JP2000192733A - Window frame - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance the maintainability of a composite window frame comprising aluminum frames and resin frames by enabling only the resin frames to be replaced while the window frame is held in an installed condition. SOLUTION: This window frame comprises metallic frames 23, 24 mounted in a window opening A and resin frames 33 covering the portions of the metallic frames exposed indoors. The resin frames 33, 34 are added to the metallic frames 23, 24 mounted in the window opening A and the metallic frames 23, 24 have locking parts 21a, 22c, 23a, 24b on their respective inner peripheral surfaces. The resin frames 33, 34 have locking piece 31b, 32b, 33b, 34b for engagement with the locking parts of the metallic frames 23, 24 and have fixed parts 31a, 32a, 33a, 34a screwed to the metallic frames from the inner peripheral surfaces of the metallic frames.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is to prevent dew condensation on a metal frame mounted on an opening of a building by covering an exposed portion of the metal frame with a resin frame, and to visually prevent the metal frame from forming. The present invention relates to a window frame for eliminating coldness.

[0002]

2. Description of the Related Art In recent years, a composite window frame 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 has been considered. This is because the indoor side of the metal frame is covered with a resin whose thermal conductivity is extremely low compared to the metal, thereby improving the heat insulation of the sash window and suppressing the condensation on the indoor side, and The aim is to improve the design by eliminating visual coldness and at the same time integrating it with interior decoration. Such a composite window frame is installed in a window opening in a state where a resin frame is attached to a metal frame and the window frame is completed.

[0003]

On the other hand, resin frames are less susceptible to aging and external impacts than metal frames made of aluminum or the like, and may be discolored or damaged. , Sometimes it needed to be replaced. On the other hand, when the interior decoration is changed in order to provide the resin frame with the interior decoration, it may be necessary to replace the resin frame at the same time with the interior decoration. However, conventionally, even when the resin frame is replaced,
It is necessary to remove the entire window frame including the metal frame from the window opening, and there is a problem that workability is extremely poor.

The present invention has been made in view of the above-mentioned conventional problems, and allows only the resin frame to be replaced while the window frame is installed in the window opening. The purpose is to improve the maintainability of composite window frames.

[0005]

According to the first aspect of the present invention, there is provided a metal frame mounted on a window opening, and a resin frame covering an indoor exposed portion of the metal frame. In the window frame provided with the above, the resin frame is attached to the metal frame mounted on the window opening from the inner peripheral portion thereof, and the resin frame is provided on the locking portion provided on one side and the other. The locking piece is locked, and an appropriate position is fixed with a screw.

According to a second aspect of the present invention, there is provided a window frame having a metal frame mounted on a window opening and a resin frame covering an exposed portion of the metal frame on the indoor side. The metal frame includes a locking portion on an inner peripheral surface side thereof, and the resin frame includes a locking piece that engages with the locking portion of the metal frame, and an inner peripheral surface of the metal frame. And a fixing portion that is screw-fixed to the metal frame from the side.

According to a third aspect of the present invention, in the second aspect of the present invention, the resin frame includes a rising piece on the indoor side for covering a gap between the window sash and the window frame. Is also characterized in that the fixing portion is located on the outdoor side.

[0008]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 is a cross-sectional view of a sliding window to which the window frame of the present invention is applied, as viewed from the indoor side, FIG. 2 is a vertical cross-sectional view thereof, FIG. 3 is a cross-sectional view corresponding to FIG. FIG. 4 is a longitudinal sectional view corresponding to FIG. 2 with the window shoji removed. In each of these drawings, the sliding window of the present invention is one in which a pair of window sashes 10 are freely pulled into a window frame 1 composed of upper and lower frames and left and right vertical frames mounted on a window opening A. It is.

Each of the frame members forming the window frame 1 is a composite frame member, and is composed of an aluminum frame 2 serving as a base and a resin frame 3 that covers an exposed portion on the indoor side. That is, the aluminum frame 2 is configured by forming an aluminum upper frame 21, an aluminum lower frame 22, and aluminum vertical frames 23 and 24 into a rectangular frame.
Are resin upper frame 31, resin lower frame 32, resin vertical frames 33, 34
Is framed in a square. The resin upper frame 31 is attached to the aluminum upper frame 21, the resin lower frame 32 is attached to the aluminum lower frame 22, the resin vertical frame 33 is attached to the aluminum vertical frame 23, and the resin vertical frame 34 is attached to the aluminum vertical frame 24. ing. A specific mounting method will be described later. The aluminum frame 2 is molded from an extruded aluminum material, and the resin frame 3 is molded from vinyl chloride or acrylic resin. In addition, wood powder or the like can be mixed into these resin materials to give an appearance as if they were made of wood.

