JP2003336345A - Double ceiling structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a double ceiling structure which has good workability and good performance for insulating a floor impact sound in a room on an upper floor. <P>SOLUTION: This double ceiling structure is constituted in such a manner that a ceiling joist material (17) for mounting a ceiling material (3) is supported on a ceiling slab surface (1) while leaving a space in between; the length of the material (17) is adjusted so as to be set at or below the amount of allowable deflection in the state in which the ceiling material (3) is mounted; and the material (17) is supported only by both ends; and at least the end, which is located by a wall, is supported by being mounted on a wall surface. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The invention of this application relates to a double ceiling structure. More specifically, the invention of this application relates to a double-ceiling structure that has good workability and also has a good performance of blocking the floor impact sound of a room on the upper floor.

[0002]

2. Description of the Related Art Conventionally, in buildings such as condominiums,
In the case of forming a double-ceiling structure by supporting, on a ceiling slab surface, a field edge material to which a ceiling material is attached with a space, for example, as illustrated in FIG. 8, approximately 900 mm from the ceiling slab surface (1). A large number of hanging materials (2) are hung down at a pitch, and a ceiling material (3) is attached by the large number of hanging materials (2) and a long field material having a length substantially extending over the entire length of the room (4). (5) was suspended and supported to form a double ceiling structure.

[0003]

However, it takes a lot of time and labor to embed an insert fitting (not shown) in the ceiling slab surface (1), attach a large number of suspension members (2) and hang it down. As illustrated in, the long field material (5) is connected to the short field material (5a) through the connecting material (6).
When forming a double-ceiling structure with different levels by suspending and supporting the different levels, the portion where the long field material (5) and the short field material (5a) are overlapped is the space above the ceiling. Becomes narrower,
Since it becomes an obstacle when arranging a duct, a ceiling-embedded air conditioner, etc. in the space above the ceiling, the long field material (5) is cut and removed at the overlapping portion, and the hanging material (2) is removed. Since it is necessary to change the position, it takes more time and labor, and there is a problem that workability is poor.

In addition, as shown in FIG.
Floor (9) of the room (8) on the upper floor with a vacuum cleaner (7)
The floor impact sound (10) emitted from the ceiling slab surface (1), a large number of hanging materials (2) and field materials (5), (5).
There is a problem that it propagates to the room (4) on the lower floor via a), and, in addition, the ceiling slab having a double-ceiling structure as well as the above-mentioned double-ceiling structure, such as a building such as an apartment. Floor base material via floor support slab surface (11) of upper floor room (8) located above surface (1) via support legs (12) with vibration damping material (12a) and girth joists (13). (1
If a double floor supporting 4) is provided,
The floor impact sound (10) emitted from the floor portion (9) of the room (8) on the upper floor propagates through the large number of suspension members (2) as described above, and, in addition, it can be added to 13) through the floor base material (14) and the joist (1
3), the wall part (15) and the field materials (5) and (5a), and is easily propagated to the room (4) on the lower floor, and the floor impact sound (10) of the room (8) on the upper floor is generated. There was also a problem that the blocking performance of () was poor.

Incidentally, in FIG. 8, (16) is a field edge holding material fitted to both ends of the field edge materials (5) and (5a).

The invention of this application has been made in view of the above-described circumstances, solves the above problems, has good workability, and has a floor impact sound of a room on the upper floor. The issue to be solved is to provide a double-ceiling structure with good barrier performance.

[0007]

The invention of this application was made in order to solve the above-mentioned problems. The first invention is to provide a field edge material for attaching a ceiling material to a ceiling slab surface. In a double-ceiling structure that is supported by separating a space, the length of the field edge material is adjusted so that it is less than the allowable deflection amount with the ceiling material attached, and the field edge material is supported only at both ends. A double ceiling structure is provided in which at least an end portion located in the wall gap is attached to and supported by a wall surface.

