JP2790406B2 - Waterproof structure between outer wall board and window sash - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention mainly relates to an outer wall board having improved waterproofness between an outer wall board constituting an outer wall of a building or the like and a window sash arranged adjacent to the outer wall board. And a window sash (see Japanese Utility Model Laid-Open No. 58-31375).

[0002]

2. Description of the Related Art As shown in FIG. 5, a window opening 3 for a window sash 2 is formed in a part of an outer wall board 1 as shown in FIG. One in which two sash frames 4 are provided is known. In such a case, an outer wall frame 5 supporting the sash frame 4 is provided along the back side 1a of the outer wall board 1 and the back side 4a of the sash frame 4 along the vertical direction. . FIG.
Reference numeral 6 denotes a rivet for fixing the sash frame 4.

A light rod rod embedding material 7 is inserted into a groove 5a formed substantially at the center of the outer wall frame 5. Then, the caulking material 8 is filled from above, and waterproofing is performed between the periphery of the window opening 3 and the sash frame 4 of the window sash 2.

[0004]

However, in such a waterproof structure between the outer wall board 1 and the window sash 2 of the related art, since the waterproofing is performed by the caulking material 8, the waterproof structure is straightened. Filling and working with caulking material required skill, time was required for construction and drying, and it was difficult to say that production efficiency was good. In addition, there is a possibility that the appearance quality may vary due to a work error.

Further, the caulking material 8 has a problem that the waterproof function may be impaired due to the deterioration over time, and cracks may be generated. In this respect, there is a problem that the appearance quality is deteriorated.

Therefore, the present invention provides good production efficiency,
Moreover, it is an object of the present invention to provide a waterproof structure between the outer wall board and the window sash which has good appearance quality.

[0007]

According to the present invention, a window opening is formed in an outer wall board, a sash frame of a window sash is provided in the window opening, and the window of the outer wall board is provided. In a waterproof structure between a window peripheral portion and a window sash for waterproofing between a side peripheral portion along a vertical direction of a peripheral portion of an opening and a sash frame adjacent to the lateral peripheral portion, the side peripheral portion An outer wall frame is disposed along the up and down direction across the back side of the sash frame and the back side of the sash frame, and the outer wall frame has an outer wall side attachment portion attached to the side peripheral portion via a waterproof material, A sash-side attachment portion attached to the sash frame via a waterproof material, and a concave drainage channel recessed toward the indoor side between the outer wall-side attachment portion and the sash-side attachment portion; Dry waterproofing material between the rim and the sash frame Is characterized in waterproof structure between the outer wall board and window sash mounted is fitted.

[0008]

[Work] According to this configuration, at the time of construction, the outer wall frame and the waterproof material are brought into contact with the back side of the side peripheral edge of the outer wall board and the back side of the sash frame, and are fixed to each other. If a dry waterproof member is fitted between the frame and the frame, construction is possible.

[0009] Waterproofing between the outer wall board and the window sash is first performed by this dry type waterproofing member, and even if water enters the outer wall frame beyond the waterproofing member, the outer wall side mounting portion of the outer wall frame. And the sash-side mounting portion is attached to the side peripheral portion and the sash frame via a waterproof material, so that water is stopped by the outer wall frame and flows down from the drainage channel without entering the indoor side. .

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of the present invention will be described with reference to the drawings.

FIGS. 1 to 4 show an embodiment of the present invention. The same or equivalent parts as those in the conventional example will be described with the same reference numerals.

First, the structure will be described.
A window opening 12 is formed by forming a cutout in a part of an outer wall board constituting a wall surface of a building. This window opening 12
, The sash frame 14 of the window sash 13 is arranged. As shown in FIG. 3, on the outer peripheral edge of the back surface 11a of the outer wall board 11, metal peripheral frames 15 for disposing the outer wall board 11 in a building are arranged. A horizontal frame 16 for reinforcement is provided on the back surface of the outer wall board 11. Further, upper and lower frames 17 and 18 for fixing the window sash 13 are disposed at upper and lower peripheral edges 12b and 12c of the window opening 12, respectively. In addition, a side peripheral edge portion 12a extending in the up-down direction is formed at a peripheral edge portion of the window opening 12 of the outer wall board 11. A step portion 12d, one step lower than the height of the surface, is formed on the side peripheral portion 12a.

A back side 12e of the side peripheral portion 12a;
An outer wall frame 20 is disposed on the back side 14a of the sash frame 14 along the vertical direction. The outer wall frame 20 is elongated and has the peripheral frame 15,
15 extend vertically. The outer wall frame 20 includes a side peripheral portion 1 of the outer wall board 11.
An outer wall side attaching portion 21 attached to 2a and a sash side attaching portion 22 attached to the sash frame 14 of the window sash 13 are formed. And this outer wall side mounting portion 2
1 is fixed to the back surface 12e of the side peripheral portion 12a via a waterproof sheet 23 as a waterproof material, and the sash side mounting portion 22 is also rivet 6 via a waterproof sheet 24 as a waterproof material. The back side 14a of the sash frame 14 of the window sash 13 is attached.

A concave drainage channel 26 recessed toward the room 25 is formed between the outer wall side mounting portion 21 and the sash side mounting portion 22 of the outer wall frame 20. This drainage channel 2
6 is formed over the entire outer wall frame 20;
Back surface 11a of outer wall board 11 facing this drainage channel 26
Is provided with a waterproof coating 27 as shown in FIG.

A cover member 14b for covering the peripheral edge of the sash frame 14 is provided on the peripheral surface side of the sash frame 14. The cover member 14b has a stepped portion 14c that is one step lower than the surface height.

