KR100933502B1 - Protecting pipe for communication cable - Google Patents

Protecting pipe for communication cable Download PDF

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Publication number
KR100933502B1
KR100933502B1 KR1020090087383A KR20090087383A KR100933502B1 KR 100933502 B1 KR100933502 B1 KR 100933502B1 KR 1020090087383 A KR1020090087383 A KR 1020090087383A KR 20090087383 A KR20090087383 A KR 20090087383A KR 100933502 B1 KR100933502 B1 KR 100933502B1
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KR
South Korea
Prior art keywords
diameter portion
protective tube
enlarged diameter
ring body
support ring
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KR1020090087383A
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Korean (ko)
Inventor
고영준
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이호기술단(주)
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Priority to KR1020090087383A priority Critical patent/KR100933502B1/en
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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
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
    • 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
    • G02B6/50—Underground or underwater installation; Installation through tubing, conduits or ducts
    • G02B6/504—Installation in solid material, e.g. underground
    • 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
    • H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Electric Cable Installation (AREA)

Abstract

PURPOSE: A protecting pipe for an underground communication optical cable is provided to elastically fix an end part of a protecting pipe by using a latch block, a protrusion, and a supporting ring body. CONSTITUTION: A narrow diameter part(10) and an expansion diameter part(20) are formed in both ends of a protecting pipe(1). A supporting ring body(11) is inserted into a longitudinal direction of the protecting pipe in an outer circumference of the narrow diameter part. A spring(12) is connected to the supporting ring body. A protrusion(21), a latch block(22), and a sub spring(23) are formed in an inner circumference of the expansion diameter part. The protrusion hangs on a rear surface of the supporting ring body. The latch block is formed in an inner circumference of the expansion diameter part with a radiation direction. The sub spring is connected to the latch block. An end of a sub pipe body(30) is fixed to an outer circumference of the expansion diameter part by a clamp(35).

Description

지중 매설형 통신 광케이블 보호관{PROTECTING PIPE FOR COMMUNICATION CABLE}Underground buried telecommunication optical cable sheath {PROTECTING PIPE FOR COMMUNICATION CABLE}

본 발명은 길이방향의 외력이 가해질 때, 결합부가 상호 슬라이드되면서 외부충격을 흡수할 수 있도록 된 새로운 구조의 지중 매설형 통신케이블 보호관에 관한 것이다.The present invention relates to a underground buried communication cable protective tube of a new structure that is able to absorb the external shock while the coupling portion slides with each other when a longitudinal external force is applied.

일반적으로, 지중에 매설되는 통신 광케이블 보호관은 합성수지재질의 원형 파이프형상으로 구성된 것으로, 다수개가 일렬로 길게 연결되어 내부에 삽입설치된 통신 광케이블을 보호할 수 있도록 구성된다.In general, the telecommunication optical cable protection tube buried in the ground is composed of a circular pipe shape of a synthetic resin material, a plurality of lines are connected in a long line is configured to protect the communication optical cable inserted therein.

그런데, 이러한 통신 광케이블 보호관은 지중에 매설되며, 특히, 진동이 많은 도로 등의 하부에 매설될 경우, 보호관을 길이방향으로 당기거나 미는 힘이 가해진다.By the way, such a communication optical cable protective tube is buried in the ground, in particular, when buried in the lower part of the road, such as a lot of vibration, the force is applied to pull or push the protective tube in the longitudinal direction.

따라서, 상호 연결된 통신 광케이블 보호관의 연결부위가 손상되어, 외부의 흙이나 물 등이 내부로 스며들어 통신 광케이블을 손상시킬 수 있는 문제점이 있었다.Therefore, the connection part of the interconnected communication optical cable protection tube is damaged, and there is a problem that external soil or water may penetrate inside and damage the communication optical cable.

본 발명은 상기의 문제점을 해결하기 위한 것으로서, 외부의 충격이나 진동에 의해 통신 광케이블 보호관이 길이방향으로 당겨지거나 밀림에 따라 연결부위가 손상되는 것을 방지하고, 또한, 상호 인접되거나 이격되는 보호관의 연결부를 통해 이물질이나 물이 보호관의 내부로 유입되는 것을 방지할 수 있도록 형성된 새로운 구조의 지중 매설형 통신 광케이블 보호관을 제공함에 그 목적이 있다.The present invention is to solve the above problems, to prevent the connection portion is damaged by pulling or pushing the communication optical cable protective tube in the longitudinal direction by the external shock or vibration, and also the connection portion of the protective tube adjacent to or spaced apart from each other The purpose of the present invention is to provide a underground buried telecommunication optical cable protective tube of a new structure formed to prevent foreign substances or water from entering the inside of the protective tube.

