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WO2013100338A1 - Assemblage de tubes de communication pourvu d'une structure de raccordement pour protéger un câble optique - Google Patents

Assemblage de tubes de communication pourvu d'une structure de raccordement pour protéger un câble optique Download PDF

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Publication number
WO2013100338A1
WO2013100338A1 PCT/KR2012/008396 KR2012008396W WO2013100338A1 WO 2013100338 A1 WO2013100338 A1 WO 2013100338A1 KR 2012008396 W KR2012008396 W KR 2012008396W WO 2013100338 A1 WO2013100338 A1 WO 2013100338A1
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WO
WIPO (PCT)
Prior art keywords
inner tube
tube
exterior
pair
optical cable
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.)
Ceased
Application number
PCT/KR2012/008396
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English (en)
Korean (ko)
Inventor
김황경
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hyundai Industry Co Ltd
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Hyundai Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hyundai Industry Co Ltd filed Critical Hyundai Industry Co Ltd
Publication of WO2013100338A1 publication Critical patent/WO2013100338A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/4459—Ducts; Conduits; Hollow tubes for air blown fibres
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables

Definitions

  • the present invention relates to a communication tube assembly for protecting an optical cable, and in particular, a pair of optical cable protecting communication tubes composed of an inner tube and an outer tube having a joint structure for connecting and connecting a straight line while enhancing the strength of the connecting portion while perfecting the waterproofing of the inner and outer tubes.
  • a communication tube assembly for protecting optical cable is a communication tube assembly for protecting optical cable.
  • optical cables which are used for communication lines such as local and wide area networks and subscriber lines, are made of optical fibers made of very thin glass or plastic cores, and thus are extremely vulnerable to external shocks and influences. Therefore, the optical cable is inserted and installed in a dedicated protective communication tube that can prevent damage due to external impact and safely protect it.
  • Conventional conventional optical cable protection communication tube is composed of the inner tube and the appearance of a corrugated structure surrounding the inner tube in order to maintain the waterproof and impact resistance, and the joint for connecting and connecting the communication tubes to each other at certain lengths It will have a structure.
  • the joint structure is composed of the inner tube guide and the inner tube connecting coupler, the exterior waterproof ring, the exterior connecting cover, etc., using the joint structure is connected to the construction of a pair of optical cable protection communication tube attached drawings It is illustrated in FIG. 1.
  • a stripping process is required to expose the inner tube 1 by peeling the exterior 2 by a predetermined length using a cutter of a special shape as shown in 1.
  • trim the exposed part of the inner tube 1 and then use the jig J to fix the inner tube 1 and the exterior 2 in a straight line.
  • the inner tube guides 3 of the joint structure are respectively coupled to the inner tube 1 on both sides as shown in FIG. 3.
  • the inner pipe connecting coupler 4 of the joint structure is coupled to one inner tube 1, and the inner pipe connecting coupler 4 is connected to the other inner tube 1 as shown in 5.
  • the outer cover (2) is combined with the cover for connecting the exterior (5), respectively, to complete the connection.
  • Figure 8 shows the construction of the optical cable protection communication tube connected in this way.
  • the optical cable protection communication tube provided with the conventional joint structure described above is exposed in conjunction with a stripping process of exposing the inner tube by peeling the exterior by a certain length manually by using a special type of cutter when connecting and connecting a pair of optical cable protection communication tubes.
  • the process of trimming the inner tube is required, it is very difficult and difficult to perform the work of these processes, there is a problem that the productivity takes a lot of time to work.
  • the problem that the product defect is caused by the breakage of the inner tube due to carelessness during the stripping operation is a serious situation that needs improvement.
  • the present invention was developed in order to improve these conventional problems, the object of which is to simplify the connection and connection of the communication pipes and the assembly of the joint structure through the improvement of the structure of the joint structure without the stripping process of the appearance is made simple and easy It is therefore an object of the present invention to provide a communication cable assembly for protecting an optical cable having a joint structure which improves work productivity and prevents product defects.
