JPH11107648A - Drainage structure of composite window - Google Patents

Abstract

PROBLEM TO BE SOLVED: To drain rainwater and condensed water infiltrating to the indoor side efficiently to an outdoor section in a composite window consisting of a metallic frame and a resin frame. SOLUTION: The drainage structure of the composite window is constituted by housing a window sash 10 in an aluminum frame while approximately covering the indoor-side exposed section of the aluminum frame with a resin frame. A recessed section 22b along the lower section of a place, where an aluminum lower frame 22 and a resin lower frame 32 are joined, an indoor-side hollow section 26 positioned at the lower section of the recessed section 22b and a drain 25, by which water infiltrating into the recessed section 22b is drained to the outdoor side through the indoor-side hollow section 26 are formed to the aluminum lower frame 22.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a composite window in which a shoji is fixed to a metal frame comprising upper and lower frames and left and right vertical frames and an exposed portion of the metal frame on the indoor side is substantially covered with a resin frame. Drainage structure.

[0002]

2. Description of the Related Art In recent years, there has been an increasing demand for a composite window (hereinafter referred to as a composite window) having a resin frame on an exposed portion on the indoor side of a window frame made of a metal frame such as an aluminum sash. The composite window covers the indoor side of the metal frame with a resin that has extremely low thermal conductivity compared to metal, thereby improving heat insulation, suppressing dew condensation on the indoor side, There are advantages in terms of elimination of visual coldness, improvement of the design by being integrated with the interior decoration, and the like.

[0003]

On the other hand, the conventional composite window has the following problems. That is, firstly, due to a pressure difference or the like that occurs inside and outside the room at the boundary of the composite window, rainwater may sometimes enter through a gap between the joints between the metal frame and the resin frame exposed to the outside. In this case, since the rainwater that has entered between the metal frame and the resin frame cannot be seen from the indoor side, it is highly likely that the rainwater will be left for a long time, and this may cause deterioration of the indoor walls and the composite sash. Was. Also, in general, the composite window does not have a structure that drains dew water adhering to the indoor surface of the glass shoji, so the dew water flowing down from the glass shoji flows into the indoor side through the upper surface of the resin lower frame, and There is a risk that the walls and floors of the vehicle may be soiled or deteriorated.

The present invention has been made in view of the above-mentioned conventional problems, and efficiently drains rainwater and dew water on the indoor side from the junction between a metal frame and a resin frame to the outdoor side. The purpose of the present invention is to provide a drainage structure of a composite window that can perform the same.

[0005]

In order to achieve the above object, the present invention according to the first aspect of the present invention is to dispose a shoji in a metal frame formed by framing upper and lower frames and left and right vertical frames and to expose the metal frame indoors. In the drainage structure of a composite window in which a portion is substantially covered with a resin frame, the lower frame has a concave portion along a lower portion where the lower frame and the resin frame are joined, and a lower portion located below the concave portion. It is characterized in that a hollow portion and a drainage channel for draining water flowing into the concave portion to the outside through the hollow portion are formed.

According to a second aspect of the present invention, in the first aspect of the present invention, a second recess is provided along the upper side of the recess in the resin frame, and a bottom surface of the second recess is provided on a bottom surface of the second recess. A drain hole for guiding water flowing into the second concave portion to the concave portion or the hollow portion is formed.

According to a third aspect of the present invention, in the second aspect of the present invention, an opening forming a part of the drainage channel is formed on a bottom surface of the concave portion of the lower frame, and the second concave portion is formed. And a drain guide for guiding water in the second concave portion substantially directly to the hollow portion of the lower frame through the drain hole and the opening of the concave portion.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a longitudinal sectional view of a sliding window to which the present invention is applied, and FIG. 2 is a transverse sectional view of FIG. In each of these drawings, the sliding window is configured such that the window sash 10 is slidably housed in the window frame 1 attached to the window opening 40.

