JPH0893151A - Lighting window - Google Patents

Abstract

PURPOSE: To provide a lighting window which is excellent in a lighting ability, and what is more, enhanced in insulation properties or more particularly, to make it possible to increase a lighting area of a windowpane, and what is more, to lower the height of lighting window rising from a roof surface. CONSTITUTION: This invention relates to a lighting window which comprises a wooden foundation frame 5 fixed with the roof of a building and an under-window support frame 6 fixed with the outer peripheral side of the lower end of the wooden foundation frame 5 and a movable window frame 4 mounted to the under-window support frame 6 so that it may be opened and a windowpane 3 whose outer peripheral part is supported on the movable window frame 4 where the movable window frame 4 comprises a movable upper-window frame 2 which supports the top of the outer peripheral part of the windowpane 3 and turnably connected to the under-window support frame 6 and a wooden movable under-window lower frame 1 which is mounted to the bottom of the movable upper-window frame 2 and supports the bottom of the outer peripheral part of the windowpane 3. A notched offset portion 7 is formed on the inner peripheral side of the lower end of the wooden foundation frame 5 which allows the wooden movable window lower frame 1 to step down and come in contact by way of an air tight gasket 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a daylighting window provided on a roof or the like for the purpose of daylighting and ventilation of a building indoors.

[0002]

2. Description of the Related Art Conventionally, a daylighting window has been used in which a window frame fitted with a window glass and fixed thereto is openably and closably attached to a wooden base frame fixed to a roof or the like of a building. By the way, generally, in a daylighting window, there is a problem that the cold temperature of the outdoors is transmitted to the indoor side of the window glass or the window frame to easily cause dew condensation in the winter. Therefore, various measures against dew condensation have been conventionally applied to the daylighting window. As such a daylighting window, for example, as shown in FIGS. 3 and 4, a window frame which is openably and closably attached to a wooden base frame (e). (C) is composed of an upper frame (a) that supports the upper surface of the outer peripheral portion of the window glass (d) and a lower frame (b) that supports the lower surface of the outer peripheral portion of the window glass (d). It is known that the lower frame (b) is made of wood to improve the heat insulation of the window frame (c) to prevent dew condensation. In the daylighting window as described above, as shown in FIG. 3, the lower frame (b) of the window frame (c) is fitted inside the upper end of the opening of the base frame (e), or as shown in FIG. As shown, the lower frame (b) of the window frame (c) is in contact with the upper end of the base frame (e).

[0003]

However, in the daylighting window as described above, in the former, the lower frame (b) is pushed out into the opening of the base frame (e) by the width of the frame, and the window glass ( The lighting area of d) becomes smaller than the opening area of the basic frame (e), and the lighting ability becomes low. On the other hand, in the latter, the height rising from the roof surface of the daylighting window is increased by the thickness of the lower frame (b), the contact area with the outside air is increased, and the heat insulation is low.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a daylighting window having excellent daylighting ability and improved heat insulation,
Specifically, it is an object of the present invention to provide a daylighting window capable of increasing the daylighting area of the window glass and reducing the height of the daylighting window rising from the roof surface.

[0005]

The daylighting window of the present invention comprises a wooden base frame 5 fixed to the roof of a building and the wooden base frame 5.
A lower window support frame 6 fixed to the outer peripheral side of the upper end of the movable window frame 4, an openable and closable movable window frame 4 attached to the lower window support frame 6, and a window glass 3 having an outer peripheral portion supported by the movable window frame 4. The movable window frame 4 supports the upper surface of the outer peripheral portion of the window glass 3 and is rotatably connected to the window lower support frame 6, and the movable window frame. It is attached to the underside of 2,
It consists of a wooden movable window lower frame 1 that supports the lower surface of the outer peripheral portion of the window glass 3, and the wooden movable window lower frame 1 is stepped down and abuts on the inner peripheral side of the upper end portion of the wooden base frame 5 via an airtight packing 8. A notch step portion 7 is formed.

In the daylighting window of the present invention, the upper end portion of the window lower support frame 6 abuts the lower surface of the movable window upper frame 2 through the airtight packing 9 over the entire circumference of the frame, and the window lower support frame 6 and the wooden movable window bottom It is preferable that an airtight space 14 is formed between the frame 1 and the frame 1.

[0007]

According to the lighting window of the present invention, since the wooden movable window lower frame 1 is stepped down and abuts via the airtight packing 8 on the notched step portion 7 formed on the inner peripheral side of the upper end portion of the wooden base frame 5. The width of the wooden movable window lower frame 1 protruding into the opening of the wooden base frame 5 is reduced by the amount that the wooden movable window lower frame 1 is stepped down to the inner peripheral side of the upper end portion of the wooden base frame 5, and the wooden base frame is also reduced. The height of the wooden movable window lower frame 1 protruding from the upper end of 5 becomes low.
Therefore, the lighting area of the window glass 3 can be increased, and the height of the lighting window rising from the roof surface can be reduced. Further, the airtight packing 8 keeps the airtightness between the wooden movable window lower frame 1 and the wooden base frame 5.

