KR20100071161A - Socket for double wall corrugated pipe - Google Patents

Socket for double wall corrugated pipe Download PDF

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Publication number
KR20100071161A
KR20100071161A KR1020080129786A KR20080129786A KR20100071161A KR 20100071161 A KR20100071161 A KR 20100071161A KR 1020080129786 A KR1020080129786 A KR 1020080129786A KR 20080129786 A KR20080129786 A KR 20080129786A KR 20100071161 A KR20100071161 A KR 20100071161A
Authority
KR
South Korea
Prior art keywords
socket
pipe
double wall
fastening
wall pipe
Prior art date
Application number
KR1020080129786A
Other languages
Korean (ko)
Inventor
박헌홍
Original Assignee
(주)홍일산업
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 (주)홍일산업 filed Critical (주)홍일산업
Priority to KR1020080129786A priority Critical patent/KR20100071161A/en
Publication of KR20100071161A publication Critical patent/KR20100071161A/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F3/00—Sewer pipe-line systems
    • E03F3/04—Pipes or fittings specially adapted to sewers
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F3/00—Sewer pipe-line systems
    • E03F3/06—Methods of, or installations for, laying sewer pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L21/00—Joints with sleeve or socket
    • F16L21/08—Joints with sleeve or socket with additional locking means

Abstract

PURPOSE: A double wall corrugated pipe socket for a twin-wall pipe is provided to connect a twin-wall pipe with a socket by assembling an integrated socket on one side of a twin-wall pipe. CONSTITUTION: A double wall corrugated pipe socket for a twin-wall pipe comprises a connecting ring(20), a packing(30), and a socket pipe. The connecting ring comprises a double wall corrugated pipe protrusion(21) and a socket pipe union projection(22). The twin-wall pipe union projection is combined in bore by inserting in the groove part of the twin-wall pipe. The socket pipe union projection is formed in the diameter surface for the bond with the socket pipe. The socket pipe comprises the expanding part and insertion part.

Description

Integrated Socket for Double Wall Pipes {Socket for Double Wall Corrugated Pipe}

The present invention relates to a double wall pipe mainly used as sewage pipes buried underground to discharge living sewage or rainwater to a water collecting station or a river, and more specifically, to one side of a double wall pipe to conveniently connect the double wall pipe. It relates to an integrated socket that is integrally assembled to.

In general, the double wall pipe is formed of synthetic resin such as polyethylene (PE) or polyvinyl chloride (PVC), and has the shape of a double pipe in which the pipe-shaped inner pipe and the corrugated appearance are integrally bonded, and it is lightweight but withstands earth pressure. Due to its wide use as underground buried pipes.

In addition, since the double wall pipe is manufactured to a predetermined length (usually 6m) and then transported to the work site for connection construction, a connection member such as a joint pipe or a socket for connecting each pipe in the axial direction is required, and Packing is installed.

1 is a cross-sectional view showing an example in which the double wall pipe is connected to each other by a joint pipe, and the double wall pipe 1 has a structure in which a pipe-shaped inner tube and a corrugated exterior are integrally bonded by extruding synthetic resin. The joint pipe 4 has a structure in which a locking jaw 5 protrudes inward in the radial direction in the middle portion in the form of a pipe having an inner diameter slightly larger than the diameter of the double wall pipe 1,

Therefore, during construction, the double wall pipe 1 is placed on both sides of the joint pipe 4 in a state in which the packing 3 is coupled to the groove part 2 of the double wall pipe 1, and the left and right double wall pipe 1 by the lever block. Is inserted into the joint pipe (4) and pulled until the end of the double wall pipe (1) is connected to the locking jaw (5), the two double wall pipe (1) is connected by the joint pipe (4), the packing (3 ) Is compressed between the outer diameter surface of the double wall pipe (1) and the inner diameter surface of the joint pipe (4) to prevent leakage.

