Fixture

The fitting addresses the issue of water ingress in frame hollow portions by incorporating an indoor-side drain hole and drainage intermediate space, ensuring effective water discharge without compromising aesthetics.

JP2025107632APending Publication Date: 2025-07-22YKK AP INC
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Patent Information

Application Number
JP2024000960
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-01-09
Publication Date
2025-07-22

AI Technical Summary

Technical Problem

Existing fittings allow water to enter the hollow portions of frame members through screws and screw holes, necessitating the use of drain valves on the outdoor side, which is aesthetically undesirable.

Method used

The fitting design includes a drain hole in the indoor-side facing wall of the hollow portion, allowing water to be discharged without the need for outdoor drain valves, by separating the new frame from the existing frame to create a drainage intermediate space.

Benefits of technology

Water in the hollow portions is effectively discharged while maintaining a suitable design, eliminating the need for visible drain valves on the outdoor side.

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Abstract

To provide a fixture capable of discharging water from a hollow part while maintaining a satisfactory design.SOLUTION: A fixture 10 holds a panel 16 at the inner side of a new frame 14. A bottom frame 20 of the new frame 14 has a first hollow part 62a, and a screw hole 68 for a vertical frame joint has an opening communicating with the first hollow part 62a. The first hollow part 62a has a first drain hole 62q in the front wall of the interior wall 62p. The screw hole 68 is located outside the exterior front surface of the existing frame 12. The new frame 14 and the existing frame 12 are spaced apart in the width direction to form a drainage intermediate space 72, and the first drain hole 62q opens to the drainage intermediate space 72.SELECTED DRAWING: Figure 1
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Description

Technical Field

[0001] The present invention relates to a fitting for holding a panel on the inner peripheral side of a frame body.

Background Art

[0002] Fittings such as FIX windows hold a panel with a frame body composed of a vertical frame and a horizontal frame. In a vertical or horizontal frame body, screws may be passed from the outer peripheral side to the inner peripheral side of the winning side frame member and further screwed into the screw holes of the other side frame member for fixation (Patent Document 1). Many of these frame members form hollow portions from the viewpoint of ensuring strength and the like.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] Depending on the structure of the fitting, water may enter the hollow portion of the frame member through the screws and screw holes. If the structure allows water to enter the hollow portion, means such as a drain valve for discharging the water are required. Considering discharging to the outside, it is assumed to be provided on the outdoor side as shown in Patent Document 1. However, providing the drain valve on the outdoor side is not aesthetically preferable.

[0005] The present invention has been made in view of the above problems, and an object thereof is to provide a fitting capable of discharging water in the hollow portion while maintaining a suitable design.

Means for Solving the Problems

[0006] In order to solve the above-described problems and achieve the object, the fitting according to the present invention is a fitting that holds a panel on the inner peripheral side of a frame body, wherein at least one of the upper frame and the lower frame of the frame body has a hollow portion, a screw hole for joining vertical frames has an opening communicating with the hollow portion, and the hollow portion is characterized in that a drain hole is provided in the indoor-side facing wall.

Effect of the Invention

[0007] According to the present invention, there is no drain hole on the outdoor side, and the water in the hollow portion can be discharged while maintaining a suitable design.

Brief Description of the Drawings

[0008]

Figure 1

Figure 2

Figure 3

Mode for Carrying Out the Invention

[0009] Hereinafter, embodiments of the fitting according to the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited by this embodiment.

[0010] Hereinafter, for convenience, the terms "prospective direction" and "finding direction" may be used. The prospective direction (the direction indicated by the arrow Z in the figure) is the indoor-outdoor direction along the depth of the fitting. The surface and wall along the prospective direction may be referred to as the prospective surface and the prospective wall. The finding direction is, in the case of an object extending along the horizontal direction such as the upper frame, the lower frame, the upper sash, the lower sash, etc., the direction along the up and down perpendicular to the prospective direction (the direction indicated by the arrow Y in the figure), and in the case of an object extending along the vertical direction such as the vertical frame, the vertical sash, etc., the direction along the horizontal perpendicular to the prospective direction (the direction indicated by the arrow X in the figure). The surface and wall along the finding direction may be referred to as the finding surface and the finding wall.

