Fitting

The fitting addresses high costs and labor by partitioning the hollow portion with a piece-shaped sound-absorbing material, enhancing sound insulation and manufacturing efficiency.

JP2025110695APending Publication Date: 2025-07-29YKK AP INC
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Patent Information

Application Number
JP2024004672
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-01-16
Publication Date
2025-07-29

AI Technical Summary

Technical Problem

Existing fittings that require sound insulation materials filled over the entire length of a hollow portion are costly and labor-intensive to manufacture.

Method used

A fitting with a hollow portion divided into multiple spaces by a piece-shaped sound-absorbing material, using a metal fitting to secure the material in place, reducing the need for extensive filling and lowering costs.

Benefits of technology

Ensures sound insulation performance while improving manufacturing efficiency and reducing component costs by partitioning the hollow portion with a piece-shaped sound-absorbing material.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide a fitting that can ensure manufacturing efficiency and sound insulation performance while reducing cost.SOLUTION: The fitting comprises a profile member having a hollow portion formed along its longitudinal direction, and a piece-shaped sound-absorbing material that is disposed within the hollow portion and partitions the hollow portion into multiple spaces in the longitudinal direction.SELECTED DRAWING: Figure 5
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Description

Technical Field

[0001] The present invention relates to a fitting including a shaped member having a hollow portion formed therein.

Background Art

[0002] For example, as a fitting installed at an entrance or a side door of a building or a house, there is a door having a structure in which a shoji is rotatably supported with respect to a frame body. This type of fitting may be required to have sound insulation performance. For example, Patent Document 1 discloses a configuration in which a sound absorbing material is filled over the entire length of a hollow portion formed in a door frame member.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] The configuration of Patent Document 1 fills a sound absorbing material over the entire length of the shoji frame. Therefore, in this configuration, the component cost of the sound absorbing material is high, and the work of filling the sound absorbing material over the entire length of the hollow portion is also troublesome.

[0005] The present invention has been made in consideration of the above problems of the prior art, and an object thereof is to provide a fitting capable of ensuring manufacturing efficiency and sound insulation performance while reducing costs.

Means for Solving the Problems

[0006] A fitting according to a first aspect of the present invention is a fitting including a shaped member having a hollow portion formed along a longitudinal direction, and includes a piece-shaped sound absorbing material disposed in the hollow portion and partitioning the hollow portion into a plurality of spaces in the longitudinal direction.

[0007] The fitting according to the second aspect of the present invention is a fitting including a profile having a hollow portion formed along the longitudinal direction, a cap member attached to an end face of the profile and closing the mouth of the hollow portion, and a piece-shaped sound absorbing material provided on an inner surface of the cap member and disposed in the hollow portion.

Advantages of the Invention

[0008] According to the above aspect of the present invention, it is possible to ensure manufacturing efficiency and sound insulation performance while reducing costs.

Brief Description of the Drawings

[0009]

Figure 1

Figure 2

Figure 3

Figure 4A

Figure 4B

Figure 5

Embodiments for Carrying Out the Invention

[0010] Hereinafter, preferred embodiments of the fitting according to the present invention will be given and described in detail with reference to the accompanying drawings.

[0011] As shown in FIGS. 1 to 3, a fitting 10 according to an embodiment includes a frame body 12 fixed to an opening of a building body, and a shoji screen 14 rotatably supported inside the frame body 12. In the present embodiment, the fitting 10 of a frame door installed at an entrance or a side door of a building such as a house or a store is exemplified.

[0012] The frame body 12 forms a rectangular opening 16 inside by surrounding an upper frame 12a, a lower frame 12b, and left and right vertical frames 12c and 12d.

[0013] In this application, the prospective direction refers to the indoor / outdoor direction of the fitting 10, that is, the direction from the indoor side to the outdoor side or the reverse direction (the direction indicated by the arrow Z in the figure), and the prospective plane refers to the plane extending along the prospective direction. The finding direction is the direction orthogonal to the prospective direction. In the case of a vertically long vertical frame 12c or the like, it refers to the left-right direction (the direction indicated by the arrow X in the figure) orthogonal to its longitudinal direction. In the case of a horizontally long upper frame 12a or the like, it refers to the up-down direction (the direction indicated by the arrow Y in the figure) orthogonal to its longitudinal direction. The finding plane refers to the plane along the finding direction. The inside of the frame refers to the inner part of the frame body 12 or the like which is a frame-shaped member. The outside of the frame refers to the outer part of the frame body 12 or the like which is a frame-shaped member. The in-frame direction refers to the direction from the outside of the frame of the frame-shaped member toward the inside of the frame. The out-frame direction refers to the direction from the inside of the frame of the frame-shaped member toward the outside of the frame.

