JP2598811Y2 - spacer - Google Patents
spacerInfo
- Publication number
- JP2598811Y2 JP2598811Y2 JP1993001791U JP179193U JP2598811Y2 JP 2598811 Y2 JP2598811 Y2 JP 2598811Y2 JP 1993001791 U JP1993001791 U JP 1993001791U JP 179193 U JP179193 U JP 179193U JP 2598811 Y2 JP2598811 Y2 JP 2598811Y2
- Authority
- JP
- Japan
- Prior art keywords
- spacer
- reinforcing bar
- reinforcing
- main body
- present
- 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 - Fee Related
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/20—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups of material other than metal or with only additional metal parts, e.g. concrete or plastics spacers with metal binding wires
- E04C5/201—Spacer blocks with embedded separate holding wire or clips
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この考案は、コンクリート部材中
に埋設される補強用鉄筋を、コンクリート部材成形時の
型枠に支持するスペーサーに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spacer for supporting a reinforcing reinforcing bar buried in a concrete member on a formwork at the time of molding the concrete member.
【０００２】[0002]
【従来の技術】従来使用されているスペーサーの材質
は、プラスチック，樹脂コーチング鋼棒などである。2. Description of the Related Art Conventionally used spacer materials include plastics, resin-coated steel rods and the like.
【０００３】[0003]
【考案が解決しようとする課題】しかし、スペーサーの
材質がプラスチックであると、プラスチックの強度が十
分でないので、スペーサー自身が耐荷性の劣るものとな
ってしまう。さらに、プラスチックとコンクリート部材
用打設コンクリートとの熱膨張係数が異なるため、蒸気
養生セメントの硬化熱によって、コンクリートとスペー
サーとの界面に隙間が生じ、水の浸透が容易に起こるこ
ととなる。However, if the material of the spacer is plastic, the strength of the plastic is not sufficient, so that the spacer itself becomes inferior in load resistance. Furthermore, since the thermal expansion coefficients of the plastic and the concrete for the concrete member are different, gaps are generated at the interface between the concrete and the spacer due to the heat of curing of the steam-cured cement, so that water easily penetrates.
【０００４】また、材質が樹脂コーチング鋼棒である
と、スペーサー自身の形状によっては耐荷性，耐衝撃性
が強いものとなるが、水の浸透によってスペーサー自身
に錆が発生するという難点があり、取付けに溶接を行う
必要があるので施工性が劣る。When the material is a resin-coated steel rod, the load resistance and the impact resistance are strong depending on the shape of the spacer itself, but there is a drawback that rust is generated on the spacer itself due to water penetration. Workability is inferior because welding is required for installation.
【０００５】本考案は前述した事情に鑑みて考案された
もので、その目的はコンクリート部材の厚みが大きくて
鉄筋重量も大きい場合にも、補強用鉄筋の支持が容易に
行われ、耐荷性，耐衝撃性に優れ、しかも、耐久性，施
工性，経済性に優れたスペーサーを提供することにあ
る。The present invention has been devised in view of the above-mentioned circumstances, and its purpose is to easily support a reinforcing steel bar even when the thickness of the concrete member is large and the weight of the reinforcing steel bar is large, so that the load resistance, An object of the present invention is to provide a spacer which is excellent in impact resistance, and which is excellent in durability, workability, and economy.
【０００６】[0006]
【課題を解決するための手段】本考案のスペーサーは、
繊維強化高強度モルタルで形成されていて二等辺三角形
状であり、各辺の中央部に凹みを設けた本体と、弾性復
元力の大きい鋼線でつくられ先端が弯曲している係止具
とからなるものであり、係止具は本体の底辺側の二つの
頂点近くの対称の位置の同じ面に本体に二個埋め込まれ
ている。そして、このスペーサーは係止具で直接補強用
鉄筋（主鉄筋）に装着されるのではなくて、装着しよう
とする補強用鉄筋（主鉄筋）に直交する鉄筋（補助鉄
筋）に二個の係止具の先端の弯曲部をかけることによっ
て装着される。 Means for Solving the Problems The spacer of the present invention is:
Be formed of fiber-reinforced high strength mortar is an isosceles triangle, a body having a recess in a central portion of each side, the locking tool that tip made of large steel wire elastic restoring force are curved And two locking devices are embedded in the main body on the same surface at symmetric positions near two apexes on the bottom side of the main body. And this spacer is directly used for reinforcement
Do not attach to the rebar (main rebar), let's attach
Reinforcing bars (auxiliary bars) orthogonal to the reinforcing bars (main reinforcing bars)
By attaching the curved portions at the tips of the two fasteners
Is attached.
