WO2023106819A1 - Branch pipe coupling device, coupler for installing branch pipe coupling device, and fastening device therefor - Google Patents
Branch pipe coupling device, coupler for installing branch pipe coupling device, and fastening device therefor Download PDFInfo
- Publication number
- WO2023106819A1 WO2023106819A1 PCT/KR2022/019775 KR2022019775W WO2023106819A1 WO 2023106819 A1 WO2023106819 A1 WO 2023106819A1 KR 2022019775 W KR2022019775 W KR 2022019775W WO 2023106819 A1 WO2023106819 A1 WO 2023106819A1
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- Prior art keywords
- pipe
- coupling
- fastening
- support
- coupler
- Prior art date
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- 230000008878 coupling Effects 0.000 title claims abstract description 171
- 238000010168 coupling process Methods 0.000 title claims abstract description 171
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 171
- 238000003825 pressing Methods 0.000 claims description 14
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 230000007423 decrease Effects 0.000 claims description 10
- 239000007769 metal material Substances 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005304 joining Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- F16L41/00—Branching pipes; Joining pipes to walls
-
- 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
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
Definitions
- the present invention relates to a pipe coupling device for mutually coupling pipes having hollow insides, and more particularly, to a coupling device for coupling a branch pipe to a circle pipe so that hollow portions thereof communicate with each other.
- the present invention relates to a coupler for installing a branch pipe coupling device to a circle pipe, and a fastening device for fastening or coupling the coupling to a circle pipe.
- Pipes are used to transport fluids. Pipes are connected and branched in various forms to properly transport fluids. To connect the pipes, a pipe fitting or a pipe connecting (combining) device is used. These are also referred to as connection sockets.
- a pipe connecting device of a simple form has a plurality of fastening parts for interconnecting pipes. There are various types of connection devices, such as I-type, Y-type, and T-type, for example, depending on their shape. Pipe connectors are used to simply connect pipes to each other or to change the path of pipes, that is, the transport path of fluid.
- fluid systems require a means for distributing or branching some fluids from the fluid conveyed through one route, the circle pipe, to another route, the branch pipe.
- These means are widely used in a wide variety of systems, such as sprinkler systems for fire extinguishing and disaster prevention or watering for relationships, various types of water supply systems, fuel supply systems such as city gas, and heat exchange systems using refrigerants or cooling water.
- a wide variety of branching structures and coupling devices have been proposed for the effective branching of fluid, that is, the effective coupling of a circle pipe and a branch pipe.
- Distribution pipe manufacturing method and Patent Registration No. 10-0886881 (Name: pipe manufacturing device with branch connection and manufacturing method using the same) and Registration Patent No. 10-1179150 (Name: Metal pipe branch pipe manufacturing method and The device) discloses a method of directly forming a structure for connecting a branch pipe to a single pipe.
- this method requires a separate and complicated device, it is difficult to directly employ and use it in the field.
- Patent Publication No. 10-1993-0004810 name: adapter assembly for pipe branching
- Patent Publication No. 10-2004-0073726 name: pipe connection structure of heat exchanger
- Registration Patent No. 10-0813706 name: Connection socket for pipe branch
- Registration Patent No. 10-0729601 Name: Branch pipe connector
- Registration Patent No. 10-0977053 Name: Connection socket for pipe branch
- Registration Patent No. 10-0959735 Name: branch pipe connection structure of fluid pipe
- Patent Registration No. 10-1056811 name: branch pipe connection device
- Patent Registration No. 10-1404808 name: branch pipe connection construction method.
- Registered Patent No. 10-1642889 Name: Connection device for branch pipe connection
- Patent Registration No. 10-1783208 Name: Branch pipe connection device
- registration room No. 20-0333397 name: hose branch connector
- registration room No. 20-0354187 name: hose with branch connection hole
- the device disclosed herein has a problem in that it cannot be applied to a pipe connecting and branching structure made of metal due to material limitations in its structure.
- the present invention has been created in view of the above circumstances, and has a technical purpose to provide a branch pipe coupling device that can be manufactured at a low price as well as having a simple structure.
- another technical object of the present invention is to provide a coupler and a fastening device capable of installing a branch pipe coupling device to a single pipe through a very simple on-site operation.
- a branch pipe coupling device for realizing the above object is a branch pipe coupling device for coupling a branch pipe by being installed in a branch hole of a circle pipe, a coupling part for detachably coupling a branch pipe. And, a coupling portion semi-permanently installed in the branch hole, and a support portion provided between the coupling portion and the coupling portion and preventing the branch pipe coupling device from being drawn into the inside of the original pipe through the branch hole.
- the coupling portion, the coupling portion, and the support portion are made of a metal material and integrally formed, and a hollow portion is provided while penetrating the coupling portion, the coupling portion, and the support portion as a whole, and the coupling portion is formed in a pipe shape and is circled through a branch hole. It is characterized in that it is configured to include a body entering the inside of the pipe, and a bent portion formed at an end of the body and bent outward along the inner circumferential surface of the circular pipe.
- the leak prevention means is characterized in that it has a ring groove provided on the lower surface of the support portion, and an O-ring installed in the ring groove.
- an insertion member is additionally provided between the support and the original pipe.
- the lower surface of the support is characterized in that it has the same curvature radius as the one pipe.
- a coupler according to a second aspect of the present invention is a coupler employed to couple a branch pipe to a branch hole of a round pipe, wherein the coupler for detachably couples the branch pipe, the fastening part fastened to the branch hole, and the above It is provided between the coupling portion and the fastening portion, and is configured with a support portion for preventing the branch pipe coupling device from being drawn into the inside of the original pipe through the branch hole, and the coupling portion, the fastening portion, and the support portion are made of a metal material.
- the fastening part has a pipe-shaped body, and a bent part formed at an end of the body, and the body is the support part. It is characterized in that the inner and outer diameters monotonically decrease from the side to the side of the bent portion.
- the coupler is characterized in that it is bound to the branch hole through the expansion work of the body.
- a ring groove is additionally provided on the bottom surface of the support portion.
- the bending angle of the bent portion with respect to the body is set to 90 degrees or less.
- the lower surface of the support is characterized in that it has the same curvature radius as the one pipe.
- a fastening device includes a coupling portion for detachably coupling a branch pipe, a coupling portion fastened to a branch hole, and a support provided between the coupling portion and the coupling portion, wherein the coupling portion It has a pipe-shaped first body and a bent part formed at an end of the first body, and the first body has a coupler configured so that the inner and outer diameters monotonically decrease while going from the support part side to the bent part.
- a fastening device for fastening to a branch hole of comprising: a fastening rod having a head and a fastening shaft, a nut fastened to the fastening rod, and a truncated cone-shaped second body, and when the nut is fastened to the fastening rod, the first body Having a pipe expansion member for expanding the first body while entering the inside of the first body from the end of the, and a third body seated inside the coupling portion, and a support for supporting the fastening of the fastening rod and the nut Consists of characterized by
- the expansion member is characterized in that formed integrally coupled to the fastening rod.
- the head portion has an inclined portion, the expansion member moves up and down along the inclined portion, and a pressing portion for pressing the bent portion toward the inner circumferential surface of the round pipe is provided at one end of the second body.
- the expansion member is characterized in that it is provided with two or more expansion pieces, a ring groove is provided on the outer circumferential surface of the second body, and an elastic ring is installed in the ring groove.
- the head portion is characterized in that a stopper for blocking the rise of the expansion member is additionally provided.
- the support is characterized in that it is fastened detachably to the coupling portion.
- a support plate is provided at the end of the support, and the support plate is characterized in that the outer diameter is set larger than the coupling part.
- the branch pipe coupling device is installed in the branch hole of the original pipe.
- the branch pipe coupling device includes a coupling portion for detachably coupling the branch pipe and a coupling portion for coupling the coupling device to the branch hole.
- the coupling part has a pipe-shaped body entering the inside of the original pipe through the branch hole, and a bent part is provided at an end of the body.
- the coupling device is semi-permanently bound to the original pipe by the coupling part.
- the above coupling device does not require a separate binding product to fasten it to the branch hole. Therefore, the structure of the coupling device is simplified, and the installation cost is minimized.
- a coupling tool and its fastening device For installation of the coupling device, a coupling tool and its fastening device are employed.
- the fastening device can be used repeatedly.
- a coupler is provided for installation of the coupling device. The worker can bind the coupler to the branch hole through a simple operation of forming a branch hole in the round pipe at the work site and fastening the nut of the fastening device to the fastening rod.
- FIG. 1 is a perspective view showing the external shape of a branch pipe coupling device 1 according to an embodiment of the present invention, a perspective view showing a state in which the branch pipe coupling device 1 is coupled to the original pipe 100.
- Fig. 2 is a cross-sectional view taken along line A-A' in Fig. 1;
- Figure 3 is a partially cut-away perspective view of Figure 1;
- Figure 4 is a perspective view showing a coupler 50 for installing the branch pipe coupling device (1) to the original pipe (100).
- Fig. 5 is a cross-sectional view taken along line B-B' in Fig. 4;
- Figure 6 is a cross-sectional view for explaining the operation of installing the coupler 50 of Figure 4 to the original pipe (100).
- Figure 7 is an exploded perspective view showing the configuration of a fastening device 60 according to an embodiment of the present invention for fastening the coupler 50 of the present invention to the one pipe 100.
- FIG. 8 is a cross-sectional view of the fastening device 60 corresponding to FIG. 7;
- FIG. 9 is a cross-sectional view for explaining an operation of fastening the coupler 50 to the branch hole 200 of the round pipe 100 using the fastening device 60;
- FIG. 10 is an exploded perspective view showing the configuration of a fastening device 90 according to another embodiment of the present invention.
- FIG. 11 is a cross-sectional view of the pipe expansion member 80 in FIG. 10;
- FIG. 12 is an exploded perspective view of the pipe expansion member 80 in FIG. 10;
- FIG. 13 is a cross-sectional view illustrating an operation of fastening the coupler 50 to the branch hole 200 of the original pipe 100 using the fastening device 90.
- FIG. 14 is a cross-sectional view illustrating a state in which the coupler 50 is fastened using the fastening device 90 as a view for explaining a modified example of the fastening device 90 shown in FIG. 10 .
- Fig. 15 is a cross-sectional view showing another configuration example of the coupling device 1 shown in Figs. 1 to 3;
- 61 bolt, 61a: head,
- 61b bolt shaft
- 62 pipe expansion member
- 80 pipe expansion member, 80a ⁇ 80c: expansion piece,
- 801 body, 802: stepped portion,
- H hollow part
- X1 inner diameter of fastening part
- X2 inner diameter of the joint
- X3 inner diameter of the branch hole
- FIG. 1 is a perspective view showing the external shape of a branch pipe coupling device 1 according to an embodiment of the present invention, which is a perspective view showing a state in which the branch pipe coupling device 1 is coupled to the original pipe 100.
- FIG. 2 is a cross-sectional view taken along line A-A' in FIG. 1
- FIG. 3 is a partially cut-away perspective view of FIG.
- the branch hole 200 is installed in the original pipe 100 through a conventional method, and the branch pipe coupling device 1 is installed therein.
- the branch pipe coupling device 1 is mixed with the coupling device 1, and the one pipe 100 and the pipe 100 are mixed.
- the coupling device 1 includes a coupling portion 10, a coupling portion 20, and a support portion 30 integrally formed.
- the coupling device 1 is preferably made of a metal material such as iron.
- the coupling device 1 is provided with a hollow portion H while penetrating the body as a whole.
- the branch pipe will communicate with the original pipe 100 through the hollow part H.
- Coupling portion 10 is provided on one side of the coupling device (1).
- Coupling part 10 is generally made of a pipe shape.
- a screw portion for detachably coupling a branch pipe (not shown) is formed on an inner circumferential surface of the coupling portion 10 .
- these threaded parts may be formed on the outer circumferential surface of the coupling part 10 .
- the shape of the connecting portion 10 is not specified.
- the coupling part 10 may be configured in any shape and structure capable of detachably coupling the branch pipe.
- the coupling part 20 is provided on the other side of the coupling device 1.
- the coupling part 20 is for semi-permanently fastening the coupling device 1 to the branch hole 200 of the pipe 100.
- the coupling portion 20 has a shape in which an end portion of the pipe-shaped body enters the inside of the pipe 100 through the branch hole 200 and is bent outward along the inner circumferential surface of the pipe 100 . Accordingly, the coupling device 1 is prevented from being separated from the pipe 100 .
- a support portion 30 is provided at an intermediate portion between the coupling portion 10 and the coupling portion 20 .
- the support part 30 prevents the coupling device 1 from entering the inside of the pipe 100 through the branch hole 200 and allows the coupling device 1 to be stably seated on the outer circumferential surface of the pipe 100.
- the lower surface of the support part 30, that is, the contact surface in contact with the outer circumferential surface of the pipe 100 is preferably formed to have a radius of curvature equal to that of the pipe.
- a ring groove 31 is formed in the circumferential direction on the bottom surface of the support part 30, and an O-ring 40 is installed in the ring groove 31.
- the O-ring 40 is a leakage between the pipe 100 and the coupling device 1, more specifically, the fluid transported through the pipe 100 passes through the branch hole 200 of the pipe 100 and the bottom surface of the support 30. This is to prevent leakage to the outside.
- the number of ring grooves 31 and O-rings 40 is not specified.
- reference numeral X1 denotes the inner diameter of the coupling portion 20
- X2 denotes the inner diameter of the coupling portion 10
- X3 denotes the inner diameter of the branch hole 200 .
- the inner diameter X1 of the coupling part 20 is shown smaller than the inner diameter X2 of the coupling part 10, but they may be set to the same size.
- the branch pipe coupling device 1 having the above structure is semi-permanently bound to the original pipe 100, and no other binding product is required for coupling of the coupling device 1. Therefore, the connection structure of the branch pipe is simplified, and the cost for installing the branch pipe is minimized.
