JPH0643315Y2 - Steel rod connector - Google Patents
Steel rod connectorInfo
- Publication number
- JPH0643315Y2 JPH0643315Y2 JP6866589U JP6866589U JPH0643315Y2 JP H0643315 Y2 JPH0643315 Y2 JP H0643315Y2 JP 6866589 U JP6866589 U JP 6866589U JP 6866589 U JP6866589 U JP 6866589U JP H0643315 Y2 JPH0643315 Y2 JP H0643315Y2
- Authority
- JP
- Japan
- Prior art keywords
- steel rod
- segment
- tapered surface
- tip
- rod insertion
- 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
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は鉄筋、タイロッド等の鋼棒を連結する鋼棒接続
具に関する。[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a steel rod connector for connecting steel rods such as reinforcing bars and tie rods.
従来、鉄筋、タイロッド等の鋼棒相互を接続する方法と
して、その鋼棒の両端を熔接する方法、両端部に雌ねじ
を刻設したカプラを用い、これに鋼棒の端部をねじ込む
方法、筒状のカプラに鋼棒の端部を挿入してかしめる方
法、筒状のカプラ内に鋼棒の端部を挿入してテルミット
反応により接続する方法等がある。Conventionally, as a method of connecting steel rods such as reinforcing bars and tie rods, a method of welding both ends of the steel rod, a method of using a coupler with engraved female threads at both ends and screwing the ends of the steel rod into this, a cylinder There is a method of inserting the end of a steel rod into a cylindrical coupler and caulking it, and a method of inserting the end of a steel rod into a tubular coupler and connecting by a thermite reaction.
前記従来の各接続方法は、ねじ込み操作や接続具以外の
治具等を必要とし、現場での接続作業が面倒であり、特
に狭い空間での接続作業が困難であった。Each of the conventional connection methods requires a screwing operation, a jig other than the connecting tool, and the connection work on site is troublesome, and the connection work particularly in a narrow space is difficult.
そこで本考案は、現場で容易に接続作業ができる鋼棒接
続具を提案することを目的とするものである。Then, this invention aims at proposing a steel rod connector which can be easily connected on site.
本考案は前記の問題点を解決するために第１の考案は先
端に鋼棒挿入口（7a）を有し先部内周面を先端から奥に
向って拡開するテーパ面（８）とした有底状の鋼棒挿入
孔（７）と、前記テーパ面（８）の周方向に分割すると
共にそのテーパ面（８）に沿って軸方向に摺動可能に配
設されたセグメント（10）と、該セグメント（10）の内
周面に刻設した係合歯（10a）と、該セグメント（10）
をテーパ面（８）の小径側に押圧するスプリング（12）
とからなる接続体Ａを複数個、その後端部相互を連結し
て構成したことを特徴とするもので、第２考案は前記鋼
棒挿入穴（７）の底部に、挿入される鋼棒を押し戻すよ
うに作用するスプリング（20）を内設したことを特徴と
するもので、第３の考案は前記セグメント（10）の内周
面に刻設した係合歯（10b）を雌ねじとしたもので、第
４の考案では前記複数個の接続体Ａを直線的又は直交的
に連結したものである。In order to solve the above-mentioned problems, the present invention has a steel rod insertion opening (7a) at the tip and a tapered surface (8) that widens the inner peripheral surface of the tip from the tip to the inside. A bottomed steel rod insertion hole (7) and a segment (10) which is divided in the circumferential direction of the tapered surface (8) and is slidable in the axial direction along the tapered surface (8). An engaging tooth (10a) engraved on the inner peripheral surface of the segment (10), and the segment (10)
Spring (12) that presses the taper surface (8) toward the smaller diameter side
According to the second invention, a steel rod to be inserted is provided at the bottom of the steel rod insertion hole (7). The third invention is characterized in that a spring (20) that acts to push back is internally provided, and the third invention is that the engaging tooth (10b) engraved on the inner peripheral surface of the segment (10) is a female screw. In the fourth invention, the plurality of connecting bodies A are connected linearly or orthogonally.
