JPH0762382B2 - Exterior wall structure - Google Patents

Description

The present invention relates to a refurbished outer wall structure in which a dry outer wall material is refurbished by mounting a dry outer wall material through a special clip instead of a nail on a furring strip newly provided on an existing outer wall. It is a thing.

[Conventional technology]

To refurbish the outer walls of existing buildings and houses, a structure in which all the outer walls are 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 nails, the existing outer wall It had a structure in which a wooden furring strip and a furring strip made of a C-shaped channel were fixed to the top with nails and anchor bolts, and a dry outer wall material was fixed to these 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.
Further, in the structure of (3), the dry outer wall material is fixed by tapping screws at the portion in contact with the furring strip. As a result, the work efficiency is low, and there is a disadvantage that it is necessary to form a large fool hole especially when the expansion due to heat is large like aluminum.

[Means for solving problems]

In order to eliminate such drawbacks, the present invention makes the furring strip substantially U-shaped in cross section, and forms a locking groove portion at a predetermined pitch according to the width of the dry outer wall material on the contact surface that contacts the dry outer wall material. , Which is elastically engaged with this, and has a structure in which the fixed part of the dry type outer wall material is clamped and fixed by a clip made of an elastic material without separating, and the construction period is greatly shortened to reduce the cost. In addition, the present invention proposes a refurbished outer wall structure that can be installed vertically and horizontally so that the decorative surface does not change even if it is largely deformed by heat, like a metal siding material made of aluminum.

〔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. 1 and 2 are a partially cutaway perspective view and a longitudinal sectional view showing a refurbished outer wall structure according to the present invention, in which 1 is an existing outer wall, a concrete wall, or a mortar wall, a tile wall, an ALC wall (not shown). , Block walls, walls made of external ceramic equipment, curtain wall walls, etc.
It consists of seeds. 2 is a furring strip vertically on the existing outer wall 1,
Alternatively, it is fixed laterally at a predetermined pitch P to the existing outer wall 1 via a fixture 18 such as a nail or an anchor bolt, and has a C-shaped cross section to be a portion for fixing the dry outer wall material 12. Is. To further explain, the furring strip 2 is the third
As shown in FIG. 2A, a back surface 3, a side surface 4 formed at one end of the back surface 3 substantially perpendicular to the back surface 3, and a contact surface 5 provided at the tip of the side surface 4 so as to be substantially parallel to the back surface 3. Is formed into a substantially U-shaped cross section, and the contact surface 5 has a dry outer wall material described later.
The engaging groove portions 6 are provided at a pitch P ₁ corresponding to the width of 12. That is, the back surface 3 is a portion that is in direct contact with the existing outer wall 1 and is fixed by a fixture 18 such as a nail or an anchor bolt. The contact surface 5 is a surface for contacting the dry outer wall material 12 and fixing the dry outer wall material 12 by combining with the clip 7 described later. Also, the locking groove portion 6 is a clip 7
Insert the upper surface 9 and the slide, the rear part 8 of the clip 7
And the sandwiching piece 10 between the contact surface 5 and the fixed portion 14 of the dry outer wall member 12
It is a part that clamps and fixes. The locking groove portion 6 may be formed in a slit shape or as shown in FIGS. 4 (a) to 4 (c). In particular, (a) is a clip
Even after sliding and inserting 7 , after fixing the dry type outer wall material 12,
It is the locking groove portion 6 in which the clip 7 reversely slides so as not to come off. Reference numeral 7 is a clip for supporting the dry outer wall member 12 having a male-female type connecting structure on the furring strip 2 in place of a nail or the like. To explain further, the clip 7 has a shape as shown in FIG. 3 (b), and since it requires the same supporting force as nails and screw screws, spring steel, stainless steel, and surface-treated steel plate (0.5 to 1 mm thick) , Structural steel plate, other well-known steel plate, aluminum, etc., and is formed by one or more processes such as roll forming, press working, extrusion, welding, rivets, and screwing to integrate. That is, the clip 7 includes at least the rear surface portion 8, the upper surface 9, and the holding piece.
From 10 and 10, a holding groove 11 having a substantially U-shaped cross section is formed. This clip 7 has a rear surface 8 with a contact surface 5 of the furring strip 2.
The upper surface 9 is slid and inserted into the locking groove portion 6 so that the sandwiching piece 10 is located outside the contact surface 5 inside, and the fixing portion 14 of the dry outer wall member 12 is sandwiched by the sandwiching groove 11, that is, , The holding portion 14 of the dry type outer wall material 12 by the sandwiching piece 10 and the back surface portion 8
The contact surfaces 5 of the furring strip 2 by sandwiching a, it is to fix a dry exterior wall member 12 by Supungubakku. Further, the dry type outer wall material 12 is shown in FIGS. 5 (a) to (h), and FIG. 6 (a) to
As shown in (g), it is made of one type of metal siding material and ceramic siding material, and fixing parts 1 are provided on both side edges.
4. A female connecting portion 13 having an engaging groove 15 and a male connecting portion 16 having an engaging edge 17 are provided.

