JP2966744B2 - Sound absorbing panel body and sound absorbing mounting structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sound absorbing panel body provided on a ceiling or a wall in a building, and a sound absorbing mounting structure.

[0002]

2. Description of the Related Art In general, in a room such as a building, a hall, or a hall, a sound generated in a room is reflected on a ceiling or a side wall surface and reverberates, and this causes noise, which impairs a sound effect. Occurs. For this reason, conventionally, measures such as disposing a sound absorbing wall on a ceiling or a side wall surface of a room or the like have been taken. For example, Japanese Patent Application Laid-Open No. 5-222278 is known as a sound absorbing wall device using a metal panel. As shown in FIG. 5, in this sound absorbing wall device, a large number of small holes 52 are provided in a flat plate portion 51 of a metal panel, and a sound absorbing material is attached to the back surface of the flat plate portion 51. The sound is transmitted to the sound absorbing material behind, where it is absorbed.

[0003]

By the way, the above-mentioned metal panel has a flat plate portion 51 due to convection of air in the room.
It easily adheres to the holes 52 and becomes dirty, and the holes 52 enter the visual sense, thereby hindering the aesthetic appearance. Therefore, it is desired to construct a wall or ceiling having a sound absorbing effect and a clean design. Was.

The present invention has been made in view of the above problems, and has as its object to provide a sound-absorbing panel body and a sound-absorbing mounting structure which have a sound absorbing effect and do not impair the design of the indoor wall surface or ceiling surface. I do.

[0005]

In order to solve the above technical problems, a sound absorbing panel body according to the present invention is shown in FIG.
As shown in FIG. 1, a substrate 2 forming a ceiling surface or a wall surface, a side plate portion 3 which rises from an end of the substrate 2 in a rearward direction and forms an acute angle with respect to the substrate, and faces the substrate of the side plate portion 3 And a mounting flange 6 bent in a direction away from the tip of the side plate 3, and a plurality of ventilation holes 4 are provided in the side plate 3. is there.

As shown in FIG. 1, a sound-absorbing mounting structure according to the present invention comprises a substrate 2 forming a ceiling surface or a wall surface, which is directed backward from an end of the substrate 2 and forms an acute angle with respect to the substrate. A side plate portion 3 that stands up, a sound absorbing material 5 provided on a surface of the side plate portion 3 facing the substrate 2, and a mounting flange 6 that is bent in a direction away from the tip of the side plate portion 3, A sound absorbing panel body having a plurality of ventilation holes 4 formed in the side plate part 3 is attached to an edge material stretched from a ceiling or a wall, and a joint space part 8 is formed by the side plate part 3 of the adjacent sound absorbing panel body.
Is provided and attached.

As shown in FIG. 1, the sound absorbing mounting structure according to the present invention comprises a substrate 2 forming a ceiling surface or a wall surface, and a side plate portion 3 rising from the end of the substrate 2 to the back.
A sound absorbing panel body having a plurality of ventilation holes 4 in the side plate part 3 having a mounting flange 6 bent in a direction away from the tip of the side plate part 3 and extending from a ceiling or a wall body. A joint space portion 8 is provided by the side plate portion 3 of the adjacent sound absorbing panel body, and a joint material 7 having a cross section protruding outward and bent is provided in the joint space portion 8. It is.

[0008]

[0009]

[0010]

According to the sound absorbing panel body of the above-described means, the ventilation hole 4 provided in the side plate portion 3 is shielded from the visual sense, and the sound is sucked through the ventilation hole 4 to absorb the sound. Further, according to the above-described sound absorbing mounting structure, the joint material 7, which is formed by projecting outward and bent, reflects the sound entering the joint space 8 in the direction of the side plate portion 3 and absorbs the sound with the side plate portion 3.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a sound absorbing panel body and a sound absorbing mounting structure according to the present invention will be described below in detail with reference to the drawings.

FIG. 1 shows a cross section of the sound absorbing mounting structure according to the above embodiment. In this sound absorbing mounting structure, a sound absorbing panel body 1 formed by bending a panel into a hat-shaped cross section is laid on the entire wall surface at predetermined intervals. The sound absorbing panel body 1 is made of a metal material such as aluminum or stainless steel plate.

As shown in FIG. 2, the sound-absorbing panel body 1 has a flat rectangular shape in plan view, and a flat plate portion 2 forming a wall surface.
(Corresponding to a substrate), a side plate portion 3 rising from the end of the flat plate portion 2, and a mounting flange 6 bent outward from the rising plate portion 3. The side plate 3 is provided with a large number of holes 4 (corresponding to vent holes) by punching. Since the hole 4 is a sound hole for sucking sound, a similar effect can be obtained by providing a long hole or a slit-shaped air hole.

Further, the side plate portion 3 is formed to be bent at an acute angle (α degree) from the flat plate portion 2, and a sound absorbing material 5 is attached to the back side of the side plate portion 3. As the sound absorbing material 5, a material having a sound absorbing property such as glass wool or felt is used.