In the daylighting window of the present invention, the upper end portion of the window supporting lower frame 6 is in contact with the lower surface of the movable window upper frame 2 through the airtight packing 9 over the entire circumference of the frame so that the window supporting lower frame 6 and the wooden movable window lower part. When the airtight space 14 is formed between the frame 1 and the frame 1, the airtight space 14 has a heat insulating effect, and dew condensation is less likely to occur on the indoor side of the wooden movable window lower frame 1.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings shown as embodiments.

FIG. 1 is a sectional view showing an example of the daylighting window of the present invention, and FIG. 2 is a perspective view showing an example of installation of the daylighting window according to FIG.

The daylighting window according to the present embodiment has a wooden base frame 5 fixed to a roof 10 having a sloping building, a window support frame 6 fixed to the outer peripheral side of the upper end of the wooden base frame 5, and this window. A movable window frame 4 is attached to the lower support frame 6 so as to be openable and closable, and a window glass 3 having an outer peripheral portion supported by the movable window frame 4.

The wooden base frame 5 is a wooden frame fixed to a rectangular opening provided to install the daylighting window on the roof 10 having a sloping building. A window lower support frame 6 that supports the movable window frame 4 is fixed to the outer peripheral side of the upper end of the wooden base frame 5. Further, a notched step portion 7 is formed at the upper end of the wooden base frame 5 by cutting out the inner peripheral side. An airtight packing 8 is provided over the entire circumference of the notch step portion 7. On the outer peripheral side end surface of the wooden base frame 5 exposed on the outdoor side, a draining piece 11 is attached over the upper surface of the roof 10 to protect the outer peripheral side end surface of the wooden base frame 5 exposed on the outdoor side. In addition, the waterproof property of the wooden base frame 5 and the roof 10 is secured.

The lower window support frame 6 is a frame body made of metal such as aluminum, and the movable window frame 4 is rotatably connected to the water upper side of the lower window support frame 6. Further, on the outer peripheral side of the window lower support frame 6, there is provided a rising support piece 15 that rises upward over the entire circumference and supports the lower surface of the movable window frame 4,
An airtight packing 9 is provided at the upper end of the rising support piece 15. Further, on the inner peripheral side, a water receiver 16 for receiving dew condensation water and drops formed on the movable window frame 4 is provided, and a drain hole 17 for discharging water from the water receiver 16 to the outside is provided.

The movable window frame 4 is a rectangular frame body that supports the outer peripheral portion of the window glass 3, and the movable window upper frame 2 that airtightly supports the upper surface of the outer peripheral portion of the window glass 3, and the movable window upper frame 2. It is composed of a wooden movable window lower frame 1 attached to the lower surface of the frame 2 and airtightly supporting the lower surface of the outer peripheral portion of the window glass 3. The movable window frame 4 is provided on the window support frame 6 so as to be openable and closable.

The movable window upper frame 2 is a frame body made of a metal such as aluminum that forms the outer appearance of the movable window frame 4, and is a window glass 3.
It covers the upper surface and the side edges of the outer peripheral portion of. This movable window top frame 2
Is rotatably connected to the lower window support frame 6 on the water side by a hinge or the like, so that the movable window frame 4 can be opened and closed with respect to the lower window support frame 6. Further, the lower surface of the movable window upper frame 2 is in contact with and supported by the rising support piece 15 of the window lower support frame 6 via the airtight packing 9.

The wooden movable window lower frame 1 is a wooden frame body having excellent heat insulating properties, and is in contact with the notched step portion 7 of the wooden base frame 5 via the airtight packing 8 in a stepped manner. A gutter groove 12 for receiving condensed water generated on the surface of the window glass 3 is provided on the inner peripheral side of the upper end of the wooden movable window lower frame 1 except for the water side, and the upper end of the wooden movable window lower frame 1 is provided. On the underwater side, a drainage groove 13 communicating with the gutter groove 12 is provided so as to extend from the underwater side end surface.

The window glass 3 is cut into a size that can be fitted into the movable window frame 4. Window glass 3
As, may be made of a single sheet of glass, may be of a multi-layer structure, is not particularly limited, for example, wire mesh glass wire inside, hard reinforced outside If a glass having a multi-layer structure in which an air layer is formed between the glass and the glass is joined in parallel, a heat insulating effect is imparted by the air layer, and it is difficult for the outdoor temperature to be transmitted to the inner surface side of the window glass 3, resulting in dew condensation. Is prevented from occurring.