接続すべき鋼棒13,14の接続側先端を鋼棒挿入口７より
押圧的に差し込むと、各セグメント10は鋼棒に押圧され
てテーパ面８の大径側である奥部へ移動し、各セグメン
ト10で構成される係合歯10bの内径が鋼棒の外径より拡
大する。そのため、鋼棒の接続先部を鋼棒挿入孔７の奥
部まで挿入できる。そして挿入後はスプリング12の荷重
によってセグメント10がテーパ面８の小径側へ押され、
その係合歯10bが鋼棒の外周面に噛合的に係合し、鋼棒
の外脱を阻止する。When the connecting-side tips of the steel rods 13 and 14 to be connected are pressed into the steel rod insertion opening 7, each segment 10 is pressed by the steel rod and moves to the inner side, which is the large diameter side of the tapered surface 8, The inner diameter of the engaging tooth 10b formed by each segment 10 is larger than the outer diameter of the steel rod. Therefore, the connection end portion of the steel rod can be inserted to the inner portion of the steel rod insertion hole 7. After insertion, the segment 10 is pushed toward the small diameter side of the tapered surface 8 by the load of the spring 12,
The engaging teeth 10b mesh with the outer peripheral surface of the steel rod to prevent the steel rod from coming off.
次に第１図乃至第６図に示す本考案の第１実施例につい
て説明する。１は両端が開口した円筒状の継手ケース
で、その内部中央に画壁２が形成され、該画壁２を中心
としてその前後の内周面に雌ねじ3,4が刻設されてい
る。５はナットからなる前側ケースで、その外周に雄ね
じ６が刻設され、該雄ねじ６を前記雌ねじ３に螺合して
該前側ケース５が継手ケース１に固着されている。７は
前側ケース５に形成した鋼棒挿入孔で、先端に鋼棒挿入
口7aが形成されている。鋼棒挿入孔７の先部内周面は、
鋼棒挿入口7aから奥部に向って拡開する円錐台形状のテ
ーパ面８に形成されている。９は前記テーパ面８部にお
いて軸方向に一体形成した案内爪で、第２図に示す如
く、周方向に対して３等分間隔で設けられている。10は
セグメントで第２図に示す如く、前記案内爪９の相互間
に位置して３個配設されていると共に該セグメント10の
外周面10aはテーパ面８に沿ったテーパ面に形成され、
テーパ面８に沿って軸方向に摺動可能に配置されてい
る。更にその内周面には雌ねじからなる係合歯10bが形
成されている。Next, a first embodiment of the present invention shown in FIGS. 1 to 6 will be described. Reference numeral 1 denotes a cylindrical joint case having both ends opened, and a drawing wall 2 is formed at the center of the inside thereof, and female screws 3 and 4 are engraved on the front and rear inner peripheral surfaces of the drawing wall 2 as a center. Reference numeral 5 denotes a front case made of a nut, and a male screw 6 is engraved on the outer periphery thereof, and the male screw 6 is screwed onto the female screw 3 to fix the front case 5 to the joint case 1. Reference numeral 7 is a steel rod insertion hole formed in the front case 5, and a steel rod insertion port 7a is formed at the tip. The inner peripheral surface of the tip of the steel rod insertion hole 7 is
It is formed on a tapered surface 8 having a truncated cone shape that widens from the steel rod insertion port 7a toward the inner part. Reference numeral 9 is a guide claw that is integrally formed in the taper surface 8 in the axial direction, and is provided at equal intervals in the circumferential direction as shown in FIG. As shown in FIG. 2, three segments 10 are located between the guide claws 9 and the outer peripheral surface 10a of each segment 10 is formed into a tapered surface along the tapered surface 8.
It is arranged so as to be slidable in the axial direction along the tapered surface 8. Furthermore, engaging teeth 10b made of a female screw are formed on the inner peripheral surface thereof.
