Renovation fixtures

Abstract

To provide a renovation fitting capable of improving workability and water-stopping performance.SOLUTION: A renovation fitting 1 includes: a new frame 2 which is attached to an existing frame 6 provided in an opening of building 100, and which is constituted of four peripheries assembled together; and an attachment frame 3 which is attached to an inner periphery side of the existing frame 6 in a state with four peripheries assembled together being attached onto an outer periphery of the new frame 2.SELECTED DRAWING: Figure 8

Description

Technical Field

[0006] , ,

[0005] , , ,

[0001] The present disclosure relates to refitted building fixtures.

Background Art

[0002] Conventionally, as a method of refitting an opening of a building by renovation or the like, a covering method of installing a new fixture in the opening has been adopted. In the refitted building fixture refitted by this covering method, a new frame is attached to the inner peripheral side of an existing frame attached to the opening of the building (see, for example, Patent Document 1).

[0003] In the refitted building fixture described in Patent Document 1, a joining member is provided between the existing frame and the new frame. The joining member includes an upper frame joining member, a lower frame joining member, and a pair of vertical frame joining members. When attaching the new frame to the existing frame, after screwing the upper frame joining member to the lower part of the existing upper frame, the new frame to which the lower frame joining member and the pair of vertical frame joining members are attached is attached to the inner peripheral side of the existing frame.

Prior Art Documents

Patent Documents

[0004] <00所00019>

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] In the refitted building fixture described in Patent Document l, after screwing the upper frame joining member to the lower part of the existing upper frame, the new frame to which the lower frame joining member and the pair of vertical frame joining members are attached is attached to the inner peripheral side of the existing frame. Therefore, the work becomes complicated and there is room for improving the workability. Further, after screwing the upper frame joining member to the lower part of the existing upper frame, the new frame to which the lower frame joining member and the pair of vertical frame joining members are attached is attached to the inner peripheral side of the existing frame. Therefore, there is room for improving the water-stopping performance at the connection portion between the upper frame joining member and the vertical frame joining member.

[0006] This disclosure aims to provide a remodeling fixture that can improve both workability and water-stopping performance. [Means for solving the problem]

[0007] This disclosure relates to a remodeling joinery that is attached to an existing frame provided in an opening of a building, comprising a new frame constructed by assembling the four sides, and an attachment frame that is attached to the inner side of the existing frame while being attached to the outer periphery of the new frame by assembling the four sides. [Brief explanation of the drawing]

[0008] [Figure 1] This is a front view of the remodeled door / window according to the embodiment, as seen from the outside. [Figure 2] Figure 1 is a vertical cross-sectional view of the renovated building fixture. [Figure 3] Figure 1 is a cross-sectional view of the renovated building fixtures. [Figure 4] This is a perspective view from the outside showing the newly installed frame with the attachment frame attached, installed on the existing frame. [Figure 5] This is a perspective view showing the exterior decorative cover being installed. [Figure 6] This is a perspective view from the inside, showing the newly installed frame with the attachment frame attached, installed on the existing frame. [Figure 7] This is a perspective view showing the installation of interior decorative components and trim pieces. [Figure 8] This is a perspective view showing the newly installed frame, with the attachment frame already in place, being attached to the existing frame. [Figure 9] This is a perspective view showing the attachment frame being installed on the newly constructed frame. [Figure 10] This is an enlarged view of Figure 2. [Figure 11] This is an enlarged view of Figure 3. [Figure 12] This is a cross-sectional view showing the attachment of the upper frame to the newly installed upper frame. [Figure 13]It is a cross-sectional view showing a state where an attachment lower frame is attached to a newly installed lower frame. [Figure 14] It is a cross-sectional view showing a state where one side attachment vertical frame is attached to one side newly installed vertical frame. [Figure 15] It is a cross-sectional view showing a state where the other side attachment vertical frame is attached to the other side newly installed vertical frame. [Figure 16] It is a perspective view showing a state where, in a state where the attachment upper frame and the attachment lower frame are engaged by assembling the four sides of the newly installed frame, one side attachment vertical frame is engaged and fixed with screws. [Figure 17] It is a perspective view showing a state where, in a state where the attachment upper frame and the attachment lower frame are engaged by assembling the four sides of the newly installed frame, the other side attachment vertical frame is engaged and fixed with screws. [Figure 18] It is a perspective view showing the horizontal gutter structure part of the attachment upper frame. [Figure 19] It is a view showing a state where the attachment upper frame is temporarily fixed to the existing frame with screws. [Figure 20] It is a view showing a state where a spacer member is attached to a part where the attachment upper frame is temporarily fixed to the existing frame with screws. [Figure 21] It is a perspective view showing a state where an indoor side decorative member is attached to the newly installed frame. [Figure 22] It is a cross-sectional view showing a state where an indoor side decorative member is attached to the newly installed frame. [Figure 23] It is a perspective view showing a state where a partition material is attached. [Figure 24] It is a longitudinal sectional view showing the lower side of a remodeling fitting according to another embodiment.

Mode for Carrying Out the Invention

[0009] Hereinafter, embodiments of the present disclosure will be described in detail while referring to the drawings. The remodeling fitting 1 according to the present embodiment is a remodeling fitting 1 for reforming by newly installing new members while the existing frame 6 fixed to the building 100 remains attached to the building 100.

[0010] In this specification, the "viewing direction" means the surface direction of the facing material of the shoji 10 in the refitted fitting 1 housed in the opening formed in the wall of the building 100, and the "depth direction" means the thickness direction (i.e., the depth direction) of the facing material. The "depth direction" is also the indoor-outdoor direction. In the drawings, the outdoor side of the refitted fitting 1 is designated as the outdoor side X1, and the indoor side of the refitted fitting 1 is designated as the indoor side X2. The lateral direction of the refitted fitting 1 is referred to as the "left-right direction".

[0011] As shown in FIGS. 1 to 7, the refitted fitting 1 according to the present embodiment is a sliding window type refitted sash housed in the opening of the building 100. The refitted fitting 1 is attached to the existing frame 6 provided in the opening of the building 100.

[0012] As shown in FIGS. 1 to 7, the refitted fitting 1 includes a new frame 2, an attachment frame 3 attached to the inner side of the existing frame 6 in a state of being attached to the outer periphery of the new frame 2, indoor decorative members 41, 42, 43 (cover materials), outdoor decorative covers 51, 52, 53 (cover materials), and shojis 10, 10 slidably housed in the new frame 2. The existing frame 6 is provided in the opening of the building 100. The new frame 2 is attached to the inner side of the existing frame 6 with the attachment frame 3 attached to the outer periphery. The attachment frame 3 is disposed between the existing frame 6 and the new frame 2.

[0013] First, the configuration of the existing frame 6 will be described. As shown in FIGS. 2 and 3, the existing frame 6 is provided inside the opening of the building 100 and is formed in a rectangular framed shape. The existing frame 6 includes an existing upper frame 61, an existing lower frame 62, and left and right existing vertical frames 63.

[0014] As shown in FIG. 2, the existing upper frame 61 is attached to the upper side of the opening of the building 100 and has guide rails 611, 612 for the existing shoji standing upright downward. The portion of the existing upper frame 61 on the indoor side X2 is fixed to the building 100 (the building structure).

[0015] The existing lower frame 62 is attached to the lower side of the opening in the building 100 and has guide rails 621 and 622 for the existing sliding door that are erected upwards. The interior side X2 of the existing lower frame 62 is fixed to the building 100 (structure).

[0016] As shown in Figure 3, the existing vertical frames 63 are attached to the left and right vertical sections on the exterior side X1 of the opening of the building 100. The interior side X2 of the existing vertical frames 63 is fixed to the building 100 (structure).

