WO2021096101A1 - 파이프 연결용 커플링 어셈블리 - Google Patents
파이프 연결용 커플링 어셈블리 Download PDFInfo
- Publication number
- WO2021096101A1 WO2021096101A1 PCT/KR2020/014660 KR2020014660W WO2021096101A1 WO 2021096101 A1 WO2021096101 A1 WO 2021096101A1 KR 2020014660 W KR2020014660 W KR 2020014660W WO 2021096101 A1 WO2021096101 A1 WO 2021096101A1
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- WIPO (PCT)
- Prior art keywords
- pipe
- coupling assembly
- coupler
- outer circumferential
- contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L17/00—Joints with packing adapted to sealing by fluid pressure
- F16L17/02—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket
- F16L17/025—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket the sealing rings having radially directed ribs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/002—Sleeves or nipples for pipes of the same diameter; Reduction pieces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/002—Sleeves or nipples for pipes of the same diameter; Reduction pieces
- F16L21/005—Sleeves or nipples for pipes of the same diameter; Reduction pieces made of elastic material, e.g. partly or completely surrounded by clamping devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L25/00—Construction or details of pipe joints not provided for in, or of interest apart from, groups F16L13/00 - F16L23/00
- F16L25/14—Joints for pipes of different diameters or cross-section
Definitions
- the present invention relates to a coupling assembly for pipe connection, and more particularly, even when pipes having different diameters are connected to each other, the resistance received by the fluid flowing inside the pipe can be reduced, and the coupler is connected by using a fastening member.
- the present invention relates to a coupling assembly for pipe connection that can be installed in a temporary assembled state and is not deformed during the fastening process, so that stable fixation is possible even after fastening.
- pipes and pipes are connected using a coupling in order to connect pipes that are continuously arranged along the axial direction.
- Such a coupling includes a plurality of segments arranged along the circumferential direction of the pipe to be interconnected, and in a state where these segments are arranged at the end of the pipe, a plurality of segments are connected to each other using separate fastening members, thereby forming a continuous pipe. Connect.
- fastening grooves are formed along the circumferential direction at both ends of the pipe, and a part of the coupling is fastened while being inserted into the fastening groove. This is to support the pipe through a coupling so that the pipe does not open even when a force is applied in the direction in which the gap between the pipes that are continuous with each other due to the pressure of the fluid inside the pipe is opened.
- a seal made of synthetic resin such as rubber is provided in the interior of the coupling to improve watertightness, and the end of the pipe is located at the center of the coupling when the pipe is inserted in the axial direction into the coupling.
- a tongue portion is formed to limit the insertion length of the pipe to be used. As disclosed in Patent Document 1, such tongue portions are continuously formed along the inner circumferential surface of the sealing portion so as to effectively support the end when the pipe is inserted.
- These couplings are also used to connect pipes of different diameters. That is, when connecting a pipe having a first diameter and a pipe having a second diameter smaller than the first diameter, the aforementioned coupling is used.
- the tongue portion when forming a tongue portion on the inner circumferential surface of the sealing portion In order to limit the insertion length of the pipe having the second diameter, the tongue portion needs to be formed extending from the inner peripheral surface of the sealing portion so that the inner diameter thereof is formed smaller than the second diameter.
- the segment has an arcuate surface that is inserted into such a fastening groove, and a fastening groove is formed in a shape in which a part of the outer circumferential surface of the pipe is depressed.
- the segments are fastened in the placed state.
- the radius of curvature of the arcuate surface is formed equal to the radius of the outer circumferential surface of the fastening groove so that the segment is stably fixed.
- the arcuate surface of the segment is fastened by moving downward in the radial direction of the pipe while placing each segment on the top of the fastening groove.
- These segments are connected to each other using a fastening member after being seated on the device. If the segments are arranged and fastened in this way, the operator must work alone as the segments must be fastened with the fastening member while maintaining the arrangement of the plurality of segments. It becomes difficult to do, and there is a problem in that work efficiency is lowered due to this.
