Fitting

Abstract

To provide a fitting capable of improving sound insulation property by preventing sound from entering from an outdoor side to an indoor side.SOLUTION: A fitting comprises: a frame body 2 provided along an edge portion of an opening of a skeleton; an inner sash 3 and an outer sash 4 that are provided inside the frame body 2 so as to open and close the opening; and a sound absorber 6 provided between the frame body 2 and the inner sash 3.SELECTED DRAWING: Figure 2

Description

[Technical Field]

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

[0002] Sliding sashes such as those disclosed in Patent Document 1 are sometimes installed on the upper floors of high-rise buildings. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 2019-163658 Summary of the Invention [Problem to be solved by the invention]

[0004] Since fixtures installed on the higher floors of a building are subject to stronger winds than fixtures installed on the lower floors, it is desirable to be able to prevent noise caused by these strong winds. In particular, with sliding sashes, there is a gap between the upper frame of the shoji screen and the upper frame of the frame body, and outdoor sounds can enter the interior through this gap.

[0005] The present disclosure aims to provide a fixture that can prevent sound from entering indoors from outdoors and improve sound insulation. [Means for solving the problem]

[0006] In order to achieve the above-mentioned objectives, the building fixture of the present disclosure comprises a frame body provided along the edge of an opening in a main body, a shoji screen provided inside the frame body to open and close the opening, and sound-absorbing material provided either between the frame body and the shoji screen, inside the frame body, or inside the frame of the shoji screen. [Brief explanation of the drawings]

[0007] [Figure 1] FIG. 2 is a front view of the fitting of the first embodiment as seen from the indoor side. [Figure 2] This is a vertical cross-sectional view of the building fixture. [Figure 3] This is a horizontal cross-sectional view of the building fixture. [Figure 4] A vertical cross-sectional view of the upper frame and sound-absorbing material. [Figure 5] FIG. 10 is a vertical cross-sectional view of the fitting of the second embodiment. [Figure 6] This is a horizontal cross-sectional view of the building fixture. [Figure 7] This is a vertical cross-sectional view of the upper frame and sound-absorbing material of an inner shoji screen. [Figure 8] This is a vertical cross-sectional view of the bottom frame and sound-absorbing material of an inner shoji screen. [Figure 9] A vertical cross-sectional view of the upper frame and sound-absorbing material of an inner shoji screen of another shape. [Figure 10] FIG. 10 is a vertical cross-sectional view of the fitting of the third embodiment. [Figure 11] 10A and 10B are diagrams showing modified examples of sound-absorbing material provided on the upper frame. [Figure 12] This is a vertical cross-sectional view of an aluminum resin sash window fitted with sound-absorbing material. DETAILED DESCRIPTION OF THE INVENTION

[0008] (First embodiment) As shown in Figures 1 to 3, the door 1 of this embodiment is a sliding window. The door 1 is an aluminum sash. The door 1 has a frame 2, an inner shoji screen 3, an outer shoji screen 4, sound-absorbing material 6, and sound-insulating material 7. The sound-insulating material 7 is shown in Figures 2 and 3. The frame 2 is installed along the edge of an opening 11 in a wall separating the indoor and outdoor areas of a building. The direction perpendicular to the wall and connecting the indoor and outdoor areas is referred to as the indoor-outdoor direction. In the drawings, the indoor-outdoor direction is indicated by arrow Y. In the drawings, the indoor area is indicated by the symbol "13" and the outdoor area is indicated by the symbol "14." The horizontal direction along the wall and perpendicular to the indoor-outdoor direction is referred to as the width direction. In the drawings, the width direction is indicated by arrow X. The inner shoji screen 3 and the outer shoji screen 4 are installed inside the frame 2. The inner shoji screen 3 and the outer shoji screen 4 can slide in the width direction inside the frame 2. In the width direction, the side on which the inner shoji screen 3 is positioned when the inner shoji screen 3 and the outer shoji screen 4 close the opening 11 is referred to as one side, and the side on which the outer shoji screen 4 is positioned is referred to as the other side. Each component is described assuming the posture of the component when positioned in its fixed position. The position in which the inner shoji screen 3 and the outer shoji screen 4 are positioned when closing the opening 11 is referred to as the closed position.

[0009] The frame body 2 is a four-sided frame. The frame body 2 has an upper frame 21, a lower frame 22, and a pair of vertical frames 23, 24. The upper frame 21, the lower frame 22, and the pair of vertical frames 23, 24 are aluminum profiles. The upper frame 21 and the lower frame 22 extend in the width direction. The pair of vertical frames 23, 24 extend in the up-down direction. The upper frame 21, the lower frame 22, and the pair of vertical frames 23, 24 each have approximately the same cross-sectional shape throughout their entire length.

[0010] The inner shoji screen 3 has a frame 31 and double-pane glass 32. The frame 31 has an upper frame 33, a lower frame 34, a door edge frame 35, and a door joint frame 36. The upper frame 33, the lower frame 34, the door edge frame 35, and the door joint frame 36 are aluminum profiles. The upper frame 33 and the lower frame 34 extend in the width direction. The door edge frame 35 and the door joint frame 36 extend in the vertical direction. The upper frame 33 is located between the upper end of the door edge frame 35 and the upper end of the door joint frame 36. The lower frame 34 is located between the lower end of the door edge frame 35 and the lower end of the door joint frame 36. The upper frame 33, lower frame 34, end frame 35 and joint frame 36 each have approximately the same cross-sectional shape along their entire length.

[0011] The outer shoji screen 4 has a frame 41 and double-pane glass 42. The frame 41 has an upper frame 43, a lower frame 44, a door edge frame 45, and a door joint frame 46. The upper frame 43, the lower frame 44, the door edge frame 45, and the door joint frame 46 are aluminum profiles. The upper frame 43 and the lower frame 44 extend in the width direction. The door edge frame 45 and the door joint frame 46 extend in the vertical direction. The upper frame 43 is located between the upper end of the door edge frame 45 and the upper end of the door joint frame 46. The lower frame 44 is located between the lower end of the door edge frame 45 and the lower end of the door joint frame 46. The upper frame 43, lower frame 44, door edge frame 45 and door joint frame 46 each have approximately the same cross-sectional shape along their entire length. The door joint frame 36 of the inner shoji screen 3 and the door joint frame 46 of the outer shoji screen 4 are positioned so that they overlap in the indoor / outdoor direction when the inner shoji screen 3 and the outer shoji screen 4 close the opening. The overlapping portion of the door joint frame 36 of the inner shoji screen 3 and the door joint frame 46 of the outer shoji screen 4 is sometimes referred to as the door joint portion 12. The door joint portion 12 is positioned approximately in the center of the door fixture 1 in the width direction.