상기한 목적을 달성하기 위한 본 발명은, 합성수지재의 파이프형상으로 구성되며 단부가 상호 연결되어 내부에 삽입된 통신 광케이블을 보호하는 지중 매설형 통신 광케이블 보호관에 있어서,In the present invention for achieving the above object, in the underground buried communication optical cable protective tube composed of a pipe shape of the synthetic resin material and the ends are interconnected to protect the communication optical cable inserted therein,

상기 보호관의 일단에는 외경이 작은 협경부가 형성되고, 타단은 다른 보호관의 협경부 외부에 끼움결합되는 확경부가 형성되며,One end of the protective tube is formed a narrow diameter portion of the outer diameter, the other end is formed with an enlarged diameter fitting to the outside of the narrow portion of the other protective tube,

상기 협경부의 외주면에는, 보호관의 길이방향으로 슬라이드되도록 끼움결합되는 지지링체와, 지지링체에 연결되어 지지링체를 지지하는 스프링이 구비되고,On the outer circumferential surface of the narrow portion, a support ring body fitted to slide in the longitudinal direction of the protective tube, and a spring connected to the support ring body to support the support ring body,

상기 확경부의 내주면에는, 지지링체의 후면에 걸리는 걸림턱과, 확경부의 내주면에 방사방향으로 출몰가능하게 구비되며 후면이 지지링체의 전면에 걸리는 래칫블록과, 래칫블록에 연결되어 래칫블록이 확경부의 내부쪽으로 돌출되도록 가압하는 보조스프링이 구비되어, 확경부를 다른 보호관의 협경부 외부에 끼우면, 걸 림턱과 래칫블록이 지지링체의 전후면에 각각 결합되어, 보호관을 상호 탄성적으로 연결하며,On the inner circumferential surface of the enlarged diameter portion, a latching jaw caught on the rear surface of the support ring body, the ratchet block provided on the inner circumferential surface of the enlarged diameter portion in a radial direction, and the rear surface is caught on the front surface of the support ring body, and the ratchet block is connected to the ratchet block. An auxiliary spring is provided to pressurize the diaphragm to protrude toward the inside of the diaphragm. When the diaphragm is inserted outside the narrow part of the other protective tube, the catching jaw and the ratchet block are respectively coupled to the front and rear surfaces of the support ring, and the protective tube is elastically connected to each other. ,

상기 확경부의 외측에는, 플랙시블한 합성수지재의 관체로 구성되어, 기단이 클램프에 의해 확경부의 외주면에 고정되고, 선단은 확경부의 단부 외측으로 연장되는 보조관체가 더 구비되어, 확경부를 다른 보호관의 협경부에 결합할 때 보조관체의 선단부가 다른 보호관의 외부면에 형성된 나팔형상의 끼움관에 끼움고정되어 보호관의 연결부를 덮어 가릴 수 있도록 구성된 것을 특징으로 한다.On the outside of the enlarged diameter portion, a flexible synthetic resin material is formed, the base end is fixed to the outer circumferential surface of the enlarged diameter portion by a clamp, and the distal end is further provided with an auxiliary tubular body extending outside the end of the enlarged diameter portion. When coupled to the narrow portion of the other protective tube is characterized in that the front end of the auxiliary tube is fitted to the trumpet-shaped fitting tube formed on the outer surface of the other protective tube is configured to cover the connection of the protective tube.

본 발명에 따른 보호관은 각 단부를 상호 결합하면, 단부가 상호 지지링체와 걸림턱 및 래칫블록에 의해 상호 탄성적으로 고정되어, 보호관이 길이방향으로 당기거나 밀릴 때, 지지링체가 탄성적으로 전후진되면서 보호관의 연결부가 손상되지 않도록 고정할 뿐 아니라, 플랙시블한 보조관체가 각 보호관의 연결부를 덮어 가림으로써, 상호 인접되거나 이격되는 보호관의 연결부를 통해 이물질이나 물이 보호관의 내부로 유입되는 것을 방지할 수 있는 장점이 있다.When the protective tube according to the present invention is coupled to each end, the ends are elastically fixed to each other by the mutual support ring body, the locking jaw and the ratchet block, when the protective tube is pulled or pushed in the longitudinal direction, the support ring is elastically front and rear In addition to fixing the connection of the protective tube to prevent damage, the flexible auxiliary body covers the connection of each protective tube, so that foreign matter or water can enter the inside of the protective tube through the connection of the adjacent protective tubes. There is an advantage that can be prevented.