  • Another object of the present invention is to provide a communication tube assembly for protecting an optical cable having a joint structure which achieves perfect waterproofing by a straight connection of an inner tube and an accurate bite, and has an excellent strength compensating effect on the connecting portion of the inner and outer tubes.
  • Still another object of the present invention is to provide a communication tube assembly for protecting an optical cable having a joint structure that can reduce the cost of connecting the communication tubes.
  • the present invention for achieving the above object is composed of a plurality of closely contacted in parallel to each other, the inner tube is inserted into the optical cable, the outer tube surrounding the inner tube as the outer appearance as a screw-type corrugated tube, and the inner tube and the outer It is provided with a joint structure for connecting a pair of optical cable protection communication tube configured in the longitudinal direction, the joint structure has the following characteristics.
  • an inner tube fixture is provided, the inner tube fixture having a ring portion disposed between the pair of optical cable protection communication tubes and having a through hole communicating with the inner tube, and between the inner tube and the exterior for each of the pair of optical cable protection communication tubes.
  • Comprising a shape that is matched to the formed space portion is provided with an insertion guide extending from the ring portion in the forward and rear directions to be inserted into the space portion.
  • an outer fixing connector is provided as a pair of ring-shaped members which are coupled to each other by a ring portion of the inner tube fixing member to a portion where the pair of optical cable protecting communication tubes are connected to each other.
  • a screw thread is formed on the inner circumferential surface so as to be screwed together, and a bolt for fixing the outer tube and the outer body in a vertical direction so that the inner tube and the outer body can be cut vertically before the connection operation of the pair of optical cable protection communication tubes is perpendicular to the outer surface
  • a vertical bolt fastening hole to be fastened is formed.
  • a gasket interposed between the ring portion of the inner tube fixing member and the outer fixing member is provided with a gasket for waterproofing the inner tube and the outer part, the gasket having a first hole communicating with the inner tube and a second hole through which the insertion guide penetrates.
  • the joint structure has the following features.
  • an inner tube fixture is provided, the inner tube fixture having a ring portion disposed between the pair of optical cable protection communication tubes and having a through hole communicating with the inner tube, and formed between the inner tube and the exterior for each pair of optical cable protection communication tubes.
  • a pair of members that surround and couple the inner tube fasteners to a portion where a pair of optical cable protection communication tube is connected to each other is provided with an external fixing connector, which consists of a structure having a flange against each other in the outer peripheral surface of the flange
  • the bolts are assembled in the normal state, and the vertical bolts are fastened in the direction perpendicular to the exterior so that the bolts for fastening the exterior and the exterior can be vertically cut so that the internal pipe and the exterior can be cut vertically before connecting a pair of optical cable protection communication tubes.
  • the ball is formed.
  • a gasket interposed between the ring portion of the inner tube fixing member and the outer fixing member is provided to waterproof the inner tube and the outer part.
  • the gasket has a structure in which a first hole communicating with the inner tube and a second hole through which the insertion guide penetrates are formed.
  • the inner tube waterproof surface and the exterior waterproof surface are provided.
  • the joint structure has the following features.
  • an inner tube fixture is provided, the inner tube fixture is disposed between the pair of optical cable protection communication tubes and has a through hole communicating with the inner tube, and has a threaded portion formed on an outer circumferential surface thereof, and each of the pair of optical cable protection communication tubes. It has a shape that is matched to the space portion formed between the inner tube and the outer surface with the insertion guide extending in the front and rear directions from the ring portion to be inserted into the space portion.
  • a pair of ring-shaped fixing members which are paired ring-shaped members that are coupled to a portion where the pair of optical cable protection communication tubes are connected to each other, is provided, and the threads are formed on the inner circumferential surface so as to be helically coupled to the outer circumferential surface of the exterior and the outer circumferential surface of the ring portion.
  • the gasket interposed between the ring portion of the inner tube fixture and the outer fixing connection body is provided with a gasket for waterproofing the inner tube and the outer appearance, the gasket has a structure formed with a first hole communicating with the inner tube and a second hole through which the insertion guide penetrates the inner tube. It is equipped with a waterproof surface and an exterior waterproof surface.