[0017] As shown in Figures 8 and 9, the new frame 2 is attached to the existing frame 6 with the attachment frame 3 attached to its outer circumference. The new frame 2 is constructed by assembling four sides and is attached to the inner side of the existing frame 6 via the attachment frame 3.

[0018] The new frame 2 comprises a new upper frame 21, a new lower frame 22, and new left and right vertical frames 23. When the new frame 2 is assembled on all four sides, the new upper frame 21, the new lower frame 22, and the new left and right vertical frames 23 are fixed together with screws at the points where they interlock. The attachment frame 3 comprises an attachment upper frame 31, an attachment lower frame 32, and left and right attachment vertical frames 33.

[0019] The newly installed upper frame 21 is attached to the inner side of the existing upper frame 61 with the attachment upper frame 31 sandwiched in between, as shown in Figure 10, when the newly installed frame 2, to which the attachment frame 3 is attached to the outer circumference, is attached to the existing frame 6. The newly installed upper frame 21 has guide rails 211 and 212 on the upper side of the sliding doors 10, 10 which are erected facing downwards.

[0020] The newly installed lower frame 22 is attached to the inner side of the existing lower frame 62 with the attachment lower frame 32 sandwiched in between, as shown in Figure 10, when the newly installed frame 2, to which the attachment frame 3 is attached to the outer circumference, is attached to the existing frame 6. The newly installed lower frame 22 has guide rails 221, 222 on the lower side of the sliding doors 10, 10 which are erected upwards.

[0021] The newly installed vertical frame 23 is attached to the inner side of the existing vertical frame 63 with the attachment vertical frame 33 sandwiched in between, as shown in Figure 11, when the newly installed frame 2, to which the attachment frame 3 is attached on the outer circumference, is attached to the existing frame 6.

[0022] The newly installed upper frame 21, new lower frame 22, and new vertical frame 23 are formed from, for example, metal or resin materials. As shown in Figures 10 and 11, resin angle members 213, 223, and 233 are provided on the indoor side X2 of the newly installed upper frame 21, new lower frame 22, and new vertical frame 23, respectively. The resin angle members 213, 223, and 233 are each positioned with a gap between them and the frame member 101.

[0023] The newly constructed frame 2 (newly constructed upper frame 21, newly constructed lower frame 22, and newly constructed left and right vertical frames 23) is attached to the inner side of the existing frame 6 (existing upper frame 61, existing lower frame 62, and existing left and right vertical frames 63) with the attachment frame 3 (attachment upper frame 31, attachment lower frame 32, and left and right attachment vertical frames 33) assembled around the outer perimeter.

[0024] Attachment frame 3 is attached to the outer perimeter of the new frame 2 by assembling it around all four sides. With attachment frame 3 attached to the outer perimeter of the new frame 2 by assembling it around all four sides, it is then attached to the inner side of the existing frame 6.

[0025] As shown in Figures 8 and 9, the attachment frame 3 is constructed by arranging an upper attachment frame 31, a lower attachment frame 32, and a pair of vertical attachment frames 33 around its four sides to form a rectangle. The upper attachment frame 31, the lower attachment frame 32, and the left and right vertical attachment frames 33 are each made of, for example, aluminum.

[0026] The upper attachment frame 31 is positioned on the top of the attachment frame 3 and extends horizontally. The lower attachment frame 32 is positioned on the lower side of the attachment frame 3 and extends horizontally. The vertical attachment frame 33 is positioned on the left and right ends of the attachment frame 3 and extends vertically.

[0027] As shown in Figure 8, the attachment frame 3 is constructed in a so-called vertically dominant structure, in which the longitudinal end of the attachment vertical frame 33 is positioned outside the longitudinal ends of the attachment upper frame 31 and attachment lower frame 32 so as to cover the longitudinal ends of the attachment upper frame 31 and attachment lower frame 32.

[0028] When the attachment frame 3 is attached to the inner circumference of the existing frame 6, it is positioned between the new frame 2 and the existing frame 6. The attachment upper frame 31 is attached by hooking it onto the new upper frame 21, as shown in Figure 12. The attachment lower frame 32 is attached by hooking it onto the new lower frame 22, as shown in Figure 13. The attachment vertical frame 33 is attached by hooking it onto the new vertical frame 23, as shown in Figures 14 and 15. Alternatively, the attachment frame 3 (attachment upper frame 31, attachment lower frame 32, attachment vertical frame 33) may be fastened to the new frame 2 (new upper frame 21, new lower frame 22, new vertical frame 23) by screw fixing or the like, instead of hooking them onto the frame.

[0029] As shown in Figures 16 and 17, the attachment frame 3 consists of an upper attachment frame 31, a lower attachment frame 32, and a pair of vertical attachment frames 33, which are attached to the outer circumference of the new frame 2. In the upper attachment frame 31, the lower attachment frame 32, and the pair of vertical attachment frames 33, any two frames are fixed to each other at the assembly portion by screws 34 (fastening members). Specifically, the upper and lower ends of each of the pair of vertical attachment frames 33 are fixed to both ends in the longitudinal direction of the upper attachment frame 31 by screws 34, and the upper and lower ends of each of the pair of vertical attachment frames 33 are fixed to both ends in the longitudinal direction of the lower attachment frame 32 by screws 34.

[0030] As shown in Figure 10, the attachment upper frame 31 has an outdoor-side indoor-outdoor extending portion 311, an attachment upper frame hollow portion 312 (hollow portion) with an outer peripheral plane 312a formed thereon, an outdoor-side vertically extending plate portion 313 (visible direction extending plate portion), an indoor-side horizontally extending plate 314 (extending plate), an indoor-side downwardly extending portion 315, an indoor-side lower end horizontally protruding piece 316, and an L-shaped hook piece 317.

[0031] The outdoor-side indoor-outdoor extending portion 311 and the attachment upper frame hollow portion 312 are arranged side by side in the indoor-outdoor direction. The outdoor-side indoor-outdoor extending portion 311 is located on the outdoor side X1, and the attachment upper frame hollow portion 312 is located on the indoor side X2. The outdoor-side indoor-outdoor extending portion 311 is formed at a lower position than the upper surface of the attachment upper frame hollow portion 312.

[0032] The outdoor vertically extending plate portion 313 is formed as a plate that extends upward from the outdoor side X1 end of the outdoor indoor / outdoor extending portion 311. The outdoor vertically extending plate portion 313 is positioned on the outdoor side X1 and extends in the vertical direction (visible direction). A pair of engaging protrusions 313a are formed on the lower side of the outdoor side X1 surface of the outdoor vertically extending plate portion 313, which are spaced apart vertically. The pair of engaging protrusions 55 of the outdoor decorative cover 51 are attached by engaging with the pair of engaging protrusions 313a.

[0033] As shown in Figure 18, a horizontal gutter structure 310 is formed on the upper part of the attachment upper frame 31. The horizontal gutter structure 310 is formed by the upper surface of the outdoor-side indoor-outdoor extending portion 311, the outdoor-side X1 surface of the attachment upper frame hollow portion 312, and the indoor-side X2 surface of the lower side of the outdoor-side vertically extending plate portion 313. The horizontal gutter structure 310 is formed on the upper part of the attachment upper frame 31, is formed to be open upwards, and extends in the left-right direction (horizontal direction). Both ends of the horizontal gutter structure 310 in the longitudinal direction are formed to be open outwards in the left-right direction. Water that enters the horizontal gutter structure 310 flows to both ends of the attachment upper frame 31 in the longitudinal direction, and through the longitudinal ends that are open outwards in the left-right direction, it passes through the notch portion 337 of the attachment vertical frame 33 and flows into the interior of the attachment vertical frame 33.