[0012] As shown in Figure 2, the upper frame 21 has an inner shoji guide groove portion 211 and an outer shoji guide groove portion 212. The inner shoji guide groove portion 211 and the outer shoji guide groove portion 212 open downward. The outer shoji guide groove portion 212 is located on the outdoor side of the inner shoji guide groove portion 211. The inner shoji guide groove portion 211 and the outer shoji guide groove portion 212 extend in the width direction. The upper side of the upper frame 33 of the inner shoji 3 is fitted into the inner shoji guide groove portion 211. The upper side of the upper frame 43 of the outer shoji 4 is fitted into the outer shoji guide groove portion 212. The lower frame 22 has an inner shoji lower rail 221 and an outer shoji lower rail 222. The inner shoji lower rail 221 and the outer shoji lower rail 222 extend in the width direction. The inner shoji lower rail 221 carries the door roller 39 of the inner shoji 3. The outer shoji lower rail 222 carries the door roller 49 of the outer shoji 4. The inner shoji 3 is guided in its widthwise movement by the inner shoji guide groove portion 211 and the inner shoji lower rail 221. The outer shoji 4 is guided in its widthwise movement by the outer shoji guide groove portion 212 and the outer shoji lower rail 222.

[0013] As shown in FIG. 4, the upper frame 21 has a grooved upper plate portion 213, an indoor-side facing plate portion 214, a middle facing plate portion 215, and an outdoor-side facing plate portion 216. The grooved upper plate portion 213 has a plate surface facing the vertical direction. The indoor-side facing plate portion 214 extends downward from the indoor-side end of the grooved upper plate portion 213. The middle facing plate portion 215 extends downward from the middle portion of the grooved upper plate portion 213 in the indoor-outdoor direction. The outdoor-side facing plate portion 216 extends upward and downward from the outdoor-side end of the grooved upper plate portion 213. The portion of the grooved upper plate portion 213 between the indoor-side facing plate portion 214 and the middle facing plate portion 215, the indoor-side facing plate portion 214, and the middle facing plate portion 215 form the inner shoji guide groove portion 211. The portion of the grooved upper plate portion 213 between the intermediate sight plate portion 215 and the outdoor sight plate portion 216, the intermediate sight plate portion 215 and the outdoor sight plate portion 216, form the outer shoji guide groove portion 212. As shown in FIG. 2, the upper frame 21 further has an upper sight plate portion 217 and an upper plate portion 218. The upper sight plate portion 217 extends upward from the middle portion of the grooved upper plate portion 213 in the indoor / outdoor direction. The upper sight plate portion 217 is positioned closer to the indoor side than the intermediate sight plate portion 215. The upper plate portion 218 is provided between the outdoor sight plate portion 216 and the upper sight plate portion 217.

[0014] The groove upper plate portion 213 has a first plate portion 213a, a second plate portion 213b, and a third plate portion 213c. The first plate portion 213a extends from the upper end of the indoor-side facing plate portion 214 toward the outdoor side. The second plate portion 213b extends upward from the outdoor-side end of the first plate portion 213a and then extends diagonally further upward toward the outdoor side. The third plate portion 213c extends from the upper end of the second plate portion 213b toward the outdoor side. The indoor-side facing plate portion 214 extends downward from the indoor-side end of the first plate portion 213a. The middle facing plate portion 215 extends downward from the middle portion of the first plate portion 213a in the indoor / outdoor direction. The outdoor-side facing plate portion 216 extends upward and downward from the outdoor-side end of the third plate portion 213c. A mounting groove 213g that opens downward is formed on the first plate portion 213a on the indoor side of the connection portion with the intermediate facing plate portion 215. The sound-absorbing material 6 is attached to the mounting groove 213g. The mounting groove 213g extends in the width direction. Protruding pieces 213h, 213h that extend toward each other are provided at the lower ends of each of the two sides of the mounting groove 213g. The mounting groove 213g is located above the outdoor side portion of the inner shoji guide groove 211. The mounting groove 213g is located below the upper facing plate portion 217. The portion of the first plate portion 213a between the indoor facing plate portion 214 and the intermediate facing plate portion 215 is referred to as the facing plate portion 213i. The facing plate portion 213i includes the mounting groove 213g and the protruding pieces 213h, 213h. The lower surface of the projection plate portion 213i is the projection surface of the frame body 2.

[0015] As shown in Figure 2, an airtight material 214a is attached to the outdoor side of the lower end of the indoor side facing panel 214. An airtight material 215a is attached to the outdoor side of the lower end of the intermediate facing panel 215. Between the indoor side facing panel 214 and the intermediate facing panel 215, i.e., in the inner shoji guide groove portion 211, the upper part of the upper frame 33 of the inner shoji 3, the upper end portion of the door edge frame 35, and the upper end portion of the door joint frame 36 are arranged. The airtight material 214a of the indoor side facing panel 214 is in contact with the indoor side surfaces of the upper frame 33, door edge frame 35, and door joint frame 36. The upper surfaces of the upper frame 33, door edge frame 35, and door joint frame 36 are positioned below the groove upper panel portion 213 with a gap between them.

[0016] Between the intermediate facing panel portion 215 and the outdoor facing panel portion 216, i.e., in the outer shoji guide groove portion 212, the upper part of the upper frame 43 of the outer shoji 4, the upper end portion of the door edge frame 45, and the upper end portion of the door joint frame 46 are arranged. The airtight material 215a of the intermediate facing panel portion 215 is in contact with the indoor surfaces of the upper frame 43, door edge frame 45, and door joint frame 46. The indoor surface of the outdoor facing panel portion 216 is in contact with a member 43d attached to the upper end of the upper frame 43. The upper surfaces of the upper frame 43, door edge frame 45, and door joint frame 46 are arranged below the groove upper panel portion 213 with a gap therebetween.