In the daylighting window of this embodiment, when the movable window frame 4 and the window glass 3 are closed, the wooden movable window lower frame 1
At the same time, the lower surface of the outer peripheral side of the movable window upper frame 2 is brought into contact with the cut-out stepped portion 7 of the wooden base frame 5 via the airtight packing 8, and at the same time, the lower surface of the movable window upper frame 2 becomes the rising support piece 15 of the window lower support frame 6. It abuts and is supported via the airtight packing 9. Since the frame size can be increased in the lateral width direction of the wooden movable window lower frame 1 by the amount of contact with the notch step portion 7, the width of the wooden movable window lower frame 1 on the inner peripheral side protruding out into the opening of the wooden base frame 5 can be increased. Therefore, the window glass 3 can be made small, and thus the light collecting area of the window glass 3 can be made large. Further, the height of the wooden movable window lower frame 1 protruding from the upper end of the wooden base frame 5 is low because the height of the wooden movable window lower frame 1 is lowered toward the inner peripheral side of the upper end portion of the wooden base frame 5 in the vertical width direction. Therefore, the height of the daylighting window rising from the roof surface can be reduced.

Further, when the movable window frame 4 and the window glass 3 are closed, an airtight space 14 is formed between the window supporting lower frame 6 and the wooden movable window lower frame 1. This airtight space 14
Has a heat insulating effect, and it becomes more difficult for dew condensation to occur on the indoor side of the wooden movable window lower frame 1. In addition, the above wooden movable window lower frame 1
The water flowing out from the drain groove 13 provided in the above is received by the water receiver 16 provided in the window support frame 6 in the airtight space 14, and further discharged from the drain hole 17 to the outside.

[0020]

According to the lighting window of the present invention, the wooden base frame 5
Since the wooden movable window lower frame 1 is stepped down and abuts against the notched step portion 7 formed on the inner peripheral side of the upper end portion of the wooden base frame 5 through the airtight packing 8, the wooden movable window lower frame 1 is connected to the upper peripheral portion of the wooden base frame 5 The width of the wooden movable window lower frame 1 protruding into the opening of the wooden base frame 5 becomes smaller by the amount of the stepped side, and the height of the wooden movable window lower frame 1 protruding from the upper end of the wooden base frame 5 increases. Get lower. Therefore, the lighting area of the window glass 3 can be increased, and the height of the lighting window rising from the roof surface can be reduced. Also, airtight packing 8
Maintains airtightness between the wooden movable window lower frame 1 and the wooden base frame 5.

In the daylighting window of the present invention, the upper end portion of the window supporting lower frame 6 is in contact with the lower surface of the movable window upper frame 2 through the airtight packing 9 over the entire circumference of the frame so that the window supporting lower frame 6 and the wooden movable window lower part. When the airtight space 14 is formed between the frame 1 and the frame 1, the airtight space 14 has a heat insulating effect, and dew condensation is less likely to occur on the indoor side of the wooden movable window lower frame 1.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an example of a daylighting window of the present invention.

FIG. 2 is a perspective view showing an installation example of a daylighting window according to FIG.

FIG. 3 is a cross-sectional view showing an example of a conventional daylighting window.

FIG. 4 is a cross-sectional view showing another example of a conventional daylighting window.

[Explanation of symbols]

 1 Wooden movable window lower frame 2 Movable window upper frame 3 Window glass 4 Movable window frame 5 Wooden base frame 6 Window lower support frame 7 Notch step 8 Airtight packing

Claims (2)

[Claims] 1. A wooden foundation frame 5 fixed to the roof of a building.
The under-window support frame 6 fixed to the outer peripheral side of the upper end of the wooden base frame 5, the movable window frame 4 attached to the under-window support frame 6 so as to be openable and closable, and the outer peripheral portion of the movable window frame 4. It is a daylighting window consisting of the supported window glass 3, and the movable window frame 4 is
A movable window upper frame 2 that supports the upper surface of the outer peripheral portion of the window glass 3 and is rotatably connected to the window lower support frame 6, and a lower surface of the movable window upper frame 2 that is attached to the lower surface of the outer peripheral portion of the window glass 3. And a wooden movable window lower frame 1 for supporting the wooden movable window lower frame 1, and a notched step portion 7 is formed on the inner peripheral side of the upper end portion of the wooden base frame 5 so that the wooden movable window lower frame 1 is stepped down and abuts via an airtight packing 8. A daylighting window characterized by being. 2. An upper end portion of the window lower support frame 6 is in contact with the lower surface of the movable window upper frame 2 through the airtight packing 9 over the entire circumference of the frame, and between the window lower support frame 6 and the wooden movable window lower frame 1. The daylighting window according to claim 1, wherein an airtight space 14 is formed in the interior.