JP2005133300A - Reinforcement anchorage device - Google Patents

Reinforcement anchorage device Download PDF

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Publication number
JP2005133300A
JP2005133300A JP2003367007A JP2003367007A JP2005133300A JP 2005133300 A JP2005133300 A JP 2005133300A JP 2003367007 A JP2003367007 A JP 2003367007A JP 2003367007 A JP2003367007 A JP 2003367007A JP 2005133300 A JP2005133300 A JP 2005133300A
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Japan
Prior art keywords
screw
reinforcing bar
cylindrical portion
screwed
fixing tool
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JP2003367007A
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Kazumi Kawabata
一三 川端
Takeyoshi Korenaga
健好 是永
Kazuhiro Kaneda
和浩 金田
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Taisei Corp
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Taisei Corp
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Priority to JP2003367007A priority Critical patent/JP2005133300A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a reinforcement anchorage device which is simple in structure and positively anchors a screw-knotted reinforcement. <P>SOLUTION: The reinforcement anchorage device 10 is formed of a main base body 11 and a bolt 15. The main base body 11 has a cylinder portion 12 which has internal thread portions 12 formed in an internal peripheral surface thereof, in a manner being screwed onto an end of the screw-knotted reinforcement R, and an anchorage portion 13 which blocks one end of the cylinder portion, extends in a radial direction of the cylinder portion, and has a through screw hole 13a formed therein so as to reach the cylinder portion. The bolt 5 is screwed into the through screw hole in order to abut its tip on an end face of the screw-knotted reinforcement. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、鉄筋コンクリート構造物の梁部材や柱部材等の内部に配筋される鉄筋の端部に固定され、当該梁部材や柱部材等における鉄筋端部の定着強度を高めるために用いられる鉄筋定着具に関する。   The present invention relates to a reinforcing bar which is fixed to an end of a reinforcing bar arranged inside a beam member, a column member or the like of a reinforced concrete structure and is used to increase the fixing strength of the reinforcing bar end of the beam member or the column member. It relates to a fixing tool.

従来、前記と同様の目的を達成するための鉄筋定着具としては、図５に示す構造のものが提案されている。この鉄筋定着具８０は、ネジ節鉄筋Ｒ’の端部に螺着される筒部８１と、当該筒部８１の一端に設けられたベース８２（定着部）とから形成されている。この筒部８１は、雌ネジ孔８１ａを有し、ネジ節鉄筋Ｒ’に螺着可能となるよう形成されている。そして、ベース８２の中央部にはグラウト注入孔８２ａが設けられており、筒部８２の雌ネジ孔８１ａの内面とネジ節鉄筋Ｒ’の外面との間の間隙８４に連結剤が注入できるよう構成されている。なお、符号８３は、ベースの内側に突設されている係止凸部である（特許文献１）。   Conventionally, as a reinforcing bar fixing tool for achieving the same object as described above, one having a structure shown in FIG. 5 has been proposed. The reinforcing bar fixing tool 80 is formed of a cylindrical portion 81 that is screwed to an end portion of the threaded reinforcing bar R ′, and a base 82 (fixing portion) provided at one end of the cylindrical portion 81. The cylindrical portion 81 has a female screw hole 81a and is formed so as to be screwable to the screw joint reinforcing bar R '. A grout injection hole 82a is provided in the central portion of the base 82 so that the connecting agent can be injected into the gap 84 between the inner surface of the female screw hole 81a of the cylindrical portion 82 and the outer surface of the screw joint rebar R ′. It is configured. Reference numeral 83 denotes a locking projection that protrudes inside the base (Patent Document 1).

