JPH09292072A - Bendingly connected pipe construction of pipe body, and bendingly connecting fixture - Google Patents
Bendingly connected pipe construction of pipe body, and bendingly connecting fixtureInfo
- Publication number
- JPH09292072A JPH09292072A JP8107519A JP10751996A JPH09292072A JP H09292072 A JPH09292072 A JP H09292072A JP 8107519 A JP8107519 A JP 8107519A JP 10751996 A JP10751996 A JP 10751996A JP H09292072 A JPH09292072 A JP H09292072A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- bending
- short
- bellows
- pipes
- 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.)
- Pending
Links
Landscapes
- Joints Allowing Movement (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、主として、送電
線、通信線（光ファイバも含む）等を地中に埋設するた
めに、送電線、通信線等が挿通される複数の管路を備え
た管体を屈曲して配管するときに用いられる管体の屈曲
接続管構造と屈曲接続具に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention mainly comprises a plurality of conduits through which power transmission lines, communication lines, etc. are inserted in order to bury power transmission lines, communication lines (including optical fibers), etc. in the ground. The present invention relates to a bending connection pipe structure and a bending connection tool for a pipe used when bending and piping the pipe.
【０００２】[0002]
【従来の技術】この種の電線埋設用管体は、コンクリー
トや陶器等によって形成されるのが一般的である。ま
た、管体を屈曲して配管する場合には、図８に示すよう
に、管体（直管）１０１の端部に所要数の曲り管１１１
がシールパッキン１５１を介してそれぞれ接続される。2. Description of the Related Art This type of electric wire burying tube is generally made of concrete, earthenware or the like. Further, when the pipe body is bent to be piped, as shown in FIG. 8, a required number of bent pipes 111 are provided at the end of the pipe body (straight pipe) 101.
Are respectively connected via the seal packing 151.
【０００３】[0003]
【発明が解決しようとする課題】ところで、配管の曲げ
半径は施工現場ごとで異なる場合があり、異なる曲げ半
径をもつ曲り管１１１を、それぞれコンクリートや陶器
によって形成しなければならず、これら曲り管１１１の
製作や管理に多くの手間を必要とする問題点があった。
また、施工現場において不測の障害物がある場合には、
配管の屈曲半径を変更しなければならず、その屈曲半径
に対応した曲げ管１１１を製作するために、配管の施工
が大幅に遅れるという問題点もあった。この発明の目的
は、所望とする曲げ半径に屈曲して配管することができ
る管体の屈曲接続管構造と屈曲接続具を提供することで
ある。By the way, the bending radii of the pipes may differ depending on the construction site, and the bent pipes 111 having different bending radii must be formed of concrete or pottery, respectively. There is a problem that a lot of labor is required for manufacturing and managing the 111.
Also, if there are unexpected obstacles at the construction site,
There is also a problem that the bending radius of the pipe must be changed, and the construction of the pipe is significantly delayed in order to manufacture the bending pipe 111 corresponding to the bending radius. An object of the present invention is to provide a bending connection pipe structure of a pipe body and a bending connection tool that can be bent by bending to a desired bending radius for piping.
【０００４】[0004]
【課題を解決するための手段】前記目的を達成するため
に、請求項１の発明に係る管体の屈曲接続管構造は、一
対の短管と、これら両短管の間に跨がって組付けられ、
かつ伸縮性に富む蛇腹部を有する屈曲接続具と、を備え
ていることを特徴とする。したがって、一対の短管の間
に跨がって組付けられた屈曲接続具をその蛇腹構造部に
おいて、所望とする曲げ半径に容易に屈曲させることが
できる。In order to achieve the above-mentioned object, a bending connecting pipe structure of a pipe body according to the invention of claim 1 is provided with a pair of short pipes and a span between these short pipes. Assembled,
In addition, a bending connector having a bellows portion with high elasticity is provided. Therefore, it is possible to easily bend the bending connector, which is assembled across the pair of short pipes, in the bellows structure portion to a desired bending radius.
