JPH0337287Y2 - - Google Patents
Info
- Publication number
- JPH0337287Y2 JPH0337287Y2 JP1985201985U JP20198585U JPH0337287Y2 JP H0337287 Y2 JPH0337287 Y2 JP H0337287Y2 JP 1985201985 U JP1985201985 U JP 1985201985U JP 20198585 U JP20198585 U JP 20198585U JP H0337287 Y2 JPH0337287 Y2 JP H0337287Y2
- Authority
- JP
- Japan
- Prior art keywords
- density
- main wall
- side walls
- sound
- sound absorbing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000010521 absorption reaction Methods 0.000 description 9
- 238000005452 bending Methods 0.000 description 4
- 239000011491 glass wool Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、建築物の壁面や天井面に取付けて音
を吸収するために用いる吸音パネル、詳しくは、
長尺状で、且つ、その横断面形状が主壁と両側壁
とからなるチヤンネル状で、前記主壁の厚さと両
側壁の厚さとがほぼ同一の吸音パネルに関する。[Detailed description of the invention] [Field of industrial application] This invention is a sound absorbing panel used to absorb sound by attaching it to the wall or ceiling of a building.
The present invention relates to a sound absorbing panel that is elongated, has a channel-like cross-sectional shape consisting of a main wall and both side walls, and has substantially the same thickness of the main wall and both side walls.
この種の吸音パネルは、吸音性と剛性について
相反の関係にある。つまり、吸音性を高めるため
に密度を低くしようとすると剛性が犠牲になり、
逆に剛性を上げるために密度を高くすると吸音性
が犠牲になつてしまう。そのため、従来ではこの
２つの要求をほどほどに満足させる程度、具体的
には６mm厚で120Kg／m3の密度が妥当な線とされ
ていた。
This type of sound-absorbing panel has a contradictory relationship between sound-absorbing properties and rigidity. In other words, if you try to lower the density to increase sound absorption, you will sacrifice stiffness.
Conversely, if the density is increased in order to increase the rigidity, the sound absorption properties will be sacrificed. Therefore, in the past, a density of 120 Kg/m 3 at a thickness of 6 mm was considered to be an appropriate level to moderately satisfy these two requirements.
しかし乍ら、前述のような密度では、吸音性に
ついてはほぼ満足できるものの、強度が不充分で
折れ易く、施工がしにくかつた。特に、吸音パネ
ルは長尺状であるために運搬時に物に衝突した
り、或いは運搬姿勢や取扱いが悪いときには折れ
曲がることが多かつた。
However, with the above-mentioned density, although the sound absorption properties were almost satisfactory, the strength was insufficient and it was easy to break, making it difficult to install. In particular, since sound-absorbing panels are long, they often collide with objects during transportation, or bend when transported or handled improperly.
本考案は、かかる実情に鑑み、簡単な工夫を以
て吸音性を損なうことなく吸音パネルの剛性を向
上させて運搬や施工の面での不便を解消すること
に目的を有する。 In view of the above circumstances, the present invention aims to solve the inconvenience in terms of transportation and construction by improving the rigidity of sound-absorbing panels without impairing their sound-absorbing properties through simple means.
上記目的を達成するために講じた本考案の特徴
とする構成は、両側壁と、それに続く主壁の一部
とから成る折曲部に長さ方向全長にわたる高密度
部分を設けると共に、前記主壁の残部に長さ方向
全長にわたる低密度部分を設けてある点にあり、
その作用・効果は次の通りである。
The characteristic structure of the present invention taken to achieve the above object is to provide a high-density portion over the entire length in the bent portion consisting of both side walls and a part of the main wall following the side walls, and The remaining part of the wall has a low-density area that extends along its entire length.
Its actions and effects are as follows.
つまり、両側壁と、それに続く主壁の一部とか
ら成る折曲部、すなわち、パネルの剛性を向上さ
せる上で最も効果的な部分に長さ方向全長にわた
る高密度部分を設けてあるから、例えば側壁のみ
を高密度にした場合に比べて断面二次モーメント
が大きくなつて、パネルの剛性を大巾に向上する
ことができ、特に、主壁と側壁に対して、折曲げ
力が、その長手方向に働いた場合やパネルの長手
方向視で折曲部周りに働いた場合のいずれの場合
においても充分剛性を確保できて強度の面で大変
有利なものにすることができた。
In other words, a high-density portion spanning the entire length is provided at the bent portion consisting of both side walls and a portion of the main wall following it, that is, the most effective portion for improving the rigidity of the panel. For example, compared to the case where only the side walls are made high-density, the moment of inertia becomes larger and the rigidity of the panel can be greatly improved. Sufficient rigidity can be ensured both when the panel is applied in the longitudinal direction and when it is applied around the bent portion when viewed in the longitudinal direction of the panel, making it extremely advantageous in terms of strength.