Here, the dimensional relationship between the furring strip 2 and the clip 7 will be briefly described. Now, as shown in FIGS. 3 (a) and 3 (b), the furring strip 2
The width of the back surface 3 of the contact surface is W ₁ , the width of the contact surface 5 is W ₂ , the width of the locking groove portion 6 is W ₃ , the opening of the locking groove portion 6 is l ₁ , the width of the upper surface 9 of the clip 7 is W ₄ , Assuming that the length of the part 8 is l ₂ , the length of the sandwiching piece 10 is l ₃ , and the length of the upper surface 9 is l ₄ , W ₁ ≧ W ₂ , W ₃ ≧ W ₄ , and l ₁ are clips.
The thickness l ₃ is larger than the thickness of the upper surface 9 of 7 and is equal to or smaller than the length of the fixed portion 14 of the dry outer wall member 12. Further, l ₄ is the degree to which the spring back works for the holding piece 10 to press the fixed portion 14 of the dry type outer wall material 12, and l ₂ and l ₃ are l ₂ <l ₃ , l ₂
Any relation of> l ₃ , l ₂ = l ₃ may be satisfied.

Next, a construction example will be described.

Now, the furring strip 2 and the clip 7 shown in FIGS. 3 (a) and 3 (b).
It is assumed that a dry type outer wall material 12 as shown in FIG. 5 (a) is to be installed on the existing outer wall 1 of the existing building using. Therefore, the scaffold is assembled around the existing outer wall 1, and then the furring strip 2 as shown in FIG. 3 (a) is fixed (anchor bolt).
It is fixed to the existing outer wall 1 through 18 at a predetermined pitch P = 450 mm. Next, although not shown, the first-stage dry outer wall member 12 is engaged with a start member fixed to the base side. Next, FIG. 3 (b)
In the holding groove 11 of the clip 7 shown in FIG.
And slide it sideways to insert the upper surface 9 into the locking groove portion 6 of the furring strip 2 . Furry edge 2 at this time,
As shown in FIG. 2, the clip 7 and the dry outer wall material 12 are held in the engaging groove 15 of the lower dry outer wall material 12 by the holding piece 10 of the clip 7.
With the inserted state, the contact surface 5 between the fixing portion 14 and the furring strip 2 is held and fixed by the holding groove 11 of the clip 7 . Also,
The furring strip 2 functions as a raising material for forming a ventilation space 19 between the existing outer wall 1 and the dry outer wall material 12, and has a structure for preventing dew condensation.