該セグメント10の軸方向の長さは、前記テーパ面８の軸
方向の長さより短尺に形成され、また、テーパ面８の前
端にはストッパー用の段部11が形成されている。12は前
記各セグメント10の後端面と前記画壁２間に圧縮介在し
たスプリングで、各セグメント10を前方へ常時押圧して
いる。このような構成により前側の接続体A1が形成され
ている。5aは後側のケースで、前記前側のケース５と同
様に形成され、その雄ねじ６によって継手ケース１の後
部に刻設された雌ねじ４に螺着されている。該後側ケー
ス5a内の構造は前記前側ケース５と同様であるので、同
一部材等に前記と同一符号を付してその説明を省略す
る。The length of the segment 10 in the axial direction is shorter than the length of the tapered surface 8 in the axial direction, and a step portion 11 for a stopper is formed at the front end of the tapered surface 8. Reference numeral 12 denotes a spring that is compressed and interposed between the rear end surface of each segment 10 and the picture wall 2 and constantly presses each segment 10 forward. With such a structure, the front side connection body A 1 is formed. A rear case 5a is formed in the same manner as the front case 5, and is screwed by a male screw 6 thereof to a female screw 4 formed in the rear portion of the joint case 1. Since the structure inside the rear case 5a is the same as that of the front case 5, the same members and the like are designated by the same reference numerals and the description thereof will be omitted.
この後側のケース5a等によって後側の接続体A2が形成さ
れている。尚、前記前後のケース5,5aの外周面は六角面
に形成されている。The rear connection body A 2 is formed by the rear case 5a and the like. The outer peripheral surfaces of the front and rear cases 5 and 5a are hexagonal.
次に接続作業について説明する。Next, the connection work will be described.
第５図の如く、鋼棒13,14が挿通されていない状態で
は、各セグメント10は、スプリング12の付勢力によりテ
ーパ面８の小径側である先端側に押圧され、各セグメン
ト10の係合歯10bで構成されている雌ねじの山部径は、
鋼棒13,14における雄ねじ13a,14aの谷径と同一径になっ
ている。この状態で、作業者が手作業によって一方の鋼
棒13の雄ねじ13b部を前側ケース５の鋼棒挿入口7aから
挿入すると、挿入され雄ねじ13a部がセグメント10の雌
ねじからなる係合歯10bに係合し、そのセグメント10
は、スプリング12に抗してテーパ面８の大径部側へ押し
移動され、各セグメント10の係合歯10bで構成される雌
ねじの山径は、前記雄ねじ13bの山径より大径になり、
該雄ねじ13b部を回転することなく雌ねじ10b部を乗り越
えて挿入できる。そして、雄ねじ13a部を所定量挿入し
た後にその鋼棒13から手を離すと、スプリング12の荷量
により各セグメント10はテーパ面８の小径側へ押し移動
され、その雌ねじからなる係合歯10bが鋼棒13の雄ねじ1
3aに噛合して、その鋼棒13はその外脱が阻止されて前側
の接続体A1に強固に連結される。As shown in FIG. 5, when the steel rods 13 and 14 are not inserted, each segment 10 is pressed by the urging force of the spring 12 toward the tip side, which is the smaller diameter side of the taper surface 8, to engage each segment 10. The thread diameter of the internal thread composed of the teeth 10b is
The diameter is the same as the root diameter of the male threads 13a and 14a of the steel rods 13 and 14. In this state, when the worker manually inserts the male screw 13b portion of one steel rod 13 from the steel rod insertion opening 7a of the front case 5, the male screw 13a portion is inserted into the engaging tooth 10b formed of the female screw of the segment 10. Engages its segment 10
Is pushed against the large diameter portion of the tapered surface 8 against the spring 12, and the thread diameter of the female screw formed by the engaging teeth 10b of each segment 10 becomes larger than the thread diameter of the male screw 13b. ,
The male screw 13b portion can be inserted over the female screw 10b portion without rotating. When the male screw 13a is inserted by a predetermined amount and then the steel rod 13 is released, each segment 10 is pushed and moved toward the small diameter side of the tapered surface 8 by the load of the spring 12, and the engaging tooth 10b formed of the female screw is formed. Has a steel rod 13 male thread 1
By engaging with 3a, the steel rod 13 is prevented from coming out and is firmly connected to the connecting body A 1 on the front side.
