Building materials

Abstract

To provide a fitting that is more excellent in water cut-off performance.SOLUTION: A fitting, having a frame body configured by assembling vertical and horizontal frames and supporting a sash for rotation thereof, in which: the horizontal frame has a depth surface facing the outer peripheral surface of the sash and an overhang portion that overhangs the depth surface toward the inner peripheral side of the frame body on the indoor side of the sash; the vertical frame has a resin frame disposed on the overhanging portion, and a metal frame disposed on an outdoor side of the resin frame and on an outer peripheral side of the frame body and fitted to the resin frame; the metal frame has a facing portion that extends in the longitudinal direction beyond the resin frame, and faces the overhang portion on the outdoor side of the overhang portion, the resulting overhang end portion abutting against the depth surface; the horizontal frame and the vertical frame are joined to each other with a water stop member interposed between the overhang portion of the horizontal frame and the resin frame; and the water stop member has a closing portion that is bent to close a gap between the overhang portion and the facing portion.SELECTED DRAWING: Figure 4

Description

[Technical Field]

[0001] The present invention relates to a fitting using a composite frame material having a metal frame material made of metal and a resin frame material made of synthetic resin. [Background technology]

[0002] Conventionally, there has been known a fitting having a frame body in which the top and bottom horizontal frames and the left and right vertical frames are made of a composite frame material that combines a metal frame material formed from an aluminum extrusion with a resin frame material formed from a resin extrusion (see, for example, Patent Document 1). This fitting body is equipped with a shoji screen that can close the opening formed by the frame body, and the horizontal and vertical frames that make up the frame body have a portion that faces the outer periphery of the shoji screen and a portion that protrudes from this portion toward the center of the opening and faces one side of the shoji screen in the outward direction. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2018-48484 A Summary of the Invention [Problem to be solved by the invention]

[0004] In the above-mentioned conventional fittings, the horizontal and vertical frames have portions that face the outer periphery of the shoji screen and portions that protrude beyond the outer periphery. Therefore, when joining the horizontal and vertical frames, the metal or resin frame material of either the horizontal or vertical frame is extended longitudinally, and this extended portion is joined facing the protruding portion of the other frame in the forward direction. This creates a risk of rainwater or other contaminants seeping into the interior through gaps between the extended metal or resin frame material of one frame material and the protruding portion of the other. For this reason, there is a demand for higher watertightness at the joints between the vertical and horizontal frame materials. The present invention has been made in view of the above problems, and its object is to provide a fitting having a frame body with better water-stopping properties. [Means for solving the problem]

[0005] The main invention for achieving this object is a fixture having a frame body in which a vertical frame and a horizontal frame are framed and a shoji screen is supported so that it can rotate freely, the horizontal frame having a projecting surface facing the outer surface of the shoji screen and a protruding portion that protrudes further toward the inner circumference of the frame body than the projecting surface on the indoor side of the shoji screen, the vertical frame having a resin frame placed on the protruding portion and a metal frame that is placed on the outdoor side of the resin frame on the outer circumference of the frame body and is fitted with the resin frame, the metal frame extending longitudinally further than the resin frame and facing the protruding portion on the outdoor side of the protruding portion, and having an opposing portion whose extended end abuts the projecting surface, the horizontal frame and the vertical frame being joined with a water-stopping member interposed between the protruding portion of the horizontal frame and the resin frame, the water-stopping member having a blocking portion that is bent to block the gap between the protruding portion and the opposing portion. Other features of the present invention will become apparent from the description of this specification and the accompanying drawings. [Effects of the Invention]

[0006] According to the present invention, it is possible to provide a fitting having a frame body with better water-stopping properties. [Brief explanation of the drawings]

[0007] [Figure 1] FIG. 2 is a vertical cross-sectional view of the fitting according to the present embodiment. [Figure 2] FIG. 2 is a cross-sectional view of the fitting according to the present embodiment. [Figure 3] FIG. 2 is an enlarged view of part A in FIG. [Figure 4] FIG. 3 is an enlarged view of part B in FIG. [Figure 5] This is an oblique view from the indoor side to explain the joint between the vertical frame and the lower frame. [Figure 6]This is an oblique view seen from the outdoor side to explain the joint between the vertical frame and the lower frame. [Figure 7] FIG. 5 is a perspective view showing a cross section CC in FIG. DETAILED DESCRIPTION OF THE INVENTION

[0008] Hereinafter, a fitting according to one embodiment of the present invention will be described with reference to the drawings. As an example of a fitting 1 according to this embodiment, as shown in Figures 1 and 2, we will explain a fitting 1 having a frame body 2 fixed to the building's framework to form an opening 1b, and a door 3 acting as a shoji screen attached to the frame body 2 via a hinge 1a so that it can be opened and closed freely.