【０００７】本考案の第一の特徴は、スペーサー本体の
材質を繊維強化高強度モルタルとした点であり、これに
より、スペーサー自身を耐荷性，耐衝撃性に優れたもの
とすることができる。繊維強化高強度モルタルの成形に
さいしては、ガラス繊維、炭素繊維、アラミド繊維など
の高剛性の繊維が単独あるいは混合して使用される。A first feature of the present invention is that the material of the spacer body is a fiber-reinforced high-strength mortar, which makes it possible to make the spacer itself excellent in load resistance and impact resistance. In molding the fiber-reinforced high-strength mortar, highly rigid fibers such as glass fibers, carbon fibers, and aramid fibers are used alone or in combination.
【０００８】これらの繊維は繊維強化高強度モルタルの
成形前に高強度モルタル成分によく混合される。経済性
などの面からガラス繊維を使用するのが実際的である。[0008] These fibers are well mixed with the high strength mortar components prior to forming the fiber reinforced high strength mortar. It is practical to use glass fiber in terms of economy and the like.
【０００９】本考案の第二の特徴は、スペーサー本体の
形状を二等辺三角形状とし、各辺の中央部に凹みを設け
た点であり、この凹みの中、底辺側の凹みによって補強
用鉄筋の径の大小にかかわらず、スペーサー本体を補強
用鉄筋に装着することができる。残りの二個の斜辺側の
凹みは打設コンクリートの通り道であり、この凹みにも
コンクリートが存在するので、打設コンクリートとスペ
ーサー本体との付着力が向上する。また、左右対称であ
るので、補強用鉄筋への装着の際の方向による制約が少
ない。The present invention of the second feature, a shape of the spacer body and isosceles triangle, a point having a dent in the central portion of each side, reinforcing rebar by in this recess, the bottom side of the recess Regardless of the diameter of the spacer, the spacer body can be attached to the reinforcing steel bar. The remaining two dents on the hypotenuse side are the path of the cast concrete, and the concrete also exists in these dents, so that the adhesive force between the cast concrete and the spacer body is improved. In addition, since it is symmetrical left and right, there is little restriction due to the direction at the time of attachment to the reinforcing steel bar.
【００１０】本考案の第三の特徴は、係止具であり、本
体の同じ面に二個埋め込まれていて装着しようとする補
強用鉄筋に直交する鉄筋に係止具の先端の弯曲部をかけ
るだけで容易に装着できる。また、材質が弾性復元力の
大きい鋼線であるので、装着しようとする補強用鉄筋の
径の大小によりスペーサー本体と鉄筋との相対位置が相
当変わってもその変化に追随して容易に装着される。こ
の係止具は本体を成形するときに一緒に埋め込んでもよ
いし、小孔を有する本体を成形し、その小孔に係止具下
部を嵌入してもよい。A third feature of the present invention is a locking device, in which two curved portions at the tip of the locking device are embedded in a reinforcing bar which is embedded in the same surface of the main body and is orthogonal to the reinforcing bar to be mounted. It can be easily installed simply by hanging it. Also, since the material is a steel wire with a large elastic restoring force, even if the relative position between the spacer body and the reinforcing bar changes considerably depending on the diameter of the reinforcing bar to be mounted, it can be easily mounted following the change. You. The locking device may be embedded together when the main body is formed, or a main body having a small hole may be formed, and the lower portion of the locking device may be fitted into the small hole.
【００１１】なお、本考案のスペーサーにおいては、ス
ペーサー本体は補強用鉄筋に係止され、その反対側の三
角形の頂点が型枠面に押しつけられ支持固定されること
となり、型枠面と補強用鉄筋との間隙は所定どうり保持
される。In the spacer according to the present invention, the spacer body is engaged with the reinforcing steel bar, and the apex of the triangle on the opposite side is pressed against the formwork surface to be supported and fixed. The gap with the rebar is maintained as predetermined.
【００１２】[0012]
【実施例】以下、本考案のスペーサーを、図面を参照し
ながら詳細に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the spacer of the present invention will be described in detail with reference to the drawings.