次に他方の鋼棒14の雄ねじ14aを後側ケース5aの鋼棒挿
入口7aから挿入し、前記と同様に後側の接続体A2に強固
に連結される（第６図参照）。Next, the male screw 14a of the other steel rod 14 is inserted from the steel rod insertion port 7a of the rear case 5a, and is firmly connected to the rear connecting body A 2 as described above (see FIG. 6).
次に第７図に示す本考案の第２実施例について説明す
る。Next, a second embodiment of the present invention shown in FIG. 7 will be described.
本実施例は、前記実施例における鋼棒挿入孔７の奥底部
に、挿入された鋼棒の先端面に係合しこれを押し戻す作
用をするスプリング20を内設したものである。尚、セグ
メント10に形成した係合歯10bは、前記実施例のような
雌ねじではなく、挿入される異形鉄筋の外面に喰い付く
ような歯に形成されている。また、前後のケース5,5a
は、継手ケース１に対して嵌合して熔接にして固着され
ている。更に前後のケース5,5aの外周面は円形に形成さ
れている。その他の構造は前記第１実施例と同様である
ので、同一部品には同一符号を付してその説明を省略す
る。In this embodiment, a spring 20 which engages with the tip end surface of the inserted steel rod and pushes it back is internally provided at the inner bottom portion of the steel rod insertion hole 7 in the above embodiment. The engaging teeth 10b formed on the segment 10 are not formed as internal threads as in the above embodiment, but are formed as teeth that bite on the outer surface of the deformed bar to be inserted. Also, front and rear cases 5,5a
Are fixed to the joint case 1 by welding, welding. Further, the outer peripheral surfaces of the front and rear cases 5 and 5a are formed in a circular shape. Since the other structure is the same as that of the first embodiment, the same parts are designated by the same reference numerals and the description thereof will be omitted.
本実施例において、異形鉄筋21を前側ケース５の鋼棒挿
入口7aから鋼棒挿入孔７内に挿入すると、その先端によ
って各セグメント10がテーパ面８の大径部側へ押し移動
されて前記実施例と同様に各セグメント10の係合歯10b
の内径が広がる。更にその異形鉄筋21を押し込むと、そ
の外周面が各セグメント10の係合歯10bを辷りつゝ鋼棒
挿入孔７内に入りその先端がスプリング20を押し縮め
る。In this embodiment, when the deformed bar 21 is inserted into the steel rod insertion hole 7 from the steel rod insertion port 7a of the front case 5, each segment 10 is pushed and moved toward the large diameter portion side of the taper surface 8 by the tip thereof, and Engaging teeth 10b of each segment 10 as in the embodiment
The inner diameter of When the deformed rebar 21 is further pushed in, the outer peripheral surface of the deformed rebar 21 engages with the engaging teeth 10b of each segment 10 into the steel rod insertion hole 7 and the tip thereof compresses the spring 20.
この状態でその異形鉄筋21から手を離すと、スプリング
20の復帰力によりその異形鉄筋21が外方へ若干押し戻さ
れる。これによりその異形鉄筋21の外周面に係合してい
るセグメント10が異形鉄筋21との摩擦力によってテーパ
面８の小径側へ移動されてくさび作用をなし、その係合
歯10bは異形鉄筋21の外周面に喰い付き、その異形鉄筋2
1は、その外脱が強固に阻止されて前側の接続体A1に強
固に連結される。When you release your hand from the deformed bar 21 in this state, the spring
The deformed rebar 21 is slightly pushed outward by the restoring force of 20. As a result, the segment 10 engaged with the outer peripheral surface of the deformed reinforcing bar 21 is moved to the smaller diameter side of the tapered surface 8 by the frictional force with the deformed reinforcing bar 21 to form a wedge action, and the engaging tooth 10b has the deformed reinforcing bar 21. The deformed rebar 2
The detachment of 1 is firmly prevented, and is firmly connected to the front connecting body A 1 .