[0011] FIG. 1 is a longitudinal sectional view of a fitting 10 according to an embodiment of the present invention. FIG. 2 is a cross-sectional view of the fitting 10. However, since the fitting 10 is basically symmetric about the left-right axis, only the left side portion is shown in FIG. 2.

[0012] The fitting 10 is a retrofit fitting in which a new frame 14 is provided on the inner peripheral side of an existing frame 12, and is called a FIX window in which a panel 16 such as a double-glazed glass is held on the inner peripheral side of the new frame 14. By not removing the existing frame 12, the fitting 10 can reduce the construction cost. Each frame member of the existing frame 12 is an extruded member made of a metal such as an aluminum alloy and is configured to have a substantially uniform cross-sectional shape over the entire length along the longitudinal direction. The frame members of the new frame 14 are also extruded members and are configured to have a substantially uniform cross-sectional shape over the entire length, but are a composite material of a metal material and a resin material.

[0013] The existing frame 12 is configured by surrounding the upper frame 18, the lower frame 20, and the left and right vertical frames 22. The new frame 14 is configured by surrounding the upper frame 24, the lower frame 26, and the left and right vertical frames 28. The new frame 14 has a vertical-lap structure.

[0014] The vertical frame 28 has an outdoor-side metal frame 30, and first and second resin frames 32 and 34 on the indoor side. A pressing edge 36 is attached to the vertical frame 28. The metal frame 30 has an outdoor-side hollow portion 30a that is long in the prospective direction, an outdoor-side finding portion 30b that protrudes on the inner peripheral side, and a prospective piece 30c that extends on the indoor side. The tip of the outdoor-side finding portion 30b supports the edge of the outdoor surface of the panel 16 via a pocket portion and a bead 37.

[0015] The hollow portion 30a and the projecting piece 30c have substantially the same length in the projecting direction. Almost all of the hollow portion 30a projects outside the room from the existing vertical frame 22. On the inner peripheral side closer to the room of the hollow portion 30a, a first engaging portion 30d and a second engaging portion 30e for engaging with the pressing edge 36 are provided. The first engaging portion 30d and the second engaging portion 30e are in an L-shape protruding toward the side closer to each other. The first engaging portion 30d is on the outside and outer peripheral side of the second engaging portion 30e. On the indoor-side facing wall of the hollow portion 30a, a third engaging portion 30f for engaging with the first resin frame 32 is provided. At the end of the projecting piece 30c, a fourth engaging portion 30g for engaging with the first resin frame 32 is provided. The projecting piece 30c is fixed to the projecting wall of the vertical frame 22 by screws (fasteners) 42 via spacers 38 and a base member 40. The base member 40 extends to the indoor side and is fixed to the vertical frame 22 by screws. The base member 40 and the base members 54 and 80 to be described later are made of an aluminum alloy material or a stainless steel material and are of high strength.

[0016] The first resin frame 32 has a hollow portion 32a elongated in the projecting direction as a base, and has a projecting piece 32b projecting outside the room, a relay piece 32c projecting inside the room, and an engaging piece 32d projecting on the outer peripheral side. An engaging piece 32e projects outside the hollow portion 32a. The tip of the projecting piece 32b is bent and engages with the third engaging portion 30f. A screw insertion hole through which the screw 42 passes is formed in the projecting piece 32b, but it is covered by the pressing edge 36 and is not visible. The tip of the engaging piece 32d engages with the fourth engaging portion 30g.

[0017] The second resin frame 34 has an irregular L-shape, and the short side portion of the L-shape is screwed to the relay piece 32c. The long side portion of the L-shape extends toward the outer peripheral side and closes the space between the existing frame 12 or the housing. A plurality of break-off grooves 34a are provided in this L-shaped portion, and by breaking off any one of the break-off grooves 34a, the distance from the existing frame 12 or the housing can be adjusted. A gap blocking member 43 is provided adjacent to the tip of the second resin frame 34. The second resin frame 34 functions as a frame.