On the other hand, each window shoji 10 has a double-glazed glass 12 inside a frame 11 which is formed by vertically and vertically and horizontally framed frames.
I will put in. Similarly to the window frame 1, each frame member constituting the frame body 11 is also composed of an aluminum frame 13 and a resin frame 14 attached so as to cover an exposed portion on the indoor side.
That is, the resin upper frame 14a becomes the aluminum upper frame 13a,
Resin lower frame 14b is aluminum lower frame 13b, resin vertical frame 14c
Is aluminum vertical frame 13c, resin vertical frame 14d is aluminum vertical frame 1.
3d, respectively. One of the aluminum vertical frames of the window sash 10 on the outdoor side is not exposed to the indoor side, so no resin frame is attached to this portion.

As shown in FIGS. 2 and 4, the aluminum lower frame 22 has an inner peripheral surface formed in a step shape, and the lower rail 22a on the outdoor side and the lower rail 2 on the indoor side are formed from that surface.
2b is formed to protrude. An inverted L-shaped rising piece 22c is formed at the indoor end of the aluminum lower frame 22. This prevents the lower half of the lower rail 22b from being exposed to the indoor surface.

The resin lower frame 32 is provided with the lower rail 2 on the indoor side.
It is installed so as to cover the inner peripheral surface of the aluminum lower frame 22 on the indoor side further than 2b. As is apparent from each of the drawings, the resin lower frame 32 is a resin lower frame main body 32a housed in a groove C formed by the lower rail 22b and the rising piece 22c.
And an inverted L-shaped engaging piece 32b provided along the rising piece 22c of the aluminum lower frame 22. The distal end of the locking piece 32b of the resin lower frame 32 is bent downward, and engages with the rising piece 22c of the aluminum lower frame 22 with the resin lower frame main body 32a accommodated in the groove C. Screw holes 32c are formed in the hanging pieces of the resin lower frame main body 32a at appropriate intervals in the longitudinal direction.
, The screw 4 is screwed into the lower frame 22 to connect the aluminum lower frame 22 and the resin lower frame 32. The screw 4 can be inserted and screwed into the hole 5 formed on the inner peripheral surface side of the aluminum lower frame 22. The worker turns his hand from the indoor side to tighten and remove the screw.

The aluminum upper frame 21 is provided with a hanging piece 21 at a position corresponding to the outdoor lower rail of the aluminum lower frame 22.
a. The hanging piece 21a is a resin upper frame 3 described later.
Together with one locking piece 31b, it constitutes the upper rail on the outdoor side. The tip of the hanging piece 21a is formed in a substantially J-shape on the indoor side, and locks the locking piece 31b. The resin upper frame 31 is installed so as to cover the inner peripheral surface of the aluminum upper frame 21 on the indoor side of the hanging piece 21a. The resin upper frame 31 includes a resin upper frame main body 31 a provided along the aluminum upper frame 21, a locking piece 31 b suspended from the resin upper frame main body 31 a, and an upper rail 3.
1c and a rising piece 31d. The locking piece 31b has its tip locked to the tip of the hanging piece 21a of the aluminum upper frame 21, and if necessary, its lower end is partially crimped to strengthen the connection between the two. In the region between the upper rail 31c and the rising piece 31d in the resin upper frame body 31a, screw holes 31e are formed at appropriate intervals along the longitudinal direction. Resin upper frame 31
Is the hanging piece 31a of the aluminum upper frame 21.
Is fixed to the window opening A together with the aluminum upper frame 21 by the screws 6 inserted into the screw holes 31e. In this case, the screw 6 is not exposed to the indoor side by the rising piece 31d.