이하, 본 발명을 첨부된 예시도면에 의거하여 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도 1 및 도 2에 의하면, 본 발명에 따른 지중 매설형 통신 광케이블 보호관은, 합성수지재의 파이프형상으로 구성되며 단부가 상호 연결되어 내부에 삽입된 통신 광케이블(2)을 보호하는 것은 종래와 동일하다.1 and 2, the underground buried communication optical cable protective tube according to the present invention is configured in the shape of a pipe of a synthetic resin material and the ends are interconnected to protect the communication optical cable 2 inserted therein is the same as in the prior art.

그리고, 본 발명에 따르면, 상기 보호관(1)의 일단에는 외경이 작은 협경부(10)가 형성되고, 보호관(1)의 타단은 다른 보호관(1)의 협경부(10) 외부에 끼움결합되는 확경부(20)가 형성되어, 확경부(20)를 협경부(10)의 외부에 끼워 2개의 보호관(1)을 상호 연결할 수 있도록 구성된다.In addition, according to the present invention, one end of the protective tube 1 is formed with a narrow diameter portion 10 having a small outer diameter, and the other end of the protective tube 1 is fitted outside the narrow portion 10 of the other protective tube 1. The enlarged diameter portion 20 is formed, and the enlarged diameter portion 20 is fitted to the outside of the narrow diameter portion 10 so that the two protective tubes 1 can be connected to each other.

또한, 상기 협경부(10)의 외주면에는, 보호관(1)의 길이방향으로 슬라이드되도록 끼움결합되는 지지링체(11)와, 지지링체(11)에 연결되어 지지링체(11)를 지지하는 스프링(12)이 구비되고, 확경부(20)의 내주면에는, 지지링체(11)의 후면에 걸리는 걸림턱(21)과, 확경부(20)의 내주면에 방사방향으로 출몰가능하게 구비되며 후면이 지지링체(11)의 전면에 걸리는 래칫블록(22)과, 래칫블록(22)에 연결되어 래칫블록(22)이 확경부(20)의 내부쪽으로 돌출되도록 가압하는 보조스프링(23)이 구비된다.In addition, the outer circumferential surface of the narrow portion 10, the support ring body 11 to be fitted so as to slide in the longitudinal direction of the protective tube 1, and a spring connected to the support ring body 11 to support the support ring body 11 ( 12) is provided, the inner circumferential surface of the enlarged diameter portion 20, the engaging jaw 21 is caught on the rear surface of the support ring body 11, and the inner circumferential surface of the enlarged diameter portion 20 is provided to be protruding in a radial direction, the rear surface is supported A ratchet block 22 is disposed on the front surface of the ring body 11, and an auxiliary spring 23 connected to the ratchet block 22 to press the ratchet block 22 to protrude into the enlarged diameter portion 20 is provided.

상기 지지링체(11)는 각형의 단면을 갖는 원형의 링형상으로 구성되어, 협경부(10)의 외주면에 끼워진다. 스프링(12)은 2개의 코일스프링으로 구성되어, 각각 협경부(10)의 전후단에 형성된 돌출턱(10a)에 걸리도록 협경부(10)의 외부에 끼워진 상태에서 지지링체(11)의 전후면에 각각 밀착됨으로써, 지지링체(11)가 협경부(10)의 중간부에 위치되도록 탄성적으로 지지하는 기능을 한다. 걸림턱(21)은 확경부(20)의 내측으로 링형상으로 돌출된다. 래칫블록(22)은 선단이 확경부(20)의 내부에 형성된 오목홈(20a)에 힌지결합되어 후단이 확경부(20)의 내부로 출몰되도록 구성되어, 확경부(20)를 다른 보호관(1)의 협경부(10) 외부에 끼우면 후단이 오 목홈(20a)으로 출몰되면서 지지링체(11)를 타고 넘은 후 지지링체(11)의 전면에 걸려 지지링체(11)가 걸림턱(21)과 래칫블록(22)의 사이에 끼워 고정되도록 한다.The support ring 11 is configured in a circular ring shape having a square cross section and fitted to the outer circumferential surface of the narrower portion 10. The spring 12 is composed of two coil springs, and the front and rear of the support ring body 11 in a state of being fitted to the outside of the narrow portion 10 so as to be caught by the protruding jaw 10a formed at the front and rear ends of the narrow portion 10, respectively. By being in close contact with each of the surfaces, the support ring body 11 functions to elastically support it so as to be positioned at an intermediate portion of the narrow part 10. The locking jaw 21 protrudes in a ring shape to the inside of the enlarged diameter portion 20. Ratchet block 22 is configured so that the front end is hinged to the concave groove (20a) formed in the inside of the enlarged diameter portion 20 so that the rear end is released into the inside of the enlarged diameter portion 20, the enlarged diameter portion 20 to another protective tube ( 1) When the outside of the narrow portion 10 is inserted into the concave groove 20a, the support ring body 11 is caught on the front side of the support ring body 11 after passing through the support ring body 11 and the locking jaw 21 is caught. And fixed between the ratchet block 22.