However, when connecting the double wall pipe (1) using the joint pipe (4) as described above, the double-wall pipe because both ends of the double wall pipe (1) is forcibly inserted into the joint pipe (4) at the time of construction Connection work of (1) is difficult and time-consuming, and workability is poor.

Meanwhile, unlike the above, as shown in FIG. 2, the double wall pipe 1 is expanded on one side of the double wall pipe 1 so that the socket part 11 is integrally formed and the double wall pipe 1 is installed on the socket part 11 during construction. A socket-integrated double wall tube is known which is configured such that the double wall tube is connected by inserting one end of the side wall).

As described above, the double wall pipe 1 having the socket part 11 integrated into one side can be connected continuously by inserting only one end of the double wall pipe 1 into the socket part 11 during construction. Compared to the method of connecting by inserting the both ends of the joint into the joint pipe (4), there is an advantage that the construction becomes simple.

However, in the case of the double wall pipe in which the socket part 11 is integrally formed by expanding one side, in order to form the socket part 11 on one side of the double wall pipe 1, the end of the already prepared double wall pipe is heated with hot air. Because it must go through the process of forcibly expanding into a mold, the expansion part, that is, the diameter of the part where the angle is bent as the diameter is enlarged, becomes inevitably thinner than other parts. It has the disadvantage of being broken or bursting.

In addition, such a double-wall tube integrated expansion pipe portion is to be cut at the end of the opposite side of the socket portion 11, if the cut in the middle of the double wall tube (1) usually made of 6m during the piping work is already inserted part There is also the inconvenience of having to pull it out again.

The present invention is to provide an integrated socket for a double wall tube that can be easily connected to the double wall tube by assembling an integral socket produced separately on one side of the double wall tube, unlike forming a socket portion by expanding one side of the double wall tube. It is for.

In order to achieve the above object, the integrated socket for a double wall pipe of the present invention is coupled to the outer periphery of the double wall pipe and the double wall pipe fastening protrusion is formed to be fitted into the groove portion of the double wall pipe on the inner diameter surface is coupled to the socket tube on the outer diameter surface A fastening ring having a socket pipe fastening protrusion formed therein, a packing coupled to the groove of the double wall pipe and positioned at one side of the fastening ring, and an expansion pipe and a double wall pipe coupled to an outer circumference of the fastening ring and coupled to the fastening ring; Comprising an insertion portion to be connected to the expansion pipe portion is provided with a socket tube integrally formed with a fixing rib fixed to the socket tube fastening projection is fitted.

A plurality of double wall pipe fastening protrusions formed in the fastening ring are installed in two rows along the inner circumferential surface of the fastening ring, and the double wall pipe fastening protrusions of each row are arranged to be offset from each other.

In addition, the socket pipe fastening protrusions formed on the fastening ring are formed in plural at equal intervals along the circumferential surface of the fastening ring, and are arranged side by side in pairs in two rows, and the tool coupling protrusion for coupling the fastening ring rotating tool is a socket pipe. It is arranged in plural on one side of.

The fixed ribs formed in the expansion pipe portion of the socket pipe are formed in a plurality at equal intervals along the inner diameter surface of the expansion pipe so as to correspond to the socket pipe fastening protrusion of the coupling ring, and are arranged side by side in pairs in two rows so that the sockets between the fixed ribs of each pair Pipe fastening projections are fitted to engage.

In addition, the socket tube fastening protrusion and the fixing rib are formed with a locking projection and a locking groove for controlling the rotation of the inclined surface and the locking ring to move the socket pipe while connecting each other when assembling the socket pipe, the insertion portion of the socket pipe A packing connecting rib for compressing the packing is formed while connecting to the packing.

The present invention can be inserted into the socket integrally assembled on one side of the double-walled tube can be inserted by connecting only one end of the double-walled tube, so the construction is simple compared to inserting and connecting both ends of the double-walled tube to the joint pipe at the work site, respectively. Efficiency and shorter working time.

In addition, unlike the heating and expansion of one side of the double wall tube is a structure for assembling a separate socket on one side of the double wall tube, the strength of the expansion pipe portion is weak, so that this problem can be solved the conventional problem, such as broken.