[0017] The intermediate sight panel portion 215 is disposed between the inner shoji screen 3 and the outer shoji screen 4. When the inner shoji screen 3 and the outer shoji screen 4 close the opening 11, the intermediate sight panel portion 215 is sandwiched between the inner shoji screen 3's joint frame 36 and the outer shoji screen 46 from the indoor / outdoor direction. The upper frame 21 has a hollow portion 21a formed therein, which is surrounded by the groove upper plate portion 213, the upper plate portion 218, the upper sight panel portion 217 and the outdoor sight panel portion 216.

[0018] The upper frame 33 of the inner shoji screen 3 has a double-glazing mounting portion 331 and a main body portion 332. A glass groove portion 33a into which the double-glazing glass 32 is fitted is formed in the double-glazing mounting portion 331. The glass groove portion 33a opens downward. The main body portion 332 is connected to the upper side of the double-glazing mounting portion 331. A first hollow portion 33b and a second hollow portion 33c are formed in the main body portion 332. The first hollow portion 33b is located above the glass groove portion 33a. The second hollow portion 33c is located above the first hollow portion 33b.

[0019] The double-glazing mounting portion 331 has a groove bottom plate portion 333, an indoor groove side plate portion 334, and an outdoor groove side plate portion 335. The groove bottom plate portion 333 forms the bottom of the glass groove portion 33a. The groove bottom plate portion 333 is positioned opposite the end face of the double-glazing 32. The indoor groove side plate portion 334 and the outdoor groove side plate portion 335 form the sides of the glass groove portion 33a. The indoor groove side plate portion 334 extends downward from the indoor-side end face of the groove bottom plate portion 333. The outdoor groove side plate portion 335 extends downward from the outdoor-side end face of the groove bottom plate portion 333.

[0020] The main body 332 includes an indoor-side panel 336, an intermediate panel 337, an outdoor-side panel 338, and an outer panel 339. The indoor-side panel 336 and the outdoor-side panel 338 each protrude upward from the groove bottom panel 333. The indoor-side panel 336 protrudes upward from a position that is intermediate in the indoor / outdoor direction of the groove bottom panel 333 and slightly toward the outdoors than the indoor-side end of the groove bottom panel 333. The indoor-side panel 336 is positioned outdoors relative to the indoor gutter side panel 334. The outdoor side panel 338 extends upward from the upper end of the outdoor gutter side panel 335. The intermediate panel 337 extends outdoors from the vertical intermediate portion of the indoor-side panel 336 and is connected to the vertical intermediate portion of the outdoor side panel 338. The outer plate portion 339 extends from the upper end of the indoor side plate portion 336 to the outdoor side and is connected to the upper end of the outdoor side plate portion 338. The outer plate portion 339 is provided at the upper end of the upper frame 33. The upper surface of the outer plate portion 339 is the visible surface of the upper frame 33.

[0021] An airtight material mounting portion 338b that opens to the outdoor side is formed at the upper end of the outdoor side plate portion 338. The airtight material mounting portion 338b is a groove that extends across the entire width of the outdoor side plate portion 338. An airtight material 33d is fitted into the airtight material mounting portion 338b. The airtight material mounting portion 338b protrudes toward the indoor side beyond the vertical portion 338a.

[0022] When the upper frame 33 of the inner shoji 3 is fitted into the inner shoji guide groove portion 211 of the upper frame 21, the upper surface of the outer plate portion 339 of the upper frame 33 is positioned opposite the projection plate portion 213i of the upper frame 21 in the vertical direction. The lower end of the indoor side facing plate portion 214 of the upper frame 21 is positioned on the indoor side of the upper end of the indoor side facing plate portion 336 of the upper frame 33. The airtight material 214a attached to the lower end of the indoor side facing plate portion 214 comes into contact with the indoor side surface of the indoor side plate portion 336. The upper end of the outdoor side plate portion 338 of the upper frame 33 is positioned on the indoor side of the lower end of the intermediate facing plate portion 215 of the upper frame 21. The airtight material 33d attached to the upper end of the outdoor side plate portion 338 comes into contact with the indoor side surface of the intermediate facing plate portion 215. The fitting 1 has a frame-to-frame space 25 formed between the upper frame 21, the interior facing panel 214, the middle facing panel 215, and the outer panel 339 of the upper frame 33, and sealed by airtight materials 214a, 33d. The frame-to-frame space 25 is the space between the frame 2, the inner facing panel 213i, and the outer panel 339 of the inner frame 3. The outer panel 339 extends over the entire upper edge of the frame 31 of the inner frame 3. In other words, the outer panel 339 is also positioned on the door edge frame 35 and the door join frame 36.

[0023] As shown in FIG. 1, the sound-absorbing material 6 is provided across the entire width of the inner shoji guide groove 211 of the upper frame 21, directly above the inner shoji 3 when it is in the closed position. In other words, the sound-absorbing material 6 is located in the space 25 between the frame and the shoji when the inner shoji 3 is in the closed position. The sound-absorbing material 6 is also provided at the joining portion 12. As shown in FIG. 4, the sound-absorbing material 6 has a sound-absorbing portion 61 and an attachment portion 62. The attachment portion 62 is fitted into the attachment groove 213g. The attachment portion 62 is formed in the shape of a long plate. The attachment portion 62 is made of resin or steel. The attachment portion 62 is fitted into the attachment groove 213g with the plate surface facing up and down. The sound-absorbing portion 61 is formed in the shape of a long rectangular parallelepiped and is made of sound-absorbing foamed resin or the like. The sound-absorbing portion 61 is elastically deformable. The sound-absorbing portion 61 is attached to the underside of the attachment portion 62. The width of the sound-absorbing portion 61 is larger than the indoor / outdoor dimension of the mounting portion 62 and is approximately the same as the indoor / outdoor dimension of the inner shoji guide groove portion 211. A recess 63 that opens on both indoor / outdoor sides is formed across the entire width of the sound-absorbing material 6 at the boundary between the sound-absorbing portion 61 and the mounting portion 62. The sound-absorbing portion 61 and the mounting portion 62 may be manufactured separately and connected by adhesive or the like. The sound-absorbing portion 61 and the mounting portion 62 may also be molded integrally by two-shot molding. For example, the sound-absorbing portion 61 and the mounting portion 62 may be made of EPDM sponges with different specific gravities and connected by adhesive or integrated by two-shot molding.