そして、吸音パネルは、長尺のチヤンネル状に
なつていて、その折曲部を上記のように構成して
あるから、長手方向に切断しても剛性が低下する
ことがなく、又切断時に角から繊維ほづれを生じ
がたく、その結果、予め長めのパネルを製作して
おいて現場で所定の長さに切断して使用するとい
つたこともでき、施工性、作業性を向上すること
もできた。 The sound absorbing panel is shaped like a long channel, and its bent portion is structured as described above, so that the rigidity does not decrease even when cut in the longitudinal direction. As a result, long panels can be made in advance and cut to a predetermined length on site for use, improving construction and workability. did it.
それでいて、主として吸音部分として作用する
主壁の残部には、低密度部分を設けるものである
から、十分なる吸音性が確保できる。 However, since the remaining part of the main wall, which mainly functions as a sound absorbing part, is provided with a low density part, sufficient sound absorbing properties can be ensured.
従つて、吸音性を損なうことなく、剛性を十分
向上させ得るに至つた結果、運搬や施工の面での
不便を解消することができる吸音パネルを提供で
きるに至つた。
Therefore, it has been possible to sufficiently improve the rigidity without impairing sound absorption properties, and as a result, it has become possible to provide a sound absorption panel that can eliminate inconveniences in terms of transportation and construction.
以下、本考案の実施例を図面に基づいて説明す
る。
Hereinafter, embodiments of the present invention will be described based on the drawings.
第１図及び第２図に示すように長尺状の吸音パ
ネル１は、両側縁を折り曲げ成形して両側壁２，
３と主壁４とで断面チヤンネル状の凹陥部５を形
成したもので、例えば主壁４の幅ａが500mm、両
側壁２，３の幅ｂが43〜45mm、両側壁２，３の厚
さｔと主壁４の厚さt′とがともに６mm程度の大き
さである。なお、主壁４の厚さt′と両側壁２，３
の厚さｔとを同一にしてあるのは、一枚のパネル
を、折曲げ加工によつても形成されやすいものに
するためである。そして、凹陥部５には約24Kg／
m3の低密度グラスウール６が充填され、且つ、吸
音パネル１の内壁部分に接着されている。前記吸
音パネル１はグラスウールからなり、主壁４の大
部分は長さ方向全長にわたつて密度40〜130Kg／
m3、好ましくは90〜120Kg／m3程度の低密度にな
るように、両側壁２，３と、それに続く主壁４の
一部とから成る。折曲部４ａは長さ方向全長にわ
たつて140〜240Kg／m3、好ましくは180〜200Kg／
m3程度の高密密度なるように圧縮成形されてい
る。つまり、主壁４の大部分が低密度部分Ａとさ
れ、折曲部４ａを含んで両側壁２，３が高密度部
分Ｂとされているのである。この場合、主壁４の
端部から高密度部分Ｂの端部までの距離ｃをあま
り長くすると吸音性が損なわれるが、実験の結
果、2c／ａを0.1〜0.4の範囲内にすれば、ほぼ満
足できる吸音性の得られることが判明している。 As shown in FIGS. 1 and 2, a long sound-absorbing panel 1 is formed by bending both side edges to form side walls 2,
3 and the main wall 4 form a recessed part 5 with a channel-like cross section. For example, the width a of the main wall 4 is 500 mm, the width b of both side walls 2 and 3 is 43 to 45 mm, and the thickness of both side walls 2 and 3. Both the thickness t and the thickness t' of the main wall 4 are approximately 6 mm. In addition, the thickness t' of the main wall 4 and both side walls 2 and 3
The reason why the thickness t and the thickness t of the two panels are made the same is that one panel can be easily formed by bending. Approximately 24 kg/kg is placed in the concave portion 5.
m 3 of low-density glass wool 6 is filled and adhered to the inner wall portion of the sound absorbing panel 1. The sound absorbing panel 1 is made of glass wool, and most of the main wall 4 has a density of 40 to 130 kg/g over the entire length.