  • the joint structure has the following features.
  • an inner tube fixture is provided, the inner tube fixture having a ring portion disposed between the pair of optical cable protection communication tubes and having a through hole communicating with the inner tube, and formed between the inner tube and the exterior for each pair of optical cable protection communication tubes.
  • a pair of ring-shaped members are provided, which are coupled to each other by a pair of optical tube protection communication tubes connected to each other with a ring portion of the inner tube fixture interposed therebetween, which has a threaded inner circumference such that the thread is coupled to the outer circumferential surface of the exterior.
  • the inclined surface is formed in the outer peripheral surface.
  • a pair of members having inclined coupling surfaces formed on the inner circumferential surface of the pair of inclined surfaces of the pair of exterior fixing connectors, and having a flange surface formed on the outer side thereof, wherein the pair of exterior fixing connectors are wrapped.
  • the flange face is provided with a binding member for bolting the pair of externally fixed connection body.
  • the gasket is interposed between the ring portion of the inner tube fixture and the outer fixing connection body with a gasket for waterproofing the inner tube and the outer appearance, the gasket has a structure formed with a first hole communicating with the inner tube and a second hole through which the insertion guide penetrates the inner tube. It is equipped with a waterproof surface and an exterior waterproof surface.
  • the inner tube when the inner tube is composed of three or more, the inner tube is formed in a shape that matches the central space portion surrounded by the inner tube and extends forward and backward in the center of the ring portion so as to be inserted into the central space portion.
  • the center guide may be further provided, and a third hole through which the center guide penetrates may be formed at the center of the gasket.
  • the insertion guide of the inner tube fastener may be provided with the same or less than the number of the space portion formed between the inner tube and the outer appearance.
  • the exterior fixation connecting body may be formed with a flesh removal unit in which an outer circumferential surface is partially removed for material saving.
  • the insertion guide of the inner tube fixture may have a structure in which the size decreases gradually from the portion in contact with the ring portion to the beginning portion to be inserted into the inner tube so as to be easily inserted into the inner tube.
  • the pair of exterior fixing connectors may have a structure in which each of them is separated by 1/2.
  • the pair of externally fixed connection bodies may be fastened by bolts and nuts which have horizontal bolt fastening holes in directions facing each other and fastened in a direction parallel to the external appearance.
  • the horizontal bolt fastening hole may be formed in excess of the number of fastening of the bolt and nut fastened in a direction parallel to the appearance.
  • the vertical bolt fastening hole of the exterior fixing connector may be formed in excess more than the number of bolts fastening in a direction perpendicular to the external appearance.
  • the vertical bolt fastening hole of the exterior fixing connector may be of a structure in which the bolt head is embedded.
  • the present invention configured as described above, when connecting and connecting a pair of optical cable protection communication tube is no need for stripping of the appearance, and the construction and assembly of the joint structure is simple and easy, thereby improving the work productivity as well as preventing product defects. It can be effective.
  • the present invention enables the straight connection of the inner tube and the accurate bite by the inner tube fastener and the outer fixing connector, and achieve the complete waterproof by the improved gasket structure and the inner tube fixing and the outer fixing connector, It has the effect of greatly compensating for the strength of the connection.
  • the present invention has an effect that can significantly reduce the cost required to connect a pair of optical cable protection communication tubes through the structural improvement of the inner tube fixture and the fixed connector.
  • FIG. 1 is a photograph illustrating a process of connecting and connecting an optical cable protection communication tube using a conventional joint structure in order.
  • FIG. 2 is an exploded perspective view of a preferred embodiment of the present invention.
  • FIG. 3 is an assembled perspective view of the embodiment of FIG.
  • FIG. 4 is a side cross-sectional view of the embodiment of FIG. 2.
  • FIG. 5 is a cross sectional front view of the embodiment of FIG. 2; FIG.
  • FIG. 6 is a perspective view of the inner tube fixture viewed from another angle in the embodiment of FIG. 2;
  • FIG. 7 is a perspective view of the exterior fixation connecting body from another angle in the embodiment of FIG. 2; FIG.
