JP4694259B2 - Bend pipe - Google Patents

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JP4694259B2
JP4694259B2 JP2005159643A JP2005159643A JP4694259B2 JP 4694259 B2 JP4694259 B2 JP 4694259B2 JP 2005159643 A JP2005159643 A JP 2005159643A JP 2005159643 A JP2005159643 A JP 2005159643A JP 4694259 B2 JP4694259 B2 JP 4694259B2
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pipe
bend pipe
bend
joint portion
circumferential direction
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猛文 石井
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Cosmo Koki Co Ltd
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Description

本発明は、管路部材を構成する、管路部材と接続可能な継手部と、管軸に沿って形成される曲部とからなるベンド管に関する。   The present invention relates to a bend pipe that includes a joint portion that can be connected to a pipe line member and a curved part that is formed along the pipe axis.

従来のベンド管は、例えば内部に流路を形成する管路部材を構成し、継手部にて他の直管若しくはベンド管等の配管部材と接続しているが、ベンド管が他の配管部材と接続するに際して、ベンド管は少なくとも一部に管軸に沿って形成される曲部を有しており、ベンド管の一方の端部に形成される継手部の周方向における配設位置に応じて、他方の端部の向きが変わるために、ベンド管の配設位置を所望の向きに配設するためには、周方向における配設位置を特定する必要があった。（例えば、特許文献１参照）。   A conventional bend pipe, for example, constitutes a pipe member that forms a flow path therein, and is connected to another piping member such as a straight pipe or a bend pipe at a joint portion, but the bend pipe is another piping member. The bend pipe has at least a curved part formed along the pipe axis, depending on the circumferential position of the joint part formed at one end of the bend pipe. Since the direction of the other end changes, it has been necessary to specify the position in the circumferential direction in order to arrange the bend pipe in a desired direction. (For example, refer to Patent Document 1).

特開平９−２９６８８９号公報（第２頁、第４図）Japanese Patent Laid-Open No. 9-296889 (2nd page, FIG. 4)

しかしながら、特許文献１にあっては、管路部材の接続作業を狭隘若しくは暗所で実施する場合があり、例えば直管の接続作業とは異なり、このような場合においてはベンド管の周方向における配設位置の特定が難しく、ベンド管の一方の端部を接続しても、他方の端部が所望の位置にないため、再度一方の端部の接続作業を行わなければならず、作業効率が著しく低下する恐れがあった。   However, in Patent Document 1, the pipe member connection work may be performed in a narrow or dark place. For example, unlike the straight pipe connection work, in such a case, the pipe member is connected in the circumferential direction of the bend pipe. It is difficult to specify the installation position, and even if one end of the bend pipe is connected, the other end is not in the desired position, so one end must be connected again. There was a risk of a significant decrease.

特に、ベンド管の曲部が、単に垂直方向又は水平方向にのみ配置されるように、ベンド管を配管するのでなく、垂直方向に且つ水平方向にも曲がりを有するように、ベンド管を配管する場合があり、このような場合においては、ベンド管の周方向における配設位置の特定がさらに困難となる。   In particular, the bend pipe is not bent so that the bent portion of the bend pipe is arranged only in the vertical direction or the horizontal direction, but is bent in the vertical direction and also in the horizontal direction. In such a case, it is more difficult to specify the arrangement position in the circumferential direction of the bend pipe.

本発明は、このような問題点に着目してなされたもので、ベンド管の周方向における配設位置を所望の向きにスムーズに配設できるベンド管を提供することを目的とする。   The present invention has been made paying attention to such problems, and an object of the present invention is to provide a bend pipe that can be smoothly arranged in a desired direction in the circumferential position of the bend pipe.

