 51, the support part 52 and the upper plate locking part 53 of the fastening fitting 5. And a front surface lower end portion 216 extending below the lower fitting portion 211 in front thereof. The lower fitting part 211 is
It has a lower end surface 212 that is supported by the support portion 52 and an inclined surface 213 that is locked by the upper plate locking portion 53.

Also, the inclined surface 213 and the lower end portion 2 of the surface.
By the back side surface 217 of 16, the notch 21
4 is formed. Then, as shown in FIG. 11, the upper plate locking portion 53 and the front flat plate portion 57 of the fastening member 5 are fitted into the cut groove portion 214. As a result, the front flat plate portion 57 comes into contact with the back side surface 217 of the front surface lower end portion 216, the upper plate locking portion 53 locks the inclined surface 213, and the "upper plate locking portion 53 is moved to the lower portion. It is in a state of being locked to the upper body 21 ".

On the other hand, as shown in FIG. 7, the upper solid 22 of the outer wall plate 2 is formed by notching the front side of the upper end of the outer wall plate 2 so that the rear upper end 22 is formed behind it.
Has 1. An inclined surface 223 is formed at a corner between the upper end surface 222 and the front surface 224 of the rear surface upper end portion 221.

The rear upper end portion 221 is configured to be fitted between the fixed plate portion 51, the support portion 52 and the lower plate locking portion 53 of the fastening fitting 5. That is, FIG.
As shown in FIG. 1, the upper end surface 222 of the back surface upper end portion 221 is
Abut on the support portion 52, and the inclined surface 22
3 is locked to the lower plate locking portion 54 to be in a “state in which the lower plate locking portion 54 is locked to the upper lower fruit 22”.

Further, as shown in FIG. 7, a caulking material 29 is cast on the front surface 224 of the back surface upper end portion 221. Then, the back side surface 217 of the front lower end portion 216 of the lower solid 21 of the upper outer wall plate 2 is overlapped with the front surface 224 of the back upper end portion 221 of the upper lower solid 22 of the lower outer wall plate 2 so as to be vertically combined. Join regularly (Fig. 11).

As shown in FIGS. 8 and 10, in the outer wall construction structure 10 of the present embodiment, the sealing metal fitting 1 and the fastening metal fitting 5 arranged in front of the sealing metal fitting 1 are both fastened to the base material 3. It is fixed by screws 4 as a tool.
As shown in FIG. 10, the two adjacent outer wall plates 2 arranged below the fastening member 5 have the upper bottom 22 locked to the lower plate locking portion 54 of the fastening member 5. In addition, the two adjacent outer wall plates 2 arranged above are shown in FIG.
As shown in FIG. 5, the lower shell 21 is placed on the support portion 52 of the fastening fitting 5 and is locked by the upper plate locking portion 53.

Further, as shown in FIG. 5, the outer wall plate 2 is formed by casting caulking material 29 on the upper lower part 22 and the lateral lower part 24. The lower solid 21 or the horizontal solid 23 of the other outer wall plate 2 overlaps with the caulking material 29 and presses the caulking material 29 to prevent water from entering from the joint gap portion of each outer wall plate 2. (Fig. 11). The caulking material 29 may be placed on the back side surfaces of the lower upper shell 21 and the horizontal upper shell 23 of the outer wall plate 2.

Further, as shown in FIGS. 8 to 11, the elastic material 13 of the seal fitting 1 has the side end portion 5 of the front flat plate portion 57, the support portion 52, and the fixed plate portion 51 of the fastening fitting 5.
9 and the back side surface 26 of the upper outer wall plate 2 and the lower solid 21. In addition, as shown in FIGS. 5 and 17, the side surface of the horizontal lower shell 24 of the outer wall plate 2 below the seal fitting 1 is
It is in contact with the vertical standing portion 14 provided on the seal fitting 1.