Each of the frame members constituting the window frame 1 is a composite frame member, and is composed of an aluminum frame 2 as a metal frame serving as a base, and a resin frame 3 covering an exposed portion on the indoor side. The aluminum frame 2 is formed by forming an aluminum upper frame 21, an aluminum lower frame 22, and aluminum vertical frames 23 and 24 in a rectangular shape, and fastening each other with screws. In addition, the resin frame 3 includes a resin upper frame 31,
A resin lower frame 32 and resin vertical frames 33 and 34 are provided. The resin upper frame 31 is attached to the aluminum upper frame 21 and the resin lower frame 3.
2 is an aluminum lower frame 22, and a resin vertical frame 33 is an aluminum vertical frame 23.
The resin vertical frame 34 is attached to the aluminum vertical frame 24, respectively.

The aluminum frame 2 is molded from an extruded aluminum material, and the resin frame 3 is molded from vinyl chloride or acrylic resin. By covering the exposed portion of the aluminum frame 2 on the indoor side with the resin frame 3 as described above, the cold feeling of the metal is hidden, and the heat insulating effect is improved by the resin having low thermal conductivity. In addition, these resin materials include
By mixing wood powder or the like, it is possible to present the appearance as if it is formed of wood in appearance.

On the other hand, the window sash 10 has a double-glazed glass 12 housed in a frame 11 formed by vertically and vertically and horizontally framed frames. Each frame material constituting the frame body 11 is also the same as the window frame 1 described above.
Similarly to the above, it is composed of an aluminum frame 13 and a resin frame 14 attached so as to cover the exposed portion on the indoor side. As shown in FIG.
The left and right vertical frames 1 are connected via a hinge member 10a so that they can slide out to the outdoor side.

Next, the drainage structure in the lower frame of the sliding window will be described with reference to FIGS. FIG. 3 is FIG.
FIG. 4 is an enlarged cross-sectional view showing a portion around the lower frame, and FIG. 4 is a perspective view showing the aluminum lower frame 22 and the resin lower frame 32 separately.
As shown in these drawings, the aluminum lower frame 22 has an inner peripheral surface formed in a stepped shape, and has a rising piece 22a extending upward at a substantially central position in the indoor / outdoor direction. The rising piece 22a functions as a mounting portion of the resin lower frame 32 on the outdoor side. That is, the resin lower frame 32 is detachably attached by the screw 4 in a state where the locking piece 32b formed on the outdoor side is engaged with the rising piece 22.

The aluminum lower frame 22 is provided with a concave portion 22b at a position closer to the indoor side than the rising piece 22a and along substantially the entire length in the longitudinal direction. The concave portion 22b is a joint (joined portion) exposed to the outdoor side of the aluminum lower frame 22 and the resin lower frame 32, that is, the rising piece 22a and the locking piece 32.
It functions as a drainage ditch for receiving rainwater (symbol A in FIG. 3) that enters the indoor side from the gap at the junction with b. The aluminum lower frame 22 further includes a drainage channel 25 for draining rainwater collected in the concave portion 22b to the outside. The drainage channel 25 is constituted by a plurality of openings 22c to 22e that connect the recess 22b of the aluminum lower frame 22 to the outdoor side.

As shown in FIG. 4, a plurality of openings 22c are formed at the bottom of the recess 22b along the longitudinal direction thereof, and rainwater in the recess 22b passes through the opening 22c and is formed at a lower portion thereof. It flows into the hollow part 26 on the indoor side. The rainwater that has flowed into the indoor hollow portion 26 further rises,
2a through the openings 22d formed at a plurality of locations in the longitudinal direction of the aluminum lower frame 22 at the lower end position of the aluminum lower frame 22, the outdoor side hollow portion 2
7, the water is further drained to the outdoor side through openings 22e formed at a plurality of locations in the longitudinal direction of the outer wall of the outdoor side hollow portion 27. That is, the rainwater flowing into the indoor side is drained to the outdoor side through the inside of the aluminum lower frame 22. Here, the opening 22e is provided with a drain valve 22f which allows the outflow of water from the indoor side to the outdoor side and regulates the inflow of water in the opposite direction. Infiltration of rainwater or the like from the outside to the indoor side is prevented. A contact piece 22g is formed at the upper end of the aluminum lower frame 22 on the outdoor side, and the airtight material 15 attached to the window shoji 10 when the window shoji 10 is closed is brought into contact with the contact piece 22g. You.