上記課題を解決するために、本発明の請求項１に記載のベンド管は、端部に管路部材と接続可能な継手部と、管軸に沿って形成される曲部と、からなるベンド管であって、
前記継手部の外端近傍の外周面には、周方向に所定ピッチで複数のボルト孔が形成されており、該ボルト孔に外方から管軸に対し直交する方向に押し込みボルトが螺挿され、該押し込みボルトの前方に固定つめが設けられているとともに、
前記隣り合わせのボルト孔間でかつ前記継手部近傍における外周面に、前記管路部材に対する前記継手部の周方向における配設位置を特定する印体が、前記曲部の曲方向と関連づけた形状に形成され、かつ管軸方向に所定長さの凸状により複数形成されていることを特徴としている。
この特徴によれば、ベンド管の継手部近傍における外周面の所定箇所に印体が形成されているため、印体を利用して確認しながらベンド管の周方向における配設位置を所望の向きにスムーズに配設できる。
また、ベンド管の外周面の周方向上に複数個形成されているため、ベンド管を精確に配設できる。
また、印体が外周面より凸状に形成されており、印体を視覚ばかりか接触によっても認識可能なため、ベンド管の配設施工箇所が、狭隘若しくは暗所であっても、ベンド管の周方向における配設位置を特定できる。
また、印体が、管軸方向に所定長さを有しているため、ベンド管の管軸と、管路部材の管軸とを略一致させて配設することが容易となる。
さらに、印体が、曲部の曲方向と関連づけた形状に形成されており、ベンド管の一端側に形成された印体を識別して接続することにより、他端側の端部の向きを認識できるため、ベンド管の配設施工箇所が、狭隘若しくは暗所であっても、ベンド管の他端側の周方向における向きを特定できる。 In order to solve the above-mentioned problem, a bend pipe according to claim 1 of the present invention is a bend comprising a joint portion connectable to a pipe member at an end portion, and a curved portion formed along the tube axis. A tube,
A plurality of bolt holes are formed at a predetermined pitch in the circumferential direction on the outer peripheral surface in the vicinity of the outer end of the joint portion, and push bolts are screwed into the bolt holes from the outside in a direction perpendicular to the tube axis. A fixing claw is provided in front of the pushing bolt ,
On the outer peripheral surface between the adjacent bolt holes and in the vicinity of the joint portion, a marking that specifies the arrangement position in the circumferential direction of the joint portion with respect to the pipe member has a shape associated with the bending direction of the curved portion. A plurality of protrusions having a predetermined length in the tube axis direction are formed .
According to this feature, since the marking body is formed at a predetermined position on the outer peripheral surface in the vicinity of the joint portion of the bend pipe, the arrangement position in the circumferential direction of the bend pipe is determined in a desired direction while checking using the marking body. Can be arranged smoothly.
Further, since a plurality of bend pipes are formed on the circumferential direction of the outer peripheral surface of the bend pipe, the bend pipe can be accurately arranged.
In addition, since the marking body is formed in a convex shape from the outer peripheral surface, and the marking body can be recognized not only by vision but also by contact, the bend pipe can be installed even in a narrow or dark place. The arrangement position in the circumferential direction can be specified.
In addition, since the marking body has a predetermined length in the tube axis direction, it is easy to dispose the bend tube tube axis and the tube member tube axis substantially in line.
Furthermore, the stamp is formed in a shape associated with the bending direction of the curved portion, and by identifying and connecting the stamp formed on one end side of the bend pipe, the orientation of the end portion on the other end side is determined. Since it can recognize, even if the arrangement | positioning installation location of a bend pipe is a narrow place or a dark place, the direction in the circumferential direction of the other end side of a bend pipe can be specified.

本発明の請求項２に記載のベンド管は、請求項１に記載のベンド管であって、前記継手部が、両端部にも備えられており、前記印体が、前記両端部に形成されていることを特徴としている。
この特徴によれば、ベンド管の両端部に印体が形成されており、ベンド管の配設位置が両端部においての特定できるため、いずれの端部から配設しても、ベンド管の配設位置を特定できる。 A bend pipe according to a second aspect of the present invention is the bend pipe according to the first aspect, wherein the joint portion is provided at both end portions , and the marking body is formed at the both end portions. It is characterized by having.
According to this feature, the markings are formed at both ends of the bend pipe, and the bend pipe can be located at both ends. Therefore, the bend pipe can be arranged from either end. The installation position can be specified.

本発明の実施例を以下に説明する。   Examples of the present invention will be described below.