【０００５】また、請求項２の発明に係る管体の屈曲接
続構造は、両短管の間に設けられた剛性を有する保護パ
イプによって屈曲接続具の蛇腹構造部を外力から保護す
ることができるため、地中に埋設して使用する場合、土
圧によって屈曲接続具の蛇腹構造部が土圧などによって
押しつぶされる不具合を防止することができる。Further, in the bending connection structure of the pipe body according to the second aspect of the invention, the bellows structure portion of the bending connection tool can be protected from an external force by the rigid protection pipe provided between the two short pipes. Therefore, when it is used by being buried in the ground, it is possible to prevent the bellows structure portion of the bending connector from being crushed by the earth pressure or the like.
【０００６】請求項３の発明に係る管体の屈曲接続管構
造は、請求項２に記載の管体の屈曲接続管構造におい
て、両短管の管路の対向する開口部にはこれら管路より
も大径の接続孔が形成され、一方の短管の接続孔には、
保護パイプの一端部が弾性的に支持されて揺動可能とさ
れ、同保護パイプの他端部が他方の短管の接続孔に遊嵌
されていることを特徴とする。したがって、一方の短管
の接続孔に保護パイプの一端部が弾性的に当接されて揺
動可能とされることで、保護パイプが屈曲接続具を、そ
の蛇腹構造部において屈曲したときには、その屈曲に追
従して保護パイプが揺動するため、同保護パイプが前記
蛇腹構造部の屈曲を妨げる不具合を防止することができ
る。According to a third aspect of the present invention, there is provided a bending connecting pipe structure for a pipe body according to the second aspect, wherein the bending connecting pipe structure for the pipe body is provided with the pipe lines at opposite openings of the pipe lines of both short pipes. A connection hole with a larger diameter than is formed, and the connection hole of one short pipe is
One end of the protection pipe is elastically supported to be swingable, and the other end of the protection pipe is loosely fitted in the connection hole of the other short pipe. Therefore, one end of the protective pipe is elastically brought into contact with the connection hole of the one short pipe so as to be swingable, so that when the protective pipe bends the bending connector in its bellows structure portion, Since the protection pipe swings following the bending, it is possible to prevent a problem that the protection pipe hinders the bending of the bellows structure portion.
【０００７】請求項４の発明に係る管体の屈曲接続管構
造は、請求項３に記載の管体の屈曲接続管構造におい
て、保護パイプの内径は短管の管路の内径と略同径に形
成されていることを特徴とする。したがって、両短管の
管路と保護パイプとの間に生じる段差面を積極的に軽減
することができ、前記管路に対し通路線等を挿通する作
業を容易に行うことができる。According to a fourth aspect of the present invention, there is provided a bending connecting pipe structure for a tubular body according to the third aspect, wherein the inner diameter of the protective pipe is substantially the same as the inner diameter of the conduit of the short pipe. It is characterized in that it is formed in. Therefore, it is possible to positively reduce the stepped surface generated between the conduits of the two short pipes and the protective pipe, and it is possible to easily perform the work of inserting the passage line or the like into the conduits.
【０００８】請求項５の発明に係る管体の屈曲接続具
は、長管、短管等の管体を屈曲して接続するための屈曲
接続具であって、伸縮性に富む蛇腹構造体と、その蛇腹
構造体の端部にそれぞれ設けられ、前記管体の端面に取
付けられる剛性を有する端板と、を備えていることを特
徴とする。したがって、両管体の端面に対し屈曲接続具
を、その両端板において安定よく確実に固定することが
できる。According to a fifth aspect of the present invention, there is provided a bending connector for a pipe body, which is a bending connector for bending and connecting a pipe body such as a long pipe or a short pipe, and has a highly expandable bellows structure. , And an end plate having rigidity, which is provided at each end of the bellows structure and is attached to an end surface of the tube body. Therefore, the bending connector can be stably and reliably fixed to both end plates of the end faces of both pipes.