3 to 10 is a view showing an integrated socket for a double wall pipe according to an embodiment of the present invention, the integrated socket according to the present invention is coupled to the outer ring of the double wall pipe 1 and the fastening ring 20 and the fastening ring Consists of a socket tube 30 coupled to the outer circumference of the.

As described above, the double wall tube 1 is a tube in which a pipe-shaped inner tube and a corrugated outer tube are adhered to each other, and the groove portion 2 and the protrusion are continuously and repeatedly arranged in the outer tube.

The fastening ring 20 has a shape surrounding the double wall pipe 1, and a plurality of double wall pipe fastening protrusions fitted into the grooves 2 of the double wall pipe 1 on the inner diameter surface of the fastening ring 20 ( 21 is formed and a plurality of socket tube fastening protrusions 22 and tool coupling protrusions 23 for coupling with the socket tube 30 are formed on the outer diameter surface.

In the embodiment of the present invention, the structure of the fastening ring 20 is configured in the form of a pair of semi-circular rings divided into a circular ring half and connected to each other by the protrusions 20a and the grooves 20b to form a circle. If the fastening ring is in the form of a circular ring with a part of the open ring, when it is combined with the small double wall pipe, the open ring of the fastening ring can be easily opened to the outer circumference of the double wall pipe (1), but the large double wall pipe This is because the fastening ring made of synthetic resin may be damaged when the fastening ring needs to be opened a lot.

The plurality of double wall pipe fastening protrusions 21 formed on the inner diameter surface of the fastening ring 20 are arranged side by side in two rows along the inner circumferential surface, and the spacing between the rows is between the grooves 2 formed in the double wall pipe 1. Matches the interval.

Therefore, a double wall formed on the inner diameter surface of the main surface coupling ring 20 by connecting a pair of coupling rings 20 so that the projection 20a of one coupling ring in the form of a semi-circular ring is fitted into the groove 20b of the other coupling ring. The pipe fastening protrusion 21 is fitted into the groove portion 2 of the double wall pipe 1 and the fastening ring 20 is coupled to form a circular shape surrounding the circumferential surface of the double wall pipe 1.

In addition, the double wall pipe fastening protrusions 21 arranged in two rows on the fastening ring 20 are arranged so as not to be parallel to each other, which is double wall pipe fastening protrusion when the fastening ring 20 is coupled to the double wall pipe 1. This is for the 21 to be more easily inserted into the groove 2 of the double wall pipe (1).

A plurality of socket tube fastening protrusions 22 formed on the outer diameter surface of the fastening ring 20 are formed along the circumferential surface of the fastening ring 20 at equal intervals, and are arranged side by side in pairs in two rows.

In addition, each of the socket pipe fastening protrusions 22 is formed to protrude from the circumferential surface of the fastening ring 20 by a predetermined height, and both ends of each socket pipe fastening protrusion 22 are formed with inclined surfaces 22a and a central portion. A semicircular engaging groove 22b is formed thereon.

In the accompanying drawings in accordance with an embodiment of the present invention, but shown an example in which six pairs of socket tube fastening protrusions 22 are formed at equal intervals on the circumferential surface of the fastening ring 20, but not limited to 4 pairs or 8 pairs Or any other pair.

A plurality of tool coupling protrusions 23 formed on the outer diameter surface of the coupling ring 20 are formed at equal intervals along the circumferential surface of the coupling ring 20, and the tool coupling protrusions 23 are fastening rings 20. It is a projection for joining the tool when rotating.

The socket tube 24 is composed of an expansion part 24a which is a part which is coupled to the fastening ring 20 and an insertion part 24b which is a part to which the double wall pipe 1 is inserted and connected, and an inner diameter of the expansion part 24a. The socket tube fastening protrusion 22 of the fastening ring 20 is formed to a size that can be inserted.