[0024] When the mounting portion 62 of the sound-absorbing material 6 is fitted into the mounting groove portion 213g, the protruding pieces 213h, 213h of the upper frame 21 fit into the recess 63, and the sound-absorbing material 6 is attached to the upper frame 21. The upper surface of the sound-absorbing portion 61 is in contact with the portion of the lower surface of the groove upper plate portion 213 that becomes the bottom of the inner shoji guide groove portion 211. The indoor side surface of the sound-absorbing portion 61 is in contact with the outdoor side surface of the indoor side facing plate portion 214. The outdoor side surface of the sound-absorbing portion 61 is in contact with the indoor side surface of the intermediate facing plate portion 215. As shown in Figure 2, there is a gap between the lower surface of the sound-absorbing material 6 and the upper frame 33 of the inner shoji 3.

[0025] When fitting the inner shoji screen 3 into the frame body 2, the inner shoji screen 3 is fitted into the frame body 2 in a snap-fit ​​manner. In other words, when fitting the inner shoji screen 3 into the frame body 2, the upper edge of the inner shoji screen 3 is inserted all the way into the inner shoji screen guide groove portion 211. The sound-absorbing portion 61 of the sound-absorbing material 6 provided in the inner shoji screen guide groove portion 211 is elastically deformable. Therefore, even if the frame body 2 fitted all the way into the inner shoji screen guide groove portion 211 comes into contact with the sound-absorbing portion 61, the sound-absorbing portion 61 will elastically deform, allowing the inner shoji screen 3 to be fitted into the frame body 2 in a snap-fit ​​manner.

[0026] The sound-insulating material 7 is provided on the inner shoji screen 3 and the outer shoji screen 4. The sound-insulating material 7 is provided between the double-glazed glass 32, 42 of the inner shoji screen 3 and the outer shoji screen 4 and the frames 31, 41 of the inner shoji screen 3 and the outer shoji screen 4. The sound-insulating material 7 provided on the inner shoji screen 3 is referred to as the inner shoji sound-insulating material 71. The sound-insulating material 7 provided on the outer shoji screen 4 is referred to as the outer shoji sound-insulating material 72. The sound-insulating material 7 is made of foamed resin or the like. As shown in Figure 3, the inner shoji sound-insulating material 71 is provided between the upper frame 33 and the double-glazed glass 32, between the lower frame 34 and the double-glazed glass 32, between the door edge frame 35 and the double-glazed glass 32, and between the door joint frame 36 and the double-glazed glass 32. The outer shoji sound-proofing material 72 is provided between the upper frame 43 and the double-pane glass 42, between the lower frame 44 and the double-pane glass 42, between the door edge frame 45 and the double-pane glass 42, and between the door joint frame 46 and the double-pane glass 42.

[0027] The inner shoji sound-proofing material 71, which is installed between the upper frame 33 of the inner shoji 3 and the double-pane glass 32, is installed continuously across the entire width between the indoor edge of the upper end surface of the double-pane glass 32 and the underside of the groove bottom plate portion 333 of the upper frame 33.

[0028] The lower frame 22 has an inner shoji lower rail 221, an outer shoji lower rail 222, an indoor side lower plate portion 223, an outdoor side lower plate portion 224, an indoor side facing plate portion 225, an intermediate facing plate portion 226, an outdoor side facing plate portion 227, an indoor side upper plate portion 228, and an outdoor side upper plate portion 229. The indoor side facing plate portion 225 is formed in a flat plate shape. The indoor side facing plate portion 225 has a plate surface facing the indoor / outdoor direction. The indoor side facing plate portion 225 is provided on the indoor side end surface of the lower frame 22. The indoor side lower plate portion 223 extends from the vertical middle portion of the indoor side facing plate portion 225 to the outdoor side. The outdoor side end of the indoor side lower plate portion 223 is connected to the upper end of the outer shoji lower rail 222. The outer shoji lower rail 222 extends downward from the outdoor end of the indoor side lower plate portion 223. The middle visible plate portion 226 extends upward from the middle portion of the indoor side lower plate portion 223 in the indoor / outdoor direction.

[0029] The outdoor lower plate portion 224 is connected to the lower end of the outer shoji lower rail 222, and extends from the lower end of the outer shoji lower rail 222 to the indoor side and the outdoor side. The outdoor sight plate portion 227 extends upward from the outdoor side end of the outdoor lower plate portion 224. The inner shoji lower rail 221 extends upward from the upper end of the middle sight plate portion 226. The inner shoji lower rail 221 is supported from below by the middle sight plate portion 226. The indoor side upper plate portion 228 extends indoors from the lower end of the inner shoji lower rail 221. The indoor side end of the indoor side upper plate portion 228 is connected to the vertical middle portion of the indoor side sight plate portion 225. The outdoor side upper plate portion 229 extends outdoor from the lower end of the inner shoji lower rail 221. The indoor side upper plate portion 228 and the outdoor side upper plate portion 229 are flat plate-shaped. The outdoor side upper plate portion 229 is disposed slightly lower than the indoor side upper plate portion 228. The upper surfaces of the indoor side upper plate portion 228 and the outdoor side upper plate portion 229 are visible surfaces of the frame body 2.

[0030] An airtight material mounting portion 225b to which the airtight material 225a is attached is provided on the outdoor side of the upper end of the indoor side facing plate portion 225. An airtight material mounting portion 229b to which the airtight material 229a is attached is provided on the outdoor side end of the outdoor side upper plate portion 229. The airtight material mounting portion 229b protrudes outdoors from the outdoor side end of the outdoor side upper plate portion 229. As shown in FIG. 2, the airtight material 225a attached to the indoor side facing plate portion 225 is in contact with the indoor side surface of the bottom frame 34 of the inner shoji screen 3. The airtight material 229a attached to the outdoor side upper plate portion 229 is in contact with the indoor side surface of the bottom frame 44 of the outer shoji screen 4.

[0031] The lower frame 22 has a hollow portion 22a surrounded by an indoor side lower plate portion 223, an indoor side facing plate portion 225, an intermediate facing plate portion 226 and an indoor side upper plate portion 228.

[0032] The bottom frame 34 of the inner shoji screen 3 has a double-glazing mounting portion 341 and a main body portion 342. A glass groove portion 34a into which the double-glazing glass 32 is fitted is formed in the double-glazing mounting portion 341. The glass groove portion 34a opens upward. The main body portion 342 is connected to the underside of the double-glazing mounting portion 341. A hollow portion 34b is formed in the main body portion 342, and the hollow portion 34b is located below the glass groove portion 34a.

