Joinery

Abstract

To provide a joinery capable of ensuring reliable airtightness by continuously connecting an airtight line of a meeting stile part to an airtight material of upper and lower frames without being divided.SOLUTION: There is provided a joinery that is provided in the opening and is housed in a frame that framed all four sides, and is provided with a double door stile 100 that has a front door stile 2 and a rear door stile 3. A rear-opening stile 33 of the rear-opening stile door 3 is provided with a combination airtight material 5 extending in the vertical direction Y. The stile airtight material 5 is provided in each of the upper frame and the lower frame of the frame and is provided in close contact with a horizontal airtight material extending in the horizontal direction. The front-opening stile 23 of the front-opening stile door 2 is configured to be closed by coming in contact with the rear-opening side door stop 42 of the rear-opening stile 33 of the rear door stile 3, with a fin part 522 of the stile airtight material 5 being sandwiched.SELECTED DRAWING: Figure 5

Description

[Technical field]

[0001] The present disclosure relates to building materials. [Background technology]

[0002] Conventionally, in building fixtures equipped with double-sash doors having a front-sash door and a rear-sash door, as shown in Patent Document 1, for example, the airtight material installed on the joint frame is cut halfway and an airtight piece is attached from the cut part. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2016-089586 A Summary of the Invention [Problem to be solved by the invention]

[0004] Conventional double-leaf door frames tend to have gaps at the joints between the frame and the end caps, making it difficult to ensure stable airtightness and watertightness.

[0005] The present disclosure provides a fitting that can ensure reliable airtightness by continuously connecting the airtight line of the joint part to the airtight materials of the upper and lower frames without being interrupted. [Means for solving the problem]

[0006] A fixture according to one embodiment of the present disclosure is a fixture provided with a double-opening frame door having a front-opening frame door and a rear-opening frame door, which is provided at an opening and is housed in a frame body that is framed on all four sides, and in which a rear-opening frame door is provided with a rear-opening frame door mating frame that extends in the vertical direction, and the mating airtight material is provided in liquid-tight contact with horizontal airtight materials that are provided on the upper and lower frames of the frame body and extend horizontally, and the front-opening frame door mating frame is closed by abutting against the rear-opening frame door mating frame of the rear-opening frame door with the mating airtight material held in place. [Brief description of the drawings]

[0007] [Figure 1] FIG. 1 is a perspective view of a double stile door according to one embodiment of the present disclosure, viewed from the exterior side. [Diagram 2] FIG. 2 is a cross-sectional view taken along line AA shown in FIG. 1, showing a vertical cross-sectional view of a double-stile door. [Diagram 3] 2 is a cross-sectional view taken along line BB shown in FIG. 1, and is a horizontal cross-sectional view of the double-stile door. [Figure 4] 2 is a cross-sectional view taken along line CC shown in FIG. 1, and is a vertical cross-sectional view of the joint frame portion. [Diagram 5] 4 is an enlarged view of a main part of a portion indicated by an arrow D in FIG. 3. [Figure 6] FIG. 6 is a diagram showing the state before the front-opening stile door is closed in FIG. 5. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0008] Hereinafter, a fitting according to one embodiment of the present disclosure will be described with reference to the drawings, using a double-leaf stile door as an example.

[0009] As shown in Figures 1 to 3, a double-opening frame door 100 (fitting) according to this embodiment is installed in an exterior wall opening of an exterior wall of a building. The double-opening frame door 100 comprises a frame body 1, a front-opening frame door 2, and a rear-opening frame door 3. The front-opening frame door 2 is provided with a front door stop 41 (described later), so that after the front-opening frame door 2 is opened to the outside, the rear-opening frame door 3 can be opened to the outside. The front-opening frame door 2 and the rear-opening frame door 3 each contain double-glazed glass 29, 39.