[0014] The frame body 12 is a window frame of a composite structure combining a metal frame material 18 disposed on the outdoor side and a resin frame material 19 disposed on the indoor side. The metal frame material 18 is an extruded profile of a metal material such as an aluminum alloy. The resin frame material 19 is an extruded profile of a resin material such as a vinyl chloride resin (PVC). The metal frame material 18 includes a metal upper frame 18a, a metal lower frame 18b, and left and right metal vertical frames 18c, 18d. The resin frame material 19 includes a resin upper frame 19a, a resin lower frame 19b, and left and right resin vertical frames 19c, 19d.

[0015] As shown in FIG. 2, the upper frame 12a has a configuration in which the resin upper frame 19a is connected to the indoor side of the metal upper frame 18a. The resin upper frame 19a covers the indoor side surface of the metal upper frame 18a. The metal upper frame 18a has a predetermined anchor component connected to an anchor attachment portion 20 formed on the prospective plane on the outside of the frame, and is fixed to the building body through this anchor component. The resin upper frame 19a is connected to the metal upper frame 18a by, for example, a pair of engaging portions 22a, 22b, and the indoor side end is fixed to the building body with screws.

[0016] The upper metal frame 18a has hollow portions 24, 25 between the prospective surface on the inner side of the frame and the prospective surface on the outer side of the frame. The hollow portions 24, 25 extend over the entire length of the upper metal frame 18a. The hollow portion 24 has a prospective width larger than the prospective width of the shoji 14 and is long in the indoor-outdoor direction. The hollow portion 25 is adjacent to the indoor side of the hollow portion 24 and has a cross-sectional area significantly smaller than that of the hollow portion 24.

[0017] On the prospective surface on the inner side of the upper metal frame 18a, a door-stop piece 26 is provided at the indoor-side end, and a water-draining member 27 is attached to the outdoor-side end. The door-stop piece 26 is a portion that receives the shoji 14 in the fully closed position shown in Fig. 2. At the tip of the door-stop piece 26, a pocket portion opening toward the outdoor side is provided, and a tight material 28 is attached to this pocket portion. The tight material 28 is in close contact with the indoor-side surface of the shoji 14 and is an airtight and watertight material for ensuring the airtightness and watertightness in the indoor-outdoor direction of the opening 16. The water-draining member 27 is attached to a pocket portion formed on the prospective surface and opening downward and can contact the upper end of the shoji 14.

[0018] The upper resin frame 19a covers the surface of the door-stop piece 26 of the upper metal frame 18a and the surface of the portion on the indoor side thereof. The upper resin frame 19a has a hollow portion 29 at a position aligned with the indoor side of the door-stop piece 26. The hollow portion 29 extends over the entire length of the upper resin frame 19a. The hollow portion 29 is arranged on the indoor side of the hollow portion 24 and has a smaller cross-sectional area than that of the hollow portion 24.

[0019] As shown in Fig. 2, the lower frame 12b has a configuration in which a lower resin frame 19b is connected to the indoor side of the lower metal frame 18b. The lower resin frame 19b covers the indoor-side surface of the lower metal frame 18b. The lower metal frame 18b has a predetermined anchor component connected to an anchor attachment portion 30 formed on the prospective surface on the outer side of the frame, and is fixed to the building structure through this anchor component. The lower resin frame 19b is connected to the lower metal frame 18b by, for example, a pair of engagement portions 32a, 32b, and the indoor-side end is fixed to the building structure with screws.

[0020] The lower metal frame 18b has hollow portions 33 and 34 at the indoor-side end and the outdoor-side end, respectively. The hollow portions 34 and 35 extend over the entire length of the lower metal frame 18b.

[0021] The lower metal frame 18b is provided with a door-stop piece 36 at the indoor-side end of the prospective surface inside the frame. The door-stop piece 36 is a portion that receives the shoji 14 in the fully closed position shown in FIG. 2. A pocket portion that opens toward the outdoor side is provided at the tip of the door-stop piece 36, and the tight material 28 is attached to this pocket portion.

[0022] The lower resin frame 19b covers the upper end surface of the door-stop piece 36 of the lower metal frame 18b and the portion on the indoor side thereof. The lower frame 12b has a hollow portion 37 formed by the lower metal frame 18b and the lower resin frame 19b on the indoor side of the door-stop piece 36. The hollow portion 37 extends over the entire length of the lower frame 12b. A part of the wall portion surrounding the hollow portion 37 is formed by the lower metal frame 18b, and the rest is formed by the lower resin frame 19b.