特開平１０−１５９２５７号公報（［０００８］―［００２０］，図１−図１１）Japanese Patent Laid-Open No. 10-159257 ([0008]-[0020], FIGS. 1 to 11)

しかし、前記鉄筋定着具８０は、ネジ節鉄筋Ｒ’との間における間隙８４が存在することにより、いわゆる「がたつき」が生じるため、グラウト注入孔８２ａから連結剤を充填して、当該がたつきを防止させているが、当該作業は非常に煩雑であるという問題点があった。
また、前記間隙８４が狭い場合には、連結剤を充分に充填することができずにがたつきが防止できないことがあり、一方、前記間隙８４が広すぎる場合には、充分な螺合強度を確保することができなくなる。従って、前記雌ネジ孔８１ａの内面とネジ節鉄筋Ｒ’の外面との間の間隙寸法の設定が非常に難しいという問題点もあった。 However, since the rebar fixing tool 80 has a so-called “rattle” due to the presence of the gap 84 between the threaded joint rebar R ′, the reinforcing agent 80 is filled with a connecting agent from the grout injection hole 82a. Although the rattling is prevented, there is a problem that the work is very complicated.
In addition, when the gap 84 is narrow, the coupling agent cannot be sufficiently filled and rattling may not be prevented. On the other hand, when the gap 84 is too wide, sufficient screwing strength is obtained. Can not be secured. Accordingly, there is a problem in that it is very difficult to set the dimension of the gap between the inner surface of the female screw hole 81a and the outer surface of the screw joint rebar R ′.

本発明は、前記の各問題点を解決するためになされたものであり、簡易な構造で確実にネジ節鉄筋を定着させることが可能となる鉄筋定着具を提供することを目的とする。   The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a reinforcing bar fixing tool capable of reliably fixing a screw joint reinforcing bar with a simple structure.

前記課題を解決するために、本発明の鉄筋定着具（第１発明）は、ネジ節鉄筋の端部に螺合するネジ部（ネジ孔）が内周に形成されている筒部、及び、前記筒部の一端を閉塞し、前記筒部の径方向に延出しているとともに、前記筒部に至る貫通ネジ孔が形成されている定着部を有する本体基体と、前記貫通ネジ孔に螺設されている、前記ネジ節鉄筋の端面部にその先端を当接させるためのボルト部材と、を備えていることを特徴としている。   In order to solve the above-mentioned problem, the reinforcing bar fixing device of the present invention (first invention) includes a cylindrical portion in which a screw portion (screw hole) screwed into an end portion of a screw joint reinforcing bar is formed on the inner periphery, and One end of the cylinder part is closed, and a main body base having a fixing part that extends in the radial direction of the cylinder part and has a through screw hole reaching the cylinder part, and is screwed into the through screw hole And a bolt member for abutting the tip of the threaded reinforcing bar on the end face of the screw joint reinforcing bar.

また、本発明の鉄筋定着具（第２発明）は、ネジ節鉄筋の端部に螺合するネジ部が内周に形成されている筒部、及び、前記筒部の一端を閉塞するとともに、前記筒部の径方向に延出している定着部を有する本体基体と、前記筒部の先端部において前記ネジ節鉄筋と螺合して、前記筒部に前記ネジ節鉄筋を定着させるネジ孔部を有するナット部材と、を備えていることを特徴としている。   Further, the reinforcing bar fixing tool of the present invention (second invention) has a cylindrical portion in which a screw portion that is screwed into an end portion of the screw joint reinforcing rod is formed on the inner periphery, and closes one end of the cylindrical portion, A main body base having a fixing portion extending in a radial direction of the cylindrical portion, and a screw hole portion that is screwed with the screw reinforcing bar at a tip portion of the cylindrical portion to fix the screw reinforcing bar to the cylindrical portion. The nut member which has this.

ここで、前記本体基体の定着部には、前記筒部に至る貫通ネジ孔が形成されており、かつ、前記貫通ネジ孔に螺設されている、前記ネジ節鉄筋の端面部にその先端を当接させるためのボルト部材を有している構造であってもよい。   Here, the fixing portion of the main body base is formed with a through screw hole reaching the tube portion, and the tip is attached to the end surface portion of the screw joint reinforcing bar screwed into the through screw hole. The structure which has the bolt member for making it contact | abut may be sufficient.