- Patent Document 1 describes a configuration capable of improving workability by forming a radius of curvature of the arcuate surface of the segment larger than the radius of the outer circumferential surface of the pipe.
- these segments can be moved in the axial direction of the pipe in the state that they are temporarily assembled with a fastening member, and through this, the pre-assembled segment is fastened past the outer circumferential surface of the pipe. It is possible to move to the position where the groove is formed.
- Patent Document 1 discloses that the radius of curvature of this arcuate surface is the outer circumferential surface of the fastening groove. It describes a segment that can be deformed when the fastening member is tightened to match the radius.
- Couplings applied at the construction site are generally formed of cast iron. It is produced through casting processing using cast iron, taking into account the complex shape of the coupling and the manufacturing cost at the same time.
- Patent Document 1 Korean Patent Publication No. 10-2007-0012723 (published on January 26, 2007)
- an object of the present invention is to provide a coupling assembly for pipe connection that can be installed in a state in which the coupler is temporarily assembled using a fastening member and is not deformed during the fastening process, so that stable fixation is possible even after fastening.
- the coupling assembly for solving the above technical problem connects pipes that are continuously arranged along the axial direction, and includes a first pipe having a first diameter, and a first pipe having a second diameter smaller than the first diameter.
- the coupling assembly includes two or more couplers disposed to face each other, and an outer peripheral surface of the first pipe and the second pipe when the coupler is fastened by being provided inside the coupler.
- a watertight member that maintains watertightness while in close contact with the coupler, wherein the coupler has locking portions respectively inserted into fastening grooves formed on the outer circumferential surfaces of the first pipe and the second pipe, and the watertight member is formed on the inner circumferential surface of the coupler.
- a base portion that is closely supported, a protrusion protruding from the base portion toward an end of the pipe, and a close contact portion extending from both ends of the base portion so as to be in close contact with the outer peripheral surface of each of the pipes are formed, and the inner peripheral surface of the base portion has a circumference. Accordingly, a plurality of the protrusions that are spaced apart from each other are formed.
- the protrusion may be provided with a reinforcing member that restricts deformation of the protrusion so as to prevent the end of the second pipe from exceeding the center of the coupler while pressing the protrusion when the second pipe is inserted.
- the contact portion includes a first contact portion in close contact with the outer circumferential surface of the first pipe, and a second contact portion in close contact with the outer circumferential surface of the second pipe, and the reinforcing member is formed at a position adjacent to the second contact portion Can be.
- the contact portion is formed with a contact surface in close contact with the outer circumferential surface of the pipe, the contact surface is a first contact surface in close contact with the outer circumferential surface of the first pipe, and a second close contact with the outer circumferential surface of the second pipe Includes a surface, and a length of the first contact surface may be longer than a length of the second contact surface.
- a support surface for supporting the protrusion may be extended on the first contact surface to prevent the protrusion from being deformed when the second pipe is inserted in a state in which the first pipe is inserted.
- the diameter of the reinforcing member may be smaller than the first diameter of the first pipe.
- the diameter of the reinforcing member may be larger than the second diameter of the second pipe.
- a plurality of reinforcing members may be formed to correspond to the plurality of protrusions, and a length of each of the reinforcing members in the circumferential direction may be longer than a circumferential length of the protrusion.
- a fastening member for temporarily assembling a plurality of the couplers is provided in a state in which two or more couplers are disposed opposite to each other, and both sides of the locking part are provided with the temporary assembly between the couplers.
- An interference prevention groove for preventing interference between the locking part and the pipe may be formed so that the outer circumferential surface of the pipe can penetrate.
- an arch surface facing the outer circumferential surface of the fastening groove may be formed in the locking portion, and a first extension surface extending radially outward from the arch surface may be formed in the interference preventing groove.