【０００９】請求項６の発明に係る管体の屈曲接続具
は、請求項５に記載の管体の屈曲接続具において、脱腹
構造体の両端部には端板の外周部を被うようにして端末
縁がそれぞれ形成され、その両端縁には前記端板に形成
された凹部に圧入されて弾状的に係着する係止突部が形
成されていることを特徴とする。したがって、蛇腹構造
体の両端末縁の係止突起を両端板の凹部に圧入して弾性
的に係着することで、蛇腹構造体の両端末縁に両端板を
容易にかつ確実に組付けることができる。According to a sixth aspect of the present invention, there is provided a bending connector for a tubular body according to the fifth aspect, wherein both ends of the abdominal structure cover the outer peripheral portion of the end plate. The end edges are respectively formed, and the locking projections that are press-fitted into the recesses formed in the end plate and elastically engage with each other are formed at both end edges thereof. Therefore, the both end plates of the bellows structure can be easily and surely assembled by press-fitting the locking projections of both end edges of the bellows structure into the recesses of the both end plates and elastically engaging them. You can
【００１０】請求項７の発明に係る管体の屈曲接続具
は、請求項５又は６に記載の管体の屈曲接続具におい
て、抱腹構造体の両端部には端板の外周部を被うように
して端末縁がそれぞれ形成され、その両端末縁には管体
の端面に弾性的に密接する弾性リップがそれぞれ形成さ
れていることを特徴とする。したがって、脱腹構造体の
両端末縁の弾性リップを管体の端面に弾性的に密接させ
ることで、シール不良を防止することができる。According to a seventh aspect of the present invention, there is provided a bending connector for a tubular body according to the fifth or sixth aspect, wherein both ends of the abdominal structure cover the outer peripheral portions of the end plates. Thus, the terminal edges are formed respectively, and the elastic lips that elastically come into close contact with the end surface of the tubular body are formed on both of the terminal edges. Therefore, by making the elastic lips at both end edges of the abdominal structure elastically close to the end surface of the tubular body, it is possible to prevent a sealing failure.
【００１１】[0011]
【発明の実施の形態】この発明の実施の形態を図１〜図
６にしたがって説明する。図１と図２において、管体の
屈曲接続管１１は、一対の短管１２と、屈曲接続具２１
とを主体にして構成されている。前記両短管１２は、配
管の直線部分を構成する管体（長管）１と同様にしてコ
ンクリート、陶器等によって形成されるとともに管体１
と同一断面形状に形成されている。そして、短管１２の
内部には通信線、送電線等が挿通される複数個（例え
ば、４個）の管路１３が貫設されている。さらに、図４
と図５に示すように、両短管１２の中心部には、屈曲接
続具２１を締付け固定するための締付ボルト１６が挿通
される組付孔１５が貫設されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. In FIG. 1 and FIG. 2, the bending connecting pipe 11 of the tubular body is composed of a pair of short pipes 12 and a bending connecting tool 21.
It is mainly composed of. Both of the short pipes 12 are made of concrete, earthenware or the like in the same manner as the pipe body (long pipe) 1 forming the straight portion of the pipe and the pipe body 1
And has the same cross-sectional shape. Inside the short pipe 12, a plurality of (for example, four) pipe lines 13 through which communication lines, power transmission lines and the like are inserted are provided. Further, FIG.
As shown in FIG. 5, an assembling hole 15 through which a tightening bolt 16 for tightening and fixing the bending connector 21 is inserted is provided at the center of both short pipes 12.
【００１２】前記両短管１２の間に跨がって組付けられ
る屈曲接続具２１は、蛇腹構造体２１と端板３１によっ
て構成されている。蛇腹構造体２２は、ＣＲ，ＮＢＲ，
ＥＰＤＭ，シリコン等のゴムや塩化ビニル，ＰＰ，ＰＥ
等の軟質合成樹脂よりなり、ブロー成形、押出成形、射
出成形等によって形成され、伸縮性に富む蛇腹構造をな
している。The bending connector 21 which is mounted so as to straddle between the short pipes 12 is composed of a bellows structure 21 and an end plate 31. The bellows structure 22 includes CR, NBR,
EPDM, rubber such as silicon, vinyl chloride, PP, PE
It is made of a soft synthetic resin such as, and is formed by blow molding, extrusion molding, injection molding, etc., and has a bellows structure with high elasticity.