Next, a method of constructing the outer wall construction structure 10 will be described mainly with reference to FIGS. 12 to 16.
In addition, the following description will explain a part of the steps of the outer wall construction method. The outer wall construction method is the following first
It has a process to a sixth process. That is, in the first step,
As shown in FIG. 12, the first outer wall plate 2 is arranged on the base material 3. In the second step, as shown in FIG. 13, the lateral lower solid 24 of the first outer wall plate 2 and the lateral upper solid 23 of the second outer wall plate 2 are joined in a right-and-left manner, and the base material 3 is joined. Then, the second outer wall plate 2 is arranged.

In the third step, as shown in FIG. 14, the side end portion 59 of the fastening fitting 5 is brought into close contact with the elastic material 13 of the sealing fitting 1 so that the fastening fitting 5 is placed in front of the sealing fitting 1. On top of. At this time, the bent portion 56, which is the lower end portion of the fastening member 5, abuts on the vertical standing portion 14 of the seal member 1. In this state, the seal fitting 1
The base plate portion 11 and the fixing plate portion 51 of the fastening fitting 5 are inserted between the base material 3 and the outer wall plate 2. At this time, the vertical standing portion 14 of the seal fitting 1 is attached to the back side of the left and right outer wall plates 2 on the back side bonding gap 2 of about 1 mm.
Insert in 8.

In the fourth step, as shown in FIG. 15, the lower plate engaging portion 54 of the fastening member 5 is engaged with the upper solid 22 of the outer wall plate 2, and the horizontal position of the sealing member 1 is changed. The upright portion 12 and the inclined portion 121 are brought into contact with the upper solid 22 of the outer wall plate 3, and the seal fitting 1 and the fastening fitting 5 are overlapped and fixed to the base material 3 with screws 4. At this time, as shown in FIG. 17, the vertical standing portion 14 of the seal fitting 1 is laterally pressed against the side surface of the horizontal lower shell 24 of the first outer wall plate 2.

In the fifth step, as shown in FIG. 16, the third outer wall plate 2 is laminated with the lower solid 21 thereof on the upper solid 22 of the first outer wall plate 2 and the fastening metal fittings. 5 is attached so as to be locked to the upper plate locking portion 53. At this time, the lower solid 21 and the back side surface 26 of the third outer wall plate 2 are attached to the elastic member 1 of the seal fitting 1.
Adhere to 3.

In the sixth step, the fourth outer wall plate 2
The lower nut 21 is overlapped with the upper nut 22 of the second outer wall plate 2 and the horizontal nut 23 is overlapped with the horizontal nut 24 of the third outer wall plate 2. It is attached so as to be locked to the upper plate locking portion 53 of the above-mentioned fastening fitting 5 (Fig. 1).
8). At this time, the lower solid 21 and the back side surface 26 of the fourth outer wall plate 2 are brought into close contact with the elastic member 13 of the seal fitting 1.

By repeating the first to sixth steps, the outer wall construction structure 10 in which the outer wall plate 2 is fastened to the base material 3 by using the seal fitting 1 and the fastening fitting 5 is obtained (FIG. 5).

Next, the function and effect of this example will be described. When the outer wall plate 2 is applied to the base material 3, as shown in FIGS. 10 and 11, the horizontal standing portion 12 of the seal fitting 1 is
Together with the support portion 52 of the fastening member 5, it is arranged between the lower solid 21 of the upper outer wall plate 2 and the upper solid 22 of the lower outer wall plate 2.

The elastic material 13 is provided on the upper surfaces of the horizontal standing portion 12 and the inclined portion 121. Therefore, the elastic material 13 is in close contact with the lower solid 21 of the upper outer wall plate 2 as shown in FIG. Further, the elastic material 13 comes into close contact with the side end portion 59 of the fastening fitting 5 as described above. That is, as shown in FIG. 3 and FIG. 9, the elastic material 13 on the upper surface of the horizontal standing portion 12 is the front flat plate portion 5 of the fastening member 5.
7 and the side end 59 of the bearing 52. Further, the elastic member 1 is also provided on the substrate portion 11 above the horizontal standing portion 12.
3 is provided. As shown in FIGS. 8 to 11, the elastic material 13 is in close contact with the back side surface 26 of the outer wall plate 2 on the upper side.