本発明の実施例を図面に基づいて説明すると、先ず図1は、本発明の第１実施例におけるベンド管を含む管路部材の配設状況を示す概略図である。図２（ａ）は、本発明のベンド管を示す平面図であり、（ｂ）は同じくＡ−Ａ断面図である。図３（ａ）は、本発明のベンド管であるエルボ管を示す平面図であり、（ｂ）は同じく乙字管を示す平面図である。図４は、図３（ａ）のＢ−Ｂ断面図である。   An embodiment of the present invention will be described with reference to the drawings. First, FIG. 1 is a schematic view showing an arrangement of pipe members including a bend pipe in the first embodiment of the present invention. Fig.2 (a) is a top view which shows the bend pipe | tube of this invention, (b) is AA sectional drawing similarly. Fig.3 (a) is a top view which shows the elbow pipe | tube which is a bend pipe | tube of this invention, (b) is a top view which similarly shows a B-shaped pipe | tube. 4 is a cross-sectional view taken along the line BB in FIG.

先ず、本発明のベンド管２は、本実施例の図１にて示されるように、例えば地中に配設される管路部材１の一部として曲部を構成するのに用いられ、直管或いはＴ字管等の他の配管部材と接続され、配管内部に形成される経路を、例えば上下水道やガスなどの流体が流下したり、或いは電線等が配線されたりするようになっている。   First, as shown in FIG. 1 of the present embodiment, the bend pipe 2 of the present invention is used, for example, to form a curved portion as a part of a pipe member 1 disposed in the ground. Connected to other piping members such as pipes or T-shaped pipes, fluid such as water and sewage and gas flow down, or wires and the like are routed through the path formed inside the piping. .

特に、地中には既設管若しくは既設ケーブルなどの既設の埋設物３が埋設されていることが多く、該埋設物３を回避して管路部材１を配設するために、管軸に沿って形成される曲部からなるベンド管２を多用することにより、所望の配管経路を構成できる。   In particular, existing buried objects 3 such as existing pipes or cables are often buried in the ground, and in order to avoid the buried objects 3 and to arrange the pipe member 1 along the pipe axis. By using a large number of bend pipes 2 formed of curved portions, a desired piping path can be configured.

本発明のベンド管２は、図２に示されるように、両方の端部に他の管路部材と接続可能な継手部５と、管軸Ｃに沿って形成される曲部６とからなり、他の管路部材との接続により配管経路の一部を構成する。   As shown in FIG. 2, the bend pipe 2 of the present invention includes a joint part 5 that can be connected to other pipe members at both ends, and a curved part 6 formed along the pipe axis C. A part of the piping path is configured by connection with another pipe member.

尚、図２（ａ）に示されるベンド管２は、曲部６により管軸Ｃに沿って４５度湾曲した形状に形成されているが、該湾曲する角度或いは曲線の曲がり度合いを表す量である曲率は、本発明にとって特段の意味は無く、例えば図３（ａ）に示されるエルボ管２ａ若しくは図３（ｂ）に示される乙字管２ｂのように、少なくとも一部に管軸に沿って曲部が形成されていれば、本発明に示すベンド管であると定義する。さらに、エルボ管２ａ若しくは乙字管２ｂのように、継手部５が一端側のみに形成されていてもよい。   The bend pipe 2 shown in FIG. 2 (a) is formed into a shape that is bent 45 degrees along the pipe axis C by the curved portion 6, but is an amount that represents the bending angle or the degree of curve bending. A certain curvature has no particular meaning for the present invention. For example, the elbow pipe 2a shown in FIG. 3 (a) or the end-shaped pipe 2b shown in FIG. 3 (b) is at least partially along the pipe axis. If the curved portion is formed, it is defined as the bend pipe shown in the present invention. Furthermore, the joint part 5 may be formed only on one end side like the elbow pipe 2a or the Otsuji pipe 2b.

