JP2003336497A - Joint metal fitting - Google Patents
Joint metal fittingInfo
- Publication number
- JP2003336497A JP2003336497A JP2002298378A JP2002298378A JP2003336497A JP 2003336497 A JP2003336497 A JP 2003336497A JP 2002298378 A JP2002298378 A JP 2002298378A JP 2002298378 A JP2002298378 A JP 2002298378A JP 2003336497 A JP2003336497 A JP 2003336497A
- Authority
- JP
- Japan
- Prior art keywords
- joint fitting
- cylindrical housing
- leaf spring
- joining rod
- joining
- 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.)
- Granted
Links
Landscapes
- Lining And Supports For Tunnels (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、例えば、トンネル
を構成するセグメントやコンクリート函体に設けられ、
これらを接合する継手金具に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is provided, for example, in a segment or a concrete box which constitutes a tunnel.
The present invention relates to a joint fitting for joining these.
【０００２】[0002]
【従来の技術】例えば、シールドセグメントトンネルで
は多数のセグメントでトンネル壁体を構築する場合、セ
グメントの組立て、接合が必要となり、これは周方向に
セグメントの組立てリングとし、また、組立てたセグメ
ントリングをトンネル進行方向に接合していく。2. Description of the Related Art For example, in a shielded segment tunnel, when constructing a tunnel wall body with a large number of segments, it is necessary to assemble and join the segments. This is a segment assembly ring in the circumferential direction, and the assembled segment ring is also used. Join in the tunnel direction.
【０００３】かかるセグメントの接合は従来において
は、セグメントの接合端面に孔部を有する継手板を埋め
込んでおき、その後側は箱抜きとして、セグメントの接
合端面同士を互いに当接させて、互いに連通した継手板
の孔部へボルトを挿通させ、このボルトにナットを螺着
させることにより多数のセグメント同士を順次接合して
構築している。[0003] In the conventional joining of such a segment, a joint plate having a hole is embedded in the joining end surface of the segment, and the rear side thereof is boxed out so that the joining end surfaces of the segments are brought into contact with each other to communicate with each other. A bolt is inserted through the hole of the joint plate, and a nut is screwed onto this bolt, so that a large number of segments are sequentially joined to each other.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記の
接合構造では、セグメントの接合端面の継手板に形成さ
れた孔部にボルトを挿通させ、そのボルトにナットを螺
着させて締め付けなければならず、その作業が極めて煩
雑で手間がかかっていた。However, in the above joining structure, the bolt must be inserted into the hole formed in the joint plate of the joining end face of the segment, and the nut must be screwed and tightened. However, the work was extremely complicated and time-consuming.
【０００５】本発明の目的は前記従来例の不都合を解消
し、極めて容易にセグメント等を接合させることが可能
なものであり、しかも、少ない部材点数で、簡単に、し
かも正確に組立てることができ、接合精度や強度も高
く、信頼性も高い、安価な継手金具を提供することにあ
る。The object of the present invention is to eliminate the disadvantages of the above-mentioned conventional example and to join the segments and the like very easily. Moreover, it is possible to assemble easily and accurately with a small number of members. Another object of the present invention is to provide an inexpensive fitting with high joint accuracy and strength and high reliability.
【０００６】[0006]
【課題を解決するための手段】本発明は前記目的を達成
するため、第１に、互いに接合させる一方側の部材に設
けられ、他方側の部材方向へ延在する接合棒を有する雄
型継手金具と、他方側の部材に設けられ、前記雄型継手
金具の接合棒が挿入され、この接合棒を係止する雌型継
手金具とからなり、前記雄型継手金具は、前記接合棒の
先端側にテーパ部を形成し、その下側に係合凹段部を形
成し、前記雌型継手金具は、前記接合棒が挿入される挿
入孔を中央に有する円筒形ハウジングと、この円筒形ハ
ウジング内に前記係合凹段部の幅に対応する厚さ分の環
体を２分割した２個の半円形の係止部材と、これら係止
部材を内周側へ付勢する正三角形の板バネ環体とを配置
し、２個の半円形の係止部材の外側が板バネ環体の正三
角形の辺の中央に内接し、また、円筒形ハウジング内周
に対して板バネ環体の正三角形の角部が当接するように
配設したことを要旨とするものである。In order to achieve the above object, the present invention is, firstly, a male joint having a joining rod provided on members on one side to be joined to each other and extending toward a member on the other side. A metal fitting and a female fitting fitting provided on the other member, into which the joining rod of the male fitting fitting is inserted, and which locks the joining rod, wherein the male fitting fitting is the tip of the joining rod. A cylindrical housing having a tapered portion on its side and an engaging recessed portion formed on the lower side thereof, and the female joint fitting has an insertion hole at the center into which the joining rod is inserted, and the cylindrical housing. Two semi-circular locking members into which an annular body having a thickness corresponding to the width of the engaging concave step portion is divided into two, and an equilateral triangular plate for biasing these locking members toward the inner peripheral side. The spring ring is placed, and the outer sides of the two semicircular locking members are in the center of the sides of the equilateral triangle of the leaf spring ring. Contact, also, in which the corners of an equilateral triangle of the leaf spring ring body relative to the inner peripheral cylindrical housing is summarized in that which is arranged so as to contact.