- FIG. 4 is a perspective view showing a coupler 50 for installing the branch pipe coupling device 1 to the pipe 100
- FIG. 5 is a cross-sectional view taken along the line B-B' in FIG. 6 is a cross-sectional view for explaining an operation of installing the coupler 50 of FIG. 4 to the pipe 100.
- the same reference numerals are assigned to substantially the same parts as those of FIGS. 1 to 3 described above in FIGS. 4 to 6, and detailed descriptions thereof are omitted.
- the coupler 50 is made of a metal material such as iron, like the coupling device 1, and has a hollow part H while penetrating the body as a whole. And, the coupler 50 is composed of a coupling part 10, a fastening part 51, and a support part 30 integrally configured.
- the coupling portion 10 and the support portion 30 are substantially the same as those of the coupling device 1 .
- the fastening part 51 includes a pipe-shaped body 511 and a bent part 512 formed at an end of the body 511.
- the length of the body 511 is set to a size corresponding to the thickness of the pipe 100.
- the inner and outer diameters of the body 511 monotonically decrease from the support part 30 side toward the end, that is, the bent part 512 side, so that the body 511 has a hollow truncated cone shape as a whole.
- the bent portion 512 is bent outward from the end of the body 511 .
- the outer diameter of the bent portion 512 is equal to or smaller than the inner diameter X3 of the branch hole 200 so that the fastening part 51 can be inserted through the branch hole 200 of the pipe 100 .
- the O-ring 40 is disposed in the ring groove 31 of the support 30, and the pipe passes through the branch hole 200.
- the fastening part 51 of the coupler 50 is drawn into the inside of the (100).
- a separate pipe expansion means is entered in the C direction or the D direction to expand the body 511 of the fastening part 51. Expansion of the body 511 is preferably performed until the outer circumferential surface of the body 511 comes into contact with the inner circumferential surface of the branch hole 200 .
- the coupler 50 is fixedly bound to the pipe 100 while entirely covering the inner surface of the branch hole 200 and the inner and outer circumferential surfaces of the pipe 100 around the branch hole 200 .
- the bending angle ⁇ of the bent portion 512 with respect to the body 511 of the fastening portion 51 is appropriately set.
- the bending angle ( ⁇ ) is set to 90 degrees, more preferably 90 degrees or less.
- the coupler 50 When the bending angle ⁇ is set to 90 degrees or less, the coupler 50 is bound to the pipe 100 while the bent portion 512 presses the inner circumferential surface of the pipe 100 when the body 511 is expanded. The binding force of the coupler 50 to the pipe 100 is improved.
- FIG. 7 is an exploded perspective view showing the configuration of a fastening device 60 according to an embodiment of the present invention for fastening the coupler 50 to the branch hole 200 of the pipe 100, and FIG. 8 corresponds to FIG. It is a cross-sectional view of the fastening device 60 to be.
- the fastening device 60 includes a bolt 61, a pipe expansion member 62, a support 63, and a nut 64. They are preferably made of a metal material.
- the bolt 60 is provided with a head portion 61a and a bolt shaft 61b as in the usual case.
- a threaded portion is formed on the outer circumferential surface of the bolt shaft 61b, and the nut 64 is detachably fastened to the bolt shaft 61b of the bolt 60.
- the nut 64 is provided with a fastening hole 64 in the central portion as in the case of a normal one, and a fastening screw is formed on its inner circumferential surface.
- Bolts 60 and nuts 64 are not required to have a special configuration.
- the bolt 60 and the nut 64 may adopt any configuration capable of pressurizing the pipe expansion member 62 to be described later in one direction through the fastening operation thereof.
- the expansion member 62 is composed of a wedge shape, that is, a truncated cone shape in which the outer diameter monotonically decreases as the body 621 goes from the head 61a side of the bolt 60 to the support 63 side.
- the expansion member 62 and the bolt 61 may be integrally configured.
- the outer diameter of the part having the largest diameter, that is, the part in contact with the head part 61a of the bolt 60, is equal to or less than the inner diameter X1 of the coupling part 20 in FIG. 2 is set to A through hole 622 is formed in the central portion of the tube expansion member 62 along the longitudinal direction.
- the inner diameter of the through hole 622 is larger than the outer diameter of the bolt shaft 61b and smaller than the outer diameter of the head portion 61a.
- the through hole 622 is formed in a size as close as possible to the outer diameter of the bolt shaft 61b so that the bolt shaft 61b does not flow in a direction different from the longitudinal direction.
- the expansion member 62 is pressed toward the support 63 by the head 61a as the bolt 61 is fastened with the nut 64a.
- the support 63 is for stably supporting the fastening operation of the coupler 50 to the pipe 100.
- the support 63 includes a body 631 and a support plate 632 .
- the body 631 is seated in the coupling portion 10 of the coupler 50.
- the body 631 has an outer diameter of the coupling portion to prevent the movement of the bolt shaft 61b ( 10) is set to a size corresponding to the inner diameter (X2).
- the body 631 may be detachably fastened to the coupling part 10 in consideration of more reliable stability than the support 63 .
- the support plate 632 is integrally formed with the body 631, and its outer diameter is set larger than the inner diameter X2 of the coupling part 10.
- the support plate 632 stably supports the support 63 at the end of the coupling part 10 .
- the support plate 632 is not essential and can be removed as needed.
- the outer diameter of the support plate 632 may be set larger than that of the coupling part 10 . If the size of the support plate 632 is increased, the operator can easily attach and detach the fastening device 60 to the coupler 50 while holding the support plate 632 by hand.
- a through hole 633 is formed in the central portion of the support 63 along the longitudinal direction.
- the inner diameter of the through hole 633 is the bolt shaft 61b as much as possible within the range that can ensure the flow of the bolt shaft 61b in the longitudinal direction so that the bolt shaft 61b of the bolt 61 can be stably supported. It is set to a size close to the outer diameter of
- FIG. 9 is a cross-sectional view illustrating an operation of fastening the coupler 50 to the branch hole 200 of the pipe 100 using the fastening device 60 described above.
- fastening the coupler 50 first place the coupler 50 between the expansion member 62 of the fastening device 60 and the support 63, and then use the bolt 61 and the nut 64 to combine them At this time, the coupler 50 is disposed so that the fastening part 51 faces the expansion member 62 side.
- the temporary coupling body is inserted into the branch hole 200 of the pipe 100.
- the O-ring 40 is disposed in the ring groove 31 of the support part 30.
- the nut 64 is fastened to the bolt 61 using, for example, an electric wrench.
- the tube expansion member 62 is released downward through the inner space of the fastening part 51 and , Accordingly, the operator can separate the fastening device 60 from the coupler 50.
- the support portion 30 is pressed toward the outer circumferential side of the pipe 100 by the pressing force between the pipe expansion member 62 and the support plate 632.
- the bent portion 512 presses the inner circumferential surface of the pipe 100 and is mounted on the inner circumferential surface. Accordingly, the coupler 50 is firmly bound to the pipe 100 through the branch hole 200 .
- the O-ring 40 is sufficiently pressed and the space between the outer circumferential surface of the pipe 100 and the support part 30 is sealed by the O-ring 40. do. Therefore, leakage of the fluid through the coupling surface between the pipe 100 and the coupler 50 is prevented.
- the fastening device 90 includes a fastening rod 70, a pipe expansion member 80, a support 63 and a nut 64.
- the support 63 and the nut 64 are substantially the same as those of the embodiment of FIG. 7 .
- Fastening rod 70 is preferably made of a metal material.
- the fastening rod 70 has a head 71 and a fastening shaft 72 .
- the head portion 71 includes an inclined portion 711 whose outer diameter monotonically decreases from the end toward the fastening shaft 72 side.
- the outer diameter of the part having the largest diameter in the head part 71 is set to a value equal to or less than the inner diameter X1 of the coupling part 20 in the coupling device 1.
- a threaded portion 721 for fastening with the nut 64 is provided on the outer circumferential surface of the fastening shaft 72 .
- FIG. 11 is a cross-sectional view of the pipe expansion member 80 in FIG. 10, and FIG. 12 is an exploded perspective view of the pipe expansion member 80.
- the tube expansion member 80 is made of a truncated cone shape similarly to the tube expansion member 62 of FIG. 7 . That is, the expansion member 80 is made of a shape whose outer diameter monotonically decreases while going from one side to the other side.
- one side of the pipe expansion member 80 is provided with a pressing portion 81 for pressing the bent portion 512 of the coupler 50 (see FIG. 13B) toward the inner circumferential direction of the pipe 100.
- the outer diameter of the pressing part 81 is equal to or less than the inner diameter X1 of the binding part 20, similar to the head part 71.
- a through hole 82 is formed along its longitudinal direction.
- the inner diameter of the through hole 82 gradually decreases while going from one side to the other side.
- the inclination of the through hole 82 along the longitudinal direction is set equal to that of the inclined portion 711 in the fastening rod 70.
- the tube expansion member 80 includes a plurality of tube expansion pieces 80a to 80c.
- the expansion pieces 80a to 80c are composed of three, but the number is not specified.
- Each of the pipe expansion pieces 80a to 80c includes an arc-shaped body 801 whose width monotonically decreases, and a stepped portion 802 provided on an outer circumferential surface of one side of the body 801.
- the stepped portion 802 constitutes the pressing portion 81 .
- a ring groove 83 is formed in the circumferential direction on the outer circumferential surface of the body of the expansion member 80.
- An elastic ring 85 is coupled to the ring groove 83 to elastically support the coupling state of the expansion pieces 80a to 80c.
- the elastic ring 85 is made of spring steel, for example.
- the material of the elastic ring 85 is not specified.
- any material capable of pressing the outer circumferential surface of the tube expansion member 80 with a certain intensity or more while having elasticity may be employed.
- the pipe expansion member 80 expands the body 511 of the fastening part 51 in the coupler 50 while being moved up and down along the inclined part 711 of the fastening rod 70, and the pressing part 81 is the fastening part
- the bent portion 512 of (51) is pressed toward the inner circumference of the pipe 100.
- FIG. 13 is a cross-sectional view for explaining an operation of fastening the coupler 50 to the branch hole 200 of the pipe 100 using the aforementioned fastening device 90.
- the fastening operation using the fastening device 90 is performed in substantially the same manner as the fastening operation using the fastening device 60 described in FIG. 9 .
- the operator temporarily couples the coupler 50 to the fastening device 90.
- the coupler 50 is disposed between the pipe expansion member 80 and the support 63, similarly to the fastening device 60.
- the operator inserts the temporary coupling body into the branch hole 200 of the pipe 100 with the head portion 71 of the fastening rod 70 as a starting point.
- the O-ring 40 is disposed in the ring groove 31 of the support part 30 .
- the operator performs a fastening operation of the nut 64 to the fastening rod 70 using, for example, an electric wrench.
- the fastening rod 70 moves downward as the nut 64 is fastened.
- the pipe expansion member 80 is lowered downward by the head 71 .
- the tube expansion member 80 descends, the body 511 of the fastening part 51 is expanded by the tube expansion member 80, and a stress corresponding to the expansion force is applied to the elastic ring 85 to form an elastic ring ( 85) is extended. Accordingly, as the head portion 71 slides down along the inner circumferential surface of the tube expansion member 80 along with the descent of the tube expansion member 80, the outer diameter of the tube expansion member 80 is gradually increased.
- the operator releases the nut 64 from the fastening rod 70.
- the fastening rod 70 is raised upward by the pressure of the expansion member 80 by the elastic ring 85.
- the outer diameter of the tube expansion member 80 returns to its original size. Therefore, in this state, the operator can withdraw the fastening device 90 to the outside through the hollow part H of the coupler 50.
- the pressing part 81 presses the upper surface of the bent part 512 so that the fastening part 51 is connected to the branch hole of the pipe 100. (200) so that it can be more firmly bound.
- FIG. 14 is a view for explaining a modified example of the fastening device 90 shown in FIG. 10, which is a cross-sectional view showing a state in which the coupler 50 is fastened using the fastening device 90.
- a stopper 70a is provided on the outer circumferential surface of the head 711 of the fastening rod 70 to block the rise of the tube expansion member 81.
- the outer diameter of the stopper 70a is set equal to or smaller in size than the inner diameter of the coupling part 20 .
- This configuration example is to increase the pressing force on the bent portion 512 by limiting the rise of the tube expansion member 81 through the stopper (70a). Since other parts are the same as those of the embodiment of FIG. 10 , the same reference numerals are assigned to the same parts as those of the above-described embodiment, and detailed descriptions thereof are omitted.
- the ring groove 31 and the O-ring 40 are used as leakage preventing means for preventing leakage of fluid between the coupling device 1 and the pipe 100.
- this leakage preventing means is not limited to a specific structure, and any structure capable of preventing leakage can be preferably employed.
- Insertion member 140 is installed below the support part 30 .
- Insertion member 140 is preferably composed of a plate shape of a metal material. The shape of the insertion member 140 is not specified. Insertion member 140 is provided with a through hole while the central portion is perforated.
- the insertion member 140 is preferably configured in a washer shape, and a coupling part 20 is disposed inside the through hole. And between the coupling part 20 and the insertion member 140 to the inside of the through hole, for example, an O-ring 40 is disposed as an airtight member.
- the coupling device 1 described above since the O-ring 40 is disposed inside the through hole of the insertion member 140, the separation of the O-ring 40 from the coupling device 1 is prevented. In addition, since the O-ring 40 is coupled while being pressed with sufficient pressure by the support 30 in the process of forming the coupling device 1 using the coupler 50, leakage between the coupling device 1 and the pipe 100 is prevented. prevented In addition, since the coupling device 1 is installed while the insertion member 140 is pressed by the support 30, the coupling device 1 is fixed while being in close contact with the outer circumferential surface of the pipe 100. Therefore, it is possible to eliminate the disadvantage of processing the lower surface of the support part 30 to the radius of curvature of the pipe 100 for close contact between the support part 30 and the pipe 100 .
