JP2003074167A - Clamping jig and clamping structure for outer wall material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a construction method which does not cause unevenness or leakage in outer wall materials of a four-way rabbeting structure. SOLUTION: There is provided a clamping jig 20 for the outer wall materials 1, which is mounted on a rabbet joint of the outer wall materials 1, and consists of a rear face plate 21, an engaging piece 22, a fixed face plate 23, and a lateral interval retaining plate 26. The rear face plate 21 is fixed to a skeleton of a building. The engaging piece 22 engages with an upper surface of one of the rabbeted outer wall materials and a groove of the other rabbeted outer wall material, to thereby hold both the outer wall materials. The fixed face plate 23 is extended from the rear face plate 21, so as not to be flush with the fixed face plate 23 but so as to be stepwise formed with respect to the same. The lateral interval retaining plate 26 is engaged with the fixed face plate 23 and binds lateral movement of the outer wall materials 1, 1 arranged side by side.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for fastening a four-sided fitting outer wall material to a skeleton, and more particularly to a fitting structure for an intersection of vertical and horizontal fitting joints and a fitting jig therefor.

[0002]

2. Description of the Related Art A rectangular panel-shaped outer wall material is used as an exterior material constituting an outer wall of a building and is mounted on the outer wall side by side in a vertical and horizontal direction. Joints (joints) between such outer wall materials
Is usually filled with a silicone sealant for waterproofing and makeup. However, in the wet joint structure that seals the gap with the sealing material and connects the outer wall materials to each other,
Since the sealing material deteriorates, it is insufficient in terms of weather resistance, stain resistance and durability, and there are problems such as a design problem due to color balance with the outer wall material and a deterioration in appearance due to discoloration or the like. Therefore, in order to eliminate the problem of deterioration of the sealing material by connecting the outer wall materials to each other without filling the wet sealing material, and to improve the workability at the site, 4
Outer wall materials that have undergone a joint process on the sides have been put to practical use.

9A and 9B are explanatory views of the shape of a four-sided mating outer wall material. FIG. 9A is a perspective view, FIG. 9B is a transverse sectional view, and FIG. 9C is a longitudinal sectional view. The outer wall material 1 has a front side cut-out 2 (hereinafter referred to as a front side pass) formed on its upper side and a lower side corresponding to a back side 3 cut-off (a back side pass). ) Is formed, and a front match 4 is formed on the right side,
Corresponding to this, a back match 5 is formed on the left side. An inclined surface 6 is formed on a projecting portion which is an upper end portion of the upper face of the face-to-face decision 2, and a groove 7 having an inclined surface 7a corresponding to the inclined surface 6 is formed.
Are formed at the corners of the backside pass 3 on the lower side.

The outer wall material 1 is made of, for example, GRC (glass fiber reinforced cement), and the outer wall material 1 has a vertical and horizontal size of 4, for example.
An example is 55 × 1820 mm and a thickness of 18 mm.

In such a four-sided fitting outer wall material mounting structure, the dimensions of the outer wall material are not consistent with the pitch between the pillars, and the outer wall materials adjacent to each other on the left and right are other than the pillar. Even if it is joined at the location of the outer wall material, the outer wall materials do not become uneven and a sufficient holding strength can be secured, and even if horizontal displacement is applied to the body (earthquake etc.) The applicant of the present invention has made an invention of a fastening part and a fastening structure for an outer wall material that does not cause a joint shift and a joint opening (Japanese Patent Application No. 2000-337989).

In the present invention, the outer wall members 1, 1, ... Are shown in FIG.
It is fixed as shown in FIG. That is, the fastening component 10 includes a back plate 11 fixed to the pillar 16 by a nail.
And a sheet metal integrated with this is bent to form (or,
And an engaging portion 12 having a substantially Y-shaped cross section. Locking piece 12a of the Y-shaped locking portion 12,
Both pieces of 12b are pressed and locked from above the inclined surface against the inclined surface 6 of the pass 2 of the lower outer wall material 1 and the inclined surface 7a of the groove 7 of the pass 3 of the upper outer wall material 1 (see FIG. 9). To do. As a result, the upper and lower outer wall members 1, 1 are connected to each other and fixed to the body side. The left and right movements of the outer wall members 1 and 1 are restricted by the left and right separating plates 13.

FIG. 10 shows a joining state when the outer wall members of FIG. 9 are arranged side by side. As shown in the drawing, the left and right outer wall materials 1 and 1 are the left and right consensus 4, 5 (see FIG. 9).
Are joined and connected. Vertical joints 18 are formed on the front surface side of the outer wall material 1 along the abutting surfaces on the front surface side of the matches 4 and 5 of the left and right outer wall materials 1. Further, on the back surface side of the outer wall material 1, a gap 8 is formed in the vertical direction along the joining line of the matches 4 and 5. This is because it is necessary to provide a slight gap between the abutting surfaces of the back surfaces in order to improve the appearance by abutting the front surfaces of the outer wall material 1 without any clearance.

