WO2011136176A1 - ケーブル保護管接続用ブロック体及びケーブル保護管の接続構造 - Google Patents
ケーブル保護管接続用ブロック体及びケーブル保護管の接続構造 Download PDFInfo
- Publication number
- WO2011136176A1 WO2011136176A1 PCT/JP2011/060063 JP2011060063W WO2011136176A1 WO 2011136176 A1 WO2011136176 A1 WO 2011136176A1 JP 2011060063 W JP2011060063 W JP 2011060063W WO 2011136176 A1 WO2011136176 A1 WO 2011136176A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cable protection
- insertion hole
- protection tube
- block body
- locking piece
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/10—Installations of electric cables or lines in or on the ground or water in cable chambers, e.g. in manhole or in handhole
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0475—Tubings, i.e. having a closed section formed by a succession of articulated units
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
- H02G3/0616—Joints for connecting tubing to casing
- H02G3/0691—Fixing tubing to casing by auxiliary means co-operating with indentations of the tubing, e.g. with tubing-convolutions
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
Definitions
- the present invention relates to a block body that is attached to a side wall of a handhole or a manhole to connect a cable protection pipe for underground burial and a connection structure of a cable protection pipe using the block body.
- a concrete block body in which a synthetic resin bell mouth is embedded is fitted and fixed in a through hole formed in the side wall of the hand hole.
- the end of the cable protection tube is often inserted into the bell mouth.
- the block body disclosed in Patent Document 2 is made of resin concrete having better formability than mere concrete, and a female screw is formed in the insertion hole portion using the good formability. Yes. Then, the end portion of the cable protection tube is inserted into the insertion hole portion by screwing the female screw on the insertion hole portion side and the male screw on the end portion side of the cable protection tube. . Thereby, the troublesome post-processing for retaining is not required.
- a screw-in type it is necessary to perform the above-described screwing while rotating a generally heavy block body or a generally long cable protection tube, and still protect the cable to the block body. There was a problem that the pipe connection work became complicated.
- the present invention eliminates the above-mentioned problems, and does not embed a synthetic resin bell mouth, but has a structure in which an insertion hole portion for directly inserting the end portion of the cable protection tube is formed, It is an object of the present invention to provide a block body that can easily and reliably connect a cable protection tube without the need for troublesome post-processing for retaining, and a cable protection tube connection structure using the block body.
- the cable protection tube connecting block body 20 is attached to the side wall 2 of the handhole 1 or the manhole to connect the cable protection tube 5, and the end 9 of the cable protection tube 5 is inserted.
- the resin concrete block main body 21 in which the insertion hole 23 to be attached is formed, and a plurality of retaining members 22 made of synthetic resin or metal attached to the block main body 21 are provided.
- the end portions of the cable protection tube 5 are made of pieces 41, and the locking pieces 41 of the plurality of retaining members 22 are arranged at substantially equal intervals in the circumferential direction of the insertion hole 23.
- the engaging projection 11 at the end 9 of the cable protection tube 5 inserted into the insertion hole 23 is locked with the locking piece 41.. It prevents the end portion 9 of the cable protection tube 5 from coming off from the insertion hole portion 23.
- the block main body 21 is formed in a substantially cubic shape or a substantially rectangular parallelepiped shape in which the insertion hole portion 23 having a substantially circular cross section in the radial direction penetrates from the front side toward the back side.
- 22 fixed pieces 40 are embedded in a thick portion 28 around the insertion hole 23 of the block body 21.
- the wedge part 43 which protruded in the axial direction of the said insertion hole part 23 in the fixing piece 40 of each said retaining member 22 bites into the thick part 28 ... of the said block main body 21. As shown in FIG.
- the boundary portion 42 between the fixing piece 40 and the locking piece 41 in each retaining member 22 is exposed to the hole wall of the insertion hole 23, and the locking piece 41 is elastically deformed in the radially outward direction.
- the notch part 45 ... which promotes is formed.
