JP2019044805A - Bookshelf - Google Patents

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JP2019044805A
JP2019044805A JP2017165826A JP2017165826A JP2019044805A JP 2019044805 A JP2019044805 A JP 2019044805A JP 2017165826 A JP2017165826 A JP 2017165826A JP 2017165826 A JP2017165826 A JP 2017165826A JP 2019044805 A JP2019044805 A JP 2019044805A
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bookshelf
back plate
shelf
plate
frame
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JP6909104B2 (en
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深江 典之
Noriyuki Fukae
典之 深江
一雄 木原
Kazuo Kihara
一雄 木原
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KIHARA CORP
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Abstract

To provide a bookshelf having vibration control performance, which damage due to an earthquake can be suppressed although its structure is simpler than that of a base isolation device.SOLUTION: A bookshelf 10 comprises side plates 11, frames 12 connecting the side plates 11 to each other, and shelf plates 13, wherein on a back side of the shelf plate 13, a back plate 20 is provided. The back plate 20 is connected to the frame 12 through a damper 21, wherein the damper is composed of a spring material. Further, it is preferable that the back plate 20 is composed of a resin-based honeycomb core sandwich panel, and the damper 21 is composed of a vibration control rubber.SELECTED DRAWING: Figure 1

Description

本発明は、制振性を備えた書架に関する。   The present invention relates to a bookshelf provided with vibration damping properties.

図書館に設置されている書架は、一般家庭用の書架と比べるとサイズが大きく、収納されている書籍の数も多い。例えば、通常の図書館用書架は、一段あたり横幅900mm、奥行き210mm、高さ275mmの空間を5段から7段ほど配置して、それを連続的に繋げた構造となっている。そのような図書館用の書架が、地震によって倒壊すると、多数の書籍が落下したりして被害が大きくなり、また、復旧に時間がかかる。   The bookshelf installed in the library is larger in size than the bookshelf for general household use, and the number of stored books is also large. For example, a typical library shelf has a structure in which five to seven stages of spaces having a width of 900 mm, a depth of 210 mm, and a height of 275 mm are arranged in one row and connected continuously. When such library library racks collapse due to an earthquake, a large number of books fall and damage becomes serious, and recovery takes time.

そこで図書館では、書架を床にアンカーボルトで固定して地震対策をすることがある。しかし、その場合、床からの地震動が書架に直接伝達することになる。そうすると、収納されている書籍は固定されていないので、高い段から書籍が落下する可能性が高くなる。特に、地震動の方向が書架の奥行方向の場合には、棚板の背面側に設置してある背板から書籍に振動が伝わるため、より書籍の落下が多くなることになる。   Therefore, the library sometimes fixes the bookshelf on the floor with anchor bolts to take measures against earthquakes. However, in that case, the ground motion from the floor will be transmitted directly to the bookshelf. Then, since the stored books are not fixed, there is a high possibility that the books will fall from a high level. In particular, when the direction of the earthquake motion is the depth direction of the bookcase, the vibration is transmitted to the book from the back plate installed on the back side of the shelf board, and the book is more dropped.

他の地震対策として、書架に免震装置を設けることもある(例えば、特許文献1参照)。図5は、書架に設置できる免震装置の一例であり、(a)は平面図、(b)は正面図である。このような免震装置100では、載置台120とその上に載る書架の重量を、直交する2方向に復帰力を発生する十字型スライド130と、車輪等からなる転動支持手段121とで分担支持できるので、十字型スライド130の載荷重に対する強度を下げることができ、優れた免震効果を発揮することができるという効果を奏している。   As another earthquake countermeasure, a seismic isolation system may be provided in a bookshelf (for example, refer to patent documents 1). FIG. 5: is an example of the seismic isolation apparatus which can be installed in a bookshelf, (a) is a top view, (b) is a front view. In such a seismic isolation device 100, the weight of the mounting table 120 and the book rack placed thereon is shared by the cross-type slide 130 generating return force in two directions orthogonal to each other, and the rolling support means 121 consisting of wheels and the like. Since it can be supported, the strength against the load of the cross-shaped slide 130 can be lowered, and an excellent seismic isolation effect can be exhibited.