A second aspect of the present invention is the above-mentioned double ceiling structure in which a part of the field edge material is supported in a stepwise manner with another field edge material via a connecting material. According to a fourth aspect of the present invention, the double ceiling structure according to any one of the above, wherein the vibration isolator is interposed between the wall-side end portion of the wild edge material that is attached to and supported on the wall surface and the wall surface. The double ceiling structure according to the first or second invention, wherein a spacer provided with an air vent hole penetrating in the vertical direction toward the room is interposed between the wall-side end of the wild edge material and the wall surface, 5th invention is the said double ceiling structure whose spacer consists of vibration-proof materials, 6th invention is the support leg with a vibration-proof material on the floor slab surface of the upper floor located above a ceiling slab surface. The floor base material is supported through the double floor, and the wall side end of the floor base material located in the wall gap is equipped with a vibration isolation material. Claim 1 comprising supporting at joists when
The seventh aspect of the present invention is the double ceiling structure according to any one of
On the floor slab surface of the upper floor located above the ceiling slab surface, the double-floor is supported by supporting the floor base material through the support legs with vibration-proof material, and the floor base material located in the wall gap is The double ceiling structure according to any one of claims 1 to 5, wherein the end portion on the wall surface side is also supported by support legs provided with a vibration-proof material.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION The invention of this application has the characteristics as described above, and the embodiments thereof will be described below.

FIG. 1 is a vertical cross-sectional view illustrating one embodiment of the double ceiling structure of the invention of this application.

As illustrated in FIG. 1, the invention of this application is a double ceiling in which a ceiling material (17) for mounting a ceiling material (3) is supported on a ceiling slab surface (1) across a space. In the structure, the length of the wild edge material (17) is adjusted to be equal to or less than the allowable deflection amount with the ceiling material (3) attached, and the wild edge material (17) is provided only at both ends. It is supported at two points, and at least the end located in the wall gap is attached to the wall [wall (1
5) Surface]] to support the double ceiling structure.

In the invention of this application, the ceiling slab surface (1) is formed of, for example, a concrete base forming a ceiling slab of a building.

As the ceiling material (3), for example, a general-purpose ceiling material (3) made of a fiber reinforced cement board, a decorative gypsum board, a decorative plywood or the like is used.

When the length of the field edge material (17) is adjusted to be less than the allowable deflection amount with the ceiling material (3) attached, for example, the field edge material (17) is
Square pipe made of lightweight steel frame, etc.
0.5 mm], and cut into a length of about 3000 mm so that the bending amount is less than the allowable deflection that does not hinder practical use when the general-purpose ceiling material (3) is attached to the square pipe and installed. Just do it.

When the field edge material (17) is supported only at both ends and at least the end portion located in the wall gap is attached to the wall surface to be supported, the field edge material (17) made of, for example, the above-mentioned square pipe is used. At both ends of, the steel material with a U-shaped cross-section [Cross-sectional dimension:
67 × 45 × 0.5 mm] field edge holding material (16)
The field edge holding material (16) which is fitted to the end located in the wall gap, is attached to the wall (15) with a fastener such as a nail or a screw.
Field edge holding material that is fixed to the surface of the
6) through the anti-vibration metal fittings (18), the ceiling slab surface (1)
It is sufficient to support only both ends of the field edge material (17) by suspending and supporting it with a suspension material (2) made up of anchor bolts and the like hanging from the above.

As described above, in the invention of this application,
The length of the field material (17) is adjusted so as to be less than the allowable deflection amount with the ceiling material (3) attached, and the field material (17) is supported only at both ends, and at least the wall gap is provided. Since the end located at is attached to and supported by the wall surface, the number of hanging materials (2) used can be reduced to the necessary minimum, and therefore the hanging man-hours of the hanging materials (2) are greatly reduced. Therefore, the workability is good, and FIG.
As illustrated in, the floor impact sound (1
0) can be reduced to the minimum limit by propagating to the room (4) on the lower floor through the hanging material (2), so that the floor impact sound (10) of the room (8) on the upper floor can be blocked. Is also good.

FIG. 2 is a vertical cross-sectional view illustrating another embodiment of the double ceiling structure of the invention of this application.

In FIG. 2, the same parts as those in FIG. 1 are designated by the same reference numerals and the description thereof will be omitted.

As illustrated in FIG. 2, the invention of this application is the same as in the embodiment illustrated in FIG.
Part of the field edge material (17a) among 7) is the connecting material (6)
The present invention relates to a stepped double-ceiling structure in which a step difference is provided between the other edge material (17b) with a height difference, and the stepped ceiling is supported.

In the invention of this application, when a part of the field material (17a) is supported in a stepwise manner with another field material (17b) through the connecting material (6), for example, As the field materials (17a), (17b) and the connecting material (6),
Square pipe made of lightweight steel frame, etc. [Cross section size: 65 x 45 x
0.5 mm], and the field edge materials (17a), (17
b) and the connecting member (6) may be brought into contact with each other and fixed by a fastener such as a screw to support them in different steps.