- the interference preventing groove may be formed to extend downward from the first extended surface, and a second extended surface having a curvature disposed concentrically with the arch surface may be formed.
- an auxiliary support surface for supporting the side surface of the watertight member may be formed in the interference preventing groove to prevent the side surface of the watertight member from protruding to the outside through the interference preventing groove when water pressure is applied to the inside of the coupler.
- the auxiliary support surface is a connection surface that connects one position on the first extension surface and another position on the second extension surface, and the first extension surface and the second extension surface are formed. It may be formed to have a cross section of a closed curve shape.
- a position where the arch surface and the first extension surface contact each other may be formed in a range of more than 0° and less than 24° with respect to the bottom surface of the coupler.
- a position where the arch surface and the first extension surface contact each other may be formed in a range of 12° or more and 20° or less with respect to the bottom surface of the coupler.
- the coupling assembly for pipe connection of the present invention having the above configuration, since the protrusion formed on the watertight member is divided into a plurality of parts, the resistance to the fluid flowing inside the pipe can be minimized, so that the fluid flow is smooth. have.
- the coupler is configured to be seated in the fastening groove formed in the pipe even if the coupler is not deformed during the fastening process of the coupler, stable fixation is possible after fastening, and there is an advantage of sufficiently satisfying the hydraulic pressure required for field application.
- FIG. 1 is a cross-sectional view showing a state before a coupling assembly according to an embodiment of the present invention is fastened.
- FIG. 2 is a cross-sectional view showing a state in which the coupling assembly according to an embodiment of the present invention is fastened.
- FIG. 3 is a view showing a watertight member according to an embodiment of the present invention, (a) is an overall perspective view, (b) is a partial perspective view.
- FIG. 4 is an enlarged cross-sectional view of an interference preventing groove of a coupling assembly according to an embodiment of the present invention.
- FIG 5 is a front view showing a state before the coupling assembly according to an embodiment of the present invention is fastened.
- FIG. 6 is a performance graph showing the correlation of the allowable water pressure according to the formation position of the first extended surface of the coupling assembly according to the present invention.
- FIG. 1 is a cross-sectional view showing a state before a coupling assembly according to an embodiment of the present invention is fastened
- FIG. 2 is a cross-sectional view showing a state in which the coupling assembly according to an embodiment of the present invention is fastened
- FIG. 3 is a view showing a watertight member according to an embodiment of the present invention
- (a) is an overall perspective view
- (b) is a partial perspective view
- Figure 4 is an interference of the coupling assembly according to an embodiment of the present invention
- FIG. 5 is a front view showing a state before the coupling assembly according to an embodiment of the present invention is fastened
- FIG. 6 is a first extension surface of the coupling assembly according to the present invention. It is a performance graph showing the correlation of the allowable water pressure according to the location.
- the coupling assembly connects the pipes 10 that are continuously arranged along the axial direction, and includes a first pipe 11 having a first diameter D1, and the first It is a coupling assembly for connecting the second pipe 12 having a second diameter D3 smaller than the diameter D1.
- Such a coupling assembly is provided on the outer peripheral surfaces of the first pipe 11 and the second pipe 12 when two or more couplers 100 are disposed opposite to each other, and the coupler 100 is provided inside the coupler 100 when the coupler 100 is fastened.
- the watertight member 30 has a base portion 31 that is closely supported on the inner circumferential surface of the coupler 100, and a protrusion formed protruding from the base portion 31 toward the end of the pipe 10 ( 33), and a contact portion 32 extending from both ends of the base portion 31 so as to be in close contact with the outer circumferential surface of each of the pipes 10, and the inner peripheral surface of the base portion 31 has a plurality of spaced apart from each other along the circumference.
- Four protrusions 33 are formed.
- the coupler 100 is provided with a body portion 120 in which the locking portion 110 is extended, and the body portion 120 supports the rear of the watertight member 30.