- each retaining member 22 is formed in a plate shape in which the protruding amount in the radially inward direction gradually increases as the distance from the insertion opening end 24a of the insertion hole portion 23 increases. Furthermore, slits 44, 44 with open ends are formed in the locking pieces 41 of the retaining members 22 along the protruding direction, and the locking pieces 41 are arranged in the circumferential direction of the insertion hole portion 23. It is divided.
- the insertion hole 23 includes a large-diameter portion 24 having an insertion opening end 24a, a tapered portion 25 that is continuous with the large-diameter portion 24, and has a diameter reduced as the distance from the insertion opening end 24a increases. 25 and a bell mouth portion 27 that is continuous with the small-diameter portion 26 and has a diameter that increases as the distance from the insertion opening end 24a increases.
- the locking piece 41 is projected, and the taper portion 25 prevents the end portion 9 of the cable protection tube 5 from entering the small diameter portion 26.
- the block main body 21 is formed into a substantially cubic shape or a substantially rectangular parallelepiped shape in which the insertion hole portion 23 penetrates from the front side toward the back side, and the fitting convex portions 30 and 30 are formed on the plane side and one side surface side.
- fitting recesses 31 and 31 adapted to the fitting projections 30 and 30 are formed on the bottom surface side and the other side surface side thereof.
- the cable protection tube connection block 20 is attached to the handhole 1 or the side wall 2 of the manhole, and the cable protection tube 5 is inserted into the insertion hole 23 of the block body 21.
- the end portion 9 is inserted.
- an inclined guide surface 11a having an enlarged diameter is formed on the engagement convex portion 11 at the end 9 of the cable protection tube 5 as the distance from the tip of the cable protection tube 5 increases.
- the cable protection is provided while the structure is such that the insertion hole portion for inserting the end portion of the cable protection tube is directly formed without burying the synthetic resin bell mouth.
- the locking pieces of the plurality of retaining members are arranged at substantially equal intervals in the circumferential direction of the insertion hole portion, and each exhibits a retaining function independently.
- an external force such as an earthquake or ground subsidence that causes the cable protection tube to be pulled out in the direction of the tube axis or in an oblique direction acts, and some of the locking pieces may be damaged, Even if an unbalanced load is applied, the remaining locking piece can prevent the end of the cable protection tube from coming off from the insertion hole.
- the block main body is formed into a substantially cubic shape or a substantially rectangular parallelepiped shape having a substantially circular cross-section of the insertion hole portion, and by using a thick portion around the insertion hole portion of the block main body, A fixed piece is buried. Thereby, while securing each retaining member firmly and stably, it is not necessary to secure an extra thick portion in the block body, and the external dimensions of the block body can be kept small.
- the resin concrete block body is made of a different synthetic resin or metal retaining member. It can be fixed.
- the arrangement space of the locking piece in the insertion hole part is made as narrow as possible,
- the hole diameter of the insertion hole portion can be suppressed to the minimum necessary, and thereby the outer dimension of the block body can be suppressed small.
- the block bodies can be combined exactly so that positional displacement does not occur.
- the locking piece of each retaining member is pushed in by the inclined guide surface of the engagement convex portion at the end of the cable protection tube.
- the end of the cable protection tube can be inserted smoothly, and the cable protection tube can be connected more easily.
- a gap generated between the end portion of the cable protection tube and the hole wall of the insertion hole portion is formed by pressing the annular packing externally fitted to the end portion of the cable protection tube against the hole wall of the insertion hole portion. It can be blocked to ensure good water-stopping properties.
- FIG. 7 is a cross-sectional view taken along the line AA in FIG. 6. It is a top view of a retaining member. It is a longitudinal cross-sectional view near the retaining member of the block body.
- 1 to 3 show a cable protection tube connection structure according to an embodiment of the present invention.
- 1 is a hand hole (including a manhole) made of concrete or resin concrete, and a rectangular through-hole portion 3 is formed on the side wall 2 thereof.
- the cable protection tube 5 is a synthetic resin cable protection tube formed by blow molding, for example, and is buried in the ground, and cables such as electric wires and optical fiber cables are inserted through the tube.