また、ベンド管２の両方の端部に形成される継手部５、５は、曲部６に形成される中央部における内径と比較して大なる内径に形成されており、内周面には周方向に沿って設けられる凹部５ａに一部が嵌合されたシール部材８が形成されている。   Further, the joint portions 5 and 5 formed at both ends of the bend pipe 2 are formed to have an inner diameter larger than the inner diameter at the central portion formed at the curved portion 6, A seal member 8 partially formed in a recess 5a provided along the circumferential direction is formed.

次に、ベンド管２の継手部５について説明すると、継手部５の外端近傍の外周面には、周方向に所定ピッチでボルト孔５ｂが形成されており、ベンド管２の外方から管軸Ｃに対し直交する方向に螺挿される押し込みボルト９が形成されている。さらに、押し込みボルト９の前方には、固定つめ１０が設けられている。   Next, the joint part 5 of the bend pipe 2 will be described. Bolt holes 5b are formed at a predetermined pitch in the circumferential direction on the outer peripheral surface in the vicinity of the outer end of the joint part 5, and the pipe from the outside of the bend pipe 2 is formed. A pushing bolt 9 that is screwed in a direction orthogonal to the axis C is formed. Further, a fixing claw 10 is provided in front of the push-in bolt 9.

図２（ａ）に示されるように、ベンド管２の中央部における内径と略同径の内径を有する直管１１の端部を、ベンド管２の継手部５の内側に嵌挿すると、前述のシール部材８によりベンド管２の内周面と直管１１の外周面との間隙が周方向に亘って密封される。次に、押し込みボルト９を螺挿することにより、固定つめ１０が管軸Ｃに対し直交する方向に押圧され直管１１の外周面に食い込み、互いに接続されたベンド管２と直管１１とが固定される。このように、ベンド管２と直管１１との接続により形成される管路内部の流体は漏洩することがない。   As shown in FIG. 2A, when the end of the straight pipe 11 having an inner diameter substantially the same as the inner diameter at the center of the bend pipe 2 is inserted into the joint part 5 of the bend pipe 2, The gap between the inner peripheral surface of the bend pipe 2 and the outer peripheral surface of the straight pipe 11 is sealed in the circumferential direction by the sealing member 8. Next, when the push-in bolt 9 is screwed, the fixed pawl 10 is pressed in a direction orthogonal to the tube axis C and bites into the outer peripheral surface of the straight pipe 11, and the bend pipe 2 and the straight pipe 11 connected to each other are connected. Fixed. Thus, the fluid inside the pipe formed by the connection between the bend pipe 2 and the straight pipe 11 does not leak.

また、本発明のベンド管２は、継手部５近傍における外周面に、管路部材１である直管１１に対する継手部５の周方向における配設位置を特定する印体７が形成されている。このようにすることで、印体７を目印にして確認しながらベンド管２の周方向における配設位置を所望の向きに配設できる。   Further, in the bend pipe 2 of the present invention, on the outer peripheral surface in the vicinity of the joint portion 5, a marking body 7 that specifies the arrangement position in the circumferential direction of the joint portion 5 with respect to the straight pipe 11 that is the conduit member 1 is formed. . By doing in this way, the arrangement | positioning position in the circumferential direction of the bend pipe | tube 2 can be arrange | positioned in a desired direction, confirming using the marking body 7 as a mark.

特に、ベンド管２は所定の角度を有して一方向に湾曲する曲部６を有しているために、図４に示されるように、ベンド管２の一端において、他の管路部材と接続する場合に、該管路部材に対する継手部５の周方向における配設位置を特定することにより、ベンド管２の他端における向きが定まるように形成される。   In particular, since the bend pipe 2 has a curved portion 6 that is curved in one direction at a predetermined angle, as shown in FIG. In the case of connection, it is formed so that the orientation at the other end of the bend pipe 2 is determined by specifying the arrangement position in the circumferential direction of the joint portion 5 with respect to the pipe line member.

即ち、ベンド管２は直線部のみからなる直管１１等とは異なり、ベンド管２を他の管路部材と接続する場合には、一方の継手部５についてベンド管２の周方向における配設位置を限定して接続することを必要とする。   That is, the bend pipe 2 is different from the straight pipe 11 or the like consisting of only a straight portion, and when the bend pipe 2 is connected to another pipe member, the bend pipe 2 is arranged in the circumferential direction of the bend pipe 2. It is necessary to connect in a limited position.