[0023] As shown in FIG. 3, one vertical frame 12c has a configuration in which a resin vertical frame 19c is connected to the indoor side of a metal vertical frame 18c. The resin vertical frame 19c covers the indoor-side surface of the metal vertical frame 18c. A predetermined anchor part is connected to an anchor attachment portion 38 formed on the prospective surface outside the frame of the metal vertical frame 18c, and is fixed to the building body through this anchor part. The resin vertical frame 19c is connected to the metal vertical frame 18c by, for example, a pair of engaging portions 40a and 40b, and the indoor-side end is fixed to the building body with screws.

[0024] The metal vertical frame 18c has a hollow portion 41 between the prospective surface inside the frame and the prospective surface outside the frame. The hollow portion 41 extends over the entire length of the metal vertical frame 18c. The hollow portion 41 has a prospective width larger than the prospective width of the shoji 14 and is long in the indoor-outdoor direction.

[0025] The metal vertical frame 18c is provided with a door stop piece 42 at the indoor side end of the prospective surface inside the frame. The door stop piece 42 is a part for receiving the shoji 14 in the fully closed position shown in FIG. 3. A pocket portion that opens toward the outdoor side is provided at the tip of the door stop piece 42, and the tight material 28 is attached to this pocket portion.

[0026] The resin vertical frame 19c covers the surface of the door stop piece 42 of the metal vertical frame 18c and the surface of the portion on the indoor side thereof. The resin vertical frame 19c has a hollow portion 43 at a position aligned with the indoor side of the door stop piece 42. The hollow portion 43 extends over the entire length of the resin vertical frame 19c. The hollow portion 43 is disposed on the indoor side of the hollow portion 41 and has a cross-sectional area significantly smaller than that of the hollow portion 41. The vertical frame 12c has a hollow portion 44 formed by the metal vertical frame 18c and the resin vertical frame 19c between the hollow portion 41 and the hollow portion 43. The hollow portion 44 extends over the entire length of the vertical frame 12c. A part of the wall portion surrounding the hollow portion 44 is formed by the metal vertical frame 18c, and the rest is formed by the resin vertical frame 19c.

[0027] As shown in FIG. 3, the other vertical frame 12d can have a substantially symmetrical structure to the vertical frame 12c except that the finding width of the outdoor side portion is slightly larger than that of the one vertical frame 12c. Therefore, each component of the vertical frame 12d is denoted by the same reference numeral as each component of the vertical frame 12c, and detailed description thereof is omitted. That is, also in the vertical frame 12d, the resin vertical frame 19d is connected to the metal vertical frame 18d by the engaging portions 40a and 40b. The vertical frame 12d also has a door stop piece 42 to which the tight material 28 is attached, and the hollow portions 41, 43, and 44.

[0028] As shown in FIGS. 1 to 3, the shoji 14 is a framed door including a face material 46, a frame body 47 surrounding the four circumferences of the face material 46, and a pressing edge 48.

[0029] The face material 46 is, for example, a two-layer laminated glass in which a pair of plate glasses 46a and 46b are opposed to each other with a spacer sandwiched therebetween. The face material 46 may be a single layer or may have a structure of three or more layers.

[0030] The frame body 47 supports the facing material 46 inside by forming a four-sided frame structure with the upper frame 47a, the lower frame 47b, and the left and right vertical frames 47c and 47d. The frame body 47 is a composite-structured frame formed by combining a metal frame material 50 disposed on the outdoor side and a resin frame material 51 disposed on the indoor side. The metal frame material 50 is an extruded shape made of a metal material such as an aluminum alloy. The resin frame material 51 is an extruded shape made of a resin material such as vinyl chloride resin (PVC). The metal frame material 50 includes a metal upper frame 50a, a metal lower frame 50b, and the left and right metal vertical frames 50c and 50d. The resin frame material 51 includes a resin upper frame 51a, a resin lower frame 51b, and the left and right resin vertical frames 51c and 51d.

[0031] As shown in FIG. 2, the upper frame 47a is configured by connecting the resin upper frame 51a to the indoor side of the metal upper frame 50a. The resin upper frame 51a covers the indoor side surface of the metal upper frame 50a. The resin upper frame 51a is connected to the metal upper frame 50a by, for example, a pair of engaging portions 52a and 52b.