【０００７】第２に、円筒形ハウジングは、埋設アンカ
ーに螺合する雌型受けボックスからなるものであり、も
しくは、埋設ボックスアンカーに形成されるものであ
り、接合棒が挿入される挿入孔を中央に有する前蓋を螺
着することを要旨とするものである。Secondly, the cylindrical housing is formed of a female receiving box that is screwed into the embedded anchor or is formed in the embedded box anchor, and has an insertion hole into which the connecting rod is inserted. The gist of the invention is to screw a front lid at the center.
【０００８】第３に、互いに接合させる一方側の部材に
設けられ、他方側の部材方向へ延在する接合棒を有する
雄型継手金具と、他方側の部材に設けられ、前記雄型継
手金具の接合棒が挿入され、この接合棒を係止する雌型
継手金具とからなり、前記雄型継手金具は、前記接合棒
の先端側にテーパ部を形成し、その下側に係合凹段部を
形成し、前記雌型継手金具は、前記接合棒が挿入される
挿入孔を中央に有する円筒形ハウジングと、この円筒形
ハウジング内に前記係合凹段部の幅に対応する厚さ分の
環体を２分割した２個の半円形の係止部材と、これら係
止部材を内周側へ付勢する三角形の板バネ環体とを配置
し、２個の係止部材内部にスペーサーを介在させてこれ
ら係止部材が接合端部同士を離間させて内部径を拡径
し、かつ、その外側は板バネ環体の三角形の辺に内接さ
せ、また、円筒形ハウジング内周に対して板バネ環体の
三角形の角部が当接するように配設したことを要旨とす
るものである。Thirdly, a male joint fitting provided on one member to be joined to each other and having a joining rod extending in the direction of the other member, and a male joint fitting provided on the other member, And a female joint fitting for locking the joining rod. The male joint fitting forms a taper portion on the tip side of the joining rod, and an engaging concave step is formed on the lower side thereof. A cylindrical housing having a central insertion hole into which the connecting rod is inserted, and a thickness corresponding to the width of the engaging recessed step portion in the cylindrical housing. The two ring members are divided into two semicircular locking members, and a triangular plate spring ring member for urging these locking members toward the inner peripheral side is arranged, and a spacer is provided inside the two locking members. These interlocking members separate the joining ends from each other to expand the inner diameter and Was inscribed on the sides of the triangle of the leaf spring annulus, also those corners of the triangular plate spring ring body relative to the inner peripheral cylindrical housing is summarized in that which is arranged so as to contact.
【０００９】請求項１記載の発明によれば、雌型継手金
具へ雄型継手金具の接合棒を挿入し、この接合棒によっ
て係止部材を板バネ環体に抗して押し広げることで係止
部材を接合棒の係合凹段部に入り込ませて接合棒を係止
させて、該係止部材を接合棒に接合棒外周へ突設するよ
うに首かせ状のストッパーとして取り付け、これにより
雄型継手金具と雌型継手金具とを接合させることができ
る。なお、係止部材を内周側へ付勢するのは正三角形の
板バネ環体であり、この正三角形の板バネ環体は円筒形
ハウジング内周に対して正三角形の角部が当接するよう
に配設することで中心を合致させて円筒形ハウジング内
に収めることができる。According to the first aspect of the present invention, the connecting rod of the male joint fitting is inserted into the female joint fitting, and the engaging member pushes and spreads the locking member against the leaf spring ring body. The stopper member is inserted into the engaging concave step portion of the joining rod to lock the joining rod, and the engaging member is attached to the joining rod as a neck-shaped stopper so as to project to the outer periphery of the joining rod. The male joint fitting and the female joint fitting can be joined together. It should be noted that it is the equilateral triangle leaf spring ring body that biases the locking member toward the inner peripheral side, and the corner portion of the equilateral triangle abuts against the inner circumference of the cylindrical housing of this equilateral triangle leaf spring ring body. By arranging in this manner, the centers can be aligned and housed in the cylindrical housing.
【００１０】また、係止部材は環体を２分割した２個の
半円形のものであり、これを外側が正三角形の辺の中央
に内接するように収めることで、やはり中心を合致させ
て円筒形ハウジング内と板バネ環体に収めることがで
き、その結果、接合棒を挿入するのに各部材の中心の位
置を一致させておくことが可能である。このように正三
角形の板バネと、真円リングのバランスによって円筒形
ハウジングの中で、どの位置にセットされても正確に原
型に復元することができる。Further, the locking member is two semicircular parts obtained by dividing the ring body into two, and the outer side is inscribed in the center of the side of the equilateral triangle so that the centers can be matched. It can be housed in the cylindrical housing and in the leaf spring annulus, and as a result, it is possible to keep the central position of each member aligned for inserting the joining rod. In this way, the equilibrium of the equilateral triangular leaf spring and the perfect circle ring enables the original shape to be accurately restored regardless of the position of the cylindrical housing.