Next, the configuration of the resin lower frame 32 will be described. The resin lower frame 32 has a substantially L-shaped cross-sectional appearance, and is a member that extends over the entire length of the aluminum lower frame 22 and is attached so as to fit into the recess 22 b of the aluminum lower frame 22. The vertical piece 32a of the resin lower frame 32 has a locking piece 32b on the outdoor surface side. Resin lower frame 32 is aluminum lower frame 2
2, the vertical piece 32a is attached to the aluminum lower frame 22.
The engaging piece 32b is engaged with the rising piece 22a, and is fixed by the screw 4 in this state. Vertical piece 32a
A door stop member 35 is attached to the upper end on the outdoor side of the vehicle, and the door stop member 35 is brought into contact with the resin lower frame 14b of the shoji body 10 when the window shoji 10 is closed.

On the other hand, the indoor side portion of the horizontal piece 32c of the resin lower frame 32 is a decorative edge 42 which is integrally and continuously arranged on the decorative frame 41 of the window opening. The decorative frame 42 is fixed to the decorative frame 41 with the screw 5. These horizontal pieces 32c
A concave portion 32d, which is a second concave portion lower than the face of the decorative edge 42, is formed between the vertical piece 32a and the vertical piece 32a. The recess 32d functions as a drain for receiving dew water (reference numeral B in FIG. 3) flowing down from the indoor surface of the window shoji 10 or the like.

At the bottom of the recess 32d, openings 32e are formed at two locations at both ends in the longitudinal direction (see FIG. 2). Each opening 32e is formed so as to be aligned with one of the openings 22c formed in the concave portion 22b of the aluminum lower frame 22 in the finding direction. And each opening 32
A drain guide 36 is attached to e, and the lower end of the drain guide 36 is inserted into the opening 22c, and further reaches the indoor hollow portion 26.

The drain guide 36 is used to transfer the dew water flowing down to the recess 32 d of the resin lower frame 32 to the recess 2 d of the aluminum lower frame 22.
This is for draining water directly into the indoor hollow portion 26 without flowing into the indoor side 2b. This prevents the rainwater A from outside and the dew water B from indoors from interfering with each other in the recess 22b, and achieves efficient drainage of these.

FIGS. 5A to 5C show the drainage guide 3.
6 is a longitudinal sectional view, a side view, and a bottom view, respectively. A drain guide 36 is provided on the upper part of the cylindrical main body 36a.
b is a resin molded member. The mounting portion 36b includes a groove 36c and a locking portion 36d which are arranged along the longitudinal direction of the concave portion 32d.
6c leads to the cylindrical body 36a. Cylindrical body 36
A metal sphere 37 serving as a check valve is housed inside a. The sphere 37 is normally held by its own weight in the claw portion 36e at the lower end of the cylindrical main body 36a, and the dew condensation water flowing from the groove 36c removes the sphere 37 and the claw portion 36.
The water is drained downward from the gap e. On the other hand, the cylindrical body 36
With respect to the flow of water from below a, the sphere 37 is pushed up by the water force and comes into close contact with the upper portion of the cylindrical main body 36a, thereby closing the water channel. Therefore, even if rainwater flows backward from the outdoor side through the drainage channel 25 or water overflows into the indoor hollow portion 26, the drainage guide 36 functions as a check valve to prevent the rainwater from flowing in the indoor side. There is no inflow of water.

With such a configuration, the concave portion 3 of the resin lower frame is formed.
The condensed water that has flowed into 2d flows directly down into the hollow portion 26 of the aluminum lower frame 22 by the drain guide 36, and is then drained to the outside along the drain channel 25 in the same manner as rainwater in the concave portion 22b of the aluminum lower frame 22. Is done. Since the resin lower frame 32 is detachably attached to the aluminum lower frame 22,
Cleaning of the concave portions 32d and 22b can be easily performed by removing the resin lower frame 32 from the aluminum lower frame 22. The resin lower frame 32 has a contact piece 32f extending downward from the bottom surface of the concave portion 32d and contacting the bottom upper surface of the concave portion 22b of the aluminum lower frame 22 along the longitudinal direction. The contact piece 32f is in contact with the upper surface of the bottom of the recess 22b, so that the recess 32d is securely supported.

Now, one embodiment of the present invention has been described. However, the present invention is not limited to the matters described in the above-described embodiment, but is based on the creation of the technical idea described in the claims. It may be implemented in different forms within the scope. Hereinafter, these different embodiments will be described. First, in the above embodiment, an example in which the drainage structure according to the present invention is applied to the sliding window has been described. However, the present invention can be applied to a sliding window, a casement window, and any other complex windows.

