JP2865105B2 - Interior ceiling panel mounting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an interior ceiling panel in which a field edge serving as a support member for an interior ceiling panel is suspended via a field edge support or the like with a hanging tool hanging from a ceiling slab. It relates to a mounting device.

[Conventional technology]

In general, there is known a structure in which a mounting device for an interior ceiling plate is configured such that a hanger is mounted on a hanging tool hanging from a ceiling slab, a field support is mounted on the hanger, and a field support is attached to the field support via a clip. I have. An interior ceiling panel will be attached to the field edge.

[Problem to be solved]

In the conventional interior ceiling panel mounting device, living vibrations and equipment vibrations generated on the floor are transmitted to the slab, and the members mounted via the hanging tools hanging down from the ceiling slab are vibrated and radiated as sound. Was. As a countermeasure for this, a type in which a compression-type anti-vibration rubber is attached between the ceiling slab and a member constituting the mounting device, and elastically supported by the compression deformation of the anti-vibration rubber, so as to be able to cushion, was developed. Since it is necessary to use a soft rubber and increase the size to increase the buffer effect, it was not practical as a measure. In addition, vibrations that cannot be completely prevented by the vibration isolating rubber propagate to the field margin and the field margin, and solid-borne noise is generated.

Accordingly, it is an object of the present invention to provide an interior ceiling panel mounting device capable of effectively preventing solid propagation noise generated via a hanging tool hanging from a ceiling slab of a building.

[Means for solving the problem]

In order to achieve the above-mentioned object, in an interior ceiling panel mounting apparatus in which a field edge serving as a support member of an interior ceiling panel is suspended via a field edge support or the like with a hanging tool hanging from a ceiling slab, At least one of the constituent members is formed of a damping steel plate.

[Action]

In the present invention, living vibrations and facility vibrations generated on the floor are damped at the locations of the members formed of the damping steel plates, thereby suppressing the generation of solid-borne noise.

〔Example〕

Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.

In the first embodiment shown in FIG. 1, a hanger 2 is attached to a hanger 1 hanging from a ceiling slab (not shown), and a field support 3 is attached to the hanger 2. The ridge 5 is attached to the ridge 3 via a clip 4. An interior ceiling plate (not shown in FIG. 1) is attached to these ridges 5. In this embodiment, the edge support 3 and the edge 5 are formed of a damping steel plate. As the damping steel sheets constituting the ridge 3 and the ridge 5, plastics such as polypropylene and nylon, butyl rubber, and vinyl acetate, vinyl chloride or olefin plastics are interposed between the steel plate and the steel plate. Those sandwiched between them are suitable for use. Vibration energy that propagates to such a damping steel sheet is converted into thermal energy by shear deformation of a thermoplastic resin or the like sandwiched therebetween. The thickness of one damping steel sheet with thermoplastic resin sandwiched between steel sheets is 0.1
It is desirable that the thickness of the resin or the like is about 0.02 to 0.4 mm. The thickness of the steel plate sandwiching the resin or the like need not be the same on both sides. FIG. 2 shows details of the hanger 2 and the clip 4 in the first embodiment shown in FIG. FIG. 3 is a perspective view showing details of the clip 4.

The second embodiment shown in FIG. 4 shows an example in which two suspenders 1 are used, and a shear-type vibration-proof rubber 7 is attached between the suspenders 1 and 1 via a bracket 6. In the second embodiment, both or one of the edge support 3 and the edge 5 is formed of a damping steel plate. The combination of the member using the damping steel plate and the shear-type anti-vibration rubber 7 can further reduce the propagation of vibration from the ceiling slab.
FIG. 5 shows a structure in which the upper hanging tool 1 in the second embodiment is made of a woody material instead of a bolt. FIG. 6 shows an example in which a shear-type anti-vibration rubber 7 is provided between the hanger 1 and the hanger 2. FIG. 7 shows an example similar to FIG. 6, but the shape of the hanger 2 used here is different.

In the third embodiment shown in FIG. 8, a vibration damping material sandwich panel is used as the interior ceiling material 8 to be stuck to the ridge 5 to improve vibration and sound insulation performance. It is desirable that the interior ceiling panel 8 composed of a vibration-damping material sandwich panel used here has a size of about 3 ′ × 3 ′ or 3 ′ × 6 ′. It is desirable to use a viscoelastic sheet or the like as the damping material, and it is desirable to use a gypsum board, a particle board, a plywood, or a steel plate as a material of the sandwich plate. A damping steel plate may be used as the interior ceiling material 8.
In the third embodiment, one or both of the ridge 3 and the ridge 5 are formed of a damping steel plate. Also in this third embodiment, a shear-type anti-vibration rubber 7 as shown in FIGS.
May be provided.

In the embodiment described above, the ridge 3 and / or the ridge 5
Although the damping steel plate is used for the hanger 2 and the clip 4, it is also possible to use the damping steel plate. Can be suppressed.

The graph shown in FIG. 9 shows a case where a ceiling plate made of a gypsum board having a thickness of 9 mm was mounted on the mounting device having the structure shown in FIG. 1, and the reference symbol I used a damping steel plate for any member of the mounting device. Although not shown, the measurement results of floor impact sound insulation performance are shown,
Reference numeral II indicates the measurement result of the floor impact sound insulation performance when the ridge 3 and the ridge 5 are formed of a damping steel plate. The graphs shown in FIG. 9 and FIG. 10 and FIG.
It is an experimental result of a floor impact sound level measured based on JIS A 1418. The graph of FIG. 9 shows the results using the heavy floor impact source, and the graph of FIG. 10 shows the results using the lightweight floor impact source. Reference numerals I and II in FIG. 10 both denote the same as those in FIG. In FIG. 11, reference numeral III denotes a device in which a louver-shaped interior ceiling plate is mounted on the mounting device having the structure shown in FIG. 4, and the field edge receiver 3 and the field edge 5 are formed of damping steel plates. , Symbol IV indicates the same configuration and does not use damping steel plates for the ridge 3 and the ridge 5, and shows the experimental results using a heavy floor impact source. Sound insulation grade L-65 (JI
S-class No. 6) is anxious about footsteps and running sounds, L-60 (No. 5) is slightly anxious, L-55 (4
No.) is a little disturbing, L-50 (No. 3) is almost unnoticeable, and L-45 (No. 2) is audible but not disturbing.

〔effect〕

As described above, according to the present invention, since at least one member constituting the interior ceiling panel mounting device is formed of the damping steel plate, vibration can be reduced and generation of solid-borne noise can be suppressed. Also, squeak noise generated between the members can be reduced.

[Brief description of the drawings]

1 is a perspective view showing a first embodiment, FIG. 2 is a partially enlarged perspective view of the first embodiment, FIG. 3 is a perspective view showing a clip,
FIG. 4 is a perspective view showing a second embodiment, FIGS. 5 to 7 are perspective views showing a modification of the second embodiment, FIG. 8 is a perspective view showing a third embodiment, and FIGS. FIG. 11 is a graph showing a comparison of floor impact sound level characteristics between the embodiment of the present invention and the conventional example. 1 ... hanging equipment, 2 ... hanger, 3 ... field support, 4 ... clip, 5 ... field support.

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) E04B 9/18

Claims (1)

(57) [Claims] An interior ceiling panel mounting apparatus in which a field edge serving as a support member of an interior ceiling panel is suspended by a hanging tool hanging from a ceiling slab via a field edge receiver or the like. An interior ceiling panel mounting device, wherein one member is formed of a damping steel plate.