[0033] The double-glazing mounting portion 341 has a groove bottom plate portion 343, an indoor groove side plate portion 344, and an outdoor groove side plate portion 345. The groove bottom plate portion 343 forms the bottom of the glass groove portion 34a. The groove bottom plate portion 343 is positioned opposite the end face of the double-glazing 32. The indoor groove side plate portion 344 and the outdoor groove side plate portion 345 form the sides of the glass groove portion 34a. The indoor groove side plate portion 344 extends upward from the indoor-side end face of the groove bottom plate portion 343. The outdoor groove side plate portion 345 extends upward from the outdoor-side end face of the groove bottom plate portion 343.

[0034] The main body 342 has an indoor-side panel 346, an intermediate panel 347, and an outdoor-side panel 348. The indoor-side panel 346 and the outdoor-side panel 348 each protrude downward from the groove bottom panel 343. The indoor-side panel 346 is located closer to the outdoors than the indoor groove side panel 344. The indoor-side panel 346 protrudes downward from a middle portion of the groove bottom panel 343 in the indoor-outdoor direction. The outdoor side panel 348 extends upward from the upper end of the outdoor groove side panel 345. The intermediate panel 347 extends outdoors from a middle portion of the indoor-side panel 346 in the vertical direction and is connected to a middle portion of the outdoor side panel 348 in the vertical direction. The intermediate panel 347 faces the indoor-side upper panel 228 and the outdoor-side upper panel 229 of the lower frame 22 in the vertical direction. The lower surface of the intermediate plate portion 347 is the visible surface of the lower frame 34. A frame-body inter-sash space 26 is formed between the lower surface of the intermediate plate portion 347 of the lower frame 34 and the upper surfaces of the indoor-side upper plate portion 228 and the outdoor-side upper plate portion 229 of the lower frame 22.

[0035] The inner shoji soundproofing material 71, which is installed between the bottom frame 34 of the inner shoji 3 and the double-pane glass 32, is installed between the indoor edge of the lower end surface of the double-pane glass 32 and the upper surface of the groove bottom plate portion 343 of the bottom frame 34, in a position that avoids the holes for the pressure-equalizing structure and the holes for drainage.

[0036] As shown in Figure 3, the door frame 35 of the inner shoji screen 3 has a double-glazing mounting portion 351 and a main body portion 352. The double-glazing mounting portion 351 is formed with a glass groove portion 35a into which the double-glazing glass 32 is fitted. The glass groove portion 35a opens to the other widthwise side. The main body portion 352 is connected to one widthwise side of the double-glazing mounting portion 351. A first hollow portion 35b and a second hollow portion 35c are formed in the main body portion 352. The first hollow portion 35b is located on the indoor side of the second hollow portion 35c.

[0037] The double-glazing mounting portion 351 has a groove bottom plate portion 353, an indoor groove side plate portion 354, and an outdoor groove side plate portion 355. The groove bottom plate portion 353 forms the bottom of the glass groove portion 35a. The groove bottom plate portion 353 is positioned opposite the end face of the double-glazing 32. The indoor groove side plate portion 354 and the outdoor groove side plate portion 355 form the sides of the glass groove portion 35a. The indoor groove side plate portion 354 extends to one side in the width direction from the indoor-side end face of the groove bottom plate portion 353. The outdoor groove side plate portion 355 extends to one side in the width direction from the outdoor-side end of the groove bottom plate portion 343.

[0038] The inner shoji soundproofing material 71, which is installed between the door frame 35 of the inner shoji 3 and the double-pane glass 32, is installed continuously across the entire width between the indoor edge of the other end face of the double-pane glass 32 in the width direction and the upper surface of the groove bottom plate portion 353 of the door frame 35.

[0039] The door frame 36 of the inner shoji screen 3 has a double-glazing mounting portion 361 and a main body portion 362. The double-glazing mounting portion 361 is formed with a glass groove portion 36a into which the double-glazing glass 32 is fitted. The glass groove portion 36a opens to one side in the width direction. The main body portion 362 is connected to the other side in the width direction of the double-glazing mounting portion 361. A first hollow portion 36b and a second hollow portion 36c are formed in the main body portion 362. The second hollow portion 36c is located on the indoor side of the first hollow portion 36b.

[0040] The double-glazing mounting portion 361 has a groove bottom plate portion 363, an indoor groove side plate portion 364, and an outdoor groove side plate portion 365. The groove bottom plate portion 363 forms the bottom of the glass groove portion 36a. The groove bottom plate portion 363 is positioned opposite the end face of the double-glazing 32. The indoor groove side plate portion 364 and the outdoor groove side plate portion 365 form the sides of the glass groove portion 36a. The indoor groove side plate portion 364 extends from the indoor-side end face of the groove bottom plate portion 363 to the other side in the width direction. The outdoor groove side plate portion 365 extends from the outdoor-side end of the groove bottom plate portion 363 to the other side in the width direction.

[0041] The inner shoji sound-proofing material 71 provided between the door frame 36 of the inner shoji 3 and the double glazing 32 is provided continuously across the entire width between the indoor edge of one widthwise end face of the double glazing 32 and the upper surface of the groove bottom plate portion 363 of the door frame 36. The inner shoji sound-proofing material 71 provided between the upper frame 33 and lower frame 34 and the double glazing 32 and the inner shoji sound-proofing material 71 provided between the door edge frame 35 and door frame 36 and the double glazing 32 may have continuous ends.

[0042] Glass grooves 43a, 44a, 45a, 46a are formed in the upper frame 43, lower frame 44, door edge frame 45, and door joint frame 46 of the outer shoji screen 4, similar to those of the inner shoji screen 3. The outer shoji sound-insulating material 72 provided between the upper frame 43, lower frame 44, door edge frame 45, and door joint frame 46 of the outer shoji screen 4 and the double-glazed glass 42 is provided between the indoor-side edge of the end face of the double-glazed glass 42 and the groove bottom plate portions 433, 443, 453, 463 that form the bottom of the glass grooves 43a, 44a, 45a, 46a, similar to the inner shoji sound-insulating material 71 provided between the frame 31 of the inner shoji screen 3 and the double-glazed glass 32.