- the cable protection tube 5 includes a convex portion 6 with a substantially square cross section in the tube radial direction and a concave portion 7 with a substantially circular cross section in the tube radial direction.
- Tube walls 8 alternately provided in the tube axis direction are provided.
- a male adapter 9 is integrally formed at one end of the tube wall 8, and a female adapter 10 is integrally formed at the other end.
- the male adapter 9 is fitted into the female adapter 10 of the other cable protective tube 5, and the female adapter 10 is fitted to the male adapter 9 of another cable protective tube 5. 5 ... are added and piped. Further, the end of the cable protection tube 5, that is, the male adapter 9, is inserted into the insertion hole 23 of the block body 21 in the block body 20 described later.
- the male adapter 9 has a substantially circular cross section in the tube diameter direction over the entire length in the tube axis direction, and an annular engagement convex portion 11 is formed in the vicinity of the tip (open end). ing.
- This engagement convex part 11 has an inclined guide surface 11a whose diameter increases as it goes away from the tip (opening end), and an engaging step surface 11b that rises in the tube radial direction on the rear end side of this inclined guide surface 11a.
- a pair of annular ribs 12, 12 project from the engagement convex portion 11 at intervals in the tube axis direction, and the annular packing 13 is fitted on the recessed groove portion between the annular ribs 12, 12. Has been.
- the block body 20 is a block body that is attached to the side wall 2 of the hand hole 1 and connects the cable protection tube 5. 6 to 8, the block body 20 includes a resin concrete block main body 21 and, for example, four synthetic resin retaining members 22 attached to the block main body 21. Yes.
- the block main body 21 by making the block main body 21 into resin concrete, it can aim at size reduction, weight reduction, and improvement of a moldability compared with the thing made from concrete, for example.
- the block body 21 is formed in, for example, a substantially rectangular parallelepiped shape, and has a front surface and a back surface of a substantially square shape with a side of about 75 mm, and a depth dimension from the front side to the back side of about 100 mm. And in this block main body 21, the insertion hole part 23 is penetratingly formed toward the back side from the front side, and the edge part, ie, the male adapter 9, of the cable protection tube 5 is inserted in this insertion hole part 23. It is designed to be inserted.
- the insertion hole portion 23 is formed in a substantially circular shape in the radial direction over the entire length in the axial direction.
- the insertion hole portion 23 has a large diameter portion 24 having an insertion opening end 24 a, and the large diameter portion 24.
- a tapered portion 25 having a reduced diameter as it moves away from the insertion opening end 24a, a small diameter portion 26 that continues to the taper portion 25, and a bell mouth portion 27 that continues to the small diameter portion 26 and increases in diameter as the distance from the insertion opening end 24a increases. It has. That is, the insertion hole portion 23 is formed so that the large diameter portion 24, the tapered portion 25, the small diameter portion 26, and the bell mouth portion 27 are successively arranged from the front side to the back side of the block main body 21. .
- the large-diameter portion 24 of the insertion hole portion 23 is slightly reduced in diameter as it goes away from the insertion opening end 24a, and its inner diameter is about 65 mm larger than the outer diameter of the male adapter 9 of the cable protection tube 5. It has become.
- the small-diameter portion 26 slightly increases in diameter as it moves away from the insertion opening end 24 a, and its inner diameter is about 50 mm smaller than the outer diameter of the male adapter 9 of the cable protection tube 5.
- the male adapter 9 of the cable protection tube 5 inserted from the insertion opening end 24 a of the large diameter portion 24 is prevented from entering the small diameter portion 26 at the tapered portion 25 and remains in the large diameter portion 24. Therefore, insertion more than necessary is regulated.
- four corner portions (four corner portions) around the insertion hole portion 23 are formed by inserting an insertion hole portion 23 having a substantially circular cross section between the front side and the back side.
- four side portions between the thick-walled corner portions 28... Are thin-walled portions (thin-walled side portions) 29.