  • FIG. 8 are front views showing an example in which the number of inner tubes is 2 holes, 3 holes, and 5 holes in the present invention, respectively.
  • Figure 9 is a perspective view showing another embodiment of the inner tube fixture excluding the center guide portion in the present invention.
  • Figure 10 is a perspective view showing another embodiment of the inner tube fastener in which the insertion guide portion is partially excluded in the present invention.
  • FIG. 11 is a perspective view showing an embodiment in which the flesh removal portion is formed on the outer circumferential surface of the exterior fixing connector in the present invention.
  • FIG. 12 is a perspective view showing an embodiment in which the vertical bolt fastening hole and the horizontal bolt fastening hole are formed in the exterior fixing connector in an extra embodiment, and the bolt head is modified to be embedded into the bolt hole of the exterior fixing connector.
  • FIG. 13 is a perspective view illustrating an embodiment in which the exterior fixing connector has a structure having an annular flange.
  • FIG. 14 is a perspective view illustrating an embodiment in which the inner tube fixture and the outer fixing connector are spirally coupled in the present invention.
  • 15 is a perspective view showing an embodiment consisting of a structure in which the exterior fixing connector is separated in half in the present invention.
  • FIG. 16 is a perspective view illustrating an embodiment in which the exterior fixing connector has a side flange structure in the present invention.
  • FIG. 17 is a front view showing an embodiment in which the exterior fixing connector is bound by the binding member in the present invention.
  • FIG. 18 is a side cross-sectional view of the embodiment of FIG. 17.
  • 19 is a view showing an embodiment of the inner tube fixture made of an insertion guide and the center guide tapered in the present invention.
  • 2 to 5 are an exploded perspective view, an assembled perspective view, a cross-sectional view and a front view of a preferred embodiment of an optical cable protection communication tube assembly having a joint structure according to the present invention, respectively.
  • 6 and 7 are perspective views of the inner tube fixing member and the external fixing member, respectively, from different angles in the embodiment of FIG. 2.
  • a preferred embodiment of the present invention is an inner tube 10 having a circular cross section, an outer tube 20 surrounding the inner tube 10, and an inner tube 10 and an outer tube ( It consists of a joint structure that connects a pair of optical cable protection communication tubes composed of 20) to each other in the longitudinal direction.
  • the specific configuration for each element is as follows.
  • the inner tube 10 is a tube into which the optical cable is inserted, and in this embodiment is composed of four, two, three, five, or more as illustrated in FIG. 8 as two holes, three holes, five holes. It may be composed of a plurality. In the present embodiment will be described with respect to the case that the inner tube is four, that is four holes. These inner tubes 10 are in close contact with each other in parallel with each other, and thus the space S1 is formed between the inner tube 10 and the outer tube 20. In the present embodiment, since the number of inner tubes 10 is four, in this case, four spaces S1 are formed. In addition, a central space portion S2 is formed at a portion surrounded by the inner tubes 10, but the central space portion is not formed in the communication tube composed of the two-hole inner tube of FIG. 8.
  • the exterior 20 is a corrugated pipe having a circular cross section, and the outer circumferential surface is made of a screw type capable of spirally coupling.
  • the joint structure is composed of the inner tube fixture 30, the outer fixing connector 40, the gasket 50, and the like, specifically, as follows.
  • the inner tube fastener 30 is composed of a central ring portion 31 and an insertion guide 32 extending in the front and rear directions from the ring portion 31, respectively.
  • the ring portion 31 is formed in a circular shape and has through holes 31a communicating with the inner tube 10, and the size of the through holes 31a is formed to be the same as the inner diameter of the inner tube 10.
  • Insertion guide 32 has a shape that is matched to the space (S1) formed between the inner tube 10 and the outer tube 20 for each of the pair of optical cable protection communication tube. 3 and 4, the ring part 31 is arrange
  • the inner tube fastener 30 of the present embodiment has a central guide 33 extending in the front and rear directions in addition to the insertion guide 32, respectively, in the center of the ring portion 31, the central guide 33 is an inner tube It is formed into a shape that is matched to the central space portion S2 surrounded by the (10) is inserted into the central space portion (S2).