また、前記鉄筋定着具において、前記ナット部材の前記ネジ孔部における軸の軸心と、前記筒部の前記ネジ部における軸の軸心とは、互いに異なる軸を軸心とするように形成されている構成とすれば、以下の点で好適である。すなわち、前記ナット部材が、筒部の軸心とは異なる軸の軸心を有するように形成されている構成とすれば、ナット部材に通常の締結力を作用させた場合には、当該ナット部材と筒部は一部分でしか接触しない。しかし、さらに締結力を加えると、ナット部材が弾性変形することにより、筒部とナット部材が全面で接触し、当該ナット部材の復元力により両者が強固に定着されるという効果が発揮される。   Further, in the reinforcing bar fixing tool, the shaft center of the screw hole portion of the nut member and the shaft center of the shaft portion of the screw portion of the cylinder portion are formed so as to have different shafts as axes. If it is set as the structure, it is suitable at the following points. That is, if the nut member is configured to have an axis center different from the axis of the cylinder portion, when a normal fastening force is applied to the nut member, the nut member And the cylinder part contacts only partly. However, when the fastening force is further applied, the nut member is elastically deformed, so that the tubular portion and the nut member are brought into contact with each other, and the restoring force of the nut member firmly fixes both.

さらに、前記鉄筋定着具において、前記筒部と前記ナット部材との間に、両者より硬度が高い座金部材が介設されていることとすれば、さらに、ネジ節鉄筋と鉄筋定着具とを確実に定着させることができる。   Further, in the reinforcing bar fixing tool, if a washer member having a hardness higher than both is interposed between the tube portion and the nut member, the screw joint reinforcing bar and the reinforcing bar fixing tool can be securely connected. Can be fixed.

本発明（第１発明）によれば、本体基体における筒部のネジ部にネジ節鉄筋の端部を螺合させ、定着部の貫通ネジ孔にネジ部材を螺入して、前記ネジ節鉄筋の端面部に、その先端を当接させることにより、ネジ節鉄筋を鉄筋定着具に確実に定着させることができる。従って、連結剤等の注入が不要となり、施工費用の低減を図ることが可能となる。   According to the present invention (the first invention), the end of the screw rebar is screwed into the thread portion of the cylindrical portion of the main body base, and the screw member is screwed into the through screw hole of the fixing portion. By bringing the tip into contact with the end face portion of the screw, the screw joint reinforcing bar can be reliably fixed to the reinforcing bar fixing tool. Accordingly, it is not necessary to inject a linking agent or the like, and the construction cost can be reduced.

また、本発明（第２発明）によれば、本体基体における筒部の先端部にナット部材によりネジ節鉄筋を固定させることで、ネジ節鉄筋を鉄筋定着具に容易かつ確実に定着させることができる。   Further, according to the present invention (second invention), the screw joint reinforcing bar can be easily and reliably fixed to the reinforcing bar fixing tool by fixing the screw joint reinforcing bar to the distal end portion of the cylindrical portion of the main body base by the nut member. it can.

本発明を実施するための最良の一形態（以下「実施形態」という」について、図面を参照して詳細に説明する。なお、各実施形態の説明において、同一の構成要素に関しては同一の符号を付し、重複した説明は省略する。   The best mode for carrying out the present invention (hereinafter referred to as “embodiment”) will be described in detail with reference to the drawings. A duplicate description will be omitted.

［第１実施形態］
図１及び図２に示すように、本発明の鉄筋定着具１０（第１実施形態）は、本体基体１１と、ボルト１５（ボルト部材）とから形成されている。
本体基体１１は、筒部１２と定着部１３（フランジ部）から形成されている。筒部１２は六角柱形状であり、ネジ節鉄筋Ｒの端部における周面のネジ節Ｒ２と螺合する雌ネジ部１２ａ（ネジ孔）が内周に形成されている。そして、前記雌ネジ部１２ａは、ネジ節鉄筋Ｒが螺入された場合に、当該ネジ節鉄筋Ｒの先端の端面部Ｒ１に、ボルト１５の先端部１５ａが突出した状態で当該ボルト１５が嵌入されうるように、その基端部に空間部１２ｂが設けられるように形成されている。 [First Embodiment]
As shown in FIG.1 and FIG.2, the reinforcing bar fixing tool 10 (1st Embodiment) of this invention is formed from the main body base | substrate 11 and the volt | bolt 15 (bolt member).
The main body base 11 is formed of a cylindrical portion 12 and a fixing portion 13 (flange portion). The cylindrical portion 12 has a hexagonal column shape, and a female screw portion 12a (screw hole) that is screwed with the screw node R2 on the peripheral surface at the end portion of the screw joint reinforcing bar R is formed on the inner periphery. When the screw joint rebar R is screwed in, the female screw portion 12a is inserted into the end face R1 of the tip of the screw joint rebar R with the bolt 15 being protruded. As can be seen, the base portion is formed with a space 12b.