【００１１】さらに、部材点数も、板バネ環体１個と半
円形の係止部材２個というように極めて少なく、各部材
のセットも容易である。Further, the number of members is extremely small, such as one leaf spring ring member and two semicircular locking members, and it is easy to set each member.
【００１２】これに加えて、係止部材は半円形のものを
合わせて環体として接合棒に接合棒外周へ突設するよう
に首かせ状のストッパーとして取り付くものであり、厚
さもあり、しっかりと接合棒の係合凹段部に入り込ん
で、強固なストッパーとなる。その結果、充分期待させ
る接合強度が雄型継手金具と雌型継手金具との接合に得
られる。In addition to this, the locking member is a semicircular member that is attached as a neck-shaped stopper so as to project from the outer periphery of the joint rod as a ring body. Enters into the engaging concave step of the joining rod and becomes a strong stopper. As a result, a sufficiently expected joining strength can be obtained in joining the male joint fitting and the female joint fitting.
【００１３】請求項２記載の本発明によれば、前記作用
に加えて、円筒形ハウジングを形成するのに埋設アンカ
ーに、前端板を有し、後面開放の雌型受けボックスを螺
合するだけででき、簡単である。According to the second aspect of the present invention, in addition to the above operation, a female receiving box having a front end plate and an open rear surface is simply screwed into an embedded anchor to form a cylindrical housing. It's done and easy.
【００１４】請求項３記載の本発明によれば、円筒形ハ
ウジングは埋設ボックスアンカーに形成されるものであ
り、アンカー一体型として強度を有し、板バネ環体１個
と半円形の係止部材を含めて接合棒の抜け出し防止は螺
着する前蓋でこれを行うことができる。According to the third aspect of the present invention, the cylindrical housing is formed in the embedded box anchor, has strength as an integrated anchor, and has a semi-circular locking with one leaf spring ring. It is possible to prevent the joining rod including the members from coming off by a front lid that is screwed.
【００１５】請求項４記載の本発明によれば、スペーサ
ーを介在させることで、２個の半円形または半楕円形の
係止部材が接合端部同士を離間させて内部径を拡径して
おくことができ、これにより接合棒の先端側のテーパ部
を係止部材内に押入れるときに十分なクリアランスが確
保できる。According to the fourth aspect of the present invention, by interposing the spacer, the two semicircular or semielliptical locking members separate the joining ends from each other to increase the inner diameter. Therefore, a sufficient clearance can be secured when the tapered portion on the tip end side of the joining rod is pushed into the locking member.
【００１６】これにより、接合棒の先端側のテーパ部が
斜めに挿入され、係止部材自体を引っ掛けるような状態
となったり、その結果として係止部材を板バネ環体から
外してしまうことを防止できる。また、介在させたスペ
ーサーは接合棒の先端側のテーパ部を係止部材内に押入
れるときにそのまま本体部として太径の異径鉄筋による
埋設アンカーの凹部に落とし込むようにすることができ
る。As a result, the taper portion on the distal end side of the joining rod is obliquely inserted, and the locking member itself may be hooked, and as a result, the locking member may be removed from the leaf spring ring body. It can be prevented. Further, the interposed spacer can be dropped as it is into the concave portion of the embedded anchor formed by the large diameter different diameter reinforcing bar as the main body portion when the tapered portion on the tip side of the joining rod is pushed into the locking member.
【００１７】[0017]
【発明の実施の形態】以下、図面について本発明の実施
の形態を詳細に説明する。図１は本発明の継手金具の第
１実施形態を示す側面図、図２は同上説明図である。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings. FIG. 1 is a side view showing a first embodiment of a joint fitting of the present invention, and FIG. 2 is an explanatory view of the same.
【００１８】本発明の継手金具も、それぞれセグメント
等のコンクリート構造物（部材）に設けられる雄型継手
金具１と雌型継手金具２とからなるものである。The joint fitting of the present invention also comprises a male joint fitting 1 and a female joint fitting 2 which are respectively provided on concrete structures (members) such as segments.
【００１９】雄型継手金具１は異径鉄筋による埋設雄型
ピン４０を本体部とし、その先端部が鋼製の接合棒４と
なるが、接合棒４は先端を円錐台径のテーパ部８として
形成した。The male joint fitting 1 has an embedded male pin 40 made of rebar having a different diameter as a main body, and a tip portion thereof is a steel joining rod 4, and the joining rod 4 has a tapered portion 8 having a truncated cone diameter at its tip. Formed as.