[0034] As shown in Figure 10, the attachment upper frame hollow section 312 is formed as an elongated rectangular hollow shape extending in the indoor-outdoor direction. An outer peripheral plane 312a is formed on the upper surface of the attachment upper frame hollow section 312. The outer peripheral plane 312a is formed on the outer peripheral side of the attachment frame 3 in the attachment upper frame 31. The outer peripheral plane 312a faces the existing upper frame 61 and is formed as a plane extending in the indoor-outdoor direction and horizontally. The outer peripheral plane 312a is formed over the entire longitudinal area of ​​the attachment upper frame 31 and is formed facing upward.

[0035] The outer peripheral plane 312a is formed in a planar shape so that it does not come into contact with the inner peripheral side of the existing frame 6 when the attachment frame 3 with the newly installed frame 2 attached is installed on the inner peripheral side of the existing frame 6. In this embodiment, as shown in Figure 12, the outer peripheral side of the attachment upper frame 31 is formed by an L-shaped space S1, as shown by the dashed line (double-dotted line), from the space above the outer peripheral plane 312a toward the space in front of the vertically extending plate portion 313 on the outdoor side, and from the space in front of the vertically extending plate portion 313 on the outdoor side toward the upward side, from the indoor side X2 toward the outdoor side X1. The L-shaped space S1 is formed on the outer peripheral side of the attachment upper frame 31 along the indoor side X2 surface of the vertically extending plate portion 313 on the outdoor side and the outer peripheral plane 312a.

[0036] As a result, the existing upper frame 61 can be housed within the L-shaped space S1, and the attachment frame 3 with the new frame 2 attached can be easily attached to the existing frame 6. In particular, in this embodiment, as shown in Figure 10, the outer peripheral plane 312a is formed along the indoor-outdoor direction of the attachment upper frame 31, so that the attachment upper frame 31 with the new upper frame 21 attached can be attached to the existing upper frame 61 without interfering with the installation, in accordance with the existing frame 6 of various shapes.

[0037] As shown in Figure 10, the indoor horizontal extension plate 314 extends horizontally in the indoor X2 direction from the indoor side end of the upper end of the attachment upper frame hollow portion 312. The indoor side plane 314a on the outer periphery side of the attachment frame 3 in the indoor horizontal extension plate 314 is formed on the same plane as the outer periphery plane 312a of the attachment upper frame hollow portion 312. The indoor side plane 314a is formed in a planar shape over the entire longitudinal area of ​​the attachment upper frame 31.

[0038] When fixing the attachment frame 3 to the building 100 (structure), screws 36 are inserted through the interior horizontal extension plate 314. In this way, the interior horizontal extension plate 314 is fixed to the building 100 (structure) by the screws 36. If a gap is formed between the interior surface 314a of the interior horizontal extension plate 314 and the frame member 101, a spacer member 37 is placed. The spacer member 37 is composed of multiple sheets, and the thickness of the sheets to fill the gap is set according to the size of the gap between the interior surface 314a of the interior horizontal extension plate 314 and the frame member 101.

[0039] The indoor downward extension portion 315 extends downward from the lower end of the indoor side X2 end of the attachment upper frame hollow portion 312. The indoor lower end horizontal projection piece 316 protrudes from the lower end of the indoor downward extension portion 315 toward the indoor side X2.

[0040] The L-shaped hook piece 317 protrudes downward in an L-shape from the portion X1 on the lower surface of the outdoor-side indoor-outdoor extending portion 311. When attaching the attachment upper frame 31 to the new upper frame 21, the L-shaped hook piece 317 is hooked onto the protruding hook piece 214 of the new upper frame 21, as shown in Figure 12. Note that the structure for fixing the attachment upper frame 31 to the new upper frame 21 may be a fastening structure such as screw fixing instead of a hooking structure.

[0041] As shown in Figure 10, the attachment lower frame 32 has an indoor-outdoor extending portion 321, an attachment lower frame hollow portion 322 (hollow portion) with an outer peripheral plane 322a formed thereon, an outdoor-side vertically extending plate portion 323 (visible-side extending plate portion), an indoor-side horizontally extending plate 324 (extending plate), an indoor-side upwardly extending portion 325, and an L-shaped hook piece 326.

[0042] The indoor-outdoor extending portion 321 and the attachment lower frame hollow portion 322 are arranged side by side in the indoor-outdoor direction. The indoor-outdoor extending portion 321 is located on the outdoor side X1, and the attachment lower frame hollow portion 322 is located on the indoor side X2. The indoor-outdoor extending portion 321 is formed at a lower position than the upper surface of the attachment lower frame hollow portion 322.

[0043] The outdoor vertically extending plate portion 323 is formed as a plate that extends downward from the end of the outdoor side X1 of the attachment lower frame hollow portion 322. The outdoor vertically extending plate portion 323 is positioned on the outdoor side X1 and extends in the vertical direction (visible direction). A pair of engaging protrusions 323a are formed on the upper side of the outdoor side X1 surface of the outdoor vertically extending plate portion 323, which are spaced apart vertically. The pair of engaging protrusions 55 of the outdoor decorative cover 51 are attached by engaging with the pair of engaging protrusions 323a.

[0044] The hollow section 322 of the attachment lower frame is formed as an elongated rectangular hollow shape extending in the indoor-outdoor direction. An outer peripheral plane 322a is formed on the lower surface of the hollow section 322 of the attachment lower frame. The outer peripheral plane 322a is formed on the outer peripheral side of the attachment frame 3 in the attachment lower frame 32. The outer peripheral plane 322a faces the existing lower frame 62 and is formed as a plane extending in the indoor-outdoor direction and horizontally. The outer peripheral plane 322a is formed over the entire longitudinal area of ​​the attachment lower frame 32 and is formed facing downwards.

[0045] The outer peripheral plane 322a is formed in a planar shape so that it does not come into contact with the inner peripheral side of the existing frame 6 when the attachment frame 3 with the newly installed frame 2 attached is attached to the inner peripheral side of the existing frame 6. In this embodiment, as shown in Figure 13, the outer peripheral side of the attachment lower frame 32 is formed by an L-shaped space S2, as shown by the dashed line (double-dotted line), from the space below the outer peripheral plane 322a toward the space in front of the vertically extending plate portion 323 on the outdoor side, and from the space in front of the vertically extending plate portion 323 on the outdoor side toward the downward side, from the indoor side X2 toward the outdoor side X1. The L-shaped space S2 is formed on the outer peripheral side of the attachment lower frame 32 along the indoor side X2 surface of the vertically extending plate portion 323 on the outdoor side and the outer peripheral plane 322a.

[0046] As a result, the existing lower frame 62 can be housed within the L-shaped space S2, allowing the attachment frame 3 with the new frame 2 attached to be easily attached to the existing frame 6. In particular, in this embodiment, as shown in Figure 10, the outer peripheral plane 322a is formed along the indoor-outdoor direction of the attachment lower frame 32, so that the attachment lower frame 32 with the new lower frame 22 attached can be attached to the existing lower frame 62 without interfering with the installation, in accordance with the existing frame 6 of various shapes. When attaching the attachment frame 3 with the new frame 2 attached to the existing frame 6, it is installed at an angle so that the lower end is located closer to the existing frame 6 than the upper end, so that the entire attachment frame 3 is attached to the existing frame 6 after the existing lower frame 62 has entered the L-shaped space S2. Therefore, by housing the L-shaped space S2 within the existing lower frame 62, the attachment frame 3 with the new frame 2 attached can be easily attached to the existing frame 6.

