JP2023050686A - Ceiling structure and construction method of ceiling structure - Google Patents

Abstract

To provide a ceiling structure capable of making an indoor space to a space with an impression of openness having continuity to the outdoors.SOLUTION: A ceiling structure 1 includes: a window casing 6 formed on the indoor side of an opening part 4; a ceiling-embedded type curtain box 10 arranged along an upper frame of the widow casing 6, formed in a groove-like shape having a pair of side plates 14 and an upper plate 13, and having a curtain rail 22 fixed on a lower surface of the upper plate 13; a window upper ceiling material 11 adjacent to the curtain box 10, and fixed to a lower part of the window casing 6; and a ceiling decorative material 12 fixed to the opposite side from the window upper ceiling material 11 by sandwiching the curtain box 10. The window upper ceiling material 11 and the ceiling decorative material 12 are formed by the same material, and heights of the lower surfaces are substantially the same.SELECTED DRAWING: Figure 1

Description

TECHNICAL FIELD The present invention relates to a ceiling structure having a ceiling-embedded curtain box on the indoor side of an opening, and a construction method for the ceiling structure.

Conventionally, to prevent the curtain rails installed along the opening from being exposed and to suppress the deterioration of the design of the ceiling part, and to prevent external light from leaking from the upper part of the curtain and improve the light blocking effect. 2. Description of the Related Art There is known a structure in which a curtain box is embedded in a groove in a ceiling surface and a curtain rail is accommodated in the curtain box (see Patent Documents 1 and 2, for example).

In the embedded curtain box as described above, one side edge is in contact with the ceiling decorative material, and the other side edge is fixed with a projecting member extending in the horizontal direction. It abuts on the top frame.

JP-A-2000-102475 Japanese Utility Model Laid-Open No. 06-15587

By the way, when a curtain box is provided on the ceiling surface along the opening, the ceiling surface is interrupted on the indoor side of the opening, giving the impression that the indoor space is separated from the outdoor space.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a ceiling structure capable of making an indoor space a space with an open impression that is continuous with the outdoors.

The ceiling structure of the present invention includes: a window frame formed on the indoor side of an opening; A ceiling-embedded curtain box in which a curtain rail is fixed to the lower surface, a window ceiling material adjacent to the curtain box and fixed below the window frame, and the window ceiling material sandwiching the curtain box. and a decorative ceiling material fixed on the opposite side, wherein the ceiling material above the window and the decorative ceiling material are formed of the same material and have substantially the same lower surface height.

The ceiling structure of the present invention is characterized in that the pair of side plates and the upper plate are made of the same material as the above-window ceiling material and the ceiling decorative material.

The ceiling structure of the present invention is characterized in that flanges of the same width are formed at the lower ends of the pair of side plates, respectively, to cut off the edge of the ceiling decorative material and the edge of the ceiling material above the window.

The ceiling structure of the present invention is characterized in that the opening is a ceiling-high opening that opens to the height of the lower surface of the above-window ceiling material and the ceiling decorative material.

The ceiling structure of the present invention is characterized in that the sash frame forming the peripheral edge of the opening is formed in the same color as or a similar color to that of the above-window ceiling material.

The ceiling structure of the present invention is characterized in that the height of the eaves surface formed on the outdoor side of the opening is substantially equal to the lower surfaces of the above-window ceiling material and the ceiling decorative material.

In the ceiling structure construction method of the present invention, a ceiling base material is arranged on the upper side of the ceiling decorative material, and a window upper and lower base material is arranged on the upper side of the window upper ceiling material, and on the ceiling pocket side of the curtain box. Any of the ceiling structure construction methods described above, wherein the box base material is arranged in a groove along the pair of side plates and the top plate of the curtain box, wherein the curtain box includes the pair of side plates and the top plate. , and the box base material is fixed to the base material formed in the ceiling pocket in an integrated state by being fixed in a groove shape.