FIG. 11 shows a joined state when the outer wall members of FIG. 9 are vertically arranged. As shown in the figure, the upper and lower outer wall materials 1 and 1 are the upper and lower consensus 2, 3 (see FIG. 9)
Are joined and connected. Lateral joints 17 are formed on the front surface side of the outer wall material 1 along the abutting surfaces of the upper and lower outer wall materials 1 which are determined by the matches 2 and 3. Further, on the back surface side of the outer wall material 1, as in the case of FIG. 10 described above, a lateral gap 9 is formed along the joining line of the decisions 2 and 3.

In this way, the outer wall material 1 is joined in the left-right direction and the up-down direction through the consensus, and arranged side by side, so that all four sides of the outer wall material 1 are connected by the consensus joint, and the joint is sealed to the joint portion after the construction. Good waterproofness is maintained without filling the material, and an exterior structure excellent in designability and workability can be obtained.

[0010]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention
0-337989) is an example applied to a construction method in which a ventilation layer with a predetermined interval is provided between the outer wall material and the pillar (frame) by a fastening component. On the other hand, in the case of the construction method in which the ventilation layer is not provided by the fastening parts and the like, but the ventilation layer is provided by the base material (furring), the outer wall material according to the invention is fastened. Attachment parts cannot be used.

In this construction method for providing the ventilation layer with the base material (furnace), the fastening fitting 14 shown in FIG. 6 is used.
However, as mentioned above, it is not possible to join the outer wall materials that are adjacent to each other on the left and right sides at locations other than the pillars, and the outer wall materials may become uneven or the holding strength is insufficient. Or, the joint may be displaced or the joint may be opened.

[0012]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and when mounting a plurality of outer wall members having a decision at each end of four sides in the vertical and horizontal directions, An outer wall material fastening jig that is attached to the adjoining joints of each adjoining adjacency, and a back plate that is fixed to the skeleton side; An engaging piece that holds both outer wall materials that are in contact with each other vertically by engaging with the other groove or protrusion of the contacting outer wall material, and extending from the back plate and flush with the back plate. Without a fixed face plate formed with a step with respect to the back plate,
An outer wall material fastening jig, comprising: a left-right spacing plate that is locked to the fixed face plate and that restrains the lateral movement of the left and right outer wall materials; and Provided is a fastening structure for an outer wall material, wherein a fastening jig for the outer wall material is provided at a junction intersection of the vertical sides and the horizontal sides of four four-sided fitting outer wall materials.

According to this structure, the outer wall material is not dimensioned to match the pitch between the pillars, and the outer wall materials that are adjacent to each other on the left and right are joined at a position other than the base material or the pillar. Even in this case, the outer wall materials do not become uneven, and sufficient holding strength can be obtained. Further, the fastening jig has a left-right spacing plate, which restrains the lateral movement of the outer wall material. Therefore, no joint displacement or joint opening occurs. Further, since the left and right spacing plates are fixed to the fixed surface plate which is not flush with the back plate of the fastening jig, the heads such as screws and nails used for fixing do not interfere with the back surface of the outer wall material.

In the present invention, the length of the fixed face plate is preferably 35 to 95% of the length of the back plate.
With such a configuration, for example, the back plate can be hung between the adjacent base materials and fixed, and the fixed face plate does not interfere with the base material (furniture).

[0015]

1 is a perspective view of a fastening jig 20 for an outer wall material according to an embodiment of the present invention, FIG. 2 shows a fastening jig body 20a, and FIG. Separation plate 26
Are shown respectively. The fastening jig body 20a is a long member, unlike the conventional fastener 14 (see FIG. 6).

That is, the fastening jig main body 20a includes a rear plate 21 fixed to the body side, an inclined surface 6 (see FIG. 9 (C)) on the upper surface of one pass, and a groove of the other pass. Slope 7
a (see FIG. 9 (C)) and the locking portion 22 having locking pieces 22a and 22b for holding both outer wall materials and extending from the back plate 21, and the back plate 21 and the surface. The fixed face plate 23 is not a single unit and is formed substantially parallel to the back plate 21 with a step.

The back plate 21 of the fastening jig body 20a is
It is preferable that the length L1 is equal to or greater than the distance between the adjacent base materials 27, 27. In this way, the adjacent base materials 27, 27
By arranging the outer wall members 1 and 2, the size of the outer wall member 1 does not match the pitch between the base members 27, and it is possible to cope with the case where the adjacent outer wall members 1 and 1 are bonded between the base members 27 and 27. With this configuration, the outer wall materials do not become uneven, and sufficient holding strength can be obtained.