【００２０】なお、接合棒４は異径鉄筋による埋設雄型
ピン４０の一端を加工して形成してもよいが、該接合棒
４の下半部を螺子構造４０ａとして埋設雄型ピン４０に
螺入するようにしてもよい。Although the joining rod 4 may be formed by processing one end of the embedded male pin 40 made of a rebar having a different diameter, the lower half of the joining rod 4 has a screw structure 40a on the embedded male pin 40. It may be screwed.
【００２１】前記テーパ部８の下側（後方側）に少し間
を置いて一定の幅を持つ溝状の係合凹段部４１を形成し
た。テーパ部８と係合凹段部４１との間はテーパ部８が
延設するスカート部となる。A groove-like engagement concave step portion 41 having a constant width is formed on the lower side (rear side) of the taper portion 8 with a slight interval. A skirt portion where the taper portion 8 extends is provided between the taper portion 8 and the engaging recessed step portion 41.
【００２２】雌型継手金具２は、前記接合棒４が挿入さ
れる挿入孔４２を前端板４３の中央に形成し、雌受けボ
ックスとしての後端開放の円筒形ハウジング４４と、こ
の円筒形ハウジング４４内に収めるものとして、クリア
ランス補強座金４５と、係止部材４６と、板バネ環体４
７があり、また、本体部として太径の異径鉄筋による埋
設アンカー４８の先端に前記接合棒４の先端の円錐台径
のテーパ部８と延設するスカート部が挿入する凹部４９
と、外周前端に螺子部５０を形成した。円筒形ハウジン
グ４４と埋設アンカー４８とはこの螺子部５０を介して
螺合する。In the female joint fitting 2, an insertion hole 42 into which the joining rod 4 is inserted is formed in the center of a front end plate 43, and a cylindrical housing 44 having a rear end open as a female receiving box, and this cylindrical housing. The clearance reinforcing washer 45, the locking member 46, and the leaf spring ring 4 are contained in the housing 44.
7, and a concave portion 49 into which a tapered portion 8 having a truncated cone diameter at the tip of the joining rod 4 and a skirt portion extending therefrom are inserted at the tip of an embedded anchor 48 made of a rebar having a large diameter as a main body.
And the screw part 50 was formed in the front end of the outer periphery. The cylindrical housing 44 and the embedded anchor 48 are screwed together via the screw portion 50.
【００２３】前記係止部材４６は、接合棒４の係合凹段
部４１の幅に対応する厚さ分の鋼製の環体を２分割した
２個の半円形体４６ａ、４６ｂによるものである。The locking member 46 is composed of two semi-circular members 46a and 46b obtained by dividing a steel ring member having a thickness corresponding to the width of the engaging recessed step portion 41 of the joining rod 4 into two parts. is there.
【００２４】板バネ環体４７は前記係止部材４６を内周
側へ付勢する正三角形の板バネであり、鋼の帯金により
形成し、角部はアールを設けて曲げ形成している。ま
た、板バネ環体４７の大きさは、前記２個の半円形体４
６ａ、４６ｂの係止部材４６の外側がこの板バネ環体４
７の正三角形の辺の中央に内接し、また、鋼の帯金の幅
すなわち、板バネ環体４７の深さは係止部材４６の厚さ
と同じとした。The leaf spring ring body 47 is an equilateral triangle leaf spring for urging the locking member 46 toward the inner peripheral side, and is formed by a steel band, and the corner portions are bent and bent. . Further, the size of the leaf spring ring body 47 is the same as the two semicircular bodies 4 described above.
The outside of the locking members 46 of 6a and 46b is the leaf spring ring 4
7 is inscribed in the center of the side of the equilateral triangle, and the width of the steel strip, that is, the depth of the leaf spring ring 47 is the same as the thickness of the locking member 46.
【００２５】さらに、板バネ環体４７の大きさは、前記
円筒形ハウジング４４の内周に対してこの板バネ環体４
７の正三角形の角部が当接するようなものである。Further, the size of the leaf spring ring body 47 is such that the leaf spring ring body 4 is larger than the inner circumference of the cylindrical housing 44.
The corners of the regular triangle 7 are in contact with each other.
【００２６】次に使用法について説明する。まず、組立
てであるが、雌型継手金具２では埋設アンカー４８に円
筒形ハウジング４４が取り付き、その際、円筒形ハウジ
ング４４内には図２に示すように、クリアランス補強座
金４５と、係止部材４６と、板バネ環体４７を収める。Next, the usage will be described. First, as for assembly, in the female joint fitting 2, the cylindrical housing 44 is attached to the embedded anchor 48. At this time, as shown in FIG. 2, the clearance reinforcing washer 45 and the locking member are attached in the cylindrical housing 44. 46 and the leaf spring ring 47 are housed.