- fitting convex portions 30, 30 are formed along a direction orthogonal to the axial direction of the insertion hole portion 23, and the bottom surface side
- fitting recesses 31, 31 that are fitted to the fitting projections 30, 30 are formed along a direction orthogonal to the axial direction of the insertion hole 23.
- the retaining member 22 is for preventing the male adapter 9 of the cable protection tube 5 inserted in the insertion hole portion 23 of the block main body 21 from being detached, as shown in FIGS. It consists of a fixed piece 40 fixed to the block body 21 and a locking piece 41 extending from the fixed piece 40.
- the fixing piece 40 is formed in a band plate shape having a thickness of about 2 mm that is curved along the circumferential direction of the insertion hole portion 23, and extends radially outward (the center of the insertion hole portion 23 from the hole wall of the large diameter portion 24. It is embedded in the thick corner portion 28 around the insertion hole portion 23 of the block main body 21 so as to enter in the direction away from the shaft.
- the fixed piece 40 has both end portions so that the width dimension (the dimension in the circumferential direction of the insertion hole portion 23) gradually decreases after increasing gradually from the boundary portion 42 with the locking piece 41 toward the tip portion. Notched into Yamagata.
- a sharp wedge portion 43 protruding in the axial direction of the insertion hole portion 23 (specifically, the direction away from the insertion opening end 24a of the large diameter portion 24) is formed at the distal end portion of the fixed piece 40. ing.
- the wedge portion 43 firmly bites into the thick-walled corner portion 28, so that the retaining member 22 made of synthetic resin, which is a different material, is firmly fixed to the block main body 21 made of resin concrete. Yes.
- the locking piece 41 is formed in a band plate shape having a thickness of about 1.5 mm and curved along the circumferential direction of the insertion hole 23.
- the locking piece 41 has a large diameter portion so that the amount of protrusion in the radially inward direction (direction approaching the central axis of the insertion hole portion 23) gradually increases as the distance from the insertion opening end 24a of the large diameter portion 24 increases. It protrudes within 24 and has elasticity in the radial direction of the insertion hole 23.
- both end portions thereof are slanted so that the width dimension (the dimension in the circumferential direction of the insertion hole portion 23) gradually decreases from the boundary portion 42 with the fixed piece 40 toward the tip portion. It is cut out.
- the engagement piece 41 is formed with a pair of slits 44, 44 with open ends at intervals in the circumferential direction of the insertion hole 23 along the projecting direction. Are divided into three in the circumferential direction of the insertion hole 23 to form three divided pieces 41a. Note that one or three or more slits 44 may be formed. In this case, the number of divided piece portions 41 a is increased or decreased according to the number of slits 44.
- each retaining member on the outer peripheral side of the retaining piece 41 of each retaining member 22 is formed in the hole wall of the insertion hole portion 23 in the block main body 21 (specifically, the hole wall of the large diameter portion 24). 22, a boundary portion 42 between the fixing piece 40 and the locking piece 41 is exposed, and a plurality of recessed groove-like notches 45... That promote elastic deformation of the locking piece 41. Is formed.
- each retaining member 22 is firmly and stably secured.
- the plate-like locking piece 41 of each retaining member 22 is arranged so as to be substantially along the hole wall of the insertion hole 23, and the arrangement space of the locking pieces 41... In the insertion hole 23. Therefore, the outer diameter can be further reduced by minimizing the hole diameter of the insertion hole 23 as much as possible.
- a plurality of block bodies 20 In connecting the cable protection pipes 5... To the hand hole 1 using the block bodies 20... Configured as described above, a plurality of block bodies 20. In the state, it fits in the through-hole part 3 formed in the side wall 2 of the hand hole 1. In this state, the block body 20... Is integrally fixed to the side wall 2 of the hand hole 1 by filling the gap between the through-hole portion 3 and the block body 20.
- the male adapter 9 of the cable protection tube 5 is inserted into the insertion hole 23 of each block body 20.
- the inclined guide surface 11a of the engaging convex portion 11 located at the tip of the male adapter 9 pushes the locking pieces 41 of the retaining members 22.