【００１３】図５と図６に示すように、前記蛇腹構造体
２２の両端部には、端板３１の外周部を被うようにして
端末縁２３がそれぞれ形成されており、これら端末縁２
３の内側面には、所要数の係止爪２４を有する係止突部
２５が形成されている。さらに、前記端末縁２３の外側
面には短管１２の端面に弾性的に密接する弾性リップ２
６がそれぞれ形成されている。As shown in FIGS. 5 and 6, terminal edges 23 are formed at both ends of the bellows structure 22 so as to cover the outer peripheral portions of the end plates 31, respectively.
A locking protrusion 25 having a required number of locking claws 24 is formed on the inner side surface of 3. Further, on the outer surface of the terminal edge 23, an elastic lip 2 that elastically comes into close contact with the end surface of the short tube 12.
6 are formed respectively.
【００１４】前記蛇腹構造体２２の両端末縁２３に外周
部が被われて組付けられる端板３１は、剛性を有する硬
質合成樹脂板、金属板等によって方形の平板状に形成さ
れ、その一側面の周縁部近傍には、前記係止突部２５が
圧入される凹部３２が環状に形成されている。そして、
前記凹部３２に対し、係止爪２４を弾性変形させながら
係止突部２５が圧入されることで、蛇腹構造体２２の両
端末縁２３に両端板３１が組付けられるようになってい
る。The end plate 31, which is assembled by covering the outer peripheral portions on both end edges 23 of the bellows structure 22, is formed in a rectangular flat plate shape by a rigid hard synthetic resin plate, a metal plate or the like. In the vicinity of the peripheral portion of the side surface, a recess 32 into which the locking projection 25 is press-fitted is formed in an annular shape. And
Both ends of the bellows structure 22 are assembled with both end plates 31 by press-fitting the locking projections 25 into the recesses 32 while elastically deforming the locking claws 24.
【００１５】前記端板３１には、短管１２の各管路１３
と略同一中心をなしかつ管路１３よりも適宜に大径の貫
通孔３３がそれぞれ貫設されている。さらに、端板３１
の中心部には、締付ボルト１６が挿通される組付孔３４
が貫設されている。そして、両端板３１の各組付孔３４
に対しそれぞれ締付ボルト１６が挿通された後、これら
締付ボルト１６が両短管１２の組付孔１５にそれぞれ挿
通されてその締付ボルト１６の先端にナット１７を締付
けることで、両短管１２の間に跨がって屈曲接続具２１
が組付けられるようになっている。図５と図６に示すよ
うに、前記両短管１２の間には、蛇腹構造体２２の蛇腹
部を外力から保護するための硬質合成樹脂パイプ、金属
パイプ等よりなる剛性を有する保護パイプ４１が設けら
れている。In the end plate 31, each conduit 13 of the short pipe 12 is provided.
Through holes 33 that have substantially the same center as the above and have a diameter larger than that of the conduit 13 are provided. Furthermore, the end plate 31
Assembling hole 34, through which tightening bolt 16 is inserted, at the center of
Is pierced. Then, the assembling holes 34 of the both end plates 31
After the tightening bolts 16 are respectively inserted into the short holes 12, the tightening bolts 16 are respectively inserted into the assembly holes 15 of the short pipes 12, and the nuts 17 are tightened at the tips of the tightening bolts 16, thereby shortening the short bolts. Bending connector 21 spanning between tubes 12.
Can be assembled. As shown in FIGS. 5 and 6, between the two short pipes 12, a protective pipe 41 having rigidity such as a hard synthetic resin pipe or a metal pipe for protecting the bellows portion of the bellows structure 22 from an external force. Is provided.
【００１６】この実施の形態１において、両短管１２の
各管路１３に対向する開口部には、これら管路１３より
も大径の接続孔１４がそれぞれ形成されており、一方の
短管１２の各接続孔１４には、ブタジエンゴム等の粘着
ゴム材４２によって各保護パイプ４１の一端部が揺動可
能にそれぞれ弾性的に支持され、前記各保護パイプ４１
の他端部が他方の接続孔１４の中央付近まで遊嵌されて
各保護パイプ４１の揺動及び管方向の移動が許容される
ようになっている。さらに、各保護パイプ４１の内径は
短管１２の管路１３の内径と略同径に形成されている。In the first embodiment, connecting holes 14 having a diameter larger than those of the pipes 13 are formed in the openings of the two short pipes 12 facing the pipes 13, respectively. One end of each protective pipe 41 is swingably and elastically supported in each of the connecting holes 14 by an adhesive rubber material 42 such as butadiene rubber.