[0018] The caulking edge 36 has an outdoor metal caulking edge 44 and an indoor resin caulking edge 46. The metal caulking edge 44 and the resin caulking edge 46 are strongly engaged with each other at the L-shaped and square U-shaped engagement parts. The metal caulking edge 44 has a fixing piece 44a that extends obliquely toward the outdoor side. The tip of the fixing piece 44a is engaged with the first engagement part 30d, and the recess formed at the end is engaged with the second engagement part 30e. The resin caulking edge 46 has a substantially square cross-section and is partitioned into two rooms arranged in the finding direction. An engagement piece 46a projects from the indoor side of the resin caulking edge 46 to the outer peripheral side and is engaged with the engagement piece 32e.

[0019] A part of each of the metal caulking edge 44 and the resin caulking edge 46 of the caulking edge 36 forms a finding part 36a. The inner peripheral side end of the finding part 36a supports the edge of the indoor surface of the panel 16 via the bead 37. A panel holding space 48 surrounded by the prospective wall of the hollow part 30a, the outdoor finding part 30b, and the finding part 36a is formed. The finding part 36a serves as the indoor finding part of the panel holding space 48. Note that the panel holding space 48 is formed to communicate over four sides between the new frame 14 and the edge of the panel 16. The panel holding space 48 at the location facing the vertical frame 28 is also referred to as the panel holding space 48a.

[0020] (Regarding the upper frame 24, the screw hole 58, and its peripheral part) The upper frame 24 has a metal frame 50 on the outdoor side, a first resin frame 52 and a second resin frame 34 on the indoor side. The metal frame 50 has a hollow portion 50a on the outdoor side that is long in the prospecting direction, an outdoor finding portion 50b that protrudes from the outdoor side end of the hollow portion 50a to the inner peripheral side, an indoor finding portion 50c that protrudes from the vicinity of the indoor side end of the hollow portion 50a to the inner peripheral side, and a prospecting piece 50d that extends indoors. The tip of the outdoor finding portion 50b supports the edge of the outdoor surface of the panel 16 via a pocket portion and a bead 37. The tip of the indoor finding portion 50c supports the edge of the indoor surface of the panel 16 via a part of the first resin frame 52 and a bead 37. That is, at this location, the panel holding space 48 is formed surrounded by the hollow portion 50a, the outdoor finding portion 50b, and the indoor finding portion 50c. The panel holding space 48 at this location is also called the panel holding space 48b. The panel holding space 48b has an appropriate width in the prospecting direction so that the panel 16 can be assembled in a Kenden style.

[0021] The hollow portion 50a and the prospecting piece 50d have substantially the same length in the prospecting direction. The hollow portion 50a protrudes to the outdoor side beyond the existing vertical frame 22. An engaging portion 50e for engaging with the first resin frame 52 is provided at the end of the prospecting piece 50d. The prospecting piece 50d is fixed to the prospecting wall of the upper frame 18 by screws 42 via a spacer 38 and a base member 54. The base member 54 extends indoors and is fixed to the upper frame 18 by screws.

[0022] The first resin frame 52 has a long and narrow hollow portion 52a in the prospecting direction as a base, a prospecting piece 52b that protrudes to the outdoor side, a relay piece 52c that protrudes to the indoor side, and an engaging piece 52d that protrudes from the indoor side end to the outdoor side. The tip of the prospecting piece 52b is bent and engaged so as to mesh with the tip of the indoor finding portion 50c. The engaging piece 52d is engaged with the engaging portion 50e. The relay piece 52c is screwed to the second resin frame 34. The second resin frame 34 is the same as the above, but has a different length due to the folding of the folding groove 34a. Two screw insertion holes through which the screws 42 pass are formed in the hollow portion 52a, but the screw insertion hole on the inner peripheral side prospecting surface is blocked by a cap 56.

