JP3255252B2 - Sash window frame - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a window frame of a sash, and more particularly to a window frame in which the exterior surface of a sash frame and the outer wall surface of a building can be flush with each other.

[0002]

2. Description of the Related Art FIG. 7 shows a sash window frame which is used in such a manner that the outdoor surface of a window frame is positioned on the indoor side from the outer wall surface of a building, and the external surface of the window frame is sealed with the building. As shown, the upper frame 1 and the left and right vertical frames 3 are provided at the indoor and outdoor end portions of the base walls 1a, 3a at the indoor side walls 1c, 3c, the outdoor side wall 1d,
3d, and the projected widths of the indoor side walls 1c, 3c and the outdoor side walls 1d, 3d opposing each other at the tips 1e, 1f, 3e, 3f protruding outward from the base walls 1a, 3a. Room-side locking part 1 bent in a hook shape toward the center in the direction
g, 3g and the outdoor locking portions 1h, 3h, the end surfaces of the indoor locking portions 1g, 3g and the outdoor locking portions 1h, 3g respectively form the same surface in the frame width direction, and , Upper frame 1
The left and right end faces of the vertical frame 3 abut against the base wall 3a of the vertical frame 3.

[0003]

By the way, in recent years, in a building or the like, in order to obtain a neat appearance, the exterior surface of the sash window frame and the exterior wall surface of the building have been made flush with each other. In order to satisfy this requirement, the exterior (B) of the sash window frame and the exterior wall surface 21 of the building are flush with each other by using the above-described window frame, and a sealing (primary sealing) 23 is provided between the building and the building. When it is applied, the outdoor side locking portion 1h of the upper frame 1
The sealing function is good because the sealing area is large, but the upper frame 1 is only up to the base wall 3a of the vertical frame 3, and from there to the end face of the vertical frame 3, Since the sealing is performed between the projecting portion 3f and the building, the sealing area is only the thickness of the projecting portion 3f of the vertical frame 3, and the sealing function is poor. Further, in both the upper frame 1 and the vertical frame 3, there is a problem that the space between the base walls 1a, 3a and the building frame 6 is wide, and the secondary sealing cannot be performed, so that it cannot be used. It is sufficient to make a sash window frame for the same surface exclusively, but there is a problem that the cost is high. SUMMARY OF THE INVENTION An object of the present invention is to divert a sash window frame which is usually used such that an outdoor surface of a window frame is positioned closer to a room than an outer wall surface of the building and a seal is provided between the window frame and the outdoor surface of the window frame. Accordingly, it is an object of the present invention to provide a sash window frame in which the outdoor surface of the sash window frame and the outer wall surface of the building can be flush with each other.

In order to solve the above-mentioned problems, the present invention provides an upper frame and left and right vertical frames provided with an indoor side wall and an outdoor side wall at the indoor and outdoor end portions of a base wall, respectively. A room-side locking portion and a room-side locking portion, which are opposite to each other and bent in a hook shape toward the center of the frame in the width direction of the frame, are provided at the distal end of the protruding portion of the outdoor wall protruding outward from the base wall, The end surfaces of the inner locking portion and the outdoor locking portion are the same in the frame width direction, and the left and right end surfaces of the upper frame and the lower frame are in contact with the base wall of the vertical frame. In the frames, a common auxiliary frame is provided on the upper frame and the left and right vertical frames, respectively, and a locking step provided at its outdoor end is provided inside the outdoor locking portion of each frame.
Attach and attach the seal material across the entire length, and extend both ends of the auxiliary frame of the upper frame to the vicinity of the end of the vertical frame through the notch provided on the upper wall of the vertical frame. A sealing material sandwiched between the upper frame and the corresponding auxiliary frame, with the end face of the auxiliary frame of the upper frame butted against the back surface of the auxiliary frame of the vertical frame via an end face sealing material.
And the sealing material sandwiched between the left and right vertical frames and the corresponding auxiliary frames
It is characterized in that the end face sealing material is used for continuous connection.

[0005]

According to the above structure, since the auxiliary frame of the upper frame is extended to the vicinity of the end face of the vertical frame, the primary sealing is provided between the upper frame and the upper surface of the outdoor locking portion. From the base wall of the vertical frame to the vicinity of the end face of the vertical frame, it can be applied over a wide area with the auxiliary frame, respectively, and the primary sealing function becomes better than before. In addition, the seal material is sandwiched between the vertical frame and the upper frame and the corresponding stepped portion of the auxiliary frame, and the auxiliary frame end face of the upper frame is attached to the back of the vertical frame auxiliary frame. - upper frame by bonding through a sealing material, between the corresponding auxiliary frame and the left and right vertical frame
Because the sandwiched seal material is continuous , even if rainwater enters beyond the primary sealing, it will enter the space enclosed by the upper frame, the base walls of the left and right vertical frames, the room, and the outside wall. Does not invade, as if each frame was formed integrally with the auxiliary frame, there is no need to make a new window frame material for the same surface, the existing sash frame is diverted to the same surface sash And the cost can be reduced. In addition, by mounting the auxiliary frame on the upper frame and the left and right vertical frames, the distance from the frame can be shortened, and the secondary sealing can be performed.