また、本発明のベンド管２に形成される印体７は、継手部５における外周面の上下両端箇所及び左右両端箇所に形成されている。このようにすることで、ベンド管２を管路部材である直管１１と精確に接続できる。   Moreover, the marking body 7 formed in the bend pipe 2 of the present invention is formed at the upper and lower end portions and the left and right end portions of the outer peripheral surface of the joint portion 5. By doing in this way, the bend pipe | tube 2 can be accurately connected with the straight pipe | tube 11 which is a pipe line member.

特に、本発明のベンド管２は、両方の端部に形成される継手部５、５のいずれにも印体７、７が形成されており、このようにすることで、ベンド管２の周方向における配設位置が両方の端部においての特定できるため、いずれの端部から配設しても、ベンド管２の配設位置を特定できる。   In particular, the bend pipe 2 of the present invention has the markings 7 and 7 formed on both the joint parts 5 and 5 formed at both ends. Since the disposition position in the direction can be specified at both ends, the disposition position of the bend pipe 2 can be specified even if it is disposed from either end.

さらに、本発明のベンド管２に形成される印体７は、継手部５の外周面よりも凸状に形成されており、このようにすることで、印体７を視覚ばかりか接触によっても認識可能なため、ベンド管２の配設施工箇所が、狭隘若しくは暗所であっても、ベンド管２の周方向における配設位置を特定できる。特に、図１に示されるように、管路部材１は地中に配設される場合が多く、ベンド管２の配設施工箇所が狭隘若しくは暗所であるケースが数多く見られるため、上記のように、ベンド管２の周方向における配設位置を接触によって認識できる利点が発揮される。   Further, the marking body 7 formed on the bend pipe 2 of the present invention is formed in a convex shape from the outer peripheral surface of the joint portion 5, and in this way, the marking body 7 can be visually or contacted. Since it can recognize, even if the arrangement | positioning construction location of the bend pipe 2 is a narrow place or a dark place, the arrangement position in the circumferential direction of the bend pipe 2 can be specified. In particular, as shown in FIG. 1, the pipe member 1 is often disposed in the ground, and there are many cases where the bend pipe 2 is disposed in a narrow or dark place. Thus, the advantage which can recognize the arrangement | positioning position in the circumferential direction of the bend pipe 2 by contact is exhibited.

尚、上記のように印体７を接触により識別するためには、印体７を凸状に形成するのみでなく、例えば凹状に形成することも考えられるが、印体７を該凹状に形成するとすれば、図１に示されるような地中において管路部材１が配管されている場合に、地中を開削する際に配設施工箇所において発生する土砂等が該凹状部を埋設することにより、前記設触による識別が困難になる場合があり、係る場合を勘案すると、上記のように印体７を凸状に形成する方がより優れていると考えられる。   In order to identify the printing body 7 by contact as described above, it is possible to form the printing body 7 not only in a convex shape but also in a concave shape, for example, but the printing body 7 is formed in the concave shape. Then, when the pipe member 1 is piped in the ground as shown in FIG. 1, earth and sand etc. generated at the installation construction site when excavating the ground should bury the concave portion. Therefore, the identification by the touch may be difficult, and considering such a case, it is considered that it is better to form the stamp 7 in a convex shape as described above.

また、図２（ａ）に示されるように、本発明のベンド管２に形成される印体７は、管軸Ｃ方向と略平行に所定長さを有しており、このようにすることで、ベンド管２の管軸Ｃと、管路部材である直管１１、１１’の管軸Ｄ、Ｄ’とを略一致させて接続することが容易となる。   Further, as shown in FIG. 2 (a), the marking body 7 formed on the bend pipe 2 of the present invention has a predetermined length substantially in parallel with the pipe axis C direction. Thus, it is easy to connect the pipe axis C of the bend pipe 2 and the pipe axes D and D ′ of the straight pipes 11 and 11 ′, which are pipe members, substantially in alignment.