[0043] The upper frame 43 of the outer shoji screen 4 has a double-glazing mounting portion 431 and a main body portion 432. The double-glazing mounting portion 431 has a glass groove portion 43a formed therein. The main body portion 432 is connected to the upper side of the double-glazing mounting portion 431. The main body portion 432 has a first hollow portion 43b and a second hollow portion 43c formed therein. The first hollow portion 43b is located above the glass groove portion 43a. The second hollow portion 43c is located above the first hollow portion 43b. The lower frame 44 of the outer shoji screen 4 has a double-glazing mounting portion 441 and a main body portion 442. The double-glazing mounting portion 441 has a glass groove portion 44a formed therein. The main body portion 442 is connected to the lower side of the double-glazing mounting portion 441. The main body portion 442 has a first hollow portion 44b and a second hollow portion 44c formed therein. The first hollow portion 44b is disposed below the glass groove portion 44a, and the second hollow portion 44c is disposed below the first hollow portion 44b.

[0044] The door frame 45 of the outer shoji screen 4 has a double-glazing mounting portion 451 and a main body portion 452. A glass groove portion 45a is formed in the double-glazing mounting portion 451. The main body portion 452 is connected to the other widthwise side of the double-glazing mounting portion 451. A hollow portion 45b is formed in the main body portion 452. The door joint frame 46 of the outer shoji screen 4 has a double-glazing mounting portion 461 and a main body portion 462. A glass groove portion 46a is formed in the double-glazing mounting portion 461. The main body portion 462 is connected to one widthwise side of the double-glazing mounting portion 461. A first hollow portion 46b and a second hollow portion 46c are formed in the main body portion 462. The second hollow portion 46c is located on the indoor side of the first hollow portion 46b.

[0045] The fitting 1 has sound-absorbing material 6 attached between the upper frame 21 and the upper stile 33 of the inner shoji screen 3. This prevents sound from entering the room from the outside, improving the sound insulation of the fitting 1. The sound-absorbing material 6 is provided so as to be arranged across the entire width of the area above the top surface of the upper frame 33 of the inner shoji screen 3 when the inner shoji screen 3 and outer shoji screen 4 close the opening. The sound-absorbing material 6 is provided in an area including the joining part 12 where sound can easily enter the interior from the outdoors, thereby improving the sound insulation of the fitting 1. This allows for improved sound insulation of the fitting 1 while keeping costs down compared to when the sound-absorbing material 6 is provided across the entire width of the upper frame 21.

[0046] By providing sound-absorbing material 6 on the upper frame 21, the sound insulation of the fitting 1 can be improved, and the same fitting can achieve different sound insulation performance depending on whether or not it is provided with sound-absorbing material 6. This means that the same fitting can be used on both upper floors in a high-rise building where high wind loads act and high sound insulation is desired, and on lower floors where the high wind loads of the upper floors do not act. This makes it easier to install and manage the fitting.

[0047] (Second embodiment) As shown in FIG. 5, the fitting 1B of the second embodiment has an upper frame sound-absorbing material 64 and a lower frame sound-absorbing material 65. The upper frame sound-absorbing material 64 is provided in the second hollow portion 33c of the upper frame 33 of the inner shoji screen 3. The lower frame sound-absorbing material 65 is provided in the hollow portion 34b of the lower frame 34. The second hollow portion 33c of the upper frame 33 and the hollow portion 34b of the lower frame 34 are the spaces within the frames. In the fitting 1B of the second embodiment, no sound-absorbing material is provided in the upper frame 21. The upper frame sound-absorbing material 64 and the lower frame sound-absorbing material 65 are molded from foamed resin or the like having sound-absorbing properties. The upper frame sound-absorbing material 64 and the lower frame sound-absorbing material 65 are provided across the entire width of the upper frame 33 and the lower frame 44. The upper frame sound-absorbing material 64 and the lower frame sound-absorbing material 65 each have a plurality of holes 64a, 65a formed therein, spaced apart in the width direction. Figure 6 shows the positions where the holes 64a, 65a are formed in a plan view. In the fitting 1B of the second embodiment, by forming the holes 64a, 65a in the upper frame sound-absorbing material 64 and the lower frame sound-absorbing material 65, a resonator effect is created, improving sound insulation.

[0048] 7, the first hollow portion 33b of the upper frame 33 is a hollow portion surrounded by the groove bottom plate portion 333, the intermediate plate portion 337, the indoor side plate portion 336, and the outdoor side plate portion 338. The second hollow portion 33c of the upper frame 33 is a hollow portion surrounded by the intermediate plate portion 337, the outer plate portion 339, the indoor side plate portion 336, and the outdoor side plate portion 338.

[0049] The intermediate plate portion 337 has a horizontal portion 337a and an inclined portion 337b. The horizontal portion 337a extends from the vertical middle portion of the indoor-side plate portion 336 toward the outdoor side. The inclined portion 337b extends obliquely from the outdoor-side end of the horizontal portion 337a gradually upward toward the outdoor side. The indoor-side end of the inclined portion 337b is connected to the airtight material mounting portion 338b of the outdoor-side plate portion 338. A first tapping hole 337c is formed in the horizontal portion 337a at a middle portion in the indoor-outdoor direction. The first tapping hole 337c extends in the width direction. The first tapping hole 337c protrudes upward from the horizontal portion 337a. A second tapping hole 337d is formed at the connection between the horizontal portion 337a and the inclined portion 337b. The second tapping hole 337d extends in the width direction. The second tapping hole 337d protrudes upward from the corner formed by the horizontal portion 337a and the inclined portion 337b. The first tapping hole 337c and the second tapping hole 337d are disposed at the same height.

[0050] The outer plate 339 has a groove 339a that opens upward toward the outdoor side. The underside of the outer plate 339, i.e., the surface facing the second hollow portion 33c, has a step at the indoor-side end of the groove 339a, and is positioned lower on the outdoor side than on the indoor side. The outer plate 339 has a groove lower portion 339b below the groove 339a that is positioned lower than the groove horizontal portion 339c on the indoor side of the groove 339a. The groove horizontal portion 339c has a hole 339d that penetrates vertically. In Figure 7, the hole 339d is indicated by hatching. The second hollow portion 33c is adjacent to the frame-to-frame space 25 via the outer plate 339. See Figure 2 for the position of the frame-to-frame space 25. The outer plate 339 is a projection panel.