  • the central guide 33 may be selectively provided when the inner tube 10 is composed of three or more, and is excluded when the inner tube 10 is two.
  • the exterior fixing connector 40 is a pair of members coupled to each other by a ring portion 31 of the inner tube fixing device 30 at a portion where the pair of optical cable protection communication tubes are connected to each other. That is, the thread 41 is formed in the inner peripheral surface of the exterior fixed connection body 40, and the outer peripheral surface is helically coupled to the exterior 20 which is a screw type.
  • the exterior fixed connection is One or more vertical bolt fastening holes 43 in which a bolt 42 for fastening the sieve 40 to the exterior 20 and then firmly fixed to the exterior 20 is fastened in a direction perpendicular to the exterior 20. ) Is formed along the circumferential direction of the exterior fixed connection body 40.
  • the pair of externally fixed connection body 40 is provided with two or more horizontal bolt fastening holes 44 in a direction facing each other, so that the bolt 45 and the nut fastened in a direction parallel to the external appearance 20 (46) is firmly fixed to each other.
  • the gasket 50 is a member that waterproofs both the inner tube 10 and the outer tube 20, and is interposed between the ring portion 31 of the inner tube fixture 30 and the outer fixing connector 40. .
  • the gasket 50 is provided with an inner tube waterproof surface 51 in close contact with the end face of the inner tube 10, and an outer surface waterproof face 52 in close contact with the end face of the outer tube 20.
  • a first hole 53 communicating with the inner tube 10 is formed at an inner circumference of the inner tube waterproof surface 51
  • an insertion guide 32 of the inner tube fixture 30 is formed at an inner circumference of the outer tube waterproof surface 52.
  • a second hole 54 is formed therethrough.
  • the central guide 33 is provided in the center of the ring portion 31 of the inner tube fixture 30, the center of the gasket 50
  • a third hole 55 through which the guide 33 penetrates is formed.
  • An optical cable protection communication tube assembly having a joint structure of the present embodiment configured as described above is connected and connected as follows.
  • the external fixation connecting body 40 is helically coupled from the distal end of each of the pair of optical tube protection communication tubes connected to each other.
  • the insertion guide 32 and the center guide 33 in the state in which the gasket 50 is attached to the front and rear of the ring portion 31 of the inner tube fastener 30, respectively, the space portion S1 and the central space portion of the communication tube.
  • the inner tube fixture 30 is arranged between the pair of communication cables for protecting the optical cable.
  • the bolt 45 and the nut 46 are fastened in a direction parallel to the exterior 20 with respect to the horizontal bolt coupling holes 44 formed in the mutually opposite directions of the pair of exterior fixing connectors 40.
  • the fixed connection body 40 is to be firmly fixed to each other.
  • the exterior fixing connector 40 is firmly secured to the exterior 20 by fastening the bolt 42 to the vertical bolt fastening hole 43 of the exterior fixing assembly 40 in a direction perpendicular to the exterior 20. It can also be fixed.
  • the communication tube assembly for protecting the optical cable having the joint structure of the present invention when a pair of communication tubes are connected and connected, the stripping process is unnecessary, and the assembly of the joint structure is simple and easy, thereby improving work productivity and preventing product defects. You can do it.
  • the exterior 20 is the same as the above-described embodiment, but the number of the inner tube 10 may be composed of two, three, five, and the like.
  • the insertion guide 32 of the inner tube fixture 30 may be provided in two or less than the same as the number of the space portions S1, and the central space portion may be formed. Therefore, the center guide 33 of the above-described embodiment becomes unnecessary.
  • the insertion guide 32 of the inner tube fixing member 30 may be provided with the same number or less than the number of the space portions S1, and the inner tube (
  • the center guide 33 of the above-described embodiment, which can be inserted into the central space S2 formed in the portion surrounded by 10), may be provided or excluded as necessary.