[0032] The metal upper frame 50a has hollow portions 54 and 55 and an opening groove 56. The hollow portion 54 extends over the entire length of the metal upper frame 50a. The hollow portion 54 has a prospective width larger than the prospective width of the facing material 46 and is long in the finding direction (vertical direction) of the metal upper frame 50a. The hollow portion 55 is adjacent to the indoor side of the hollow portion 54 and has a cross-sectional area significantly smaller than that of the hollow portion 55. The opening groove 56 is adjacent to the inner side of the frame of the hollow portion 54 and opens toward the inner side of the frame. The upper edge portion of the shoji 14 is inserted into the opening groove 56 and held using, for example, a backup material and a sealing material.

[0033] The resin upper frame 51a covers the indoor side surface of the metal upper frame 50a. The resin upper frame 51a has four hollow portions 58 arranged in the inside-outside direction of the frame. Each hollow portion 58 extends over the entire length of the resin upper frame 51a. Each hollow portion 58 is disposed more on the indoor side than the hollow portion 54, and each cross-sectional area is smaller than that of the hollow portion 54.

[0034] As shown in FIG. 2, the lower frame 47b can have a substantially vertically symmetric structure with the upper frame 47a, except that the finding width is slightly larger than that of the upper frame 47a. Therefore, each component of the lower frame 47b is given the same reference numeral as each component of the upper frame 47a, and detailed description thereof is omitted. That is, also in the lower frame 47b, the resin lower frame 51b is connected to the metal lower frame 50b by the engaging portions 52a and 52b. Further, the lower frame 47b also has the hollow portions 54, 55, 58 and the opening groove 56. The lower edge portion of the shoji 14 is inserted into the opening groove 56 of the lower frame 47b and held using, for example, a backup material and a sealing material.

[0035] As shown in FIG. 3, one vertical frame 47c is configured by connecting a resin vertical frame 51c to the indoor side of a metal vertical frame 50c. The resin vertical frame 51c covers the indoor side surface of the metal vertical frame 50c. The resin vertical frame 51c is connected to the metal vertical frame 50c by, for example, a pair of engaging portions 60a and 60b. The vertical frame 47d serves as a suspension frame of the shoji 14.

[0036] The metal vertical frame 50c has a hollow portion 62 and a finding piece 63. The hollow portion 62 extends over the entire length of the metal vertical frame 50c. The hollow portion 62 has a finding width larger than the finding width of the facing material 46 and forms a substantially rectangular shape. The finding piece 63 is a plate piece protruding in the frame inward direction from the outdoor side end of the prospective surface inside the frame. The finding piece 63 is a portion that supports the outdoor side surface of the facing material 46.

[0037] The resin vertical frame 51c covers the indoor side surface of the metal vertical frame 50c. The resin vertical frame 51c has three hollow portions 64 arranged in the frame inner - outer direction. Each hollow portion 64 extends over the entire length of the resin vertical frame 51c. Each hollow portion 64 is arranged closer to the indoor side than the hollow portion 62 and has a smaller cross - sectional area than the hollow portion 62.

[0038] As shown in FIG. 3, although the other vertical frame 47d is somewhat different in shape from one vertical frame 47c, its basic configuration can be a bilaterally symmetric structure. Therefore, each component of the vertical frame 47d is denoted by the same reference numeral as that of the corresponding component of the vertical frame 47c, and a detailed description thereof will be omitted. That is, also in the vertical frame 47d, a resin vertical frame 51d is connected to a metal vertical frame 50d by engaging portions 60a and 60b. Further, the vertical frame 47d also has hollow portions 62 and 64 and a finder piece 63. The vertical frame 47d serves as the door end frame of the shoji 14. On the prospective surface outside the frame of the vertical frame 47d, a smoke-return piece 65 is provided at the outdoor-side end portion, and a recess 69 is provided substantially at the center in the prospective direction. The recess 69 serves as a mounting portion for a locking device 82 described later.

[0039] As shown in FIG. 3, the pressing edges 48 are respectively attached to the indoor-side end portions of the prospective surfaces inside the frames of the vertical frames 47c and 47d. The pressing edge 48 is a portion that supports the indoor-side surface of the facing material 46. The left and right edge portions of the facing material 46 are inserted into an opening groove formed by the finder piece 63 and the pressing edge 48 and are held using, for example, a backup material and a sealing material.

[0040] The pressing edge 48 includes a metal pressing edge 48a and a resin pressing edge 48b. The metal pressing edge 48a is an extruded profile made of a metal material such as an aluminum alloy. The resin pressing edge 48b is an extruded profile made of a resin material such as vinyl chloride resin (PVC). The metal pressing edge 48a is connected to the prospective surfaces inside the frames of the vertical frames 47c and 47d using the engaging portion 66. The resin pressing edge 48b is connected to the metal pressing edge 48a by a pair of engaging portions 67. The resin pressing edge 48b has a hollow portion 68. The hollow portion 68 extends over the entire length of the resin pressing edge 48b. The cross-sectional area of the hollow portion 68 is smaller than that of the hollow portion 64.

