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JP3315250B2 - Floor bundle foundation - Google Patents

Floor bundle foundation

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Publication number
JP3315250B2
JP3315250B2 JP11869394A JP11869394A JP3315250B2 JP 3315250 B2 JP3315250 B2 JP 3315250B2 JP 11869394 A JP11869394 A JP 11869394A JP 11869394 A JP11869394 A JP 11869394A JP 3315250 B2 JP3315250 B2 JP 3315250B2
Authority
JP
Japan
Prior art keywords
compression limiting
absorbing material
vibration
vibration absorbing
limiting piece
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 - Lifetime
Application number
JP11869394A
Other languages
Japanese (ja)
Other versions
JPH07324418A (en
Inventor
英明 笠倉
倖雄 内田
Original Assignee
永和工業株式会社
日本床工事工業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 永和工業株式会社, 日本床工事工業株式会社 filed Critical 永和工業株式会社
Priority to JP11869394A priority Critical patent/JP3315250B2/en
Publication of JPH07324418A publication Critical patent/JPH07324418A/en
Application granted granted Critical
Publication of JP3315250B2 publication Critical patent/JP3315250B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、床用束基礎に関するも
のである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor bundle foundation.

【0002】[0002]

【従来の技術】床用束基礎は、例えば体育館等の床の構
築時に用いる短い柱状をしたもので、コンクリート打ち
等された床スラブ上に立設して、その上端部で大引及び
根太等を介して床パネル又は床板等を支承させるように
する。この種束基礎として一般的なものは、高さ方向中
間部にゴム等の吸振材が設けられ、この吸振材と下端部
(床スラブへの固定部等)との間が、軸線方向を上下に
向けた高さ調節用ボルトによって連結されて成る(例え
ば実開昭57−129836号公報、実開昭59−65
146号公報等参照)。なお、上記高さ調節ボルトが吸
振材と上端部(大引の支承部等)との間を連結すべく設
けられたものもある。
2. Description of the Related Art Floor bundle foundations are short pillars used when constructing floors in, for example, gymnasiums, and are erected on a floor slab made of concrete or the like. A floor panel or a floor board is supported via the. In general, as a seed bundle base, a vibration absorbing material such as rubber is provided at an intermediate portion in a height direction, and an axial direction between the vibration absorbing material and a lower end portion (fixed portion to a floor slab) is vertically. (For example, Japanese Utility Model Laid-Open No. 57-129836, 59-65).
146, etc.). In some cases, the height adjusting bolt is provided to connect between the vibration absorbing member and the upper end portion (such as a large supporting portion).

【0003】[0003]

【発明が解決しようとする課題】床に衝撃的な振動が加
えられた場合等にあって、吸振材が過激に縦圧縮すると
共に大きな横ズレ変形を起こすことがあり、これに伴っ
て上記高さ調節ボルトに傾斜方向の過大荷重が作用し、
曲がりや溶接結合部等での折れ等が生じさせることがあ
った。またこのような場合、吸振材自体にも、内部亀裂
等が生じることがあった。
When an impact vibration is applied to the floor or the like, the vibration-absorbing material may be severely vertically compressed and may cause a large lateral deformation. Excessive load in the inclination direction acts on the height adjustment bolt,
In some cases, bending or breakage at a weld joint or the like was caused. In such a case, an internal crack or the like may occur in the vibration absorbing material itself.

【0004】本発明は、上記事情に鑑みてなされたもの
であって、床に衝撃的な振動が加えられた場合等にも、
高さ調節ボルトの曲がりや折れ、及び吸振材の破損等が
起こることがないようにした束基礎を提供することを目
的とする。
[0004] The present invention has been made in view of the above circumstances, and even when shocking vibration is applied to the floor, etc.
An object of the present invention is to provide a bundle foundation in which bending or breaking of a height adjusting bolt, breakage of a vibration absorbing material, or the like does not occur.

【0005】[0005]

【課題を解決するための手段】本発明では、上記目的を
達成するために、次の技術的手段を講じた。即ち、本発
明は、高さ方向中間部に吸振材が設けられていると共
に、この吸振材の縦圧縮が所定量に達したときに相互当
接可能となる上部及び下部の圧縮制限片が設けられてい
床用束基礎であって、 前記圧縮制限片における上部又
は下部の一方が、表面に溝部を有するプレート状に形成
され、 同他方が、前記溝部に対応する領域で前記吸振材
を囲む周壁を有したカバー状に形成されていることを特
徴としている。
According to the present invention, the following technical measures have been taken in order to achieve the above object. That is, according to the present invention, the vibration absorbing material is provided at the intermediate portion in the height direction, and the upper and lower compression limiting pieces which can be brought into contact with each other when the vertical compression of the vibration absorbing material reaches a predetermined amount are provided. a floor beam foundation that is, upper part of the compression limiting member also
Is shaped like a plate with a groove on the surface on one side
And the other is in the region corresponding to the groove,
Is formed in a cover shape having a peripheral wall surrounding the .