【００２７】図３はその状態を示し、クリアランス補強
座金４５はその中央の円孔を筒形ハウジング４４の前端
板４３の中央に形成した挿入孔４２に一致させて該前端
板４３の裏側に配設し、板バネ環体４７は正三角形の角
部が当接するように円筒形ハウジング４４に収める。FIG. 3 shows the state, in which the clearance reinforcing washer 45 is arranged on the back side of the front end plate 43 with the circular hole at the center thereof aligned with the insertion hole 42 formed at the center of the front end plate 43 of the cylindrical housing 44. The leaf spring ring 47 is housed in the cylindrical housing 44 so that the corners of the equilateral triangle come into contact with each other.
【００２８】また、板バネ環体４７内に係止部材４６を
正三角形の辺の中央に内接するように収める。Further, the locking member 46 is housed in the leaf spring ring 47 so as to be inscribed in the center of the side of the equilateral triangle.
【００２９】このようにして、雄型継手金具１と雌型継
手金具２を接合すべきセグメント等のコンクリート構造
物へ埋設し、接合する場合は雌型継手金具２の筒形ハウ
ジング４４の挿入孔４２へ雄型継手金具１の接合棒４を
挿入する。In this manner, when the male joint fitting 1 and the female joint fitting 2 are embedded in a concrete structure such as a segment to be joined and joined, the insertion hole of the tubular housing 44 of the female joint fitting 2 is inserted. The joining rod 4 of the male joint fitting 1 is inserted into 42.
【００３０】このようにすると、この雄型継手金具１の
接合棒４の先端部が、雌型継手金具２の円筒形ハウジン
グ４４内に設けられた係止部材４６を図４に示すように
押し広げながら挿入され、次いで、図５にも示すように
係止部材４６は接合棒４の係合凹段部４１に入り込ん
で、首かせ状のストッパーとして取り付く。該係止部材
４６は、厚さもあり、しっかりと接合棒４の係合凹段部
４１に入り込んで、強固なストッパーとなる。その結
果、充分期待させる接合強度が雄型継手金具１と雌型継
手金具２との接合に得られる。In this way, the tip of the joining rod 4 of the male joint fitting 1 pushes the locking member 46 provided in the cylindrical housing 44 of the female joint fitting 2 as shown in FIG. It is inserted while unfolding, and then, as shown in FIG. 5, the locking member 46 enters the engaging concave step portion 41 of the joining rod 4 and is attached as a neck-shaped stopper. The locking member 46 also has a thickness and firmly enters the engaging recessed step portion 41 of the joining rod 4 to form a strong stopper. As a result, a sufficiently expected joining strength is obtained for joining the male joint fitting 1 and the female joint fitting 2.
【００３１】図６は本発明の第２実施形態を示すもの
で、重荷重型として、雌型継手金具２は、円筒形ハウジ
ング４４は埋設ボックスアンカー５１としてアンカー体
に一体に形成されるものであり、接合棒４が挿入される
挿入孔５３を中央に有する前蓋５２をこの円筒形ハウジ
ング４４の部分に螺着することとした。FIG. 6 shows a second embodiment of the present invention. As a heavy load type, the female joint fitting 2, the cylindrical housing 44 and the embedded box anchor 51 are integrally formed with the anchor body. The front lid 52 having the insertion hole 53 at the center where the joining rod 4 is inserted is screwed to the cylindrical housing 44.
【００３２】円筒形ハウジング４４は接合棒４の先端の
円錐台径のテーパ部８と延設するスカート部が挿入する
凹部４９と、板バネ環体４７、係止部材４６、クリアラ
ンス補強座金４５の収納部と、前蓋５２の収納部とを段
階的に形成することで成り立つ。The cylindrical housing 44 includes a recessed portion 49 into which a tapered portion 8 having a circular truncated cone diameter at the tip of the joining rod 4 and a skirt portion to be inserted are inserted, a leaf spring ring body 47, a locking member 46, and a clearance reinforcing washer 45. This is achieved by forming the storage portion and the storage portion of the front lid 52 in stages.
【００３３】本実施形態の場合も雄型継手金具１と雌型
継手金具２を接合については前記第１実施形態と同じで
ある。Also in this embodiment, the connection of the male joint fitting 1 and the female joint fitting 2 is the same as in the first embodiment.
【００３４】図７、図８は本発明に第３実施形態を示す
もので、前記板バネ環体４７内に係止部材４６を正三角
形の辺の中央に内接するように収める際に、２個の係止
部材４６内部に樹脂製または金属製のスペーサー３を介
在させてこれら２個の係止部材４６が接合端部同士を離
間させて内部径を拡径するようにした。FIGS. 7 and 8 show a third embodiment of the present invention. When the locking member 46 is housed in the leaf spring ring body 47 so as to be inscribed in the center of the side of the equilateral triangle, 2 The spacers 3 made of resin or metal are interposed inside the individual locking members 46 so that the two locking members 46 separate the joint end portions from each other to expand the inner diameter.