[0041] As shown in FIG. 3, the shoji 14 is rotatably connected to the frame body 12 via a hinge 70. The hinge 70 has a frame-side mounting plate 70a, a shoji-side mounting plate 70b, and a rotating shaft portion 70c.

[0042] The frame-side mounting plate 70a is fixed to the prospective surface 71 inside the frame of the vertical frame 12c with screws 73a using a back plate 72. The reference numeral 73b in FIG. 3 is a screw for fixing the back plate 72 to the vertical frame 12c. The back plate 72 is installed inside the hollow portion 41 of the vertical frame 12c. The shoji-side mounting plate 70b is fixed to the prospective surface 74 outside the frame of the vertical frame 47c serving as the hanging end frame with screws 77a using a metal fitting 76. The mounting plate 86 of the metal fitting 76 is disposed inside the hollow portion 62 and also serves as a back plate for screwing the shoji-side mounting plate 70b. The reference numeral 77b in FIG. 3 is a screw for fixing the metal fitting 76 to the vertical frame 47c. The rotating shaft portion 70c is a portion that serves as the rotation shaft of the shoji 14 and connects the mounting plates 70a and 70b so as to be relatively rotatable.

[0043] The reference numeral 80 in FIGS. 1 and 3 is a handle that is operated when opening and closing the shoji 14. The reference numeral 82 in FIG. 3 is a locking device that is attached to the vertical frame 47d serving as the door end frame of the shoji 14 and can be locked to a receiving component of the opposing vertical frame 12d. The locking device 82 is screwed to the vertical frame 47d using, for example, a back plate (mounting plate 82a) along the YZ direction. The mounting plate 82a is disposed in the recessed portion 69 of the vertical frame 47d.

[0044] The fitting 10 of the present embodiment includes a sound-absorbing material 84 inside the hollow portion 62 of the vertical frame 47c. The sound-absorbing material 84 is a member for suppressing, for example, the transmission of noise from the outdoor side to the indoor side and ensuring the sound insulation performance of the fitting 10.

[0045] Next, the configuration of the sound-absorbing material 84 and its installation structure will be described.

[0046] As shown in FIGS. 4A to 5, the sound-absorbing material 84 is a thin plate-shaped piece part that is significantly shorter than the entire length of the hollow portion 62. The type of the sound-absorbing material 84 is not limited, and for example, a general sound-absorbing material such as rock wool or glass wool can be exemplified. The outer shape of the sound-absorbing material 84 is preferably the same as or slightly larger than the contour of the inner periphery of the hollow portion 62. This is to ensure that the sound-absorbing material 84 closes across the hollow portion 62 and reliably partitions the hollow portion 62 into a plurality of spaces in the longitudinal direction. The sound-absorbing material 84 of the present embodiment can be installed inside the hollow portion 62 via the metal fitting 76.

[0047] The metal fitting 76 has a mounting plate 86 and a partition plate 87. The metal fitting 76 is a sheet metal member bent in an L shape. The metal fitting 76 is formed of a metal plate such as stainless steel or steel, for example.

[0048] The mounting plate 86 is a plate portion arranged along the YZ direction and connected to the vertical frame 47c. The mounting plate 86 is formed with fastening holes 86a having female threads formed on the inner peripheral surface and mounting holes 86b (see FIG. 4A). For example, four fastening holes 86a are provided. Each fastening hole 86a is used for fastening a screw 77a that connects the shoji-side mounting plate 70b of the hinge 70 to the vertical frame 47c. For example, two mounting holes 86b are provided. Each mounting hole 86b is used for fastening a screw 77b that fixes the mounting plate 86 (metal fitting 76) to the vertical frame 47c. Thus, the mounting plate 86 also serves as a back plate for screwing to fix the shoji-side mounting plate 70b of the hinge 70 to the vertical frame 47c.

[0049] The partition plate 87 is arranged along the XZ direction and is installed in a nodal shape that longitudinally partitions the hollow portion 62. The partition plate 87 has an outer shape slightly smaller than the contour of the inner periphery of the hollow portion 62 and is arranged so as to cross the hollow portion 62. At least one of the upper and lower surfaces (the front surface 87a) of the partition plate 87 serves as an installation surface for the sound-absorbing material 84. The sound-absorbing material 84 can be fixed to the front surface 87a with, for example, double-sided adhesive tape or an adhesive. The sound-absorbing material 84 may be provided on the other surface (the back surface 87b) of the partition plate 87, or may be provided on both surfaces 87a and 87b, respectively.