Therefore, as shown in FIGS. 17 and 18,
Even if the rainwater 6 infiltrates into the joint gap portion 27 of the two outer wall plates 2 on the upper and right sides, that is, the gap between the lateral lower nut 24 and the lateral upper nut 23, it does not intrude into the outer wall construction structure 10. . This will be described below mainly with reference to FIGS. 17 to 19.

FIG. 17 is a perspective explanatory view of the outer wall construction structure 10 of this example, but the outer wall plate 2 on the right side of the fastening fitting 5 is omitted for convenience of explanation. 18 is a front explanatory view of the outer wall construction structure 10. The outline of the outer wall plate 2 that can be actually seen from the front is shown by a solid line, and the fastening metal fitting 5 and the seal metal fitting 1 behind the outer metal wall board 2 are two-dot chain line, Portions of the outer wall plate 2 that cannot be seen from the front are shown by broken lines. Further, FIG. 19 is a cross-sectional view of the outer wall construction structure taken along a plane passing through the caulking material 29 (cross section taken along the line CC in FIG. 11), and an explanatory view of the flow of rainwater 6 in that portion. is there.

As shown in FIGS. 17 to 19, the rainwater 6 that has entered the joint gap 27 is prevented from moving laterally (to the right in this example) by the caulking material 29, and the joint gap 27 is formed. And fall downward. Then, the rainwater 6 passes through the front surface of the front flat plate portion 57 of the fastening member 5, further moves to the joining gap portion 27 continuing downward, and falls.
In addition, a part of the rainwater 6 that has moved left and right along the front flat plate portion 57 is, as shown in FIG.
And is moved over the support portion 52 and further to both side end portions 59 thereof.

However, as described above, the elastic member 13 provided on the seal fitting 1 is the front flat plate portion 57 of the fastening fitting 5, the support portion 52, the side end portion 59 of the fixed plate portion 51, and the outer wall plate 2. It is in close contact with the lower part 21 and the back side 26 of the. Therefore, as shown in FIGS. 17 to 19, even if rainwater 6 enters the joint gap portion 27, the fastener 5
It is blocked by the elastic material 13 that is in close contact with both end portions 59 of the. That is, the rainwater 6 that has moved laterally along the front flat plate portion 27 has the two side ends 5 of the front flat plate portion 57.
It is blocked by the elastic material 13 that is in close contact with 9.

Also, for example, as shown in FIG. 17, even if rainwater moves to the upper surface of the support portion 52 or enters between the outer wall plate 5 and the fixed plate portion 51 of the fastening member 5, the above-mentioned support It is blocked by the elastic member 13 that is in close contact with both side portions 59 of the portion 52 or the fixed plate portion 51.

As described above, by using the seal fitting 1, it is possible to reliably prevent the rainwater 6 from entering the inside of the outer wall construction structure 10, and to prevent corrosion of the outer wall plate 2 and the base material 3. Deterioration can be reliably prevented.

Further, as shown in FIG. 17, the vertical standing portion 1 is provided below the base plate portion 11 of the seal fitting 1.
4 is provided, and the side surface of the lateral lower shell 24 of the lower outer wall plate 2 abuts on the vertical standing portion 14. As a result, the lateral displacement of the outer wall plate 2 after construction can be reliably prevented. Further, since the elastic material 13 is a foam of closed cells such as EPDM, it is possible to more reliably prevent the rainwater 6 from entering.

Further, by using the outer wall construction method as described above, the front flat plate portion 57, the support portion 52, and the side end portion 59 of the fixing plate portion 51 of the fastening member 5 and the upper end portion can be easily and surely provided. The elastic material 13 can be closely attached to the back side surface 26 and the lower solid 21 of the outer wall plate 2 for construction.

[0071]

As described above, according to the present invention, in an outer wall construction structure having a four-sided joint structure, a seal fitting capable of reliably preventing rainwater from entering, an outer wall construction structure using the same, and an outer wall construction method. Can be provided.

[Brief description of drawings]

FIG. 1 is a perspective view of a seal fitting according to an embodiment.

FIG. 2A is a front view, FIG. 2B is a plan view, and FIG. 2C is a side view of a seal fitting according to an embodiment.