In addition, a plurality of fixed ribs 25 are formed to protrude inwardly at equal intervals on the inner diameter surface of the expansion pipe 24a, and a packing connecting rib 26 radially along the inner circumferential surface on the inner diameter surface of the insertion portion 24b. It is formed to protrude inwardly.

The fixing ribs 25 are formed in the same interval and the same number as the socket pipe fastening protrusion 22 so as to correspond to the socket pipe fastening protrusion 22 formed on the fastening ring 20 and along the inner circumferential surface of the expansion pipe 24a. They are arranged side by side in two rows.

In addition, the spacing between the fixed ribs 25 located side by side is formed in a size that can be inserted into the socket tube fastening protrusion 22 formed in the fastening ring 20 closely.

Like the socket tube fastening protrusion 22 formed on the fastening ring 20, inclined surfaces 25a are formed at both ends of each of the fixed ribs 25 formed on the expansion pipe 24a, and a semicircular locking protrusion is formed at the central portion. 25b is formed.

The inclined surface 25a formed on the fixed rib 25 is connected to the inclined surface 22a formed on the socket tube conduit 22 during assembly of the socket tube 24, forcing the socket tube 24 by a predetermined distance. It serves to move, the locking projection (25b) formed in the fixed rib 25 serves to control the rotation of the locking ring 20 while being fitted in the locking groove (22b) formed in the socket tube fastening projection (22).

The packing 30 is coupled to one side of the coupling ring 20 of the double wall tube 1, and the packing connecting rib 26 formed on the socket tube 24 connects the socket tube 24 to the coupling ring 20. It is formed at a position to compress the packing 30 when assembling.

The integrated socket for double wall pipe of the present invention as described above is assembled in the following process.

When the fastening ring 20 divided into semicircular shapes as shown in FIG. 3 is positioned outside the outer diameter surface of the double wall pipe 1 and connected by using the protrusion 20a and the groove 20b, the fastening ring 20 is connected to the fastening ring 20 in two rows. The arranged double wall pipe fastening protrusion 21 is inserted into the groove part 2 formed in the double wall pipe 1 and the inner diameter surface of the fastening ring 20 is connected with the outer diameter surface of the double wall tube 1 and fastened as shown in FIG. 4. Ring 20 is coupled to the outer circumference of the double wall pipe (1).

In this state, since the double wall pipe fastening protrusion 21 of the fastening ring 20 is fitted into the groove portion 2 of the double wall pipe 1, the fastening ring 20 can be rotated while being coupled to the double wall pipe 1. However, movement in the axial direction becomes impossible.

When the coupling ring 20 is coupled to the outer circumference of the double wall tube 1 as described above, the packing ring 30 is coupled to the end groove of one side of the double wall tube 1 of the coupling ring 20 and then connected to the coupling ring 20. When the socket tube 24 is coupled, the tool 40 is positioned so that the expansion tube portion 24a of the socket tube 24 is positioned at the outer circumferential portion of the fastening ring 20 when the socket tube 24 is coupled. Rotating the fastening ring 20 using the socket and the like, the socket pipe fastening protrusion 22 formed on the fastening ring 20 is inserted between the fixing ribs 25 formed on the socket pipe 24, as shown in FIG. 5. 24 is firmly coupled to the fastening ring 20.

In detail, the socket tube fastening protrusion 22 formed on the outer diameter surface of the fastening ring 20 and the fixing ribs 25 formed on the inner diameter surface of the expansion pipe portion 24a of the socket tube 24 are not horizontally aligned with each other. When the socket tube 24 is pushed toward the fastening ring 20 in a staggered position without a packing, a packing 30 coupled to one side of the fastening ring 20 is formed on the inner diameter surface of the insertion part 24b of the socket pipe 24. The socket tube 24 enters the fastening ring 20 side until it is connected to the packing connecting rib 26.

