JP4729691B2 - Ceiling panel support structure and its construction method - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a ceiling panel support structure that supports a ceiling panel that is attached to a ceiling slab, and a construction method thereof.
[0002]
[Prior art]
As shown in FIG. 5, the conventional ceiling panel support structure is generally embedded in, for example, a ceiling slab 1, with a field edge receiver 6 that supports a field edge 7 for attaching a ceiling panel 30 supported by a hanger 5. A ceiling bolt (buried hardware) 2 is fixed to a suspension bolt 3 screwed into an inner diameter screw portion 2 a via two upper and lower nuts 4.
In this case, the field edges 7 are attached to the ceiling slab 1 one by one by adjusting the level of the lower surface horizontally, and thereafter, the ceiling panel 30 is sequentially fixed to the field edge 7 in order. ing.
[0003]
[Problems to be solved by the invention]
Such conventional techniques have the following problems.
(1) Recently, there is an increasing demand to raise the ceiling of condominiums, etc., but when constructing a ceiling base made of lightweight steel, a structure in which a field edge holder, a hanger, etc. are fixed on the field edge by suspension bolts. For this reason, the distance from the ceiling slab to the lower surface of the ceiling panel, that is, the ceiling corner is generally as large as about 100 to 120 mm, and there is a problem that the ceiling cannot be configured higher.
(2) Generally, when the span of the field edge is 2 m and the span exceeds 2 m, the joining of the field edge and the uneven adjustment are complicated and difficult.
(3) In addition to the above, since it is attached to the ceiling slab while adjusting the unevenness of the field edges one by one, there is a drawback that it takes time to install the ceiling panel and the construction cost increases.
[0004]
In order to solve these problems, an object of the present invention is to provide a ceiling panel support structure having a small ceiling, easy to join and adjust the level of the edge, and having a simple structure and good ceiling panel workability, and its construction method. Is to provide.
[0005]
[Means for Solving the Problems]
In order to solve the above problems, the present invention is formed with a thin and light structure having a long upper plate and having an appropriate rigidity, and protrudes from the lower surface of the upper plate so as to have an appropriate interval in the longitudinal direction on both the left and right sides. In addition to having a groove portion for horizontally fitting one end of a plurality of field edges supporting the ceiling panel in parallel, a screw member for fixing to the ceiling slab passes through the longitudinal center of the upper plate. A plurality of double runners having a plurality of openings, a joint member that covers the lower part of the double runner opening and has an opening through which the screw member passes, and a joint member for attaching the double runner, and a joint member And an urging member that is urged between the ceiling slab and an urging member in both directions, and the double run at an appropriate interval to the ceiling slab via a joint member by the screw member. Over are disposed in parallel to each other, characterized in that the lower surface level of the double runner is fixedly provided by performing a horizontally aligned uneven surface adjustment.
[0006]
The field edge is a thin and light-weight member having a flat structure at least on the lower surface and having an appropriate rigidity.
[0007]
The field edge is a thin-walled square cross-section hollow member.
[0008]
Furthermore, in the ceiling panel construction method for attaching a ceiling panel using the ceiling panel support structure according to any one of claims 1 to 3, the plurality of double runners whose end portions are cut and adjusted according to the ceiling size are adjusted by screw members. A double runner mounting process in which the bottom runner level is adjusted to be horizontally aligned and fixed to the ceiling slab at an appropriate interval via a joint member, and the left and right groove portions of each fixed double runner are fixed. A horizontal edge mounting step in which both ends of the plurality of field edges are inserted and fitted in parallel by crossing horizontally at appropriate intervals, and a ceiling panel installation in which ceiling panels are fixed in sequence on the field edges. And a process.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, a preferred embodiment according to the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a partial cross-sectional view of a ceiling panel support structure according to an embodiment of the present invention.
The ceiling panel support structure according to the embodiment of the present invention is formed of a thin and light structure having a long upper plate 11 and sufficient rigidity, and is projected from the lower surface of the upper plate 11 as shown in FIG. In addition, on both the left and right sides, there are grooves 12a and 13a for horizontally fitting and parallelly installing one end of a plurality of field edges 20 that support the ceiling panel 30 at an appropriate interval in the longitudinal direction. A plurality of double runners 10 having a plurality of openings 11a through which screw members 15 for fixing to the ceiling slab 1 along the center of the direction pass, and a screw that is covered under the openings 11a of the double runners 10 The joint member 14 for attaching the double runner 10 having the opening 14a through which the member 15 passes and the ceiling slab 1 is sandwiched between the upper portion of the opening 14a of the joint member 14 and the ceiling slab 1. And a biasing member 17 that biases in both of the probe 1 and the joint member 14.