또한, 상기 확경부(20)의 외측에는, 플랙시블한 합성수지재의 관체로 구성된 보조관체(30)가 더 구비된다. 보조관체(30)는 기단이 클램프(35)에 의해 확경부(20)의 외주면에 고정되고, 선단은 확경부(20)의 단부 외측으로 연장된다. 여기서, 확경부(20)를 다른 보호관(1)의 협경부(10) 외부에 결합할 때 보조관체(30)의 선단부가 다른 보호관(1)의 외부면에 형성된 끼움관(3)에 끼움고정되어 보호관(1)의 연결부를 덮어 가릴 수 있도록 할 수 있다. 이때, 끼움관(3)은 나팔형상으로 벌어지도록 형성되어 보호관(1)을 상호 연결할 때, 보조관체(30)의 선단부가 끼움관(3)에 원활히 끼워질 수 있도록 구성된다.In addition, the outer side of the enlarged diameter portion 20, the auxiliary tube 30 made of a flexible synthetic resin tube 30 is further provided. The auxiliary pipe body 30 is fixed to the outer circumferential surface of the enlarged diameter portion 20 by the clamp 35, and the tip extends outside the end of the enlarged diameter portion 20. Here, when the enlarged diameter portion 20 is coupled to the outside of the narrower portion 10 of the other protective tube 1, the distal end portion of the auxiliary tube 30 is fitted to the fitting tube 3 formed on the outer surface of the other protective tube 1. It can be made to cover the connection of the protective tube (1). At this time, the fitting pipe (3) is formed so as to open in the shape of a trumpet, when connecting the protective pipe (1), it is configured to be smoothly fitted to the fitting pipe (3) of the front end of the auxiliary pipe (30).

상기 클램프(35)는 링형상으로 이루어져 보조관체(30)의 외부면을 따라 압착고정하여, 확경부(20)의 외주면에 보조관체(30)가 고정될 수 있도록 한다. 또는 클램프(35) 없이 접착제를 이용하여 확경부(20)의 외주면에 보조관체(30)가 고정되도록 하여도 좋다.The clamp 35 is formed in a ring shape to be pressed and fixed along the outer surface of the auxiliary pipe body 30 so that the auxiliary pipe body 30 may be fixed to the outer circumferential surface of the enlarged diameter part 20. Alternatively, the auxiliary pipe body 30 may be fixed to the outer circumferential surface of the enlarged diameter portion 20 by using an adhesive without the clamp 35.

또한, 상기 끼움관(3)에 보조관체(30)의 선단부가 끼움 고정될 때, 끼움관(3)과 선단부의 맞닿는 면에 실리콘 접착제를 이용하여 보다 정밀하게 부착하여도 좋다.In addition, when the distal end of the auxiliary pipe body 30 is fixed to the fitting tube 3, the fitting tube 3 may be attached to the contact surface of the distal end portion with silicone adhesive more precisely.