It consists of both side walls 2 and 3 and a part of the main wall 4 following them so as to have a low density of about m 3 , preferably about 90 to 120 Kg/m 3 . The bending portion 4a has a weight of 140 to 240 kg/m 3 over the entire length, preferably 180 to 200 kg/m 3 .
It is compression molded to a high density of about 3 m3. In other words, most of the main wall 4 is a low-density portion A, and both side walls 2 and 3 including the bent portion 4a are a high-density portion B. In this case, if the distance c from the end of the main wall 4 to the end of the high-density portion B becomes too long, sound absorption will be impaired; however, as a result of experiments, if 2c/a is set within the range of 0.1 to 0.4, It has been found that almost satisfactory sound absorption properties can be obtained.
第３図〜第５図は、吸音パネル１を壁面７に取
付けたところを示すもので、第５図で示すよう
に、鉄板やバネ板を折曲して形成された取付け金
具８が使用されている。この取付け金具８は、そ
の繋ぎ片９にねじ込みボルト１０が固着されてい
て、このボルト１０を壁面７にねじ込むことによ
り、壁面７に固着できるように構成されている。
そして、このような取付け金具８が、第３図で示
すように、壁面７に複数個固着され、この金具８
の対向片１１、１１間に各吸音パネル１の側壁
２，３を挿入することにより、これら側壁２，３
が対向片１１，１１によつて弾性的に挟持され、
各吸音パネル１が壁面７に取付けられるように構
成されているのである。 Figures 3 to 5 show the sound absorbing panel 1 attached to the wall surface 7. As shown in Figure 5, a mounting bracket 8 formed by bending a steel plate or a spring plate is used. ing. This mounting fitting 8 has a threaded bolt 10 fixed to its connecting piece 9, and is configured to be fixed to the wall surface 7 by screwing the bolt 10 into the wall surface 7.
A plurality of such mounting fittings 8 are fixed to the wall surface 7 as shown in FIG.
By inserting the side walls 2, 3 of each sound absorbing panel 1 between the opposing pieces 11, 11, these side walls 2, 3
is elastically held between the facing pieces 11, 11,
Each sound absorbing panel 1 is configured to be attached to a wall surface 7.
以上のように、吸音パネル１の折曲部４ａと両
側壁２，３とが高密度部分Ｂとされているので、
パネル１全体としては剛性が増すにもかかわら
ず、主壁４に低密度部分Ａを設けることにより、
充分な吸音性も得られるのである。更に、前述し
た取付け金具８を用いて取付ける場合、両側壁
２，３を高密度にすることによつて取付け金具８
の対向片１１，１１間への挿入を容易にし、且
つ、対向片１１，１１による挟持をより一層確実
にすることができる。 As mentioned above, since the bent portion 4a and both side walls 2 and 3 of the sound absorbing panel 1 are considered as the high-density portion B,
Although the rigidity of the panel 1 as a whole increases, by providing the low-density portion A on the main wall 4,
It also provides sufficient sound absorption. Furthermore, when mounting using the above-mentioned mounting bracket 8, by making both side walls 2 and 3 dense, the mounting bracket 8 can be used.
can be easily inserted between the facing pieces 11, 11, and can be held even more reliably by the facing pieces 11, 11.
なお、高密度部分Ｂをどのような状態で設ける
かについては特に制限がなく、例えば、第６図で
示すように、高密度部分Ｂと低密度部分Ａとの境
に密度勾配をつけて、徐々に或いは段階的に密度
を変えてもよい。このようにすることによつて、
高密度部分Ｂと低密度部分Ａとの境での折れを防
止することができる。また、第７図で示すよう
に、主壁４の一部に高密度部分Ｂを追加して実施
することもできる。ただし、第７図の実施例にお
いては、主壁４の幅ａを500mmとした場合、主壁
４の一部に設ける高密度部分Ａの幅は200mm以下
であることが好ましく、この範囲内であれば吸音
性もほぼ充分であることが判明している。また、
主壁４の厚さt′と両側壁２，３の厚さｔとは必ず
しも同一である必要ないが、t′／ｔが0.9〜1.1の
範囲内であるのが好ましい。 Note that there are no particular restrictions on the state in which the high-density portion B is provided; for example, as shown in FIG. The density may be changed gradually or stepwise. By doing this,
It is possible to prevent folding at the boundary between the high-density portion B and the low-density portion A. Furthermore, as shown in FIG. 7, a high-density portion B may be added to a part of the main wall 4. However, in the embodiment shown in FIG. 7, when the width a of the main wall 4 is 500 mm, the width of the high-density portion A provided in a part of the main wall 4 is preferably 200 mm or less, and within this range. It has been found that the sound absorption properties are almost sufficient. Also,
Although the thickness t' of the main wall 4 and the thickness t of the side walls 2 and 3 do not necessarily have to be the same, it is preferable that t'/t is within the range of 0.9 to 1.1.