The other end of the protective pipe 41 is loosely fitted to the vicinity of the center of the other connecting hole 14 so that the protection pipes 41 are allowed to swing and move in the pipe direction. Further, the inner diameter of each protection pipe 41 is formed to be substantially the same as the inner diameter of the conduit 13 of the short pipe 12.
【００１７】この実施の形態の管体の屈曲接続管１１は
上述したように構成される。したがって、施工現場にお
いて、管体１を屈曲して配管し地中に埋設する場合、図
２に示すように、管体１の端面にシールパッキン５１を
介して一方の短管１２の端面が接続される。そして、図
１と図２に示すように、屈曲接続管１１は、その蛇腹構
造体２２の蛇腹部において、所要とする曲げ半径をもっ
て屈曲される。また、前記屈曲接続管１１の他方の短管
１２の端面には、これとは別の屈曲接続管１１の一方の
短管１２の端面がシールパッキン５１を介して接続さ
れ、その屈曲接続管１１がその蛇腹構造体２２の蛇腹部
において、所要とする曲げ半径をもって屈曲される。The bending connection pipe 11 of the pipe body of this embodiment is constructed as described above. Therefore, in the construction site, when the pipe body 1 is bent and piped to be buried in the ground, as shown in FIG. 2, the end face of one short pipe 12 is connected to the end face of the pipe body 1 through the seal packing 51. To be done. Then, as shown in FIGS. 1 and 2, the bending connecting pipe 11 is bent in the bellows portion of the bellows structure 22 with a required bending radius. Further, the end surface of the other short pipe 12 of the bending connecting pipe 11 is connected to the end face of one short pipe 12 of another bending connecting pipe 11 via a seal packing 51, and the bending connecting pipe 11 Is bent with a required bending radius in the bellows portion of the bellows structure 22.
【００１８】すなわち、図２に示すように、管体１を屈
曲して配管する場合、その屈曲長さに応じて所要数の屈
曲接続管１１が直列に配列されて使用され、最前列の屈
曲接続管１１の短管１２の端面には管体１がシールパッ
キン５１を介して接続されることで、管体１が屈曲して
配管される。これによって、管体１及び短管１２の管路
１３が屈曲して連通され、その管路１３には通信線、逆
電線等が挿通され、地中に埋設される。That is, as shown in FIG. 2, when the pipe body 1 is bent and piped, a required number of bending connection pipes 11 are arranged in series according to the bending length of the pipe body 1 and used. The pipe body 1 is connected to the end surface of the short pipe 12 of the connection pipe 11 via the seal packing 51, so that the pipe body 1 is bent and piped. As a result, the pipe 1 and the pipe 13 of the short pipe 12 are bent and communicated with each other, and the communication line, the reverse electric wire, etc. are inserted into the pipe 13 and buried in the ground.
【００１９】屈曲接続管１１が地中に埋設されると、そ
の土圧が蛇腹構造体２２の蛇腹部に作用するが、その蛇
腹部は保護パイプ４１によって保護されるため、前記蛇
腹部が過大に変形されることが防止され、土圧によって
蛇腹部が破損される不具合が生じない。また、屈曲接続
管１１がその蛇腹構造体２２において所要とする曲げ半
径で屈曲される際、その両短管１２の間の保護パイプ４
１は、その一端部が一方の短管１２の接続孔１４に粘着
ゴム材４２によって弾性的に支持され、同保護パイプ４
１の他端部が他方の短管１２の接続孔１４に対し遊嵌状
態をなしているため、保護パイプ４１は、前記屈曲を妨
げることなく、その屈曲に追従して搖動する。When the bending connecting pipe 11 is buried in the ground, the earth pressure acts on the bellows portion of the bellows structure 22, but since the bellows portion is protected by the protection pipe 41, the bellows portion is excessively large. It is prevented from being deformed and the trouble that the bellows part is damaged by the earth pressure does not occur. Further, when the bending connecting pipe 11 is bent in the bellows structure 22 with a required bending radius, the protective pipe 4 between the two short pipes 12 is bent.