[0047] As shown in Figure 10, the indoor horizontal extension plate 324 extends horizontally from the indoor side X2 end of the upper end of the hollow portion 322 of the attachment lower frame to the indoor side X2. The indoor side plane 324a on the outer periphery side of the attachment frame 3 of the indoor horizontal extension plate 324 is formed on the same plane as the outer periphery plane 322a of the attachment lower frame 32. The indoor side plane 324a is formed in a planar shape over the entire longitudinal area of ​​the attachment lower frame 32.

[0048] When fixing the attachment frame 3 to the building 100 (structure), screws 36 are inserted through the interior horizontal extension plate 324. In this way, the interior horizontal extension plate 324 is fixed to the building 100 (structure) by the screws 36. If a gap is formed between the interior surface 324a of the interior horizontal extension plate 324 and the frame member 101, a spacer member is placed. The spacer member is composed of multiple sheets, and the thickness of the sheets to fill the gap is set according to the size of the gap between the interior surface 324a of the interior horizontal extension plate 324 and the frame member 101. In this embodiment, since no gap is formed between the interior surface 324a of the interior horizontal extension plate 324 and the frame member 101, a spacer member is not placed.

[0049] The indoor-side upward extension portion 325 extends upward from the upper end of the indoor-side end X2 of the hollow portion 322 of the attachment lower frame.

[0050] The L-shaped hook piece 326 protrudes upward in an L-shape from the outdoor side X1 portion of the upper surface of the indoor-outdoor extending portion 321. When attaching the attachment lower frame 32 to the new lower frame 22, the L-shaped hook piece 326 is hooked onto the L-shaped hook piece 224 of the new lower frame 22, as shown in Figure 13. Note that the structure for fixing the attachment lower frame 32 to the new lower frame 22 may be a fastening structure such as screw fixing instead of a hook structure.

[0051] The attachment vertical frame 33 is arranged in a so-called vertical-dominant structure, with its longitudinal end positioned outside the longitudinal ends of the attachment upper frame 31 and the attachment lower frame 32. As shown in Figure 11, the attachment vertical frame 33 has an attachment vertical frame hollow portion 331 (hollow portion) with an outer peripheral plane 331a, an outdoor side left-right extending plate portion 332 (visible direction extending plate portion), an indoor side indoor-directly extending portion 333 (extending plate), an indoor side lateral extending portion 334, an indoor side lateral end protruding piece 335, and a protruding hook piece 336.

[0052] The attachment vertical frame hollow section 331 is formed as an elongated rectangular hollow shape extending in the indoor-outdoor direction. An outer peripheral plane 331a is formed on the left-right outer surface of the attachment vertical frame hollow section 331. The outer peripheral plane 331a is formed on the outer periphery of the attachment frame 3 in the attachment vertical frame 33. The outer peripheral plane 331a faces the existing vertical frame 63 and is formed as a plane extending in the indoor-outdoor direction and in the vertical direction. The outer peripheral plane 331a is formed over the entire longitudinal area of ​​the attachment vertical frame 33 and faces outward in the left-right direction.

[0053] The outer peripheral plane 331a is formed in a planar shape so that it does not come into contact with the inner peripheral side of the existing frame 6 when the attachment frame 3, to which the new frame 2 is attached, is attached to the inner peripheral side of the existing frame 6. In this embodiment, as shown in Figures 14 and 15, the outer peripheral side of the attachment vertical frame 33 is formed by the space on the left and right outer side of the outer peripheral plane 331a and the space on the indoor side of the outdoor left and right extending plate portion 332, as shown by the dashed line (double-dotted line), from the indoor side X2 toward the outdoor side X1. The L-shaped space S3 is formed on the outer peripheral side of the attachment vertical frame 33 along the indoor side X2 surface of the outdoor left and right extending plate portion 332 and the outer peripheral plane 331a.

[0054] As a result, the existing vertical frame 63 can be housed within the L-shaped space S3, and the attachment frame 3 with the new frame 2 attached can be easily attached to the existing frame 6. In particular, in this embodiment, as shown in Figure 11, the outer peripheral plane 331a is formed along the indoor-outdoor direction of the attachment vertical frame 33, so that the attachment vertical frame 33 with the new vertical frame 23 attached can be attached to the existing vertical frame 63 without interfering with the installation, in accordance with the existing frame 6 of various shapes.

[0055] As shown in Figure 11, the indoor-side extension portion 333 is the outer end in the left-right direction of the attachment vertical frame hollow portion 331 and extends from the end of the indoor side X2 to the indoor side X2. The indoor-side plane 333a on the outer periphery side of the attachment frame 3 in the indoor-side extension portion 333 is formed on the same plane as the outer periphery plane 331a of the attachment vertical frame hollow portion 331. The indoor-side plane 333a is formed in a planar shape over the entire longitudinal area of ​​the attachment vertical frame 33.

[0056] The interior extension portion 333 is positioned so that screws 36 pass through it when the attachment frame 3 is fixed to the building 100 (structure). In this way, the interior extension portion 333 is fixed to the building 100 (structure) by screws 36. If a gap is formed between the interior surface 333a of the interior extension portion 333 and the frame member 101, a spacer member 37 is provided. The spacer member 37 is composed of multiple sheets, and the thickness of the sheets to fill the gap is set according to the size of the gap between the interior surface 333a of the interior extension portion 333 and the frame member 101.

[0057] A pair of engaging protrusions 331b are formed on the outdoor-facing X1 surface of the hollow portion 331 of the attachment vertical frame, spaced apart to the left and right. A pair of engaging protrusions 55 of the outdoor-facing decorative cover 53 are attached by engaging with the pair of engaging protrusions 331b.

[0058] The outdoor-side lateral-extending plate portion 332 is formed as a plate that extends outward in the lateral direction from the end of the outdoor-side X1 of the attachment vertical frame hollow portion 331. The outdoor-side lateral-extending plate portion 332 is positioned on the outdoor-side X1 and extends in the lateral direction (visible direction).

[0059] The indoor side extension portion 334 extends inward in the left-right direction from the indoor side X2 end of the attachment vertical frame hollow portion 331. The indoor side end projection piece 335 protrudes outward from the indoor side X2 from the left-right inner end of the indoor side extension portion 334.

[0060] The protruding hook piece 336 protrudes from the inner end of the left-right side of the hollow portion 331 of the attachment vertical frame X1 to the outside X1. When attaching the attachment vertical frame 33 to the newly installed vertical frame 23, the protruding hook piece 336 is hooked onto the L-shaped hook piece 234 of the newly installed vertical frame 23, as shown in Figures 14 and 15. Note that the structure for fixing the attachment vertical frame 33 to the newly installed vertical frame 23 may be a fastening structure such as screw fixing instead of a hooking structure.

[0061] As shown in Figure 18, in the attachment vertical frame 33, a notch 337 is formed at the upper end of the inner plate portion 331c in the left-right direction of the hollow portion 331 of the attachment vertical frame. The notch 337 is formed by cutting out a U-shape that opens upward. The notch 337 is formed at the upper end of the attachment vertical frame 33 where the attachment upper frame 31 and the attachment vertical frame 33 abut, and connects the horizontal gutter structure portion 310 of the attachment upper frame 31 and the hollow portion 331 of the attachment vertical frame 33 inside the attachment vertical frame 33.

[0062] At the point where the upper attachment frame 31 and the vertical attachment frame 33 abut against each other, a packing member 35 (water-sealing member) is placed between the upper attachment frame 31 and the vertical attachment frame 33. The packing member 35 is placed between the longitudinal end of the upper attachment frame 31 and the longitudinal end of the vertical attachment frame 33.