[0023] The hollow portion 50a is partitioned by a partition wall 50f into an outdoor-side chamber 50g and an indoor-side chamber 50h. The outdoor-side chamber 50g is slightly narrower in projection width than the indoor-side chamber 50h. In the hollow portion 50a, screw holes 58 are provided at the lower part of the partition wall 50f. The screw holes 58 are parts where screws 60 (refer to the phantom line in Fig. 2) for joining the vertical frame 28 and the upper frame 24 are screwed, and are for joining the vertical frames. Since the new frame 14 is a vertical winner, the upper frame 24 is fixed by screwing the screws 60 passing through the vertical frame 28 into the screw holes 58. The screw holes 58 are C-shaped and open downward. That is, the screw holes 58 have openings communicating with the panel holding space 48b. All the arc walls other than the openings forming the screw holes 58 are within the range of the hollow portion 50a and do not protrude into the panel holding space 48b.

[0024] The screw holes 58 are located outside the outdoor-side finding surface of the existing upper frame 18, and water may enter through the screws 60 and the screw holes 58. However, since the screw holes 58 provided in contact with the hollow portion 50a open into the inner peripheral-side panel holding space 48a, there is no water intrusion inside the hollow portion 50a, and means such as a drain valve are not required for the hollow portion 50a. Thus, in the fitting 10, water intrusion into the hollow portion 50a can be prevented with a simple and low-cost configuration. The water that enters the panel holding space 48a is drained to the outside through the panel holding space 48a, the panel holding space 48c described later, and the drain hole 62m. Since the screw holes 58 are provided on the inner peripheral-side projected wall of the metal frame 50, the distance to the panel 16 is relatively short, which is suitable for the framework.

[0025] (Regarding the lower frame 26, the screw holes 68, and the peripheral portions thereof) The lower frame 26 has an outdoor-side metal frame 62, an indoor-side first resin frame 64, and a second resin frame 34.

[0026] First, the first resin frame 64 will be described. The first resin frame 64 has a hollow portion 64a as a base, and has a projecting piece 64b projecting to the outdoor side, a relay piece 64c projecting to the indoor side, and an engaging piece 64d projecting from the indoor side end to the outer peripheral side. The tip of the projecting piece 64b is bent and engaged so as to mesh with the tip of the indoor side finding portion 62f. The engaging piece 64d is engaged with the engaging portion 62j. The relay piece 64c is screwed to the second resin frame 34. The second resin frame 34 is the same as the above, but has different lengths due to the folding of the folding groove 34a. The hollow portion 64a is partitioned by a partition wall into a relatively large outdoor side chamber 64e and a relatively small indoor side chamber 64f. A shallow recess 64g is formed on the upper surface of the hollow portion 64a. A drain hole 64h is formed at the lower portion of the hollow portion 64a.

[0027] Next, the metal frame 62 will be described. The metal frame 62 has a relatively large first hollow portion 62a and a relatively small second hollow portion 62b adjacent to the inner peripheral side of the first hollow portion 62a. The first hollow portion 62a is large and has sufficient strength to support the self-weight of the panel 16 and the like. The indoor side finding surfaces of the first hollow portion 62a and the second hollow portion 62b are continuous, but from the outdoor side, the second hollow portion 62b is located deeper than the first hollow portion 62a.

[0028] The metal frame 62 further has an indoor side projecting piece 62c in which the inner peripheral side wall of the second hollow portion 62b extends to the indoor side, an outdoor side projecting piece 62d extending to the outdoor side, an outdoor side finding portion 62e projecting from the outdoor side end of the outdoor side projecting piece 62d to the inner peripheral side, an indoor side finding portion 62f projecting from the middle of the indoor side projecting piece 62c to the inner peripheral side, a finding support piece 62g projecting from the middle of the indoor side projecting piece 62c to the outer peripheral side, a finding support piece 62h projecting from the vicinity of the boundary portion between the first hollow portion 62a and the second hollow portion 62b in the second hollow portion 62b to the indoor side, and a fixing piece 62i projecting in an L shape from the lower end of the first hollow portion 62a toward the indoor side. The finding support piece 62g is moderately long and the tip is located on the extension of the finding support piece 62h. The finding support piece 62g is on the extension of the indoor side finding portion 62f. The finding support piece 62h is short. An engaging portion 62j for engaging with the first resin frame 64 is provided at the end of the indoor side projecting piece 62c.