- the rear support surface 121 and the lateral support surface 122 supporting the side of the watertight member 30 are formed, and the lateral support surface 122 is a first lateral support surface 122a formed on the first pipe 11 side. ), and a second lateral support surface 122b formed on the side of the second pipe 12.
- the protrusion 33 is formed to limit the insertion length of the second pipe 12 having the second diameter D3. It is necessary to extend from the inner circumferential surface of the watertight member 30 so that the inner diameter is formed smaller than the second diameter D3.
- the fluid flowing inside the second pipe 12 having the second diameter D3 receives a small resistance from the protrusion 33, but the first pipe 11 having the first diameter D1 ) Since the fluid flowing inside receives a relatively greater resistance from these protrusions 33, the fluid may not flow smoothly, so a plurality of protrusions 33 are arranged to be spaced apart from each other along the circumference of the inner circumference of the base part 31. It is to do.
- the resistance received by the fluid flowing inside the pipe 10 decreases, thereby smoothing the fluid flow.
- the end of the second pipe 12 presses the protrusion 33 and crosses the center of the coupler 100.
- a reinforcing member 33a for limiting deformation of the protrusion 33 may be provided to prevent this.
- the protrusion 33 is formed to extend radially inward from the inner circumferential surface of the base portion 31, and the protrusion 33 is as much as it needs to support the end of the second pipe 12 having a smaller diameter than the first pipe 11.
- the second pipe 12 is provided with a reinforcing member 33a that restricts deformation of the protrusion 33 when the second pipe 12 is inserted. It can be effectively supported so that the end of the second pipe 12 is disposed in the center of the coupler 100.
- the contact portion 32 has a first contact portion 32a that is in close contact with the outer circumferential surface of the first pipe 11 and a second contact that is in close contact with the outer circumferential surface of the second pipe 12.
- the reinforcing member 33a, including the portion 32b, may be formed at a position adjacent to the second contact portion 32b.
- the second contact portion 32b is formed relatively longer radially inward than the first contact portion 32a so that it adheres to the outer circumferential surface of the second pipe 12 having a small diameter. Between the portions 32b, a relatively wider separation space is formed than between the base portion 31 and the first contact portion 32a, and a reinforcing member 33a is formed in this separation space. In this way, if the reinforcing member 33a is formed in the spaced space between the base portion 31 and the second contact portion 32b, as shown in FIG. 2, even if the second pipe 12 is inserted, the second contact portion ( 32b) and the reinforcing member 33a can be prevented from causing mutual interference.
- the end of the second pipe 12 presses the protruding portion 33 according to the insertion of the second pipe 12 and the coupler 100
- the reinforcing member 33a pulls the protrusion 33 in a situation beyond the center, the deformation of the protrusion 33 is limited, so that the end of the second pipe 12 can be effectively supported.
- the contact portion 32 is formed with a contact surface 34 in close contact with the outer circumferential surface of the pipe 10, such a contact surface 34 is a first contact surface 34a in close contact with the outer circumferential surface of the first pipe 11 ), and a second contact surface 34b in close contact with the outer circumferential surface of the second pipe 12, and the length L1 of the first contact surface 34a is the length L2 of the second contact surface 34b It may be formed longer, and if the second contact surface 34b is formed longer than the first contact surface 34a, stable watertightness can be secured.
- the first contact portion 32a supports the side surface of the protrusion 33 while the first pipe 11 is inserted.
- the protrusion 33 can be prevented from being deformed while being pushed by the end of the second pipe 12.
- the first contact surface 34a is provided on the first contact part 32a.
- a support surface 34c extending from may be provided.
- the diameter D2 of the reinforcing member 33a described above may be formed to be smaller than the first diameter D1 of the first pipe 11. That is, in this configuration, the inner circumferential surface of the reinforcing member 33a is provided radially inside the inner circumferential surface of the first pipe 11 so that the reinforcing member 33a effectively contacts the protrusion 33 when the first pipe 11 is inserted. By supporting it, it is possible to prevent the first pipe 11 from exceeding the center of the coupler 100.