特許文献1には、このような構造の免震装置であれば、安価に製造することができると記載されているが、免震装置そのものが複雑な構造なので、簡易な地震対策と比較すると明らかに高価であり、さらに図書館のように多数の書架が並んでいるような場合には、設置個数が多くなるので、全量としては多大な費用がかかるということになる。したがって、安価でありながら、このような免震装置と同程度の効果を発揮できるような地震対策が望まれる。   Although it is described in patent document 1 that it can be manufactured cheaply if it is a seismic isolation device of such a structure, since the seismic isolation device itself is a complicated structure, it is clear compared with the simple earthquake countermeasure In the case where a large number of bookshelves are lined up, as in the case of a library, the number of installed books will increase, and the total cost will be enormous. Therefore, it is desirable to provide an earthquake countermeasure that can exhibit the same effect as such a seismic isolation device while being inexpensive.

特許第4936903号Patent No. 4936903

上記のような事情に鑑み、本発明は、一般的な免震装置よりも簡易な構造でありながら、地震による被害を抑えることができる制振性を備えた書架を提供することを目的としている。   In view of the above circumstances, the present invention has an object to provide a bookshelf having a damping property that can suppress damage caused by an earthquake while having a simpler structure than a general seismic isolation device. .

上記の目的を達成するために本発明の書架は、側板と、その側板同士を繋ぐフレームと、棚板と、を有する書架であって、棚板の背面側に背板を備え、その背板がバネ材からなるダンパーを介してフレームに接続されていることとする。   In order to achieve the above object, the bookshelf of the present invention is a bookshelf having side plates, a frame connecting the side plates, and a shelf plate, and a back plate is provided on the back side of the shelf plate, and the back plate Is connected to the frame via a damper made of a spring material.

ここで背板が樹脂製のハニカムコアサンドイッチパネルからなることとしたり、ダンパーが防振ゴムからなることにしたりするとよい。   Here, the back plate may be made of a resin-made honeycomb core sandwich panel, or the damper may be made of anti-vibration rubber.

本発明の書架によれば、背板が制振パネルとして機能するので、書架に制振構造を付加することになり、地震被害を抑制することができるという効果を奏する。   According to the bookshelf of the present invention, since the back plate functions as a damping panel, a damping structure is added to the bookshelf, so that the earthquake damage can be suppressed.

本発明の書架の斜視図である。It is a perspective view of the bookshelf of this invention. 本発明の書架の正面図である。It is a front view of the bookshelf of this invention. 棚板の取付方法を説明する図である。It is a figure explaining the attachment method of a shelf board. 背板の構造を説明する図である。It is a figure explaining the structure of a back board. 書架に設置できる免震装置の一例であり、(a)は平面図、(b)は正面図である。It is an example of the seismic isolation apparatus which can be installed in a bookshelf, (a) is a top view, (b) is a front view.

以下、本発明の実施の形態を添付図面を参照して説明する。   Hereinafter, embodiments of the present invention will be described with reference to the attached drawings.

図1は、本発明の書架の斜視図であり、図2は、本発明の書架の正面図である。なお、説明し易くするために、図1、図2では、向かって左側は棚板13を外した状態、右側は棚板を取付けた状態とし、図2は上半分程度のみ示した。   FIG. 1 is a perspective view of the bookshelf of the present invention, and FIG. 2 is a front view of the bookshelf of the present invention. In order to facilitate the description, in FIGS. 1 and 2, the left side is the state in which the shelf 13 is removed, the right side is the state in which the shelf is attached, and FIG.

本発明の書架10の基本構造は、側板11、フレーム12、棚板13、背板20で構成される。側板11、フレーム12及び棚板13の素材は、スチール製や木製など特に限定せず、例えば、フレーム12と棚板13をスチール製とし、側板11を木製とするような組合せにしてもよい。   The basic structure of the bookcase 10 of the present invention is composed of a side plate 11, a frame 12, a shelf plate 13 and a back plate 20. The material of the side plate 11, the frame 12 and the shelf plate 13 is not particularly limited, such as steel or wood. For example, the frame 12 and the shelf plate 13 may be steel and the side plate 11 may be wooden.

側板11は、収納する書籍を左右方向から挟む方向に垂直に立てられた板材であり、柱としての役目を果たす。隣り合う側板11は、フレーム12で繋がれ、上方から見ると側板11に対しフレーム12が直角に接続している。つまり、フレーム12と側板11は、上方から見てH形状又はコの字形状になるので、全体として自立できることになる。なお、側板11の下端にゴム等の弾性材を取付け、床面からの地震動の伝達を低減させることもできる。また、図1はH形状の図であり、図書館用の書架10では、H形状のものが多いので、H形状の書架を例に説明する。   The side plate 11 is a plate material erected vertically in a direction in which the book to be stored is sandwiched from the left and right direction, and serves as a column. Adjacent side plates 11 are connected by a frame 12, and when viewed from above, the frame 12 is connected to the side plate 11 at a right angle. That is, since the frame 12 and the side plate 11 are H-shaped or U-shaped when viewed from above, they can stand independently as a whole. In addition, elastic materials, such as rubber, can be attached to the lower end of the side plate 11, and transmission of the seismic motion from a floor surface can also be reduced. Further, FIG. 1 is an H-shaped view, and since there are many H-shaped bookshelves 10 for a library, the H-shaped bookshelf will be described as an example.