[0051] The upper frame sound-absorbing material 64 has an L-shape when viewed from the width direction, with the outdoor-facing portion protruding downward more than the outdoor-facing portion. The indoor-facing surface of the upper frame sound-absorbing material 64 contacts the outdoor-facing surface of the indoor-side panel 336. The outdoor-facing surface of the upper frame sound-absorbing material 64 contacts the indoor-facing surface of the airtight material mounting portion 338b of the outdoor-side panel 338. The outdoor-facing portion of the upper surface of the upper frame sound-absorbing material 64 contacts the underside of the groove lower portion 339b of the outer panel 339. The indoor-facing portion of the upper surface of the upper frame sound-absorbing material 64 is positioned below and spaced from the groove horizontal portion 339c of the outer panel 339. The outdoor-facing portion of the upper surface of the upper frame sound-absorbing material 64 rests on the first tapping hole 337c and the second tapping hole 337d. The indoor side portion of the upper frame sound absorbing material 64 is in contact with the upper surface of the intermediate plate portion 337.

[0052] As shown in FIG. 8 , the sill 34 has a double-glazing mounting portion 341 and a main body portion 342. The main body portion 342 has an indoor-side panel portion 346, an intermediate panel portion 347, and an outdoor-side panel portion 348. The indoor-side panel portion 346 and the outdoor-side panel portion 348 each protrude downward from the groove bottom panel portion 343. The indoor-side panel portion 346 is located closer to the outdoor side than the indoor groove side panel portion 344. The indoor-side panel portion 346 protrudes downward from a middle portion of the groove bottom panel portion 343 in the indoor-outdoor direction. The outdoor side panel portion 348 extends upward from the upper end of the outdoor groove side panel portion 345. The intermediate panel portion 347 extends outdoors from a middle portion of the indoor-side panel portion 346 in the vertical direction and is connected to a middle portion of the outdoor side panel portion 348 in the vertical direction. The intermediate plate portion 347 faces the indoor-side upper plate portion 228 and the outdoor-side upper plate portion 229 of the lower frame 22 in the vertical direction. For the indoor-side upper plate portion 228 and the outdoor-side upper plate portion 229, see Figure 2. The lower surface of the intermediate plate portion 347 is the visible surface of the lower frame 34.

[0053] The hollow portion 34b of the stile 34 is an empty space surrounded by the groove bottom plate portion 343, the intermediate plate portion 347, the indoor side plate portion 346, and the outdoor side plate portion 348. The intermediate plate portion 347 has a hole portion 347a formed therethrough in the vertical direction. In FIG. 8, the hole portion 347a is indicated by hatching. The hollow portion 34b is adjacent to the frame-to-frame space 26 shown in FIG. 2 via the intermediate plate portion 347. As shown in FIG. 2, the frame-to-frame space 26 is a space formed between the lower surface of the intermediate plate portion 347 of the stile 34 and the upper surfaces of the indoor side upper plate portion 228 and the outdoor side upper plate portion 229 of the stile 22.

[0054] 8, the bottom frame 34 is provided with a first rib 34e, a second rib 34f, and a third rib 34g. The first rib 34e protrudes from the groove bottom plate portion 343 toward the hollow portion 34b. The second rib 34f protrudes from the indoor side plate portion 346 toward the hollow portion 34b. The third rib 34g protrudes from the outdoor side plate portion 348 toward the hollow portion 34b.

[0055] The lower frame sound-absorbing material 65 is arranged on the upper side of the hollow portion 34b. The upper surface of the lower frame sound-absorbing material 65 is in contact with the lower surface of the groove bottom plate portion 343. The indoor side surface of the lower frame sound-absorbing material 65 is in contact with the outdoor side surface of the indoor side plate portion 346. The outdoor side surface of the lower frame sound-absorbing material 65 is in contact with the indoor side surface of the outdoor side plate portion 348. The lower surface of the lower frame sound-absorbing material 65 is arranged above the intermediate plate portion 347 with a gap therebetween. A first rib 34e, a second rib 34f, and a third rib 34g are inserted into the lower frame sound-absorbing material 65.

[0056] The upper frame 33B shown in FIG. 9 does not have an airtight material mounting portion 338b at the top of the outdoor side panel 338. The intermediate panel 337 extends horizontally in the indoor / outdoor direction and corresponds to the bottom of the glass groove 33a. The upper frame 33 has a hollow portion 33e above the glass groove 33a. Two tapping holes 337e are provided in the middle of the intermediate panel 337 in the indoor / outdoor direction so as to protrude upward. An upper frame sound-absorbing material 64B may be provided in the hollow portion 33e of this upper frame 33B. When viewed from the width direction, the upper frame sound-absorbing material 64B has a C-shape with both ends in the indoor / outdoor direction protruding downward. The upper frame sound-absorbing material 64B may be provided so as to surround the upper side of the two tapping holes 337e, on the indoor and outdoor sides. A hole 339d is formed in the outer panel 339. The hollow portion 33e is adjacent to the frame-internal space 25 via the outer plate portion 339.

[0057] In the fitting 1B of the second embodiment, an upper frame sound-absorbing material 64 is provided inside the upper frame 33 of the inner shoji screen 3, and a lower frame sound-absorbing material 65 is provided inside the lower frame 34 of the inner shoji screen 3. This prevents sound from entering the room from the outdoors, improving the sound insulation of the fitting 1B. Because the upper frame sound-absorbing material 64 and the lower frame sound-absorbing material 65 are provided inside the frame 31, exposure of the upper frame sound-absorbing material 64 and the lower frame sound-absorbing material 65 can be reduced.

[0058] (Third embodiment) As shown in Figure 10, the fitting 1C according to the third embodiment is a single-pane sliding sash. The upper frame 33C of the inner shoji 3C has a guide groove 33h formed therein into which the inner shoji guide rail 21b of the upper frame 21C is inserted. The upper frame 43C of the outer shoji 4C has a guide groove 43h formed therein into which the outer shoji guide rail 21c of the upper frame 21C is inserted. The guide grooves 33h, 43h each open upward. In the fitting 1C according to the third embodiment, sound-absorbing material 6C is placed in the guide grooves 33h, 43h of the upper frames 33C, 43C.

[0059] The inner shoji guide rail 21b and the outer shoji guide rail 21c each protrude downward from the upper plate portion 21d provided at the top of the upper frame 21. The lower ends of the inner shoji guide rail 21b and the outer shoji guide rail 21c are positioned at the height of the middle part of the guide grooves 33h, 43h in the height direction. The sound-absorbing material 6C is positioned below the middle part of the guide grooves 33h, 43h in the height direction. The upper surface of the sound-absorbing material 6C is positioned with a small gap between it and the lower ends of the inner shoji guide rail 21b and the outer shoji guide rail 21c. When sliding the inner shoji 3C and the outer shoji 4C, the inner shoji guide rail 21b and the outer shoji guide rail 21c do not interfere with the sound-absorbing material 6C, and even if they do interfere, it is designed so that it does not significantly affect the sliding movement.

