JP2813289B2 - Jointing structure of exterior board - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint structure for an exterior board.

[0002]

2. Description of the Related Art In the construction of an outer wall in a steel-framed house, upper ends of a plurality of steel columns erected on a cloth foundation are connected by beams made of H-shaped steel, and a brace is formed on a rectangular frame formed by this. In some cases, the outer wall is constructed by constructing a load-bearing wall and fitting an outer wall panel that frames the interior frame on the back of an exterior board made of stone or ceramic extruded material, etc., within the frame of the load-bearing wall. is there.

Conventionally, when fixing the interior frame to the steel column of the load-bearing wall and constructing the outer wall panel, a plurality of exterior boards are arranged in parallel outside the steel column,
By interposing a sealing means (gasket or the like) in the joint formed between the joint ends of the exterior board, the joint between adjacent exterior boards is waterproofed (Japanese Patent Laid-Open No. 4-82203). Reference).

[0004]

However, in the above-mentioned prior art, the joint width becomes non-uniform or the thickness of the outer board is reduced at the joint due to a dimensional error of the outer wall panel or the outer board or a mounting error of the outer wall panel. In some cases, a step in the vertical direction may occur, and as a result, the waterproof function of the joint by the sealing means may be damaged early.

SUMMARY OF THE INVENTION In view of the above situation, it is an object of the present invention to prevent uneven joint widths between exterior boards and steps of joints to improve the waterproof function of the joints.

[0006]

In order to achieve the above object,
The technical measures taken by the present invention are such that a plurality of exterior boards are arranged side by side on the outside of a skeletal member of a building, and a sealing means is interposed in a joint formed between joining ends of the exterior boards. and the joint structure for joining the outer board is fixed is a rectangular section of the edge member on the back joining end portion of the front <br/> Kigaiso boards adjacent, joint width of the joint to the surface of the joint side of each edge member specific to the spacer is fixed to, lies in both edge member of the outer board is fastened by a through bolt passing through the spacer and the edge member to the joint width direction.

[0007]

The spacer 27 fixed to the joint 21 side surface of the edge member 5 specifies the joint width of the joint 21, and the edge members 5, 5 of the adjacent exterior boards 2, 2 penetrate these in the joint width direction. Since it is fastened by the through bolt 29, the joint width between the exterior boards 2 and 2 is made uniform.

The through bolt 29 penetrates both edge members 5 and 5 in the joint width direction.
To prevent a step from occurring in the joint in the thickness direction of the joint.
Furthermore, both edge members 5, of the exterior boards 2, 2 adjacent to each other,
Since the spacers 27 and 27 are fixed in advance to 5,
The spacers 27, 27 position the outer boards 2, 2 together.
It functions as a mark when positioning, and both spacers 27,
27 only by joining them together,
They can be arranged properly flush. Also, both edge members
Since 5 and 5 are formed in a rectangular cross section, the through bolt 2
9 through the edge member 5 of one of the exterior boards 2 and temporarily fixed
If this is done, the projecting end of this through bolt 29 is
Guidance for bonding the exterior board 2 to one exterior board 2
Can be used as a password.

[0009]

An embodiment of the present invention will be described below in detail with reference to the drawings. 1 to 5, an outer wall panel 1 according to the present embodiment includes a rectangular flat plate-shaped exterior board 2 made of a stone material or a ceramic extruded material, and an exterior frame 3 fixed to a back surface of the exterior board 2. Further, there is provided an interior frame 4 fixed to the back surface of the exterior frame 3.

[0010] As shown in FIG.
Is formed in a rectangular frame shape from a vertical longitudinal edge member 5 and a vertical crosspiece 6 made of wood having a rectangular cross section, and a horizontal horizontal edge member 7 also made of wood having a rectangular cross section.
Are fixed by an adhesive along the periphery of the. On the other hand, the interior frame 4 is formed in the shape of a rectangular frame from a vertical frame member 8 made of wood having a rectangular cross section and a horizontal frame member 9 made of wood having a rectangular cross section. 4 is set to be about two to three times the sectional height H1 of the exterior frame 3.

The vertical frame member 8 is fixed to the back surface of the vertical edge member 5 with an adhesive or a nail so that the inner surface thereof coincides with the inner surface of the exterior frame 3. The side surface is a mounting surface to the steel pillar 10. Also,
The vertical frame member 8 is shorter than the vertical edge member 5, and the horizontal frame member 9 is fixed to the panel center side of the horizontal edge member 7 in both the upper and lower directions. In the upper and lower parts, a projecting portion 11 is formed in which the exterior board 2 and the exterior frame 3 project vertically above the interior frame 4.

