KR20110040049A - Apparatus for connecting pipes and method thereof - Google Patents

Apparatus for connecting pipes and method thereof Download PDF

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Publication number
KR20110040049A
KR20110040049A KR1020090097174A KR20090097174A KR20110040049A KR 20110040049 A KR20110040049 A KR 20110040049A KR 1020090097174 A KR1020090097174 A KR 1020090097174A KR 20090097174 A KR20090097174 A KR 20090097174A KR 20110040049 A KR20110040049 A KR 20110040049A
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KR
South Korea
Prior art keywords
pipe
connectors
flanges
pipes
connector
Prior art date
Application number
KR1020090097174A
Other languages
Korean (ko)
Inventor
황병범
Original Assignee
(주)일신정밀기계
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Publication date
Application filed by (주)일신정밀기계 filed Critical (주)일신정밀기계
Priority to KR1020090097174A priority Critical patent/KR20110040049A/en
Publication of KR20110040049A publication Critical patent/KR20110040049A/en

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    • 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
    • F16L23/00—Flanged joints
    • F16L23/02—Flanged joints the flanges being connected by members tensioned axially
    • F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
    • F16L23/028—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes the flanges being held against a shoulder
    • F16L23/0283—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes the flanges being held against a shoulder the collar being integral with the pipe
    • 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
    • F16L23/00—Flanged joints
    • F16L23/02—Flanged joints the flanges being connected by members tensioned axially
    • F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
    • 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
    • F16L43/00—Bends; Siphons
    • 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
    • F16L27/00—Adjustable joints, Joints allowing movement
    • F16L27/02—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction
    • F16L27/04—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces
    • F16L27/053—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces held in place by bolts passing through flanges

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints Allowing Movement (AREA)

Abstract

PURPOSE: A pipe connection device and connecting method thereof capable of connecting pipes at various and cubic angles is provided to airtightly connect pipes using proper rotary pieces of first, second and third connectors, even if axial lines of the pipe is misaligned. CONSTITUTION: A pipe connection device comprises first, second, and third connectors(10,20,30). The first and second connectors are combined with end part of a pair of pipes. One or more third connectors are connected between the first and second connectors. The first and second, and third connectors include first and second, and third pipes(11,21,31) and flanges(12,22,32,33), respectively. The first and second, and third pipes are bent at a constant angle. The flanges of first and second connectors are installed in one end of the first and second pipes. A pair of flanges of the third connector is installed in both ends of the third pipe. The other side end part of the second pipe is combined in the end part of the pipe using hermetic sealing.

Description

Pipe connecting device and connection method {APPARATUS FOR CONNECTING PIPES AND METHOD THEREOF}

The present invention relates to a connecting device for connecting pipes and pipes, and a connection method thereof, and more particularly, to a pipe connecting device and a connection method capable of connecting pipes and pipes at various angles.

In general, various pipes provided in water, sewage pipes, cold and hot water pipes in various buildings, or various mechanical devices in which fluid supply is necessary are interconnected between the pipes and pipes according to the surrounding conditions and various design conditions. have. And, if the connection line of the pipe is bent at a certain angle rather than being connected in a straight line due to the curved terrain or various other reasons, it is configured to be connected by elbows, T-shaped pipes, Y-shaped pipes and the like.

As such, elbows are mainly used for bending connection sections of pipe lines, and these elbows have specifications of 11.25 °, 22.5 °, 45 °, and 90 °. Therefore, when the connection angle of the bending line of the pipe line is different from the elbow standard, the elbow or a part of the pipe is cut and connected by welding a flange or the like to the end of the pipe, or a plurality of elbows are connected in various ways. .

As such, when the connection angle between the pipe and the pipe is different from that of the elbow, the pipe work is not efficient and the construction cost increases because the elbow or a part of the pipe must be cut and welded, or the plurality of elbows are plucked. There was a downside.

In addition, according to the conventional method, it is difficult to adequately cope with various connection angles between the pipe and the pipe, and the sealing property at the connection portion between the pipe and the pipe is deteriorated, thereby causing a problem such as penetration or leakage of external foreign matter.

The present invention has been made in view of the above, and an object thereof is to provide a pipe connecting device and a method of connecting the pipe and the pipe which can be connected in various ways in three dimensions.

Pipe connection device of the present invention for achieving the above object,

First and second connectors sealingly coupled to respective ends of the pair of pipes to be connected to each other; And

One or more third connectors connected between the first and second connectors,

The first connector has a flange provided at one end of the first pipe and the first pipe bent at an angle, the other end of the first pipe is sealingly coupled to the end of the one pipe,

The second connector has a flange provided at one end of the second tube and the second tube bent at an angle, the other end of the second tube is sealingly coupled to the end of the other pipe,

The third connector is characterized in that it comprises a third pipe bent at a predetermined angle and a pair of flanges provided at both ends of the third pipe.

