JPH0715210B2 - Exterior wall structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention fixes a special furring strip vertically or horizontally on an existing outer wall, and a dry outer wall material having a male / female connection structure is attached to this furring strip. Instead, the present invention relates to an outer wall structure that is used for both horizontal and vertical tension and is elastically held by the furring strip, and the outer wall is repaired through a slidable special clip.

[Conventional technology]

To repair the outer wall of an existing building or existing house, the outer wall is completely removed and a new wall is formed, the existing outer wall is used as a base, and the dry outer wall material is directly fixed to this with a nail. It had a structure in which a wooden furring strip and a furring strip made of a C-shaped channel were fixed on the top with nails and anchor bolts, and a dry outer wall material was fixed with nails and screws.

[Problems to be solved by the invention]

However, with this structure, the cost is huge, the renovation period is long, and the residence must be stopped. There were drawbacks such as. Further, the structure of (3) is not only difficult to apply to concrete or the like and is inferior in workability, but also has disadvantages such as waterproofness, dew condensation, corrosion of a fixture due to impermeability, and lack of heat insulation.
In addition, since the C structure normally uses a C-type channel, the cost is high and there are many construction sites. In addition, the dry outer wall material was fixed by tapping screws at the portion in contact with the furring strip. As a result, the work efficiency is poor, and there is a disadvantage that it is necessary to form a large fool hole especially when the expansion is large due to heat like aluminum.

[Means for solving problems]

In order to eliminate such drawbacks, the present invention forms the furring strip from a reverse gutter-shaped engaging portion and an L-shaped mounting leg portion, and elastically engages the sliding edge portion and slides the dry outer wall. The fixed part of the material is supported by a clip made of elastic material without detaching, and the support structure by placing nails etc. is made into a support structure with a clip that is easy to install, greatly shortening the construction period and reducing the cost It can be attached to the existing outer wall as half of the previous one, and it can be installed without skill, and even if it is greatly deformed by heat like a metal siding material made of aluminum material, the decorative surface does not change We propose a refurbished outer wall structure that can be installed vertically and horizontally.

