JP3249067B2 - Window frame - Google Patents

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 comprising a metal upper and lower frame and a metal vertical frame mounted on a window opening, and the metal frame. In a window frame provided with a resin upper and lower frame and a resin vertical frame, which cover an exposed portion on the indoor side, a metal frame attached to the window opening portion has an inner peripheral portion. The metal upper frame is fixed to the outer side portion with the outer rail by locking the locking piece provided on the other side with the locking piece provided on the other side and fixing the appropriate portion with screws. The resin upper frame hangs the locking piece on the outdoor side, and the upper rail that becomes the inner rail hangs on the indoor side, and the lower end locking part of the outer rail of the metal upper frame is The metal upper frame has an indoor side extending to the indoor side end of the resin upper frame. While being configured as characterized in that in the interior side of the rail inner provided in the resin upper frame and a resin upper frame and a metal upper frame formed by screws fixed in the polymerization conditions.

In order to achieve the above object, according to the present invention, a metal frame comprising a metal upper and lower frame and a metal vertical frame mounted on a window opening, and an indoor exposed portion of the metal frame are provided. In a window frame provided with a resin frame composed of a resin upper and lower frame and a resin vertical frame to be covered, the metal frame has a locking portion on an inner peripheral surface side thereof, and the resin frame is a member of the metal frame. A locking piece that engages with the stop portion, and is screw-fixed to the metal frame from the inner peripheral surface side of the metal frame, and the metal upper frame is a hanging piece that becomes an outer rail on the outdoor side. The resin upper frame has a hanging piece hanging down on the outdoor side and the upper rail serving as an inner rail is hanging down on the indoor side, and the lower end locking portion of the outer rail of the metal upper frame has a resin upper frame. The metal upper frame has its indoor side extending to the indoor side end of the resin upper frame, and It is configured as characterized in that is screwed in the polymerized state and the resin upper frame and a metal upper frame in a room side of the rail inner provided.

According to a third aspect of the present invention, in the first or second aspect of the present invention, the resin upper frame is a hanging piece in which a locking piece at an outdoor portion serves as an outer rail of the metal upper frame. In addition to being locked by the lower end locking portion, the upper rail serving as the inner rail is screwed to the metal upper frame at the indoor side of the upper rail.

[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 made of an aluminum upper frame body 21b.
The aluminum lower frame 22 has a hanging piece 21a at a position corresponding to the lower rail 22b on the outdoor side. The hanging piece 21a is integrated with a locking piece 31b of the resin upper frame 31, which will be described later, to form an outer upper rail on the outdoor side. The tip of the hanging piece 21a is formed in a substantially J-shape on the indoor side to form a locking portion, and the locking piece 31b
Lock. 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 is composed of a resin upper frame main body 31a provided along the aluminum upper frame 21, an engaging piece 31b hanging down from the resin upper frame main body 31a, an upper rail 31c and a rising piece 31d. I have. The locking piece 31b is
The leading end is locked by the tip locking portion of the hanging piece 21a of the aluminum upper frame 21, and if necessary, the lower end is partially swaged to strengthen the connection between the two. Upper rail 31c and rising piece 31 in resin upper frame body 31a
The interior end of the aluminum upper frame main body 21b that constitutes the aluminum upper frame 21 extends in a region between the upper and lower ends d, and screw holes 31e are formed at appropriate intervals along the longitudinal direction thereof. The resin upper frame 31 has a window opening in a state of being overlapped with the aluminum upper frame 21 by the screws 6 inserted into the screw holes 31e in a state where the locking pieces 31b are locked to the hanging pieces 21a of the aluminum upper frame 21. It is fixed to the part A. In this case 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.

The embodiment of the present invention has 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 embodiment, the embodiment of the present invention is realized for all the frame members of the window frame. However, it is not always necessary to apply this to all the frame members of the window frame. . In addition, the concept of “screw 4, 6, 7” 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.