[0010]
The groove portions 12a and 13a are, for example, projecting along the longitudinal direction on the left and right sides of the lower surface of the upper plate 11 and the upper plate 11 with a thickness of about 0.6 mm, a width of over 170 mm, and a length of about 3 m. For example, it is surrounded by plate-like field edge support portions 12 and 13 having a thickness of about 0.6 mm and a height of about 21 mm, and each of the left and right surfaces is open.
The upper plate 11 and the field edge support portions 12 and 13 may be divided and mounted, but it is desirable to form them integrally in order to reduce the number of members and assembly work.
[0011]
The field edge 20 has a flat structure at least on its lower surface, and is composed of a thin and lightweight member having appropriate rigidity.
If possible, the field edge 20 is preferably a thin-walled square cross-section hollow member such as a square stud, which is a thin hollow material having a height of 20 mm, a width of 40 mm, and a thickness of about 0.5 mm, as shown in FIG. .
[0012]
Further, the screw member 15 is screwed to, for example, the inner diameter screw portion 2a of the ceiling insert (buried metal fitting) 2 embedded in the ceiling slab 1.
The openings 11 a and 14 a of the double runner 10 and the joint member 14 have a sufficient adjustment margin (for example, about ± 25 mm) in the horizontal plane with respect to the outer diameter of the screw member 15 in order to cope with the positional shift of the ceiling insert 2. It is configured in such a size.
Then, with the screw member 15 through the joint member 14 and the biasing member 17, the ceiling slab 1 is covered at an appropriate interval (for example, 2 m pitch between the centers) so as to cover the length of the field edge 20 (for example, about 2 m). Double runners 10 are arranged in parallel.
[0013]
As shown in FIG. 1, the joint member 14 is formed by bending a central portion having an opening 14 a into a concave shape.
Further, when further strength and rigidity are required, as shown in FIG. 4, the joint member 14 includes a support portion 12b and a support portion 12b projecting inwardly from the edge support portions 12 and 13, respectively, so as to face each other. It is desirable that the metal member has a cross-sectional shape having a large rigidity such as a substantially U-shaped cross-section disposed on 13b.
The support portions 12b and 13b can be temporarily placed and supported until the joint member 14 is fixed to the screw member 15 together with the double runner 10 to prevent the joint member 14 from falling.
In addition, the joint member 14 can also be integrated with the double runner 10 as needed.
[0014]
The lower surface of the ceiling slab 1 generally has an average of about 10 mm, rarely about 15 to 20 mm, and is not necessarily horizontal. Therefore, by adjusting the mounting length of the screw member 15, The double runner 10 is fixed by performing unevenness adjustment that aligns the lower surface level horizontally.
At this time, since the urging member 17 always urges the double runner 10 downward by the appropriate urging force via the joint member 14, one nut shape or the like can be used without using the conventional double nut 4. The double runner 10 is fixed to the one-touch only with the screw member 15 having the locking portion 15a, and the screw member 15 is prevented from loosening and the double runner 10 is prevented from shaking.
With such a configuration, labor saving of construction work is achieved.
[0015]
Next, a ceiling panel construction method for attaching a ceiling panel using the ceiling panel support structure according to the embodiment of the present invention will be described.
First, in the first step, a plurality of double runners 10 whose ends are adjusted to the ceiling size are adjusted to the ceiling slab 1 by means of screw members 15 via the joint members 14 and the biasing members 17 at appropriate intervals ( For example, this is a double runner mounting step in which the two runners 10 are arranged in parallel at a pitch of 2 m and are fixed by performing unevenness adjustment in which the lower surface levels of all the double runners 10 are horizontally aligned.
[0016]
Subsequently, in the second step, the left and right grooves 12a and 13a of each double runner 10 are horizontally crossed at an appropriate interval (for example, a pitch of slightly more than 300 mm) and bridged to form a plurality of parallel fields. This is a field edge attaching process in which both ends of the edge 20 are inserted and fitted.