- the locking pieces 41... Are pushed outward in the radial direction against the elastic force to allow the male adapter 9 to be inserted into the insertion hole 23.
- the engagement increases in diameter as the distance from the distal end of the male adapter 9 increases with respect to the locking piece 41... That gradually increases in the radially inward direction as the distance from the insertion opening end 24a of the insertion hole 23 increases.
- the male adapter 9 can be smoothly inserted by the contact of the inclined guide surface 11 a of the convex portion 11.
- the locking piece 41 ⁇ is elastically restored in the radially inward direction by its elastic force. It protrudes inward and is engaged with the engaging step surface 11 b of the engaging projection 11 in the male adapter 9 inserted into the insertion hole 23. This prevents the male adapter 9 from coming off from the insertion hole 23.
- the annular packing 13 of the male adapter 9 is pressed against the hole wall of the insertion hole 23 while being elastically deformed, so that the holes of the male adapter 9 and the insertion hole 23 are formed.
- the gap generated between the walls is closed to ensure good water stoppage.
- the cable protection tube can be applied to the block body 20 while the male adapter 9 of the cable protection tube 5 is simply inserted into the insertion hole 23 of the block main body 21 and the removal prevention process and the water stop treatment are performed simultaneously. 5 can be connected with one touch.
- each locking piece 41 is divided into three parts and has three divided piece parts 41a,..., Each of the divided piece parts 41a can also exhibit a retaining function independently. . For this reason, for example, due to an earthquake or ground subsidence, an external force acting on the cable protective tube 5 in the direction of the tube axis or obliquely acts, so that some of the locking pieces 41 (divided piece portions 41a) are damaged. Even if a partial load may be applied to some of the locking pieces 41 (divided piece portions 41a), the remaining locking pieces 41... (Divided piece portions 41a. It is possible to prevent the protective tube 5 from coming off.
- the shape of the block body is not limited to a substantially rectangular parallelepiped shape, and may be a substantially cubic shape, for example.
- the number of insertion holes provided in the block body is not limited to one, and a plurality of insertion holes may be provided in parallel to each other as shown in FIG.
- the retaining member may not be made of synthetic resin, and may be made of metal, for example.
- the number of retaining members is not limited to four, and may be two, three, five or more, for example. Further, for example, as shown in FIG.