이와같이 구성된 지중 매설형 통신 광케이블 보호관은 도 2에 도시한 바와 같이, 보호관(1)의 확경부(20)를 다른 보호관(1)의 협경부(10)의 외부에 끼우면, 협경부(10)에 구비된 지지링체(11)가 확경부(20)에 구비된 걸림턱(21)과 래칫블 록(22)의 사이에 끼워져, 2개의 보호관(1)을 상호 인접 및 이격가능하게 연결한다. 따라서, 외부의 충격이나 진동에 의해 통신 광케이블 보호관(1)이 길이방향으로 당겨지거나 밀리게 되면, 도 3에 도시한 바와 같이, 지지링체(11)가 협경부(10)를 따라 탄성적으로 전후진하면서, 보호관(1)이 상호 근접 또는 이격 되게 하므로, 보호관(1)의 연결부위가 손상되지 않도록 할 수 있는 장점이 있다.As the underground buried communication optical cable protective tube configured as described above is shown in FIG. 2, when the enlarged diameter portion 20 of the protective tube 1 is inserted outside the narrow portion 10 of the other protective tube 1, The provided support ring 11 is sandwiched between the latching jaw 21 and the ratchet block 22 provided in the enlarged diameter portion 20 to connect the two protective tubes 1 adjacent to and spaced apart from each other. Therefore, when the communication optical cable protective tube 1 is pulled or pushed in the longitudinal direction by an external shock or vibration, as shown in FIG. 3, the support ring 11 elastically moves back and forth along the narrow portion 10. While thick, since the protective tube (1) is close to each other or spaced apart, there is an advantage that the connection portion of the protective tube (1) can not be damaged.

특히, 상기 보호관(1)의 확경부(20) 외측에는 플랙시블한 재질의 보호관체(30)가 더 구비되어, 보호관(1)이 상호 근접 또는 이격될 때, 보조관체(30)가 적절히 변형되면서 보호관(1)의 연결부를 덮어 가리게 됨으로써, 보호관(1)의 연결부를 통해 이물질이나 물이 유입되어 보호관(1) 내부의 통신 광케이블(2)이 손상되는 것을 방지할 수 있는 장점이 있다.In particular, the protective tube 30 of the flexible material is further provided on the outside of the enlarged diameter portion 20 of the protective tube 1, when the protective tube 1 is adjacent to or spaced apart from each other, the auxiliary tube 30 is properly deformed By covering and covering the connection of the protective tube (1), there is an advantage that can prevent the foreign matter or water flows through the connection of the protective tube (1) to damage the communication optical cable (2) inside the protective tube (1).

도 1은 본 발명에 따른 통신 광케이블 보호관을 도시한 측단면도,1 is a side cross-sectional view showing a communication optical cable protective tube according to the present invention,

도 2는 본 발명에 따른 통신 광케이블 보호관의 연결상태를 도시한 측단면도,Figure 2 is a side cross-sectional view showing a connection state of the communication optical cable protective tube according to the present invention,

도 3은 본 발명에 따른 통신 광케이블 보호관의 작용을 설명한 참고도이다.3 is a reference diagram explaining the operation of the communication optical cable protective tube according to the present invention.

Claims (1)