[0063] The packing member 35 has a notch 351 formed in the same shape as the notch 337 of the attachment vertical frame 33, in the portion where the notch 337 of the attachment vertical frame 33 is formed. The packing member 35 ensures watertightness between the attachment upper frame 31 and the attachment vertical frame 33.

[0064] With the attachment upper frame 31 and attachment vertical frame 33 configured in this way, water that enters the horizontal gutter structure 310 of the attachment upper frame 31 is guided by the horizontal gutter structure 310 to both ends in the longitudinal direction of the attachment upper frame 31. The water guided to both ends in the longitudinal direction of the attachment upper frame 31 is then directed through the notch 337 of the attachment vertical frame 33 to the hollow portion 331 of the attachment vertical frame 33 and guided downwards. Therefore, water can be directed along the horizontal gutter structure 310 formed on the attachment upper frame 31, thereby improving drainage performance.

[0065] Here, the existing lower frame 62 is positioned below the attachment vertical frame 33, as shown in Figure 10. The existing lower frame 62 receives water that flows into the inside of the attachment vertical frame 33 at the lower side of the attachment vertical frame 33 and discharges it to the outside. Specifically, water guided downwards from the attachment vertical frame 33 is received by the existing lower frame 62, guided to the lower part of the stepped section of the existing lower frame 62, and discharged to the outside through a drainage section (not shown) formed on the longitudinal end side of the lower part of the existing lower frame 62.

[0066] As shown in Figures 10 and 11, the interior decorative members 41, 42, and 43 are attached to the resin angle members 213, 223, and 233 of the newly installed frame 2, respectively. The boundary between the interior decorative members 41, 42, and 43 and the inner surface of the frame member 101 is shielded by an L-shaped trim piece 45 that is fixed to the frame member 101.

[0067] Each interior decorative member 41, 42, and 43 has a cover body 46 and a cover mounting portion 47. The cover mounting portion 47 of each interior decorative member 41, 42, and 43 is attached to the resin angle members 213, 223, and 233 of the new frame 2, respectively. The cover mounting portion 47 attached to the new upper frame 21 and the new vertical frame 23 has a mounting engagement plate 471.

[0068] As shown in Figure 10, the cover mounting portion 47 attached to the newly installed upper frame 21 is sandwiched and fitted between the projection piece 213a (temporary fixing portion, one-sided holding portion) of the resin angle member 213 and the horizontal projection piece 316 (temporary fixing portion, other-sided holding portion) at the lower indoor end of the attachment upper frame 31, and is held and temporarily fixed in place before being fixed by screws 48. The projection piece 213a of the resin angle member 213 and the horizontal projection piece 316 at the lower indoor end of the attachment upper frame 31 constitute a temporary fixing portion that can be fitted into and temporarily fixed to the indoor decorative member 41.

[0069] The projection piece 213a of the resin angle member 213 and the horizontal projection piece 316 at the lower indoor end of the attachment upper frame 31 are positioned opposite each other so that the mounting engagement plate 471 of the cover mounting portion 47 can be fitted and held in place. The mounting engagement plate 471 of the cover mounting portion 47 is sandwiched and fitted into the projection piece 213a of the resin angle member 213 and the horizontal projection piece 316 at the lower indoor end of the attachment upper frame 31, and is held in place.

[0070] As shown in Figure 10, the cover mounting portion 47 attached to the newly installed lower frame 22 is fixed to the lower part of the projection piece 213a of the resin angle member 213 by screws 48.

[0071] As shown in Figure 11, the cover mounting portion 47 attached to the newly installed vertical frame 23 is sandwiched and fitted between the projection piece 233a (temporary fixing portion, one-sided holding portion) of the resin angle member 233 and the indoor-side end projection piece 335 (temporary fixing portion, one-sided holding portion) of the attachment vertical frame 33, and is held and temporarily fixed in place by screws 48. The projection piece 233a of the resin angle member 233 and the indoor-side end projection piece 335 of the attachment vertical frame 33 constitute a temporary fixing portion that can be fitted into and temporarily fixed to the indoor decorative member 41.

[0072] The projection piece 233a of the resin angle member 233 and the projection piece 335 on the indoor side end of the attachment vertical frame 33 are positioned opposite each other so that the mounting engagement plate 471 of the cover mounting portion 47 can be fitted and held in place. The mounting engagement plate 471 of the cover mounting portion 47 is sandwiched and fitted into the projection piece 233a of the resin angle member 233 and the projection piece 335 on the indoor side end of the attachment vertical frame 33 and is held in place.

[0073] The mounting engagement plate 471 of the cover mounting portion 47, which is attached to the newly installed upper frame 21, can be temporarily fixed between the projection piece 213a of the resin angle member 213 and the horizontal projection piece 316 at the lower indoor end of the attachment upper frame 31. The mounting engagement plate 471 is formed to a length that allows it to be positioned and temporarily fixed between the projection piece 213a of the resin angle member 213 and the horizontal projection piece 316 at the lower indoor end of the attachment upper frame 31. An engagement projection 471a is formed at one end of the mounting engagement plate 471. The engagement projection 471a protrudes toward the horizontal projection piece 316 at the lower indoor end of the attachment upper frame 31.

[0074] As a result, in the cover mounting portion 47 attached to the newly installed upper frame 21, when the mounting engagement plate 471 is positioned between the projection 213a of the resin angle member 213 and the horizontal projection 316 at the lower indoor end of the attachment upper frame 31, the engagement projection 471a engages, fitting the cover mounting portion 47, and allowing the indoor decorative member 41 to be temporarily fixed by releasing the hand when attaching it. After the indoor decorative member 41 is temporarily fixed, it is secured from below with screws 48.

[0075] The mounting engagement plate 471 of the cover mounting portion 47, which is attached to the newly installed lower frame 22, can be temporarily fixed between the projection piece 233a of the resin angle member 233 and the indoor-side lateral end projection piece 335 of the attachment vertical frame 33. The mounting engagement plate 471 is formed to a length that allows it to be positioned and temporarily fixed between the projection piece 233a of the resin angle member 233 and the indoor-side lateral end projection piece 335 of the attachment vertical frame 33. An engagement projection 471a is formed at one end of the mounting engagement plate 471. The engagement projection 471a protrudes toward the indoor-side lateral end projection piece 335 of the attachment vertical frame 33.

[0076] As a result, in the cover mounting portion 47 attached to the newly installed lower frame 22, similar to the attachment upper frame 31, when the mounting engagement plate 471 is positioned between the projection piece 233a of the resin angle member 233 and the indoor-side end projection piece 335 of the attachment vertical frame 33, the engagement projection 471a engages, fitting the cover mounting portion 47, and allowing the indoor decorative member 41 to be temporarily fixed by releasing the indoor decorative member 43 when it is being attached. The indoor decorative member 42 is then fixed with screws 48 after being temporarily fixed.

[0077] As shown in Figures 10 and 11, the exterior decorative covers 51, 52, and 53 are attached to the attachment upper frame 31, the attachment lower frame 32, and the attachment vertical frame 33, respectively. The exterior decorative covers 51, 52, and 53 have a depth-extending plate 54 with a surface facing the exterior X1, and a pair of engaging protrusions 55 formed on the back side of the depth-extending plate 54.

[0078] The horizontally extending plates 54 of the exterior decorative covers 51, 52, and 53 are formed in a plate shape that extends along the attachment upper frame 31, attachment lower frame 32, and attachment vertical frame 33, respectively.

[0079] The exterior decorative covers 51, 52, and 53 are attached to the upper frame 31, lower frame 32, and vertical frame 33 respectively by the engagement of a pair of engaging projections 55 on the upper frame 31, lower frame 32, and vertical frame 33 of the attachment, respectively, with the engagement of a pair of engaging projections 313a, 323a, and 333b on the upper frame 31, lower frame 32, and vertical frame 33 of the attachment.