[0009] As shown in Figure 2, the fitting 1 of this embodiment has a door 3 attached to the left vertical frame 4 that constitutes the frame body 2 via a hinge 1a so that it can be opened and closed freely. In the following explanation, when the fitting 1 attached to a building or the like is viewed from the indoor side, the direction that is up and down is referred to as the up-down direction, the direction that is left and right is referred to as the left-right direction, and the depth direction that is the indoor / outdoor direction is referred to as the front direction. In addition, in the front direction, the side that the door 3 moves to when it opens is referred to as the outdoor side, and the opposite side where a door stop is provided is referred to as the indoor side.

[0010] The frame body 2 is framed in a rectangular shape by a pair of vertical frames 4 arranged on the left and right and a pair of horizontal frames 5 arranged above and below. The frame body 2 is joined to the vertical frames 4 and horizontal frames 5 with sheet-like waterproofing members 6 (Fig. 3) interposed between the longitudinal ends of the vertical frames 4 and the upper and lower horizontal frames 5. The joint between the vertical frames 4 and horizontal frames 5 will be explained below using the joint between the left vertical frame 4 and the lower horizontal frame 5 as an example. Therefore, for the left vertical frame 4 (hereinafter simply referred to as the vertical frame) 4, the inside of the frame body is the right side, and the outer periphery is the left side. Similarly, for the lower horizontal frame 5 (hereinafter referred to as the lower frame) 5, the inner periphery of the frame body 2 is the upper side, and the outer periphery is the lower side.

[0011] As shown in Figure 3, the lower frame 5 has a lower frame body 9 made of a composite member in which a metal lower frame 7 made of metal and a resin lower frame 8 made of synthetic resin are fitted together, and a lower seal material 10 that is provided along the longitudinal direction of the lower frame body 9 and serves as a door stop for the door 3. The metal lower frame 7 and the resin lower frame 8 are both extruded members with their extrusion direction in the left-right direction (longitudinal direction).

[0012] The metal lower frame 7 has a lower frame surface portion 7b with a visible surface 7a that faces the lower surface 3a, which is the outer peripheral surface of the door 3, when the door 3 is closed, and a lower frame extension portion 7c that extends upward on the indoor side beyond the lower frame surface portion 7b. The resin lower frame 8 has a lower frame outdoor portion 8a that fits into the lower frame extension portion 7c and covers the top of the lower frame extension portion 7c, and a lower frame indoor portion 8b that is provided on the indoor side of the lower frame outdoor portion 8a and fixed to the frame structure.

[0013] A lower seal material 10 is provided on the outdoor side of the lower frame extension 7c. The lower seal material 10 is fitted into a lower seal fitting portion 7e that is provided on a facing surface 7d of the lower frame extension 7c that faces the outdoors (hereinafter referred to as the extension facing surface) and has a recess that is recessed toward the indoor side, and is provided so as to protrude toward the outdoor side of the lower frame extension 7c.

[0014] The lower frame outdoor section 8a is provided on the lower frame extension section 7c, forming a horizontal surface, and has a lower frame extension section 8c whose outdoor end extends downward. The outdoor facing surface 8d of the lower frame extension section 8c (hereinafter referred to as the extension section facing surface) and the extension section facing surface 7d form approximately the same plane.

[0015] When the door 3 is closed, the lower seal material 10 fitted into the lower seal fitting portion 7e is pressed by the door 3 toward the lower frame extension portion 7c, and abuts against the extension portion visible surface 8d and the extension portion visible surface 7d, so that the upper surface of the lower seal material 10 and the upper surface of the lower frame outdoor portion 8a form approximately the same horizontal plane.