As described above, the socket tube 24 enters the coupling ring 20 and the expansion tube 24a is positioned outside the socket tube coupling protrusion 22 of the coupling ring 20. When the coupling ring 20 is rotated by coupling the tool 40 to the tool coupling protrusion 23 formed on the circumferential surface, the socket tube 24 and the coupling ring 20 are coupled to each other by the rotation of the coupling ring 20. The fastening ring 20 and the socket tube 24 are combined as follows.

First, the socket tube 24 is pushed toward the fastening ring 20 to rotate the fastening ring 20 while the packing connecting rib 26 is connected to the packing 30. First, the socket pipe fastening protrusion 22 as shown in FIG. 8. Is brought into contact with the fixed ribs 25, and in this state, when the locking ring 20 is further rotated, the inclined surface 22a of the socket tube fastening protrusion 22 is connected to the inclined surface 25a of the fixed rib 25, The fastening protrusions 22 are inserted at a gap between the pair of fixed ribs 25 arranged side by side, and the locking protrusions 25b formed on the fixed ribs 25 are the locking grooves 22b formed on the socket tube fastening protrusions 22. When fitted with), the rotation of the fastening ring 22 is stopped and the fastening ring 22 is coupled to the socket tube 24.

That is, when the fastening ring 20 is rotated, the socket pipe fastening protrusion 22 climbs up the inclined surface 25a of the fixed rib 25 and is fitted between the pair of fixed ribs 25 while the fastening ring 22 and the socket pipe ( 24 is coupled, the socket tube 24 is a step formed by the inclined surface (25a) of the fixed ribs 25 when the coupling ring 20 is rotated to couple the coupling ring 20 and the socket tube 24 It is firmly coupled to the fastening ring 20 while moving further toward the fastening ring 20 by the distance (L).

At this time, the packing 30 is coupled to the groove portion 2 of the double wall tube 1 and located at one side of the fastening ring 20. The packing connecting rib 26 formed in the insertion portion 24b according to the movement of the socket tube 24 is provided. By compressing and expanding by) it is in close contact with the inner diameter surface of the expansion tube portion 24a of the socket tube 24 to maintain the watertight.

The present invention as described above is connected to another double wall tube (1) by inserting the insertion portion (24b) of the socket tube 24 integrally assembled on one side of the double wall tube (1) as shown in Figure 6, At this time, when the double wall pipe 1 is pushed into the insertion part 24b of the socket pipe 24 while the packing 30 is coupled to the groove part 2 of the double wall pipe 1 to be connected, the packing 30 is compressed and the double wall Since the pipe 1 is forcibly inserted and inserted into the socket tube 24, the double wall pipe 1 can be continuously connected.

1 is a cross-sectional view showing an example of a state in which a conventional double wall pipe is connected by a joint pipe

Figure 2 is a cross-sectional view showing an example of a state in which the conventional expandable double wall pipe is connected

3 to 5 is an exploded perspective view showing an embodiment of the present invention

3 is a full exploded perspective view

Figure 4 is a perspective view showing the coupling ring coupled to the double wall pipe

5 is a perspective view showing a state in which the fastening ring and the socket tube are assembled to the double wall tube

Figure 6 is a cross-sectional view of the assembled state of the present invention

7 is a perspective view of a fastening ring applied to the present invention

8 and 9 are views illustrating the coupling process of the fastening ring and the socket tube.

8 is a state diagram before the fastening ring is coupled to the socket tube

9 is a state in which the fastening ring is coupled to the socket tube

10 is an enlarged view of a portion of FIG. 8.