On the upper surface of the interior frame 4, an auxiliary bar 12 serving as an attachment portion to a beam member 13 to be described later is fixed. FIG. 5B shows a structure for attaching the outer wall panel 1 to a residential building. In the figure, a column member 10 is erected on a cloth foundation (not shown), and a brace is formed on a steel frame (frame member) formed by connecting upper end portions of the column member 10 with beam members 13 made of H-shaped steel. To form a bearing wall, and the outer wall panel 1 is fitted into the frame of the bearing wall from outside.

That is, in the lower part of the outer side surface of the vertical frame member 8,
A hook 15 having a hook portion having a lower opening is fixed. The hook of the hook 15 is hooked to the base piece 16 of the column member 10, and a hanging member penetrating the lower flange of the beam member 13. The outer wall panel 1 is mounted in the frame of the load-bearing wall by screwing the lowering bolt 17 to a mounting plate 18 embedded in the upper surface of the auxiliary bar 12.

FIG. 1 shows a joint structure of the exterior board 2. In FIG. 1, outer wall panels 1 and 1 adjacent in the horizontal direction are joined to each other by a U-shaped mounting bracket 20 fastened to a middle portion of an outer surface of a vertical frame member 8 by a bolt 19.
The pillar members 10 are provided inside the mounting portions of the mounting members 20, and the exterior boards 2 of the outer wall panel 1 adjacent to the outside of the pillar members 10 are arranged side by side.

In a joint 21 formed between the joining edges of the exterior board 2 and the exterior frame 3 (vertical edge member 5), a sealing means 2 comprising a gasket 22 and a back guard 23 is provided.
4 are interposed. The back guard 23 is a long object formed of a synthetic resin material (for example, PVC).
In the present embodiment, the vertical edge member 5 is fitted in a groove 25 formed in the vertical direction on the joint 21 side.

The back guard 23 has a hard plate-like base 23A, a soft (elastic) lip 23B extending at one end in the width direction, and a three-sided protrusion protruding from one side of the plate-like base 23A. One waterproof pad 23C and three soft release prevention lips 23D projecting obliquely on the opposite side of the waterproof pad 23C are integrally formed, and the plate-like base 23A is formed such that the lip 23B projects toward the joint 21. Is filled in the concave groove 25. The protrusion length of the lip portion 23B is set to be at least half of the joint width (for example, increased by 30%).
Are in contact with each other and are curved toward the back side of the joint 21.

The gasket 22 is a long object made of an elastic resin material such as synthetic rubber, and has a central base 22A in which a metal plate core 26 bent into a substantially I-shaped cross section is embedded.
And two pairs of water blocking pieces 2 provided on both left and right sides of the base 22A.
2B and 22C. A central base end of the gasket 22 from the water-stopping piece 22C to the back side is an insertion head 22H, and a plurality of retaining projections 22D are provided on both left and right end faces. The tip of the lip portion 23B of the back guard 23 is locked to the ridge 22D, thereby fulfilling the function of preventing the gasket 22 from coming off and stopping water.

A surface (for example, chlorinated polyethylene) for improving the discoloration / fading property, weather resistance and acid resistance is applied to the surface of the water blocking piece 22B on the front side of the joint 21. The lip 23B of the back guard 23 is
After the gasket 22 is inserted into the joint 21, the joint 21
Is brought into contact with the water blocking piece 22C on the back side of. In this case, since the back guard 23 is fitted into the concave groove 25 of the outer wall panel 1, the mounting of the back guard 23 is easy, the mounting accuracy can be improved, and the falling off of the back guard 23 after the mounting is effective. Can be prevented.

When the gasket 22 is inserted into the joint 21, both lip portions 23 B of the back guard 23 serve as a guide for the insertion head 22 H of the gasket 22, preventing the gasket 22 from rolling and improving workability. At the same time, the joint finish appearance becomes good. Gasket 2
Since the core material 26 is embedded in the joint 2, there is an advantage that the straightness and shape of the joint can be ensured, and local depression due to external force can be prevented.