[0016] As shown in Fig. 4, the vertical frame 4 has a vertical frame body 13 made of a composite member in which a metal vertical frame 11 made of metal and a resin vertical frame 12 made of synthetic resin are fitted together, and a vertical seal material 14 that is provided along the longitudinal direction of the vertical frame body 13 and serves as a door stop for the door 3. Furthermore, both the metal vertical frame 11 and the resin vertical frame 12 are extruded members whose extrusion direction is the up-down direction (longitudinal direction).

[0017] The vertical metal frame 11 has a generally rectangular cross section that is long in the projection direction and a metal frame hollow portion 11a that penetrates in the vertical direction. The vertical metal frame 11 forms the metal frame hollow portion 11a and has an inner projection wall portion 11b that forms a projection surface on the inner periphery side that is the side of the opening 1b formed by the frame body 2, an outer projection wall portion 11c that faces the inner periphery on the outer periphery side with a gap in the left-right direction from the inner projection wall portion 11b, an indoor sighting surface portion 11d that connects the indoor end of the inner projection wall portion 11b and the outer periphery projection wall portion 11c and forms a sighting surface, and a fixing piece 11e that protrudes outward from the outer periphery projection wall portion 11c and is fastened to the frame with a screw.

[0018] The inner peripheral projection wall 11b has an outdoor portion 11f on the outdoor side and an indoor portion 11g on the indoor side, with the indoor portion 11g being located closer to the outer periphery than the outdoor portion 11f and having a step. As shown in Figure 2, a door 3 is attached to the outdoor portion 11f of the inner peripheral projection wall 11b via a hinge 1a so as to be able to be opened and closed freely.

[0019] The indoor visible surface portion 11d extends from the indoor side end of the indoor side portion 11g to the outer periphery side, and a recess 11h recessed toward the outdoor side is provided at the end where the extended outer periphery side end connects to the outer periphery side visible wall portion 11c.

[0020] Near the inner peripheral edge of the indoor sighting surface 11d, a first metal engaging piece 11i is provided, which extends indoors and has its end extending inward to engage with the vertical resin frame 12. Also, on the inner peripheral side of the indoor sighting surface 11d, a protruding piece 11j is provided, which protrudes more inward than the indoor side portion 11g and extends along the indoor sighting surface 11d.

[0021] The tip of the protruding piece 11j protrudes by the difference in level between an outdoor-side visible surface 11k facing the opening 1b of the outdoor portion 11f and an indoor-side visible surface 11l facing the opening 1b of the indoor portion 11g.

[0022] An indoor-side extension piece 11m extending inward is provided at the indoor-side end of the outer-periphery-side projection wall portion 11c that extends indoors beyond the indoor-facing surface portion 11d, and a second metal engagement piece 11n that engages with the resin vertical frame 12 is provided on the outdoor side of the indoor-side extension piece 11m. The second metal engagement piece 11n is provided on the outdoor side of the indoor-side extension piece 11m so as to face each other with a slight gap between them. A hook piece 11o that protrudes indoors is provided at the inner-periphery end of the second metal engagement piece 11n.

[0023] The vertical resin frame 12 has a generally rectangular cross section that is long in the left-right direction and a resin frame hollow portion 12a that penetrates in the up-down direction. The vertical resin frame 12 has a resin front wall portion 12b that forms the resin frame hollow portion 12a and forms a front surface on the outer periphery, a vertical seal material fitting portion 12c into which a vertical seal material 14 provided on the outdoor side of the resin frame hollow portion 12a is fitted, and a first resin engaging piece 12e that is connected to the vertical seal material fitting portion 12c at a front surface 12d, extends outward, and engages with the first metal engaging piece 11i.

[0024] The resin recessed wall portion 12b has a resin fixing piece 12f that extends indoors and is fastened to the frame with a screw. The resin fixing piece 12f forms the resin frame hollow portion 12a and is provided with a second resin engaging piece 12h that protrudes outward and engages with the second metal engaging piece 11n on the indoor side beyond the indoor wall portion 12g that faces indoors.

[0025] The second resin engagement piece 12h has a tip sighting surface 12i on the outer circumferential side, which is the tip side, located outside of the inner circumferential portion and forming a sighting surface. The outdoor end of the resin sighting wall 12b extends outward and has a resin extension piece 12j that extends outside.