[0080] Furthermore, the remodeled joinery 1 has an airtight structure 70, as shown in Figures 10 and 11. The airtight structure 70 is configured to connect the existing frame 6 and the attachment frame 3 attached to the new frame 2 using airtight tapes (existing frame side airtight tape 71, connecting airtight tape 72). The airtight structure 70 is positioned to connect the existing frame 6 and the attachment frame 3 attached to the new frame 2 in order to improve the airtightness between the existing frame 6 and the new frame 2.

[0081] As shown in Figures 10 and 11, the airtight structure 70 includes an existing frame side airtight tape 71 (existing frame side airtight adhesive sheet material) which at least a portion of which is attached to the existing frame 6, and a connecting airtight tape 72 (connecting airtight adhesive sheet material) which connects the existing frame side airtight tape 71 and the attachment frame 3. For example, an airtight waterproof tape with an acrylic adhesive on one side can be used as the existing frame side airtight tape 71 and the connecting airtight tape 72.

[0082] The existing frame-side airtight tape 71 is applied across the existing frame 6 (existing upper frame 61, existing lower frame 62, existing vertical frame 63) and the building 100 (structure). By applying the existing frame-side airtight tape 71 across the existing frame 6 (existing upper frame 61, existing lower frame 62, existing vertical frame 63) and the building 100 (structure), the unevenness and rough areas on the surface of the frame member 101 are smoothed out, forming a base for applying the connecting airtight tape 72.

[0083] The connecting airtight tape 72 is folded in a stepped shape, with one end attached to the attachment frame 3 (attachment upper frame 31, attachment lower frame 32, attachment vertical frame 33), and the other end overlapping and attached to the existing frame side airtight tape 71.

[0084] The existing frame side airtight tape 71 is formed to extend over the entire length of the existing upper frame 61, existing lower frame 62, and existing vertical frame 63, respectively. The connecting airtight tape 72 is formed to extend over the entire length of the attachment upper frame 31, attachment lower frame 32, and attachment vertical frame 33, respectively.

[0085] As described above, the airtight structure 70 is configured to connect the existing frame 6 side and the new frame 2 side with airtight tape (existing frame side airtight tape 71, connecting airtight tape 72). As a result, the existing frame side airtight tape 71 attached to the existing frame 6 and the building 100 (structure) and the connecting airtight tape 72 attached to the attachment frame 3 (attachment upper frame 31, attachment lower frame 32, attachment vertical frame 33) overlap, and an airtight line can be secured in the portion where a part of the existing frame side airtight tape 71 and a part of the connecting airtight tape 72 overlap, thereby ensuring airtight performance.

[0086] The procedure for installing the remodeled joinery 1 is described below. When installing remodeled joinery 1, first, the attachment frame 3 is assembled around the outer perimeter of the newly constructed frame 2 that has been assembled on all four sides.

[0087] First, as shown in Figure 9, in order to attach the attachment frame to the new frame 2, the attachment upper frame 31, attachment lower frame 32, and attachment vertical frame 33 are hooked onto the new upper frame 21, new lower frame 22, and new left and right vertical frames 23, respectively.

[0088] Specifically, as shown in Figure 9, the attachment upper frame 31, attachment lower frame 32, and a pair of attachment vertical frames 33 are assembled to the outer perimeter of the newly constructed frame 2, which is formed by assembling the four sides (attachment frame assembly process).

[0089] The order in which the attachment upper frame 31, attachment lower frame 32, and pair of attachment vertical frames 33 are assembled is as follows: First, the attachment upper frame 31 is attached to the new upper frame 21, and the attachment lower frame 32 is attached to the new lower frame 22. Then, with the attachment upper frame 31 attached to the new upper frame 21 and the attachment lower frame 32 attached to the new lower frame 22, the pair of attachment vertical frames 33 are attached to the new vertical frame 23.

[0090] In detail, in order to attach the attachment upper frame 31 to the newly installed upper frame 21, as shown in Figure 12, the L-shaped hook piece 317 of the attachment upper frame 31 is hooked onto the protruding hook piece 214 of the newly installed upper frame 21 at the part closer to the outdoor side X1 in the indoor-outdoor direction, and the attachment upper frame 31 is positioned and attached to the outer surface of the newly installed upper frame 21 at the indoor side X2 from the part where the L-shaped hook piece 317 of the attachment upper frame 31 is hooked onto the hook piece 214 of the newly installed upper frame 21. In this way, the attachment upper frame 31 is attached in a state where it is hooked onto the newly installed upper frame 21.

[0091] Furthermore, in order to attach the attachment lower frame 32 to the newly installed lower frame 22, as shown in Figure 13, the L-shaped hook piece 224 of the attachment lower frame 32 is hooked onto the L-shaped hook piece 326 of the newly installed lower frame 22 at the part closer to the outdoor side X1 in the indoor-outdoor direction, and the attachment lower frame 32 is positioned and attached to the outer surface of the newly installed lower frame 22 at the indoor side X2 from the part where the L-shaped hook piece 224 of the attachment lower frame 32 is hooked onto the L-shaped hook piece 326 of the newly installed lower frame 22. In this way, the attachment lower frame 32 is attached in a state where it is hooked onto the newly installed lower frame 22.

[0092] Subsequently, as shown in Figures 16 and 17, the attachment upper frame 31 is attached to the newly installed upper frame 21, and the attachment lower frame 32 is attached to the newly installed lower frame 22. Then, as shown in Figures 14 and 15, the attachment vertical frame 33 is attached to the newly installed vertical frame 23. In this case, as shown in Figures 14 and 15, the protruding hook piece 336 of the attachment vertical frame 33 is hooked onto the L-shaped hook piece 234 of the newly installed vertical frame 23 at the part closer to the outdoor side X1 in the indoor-outdoor direction, and the attachment vertical frame 33 is positioned and attached to the outer surface of the newly installed vertical frame 23 at the indoor side X2 from the part where the protruding hook piece 336 of the attachment vertical frame 33 is hooked onto the L-shaped hook piece 234 of the newly installed vertical frame 23. In this way, the attachment vertical frame 33 is attached in a state where it is hooked onto the newly installed vertical frame 23.

[0093] Next, as shown in Figures 16 and 17, the longitudinal ends of the attachment upper frame 31 and the attachment vertical frame 33 are fixed together with screws 34, and the longitudinal ends of the attachment lower frame 32 and the attachment vertical frame 33 are fixed together with screws 34 (attachment frame fastening process).

[0094] Here, as shown in Figures 16 and 17, the upper and lower ends of the attachment vertical frame 33, which has a so-called vertically dominant structure, are fixed to the end faces of the longitudinal ends of the attachment upper frame 31 from the outside of the left and right sides using screws 34. In this way, the upper end of the attachment vertical frame 33 is fixed to the end face of the longitudinal end of the attachment upper frame 31 with screws 34, and the lower end of the attachment vertical frame 33 is fixed to the end face of the longitudinal end of the attachment lower frame 32 with screws 34. In this manner, the four-sided attachment frame 3 is attached to the four sides of the outer circumference of the newly constructed frame 2.

[0095] As described above, the attachment frame 3 is attached by hooking it onto the new frame 2, and the longitudinal ends of the attachment upper frame 31 and attachment vertical frame 33 are fixed together with screws 34, and the longitudinal ends of the attachment lower frame 32 and attachment vertical frame 33 are fixed together with screws 34, thereby firmly attaching the attachment frame 3 to the outside of the new frame 2. In addition, since the attachment frame 3 is attached to the outside of all four sides of the new frame 2, the water-sealing performance can be improved.