フレーム12は、垂直方向の2辺と水平方向の2辺からなる四角形の枠材である。フレーム12の垂直方向の2辺は、側板11の中心に沿って側板11に結合され、水平方向の2辺は、隣り合う側板11を、側板11の上側と下側で連結する構造になっている。   The frame 12 is a rectangular frame material having two sides in the vertical direction and two sides in the horizontal direction. Two sides in the vertical direction of the frame 12 are coupled to the side plate 11 along the center of the side plate 11, and two sides in the horizontal direction connect the adjacent side plates 11 on the upper side and the lower side of the side plate 11, respectively. There is.

棚板13は、上方から見てフレーム12と2枚の側板11,11で三方を囲まれた空間に設置される。つまり、H形状の書架10の場合は、上方から見ると、フレーム12を境に対称的に棚板13が設置されることになる。   The shelf board 13 is installed in a space surrounded by three sides by the frame 12 and the two side plates 11 and 11 when viewed from above. That is, in the case of the H-shaped bookshelf 10, the shelf board 13 is installed symmetrically with the frame 12 as a boundary when viewed from above.

棚板13の取付方法としては、例えば棚受けレールと受け具を用いた方法がある。図3は、棚板の取付方法を説明する図である。棚受けレール14は側板11の表面に垂直方向に設けられたレール状の部材で、その棚板レール14に受け具15の爪15aを引っ掛けて係止できる構造になっている。そして、棚板レール14に引っ掛けた受け具15の上に棚板13を置くことで、棚板13の重さで棚板レール14と受け具15との係止を安定させることができる。なお、受け具の爪15aを引っ掛ける箇所が、棚受けレール14の高さ方向に複数設けられていることで、棚板13を所望の高さに設置可能とする。   As a method of attaching the shelf board 13, for example, there is a method using a shelf support rail and a receptacle. FIG. 3 is a view for explaining the method of attaching the shelf board. The shelf receiving rail 14 is a rail-like member provided in the vertical direction on the surface of the side plate 11, and has a structure that can hook and hold the hook 15a of the receiving tool 15 on the shelf plate rail 14. Then, by placing the shelf board 13 on the receptacle 15 hooked on the shelf board rail 14, the weight of the shelf board 13 can stabilize the locking between the shelf board rail 14 and the receptacle 15. In addition, the location which hooks the nail | claw 15a of a receptacle is provided with two or more by the height direction of the shelf support rail 14, and installation of the shelf board 13 is enabled at a desired height.

背板20は、フレーム12の4辺が形成している四角形の内側に取付けられる板状の部材である。背板20は、棚板13の背面側に備えられてあり、書籍が棚板13の後方に落下するのを防いだり、棚の間仕切りとしての役目を果たしたりするものである。つまり、棚板13がフレーム12を境に対称的に設けられている場合は、その対称的な棚板13の間にあって、表と裏の棚を間仕切りすることになる。   The back plate 20 is a plate-like member attached to the inside of the quadrangle formed by the four sides of the frame 12. The back plate 20 is provided on the back side of the shelf plate 13 and prevents a book from falling behind the shelf plate 13 and serves as a partition between the shelves. That is, when the shelf board 13 is provided symmetrically with respect to the frame 12, it is between the symmetrical shelf boards 13 and partitions the front and back shelves.

ここで、背板20を制振パネルとして機能させることで、書架に制振構造を付加し、地震動を吸収することが可能となる。制振パネルとして機能するためには、フレーム12と背板20との結合に、防振ゴム等のバネ材からなるダンパー21を用いるとよい。そのような構造にすれば、地震動が入力されたときに背板20が振動し、その振動がダンパー21によって減衰されるので、地震動が吸収され、制振の効果が得られることになる。ダンパー21の取付位置としては、例えば、背板20の四隅をフレーム12の四隅に接続するように設けるとよい。   Here, by causing the back plate 20 to function as a vibration control panel, it is possible to add a vibration control structure to the bookshelf and absorb earthquake motion. In order to function as a vibration control panel, it is preferable to use a damper 21 made of a spring material such as anti-vibration rubber, for coupling the frame 12 and the back plate 20. With such a structure, when the ground motion is input, the back plate 20 vibrates, and the vibration is damped by the damper 21. Thus, the ground motion is absorbed, and the effect of damping is obtained. As a mounting position of the damper 21, for example, the four corners of the back plate 20 may be connected to the four corners of the frame 12.