[0010] In the following description, the direction connecting the outdoor side and the indoor side (the direction perpendicular to the exterior wall that forms the aforementioned opening of the building, the left-right direction on the paper in FIG. 2) is referred to as the indoor-outdoor direction Z, the horizontal direction connecting the left side and right side when viewed from the indoor-outdoor direction Z is referred to as the left-right direction X, and the direction perpendicular to the left-right direction X when viewed from the indoor-outdoor direction Z (the up-down direction on the paper in FIG. 2) is referred to as the up-down direction Y. Also, each member and part that constitutes the double-swing frame door 100 will be described using the indoor-outdoor direction Z, the left-right direction X, and the up-down direction Y in the position in which it is provided at the opening.

[0011] The frame body 1 is formed in a four-sided frame shape. The frame body 1 has an upper frame 11, a lower frame 12, and a pair of vertical frames 13. The frame body 1 may be formed in a three-sided frame shape by having only the upper frame 11 and the pair of vertical frames 13 without having the lower frame 12.

[0012] The upper frame 11 and the lower frame 12 extend in the left-right direction X. As shown in Fig. 2 and Fig. 4, a horizontal airtight material 15 for the upper frame 11 extending along the length direction (left-right direction X) of the upper frame 11 is provided on a surface 11a of the upper frame 11 located in the middle in the indoor / outdoor direction Z and facing the outdoors. The horizontal airtight material 15 for the upper frame 11 is in liquid-tight contact with the indoor side surface (upper frame 21 described later) of the front-opening frame door 2 and the indoor side surface (upper frame 21 described later) of the rear-opening frame door 3 when the front-opening frame door 2 and the rear-opening frame door 3 are closed. A lower frame airtight material 15 extending along the length direction (left-right direction X) of the lower frame 12 is provided on a surface 12a of the lower frame 12 located in the middle in the indoor / outdoor direction Z and facing the outdoors. The horizontal airtight material 16 for the bottom frame 12 is in liquid-tight contact with the indoor surfaces of the front-opening frame door 2 and the rear-opening frame door 3 when the front-opening frame door 2 and the rear-opening frame door 3 are closed.

[0013] As shown in Fig. 3, the vertical frames 13 extend in the up-down direction Y. Each vertical frame 13 connects an end of the upper frame 11 to an end of the lower frame 12. In this embodiment, the frame body 1 is configured as a composite frame made of a metal frame such as aluminum and a resin frame. Of the pair of vertical frames 13, the vertical frame 13 on the left side (the side where the front-opening frame door 2 is arranged) when viewed from the indoor side may be referred to as vertical frame 13A, and the vertical frame 13 on the right side (the side where the rear-opening frame door 3 is arranged) may be referred to as vertical frame 13B.

[0014] The front-opening frame door 2 is disposed on one side in the left-right direction X inside the frame body 1. The rear-opening frame door 3 is disposed on the other side in the left-right direction X inside the frame body 1. In this embodiment, the front-opening frame door 2 is disposed on the left side and the rear-opening frame door 3 is disposed on the right side when viewed from the indoor side, but the front-opening frame door 2 may be disposed on the right side and the rear-opening frame door 3 may be disposed on the left side when viewed from the indoor side.

[0015] The first-opening frame door 2 is attached to the vertical frame 13A via a hinge 16 shown in FIG. 3 so as to be openable and closable to the outside (see FIG. 1). As shown in FIG. 1, the first-opening frame door 2 has a first-opening frame body 20 and a first-opening panel material 29. The first-opening frame body 20 is formed in a four-sided frame shape. The first-opening panel material 29 is fitted into the first-opening frame body 20.

[0016] As shown in Fig. 1, the first-opening frame 20 has a first-opening upper frame 21, a first-opening lower frame 22, a first-opening joint frame 23, and a first-opening hanging frame 24. In this embodiment, the first-opening frame 20 is made of a composite material made of a metal material such as aluminum and a resin material.