FIG. 3 is a perspective view of a fastening fitting according to the embodiment.

FIG. 4 is a perspective view showing a state in which a fastening metal fitting is superposed on a seal metal fitting in the embodiment.

FIG. 5 is a front view of the outer wall construction structure according to the embodiment.

FIG. 6 is a perspective view of the lower part of the outer wall plate in the embodiment.

FIG. 7 is a perspective view of an upper base of the outer wall plate in the embodiment.

8 is a vertical cross-sectional explanatory view of the upper and lower joining joints, which corresponds to the cross section taken along the line AA of FIG.

FIG. 9 is a lateral cross-sectional explanatory view of the left and right joining joints, which corresponds to the cross section taken along the line BB of FIG.

FIG. 10 is a perspective explanatory view of an outer wall construction structure according to the embodiment.

FIG. 11 is an enlarged vertical cross-sectional explanatory view of the upper and lower joining joints in the embodiment.

FIG. 12 is an explanatory diagram of a state in which the first step of the outer wall construction method is finished in the embodiment example.

FIG. 13 is an explanatory view showing a state in which the second step of the outer wall construction method is completed in the embodiment example.

FIG. 14 is an explanatory diagram of a third step of the outer wall construction method according to the embodiment.

FIG. 15 is an explanatory diagram of a state in which a fourth step of the outer wall construction method is completed in the embodiment example.

FIG. 16 is an explanatory diagram showing a state where the fifth step of the outer wall construction method has been completed in the embodiment.

FIG. 17 is a perspective explanatory view illustrating a flow of rainwater around the seal fitting and the fastening fitting in the embodiment.

FIG. 18 is a front view for explaining the flow of rainwater around the seal fitting and the fastening fitting in the embodiment.

FIG. 19 is an explanatory diagram illustrating a flow of rainwater in a cross section taken along line CC of FIG. 11.

FIG. 20 is a front view of an outer wall construction structure in a conventional example.

FIG. 21 is a perspective view for explaining the flow of rainwater around the seal fitting and the fastening fitting in the conventional example.

FIG. 22 is a front view for explaining the flow of rainwater around the seal fitting and the fastening fitting in the conventional example.

[Explanation of symbols]

1. ． ． Seal fittings, 10. ． ． Exterior wall construction structure, 11. ． ． Board part, 12. ． ． Horizontal standing part, 121. ． ． Slope, 13. ． ． Elastic material, 14. ． ． Vertical standing part, 2. ． ． Exterior wallboard, 21. ． ． Lower part, 22. ． ． Upper lower part, 23. ． ． Minoru Yokogami, 24. ． ． Yokoshita, 3. ． ． Base material, 5. ． ． Fastening hardware, 51. ． ． Fixed plate part, 52. ． ． Support department, 57. ． ． Front flat plate 59. ． ． Side edge, 6. ． ． Rainwater,

─────────────────────────────────────────────────── ─── Continuation of front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) E04F 13/08 101 E04B 1/68

Claims (6)