Further, in the embodiment illustrated in FIG. 2, the field edge material (17a) located in the central portion is suspended and supported by the hanging material (2), and both end portions of the field edge material (17a) are supported. Although an example in which the field edge material (17b) located in the wall gap is attached through the connecting material (6) attached in the vicinity and hung down to form the concave stepped ceiling structure, the staircase may be used as necessary. Needless to say, a desired stepped ceiling structure such as a stepped ceiling structure can be similarly formed.

As described above, in the invention of this application,
Since a part of the field edge material (17a) is stepwise supported with the other field edge material (17b) through the connecting material (6) to form a stepped double ceiling structure, FIG. Unlike the conventional example illustrated, the long field material (5) and the short field material (5a) do not form a double overlapping portion, and therefore the long field material (5) is A stepped double ceiling structure can be formed without cutting, removing, or changing the position of the suspension member (2), and as illustrated in FIG. The duct (19), the ceiling-embedded air conditioner, etc. can be disposed in the room, the workability is good, and, of course, the floor impact sound blocking performance is also good as in the above case.

FIG. 3 and FIG. 4 are vertical sectional views with detailed views of main parts illustrating still another embodiment of the double ceiling structure of the invention of this application.

In FIGS. 3 and 4, the same parts as those in FIG. 1 are designated by the same reference numerals and the description thereof will be omitted.

As illustrated in FIG. 3 and FIG. 4, the invention of this application, in the embodiment illustrated in FIG. 1 (and FIG. 2) described above, is attached to and supported by the wall surface [the surface of the wall portion (15)]. The present invention relates to a double-ceiling structure in which a vibration-proof material (20) such as a vibration-proof rubber is interposed between the wall-side end portion of the wild edge material (17) and the wall surface.

In the invention of this application, when the vibration isolator (20) is interposed between the wall surface side end of the field edge material (17) and the wall surface, for example, as shown in FIG. The field edge holding material (1) fitted to the wall side end of the field edge material (17)
6) Between the wall surface and the block vibration-proof rubber (67 x 45 x
A vibration damping material (20) made of, for example, 20t) is interposed or, as illustrated in FIG. 4, the field edge material (17) and the field edge holding material (1).
Between 6), the vibration-proof material (2
0) may be interposed.

As described above, in the invention of this application,
Since the anti-vibration material (20) is interposed between the wall surface side end portion of the field edge material (17) attached to and supported on the wall surface, the floor impact in the embodiment illustrated in FIG. 1 (and FIG. 2). In addition to the sound-blocking effect, the floor-impacting sound can be blocked by the vibration-proofing effect of the vibration damping material (20), so that the floor-impacting sound blocking performance of the room on the upper floor is further improved.

FIG. 5 is a vertical cross-sectional view with a detailed view of essential parts illustrating still another embodiment of the double-ceiling structure of the invention of this application.

In FIG. 5, the same parts as those in FIG. 1 are designated by the same reference numerals and the description thereof will be omitted.

As illustrated in FIG. 5, the invention of this application is a field edge which is attached to and supported by a wall surface [the surface of the wall portion (15)] in the embodiment illustrated in FIG. 1 (and FIG. 2) described above. The present invention relates to a double ceiling structure in which a spacer (21) provided with an air vent hole (21a) penetrating in the vertical direction toward the room is interposed between the wall surface side end of the material (17) and the wall surface.

In the invention of this application, a spacer (21) provided with an air vent hole (21a) penetrating in the vertical direction toward the room, between the wall surface side end of the field edge material (17) and the wall surface. In the case of interposing the space between the field edge holding material (16) fitted to the wall side end of the field edge material (17) and the wall surface, for example, as shown in FIG. A rubber provided with a desired number (two in FIG. 5) of air vent holes (21a) that can be opened vertically through the room,
A block-shaped spacer (21) made of synthetic resin or the like may be interposed.

As described above, in the invention of this application,
Since a spacer (21) having an air vent hole (21a) penetrating in the vertical direction toward the room is interposed between the wall surface side end portion of the field edge member (17) that is attached to and supported on the wall surface and the wall surface. In addition to the effect of blocking the floor impact sound in the embodiment illustrated in FIG. 1 (and FIG. 2), the spacer (2
Since the floor impact sound can be blocked by the air vent effect of the air in the ceiling space by the air vent hole (21a) of 1), the floor impact sound blocking performance of the room on the upper floor is further improved.