[0096] In this embodiment, the longitudinal ends of the attachment upper frame 31 and the attachment vertical frame 33, and the longitudinal ends of the attachment lower frame 32 and the attachment vertical frame 33 are fixed together with screws 34, but this is not limited to this. If the attachment upper frame 31, attachment lower frame 32, or attachment vertical frame 33 are large in size, the screws may be fixed at a position inside the longitudinal ends of the attachment upper frame 31 and attachment vertical frame 33, rather than at the longitudinal ends themselves.

[0097] Next, as shown in Figure 10, the newly installed upper frame 21 and the attachment upper frame 31 are fixed with multiple screws 38 arranged along the longitudinal direction. The newly installed lower frame 22 and the attachment lower frame 32 are also fixed with multiple screws 38 arranged along the longitudinal direction. Furthermore, as shown in Figure 11, the newly installed vertical frame 23 and the attachment vertical frame 33 are fixed with multiple screws 38 arranged along the longitudinal direction. This allows the attachment frame 3 to be firmly fixed to the newly installed frame 2. The number of screws 38 arranged along the longitudinal direction varies depending on the size of the newly installed frame 2 and the attachment frame 3. For example, if the newly installed frame 2 or the attachment frame 3 is large, it becomes necessary to increase the number of screws from the viewpoint of fixing strength.

[0098] Next, the new frame 2 with the attachment frame 3 attached is inserted into the existing frame 6 from the indoor side X2. If the new frame 2 with the attachment frame 3 attached is to be inserted vertically into the existing frame 6 from the indoor side X2, the outdoor side vertically extending plate portion 313, the outdoor side vertically extending plate portion 323, and the indoor side indoor extending portion 333 of the attachment frame 3 will hit the existing frame 6. Therefore, the new frame 2 with the attachment frame 3 attached is inserted into the existing frame 6 from the indoor side X2 of the existing frame 6 while tilting it diagonally, then brought out to the outdoor side X1 of the existing frame 6, and then the new frame 2 with the attachment frame 3 attached is pulled towards the existing frame 6 from the outdoor side X1 of the existing frame 6. This positions the outdoor vertically extending plate portion 313, the outdoor vertically extending plate portion 323, and the indoor horizontally extending portion 333 of the attachment frame 3 close to the outdoor X1 surface of the existing frame 6, and the attachment frame 3 is attached to the existing frame 6 and fixed in this state.

[0099] Next, as shown in Figure 19, the indoor horizontal extension plate 314, indoor horizontal extension plate 324, and indoor inward extension portion 333 of the attachment frame 3 are temporarily fixed to the building 100 (structure) with screws 36.

[0100] Then, as shown in Figure 20, multiple spacer members 37 are placed between the indoor horizontal extension plate 314, the indoor horizontal extension plate 324, the indoor inward extension portion 333 and the frame member 101.

[0101] As shown in Figure 21, the multiple spacer members 37 are arranged at multiple locations spaced apart in the longitudinal direction of the attachment upper frame 31 and the attachment vertical frame 33. The spacer member 37 is composed of multiple sheets, and the number of sheets is determined according to the size of the gap between the indoor horizontal extension plate 314, the indoor horizontal extension plate 324, the indoor inward extension portion 333 and the frame member 101.

[0102] As shown in Figure 20, the spacer member 37 has a U-shaped groove 371, and is inserted and positioned so that the U-shaped groove is aligned with the shaft of the screw 36. When attaching the attachment frame 3 to the existing frame 6, the spacer member 37 is positioned along the indoor-side planes 314a, 324a, 333a, which are formed on the same plane as the outer-side planes 312a, 322a, 331a, as shown in Figures 10 and 11. This allows the spacer member 37 to be stably positioned between the indoor-side planes 314a, 324a, 333a and the frame member 101. In this state, the screw 36 is then permanently fixed. An example of the spacer member 37 is a thin plate-shaped member made of resin material or the like.

[0103] Here, as shown in Figures 10 and 11, the remodeled joinery 1 of this embodiment has an airtight structure 70 configured to connect the existing frame 6 side and the new frame 2 side with airtight tape (existing frame side airtight tape 71, connecting airtight tape 72). The airtight structure 70 has two airtight tapes (existing frame side airtight tape 71, connecting airtight tape 72), and by connecting the existing frame 6 and the attachment frame 3 attached to the new frame 2 with the two airtight tapes (existing frame side airtight tape 71, connecting airtight tape 72), the airtightness performance can be improved.

[0104] Specifically, in the airtight structure 70, the existing frame side airtight tape 71 is attached so as to span the existing frame 6 (existing upper frame 61, existing lower frame 62, existing vertical frame 63) and the building 100 (structure), and the connecting airtight tape 72 is attached so as to span the existing frame side airtight tape 71, the attachment frame 3 (attachment upper frame 31, attachment lower frame 32, attachment vertical frame 33) and the spacer member 37.

[0105] The existing frame-side airtight tape 71 ensures airtight and watertight performance between the existing vertical frame 63 and the building 100 (structure), preventing moisture from being transmitted to the building 100 (structure). The connecting airtight tape 72 ensures airtight and watertight performance between the attachment frame 3 (attachment upper frame 31, attachment lower frame 32, attachment vertical frame 33), the spacer member 37, and the building 100 (structure). The airtight and watertight performance can be improved by the overlapping of the existing frame-side airtight tape 71 attached to the existing frame 6 and the building 100 (structure) and the connecting airtight tape 72 attached to the attachment frame 3 (attachment upper frame 31, attachment lower frame 32, attachment vertical frame 33).

[0106] Next, as shown in Figure 7, the interior decorative member 41 is attached to the interior side X2 surface of the attachment frame 3, with the length of the front end of the cover body 46 of the interior decorative member 41 adjusted.

[0107] As shown in Figures 10 and 22, in the indoor decorative member 41 to be attached to the newly installed upper frame 21, as shown in Figures 10 and 11, the mounting engagement plate 471 of the cover mounting portion 47 of the indoor decorative member 41 is positioned between the projection 213a of the resin angle member 213 and the horizontal projection 316 at the lower indoor end of the attachment upper frame 31, thereby engaging the engagement projection 471a. This fits and holds the mounting engagement plate 471 of the cover mounting portion 47, temporarily fixing the indoor decorative member 41.

[0108] In this temporary fixing state, the worker can release their hand from the interior decorative member 41 and temporarily hold and fix the interior decorative member 41 between the projection piece 213a of the resin angle member 213 and the horizontal projection piece 316 at the lower interior end of the attachment upper frame 31. In this state, the interior decorative member 41 is fixed by moving the screw 48 from the bottom to the top. This allows the worker to release their hand from the interior decorative member 41, further improving the workability of installing the interior decorative member 41.

[0109] As shown in Figure 10, in the interior decorative member 41 to be attached to the newly installed lower frame 22, the cover mounting portion 47 of the interior decorative member 41 is positioned below the projection portion 223a of the resin angle member 223, and the screw 48 is moved from the top to the bottom and fixed with the screw 48.

[0110] As shown in Figure 11, in the interior decorative member 41 attached to the newly installed vertical frame 23, the mounting engagement plate 471 of the cover mounting portion 47 of the interior decorative member 41 is positioned between the projection 233a of the resin angle member 233 and the interior side end projection 335 of the attachment vertical frame 33, thereby engaging the engagement projection 471a. This allows the mounting engagement plate 471 of the cover mounting portion 47 to be fitted and held in place, and the interior decorative member 43 to be temporarily fixed.