According to the ceiling structure of the present invention, the window ceiling material is fixed below the window frame adjacent to the ceiling-embedded curtain box formed along the upper frame of the window frame of the opening. The ceiling decorative material is fixed on the opposite side of the window ceiling material across the window. A person who looks up can feel the impression that the ceiling material above the window and the ceiling decorative material are continuous, and the impression that the indoor and outdoor are divided by the curtain box can be alleviated.

According to the ceiling structure of the present invention, since the pair of side plates and top plate that constitute the curtain box are made of the same material as the window ceiling material and the ceiling decorative material, the curtain box itself is also made of the same material as the window ceiling material and ceiling decorative material. The impression of being continuous with the material can be made, and the impression that the indoor and outdoor are divided by the curtain box can be further softened.

According to the ceiling structure of the present invention, the flanges formed at the lower ends of the pair of side plates are formed to have the same width, respectively, and cut off the edge of the decorative ceiling material and the edge of the above-window ceiling material. The decorative material, the ceiling material above the window, and the curtain box can be given a unified and continuous impression.

According to the ceiling structure of the present invention, since the opening is a ceiling high opening that opens to the height of the lower surface of the ceiling material above the window and the ceiling decorative material, it is possible to give an impression of a more open feeling toward the outdoors. The continuity of the ceiling material above the window and the ceiling decorative material gives the impression that it continues to the outdoors.

According to the ceiling structure of the present invention, the sash frame has the same color as or a similar color to that of the ceiling material above the window, so that the continuity between the indoor and outdoor spaces can be further enhanced, and the impression of a more open feeling toward the outdoors can be achieved. can.

According to the ceiling structure of the present invention, since the height of the eaves surface formed on the outdoor side of the opening is substantially equal to the lower surface of the window ceiling material and ceiling decorative material, the eaves surface is continuous with the indoor ceiling surface. This gives an impression, and it is possible to create an impression with a more open feeling toward the outdoors.

According to the construction method of the ceiling structure of the present invention, the curtain box is fixed to the base material formed in the ceiling pocket in a state in which the pair of side plates, the top plate, and the box base material are fixed in a groove and integrated. Therefore, workability can be improved.

Sectional drawing which shows the internal structure of the ceiling structure of this embodiment. The perspective view which shows the external appearance structure of the ceiling structure of this embodiment. Sectional drawing which shows the state which fixed the ceiling base material, the window upper and lower base material, the box base material, and the Itano edge in the construction method of the ceiling structure of this embodiment. Sectional drawing which shows the state which fixes a ceiling decorative material, a window ceiling material, a side board, and an upper board in the construction method of the ceiling structure of this embodiment. In the construction method of the ceiling structure of another embodiment, the pair of side plates, the top plate, and the box base material are fixed to the wooden base material to form a curtain box in a state of being solidly integrated in a groove shape. Cross-sectional view for explanation. Sectional drawing explaining the state which affixes a ceiling decorative material and an above-window ceiling material, and forms a ceiling surface in the construction method of the ceiling structure of another embodiment.

EMBODIMENT OF THE INVENTION Hereafter, embodiment of the construction method of the ceiling structure 1 which concerns on this invention, and a ceiling structure is described, referring each figure. A ceiling structure 1 is, for example, a ceiling structure forming a ceiling surface of a house. Buildings in which the ceiling structure 1 is used are not limited to houses, and can be used as the ceiling structure 1 for various buildings such as public buildings and hotels. The ceiling structure 1 in this embodiment is a space ceiling structure 1 in which an opening 4 that opens up to the height of the ceiling surface is formed, and eaves are formed outside the opening 4 . The ceiling structure 1 gives a continuous impression from the indoor ceiling surface 2 to the eaves ceiling surface 3. - 特許庁

The ceiling structure 1, as shown in FIG. a box base material 8 continuously formed on the indoor side from the window top and bottom base material 7 and formed in a groove shape along the opening 4; and a box base material 8 formed continuously. a curtain box 10 arranged on the indoor side along the window frame 6 and fixed to the box base material 8; and a window ceiling adjacent to the curtain box 10 and fixed below the window frame 6. and a ceiling decorative material 12 fixed to the ceiling base material 9 and fixed on the opposite side of the window upper ceiling material 11 with the curtain box 10 interposed therebetween. The ceiling structure 1 further has eaves formed on the outdoor side of the opening 4 , and the lower surface of the eaves serves as the eaves ceiling surface 3 .