【００３５】スペーサー３の形状は円形でもよいが、楕
円径が望ましく、その長径は少なくとも接合棒４の先端
を円錐台径のテーパ部８の最大径と同程度とする。ま
た、スペーサー３は係止フランジ３ａを有する。The shape of the spacer 3 may be circular, but an elliptical diameter is desirable, and its major axis is at least approximately the same as the maximum diameter of the tapered portion 8 having the truncated cone diameter at the tip of the joining rod 4. Further, the spacer 3 has a locking flange 3a.
【００３６】このようにスペーサー３を介在させること
で、板バネ環体４７は正三角形の形状が変形するが、支
障はない。また、板バネ環体４７を正三角形以外の三角
形状としてもよい。By interposing the spacer 3 in this manner, the leaf spring ring body 47 is deformed in the shape of an equilateral triangle, but this does not cause any trouble. Further, the leaf spring ring body 47 may have a triangular shape other than the equilateral triangle.
【００３７】本第３実施形態の場合は、雄型継手金具１
の接合棒４の先端部が、雌型継手金具２の円筒形ハウジ
ング４４内に設けられた係止部材４６を押し広げながら
挿入される際に、スペーサー３を介在させることで、２
個の半円形の係止部材４６が接合端部同士を離間させて
内部径を拡径しておくことができ、これにより接合棒４
の先端側のテーパ部８を係止部材４６内に押入れるとき
に十分なクリアランスが確保できる。In the case of the third embodiment, the male joint fitting 1
By inserting the spacer 3 when the tip end of the joining rod 4 is inserted while expanding the locking member 46 provided in the cylindrical housing 44 of the female joint fitting 2,
The semi-circular locking members 46 can separate the joining ends from each other to expand the inner diameter, and thus the joining rod 4 can be formed.
A sufficient clearance can be secured when the taper portion 8 on the tip end side of is pushed into the locking member 46.
【００３８】また、介在させたスペーサー３はそのまま
本体部として太径の異径鉄筋によるによる埋設アンカー
４８の凹部４９に落とし込むようにすることができる。Further, the interposed spacer 3 can be dropped as it is into the concave portion 49 of the embedded anchor 48 by a large diameter rebar having a large diameter as a main body.
【００３９】[0039]
【発明の効果】以上述べたように本発明の継手金具は、
極めて容易にセグメント等を接合させることが可能なも
のであり、しかも、少ない部材点数で、簡単に、しかも
正確に組立てることができ、接合精度や強度も高く、信
頼性も高い、安価なものである。As described above, the joint fitting of the present invention is
It is possible to join segments and the like very easily, and it is possible to assemble easily and accurately with a small number of members, high joining accuracy and strength, high reliability, and inexpensive. is there.
【図１】本発明の継手金具の第１実施形態を示す側面図
である。FIG. 1 is a side view showing a first embodiment of a joint fitting of the present invention.
【図２】本発明の継手金具の第１実施形態を示す説明図
である。FIG. 2 is an explanatory view showing the first embodiment of the joint fitting of the present invention.
【図３】本発明の継手金具の第１実施形態を示す円筒形
ハウジング内の平面図である。FIG. 3 is a plan view of the inside of the cylindrical housing showing the first embodiment of the joint fitting of the present invention.
【図４】本発明の継手金具の第１実施形態で、雄型継手
金具と雌型継手金具の接合の第１段階を示す斜視図であ
る。FIG. 4 is a perspective view showing a first stage of joining the male fitting and the female fitting in the first embodiment of the fitting of the present invention.
【図５】本発明の継手金具の第１実施形態で、雄型継手
金具と雌型継手金具の接合の第２段階を示す斜視図であ
る。FIG. 5 is a perspective view showing a second step of joining the male fitting and the female fitting in the first embodiment of the fitting of the present invention.
【図６】本発明の継手金具の第２実施形態を示す側面図
である。FIG. 6 is a side view showing a second embodiment of the joint fitting of the present invention.
【図７】本発明の継手金具の第３実施形態を示す円筒形
ハウジング内の平面図である。FIG. 7 is a plan view of the inside of a cylindrical housing showing a third embodiment of the fitting of the present invention.
【図８】本発明の継手金具の第３実施形態を示す円筒形
ハウジング内の縦断側面図である。FIG. 8 is a vertical cross-sectional side view inside the cylindrical housing showing the third embodiment of the joint fitting of the present invention.