<Description of the symbols for the main parts of the drawings>

    1: double wall pipe 20: fastening ring

   21: double wall tube fastening protrusion 22: socket tube fastening protrusion

   22a: slope 22b: locking groove

   23: tool coupling protrusion 24: tool coupling protrusion

   24a: Expansion part 24b: Insertion part

   25: fixed rib 25a: inclined surface

   25b: Jamming protrusion 26: Packing connection rib

   30: Packing

Claims (7)

A coupling ring coupled to an outer circumference of the double wall pipe and having a double wall pipe fastening protrusion formed on the inner diameter surface thereof so as to be fitted into the groove of the double wall pipe, and the outer diameter surface having a socket pipe fastening protrusion for coupling with the socket pipe; A packing coupled to the groove of the double wall pipe and located at one side of the coupling ring; It is composed of a socket pipe which is coupled to the outer circumference of the fastening ring and composed of an insertion part connected to the fastening ring and the double wall pipe is connected, and a fixing rib fixed to the socket pipe fastening projection is fitted to the expansion pipe part. Integral socket for a double wall pipe. 2. The integrated socket for a double wall pipe according to claim 1, wherein a plurality of double wall pipe fastening protrusions formed in the fastening ring are installed in two rows along the inner circumferential surface of the fastening ring, and the double wall pipe fastening protrusions of each row are disposed to be offset from each other. The integrated socket for a double wall pipe according to claim 1, wherein a plurality of socket pipe fastening protrusions formed on the fastening ring are formed at equal intervals along the circumferential surface of the fastening ring and are arranged side by side in pairs in two rows. The integrated socket for a double wall pipe according to claim 1, wherein a tool engaging projection for engaging the rotating ring tool is formed on the circumferential surface of the locking ring. According to claim 1, wherein the fixed rib formed in the expansion pipe portion of the socket pipe is formed in a plurality at equal intervals along the inner diameter surface of the expansion pipe to correspond to the socket pipe fastening protrusion of the fastening ring and arranged in pairs in two rows side by side each pair An integrated socket for a double wall pipe, characterized in that the socket tube fastening projection is inserted between the fixing ribs. According to claim 3 or 5, wherein the socket tube fastening protrusion and the fixed ribs are each formed when the socket pipe is connected to each other while the inclined surface for moving the socket pipe, and the locking projection and the locking groove for controlling the rotation of the coupling ring is formed. Integral socket for a double wall pipe. 2. The double wall pipe socket according to claim 1, wherein a packing connection rib is formed to compress the packing while being connected to the packing at the insertion portion of the socket pipe.
KR1020080129786A 2008-12-19 2008-12-19 Socket for double wall corrugated pipe KR20100071161A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020080129786A KR20100071161A (en) 2008-12-19 2008-12-19 Socket for double wall corrugated pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020080129786A KR20100071161A (en) 2008-12-19 2008-12-19 Socket for double wall corrugated pipe

Publications (1)

Publication Number Publication Date
KR20100071161A true KR20100071161A (en) 2010-06-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020080129786A KR20100071161A (en) 2008-12-19 2008-12-19 Socket for double wall corrugated pipe

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101011018B1 (en) * 2010-10-06 2011-01-26 (주)홍일산업 Water supply and drainage pipe
KR101283923B1 (en) * 2012-10-24 2013-07-16 (주) 삼정디씨피 Collar pipe for separation type
CN105805447A (en) * 2016-05-10 2016-07-27 浙江正康实业有限公司 High-strength tensile mechanical pressure connection type pipe joint
KR101656217B1 (en) * 2015-12-17 2016-09-13 대림프라스틱 주식회사 Seamed pipe connecting for dual fixed for a sewer pipe connection
CN106015780A (en) * 2016-08-17 2016-10-12 上海酷风汽车部件有限公司 Pipeline device for car air conditioning system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101011018B1 (en) * 2010-10-06 2011-01-26 (주)홍일산업 Water supply and drainage pipe
KR101283923B1 (en) * 2012-10-24 2013-07-16 (주) 삼정디씨피 Collar pipe for separation type
KR101656217B1 (en) * 2015-12-17 2016-09-13 대림프라스틱 주식회사 Seamed pipe connecting for dual fixed for a sewer pipe connection
CN105805447A (en) * 2016-05-10 2016-07-27 浙江正康实业有限公司 High-strength tensile mechanical pressure connection type pipe joint
CN106015780A (en) * 2016-08-17 2016-10-12 上海酷风汽车部件有限公司 Pipeline device for car air conditioning system

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