前記筒部１２の基端部１２ｃには、雌ネジ部１２ａを閉塞するとともに、前記筒部１２より拡径して径方向に延出している円板状の定着部１３が設けられている。この定着部１３の中央部には、雌ネジ部１２ａに至る貫通雌ネジ孔１３ａが形成されており、ボルト１５が螺入可能となっている。
そして、ネジ節鉄筋Ｒを定着させた場合には、前記ボルト１５は、外側方向から貫通雌ネジ孔１３ａに螺入されており、当該先端部１５ａが筒部１２の空間部１２ｂに突出して、当該ネジ節鉄筋Ｒの端面部Ｒ１と当接した状態となっている。
なお、本実施形態ではボルト１５を六角ボルトとしたが、その種類に制限はない。例えば、頭部が円形状に形成され、「＋」又は「−」のねじ溝が形成されているものであってもよい。 The base end portion 12c of the cylindrical portion 12 is provided with a disk-shaped fixing portion 13 that closes the female screw portion 12a and expands in diameter from the cylindrical portion 12 and extends in the radial direction. A through female screw hole 13a reaching the female screw portion 12a is formed at the center of the fixing portion 13, and a bolt 15 can be screwed into the fixing portion 13.
When the screw rebar R is fixed, the bolt 15 is screwed into the through female screw hole 13a from the outer side, and the tip portion 15a protrudes into the space portion 12b of the cylindrical portion 12, It is in a state of being in contact with the end surface portion R1 of the threaded reinforcing bar R.
In the present embodiment, the bolt 15 is a hexagonal bolt, but the type is not limited. For example, the head may be formed in a circular shape and a “+” or “−” thread groove may be formed.

続いて、ネジ節鉄筋Ｒを前記鉄筋定着具１０に定着させる方法について説明する。
まず、鉄筋定着具１０の本体基体１１における筒部１２をネジ節鉄筋Ｒの端部に螺合させ、当該鉄筋定着具１０を締め付ける。そして、貫通雌ネジ孔１３ａに、本体基体１１における定着部１３の外側からボルト１５を螺入し、当該筒部１２の空間部１２ｂにおいて、ネジ節鉄筋Ｒの端面部Ｒ１に当接するまで締結力を加える。その結果、ネジ節鉄筋Ｒは、筒部１２により径方向に拘束されるとともに、ボルト１５の先端部から加えられる押圧力により固定されることになる。 Next, a method for fixing the screw rebar R to the reinforcing bar fixing tool 10 will be described.
First, the cylindrical portion 12 of the main body base 11 of the reinforcing bar fixing tool 10 is screwed into the end portion of the screw joint reinforcing bar R, and the reinforcing bar fixing tool 10 is tightened. Then, the bolt 15 is screwed into the through female screw hole 13a from the outside of the fixing portion 13 in the main body base 11, and the fastening force is applied until the space portion 12b of the cylindrical portion 12 contacts the end surface portion R1 of the screw joint rebar R. Add As a result, the screw rebar R is restrained in the radial direction by the cylindrical portion 12 and is fixed by the pressing force applied from the tip portion of the bolt 15.

従って、本発明によれば、ネジ節鉄筋Ｒを鉄筋定着具１０に確実に定着させることができる接合構造を実現できるため、連結剤等の注入が不要となり、施工費用の低減を図ることが可能となる。   Therefore, according to the present invention, since it is possible to realize a joint structure that can reliably fix the screw joint reinforcing bar R to the reinforcing bar fixing tool 10, it is not necessary to inject a coupling agent or the like, and it is possible to reduce the construction cost. It becomes.