Each of the flanges of the first to third connectors has an annular contact surface corresponding to each other, and the contact surfaces of the flanges are formed to be flat so that the flanges are rotatably contacted and sealed.

The third tube of the third connector is characterized in that the bending in a symmetrical shape.

Pipe connection method according to the present invention,

Closely contacting flanges of the first and second connectors to the flange side of the third connector;

Selectively rotating at least one of the flanges of the first to third connectors;

Sealingly coupling the flanges in close contact with each other; And

Sealingly coupling the other end of each of the first and second connectors to each end of the pipes.

According to the present invention as described above, it is possible to connect between the pipe and the pipe at various and three-dimensional connection angle, in particular to improve the connection workability of the pipe by adjusting the connection angle between the pipe and the pipe very easily and the construction cost There is an advantage that can be greatly reduced.

In addition, the present invention has the advantage that can be very easily and hermetically connected through the proper rotation operation of the first to third connectors even when the axis of the pipes connected to each other is shifted.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Pipe connecting device according to the present invention includes two or more connectors 10, 20, 30 to connect each end of the pair of pipes (1, 2) to be connected to each other at various and three-dimensional connection angle, two or more connectors 10, 20, and 30 are formed in a structure bent at a predetermined angle.

1 shows a pipe connecting apparatus according to an embodiment of the present invention.

As shown, the pipe connecting device according to an embodiment of the present invention is the first and second connector 10, 20 is sealingly coupled to each end of the pair of pipes (1, 2) to be connected to each other And one or more third connectors 30 connected between the first and second connectors 10 and 20.

The first connector 10 has a first pipe 11 bent at an angle and a flange 12 provided at one end of the first pipe 11, and the other end of the first pipe 11 is piped on one side. It is sealed to the end of (1).

The second connector 20 has a second pipe 21 bent at an angle and a flange 22 provided at one end of the second pipe 21, and the other end of the second pipe 21 is connected to the other pipe. It is sealed to the end of (2).

The first and second tubular bodies 11, 21 may be bent in an angular range of 5 to 45 degrees, preferably bend to 11.25 degrees, which is the minimum of the standard elbow. Flange 12, 22 is coupled to each side end of the first and second tubular bodies 11, 21 by welding, and a plurality of fastening holes 12a, 22a are formed in the flanges 12, 22, A fastener is fastened to these fastening holes 12a and 22a. End portions of the respective pipes 1 and 2 are hermetically coupled to the other end portions of the first and second pipe bodies 11 and 21.

The third connector 30 includes a third tube 31 bent at a predetermined angle and a pair of flanges 32 and 33 provided at both ends of the third tube 31.

The third tube 31 may be bent in an angle range of 5 to 45 °, and preferably bend at an angle of 22.5 ° in a standard elbow. In particular, the third tubular body 31 may be bent in a symmetrical shape and thus may be hermetically and easily coupled with the first tubular bodies 11 and 21 of the first and second connectors 10 and 20.

A pair of flanges 32 and 33 are coupled to both ends of the third pipe body 31 by welding, and each of the flanges 32 and 33 has a plurality of fastening holes 32a and 33a. Each flange 12, 22 of the first and second connectors 10, 20 is hermetically coupled to the flanges 32, 33 of the connector 30 through a fastener, a sealing member, or the like.

Each joining surface of the flanges 12, 22, 32, 33 of the first to third connectors 10, 20, 30 is formed flat so as to be in close airtight contact with each other. Accordingly, the flange 12 of the first connector 10 is hermetically adhered to the flange 32 of the third connector 30, and the second connector 20 is attached to the flange 33 of the third connector 30. Of the flange 22 is tightly pressed. In addition, a sealing material (not shown) is interposed between the flanges 12, 22, 32, and 33 that are in close contact with each other, and the fastening holes 12a and 22a of the flanges 12, 22, 32, and 33 that are fastened to each other by fasteners. , 32a, 33a).

According to the present invention, at least one of the flanges 12, 22, 32, and 33 of the first to third connectors 10, 20, and 30 is rotated at a predetermined angle around the center thereof, and then adjacent flanges 12, 22, and 32 are rotated. , 33) can be connected at a variety of three-dimensional connection angle by closely contacting each other.

2A to 2F are side views illustrating a state in which pipes and pipes are connected at various connection angles through a pipe connection device according to the present invention.