[0029] The tip of the outdoor finding portion 62e supports the edge of the outdoor surface of the panel 16 via the pocket portion and the bead 37. The tip of the indoor finding portion 62f supports the edge of the indoor surface of the panel 16 via a part of the first resin frame 64 and the bead 37. That is, at this location, the panel holding space 48 is formed surrounded by the second hollow portion 62b, the indoor projecting piece 62c, the outdoor projecting piece 62d, the outdoor finding portion 62e, and the indoor finding portion 62f. The panel holding space 48 at this location is also referred to as the panel holding space 48c. The panel 16 is supported by the setting block 66 within the panel holding space 48c.

[0030] An outdoor communication space 62k that opens to the outside is formed by the inner peripheral wall of the first hollow portion 62a, the outdoor wall of the second hollow portion 62b, and the outdoor projecting piece 62d. A drain hole 62m that communicates with the outdoor communication space 62k is provided in the outdoor projecting piece 62d. At the tip of the outdoor projecting piece 62d, there is a small downward projecting piece 62n so that the drain hole 62m is not conspicuous.

[0031] In the first hollow portion 62a, a screw hole 68 is provided at the lower part of the outdoor wall 62o of the second hollow portion 62b. The screw hole 68 is a part where a screw 70 (refer to the virtual line in FIG. 2) that joins the vertical frame 28 and the lower frame 26 is screwed, and is for joining the vertical frames. Since the new frame 14 is vertical, the lower frame 26 is fixed by screwing the screw 70 that penetrates the vertical frame 28 into the screw hole 68. The screw hole 68 has the same C shape as the above screw hole 58 and opens downward. That is, the screw hole 68 has an opening that communicates with the first hollow portion 62a. All the arc walls forming the screw hole 68 are within the range of the first hollow portion 62a and do not project into the second hollow portion 62b and the outdoor communication space 62k. Note that the screw hole 68 and the above screw hole 58 are in overlapping positions in plan view, and the screw 70 and the above screw 60 are in overlapping positions in plan view.

[0032] At the lower end of the indoor-side finding wall 62p of the first hollow portion 62a, a first drain hole 62q is formed. A second drain hole 62r is formed at a location closer to the outdoor side in the extending portion of the fixing piece 62i in the prospective direction. The first drain hole 62q and the second drain hole 62r are adjacent to each other. The newly installed lower frame 26 and the existing lower frame 20 are separated in the prospective direction to form a drainage intermediate space 72. The first drain hole 62q opens into the drainage intermediate space 72.

[0033] In the existing lower frame 20, a drain hole 20a is formed in a part of the prospective wall. Therefore, the water that has entered the recess 64g due to condensation or the like is drained into the drainage intermediate space 72 through the two drain valves 74 and the drain holes 64h and 20a.

[0034] The screw hole 68 is located outside the outdoor-side finding surface of the existing lower frame 20, and water may enter through the screw 70 and the screw hole 68. Since the water that has entered the first hollow portion 62a from the screw hole 68 is drained from the first drain hole 62q of the indoor-side finding wall 62p, there are no exposed holes or drain valves on the outdoor surface, and the water in the first hollow portion 62a can be discharged while maintaining a suitable design. Basically, a drain valve, a filter, etc. are not required for the first drain hole 62q and the second drain hole 62r, and the structure is simple. The second drain hole 62r is in a deep position and has a downward opening, so it is hardly visible from the outdoor side.

[0035] The drainage intermediate space 72 is originally a space for discharging condensed water or the like that can enter the existing lower frame 20 from the drain hole 20a, and it is reasonable to also use it as a drainage path for the water in the first hollow portion 62a. In addition, since a seal member 76 provided with a drain pipe 76a may be provided at the lower part of the first hollow portion 62a as shown by the virtual line in FIG. 1, it is not preferable to provide the first drain hole 62q on the lower surface of the first hollow portion 62a because there is a concern that it will be blocked by the seal member 76. The first drain hole 62q, the second drain hole 62r, the drain holes 20a, 62m, 64h, etc. may be provided, for example, near both ends in the longitudinal direction of the frame material.