次に後側の接続体A2に対しても連結すべき他方の異形鉄
筋を前記と同様に挿入して連結する。Next, the other deformed reinforcing bar to be connected to the rear connecting body A 2 is also inserted and connected in the same manner as described above.
尚、前記第１実施例におけるセグメント10の係合歯10b
は、雌ねじとすることなく第２実施例のような係合歯と
してもよく、また、第２実施例における係合歯10bは第
１実施例のような雌ねじにしてもよい。Incidentally, the engaging teeth 10b of the segment 10 in the first embodiment
May be an engaging tooth as in the second embodiment instead of being an internal thread, and the engaging tooth 10b in the second embodiment may be an internal thread as in the first embodiment.
また、前記第１実施例及び第２実施例においては、２個
の接続体A1,A2を直線状に配置連結したが、第９図に示
すように３個の接続体A1〜A3をＴ字状に配置連結しても
よく、第10図に示すように４個の接続体A1〜A4を＋状に
配置連結してもよく、更に４個の接続体A1〜A4を第11図
に示すように配置連結してもよい。Further, in the first and second embodiments, the two connecting bodies A 1 and A 2 are linearly arranged and connected. However, as shown in FIG. 9, three connecting bodies A 1 to A 2 are connected. 3 may be disposed connected to the T-shape, as shown in FIG. 10 may be arranged connecting four connection members a 1 to a 4 + form, and further four connectors a 1 ~ A 4 may be arranged and connected as shown in FIG.
以上のように本考案の接続具によれば、接続すべき鋼棒
を、単に接続具に対して差し込む操作で確実に接続でき
るため、作業空間の狭い場所での接続作業が極めて楽に
行なえる上に通常の鉄筋のみならず異形鉄筋もそのまゝ
接続でき、更に複数個の接続体を直交的に配置すれば直
交する鉄筋も前記のような簡易な作業で容易かつ確実に
接続することができる。As described above, according to the connector of the present invention, the steel rod to be connected can be securely connected by simply inserting the steel bar into the connector, so that connection work can be performed very easily in a narrow working space. Not only ordinary reinforcing bars but also deformed reinforcing bars can be connected as it is, and if a plurality of connecting bodies are arranged orthogonally, orthogonal reinforcing bars can be easily and surely connected by the above-mentioned simple work. .
第１図乃至第６図は本考案の第１実施例を示すので第１
図は側断面図、第２図は正断面図、第３図は側面図、第
４図は正面図、第５図及び第６図は接続作業の説明図で
あり、第５図は接続前を、第６図は接続後の各略側断面
図である。第７図は本考案の第２実施例を示す側断面
図、第８図乃至第11図は接続体の配置状態の４例を示す
各斜視図である。 5,5a……ケース、７……鋼棒挿入孔、7a……鋼棒挿入
口、８……テーパ面、10……セグメント、10b……係合
歯、12,20……スプリング、A1〜A4……接続体1 to 6 show the first embodiment of the present invention.