What has been described above is only one embodiment of the repaired outer wall structure according to the present invention, and the furring strip 2 and the clip 7 are shown in FIGS.
It is also possible to have a shape as shown in (h) and FIGS. That is, FIGS. 7A to 7H show the furring strip 2
FIGS. 9 (a) and 9 (b) show a furring strip 2 whose side surface 4 is inclined, and FIGS. 10 (c) to 10 (e) show projections 5a formed on the front surface or the back surface of the contact surface 5 and the clip 7 After inserting the lock groove 6 into the locking groove 6
2 , (f) Figure shows a cushioning material 20 attached to the back surface 3 to eliminate some irregularities on the existing outer wall 1 and to improve familiarity.
2 , (g) is a furring strip 2 in which a rear surface 3 is extended outward from the side face 4 and a fixing flange 3a is provided, and (h) is a furring strip 2 which can be fixed at two positions. Also, FIG. 8 (a)-
(I) is a modification of the clip 7 , and FIG.
The clip 7 is a curved surface, (b) the clip 7 figures that form one or more protrusions 8a on the rear portion 8, (c) drawing the holding piece 10
Clip 7 forming the recess 10a 1 or more in, (d) drawing the clip 7 formed a projection 9a on the upper surface 9, (e) drawing bends the tip of the holding piece 10 U-shape, or in a U-shape Then mating groove
A clip 7 provided with 10b so that the engaging edge 17 of the dry outer wall member 12 can be fitted therein. (F) In FIG. 6 (f), the tip of the rear face portion 8 is L-shaped so that a more springback effect can be obtained. Clip 7 , Fig. 7 (g) is a clip 7 in which the width W _{4 of the} upper surface 9 is narrower than the width of the rear portion 8 and the sandwiching piece 10, Fig. 7 (h) is l ₂ >
clip 7 and l _3, is a clip 7 which is (i) and figure wavy inner surface of the rear portion 8. Of course, FIG. 7 (a)-
(H) and FIG. 8 (a) to (i) may be combined to form the furring strip 2 and the clip 7 , respectively.

〔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 structure is fixed to the furring strip by the elasticity of the clip, the dry outer wall material is prevented from swelling due to the deformation after the construction, and the dry outer wall material can be prevented from coming off. The furring acts as a raising material and can form a ventilation space between the existing outer wall and the new outer wall,
Insulation and condensation prevention can be achieved. In order to lock the clip of the structure that is sandwiched between the straight edges
It can be installed regardless of vertical or horizontal tension. There are features such as.

[Brief description of drawings]

1 and 2 are partially cutaway perspective views and longitudinal sectional views showing an example of a repaired outer wall structure according to the present invention, FIG. 3 (a),
(B) is a perspective view showing a furring strip and a clip which are constituent members of the present invention, FIGS. 4 (a) to 4 (c) are explanatory views for explaining other shapes of the engaging groove portion, and FIG. 5 (a). ~ (H), and Fig. 6 (a) ~ (g) is an explanatory view showing an example of a dry type outer wall material,
7 (a) to 7 (h) are explanatory views showing a modified example of the furring strip, and FIGS. 8 (a) to 8 (i) are explanatory views showing a modified example of the clip. 1 …… Existing outer wall, 2 …… Furniture, 6 …… Locking groove, 7 ……
clip.

Claims (1)

[Claims] 1. A furring strip is fixed on an existing outer wall at a constant interval, and a fixed portion of a dry outer wall member having a male and female type connecting structure is held on the furring strip by a holding groove of an elastic clip. A new outer wall is formed, and the furring strip has a substantially U-shaped cross section, and the furring strip includes a locking groove portion provided at a predetermined pitch on a contact surface of the furring strip that comes into contact with the dry outer wall material, The clip is formed so as to have a holding groove having a substantially U-shaped cross section from at least the back surface portion, the upper surface, and the holding piece, and by inserting the clip into the locking groove portion of the furring strip, the clip is fixed to the fixing portion of the dry outer wall material. A refurbished outer wall structure in which the contact surface of the furring strip is clamped and fixed.