1 has one end elastically supported by the adhesive rubber material 42 in the connection hole 14 of the one short pipe 12, and the protection pipe 4
Since the other end of 1 is loosely fitted in the connection hole 14 of the other short pipe 12, the protective pipe 41 swings following the bending without hindering the bending.
【００２０】また、前記保護パイプ４１の内径は、短管
１２の管路１３の径とほぼ同径に形成されるため、管路
１３と保護パイプ４１との間に生じる段差面を積極的に
軽減することができ、通信線等の挿通作業を容易に行う
ことができる。また、屈曲接続具２１において、その蛇
腹構造体２２の両端末縁２３に剛性を有する端板３１が
組付けられているから、短管１２の端面に対し屈曲接続
具２１をその端板３１において締付ボルト１６とナット
１７によって強固に締付け固定することができる。さら
に、蛇腹構造体２２の両端末縁２３に端板３１を組付け
る場合、図６に示すように、端末縁２３の係止突部２５
を端板３１の凹部３２に圧入することで、同係止突部２
５の係止爪２４が凹部３２内で弾性変形して係着し、こ
れによって端板を容易にかつ確実に組付けることができ
る。また、蛇脱構造体２２の両端末縁２３の外側面に突
設された弾性リップ２６が短管１３の端面に弾性的に密
接するため、シール不良を防止することができる。Further, since the inner diameter of the protection pipe 41 is formed to be substantially the same as the diameter of the conduit 13 of the short pipe 12, the step surface formed between the conduit 13 and the protection pipe 41 is positively formed. It is possible to reduce the number, and it is possible to easily insert the communication line or the like. Further, in the bending connector 21, since the end plates 31 having rigidity are assembled to both end edges 23 of the bellows structure 22, the bending connector 21 is attached to the end face of the short pipe 12 at the end plate 31. The tightening bolt 16 and the nut 17 can firmly tighten and fix. Further, when the end plates 31 are assembled to both end edges 23 of the bellows structure 22, as shown in FIG.
The locking protrusion 2
The locking claw 24 of No. 5 elastically deforms and engages in the recess 32, whereby the end plate can be easily and surely assembled. In addition, since the elastic lips 26 projectingly provided on the outer surfaces of both end edges 23 of the serpentine structure 22 elastically come into close contact with the end surface of the short tube 13, it is possible to prevent a sealing failure.
【００２１】なお、前記実施の形態においては、一対の
短管１２の間に跨がって屈曲接続具２１を組付けて使用
する場合を例示したが、これに限るものではない。例え
ば、管体（長管）１の端面に直接に屈曲接続具２１を組
付けて使用することもできる。また、屈曲接続具２１の
蛇腹構造体２２の両端末縁２３の肉厚を適宜に増加する
ことで、端板３１を一体に形成してもよく、さらに、端
板３１をクリップ、カプラ、接着剤等を用いて管体（長
管）１又は、短管１２の端面に取付けてもよい。さら
に、蛇腹構造体２２において、蛇腹部のひだの数は限定
するものではなく、例えば、図７の（Ａ）に示すように
ひだ２２ａが３つ、あるいはそれ以上あってもよく、図
７の（Ｂ）に示すように、ひだ２２ａが１つであっても
よい。In the above-described embodiment, the case where the bending connector 21 is assembled and used while straddling between the pair of short pipes 12 is illustrated, but the present invention is not limited to this. For example, the bending connector 21 may be directly attached to the end surface of the tubular body (long tube) 1 for use. Further, the end plates 31 may be integrally formed by appropriately increasing the thicknesses of both end edges 23 of the bellows structure 22 of the bending connector 21, and the end plates 31 may be further clipped, bonded, or bonded. It may be attached to the end surface of the tubular body (long tube) 1 or the short tube 12 by using an agent or the like. Further, in the bellows structure 22, the number of folds in the bellows is not limited, and for example, as shown in FIG. 7A, there may be three folds 22a or more folds. As shown in (B), the number of folds 22a may be one.