[0026] The vertical frame 4 is joined to the vertical metal frame 11 by having the first resin engagement piece 12e of the vertical resin frame 12 engage with the first metal engagement piece 11i of the vertical metal frame 11 and the second resin engagement piece 12h of the vertical resin frame 12 engage with the second metal engagement piece 11n of the vertical metal frame 11. The vertical resin frame 12 joined to the vertical metal frame 11 protrudes inward beyond the outdoor-side visible surface 11k and the indoor-side visible surface 11l that face the opening 1b of the outdoor-side portion 11f and the indoor-side portion 11g, and a vertical seal material 14 is provided on the outdoor side of the protruding protrusion 12k to form a door stop for the door 3.

[0027] The vertical frame 4 and the lower frame 5 are joined via a waterproofing member 6 arranged on the lower frame 5. The waterproofing member 6 is, for example, a so-called sponge made of synthetic resin, and as shown in Figures 3 and 4, is provided from above the lower frame outdoor portion 8a of the resin lower frame 8 of the lower frame 5 to above the lower sealant 10 provided on the outdoor side of the resin lower frame 8, and is interposed and compressed between the resin vertical frame 12 of the vertical frame 4 to be placed and the vertical sealant 14 provided on the outdoor side of the resin vertical frame 12. When the vertical frame 4 and the lower frame 5 are joined, the visible surface 12d on which the vertical sealant fitting portion 12c of the vertical frame 4 is provided and the protruding portion visible surface 7d and the extending portion visible surface 8d of the lower frame 5 form the same plane.

[0028] As shown in Figures 5 and 6, the vertical frame 4 has a metal vertical frame 11 that extends longitudinally beyond the resin vertical frame 12 and the vertical sealing material 14, and the lower end of the resin vertical frame 12 abuts against the water-stopping member 6 provided on the lower frame outdoor part 8a, and the lower end of the vertical sealing material 14 abuts against the water-stopping member 6 provided on the lower sealing material 10.

[0029] The lower end of the metal vertical frame 11 in the longitudinal direction is disposed on the outdoor side of the resin lower frame 8 and the lower frame extension 7c, and its lower end abuts against the visible surface 7a of the lower frame surface portion 7b of the metal lower frame 7. Therefore, the metal vertical frame 11 of the vertical frame 4 extends further than the resin vertical frame 12 and has a facing portion 11p that faces the resin lower frame 8 and the lower frame extension 7c in the visible direction. The lower sealant 10 is formed shorter than the lower frame main body 9, and the end of the lower sealant 10 faces the indoor-side visible surface 11l that forms the inner peripheral surface of the facing portion 11p.

[0030] In the facing portion 11p, the first metal engagement piece 11i (Fig. 4) has been removed to avoid interference with the resin lower frame 8 of the lower frame 5 and the lower frame extension portion 7c. Therefore, in the facing portion 11p of the vertical frame 4, the indoor-facing surface portion 11d from which the first metal engagement piece 11i has been removed and the indoor surface of the protruding piece 11j connected to the indoor-facing surface portion 11d face the extension portion-facing surface 7d and the extension portion-facing surface 8d in the forward direction, and a gap S (Fig. 4) exists. A portion of the water-stopping member 6 provided over the lower frame outdoor portion 8a and the lower sealant 10 is provided in a bent and compressed state in the gap S.

[0031] More specifically, as shown in Figures 4 and 5, the water-stopping member 6 has a sealant-interposed portion 6a arranged below the vertical sealant 14, a frame-interposed portion 6b connected to the sealant-interposed portion 6a and provided on the indoor side, and arranged on the lower frame outdoor portion 8a, an extended water-stopping portion 6c as a blocking portion extending from the frame-interposed portion 6b to the outdoor side, and an indoor extending portion 6d connected to the frame-interposed portion 6b and extending to the indoor side.