On the other hand, in this embodiment, spacers 27 for securing the joint width shown in FIG. 2 are fixed to the joints 21 of the left and right vertical edge members 5. This spacer 27
Is formed of a metal member having a rectangular shape in a plan view and a trapezoidal cross section, having screw holes 28 on both sides in the longitudinal direction, and having an insertion hole 30 for a through bolt 29 at the center in the longitudinal direction. Bolt holes 31 in the joint width direction are formed in the vertical edge member 5 at regular intervals in the vertical direction, and the spacer 27 allows the insertion holes 30 to communicate with the bolt holes 31 of the vertical edge member 5. The longitudinal edge member 5 is fixed to the joint 21 side by a set screw (not shown) inserted through the screw hole 28.

The laterally adjacent outer wall panels 1 and 1 are arranged such that their spacers 21 abut against each other's spacers 21. At this time, the left and right exterior boards 2 and 2 are arranged flush. And both vertical edge members 5,
The through bolt 29 is inserted into the bolt hole 31 of No. 5 and the insertion hole 30 of the spacer 27 communicating therewith.
A nut 32 is screwed into the tip of the nut 9. In addition, both outer walls
When joining panels 1 and 1
Through the edge member 5 of the outer wall panel 1 and temporarily fix it
In this case, the projecting end of the through bolt 29 is connected to the other outer wall panel.
1 can be used as a guide when joining
1 is easy to join.

Therefore, by tightening the nut 32, the longitudinal edge members 5, 5 are fastened by the penetrating bolts 29 penetrating in the joint width direction. At this time, the joint width is secured substantially constant by the spacer 21. The through bolt 29 prevents a step from occurring in the joint in the thickness direction of the exterior board 2. As shown in FIG. 1, a joint heat retaining plate 33 is provided on the back surface of the pillar 10. An interior board 34 made of a gypsum board or the like is attached to the back surface of the outer wall panel 1 after the joining.

The present invention is not limited to the above embodiment. For example, as the sealing means 24, only the gasket 22 may be provided and the back guard 23 may not be provided. The present invention also includes a sealing means for filling the liquid caulk with wet coking. Further, the present invention can be applied to not only vertical joints but also horizontal joints.

[0024]

As described above, according to the present invention,
The joint width between the exterior boards 2 and 2 is made uniform,
Since a step is prevented from being formed in the joint in the thickness direction of the exterior board 2, a gap is formed between the sealing means 25 provided in the joint 21 and the exterior board 2,
Can be prevented from becoming uneven, and the waterproof function of the joint can be improved. In addition,
According to the description, the two spacers 27, 27 are joined together.
The exterior boards 2 and 2 can be placed properly flush with each other
Of the through bolt 29 temporarily fixed to the edge member 5
Use the protruding end as a guide when joining the exterior board 2
Since the outer wall panels 1 and 1 can be joined easily.
Become like

[Brief description of the drawings]

FIG. 1 is a plan sectional view of a joint joining structure of an exterior board.

FIG. 2A is a plan view of a spacer, and FIG. 2B is a side view of the same.

FIG. 3 is a perspective view showing a lateral joint structure of the outer wall panel.

FIG. 4 is an enlarged sectional view of a joint portion.

5A is a perspective view of an outer wall panel, and FIG. 5B is a perspective view showing a mounting structure of the outer wall panel.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Exterior wall panel 2 Exterior board 5 Edge member (vertical edge member) 10 Skeletal member (column material) 21 Joint 25 Sealing means 27 Spacer 29 Through bolt

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Masamichi Yoshioka 3-12-12 Minamisenba, Chuo-ku, Osaka-shi, Osaka Inside Kubota House Co., Ltd. (56) References Japanese Utility Model 1979-80515 (JP, U) (58) ) Surveyed field (Int.Cl. ⁶ , DB name) E04B 1/68 E04F 13/08

Claims (1)

(57) [Claims] 1. A joint (21) having a plurality of exterior boards (2) arranged side by side on the outside of a skeletal member (10) of a building so as to be flush with each other, and between joint ends of the exterior boards (2). In the joint structure of an exterior board having a sealing means (25) interposed therebetween, an edge member (5) (5) having a rectangular cross section is fixed to the back surface of a joint end of the exterior board (2) (2) adjacent to each other. And this
Each edge member (5) (5) of the joint (21) side of the spacer which specifies the joint width of the joint (21) on the surface (27) (2
7) is fixed, the edges member of the exterior board (2) (2) (5) (5) wherein the spacer (27) (27) and
Joint structure for joining the outer board, characterized in that it is fastened in the through-bolt (29) penetrating the edge member (5) (5) in the joint width direction.