以上、本発明の実施例を図面により説明してきたが、具体的な構成はこれら実施例に限られるものではなく、本発明の要旨を逸脱しない範囲における変更や追加があっても本発明に含まれる。   Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and modifications and additions within the scope of the present invention are included in the present invention. It is.

例えば、本実施例におけるベンド管２の継手部５に周方向に亘って所定間隔に形成される形成される印体７は、全て同一の所定長を有する形状に形成されているが、印体は、必ずしも同一の形状に形成する必要はなく、例えばベンド管２の周方向において、曲部６の曲方向に相当する位置に形成された印体が、該印体とは別の箇所に形成された他の印体と比較して、大型にするとか或いは２本の線状にする等の、曲部６の曲方向と関連づけた形状に形成してもよい。   For example, the formed marking bodies 7 formed at predetermined intervals over the circumferential direction in the joint portion 5 of the bend pipe 2 in this embodiment are all formed in a shape having the same predetermined length. Are not necessarily formed in the same shape. For example, in the circumferential direction of the bend pipe 2, a marking formed at a position corresponding to the bending direction of the curved portion 6 is formed at a location different from the marking. It may be formed in a shape associated with the bending direction of the curved portion 6 such as a larger size or two linear shapes as compared with other printed bodies.

このようにすることで、印体が、曲部６の曲方向と関連づけた形状に形成されており、ベンド管２の一端側に形成された印体を識別して接続することにより、他端側の端部の向きを認識できるため、ベンド管の配設施工箇所が、狭隘若しくは暗所であっても、ベンド管の他端側の周方向における向きを特定できる。   By doing in this way, the stamp is formed in a shape associated with the bending direction of the curved portion 6, and the other end is identified by connecting the stamp formed on one end side of the bend pipe 2. Since the direction of the end portion on the side can be recognized, the direction in the circumferential direction on the other end side of the bend tube can be specified even if the place where the bend tube is disposed is narrow or dark.

また、上記実施例では、ベンド管２と接続される管路部材として、ベンド管２と直管１１、１１’とが接続されているが、管路を構成する部材であればベンド管２と接続されるのは直管１１、１１’に限らず、例えばＴ字管或いはエルボ管若しくはホース等の管路部材であってもよい。   Moreover, in the said Example, although the bend pipe 2 and the straight pipes 11 and 11 'are connected as a pipe line member connected with the bend pipe 2, if it is a member which comprises a pipe line, the bend pipe 2 and What is connected is not limited to the straight pipes 11 and 11 ′, but may be a pipe member such as a T-shaped pipe, an elbow pipe, or a hose.

また、上記実施例では、本発明のベンド管２を含む管路部材１は、地中において配設されているが、該管路部材の配設箇所は、地中のみに限られず、例えば地上或いは地下における所定の空間であってもよいし、さらに水中であってもよい。   Moreover, in the said Example, although the pipe line member 1 containing the bend pipe | tube 2 of this invention is arrange | positioned in the ground, the arrangement | positioning location of this pipe member is not restricted only in the ground, For example, the ground Alternatively, it may be a predetermined space in the basement, or may be underwater.

また、印体７は、継手部５における外周面の上下両端箇所及び左右両端箇所に形成されている例で説明したが、特にこの位置に限定されるものではなく、複数個あればその数に応じてより精確に位置決めされることは言うまでもない。   Moreover, although the stamp 7 demonstrated in the example currently formed in the up-and-down both ends and right-and-left both ends of the outer peripheral surface in the joint part 5, it is not specifically limited to this position, If there are two or more, it will be in the number Needless to say, the positioning is more accurate.

本発明の第１実施例におけるベンド管を含む管路部材の配設状況を示す概略図である。It is the schematic which shows the arrangement | positioning condition of the pipe line member containing the bend pipe | tube in 1st Example of this invention. （ａ）は、本発明のベンド管を示す平面図であり、（ｂ）は同じくＡ−Ａ断面図である。(A) is a top view which shows the bend pipe | tube of this invention, (b) is AA sectional drawing similarly. （ａ）は、本発明のベンド管であるエルボ管を示す平面図であり、（ｂ）は同じく乙字管を示す平面図である。(A) is a top view which shows the elbow pipe which is a bend pipe | tube of this invention, (b) is a top view which similarly shows a letter-shaped pipe. 図３（ａ）のＢ−Ｂ断面図である。It is BB sectional drawing of Fig.3 (a).