[0032] The inter-sealing portion 6a is provided on the lower sealant 10 to a position approximately equal to the longitudinal end of the lower sealant 10, and the inter-frame portion 6b is provided on the lower frame outdoor portion 8a to a position approximately equal to the longitudinal end of the lower frame outdoor portion 8a. In other words, the inter-frame portion 6b extends more toward the outer periphery than the inter-sealing portion 6a, and an extended water-stopping portion 6c is provided adjacent to the inter-sealing portion 6a on the outdoor side of the extended portion. The extended water-stopping portion 6c is provided only on the inter-sealing portion 6a side of the portion of the inter-frame portion 6b that extends toward the outer periphery, and is not provided on the side opposite the inter-sealing portion 6a.

[0033] Furthermore, since the indoor extending portion 6d extends indoors beyond the portion sandwiched between the lower frame outdoor portion 8a of the resin lower frame 8 and the lower end of the metal vertical frame 11, even if the installation position of the water-stopping member 6 is shifted, it can still be sandwiched between the lower frame outdoor portion 8a and the lower end of the metal vertical frame 11. Therefore, high precision is not required for the positioning of the water-stopping member 6, and the water-stopping member 6 is easy to install and has excellent manufacturability.

[0034] Therefore, when the sealant-interposed portion 6a is positioned on the lower sealant 10 and the frame-interposed portion 6b is positioned on the lower frame outdoor portion 8a, the extended water-stopping portion 6c is adjacent to the outer periphery of the vertical sealant 14 and protrudes further outdoors than the lower frame outdoor portion 8a. The extended water-stopping portion 6c is bent downward and positioned along the protruding portion facing surface 7d and the extending portion facing surface 8d, and is compressed in the gap S between the protruding portion facing surface 7d and the extending portion facing surface 8d and the indoor-side facing surface 11d and the protruding piece 11j. While the extended water-stopping portion 6c contacts the edge of the adjacent lower sealant 10, it is not located on the opposite side of the gap S from the lower sealant 10. Furthermore, the lower end of the extended water-stopping portion 6c abuts the facing surface 7a of the metal lower frame 7, against which the lower end of the vertical metal frame 11 abuts, as shown in FIG. 7 . Furthermore, the lower end of the extended waterproof portion 6c does not necessarily have to abut against the visible surface 7a of the metal lower frame 7.

[0035] Therefore, even if rainwater seeps along the projection surface 7a from between the frame body 2 and the lower end of the door 3 due to rain spraying on the door frame 1 and into the gap between the indoor-side projection surface 11l and the vertical sealant 14, the extended water stopper 6c blocks the gap between the protruding piece 11j and the lower frame overhang 7c, preventing the rainwater from entering the indoor side. Furthermore, the extended water stopper 6c is only provided on the lower sealant 10 side of the gap S, and is not provided or blocked on the opposite side from the lower sealant 10, so the upper part of the projection surface 7a is vertically connected. Therefore, water that reaches the vertical frame 4 can be discharged to the outdoors from the portion of the gap S where the extended water stopper 6c is not provided, along the projection surface 7a of the lower frame 5.

[0036] The water-stopping member 6 is formed by cutting a sheet-like base material into an outer shape in which the sealant-interposed portion 6a, the frame-interposed portion 6b, and the extended water-stopping portion 6c are integrated, and then making an incision at the boundary between the sealant-interposed portion 6a and the extended water-stopping portion 6c up to just before the frame-interposed portion 6b.

[0037] The above-described embodiments are provided to facilitate understanding of the present invention and are not intended to limit the present invention. The present invention may be modified or improved without departing from the spirit thereof, and the present invention includes equivalents thereof. The present embodiment includes at least the following inventions.

[0038] This is a fixture having a frame body in which a shoji screen is supported so that it can rotate freely, with a vertical frame and a horizontal frame forming a frame, the horizontal frame having a projecting surface facing the outer surface of the shoji screen and a protruding portion that projects further toward the inner periphery of the frame body than the projecting surface on the indoor side of the shoji screen, the vertical frame having a resin frame placed on the protruding portion and a metal frame placed on the outdoor side of the resin frame on the outer periphery of the frame body and fitted with the resin frame, the metal frame extending longitudinally further than the resin frame and facing the protruding portion on the outdoor side of the protruding portion, with the extended end having an opposing portion that abuts the projecting surface, the horizontal frame and the vertical frame being joined with a water-stopping member interposed between the protruding portion of the horizontal frame and the resin frame, and the water-stopping member having a blocking portion that is bent to block the gap between the protruding portion and the opposing portion.