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- Branch Pipes, Bends, And The Like (AREA)
Abstract
In the present invention, a branch pipe coupling device (1) is installed in a branch hole (200) of a round pipe (100). The branch pipe coupling device (1) is provided with a coupling part (10) for detachably coupling a branch pipe and a fastening part (20) for fastening the coupling device in the branch hole. The fastening part (20) has a pipe-shaped body entering the inside of the round pipe through the branch hole, and a bent part is provided at the end of the body. The branch pipe coupling device (1) is semi-permanently fastened to the round pipe (100) by the fastening part (20). A coupler and a fastening device therefor are adopted for installation of the branch pipe coupling device (1). The coupler is provided for installation of the coupling device. In a work site, a worker can form the branch hole (200) through the round pipe (100) and fasten the coupler in the branch hole (200) through a simple work of fastening a nut of the fastening device to a fastening rod.
Description
본 발명은 내부가 중공된 파이프를 상호 결합하기 위한 파이프 결합장치에 관한 것으로, 특히 원 파이프에 분기 파이프를 그 중공부가 상호 연통되도록 결합하기 위한 결합장치에 관한 것이다.The present invention relates to a pipe coupling device for mutually coupling pipes having hollow insides, and more particularly, to a coupling device for coupling a branch pipe to a circle pipe so that hollow portions thereof communicate with each other.
또한, 본 발명은 원 파이프에 분기 파이프 결합장치를 설치하기 위한 결합구와, 이 결합구를 원 파이프에 체결 또는 결합하기 위한 체결장치에 관한 것이다.In addition, the present invention relates to a coupler for installing a branch pipe coupling device to a circle pipe, and a fastening device for fastening or coupling the coupling to a circle pipe.
기체와 액체 등을 포함하는 유체는 산업적으로 대단히 많이 이용된다. 많은 시설 및 설비에서 유체의 이송 및 배송이 이루어지고 있으며, 유체의 이송 경로를 조정하기 위한 다양한 수단들이 존재한다. 유체의 이송에는 파이프가 사용된다, 파이프는 유체의 적절한 이송을 위해 다양한 형태로 연결되고 분기된다. 파이프의 연결에는 파이프 연결구 또는 파이프 연결(결합)장치가 사용된다. 이들은 연결 소켓으로 지칭되기도 한다. 단순한 형태의 파이프 연결장치는 파이프를 상호 연결하기 위한 다수의 체결부를 구비한다. 이러한 연결장치는 그 형태에 따라 예컨대 I형, Y형, T형 등 다양한 것이 존재한다. 파이프 연결장치는 단순히 파이프를 상호 연결하거나 파이프의 경로, 즉 유체의 이송 경로를 변경하는데 사용된다.Fluids including gases and liquids are widely used industrially. Transport and delivery of fluids are performed in many facilities and facilities, and there are various means for adjusting the transport path of fluids. Pipes are used to transport fluids. Pipes are connected and branched in various forms to properly transport fluids. To connect the pipes, a pipe fitting or a pipe connecting (combining) device is used. These are also referred to as connection sockets. A pipe connecting device of a simple form has a plurality of fastening parts for interconnecting pipes. There are various types of connection devices, such as I-type, Y-type, and T-type, for example, depending on their shape. Pipe connectors are used to simply connect pipes to each other or to change the path of pipes, that is, the transport path of fluid.
한편, 많은 유체 시스템에 있어서는 하나의 경로, 즉 원 파이프를 통해 이송되는 유체로부터 일부 유체를 다른 경로, 즉 분기 파이프로 분배 또는 분기하기 위한 수단이 요구된다. 이러한 수단은 화재의 진화 및 방재나 관계용 살수 등을 위한 스프링클러 시스템이나 다양한 종류의 급수 시스템, 도시가스 등의 연료공급 시스템, 냉매나 냉각수를 사용하는 열교환 시스템 등 매우 다양한 시스템에서 폭넓게 사용된다.On the other hand, many fluid systems require a means for distributing or branching some fluids from the fluid conveyed through one route, the circle pipe, to another route, the branch pipe. These means are widely used in a wide variety of systems, such as sprinkler systems for fire extinguishing and disaster prevention or watering for relationships, various types of water supply systems, fuel supply systems such as city gas, and heat exchange systems using refrigerants or cooling water.
유체의 분기 및 합류를 위해 상기한 파이프 연결장치, 예컨대 T형 연결장치를 채용하는 것은 비효율적이다. 일반적으로 유체의 분기 및 합류가 요구되는 시스템의 경우, 그 분기점과 합류점의 수효가 매우 많다. 이들 분기 및 합류점 마다 T형 연결장치를 채용하기에는 많은 시간과 비용이 요구된다.It is inefficient to employ the above-described pipe connecting device, for example, a T-shaped connecting device, for branching and joining of fluids. In general, in the case of a system requiring branching and joining of fluids, the number of branching points and joining points is very large. It takes a lot of time and money to employ a T-type connector at each of these branching and joining points.
유체의 효과적인 분기, 즉 원 파이프와 분기 파이프의 효과적인 결합을 위해 매우 다양한 종류의 분기 구조 및 결합장치가 제안된 바 있다, 대한민국 공개특허 제10-2003-0039102호(명칭: 용접부가 없는 유체 이송 및 분배용 파이프의 제조방법)와 등록특허 제10-0886881호(명칭: 분기접속구가 형성된 파이프 제조장치 및 이를 이용한 제조방법) 및 등록특허 제10-1179150호(명칭: 금속파이프의 가지관 제조방법 및 그 장치)에는 원 파이프에 분기 파이프 결합을 위한 구조를 직접적으로 형성하는 방법에 대해 개시하고 있다. 그러나, 이러한 방법은 별도의 복잡한 장치가 요구되기 때문에 이를 현장에서 바로 채용하여 사용하기에는 어려움이 존재한다.A wide variety of branching structures and coupling devices have been proposed for the effective branching of fluid, that is, the effective coupling of a circle pipe and a branch pipe. Distribution pipe manufacturing method) and Patent Registration No. 10-0886881 (Name: pipe manufacturing device with branch connection and manufacturing method using the same) and Registration Patent No. 10-1179150 (Name: Metal pipe branch pipe manufacturing method and The device) discloses a method of directly forming a structure for connecting a branch pipe to a single pipe. However, since this method requires a separate and complicated device, it is difficult to directly employ and use it in the field.
또한, 특허공고 제10-1993-0004810호(명칭: 파이프 분기용 아답터 조립체), 공개특허 제10-2004-0073726호(명칭: 열교환기의 파이프 연결구조), 등록특허 제10-0813706호(명칭: 파이프 분기용 연결소켓), 등록특허 제10-0729601호(명칭: 분기관 연결구), 등록특허 제10-0977053호(명칭: 파이프 분기용 연결소켓), 등록특허 제10-0959735호(명칭: 유체파이프의 분기지관 접속구조), 등록특허 제10-1056811호(명칭: 분기관 연결장치), 등록특허 제10-1404808호(명칭: 분기관 접속시공 공법). 등록특허 제10-1642889호(명칭: 분기파이프 연결용 연결장치), 등록특허 제10-1783208호(명칭: 분기파이프 연결장치), 등록특허 제10-2275178호(명칭: 파이프 분기용 커플링 어셈블리) 및 등록실용 제20-0407820호(명칭: 분기관 연결구) 등에는 원 파이프에 대해 분기 파이프를 결합하기 위한 결합장치에 대해 개시하고 있다. 그러나 여기에 개시된 결합장치는 구조가 복잡하고, 그 설치에 복잡한 작업이 요구되며, 결합장치 자체의 가격이 높다는 단점이 있다.In addition, Patent Publication No. 10-1993-0004810 (name: adapter assembly for pipe branching), Patent Publication No. 10-2004-0073726 (name: pipe connection structure of heat exchanger), Registration Patent No. 10-0813706 (name : Connection socket for pipe branch), Registration Patent No. 10-0729601 (Name: Branch pipe connector), Registration Patent No. 10-0977053 (Name: Connection socket for pipe branch), Registration Patent No. 10-0959735 (Name: branch pipe connection structure of fluid pipe), Patent Registration No. 10-1056811 (name: branch pipe connection device), and Patent Registration No. 10-1404808 (name: branch pipe connection construction method). Registered Patent No. 10-1642889 (Name: Connection device for branch pipe connection), Patent Registration No. 10-1783208 (Name: Branch pipe connection device), Patent Registration No. 10-2275178 (Name: Coupling assembly for pipe branch) ) and registration room No. 20-0407820 (name: branch pipe connector) disclose a coupling device for coupling a branch pipe to a original pipe. However, the coupling device disclosed herein has disadvantages in that the structure is complicated, complicated work is required for its installation, and the price of the coupling device itself is high.
또한, 등록실용 제20-0333397호(명칭: 호스 분기용 커넥터) 및 등록실용 제20-0354187호(명칭: 분기구 연결공을 갖는 호스)는 비교적 간단한 구조로 된 결합장치에 대해 개시하고 있다. 그러나 여기에 개시된 장치는 그 구조상 재료적인 한계가 존재하여 금속 재질로 이루어지는 파이프의 연결 및 분기 구조에는 적용할 수 없다는 문제가 있다.In addition, registration room No. 20-0333397 (name: hose branch connector) and registration room No. 20-0354187 (name: hose with branch connection hole) disclose coupling devices having a relatively simple structure. However, the device disclosed herein has a problem in that it cannot be applied to a pipe connecting and branching structure made of metal due to material limitations in its structure.
본 발명은 상기한 사정을 감안하여 창출된 것으로서, 간단한 구조로 이루어짐과 더불어 저렴한 가격으로 제조할 수 있는 분기 파이프 결합장치를 제공함에 기술적 목적이 있다.The present invention has been created in view of the above circumstances, and has a technical purpose to provide a branch pipe coupling device that can be manufactured at a low price as well as having a simple structure.
또한, 본 발명은 현장에서 매우 간단한 작업을 통해 원 파이프에 대해 분기 파이프 결합장치를 설치할 수 있도록 된 결합구와 그 체결장치를 제공함에 다른 기술적 목적이 있다.In addition, another technical object of the present invention is to provide a coupler and a fastening device capable of installing a branch pipe coupling device to a single pipe through a very simple on-site operation.
상기 목적을 실현하기 위한 본 발명의 제1 관점에 따른 분기 파이프 결합장치는 원 파이프의 분기공에 설치되어 분기 파이프를 결합하기 위한 분기 파이프 결합장치에 있어서, 분기 파이프를 착탈가능하게 결합하기 위한 결합부와, 분기공에 반영구적으로 설치되는 결속부 및, 상기 결합부와 결속부 사이에 구비되고, 분기 파이프 결합장치가 분기공을 통해 원 파이프의 내측으로 인입되는 것을 방지하기 위한 지지부를 구비하여 구성되고, 상기 결합부와 결속부 및 지지부는 금속재질로 구성됨과 더불어 일체적으로 형성되며, 상기 결합부와 결속부 및 지지부를 전체적으로 관통하면서 중공부가 구비되고, 상기 결속부는 파이프 형상으로 이루어짐과 더불어 분기공을 통해서 원 파이프의 내측으로 진입하는 몸체와, 상기 몸체의 단부에 형성됨과 더불어 원 파이프의 내주면을 따라 외측방향으로 절곡되는 절곡부를 구비하여 구성되는 것을 특징으로 한다.A branch pipe coupling device according to a first aspect of the present invention for realizing the above object is a branch pipe coupling device for coupling a branch pipe by being installed in a branch hole of a circle pipe, a coupling part for detachably coupling a branch pipe. And, a coupling portion semi-permanently installed in the branch hole, and a support portion provided between the coupling portion and the coupling portion and preventing the branch pipe coupling device from being drawn into the inside of the original pipe through the branch hole. The coupling portion, the coupling portion, and the support portion are made of a metal material and integrally formed, and a hollow portion is provided while penetrating the coupling portion, the coupling portion, and the support portion as a whole, and the coupling portion is formed in a pipe shape and is circled through a branch hole. It is characterized in that it is configured to include a body entering the inside of the pipe, and a bent portion formed at an end of the body and bent outward along the inner circumferential surface of the circular pipe.
또한, 상기 지지부와 원 파이프의 사이에는 누출방지수단이 구비되는 것을 특징으로 한다.In addition, it is characterized in that a leak prevention means is provided between the support and the original pipe.
또한, 상기 누출방지수단은 지지부의 하면에 구비되는 링홈과, 상기 링홈에 설치되는 오링을 구비하는 것을 특징으로 한다.In addition, the leak prevention means is characterized in that it has a ring groove provided on the lower surface of the support portion, and an O-ring installed in the ring groove.
또한, 상기 지지부와 원 파이프 사이에 삽입부재가 추가로 구비되는 것을 특징으로 한다.In addition, it is characterized in that an insertion member is additionally provided between the support and the original pipe.
또한, 상기 지지부의 하면은 원 파이프와 동일한 곡률반경을 갖는 것을 특징으로 한다.In addition, the lower surface of the support is characterized in that it has the same curvature radius as the one pipe.
본 발명의 제2 관점에 따른 결합구는 원 파이프의 분기공에 분기 파이프를 결합하기 위해 채용되는 결합구에 있어서, 분기 파이프를 착탈가능하게 결합하기 위한 결합부와, 분기공에 체결되는 체결부 및, 상기 결합부와 체결부 사이에 구비되고, 분기 파이프 결합장치가 분기공을 통해 원 파이프의 내측으로 인입되는 것을 방지하기 위한 지지부를 구비하여 구성되고, 상기 결합부와 체결부 및 지지부는 금속재질로 구성됨과 더불어 일체적으로 형성되며, 상기 결합부와 체결부 및 지지부를 전체적으로 관통하면서 중공부가 구비되고, 상기 체결부는 파이프 형상의 몸체와, 상기 몸체의 단부에 형성되는 절곡부를 구비하고, 상기 몸체는 상기 지지부 측으로부터 절곡부 측으로 가면서 그 내경 및 외경이 단조적으로 감소하는 것을 특징으로 한다.A coupler according to a second aspect of the present invention is a coupler employed to couple a branch pipe to a branch hole of a round pipe, wherein the coupler for detachably couples the branch pipe, the fastening part fastened to the branch hole, and the above It is provided between the coupling portion and the fastening portion, and is configured with a support portion for preventing the branch pipe coupling device from being drawn into the inside of the original pipe through the branch hole, and the coupling portion, the fastening portion, and the support portion are made of a metal material. In addition, it is integrally formed, and a hollow part is provided while penetrating the coupling part, the fastening part, and the support part as a whole, the fastening part has a pipe-shaped body, and a bent part formed at an end of the body, and the body is the support part. It is characterized in that the inner and outer diameters monotonically decrease from the side to the side of the bent portion.