【００１３】図１は本考案スペーサーの斜視図である。
本体１はガラス繊維を混合した高強度モルタルを成形し
て製造される。成形のとき凹部２，２，３と小孔４，４
が設けられる。図２は係止具５の斜視図である。係止具
５は弾性の高い鋼線で作られ、その下部６は螺旋状に加
工されバネとなっており、上部先端は弯曲している。FIG. 1 is a perspective view of the spacer of the present invention.
The main body 1 is manufactured by molding a high strength mortar mixed with glass fibers. During molding, recesses 2, 2, 3 and small holes 4, 4
Is provided. FIG. 2 is a perspective view of the locking device 5. The locking member 5 is made of a highly elastic steel wire, the lower part 6 of which is processed into a spiral shape to form a spring, and the upper end of which is curved.
【００１４】この係止具５は本体１の小孔４，４に嵌入
されている。The locking member 5 is fitted in the small holes 4 of the main body 1.
【００１５】図３、図４はそれぞれ本考案スペーサーを
同じ型枠に装着した状態を示す立断面図であり、図３は
補強用鉄筋の径が細い場合を示し、図４は補強用鉄筋の
径が太い場合を示す。本体１は凹部３で鉄筋７に接し、
係止具５によって鉄筋７と直交する鉄筋８に係止されて
おり、本体１の反対側頂部は側型枠面９に圧着されてい
る。図３に示すように鉄筋７の径が細い場合には係止具
５は本体１の嵌入面からあまり離れることなく鉄筋８に
係止されるが、図４に示すように鉄筋７の径が太くなる
にしたがって係止具５は本体１の嵌入面から離れて鉄筋
８に係止される。このように本考案スペーサーは鉄筋７
の径の大小にかかわらず、総ての補強用鉄筋に適用でき
る。FIGS. 3 and 4 are vertical sectional views showing a state in which the spacer of the present invention is mounted on the same formwork. FIG. 3 shows a case where the diameter of the reinforcing bar is small, and FIG. The case where the diameter is large is shown. The main body 1 is in contact with the reinforcing bar 7 at the recess 3,
The reinforcing bar 8 is locked to a reinforcing bar 8 orthogonal to the reinforcing bar 7 by a locking tool 5, and the top on the opposite side of the main body 1 is crimped to the side form surface 9. When the diameter of the reinforcing bar 7 is small as shown in FIG. 3, the locking tool 5 is locked to the reinforcing bar 8 without leaving much from the fitting surface of the main body 1, but as shown in FIG. As the thickness increases, the locking tool 5 is separated from the fitting surface of the main body 1 and locked to the reinforcing bar 8. As described above, the spacer according to the present invention is the reinforcing bar 7.
It can be applied to all reinforcing bars regardless of the diameter of the reinforcement.
【００１６】[0016]
【考案の効果】本考案スペーサー本体は、高強度のモル
タルでかつ、繊維により強化されているので、耐衝撃性
に優れ高振動のバイブレーターによるコンクリート締固
めにも損傷が生じないし、モルタル製のために、コンク
リートとの付着が良く、水が浸透しにくい。また、所
謂、鉄筋のかぶりの部分に、鉄製の材料がないので、錆
の発生などの腐食が生じない。[Effect of the Invention] The spacer body of the present invention is made of high-strength mortar and reinforced with fibers, so it has excellent impact resistance and does not cause damage to concrete compaction by a high-vibration vibrator. In addition, it has good adhesion to concrete and water hardly penetrates. In addition, since there is no iron material in the so-called fogging portion of the reinforcing bar, corrosion such as rust does not occur.
【００１７】しかも、本考案スペーサーの取付けは係止
具先端の弯曲部を鉄筋をかけるだけでよいので、作業性
が向上するのみでなく、鉄筋径の大小にかかわらず、総
ての補強用鉄筋に適用できる。Moreover, the mounting of the spacer according to the present invention is only required to attach a reinforcing bar to the curved portion at the tip of the locking member, so that not only the workability is improved, but also all reinforcing reinforcing bars regardless of the diameter of the reinforcing bar. Applicable to
【図１】本考案のスペーサーを示す斜視図である。FIG. 1 is a perspective view showing a spacer of the present invention.
【図２】本考案のスペーサーの係止具を示す斜視図であ
る。FIG. 2 is a perspective view showing the spacer locking device of the present invention.
【図３】本考案のスペーサーを径の小さい鉄筋に装着し
たときの立断面図である。FIG. 3 is a vertical sectional view when the spacer of the present invention is mounted on a reinforcing bar having a small diameter.