Further, in the invention of this application, the spacer (21) is, for example, a vibration-proof rubber (77 × 45 × 2).
0t) and the like, the floor impact sound blocking effect in the embodiment illustrated in FIG. 1 (and FIG. 2),
In addition to the air vent effect of the air vent holes (21a) of the spacer (21), the floor impact sound can be blocked by the anti-vibration effect of the spacer (21) made of a vibration isolating material. The floor impact sound insulation performance is even better.

FIG. 6 is a vertical sectional view illustrating still another embodiment of the double ceiling structure of the invention of this application.

In FIG. 6, the same parts as those in FIGS. 1 and 8 are designated by the same reference numerals and the description thereof will be omitted.

As illustrated in FIG. 6, the invention of this application is similar to the conventional example illustrated in FIG. 8 in the embodiment illustrated in FIG. 1 (or FIG. 5) described above.
On the floor slab surface (11) of the room (8) on the upper floor, which is located above the ceiling slab surface (1) of the double ceiling, via the supporting legs (12) with the desired number of vibration damping materials (12a). The floor base material (14) is supported to provide a double floor, and the wall side end portion of the floor base material (14) located in the wall gap is replaced with a joist (13) of the conventional example to prevent the floor base material (14). The present invention relates to a double ceiling structure that is supported by a joist (13) with a vibration material (13a).

In the invention of this application, when the joist (13) with the vibration-proof material (13a) is formed,
For example, as illustrated in FIG. 6, a vibration-proof material (13a) such as a vibration-proof rubber is fixed to the lower end portion of the outer joist (13), or a vibration-proof material (13a) is attached to the upper end of the outer joist (13). It may be fixed.

As described above, in the invention of this application,
Floor base through a support leg (12) with a vibration damping material (12a) on the floor slab surface (11) on the upper floor located above the ceiling slab surface (1) illustrated in FIG. 1 (or FIG. 5). Material (1
When a double floor is supported by supporting 4), the wall surface side end of the floor base material (14) located in the wall gap is attached to the vibration damping material (13a).
Since it is supported by a joist (13) when attached, the floor (9) of the room (8) on the upper floor, as in the conventional example illustrated in FIG.
The floor impact sound (10) emitted from the sound source propagates to the room (4) on the lower floor via the shita jota (13).
Since it can be prevented by the antivibration effect of the antivibration material (13a) provided on the floor, the floor impact sound (1
The interruption performance of 0) is more favorable.

FIG. 7 is a longitudinal sectional view illustrating still another embodiment of the double ceiling structure of the invention of this application.

In FIG. 7, the same parts as those in FIGS. 1 and 8 are designated by the same reference numerals and the description thereof will be omitted.

As illustrated in FIG. 7, the invention of this application is similar to the conventional example illustrated in FIG. 8 described above in the embodiment illustrated in FIG. 1 (or FIG. 5) described above.
On the floor slab surface (11) of the room (8) on the upper floor, which is located above the ceiling slab surface (1) of the double ceiling, via the supporting legs (12) with the desired number of vibration damping materials (12a). The floor base material (14) is supported to provide a double floor, and the wall side end of the floor base material (14) located in the wall gap is also replaced with the conventional joist (13) to prevent The present invention relates to a double ceiling structure that is supported by a support leg (12) with a vibration material (12a).

In the invention of this application, when the support leg (12) with the vibration damping material (12a) is formed,
For example, as illustrated in FIG. 6, a vibration damping material (12a) such as a vibration damping rubber is fixed to the lower end of the support leg (12), or a vibration damping material (12a) is fixed to the upper end of the support leg (12). It may be fixed.

As described above, in the invention of this application,
Floor base through a support leg (12) with a vibration damping material (12a) on the floor slab surface (11) on the upper floor located above the ceiling slab surface (1) illustrated in FIG. 1 (or FIG. 5). Material (1
When a double floor is supported by supporting 4), the wall surface side end of the floor base material (14) located in the wall gap is also a vibration damping material (12a).
Since it is supported by the supporting legs (12) with a floor, as in the conventional example illustrated in FIG. 8, the floor (9) of the room (8) on the upper floor.
The floor impact sound (10) emitted from the room propagates to the room (4) on the lower floor via the girth joists (13), and the supporting legs (12)
Since it can be prevented by the anti-vibration effect of the anti-vibration material (12a) provided on the floor, the floor impact sound (1
The interruption performance of 0) is more favorable.