또한, 상기 결합구는 몸체의 확관작업을 통해 분기공에 결속되는 것을 특징으로 한다.In addition, the coupler is characterized in that it is bound to the branch hole through the expansion work of the body.
또한, 상기 지지부의 저면에 링홈이 추가로 구비되는 것을 특징으로 한다.In addition, it is characterized in that a ring groove is additionally provided on the bottom surface of the support portion.
또한, 상기 몸체에 대한 절곡부의 굽힘 각도 90도 이하로 설정되는 것을 특징으로 한다.In addition, it is characterized in that the bending angle of the bent portion with respect to the body is set to 90 degrees or less.
또한, 상기 지지부의 하면은 원 파이프와 동일한 곡률반경을 갖는 것을 특징으로 한다.In addition, the lower surface of the support is characterized in that it has the same curvature radius as the one pipe.
본 발명의 제3 관점에 따른 체결장치는 분기 파이프를 착탈가능하게 결합하기 위한 결합부와, 분기공에 체결되는 체결부 및, 상기 결합부와 체결부 사이에 구비되는 지지부를 구비하고, 상기 체결부는 파이프 형상의 제1 몸체와 상기 제1 몸체의 단부에 형성되는 절곡부를 구비하며, 상기 제1 몸체는 상기 지지부 측으로부터 절곡부 측으로 가면서 그 내경 및 외경이 단조적으로 감소하도록 구성된 결합구를 원 파이프의 분기공에 체결하는 체결장치에 있어서, 머리부와 체결축을 구비하는 체결봉과, 상기 체결봉에 체결되는 너트, 원뿔대 형상의 제2 몸체를 구비하고, 체결봉에 대한 너트의 체결시에 제1 몸체의 단부로부터 제1 몸체의 내측으로 진입하면서 상기 제1 몸체를 확관하는 확관부재 및, 상기 결합부 내측에 안착되는 제3 몸체를 구비하고, 체결봉과 너트의 체결을 지지하는 지지대를 구비하여 구성되는 것을 특징으로 한다.A fastening device according to a third aspect of the present invention includes a coupling portion for detachably coupling a branch pipe, a coupling portion fastened to a branch hole, and a support provided between the coupling portion and the coupling portion, wherein the coupling portion It has a pipe-shaped first body and a bent part formed at an end of the first body, and the first body has a coupler configured so that the inner and outer diameters monotonically decrease while going from the support part side to the bent part. One pipe A fastening device for fastening to a branch hole of, comprising: a fastening rod having a head and a fastening shaft, a nut fastened to the fastening rod, and a truncated cone-shaped second body, and when the nut is fastened to the fastening rod, the first body Having a pipe expansion member for expanding the first body while entering the inside of the first body from the end of the, and a third body seated inside the coupling portion, and a support for supporting the fastening of the fastening rod and the nut Consists of characterized by
또한, 상기 확관부재는 상기 체결봉에 일체적으로 결합되어 형성되는 것을 특징으로 한다.In addition, the expansion member is characterized in that formed integrally coupled to the fastening rod.
또한, 상기 머리부는 경사부를 구비하고, 상기 확관부재는 상기 경사부를 따라 승하강되며, 상기 제2 몸체의 일단부에는 상기 절곡부를 원 파이프의 내주면 측으로 가압하는 가압부가 구비되는 것을 특징으로 한다.In addition, the head portion has an inclined portion, the expansion member moves up and down along the inclined portion, and a pressing portion for pressing the bent portion toward the inner circumferential surface of the round pipe is provided at one end of the second body.
또한, 상기 확관부재는 2개 이상의 확관편을 구비하고, 상기 제2 몸체의 외주면에는 링홈이 구비되며, 상기 링홈에는 탄성링이 설치되는 것을 특징으로 한다.In addition, the expansion member is characterized in that it is provided with two or more expansion pieces, a ring groove is provided on the outer circumferential surface of the second body, and an elastic ring is installed in the ring groove.
또한, 상기 머리부에는 상기 확관부재의 상승을 차단하기 위한 스토퍼가 추가로 구비되는 것을 특징으로 한다.In addition, the head portion is characterized in that a stopper for blocking the rise of the expansion member is additionally provided.
또한, 상기 지지대는 결합부와 착탈가능하게 체결되는 것을 특징으로 한다.In addition, the support is characterized in that it is fastened detachably to the coupling portion.
또한, 상기 지지대의 단부에는 지지판이 구비되고, 상기 지지판은 결합부 보다 외경이 크게 설정되는 것을 특징으로 한다.In addition, a support plate is provided at the end of the support, and the support plate is characterized in that the outer diameter is set larger than the coupling part.
상기한 구성으로 된 본 발명에 의하면, 원 파이프의 분기공에 분기 파이프 결합장치가 설치된다. 분기 파이프 결합장치는 분기 파이프를 착탈가능하게 결합하기 위한 결합부와, 결합장치를 분기공에 결속하기 위한 결속부를 구비한다. 결속부는 분기공을 통해 원 파이프의 내측으로 진입되는 파이프 형상의 몸체를 구비하고, 몸체의 단부에는 절곡부가 구비된다. 결합장치는 결속부에 의해 원 파이프에 반영구적으로 결속된다. 상기한 결합장치는 이를 분기공에 체결하기 위해 별도의 결속품이 요구되지 않는다. 따라서 결합장치의 구조가 간단화 되고, 설치 비용이 최소화 된다.According to the present invention having the above configuration, the branch pipe coupling device is installed in the branch hole of the original pipe. The branch pipe coupling device includes a coupling portion for detachably coupling the branch pipe and a coupling portion for coupling the coupling device to the branch hole. The coupling part has a pipe-shaped body entering the inside of the original pipe through the branch hole, and a bent part is provided at an end of the body. The coupling device is semi-permanently bound to the original pipe by the coupling part. The above coupling device does not require a separate binding product to fasten it to the branch hole. Therefore, the structure of the coupling device is simplified, and the installation cost is minimized.
결합장치의 설치에는 결합구와 그 체결장치가 채용된다. 체결장치는 반복적인 사용이 가능하다. 결합구는 결합장치의 설치를 위해서 제공된다. 작업자는 작업 현장에서 원 파이프에 분기공을 형성하고, 체결장치의 너트를 체결봉에 체결하는 간단한 작업을 통해 결합구를 분기공에 결속할 수 있게 된다.For installation of the coupling device, a coupling tool and its fastening device are employed. The fastening device can be used repeatedly. A coupler is provided for installation of the coupling device. The worker can bind the coupler to the branch hole through a simple operation of forming a branch hole in the round pipe at the work site and fastening the nut of the fastening device to the fastening rod.
본 명세서에 첨부된 도면은 본 발명의 실시 예를 보다 효과적으로 설명하기 위한 것이다. 따라서 본 발명의 기술에 대한 이해를 돕기 위해 일부 구성이 과장되게 묘사되거나 생략될 수 있음을 이해하여야 할 것이다.The drawings accompanying this specification are for more effectively explaining the embodiments of the present invention. Accordingly, it should be understood that some components may be exaggeratedly described or omitted to help understand the technology of the present invention.
도 1은 본 발명의 일 실시 예에 따른 분기 파이프 결합장치(1)의 외관 형상을 타나낸 사시도로서, 분기 파이프 결합장치(1)가 원 파이프(100)에 결합된 상태를 나타낸 사시도.1 is a perspective view showing the external shape of a branch pipe coupling device 1 according to an embodiment of the present invention, a perspective view showing a state in which the branch pipe coupling device 1 is coupled to the original pipe 100.
도 2는 도 1에서 선 A-A'에 따른 단면도.Fig. 2 is a cross-sectional view taken along line A-A' in Fig. 1;
도 3은 도 1의 일부절개 사시도.Figure 3 is a partially cut-away perspective view of Figure 1;
도 4는 분기 파이프 결합장치(1)를 원 파이프(100)에 설치하기 위한 결합구(50)를 나타낸 사시도.Figure 4 is a perspective view showing a coupler 50 for installing the branch pipe coupling device (1) to the original pipe (100).
도 5는 도 4에서 선 B-B'에 따른 단면도.Fig. 5 is a cross-sectional view taken along line B-B' in Fig. 4;
도 6은 도 4의 결합구(50)를 원 파이프(100)에 설치하는 동작을 설명하기 위한 단면도.Figure 6 is a cross-sectional view for explaining the operation of installing the coupler 50 of Figure 4 to the original pipe (100).
도 7은 본 발명의 결합구(50)를 원 파이프(100)에 체결하기 위한 본 발명의 일 실시 예에 따른 체결장치(60)의 구성을 나타낸 분리 사시도.Figure 7 is an exploded perspective view showing the configuration of a fastening device 60 according to an embodiment of the present invention for fastening the coupler 50 of the present invention to the one pipe 100.
도 8은 도 7에 대응하는 체결장치(60)의 단면도. 8 is a cross-sectional view of the fastening device 60 corresponding to FIG. 7;
도 9는 체결장치(60)를 이용하여 원 파이프(100)의 분기공(200)에 결합구(50)를 체결하는 동작을 설명하기 위한 단면도.9 is a cross-sectional view for explaining an operation of fastening the coupler 50 to the branch hole 200 of the round pipe 100 using the fastening device 60;
도 10은 본 발명의 다른 실시 예에 따른 체결장치(90)의 구성을 나타낸 분리 사시도.10 is an exploded perspective view showing the configuration of a fastening device 90 according to another embodiment of the present invention.
도 11은 도 10에서 확관부재(80)의 단면도.11 is a cross-sectional view of the pipe expansion member 80 in FIG. 10;
도 12는 도 10에서 확관부재(80)의 분리 사시도.12 is an exploded perspective view of the pipe expansion member 80 in FIG. 10;
도 13은 체결장치(90)를 이용하여 결합구(50)를 원 파이프(100)의 분기공(200)에 체결하는 동작을 설명하기 위한 단면도.13 is a cross-sectional view illustrating an operation of fastening the coupler 50 to the branch hole 200 of the original pipe 100 using the fastening device 90.
도 14는 도 10에 나타낸 체결장치(90)의 변형 예를 설명하기 위한 도면으로서, 체결장치(90)를 이용하여 결합구(50)를 체결한 상태를 나타낸 단면도.FIG. 14 is a cross-sectional view illustrating a state in which the coupler 50 is fastened using the fastening device 90 as a view for explaining a modified example of the fastening device 90 shown in FIG. 10 .
도 15는 도 1 내지 도 3에 나타낸 결합장치(1)의 다른 구성 예를 나타낸 단면도.Fig. 15 is a cross-sectional view showing another configuration example of the coupling device 1 shown in Figs. 1 to 3;
[부호의 설명][Description of code]
1: 결합장치, 10: 결합부,1: coupling device, 10: coupling unit,
20: 결속부, 30: 지지부,20: binding part, 30: support part,
31: 링홈, 40: 오링,31: ring groove, 40: O-ring,
50: 결합구, 51: 체결부,50: coupler, 51: fastening part,
61: 볼트, 61a: 머리부,61: bolt, 61a: head,
61b: 볼트축, 62: 확관부재,61b: bolt shaft, 62: pipe expansion member,
63: 지지대, 64: 너트,63: support, 64: nut,
64a: 체결공, 70: 체결봉,64a: fastening hole, 70: fastening rod,
71: 머리부, 72: 체결축,71: head, 72: fastening shaft,
80: 확관부재, 80a~80c: 확관편,80: pipe expansion member, 80a ~ 80c: expansion piece,
81: 가압부, 82: 관통공,81: pressing part, 82: through hole,
83: 링홈, 85: 탄성링,83: ring groove, 85: elastic ring,
100: 원 파이프, 140: 삽입부재,100: one pipe, 140: insertion member,
200: 분기공. 511: 몸체,200: branch hole. 511: body,
512: 절곡부, 621: 몸체,512: bent portion, 621: body,
622: 관통공, 631: 몸체,622: through hole, 631: body,
632: 지지판, 633: 관통공,632: support plate, 633: through hole,
711: 경사부, 721: 나사부,711: inclined portion, 721: threaded portion,
801: 몸체, 802: 단차부,801: body, 802: stepped portion,
H: 중공부, X1: 체결부 내경,H: hollow part, X1: inner diameter of fastening part,
X2: 결합부 내경, X3: 분기공 내경.X2: inner diameter of the joint, X3: inner diameter of the branch hole.
이하, 도면을 참조하여 본 발명에 따른 실시 예를 설명한다, 다만 이하에서 설명하는 실시 예는 본 발명의 하나의 바람직한 구현 예를 예시적으로 나타낸 것으로서, 이러한 실시 예의 예시는 본 발명의 권리 범위를 제한하기 위한 것이다. 본 발명은 그 기술적 사상을 벗어나지 않는 범위 내에서 다양하게 변형시킬 수 있음을 당업자는 용이하게 이해할 수 있을 것이다.Hereinafter, embodiments according to the present invention will be described with reference to the drawings. However, the embodiments described below exemplarily represent one preferred embodiment of the present invention, and examples of these embodiments do not extend the scope of the present invention. is to limit Those skilled in the art will easily understand that the present invention can be modified in various ways without departing from its technical spirit.