１…雄型継手金具 ２…雌型継手
金具
３…スペーサー ３ａ…フラン
ジ
４…接合棒 ８…テーパ部
４０…埋設雄型ピン ４０ａ…螺子
構造
４１…係合凹段部 ４２…挿入孔
４３…前端板 ４４…円筒形
ハウジング
４５…クリアランス補強座金 ４６…係止部
材
４６ａ、４６ｂ…半円形体
４７…板バネ環体 ４８…埋設ア
ンカー
４９…凹部 ５０…螺子部
５１…埋設ボックスアンカー ５２…前蓋
５３…挿入孔DESCRIPTION OF SYMBOLS 1 ... Male joint fitting 2 ... Female joint fitting 3 ... Spacer 3a ... Flange 4 ... Joining rod 8 ... Tapered part 40 ... Embedded male pin 40a ... Screw structure 41 ... Engaging concave step 42 ... Insertion hole 43 ... Front end Plate 44 ... Cylindrical housing 45 ... Clearance reinforcing washer 46 ... Locking members 46a, 46b ... Semicircular body 47 ... Leaf spring ring body 48 ... Embedded anchor 49 ... Recessed portion 50 ... Screw part 51 ... Embedded box anchor 52 ... Front lid 53 … Insertion hole
フロントページの続き (71)出願人 502092958 株式会社芳賀技研工業 埼玉県大里郡川本町田中785−２ (72)発明者 高久 節夫 千葉県千葉市花見川区こてはし台５−21− 10 (72)発明者 入出 巧 東京都江東区枝川１−１−10−104 (72)発明者 田中 秀樹 東京都港区芝４丁目２番３号 ジオスター 株式会社内 (72)発明者 横田 正和 東京都港区芝４丁目２番３号 ジオスター 株式会社内 (72)発明者 芳賀 惇 埼玉県大里郡川本町田中785−２ 株式会 社芳賀技研工業内 (72)発明者 田尻 一夫 埼玉県大里郡川本町田中785−２ 株式会 社芳賀技研工業内 Ｆターム(参考） 2D055 BA01 GC04 3J039 AA03 BB01 CA02 CA17 JA17Continued front page (71) Applicant 502092958 Haga Giken Co., Ltd. 785-2 Tanaka, Kawamoto-cho, Osato-gun, Saitama Prefecture (72) Inventor Setsuo Takahisa 5-21 Kotehashidai, Hanamigawa-ku, Chiba City, Chiba Prefecture Ten (72) Inventor 1-1-10-104 Edagawa, Koto-ku, Tokyo (72) Inventor Hideki Tanaka Geostar 4 2-3 Shiba, Minato-ku, Tokyo Within the corporation (72) Inventor Masakazu Yokota Geostar 4 2-3 Shiba, Minato-ku, Tokyo Within the corporation (72) Inventor Atsushi Haga 785-2 Tanaka Stock Association, Kawamoto-cho, Osato-gun, Saitama Prefecture Company Haga Giken Kogyo (72) Inventor Kazuo Tajiri 785-2 Tanaka Stock Association, Kawamoto-cho, Osato-gun, Saitama Prefecture Company Haga Giken Kogyo F-term (reference) 2D055 BA01 GC04 3J039 AA03 BB01 CA02 CA17 JA17
Claims (4)
れ、他方側の部材方向へ延在する接合棒を有する雄型継
手金具と、他方側の部材に設けられ、前記雄型継手金具
の接合棒が挿入され、この接合棒を係止する雌型継手金
具とからなり、前記雄型継手金具は、前記接合棒の先端
側にテーパ部を形成し、その下側に係合凹段部を形成
し、前記雌型継手金具は、前記接合棒が挿入される挿入
孔を中央に有する円筒形ハウジングと、この円筒形ハウ
ジング内に前記係合凹段部の幅に対応する厚さ分の環体
を２分割した２個の半円形の係止部材と、これら係止部
材を内周側へ付勢する正三角形の板バネ環体とを配置
し、２個の半円形の係止部材の外側が板バネ環体の正三
角形の辺の中央に内接し、また、円筒形ハウジング内周
に対して板バネ環体の正三角形の角部が当接するように
配設したことを特徴とする継手金具。1. A male joint fitting provided on a member on one side to be joined to each other and having a joining rod extending toward a member on the other side, and a joining of the male joint fitting provided on a member on the other side. The male joint fitting has a female joint fitting into which a rod is inserted and which locks the joining rod. The male joint fitting forms a taper portion on the tip side of the joining rod, and an engaging recessed step portion on the lower side thereof. The female fitting is formed of a cylindrical housing having an insertion hole at the center into which the joining rod is inserted, and a ring having a thickness corresponding to the width of the engaging concave step portion in the cylindrical housing. Two semi-circular locking members obtained by dividing the body into two parts and an equilateral triangular plate spring ring body for urging these locking members toward the inner peripheral side are arranged. The outer side is inscribed in the center of the side of the equilateral triangle of the leaf spring ring, and the positive side of the leaf spring ring is fixed to the inner circumference of the cylindrical housing. A joint fitting, which is arranged so that the corners of a triangle come into contact with each other.
合する雌型受けボックスからなる請求項１記載の継手金
具。2. The fitting according to claim 1, wherein the cylindrical housing comprises a female receiving box that is screwed into the embedded anchor.
カーに形成されるものであり、接合棒が挿入される挿入
孔を中央に有する前蓋を螺着する請求項１記載の継手金
具。3. The joint fitting according to claim 1, wherein the cylindrical housing is formed in an embedded box anchor, and a front lid having an insertion hole at the center for inserting a joining rod is screwed.