[0017] The first-opening upper frame 21 and the first-opening lower frame 22 extend in the left-right direction X. The first-opening joint frame 23 and the first-opening hanging frame 24 extend in the up-down direction Y. The first-opening joint frame 23 is disposed on the joint side, and the first-opening hanging frame 24 is disposed on the hanging side. The first-opening joint frame 23 and the first-opening hanging frame 24 connect the end of the first-opening upper frame 21 and the end of the first-opening lower frame 22. A door closer (not shown) is provided between the first-opening upper frame 21 and the upper frame 11. The door closer has the function of automatically closing the first-opening frame door 2 when it is opened.

[0018] A handle 27 is provided on the front-opening door frame 23. The handle 27 enables the front-opening door frame 2 to be opened and closed. As the handle 27, a so-called push-pull handle, a ball-shaped door knob, or the like can be used.

[0019] A latch (not shown) is provided in a manner that allows it to protrude and retract toward the rear-opening frame door 3 at the middle in the up-down direction Y of a front-opening door front panel portion 233 (see FIG. 3) of the front-opening door joint frame 23, which will be described later. The latch protrudes and engages with a latch receiver (not shown) of the rear-opening frame door 3, which will be described later, thereby enabling the front-opening frame door 2 and the rear-opening frame door 3 to be temporarily held in place. The front-opening door joint frame 23 is provided with a locking device 28 such as a deadbolt. The locking device 28 allows the front-opening frame door 2 and the rear-opening frame door 3 to be locked and unlocked.

[0020] The rear-opening frame door 3 is attached to the vertical frame 13B via a hinge 17 shown in FIG. 3 so as to be openable and closable to the outside. The rear-opening frame door 3 has a rear-opening frame body 30 and a rear-opening panel material 39. The rear-opening frame body 30 is formed in a four-sided frame shape. The rear-opening panel material 39 is fitted into the rear-opening frame body 30.

[0021] As shown in Fig. 1, the rear-opening frame 30 has a rear-opening upper frame 31, a rear-opening lower frame 32, a rear-opening joint frame 33, and a rear-opening hanging frame 34. In this embodiment, the rear-opening frame 30 is made of a composite material made of a metal material such as aluminum and a resin material.

[0022] The rear-opening upper frame 31 and the rear-opening lower frame 32 extend in the left-right direction X. The rear-opening joint frame 33 and the rear-opening hanging frame 34 extend in the up-down direction Y. The rear-opening joint frame 33 is disposed on the joint side, and the rear-opening hanging frame 34 is disposed on the hanging side. The rear-opening joint frame 33 and the rear-opening hanging frame 34 connect the end of the rear-opening upper frame 31 and the end of the rear-opening lower frame 32.

[0023] A latch receiver (not shown) is provided so as to be recessed inward on the rear-opening door front panel portion 333 (see FIG. 3) of the rear-opening door frame 33. The latch of the front-opening door frame 23 can be locked to the latch receiver. As shown in FIG. 3, a gap S is provided in the left-right direction X between the front-opening joint frame 23 of the front-opening frame door 2 and the rear-opening joint frame 33 of the rear-opening frame door 3 when the doors are closed.

[0024] Below, we will explain the joint airtight material 5 and auxiliary airtight material 6 provided on the rear-opening joint frame 33 of the front-opening frame door 2.

[0025] First, the configuration of the first-opening door frame 23 will be described. As shown in Fig. 3 and Fig. 5, the first-opening door frame 23 has a first-opening outdoor side plate 231, a first-opening indoor side plate 232, a first-opening door front plate 233, and a first-opening intermediate plate 234.

[0026] The first-opening outdoor side panel 231 is formed in a plate shape. The plate surface of the first-opening outdoor side panel 231 faces the indoor / outdoor direction Z. The first-opening indoor inner panel 232 is formed in a plate shape. The plate surface of the first-opening indoor inner panel 232 faces the indoor / outdoor direction Z. The first-opening door leading panel 233 is formed in a plate shape. The plate surface of the first-opening door leading panel 233 faces the left-right direction X. The first-opening door leading panel 233 connects the door leading end of the first-opening outdoor side panel 231 and the door leading end of the first-opening indoor inner panel 232.