[0050] In this way, by integrally forming the partition plate 87 on the mounting plate 86 that also serves as a back plate for fixing the shoji-side mounting plate 70b, the metal fitting 76 also functions as a bracket for installing the sound-absorbing material 84 in the hollow portion 62.

[0051] The fitting 76 abuts the mounting plate 86 against the back surface of the prospective surface 74 of the vertical frame 47c, that is, the inner wall surface 62a outside the frame of the hollow portion 62, and is fixed to the inner wall surface 62a with screws 77b and mounting holes 86b. As a result, the partition plate 87 is arranged so as to cross the hollow portion 62. As a result, the sound-absorbing material 84 provided on the surface 87a of the partition plate 87 is arranged so as to partition the hollow portion 62 into a plurality of spaces in the longitudinal direction. As described above, the fitting 76 of the present embodiment also serves as a back plate for fixing the shutter-side mounting plate 70b of the hinge 70. As shown in FIG. 5, the fitting 76 may be installed, for example, at three locations, upper and lower, which are the installation positions of the hinge 70. As a result, the hollow portion 62 of the vertical frame 47c is partitioned into four spaces in the longitudinal direction by the piece-shaped sound-absorbing material 84 provided on the partition plate 87 of each fitting 76.

[0052] As described above, the fitting 10 of the present embodiment is provided with a piece-shaped sound-absorbing material 84 that is arranged inside the hollow portion 62 of the vertical frame 47c, which is a shaped material, and partitions the hollow portion 62 into a plurality of spaces in the longitudinal direction. For this reason, the fitting 10 can suppress the occurrence of air column resonance in the longitudinal direction inside the long hollow portion 62 of the vertical frame 47c by the sound-absorbing material 84, and can ensure sound insulation performance. That is, the piece-shaped sound-absorbing material 84 can change the resonance frequency by partitioning the length of the hollow portion 62 into a plurality, and can suppress the resonance by the sound-absorbing action of the sound-absorbing material 84 itself. Moreover, the sound-absorbing material 84 is a piece-shaped component arranged only in a part, not the entire length of the hollow portion 62. As a result, the fitting 10 does not require the work of filling the entire length of the hollow portion 62 with the sound-absorbing material, improving the manufacturing efficiency and reducing the component cost.

[0053] The piece-shaped sound-absorbing material 84 may be fixed, for example, at an appropriate location of the hollow portion 62 with an adhesive or the like. In this case, the fitting 76 may not be used. However, when the fitting 76 is used, the piece-shaped sound-absorbing material 84 can be easily and stably installed at a desired position in the long hollow portion 62, improving the working efficiency and the support strength of the sound-absorbing material 84.

[0054] The metal fitting 76 can also serve as a back plate for screwing the hinge 70 to the vertical frame 47c of the shoji 14. In other words, the metal fitting 76 is a component in which a partition plate 87 is bent and formed on a mounting plate 86 that functions as a back plate for fixing the hinge 70. As a result, the fitting 10 can easily install the sound-absorbing material 84 without using a dedicated bracket for installing the sound-absorbing material 84, so there is no need to add components or perform processing on the vertical frame 47c, and the cost can be reduced. The metal fitting 76 may not be used as a back plate for fixing the hinge 70 and may be provided as a dedicated component for installing the sound-absorbing material 84.

[0055] The sound-absorbing material 84 may be installed outside the vertical frame 47c on the hanging end side as long as it is arranged to partition the hollow portion formed along the longitudinal direction of the profile.

[0056] As shown in FIG. 5, the sound-absorbing material 84 may be installed in the hollow portion 62 of the vertical frame 47d on the door tip side. However, the hinge 70 cannot be attached to the vertical frame 47d. Therefore, in the vertical frame 47d, a partition plate 87 may be bent and formed on a mounting plate 82a that is a back plate for fixing the locking device 82 to form a metal fitting 76A similar to the metal fitting 76. The sound-absorbing material 84 can be easily installed in the hollow portion 62 of the vertical frame 47d by being provided on the surface 87a (87b) of the partition plate 87 of the metal fitting 76A. That is, the metal fitting 76A also serves as a back plate for screwing the locking device 82 to the vertical frame 47d. As a result, there is no need to install a dedicated bracket for installing the sound-absorbing material 84 even in the vertical frame 47d, and an increase in the number of parts can be substantially suppressed. Of course, a dedicated bracket for installing the sound-absorbing material 84 similar to the metal fitting 76 may be provided in the hollow portion 62 of the vertical frame 47d.