［第２実施形態］
図３に示すように、本発明の鉄筋定着具２０（第２実施形態）は、本体基体２１と、ロックナット２５（ナット部材）と、前記本体基体２１の筒部２２とロックナット２５の間に介装されている座金２６と、から形成されている。
本体基体２１は、筒部２２と定着部２３から形成されている。筒部２２は六角柱形状であり、ネジ節鉄筋Ｒの端部における周面のネジ節Ｒ２と螺合する雌ネジ部２２ａ（ネジ孔）が内周に形成されている。 [Second Embodiment]
As shown in FIG. 3, the reinforcing bar fixing device 20 (second embodiment) of the present invention includes a main body base 21, a lock nut 25 (nut member), and a cylindrical portion 22 of the main body base 21 and the lock nut 25. And a washer 26 interposed therebetween.
The main body base 21 is formed of a cylindrical portion 22 and a fixing portion 23. The cylindrical portion 22 has a hexagonal column shape, and a female screw portion 22a (screw hole) that is screwed with the screw node R2 on the peripheral surface at the end portion of the screw joint reinforcing bar R is formed on the inner periphery.

前記筒部２２の基端部２２ｃには、雌ネジ部２２ａを閉塞するとともに、前記筒部２２より拡径して径方向に延出している円板状の定着部２３が設けられている。
また、前記筒部２２の先端部２２ｄには、ネジ節鉄筋Ｒを定着させるためのロックナット２５が設けられている。このロックナット２５は六角柱形状であり、ネジ節鉄筋Ｒの端部における周面のネジ節と螺合する雌ネジ孔部２５ａが内周に形成されており、当該ネジ節鉄筋Ｒを定着させた場合には、前記筒部２２の先端部２２ｄと座金２６の一方の端面、及び、当該座金２６の他方の端面とロックナット２５の端面とが当接するようになっている。 The base end portion 22c of the cylindrical portion 22 is provided with a disk-shaped fixing portion 23 that closes the female screw portion 22a and expands in diameter from the cylindrical portion 22 and extends in the radial direction.
A lock nut 25 for fixing the screw rebar R is provided at the distal end portion 22 d of the cylindrical portion 22. The lock nut 25 has a hexagonal column shape, and has a female screw hole portion 25a that is screwed with a screw node on a peripheral surface at an end portion of the screw joint reinforcing bar R, so that the screw joint reinforcing bar R is fixed. In this case, the tip 22d of the cylindrical portion 22 and one end face of the washer 26, and the other end face of the washer 26 and the end face of the lock nut 25 are brought into contact with each other.

さらに、図４に示すように、前記ロックナット２５の雌ネジ孔部２５ａにおける軸ｐの軸心と、前記筒部２２の雌ネジ部２２ａにおける軸ｑの軸心とは、互いに異なる軸を軸心とするように形成されている。すなわち、筒部２２の雌ネジ部２２ａは、その中心部を通り、定着部２３に垂直となる軸ｑを有しているが、ロックナット２５の雌ネジ孔部２５ａの軸ｐは、その中心部を通り端面に対して若干傾斜するように（螺合時に前記筒部２２の軸ｐに対して若干傾斜するように）形成されている（筒部２２の雌ネジ部２２ａは、定着部２３に対して垂直方向に形成されているが、ロックナット２５の雌ネジ孔部２５ａは、端面に対して垂直方向でなく、若干傾斜する向きに形成されている）。そのため、ネジ節鉄筋Ｒは、定着部２３に対して垂直となるように、筒部２２の雌ネジ部２２ａに螺入されることになるが、ロックナット２５の両端面に対しては、垂直ではなく、若干傾斜を有した状態で螺入されることになる。   Further, as shown in FIG. 4, the shaft center of the shaft p in the female screw hole portion 25 a of the lock nut 25 and the shaft center of the shaft q of the female screw portion 22 a of the cylindrical portion 22 are different from each other. It is shaped to be a heart. That is, the female screw portion 22a of the cylindrical portion 22 has an axis q that passes through the central portion and is perpendicular to the fixing portion 23, but the axis p of the female screw hole portion 25a of the lock nut 25 is the center thereof. It is formed so as to be slightly inclined with respect to the end surface through the portion (to be slightly inclined with respect to the axis p of the cylindrical portion 22 when screwed) (the female screw portion 22a of the cylindrical portion 22 is fixed to the fixing portion 23). However, the female screw hole portion 25a of the lock nut 25 is formed not in a direction perpendicular to the end face but in a slightly inclined direction). Therefore, the screw rebar R is screwed into the female screw portion 22a of the cylindrical portion 22 so as to be perpendicular to the fixing portion 23, but perpendicular to both end faces of the lock nut 25. Instead, it is screwed in with a slight inclination.