Next, the structure of the left and right vertical frames will be described with reference to FIGS. Vertical aluminum frame 2 on the left side in the figure
Reference numeral 3 denotes a locking projection 2 substantially at the center of the inner peripheral surface in the finding direction.
3a and a rising piece 23b at the indoor end. The locking projection 23a has a tip bent toward the indoor side, and engages with a locking piece 33b of the resin vertical frame 33 described later. The resin vertical frame 33 has an apparent width approximately half that of the aluminum vertical frame 23, and is installed so as to cover the inner peripheral surface of the aluminum vertical frame 23 on the indoor side of the locking projection 23a. Resin vertical frame 3
Reference numeral 3 denotes a resin vertical frame main body 33a abutting on the inner peripheral surface of the aluminum vertical frame 23, a locking piece 33b extending from the outdoor side, and a rising piece 33c extending from the indoor side. The tip of the locking piece 33b is engaged with the locking projection 23a of the aluminum vertical frame 23, and the rising piece 33c is disposed so as to overlap the rising piece 23b of the aluminum vertical frame 23, and the tip thereof is provided. Is bent and engages with the tip of the rising piece 23b. In mounting the resin vertical frame 33, the tip of the rising piece 33c is locked first, and then the locking piece 33b is elastically engaged with the locking projection 23a. A screw hole 33d is formed in the resin vertical frame main body 33a along the longitudinal direction. After the resin vertical frame 33 is installed, the resin vertical frame 33 is fixed to the aluminum vertical frame 23 with the screws 7 from the indoor side.

In the vertical frame on the right side, the aluminum vertical frame 24 has a door stop piece 24a for an indoor window sash on the inner peripheral surface side and a rising piece 24b at an indoor side end. The resin vertical frame 34 is installed so as to cover the inner peripheral surface of the aluminum vertical frame 24 on the indoor side of the door stop piece 24a.
The resin vertical frame 34 is composed of a resin vertical frame main body 34a abutting on the inner peripheral surface of the aluminum vertical frame 24 between the door stop piece 24a and the rising piece 24b, and a rising piece 34b extending from the indoor side. ing. The rising piece 34b is
The aluminum vertical frame 24 is arranged so as to overlap with the rising piece 24b, and its tip is bent to engage with the tip of the rising piece 24b. A screw hole 34c is formed in the resin vertical frame main body 34a along the longitudinal direction, and the resin vertical frame 34 is installed in a state where the tip of the rising piece 34b is locked to the rising piece 24b of the aluminum vertical frame 24. Thereafter, fixing to the aluminum vertical frame 24 is performed by the screw 7 from the indoor side.

As described above, the upper resin frame 31 and the lower resin frame 3
2. Locking pieces 32b respectively provided on the resin vertical frames 33 and 34
As shown in FIGS. 1 and 2, angle pieces (projections) protruding toward the indoor side are provided on the indoor side portions of the rising pieces 31d, 33c, and 34b. The edge 40 is configured to have a sense of unity with the decorative frame 40A provided on the indoor side of the window opening A. In FIG. 1, a screen door 8 is provided outside the window sash 10, and a door stop block 9 is provided at the end of the lower frame in contact with the resin vertical frame 33.

The configuration of each window frame in this embodiment has been described above. As described above, the upper resin frame 31, the lower resin frame 32, and the vertical resin frames 33 and 34 correspond to the upper aluminum frame 21, the lower aluminum frame 22, and the vertical aluminum frames 23 and 24 with respect to the respective locking structures and window frames. It is attached by screws screwed from the inner peripheral surface side. Therefore, when it is necessary to replace these resin frames due to aging or damage due to impact, etc., remove the screws that fix the resin frames and remove the locking parts without removing the aluminum frames. The resin frame is removed from the inner peripheral surface side of the frame and can be replaced.

FIGS. 5 to 7 show examples in which the present invention is applied to a window frame of a trapezoidal bay window. In each of the figures, the window frames 1, 1 of the front window and the side window are each formed of an aluminum frame serving as a base and a resin frame covering an exposed portion on the indoor side, as in the first embodiment described above. The configuration is substantially the same. That is, as shown in FIG. 6, the aluminum frame of the front window has an aluminum upper frame 21, an aluminum lower frame 22,
3 is a rectangular frame, and the resin frame is a resin upper frame 3
1. It has a resin lower frame 32. The resin upper frame 31 is attached to the aluminum upper frame 21, and the resin lower frame 32 is attached to the aluminum lower frame 22.

In FIG. 5 and FIG.
A composite sash composed of an aluminum frame and a resin frame is used in each of the first and second stand members 43. Vertical frame 4
1 comprises an aluminum frame 44 and a resin frame 45;
5 covers the exposed portion on the indoor side. A locking piece 45a is provided at the indoor end of the resin frame 45, and is engaged with the indoor end of the aluminum frame 44, and the resin frame 45 is fixed by screws 46 at a position outside the room. The screw 46 can be operated from the inner peripheral surface side of the window frame, so that the resin frame 45 can be attached and detached after the window frame is installed.