The figure is a side sectional view, FIG. 2 is a front sectional view, FIG. 3 is a side view, FIG. 4 is a front view, FIGS. 5 and 6 are explanatory views of connection work, and FIG. 5 is before connection. FIG. 6 is a schematic side sectional view after connection. FIG. 7 is a side sectional view showing a second embodiment of the present invention, and FIGS. 8 to 11 are perspective views showing four examples of the arrangement of the connecting body. 5,5a …… Case, 7 …… Steel rod insertion hole, 7a …… Steel rod insertion port, 8 …… Tapered surface, 10 …… Segment, 10b …… Engaging tooth, 12,20 …… Spring, A 1 ~ A 4 ...... Connected body
Claims (4)
を先端から奥に向って拡開するテーパ面（８）とした有
底状の鋼棒挿入孔（７）と、前記テーパ面（８）の周方
向に分割すると共にそのテーパ面（８）に沿って軸方向
に摺動可能に配設されたセグメント（10）と、該セグメ
ント（10）の内周面に刻設した係合歯（10a）と、該セ
グメント（10）をテーパ面（８）の小径側に押圧するス
プリング（12）とからなる接続体Ａを複数個、その後端
部相互を連結して構成したことを特徴とする鋼棒の接続
具。1. A bottomed steel rod insertion hole (7) having a steel rod insertion opening (7a) at the tip and having a tapered inner surface (8) that widens the inner peripheral surface of the tip portion from the tip to the inside. A segment (10) which is divided in the circumferential direction of the tapered surface (8) and is slidable in the axial direction along the tapered surface (8), and an inner circumferential surface of the segment (10). A plurality of connecting bodies A each having a plurality of engaging teeth (10a) and a spring (12) for pressing the segment (10) toward the smaller diameter side of the tapered surface (8) are connected to each other at their rear end portions. A steel rod connector characterized by being constructed.
る鋼棒を押し戻すように作用するスプリング（20）を内
設したことを特徴とする請求項１記載の鋼棒の接続具。2. The connection of a steel rod according to claim 1, wherein a spring (20) which acts to push back the steel rod to be inserted is provided at the bottom of the steel rod insertion hole (7). Ingredient
係合歯（10b）を雌ねじとした請求項１又は２記載の鋼
棒の接続具。3. The steel rod connector according to claim 1, wherein the engaging teeth (10b) formed on the inner peripheral surface of the segment (10) are internal threads.
に連結した請求項１又は２又は３記載の鋼棒の接続具。4. The steel rod connector according to claim 1, 2 or 3, wherein the plurality of connecting bodies A are connected linearly or orthogonally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6866589U JPH0643315Y2 (en) | 1988-09-09 | 1989-06-12 | Steel rod connector |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63-119095 | 1988-09-09 | ||
| JP11909588 | 1988-09-09 | ||
| JP6866589U JPH0643315Y2 (en) | 1988-09-09 | 1989-06-12 | Steel rod connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02107632U JPH02107632U (en) | 1990-08-27 |
| JPH0643315Y2 true JPH0643315Y2 (en) | 1994-11-09 |
Family
ID=31718373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6866589U Expired - Fee Related JPH0643315Y2 (en) | 1988-09-09 | 1989-06-12 | Steel rod connector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0643315Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100973437B1 (en) * | 2010-04-22 | 2010-08-02 | 거성 이.엔.지 주식회사 | One-touch type steel reinforcement coupler for concrete construction |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100722433B1 (en) * | 2005-05-26 | 2007-05-28 | (주)대도산업 | one-touch type coupling apparatus for steel reinforcing |
| KR101102531B1 (en) * | 2011-09-07 | 2012-01-03 | 김현호 | One touch type quick coupler for reinforcement bar connection |
| JP2015218816A (en) * | 2014-05-19 | 2015-12-07 | 日本タイロッド工業株式会社 | Tie rod connector |
| KR101959076B1 (en) * | 2018-12-27 | 2019-03-15 | 배영재 | A rebar coupler |
| KR102180951B1 (en) * | 2019-01-29 | 2020-11-19 | (주)호창메탈 | A coupler for steel reinforcing bar |
| KR102344476B1 (en) * | 2021-04-14 | 2021-12-28 | 양현민 | Rebar coupler for beginning slip prevention |
-
1989
- 1989-06-12 JP JP6866589U patent/JPH0643315Y2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100973437B1 (en) * | 2010-04-22 | 2010-08-02 | 거성 이.엔.지 주식회사 | One-touch type steel reinforcement coupler for concrete construction |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02107632U (en) | 1990-08-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |