KR100758211B1 - In an underground makeup assembling-type duct line - Google Patents

Abstract

An underground structure assembly-type duct line is provided to facilitate construction and to reduce cost by selectively connecting cables of various diameters. A sealing pipe(110) has a through hole(111) inside, a groove unit(112) connected with a sealing ring(P), a first protrusion(113) adjacent to the groove unit(112), a first connecting groove(114b) with a first stepped protrusion, a plurality of coupling bolts(K) at the first connecting groove(114b), a plurality of coupling holes with hanging protrusions attached to an underground transmission line, an installing groove for inserting a connecting ring communicated with the connecting hole, and a communicating hole(119) communicated with the installing groove to connect a connecting band(B) outside. An inserting pipe(120) is installed at the inner peripheral surface of the duct line connecting hole, and has a connecting hole(121) communicated with the duct line connecting hole, a coupling groove(125) with a connecting protrusion, a through hole(127) inserted by the coupling bolts(K), and a plurality of installing holes(129). A plurality of pressing bolts(130) are bolt-coupled at the installing hole(129) to fix the inserting pipe(120), and is connected with a tension rubber(131) to press the inner peripheral surface of the duct line connecting hole. A rubber pipe(140) is installed at the duct line connecting hole, and has a second protrusion, a second connecting groove with a second stepped protrusion, and an installing hole(146) to connect each coupling bolt(K). A pair of corrugated pipes(150) vary the length thereof according to the thickness of a manhole wall between the sealing pipe(110) and the inserting pipe(120), and between the inserting pipe(120) and the rubber pipe(140). A finishing plate(160) is adjacent to the external surface of the rubber pipe(140) to seal the external surface of the rubber pipe(140).

Description

Underground makeup assembling-type duct line

1 is a perspective view showing the installation state of the underground structure prefabricated duct according to the preferred embodiment of the present invention,

Figure 2 is an exploded perspective view showing the underground structure prefabricated pipeline according to a preferred embodiment of the present invention,

Figure 3 is a main cross-sectional view showing the underground structure prefabricated pipeline according to a preferred embodiment of the present invention and

4 is an enlarged view illustrating main parts of FIG. 3;

<Explanation of symbols for main parts of the drawings>

10: pipeline connection 20: transmission and distribution line

110: sealed tube 120: insertion tube

130: pressure bolt 140: rubber tube

150: corrugated pipe 160: finish plate

W: Manhole Wall

The present invention relates to a prefabricated pipeline, and more particularly, when the prefabricated pipeline is installed in the pipe connection hole, it is possible to easily connect to the wall of the manhole without using a separate anchor bolt, so as to maintain the strength of the manhole wall as it is. It is possible to achieve a solid connection relationship, and also to selectively install underground transmission and distribution lines of various diameters in a prefabricated duct connected between the manhole and underground transmission and distribution lines, so that construction is easy and construction cost reduction can be reduced. It relates to underground structure prefabricated duct.

In general, underground transmission and distribution lines, which are corrugated pipes, are buried in the ground for transmission and distribution in the underground. At this time, end portions of the underground transmission and distribution lines are buried in hollow holes, that is, manhole walls, and communicate with the manholes.

In addition, the pipeline route refers to connecting the underground transmission line to the inside and outside of the underground structure when laying underground structures such as manholes, handholes, and power holes for the inlet and withdrawal processing of the underground transmission line. The front end points to the inside of the manhole, the rear end to the outside of the manhole wall, that is, the underground buried part, and a relay tube called an adapter is coupled, and the corrugated tube, which is an important part of the pipeline, is connected to the dual tube.

According to the conventional prefabricated duct used for this purpose, the diameter of the pipe connection hole formed in the wall of the manhole has a constant diameter, but the diameter of the underground transmission line inserted into the pipe connection hole has a variety of diameters according to the specification Because it is formed to have, the installation of underground transmission and distribution lines in the pipe connection hole of the manhole was difficult to install.

In addition, the conventional prefabricated duct has been required to form a plurality of fastening holes for fastening the fastening bolts on the wall of the manhole so as to form a strong connection with the wall of the manhole when installed in the connection hole of the manhole pipe connection Since the strength around the ball is lowered after a certain period of time after construction, there is a problem that the site where the prefabricated duct is installed due to earth pressure.

The present invention has been devised in view of the problems of the conventional prefabricated duct, the purpose of the prefabricated duct in the installation of the pipe connection hole so that the installation of the manhole wall can be easily connected without using a separate anchor bolt, etc. By maintaining the strength of the intact, it is possible to achieve a solid connection relationship, and also to install and install a variety of underground transmission and distribution lines of various diameters in the prefabricated duct that is connected between the manhole and underground transmission and distribution lines, it is easy to construct Provide underground structure prefabricated pipelines for saving.

In addition, another object of the present invention is to install the prefabricated duct in the pipe connection hole to be easily installed on the wall of the manhole without changing the structure, the ground to maintain the strength of the manhole wall intact to achieve a strong connection relationship Provide structure prefabricated ducts.

The present invention for achieving the above object

In the pipeline, which is installed in the pipeline connection hole to connect the underground transmission line to the pipeline connection hole formed in the manhole wall,

Prefabricated duct

It is inserted into one side of the pipe connection hole formed in the manhole wall in communication with the pipe connection hole, a through hole is formed in the inner side, the groove portion is formed in which the sealing ring is inserted and connected in close contact with the manhole wall on one side A first protrusion having an outer diameter equal to an inner diameter of a pipe connection hole is formed in an adjacent inner side of the groove portion, and a first connection groove having a first step is formed on one side of the first protrusion, and the first connection is formed. Ends of a plurality of fastening bolts having a spiral are installed in one side of the groove, and have different outer diameters so that underground transmission and distribution lines can be inserted into and connected to the other inner circumferential surface of the through hole, and inside each of the underground transmission and distribution lines. A plurality of connection holes are formed having a locking step to be inserted, and the connection ring having elastic force is installed in communication with the connection holes on the inner circumferential surface of each connection hole. A sealing tube having an installation groove formed therein, the communication tube communicating with the installation groove so as to press a connection ring on the outer circumferential surface of the installation groove to connect a connection band for connecting the underground transmission line with the locking jaw from the outside;

It is fixedly installed on the inner circumferential surface of the pipe connection hole, a connection hole is formed in communication with the pipe connection hole in the inner side, a coupling groove having a connection jaw is formed on both sides, the plurality of fastening bolts on one side of the coupling groove An insertion tube having a through hole penetrated to the left and right so as to be connected to the insert, and having a plurality of installation holes penetrating up and down inside;

One end is bolted to the installation hole so that the insertion pipe can be firmly installed on the inner circumferential surface of the pipe connection hole, and a tension rubber for pressurizing the inner diameter of the pipe connection hole is connected to the other end thereof, and a cross opened downward in the lower part. A plurality of pressure bolts formed with grooves;

The other side of the pipe connection hole is inserted into and connected in communication with the pipe connection hole, the communication hole is formed on the inside, the second protrusion having an outer diameter equal to the inner diameter of the pipe connection hole on the other side is formed protruding, A rubber tube having a second connection groove having a second stepped portion formed on the other side of the second protrusion, and having installation holes open to the left and right sides thereof so that the respective fastening bolts can be inserted and connected to one side of the second connection groove;

The sealing tube and the insertion tube and between the insertion tube and the rubber tube are respectively installed so that the length can vary depending on the thickness of the manhole wall, insertion protrusions are formed at both ends protruding, the plurality of fastening bolts are inserted into A pair of corrugated pipes having an insertion hole opened to the left and right to allow

It is installed to be in contact with the outer surface of the rubber tube so as to close the outer surface of the rubber tube, a connecting pipe having an outer diameter equal to the inner diameter of the communication hole on one side is formed protruding, the plurality of fastening bolts are inserted into the inside It is configured to include a closing plate formed integrally with the coupling hole so that the nut can be fastened to the end.

With reference to the accompanying drawings will be described in detail the underground structure prefabricated pipe channel according to the preferred embodiment of the present invention.

1 is a perspective view showing the installation state of the underground structure prefabricated duct according to a preferred embodiment of the present invention, Figure 2 is an exploded perspective view showing the underground structure assembled duct according to a preferred embodiment of the present invention, Figure 3 Fig. 4 is a main sectional view showing the underground structure prefabricated pipe according to the preferred embodiment, and Fig. 4 is an enlarged view of the main part of Fig. 3.

1 to 4, the underground structure assembly pipe duct 100 of the present invention is installed in communication with the pipe connection hole 10 on one side of the pipe connection hole 10 formed in the manhole wall (W). Sealing pipe 110, the insertion pipe 120 is fixed to the inner peripheral surface of the pipe connection hole 10 and a plurality of pressure bolts for fixing the insertion pipe 120 to the inner peripheral surface of the pipe connection hole (10). 130 and the rubber tube 140 is inserted into the other side of the pipe connection hole 10 in communication with the pipe connection hole 10, the closed tube 110 and the insertion tube 120 and the insertion tube ( It comprises a pair of corrugated pipe 150 installed between the 120 and the rubber tube 140 and the closing plate 160 installed in contact with the rubber tube 140 so as to close the outer surface of the rubber tube 140. do.

The hermetic pipe 110 has a through hole 111 communicating with the pipe connection hole 10 therein, and a groove 112 is formed at one side thereof. Thus, the groove 112 is inserted into the sealing ring (P) having an elastic force to be in close contact with the manhole wall (W).

In addition, a first protrusion 113 having an outer diameter that is the same as the inner diameter of the conduit connecting hole 10 and inserted into the conduit connecting hole 10 is formed at an adjacent inner side of the groove 112. The first connection groove 114b is formed at one side of the first protrusion 113. In this case, a first stepped portion 114a having an inner diameter smaller than the outer diameter of the first connection groove 114b is formed at the inlet side of the first connection groove 114b.

In addition, one side of the first connection groove 114b is embedded with the end of the plurality of fastening bolts (K). At this time, each of the fastening bolts (K) is formed with a spiral (N) to fasten the nut (F) at its end.

In addition, a plurality of connection holes 116 having different outer diameters are formed on the other inner circumferential surface of the through hole 111 so that the underground transmission and distribution line 20 can be inserted and connected. At this time, the connecting hole 116 is formed on the inside of the engaging projection 115 is interviewed with the underground transmission and distribution line 20 is formed.

In addition, an installation groove 118 communicating with the connection hole 116 is formed on an inner circumferential surface of each connection hole 116, and a connection ring 117 having an elastic force is inserted into the installation groove 118.

At this time, by connecting the connection ring 117 to the outer circumferential surface of the installation groove 118, the connection band (B) for connecting the underground transmission and distribution line 20 to the outer circumferential surface of the locking step 115 can be externally connected. The communication hole 119 is formed to communicate with the installation groove 118 to be formed.

On the other hand, the insertion pipe 120 is fixedly installed on the inner circumferential surface of the pipe connection hole 10, the connection hole 121 is formed in communication with the pipe connection hole 10 is formed on the inner side, the connecting jaw (on both sides) A coupling groove 125 having a 123 is formed.

At this time, one side of the coupling groove 125 is formed with a through hole 127 penetrated from side to side to allow the plurality of fastening bolts K to be inserted and connected, and a plurality of installation holes 129 penetrating up and down inside. Is formed.

Meanwhile, the plurality of pressure bolts 130 are bolted to each of the installation holes 129 and connected to the other end so that the insertion pipe 120 may be firmly fixed to the inner circumferential surface of the pipe connection hole 10. Tension rubber 131 for pressurizing the inner diameter of the ball 10 is connected.

At this time, the pressure bolt 130 is opened downward to press the inner circumferential surface of the pipe connection hole 10 through the bolt connection to the mounting hole 129 in the inner side of the insertion pipe 120 through the bolt. Cross grooves 133 are formed.

Accordingly, after the end of the pressing bolt 130 is bolted to the installation hole 129, and rotated by using a hand tool (not shown) having a cross projection in the cross groove 133, the tension rubber 131 ) Pressurizes the inner circumferential surface of the conduit connection hole 10 and is firmly installed and fixed to the inner circumferential surface of the conduit connection hole 10.

On the other hand, the rubber tube 140 is inserted and connected to communicate with the pipe connection hole 10 on the other side of the pipe connection hole (10).

At this time, the rubber tube 140 has a communication hole 141 communicating with the pipe connection hole 10 is formed therein, the second protrusion having the same outer diameter as the inner diameter of the pipe connection hole 10 on the other side 143 is protruded. Thus, the second protrusion 143 is inserted into its end portion is connected to the pipe connection hole (10).

In addition, a second connection groove 144b is formed on the other side of the second protrusion 143, and an inner diameter smaller than an outer diameter of the second connection groove 144b is formed at an inlet side of the second connection groove 144b. The second step 144a is formed.

And, one side surface of the second connection groove (144b) is provided with a mounting hole 146 opened to the left and right so that the respective fastening bolts (K) can be inserted.

On the other hand, the pair of corrugated pipe 150 is variable in length depending on the thickness of the manhole wall (W) between the closed tube 110 and the insertion tube 120 and the insertion tube 120 and the rubber tube 140. Each connection is installed so that.

At this time, the corrugated pipe 150 has an insertion protrusion 151 protruding from both ends thereof, and an insertion hole 153 is opened to the left and right so that the plurality of fastening bolts K can be inserted therein.

Thus, one end of one of the corrugated pipe 150 of the pair of corrugated pipe 150 is inserted into the first connecting groove 114b of the hermetic pipe 110 so that the insertion protrusion 151 has the first step 114a. The other end is caught in the other end is inserted into the coupling groove 125 formed on one side of the insertion tube 120, the insertion protrusion 151 is caught in the connecting jaw 123.

In addition, one end of the other corrugated pipe 150 is inserted into the coupling groove 125 formed on the other side of the insertion pipe 120 so that the insertion protrusion 151 is caught on the connecting jaw 123, the other end Is inserted into the second connection groove 144b of the rubber tube 140 so that the insertion protrusion 151 is caught by the second step 144a.

On the other hand, the closing plate 160 is installed to contact the outer surface of the rubber tube 140 to close the outer surface of the rubber tube 140.

At this time, the closing plate 160 is protruded to form a connection pipe 161 having the same outer diameter as the inner diameter of the communication hole 141 to be inserted into the communication hole 141 on one side thereof, the plurality of inside Coupling bolts (K) are inserted into the coupling hole 163 is integrally formed to fasten the nut (F) to the end.

Thus, the underground structure assembly pipe duct of the present invention made of a combination configuration as described above can be installed by selectively connecting the underground transmission line of various diameters to the prefabricated pipe duct connected to the underground transmission line, it is easy to construct and reduce the cost accordingly In order to do so, let's look at the relationship and the effect of the installation.

First, after bolting the end of the pressure bolt 130 to each installation hole 129 of the insertion pipe 120, the insertion pipe 120 is positioned in the pipe connection hole (10).

Thereafter, the tension rubber 131 formed at the end of each of the pressure bolts 130 by adjusting the fastening depth of the pressure bolts 130 through the cross grooves 133 of the pressure bolts 130 is connected to the pipe connection hole 10. By pressing the inner circumferential surface of the insertion pipe 120 is firmly installed on the inner circumferential surface of the pipe connection hole (10).

Thereafter, the insertion protrusion 151 of the corrugated pipe 150 is inserted into and connected to the coupling grooves 125 formed on both sides of the insertion pipe 120, respectively. At this time, the insertion protrusion 151 is bent by the elastic force of the synthetic resin material having an elastic force, is inserted into the coupling groove 125 so that the insertion protrusion 151 is the connecting jaw 123 of the coupling groove 125 Will be caught.

In addition, the through-hole 127 of the insertion pipe 120 and the insertion hole 153 of the corrugated pipe 150 is in communication with each other.

Accordingly, since the length of the corrugated pipe 150 is variable, the prefabricated pipe passage 100 can be easily installed regardless of the thickness of the manhole wall (W).

Thereafter, the airtight pipe 110 is inserted into and connected to the first protrusion 113 on one side of the pipe connection hole 10. In this case, the plurality of fastening bolts K are inserted into the through holes 127 and the insertion holes 153 to protrude their ends.

At this time, the insertion protrusion 151 of the corrugated pipe 150 is inserted into and connected to the first connection groove 114b of the closed tube 110. Thus, the insertion protrusion 151 is engaged with the first stepped portion 114a to form a strong connection relationship.

Thereafter, the second protrusion 143 of the rubber tube 140 is inserted into and connected to the other side of the pipe connection hole 10. At this time, the insertion protrusion 151 of the corrugated pipe 150 is inserted into and connected to the second connection groove 144b of the rubber tube 140. Thus, the insertion protrusion 151 is engaged with the second step 144a to form a strong connection relationship.

In addition, the end of the fastening bolt (K) is inserted into the installation hole 146 of the rubber tube (140).

Thereafter, the outer surface of the rubber tube 140 is installed so that the closing plate 160 is in contact. At this time, the connection pipe 161 of the closing plate 160 is inserted into the communication hole 141 of the rubber tube 140. In addition, the coupling hole 163 of the closing plate 160 is connected in communication with the installation hole 146.

Accordingly, the fastening bolt (K) is inserted into the installation hole 146 and the end is protruded, by tightening the nut (F) to the protruding spiral (N), the prefabricated pipe passage 100 is a solid installation relationship Will be achieved.

That is, when the nut (F) is tightened, the closing plate 160 presses the rubber tube 140, the rubber tube 140 is in closer contact with the manhole wall (W).

Thereafter, the underground transmission line 20 is inserted into and connected to one connection hole 116 having the same inner diameter as the outer diameter of one underground transmission line 20 of the plurality of connection holes 116 having different outer diameters.