As shown in FIG. 2A, when the flange 12 of the first connector 10, the flanges 32 and 33 of the third connector 30, and the flange 22 of the second connector 20 are brought into close contact with each other, The total of the bending angles of (10, 20, 30) is the connection angle (A1), the pipes (1, 2) can be bent connected to the connection angle (A1).

As shown in FIG. 2B, at least one of the flanges 32 and 33 of the third connector 30 in close contact with each other is rotated at a predetermined angle around the center thereof, and then adjacent first and second connectors 10 and 20 are rotated. When the flanges 12 and 22 are in close contact with each other, the connection angles A2 between the pipes 1 and 2 may be varied in a range of about 0 to 45 °.

In addition, when the flanges 12, 22, 32, 33 of the first to third connectors 10, 20, 30 are appropriately selected and rotated, and then closely adhered to each other, the pipes 1, 2 are connected as shown in FIGS. 2C and 2D. They may be connected in a nearly straight line.

In addition, any one of the flanges 12 and 32 of the flange 12 of the first connector 10 or the flange 32 of the third connector 30 which is in close contact with each other in the state of FIG. 2A is about 180 around the center thereof. Rotating (see arrow A in FIG. 1) may allow the pipes 1 and 2 to be bent at a constant connection angle A3 as shown in FIG. 2E.

In the state of FIG. 2A, one of the flanges 22 and 33 of the flange 22 of the second connector 20 or the flange 33 of the third connector 30 which is in close contact with each other rotates about 180 ° around the center thereof. (See arrow B in FIG. 1), the pipes 1 and 2 can be bent at a constant connection angle A4 as shown in FIG. 2F.

In particular, each flange 12, 22 of the first and second connectors 10, 20 is removed after the third connector 30 is rotated approximately 180 ° around its center (see arrows A and B in FIG. 1). The connection angle can be varied in various and three dimensions by rotating and contacting each of the flanges 32 and 33 of the three connector 30.

3 is a plan view showing a state in which pipes 1 and 2 are connected to each other by a pipe connecting device of the present invention, wherein axis 1a of pipe 1 and axis 2a of pipe 2 are constant. When spaced apart by the interval EC, the axis 1a, 2a by selectively rotating the flanges 12, 22, 32, 33 of the first to third connectors 10, 20, 30 of the present invention and then rotating them in close contact therewith. These pipes 1 and 2 can be easily connected to each other.

4 to 7 is a perspective view illustrating a state in which pipes and pipes are connected at various and three-dimensional connection angles through the pipe connection device of the present invention, as shown in the first to third connectors (10, 20, 30) By rotating at least one of each of the flanges 12, 22, 32, and 33 at a slight fine angle, the first to third connectors 10, 20, and 30 may be connected at various and three-dimensional connection angles.

Meanwhile, as shown in FIG. 8, two third connectors 30 are connected to each other, and flanges of the first and second connectors 10 and 20 are connected to the flanges 32 and 33 of each connector 30. 12 and 22 may be configured to be connected. As such, according to the present invention, since the third connector 30 is formed of two or more numbers, the pipes 1 and 2 may be connected at various connection angles.

9 is a process chart showing a pipe connection method according to the present invention.

First, the flanges 12 and 22 of the first and second connectors 10 and 20 are brought into close contact with the flanges 32 and 33 of the third connector 30 (S1).

Then, by selectively rotating at least one of the flanges (12, 22, 32, 33) of the first to third connectors (10, 20, 30), the first to third connectors (10, 20, 30) leads to various connection angles (S2).

For example, the flange 12 of the first connector 10 is brought into close contact with the flange 32 side of the third connector 30, and at this time, at least one of the flange 12 and the flange 32 which are in close contact with each other is rotated. Close contact On the other hand, the flange 22 of the second connector 20 is in close contact with the flange 33 side of the third connector 30, at this time by rotating at least one of the flange 22 and the flange 33 in close contact with each other Close contact

Then, the flanges 12, 22, 32, and 33 are bonded to each other by fastening the flanges 12, 22, 32, and 33, which are in close contact with each other through fasteners, with the sealing material interposed therebetween. 3 connector 10, 20, 30 are firmly coupled to each other (S3).

Then, the other end portions of the first and second connectors 10 and 20 are sealingly coupled to the respective ends of the pipes 1 and 2 (S4).

1 is an exploded perspective view showing a pipe connecting apparatus according to an embodiment of the present invention.

2A to 2F are side views illustrating a state in which pipes and pipes are connected at various connection angles through a pipe connection device according to the present invention.

3 is a plan view showing a state in which a pipe and a pipe are connected by a pipe connecting device of the present invention when the pipe and the axis of the pipe do not coincide.