As shown in FIGS. 1 and 2, the opening 4 is a double sliding window whose entire surface from the floor surface to the ceiling surface 2 is open. Since the opening 4 is a full-surface opening, the indoor space can be made into a space with a sense of openness. The sash frame 5 is a sash made of, for example, aluminum in which a shoji (not shown) arranged inside is slidable. The sash frame 5 is painted in the same color as or a similar color to that of the window ceiling material 11, which will be described later. Here, the approximate color means, for example, a color difference within 10 stipulated by JIS Z 8730.

The window frame 6 is a wooden rectangular frame arranged on the indoor side of the sash frame 5 . The window top and bottom material 7 is a gypsum board fixed to the bottom surface of the top material of the window frame 6 . The box base material 8 is fixed to a wooden base material 15 arranged in the ceiling pocket so as to serve as a base for the upper plate 13 and the pair of side plates 14 forming the curtain box 10, and is formed in a groove shape. It is made of gypsum board. The box base material 8 is formed by combining a pair of side surface base plates 16 forming both side surfaces and an upper surface base plate 17 forming the bottom surface of the groove. The ceiling base material 9 is a gypsum board fixed to a steel joist 18 formed in the ceiling pocket. The steel joist 18 is fixed to a joist receptacle 21 engaged with the lower end of a ceiling hanger 20 suspended from the flange of an H-shaped steel beam 19 . The window upper and lower base material 7, the box base material 8, and the ceiling base material 9 are continuously arranged in the ceiling pocket, and ensure fire resistance and soundproofing of the ceiling surface 2. - 特許庁

The curtain box 10 is a wooden decorative material attached to a box base material 8 made of gypsum board, and is formed in a groove shape by a pair of side plates 14 and a top plate 13. - 特許庁The curtain box 10 also has end plates (not shown) made of the same wooden decorative material at both ends in the longitudinal direction. Two curtain rails 22 are fixed to the upper plate 13 of the curtain box 10. Although not shown, the roof of the opening 4 can be secured by engaging a curtain hook provided at the upper end of the curtain to the curtain rail 22 (not shown). Place curtains inside.

The window top ceiling material 11 is a wooden decorative material fixed via Itano edge 28 to the window top and bottom base material 7 fixed to the window frame 6 . The upper window ceiling material 11 is formed of the same material as the pair of side plates 14 and the upper plate 13 of the curtain box 10, and the edge on the indoor side is hidden by the flange 24 formed at the lower end of one of the side plates 14. are placed. In addition, a viewing member 23 having an L-shaped cross section is arranged at the edge of the window ceiling member 11 on the outdoor side.

The ceiling decorative material 12 is a wooden decorative material fixed to the ceiling base material 9 via Itano edge 28 . The ceiling decorative material 12 is formed of the same material as the upper window ceiling material 11, the pair of side plates 14, and the upper plate 13, and a flange formed at the lower end of the other side plate 14 abutting against the other side plate 14. 24 is located with the edge hidden. The flange 24 formed at the lower end of one side plate 14 and overlooking the edge of the decorative ceiling material 12 and the flange 24 formed at the lower end of the other side plate 14 and overlooking the edge of the above-window ceiling material 11 are the same. The width is formed so that the edge of the decorative ceiling material 12 and the edge of the ceiling material 11 above the window are separated from each other, so that the decorative ceiling material 12, the ceiling material 11 above the window and the curtain box 10 are unified. It can be a continuous impression.