The sound absorbing panel body 1 is disposed at a predetermined interval on an indoor wall or a ceiling, and is adjacent to the sound absorbing panel body 1.
A joint space 8 formed by the side plate portions 3 is formed between them. A semicircular joint plate 7 whose cross section protrudes downward is provided along the joint direction on the bottom surface portion at the back of the joint space 8.

The joint plate 7 is a long material having a semicircular cross section, and a locking projection 32 is provided in the longitudinal direction inside the vicinity of both ends of the semicircular shape. The joint plate 7 reflects the sound (S) that has entered the joint space 8 in the direction of the side plate 3 on the joint plate surface 21 and absorbs the sound at the side plate 3. As described above, since the joint plate 7 reflects sound in the direction of the side plate portion 3, the cross-sectional shape of the joint plate 7 is not limited to a semicircular shape, and may be a triangular shape or an inclined plate shape. Good.

FIG. 3 shows the sound absorbing panel 1 and the joint plate 7.
Is an exploded view of the laying. On the ceiling in the room,
A square pipe 12 is provided at a position along the joint space 8 between the sound absorbing panel bodies 1 laid on the entire ceiling.

The square pipe 12 is suspended by a support bolt 14 attached above the ceiling and a suspender 13 attached to the support bolt 14. The hanging member 13 includes an upper plate 24 for fixing the support bolt 14 with a nut 15, a hanging piece 25 hanging from the upper plate 24, a lower plate 26 bent from the lower end thereof, and a side bent from both sides of the lower plate 26. The side piece 27 has a screw hole 16
Is provided. Then, the square pipe 12 is connected to the side piece 2.
7 and fixed with a tapping screw 30.

The sound-absorbing panel 1 is attached to the square pipe 12 suspended on the ceiling in this manner by using the fixture 11. The fixture 11 has a base plate 28 supported by the square pipe 12 and a protruding plate 29 which falls from both ends and bends outward. The sound absorbing panel body 1 and the joint plate 7 are mounted on the protruding plate 29.

When the joint plate 7 is attached, an attachment plate 22 is used. The mounting plate 22 is a long plate, and a groove 20 is provided at both ends of the mounting plate 22 along the longitudinal direction, and a screw hole 19 is provided in the groove 20. In addition, it has a hanging plate 33 hanging down from both ends of the mounting plate 22, and a locking groove 31 bent outward is provided at a lower end of the hanging plate 33.

When mounting the sound absorbing panel body 1, the projecting plate 29 of the mounting fixture 11 and the mounting flange 6 of the sound absorbing panel body 1 are aligned, and the screw 2 is mounted from below the mounting flange 6.
Fix using 3. When the sound absorbing panel body 1 is attached to the entire ceiling in this way, a joint space 8 is formed between adjacent sound absorbing panel bodies 1 as shown in FIG.

A joint plate 7 is mounted in the joint space 8. When the joint plate 7 is attached, the attachment plate 22 is attached to the lower surface of the attachment flange 6 of the sound absorbing panel body 1 previously fixed by using the screw 23. Then, the joint protrusion 7 of the joint plate 7 is engaged with the engaging groove 31 of the mounting plate 22, and the joint plate 7 is attached. In this way, the sound absorbing panel body 1 and the joint plate 7 are laid on the ceiling as shown in FIG.

Accordingly, the design of the flat plate portion 2 of the metal sound absorbing panel body 1 is utilized, the holes 4 are provided in the side plate portion 3 of the metal panel, and the sound absorbing material 5 is provided on the back surface of the side plate portion 3. Accordingly, the hole 4 provided in the side plate portion 3 was hidden from view, and a sound absorbing mounting structure having a unique and clean design characteristic of a metal panel having a smooth surface could be constructed.

The joint space 8 between the adjacent sound absorbing panel bodies 1 is formed such that the side plate 3 has an acute angle (α) with respect to the flat plate 2.
Therefore, the hole 4 provided in the side plate portion 3 is sufficiently hidden from view, and the appearance of the ceiling surface can be maintained well. In addition, since the joint space 8 has a narrower entrance portion than the inside of the joint, the sound that has entered the joint space 8 is more likely to be confined in the joint space 8 and the sound absorption coefficient can be increased. it can.

On the other hand, since a semicircular joint plate 7 which is bent outward is provided on the bottom surface of the joint space 8, sound is reflected on the joint plate surface 21 in the direction of the side plate 3, and the sound is reflected by the side plate 3. Sound absorption was possible, and the sound absorbing effect was further enhanced.

Since the flat plate portion 2 is not provided with a hole or the like, a smooth surface is formed, thereby preventing dust and the like from adhering.
Even if dust or the like adheres, it can be easily cleaned, so that it is excellent in maintainability.