[0057] As shown in Fig. 5, the sound-absorbing material 84 may be attached to the upper and lower end faces of the vertical frames 47c and 47d and provided on the inner surface of the cap member 88 that closes the small end of the hollow portion 62. By this means as well, the sound-absorbing material 84 can be installed in the hollow portion 62, and the noise caused by resonance occurring in the hollow portion 62 can be reduced. In Fig. 5, a configuration is illustrated in which the sound-absorbing material 84 is provided on each of the four cap members 88 attached to the respective end faces of the left and right vertical frames 47c and 47d, but the sound-absorbing material 84 may be provided on only a part of the four cap members 88. The sound-absorbing material 84 provided on the cap member 88 can obtain a higher adsorption effect, for example, by being used in combination with the sound-absorbing material 84 provided on the metal fittings 76 or 76A. Even if the building fitting 10 does not provide the sound-absorbing material 84 on the metal fittings 76 and 76A and provides the sound-absorbing material 84 only on the cap member 88, a certain sound insulation effect can be obtained.

[0058] The sound-absorbing material 84 may be installed outside the hollow portion 62 of the vertical frames 47c and 47d.

[0059] The sound-absorbing material 84 may be installed in the hollow portion 64 of the vertical frames 47c and 47d in the same manner as the hollow portion 62. However, the cross-sectional area of the hollow portion 62 is larger than that of the hollow portion 64, and resonance is also likely to occur. For this reason, installing the sound-absorbing material 84 in the hollow portion 62 rather than the hollow portion 64 can further enhance the sound insulation performance. Since the hollow portion 62 is formed in the metal vertical frame 50c, there is also an advantage that resonance is more likely to occur than in the hollow portion 64 formed in the resin vertical frame 51c, and the sound insulation effect by the sound-absorbing material 84 is higher.

[0060] The sound-absorbing material 84 may be installed in the hollow portion 41 of the vertical frames 12c and 12d. However, since the vertical frames 12c and 12d are members fixed to the building structure, the noise caused by resonance is greater in the vertical frames 47c and 47d. Therefore, it is preferable to install the sound-absorbing material 84 in the vertical frames 47c and 47d rather than in the vertical frames 12c and 12d.

[0061] The sound-absorbing material 84 may be installed in the hollow portions 54 and the like of the upper frame 47a and the lower frame 47b which are horizontal frames, or in the hollow portions 24 and the like of the upper frame 12a and the lower frame 12b which are horizontal members. However, since the fitting 10 of the present embodiment is a framed door, generally the vertical frames 47c, 47d and the vertical members 12c, 12d are longer than the horizontal frames and horizontal members. For this reason, the number of sound-absorbing materials 84 may be smaller when installed in the horizontal frames or horizontal members than when installed in the long vertical frames 47c, 47d and the vertical members 12c, 12d.

[0062] The fitting according to the first aspect of the present invention is a fitting including a shaped member having a hollow portion formed along the longitudinal direction, and includes a piece-shaped sound-absorbing material disposed in the hollow portion and partitioning the hollow portion into a plurality of spaces in the longitudinal direction. According to such a configuration, it is possible to suppress the generation of noise caused by the occurrence of air column resonance in the longitudinal direction within the hollow portion of the shaped member by the sound-absorbing material, and to ensure sound insulation performance. Moreover, since the sound-absorbing material is a piece-shaped component disposed only in a part rather than the entire length of the hollow portion, the installation work in the hollow portion is easy, the manufacturing efficiency of the fitting is improved, and the component cost can also be reduced.

[0063] It includes a metal fitting having a mounting plate fixed to the inner wall surface of the hollow portion and a partition plate bent from the mounting plate and disposed so as to partition the hollow portion in the longitudinal direction, and the sound-absorbing material may be provided on the surface of the partition plate. Then, even in the case of a long hollow portion, the piece-shaped sound-absorbing material can be easily installed at a desired position.

[0064] It includes a frame body and a shoji supported rotatably with respect to the frame body using a hinge, and the mounting plate may also serve as a back plate for screwing the hinge to the frame member. Then, the sound-absorbing material can be easily installed using the existing back plate for fixing the hinge without using a bracket dedicated to the installation of the sound-absorbing material, and the cost can be reduced.