れ、他方側の部材方向へ延在する接合棒を有する雄型継
手金具と、他方側の部材に設けられ、前記雄型継手金具
の接合棒が挿入され、この接合棒を係止する雌型継手金
具とからなり、前記雄型継手金具は、前記接合棒の先端
側にテーパ部を形成し、その下側に係合凹段部を形成
し、前記雌型継手金具は、前記接合棒が挿入される挿入
孔を中央に有する円筒形ハウジングと、この円筒形ハウ
ジング内に前記係合凹段部の幅に対応する厚さ分の環体
を２分割した２個の半円形の係止部材と、これら係止部
材を内周側へ付勢する三角形の板バネ環体とを配置し、
２個の係止部材内部にスペーサーを介在させてこれら係
止部材が接合端部同士を離間させて内部径を拡径し、か
つ、その外側は板バネ環体の三角形の辺に内接させ、ま
た、円筒形ハウジング内周に対して板バネ環体の三角形
の角部が当接するように配設したことを特徴とする継手
金具。4. A male joint fitting provided on a member on one side to be joined to each other and having a joining rod extending toward the member on the other side, and a joining of the male joint fitting provided on a member on the other side. The male joint fitting has a female joint fitting into which a rod is inserted and which locks the joining rod. The male joint fitting forms a taper portion on the tip side of the joining rod, and an engaging recessed step portion on the lower side thereof. The female fitting is formed of a cylindrical housing having an insertion hole at the center into which the joining rod is inserted, and a ring having a thickness corresponding to the width of the engaging concave step portion in the cylindrical housing. Two semicircular locking members obtained by dividing the body in two and triangular leaf spring ring members for urging these locking members toward the inner peripheral side are arranged,
A spacer is interposed inside the two locking members to separate the joint ends from each other to increase the inner diameter, and the outside is inscribed in the triangular side of the leaf spring ring. Further, the joint fitting is arranged such that the triangular corners of the leaf spring ring body are in contact with the inner circumference of the cylindrical housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002298378A JP3927896B2 (en) | 2002-03-14 | 2002-10-11 | Fitting bracket |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002-70325 | 2002-03-14 | ||
| JP2002070325 | 2002-03-14 | ||
| JP2002298378A JP3927896B2 (en) | 2002-03-14 | 2002-10-11 | Fitting bracket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003336497A true JP2003336497A (en) | 2003-11-28 |
| JP3927896B2 JP3927896B2 (en) | 2007-06-13 |
Family
ID=29714143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002298378A Expired - Lifetime JP3927896B2 (en) | 2002-03-14 | 2002-10-11 | Fitting bracket |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3927896B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009133172A (en) * | 2007-12-03 | 2009-06-18 | Setsuo Takaku | Joint of precast member and precast member having the joint |
| JP2020032527A (en) * | 2018-08-27 | 2020-03-05 | 卓也 澤田 | Holder member |
| CN112832814A (en) * | 2021-03-18 | 2021-05-25 | 天津城建大学 | Pre-tightening force self-resetting segment joint assembly |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7313596B2 (en) * | 2021-01-14 | 2023-07-25 | 東京都下水道サービス株式会社 | Fitting fitting |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10205289A (en) * | 1996-11-21 | 1998-08-04 | Ishikawajima Constr Materials Co Ltd | Joint structure of segment |
| JP2000145383A (en) * | 1998-11-10 | 2000-05-26 | Kajima Corp | Connecting construction method and joint structure of segment |
| JP2000154696A (en) * | 1998-11-19 | 2000-06-06 | Kajima Corp | Connecting structure of segment |
| JP2000265788A (en) * | 1999-03-19 | 2000-09-26 | Kumagai Gumi Co Ltd | Joint structure of concrete member |
-
2002
- 2002-10-11 JP JP2002298378A patent/JP3927896B2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10205289A (en) * | 1996-11-21 | 1998-08-04 | Ishikawajima Constr Materials Co Ltd | Joint structure of segment |
| JP2000145383A (en) * | 1998-11-10 | 2000-05-26 | Kajima Corp | Connecting construction method and joint structure of segment |
| JP2000154696A (en) * | 1998-11-19 | 2000-06-06 | Kajima Corp | Connecting structure of segment |
| JP2000265788A (en) * | 1999-03-19 | 2000-09-26 | Kumagai Gumi Co Ltd | Joint structure of concrete member |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009133172A (en) * | 2007-12-03 | 2009-06-18 | Setsuo Takaku | Joint of precast member and precast member having the joint |
| JP2020032527A (en) * | 2018-08-27 | 2020-03-05 | 卓也 澤田 | Holder member |
| CN112832814A (en) * | 2021-03-18 | 2021-05-25 | 天津城建大学 | Pre-tightening force self-resetting segment joint assembly |
| CN112832814B (en) * | 2021-03-18 | 2022-06-21 | 天津城建大学 | Pre-tightening force self-resetting segment joint assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3927896B2 (en) | 2007-06-13 |
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