도 1은 본 발명의 일 실시 예에 따른 분기 파이프 결합장치(1)의 외관 형상을 타나낸 사시도로서, 이는 분기 파이프 결합장치(1)가 원 파이프(100)에 결합된 상태를 나타낸 사시도이다. 또한, 도 2는 도 1에서 선 A-A'에 따른 단면도이고, 도 3은 도 1의 일부절개 사시도이다. 도면에서 원 파이프(100)에는 통상적인 방법을 통해 분기공(200)이 설치되고, 여기에 분기 파이프 결합장치(1)가 설치된다. 이하에서는 보다 간단한 설명을 위해 분기 파이프 결합장치(1)를 결합장치(1)와 혼용하고, 원 파이프(100)와 파이프(100)를 혼용하기로 한다. 결합장치(1)는 일체적으로 구성되는 결합부(10)와 결속부(20) 및 지지부(30)를 구비하여 구성된다. 결합장치(1)는 바람직하게 철 등의 금속재질로 구성된다. 결합장치(1)는 몸체를 전체적으로 관통하면서 중공부(H)가 마련된다. 분기 파이프는 이 중공부(H)를 통해 원 파이프(100)와 연통될 것이다.1 is a perspective view showing the external shape of a branch pipe coupling device 1 according to an embodiment of the present invention, which is a perspective view showing a state in which the branch pipe coupling device 1 is coupled to the original pipe 100. In addition, FIG. 2 is a cross-sectional view taken along line A-A' in FIG. 1, and FIG. 3 is a partially cut-away perspective view of FIG. In the drawing, the branch hole 200 is installed in the original pipe 100 through a conventional method, and the branch pipe coupling device 1 is installed therein. Hereinafter, for a simpler description, the branch pipe coupling device 1 is mixed with the coupling device 1, and the one pipe 100 and the pipe 100 are mixed. The coupling device 1 includes a coupling portion 10, a coupling portion 20, and a support portion 30 integrally formed. The coupling device 1 is preferably made of a metal material such as iron. The coupling device 1 is provided with a hollow portion H while penetrating the body as a whole. The branch pipe will communicate with the original pipe 100 through the hollow part H.
결합부(10)는 결합장치(1)의 일측에 마련된다. 결합부(10)는 대체적으로 파이프 형상으로 이루어진다. 결합부(10)의 내주면에는 분기 파이프(도시되지 않음)를 착탈가능하게 결합하기 위한 나사부가 형성된다. 물론, 이러한 나사부는 결합부(10)의 외주면에 형성될 수 있다. 또한, 결합부(10)의 형상도 특정되지 않는다. 결합부(10)는 분기 파이프를 착탈가능하게 결합할 수 있는 임의의 형상 및 구조로 구성될 수 있다.Coupling portion 10 is provided on one side of the coupling device (1). Coupling part 10 is generally made of a pipe shape. A screw portion for detachably coupling a branch pipe (not shown) is formed on an inner circumferential surface of the coupling portion 10 . Of course, these threaded parts may be formed on the outer circumferential surface of the coupling part 10 . Also, the shape of the connecting portion 10 is not specified. The coupling part 10 may be configured in any shape and structure capable of detachably coupling the branch pipe.
결속부(20)는 결합장치(1)의 타측에 마련된다. 결속부(20)는 결합장치(1)를 파이프(100)의 분기공(200)에 반영구적으로 체결하기 위한 것이다. 결속부(20)는 파이프 형상의 몸체가 분기공(200)을 통해 파이프(100)의 내측으로 진입한 후 단부가 파이프(100)의 내주면을 따라 외측방향으로 절곡된 형상으로 이루어진다. 이에 따라 결합장치(1)는 파이프(100)로부터 이탈이 방지된다.The coupling part 20 is provided on the other side of the coupling device 1. The coupling part 20 is for semi-permanently fastening the coupling device 1 to the branch hole 200 of the pipe 100. The coupling portion 20 has a shape in which an end portion of the pipe-shaped body enters the inside of the pipe 100 through the branch hole 200 and is bent outward along the inner circumferential surface of the pipe 100 . Accordingly, the coupling device 1 is prevented from being separated from the pipe 100 .
결합부(10)와 결속부(20)의 중간 부위에는 지지부(30)가 구비된다. 지지부(30)는 결합장치(1)가 분기공(200)을 통해 파이프(100) 내측으로 인입되는 것을 방지함과 더불어, 결합장치(1)가 파이프(100)의 외주면에 안정적으로 안착될 수 있도록 지지한다. 지지부(30)의 저면, 즉 파이프(100)의 외주면과 접촉되는 접촉면은 바람직하게 파이프의 곡률반경과 동등한 곡률반경을 갖도록 형성된다. 지지부(30)의 저면에는 원주방향으로 링홈(31)이 형성되고, 이 링홈(31)에 오링(40)이 설치된다. 오링(40)은 파이프(100)와 결합장치(1) 사이의 누출, 보다 구체적으로 파이프(100)를 통해 이송되는 유체가 파이프(100)의 분기공(200)과 지지부(30)의 저면을 통해 외부로 누출되는 것을 방지하기 위한 것이다. 링홈(31)과 오링(40)의 개수는 특정되지 않는다.A support portion 30 is provided at an intermediate portion between the coupling portion 10 and the coupling portion 20 . The support part 30 prevents the coupling device 1 from entering the inside of the pipe 100 through the branch hole 200 and allows the coupling device 1 to be stably seated on the outer circumferential surface of the pipe 100. support The lower surface of the support part 30, that is, the contact surface in contact with the outer circumferential surface of the pipe 100 is preferably formed to have a radius of curvature equal to that of the pipe. A ring groove 31 is formed in the circumferential direction on the bottom surface of the support part 30, and an O-ring 40 is installed in the ring groove 31. The O-ring 40 is a leakage between the pipe 100 and the coupling device 1, more specifically, the fluid transported through the pipe 100 passes through the branch hole 200 of the pipe 100 and the bottom surface of the support 30. This is to prevent leakage to the outside. The number of ring grooves 31 and O-rings 40 is not specified.
도 2에서 미설명 부호 X1은 결속부(20)의 내경, X2는 결합부(10)의 내경, X3은 분기공(200)의 내경을 나타낸다. 도면에서 결속부(20)의 내경(X1)은 결합부(10)의 내경(X2)에 비해 작게 도시되어 있으나, 이들은 동등한 크기로 설정될 수 있다.In FIG. 2 , reference numeral X1 denotes the inner diameter of the coupling portion 20 , X2 denotes the inner diameter of the coupling portion 10 , and X3 denotes the inner diameter of the branch hole 200 . In the drawing, the inner diameter X1 of the coupling part 20 is shown smaller than the inner diameter X2 of the coupling part 10, but they may be set to the same size.
상기한 구조로 된 분기 파이프 결합장치(1)는 반영구적으로 원 파이프(100)에 결속되고, 결합장치(1)의 결속을 위해 별도의 다른 결속품이 요구되지 않는다. 따라서 분기 파이프의 연결구조가 간단화 되고, 분기 파이프의 설치를 위한 비용이 최소화 된다.The branch pipe coupling device 1 having the above structure is semi-permanently bound to the original pipe 100, and no other binding product is required for coupling of the coupling device 1. Therefore, the connection structure of the branch pipe is simplified, and the cost for installing the branch pipe is minimized.
도 4는 상기한 분기 파이프 결합장치(1)를 파이프(100)에 설치하기 위한 결합구(50)를 나타낸 사시도이고, 도 5는 도 4에서 선 B-B'에 따른 단면도이다. 또한 도 6은 도 4의 결합구(50)를 파이프(100)에 설치하는 동작을 설명하기 위한 단면도이다. 또한, 도 4 내지 도 6에서 상술한 도 1 내지 도 3과 실질적으로 동일한 부분에는 동일한 참조번호를 붙이고 그 상세한 설명은 생략한다.4 is a perspective view showing a coupler 50 for installing the branch pipe coupling device 1 to the pipe 100, and FIG. 5 is a cross-sectional view taken along the line B-B' in FIG. 6 is a cross-sectional view for explaining an operation of installing the coupler 50 of FIG. 4 to the pipe 100. In addition, the same reference numerals are assigned to substantially the same parts as those of FIGS. 1 to 3 described above in FIGS. 4 to 6, and detailed descriptions thereof are omitted.
도면에서 결합구(50)는 결합장치(1)와 마찬가지로 철 등의 금속재질로 구성되고, 몸체를 전체적으로 관통하면서 중공부(H)가 마련된다. 그리고, 결합구(50)는 일체적으로 구성되는 결합부(10)와 체결부(51) 및 지지부(30)를 구비하여 구성된다. 여기서 결합부(10)와 지지부(30)는 결합장치(1)의 그것과 실질적으로 동일하다.In the drawing, the coupler 50 is made of a metal material such as iron, like the coupling device 1, and has a hollow part H while penetrating the body as a whole. And, the coupler 50 is composed of a coupling part 10, a fastening part 51, and a support part 30 integrally configured. Here, the coupling portion 10 and the support portion 30 are substantially the same as those of the coupling device 1 .
한편, 결합구(50)에서 체결부(51)는 파이프 형상의 몸체(511)와, 이 몸체(511)의 단부에 형성되는 절곡부(512)를 구비한다. 몸체(511)의 길이는 파이프(100)의 두께와 상응하는 크기로 설정된다. 또한, 몸체(511)는 지지부(30) 측에서 단부, 즉 절곡부(512) 측으로 가면서 그 내경 및 외경이 단조적으로 감소하여 전체적으로 내부가 중공된 원뿔대 형상으로 이루어진다. 절곡부(512)는 몸체(511)의 단부에서 외측방향으로 절곡 형성된다. 절곡부(512)의 외경은 체결부(51)가 파이프(100)의 분기공(200)을 통해 인입이 가능하도록 분기공(200)의 내경(X3)과 동등하거나 그 이하로 설정된다.Meanwhile, in the coupler 50, the fastening part 51 includes a pipe-shaped body 511 and a bent part 512 formed at an end of the body 511. The length of the body 511 is set to a size corresponding to the thickness of the pipe 100. In addition, the inner and outer diameters of the body 511 monotonically decrease from the support part 30 side toward the end, that is, the bent part 512 side, so that the body 511 has a hollow truncated cone shape as a whole. The bent portion 512 is bent outward from the end of the body 511 . The outer diameter of the bent portion 512 is equal to or smaller than the inner diameter X3 of the branch hole 200 so that the fastening part 51 can be inserted through the branch hole 200 of the pipe 100 .
결합구(50)를 이용하여 결합장치(1)를 형성하는 경우에는, 도 6에 나타낸 바와 같이 지지부(30)의 링홈(31)에 오링(40)을 배치하고, 분기공(200)을 통해서 파이프(100)의 내측으로 결합구(50)의 체결부(51)를 인입하게 된다. 그리고 지지부(30)의 저면을 파이프(100)의 외주면에 밀착시킨 상태에서 별도의 확관수단을 C방향 또는 D방향으로 진입시켜 체결부(51)의 몸체(511)를 확관시키게 된다. 몸체(511)의 확관은 바람직하게 몸체(511)의 외주면이 분기공(200)의 내주면에 접촉될 때까지 실행된다. 몸체(511)가 확관되면 몸체(511)의 단부측 내경이 증가되고, 그와 연동하여 절곡부(512)는 파이프(100)의 내주면을 따라 이동하게 된다. 이에 따라 결합구(50)는 분기공(200)의 내측면과 그 주변의 파이프(100) 내외주면을 전체적으로 감싸면서 파이프(100)와 고정적으로 결속된다. 이때 파이프(100)에 대한 결합구(50)의 결속력을 고려하여, 체결부(51)의 몸체(511)에 대한 절곡부(512)의 굽힘각도(α)가 적절하게 설정된다. 바람직하게 상기 굽힘각도(α)는 90도, 보다 바람직하게는 90도 이하로 설정된다. 굽힘 각도(α)가 90도 이하로 설정되면, 결합구(50)는 몸체(511)가 확관될 때 절곡부(512)가 파이프(100)의 내주면을 가압하면서 파이프(100)와 결속하게 되므로 파이프(100)에 대한 결합구(50)의 결속력이 제고된다.In the case of forming the coupling device 1 using the coupler 50, as shown in FIG. 6, the O-ring 40 is disposed in the ring groove 31 of the support 30, and the pipe passes through the branch hole 200. The fastening part 51 of the coupler 50 is drawn into the inside of the (100). And, in a state where the bottom surface of the support part 30 is in close contact with the outer circumferential surface of the pipe 100, a separate pipe expansion means is entered in the C direction or the D direction to expand the body 511 of the fastening part 51. Expansion of the body 511 is preferably performed until the outer circumferential surface of the body 511 comes into contact with the inner circumferential surface of the branch hole 200 . When the body 511 is expanded, the inner diameter at the end side of the body 511 is increased, and the bent portion 512 moves along the inner circumferential surface of the pipe 100 in conjunction therewith. Accordingly, the coupler 50 is fixedly bound to the pipe 100 while entirely covering the inner surface of the branch hole 200 and the inner and outer circumferential surfaces of the pipe 100 around the branch hole 200 . At this time, considering the binding force of the coupler 50 to the pipe 100, the bending angle α of the bent portion 512 with respect to the body 511 of the fastening portion 51 is appropriately set. Preferably, the bending angle (α) is set to 90 degrees, more preferably 90 degrees or less. When the bending angle α is set to 90 degrees or less, the coupler 50 is bound to the pipe 100 while the bent portion 512 presses the inner circumferential surface of the pipe 100 when the body 511 is expanded. The binding force of the coupler 50 to the pipe 100 is improved.