[0065] A frame body, a shoji screen having a frame member composed of the profile, the shoji screen being rotatably supported with respect to the frame body using a hinge, and a locking device capable of locking the shoji screen in the closed position with respect to the frame body, wherein the mounting plate may also serve as a back plate for screwing the locking device to the frame member. By doing so, the sound-absorbing material can be easily installed using the existing back plate for fixing the locking device without using a bracket dedicated to the installation of the sound-absorbing material, and the cost can be reduced.

[0066] The frame member may be a vertical frame extending along the vertical direction of the shoji screen. By doing so, since the sound-absorbing material is installed on the vertically long vertical frame that is likely to cause resonance of noise, the sound insulation performance of the entire furniture can be effectively improved.

[0067] A cap member attached to the end face of the profile and closing the mouth of the hollow portion, and a second sound-absorbing material provided on the inner surface of the cap member and disposed in the hollow portion may be provided. By doing so, the sound-absorbing material can be easily installed in the hollow portion, and the noise caused by resonance occurring in the hollow portion can be absorbed.

[0068] The furniture according to the second aspect of the present invention is a furniture including a profile having a hollow portion formed along the longitudinal direction, a cap member attached to the end face of the profile and closing the mouth of the hollow portion, and a piece-shaped sound-absorbing material provided on the inner surface of the cap member and disposed in the hollow portion. According to such a configuration, the generation of noise caused by the occurrence of air column resonance in the longitudinal direction in the hollow portion of the profile can be suppressed by the sound-absorbing material provided on the cap member, and the sound insulation performance can be ensured. Moreover, since the sound-absorbing material is a piece-shaped component disposed only in a part, not the entire length of the hollow portion, the installation work in the hollow portion is easy, the manufacturing efficiency of the furniture is improved, and the component cost can also be reduced.

[0069] It should be noted that the present invention is not limited to the above-described embodiments, and it goes without saying that it can be freely changed without departing from the gist of the present invention.

[0070] In the above description, the fitting 10 which is a sash door has been exemplified. However, the fitting to which the sound-absorbing material is to be installed may be a door that does not have a frame structure, or may be various types of windows such as hinged windows or sliding windows as long as it has a frame structure.

Explanation of Signs

[0071] 10 Fitting, 12 Frame body, 12a Upper frame, 12b Lower frame, 12c, 12d Vertical frames, 14 Shoji, 24, 25, 29, 33, 34, 37, 41, 43, 44, 54, 55, 58, 62, 64, 68 Hollow parts, 46 Face material, 47 Frame, 47a Upper frame, 47b Lower frame, 47c, 47d Vertical frames, 70 Hinge, 76, 76A Metal fittings, 82 Locking device, 82a, 86 Mounting plate, 84 Sound-absorbing material, 87 Partition plate, 88 Cap member

Claims

1. A fitting comprising a shaped member having a hollow portion formed along the longitudinal direction, characterized in that it comprises a piece-shaped sound-absorbing material disposed within the hollow portion and partitioning the hollow portion into a plurality of spaces in the longitudinal direction.

2. The fitting according to claim 1, comprising a fitting having a mounting plate fixed to the inner wall surface of the hollow portion and a partition plate bent from the mounting plate and disposed so as to partition the hollow portion in the longitudinal direction, wherein the sound-absorbing material is provided on the surface of the partition plate. This is the characteristic of the fitting.

3. The fitting according to claim 2, comprising a frame body, a shoji door having a frame member composed of the shaped member and rotatably supported with respect to the frame body using a hinge, and wherein the mounting plate also serves as a back plate for screwing the hinge to the frame member. This is the characteristic of the fitting.

4. The fitting according to claim 2, comprising a frame body, a shoji door having a frame member composed of the shaped member and rotatably supported with respect to the frame body using a hinge, a locking device capable of locking the shoji door in the closed position to the frame body, and wherein the mounting plate also serves as a back plate for screwing the locking device to the frame member. This is the characteristic of the fitting.

5. The fitting according to claim 3 or 4, wherein the frame member is a vertical frame extending along the vertical direction of the shoji door. This is the characteristic of the fitting.

6. The fitting according to any one of claims 1 to 4, comprising a cap member attached to the end face of the shaped member and closing the small end of the hollow portion, and a second sound-absorbing material provided on the inner surface of the cap member and disposed within the hollow portion. This is the characteristic of the fitting.

7. A fitting comprising a shaped member having a hollow portion formed along the longitudinal direction, a cap member attached to the end face of the shaped member and closing the small end of the hollow portion, and a piece-shaped sound-absorbing material provided on the inner surface of the cap member and disposed within the hollow portion. This is the characteristic of the fitting.

Citation Information

Patent Citations

  • JP1988043349U