続いて、ネジ節鉄筋Ｒを前記鉄筋定着具２０に定着させる方法について説明する。
まず、鉄筋定着具２０における基体本体２１の筒部２２及びロックナット２５をネジ節鉄筋Ｒの端部に螺合させ、当該鉄筋定着具２０及びロックナット２５を締め付ける。その結果、ネジ節鉄筋Ｒは、筒部２２及びロックナット２５により拘束されることになる。
また、ロックナット２５は、筒部２２の軸心とは別の異なる軸の軸心を有するように形成されているため、締結力を加えた場合に当該ロックナット２５が弾性変形して座金２６と当接することになり、その際のロックナット２５の復元力により両者が強固に定着されるという効果が発揮される。 Next, a method of fixing the screw joint reinforcing bar R to the reinforcing bar fixing tool 20 will be described.
First, the cylindrical portion 22 and the lock nut 25 of the base body 21 in the reinforcing bar fixing tool 20 are screwed into the end portions of the threaded reinforcing bar R, and the reinforcing bar fixing tool 20 and the lock nut 25 are tightened. As a result, the screw joint reinforcing bar R is restrained by the cylindrical portion 22 and the lock nut 25.
Further, the lock nut 25 is formed so as to have an axis different from the axis of the cylindrical portion 22, so that when the fastening force is applied, the lock nut 25 is elastically deformed and the washer 26. This brings about an effect that both are firmly fixed by the restoring force of the lock nut 25 at that time.

以上、本発明について、好適な実施形態についての一例を説明したが、本発明は当該実施形態に限られず、本発明の趣旨を逸脱しない範囲で適宜設計変更が可能である。特に、本体基体、ボルト部材、ナット部材の材質や形状等に制限はないことは言うまでもない。   As mentioned above, although an example about a suitable embodiment was explained about the present invention, the present invention is not restricted to the embodiment concerned, and a design change is possible suitably in the range which does not deviate from the meaning of the present invention. In particular, it goes without saying that there are no restrictions on the material and shape of the main body, bolt member, and nut member.

本発明の鉄筋定着具（第１実施形態）をネジ節鉄筋に定着させた状態を示す斜視図である。It is a perspective view which shows the state which fixed the reinforcing bar fixing tool (1st Embodiment) of this invention to the screw joint. 本発明の鉄筋定着具（第１実施形態）をネジ節鉄筋に定着させた状態を示す側断面図である。It is a sectional side view which shows the state which fixed the reinforcing bar fixing tool (1st Embodiment) of this invention to the screw joint. 本発明の鉄筋定着具（第２実施形態）をネジ節鉄筋に定着させた状態を示す側断面図である。It is a sectional side view which shows the state which fixed the reinforcing bar fixing tool (2nd Embodiment) of this invention to the screw joint. 本発明の鉄筋定着具（第２実施形態）を示す側断面図である。It is a sectional side view which shows the reinforcing bar fixing tool (2nd Embodiment) of this invention. 従来の鉄筋定着具をネジ節鉄筋に定着させた状態を示す側断面図である。It is a sectional side view which shows the state which fixed the conventional reinforcing bar fixing tool to the screw joint.