4 to 7 is a perspective view illustrating a state in which pipes and pipes are connected at various and three-dimensional connection angle through the pipe connection device according to the present invention.

8 is a side view showing a pipe connecting apparatus according to a modified embodiment of the present invention.

9 is a process chart showing a pipe connection method according to the present invention.

Brief description of symbols for the main parts of the drawings

10: first connector 11: first tube

12: flange 20: second connector

21: second pipe 22: flange

30: third connector 31: first tube

32, 33: flange

Claims (4)

First and second connectors sealingly coupled to respective ends of the pair of pipes to be connected to each other; And One or more third connectors connected between the first and second connectors, The first connector has a flange provided at one end of the first pipe and the first pipe bent at an angle, the other end of the first pipe is sealingly coupled to the end of the one pipe, The second connector has a flange provided at one end of the second tube and the second tube bent at an angle, the other end of the second tube is sealingly coupled to the end of the other pipe, The third connector is a pipe connecting apparatus characterized in that it comprises a third pipe bent at a predetermined angle and a pair of flanges provided at both ends of the third pipe. The method of claim 1, And the flanges of the first to third connectors each have an annular contact surface corresponding to each other, and the contact surfaces of the flanges are formed to be flat so that the flanges are rotatably tightly sealed to each other. The method of claim 2, And a third tube of the third connector is bent in a symmetrical shape. In the connection method for connecting the pipe by the pipe connection device of any one of claims 1 to 3, Closely contacting flanges of the first and second connectors to the flange side of the third connector; Selectively rotating at least one of the flanges of the first to third connectors; Sealingly coupling the flanges in close contact with each other; And Sealingly coupling each other end of each of the first and second connectors to each end of the pipes.
KR1020090097174A 2009-10-13 2009-10-13 Apparatus for connecting pipes and method thereof KR20110040049A (en)

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Application Number Priority Date Filing Date Title
KR1020090097174A KR20110040049A (en) 2009-10-13 2009-10-13 Apparatus for connecting pipes and method thereof

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102797921A (en) * 2012-08-28 2012-11-28 济南水务集团有限公司 Pipeline connecting device
CN103016883A (en) * 2012-12-13 2013-04-03 贵州瓮福蓝天氟化工股份有限公司 Negative pressure-preventing polytetrafluoroethylene-lined creased elbow
WO2014058111A1 (en) * 2012-10-09 2014-04-17 Jang Ki Un Elbow assembly structure allowing for omnidirectional angular adjustment
CN113756727A (en) * 2021-09-10 2021-12-07 四川宏华石油设备有限公司 Self-balancing telescopic rotary hard pipe connecting device and manifold system thereof
CN113819321A (en) * 2021-09-10 2021-12-21 四川宏华石油设备有限公司 Hard tube connecting device and manifold system thereof
US20210404589A1 (en) * 2018-03-07 2021-12-30 The Rendely Connection Structural connection between in-line pipes and tubes
CN115354615A (en) * 2022-08-22 2022-11-18 张国泉 Angle-adjustable drainage pipe group

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102797921A (en) * 2012-08-28 2012-11-28 济南水务集团有限公司 Pipeline connecting device
WO2014058111A1 (en) * 2012-10-09 2014-04-17 Jang Ki Un Elbow assembly structure allowing for omnidirectional angular adjustment
CN103016883A (en) * 2012-12-13 2013-04-03 贵州瓮福蓝天氟化工股份有限公司 Negative pressure-preventing polytetrafluoroethylene-lined creased elbow
CN103016883B (en) * 2012-12-13 2016-04-13 贵州瓮福蓝天氟化工股份有限公司 The liner PTFE dried shrimp elbow of anti-negative pressure
US20210404589A1 (en) * 2018-03-07 2021-12-30 The Rendely Connection Structural connection between in-line pipes and tubes
US11603955B2 (en) * 2018-03-07 2023-03-14 The Rendely Connection Structural connection between in-line pipes and tubes
CN113756727A (en) * 2021-09-10 2021-12-07 四川宏华石油设备有限公司 Self-balancing telescopic rotary hard pipe connecting device and manifold system thereof
CN113819321A (en) * 2021-09-10 2021-12-21 四川宏华石油设备有限公司 Hard tube connecting device and manifold system thereof
CN113819321B (en) * 2021-09-10 2023-08-15 四川宏华石油设备有限公司 Hard pipe connecting device and manifold system thereof
CN113756727B (en) * 2021-09-10 2024-02-27 四川宏华石油设备有限公司 Self-balancing telescopic rotary hard pipe connecting device and manifold system thereof
CN115354615A (en) * 2022-08-22 2022-11-18 张国泉 Angle-adjustable drainage pipe group

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