[0036] FIG. 3 is a longitudinal sectional view of the metal frame 77 according to a modified example and its peripheral portion. The metal frame 77 corresponds to the above-described metal frame 62 and constitutes the lower frame 26 together with the resin frames 64 and 34. The metal frame 77 has a first hollow portion 77a and a second hollow portion 77b corresponding to the above-described first hollow portion 62a and second hollow portion 62b. For the metal frame 77, parts similar to the metal frame 62 other than the first hollow portion 77a and the second hollow portion 77b are denoted by the same reference numerals, and detailed description thereof is omitted.

[0037] The first hollow portion 77a and the second hollow portion 77b are substantially the same in shape and at the same position as the first hollow portion 62a and the second hollow portion 62b. However, the second hollow portion 77b has a slightly larger visible width than the second hollow portion 62b, and accordingly, the inner peripheral side and indoor side portion of the first hollow portion 77a has a stepped shape that is recessed. A screw hole 78 is provided at the lower portion of the outdoor wall 62o of the second hollow portion 78b. The screw hole 78 is a portion where the screw 70 is screwed in, similar to the above-described screw hole 68, and is for joining vertical frames. The screw hole 78 is provided in the same shape and at the same position as the screw hole 68, but opens 45 degrees upward on the indoor side. That is, the screw hole 78 is at the boundary between the first hollow portion 77a and the second hollow portion 77b and has an opening communicating with the second hollow portion 77b. The step width of the first hollow portion 77a is equal to the height of the screw hole 78, and the inner peripheral side expected wall of the first hollow portion 77a also serves as a part of the screw hole 78.

[0038] The first hollow portion 77a is closed by walls on all four sides and has no opening. A first drain hole 77c is formed at the lower portion of the indoor side visible wall 62p of the second hollow portion 77b. The first drain hole 77c is formed over the height near the expected support piece 62h from the partition wall between the first hollow portion 77a and the second hollow portion 77b and opens into the drain intermediate space 72. Therefore, water that has entered the second hollow portion 77b from the screw hole 78 is drained from the first drain hole 77c through the drain intermediate space 72 and from the second drain hole 62r.

[0039] Thus, when two hollow portions are provided side by side in the metal frames 62 and 77 of the lower frame 26 in the finding direction, the screw holes 68 and 78 for joining the vertical frames open into one of the two hollow portions in the partition wall between the two hollow portions. And when the first drain holes 62q and 77c are provided in the finding wall on the indoor side of the hollow portions 62a and 77b on the side where the screw holes 68 and 78 open, drainage can be performed into the drainage intermediate space 72 without providing a drain hole in the outdoor wall, and a suitable design can be maintained.

[0040] Also, when one or more hollow portions are provided side by side in the metal frames 62 and 77 in the finding direction, it is desirable that the screw holes 68 and 78 be provided so as to contact the prospective wall on the inner peripheral side of the largest first hollow portion 62a and 77a in the lower frame 26. This is because the largest first hollow portions 62a and 77a are of high strength and suitable for joining with the vertical frame 28, and the inner peripheral side is close to the panel 16 and suitable for the framework.

[0041] (Regarding the connection and fixation between the lower frame 20 and the lower frame 26) Returning to FIG. 1, the connection and fixation between the lower frame 20 and the lower frame 26 will be described. In the cross-section of FIG. 1, the metal frame 62 of the lower frame 20 is connected and fixed to the lower frame 26 at two locations (however, a plurality of locations are fixed along the longitudinal direction of the frame material). One location is the L-shaped tip of the fixing piece 62i, which is fixed to the prospective wall at the lower end of the lower frame 26 by a screw 79.

[0042] The other location is the location of the indoor-side prospective piece 62c, which is a part of the prospective wall in the panel holding space 48c, and is indirectly connected and fixed via the base member 80 by a screw 42. The base member 80 has an L-shaped configuration consisting of a first side portion 80a that forms a long side in the finding direction and a second side portion 80b that forms a short side in the prospective direction. The screw 42 fixes the metal frame 62 by screwing through the indoor-side prospective piece 62c into the second side portion 80b. A plurality of screws 42 are provided at positions avoiding the setting block 66.