  • Figure 9 is another embodiment of the inner tube fastener 130, the configuration of the ring portion 131 and the insertion guide 132 is the same as the above-described embodiment, but the center guide structure in the center of the ring portion 131 It is characterized by having. Even without the central guide, there is no problem in inserting and fixing the inner tube fixture 130 to the inner tube 10 firmly, and it is rather advantageous to reduce the material cost.
  • Figure 10 is another embodiment of the inner tube fastener 230, the configuration of the ring portion 231 is the same as the above-described embodiment, the space portion (S1) formed between the inner tube 10 and the outer tube 20
  • S1 space portion formed between the inner tube 10 and the outer tube 20
  • the center of the ring portion 231 is provided with a central guide 233 that can be inserted into the central space (S2) formed in the portion surrounded by the inner tube (10).
  • the central guide 233 may be excluded depending on the intention of implementation.
  • FIG. 11 shows another embodiment of the exterior fixing connector 140 in which the flesh removal unit 141 having the outer circumferential surface partially removed is formed in order to save material.
  • the flesh thickness of the exterior fixing connector 140 is partially reduced by the flesh removing unit 141, thereby reducing the cost of raw materials required to manufacture the exterior fixing connector 140.
  • FIG. 12 shows another embodiment of the exterior fixing connector 240, which shows an example in which the vertical bolt fastening holes 243 and the horizontal bolt fastening holes 244 are redundantly formed. That is, more vertical bolt fastening holes 243 are formed than the number of bolts 242 fastened to the vertical bolt fastening holes 243 and horizontal than the number of bolts 245 fastened to the horizontal bolt fastening holes 244. More bolt fastening holes 244 are formed. Thereby, when assembling a pair of exterior fixation connection body 240 to the exterior 20, the fastening position of the bolt 242 can be set more freely, and working convenience is improved.
  • these vertical bolt fastening holes 243 and horizontal bolt fastening holes 244 are formed in a wide and deep structure so that the heads of the bolts 242 and 245 do not protrude outwards, thereby improving appearance and being caught during work. It is possible to prevent such inconvenience.
  • the configuration of forming the extra vertical bolt fastening holes 243 and the horizontal bolt fastening holes 244 and the bolt heads may be selectively implemented.
  • FIG. 13 shows another embodiment of the exterior fixation connecting body 340, and annular flanges 341b and 342b are formed at portions of the pair of exterior fixing connecting bodies 340: 341 and 342 facing each other. It is a structure which is assembled by the bolt 343 and the nut 344 fastened to these flanges 341b and 342b.
  • threads 341a and 342a are assembled to the exterior, and vertical bolt fastening holes 341c and 342c for fastening the vertical bolts that can be fixed to the exterior are formed on the outer peripheral surface.
  • This formed structure is the same as the above-mentioned embodiment.
  • FIG. 14 is an embodiment in which the inner tube fixing member 430 and the outer fixing member 440 are spirally coupled to each other. That is, while the ring portion 431 of the inner tube fixture 430 is formed long, the thread 431a is formed on the outer circumferential surface of the ring portion 431, and the inner circumferential surface of the outer fixed connector 440 is helically coupled to the outer surface 20.
  • the screw thread 441 is formed for the helical coupling of the screw thread 442 as well as the screw thread 431a of the ring portion 431.
  • the outer connector 440 is helically coupled to the outer circumferential surface of the outer shell 20, and then the spiral coupling is finally performed to the ring portion 431 of the inner tube fastener 430, thereby enabling firm coupling.
  • This structure eliminates the need for the vertical bolt fastening holes and the horizontal bolt fastening holes provided in the exterior fixing connector in the above-described embodiments.
  • the thread 431a formed in the ring portion 431 of the inner tube fixing member 430 may be formed in the entire ring portion 431, but is formed only at the edge portion where the external fixation connector 440 is fastened to facilitate thread formation. It is preferable to be.
  • the configuration of the insertion guide 432 and the center guide 433 provided in the inner tube fixture 430 may be implemented in the same manner as the above-described embodiments.
  • FIG. 15 is another embodiment of the exterior fixation connecting body 540, characterized in that the pair of exterior fixing connectors has a structure in which each of them is separated by 1/2.
