JP7746202B2 - Building materials - Google Patents

Description

The present invention relates to building materials that use composite frames made of metal frames and synthetic resin frames.

Conventionally, building fixtures have been known that have a frame body in which the upper, lower, and left and right vertical frames are made of composite frame materials that combine metal frame materials formed from aluminum extrusions with resin frame materials formed from resin extrusions (see, for example, Patent Document 1). The frame body of this building fixture has horizontal frames that form the upper and lower frames, which are positioned between the upper and lower ends of the left and right vertical frames, and the longitudinal ends of the horizontal frames are joined facing the sides of the vertical frames.

JP 2018-48484 A

When using frames made of composite horizontal and vertical frames, such as those used in the conventional building fixtures described above, if a large external force is accidentally applied to the resin frame, the resin frame may become deformed or damaged, requiring the resin frame to be replaced. When replacing the resin frame, it is desirable to remove only the resin frame while the metal frame remains fixed to the main body, to make the process easier. However, for example, in cases where the longitudinal ends of the horizontal frames are joined facing the sides of the vertical frames, as in the conventional frames described above, the resin frame members of the horizontal members can be removed, but the resin frame members of the vertical members may interfere with the metal frame members of the horizontal members and cannot be removed, even if the resin frame members of the horizontal members are removed.

For this reason, the interfering portions of the horizontal metal frame material are cut out so that the vertical resin frame material can be removed. In a frame structure like this, where one end of the vertical and horizontal frames is joined facing the other side, providing a cutout at the joint between the horizontal and vertical frames poses a risk of reducing the watertightness of the joint between the horizontal and vertical frames.

The present invention was made in consideration of these issues, and its purpose is to provide a building material that has excellent water-tightness while allowing the resin frame material of the frame body, which uses composite frame material, to be removable.

The main invention for achieving this object is a fitting having a frame body framed with a plurality of composite frame materials, each frame being formed by fitting together a resin frame made of synthetic resin and a metal frame made of metal, wherein one of two adjacent composite frame materials joined together has a concealed surface formed by cutting away a portion of the metal frame that protrudes toward the other composite frame material, and is joined to the other of the two composite frame materials via a first water-stopping member between the concealed surface and an end of the other composite frame material in the longitudinal direction, and the wood of one of the composite frame materials is The longitudinal end of the oil frame is positioned opposite the visible surface of the resin frame of the other composite frame material, and is removably attached to the metal frame of one of the composite frame materials, and the protruding portion of the metal frame of one of the composite frame materials is cut away to form the visible surface so that the resin frame of the other composite frame material can be released from the engagement with the metal frame and removed, and this is a fixture characterized in that a second water-stopping member is provided on the visible surface at a portion that faces the end of the other resin frame when framed and when moved.
Other features of the present invention will become apparent from the description of this specification and the accompanying drawings.

This invention makes it possible to provide fittings that have superior water-tight properties while still allowing the resin frame material of the frame body, which uses composite frame material, to be removable.

FIG. 2 is a vertical cross-sectional view of the fitting according to the present embodiment. FIG. 2 is a cross-sectional view of the fitting according to the present embodiment. FIG. 2 is an enlarged view of part A in FIG. 1. FIG. 3 is an enlarged view of part B in FIG. 2 . 4 is a cross-sectional view taken along the line CC in FIG. 3. This is an oblique view from the indoor side to explain the joint between the metal vertical frame and the lower frame. FIG. 10 is a perspective view illustrating a waterproofing member interposed between the metal vertical frame and the lower frame. 10A and 10B are diagrams illustrating how the resin lower frame is removed.

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 and forming an opening 1b, and a door 3 serving as a shoji screen attached to the frame body 2 via a hinge 1a so as to be able to be opened and closed freely.

As shown in Figure 2, in the fitting 1 of this embodiment, the door 3 is attached to the left-hand 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 direction from indoors to outdoors is referred to as the look-through direction. Furthermore, in the look-through 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.

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 vertical frames 4 and horizontal frames 5 of the frame body 2 are joined with water-stopping members 15, 16 (described below) interposed between the visible surfaces of the vertical frames 4 and the longitudinal ends of the upper and lower horizontal frames 5. Below, the joint between the vertical frames 4 and horizontal frames 5 will be explained using the joint between the left vertical frame 4 and the lower horizontal frame 5 as an example. For the left vertical frame 4 (hereinafter simply referred to as the vertical frame), the inside of the frame body is the right side, and the outer periphery is the left side. For the lower horizontal frame 5 (hereinafter simply referred to as the lower frame), the inner periphery of the frame body 2 is the upper side, and the outer periphery is the lower side.