[0027] As shown in Fig. 3, the first-opening intermediate plate portion 234 is formed in a plate shape. The plate surface of the first-opening intermediate plate portion 234 faces the left-right direction X. The first-opening intermediate plate portion 234 connects an end portion opposite to the door tip side of the first-opening outdoor side plate portion 231 and an end portion opposite to the door tip side of the first-opening indoor inner plate portion 232. The inside surrounded by the first-opening outdoor side plate portion 231, the first-opening indoor inner plate portion 232, the first-opening door tip plate portion 233, and the first-opening intermediate plate portion 234 is rectangular in horizontal cross section and is hollow extending in the up-down direction Y.

[0028] A first-opening side door stopper 41 is provided at the corner between the first-opening outdoor side plate 231 and the first-opening door leading plate 233 (see FIG. 1). The first-opening side door stopper 41 is provided over substantially the entire length of the first-opening joint frame 23 in the up-down direction Y. The first-opening side door stopper 41 has a first surface portion 411 and a second surface portion 412. The first surface portion 411 extends from the corner between the first-opening outdoor side plate 231 and the first-opening door leading plate 233 to the outdoor side. The first surface portion 411 is formed in a plate shape, and its plate surface faces the left-right direction X. The second surface portion 412 extends from the outdoor end of the first surface portion 411 to the rear-opening frame door 3 side along the width direction. The second surface portion 412 is formed in a plate shape, and its plate surface faces the indoor-outdoor direction Z.

[0029] Next, the configuration of the rear-opening door frame 33 will be described. As shown in Fig. 3, the rear-opening door frame 33 has a rear-opening outdoor side panel 331, a rear-opening indoor side panel 332, a rear-opening door front panel 333, and a rear-opening intermediate panel 334.

[0030] The rear-opening outdoor side panel 331 is formed in a plate shape. The plate surface of the rear-opening outdoor side panel 331 faces the indoor / outdoor direction Z. The rear-opening roof inner panel 332 is formed in a plate shape. The plate surface of the rear-opening roof inner panel 332 faces the indoor / outdoor direction Z. The rear-opening door leading panel 333 is formed in a plate shape. The plate surface of the rear-opening door leading panel 333 faces the left-right direction X. The rear-opening door leading panel 333 connects the door leading end of the rear-opening outdoor side panel 331 and the door leading end of the rear-opening roof inner panel 332.

[0031] The rear-opening intermediate plate 334 is formed in a plate shape. The plate surface of the rear-opening intermediate plate 334 faces the left-right direction X. The rear-opening intermediate plate 334 connects the end portion opposite the door tip side of the rear-opening outdoor side plate 331 and the end portion opposite the door tip side of the rear-opening interior plate 332. The inside surrounded by the rear-opening outdoor side plate 331, the rear-opening interior plate 332, the rear-opening door tip plate 333 and the rear-opening intermediate plate 334 is rectangular in horizontal cross section and is hollow extending in the up-down direction Y.

[0032] As shown in FIG. 5, the rear-opening side door stop 42 is provided at the indoor side end of the end 332e of the rear-opening roof side panel 332, which protrudes toward the front-opening frame door 2 side in the left-right direction X beyond the rear-opening door front panel 333. The end 332e of the rear-opening roof side panel 332 is provided with a locking piece 332f bent toward the outdoor side. A locking piece 333e is provided slightly outdoors from the indoor side end of the rear-opening door front panel 333, protruding toward the front-opening frame door 2 side and bent toward the indoor side. The base 51 of the joint airtight material 5 is locked between the locking pieces 332f, 333e.