Further, a side peripheral portion 12 of the window opening 12 is provided.
A gasket 30 as a dry type waterproof member is fitted and attached between a and the sash frame 14 of the window sash 13. The gasket 30 is made of a flexible material such as synthetic rubber, and has the step 12 d and the step 1.
4c, which mainly comprises a flange-shaped head 31 that covers the gap by contacting the side peripheral edge portion 12a and the leg portion 32 that is inserted and locked between the side peripheral edge portion 12a and the cover member 14b of the sash frame 14. I have.

In the thus constructed waterproof structure between the outer wall board 11 and the window sash 13 of this embodiment, the outer wall side mounting portion 21 of the outer wall frame 20 is attached together with the waterproof sheet 23 to the back surface of the outer wall board 11 at the time of construction. Abut on 12e
It is fixed with rivets 6. Next, the window sash 13 is fitted into the window opening 12, and the sash-side mounting portion 21 of the outer wall frame 20 is attached to the back surface 14 a of the sash frame 14 with the waterproof sheet 24.
And fixed with rivets 6. Then, if the gasket 30 is inserted and fitted between the side peripheral edge portion 12a and the sash frame 14, construction is possible. At this time,
The head 31 of the gasket 30 is connected to the steps 12 d and 14.
c to cover the gap. At this time, since the gasket 30 is disposed along the gap, it is disposed linearly.

[0018] Therefore, unlike the prior art, there is no need to use a caulking material, a good appearance can be obtained in a short time without being influenced by the skill of the operator, and the production efficiency is good.

First, waterproofing between the outer wall board 11 and the window sash 13 is performed by the gasket 30. Since the head 31 covers the gap, almost no water enters.
In addition, the momentum of water that has invaded beyond the gasket 30 is weakened. For this reason, even if water invades the outer wall frame 20, the outer wall side mounting portion 21 and the sash side mounting portion 22 of the outer wall frame 20 apply the waterproof sheets 23, 24 to the side peripheral portion 12a and the sash frame 14. This water is stopped by the outer wall frame 20 and flows down the drainage channel 26 without entering the room 25, and is drained at the lower end of the drainage channel 26. Therefore, water does not accumulate in the drainage channel 26, and the durability is good.

Further, the gasket 30 is, as in the prior art,
There is no problem of deterioration over time. For this reason, waterproof performance and appearance quality can be maintained for a long time.

Further, in the gasket 30 of this embodiment, the head 31 is disposed in contact with the step portions 12d and 14c, so that the surface of the outer wall board 11 and the surface of the cover member 14b of the sash frame 14 can be removed. Can be arranged without protruding outward. For this reason, while the appearance quality is more favorable,
The gasket 30 is less likely to be damaged due to catching or the like, and the durability can be further improved.

In the waterproof structure of this embodiment, the waterproof sheets 23 and 24 are used as the waterproof material. However, the present invention is not limited to this. For example, even if a fluid waterproof material is used, the outer wall of the outer wall frame 20 may be used. Side mounting part 21 and sash side mounting part 22
It goes without saying that any waterproof material may be used as long as it is interposed when it is attached to the back side 14a of the sash frame 14 of the window sash 13 of the window sash 13 on the back side 12e of the side peripheral portion 12a.

[0023]

As described above, according to the present invention, since a dry type waterproof member is used, it is not necessary to use a caulking material as in the prior art, and it is not affected by the skill of the worker. Good appearance can be obtained in a short time, and production efficiency is good.

Further, there is a practically useful effect that the waterproof performance and the appearance quality can be maintained for a long time without the problem of deterioration over time.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view taken along the line AA of FIG. 2 showing a waterproof structure between an outer wall board and a window sash according to one embodiment of the present invention.

FIG. 2 is a front view showing the surface of the outer wall board before disposing the window sash of the same embodiment.

FIG. 3 is a rear view showing the back surface of the outer wall board before disposing the window sash of the same embodiment.

FIG. 4 is a cross-sectional view corresponding to line BB of FIG. 2 showing the waterproof structure of the same embodiment.

FIG. 5 is a cross-sectional view of a portion corresponding to FIG. 1 showing a waterproof structure between a conventional outer wall board and a window sash.

[Explanation of symbols]

 11 Exterior wall board 12 Window opening 12a Side peripheral edge 12e Back side 13 Window sash 14 Sash frame 14a Back side 20 Exterior wall frame 21 Exterior wall side mounting part 22 Sash side mounting part 23,24 Waterproof sheet (waterproof material) 25 Indoor 26 Drainage Road 30 gasket (dry type waterproof material)

Claims (1)

(57) [Claims] A window opening is formed in an outer wall board, a sash frame of a window sash is disposed in the window opening, and a side peripheral edge along a vertical direction of a peripheral edge of the window opening of the outer wall board. And, in the waterproof structure between the outer wall board and the window sash that performs waterproofing between the side peripheral portion and the adjacent sash frame, straddling the back side of the side peripheral portion and the back side of the sash frame, An outer wall frame is disposed along the up-down direction, the outer wall frame includes an outer wall-side mounting portion mounted to the side peripheral edge portion via a waterproof material, and a sash-side mounting portion mounted to the sash frame via a waterproof material. And having a concave drainage channel recessed toward the indoor side between the outer wall side mounting portion and the sash side mounting portion, and further, a dry type waterproof member is provided between the side peripheral portion and the sash frame. Exterior wall boards and windows fitted and fitted Waterproof structure between the sash.