As shown in Figure 3, the lower frame 5 comprises a lower frame body 9 made of a composite member consisting of a metal lower frame 7 made of metal and a resin lower frame 8 made of synthetic resin, fitted together, and a lower seal material 10 that is arranged along the longitudinal direction of the lower frame body 9 and serves as a door stop for the door 3. Furthermore, both the metal lower frame 7 and the resin lower frame 8 are extruded members whose extrusion direction is in the left-right direction (longitudinal direction).

When the door 3 is closed, the metal lower frame 7 has a lower frame surface portion 7b with a lower frame facing surface 7a that faces the lower surface 3a, which forms the outer periphery of the door 3, and a lower frame extension portion 7c that extends upward toward the interior of the door beyond the lower frame surface portion 7b. The lower frame extension portion 7c is provided with two metal engagement portions 7d with which the resin lower frame 8 engages.

The resin sill 8 has an outdoor section 8a that fits over the lower frame extension 7c and covers the upper part of the extension 7c, and an indoor section 8b that is located on the indoor side of the outdoor section 8a and fixed to the main body. The underside of the outdoor section 8a is provided with resin engagement pieces 8c that hang down from approximately the center in the projection direction and the indoor side edge and engage with two metal engagement pieces 7d on the metal sill 7.

The lower frame 5 is joined to the metal lower frame 7 by two resin engagement pieces 8c of the resin lower frame 8 engaging with two metal engagement parts 7d of the metal lower frame 7. The resin lower frame 8 can be removed by pulling it upward to release the engagement between the resin engagement pieces 8c and the metal engagement parts 7d.

A lower sealant 10 is provided on the outdoor side of the lower frame extension 7c. The lower sealant 10 is fitted into a lower seal fitting 7f, which is provided on the facing surface 7e 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 that it protrudes toward the outdoor side of the lower frame extension 7c.

The lower frame outdoor section 8a is mounted on the lower frame extension section 7c, forming a horizontal surface, with the outdoor end extending downward to form a lower frame extension section 8d. The outdoor facing surface of the lower frame extension section 8d (hereinafter referred to as the extension section facing surface) 8e and the extension section facing surface 7e form approximately the same plane.

When the door 3 is closed, the lower seal material 10 fitted into the lower seal fitting portion 7f is pressed by the door 3 towards the lower frame extension portion 7c, abutting the extension portion visible surface 8e and the extension portion visible surface 7e, 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.

As shown in Figure 4, the vertical frame 4 comprises a vertical frame body 13 made of a composite member consisting of a metal vertical frame 11 made of metal and a resin vertical frame 12 made of synthetic resin, 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 shapes whose extrusion direction is in the up-down direction (longitudinal direction).

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

The inner peripheral 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 located closer to the outer periphery than the outdoor portion 11f, creating a step. As shown in Figure 2, a door 3 is attached to the outdoor portion 11f of the inner peripheral wall 11b via hinges 1a so that it can be opened and closed freely.

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

A first metal engagement piece 11i is provided near the inner edge of the indoor sighting surface 11d, extending indoors with its end extending inward to engage with the resin vertical frame 12. Also, a protruding piece 11j is provided on the inner edge of the indoor sighting surface 11d, protruding further inward than the indoor side portion 11g, and extending along the indoor sighting surface 11d.

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

At the indoor end of the outer wall portion 11c, which extends indoors beyond the indoor-facing surface portion 11d, an indoor extension piece 11m is provided, extending inward. A second metal engagement piece 11n that engages with the resin vertical frame 12 is provided on the outdoor side of the indoor extension piece 11m. The second metal engagement piece 11n is provided facing the outdoor side of the indoor extension piece 11m with a small gap between them. A hook piece 11o that protrudes indoors is provided at the inner end of the second metal engagement piece 11n.

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

The resin wall portion 12b has a resin fixing piece 12f that extends indoors and is screwed to the frame. 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 from the indoor wall portion 12g facing the indoors and engages with the second metal engaging piece 11n.

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

The vertical frame 4 is joined to the metal vertical frame 11 by fitting the first resin engagement piece 12e of the vertical resin frame 12 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 with the second metal engagement piece 11n of the vertical metal frame 11. The vertical resin frame 12 can be removed by moving it inward to disengage the first resin engagement piece 12e and the second resin engagement piece 12h from the first metal engagement piece 11i and the second metal engagement piece 11n.

The resin vertical frame 12 joined to the metal vertical 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. A vertical seal 14 is provided on the outdoor side of the protruding portion 12k, forming a door stop for the door 3.