[0017]
Finally, the third step is a ceiling panel mounting step in which the ceiling panel 30 is fixed to the field edge 20 in sequence.
[0018]
【The invention's effect】
As described above, the ceiling panel support structure according to the present invention described in detail exhibits an excellent effect that is not found in the past when a ceiling base made of a lightweight steel material is assembled.
(1) In a state in which, for example, a field edge with a height of 20 mm is fitted in the left and right groove portions in a double runner having a low overhead height (for example, a little over 20 mm), and the upper surface of the double runner is disposed, for example, less than 10 mm below the ceiling slab, Since it is fixed by the screw member, the ceiling space can be reduced from about 100 to 120 mm to about 40 mm, for example. Thus, the ceiling height can be increased accordingly.
(2) The length of the field edge is, for example, 2 m, but it is possible to join the field edge easily, and the field edge is located in the left and right grooves in the double runner that has been adjusted in level first. No level adjustment is required just by inserting both ends.
(3) Since the opening of the double runner has a sufficient adjustment margin (for example, about ± 25 mm) in the horizontal plane with respect to the outer diameter of the screw member 15 even with respect to the displacement of the ceiling insert, the double runner can be easily They can be arranged at the predetermined pitch, and can be fixed in one touch with a screw member via the urging member 17.
(4) With the above-described configurations (2) and (3), the number of installation work for the ceiling panel is greatly reduced, the construction time is shortened, and the cost is advantageous.
[Brief description of the drawings]
FIG. 1 is a partial cross-sectional view of a ceiling panel support structure according to an embodiment of the present invention.
2 is a plan view taken along line AA in FIG.
FIG. 3 is a cross-sectional view of a thin-walled metal member.
FIG. 4 is a partial cross-sectional view of a ceiling panel support structure according to another embodiment of the present invention.
FIG. 5 is a partial cross-sectional view of a conventional ceiling panel support structure.
[Explanation of symbols]
1 Ceiling slab 1a Slab bottom 2 Ceiling insert (buried hardware)
2a Inner diameter thread part 3 Suspension bolt 4 Nut 5 Hanger 6 Field edge receptacle 7, 20 Field edge 10 Double runner 11 Upper plate 11a, 14a Opening part 12, 13 Field edge support part 12a, 13a Groove part 12a, 13b Support part 14 Joint member 15 Screw member 15a Locking portion 16 Washer 17 Biasing member 30 Ceiling panel

Claims (4)

A long and thin upper plate having an appropriate rigidity and having a thin and light structure, projecting on the lower surface of the upper plate and having one end of a plurality of field edges supporting the ceiling panel at appropriate intervals in the longitudinal direction on both the left and right sides. A plurality of double runners having grooves for horizontally fitting in parallel and having a plurality of openings through which screw members for fixing to the ceiling slab pass along the longitudinal center of the upper plate When,
A joint member for covering the lower part of the opening of the double runner and having an opening through which the screw member passes;
An urging member sandwiched between the ceiling slab at the top of the opening of the joint member and urging in both directions;
The double runners are arranged in parallel to the ceiling slab at an appropriate interval via a joint member by the screw member, and are fixed by performing unevenness adjustment that aligns the lower surface level of the double runner horizontally. Ceiling panel support structure. The ceiling panel support structure according to claim 1, wherein the field edge is a thin and lightweight member having a flat structure at least on a lower surface and having an appropriate rigidity. The ceiling panel support structure according to claim 1, wherein the field edge is a thin-walled square cross-section hollow member. In the ceiling panel construction method for attaching a ceiling panel using the ceiling panel support structure according to claim 1,
The plurality of double runners whose ends are cut and adjusted to the ceiling size are arranged in parallel to the ceiling slab at appropriate intervals via the joint members using screw members, and the bottom surface level is adjusted horizontally to adjust the level. A double runner mounting process to be installed;
A field edge mounting step in which both ends of the plurality of field edges are inserted and fitted in parallel by horizontally crossing and bridging at appropriate intervals to the left and right groove parts of each fixed double runner,
And a ceiling panel mounting step in which the ceiling panel is fixed to the entire edge in sequence.

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