特に、背板を制振パネルとして機能させる場合には、地震動により背板が棚板等に衝突する可能性が高いので、背板は軽くて丈夫な素材とするのが好ましい。そこで、例えば、背板としてハニカムコアで構成された板材(ハニカムコアサンドイッチパネル)を用いるとよい。図4は、背板の構造を説明する図である。この背板20は、ハニカムコア20bを上下のスキン20a,20aで挟んだハニカムコアサンドイッチパネルである。背板20の材質も特に限定はしないが、ハニカムコアサンドイッチパネルとしてポリプロピレンなどの樹脂製のものが存在し、そのようなポリプロピレン樹脂で成形されたハニカムコアサンドイッチパネルであれば、軽量で単位重量当たりの強度に優れているので、背板20として使用するのに適している。また、微かに透過性があるため、図書館では書籍の隙間から書架の反対側に人がいるのを認識することができたり、館内を明るくできたりするといったメリットもある。   In particular, when the back plate is made to function as a vibration control panel, it is preferable that the back plate be made of a light and durable material because there is a high possibility that the back plate collides with a shelf or the like due to earthquake motion. Therefore, for example, it is preferable to use a plate material (honeycomb core sandwich panel) composed of a honeycomb core as a back plate. FIG. 4 is a view for explaining the structure of the back plate. The back plate 20 is a honeycomb core sandwich panel in which the honeycomb core 20b is sandwiched between the upper and lower skins 20a and 20a. The material of the back plate 20 is not particularly limited, but there is a honeycomb core sandwich panel made of a resin such as polypropylene, and if it is a honeycomb core sandwich panel molded with such a polypropylene resin, it is lightweight and per unit weight. And is suitable for use as the back plate 20. In addition, since it is slightly transparent, the library has the advantage of being able to recognize that there is a person on the other side of the bookshelf from the gaps in the book, and making the hall brighter.

以上の通り、背板を制振パネルにすることで、簡易な構造で、書架に制振性を付加することが可能となる。そして、それぞれの側板の間に制振パネルが設置されることになるので、図書館のように書架が連続しているような構造であっても、個々の制振パネルが機能し、書架全体がうねったりせず、書架の倒壊等の地震被害を効率よく防ぐことができる。   As described above, by using the back plate as a damping panel, it is possible to add damping properties to the bookshelf with a simple structure. And since a damping panel will be installed between each side plate, even if it is a structure where a bookshelf is continuous like a library, each damping panel functions and the whole bookshelf winds. It is possible to efficiently prevent earthquake damage such as the collapse of a bookshelf.

10 書架
11 側板
12 フレーム
13 棚板
14 棚受けレール
15 受け具
20 背板
21 ダンパー
DESCRIPTION OF SYMBOLS 10 bookcase 11 side plate 12 frame 13 shelf plate 14 shelf receiving rail 15 receiving tool 20 back plate 21 damper

Claims (3)

側板と、該側板同士を繋ぐフレームと、棚板と、を有する書架であって、
前記棚板の背面側に背板を備え、前記背板がバネ材からなるダンパーを介して前記フレームに接続されていることを特徴とする書架。
A bookshelf comprising side plates, a frame connecting the side plates, and a shelf plate,
A book rack comprising a back plate on the back side of the shelf board, the back plate being connected to the frame through a damper made of a spring material.
前記背板が、樹脂製のハニカムコアサンドイッチパネルからなることを特徴とする請求項1に記載の書架。   The bookshelf according to claim 1, wherein the back plate is made of a resin-made honeycomb core sandwich panel. 前記ダンパーが、防振ゴムからなることを特徴とする請求項1又は2に記載の書架。   The book rack according to claim 1 or 2, wherein the damper is made of anti-vibration rubber.
JP2017165826A 2017-08-30 2017-08-30 Bookshelf Active JP6909104B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102124160B1 (en) * 2020-01-21 2020-06-18 주식회사 명성기업 Prefab Double Sided Shelf

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102124160B1 (en) * 2020-01-21 2020-06-18 주식회사 명성기업 Prefab Double Sided Shelf

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