Opening device

Abstract

To provide an opening device that allows a window to be installed even if the depth of the picture frame is insufficient. [Solution] The window comprises a window 1, extension frames 2a, 2b, 2c, 2d, and a reinforcing member 3. The extension frames 2a, 2b, 2c, 2d are attached to the interior side of the frame 4, the window 1 is attached to the inner circumference side of the extension frames 2a, 2b, 2c, 2d, and the reinforcing member 3 is formed in a substantially L-shaped cross section with a short piece 5 and a long piece 6, and is characterized in that the lower surface of the extension frame 2b can be supported by either the short piece 5 or the long piece 6.

Description

Technical Field

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[0001] The present invention relates to an opening device installed in an opening of a building.

Background Art

[0002] Conventionally, an inner window may be installed to improve the heat insulation of a window, but there are cases where the inner window cannot be installed because the expected dimension of the frame is insufficient.

Summary of the Invention

Problems to be Solved by the Invention

[0003] In view of the above-described circumstances, an object of the present invention is to provide an opening device capable of installing a window even when the expected dimension of the frame is insufficient.

Means for Solving the Problems

[0004] The opening device according to the invention described in claim 1 for achieving the above object includes a window, a fukashi frame, and a reinforcing member. The fukashi frame is attached to the indoor side of the frame, the window is attached to the inner peripheral side of the fukashi frame, the reinforcing member is formed in a substantially L-shaped cross section with a short piece and a long piece, and the lower surface of the fukashi frame can be received by either the short piece or the long piece.

Effects of the Invention

[0005] The opening device according to the invention described in claim 1 includes a window, a fukashi frame, and a reinforcing member. The fukashi frame is attached to the indoor side of the frame, the window is attached to the inner peripheral side of the fukashi frame, the reinforcing member is formed in a substantially L-shaped cross section with a short piece and a long piece, and the lower surface of the fukashi frame can be received by either the short piece or the long piece. Therefore, even when the expected dimension of the frame is insufficient, a window can be installed, and the fukashi frame can be prevented from sagging due to the weight of the window. Further, by changing the orientation of the reinforcing member according to the protruding dimension from the wall of the frame and the expected dimension of the fukashi frame, it is possible to cope with various fits, and the usability is good.

Brief Description of the Drawings

[0006] [Figure 1] This is a longitudinal cross-sectional view showing one embodiment of the opening device of the present invention. [Figure 2] This is a vertical cross-sectional view showing a magnified view of the lower frame side of the inner window of the opening device. [Figure 3] This is a view from the direction of arrow X in Figure 2. [Figure 4] This is a cross-sectional view showing the vertical extension frame of the opening device. [Figure 5-1] This is a perspective view showing the procedure for installing the reinforcing material. [Figure 5-2] This is a perspective view showing the procedure for installing the reinforcing material (continuation of Figure 5-1). [Figure 6] This is a longitudinal cross-sectional view showing how the front cover is attached to the reinforcing material. [Figure 7] This is a longitudinal cross-sectional view showing another example of the interior window installation. [Figure 8] This is a cross-sectional view showing the vertical extension material in the configuration shown in Figure 7. [Figure 9] This is a vertical cross-sectional view showing how the front cover is attached to the reinforcing material in the configuration shown in Figure 7. [Figure 10] This is a longitudinal cross-sectional view showing another example of the interior window installation. [Figure 11] This is a cross-sectional view showing the vertical extension material in the configuration shown in Figure 10. [Figure 12] This is a longitudinal cross-sectional view showing another example of the installation of reinforcing materials. [Modes for carrying out the invention]

[0007] The embodiments of the present invention will be described below with reference to the drawings. Figures 1 to 4 show one embodiment of the opening device of the present invention. As shown in Figure 1, this opening device improves thermal insulation performance by providing an inner window (window) 1 on the indoor side of a window opening 8 on which an existing outer window 7 is attached on the outdoor side. In this opening device, when installing the inner window 1, the depth of the existing frame 4 is insufficient to secure space for the inner window 1. Therefore, extension frames 2a, 2b, 2c, and 2d are provided on the interior side of the existing frame 4 on all four sides, and the inner window 1 is installed spanning the interior sides of the frame 4 and the extension frames 2a, 2b, 2c, and 2d. Furthermore, in this opening device, a reinforcing material 3 is provided on the interior side of the wall (interior wall) 9, and the lower surface of the extension frame (lower extension frame) 2b is supported by the reinforcing material 3, preventing the extension frame 2b from sagging under the weight of the inner window 1.

[0008] As shown in Figures 1 and 4, a wooden frame 4 is provided around the window opening 8, and an upper extension frame 2a, a lower extension frame 2b, and vertical extension frames 2c and 2d are attached to the interior sides of the frame 4 by screwing them in with screws 10 from the interior side. As shown in Figures 2 and 4, the upper extension frame 2a, the lower extension frame 2b, and the vertical extension frames 2c and 2d each consist of an extension frame body 31 made of an extruded aluminum alloy profile and a resin cover material 32 that covers the outer and interior sides of the extension frame body 31. By attaching the cover material 32, the through holes 30 for the screws 10 in the extension frame body 31 are hidden (see Figure 2). The longitudinal ends of the upper extension frame 2a and the lower extension frame 2b, and the longitudinal ends of the left and right vertical extension frames 2c and 2d are covered by corner caps 11, as shown in Figure 3.