Fixed face plate 23 of the fastening jig body 20a
It is preferable that the length L2 is 35 to 95% of the length L1 of the back plate 21. With such a configuration, for example, the back plate 21 can be laid over and fixed between the adjacent base materials 27, 27, and the fixed face plate 23 does not interfere with the base material 27 (see FIG. 5).

For example, the pitch between adjacent base materials is 5
When it is 00 mm, the length L1 of the back plate 21 is 650 m
m, and the length L2 of the fixed face plate 23 is 350 mm. In this case, L2 is 54% of L1. With such a configuration, the back plate 21 can be fixed by extending it between the adjacent base materials 27, 27, and the fixed surface plate 23 does not interfere with the base material 27. , Fixed face plate 2
3, a fixed piece 26a, a separation piece 26b that is formed at a substantially right angle to the fixed piece 26a and that restrains the left and right outer wall members 1, 1 from moving in the left-right direction, and the fixed piece 2.
Hole 26c provided in 6a for inserting a nail-shaped member, a screw or the like
It is composed of Then, the left-right spacing plate 26 is locked by the tapping screw 25 at an arbitrary position in the length L2 direction of the fixed face plate 23 (see FIG. 1), and the fastening jig 20 is configured.

Fastening jig body 20 used in the present invention
Various metal materials can be used as the material of a. Of these, an extruded material of aluminum is preferable because it can cope with a complicated cross-sectional shape and that the left and right separating plates 26 can be easily fastened to the fixed face plate 23 with screws or the like. Although various metal materials can be used as the material of the left and right separating plates 26, stainless steel is preferable from the viewpoint of rust resistance and strength.

In the fastening jig body 20a shown in FIG. 2, the shallow groove 21a provided in the back plate 21 is a line which serves as a guide for driving nails, and the shallow groove 21a provided in the fixed face plate 23. The groove 23a is a line that serves as a guide for driving a screw or the like.

Hereinafter, the fastening structure of the outer wall material provided with the fastening jig 20 at the junction intersection of the vertical sides and the horizontal sides of the four four-sided fitting outer wall materials will be described. 4 and 5 are a longitudinal sectional view and a lateral sectional view, respectively, of a building outer wall portion for explaining a fastening jig and a fastening structure for an outer wall material according to an embodiment of the present invention.

4 and 5, outer wall members 1, 1, ... Are horizontally long and are arranged on the outer wall of the building. In FIG. 4, the inclined surface of the upper groove of the outer wall material 1 and the inclined surface of the upper wall of the lower outer wall material 1 are the locking pieces 2 of the locking portion 22 having a substantially Y-shaped cross section.
It is locked to 2a and 22b. Note that the upper outer wall material 1 is not necessarily formed in a groove shape, and may be configured by only an inclined surface having the same shape as the lower outer wall material 1 is formed.

In FIG. 5, the right end of the left outer wall material 1 and the left end of the right outer wall material 1 are the base materials 27, 27 (column 1).
6 and 16) are joined in the middle part. Outer wall material 1, 1
Is the base material 27, 2 through the fastening jig 20 of the present invention.
7 (posts 16, 16).

In FIGS. 4 and 5, first, the base materials 27 and 2 are used.
The back plate 21 of the fastening jig body 20a straddles 7
It is fixed by 8, and then the left outer wall material 1 is arranged. Next, the left and right separating plate 26 is separated by a separating piece 26b (see FIG. 3).
Is arranged so as to contact the right end of the left outer wall member 1, and the fixing piece 26a (see FIG. 3) of the left / right spacing plate 26 is fixed to the fixed face plate 23.
Is fixed by a tapping screw 25 fitted in the hole 26c.

Thereafter, the outer wall material 1 on the right side is arranged so that the left end thereof contacts the separating piece 26b of the left and right separating plate 26, and the outer wall construction of this portion is completed. With such a configuration, the left-right spacing plate 2
Since 6 restrains the lateral movement of the outer wall material, even when a horizontal displacement is applied to the body (earthquake or the like), the outer wall material does not have a joint shift or a joint opening.

If the fastening jig 20 of the present invention is used,
Since the fixed face plate 23 is not flush with the rear face plate 21 and is formed with a step with respect to the rear face plate 21, the left-right spacing plate 26
The head of the tapping screw 25 for fixing the to the fixed face plate 23 does not interfere with the back surface of the outer wall material 1. The level difference between the fixed face plate 23 and the back plate 21 is equal to or larger than the thickness of the head of the tapping screw 25, and the moisture-permeable waterproof sheet 15 is fixed with screws, nails or the like (the tapping screw 25) used to fix the left and right separating plates. There is no particular limitation as long as there is no danger of making a hole in it (see FIG. 4).