[0006]

In FIG. 5, the upper and lower frames 1 and 2 have left and right ends respectively framed by cutout steps 3b of left and right vertical frames 3, and the end surfaces 1b and 2b are base walls of the vertical frame 3. 3a, upper frame, lower frame 1,
2 are hermetically butt-joined via a seal material 5 (FIG. 4) conforming to the shape of the end face portion. As shown in FIGS. 1 and 3, the upper frame 1 and the left and right vertical frames 3 are respectively provided on the interior walls of the base walls 1 a and 3 a and on the indoor and outdoor ends at the interior side walls 1 c and 3.
c, outdoor walls 1d and 3d, and the indoor and outdoor walls 1
c, 3c, 1d, 3d project outwards 1e, 1f, 3e from the base walls 1a, 3a toward the opening inner surface 7 of the frame 6.
3f protrudes. The protrusions 1e, 1f, 3e, 3
At the front end of f, hook-shaped indoor-side locking portions and outdoor-side locking portions 1g, 1h, 3g, and 3h face each other toward the center in the frame width direction (the center of the indoor and outdoor widths). It is provided. The indoor side locking portions 1g, 3g, and the outdoor side locking portion 1
h, 3h have the same length in the indoor and outdoor directions,
The end surfaces facing each other form the same surface in the frame width direction. In the indoor side locking portions 1g, 3g and the outdoor side locking portions 1h, 3h, the outdoor side surfaces B of the upper frame 1 and the left and right vertical frames 3 are not the same as the outer wall surfaces of the building (retracted in the indoor direction). ), When sealing the outer wall surface of the building with the outdoor side surface B of the upper frame 1 and the left and right vertical frames 3, it acts as a hooking piece for engaging an anchor fitting connecting the frame and the window frame.

Next, the auxiliary frame 10 mounted on the left and right vertical frames 3 and the upper frame 1 will be described. The auxiliary frame 10 is formed on a vertical step 3 and a locking step portion 11 which extends into the inside of the outdoor locking portions 1 h and 3 h of the upper frame 1. A seal material 14 which exhibits a sealing property by compression, for example, made of a polyvinyl chloride foam is adhered to the locking step portion 11 over the entire length of the auxiliary frame 10. Further, a projection 12 for applying a secondary sealing is formed in the middle of the interior and exterior directions in the mounted state so as to project in the direction of the skeleton 6 over the entire length of the auxiliary frame 10. On the back surface of the auxiliary frame 10, over the entire length thereof, it is locked to the outdoor side end surfaces of the indoor side locking portions 1 g, 3 g, and the outdoor side surface 11 a of the locking step portion 11 is projected to the projecting portion 1 f,
3f, a pressing locking portion 12a pressed toward the indoor side surface;
12b is provided. Here, the pressing and locking portion 12b corresponds to an upper frame of another size smaller in width than the upper frame 1 of this embodiment. Further, a pressing bolt 13 whose front end presses the base walls 1a, 3a is screwed into an intermediate portion in the frame width direction. Accordingly, as shown in FIG. 6, the auxiliary frame 10 is attached to the upper frame 1 and the vertical frame 3 by tilting the auxiliary frame 10 and moving the locking step 11 toward the inside of the outdoor locking portion 1h (3h). In this state, the pressing locking portions 12a and 12b are engaged with the indoor locking portion 1g (3g), and the seal member 14 is moved to the protruding portion 1.
f (3f), and compressed with the screw 15 and then screwed in with the pressing bolt 13
The distal end is pressed against the base wall 1a (3a), the auxiliary frame 10 is lifted in a direction away from the base wall 1a (3a), and faces the inside surface of the locking step 11 with the outdoor locking part 1h (3h). This is performed by pressing the seal material 14 on the surface 11b toward the inner surface of the outdoor-side engaging portion 1h (3h) to compress it.

The auxiliary frame 10 is mounted on the upper frame 1,
Its length is longer than the upper frame 1, that is, as shown in FIGS. 2 and 3, the notch 16 formed on the base wall 3 a of the vertical frame 3 locks the indoor side and the outdoor side of the vertical frame 3. The end face 10a of the auxiliary frame 10 of the upper frame 1 is extended beyond the base wall 3a so that the end face 10a is located slightly before the portions 3h and 3g.
Are joined to the back surface of the auxiliary frame 10 mounted on the vertical frame 3 by projecting upward from the upper end 3j of the vertical frame 3 via an end face seal member 17. Therefore, the outdoor locking portion 3h of the vertical frame 3
And a sealing member 14 for sealing the space between the supporting frame 10 and the corresponding locking step 11 of the auxiliary frame 10, the outdoor locking portion 1h of the upper frame 1 and the locking of the corresponding auxiliary frame 10. Seal between step 11
And the vertical frame 3 of the auxiliary frame 10 attached to the upper frame 1
The sealing step portion protruding from the base wall 3a and the sealing member 14 for sealing the joint surface between the outdoor wall 3h on the upper part of the vertical frame 3 in an airtight manner are connected by an end sealing member 17, Auxiliary frame 10
Thereby, the space surrounded by the base walls 1a, 3a and the protrusions 1e, 1f, 3e, 3f of the indoor and outdoor walls of the upper frame 1, the left and right vertical frames 3 is covered. The auxiliary frame 10 attached to the vertical frame 3
The upper end of the protruding portion 12 has the same seal as the secondary seal.
Metal material 18 is filled.