- the wedge portion of the fixing piece in the retaining member has a shape protruding so as to be spaced apart from each other in the axial direction of the insertion hole portion, and these are continuous in the radial direction of the insertion hole portion.
- the shape may be different.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Electric Cable Installation (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
Description
Claims (11)
- ハンドホール(1)又はマンホールの側壁(2)に取り付けて、ケーブル保護管(5)を接続するためのブロック体(20)であって、前記ケーブル保護管(5)の端部(9)を挿着する挿着孔部(23)を形成したレジンコンクリート製のブロック本体(21)と、このブロック本体(21)に取り付けた合成樹脂製又は金属製の複数の抜け止め部材(22)・・とを備え、各抜け止め部材(22)は、前記ブロック本体(21)に固定した固定片(40)と、この固定片(40)から前記挿着孔部(23)内に張り出すように延出して、前記挿着孔部(23)の径方向に弾性を有する係止片(41)とからなり、前記複数の抜け止め部材(22)・・の係止片(41)・・を、前記挿着孔部(23)の周方向に略等間隔に配置して、前記ケーブル保護管(5)の端部(9)における係合凸部(11)の押し込みによって、前記係止片(41)・・をその弾性力に抗して径外方向へ押し広げることで、前記挿着孔部(23)への前記ケーブル保護管(5)の端部(9)の差し込みを許容するとともに、前記挿着孔部(23)へ差し込んだ前記ケーブル保護管(5)の端部(9)における係合凸部(11)に、径内方向へ弾性復帰した前記係止片(41)・・を係止させることで、前記挿着孔部(23)からの前記ケーブル保護管(5)の端部(9)の抜けを阻止することを特徴とするケーブル保護管接続用ブロック体。
- 前記ブロック本体(21)を、径方向の断面が略円形状の前記挿着孔部(23)が正面側から背面側に向って貫通した略立方体状若しくは略直方体状として、前記各抜け止め部材(22)の固定片(40)を、前記ブロック本体(21)の挿着孔部(23)周りの厚肉部(28)・・に埋設した請求項1記載のケーブル保護管接続用ブロック体。
- 前記各抜け止め部材(22)の固定片(40)における前記挿着孔部(23)の軸方向に突出した楔部(43)を、前記ブロック本体(21)の厚肉部(28)・・に食い込ませた請求項2記載のケーブル保護管接続用ブロック体。
- 前記挿着孔部(23)の孔壁に、各抜け止め部材(22)における固定片(40)と係止片(41)との境界部分(42)を露出させて、前記係止片(41)の径外方向への弾性変形を促進させる切込部(45)・・を形成した請求項2又は3記載のケーブル保護管接続用ブロック体。
- 前記各抜け止め部材(22)の係止片(41)を、前記挿着孔部(23)の挿入開口端(24a)から遠ざかるにつれて径内方向への張り出し量が漸増した板状に形成した請求項1乃至4のいずれかに記載のケーブル保護管接続用ブロック体。
- 前記各抜け止め部材(22)の係止片(41)に、その張り出し方向に沿って先端開放のスリット(44)(44)を形成して、前記係止片(41)を前記挿着孔部(23)の周方向に分割した請求項5記載のケーブル保護管接続用ブロック体。
- 前記挿着孔部(23)は、挿入開口端(24a)を有する大径部(24)と、この大径部(24)に連続して前記挿入開口端(24a)から遠ざかるにつれて縮径したテーパー部(25)と、このテーパー部(25)に連続した小径部(26)と、この小径部(26)に連続して前記挿入開口端(24a)から遠ざかるにつれて拡径したベルマウス部(27)とを備え、前記大径部(24)内において前記各抜け止め部材(22)の係止片(41)を張り出させるとともに、前記テーパー部(25)において前記ケーブル保護管(5)の端部(9)の前記小径部(26)内への入り込みを阻止する請求項1乃至6のいずれかに記載のケーブル保護管接続用ブロック体。
- 前記ブロック本体(21)を、前記挿着孔部(23)が正面側から背面側に向って貫通した略立方体状若しくは略直方体状として、その平面側及び一方の側面側に嵌合凸部(30)(30)を形成するとともに、その底面側及び他方の側面側に前記嵌合凸部(30)(30)に適合した嵌合凹部(31)(31)を形成した請求項1乃至7のいずれかに記載のケーブル保護管接続用ブロック体。
- 請求項1乃至8のいずれかに記載のケーブル保護管接続用ブロック体(20)を、ハンドホール(1)又はマンホールの側壁(2)に取り付けて、ブロック本体(21)の挿着孔部(23)にケーブル保護管(5)の端部(9)を挿着したことを特徴とするケーブル保護管の接続構造。
- 前記ケーブル保護管(5)の端部(9)における係合凸部(11)に、前記ケーブル保護管(5)の先端から遠ざかるにつれて拡径した傾斜案内面(11a)を形成して、前記ブロック本体(21)の挿着孔部(23)への前記ケーブル保護管(5)の端部(9)の差し込み時に、前記係合凸部(11)の傾斜案内面(11a)によって前記係止片(41)・・を押し込むようにした請求項9記載のケーブル保護管の接続構造。
- 前記ケーブル保護管(5)の端部(9)に外嵌した環状パッキン(13)を、前記挿着孔部(23)の孔壁に圧接させるようにした請求項9又は10記載のケーブル保護管の接続構造。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180017312.8A CN102948028B (zh) | 2010-04-28 | 2011-04-25 | 缆线保护管连接用块体及缆线保护管的连接结构 |
KR1020127024895A KR20130020770A (ko) | 2010-04-28 | 2011-04-25 | 케이블 보호관 접속용 블록체 및 케이블 보호관의 접속 구조 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2010-103088 | 2010-04-28 | ||