The above-mentioned configurations are examples, and the present invention is not limited to these configurations, and various configurations can be adopted. In addition, the left and right spacing plate 2
Various methods can be adopted as the configuration of 6, the method of locking the left and right spacing plates 26 to the fixed face plate 23, and the like. For example, the tapping screw 25, which is a method of locking the left and right separating plates 26 to the fixed face plate 23 illustrated in FIGS. 1 and 4, is a preferable locking means with a small number of man-hours. Various methods such as a combination of a screw and a screw can be adopted.

[0029]

According to the present invention, the size of the outer wall material is not matched with the pitch between the base materials, and the outer wall materials adjacent to each other on the left and right are joined at a position other than the base material. However, sufficient retention strength can be obtained without causing the outer wall materials to become uneven. Further, the fastening jig has a left-right spacing plate, which restrains the lateral movement of the outer wall material. Therefore, no joint displacement or joint opening occurs.

Further, since the left and right separating plates are fixed to the fixed surface plate which is not flush with the back plate of the fastening jig, even in the case of the construction method in which the ventilation layer is provided by the base material (furnace), The head of the tapping screw that fixes the spacing plate to the fixed face plate does not interfere with the back surface of the outer wall material. Also, if the level difference between the back plate and the fixed face plate is properly set, there is no danger of making holes in the moisture-permeable waterproof sheet with screws, nails, etc. used to fix the left-right spacing plate, and the waterproofness is not impaired. .

[Brief description of drawings]

FIG. 1 is a perspective view of an outer wall material fastening jig according to an embodiment of the present invention.

FIG. 2 is a perspective view of an outer wall material fastening jig body according to the embodiment of the present invention.

FIG. 3 is a front view and a plan view of the left-right spacing plate according to the embodiment of the present invention.

FIG. 4 is a vertical cross-sectional view of a building outer wall portion illustrating a fastening jig and a fastening structure for an outer wall material according to an embodiment of the present invention.

FIG. 5 is a lateral cross-sectional view of a building outer wall portion illustrating a fastening jig and a fastening structure for an outer wall material according to an embodiment of the present invention.

FIG. 6 is an explanatory view of a conventional fastener for an outer wall material,
(A) is a front view and (b) is a side view.

FIG. 7 is a perspective view illustrating a fastening jig and a fastening structure for an outer wall material by a ventilation method.

FIG. 8 is a vertical cross-sectional view of a building outer wall portion illustrating a fastening jig and a fastening structure for an outer wall material by a ventilation method.

FIG. 9 is a structural explanatory view of an outer wall material to which the present invention is applied.

FIG. 10 is an explanatory diagram of forming a gap at a short side joint portion of left and right outer wall members.

FIG. 11 is an explanatory diagram of forming a gap at long-side joints of upper and lower outer wall members.

[Explanation of symbols]

1: Outer wall material 2, 3, 4, 5: Pass 6: Inclined surface 7: groove 7a: inclined surface 8, 9: Gap 10: Fastening parts 11: Back plate 12: Locking piece 13: Left and right separating plate 14: Fastener 15: Breathable waterproof sheet 16: Pillar (frame) 17: Horizontal joint 18: Vertical joint 20: Fastening jig 20a: Fastening jig body 21: Back plate 22: Locking part 22a, 22b: locking piece 23: Fixed face plate 25: Tapping screw 26: Left and right spacing plate 26a: Fixed piece 26b: Separation piece 26c: hole 27: Base material (furring) 28: Nail

Claims (3)

[Claims] 1. A jig for fixing outer wall materials, which is attached to the adjoining joints of the adjoining adjoining parts, when a plurality of outer wall materials having adjoining ends on four sides are attached in the vertical and horizontal directions. It is locked to the back plate fixed to the skeleton side, the one projecting protrusion of the outer wall material that contacts the top and bottom, and the other projecting groove or protrusion of the outer wall material that contacts the top and bottom. An engaging piece that holds both outer wall members that are in contact with each other in the vertical direction, a fixed face plate that extends from the back plate and that is not flush with the back plate and is formed with a step with respect to the back plate, and the fixed face plate. An outer wall material fastening jig, comprising: a left and right spacing plate that restrains the lateral movement of the outer wall material that is placed on the left and right. 2. The jig for fixing the outer wall material according to claim 1, wherein the fixed face plate has a length of 35 to 95% of the length of the back plate. 3. An outer wall material provided with the jig for fixing the outer wall material according to claim 1 or 2 at the junction intersection of the vertical side and the horizontal side of four four-sided fitting outer wall materials. Fastening structure.