Then, by inserting the connection band (B) into the communication hole 119 to tighten the outer peripheral surface of the connection ring 117 inserted into the installation groove 118, the underground transmission and distribution line 20 of the catching jaw 115 It is more closely connected to the outer circumferential surface.

Thus, the prefabricated pipeline 100 of the present invention can be easily installed without changing the structure of the manhole wall while selectively connecting and installing underground transmission lines having various diameters regardless of the length of the manhole wall (W).

According to the present invention, by selectively connecting the underground transmission line of various diameters in the prefabricated duct connected between the manhole and the underground transmission line, the construction is easy and there is an effect that can reduce the cost accordingly.

In addition, when the prefabricated duct is installed in the pipe connection hole, it is possible to easily install it without using an anchor bolt on the wall of the manhole, thereby maintaining the strength of the manhole wall as it is, thereby achieving a strong connection relationship. .

Claims (1)

In the pipeline, which is installed in the pipeline connection hole to connect the underground transmission line to the pipeline connection hole formed in the manhole wall, Prefabricated pipeway 100 It is installed in communication with the pipe connection hole 10 in one side of the pipe connection hole 10 formed in the manhole wall (W), the through hole 111 is formed on the inside, the manhole wall (W) on one side ) Is formed with a groove 112 into which the sealing ring P is inserted and connected to be in close contact with each other, and has a first protrusion having an outer diameter equal to the inner diameter of the conduit connection hole 10 in the adjacent inner side of the groove 112. 113 is formed, a first connecting groove 114b having a first stepped portion 114a is formed on one side of the first protrusion 113, and a spiral is formed on one side of the first connecting groove 114b. Ends of the plurality of fastening bolts (N) having the (N) is buried, have a different outer diameter so that the underground transmission and distribution line 20 can be inserted into the other inner peripheral surface of the through hole 111 and the inside of each A plurality of connection holes 116 having a locking step 115 to be interviewed with the underground transmission and distribution line 20 is formed, the inner peripheral surface of each connection hole 116 An installation groove 118 is formed to communicate with a connection hole 116 so as to insert and install a connection ring 117 having an elastic force, and presses the connection ring 117 to the outer circumferential surface of the installation groove 118 so that the ground A hermetic pipe 110 having a communication hole 119 communicating with the installation groove 118 so as to connect a connection band B for closely connecting the transmission and distribution line 20 to the locking jaw 115 from the outside; It is fixedly installed on the inner circumferential surface of the pipe connection hole 10, the connection hole 121 is formed in communication with the pipe connection hole 10 in the inner side, the coupling groove 125 having a connection jaw 123 on both sides Is formed, a through hole 127 penetrated from side to side so that the plurality of fastening bolts (K) is inserted into one side of the coupling groove 125 is formed, a plurality of installation holes penetrating up and down inside ( Insertion tube 120 is formed 129; One end is bolted to the installation hole 129 so that the insertion pipe 120 can be firmly fixed to the inner circumferential surface of the pipe connection hole 10, the tension for pressing the inner diameter of the pipe connection hole 10 to the other end A plurality of pressure bolts 130 having rubber 131 connected thereto and having a cross groove 133 open downward; The other side of the pipe connection hole 10 is inserted and connected to communicate with the pipe connection hole 10, the communication hole 141 is formed on the inside, the other side is the same as the inner diameter of the pipe connection hole (10) A second protrusion 143 having an outer diameter is formed to protrude, a second connection groove 144b having a second step 144a is formed on the other side of the second protrusion 143, and the second connection groove ( A rubber tube 140 having an installation hole 146 open to the left and right so that each of the fastening bolts K is inserted into and connected to one side of 144b; The airtight pipe 110 and the insertion pipe 120 and the insertion pipe 120 and the rubber pipe 140 are connected to each other so that the length can vary depending on the thickness of the manhole wall (W), insertion protrusions on both ends A pair of corrugated pipes 150 having a protrusion 151 formed therein and having insertion holes 153 open to the left and right to insert the plurality of fastening bolts K therein; It is installed to contact the outer surface of the rubber tube 140 to close the outer surface of the rubber tube 140, the connection pipe 161 having an outer diameter equal to the inner diameter of the communication hole 141 on one side protrudes It is formed, and the plurality of fastening bolts (K) is inserted into the interior underground characterized in that it comprises a closing plate 160 formed integrally with the coupling hole 163 to fasten the nut (F) to the end Structure prefabricated duct.

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