Of course, the invention of this application is not limited to the above-mentioned embodiments, but the materials, shapes, structures, sizes, etc. of the field edge materials, the connecting materials, the spacers, the supporting legs, the joist, etc. It goes without saying that various modes are possible.

[0045]

As described in detail above, according to the invention of this application, it is possible to form a double-ceiling structure which has good workability and also has a good performance of blocking the floor impact sound of the room on the upper floor.

[Brief description of drawings]

FIG. 1 is a vertical sectional view illustrating an embodiment of a double ceiling structure of the invention of the present application.

FIG. 2 is a vertical cross-sectional view illustrating another embodiment of the double ceiling structure of the invention of this application.

FIG. 3 is a vertical cross-sectional view with a detailed view of relevant parts illustrating still another embodiment of the double-ceiling structure of the invention of this application.

FIG. 4 is a vertical cross-sectional view with a detailed view of an essential part illustrating still another embodiment of the double ceiling structure of the invention of this application.

FIG. 5 is a vertical cross-sectional view with a detailed view of relevant parts illustrating still another embodiment of the double ceiling structure of the invention of this application.

FIG. 6 is a vertical cross-sectional view illustrating still another embodiment of the double ceiling structure of the invention of this application.

FIG. 7 is a vertical cross-sectional view illustrating still another embodiment of the double ceiling structure of the invention of this application.

FIG. 8 is a vertical cross-sectional view illustrating a conventional example.

[Explanation of symbols]

1 Ceiling slab surface 2 hanging materials 3 ceiling materials 4 rooms 5 Long field materials 5a Short length of field material 6 connecting material 7 vacuum cleaner 8 rooms 9 floor 10 floor impact sound 11 Floor slab surface 12 Support legs 12a Anti-vibration material 13 Genta 13a Anti-vibration material 14 Floor base material 15 wall 16 Field retaining material 17 Wild materials 17a Part of wild materials 17b Other wild materials 18 Anti-vibration metal fittings 19 ducts 20 Anti-vibration material 21 Spacer 21a Air vent hole

Front page continuation (51) Int.Cl. ⁷ Identification code FI theme code (reference) E04F 15/20 E04B 5/52 UVA (72) Inventor Hiroshi Kano 1048 Kadoma, Kadoma, Osaka Prefecture Matsushita Electric Works, Ltd. (72) Inventor Yoshiaki Uji, 1048, Kadoma, Kadoma, Osaka Prefecture Matsushita Electric Works Co., Ltd. F term (reference) 2E001 DF07 FA13 FA14 FA71 GA01 GA12 GA55 GA63 HD11 HE01 KA08 LA09 2E220 AA19 AB06 AB22 AC03 CA23 DB15 EA11 GA07Y

Claims (7)

[Claims] 1. In a double-ceiling structure in which a ceiling material for mounting a ceiling material is supported on a ceiling slab surface across a space, the length of the ceiling material is an allowable amount of deflection with the ceiling material attached. A double-ceiling structure, which is adjusted as described below, in which the wild edge material is supported only at both ends, and at least the end portion located in the wall gap is attached to and supported by a wall surface. 2. The double ceiling structure according to claim 1, wherein a part of the field materials is supported in a stepwise manner with respect to the other field materials via a connecting material. 3. The double ceiling structure according to claim 1, wherein a vibration damping material is interposed between the wall surface side end portion of the field edge material which is mounted and supported on the wall surface and the wall surface. 4. A spacer having an air vent hole penetrating in the vertical direction toward the room is interposed between the wall surface side end portion of the field edge member mounted and supported on the wall surface and the wall surface. Double ceiling structure described. 5. The double ceiling structure according to claim 4, wherein the spacer is made of a vibration-proof material. 6. A double floor is provided on the floor slab surface on the upper floor located above the ceiling slab surface by supporting legs with vibration-proof material to provide a double floor, and is located in the wall gap. The double-ceiling structure according to any one of claims 1 to 5, wherein an end portion of the floor base material on the wall surface side is supported by a joist with a vibration-proof material. 7. A double floor is provided on the floor slab surface on the upper floor located above the ceiling slab surface by supporting legs with vibration-proof materials to provide a double floor, and is located in the wall gap. The double-ceiling structure according to any one of claims 1 to 5, wherein the end portion of the floor base material on the wall surface side is also supported by support legs with a vibration-proof material.