Further, as shown in FIG.
It consists of an aluminum frame 47 and a resin frame 48, and the resin frame 48 covers the exposed portion on the indoor side. Resin frame 48
Is approximately V along the shape of the exposed portion of the aluminum frame 47 on the indoor side.
The locking piece 48a is provided on one side and the screw fixing portion 48b is provided on the other side. The tip of the locking piece 48a
In a state where it is engaged with the locking portion 43a formed on the
The resin frame 48 is fixed to the aluminum frame 47 by screws 49. Similarly to the case of the above-described vertical frame, the screw 49 can be operated from the inner peripheral surface side of the window frame, and therefore, after the window frame is installed, the resin frame 48 can be attached and detached.
From the above, similar to the terrace window, if the front window and side window of the bay window need to be replaced due to aging or damage due to impact, etc., it is necessary to remove the aluminum frame without removing the aluminum frame. Remove the screws that fix the frame,
By releasing the locking portion, the resin frame is removed from the inner peripheral surface side of the window frame, and can be replaced.

The embodiments of the present invention have been described with reference to the drawings. However, the present invention is not limited to the matters described in the above embodiments, and can be changed and improved based on the description in the claims. For example, in the above-described embodiment, the configuration in which the configuration of the present invention is realized for all the frame members of the window frame has been described. However, this is not necessarily applied to all the frame members of the window frame. Further, the concept of “screws 4, 6, 7, 46, 49” described in this specification is used as a fixture including screws, bolts, and the like. The screws 4 and the like may not be used for all of the resin frame 3 and the aluminum frame 2 but may be connected to each other by a locking structure.

[0022]

As described above, according to the first aspect of the present invention, in a terrace window, bay window, or the like, a resin frame is attached to a metal frame attached to a window opening from the inner peripheral side. As a result, it is possible to replace only the resin frame by simply removing the fixing screws while the window frame is installed in the window opening, and as a result, the maintainability of the composite window frame is improved. There is an effect that can be.

Further, according to the present invention, since the fixing portion of the resin frame is not exposed to the indoor side, there is an effect that the decorativeness of the window frame is not impaired.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a sliding window to which the window frame of the present invention is applied, viewed from the indoor side.

FIG. 2 is a longitudinal sectional view of FIG.

FIG. 3 is a transverse sectional view corresponding to FIG. 1 in a state where a window shoji is removed.

FIG. 4 is a longitudinal sectional view corresponding to FIG. 2 with a window shoji removed.

FIG. 5 is a transverse sectional view of a bay window showing an embodiment in which the window frame of the present invention is applied to a trapezoidal bay window.

FIG. 6 is a longitudinal sectional view of FIG.

FIG. 7 is an enlarged view of the setting room in FIG. 5;

[Explanation of symbols]

 A window opening 1 window frame 2 aluminum frame 3 resin frame 4 screw 5 hole 6 screw 7 screw 10 window shoji 11 frame 12 multi-layer glass 13 aluminum frame 14 resin frame 21 aluminum upper frame 22 aluminum lower frame 23,24 aluminum vertical Frame 31 Resin upper frame 32 Resin lower frame 33, 34 Resin vertical frame 40 Decorative edge 41 Vertical frame 43 Square 44 Aluminum frame 45 Resin frame 47 Aluminum frame 48 Resin frame C groove

Claims (3)

[Claims] 1. A window frame having a metal frame mounted on a window opening and a resin frame covering an indoor exposed portion of the metal frame, wherein the metal frame mounted on the window opening is On the other hand, the resin frame is to be attached from the inner peripheral portion thereof, and the locking portion provided on one side is locked with the locking piece provided on the other, and
A window frame characterized by being screwed in place. 2. A window frame comprising a metal frame mounted on a window opening and a resin frame covering an indoor exposed portion of the metal frame, wherein the metal frame is connected to an inner peripheral surface thereof. A fixing portion, wherein the resin frame includes a locking piece that engages with a locking portion of the metal frame, and is fixed to the metal frame by screws from an inner peripheral surface side of the metal frame. And a window frame. 3. The resin frame according to claim 1, further comprising a rising piece on the indoor side for covering a gap between the window shoji and the window frame, and wherein the fixing portion is located on the outdoor side of the rising piece. Item 4. The window frame according to Item 2.