도 6에서 체결부(51)의 몸체(511)로 확관수단을 삽입할 때, 확관수단을 파이프(100)의 외측방향, 즉 D방향으로 삽입하기 위해서는 특별한 구성의 것이 요구된다. 도 7은 결합구(50)를 파이프(100)의 분기공(200)에 체결하기 위한 본 발명의 일 실시 예에 따른 체결장치(60)의 구성을 나타낸 분리 사시도이고, 도 8은 도 7에 대응하는 체결장치(60)의 단면도이다. 도면에서 체결장치(60)는 볼트(61)와 확관부재(62), 지지대(63) 및 너트(64)를 구비한다. 이들은 바람직하게 금속재질로 구성된다.When inserting the pipe expansion means into the body 511 of the fastening part 51 in FIG. 6, a special structure is required to insert the pipe expansion means in the outward direction of the pipe 100, that is, in the D direction. 7 is an exploded perspective view showing the configuration of a fastening device 60 according to an embodiment of the present invention for fastening the coupler 50 to the branch hole 200 of the pipe 100, and FIG. 8 corresponds to FIG. It is a cross-sectional view of the fastening device 60 to be. In the drawing, the fastening device 60 includes a bolt 61, a pipe expansion member 62, a support 63, and a nut 64. They are preferably made of a metal material.
볼트(60)는 통상의 것과 마찬가지로 머리부(61a)와 볼트축(61b)을 구비한다. 볼트축(61b)의 외주면에는 나사부가 형성된다, 너트(64)는 볼트(60)의 볼트축(61b)과 착탈가능하게 체결된다. 너트(64)는 통상의 것과 마찬가지로 중심부분에 체결공(64)이 구비되고, 그 내주면에 체결나사가 형성된다. 볼트(60)와 너트(64)는 특별한 구성의 것이 요구되지 않는다. 볼트(60)와 너트(64)는 그 체결작업을 통해 이후에 설명할 확관부재(62)를 일측 방향으로 가압할 수 있는 임의의 구성을 채용할 수 있다.The bolt 60 is provided with a head portion 61a and a bolt shaft 61b as in the usual case. A threaded portion is formed on the outer circumferential surface of the bolt shaft 61b, and the nut 64 is detachably fastened to the bolt shaft 61b of the bolt 60. The nut 64 is provided with a fastening hole 64 in the central portion as in the case of a normal one, and a fastening screw is formed on its inner circumferential surface. Bolts 60 and nuts 64 are not required to have a special configuration. The bolt 60 and the nut 64 may adopt any configuration capable of pressurizing the pipe expansion member 62 to be described later in one direction through the fastening operation thereof.
확관부재(62)는 몸체(621)가 쐐기 형상, 즉 볼트(60)의 머리부(61a) 측으로부터 지지대(63) 측으로 가면서 외경이 단조적으로 감소하는 원뿔대 형상으로 구성된다, 다른 바람직한 구현 예에서 확관부재(62)와 볼트(61)는 일체적으로 구성될 수 있다. 확관부재(62)는 직경이 가장 큰 부분, 즉 볼트(60)의 머리부(61a)와 접촉되는 부분의 외경이 도 2에서 결속부(20)의 내경(X1)과 동등하거나 그 이하의 값으로 설정된다. 확관부재(62)의 중심 부분에는 길이 방향을 따라 관통공(622)이 형성된다. 관통공(622)의 내경은 볼트축(61b)의 외경에 비해 크면서 머리부(61a)의 외경에 비해서는 작게 형성된다. 바람직하게 관통공(622)은 그 내측에서 볼트축(61b)이 길이방향과 다른 방향으로 유동되지 않도록 볼트축(61b)의 외경에 최대한 근접하는 크기로 형성된다. 확관부재(62)는 볼트(61)가 너트(64a)와 체결되어감에 따라 머리부(61a)에 의해 지지대(63) 측으로 가압된다.The expansion member 62 is composed of a wedge shape, that is, a truncated cone shape in which the outer diameter monotonically decreases as the body 621 goes from the head 61a side of the bolt 60 to the support 63 side. In the expansion member 62 and the bolt 61 may be integrally configured. In the pipe expansion member 62, the outer diameter of the part having the largest diameter, that is, the part in contact with the head part 61a of the bolt 60, is equal to or less than the inner diameter X1 of the coupling part 20 in FIG. 2 is set to A through hole 622 is formed in the central portion of the tube expansion member 62 along the longitudinal direction. The inner diameter of the through hole 622 is larger than the outer diameter of the bolt shaft 61b and smaller than the outer diameter of the head portion 61a. Preferably, the through hole 622 is formed in a size as close as possible to the outer diameter of the bolt shaft 61b so that the bolt shaft 61b does not flow in a direction different from the longitudinal direction. The expansion member 62 is pressed toward the support 63 by the head 61a as the bolt 61 is fastened with the nut 64a.
지지대(63)는 파이프(100)에 대한 결합구(50)의 체결동작을 안정적으로 지지하기 위한 것이다. 지지대(63)는 몸체(631)와 지지판(632)을 구비한다. 도 9에서 이해할 수 있는 바와 같이 몸체(631)는 결합구(50)의 결합부(10)내에 안착된다, 몸체(631)는 볼트축(61b)의 유동을 방지하기 위해 그 외경이 결합부(10)의 내경(X2)에 상응하는 크기로 설정된다. 본 발명의 다른 구현 예에서 지지대(63)보다 확실한 안정성을 고려하여 몸체(631)는 결합부(10)에 착탈가능하게 체결되도록 구성될 수 있다. 지지판(632)은 몸체(631)와 일체적으로 형성되고, 그 외경은 결합부(10)의 내경(X2)에 비해 크게 설정된다. 지지판(632)은 지지대(63)를 결합부(10)의 단부에 안정적으로 지지한다. 물론, 지지판(632)은 필수적인 것이 아니고, 필요에 따라 제거될 수 있다. 다만, 바람직하게 지지판(632)은 그 외경이 결합부(10)의 외경에 비해 크게 설정될 수 있다. 지지판(632)의 크기를 크게 하면 작업자가 이 지지판(632)을 손으로 잡고 결합구(50)에 대한 체결장치(60)의 착탈을 용이하게 실행할 수 있게 된다. 또한, 지지대(63)의 중심 부분에는 길이방향을 따라 관통공(633)이 형성된다. 관통공(633)의 내경은 볼트(61)의 볼트축(61b)이 안정적으로 지지될 수 있도록, 볼트축(61b)의 길이 방향의 유동을 보장할 수 있는 범위 내에서 최대한 볼트축(61b)의 외경에 근접한 크기로 설정된다.The support 63 is for stably supporting the fastening operation of the coupler 50 to the pipe 100. The support 63 includes a body 631 and a support plate 632 . As can be understood from FIG. 9, the body 631 is seated in the coupling portion 10 of the coupler 50. The body 631 has an outer diameter of the coupling portion to prevent the movement of the bolt shaft 61b ( 10) is set to a size corresponding to the inner diameter (X2). In another embodiment of the present invention, the body 631 may be detachably fastened to the coupling part 10 in consideration of more reliable stability than the support 63 . The support plate 632 is integrally formed with the body 631, and its outer diameter is set larger than the inner diameter X2 of the coupling part 10. The support plate 632 stably supports the support 63 at the end of the coupling part 10 . Of course, the support plate 632 is not essential and can be removed as needed. However, preferably, the outer diameter of the support plate 632 may be set larger than that of the coupling part 10 . If the size of the support plate 632 is increased, the operator can easily attach and detach the fastening device 60 to the coupler 50 while holding the support plate 632 by hand. In addition, a through hole 633 is formed in the central portion of the support 63 along the longitudinal direction. The inner diameter of the through hole 633 is the bolt shaft 61b as much as possible within the range that can ensure the flow of the bolt shaft 61b in the longitudinal direction so that the bolt shaft 61b of the bolt 61 can be stably supported. It is set to a size close to the outer diameter of
도 9는 상기한 체결장치(60)를 이용하여 파이프(100)의 분기공(200)에 결합구(50)를 체결하는 동작을 설명하기 위한 단면도이다. 결합구(50)를 체결하는 경우에는 우선 체결장치(60)의 확관부재(62)와 지지대(63) 사이에 결합구(50)를 배치한 후 볼트(61)와 너트(64)를 이용하여 이들을 가결합한다. 이때 결합구(50)는 체결부(51)가 확관부재(62) 측을 향하도록 배치한다. 상기한 가결합 후에는 그 가결합체를 파이프(100)의 분기공(200) 내측으로 삽입한다. 가결합체를 삽입할 때에는 지지부(30)의 링홈(31)에 오링(40)을 배치한다. 가결합체의 배치가 종료되면, 예컨대 전동 렌치를 이용하여 볼트(61)에 대한 너트(64)의 체결작업을 실행한다.9 is a cross-sectional view illustrating an operation of fastening the coupler 50 to the branch hole 200 of the pipe 100 using the fastening device 60 described above. In the case of fastening the coupler 50, first place the coupler 50 between the expansion member 62 of the fastening device 60 and the support 63, and then use the bolt 61 and the nut 64 to combine them At this time, the coupler 50 is disposed so that the fastening part 51 faces the expansion member 62 side. After the temporary coupling, the temporary coupling body is inserted into the branch hole 200 of the pipe 100. When inserting the temporary assembly, the O-ring 40 is disposed in the ring groove 31 of the support part 30. When the arrangement of the temporary assembly is finished, the nut 64 is fastened to the bolt 61 using, for example, an electric wrench.
도면에서 볼트축(61b)에 너트(64)가 체결되면, 너트(64)가 체결되어감에 따라 볼트(61)는 하방향으로 이동하게 된다. 볼트(61)가 하강하면 볼트(61)의 머리부(61a)에 의해 확관부재(62)가 하방향으로 가압되면서 하강하게 된다. 상술한 바와 같이 확관부재(62)의 몸체(621)는 상측으로 가면서 그 외경이 증가되므로, 확관부재(62)가 하강함에 따라 체결부(51)의 단부가 몸체(621)의 경사면을 따라 상승하면서 그 체결부(51)의 몸체(511)가 점진적으로 확관된다. 체결부(51)의 몸체(511)가 확관되어 그 내경이 일정 크기, 즉 X1에 상응하는 크기로 증가되면, 확관부재(62)는 체결부(51)의 내부 공간을 통해 하방향으로 이탈되고, 이에 따라 작업자는 체결장치(60)를 결합구(50)로부터 분리할 수 있게 된다.In the drawing, when the nut 64 is fastened to the bolt shaft 61b, the bolt 61 moves downward as the nut 64 is fastened. When the bolt 61 descends, the pipe expansion member 62 is pushed downward by the head 61a of the bolt 61 and descends. As described above, since the outer diameter of the body 621 of the pipe expansion member 62 increases as it goes upward, the end of the fastening portion 51 rises along the inclined surface of the body 621 as the pipe expansion member 62 descends While doing so, the body 511 of the fastening part 51 is gradually expanded. When the body 511 of the fastening part 51 is expanded and its inner diameter is increased to a certain size, that is, a size corresponding to X1, the tube expansion member 62 is released downward through the inner space of the fastening part 51 and , Accordingly, the operator can separate the fastening device 60 from the coupler 50.
상기한 동작에 있어서, 볼트(61)에 너트(64)가 체결되면, 확관부재(62)와 지지판(632) 사이의 가압력에 의해 지지부(30)가 파이프(100)의 외주면 측으로 가압된다. 또한, 이와 더불어 몸체(511)가 확관되면서 절곡부(512)가 파이프(100)의 내주면을 가압하면서 내주면에 거치된다. 이에 따라 결합구(50)는 분기공(200)을 통해 파이프(100)에 견고하게 결속된다. 또한, 파이프(100)의 외주면에 대해 지지부(30)가 가압되는 과정에서 오링(40)이 충분하게 가압되어 파이프(100)의 외주면과 지지부(30)의 사이 공간이 오링(40)에 의해 밀봉된다. 따라서 파이프(100)와 결합구(50)의 결합면을 통해 유체의 누출되는 것이 방지된다. In the above operation, when the nut 64 is fastened to the bolt 61, the support portion 30 is pressed toward the outer circumferential side of the pipe 100 by the pressing force between the pipe expansion member 62 and the support plate 632. In addition, as the body 511 is expanded, the bent portion 512 presses the inner circumferential surface of the pipe 100 and is mounted on the inner circumferential surface. Accordingly, the coupler 50 is firmly bound to the pipe 100 through the branch hole 200 . In addition, while the support part 30 is pressed against the outer circumferential surface of the pipe 100, the O-ring 40 is sufficiently pressed and the space between the outer circumferential surface of the pipe 100 and the support part 30 is sealed by the O-ring 40. do. Therefore, leakage of the fluid through the coupling surface between the pipe 100 and the coupler 50 is prevented.
도 10은 본 발명의 다른 실시 예에 따른 체결장치(90)의 구성을 나타낸 분리 사시도이다. 도 10에서 상술한 실시 예와 실질적으로 동일한 부분에는 동일한 참조번호를 붙이고 그 상세한 설명은 생략한다. 도면에서 체결장치(90)는 체결봉(70)과, 확관부재(80), 지지대(63) 및 너트(64)를 구비한다. 여기서 지지대(63)와 너트(64)는 도 7의 실시 예와 실질적으로 동일하다.10 is an exploded perspective view showing the configuration of a fastening device 90 according to another embodiment of the present invention. In FIG. 10 , the same reference numerals are given to substantially the same parts as those of the above-described embodiment, and detailed descriptions thereof are omitted. In the drawing, the fastening device 90 includes a fastening rod 70, a pipe expansion member 80, a support 63 and a nut 64. Here, the support 63 and the nut 64 are substantially the same as those of the embodiment of FIG. 7 .
체결봉(70)은 바람직하게 금속재질로 구성된다. 체결봉(70)은 머리부(71)와 체결축(72)을 구비한다. 머리부(71)는 단부로부터 체결축(72) 측으로 가면서 그 외경이 단조적으로 감소하는 경사부(711)를 구비한다. 머리부(71)에서 그 지름이 가장 큰 부분의 외경은 결합장치(1)에서 결속부(20)의 내경(X1)과 동등하거나 그 이하의 값으로 설정된다. 체결축(72)의 외주면에는 너트(64)와의 체결을 위한 나사부(721)가 구비된다.Fastening rod 70 is preferably made of a metal material. The fastening rod 70 has a head 71 and a fastening shaft 72 . The head portion 71 includes an inclined portion 711 whose outer diameter monotonically decreases from the end toward the fastening shaft 72 side. The outer diameter of the part having the largest diameter in the head part 71 is set to a value equal to or less than the inner diameter X1 of the coupling part 20 in the coupling device 1. A threaded portion 721 for fastening with the nut 64 is provided on the outer circumferential surface of the fastening shaft 72 .