(57) [Claims] 1. In four outer wall plates having a four-sided joint structure
Place it behind the metal fittings that are placed at the top, bottom, left, and right joints.
A seal fitting, The sealing metal member includes a substrate portion fixed to a base material, and the substrate portion.
On the left and right sides of the
A pair of horizontal erected parts and bent diagonally downward from the front end
Has a sloped portion,On the lower side of the above-mentioned board part, stand upright in the vertical direction.
There is a vertical standing part At least the upper surfaces of the horizontal standing portion and the inclined portion, and
An elastic material is placed on the substrate above theIn addition, the above-mentioned fasteners are attached to the back of the outer wall boards that are arranged vertically.
The fixed plate portion that comes into contact with the side surface and the entire width of the fixed plate portion
And a supporting part that is erected in front of the supporting part and the front end of the supporting part.
The upper plate locking part bent upwards and the front end of the above-mentioned bearing part.
From the lower plate locking part that is bent obliquely downward from the upper plate locking part
And a front flat plate portion that is continuously provided between the front end portions of the lower plate locking portion and
Consists of When installed, the above metal fittingsLeft and right ofSide edgeIs above
It is in close contact with the elastic material, and the lower end of the metal fitting is vertical.
Abut the upper end of the standing part,Above the left and right 2 sheets placed on the upper side
Lower wall of outer wall plate and back sideButAdheres to the elastic material
Seal metal fittings characterized by being configured as follows. Wherein Oite to claim 1, said elastic material sealing fitting, which is a foam. 3. In an outer wall construction structure in which the outer wall plate is attached to the base material by using the seal fitting and the fastening fitting according to claim 1 or 2 , the fastening fittings are vertically Fixed plate portion that abuts the back side surface of the outer wall plate that is arranged on the base plate, a support portion that is erected forward over the entire width of the fixed plate portion, and an upper plate lock that is bent obliquely upward from the front end portion of the support portion. Part, a lower plate locking part that is bent obliquely downward from the front end part of the bearing part, and a front flat plate part that is continuously provided between the tip parts of the upper plate locking part and the lower plate locking part. The sealing metal fitting and the fastening metal fitting placed in front of the sealing metal fitting are both fixed to the base material by the fastener, and two adjacent outer wall plates arranged below the fastening metal fitting are ， The upper fruit is the lower plate locking part of the above-mentioned fastening metal and the above-mentioned sealing metal The two outer wall plates adjacent to each other, which are locked to the slanted part of the upper part, are mounted on the supporting part of the fastening metal fitting and are locked to the upper plate locking part. Yes, the outer wall plate is made by placing caulking material on the upper bottom and side bottoms, or on the bottom top and side tops, and the elastic material of the seal fitting is the side end of the fastening fitting. The outer wall construction structure is characterized in that it is closely adhered to the back side of the outer wall plate above and the upper part of the lower part. 4. The method of claim 3, below the substrate portion of the seal fitting, is provided with a vertical standing portion that stands in front in the vertical direction, the horizontal bottom of the lower exterior panel Actually, the An outer wall construction structure that is in contact with a vertical standing portion. 5. A method for constructing the outer wall construction structure according to claim 3 or 4 , wherein the outer wall construction method has the following first to sixth steps, and in the first step: , The first outer wall plate is arranged on the base material, and in the second step, the second outer wall plate of the first outer wall plate is actually attached to the base material.
The second outer wall plate is placed on the base material by horizontally joining the lateral walls of the first outer wall plate to each other, and in the third step, the side end portion of the fastening metal member is connected to the sealing metal member. In the state in which the fastening metal fitting is placed in front of the sealing metal fitting in close contact with the elastic material, the base portion of the sealing metal fitting and the fixing plate portion of the fastening metal fitting are placed between the base material and the outer wall plate. In the fourth step, the lower plate locking part of the fastening metal fitting is locked to the upper lower part of the outer wall plate, and the horizontal standing part and the inclined part of the seal metal fitting are placed on the outer wall plate. Abut the subordinates and fix the sealing metal fittings and the fastening metal fittings to the base material with the fasteners. In the fifth step, the third outer wall plate and the lower upper solid are attached to the first outer wall. Overlay the upper part of the plate and lock it to the upper plate locking part of the above-mentioned fastening bracket In the sixth step, the fourth outer wall plate is attached to the lower part of the second outer wall plate and the lateral upper part of the third outer wall plate to the lower part of the second outer wall plate. It is piled up and attached so that the lower nut is locked to the upper plate locking part of the fastening metal fitting, and in the fifth and sixth steps, the third and fourth outer wall plates are attached. A method for constructing an outer wall, characterized in that the lower solid and the back side are brought into close contact with the elastic member of the seal fitting. 6. The vertical erected portion which is erected upright in the vertical direction in the lower part of the base plate portion of the seal fitting in claim 5 , and in the third step, the vertical erected portion is provided. Are inserted into the back-side joining gaps on the back side of the left and right outer wall plates, and in the fourth step, the vertical upright portions are pressed against the horizontal bottom of the first outer wall plate to attach the seal fitting to the base material. An outer wall construction method characterized by being fixed to a wall.