The vertical frame 4 and the lower frame 5 are joined via a waterproof sheet 6 placed on top of the lower frame 5. The waterproof sheet 6 is, for example, a synthetic resin sponge. As shown in Figures 3 and 4, the waterproof sheet 6 is placed from above the 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. It is interposed and compressed between the resin vertical frame 12 of the placed vertical frame 4 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 longitudinal end 12l of the resin vertical frame 12 is positioned vertically opposite the outdoor portion 8a and indoor portion 8b of the lower frame 8, which form the visible surface of the resin lower frame 8. Therefore, in order to remove the resin lower frame 8, the resin vertical frame 12 must first be removed.

As shown in Figures 5 and 6, the vertical frame 4 and the lower frame 5 are joined by waterproofing members 15, 16 at the longitudinal end 5a of the lower frame 5 to the vertical frame 4. As shown in Figure 7, the lower end of the metal vertical frame 11 of the vertical frame 4 has a visible surface 11p formed in a position facing the longitudinal end 5a of the lower frame 5.

The visible surface 11p is the inner peripheral surface of the outer peripheral wall portion 11c, and the lower end portions of the indoor extension piece 11m and second metal engagement piece 11n provided on the metal vertical frame 11 have been removed. The first metal engagement piece 11i provided on the indoor visible surface portion 11d has also been removed. This allows the longitudinal end 5a of the lower frame 5 to face the visible surface 11p via the water-stopping members 15, 16.

That is, as shown in FIG. 8(a), the projection surface 11p provided on the vertical metal frame 11 has a facing portion R1 that faces the end 8f of the resin lower frame 8 when the vertical frame 4 and the lower frame 5 are joined, and an expanded portion R2 that extends above the facing portion R1 so that, after the vertical resin frame 12 is removed, the resin lower frame 8 can be lifted and moved upward to release its engagement with the metal lower frame 7 and removed, as shown in FIG. 8(b). Furthermore, the lower end portions of the inner peripheral wall portion 11b and outer peripheral wall portion 11c that form the hollow portion 11a of the vertical metal frame 11 have also been removed so that the entire end of the metal lower frame 7 faces the projection surface 11p via the water-stopping member.

The first water-stopping member 15, provided on the visible surface 11p of the metal vertical frame 11, is arranged so as to extend from the area where the edge 5a of the lower frame 5 faces to the expanded area R2 when the vertical frame 4 and the lower frame 5 are joined. A second water-stopping member 16 is provided on the surface of the first water-stopping member 15 facing the lower frame 5, in an area including the expanded area R2 and the opposing area R1. The second water-stopping member 16 is made of a material with a higher compressibility than the first water-stopping member 15. For example, butyl rubber is used for the first water-stopping member 15, and ethylene propylene rubber, which has a higher compressibility than the first water-stopping member 15, is used for the second water-stopping member 16.

In the fitting 1 of this embodiment, the metal vertical frame 11 of the vertical frame 4 has a projection surface 11p, through which the first water-stopping member 15 and the second water-stopping member 16 are interposed between the metal vertical frame 11 and the longitudinal end 5a of the bottom frame 5, formed by cutting away the indoor extension piece 11m and the second metal engagement piece 11n that protrude toward the bottom frame 5. This projection surface 11p has an expansion section R2 above the opposing section R1 that faces the resin bottom frame 8 of the bottom frame 5, allowing the resin bottom frame 8 to be removed. Therefore, after removing the resin vertical frame 12, the resin bottom frame 8 can be removed by pulling it upward to disengage the resin engagement piece 8c from the metal engagement section 7d, without removing the metal vertical frame 11 or separating the vertical frame 4 and bottom frame 5.

In addition, the second water-stopping member 16 is provided on the visible surface 11p of the metal vertical frame 11 in an area including the expansion portion R2 and the opposing portion R1. Therefore, even if the protruding indoor extension piece 11m and second metal engagement piece 11n of the metal vertical frame 11 are removed, the gap created in the removed area can be sealed with the second water-stopping member 16, preventing the infiltration of rainwater, etc. This makes it possible to provide a fitting 1 with even better water-stopping properties.

In addition, because the second water-stopping member 16 has a higher compression rate than the first water-stopping member 15, when removing the resin lower frame 8, it can be more easily removed by compressing it more. Furthermore, since resin frame materials tend to expand and contract due to temperature changes, by interposing the second water-stopping member 16 between the longitudinal end 8f of the resin lower frame 8 and the metal vertical frame 11, even if the resin lower frame 8 expands and contracts, the second water-stopping member 16 expands and contracts in response to this expansion and contraction, making it possible to maintain excellent water-stopping properties.

In addition, because the second water-stopping member 16 is installed overlapping the first water-stopping member 15, there are no areas where the water-stopping member is interrupted between the first water-stopping member 15 and the second water-stopping member 16. This makes it possible to provide a fitting 1 with superior water-stopping properties.