합성수지재의 파이프형상으로 구성되며 단부가 상호 연결되어 내부에 삽입된 통신 광케이블(2)을 보호하는 지중 매설형 통신 광케이블 보호관에 있어서,In the underground buried communication optical cable protective tube consisting of a pipe shape of the synthetic resin material and the ends are interconnected to protect the communication optical cable (2) inserted therein, 상기 보호관(1)의 일단에는 외경이 작은 협경부(10)가 형성되고, 타단은 다른 보호관(1)의 협경부(10) 외부에 끼움결합되는 확경부(20)가 형성되며,One end of the protective tube 1 is formed with a narrow diameter portion 10 having a smaller outer diameter, the other end is formed with an enlarged diameter portion 20 which is fitted to the outside of the narrow diameter portion 10 of the other protective tube 1, 상기 협경부(10)의 외주면에는, 보호관(1)의 길이방향으로 슬라이드되도록 끼움결합되는 지지링체(11)와, 지지링체(11)에 연결되어 지지링체(11)를 지지하는 스프링(12)이 구비되고,On the outer circumferential surface of the narrow portion 10, a support ring body 11 which is fitted to slide in the longitudinal direction of the protective tube 1, and a spring 12 connected to the support ring body 11 to support the support ring body 11 Is provided, 상기 확경부(20)의 내주면에는, 지지링체(11)의 후면에 걸리는 걸림턱(21)과, 확경부(20)의 내주면에 방사방향으로 출몰가능하게 구비되며 후면이 지지링체(11)의 전면에 걸리는 래칫블록(22)과, 래칫블록(22)에 연결되어 래칫블록(22)이 확경부(20)의 내부쪽으로 돌출되도록 가압하는 보조스프링(23)이 구비되어, 확경부(20)를 다른 보호관(1)의 협경부(10) 외부에 끼우면, 걸림턱(21)과 래칫블록(22)이 지지링체(11)의 전후면에 각각 결합되어, 보호관(1)을 상호 탄성적으로 연결하며,On the inner circumferential surface of the enlarged diameter portion 20, the engaging jaw 21 is caught on the rear surface of the support ring body 11, the inner circumferential surface of the enlarged diameter portion 20 is provided to be protruded in a radial direction and the rear surface of the support ring body (11) The ratchet block 22 is caught on the front surface and the auxiliary spring 23 is connected to the ratchet block 22 to press the ratchet block 22 to protrude toward the inside of the enlarged diameter portion 20, the enlarged diameter portion 20 Is inserted outside the narrow portion 10 of the other protective tube 1, the latching jaw 21 and the ratchet block 22 are respectively coupled to the front and rear surfaces of the support ring body 11, the protective tube 1 is mutually elastic Connect, 상기 확경부(20)의 외측에는, 플랙시블한 합성수지재의 관체로 구성되어, 기단이 클램프(35)에 의해 확경부(20)의 외주면에 고정되고, 선단은 확경부(20)의 단부 외측으로 연장되는 보조관체(30)가 더 구비되어, 확경부(20)를 다른 보호관(1)의 협경부(10)에 결합할 때 보조관체(30)의 선단부가 다른 보호관(1)의 외부면에 형성된 나팔형상의 끼움관(3)에 끼움고정되어 보호관(1)의 연결부를 덮어 가릴 수 있도록 구성된 것을 특징으로 하는 지중 매설형 통신 광케이블 보호관.Outside the enlarged diameter portion 20, it is composed of a flexible synthetic resin tube, the base end is fixed to the outer circumferential surface of the enlarged diameter portion 20 by the clamp 35, the tip is outside the end of the enlarged diameter portion 20 It is further provided with an auxiliary pipe extending 30, the front end of the auxiliary pipe 30 to the outer surface of the other protective pipe (1) when coupling the enlarged diameter portion 20 to the narrow portion 10 of the other protective pipe (1) A buried telecommunication optical cable protective tube, characterized in that the fitting is fixed to the trumpet-shaped fitting tube (3) to cover the connection of the protective tube (1).
KR1020090087383A 2009-09-16 2009-09-16 Protecting pipe for communication cable KR100933502B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101181845B1 (en) * 2011-12-22 2012-09-11 주식회사 쎄크 Automatic x-ray inspection apparatus for surface mount technology in-line
CN117724217A (en) * 2024-01-02 2024-03-19 河间市瀛州电信器材有限公司 Optical cable protection tube for communication

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Publication number Priority date Publication date Assignee Title
JPS61162012A (en) 1985-01-11 1986-07-22 New Japan Radio Co Ltd Flexible protection tube of optical fiber
KR200259344Y1 (en) 2001-10-09 2001-12-29 한국전력공사 a connecting apparatus for a pipe protecting an underground cable
JP2003106488A (en) 2001-09-28 2003-04-09 Aron Kasei Co Ltd Pipe connecting structure
JP2009159742A (en) 2007-12-27 2009-07-16 Totaku Industries Inc Pipe connection structure

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Publication number Priority date Publication date Assignee Title
JPS61162012A (en) 1985-01-11 1986-07-22 New Japan Radio Co Ltd Flexible protection tube of optical fiber
JP2003106488A (en) 2001-09-28 2003-04-09 Aron Kasei Co Ltd Pipe connecting structure
KR200259344Y1 (en) 2001-10-09 2001-12-29 한국전력공사 a connecting apparatus for a pipe protecting an underground cable
JP2009159742A (en) 2007-12-27 2009-07-16 Totaku Industries Inc Pipe connection structure

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101181845B1 (en) * 2011-12-22 2012-09-11 주식회사 쎄크 Automatic x-ray inspection apparatus for surface mount technology in-line
WO2013095035A1 (en) * 2011-12-22 2013-06-27 주식회사 쎄크 Automatic x-ray inspection apparatus for smt inline process
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CN117724217A (en) * 2024-01-02 2024-03-19 河间市瀛州电信器材有限公司 Optical cable protection tube for communication

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