The window frame A thus constructed has the exterior side surface B identical to the exterior surface 21 of the building exterior wall material 20 and the auxiliary frame 1
The anchor 6 is connected to the frame 6 by locking the anchor metal fitting 25 to the anchor locking piece 10b of No. 0.
, A secondary sealing 22 is applied. Further, the primary sealing 23 is provided between the upper and lower frames 1 and 2 and the left and right vertical frames 3 and the building outer wall material 20. In the right and left portions beyond the base wall 3a of the vertical frame 3, the primary sealing 23 has a large area with the upper surface of the locking step 11 of the auxiliary frame 10 mounted on the upper frame 1, respectively. And the primary sealing 23 becomes good. Then, even if the primary sealing 23 deteriorates due to long-term use and rainwater enters the inside of the primary sealing 23, the auxiliary frame 10 of the upper frame 1, the upper frame 1, and the vertical Since the space between the auxiliary frame 10 and the vertical frame 3 and the space between the auxiliary frame 10 and the auxiliary frame 10 are airtightly held by a seal material, the base walls 1a, 3
a, protrusions 1e, 1f, 3e, 3f of indoor and outdoor walls,
There is no inundation in the space surrounded by the auxiliary frames 10, no rainwater accumulates in this space, and since the secondary sealing 22 is provided, inundation into the room is also prevented.

[0010]

As described above, according to the present invention, the outer surface of the window frame is normally located closer to the room than the outer wall surface of the building, and the seal between the window frame and the building is placed on the outer surface of the window frame. By using the window frame of the sash to be used as it is to be applied, it is possible to obtain a window frame of the sash that can make the outside surface of the sash window frame and the outer wall surface of the building the same surface, thereby reducing costs. Can be.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a window frame of the present application.

FIG. 2 is a partial front view showing a joined state of a vertical frame and an upper frame.

FIG. 3 is a plan view of FIG. 2;

FIG. 4 is an exploded perspective view of a vertical frame, an upper frame, and an auxiliary frame.

FIG. 5 is an overall front view of the window frame.

FIG. 6 is an explanatory view of an operation of attaching the auxiliary frame to the upper frame.

FIG. 7 shows a conventional technique.

[Explanation of symbols]

1 upper frame, 1a · 3a base wall, 1c · 3c indoor side wall,
1d, 3d outdoor side wall, 1e, 1f, 3e, 3f projecting portion, 1g, 3g indoor side locking portion, 1h, 3h outdoor side locking portion, 6 frame, 10 auxiliary frame, 11 locking step, 14
Seal material, 16 notch, 17 end face seal material

Claims (3)

(57) [Claims] 1. An upper frame and left and right vertical frames are provided with an indoor side wall and an outdoor side wall at indoor and outdoor end portions of respective base walls,
The interior side wall and the exterior side wall, at the tips of the protruding portions projecting outward from the base wall, oppose each other and bend in a hook shape toward the center of the width of the frame in the width direction of the frame. The end faces of the indoor side locking portion and the outdoor side locking portion respectively form the same surface in the frame width direction, and the left and right end surfaces of the upper frame and the lower frame abut against the base wall of the vertical frame. In a window frame of a certain sash, a common auxiliary frame is provided on the upper frame and the left and right vertical frames, respectively, and a locking step provided at its outdoor end is provided with an auxiliary frame inside the outdoor locking portion of each frame. Attach and attach the seal material across the entire length, and extend both ends of the auxiliary frame of the upper frame to the vicinity of the end of the vertical frame through the notch provided on the upper wall of the vertical frame. And attach the end face of the auxiliary frame of the upper frame to the back of the auxiliary frame of the vertical frame.
Between the upper frame and the corresponding auxiliary frame
Between the seal material sandwiched between the left and right vertical frames and the corresponding auxiliary frames
A window frame for a sash, wherein the sandwiched sealing material is made continuous by the end face sealing material . 2. An auxiliary frame, wherein the auxiliary frame is locked to an end surface of the indoor side locking portion, and a pressing locking portion for pressing the outdoor surface of the locking step toward the indoor surface of the projecting portion of the outdoor wall, and a base wall. 2. A pressing bolt, which acts between the locking step and the pressing step, presses a surface of the locking step portion facing the inner surface of the outdoor locking portion toward the inner surface of the outdoor locking portion. Sash window frame. 3. The sash window frame according to claim 2, further comprising a plurality of press-locking portions corresponding to frames having different frame widths in the frame width direction.