〔Example〕

An embodiment of a repaired outer wall structure according to the present invention will be described in detail below with reference to the drawings. FIG. 1 (a) is a perspective view showing a case where a repair wall according to the present invention is applied to a concrete wall, and 1 is an existing outer wall, which is a concrete wall, or a mortar wall, a tile wall, an ALC wall, a block wall, which are not shown,
It is made of one type of wall such as ceramic outer wall material and curtain oar wall. Reference numeral 2 denotes a furring strip that can be securely fixed to the existing outer wall 1 vertically or laterally at a predetermined pitch P on the existing outer wall 1 via fasteners 23 such as nails and anchor bolts, and can be reversed at the top for clip engagement described later. The engaging portion 6 having a gutter-shaped cross section and the mounting leg portion 7 having an L-shaped cross section are linearly formed. Reference numeral 10 is a clip for supporting the dry type outer wall material 15 of the male and female type connection structure on the furring strip 2 instead of nails, 21 is a new outer wall, 22
Is a space formed between the existing outer wall 1 and the new outer wall 21 in the ventilation layer, which effectively acts on the air cycle, and 23 is a fixture composed of nails, anchor bolts and the like. More specifically, the furring strip 2 includes a guide 3 for slidably engaging a clip 10 , a stopper 4, and a mounting surface 5 for abutting the back surface of the dry outer wall member 15, as shown in FIGS. 2 (a) and 2 (b). And an engaging portion 6 consisting of. Also, the mounting leg 7
Is formed in a L-shaped cross section from a vertical rising portion 8, a horizontal flange portion 9 and a mounting hole 10 if necessary.
Helps to fixedly the furring strip 2, the thickness of the furring strip 2 is 0.5mm
In the above, the mounting holes 10 are formed at an appropriate pitch. Further, the furring strip 2 is formed by roll molding, injection molding, extrusion or the like, and the material thereof is a metal plate (steel plate of Fe, Al, stainless steel, galfan, galvalume) or synthetic resin, and has a plate thickness of 0.3. It is about 5 mm. In addition, furring edge 2
As a specific example, the length L is about 600 to 7000 mm and the width W ₁ = 10 to 8
0 mm, W ₂ = 1-10 mm, W ₃ = 1-10 mm, W ₄ > W ₃ approx. 1
5 to 50 mm, H ₁ = 5 to 20 mm, H ₂ = 5 to 30 mm, preferably H ₁ ≦ H ₂ , H ₃ = _{3 to} 20 mm, H ₄ > H ₁ , H ₄ > H ₂ and H ₄ = 10 ~
About 50 mm, θ ₁ and θ ₂ are set to zero or an acute angle so that they are hard to separate and easy to engage. Also, the clip 11 is Fig. 1 (b), in the shape corresponding to the clip 11 itself, as shown in FIG. 1 (c) the engaging portion 6 of the furring strip 2 and without withdrawal, furring strip 2 under elastic It is formed of a locking portion 13 having a locking claw 12 that holds the pin and a fixed portion 15a of the dry outer wall material 15, for example, an insertion claw 14 that is inserted into and supported by an insertion groove. To explain further, the clip 11 is, for example, as shown in FIG.
Since it has a shape as shown in (b) and requires the same supporting force as nails and screw screws, spring steel, stainless steel, surface-treated steel plates (about 0.5 to 1 mm), structural steel plates, other well-known steel plates, It is made of one kind of aluminum or the like, and is formed by one or more steps such as roll forming, press working, extrusion, welding of two members, rivet, and integration with screws. Width W ₅ ≤ W ₆ , W ₆ ≥
W ₁ , W ₇ <W ₁ , W ₈ W ₉ or W ₈ = W ₉ , W ₂ = W ₈ , W ₃ > W ₉ , H ₅
= H ₆ , H ₅ ≤ H ₆ , or H ₁ ≤ H ₅ , H ₂ ≤ H ₆ , l ₁ = l ₂
When l ₂ > l ₁ , l ₁ is determined by the clamping force and the plate thickness, and l ₂ is determined by the length of the fixing portion 15a of the dry outer wall member 15 and the clamping force. Note that Δh is determined by the shape and thickness of the fixed portion 15a. The dry type outer wall material 15 is shown in FIG. 4 (a).
(H), and as shown in FIGS. 5 (a) to (g), the metal siding material 16 and the ceramic siding material 17 are made of one kind. In particular, the metal siding material 16 includes a back material 18, a core material 19 made of plastic foam, and a back material 20.
And are integrally formed.

Next, the construction method will be described.

First, it is assumed that a refurbished outer wall structure as shown in FIGS.
It is assumed that the metal siding material 16 as shown in FIG. Therefore, the scaffold is assembled around the existing outer wall 1, and then the furring strip 2 as shown in FIG. 2 (a) is fixed to the existing outer wall 1 via the fixture (anchor bolt) 23 at a predetermined pitch P =.
Fix at 450mm. Next, the first stage metal siding material 1
Fix the start material (not shown) to the base side, and
The female connecting portion of the metal siding material 16 of the step is engaged with the start material. The fixing portion 15a of the metal siding material 16 is the engaging portion 13 of the clip 11 (made of stainless steel having a plate thickness of 0.5 mm) shown in FIG. 3 (a) and the engaging portion 6 of the furring strip 2 as shown in FIG. While pushing in the direction of the arrow with a force exceeding the elastic force to fit it, slide it up and down to insert the insertion claw 14 into the engagement groove 15b of the metal siding material 16 as shown in FIG. 1 (b). Then, the fixing portion 15a of the metal siding material 16 is fixed to the furring strip 2 under elasticity. Therefore, in order to form the new outer wall 21, such a process may be sequentially repeated from the base toward the eaves. In addition, a well-known accessory (not shown) should be applied to the base, protrusions, corners, and windows, or the metal siding material 16 that can be applied after the operation should be applied last and the caulking material is filled in the necessary places. It is a thing. In order to form the vertically extending outer wall, the starting material is not necessary and the furring strips 2 are provided in parallel horizontally at a constant pitch.