In the above embodiment, the joint between the left-side vertical frame and the lower frame was used as an example, but this is not limited to the joint between the left-side vertical frame and the lower frame, as long as the vertical frame and the horizontal frame are joined together in the frame body. Furthermore, in the above embodiment, an example was described in which the longitudinal end of the horizontal frame is joined to the visible surface of the vertical frame, but this is not limiting, and the frame body may also be one in which the longitudinal end of the vertical frame is joined to the visible surface of the horizontal frame.

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.

A fixture having a frame body framed with multiple composite frame materials, each composed of a synthetic resin frame and a metal frame fitted together. Of two adjacent composite frame materials joined together, one of the composite frame materials has a visible surface formed by cutting away the portion of the metal frame that protrudes toward the other composite frame material. The first waterproofing member is interposed between the visible surface and the longitudinal end of the other composite frame material. The resin frame of one of the composite frame materials is is positioned opposite the visible surface of the resin frame of the other composite frame material and is removably attached to the metal frame of one of the composite frame materials, the protruding portion of the metal frame of the one composite frame material is cut away to form the visible surface so that the resin frame of the other composite frame material can be disengaged from the metal frame and removed, and a second water-stopping member is provided on the visible surface at a location that faces the edge of the other resin frame when framed and when moved.

In this type of fitting, the metal frame of one composite frame material has a projection surface formed by cutting away the portion that protrudes toward the other composite material, through which the first waterproofing member is interposed between the metal frame and the longitudinal end of the other composite frame material. This projection surface has a protruding portion cut away so that the resin frame of the other composite frame material can be moved to release it from the metal frame and remove it. Therefore, after removing one resin frame, it is possible to remove the other resin frame without removing the metal frame or separating the two composite frame materials.

In addition, a second water-stopping member is provided on the visible surface of one of the metal frames in a section that faces the edge of the other resin frame when the frame is assembled and when moved. Therefore, even if a protruding section of one of the composite members is cut away, the gap that forms in the cut-out section can be sealed with the second water-stopping member, preventing the infiltration of rainwater, etc. This makes it possible to provide fittings with even better water-stopping properties.

In such a fitting, the second water-stopping member has a higher compressibility than the first water-stopping member.
In this type of fitting, the second water-stopping member has a higher compressibility than the first water-stopping member, so when removing the other resin frame, it can be more easily removed by compressing it more. Furthermore, since resin frames tend to expand and contract due to temperature changes, by interposing the second water-stopping member between the longitudinal end of the other resin frame and one of the metal frames, even if the other resin frame expands and contracts, the second water-stopping member expands and contracts in response to that expansion and contraction, making it possible to maintain excellent water-stopping properties.

Such a fixture is characterized in that the second water-stopping member is provided overlapping the first water-stopping member.
In this type of fitting, the second waterproofing member is provided overlapping the first waterproofing member, so no gap is formed between the first waterproofing member and the second waterproofing member, thereby enabling the fitting to have better waterproofing properties.

1 Door and window frame, 2 Frame body, 4 Vertical frame, 5 Bottom frame (horizontal frame), 5a Longitudinal end of bottom frame,
7 metal lower frame, 8 resin lower frame, 8a lower frame outdoor part, 8b lower frame indoor part,
11 metal vertical frame, 11m indoor extension piece, 11n second metal engagement piece, 11p prospective surface,
12 resin vertical frame, 12l longitudinal end of resin vertical frame,
15 First water-stopping member, 16 Second water-stopping member R1 Opposing portion, R2 Expanding portion,

Claims (3)

A fitting having a frame body framed by a plurality of composite frame materials in which a resin frame made of synthetic resin and a metal frame made of metal are fitted together,
One of the two composite frame materials that are adjacent to each other and joined has a visible surface formed by cutting off a portion of the metal frame that protrudes toward the other composite frame material,
The other of the two composite frame materials is joined to the visible surface via a first water-stopping member between the visible surface and the longitudinal end of the other of the two composite frame materials,
The resin frame of one of the composite frame materials is arranged so that a longitudinal end faces the visible surface of the resin frame of the other composite frame material, and is removably attached to the metal frame of the one of the composite frame materials,
The metal frame of one of the composite frame materials has the protruding portion cut away to form the visible surface so that the resin frame of the other composite frame material can be disengaged from the metal frame and removed,
This building fixture is characterized in that a second water-stopping member is provided on the visible surface at a position opposite the end of the other resin frame when framed and when moved. The fitting according to claim 1,
The second water-stopping member has a higher compressibility than the first water-stopping member. The fitting according to claim 1 or claim 2,
The second waterproofing member is disposed so as to overlap the first waterproofing member.