[0060] The sound-absorbing material 6C is elastically deformable, similar to the sound-absorbing material 6 of the first embodiment. When the inner shoji screen 3C and the outer shoji screen 4C are fitted into the frame body 2 in a snap-fit ​​manner, the sound-absorbing material 6C elastically deforms, allowing the inner shoji screen 3C and the outer shoji screen 4C to move upward relative to the frame body 2.

[0061] Even in the single-glass sliding sash fitting 1C, sound insulation can be improved by providing sound-absorbing material 6C in the guide grooves 33h, 43h of the upper frames 33C, 43C of the inner shoji screen 3C and outer shoji screen 4C.

[0062] The present disclosure is not limited to the above-described embodiments and may be modified as appropriate. As in the fitting 1D shown in FIG. 11, a sound-absorbing material 6D may be provided inside the hollow portion 21e of the upper frame 21D. The hollow portion 21e is provided above the inner shoji guide groove portion 211 of the upper frame 21D. The upper frame 21D has an inside shed sight plate portion 219a extending upward from the indoor end of the inner shoji guide groove portion 211, and an upper plate portion 219b extending outdoors from the upper side of the inside shed sight plate portion 219a to the upper side sight plate portion 217. The hollow portion 21e is surrounded by the groove upper plate portion 213, the upper side sight plate portion 217, the inside shed sight plate portion 219a, and the upper plate portion 219b. The upper plate portion 219b may not be provided with a groove for attaching the sound-absorbing material 6D, and the sound-absorbing material 6D may be adhered to the underside of the upper plate portion 219b. By providing the sound-absorbing material 6D inside the upper frame 21D, it is possible to prevent sound from entering the interior from the outdoors, improving the sound insulation of the fitting 1B. It is also possible to reduce exposure of the sound-absorbing material 6D.

[0063] In an aluminum-resin composite sash such as the fitting 1E shown in Figure 12, in which the frame body 2E, the frame 31E of the inner shoji 3E, and the frame 41E of the outer shoji 4E are a combination of aluminum members 251, 381, 481 and resin members 252, 382, ​​482, sound-absorbing material 6E may be provided in the inner shoji guide groove portion 211 of the upper frame 21E.

[0064] The sound-absorbing material 6 may be provided in the area above the outer shoji screen 4 when the inner shoji screen 3 and the outer shoji screen 4 close the opening 11. The sound-absorbing material 6 may be provided over the entire length of the upper frame 21. The sound-absorbing material 6 may be provided only at the joining portion 12 of the upper frame 21. The sound-absorbing material 6 may be provided on the lower frame 22. When the sound-absorbing material 6 is provided on the lower frame 22, it is preferable to provide it so as not to block the drainage holes.

[0065] The upper frame sound-absorbing material 64 may be attached to the upper surface of the upper frame 33 of the inner shoji screen 3 and the upper surface of the upper frame 43 of the outer shoji screen 4. The lower frame sound-absorbing material 65 may be attached to the lower surface of the lower frame 34 of the inner shoji screen 3 and the lower surface of the lower frame 44 of the outer shoji screen 4. By doing so, the upper frame sound-absorbing material 64 and the lower frame sound-absorbing material 65 can be reduced in exposure.

[0066] The sound-absorbing material may be provided in one or more of the following locations: between the frame and the shoji screen, inside the frame, and inside the frame frame. [Explanation of symbols]

[0067] 1,1B-1E Door and window fittings, 2,2E Frame, 3,3C,3E Inner shoji screen, 4,4C,4E Outer shoji screen, 6,6C,6D,6E Sound-absorbing material, 11 Opening, 12 Joint, 21,21C,21D,21E Upper frame, 22 Lower frame, 25,26 Space between frame and shoji screen, 31,31E,41 Frame, 33,33B,33C,43,43C Upper frame, 33e Hollow section, 34,44 Lower frame, 64,64B Upper frame sound-absorbing material, 65,65B Lower frame sound-absorbing material, 251,381,481 Aluminum parts, 252,382,482 Resin parts

Claims

1. a frame body provided along the edge of the opening of the body; a shoji screen provided inside the frame body for opening and closing the opening; A fixture having sound-absorbing material provided either between the frame body and the shoji screen, inside the frame body, or inside the frame of the shoji screen.

2. The shoji screens are inner and outer shoji screens that are supported on the frame body so as to be slidable in the width direction, The building fixture described in claim 1, wherein the sound-absorbing material is arranged so as to be positioned across the entire width between the upper surface of the upper frame of the inner shoji screen and the upper frame of the frame body when the inner shoji screen and the outer shoji screen close the opening.

3. The shoji screens are inner and outer shoji screens that are supported on the frame body so as to be slidable in the width direction, The building fixture according to claim 1, wherein the sound-absorbing material is positioned above the intersection where the respective intersection frames overlap in the indoor / outdoor direction when the inner and outer shoji screens close the opening.

4. The fixture according to claim 2 or 3, wherein the sound-absorbing material is attached to the upper frame of the inner shoji screen.

5. The fitting according to claim 1, wherein the sound-absorbing material is attached to the upper surface of the upper frame and the lower surface of the lower frame of the shoji screen.

6. The fixture according to claim 1 , wherein the sound-absorbing material is attached to the upper frame of the frame body.

7. 2. The fitting according to claim 1, wherein the sound-absorbing material is provided in a space between the frame body and the shoji screen formed by the facing surfaces of the frame body and the facing surfaces of the shoji screen frames.

8. The frame-to-frame space is a space surrounded by the frame and the frame, The fixture according to claim 7, wherein the frame body and the stile are in contact with each other via an airtight material.

9. The sound absorbing material is provided in a space formed inside the frame, The space within the frame is adjacent to the space between the frame and the frame, which is formed by the facing surfaces of the frame and the frame. A projection board portion having a projection surface of the frame is arranged between the frame body shoji space and the frame inner space, The fixture according to claim 7, wherein the projection panel portion has a hole formed therein that connects the space between the frame body and the space within the frame.

Images