[0039] The resin frame of the vertical frame, which constitutes the frame body and is made up of a metal frame and a resin frame fitted together, is placed on the protruding portion of the horizontal frame, and the metal frame of the vertical frame extends longitudinally further than the resin frame and has a facing portion that faces the protruding portion on the outdoor side of the protruding portion, and the extended end of the facing portion abuts against the visible surface, so the protruding portion of the horizontal frame and the facing portion of the vertical frame face each other on the visible surface, and gaps are likely to occur. Therefore, if rainwater enters between the horizontal frame and the bottom edge of the shoji screen along the visible surface of the horizontal frame due to rain spraying on the building materials, there is a risk that the rainwater will seep inside the building.

[0040] According to the fittings of the present invention, the gap between the overhanging portion and the opposing portion is blocked by the blocking portion of the water-stopping member, making it possible to prevent rainwater and other water from entering the indoor side. This makes it possible to provide fittings with superior water-stopping properties, even while using a composite frame in which a metal frame and a resin frame are fitted together. Furthermore, because the blocking portion is provided in the water-stopping member interposed between the joined horizontal and vertical frames, there is no need to provide a new member to block the gap. This reduces the number of parts and simplifies joining the vertical and horizontal frames.

[0041] Such a fixture is characterized in that the blocking portion blocks the inner peripheral side of the gap between the protruding portion and the opposing portion on the frame body, and does not block the outer peripheral side of the frame body.

[0042] With this type of fitting, the blocking section blocks only the inner periphery of the frame in the gap between the overhanging section and the opposing section, leaving the outer periphery open above the visible surface on the outer periphery of the gap. Therefore, water that reaches the inner periphery of the frame is prevented from entering by the blocking section on the inner periphery of the frame, and on the outer periphery, water that has entered the vertical frame can be discharged outdoors along the visible surface of the horizontal frame.

[0043] Such a fixture is characterized in that the water-stopping member has an indoor extension portion that extends indoors beyond the portion sandwiched between the horizontal frame and the vertical frame.

[0044] With this type of fixture, the water-stopping member has an indoor extension portion that extends indoors beyond the portion sandwiched between the horizontal and vertical frames, so even if the installation position of the water-stopping member shifts, it can still be sandwiched between the horizontal and vertical frames. Therefore, high precision is not required for the positioning of the water-stopping member, making it easy to install and easy to manufacture. [Explanation of symbols]

[0045] 1 Door, 2 Frame, 3 Door, 3a Door bottom (outer surface), 4 Vertical frame, 5 Lower frame (horizontal frame), 6 Water stop member, 6c Extended water stop part, 6d Indoor extension part, 7a prospective surface, 7c lower frame extension, 11 metal vertical frame, 11p opposing part, 12 Resin vertical frame, S gap

Claims

1. A fitting having a frame body in which vertical and horizontal frames are framed and a shoji screen is rotatably supported, The horizontal frame has a projection surface facing the outer peripheral surface of the shoji screen and a protruding portion that protrudes toward the inner peripheral side of the frame body beyond the projection surface on the indoor side of the shoji screen, The vertical frame includes a resin frame disposed on the protruding portion, and a metal frame disposed on the outdoor side of the resin frame and on the outer periphery of the frame body and fitted with the resin frame, The metal frame has a facing portion that extends longer than the resin frame in the longitudinal direction and faces the protruding portion on the outdoor side of the protruding portion, and the extended end portion abuts against the visible surface, The horizontal frame and the vertical frame are joined with a water-stopping member interposed between the protruding portion of the horizontal frame and the resin frame, The water-stopping member is characterized in that it has a closing portion that is bent to close the gap between the protruding portion and the opposing portion.

2. The fitting according to claim 1, The blocking portion blocks the inner peripheral side of the frame body in the gap between the protruding portion and the opposing portion, and does not block the outer peripheral side of the frame body.

3. The fitting according to claim 1 or claim 2, The water-stopping member is characterized in that it has an indoor extension portion that extends indoors beyond the portion sandwiched between the horizontal frame and the vertical frame.

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