[0009] As shown in Figure 1, the inner window 1 is constructed by attaching the upper frame 12, lower frame 13, and left and right vertical frames 14, 14 to the inner sides of the four surrounding frames 4 and extension frames 2a, 2b, 2c, 2d using screws (not shown) from the inner side. The outer sash 15a and inner sash 15b are then attached between the rails of the upper frame 12 and the lower frame 13. The upper frame 12, lower frame 13, and left and right vertical frames 14, 14 are made of resin profiles. The frames of the outer sash 15a and inner sash 15b are also made of resin profiles.

[0010] The reinforcing member 3 is made of an extruded aluminum alloy profile and, as shown in Figure 2, is formed into a roughly L-shaped cross section with a short piece 5 and a long piece 6. The short piece 5 and the long piece 6 are formed with protrusions 17 and 18, respectively, for attaching the front cover 16, which will be described later. Depending on the installation of the inner window 1, the reinforcing member 3 can be installed in two ways: one where the long piece 6 supports the lower extension frame 2b and the short piece 5 abuts against the wall 9 and is fixed to the building structure 20 with screws 19 from the interior side (see Figures 2, 10, and 12); and another where the short piece 5 supports the lower extension frame 2b and the long piece 6 abuts against the wall 9 and is fixed to the building structure 20 with screws 19 from the interior side (see Figure 7). To this end, as shown in Figure 5-1(a), the reinforcing member 3 has pre-formed screw insertion holes 21 at predetermined intervals in both the short piece 5 and the long piece 6 so that it can be attached to the wall 9 using either the short piece 5 or the long piece 6.

[0011] Figures 2 and 4 show the case where the projection dimension A of the frame 4 from the wall 9 is 14 to 20 mm, and the projection dimension B of the extension frames 2a, 2b, 2c, and 2d is 40 mm. In this case, the reinforcing member 3 supports the lower extension frame 2b with its long piece 6, and the short piece 5 abuts against the wall 9 and is fixed to the building structure 20 with screws 19 from the interior side. Figures 7 and 8 show the case where the protrusion dimension A from the wall 9 of the picture frame 4 is 8 to 13 mm, and the depth dimension B of the extension frames 2a, 2b, 2c, and 2d is 40 mm. In this case, the reinforcing member 3 supports the lower extension frame 2b with its short piece 5, and the long piece 6 abuts against the wall 9 and is fixed to the building structure 20 with screws 19 from the interior side. Figures 10 and 11 show the case where the projection dimension A of the picture frame 4 from the wall 9 is 8 to 20 mm, and the projection dimension B of the extension frames 2a, 2b, 2c, and 2d is 70 mm. In this case, the reinforcing member 3 supports the lower extension frame 2b with its long piece 6, and the short piece 5 abuts against the wall 9 and is fixed to the building structure 20 with screws 19 from the interior side. If there is a gap between the lower surface of the lower extension frame 2b and the reinforcing material 3, adjust by inserting a spacer 22 as shown in Figure 12 to eliminate the gap. If the depth B of the extension frames 2a, 2b, 2c, and 2d is 40 mm, the inner window 1 is installed spanning the frame 4 and the inner circumference of the extension frames 2a, 2b, 2c, and 2d (see Figures 2 and 7). However, if the depth B of the extension frames 2a, 2b, 2c, and 2d is 70 mm, the inner window 1 is installed only on the inner circumference of the extension frames 2a, 2b, 2c, and 2d (see Figures 10 and 12).

[0012] At the longitudinal end portions of the reinforcing member 3, as shown in FIGS. 2 and 3, end covers 23 are attached. The end cover 23 is made of resin and has a substantially right-angled triangular plate-like portion 24 that covers the mouth 3a of the reinforcing member 3, two screwing portions 25, 25 provided so as to abut against the surfaces of the short piece 5 and the long piece 6 of the reinforcing member 23 respectively, and a supporting piece 26 that supports the front cover 16 from the inside. The plate-like portion 24 covers not only the mouth 3a of the reinforcing member 3 but also the mouth of the front cover 16. As shown in FIG. 5-2(c), insertion holes 27 for screws 19 are provided in the two screwing portions 25, 25 respectively. As shown in FIGS. 2 and 7, the end cover 23 is arranged by abutting the plate-like portion 24 against the mouth 3a of the reinforcing member 3 in accordance with the orientation of the reinforcing member 3, and the screwing portions 25 are fastened together with the short piece 5 or the long piece 6 of the reinforcing member 3 and the screw 19 to the housing 20 for attachment.