【００２２】[0022]
【発明の効果】以上述べたように、この発明によれば、
管体の端面に取付けられる屈曲接続具を、伸縮性に富む
蛇腹部において所望とする曲げ半径に容易に屈曲するこ
とができ配管作業性の向上を図ることができる。As described above, according to the present invention,
The bending connector attached to the end surface of the pipe body can be easily bent to a desired bending radius in the bellows portion that is highly stretchable, and the piping workability can be improved.
【図１】この発明の実施の形態を示すもので、管体の屈
曲接続管を屈曲した状態を示す縦断面図である。FIG. 1 shows an embodiment of the present invention and is a vertical cross-sectional view showing a state in which a bending connecting pipe of a tubular body is bent.
【図２】同じく使用説明図である。FIG. 2 is likewise an explanatory diagram of use.
【図３】同じく管体の屈曲接続管を示す縦断面図であ
る。FIG. 3 is a longitudinal sectional view showing a bending connecting pipe of the same tubular body.
【図４】同じく図３のIV−IV線に基づく横断面図であ
る。FIG. 4 is a transverse sectional view similarly taken along line IV-IV in FIG.
【図５】同じく図４のＶ−Ｖ線に基づく縦断面図であ
る。FIG. 5 is a vertical cross-sectional view taken along line VV of FIG.
【図６】同じく屈曲接続具を拡大して示す縦断面図であ
る。FIG. 6 is a vertical cross-sectional view showing an enlarged bending connector in the same manner.
【図７】蛇腹構造体の他の実施態様を示す縦断面図であ
る。FIG. 7 is a vertical cross-sectional view showing another embodiment of the bellows structure.
【図８】従来の曲り管の使用説明図である。FIG. 8 is a diagram illustrating the use of a conventional bent pipe.
１ 管体 １１ 屈曲接続管 １２ 短管 １３ 管路 １４ 接続孔 ２１ 屈曲接続具 ２２ 蛇腹構造体 ２３ 端末縁 ２５ 係止突部 ２６ 弾性リップ ３１ 端板 ３２ 凹部 ４１ 保護パイプ DESCRIPTION OF SYMBOLS 1 Pipe body 11 Bending connection pipe 12 Short pipe 13 Pipe line 14 Connection hole 21 Bending connection tool 22 Bellows structure 23 Terminal edge 25 Locking protrusion 26 Elastic lip 31 End plate 32 Concave 41 Protective pipe
フロントページの続き (72)発明者 古橋 正吉 愛知県西春日井郡師勝町大字熊之庄字西出 107番地の２ (72)発明者 野間 篤 愛知県大府市横根町坊主山１番地の64 化 成工業株式会社内Front page continuation (72) Inventor Masayoshi Furuhashi 107, Nishide, Kumanosho, Shimokatsu-cho, Nishikasugai-gun, Aichi Prefecture 2 (72) Inventor Atsuma Noma, 64, Boneyama, Yokone-cho, Aichi Prefecture Kasei Kogyo Co., Ltd. Within
Claims (7)
って組付けられ、かつ伸縮性に富む蛇腹部を有する屈曲
接続具と、を備えていることを特徴とする管体の屈曲接
続管構造。1. A pipe comprising a pair of short pipes, and a bending connector which is assembled so as to straddle both the short pipes and which has a bellows portion which is highly stretchable. Body bending connection tube structure.
において、両短管の間には、屈曲接続具の蛇腹部を外力
から保護するための剛性を有する保護パイプが設けられ
ていることを特徴とする管体の屈曲接続草構造。2. The bending connecting pipe structure for a pipe according to claim 1, wherein a protective pipe having rigidity for protecting the bellows portion of the bending connecting tool from an external force is provided between both short pipes. A bent connection grass structure of the tubular body characterized by the above.
において、両短管の管路の対向する開口部にはこれら管
路よりも大径の接続孔が形成され、一方の短管の接続孔
には、保護パイプの一端部が弾性的に支持されて揺動可
能とされ、同保護パイプの他端部が他方の短管の接続孔
に遊嵌されていることを特徴とする管体の屈曲接続管構
造。3. The bending connecting pipe structure for a pipe body according to claim 2, wherein connecting holes each having a diameter larger than those of the pipes are formed in opposing openings of the pipes of the two short pipes. One end of the protection pipe is elastically supported and swingable in the connection hole of the pipe, and the other end of the protection pipe is loosely fitted in the connection hole of the other short pipe. Bending connection tube structure of the pipe.