[0043] The present invention is not limited to the above-described embodiments, and it goes without saying that it can be freely changed without departing from the gist of the present invention.

[0044] The fitting according to this embodiment is a fitting for holding a panel on the inner peripheral side of a frame body, wherein at least one of the upper frame and the lower frame of the frame body has a hollow portion, the screw hole for vertical frame joining has an opening communicating with the hollow portion, and the hollow portion is characterized in that a drain hole is provided in the indoor-side facing wall.

[0045] Thereby, there is no drain hole on the outdoor side, and the water in the hollow portion can be discharged while maintaining a suitable design.

[0046] The frame body is a newly installed frame provided on the inner peripheral side of an existing frame, and the screw hole may be located outside the outdoor-side facing surface of the existing frame.

[0047] The newly installed frame and the existing frame are separated in the expected direction to form a drainage intermediate space, and the drain hole may open into the drainage intermediate space. The drainage intermediate space can also be used as a drainage path for the existing frame, and it is reasonable to also use it for draining the newly installed frame.

[0048] One or more of the hollow portions are provided in the lower frame, and the screw hole for vertical frame joining may be provided on the inner peripheral side facing wall of the largest hollow portion in the lower frame. The largest hollow portion has high strength, and it is suitable for the framework to provide a screw hole in this part.

[0049] Two of the hollow portions are provided side by side in the expected direction in the lower frame, and the screw hole for vertical frame joining may be provided on the partition wall between the two hollow portions. Providing a screw hole in the partition wall exerts a screwing action on the two hollow portions.

Description of reference numerals

[0050] 10 Building tool, 12 Existing frame, 14 Newly installed frame, 16 Panel, 18 Upper frame, 20 Lower frame, 20a Drainage hole, 20b Exterior side finding wall, 22 Vertical frame, 24 Upper frame, 26 Lower frame, 28 Vertical frame, 36 Pressing edge, 36a Finding part, 48, 48a, 48b, 48c Panel holding space, 50 Metal frame, 50a Hollow part, 50b Exterior side finding part, 50c Interior side finding part, 52 Resin frame, 58 Screw hole, 60 Screw, 62 Metal frame, 62a First hollow part, 62b Second hollow part, 62c Interior side projecting piece, 62d Exterior side projecting piece, 62e Exterior side finding part, 62f Interior side finding part, 62g Finding support piece, 62h Projecting support piece, 62k Exterior communication space, 62m Drainage hole, 62n Protruding piece, 62o Exterior wall, 62p Interior side finding wall, 62q First drainage hole, 62r Second drainage hole, 64 Resin frame, 64h Drainage hole, 68 Screw hole, 70 Screw, 72 Drainage intermediate space, 78 Screw hole, 80 Base member, 80a First side part, 80b Second side part

Claims

1. A fitting for holding a panel on the inner peripheral side of a frame body, wherein at least one of the upper frame and the lower frame of the frame body has a hollow portion, and the screw holes for vertical frame joining have openings communicating with the hollow portion, and the hollow portion is provided with drain holes in the indoor side facing wall. A fitting characterized by the above.

2. The frame body is a newly installed frame provided on the inner peripheral side of an existing frame, and the screw holes are located outside the outdoor side facing surface of the existing frame. The fitting according to Claim 1, characterized by the above.

3. The newly installed frame and the existing frame form a drainage intermediate space spaced apart in the expected direction, and the drain holes open into the drainage intermediate space. The fitting according to Claim 2, characterized by the above.

4. One or more of the hollow portions are provided in the lower frame, and the screw holes for vertical frame joining are provided on the inner peripheral side facing wall of the largest hollow portion in the lower frame. The fitting according to Claim 1, characterized by the above.

5. Two of the hollow portions are provided side by side in the found direction in the lower frame, and the screw holes for vertical frame joining are provided on the partition wall between the two hollow portions. The fitting according to Claim 1, characterized by the above.

Citation Information

Patent Citations

  • Fitting

    JP2018076703A