【0006】[0006]

【作用】床に衝撃的な振動が加えられたとしても、吸振
材は、上下の圧縮制限片が相互当接した状態を超えて更
に縦圧縮することはない。また、圧縮制限片の一方が、
表面に溝部を有するプレート状に形成され、同他方が、
溝部に対応する領域で前記吸振材を囲む周壁を有した
バー状に形成されているので、両圧縮制限片が互いに当
接した場合に横滑りに対抗して大きな摩擦抵抗が生じ
る。
When a shock is applied to the floor, the vibration-absorbing material is not further compressed vertically beyond the upper and lower compression limiting pieces. Also, one of the compression limiting pieces is
It is formed in a plate shape with a groove on the surface, and the other is,
Since it is formed in a cover shape having a peripheral wall surrounding the vibration absorbing material in a region corresponding to the groove, when both compression limiting pieces come into contact with each other, a large frictional resistance against side slip occurs. Occurs.

【0007】[0007]

【実施例】以下、本発明の実施例を図面に基づき説明す
る。図1及び図2は本発明に係る束基礎1を示すもので
あって、2は床スラブ、3は大引である。図示は省略す
るが、一般には大引3の上部に根太が交差状に渡され、
その上部に床パネル等が載設される。
Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show a bundle foundation 1 according to the present invention, wherein 2 is a floor slab, and 3 is a slab. Although illustration is omitted, generally a joist is crossed over the upper part of the pulling bar 3,
A floor panel or the like is mounted on the upper part.

【0008】束基礎1は、下端部に床スラブ2への固定
板5を有した支持本体6と、この支持本体6の上部に高
さ可変体7及び吸振材8を介して設けられた、大引3等
との結合に用いられる支承部材9とを具備して成る。支
持本体6は、円形又は角形のパイプ材より形成されてお
り、その上端部には、外周鍔を有したナット部材12が
嵌入溶着されている。
The bundle foundation 1 is provided with a supporting body 6 having a fixing plate 5 for fixing to the floor slab 2 at a lower end, and a height variable body 7 and a vibration absorbing material 8 provided above the supporting body 6. And a bearing member 9 used for coupling to the pulling pulley 3 and the like. The support main body 6 is formed of a circular or square pipe material, and a nut member 12 having an outer peripheral flange is fitted and welded to an upper end thereof.

【0009】高さ可変体7は、支持本体6よりも一回り
細い円形パイプ材より形成されており、その外周面には
上記ナット部材12と螺合可能なねじ部7aが刻設され
ている。従って、支持本体6に対する高さ可変体7の回
転度合を変えることで、上記支承部材9の高さ調節が可
能となっており、これにより高さ調節手段14が構成さ
れている。15は調節状態を固定するロックナットであ
る。
The variable height member 7 is formed of a circular pipe material which is slightly thinner than the support body 6, and has a threaded portion 7a which can be screwed with the nut member 12 on its outer peripheral surface. . Therefore, the height of the support member 9 can be adjusted by changing the degree of rotation of the height variable body 7 with respect to the support main body 6, thereby constituting the height adjusting means 14. Reference numeral 15 denotes a lock nut for fixing the adjustment state.

【0010】高さ可変体7の上端部には、円形プレート
状に形成された圧縮制限片18が溶着されており、この
圧縮制限片18の上面中心部にはリベット等の固定具1
9aを介して吸振材8が固定されている。吸振材8は平
面視正方形に形成されたやや偏平な直方体状を呈するゴ
ム体よりなり、上下面に金属製の補強プレート8a,8
bが固着されている。下面側の補強8bに前記リベット
19aが固定されるとともに、上面側の補強プレート8
aには取付ボルト19が立設固定されている。取付ボル
ト19は後述のカバー状の圧縮制限片22と前記支承部
材9とを貫通し、その突出端部にナット19aを螺合し
てこれを締め付けることにより、カバー状の圧縮制限片
22と支承部材9とが吸振材8の上面に固定されてい
る。
A compression limiting piece 18 formed in a circular plate shape is welded to the upper end of the variable height body 7, and a fixing tool 1 such as a rivet is attached to the center of the upper surface of the compression limiting piece 18.
The vibration absorbing material 8 is fixed via 9a. The vibration-absorbing material 8 is formed of a somewhat flat rectangular parallelepiped rubber body formed in a square shape in a plan view, and has metal reinforcing plates 8a and 8 on upper and lower surfaces.
b is fixed. The rivet 19a is fixed to the reinforcement 8b on the lower surface and the reinforcing plate 8 on the upper surface.
A mounting bolt 19 is erected and fixed to a. The mounting bolt 19 penetrates a cover-shaped compression limiting piece 22 to be described later and the support member 9, and a nut 19 a is screwed into a protruding end thereof and tightened, so that the cover-shaped compression limiting piece 22 is supported. The member 9 is fixed to the upper surface of the vibration absorbing material 8.