以上の実施例においては、グラスウール製の吸
音パネル１を例にとつて説明したが、グラスウー
ル製以外の吸音パネルにも適用可能である。 In the above embodiment, the sound absorbing panel 1 made of glass wool was explained as an example, but it is also applicable to sound absorbing panels other than glass wool.
図面は本考案に係る吸音パネルの実施例を示
し、第１図は全体斜視図、第２図は平面図、第３
図は壁面への取付け状態を示す正面図、第４図は
壁面への取付け状態を示す平面図、第５図は第４
図の要部の拡大図である。第６図及び第７図は別
実施例を示す平面図である。
１……吸音パネル、２，３……側壁、４……主
壁、４ａ……折曲部、Ａ……低密度部分、Ｂ……
高密度部分、ｔ……側壁の厚さ、t′……主壁の厚
さ。
The drawings show an embodiment of the sound absorbing panel according to the present invention, in which Fig. 1 is an overall perspective view, Fig. 2 is a plan view, and Fig. 3 is a plan view.
The figure is a front view showing how it is attached to a wall, Figure 4 is a plan view showing how it is attached to a wall, and Figure 5 is a front view showing how it is attached to a wall.
It is an enlarged view of the main part of the figure. FIGS. 6 and 7 are plan views showing another embodiment. 1... Sound absorbing panel, 2, 3... Side wall, 4... Main wall, 4a... Bent part, A... Low density part, B...
High density portion, t... Thickness of side wall, t'... Thickness of main wall.
Claims (1)
両側壁２，３とからなるチヤンネル状で、前記
主壁４の厚さt′と両側壁２，３の厚さｔとがほ
ぼ同一の吸音パネルであつて、前記両側壁２，
３と、それに続く前記主壁４の一部とから成る
折曲部４ａに長さ方向全長にわたる高密度部分
Ｂを設けると共に、前記主壁４の残部に長さ方
向全長にわたる低密度部分Ａを設けてある吸音
パネル。 ２ 前記高密度部分Ｂと前記低密度部分Ａとの境
に密度勾配をつけてある実用新案登録請求の範
囲第１項記載の吸音パネル。[Claims for Utility Model Registration] 1. It is elongated and has a channel-like cross-sectional shape consisting of a main wall 4 and both side walls 2 and 3, and has a thickness t' of the main wall 4 and both side walls 2. , 3 have substantially the same thickness t, and the both side walls 2,
3 and a part of the main wall 4 following it, a high-density part B is provided over the entire length in the longitudinal direction, and a low-density part A is provided in the remaining part of the main wall 4 over the entire length in the longitudinal direction. Sound absorbing panels installed. 2. The sound absorbing panel according to claim 1, wherein a density gradient is provided at the boundary between the high-density portion B and the low-density portion A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985201985U JPH0337287Y2 (en) | 1985-12-24 | 1985-12-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985201985U JPH0337287Y2 (en) | 1985-12-24 | 1985-12-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62107014U JPS62107014U (en) | 1987-07-08 |
| JPH0337287Y2 true JPH0337287Y2 (en) | 1991-08-07 |
Family
ID=31165950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985201985U Expired JPH0337287Y2 (en) | 1985-12-24 | 1985-12-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0337287Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5343801A (en) * | 1976-10-01 | 1978-04-20 | Hitachi Ltd | Slot exit insulating method of rotor |
| JPS5749115B2 (en) * | 1977-06-22 | 1982-10-20 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS625318Y2 (en) * | 1980-03-31 | 1987-02-06 | ||
| JPS6316406Y2 (en) * | 1980-09-05 | 1988-05-11 |
-
1985
- 1985-12-24 JP JP1985201985U patent/JPH0337287Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5343801A (en) * | 1976-10-01 | 1978-04-20 | Hitachi Ltd | Slot exit insulating method of rotor |
| JPS5749115B2 (en) * | 1977-06-22 | 1982-10-20 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62107014U (en) | 1987-07-08 |
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