において、保護パイプの内径は短管の管路の内径と略同
径に形成されていることを特徴とする管体の屈曲接続管
構造。4. The bending connection pipe structure for a pipe according to claim 3, wherein the inner diameter of the protective pipe is formed to be substantially the same as the inner diameter of the conduit of the short pipe. Connection pipe structure.
ための屈曲接続具であって、 伸縮性に富む蛇腹構造体と、その蛇腹構造体の端部にそ
れぞれ設けられ、前記管体の端面に取付けられる剛性を
有する端板と、を備えていることを特徴とする管体の屈
曲接続具。5. A bending connector for bending and connecting a tubular body such as a long pipe or a short pipe, which is provided with a highly expandable bellows structure and an end portion of the bellows structure, respectively. An end plate having rigidity attached to an end surface of the pipe body, and a bending connector for the pipe body.
いて、蛇腹構造体の両端部には端板の外周部を被うよう
にして端末縁がそれぞれ形成され、その両端縁には前記
端板に形成された凹部に圧入されて弾状的に係着する係
止突部が形成されていることを特徴とする管体の屈曲接
続具。6. The bending connector for a tubular body according to claim 5, wherein terminal edges are formed at both ends of the bellows structure so as to cover the outer peripheral portions of the end plates, and both end edges are formed at the both edges. A bending connector for a tubular body, comprising a locking projection that is press-fitted into a recess formed in the end plate and elastically engages with the recess.
具において、蛇腹構造体の両端部には端板の外周部を被
うようにして端末縁がそれぞれ形成され、その両端末縁
には管体の端面に弾性的に密接する弾性リップがそれぞ
れ形成されていることを特徴とする管体の屈曲接続具。7. The bending connector for a pipe according to claim 5 or 6, wherein terminal edges are formed at both ends of the bellows structure so as to cover outer peripheral portions of the end plates, and both ends thereof are formed. A bending connector for a tubular body, wherein elastic lips that elastically come into close contact with the end surface of the tubular body are formed at the edges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8107519A JPH09292072A (en) | 1996-04-26 | 1996-04-26 | Bendingly connected pipe construction of pipe body, and bendingly connecting fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8107519A JPH09292072A (en) | 1996-04-26 | 1996-04-26 | Bendingly connected pipe construction of pipe body, and bendingly connecting fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09292072A true JPH09292072A (en) | 1997-11-11 |
Family
ID=14461263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8107519A Pending JPH09292072A (en) | 1996-04-26 | 1996-04-26 | Bendingly connected pipe construction of pipe body, and bendingly connecting fixture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09292072A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001336685A (en) * | 2000-05-26 | 2001-12-07 | Kuraray Co Ltd | Joint structure, joint, and executing method for concrete secondary product |
| CN105605341A (en) * | 2016-01-21 | 2016-05-25 | 文登蓝岛建筑工程有限公司 | Self-inspection easy-to-recognize rubber tube used for SIP plate pressing machine |
| CN114658933A (en) * | 2022-04-02 | 2022-06-24 | 青岛宏泰铜业有限公司 | Copper pipe is connected to adjustable type in bending angle |
-
1996
- 1996-04-26 JP JP8107519A patent/JPH09292072A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001336685A (en) * | 2000-05-26 | 2001-12-07 | Kuraray Co Ltd | Joint structure, joint, and executing method for concrete secondary product |
| CN105605341A (en) * | 2016-01-21 | 2016-05-25 | 文登蓝岛建筑工程有限公司 | Self-inspection easy-to-recognize rubber tube used for SIP plate pressing machine |
| CN114658933A (en) * | 2022-04-02 | 2022-06-24 | 青岛宏泰铜业有限公司 | Copper pipe is connected to adjustable type in bending angle |
| CN114658933B (en) * | 2022-04-02 | 2024-02-20 | 青岛宏泰铜业有限公司 | Bending angle adjustable type connecting copper pipe |
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