Further, the ceiling decorative material 12 and the ceiling material 11 above the window are formed to have substantially the same lower surface height. In this way, the ceiling surface 2 is divided by the curtain box 10 because the ceiling decorative material 12, the window ceiling material 11, the pair of side plates 14 constituting the curtain box 10, and the top plate 13 are formed of the same material. The impression that the ceiling decorative material 12 and the above-window ceiling material 11 are connected to each other can be suppressed, and the impression that the ceiling surface 2 is continuous and integrated can be given. In particular, since the lower surface of the ceiling decorative material 12 and the lower surface of the ceiling material 11 above the window are formed to have substantially the same height, the ceiling surface 2 is further recognized as an integral part, and the indoor and outdoor are separated. You can avoid making an impression.

The ceiling decorative material 12, the window ceiling material 11, the pair of side plates 14 constituting the curtain box 10, and the top plate 13 are formed of the same material, for example, by processing the same kind of wood into the same color and texture. It means the appearance that a person who looks up at the ceiling surface can recognize that it is made of the same material as if it were made of the same material. The ceiling decorative material 12, the window ceiling material 11, the pair of side plates 14 and the top plate 13 that constitute the curtain box 10 are not limited to being made of wood. , a patterned cloth may be wrapped around it.

On the outdoor side above the opening 4, arms 25 supported by the beams 19 are formed extending, and purlins are constructed between the arms 25 to support the eaves (not shown). A ceiling joist receiver 21 is formed on the lower surface of the arm 25, and an eaves lining 26 extending in the outdoor direction is fixed via the ceiling joist receiver 21. - 特許庁An eaves back material 27 is attached to the lower surface of the eaves lining 26, and the lower surface of the eaves back material 27 forms the eaves ceiling surface 3. - 特許庁The eaves back material 27 is a wooden decorative material for outdoor use. The material of the eaves backing material 27 is formed of a material having colors and patterns similar to those of the window top ceiling material 11, the pair of side plates 14 of the curtain box 10, the top plate 13, and the ceiling decorative material 12, which are formed indoors. is preferred. With this configuration, the impression is that the eaves backing material 27 is integrally formed continuously with the ceiling decorative material 12, the curtain box 10, and the ceiling material 11 above the window, and a sense of unity between indoors and outdoors can be enhanced. Further, the height of the eaves ceiling surface 3, which is the lower surface of the eaves back surface material 27, is preferably substantially equal to the height of the lower surfaces of the upper window ceiling material 11 and ceiling decorative material 12. As shown in FIG. If the height of the ceiling material 11 above the window and the ceiling decorative material 12 is approximately equal to the eaves ceiling surface 3, the sense of unity between indoors and outdoors can be enhanced. In addition, "substantially equal" means that the height of the eaves surface 3, the height of the eaves surface 3 and the ceiling material 11 above the window and the ceiling are such that a person looking up from below can recognize that the ceiling surface 2 and the eaves surface 3 are substantially flush with each other. It means that the height of the lower surface of the decorative material 12 is close.

In the construction method of the ceiling structure of the present embodiment for constructing the ceiling structure 1 configured as described above, first, as shown in FIG. , a window upper and lower base material 7 is attached to the lower side of the upper frame of the window frame 6. - 特許庁Then, the top surface base plate 17 and the pair of side surface base plates 16 of the box base material 8 are adhered to the wooden base material 15 arranged in the ceiling pocket to form a ceiling base surface having fire resistance. Then, the Itano edge 28 is fixed to the lower surface of the ceiling base material 9 and the window ceiling material 11 at a predetermined pitch, and the ceiling decorative material 12 and the window ceiling material 11 are attached to the Itano edge 28 as shown in FIG. . After that, the curtain box 10 is formed by fixing one side plate 14 , the top plate 13 and the other side plate 14 in this order to the box base material 8 . On the outdoor side, the eaves back surface 27 is attached to the eaves lining 26 to form the eaves surface 3, and the ceiling structure 1 is completed.