【0011】なお、上記したように高さ可変体7にパイ
プ材を用いているため、該高さ可変体7と下側の圧縮制
限片18との溶接結合部分(矢符B参照)は、従来のも
のにおける高さ調節ボルト(図示略)の相当部位に比べ
て直径が太くなっている。従って、その分だけ曲げ、折
れ、捩じれに対して強くなっている。吸振材8の上部に
は、その外周を囲む周壁22aを有したカバー状の圧縮
制限片22が被せられている。このカバー状の圧縮制限
片22は有底の短円筒状を呈しており、その開口端が下
向きとなるように吸振材8の上部に被せられている。こ
の圧縮制限片22の周壁22aの下端部は、吸振材8が
縦方向に非圧縮のときには、プレート状の圧縮制限片1
8との間に所定の隙間Gを保持するようになっていて、
この隙間Gは、吸振材8が過大な軸圧縮を受けたときに
は周壁22aの下端が下側の圧縮制限片18に接当する
程度に設定されている。従って、この隙間Gの相当分が
吸振材8の圧縮許容量となっている。
Since the pipe member is used for the variable height member 7 as described above, the welded joint between the variable height member 7 and the lower compression limiting piece 18 (see arrow B) The diameter is larger than a corresponding portion of a conventional height adjusting bolt (not shown). Therefore, it is more resistant to bending, bending, and twisting. A cover-shaped compression limiting piece 22 having a peripheral wall 22a surrounding the outer periphery is covered on the upper part of the vibration absorbing material 8. The cover-shaped compression limiting piece 22 has a short cylindrical shape with a bottom, and is covered on the upper part of the vibration absorbing material 8 so that an opening end thereof faces downward. When the vibration-absorbing material 8 is not compressed in the vertical direction, the lower end of the peripheral wall 22a of the compression limiting piece 22 is
8 to maintain a predetermined gap G,
The gap G is set such that the lower end of the peripheral wall 22a contacts the lower compression limiting piece 18 when the vibration absorbing member 8 is subjected to excessive axial compression. Therefore, a considerable amount of the gap G is the allowable compression amount of the vibration absorbing material 8.

【0012】なお、これら圧縮制限片18,22や吸振
材8の平面形状は、円形の他、正方形や長方形に形成で
きる。支承部材9は、帯板材を折曲してシルクハットを
逆に向けたような側面形状に形成したものであって、下
部中央の平坦部9aには上記取付ボルト19に嵌められ
る通孔が、また上部両側の平坦部9bには大引3との結
合に用いられるボルト25を挿入する通孔が、それぞれ
形成されている。
The plane shapes of the compression limiting pieces 18 and 22 and the vibration absorbing material 8 can be formed in a square or a rectangle in addition to a circle. The support member 9 is formed by bending a band plate material into a side shape such that a silk hat is turned upside down, and a through hole to be fitted to the mounting bolt 19 is formed in a flat portion 9a at the lower center. Further, through holes for inserting bolts 25 used for coupling with the large pulley 3 are formed in the flat portions 9b on both upper sides, respectively.

【0013】この支承部材9の上部には、大引3の下面
部を嵌合状に受ける折曲側縁26aを有した大引受具2
6が設けられており、大引3との結合時には、該大引3
内にボルト25と螺合するナット板28が嵌め込まれる
ようになっている。なお、支承部材9において2個の上
部平坦部9bを設け、これらに各別の通孔を形成させる
ことで、2本のボルト25による大引3との結合ができ
るようになっているので、結合強度を上げることができ
る。
On the upper part of the support member 9, a large receiving tool 2 having a bent side edge 26a for receiving the lower surface of the large pulley 3 in a fitting manner.
6 are provided, and when coupled with the large
A nut plate 28 screwed with the bolt 25 is fitted therein. By providing two upper flat portions 9b in the support member 9 and forming different through holes in each of the upper flat portions 9b, it is possible to couple with the large pull 3 by two bolts 25. The bonding strength can be increased.