[0013] Also, as shown in FIGS. 2 and 3, a front cover 16 is attached to the indoor side of the reinforcing member 3, and the front cover 16 hides the reinforcing member 3 so that it cannot be seen when viewed from the indoor side. The front cover 16 is made of resin and has a hook-shaped engaging portion 28 that engages with the protrusion 17 of the short piece 5 of the reinforcing member 3 and a locking piece 29 that locks to the protrusion 18 of the long piece 6 of the reinforcing member 3. The front cover 16 is attached between the left and right end covers 23, 23 as shown in FIG. 3.

[0014] Next, the procedure for attaching the reinforcing member 3, the end cover 23, and the front cover 16 will be described. First, as shown in FIG. 5-1(a), according to the protruding dimension A from the wall 9 of the frame 4 and the expected dimension B of the lower casing frame 2b, either one of the short piece 5 or the long piece 6 of the reinforcing member 3 (the long piece 6 in the illustrated example) is abutted against the lower surface of the lower casing frame 2b, and the other piece 5 or 6 (the short piece 5 in the illustrated example) is abutted against the wall 9. A screw 19 is inserted through the insertion hole 21 (excluding the insertion holes 21 at both ends) formed in the other piece 5, and the other piece 5 is screwed to the wall 9. Next, as shown in FIG. 5-1(b), the end cover 23 is applied laterally to the mouths 3a at both ends of the reinforcing member 3 in the orientation corresponding to the orientation of the reinforcing member 3. Next, as shown in Fig. 5-2(c), insert a screw 19 through the screw portion 25 of the end cover 23 and the insertion holes 27 and 21 formed in the other piece 5 of the reinforcing member 3, and screw the end cover 23 to the wall 9 together with the other piece 5 of the reinforcing member 3. After that, attach the front cover 16 between the left and right end covers 23, 23 from the indoor side of the reinforcing member 3. When the front cover 16 is supported by the long piece 6 on the fukashi frame 2, as shown in Fig. 6, after engaging the engaging portion 28 of the front cover 16 with the projection 17 of the short piece 5 from the indoor side, rotate the engaging portion 28 counterclockwise about the fulcrum to lock the locking piece 29 to the projection 18 of the long piece 6 for attachment. When the fukashi frame 2 is supported by the short piece 5, as shown in Fig. 9, after engaging the engaging portion 28 of the front cover 16 with the projection 17 of the short piece 5 from below, rotate the engaging portion 28 clockwise about the fulcrum to lock the locking piece 29 to the projection 18 of the long piece 6 for attachment.

[0015] As described above, this opening device includes a window (inner window) 1, fukashi frames 2a, 2b, 2c, 2d, and a reinforcing member 3. The fukashi frames 2a, 2b, 2c, 2d are attached to the indoor side of the frame 4, the window 1 is attached to the inner peripheral side of the fukashi frames 2a, 2b, 2c, 2d, and the reinforcing member 3 is formed in a substantially L-shaped cross section with a short piece 5 and a long piece 6. Since the lower surface of the fukashi frame (lower fukashi frame) 2b can be supported by either the short piece 5 or the long piece 6 (see Figs. 2, 7, 10, 12), the window 1 can be installed even when the expected dimension of the frame 4 is insufficient, and the fukashi frame 2b can be prevented from sagging due to the weight of the window 1. Furthermore, by changing the orientation of the reinforcing member 3 according to the protruding dimension A of the frame 4 from the wall 9 and the expected dimension B of the fukashi frames 2a, 2b, 2c, 2d, it is possible to accommodate various arrangements, resulting in good usability. This opening device includes a front cover 16 attached to the reinforcing member 3. The front cover 16 hides the reinforcing member 3 so that it cannot be seen from the indoor side (see Figs. 2, 7, 10, 12), thereby improving the design of the interior appearance. This opening device is equipped with an end cover 23 that conceals the small end 3a of the reinforcing material 3. The end cover 23 has two screw fastening points 25, and by screwing one of the screw fastening points 25 to the building structure 20 depending on the orientation of the reinforcing material 3 (see Figures 2, 7, 10, and 12), the reinforcing material 3 is not visible from the side, further improving the aesthetic appearance of the interior. Furthermore, the same end cover 23 can be attached regardless of the orientation of the reinforcing material 3, making it easy to use. In this opening device, the front cover 16 is mounted between the left and right end covers 23, 23 (see Figure 3), making it easy to install the front cover 16.

[0016] The present invention is not limited to the embodiments described above. The cross-sectional shape and material of the extension frame and reinforcing material can be changed as appropriate. The window configuration is arbitrary. End covers and front covers can be omitted. [Explanation of symbols]

[0017] 1. Interior window (window) 2a, 2b, 2c, 2d Exaggerated frame 3. Reinforcement material 4 Picture Frames 5 short pieces 6 long piece

Claims

[Claim 1] An opening device comprising a window, a furring frame, and a reinforcing member, wherein the furring frame is attached to the interior side of the frame, the window is attached to the inner circumference side of the furring frame, and the reinforcing member is formed in a substantially L-shaped cross section with a short piece and a long piece, so that the lower surface of the furring frame can be supported by either the short piece or the long piece.

Images