符号の説明Explanation of symbols

１ 管路部材
２ ベンド管
２ａ エルボ管（ベンド管）
２ｂ 乙字管（ベンド管）
３ 埋設物
５ 継手部
５ａ ボルト孔
５ｂ 凹部
６ 曲部
７ 印体
８ シール部材
９ 押し込みボルト
１０ 固定つめ
１１、１１’ 直管
Ｃ、Ｄ、Ｄ’ 管軸 1 Pipeline member 2 Bend pipe 2a Elbow pipe (bend pipe)
2b Otsuji tube (bend tube)
3 Embedded object 5 Joint part 5a Bolt hole 5b Recess 6 Curved part 7 Marking body 8 Seal member 9 Push-in bolt 10 Fixed claw 11, 11 'Straight pipe C, D, D' Pipe shaft

Claims (2)

端部に管路部材と接続可能な継手部と、管軸に沿って形成される曲部と、からなるベンド管であって、
前記継手部の外端近傍の外周面には、周方向に所定ピッチで複数のボルト孔が形成されており、該ボルト孔に外方から管軸に対し直交する方向に押し込みボルトが螺挿され、該押し込みボルトの前方に固定つめが設けられているとともに、
前記隣り合わせのボルト孔間でかつ前記継手部近傍における外周面に、前記管路部材に対する前記継手部の周方向における配設位置を特定する印体が、前記曲部の曲方向と関連づけた形状に形成され、かつ管軸方向に所定長さの凸状により複数形成されていることを特徴とするベンド管。 It is a bend pipe comprising a joint portion connectable to a pipe line member at an end portion, and a curved portion formed along a pipe axis,
A plurality of bolt holes are formed at a predetermined pitch in the circumferential direction on the outer peripheral surface in the vicinity of the outer end of the joint portion, and push bolts are screwed into the bolt holes from the outside in a direction perpendicular to the tube axis. A fixing claw is provided in front of the pushing bolt ,
On the outer peripheral surface between the adjacent bolt holes and in the vicinity of the joint portion, a marking that specifies the arrangement position in the circumferential direction of the joint portion with respect to the pipe member has a shape associated with the bending direction of the curved portion. A bend pipe formed by a plurality of convex shapes having a predetermined length in the pipe axis direction . 前記継手部が、両端部にも備えられており、前記印体が、前記両端部に形成されている請求項１に記載のベンド管。 The bend pipe according to claim 1, wherein the joint portion is also provided at both end portions , and the marking body is formed at the both end portions .
JP2005159643A 2005-05-31 2005-05-31 Bend pipe Expired - Fee Related JP4694259B2 (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN103047503A (en) * 2012-11-29 2013-04-17 大连凯泓科技有限公司 Novel pipe connector

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JP6279273B2 (en) * 2013-09-30 2018-02-14 積水化学工業株式会社 Piping unit and piping construction method
JP6377895B2 (en) * 2013-09-30 2018-08-22 積水化学工業株式会社 Piping unit and piping construction method
JP6279274B2 (en) * 2013-09-30 2018-02-14 積水化学工業株式会社 Piping unit and piping construction method
JP7054057B2 (en) * 2018-07-26 2022-04-13 株式会社ノーリツ Bend pipe and its manufacturing method

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JPS61135082U (en) * 1985-02-12 1986-08-22
JPS62199588U (en) * 1986-06-10 1987-12-18
JPH0288086U (en) * 1988-12-26 1990-07-12
JPH11141756A (en) * 1997-11-13 1999-05-28 Sekisui Chem Co Ltd Pipe body

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JPS56171493U (en) * 1980-05-22 1981-12-18
JPS59168090U (en) * 1983-04-25 1984-11-10 キクチコ−ルドヘツタ−株式会社 pipe
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103047503A (en) * 2012-11-29 2013-04-17 大连凯泓科技有限公司 Novel pipe connector

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