The drain guide 36 and the drain valve 22f may be omitted, or may be configured in another form having the same function. In particular, the drain guide 36 may be configured as a simple conduit having no check function. Even in this case, the dew condensation water in the concave portion 32d can be directly guided to the indoor hollow portion 26. Openings 32e, 22c to 22f
May be formed in different places, different numbers or different shapes in the prospective direction and the finding direction within a range where the drainage function can be maintained.

[0023]

As described above, according to the first aspect of the present invention, the lower frame has a recess along the lower portion where the lower frame and the resin frame are joined, and a lower portion below the recess. And a drain that drains water flowing into the recess to the outside through the hollow, thereby forming a joint between the metal lower frame and the resin lower frame from outside. Rainwater entering through the gap can be reliably discharged to the outside, and it is possible to prevent the rainwater from polluting the room or deteriorating the building.

According to the second aspect of the present invention, the resin frame is provided with the second concave portion along the upper side of the concave portion.
By forming a drain hole for guiding water flowing into the second concave portion to the concave portion or the hollow portion on the bottom surface of the concave portion,
It is possible to reliably discharge the dew water flowing down from the indoor side surface of the window shoji to the outside, and prevent the dew water from contaminating the room or deteriorating the building.

According to the third aspect of the present invention, an opening which forms a part of a drainage channel is formed on the bottom surface of the concave portion of the lower frame, and the drainage hole of the second concave portion and the opening of the concave portion are formed. By providing a drain guide for guiding the water in the second concave portion substantially directly to the hollow portion of the lower frame, the dew water flowing into the concave portion of the resin lower frame is directly drained without collecting in the concave portion of the metal lower frame. Drainage can be performed on the road, and drainage can be performed more smoothly.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a sliding window according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a sliding window according to an embodiment of the present invention.

FIG. 3 is an enlarged sectional view showing a lower frame peripheral portion of FIG. 1;

FIG. 4 is a perspective view showing an aluminum lower frame and a resin lower frame separately.

FIG. 5 is a vertical sectional view, a side view, and a bottom view of the drain guide.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Window frame 2 Aluminum frame 3 Resin frame 4 Screw 5 Screw 10 Window shoji 10a Hinge member 11 Frame 12 Double glass 13 Aluminum frame 14 Resin frame 15 Airtight material 21 Aluminum upper frame 22 Aluminum lower frame 22a Rising piece 22b Recess 22c 22e Opening 22f Drain valve 22g Contact piece 23, 24 Aluminum vertical frame 25 Drainage channel 26 Indoor hollow part 27 Outdoor hollow part 31 Resin upper frame 32 Resin lower frame 32a Vertical piece 32b Locking piece 32c Horizontal piece 32d Recess 32e Openings 33, 34 Resin vertical frame 35 Door stop member 36 Drain guide 36a Cylindrical main body 36b Attachment portion 36c Groove 36d Locking portion 36e Claw portion 37 Sphere 40 Window opening 41 Makeup frame 42 Makeup frame A Rain water B Condensation water

[Selection] Fig. 3

Claims (3)

[Claims] 1. A drainage structure for a composite window comprising a metal frame formed by framing an upper and lower frame and right and left vertical frames, wherein a shoji is accommodated and an indoor exposed portion of the metal frame is substantially covered by a resin frame. The frame has a concave portion along a lower portion where the lower frame and the resin frame are joined, a hollow portion located below the concave portion, and water flowing into the concave portion through the hollow portion. A drainage structure for a composite window, wherein a drainage channel for draining outward is formed. 2. The resin frame is provided with a second concave portion along the upper side of the concave portion, and water flowing into the second concave portion is provided on a bottom surface of the second concave portion to the concave portion or the hollow portion. The drainage structure for a composite window according to claim 1, wherein a drainage hole for guiding is formed. 3. An opening constituting a part of the drainage channel is formed in the bottom surface of the concave portion of the lower frame, and the drainage hole of the second concave portion and the opening of the concave portion allow the inside of the second concave portion to be formed. The drainage structure for a composite window according to claim 2, further comprising a drainage guide for guiding the water substantially directly to the hollow portion of the lower frame.