도 11은 도 10에서 확관부재(80)의 단면도이고, 도 12는 확관부재(80)의 분리 사시도이다. 확관부재(80)는 도 7의 확관부재(62)와 마찬가지로 원뿔대 형상으로 이루어진다. 즉, 확관부재(80)는 일측으로부터 타측으로 가면서 그 외경이 단조적으로 감소하는 형상으로 이루어진다. 한편, 본 실시 예에서 확관부재(80)의 일측에는 결합구(50)의 절곡부(512: 도 13b 참조)를 파이프(100)의 내주면 방향으로 가압하기 위한 가압부(81)가 구비된다. 이때 가압부(81)의 외경은 머리부(71)와 마찬가지로 결속부(20)의 내경(X1)과 동등하거나 그 이하의 값으로 설정된다. 확관부재(80)의 내부에는 그 길이방향을 따라 관통공(82)이 형성된다. 이때 관통공(82)은 일측으로부터 타측으로 가면서 그 내경이 점차 감소하게 된다. 바람직하게 관통공(82)의 길이 방향에 따른 경사도는 체결봉(70)에서 경사부(711)의 그것과 동등하게 설정된다.11 is a cross-sectional view of the pipe expansion member 80 in FIG. 10, and FIG. 12 is an exploded perspective view of the pipe expansion member 80. The tube expansion member 80 is made of a truncated cone shape similarly to the tube expansion member 62 of FIG. 7 . That is, the expansion member 80 is made of a shape whose outer diameter monotonically decreases while going from one side to the other side. On the other hand, in the present embodiment, one side of the pipe expansion member 80 is provided with a pressing portion 81 for pressing the bent portion 512 of the coupler 50 (see FIG. 13B) toward the inner circumferential direction of the pipe 100. At this time, the outer diameter of the pressing part 81 is equal to or less than the inner diameter X1 of the binding part 20, similar to the head part 71. Inside the tube expansion member 80, a through hole 82 is formed along its longitudinal direction. At this time, the inner diameter of the through hole 82 gradually decreases while going from one side to the other side. Preferably, the inclination of the through hole 82 along the longitudinal direction is set equal to that of the inclined portion 711 in the fastening rod 70.
확관부재(80)는 다수의 확관편(80a~80c)을 구비한다. 본 예에서 확관편(80a~80c)은 3개로 구성되어 있으나, 그 개수는 특정되지 않는다. 각각의 확관편(80a~80c)은 단조적으로 그 폭이 감소하는 원호 형상의 몸체(801)와, 몸체(801)의 일측 외주면에 구비되는 단차부(802)를 구비한다. 단차부(802)는 가압부(81)를 구성하는 것이다. 확관부재(80)의 몸체 외주면에는 원주방향으로 링홈(83)이 형성된다. 이 링홈(83)에는 확관편(80a~80c)의 결합상태를 탄성적으로 지지하는 탄성링(85)이 결합된다. 탄성링(85)은 예컨대 스프링강으로 구성된다. 탄성링(85)의 재질은 특정되지 않는다. 탄성링(85)의 재질로서는 탄성을 가지면서 일정 이상의 강도로 확관부재(80)의 외주면을 가압할 수 있는 임의의 것을 채용할 수 있다. 확관부재(80)는 체결봉(70)의 경사부(711)를 따라 승강되면서 결합구(50)에서의 체결부(51)의 몸체(511)를 확관시키고, 가압부(81)는 체결부(51)의 절곡부(512)를 파이프(100)의 내주면 방향으로 가압하게 된다.The tube expansion member 80 includes a plurality of tube expansion pieces 80a to 80c. In this example, the expansion pieces 80a to 80c are composed of three, but the number is not specified. Each of the pipe expansion pieces 80a to 80c includes an arc-shaped body 801 whose width monotonically decreases, and a stepped portion 802 provided on an outer circumferential surface of one side of the body 801. The stepped portion 802 constitutes the pressing portion 81 . A ring groove 83 is formed in the circumferential direction on the outer circumferential surface of the body of the expansion member 80. An elastic ring 85 is coupled to the ring groove 83 to elastically support the coupling state of the expansion pieces 80a to 80c. The elastic ring 85 is made of spring steel, for example. The material of the elastic ring 85 is not specified. As the material of the elastic ring 85, any material capable of pressing the outer circumferential surface of the tube expansion member 80 with a certain intensity or more while having elasticity may be employed. The pipe expansion member 80 expands the body 511 of the fastening part 51 in the coupler 50 while being moved up and down along the inclined part 711 of the fastening rod 70, and the pressing part 81 is the fastening part The bent portion 512 of (51) is pressed toward the inner circumference of the pipe 100.
도 13은 상술한 체결장치(90)를 이용하여 결합구(50)를 파이프(100)의 분기공(200)에 체결하는 동작을 설명하기 위한 단면도이다. 체결장치(90)를 이용한 체결동작은 도 9에서 설명한 체결장치(60)를 이용하는 체결동작과 실질적으로 동일한 방식으로 이루어진다. 결합구(50)를 체결하는 경우, 작업자는 체결장치(90)에 결합구(50)를 가결합한다. 이때 결합구(50)는 체결장치(60)와 마찬가지로 확관부재(80)와 지지대(63) 사이에 배치한다. 가결합 후, 작업자는 체결봉(70)의 머리부(71)를 선두로 하여 가결합체를 파이프(100)의 분기공(200) 내측으로 삽입한다. 물론, 이때 지지부(30)의 링홈(31)에는 오링(40)을 배치한다. 가결합체의 배치가 종료되면, 작업자는 예컨대 전동 렌치를 이용하여 체결봉(70)에 대한 너트(64)의 체결작업을 실행한다.13 is a cross-sectional view for explaining an operation of fastening the coupler 50 to the branch hole 200 of the pipe 100 using the aforementioned fastening device 90. The fastening operation using the fastening device 90 is performed in substantially the same manner as the fastening operation using the fastening device 60 described in FIG. 9 . When fastening the coupler 50, the operator temporarily couples the coupler 50 to the fastening device 90. At this time, the coupler 50 is disposed between the pipe expansion member 80 and the support 63, similarly to the fastening device 60. After the temporary coupling, the operator inserts the temporary coupling body into the branch hole 200 of the pipe 100 with the head portion 71 of the fastening rod 70 as a starting point. Of course, at this time, the O-ring 40 is disposed in the ring groove 31 of the support part 30 . When the arrangement of the temporary assembly is finished, the operator performs a fastening operation of the nut 64 to the fastening rod 70 using, for example, an electric wrench.
체결봉(70)에 너트(64)가 체결되면, 너트(64)가 체결되어감에 따라 체결봉(70)은 하방향으로 이동하게 된다. 체결봉(70)이 하강하면 그 머리부(71)에 의해 확관부재(80)가 하방향으로 하강하게 된다. 확관부재(80)가 하강하게 되면 확관부재(80)에 의해 체결부(51)의 몸체(511)는 확관되고, 또한 그 확관력에 상응하는 응력이 탄성링(85)에 가해져서 탄성링(85)이 신장된다. 이에 따라 확관부재(80)의 하강과 더불어 머리부(71)가 확관부재(80)의 내주면을 따라 슬라이드 하강하게 됨으로써 확관부재(80)의 외경은 점진적으로 증가하게 된다. 확관부재(80)의 하강과 그 외경의 증가는 체결부(51)의 몸체(511)가 분기공(200)에 내접할 때까지 지속된다. 또한, 확관부재(80)가 하강하게 되면, 확관부재(80)의 가압부(81)가 절곡부(512)의 상면을 가압함으로써 절곡부(512)는 파이프(100)의 내주면에 견고하게 고정된다.When the nut 64 is fastened to the fastening rod 70, the fastening rod 70 moves downward as the nut 64 is fastened. When the fastening rod 70 is lowered, the pipe expansion member 80 is lowered downward by the head 71 . When the tube expansion member 80 descends, the body 511 of the fastening part 51 is expanded by the tube expansion member 80, and a stress corresponding to the expansion force is applied to the elastic ring 85 to form an elastic ring ( 85) is extended. Accordingly, as the head portion 71 slides down along the inner circumferential surface of the tube expansion member 80 along with the descent of the tube expansion member 80, the outer diameter of the tube expansion member 80 is gradually increased. The descending of the pipe expansion member 80 and the increase in its outer diameter are continued until the body 511 of the fastening part 51 comes into internal contact with the branch hole 200 . In addition, when the pipe expansion member 80 descends, the pressure portion 81 of the pipe expansion member 80 presses the upper surface of the bent portion 512 so that the bent portion 512 is firmly fixed to the inner circumferential surface of the pipe 100. do.
파이프(100)에 대한 결합구(50)의 체결작업이 종료되면, 작업자는 체결봉(70)으로부터 너트(64)를 해제하게 된다. 너트(64)가 해제되면 탄성링(85)에 의한 확관부재(80)의 가압력에 의해 체결봉(70)은 상방향으로 상승하게 된다. 그리고 확관부재(80)로부터 체결봉(70)이 충분히 이탈되면 확관부재(80)의 외경이 본래의 크기로 복귀하게 된다. 따라서 이 상태에서 작업자는 결합구(50)의 중공부(H)를 통해 체결장치(90)를 외측으로 인출할 수 있게 된다. When the fastening operation of the coupler 50 to the pipe 100 is finished, the operator releases the nut 64 from the fastening rod 70. When the nut 64 is released, the fastening rod 70 is raised upward by the pressure of the expansion member 80 by the elastic ring 85. And when the fastening rod 70 is sufficiently separated from the tube expansion member 80, the outer diameter of the tube expansion member 80 returns to its original size. Therefore, in this state, the operator can withdraw the fastening device 90 to the outside through the hollow part H of the coupler 50.
상기한 체결장치(90)는 결합구(50)를 분기공(200)에 체결할 때 가압부(81)가 절곡부(512)의 상면을 가압함으로써 체결부(51)가 파이프(100)의 분기공(200)에 더욱 견고하게 결속될 수 있도록 하게 된다.In the fastening device 90 described above, when the coupler 50 is fastened to the branch hole 200, the pressing part 81 presses the upper surface of the bent part 512 so that the fastening part 51 is connected to the branch hole of the pipe 100. (200) so that it can be more firmly bound.
도 14는 도 10에 나타낸 체결장치(90)의 변형 예를 설명하기 위한 도면으로서, 이는 체결장치(90)를 이용하여 결합구(50)를 체결한 상태를 나타낸 단면도이다. 본 예에 있어서는 체결봉(70)의 머리부(711)의 외주면에 확관부재(81)의 상승을 차단하기 위한 스토퍼(70a)가 구비된다. 이때 스토퍼(70a)의 외경은 결속부(20)의 내경에 비해 그 크기가 동등하거나 작게 설정된다. 본 구성 예는 스토퍼(70a)를 통해 확관부재(81)의 상승을 제한함으로써 절곡부(512)에 대한 가압력을 제고할 수 있도록 한 것이다. 그리고 그 밖의 부분은 도 10의 실시 예와 동일하므로 상술한 실시 예와 동일한 부분에는 동일한 참조번호를 붙이고 그 구체적인 설명은 생략한다. 14 is a view for explaining a modified example of the fastening device 90 shown in FIG. 10, which is a cross-sectional view showing a state in which the coupler 50 is fastened using the fastening device 90. In this example, a stopper 70a is provided on the outer circumferential surface of the head 711 of the fastening rod 70 to block the rise of the tube expansion member 81. At this time, the outer diameter of the stopper 70a is set equal to or smaller in size than the inner diameter of the coupling part 20 . This configuration example is to increase the pressing force on the bent portion 512 by limiting the rise of the tube expansion member 81 through the stopper (70a). Since other parts are the same as those of the embodiment of FIG. 10 , the same reference numerals are assigned to the same parts as those of the above-described embodiment, and detailed descriptions thereof are omitted.
이상으로 본 발명에 따른 실시 예를 설명하였다. 그러나 본 발명은 상술한 실시 예에 한정되지 않고 본 발명의 기술적 사상을 벗어나지 않는 범위 내에서 다양하게 변형시켜 실시할 수 있다.In the above, embodiments according to the present invention have been described. However, the present invention is not limited to the above-described embodiments and can be variously modified and implemented without departing from the technical spirit of the present invention.
예를 들어, 상술한 실시 예에 있어서는 결합장치(1)와 파이프(100) 사이의 유체의 누출을 방지하기 위한 누출방지수단으로서 링홈(31)과 오링(40)을 채용하였다. 그러나 이러한 누출방지수단은 특정한 구성의 것에 한정되지 않고, 그 누출을 방지할 수 있는 임의의 구조를 바람직하게 채용할 수 있다.For example, in the above-described embodiment, the ring groove 31 and the O-ring 40 are used as leakage preventing means for preventing leakage of fluid between the coupling device 1 and the pipe 100. However, this leakage preventing means is not limited to a specific structure, and any structure capable of preventing leakage can be preferably employed.