【0014】上記構成に係る束基礎1では、床(図示
略)に対して衝撃的な振動が加えられたとしても、吸振
材8はカバー状(上側)の圧縮制限片22が全体的に下
降してプレート状(下側)の圧縮制限片18と枠状に当
接した状態、又は図3に示すようにカバー状圧縮制限片
22の一辺側周壁22aがプレート状圧縮制限片18と
当接し、吸振材8がこの当接状態を超えて更に軸圧縮さ
れることはない。
In the bundle foundation 1 having the above-described structure, even when shocking vibration is applied to the floor (not shown), the cover member (upper side) of the compression limiting piece 22 is entirely lowered. 3 and a frame-shaped contact with the plate-shaped (lower) compression limiting piece 18, or as shown in FIG. 3, one side peripheral wall 22a of the cover-shaped compression limiting piece 22 abuts on the plate-shaped compression limiting piece 18. The vibration absorbing member 8 is not further axially compressed beyond the contact state.

【0015】従って、吸振材8が過大に軸圧縮されるこ
とによる塑性変形が防止され、ひいては吸振材8の耐久
性が向上する。特に、これらカバー状の圧縮制限片22
の下端ほぼ全域が圧縮制限片18に当接したような場合
には、横滑り作用に対して大きな摩擦抵抗を生じ得る。
このため、特に吸振材8が横方向に大きくせん断変形す
るのが防止され、過大なせん断変形による吸振材8の破
損も同時に防止される。また、カバー状の圧縮制限片2
2において高剛性が得られ、変形し難いという利点も得
られる。
Therefore, plastic deformation due to excessive axial compression of the vibration absorbing material 8 is prevented, and the durability of the vibration absorbing material 8 is improved. In particular, these cover-shaped compression limiting pieces 22
When the entire lower end of the abutment comes into contact with the compression limiting piece 18, a large frictional resistance can be generated against the side slipping action.
For this reason, especially the vibration damping material 8 is prevented from being greatly sheared in the lateral direction, and the damage of the vibration damping material 8 due to excessive shear deformation is also prevented at the same time. Also, a cover-shaped compression limiting piece 2
2, high rigidity is obtained, and the advantage of being difficult to deform is also obtained.

【0016】本発明において、図4に示すようにプレー
ト状の圧縮制限片18の上面におけるカバー状圧縮制限
片22が当接可能な領域(又は全面でもよい)に、同心
円状の互いに溝部30を刻設しておけば、カバー状圧縮
制限片22が当接した場合の横滑りをより一層確実に防
止することができる。また、下側の圧縮制限片18をカ
バー状に形成し、上側の圧縮制限片22をプレート状に
形成してもよい。
In the present invention, as shown in FIG. 4, concentric grooves 30 are formed on the upper surface of the plate-shaped compression limiting piece 18 in the area where the cover-shaped compression limiting piece 22 can abut (or may be the entire surface). By engraving, it is possible to more reliably prevent the side slip when the cover-shaped compression limiting piece 22 comes into contact. Alternatively, the lower compression restriction piece 18 may be formed in a cover shape, and the upper compression restriction piece 22 may be formed in a plate shape.

【0017】さらに、図5に示すように、ボルト19を
プレート状の圧縮制限片18の上面に突設し、このボル
ト19に吸振材8を貫通させるようにしてもよい。ま
た、吸振材8は複数枚のゴム板を積層することによって
構成してもよい。この場合、ゴム板のそれぞれは、互い
に固着したもの又は当初より一体化されたものでもよい
が、現場の諸事情に応じて積層枚数を適宜変更できるよ
う分離状態のままとしておいてもよい。
Further, as shown in FIG. 5, a bolt 19 may be protruded from the upper surface of the plate-shaped compression limiting piece 18 so that the vibration absorbing material 8 penetrates the bolt 19. Further, the vibration absorbing material 8 may be configured by laminating a plurality of rubber plates. In this case, each of the rubber plates may be fixed to each other or integrated from the beginning, but may be kept in a separated state so that the number of laminated sheets can be appropriately changed according to various circumstances at the site.

【0018】[0018]

【発明の効果】本発明は、上述の構成を具備するもので
あって、吸振材が所定量縦圧縮した場合に、上下の圧縮
制限片が互いに当接するようにしてあるので、床に衝撃
的な振動が加えられた場合にも、吸振材が過剰に縦圧縮
することはなく、従って、吸振材はもとより、各部にお
ける破損を防止できる。
According to the present invention, when the vibration absorbing member is longitudinally compressed by a predetermined amount, the upper and lower compression limiting pieces are brought into contact with each other. Even when severe vibration is applied, the vibration-absorbing material is not excessively longitudinally compressed, so that not only the vibration-absorbing material but also each part can be prevented from being damaged.