符号の説明Explanation of symbols

１０，２０ 鉄筋定着具
１１，２１ 本体基体
１２，２２ 筒部
１２ａ，２２ａ 雌ネジ部
１３，２３ 定着部
１３ａ 貫通雌ネジ孔
１５ ボルト（ボルト部材）
２５ ロックナット
２５ａ 雌ネジ孔部
ｐ，ｑ 軸
Ｒ ネジ節鉄筋 DESCRIPTION OF SYMBOLS 10,20 Rebar fixing tool 11,21 Main body base | substrate 12,22 Tube part 12a, 22a Female thread part 13,23 Fixing part 13a Through female screw hole 15 Bolt (bolt member)
25 Lock nut 25a Female thread hole p, q axis R Threaded bar

Claims (4)

ネジ節鉄筋の端部に螺合するネジ部が内周に形成されている筒部、及び、
前記筒部の一端を閉塞し、前記筒部の径方向に延出しているとともに、前記筒部に至る貫通ネジ孔が形成されている定着部を有する本体基体と、
前記貫通ネジ孔に螺設されている、前記ネジ節鉄筋の端面部にその先端を当接させるためのボルト部材と、
を備えていることを特徴とする鉄筋定着具。 A cylindrical portion formed on the inner periphery of a screw portion to be screwed into an end portion of the screw rebar, and
A main body base having a fixing portion that closes one end of the cylindrical portion, extends in the radial direction of the cylindrical portion, and has a through screw hole reaching the cylindrical portion;
A bolt member screwed in the through screw hole, and abutting the tip of the screw joint reinforcing bar on the end surface portion;
Reinforcing bar fixing tool characterized by comprising. ネジ節鉄筋の端部に螺合するネジ部が内周に形成されている筒部、及び、
前記筒部の一端を閉塞するとともに、前記筒部の径方向に延出している定着部を有する本体基体と、
前記筒部の先端部において前記ネジ節鉄筋と螺合して、前記筒部に前記ネジ節鉄筋を定着させるネジ孔部を有するナット部材と、
を備えていることを特徴とする鉄筋定着具。 A cylindrical portion formed on the inner periphery of a screw portion to be screwed into an end portion of the screw rebar, and
A main body base having a fixing portion that closes one end of the cylindrical portion and extends in a radial direction of the cylindrical portion;
A nut member having a screw hole portion that is screwed with the screw joint reinforcing bar at a tip portion of the tubular portion and fixes the screw joint reinforcing rod to the tubular portion;
Reinforcing bar fixing tool characterized by comprising. 前記ナット部材の前記ネジ孔部における軸の軸心と、前記筒部の前記ネジ部における軸の軸心とは、互いに異なる軸を軸心とするように形成されていることを特徴とする請求項２に記載の鉄筋定着具。   The shaft center of the shaft in the screw hole portion of the nut member and the shaft center of the shaft in the thread portion of the tube portion are formed so as to have different shafts as axes. Item 3. A reinforcing bar fixing tool according to item 2. 前記筒部と前記ナット部材との間に座金部材が介設されていることを特徴とする請求項２又は請求項３に記載の鉄筋定着具。   The reinforcing bar fixing tool according to claim 2 or 3, wherein a washer member is interposed between the cylindrical portion and the nut member.
JP2003367007A 2003-10-28 2003-10-28 Reinforcement anchorage device Pending JP2005133300A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003367007A JP2005133300A (en) 2003-10-28 2003-10-28 Reinforcement anchorage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003367007A JP2005133300A (en) 2003-10-28 2003-10-28 Reinforcement anchorage device

Publications (1)

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009114729A (en) * 2007-11-06 2009-05-28 Daiwa Steel Corp Threaded reinforcement anchor plate and anchoring structure
TWI809329B (en) * 2020-11-20 2023-07-21 恕如 林 Bar anchoring system and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009114729A (en) * 2007-11-06 2009-05-28 Daiwa Steel Corp Threaded reinforcement anchor plate and anchoring structure
TWI809329B (en) * 2020-11-20 2023-07-21 恕如 林 Bar anchoring system and method

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