도 15는 도 1 내지 도 3에 나타낸 결합장치(1)의 다른 구성 예를 나타낸 단면도이다. 도면에서 지지부(30)의 하부에는 삽입부재(140)가 설치된다. 삽입부재(140)는 바람직하게 금속재질의 판 형상으로 구성된다. 삽입부재(140)의 형상은 특정되지 않는다. 삽입부재(140)는 중앙 부분이 타공되면서 관통공이 구비된다. 삽입부재(140)는 바람직하게 와셔 형상으로 구성된다, 상기 관통공의 내측에는 결속부(20)가 배치된다. 그리고 관통공의 내측으로 결속부(20)와 삽입부재(140)의 사이에는 기밀 부재로서 예컨대 오링(40)이 배치된다.15 is a cross-sectional view showing another configuration example of the coupling device 1 shown in FIGS. 1 to 3 . In the drawing, an insertion member 140 is installed below the support part 30 . Insertion member 140 is preferably composed of a plate shape of a metal material. The shape of the insertion member 140 is not specified. Insertion member 140 is provided with a through hole while the central portion is perforated. The insertion member 140 is preferably configured in a washer shape, and a coupling part 20 is disposed inside the through hole. And between the coupling part 20 and the insertion member 140 to the inside of the through hole, for example, an O-ring 40 is disposed as an airtight member.
상기한 결합장치(1)는 삽입부재(140)의 관통공 내측에 오링(40)이 배치되므로, 결합장치(1)로부터 오링(40)이 이탈되는 것이 방지된다. 또한 상기 오링(40)은 결합구(50)를 이용한 결합장치(1)의 형성과정에서 지지부(30)에 의해 충분한 압력으로 가압되면서 결합되므로 결합장치(1)와 파이프(100) 사이의 누출이 방지된다. 또한, 상기 결합장치(1)는 삽입부재(140)가 지지부(30)에 의해 가압되면서 설치되므로 결합장치(1)는 파이프(100)의 외주면에 밀착되면서 고정된다. 따라서 지지부(30)와 파이프(100)의 밀착을 위해 지지부(30)의 하면을 파이프(100)의 곡률반경으로 가공하는 불리함을 제거할 수 있게 된다.In the coupling device 1 described above, since the O-ring 40 is disposed inside the through hole of the insertion member 140, the separation of the O-ring 40 from the coupling device 1 is prevented. In addition, since the O-ring 40 is coupled while being pressed with sufficient pressure by the support 30 in the process of forming the coupling device 1 using the coupler 50, leakage between the coupling device 1 and the pipe 100 is prevented. prevented In addition, since the coupling device 1 is installed while the insertion member 140 is pressed by the support 30, the coupling device 1 is fixed while being in close contact with the outer circumferential surface of the pipe 100. Therefore, it is possible to eliminate the disadvantage of processing the lower surface of the support part 30 to the radius of curvature of the pipe 100 for close contact between the support part 30 and the pipe 100 .
Claims (17)
- 원 파이프의 분기공에 설치되어 분기 파이프를 결합하기 위한 분기 파이프 결합장치에 있어서,In the branch pipe coupling device installed in the branch hole of the original pipe to couple the branch pipe,분기 파이프를 착탈가능하게 결합하기 위한 결합부와,A coupling portion for detachably coupling the branch pipe;분기공에 반영구적으로 설치되는 결속부 및,A binding part semi-permanently installed in the branch hole,상기 결합부와 결속부 사이에 구비되고, 분기 파이프 결합장치가 분기공을 통해 원 파이프의 내측으로 인입되는 것을 방지하기 위한 지지부를 구비하여 구성되고,It is provided between the coupling part and the coupling part and is configured with a support part for preventing the branch pipe coupling device from being drawn into the inside of the original pipe through the branch hole,상기 결합부와 결속부 및 지지부는 금속재질로 구성됨과 더불어 일체적으로 형성되며,The coupling part, the binding part and the support part are made of a metal material and integrally formed,상기 결합부와 결속부 및 지지부를 전체적으로 관통하면서 중공부가 구비되고,A hollow part is provided while penetrating the coupling part, the binding part, and the support part as a whole,상기 결속부는 파이프 형상으로 이루어짐과 더불어 분기공을 통해서 원 파이프의 내측으로 진입하는 몸체와, 상기 몸체의 단부에 형성됨과 더불어 원 파이프의 내주면을 따라 외측방향으로 절곡되는 절곡부를 구비하여 구성되는 것을 특징으로 하는 분기 파이프 결합장치.The binding part is formed in a pipe shape and includes a body entering the inside of the circular pipe through a branch hole, and a bent part formed at an end of the body and bent outward along the inner circumferential surface of the circular pipe. Branch pipe coupling device to do.
- 제1항에 있어서,According to claim 1,상기 지지부와 원 파이프의 사이에는 누출방지수단이 구비되는 것을 특징으로 하는 분기 파이프 결합장치.A branch pipe coupling device, characterized in that a leak prevention means is provided between the support and the original pipe.
- 제2항에 있어서,According to claim 2,상기 누출방지수단은 지지부의 하면에 구비되는 링홈과, 상기 링홈에 설치되는 오링을 구비하는 것을 특징으로 하는 분기 파이프 결합장치.The leak prevention means comprises a ring groove provided on the lower surface of the support part and an O-ring installed in the ring groove.
- 제1항에 있어서,According to claim 1,상기 지지부와 원 파이프 사이에 삽입부재가 추가로 구비되는 것을 특징으로 하는 분기 파이프 결합장치.Branch pipe coupling device, characterized in that the insertion member is additionally provided between the support and the original pipe.
- 제1항에 있어서,According to claim 1,상기 지지부의 하면은 원 파이프와 동일한 곡률반경을 갖는 것을 특징으로 하는 분기 파이프 결합장치.Branch pipe coupling device, characterized in that the lower surface of the support has the same radius of curvature as the original pipe.
- 원 파이프의 분기공에 분기 파이프를 결합하기 위해 채용되는 결합구에 있어서,In the coupling tool employed to couple the branch pipe to the branch hole of the original pipe,분기 파이프를 착탈가능하게 결합하기 위한 결합부와,A coupling portion for detachably coupling the branch pipe;분기공에 체결되는 체결부 및,A fastening part fastened to the branch hole,상기 결합부와 체결부 사이에 구비되고, 분기 파이프 결합장치가 분기공을 통해 원 파이프의 내측으로 인입되는 것을 방지하기 위한 지지부를 구비하여 구성되고,It is provided between the coupling portion and the fastening portion, and is configured with a support portion for preventing the branch pipe coupling device from being drawn into the inside of the original pipe through the branch hole,상기 결합부와 체결부 및 지지부는 금속재질로 구성됨과 더불어 일체적으로 형성되며,The coupling part, the fastening part and the support part are made of a metal material and integrally formed,상기 결합부와 체결부 및 지지부를 전체적으로 관통하면서 중공부가 구비되고,A hollow portion is provided while passing through the coupling portion, the fastening portion, and the support portion as a whole,상기 체결부는 파이프 형상의 몸체와, 상기 몸체의 단부에 형성되는 절곡부를 구비하고, 상기 몸체는 상기 지지부 측으로부터 절곡부 측으로 가면서 그 내경 및 외경이 단조적으로 감소하는 것을 특징으로 하는 결합구.The fastening part has a pipe-shaped body and a bent part formed at an end of the body, and the inner diameter and outer diameter of the body monotonically decrease while going from a side of the support part to a side of the bent part.
- 제6항에 있어서,According to claim 6,상기 결합구는 몸체의 확관작업을 통해 분기공에 결속되는 것을 특징으로 하는 결합구.The coupler is coupled to the branch hole through the pipe expansion work of the body.
- 제6항에 있어서,According to claim 6,상기 지지부의 저면에 링홈이 추가로 구비되는 것을 특징으로 하는 결합구.A coupler, characterized in that a ring groove is additionally provided on the bottom surface of the support.
- 제6항에 있어서,According to claim 6,상기 몸체에 대한 절곡부의 굽힘 각도는 90도 이하로 설정되는 것을 특징으로 하는 결합구.The coupler, characterized in that the bending angle of the bent portion with respect to the body is set to 90 degrees or less.
- 제6항에 있어서,According to claim 6,상기 지지부의 하면은 원 파이프와 동일한 곡률반경을 갖는 것을 특징으로 하는 결합구.A coupler, characterized in that the lower surface of the support has the same radius of curvature as the circular pipe.
- 분기 파이프를 착탈가능하게 결합하기 위한 결합부와, 분기공에 체결되는 체결부 및, 상기 결합부와 체결부 사이에 구비되는 지지부를 구비하고, 상기 체결부는 파이프 형상의 제1 몸체와 상기 제1 몸체의 단부에 형성되는 절곡부를 구비하며, 상기 제1 몸체는 상기 지지부 측으로부터 절곡부 측으로 가면서 그 내경 및 외경이 단조적으로 감소하도록 구성된 결합구를 원 파이프의 분기공에 체결하는 체결장치에 있어서,A coupling portion for detachably coupling the branch pipe, a coupling portion fastened to the branch hole, and a support portion provided between the coupling portion and the coupling portion, wherein the coupling portion connects a pipe-shaped first body and the first body. A fastening device for fastening a coupler to a branch hole of a circular pipe having a bent portion formed at an end of the first body and configured such that the inner and outer diameters of the first body monotonically decrease while going from the support portion side to the bent portion side,머리부와 체결축을 구비하는 체결봉과,A fastening rod having a head and a fastening shaft;상기 체결봉에 체결되는 너트,A nut fastened to the fastening rod,원뿔대 형상의 제2 몸체를 구비하고, 체결봉에 대한 너트의 체결시에 제1 몸체의 단부로부터 제1 몸체의 내측으로 진입하면서 상기 제1 몸체를 확관하는 확관부재 및,A pipe expansion member having a truncated cone-shaped second body and expanding the first body while entering the inside of the first body from an end of the first body when the nut is fastened to the fastening rod;상기 결합부 내측에 안착되는 제3 몸체를 구비하고, 체결봉과 너트의 체결을 지지하는 지지대를 구비하여 구성되는 결합구 체결장치.A coupler fastening device comprising a third body seated inside the coupling part and a support for supporting fastening of the fastening rod and the nut.
- 제11항에 있어서,According to claim 11,상기 확관부재는 상기 체결봉에 일체적으로 결합되어 형성되는 것을 특징으로 하는 결합구 체결장치.The expansion member is a coupler fastening device, characterized in that formed integrally coupled to the fastening rod.
- 제11항에 있어서,According to claim 11,상기 머리부는 경사부를 구비하고,The head portion has an inclined portion,상기 확관부재는 상기 경사부를 따라 승하강되며,The expansion member is raised and lowered along the inclined portion,상기 제2 몸체의 일단부에는 상기 절곡부를 원 파이프의 내주면 측으로 가압하는 가압부가 구비되는 것을 특징으로 하는 결합구 체결장치.A coupler fastening device, characterized in that a pressing portion for pressing the bent portion toward the inner circumferential side of the circular pipe is provided at one end of the second body.
- 제13항에 있어서,According to claim 13,상기 확관부재는 2개 이상의 확관편을 구비하고,The expansion member is provided with two or more expansion pieces,상기 제2 몸체의 외주면에는 링홈이 구비되며,A ring groove is provided on the outer circumferential surface of the second body,상기 링홈에는 탄성링이 설치되는 것을 특징으로 하는 결합구 체결장치.Coupler fastening device, characterized in that the elastic ring is installed in the ring groove.
- 제13항에 있어서,According to claim 13,상기 머리부에는 상기 확관부재의 상승을 차단하기 위한 스토퍼가 추가로 구비되는 것을 특징으로 하는 결합구 체결장치.Coupler fastening device, characterized in that the head portion is additionally provided with a stopper for blocking the rise of the expansion member.
- 제11항에 있어서,According to claim 11,상기 지지대는 결합부와 착탈가능하게 체결되는 것을 특징으로 하는 결합구 체결장치.The coupler fastening device, characterized in that the support is detachably fastened with the coupling part.
- 제13항에 있어서,According to claim 13,상기 지지대의 단부에는 지지판이 구비되고,A support plate is provided at an end of the support,상기 지지판은 결합부보다 외경이 크게 설정되는 것을 특징으로 하는 결합구 체결장치.The support plate is a coupler fastening device, characterized in that the outer diameter is set larger than the coupling portion.
Applications Claiming Priority (2)
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KR10-2021-0176007 | 2021-12-09 | ||
KR1020210176007A KR102476194B1 (en) | 2021-12-09 | 2021-12-09 | Branch pipe connecting apparatus and the combination apparatus |
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WO2023106819A1 true WO2023106819A1 (en) | 2023-06-15 |
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PCT/KR2022/019775 WO2023106819A1 (en) | 2021-12-09 | 2022-12-07 | Branch pipe coupling device, coupler for installing branch pipe coupling device, and fastening device therefor |
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KR (1) | KR102476194B1 (en) |
WO (1) | WO2023106819A1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006105250A (en) * | 2004-10-05 | 2006-04-20 | Aron Kasei Co Ltd | Connection branch pipe |
KR100586415B1 (en) * | 2004-08-04 | 2006-06-08 | 주식회사 디씨피 | Branch sewer pipe connecting device |
KR100779182B1 (en) * | 2006-09-01 | 2007-11-27 | 유성석 | Device for connecting divergence pipe to main pipe |
KR20110112261A (en) * | 2011-08-31 | 2011-10-12 | 안효성 | Same caliber divergence pipe device for fire extinguishing pipe |
JP2011256939A (en) * | 2010-06-09 | 2011-12-22 | Tokyo Gas Co Ltd | Branch joint for pipe |
-
2021
- 2021-12-09 KR KR1020210176007A patent/KR102476194B1/en active IP Right Grant
-
2022
- 2022-12-07 WO PCT/KR2022/019775 patent/WO2023106819A1/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100586415B1 (en) * | 2004-08-04 | 2006-06-08 | 주식회사 디씨피 | Branch sewer pipe connecting device |
JP2006105250A (en) * | 2004-10-05 | 2006-04-20 | Aron Kasei Co Ltd | Connection branch pipe |
KR100779182B1 (en) * | 2006-09-01 | 2007-11-27 | 유성석 | Device for connecting divergence pipe to main pipe |
JP2011256939A (en) * | 2010-06-09 | 2011-12-22 | Tokyo Gas Co Ltd | Branch joint for pipe |
KR20110112261A (en) * | 2011-08-31 | 2011-10-12 | 안효성 | Same caliber divergence pipe device for fire extinguishing pipe |
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