【0019】また、一方のプレート状の圧縮制限片が溝
部を有しており、他方のカバー状の圧縮制限片がその溝
部に対応する領域の周壁を有しているので、両圧縮制限
片が互いに当接した場合に横滑り作用に対して大きな摩
擦抵抗を生じ、このため、吸振材及び各部の破損防止が
より一層確実なものとなる。
One of the plate-shaped compression limiting pieces has a groove.
And the other cover-shaped compression limiting piece has a groove.
With the peripheral wall in the area corresponding to the part, when the two compression limiting pieces come into contact with each other, a large frictional resistance is generated with respect to the side slipping action, so that the damage of the vibration absorbing material and each part is more reliably prevented. It becomes something.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明に係る束基礎を示す一部破砕正面図であ
る。
FIG. 1 is a partially broken front view showing a bundle foundation according to the present invention.

【図2】図1のA−A線断面図である。FIG. 2 is a sectional view taken along line AA of FIG.

【図3】吸振材の動作説明図である。FIG. 3 is a diagram illustrating the operation of a vibration absorbing material.

【図4】プレート状圧縮制限片の変形例を示す平面図で
ある。
FIG. 4 is a plan view showing a modification of the plate-shaped compression limiting piece.

【図5】吸振材の取付構造の変形例を示す断面図であ
る。
FIG. 5 is a cross-sectional view showing a modification of the mounting structure of the vibration absorbing material.

【符号の説明】[Explanation of symbols]

1 束基礎 8 吸振材 18 圧縮制限片(プレート状をしたもの) 22 圧縮制限片(カバー状をしたもの) 22a 周壁 DESCRIPTION OF SYMBOLS 1 Bundle foundation 8 Vibration absorbing material 18 Compression limiting piece (plate-shaped) 22 Compression limiting piece (cover-shaped) 22a Peripheral wall

───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平2−240366(JP,A) 実開 平4−84541(JP,U) (58)調査した分野(Int.Cl.7,DB名) E04B 5/02 E04F 15/00 E04F 15/18 E04F 15/22 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-2-240366 (JP, A) JP-A-4-84541 (JP, U) (58) Fields investigated (Int. Cl. 7 , DB name) E04B 5/02 E04F 15/00 E04F 15/18 E04F 15/22

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 高さ方向中間部に吸振材(8)が設けら
れていると共に、この吸振材(8)の縦圧縮が所定量に
達したときに相互当接可能となる上部及び下部の圧縮制
限片(18,22)が設けられている床用束基礎であっ
て、 前記圧縮制限片(18,22)における上部又は下部の
一方が、表面に溝部(30)を有するプレート状に形成
され、 同他方が、前記溝部(30)に対応する領域で前記吸振
材(8)を囲む周壁(22a)を有したカバー状に形成
されている ことを特徴とする床用束基礎。
1. A vibration absorber (8) is provided at an intermediate portion in the height direction, and upper and lower portions which can abut each other when the longitudinal compression of the vibration absorber (8) reaches a predetermined amount. A floor bundle base provided with compression limiting pieces (18, 22).
Te, the upper or lower in the compression limiting member (18, 22)
One is formed in a plate shape with a groove (30) on the surface
And the other side absorbs the vibration in a region corresponding to the groove (30).
Formed as a cover having a peripheral wall (22a) surrounding the material (8)
A floor bundle base characterized by being made .
JP11869394A 1994-05-31 1994-05-31 Floor bundle foundation Expired - Lifetime JP3315250B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11869394A JP3315250B2 (en) 1994-05-31 1994-05-31 Floor bundle foundation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11869394A JP3315250B2 (en) 1994-05-31 1994-05-31 Floor bundle foundation

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2002073200A Division JP3602107B2 (en) 2002-03-15 2002-03-15 Floor bundle foundation

Publications (2)

Publication Number Publication Date
JPH07324418A JPH07324418A (en) 1995-12-12
JP3315250B2 true JP3315250B2 (en) 2002-08-19

Family

ID=14742836

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11869394A Expired - Lifetime JP3315250B2 (en) 1994-05-31 1994-05-31 Floor bundle foundation

Country Status (1)

Country Link
JP (1) JP3315250B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5199657B2 (en) * 2007-12-20 2013-05-15 株式会社竹中工務店 Floor anti-vibration support device

Also Published As

Publication number Publication date
JPH07324418A (en) 1995-12-12

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