【図４】本考案のスペーサーを径の大きい鉄筋に装着し
たときの立断面図である。FIG. 4 is a vertical sectional view when the spacer of the present invention is mounted on a reinforcing bar having a large diameter.
１…スペーサー本体、２…コンクリート打設用凹部、３
…鉄筋取付け用凹部、４…係止具嵌入用小孔、５…係止
具、６…係止具バネ部、７…主鉄筋、８…補助鉄筋、９
…側型枠面、１０…底型枠面。1 ... spacer body, 2 ... recess for concrete casting, 3
... recess for attaching a reinforcing bar, 4 ... a small hole for fitting a lock, 5 ... lock, 6 ... spring of a lock, 7 ... main rebar, 8 ... auxiliary rebar, 9
... side mold surface, 10 ... bottom mold surface.
───────────────────────────────────────────────────── フロントページの続き (72)考案者 千葉 司 埼玉県熊谷市大字肥塚559−７ (72)考案者 伊藤 彰彦 埼玉県東松山市六反町３−６ (72)考案者 松田 正人 埼玉県東松山市大字岡1871 (72)考案者 田村 憲一 東京都板橋区双葉町３番４号 三信技研 株式会社内 (72)考案者 石井 公雄 埼玉県熊谷市大字平戸2409 (56)参考文献 実開 昭62−160026（ＪＰ，Ｕ) 実開 平４−24915（ＪＰ，Ｕ) 実開 平４−113655（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.6，ＤＢ名) E04C 5/20 E04G 17/06 E04G 21/12 ──────────────────────────────────────────────────続 き Continuing on the front page (72) The creator, Tsukasa Chiba, 559-7 Hizuka, Tsukiya, Kumagaya-shi, Saitama (72) The creator, Akihiko Ito 3-6, Rokutancho, Higashi-Matsuyama, Saitama (72) The creator, Masato Matsuda 1871 Oka Oka (72) Inventor Kenichi Tamura 3-4 Futabacho, Itabashi-ku, Tokyo Sanshin Giken Co., Ltd. (72) Inventor Kimio Ishii 2409 Hirado, Kumagaya-shi, Saitama Prefecture (56) References (JP, U) JP-A-4-24915 (JP, U) JP-A-4-113655 (JP, U) (58) Fields investigated (Int.Cl. 6 , DB name) E04C 5/20 E04G 17 / 06 E04G 21/12
Claims (1)
て二等辺三角形状であり、各辺の中央部に凹みを設けた
本体と、弾性復元力の大きい鋼線でつくられ先端が弯曲
している係止具とからなり、係止具は本体の底辺側の二
つの頂点近くの対称の位置の同じ面に本体に二個埋め込
まれており、先端の弯曲部で装着しようとする補強用鉄
筋に直交する鉄筋に係止されるスペーサー。1. A is an isosceles triangle shape is formed of fiber reinforced high strength mortar, a body having a recess in a central portion of each side, the tip is made of large steel wire elastic restoring force and curved Two locking devices are embedded in the main body on the same surface at symmetrical positions near the two vertices on the bottom side of the main body, and the reinforcing iron that is to be attached at the curved portion at the tip
Spacer that is locked to a reinforcing bar perpendicular to the bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993001791U JP2598811Y2 (en) | 1993-01-27 | 1993-01-27 | spacer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993001791U JP2598811Y2 (en) | 1993-01-27 | 1993-01-27 | spacer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0744539U JPH0744539U (en) | 1995-11-21 |
| JP2598811Y2 true JP2598811Y2 (en) | 1999-08-23 |
Family
ID=11511405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1993001791U Expired - Fee Related JP2598811Y2 (en) | 1993-01-27 | 1993-01-27 | spacer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2598811Y2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001282250A (en) * | 2000-03-31 | 2001-10-12 | Taiheiyo Cement Corp | Vibration isolating function material made of concrete |
| JP3609369B2 (en) * | 2001-11-12 | 2005-01-12 | 株式会社アイ・アイ・ピー | Spacer block for reinforced concrete structures |
| US11098488B2 (en) | 2017-09-28 | 2021-08-24 | Toyoda Architects Office | Rebar spacer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62160026U (en) * | 1986-04-01 | 1987-10-12 | ||
| JPH0424915U (en) * | 1990-06-22 | 1992-02-28 |
-
1993
- 1993-01-27 JP JP1993001791U patent/JP2598811Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0744539U (en) | 1995-11-21 |
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