[0033] A pair of locking pieces 421, 422 protruding to the outside are provided at the end of the rear-opening side door stop 42 on the front-opening frame door 2 side. The first locking piece 421 protrudes to the outside and is bent in the left-right direction X toward the right side of the paper. The second locking piece 422 is disposed to the right of the first locking piece 421 with a gap therebetween, protrudes to the outside and is bent in the left-right direction X toward the left side of the paper. The base 61 of the auxiliary airtight material 6 is locked between the pair of locking pieces 421, 422. A fitting recess 423 for mounting a cover member 43 described later is provided on both sides of the rear-opening side door stop 42 in the left-right direction X.

[0034] As shown in Figures 5 and 6, the joint airtight material 5 has a base 51 that is engaged with the rear-opening door front panel 333, and an airtight part 52 that extends from the base 51 toward the front-opening joint frame 23 so as to be interposed in the gap S. The airtight part 52 of the joint airtight material 5 has a generally triangular shape in horizontal cross section and is hollow inside. The airtight part 52 has a band-shaped fin part 522 that protrudes further toward the front-opening frame door 2 side from a first apex 521a on the front-opening frame door 2 side on the indoor side of the triangular part 521.

[0035] The fin portion 522 extends to a position where it overlaps in the indoor / outdoor direction Z with the front-opening inner side plate portion 232 of the front-opening joint frame 23 in the closed state. The fin portion 522 is sandwiched at least between the front-opening inner side plate portion 232 of the front-opening joint frame 23 and the rear-opening side door stop 42 of the rear-opening joint frame 33.

[0036] The airtight section 52 is provided with an inclined surface section 523 at the second apex 521b on the outdoor side of the triangular section 521, which is on the side of the front-opening frame door 2. The inclined surface section 523 forms an inclined surface that gradually extends toward the outdoor side from the second apex 521b toward the front-opening joint frame 23. By providing the inclined surface section 523, rainwater from the outdoor side flows downward along the outdoor surface, and is prevented from flowing into the indoor side (fin section 522 side) beyond the inclined surface section 523.

[0037] As shown in Fig. 4, the joint airtight material 5 extends in the up-down direction Y. The upper end 5a of the joint airtight material 5 is provided in liquid-tight contact with a horizontal airtight material 15 provided on the upper frame 11 of the frame body 1 and extending in the left-right direction X. The lower end 5b of the joint airtight material 5 is provided in liquid-tight contact with a horizontal airtight material 16 provided on the lower frame 12 of the frame body 1 and extending in the left-right direction X.

[0038] As shown in Figures 5 and 6, the auxiliary airtight material 6 has a base 61 that is engaged between a pair of locking pieces 421, 422 of the rear-opening side door stop 42, and an airtight portion 62 that curves so as to bulge from the base 61 toward the outdoors (the front-opening indoor inner panel portion 232 side of the front-opening joint frame 23).

[0039] The airtight portion 62 at the outdoor side tip of the auxiliary airtight material 6 is formed in a fin shape curved in a generally semicircular shape in horizontal cross section to form a convex curved surface on the outdoor side. The auxiliary airtight material 6 extends in the vertical direction Y. The airtight part 62 has one end 62a integrally connected to the base 61 and the other end 62b as a free end, and approaches and moves away from the base 61 in the indoor / outdoor direction Z due to elastic deformation as the joint airtight material 5 comes into contact with it. In other words, the airtight part 62 is provided so as to be elastically deformable in the indoor / outdoor direction Z between the rear-opening side door stop 42 and the fin part 522 of the joint airtight material 5. The airtight part 62 is elastically deformed and crushed in the indoor / outdoor direction Z by clamping the fin part 522 between the front-opening indoor side plate part 232 of the front-opening joint frame 23 before the front-opening frame door 2 is closed as shown in FIG. 6, and when the front-opening frame door 2 is in the closed state as shown in FIG. 5, the airtight part 62 is elastically deformed and crushed in the indoor / outdoor direction Z by clamping the fin part 522 between the front-opening indoor side plate part 232 of the front-opening joint frame 23.