JP2010103088A JP5413678B2 (ja) | 2010-04-28 | 2010-04-28 | ケーブル保護管接続用ブロック体及びケーブル保護管の接続構造 |
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WO2011136176A1 true WO2011136176A1 (ja) | 2011-11-03 |
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PCT/JP2011/060063 WO2011136176A1 (ja) | 2010-04-28 | 2011-04-25 | ケーブル保護管接続用ブロック体及びケーブル保護管の接続構造 |
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JP (1) | JP5413678B2 (ja) |
KR (1) | KR20130020770A (ja) |
CN (1) | CN102948028B (ja) |
WO (1) | WO2011136176A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2013038803A1 (ja) * | 2011-09-12 | 2013-03-21 | 株式会社利川プラスチック | ブロック体成形用金型 |
AT13097U1 (de) * | 2011-01-12 | 2013-06-15 | Kaiser Gmbh & Co Kg | Installationsteil |
WO2014127748A1 (zh) * | 2013-02-25 | 2014-08-28 | Guo Chunping | 一种喇叭嘴防松装置及防松方法 |
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JP2017026060A (ja) * | 2015-07-23 | 2017-02-02 | 本田技研工業株式会社 | 作動油供給パイプ |
WO2018154929A1 (ja) * | 2017-02-23 | 2018-08-30 | 古河電気工業株式会社 | 電線管、電線管の接続構造、ベルブロック、電線管同士の接続方法、電線管とベルブロックの接続方法、管継手、リング部材 |
WO2019035221A1 (ja) * | 2017-08-17 | 2019-02-21 | 古河電気工業株式会社 | 電線管用リング部材、雄型嵌合部のリング部材取り付け部への電線管用リング部材の取付け構造、リング部材の使用方法および電線管への電線管用リング部材の取り付け方法 |
JP6373542B1 (ja) * | 2017-08-17 | 2018-08-15 | 古河電気工業株式会社 | 電線管用リング部材、雄型嵌合部のリング部材取り付け部への電線管用リング部材の取付け構造、リング部材の使用方法および電線管への電線管用リング部材の取り付け方法 |
EP3703208B1 (en) | 2017-10-24 | 2022-10-05 | Furukawa Electric Co., Ltd. | Electric wire tube, electric wire tube connection structure, bell block, method for connecting electric wire tubes, method for connecting electric wire tube and bell block, tube joint, and ring member |
JP6391903B1 (ja) * | 2017-10-24 | 2018-09-19 | 古河電気工業株式会社 | 電線管、電線管の接続構造、ベルブロック、電線管同士の接続方法、電線管とベルブロックの接続方法、管継手、およびリング部材 |
CN113572092B (zh) * | 2021-07-19 | 2022-09-02 | 国网江西省电力有限公司电力科学研究院 | 装配式电缆保护管及其接地方法 |
JP7471673B2 (ja) | 2022-07-05 | 2024-04-22 | 共和ゴム株式会社 | 地中箱用管体接続ブロック |
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Publication number | Priority date | Publication date | Assignee | Title |
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AT13097U1 (de) * | 2011-01-12 | 2013-06-15 | Kaiser Gmbh & Co Kg | Installationsteil |
WO2013038803A1 (ja) * | 2011-09-12 | 2013-03-21 | 株式会社利川プラスチック | ブロック体成形用金型 |
JP2013059882A (ja) * | 2011-09-12 | 2013-04-04 | Toshikawa Plastic:Kk | ブロック体成形用金型 |
CN103781609A (zh) * | 2011-09-12 | 2014-05-07 | 株式会社利川塑料 | 块体成形用模具 |
WO2014127748A1 (zh) * | 2013-02-25 | 2014-08-28 | Guo Chunping | 一种喇叭嘴防松装置及防松方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20130020770A (ko) | 2013-02-28 |
CN102948028A (zh) | 2013-02-27 |
CN102948028B (zh) | 2016-10-12 |
JP2011234520A (ja) | 2011-11-17 |
JP5413678B2 (ja) | 2014-02-12 |
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