[Other Examples]

As described above, only one embodiment of the repaired outer wall structure according to the present invention has been described, and the furring strip 2 can be formed as shown in FIGS. 7 (a) to (o). That is, FIG. 7 (a)-
(O) is a modification of the engaging portion 6. Further, the clip 11 can be formed as shown in FIGS. 8 (a) to 8 (h). Of course, the engaging portion 13 corresponds to the shape of the engaging portion 6 of the furring strip 2 , and here, the engaging portion 13 in the shape of a corner or a round gutter is described as an example. That is, (a) is an insertion claw
Clip 11 when the tip of 14 is bent inward to form bent piece 14a, and the gripping force is further strengthened, (b) shows tongue piece 13a which is a pressing surface when sliding clip 11
The provided clip 11, (c) drawing a clip 11 which is a locking portion 13 of the insertion nail 14 flush, (d) drawing the tongue 14a of the reinforcement of the tip guide and the end portion of the insertion nail 14 opposite clip 11 formed by bending in the direction, (e) the clip 11 figures in which the insertion nail 14 and narrower than the locking portion 13, (f) ~ (h ) are furring strip 2 engaging portion 6
This is the case when the shape is made to match with.

〔The invention's effect〕

As described above, according to the repaired outer wall structure according to the present invention,
Since the dry type outer wall material is fixed through the elastic clip that slides easily without using nails, the construction time can be greatly shortened and the cost can be reduced. Since the clip is elastically locked to the furring strip, it merely pushes and engages, and does not disengage. Since the furring strip has a straight rod shape and a clip that is sandwiched between the furring strips is locked, it can be installed regardless of vertical or horizontal tension. A ventilation layer can be formed between the existing outer wall and the new outer wall, and heat insulation and dew condensation prevention can be achieved. The furring strip is fixed to the existing outer wall with one mounting leg, and the cross section is almost L-shaped as a whole, so that the molding is easy, the cost is reduced, and the construction efficiency is increased. There are features such as.

[Brief description of drawings]

1 (a) to 1 (c) are partially cutaway perspective views and explanatory views showing an example of a repaired outer wall structure according to the present invention, FIG. 2 (a),
(B) is a partially cutaway perspective view showing an example of the furring strip, FIG. 3 (a), (b) is a perspective view showing an example of a clip, FIGS. 4 (a) to (h), and 5th. (A)-(g) is explanatory drawing which shows an example of a dry-type outer wall material, FIG. 6 is explanatory drawing which shows the order at the time of engaging a clip with a furring strip, and FIG.7 (a)-(o) is Explanatory drawing showing another embodiment of the furring strip, FIG.
(H) is explanatory drawing which shows the other Example of a clip. 1 …… Existing outer wall, 2 …… Furniture, 11 …… Clip, 15 ……
Dry outer wall material.

Claims (1)

[Claims] 1. In a refurbished outer wall structure in which a vertical or horizontal furring strip is fixed on an existing outer wall, and a dry outer wall material having a male / female connection structure is mounted on the furring strip, the furring strip is engaged in a reverse gutter shape. Section and an L-shaped mounting leg section, and a slide formed of a locking section with a locking claw for sandwiching the engaging section under elastic force and an insertion claw for supporting the fixing section of the dry outer wall material. A clip having a possible structure, wherein the fixing portion of the dry outer wall material that is in contact with the mounting surface of the engaging portion top surface of the furring strip is supported by the inserting claw of the clip, and the locking portion is the engagement of the furring strip. A refurbished outer wall structure, characterized in that the outer wall material is supported by engaging a joint portion.