[0019]

As described above, according to the present invention, since the resin frame is attached to the metal frame mounted on the window opening from the inner peripheral side, the window frame is attached to the window opening. It is possible to replace only the resin frame by simply removing the fixing screw in the installed state, and as a result, it is possible to improve the maintainability of the composite window frame.

Further, according to the present invention, the lower end of the outer rail of the metal upper frame locks the locking piece of the resin upper frame, and the indoor side of the metal upper frame extends to the indoor side end of the resin upper frame. Because the resin upper frame and the metal upper frame are fixed by screws at the indoor side of the inner rail of the resin upper frame, the outdoor side receives the resin locking pieces on the metal rail, and Since the metal upper frame and the resin upper frame are fixed by screws, there is an effect that an integrated resin upper frame from the indoor side to the outdoor rail can be attached to the inner peripheral surface of the metal upper frame. Further, the indoor side portion of the metal upper frame extends to the indoor side end portion of the resin upper frame, and the metal upper frame and the resin upper frame are screw-fixed in an overlapped state at the indoor side portion. There is an effect that it can be integrally and firmly attached to the window opening together with the upper frame.

According to the third aspect of the present invention, in the resin upper frame, the locking pieces at the outdoor portion are locked by the lower locking portions of the outer rails of the metal upper frame, and the inner rails are locked. Since the upper metal frame is screw-fixed to the upper metal frame on the indoor side, there is an effect that attachment and detachment of the upper resin frame to and from the metal upper frame can be extremely easily performed by locking and screw fixing.

[0022]

[0023]

[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.

[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 21a Hanging piece 21b Aluminum upper frame body 22 Aluminum lower frame 23, 24 Aluminum vertical frame 31 Resin upper frame 31a Resin upper frame main body 31b Locking piece 31c Upper rail 32 Resin lower frame 33, 34 Resin vertical frame 40 Decorative edge

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E06B 1/32

Claims (3)

(57) [Claims] 1. A metal frame comprising a metal upper and lower frame and a metal vertical frame attached to a window opening, and a resin upper and lower frame and a resin vertical frame covering an exposed portion of the metal frame on the indoor side. A window frame provided with a frame, wherein the resin frame is attached to the metal frame attached to the window opening from the inner peripheral portion thereof, and the resin frame is attached to the locking portion provided on one side and the other While locking the provided locking piece,
The metal upper frame has a hanging piece that becomes an outer rail on the outdoor side, the resin upper frame has a locking piece hanging on the outdoor side, and the inner rail has an inner rail on the indoor side. The upper rail is suspended, the lower end locking portion of the outer rail of the metal upper frame locks the locking piece of the resin upper frame, and the indoor side portion of the metal upper frame is on the indoor side of the resin upper frame. A window frame extending to an end, wherein a resin upper frame and a metal upper frame are screw-fixed in a superposed state at an indoor side of an inner rail provided on the resin upper frame. 2. A resin frame comprising a metal upper and lower frame and a metal vertical frame mounted on a window opening, and a resin upper and lower frame and a resin vertical frame covering an exposed portion of the metal frame on the indoor side. In the window frame provided with a frame, the metal frame includes a locking portion on the inner peripheral surface side, and the resin frame includes a locking piece that engages with the locking portion of the metal frame, The metal frame is fixed by screws to the metal frame from the inner peripheral surface side, the metal upper frame has a hanging piece serving as an outer rail hanging on the outdoor side, and the resin upper frame is engaged with the outdoor side. The stopper piece is hung down, the upper rail serving as an inner rail is hung down on the indoor side, and the lower end locking portion of the outer rail of the metal upper frame locks the locking piece of the resin upper frame. The upper frame extends from the indoor side to the indoor end of the resin upper frame, and the resin upper frame extends on the indoor side of the inner rail provided on the resin upper frame. And a metal upper frame fixed by screws in a superposed state. 3. The upper resin frame has a locking piece at an outdoor portion locked by a lower locking portion of a hanging piece serving as an outer rail of the metal upper frame, and a chamber of an upper rail serving as an inner rail. The window frame according to claim 1, wherein the inner side portion is fixed to the metal upper frame with screws.