[0040] When the front-opening frame door 2 and the rear-opening frame door 3 are closed, the fin portion 522 of the joint airtight material 5 is clamped between the front-opening inside-house plate portion 232 of the front-opening joint frame 23 and the rear-opening side door stop 42 (in this embodiment, the auxiliary airtight material 6) of the rear-opening joint frame 33. This prevents wind and rain from blowing in through the gap between the front-opening inside-house plate portion 232 of the front-opening frame door 2 and the rear-opening side door stop 42 to the indoor side.

[0041] As shown in Figs. 5 and 6, the rear-opening side door stop 42 is provided with a removably mounted cover member 43 having a generally U-shaped cross section that covers the indoor side. The cover member 43 is made of a resin material, is disposed with an opening facing the outdoor side, and extends in the vertical direction Y. The cover member 43 has an indoor cover plate 431 facing the indoor side, and side cover plates 432 extending from both the left and right ends of the indoor cover plate 431 toward the outdoor side. The outdoor side ends of the pair of side cover plates 432 are provided with cover locking portions 433 that fit into the fitting recesses 423 of the rear-opening side door stop 42. The cover member 43 can be attached to the indoor side of the rear-opening side door stop 42 by fitting the pair of cover locking portions 433 of the cover member 43 into the corresponding fitting recesses 423 of the rear-opening side door stop 42, and the rear-opening side door stop 42 is covered by the cover member 43 from the indoor side. The metallic rear-opening side door stop 42 and the resin cover member 43 constitute a so-called smoke deflector. This smoke deflector is configured by attaching the resin cover member 43 to the metallic rear-opening side door stop 42, and therefore has a structure with excellent heat insulation and moisture resistance.

[0042] Next, the operation of the double-opening frame door 100 according to this embodiment will be described in detail with reference to the drawings. As shown in Fig. 3 and Fig. 4, in the double-opening frame door 100 according to this embodiment, the joint airtight material 5 provided on the front-opening joint frame 23 of the rear-opening frame door 3 and extending in the vertical direction Y is in liquid-tight contact with the horizontal airtight materials 15, 16 provided on the upper frame 11 and the lower frame 12, respectively. The front-opening joint frame 23 of the front-opening frame door 2 can be closed by abutting against the rear-opening side door stop 42 of the rear-opening joint frame 33 of the rear-opening frame door 3 with the joint airtight material 5 sandwiched between them. In this way, in this embodiment, the airtight lines of the front-opening frame door 2 and the rear-opening frame door 3 are continuously connected to the horizontal airtight material 15 of the upper frame 11 and the horizontal airtight material 16 of the lower frame 12 without being divided, thereby ensuring reliable airtightness.

[0043] In this embodiment, the fin portion 522 is formed at least in the portion of the joint airtight material 5 that is sandwiched between the front-opening joint frame 23 and the rear-opening joint frame 33. Since the fin portion 522 is formed in a belt shape, it is easy to be sandwiched in the indoor / outdoor direction Z between the front-opening joint frame 23 and the rear-opening joint frame 33, and more reliable airtightness can be ensured in the portions of both joint frames 23, 33 when the front-opening frame door 2 is closed.

[0044] In this embodiment, the auxiliary airtight material 6, which can be elastically deformed in the indoor / outdoor direction Z between the joint airtight material 5, is provided on the rear-opening side door stop 42 of the rear-opening joint frame 33. When the front-opening frame door 2 is closed, the fin portion 522 of the joint airtight material 5 is sandwiched between the front-opening joint frame 23 and the airtight portion 62 of the auxiliary airtight material 6. At this time, the auxiliary airtight member 6 is pressed against the fin portion 522 and elastically deforms. In this way, in the double-opening frame door 100 of this embodiment, stable airtightness is ensured by the elastic deformation of the auxiliary airtight material 6 even in the middle part of the joint frame in the vertical direction Y, where gaps are likely to occur due to slight warping of members that may occur in the front-opening frame door 2 or the rear-opening frame door 3.