[0027]

As described above, according to the sound-absorbing panel body according to the present invention, the substrate 2 forming the ceiling surface or the wall surface,
A side plate portion 3 that rises at an acute angle from the end of the substrate 2 toward the back, and a sound absorbing material 5 provided on the side plate portion 3
And a mounting flange 6 bent in a direction away from the tip of the side plate portion 3 and a plurality of ventilation holes 4 are provided in the side plate portion 3. If the ceiling surface or the wall surface is formed, the ventilation hole 4 provided in the side plate portion 3 is sufficiently hidden from view, so that it has a neat design property and can effectively reduce the sound entering from the ventilation hole 4. It has the effect of absorbing sound.

According to the sound-absorbing mounting structure according to the present invention, the substrate 2 forming the ceiling surface or the wall surface, the side plate portion 3 rising from the end of the substrate 2 at an acute angle in the back direction, and the side plate portion 3 A sound-absorbing panel body having a sound-absorbing material 5 provided on the side plate portion 3 and a mounting flange 6 bent in a direction away from the tip of the side plate portion 3 and provided with a plurality of ventilation holes 4 in the side plate portion 3, Attached to the edge material stretched from the ceiling or the wall, and joined to the joint space 8 by the side plate 3 of the adjacent sound absorbing panel.
Since the ceiling surface or the wall surface is formed by the substrate 2 of the sound absorbing panel body, the ventilation hole 4 of the side plate portion 3 is sufficiently shielded from the visual sense, so that the ceiling surface or the wall surface is clear. In addition to the above design, there is an effect that a sound-absorbing mounting structure that can effectively absorb the sound that has entered through the ventilation hole 4 can be constructed.

According to the sound absorbing mounting structure of the present invention,
It has a substrate 2 that forms a ceiling surface or a wall surface, a side plate 3 that rises from the end of the substrate 2 toward the back, and a mounting flange 6 that is bent away from the tip of the side plate 3. Then, the sound absorbing panel body provided with the plurality of ventilation holes 4 in the side plate part 3 is attached to an edge material stretched from a ceiling or a wall body, and the joint space part 8 is provided by the side plate part 3 of the adjacent sound absorbing panel body. Since the joint space 8 is provided with the joint material 7 having a cross section that protrudes outward and is formed to be bent, the one side plate on which the ceiling surface or the wall surface is formed by the substrate 2 of the sound absorbing panel body. Since the ventilation holes 4 of 3 are shielded from the visual field, the ceiling surface or the wall surface has a clean design, and the sound that has entered the joint space 8 is reflected in the direction of the side plate portion 3 and is absorbed by the side plate portion 3. For high sound absorption effect There is an effect that concrete can be constructed.

[0030]

[0031]

[Brief description of the drawings]

FIG. 1 is a sectional view of a sound absorbing mounting structure according to an embodiment of the present invention.

FIGS. 2A and 2B are configuration diagrams of a sound absorbing panel body according to an example, where FIG. 2A is a plan view and FIG. 2B is a cross-sectional view along AA ′.

FIG. 3 is an exploded explanatory view of the sound absorbing mounting structure according to the embodiment.

FIG. 4 is a sectional view of the sound absorbing mounting structure according to the embodiment.

FIG. 5 is a diagram showing a sound absorbing wall device according to a conventional example.

[Explanation of symbols]

 2 Board (flat plate) 3 Side plate 5 Sound absorbing material 6 Mounting flange 7 Joint material 8 Joint space

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int.Cl. ⁶ , DB name) E04B 9/00 E04B 1/82 E04B 1/84 E04B 1/99 G10K 11/16 E04B 5/52

Claims (3)

(57) [Claims] A substrate forming a ceiling surface or a wall surface;And an acute angle to the substrate
DoingA side plate that stands up,Sound absorbing material provided on the surface of the side plate facing the substrate
When,  Bent away from the tip of this side plate
And a plurality of ventilation holes in the side plate.
A sound-absorbing panel body characterized by being radiated. (2)A substrate forming a ceiling surface or a wall surface, From the edge of this substrate to the back and at an acute angle to the substrate
And the side plate that stands up Sound absorbing material provided on the surface of the side plate facing the substrate
When, Bent away from the tip of this side plate
And a plurality of ventilation holes in the side plate.
The sound-absorbing panel body is stretched from the ceiling or wall.
Attached to the edge material, jointed at the side plate of the adjacent sound absorbing panel body
It is characterized by providing a space and mounting Sound absorbing mounting structure
Build. (3)A substrate forming a ceiling surface or a wall surface, Side plate that rises from the edge of this board to the back
When, Bent away from the tip of this side plate
And a plurality of ventilation holes in the side plate.
The sound-absorbing panel body is stretched from the ceiling or wall.
Attached to the edge material, jointed at the side plate of the adjacent sound absorbing panel body
A space is provided, and the cross section of the joint space protrudes outward.
It is characterized by having a joint material bent and formed and installed
To be Sound absorbing mounting structure.