5, a gypsum board ceiling base material 9 is attached to a steel joist 18, and the lower side of the upper frame of the window frame 6 is attached. A window upper and lower base material 7 is attached to the . A curtain box 10 is formed by fixing a pair of side plates 14, a top plate 13, and a box base material 8 to a wooden base material 15 formed in the ceiling pocket in an integrated state in which they are fixed in a grooved manner. do. After that, as shown in FIG. 6, the Itano edge 28 is fixed to the lower surface of the ceiling base material 9 and the window ceiling material 11 at a predetermined pitch, and the ceiling decorative material 12 and the window ceiling material 11 are attached to the Itano edge 28. to form the ceiling surface 2, and the curtain rail 22 is fixed to the top plate 13 of the curtain box 10. - 特許庁Then, on the outdoor side, the eaves surface 3 is formed by sticking the eaves backing material 27 to the eaves lining 26 to complete the ceiling structure 1. - 特許庁

As described above, according to the construction method of the ceiling structure of the other embodiment, the pair of side plates 14, top plate 13, and box base material 8 are integrated in a groove-like manner and fixed to the wooden base material 15 to form the curtain. Since the box 10 is formed, construction of the ceiling structure 1 having the curtain box 10 can be easily performed.

It goes without saying that the embodiment of the present invention is not limited to the above-described embodiments, and can be modified as appropriate without departing from the scope of the idea of the present invention.

The ceiling structure 1 and the construction method of the ceiling structure according to the present invention are suitable for a building that gives an impression that the interior and exterior are integrated.

1 Ceiling Structure 3 Eaves Ceiling Surface 4 Opening 5 Sash Frame 6 Window Frame 7 Window Base Material 8 Box Base Material 9 Ceiling Base Material 10 Curtain Box 11 Ceiling Material Above Window 12 Ceiling Decorative Material 24 Flange 27 Back Eaves Material

Claims (7)

a window frame formed on the indoor side of the opening;
a ceiling-embedded curtain box arranged along the upper frame of the window frame, formed in a groove shape having a pair of side plates and an upper plate, and having a curtain rail fixed to the lower surface of the upper plate;
a window ceiling material adjacent to the curtain box and fixed below the window frame;
a ceiling decorative material fixed on the opposite side of the window ceiling material across the curtain box,
The ceiling structure, wherein the window ceiling material and the ceiling decorative material are made of the same material, and have substantially the same lower surface height. 2. The ceiling structure according to claim 1, wherein the pair of side plates and the upper plate are made of the same material as the above-window ceiling material and the ceiling decorative material. 3. The pair of side plates according to claim 1 or claim 2, wherein flanges of the same width are formed at the lower ends of the pair of side plates, respectively, to cut off the edge of the ceiling decorative material and the edge of the ceiling material above the window, respectively. ceiling structure. 4. The ceiling structure according to any one of claims 1 to 3, wherein the opening is a ceiling-high opening that opens to the height of the lower surface of the above-window ceiling material and the ceiling decorative material. 5. The ceiling structure according to claim 4, wherein the sash frame forming the periphery of the opening is formed in the same color as or a similar color to that of the ceiling material above the window. 6. The height of the eaves surface formed on the outdoor side of the opening is substantially equal to the lower surfaces of the above-window ceiling material and the ceiling decorative material, according to claim 4 or 5. ceiling structure. A ceiling base material is arranged above the ceiling decorative material, a window upper and lower base material is arranged above the window ceiling material, and the pair of side plates of the curtain box and the The ceiling structure construction method according to any one of claims 1 to 6, wherein the box base material is arranged in a groove shape along the upper plate,
A ceiling characterized in that the curtain box is fixed to a base material formed in the ceiling pocket in a state in which the pair of side plates, the top plate, and the box base material are fixed in a groove and integrated. Construction method of structure.

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