[0045] In this embodiment, the front-opening joint frame 23 of the front-opening frame door 2 abuts against the rear-opening joint frame 33 (here, the rear-opening side door stop 42) of the rear-opening frame door 3 while holding the joint airtight material 5. Therefore, there is no need for a fin member provided on the outdoor side of the airtight material of the joint part of the rear-opening frame door 3 when opening and closing, and there is an advantage in that the joint frame of the front-opening frame door 2 comes into contact with the fin member provided on the outdoor side, which makes it difficult to open and close the door.

[0046] Although the embodiments of the fittings according to the present disclosure have been described above, the present disclosure is not limited to the above-described embodiments.

[0047] For example, in the above embodiment, the fin portion 522 of the joint airtight material 5 that is sandwiched between the front-opening joint frame 23 and the rear-opening joint frame 33 is formed in a belt-like shape, but it is not limited to being belt-like and may have other shapes. For example, it may be curved and bulged in the indoor / outdoor direction Z like the above-mentioned auxiliary airtight material 6. In short, it is sufficient that the front-opening joint frame 23 of the front-opening frame door 2 abuts against the rear-opening joint frame 33 of the rear-opening frame door 3 with the joint airtight material 5 sandwiched therebetween to close.

[0048] In this embodiment, the rear-opening joint frame 33 is configured to have an auxiliary airtight material 6 between the joint airtight material 5 and that can elastically deform in the indoor / outdoor direction Z, but it is also possible to omit this auxiliary airtight material 6.

[0049] In addition, the components in the above-described embodiments can be replaced with well-known components as appropriate without departing from the spirit of the present disclosure. [Explanation of symbols]

[0050] 100...Double-opening frame door (fitting), 1...Frame, 2...Front-opening frame door, 3...Rear-opening frame door, 5 ... Joint airtight material, 6... Auxiliary airtight material, 11... Upper frame, 12... Lower frame, 13, 13A, 13B... Vertical Frame, 15, 16... horizontal airtight material, 23... front opening joint frame, 33... rear opening joint frame, 42... rear Door stopper on opening side, 51...base, 52...airtight portion, 61...base, 62...airtight portion, 522...fin part, X...left / right direction, Y...up / down direction, Z...indoor / outdoor direction

Claims

1. A fitting that is installed in an opening and is housed in a frame that is framed on all four sides, and has a double-leaf frame door with a front-opening frame door and a rear-opening frame door, The frame body is made of a metal frame and a resin frame, The front-opening frame of the front-opening frame door and the rear-opening frame of the rear-opening frame door are each made of a metal shape and a resin shape, The rear opening joint frame of the rear opening frame body is provided with a joint airtight material and a metal rear opening side door stopper that protrudes toward the front opening frame door side along the left and right direction, This fixture is characterized in that a resin cover member is provided on the indoor side of the rear-opening door stop.

2. The fitting as described in claim 1, wherein the joint airtight material extends in the vertical direction and is arranged in contact with horizontal airtight materials provided on the upper and lower frames of the frame body and extending horizontally.

3. A fitting as described in claim 1 or 2, wherein the joint airtight material is sandwiched between the front-opening joint frame of the front-opening frame body and the rear-opening joint frame.

4. The fitting as described in claim 3, wherein the joint airtight material is formed in the shape of a plate of the front-opening joint frame and is sandwiched between the front-opening inner side plate portion of the house whose plate surface faces the indoor / outdoor direction and the rear-opening side door stop.

5. A fixture as described in any one of claims 1 to 4, wherein an auxiliary airtight material that can elastically deform in the indoor / outdoor direction is provided between the rear-opening side door stop and the joint airtight material.

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