  • each of the pair of exterior fixation connectors has a structure in which each exterior fixation connector 540 is divided up and down (or left and right depending on the view).
  • the structure may be the same as the appearance fixing body of any one of the above-described embodiments.
  • the exterior fixation connecting body of the above-described embodiments or the following embodiments may be modified to have a structure separated in half like the exterior fixation connecting body 540 of the present embodiment.
  • FIG. 16 illustrates another embodiment of the exterior fixation connector 640.
  • the pair of exterior fixation connectors 640: 641, 642 are symmetrically formed (left and right symmetry depending on the view), thereby making a pair of connections. It has a characteristic of being in the form of surrounding the connected exterior like a cover.
  • Side flanges 641a and 642a which are bolted are formed on side surfaces of the exterior fixing connector 640: 641 and 642, and vertical bolt fastening holes 641b to which vertical bolts are fastened as shown in FIG. 2. Is formed, and the thread which joins with the outer peripheral surface of an exterior is formed in the inner peripheral surface.
  • Figure 17 and Figure 18 is a front view and a side cross-sectional view showing an embodiment in which the exterior fixing connector is bound by the binding member in the present invention
  • the configuration of the inner tube fixture is the same as the embodiment of Figure 2, the exterior fixing connector
  • the structure of the 40 ' is changed and the binding member 700 is added. That is, a pair of exterior fixing connectors 40 'are coupled thereon while the ring portion 31 of the inner tube fixing member is located together with the gasket 50 between the pair of exterior tubes 20.
  • the sieve 40 ' is formed in the inner circumferential surface of the ring 40 while being helically coupled to the outer circumferential surface of the exterior 20 while being formed in a ring shape.
  • an inclined surface 41 ' is formed on an outer circumferential surface of the exterior fixing connector 40'
  • the binding member 700 is a pair of members of the exterior fixing connecting member 40 '(up and down depending on the view).
  • the inner peripheral surface is provided with a pair of engagement surfaces 701 which are inclined so as to be respectively fitted to the pair of inclined surfaces 41 '.
  • the outer surface of the pair of binding members 700 is provided with a flange surface 702 having a bolt hole 702a to be a bolted coupling. Therefore, the flange member 702 is coupled to the bolt 703 and the nut 704 in a state in which the binding member 700 surrounds and covers the pair of exterior fixing connectors 41 'so that the pair of exterior fixing members ( 40 ').
  • the binding member 700 is formed to cover the pair of exterior fixing connectors 41 ′, thereby further improving the strength of the inner and outer connecting parts.
  • FIG. 19 shows an embodiment of the inner tube fixture in which the insertion guide and the center guide are tapered in the present invention. That is, the insertion guide 32 ′ and the center guide 33 ′ in the inner tube fastener of the present embodiment are inserted into the inner tube from the portion in contact with the ring portion 31 of the inner tube fixture 30 when compared with the inner tube fastener of FIG. 6. It is composed of a structure that decreases in size toward the entrance part. Therefore, the inner tube fixture 30 of the present embodiment has an advantage that it is very easy to insert the insertion guide 32 'and the center guide 33' into the inner tube.
  • the above embodiments may be implemented by selectively combining as needed within the structurally possible range.

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  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
PCT/KR2012/008396 2011-12-30 2012-10-15 Assemblage de tubes de communication pourvu d'une structure de raccordement pour protéger un câble optique Ceased WO2013100338A1 (fr)

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KR1020110146808A KR101166118B1 (ko) 2011-12-30 2011-12-30 이음 구조물을 구비한 광케이블 보호용 통신관 조립체
KR10-2011-0146808 2011-12-30

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CN111570981A (zh) * 2020-03-31 2020-08-25 上海亿诺焊接科技股份有限公司 一种新型mig水冷却枪颈
US10908377B1 (en) * 2018-08-30 2021-02-02 ARIA Technologies, Inc. Microduct manifold fitting
CN112379497A (zh) * 2020-12-04 2021-02-19 国网湖北省电力有限公司孝感供电公司 一种10kV配电光缆安装装置及方法

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