[0111] In this temporary fixing state, the worker can release their hand from the interior decorative member 43 and temporarily hold and fix the interior decorative member 43 between the projection piece 233a of the resin angle member 233 and the interior side end projection piece 335 of the attachment vertical frame 33. In this state, the interior decorative member 43 is fixed by moving the screw 48 from the inside to the outside in the left-right direction. This allows the worker to release their hand from the interior decorative member 41, making the installation work easier.

[0112] Next, as shown in Figure 5, the exterior decorative covers 51, 52, and 53, whose tip lengths have been adjusted, are attached to the exterior X1 surface of the attachment frame 3. This allows the exterior decorative covers 51, 52, and 53 to cover the unevenness of the attachment frame 3, exposing the flat surface of the exterior X1 of the exterior decorative covers 51, 52, and 53 to the exterior X1, thereby improving the aesthetic appearance. Furthermore, the exterior decorative covers 51, 52, and 53 can be stably attached to the attachment frame 3 which is assembled around all four sides.

[0113] This embodiment provides the following advantages. The remodeled joinery 1 of this embodiment includes a new frame 2 that is attached to an existing frame 6 provided in an opening of a building 100 and is constructed by assembling the frame around all four sides, and an attachment frame 3 that is attached to the inner side of the existing frame 6 while the attachment frame 3 is attached to the outer circumference of the new frame 2 by assembling the frame around all four sides. As a result, the attachment frame 3 can be attached to the inside of the existing frame 6 while the attachment frame 3 is attached to the outside of the new frame 2 by assembling the frame around all four sides, thus improving workability. In addition, since the attachment frame 3 is attached to the outside of the new frame 2 by assembling the frame around all four sides, the waterproofing performance can be improved. Therefore, both workability and waterproofing performance can be improved.

[0114] Furthermore, this embodiment includes exterior decorative covers 51, 52, and 53 that are attached to the attachment frame 3. This allows for improved waterproofing performance and ease of installation by covering the attachment frame 3 with the exterior decorative covers 51, 52, and 53, thereby enhancing the aesthetic appearance. Additionally, the exterior decorative covers 51, 52, and 53 can be stably attached to the four-sided assembled attachment frame 3.

[0115] Furthermore, in this embodiment, the upper attachment frame 31, the lower attachment frame 32, and the pair of vertical attachment frames 33 are connected to each other by screws 34 at the assembly portions of any two of the frames. This allows the attachment frame 3 to be firmly fixed by screws 34 at the assembly portions of the upper attachment frame 31, the lower attachment frame 32, and the pair of vertical attachment frames 33. Thus, the attachment frame 3 can be firmly and stably attached to the outer circumference of the newly installed frame 2.

[0116] Furthermore, in this embodiment, the upper attachment frame 31 is attached by hooking it onto the newly installed upper frame 21, the lower attachment frame 32 is attached by hooking it onto the newly installed lower frame 22, and the vertical attachment frame 33 is attached by hooking it onto the newly installed vertical frame 23. The longitudinal ends of the upper attachment frame 31 and the vertical attachment frame 33 are fixed together with screws 34, and the longitudinal ends of the lower attachment frame 32 and the vertical attachment frame 33 are fixed together with screws 34. This allows the upper attachment frame 31, the lower attachment frame 32, and the pair of vertical attachment frames 33 to be firmly fixed around the outer circumference of the newly installed frame 2.

[0117] While a preferred embodiment of the present disclosure has been described above, the present disclosure is not limited to the embodiment described above and can be modified as appropriate.

[0118] For example, as shown in the modified configuration in Figure 24, the optional member 11 may be attached to the indoor side X2 of the newly installed lower frame 22A or the attachment lower frame 32A. By attaching the optional member 11 to the indoor side X2 of the newly installed lower frame 22A or the attachment lower frame 32A, various members can be attached to the optional member 11. As shown in the modified configuration in Figure 24, for example, when applying the renovation joinery of this embodiment to a bathroom renovation joinery, a base material 12 for installing a frame for the bathroom or the like can be placed on top of the optional member 11.

[0119] Furthermore, for example, the width of the attachment frame 3 (attachment upper frame 31, attachment lower frame 32, attachment vertical frame 33) in the visible direction may be made larger than the width in the visible direction of the above embodiment. For example, when applying the remodeling fixtures of this embodiment to a conventional bathroom entrance opening where tiles are installed to construct a unit bath, the size of the opening of the unit bath may be made smaller compared to the opening of a conventional bathroom in order to ensure the strength of the wall of the unit bath. In such cases, by using an attachment frame 3 (attachment upper frame 31, attachment lower frame 32, attachment vertical frame 33) with a width in the visible direction larger than the width in the visible direction of the above embodiment, it is possible to provide a remodeling fixture that reduces the size of the opening of the unit bath.

[0120] The above embodiment describes the case where the remodeling fixture 1 is applied to a sliding window type remodeling sash, but is not limited thereto. The remodeling fixture may also be applied to, for example, an opening and closing type remodeling fixture in which the door body rotates around a pivot axis to open and close, or a vertical sliding type remodeling fixture. Furthermore, the remodeling fixture may also be applied to, for example, a fixed type remodeling fixture that is fixedly attached to the frame without opening and closing.

[0121] In the above embodiment, airtight tapes (existing frame side airtight tape 71, connecting airtight tape 72) were used in the airtight structure 70, but the invention is not limited thereto. In the airtight structure 70, for example, a sheet material with adhesive applied to the attachment portion (airtight adhesive sheet) may be used. [Explanation of Symbols]

[0122] 1 Renovated joinery, 2 New frame, 3 Attachment frame, 6 Existing frame, 21 New upper frame, 22 New lower frame, 23 New vertical frame, 31 Attachment upper frame, 32 Attachment lower frame, 33 Attachment vertical frame, 34 Screws (fastening members), 51, 52, 53 Exterior decorative cover (cover material), 100 Building

Claims

1. A remodeling fixture that is attached to an existing frame provided in an opening in a building, A newly constructed frame formed by surrounding all four sides, An attachment frame is attached to the inner circumference of the existing frame, with the four sides assembled and attached to the outer circumference of the newly constructed frame, The attachment frame is attached to a plate-shaped cover material that extends in the visible direction, The attachment frame has a portion extending in the depth direction and a portion extending outwards in the face direction from the outdoor side portion of the depth direction to the outer circumference in the face direction. The portion extending in the depth direction and the portion extending in the exterior-facing direction are integrally formed with the attachment frame. The cover material is a remodeling fixture in which the base end is attached by engaging with the visible surface of the extension plate portion on the exterior side of the attachment frame, and the tip end extends outward from the outer circumference of the attachment frame and extends in the visible direction to the position of the existing frame.

2. The aforementioned attachment frame is constructed by arranging an upper attachment frame, a lower attachment frame, and a pair of vertical attachment frames around the four sides to form a rectangle. The renovation joinery according to claim 1, wherein in the upper attachment frame, the lower attachment frame, and the pair of vertical attachment frames, any two of the frames are fixed to each other by fastening members at the assembly portion.

3. The aforementioned new frame is constructed by arranging a new upper frame, a new lower frame, and a pair of new vertical frames around all four sides to form a rectangle. The attachment frame is constructed by arranging an upper attachment frame, a lower attachment frame, and a pair of vertical attachment frames around the outer circumference of the newly installed frame to form a rectangle. The aforementioned attachment upper frame is installed by being hooked onto the aforementioned newly installed upper frame. The aforementioned attachment lower frame is installed by being hooked onto the aforementioned newly installed lower frame. The aforementioned attachment vertical frame is installed by being hooked onto the aforementioned newly installed vertical frame. The longitudinal ends of the upper frame and vertical frame of the attachment are fixed together by fastening members. The longitudinal ends of the lower attachment frame and the vertical attachment frame are fixed together by fastening members, as described in claim 1 or 2.

Images