- the diameter (D2) of the reinforcing member (33a) described above is formed larger than the second diameter (D3) of the second pipe (12) to be spaced apart from the second pipe (12). I can. That is, when configured in this way, the inner circumferential surface of the second pipe 12 is provided radially inside the inner circumferential surface of the reinforcing member 33a, so that the reinforcing member 33a becomes the second pipe 12 when the second pipe 12 is inserted. It is possible to effectively prevent the occurrence of interference with.
- the reinforcing member 33a is formed in a plurality so as to correspond to the plurality of protrusions 33, and the length in the circumferential direction of each reinforcing member 33a is the length in the circumferential direction of the protrusion 33 It can be formed longer.
- the diameter (D2) of the reinforcing member (33a) is formed larger than the second diameter (D3) of the second pipe (12), the flow of the fluid flowing inside the second pipe (12) is not In this state, if the length in the circumferential direction of the reinforcing member 33a is longer than the length in the circumferential direction of the protrusion 33, the reinforcing member 33a can support the protrusion 33 more effectively.
- a fastening member 20 for temporarily assembling the plurality of couplers 100 is provided in a state in which two or more couplers 100 are disposed opposite to each other, and is locked.
- Interference prevention grooves 112 for preventing interference between the locking part 110 and the pipe 10 may be formed on both sides of the part 110 so that the outer circumferential surface of the pipe 10 can be penetrated through the temporarily assembled coupler 100. have.
- two or more couplers 100 are disposed opposite to each other, and the fastening members 20 are temporarily assembled to the plurality of couplers 100. It is configured to be able to connect.
- the coupler 100 is formed with a locking portion 110 inserted into the fastening grooves (11a, 12a) formed in each of the pipes 10, the inner diameter of the locking portion (110) is the fastening grooves (11a, 12a) It is formed in a size corresponding to the outer diameter of.
- the locking portion 110 is formed in a size corresponding to the outer diameter of the fastening groove (11a, 12a) so that) can be in close contact with the outer circumferential surface of the fastening grooves (11a, 12a). At this time, the inner diameter of the locking portion 110 may be formed slightly larger than the outer diameter of the fastening grooves (11a, 12a).
- the difference in size between the inner diameter of the locking portion 110 and the outer diameter of the fastening grooves 11a and 12a is preferably formed only to the extent that the locking portion 110 can be in close contact with the outer circumferential surfaces of the fastening grooves 11a and 12a.
- interference preventing grooves 112 are formed on both sides of the locking part 110. These interference prevention grooves 112 are formed with a gap between the temporary assembly coupler 100 so that the outer circumferential surface of the pipe 10 can pass through.
- the locking portion 110 is in close contact with the outer circumferential surfaces of the fastening grooves 11a, 12a, thereby ensuring structural stability, as well as interference prevention grooves 112 formed on both sides of the locking portion 110, so that the coupler 100 Since it can be installed while penetrating the pipe 10 in the axial direction in a temporary assembled state, workability can be improved.
- the coupler 100 includes the first locking portion 110a inserted into the fastening groove 11a formed in the first pipe 11 and the fastening groove 12a formed in the second pipe 12.
- a second locking portion 110b to be inserted is formed, and a body portion 120 connecting the first locking portion 110a and the second locking portion 110b is formed.
- a watertight member 30 having elasticity is provided inside the space formed through the body portion 120 and the locking portion 110 to prevent leakage of fluid flowing through the pipe 10.
- the coupler 100 has a fastening part 130 through which the fastening member 20 passes, and the fastening part 130 formed on the coupler 100 facing each other is fastened. It is fastened after passing through at the same time with (20).
- the operator moves the coupler 100 disposed opposite to each other in parallel in the radial direction of the pipe 10, and the fastening part 130 ), it is checked whether the coupler 100 is normally fastened in such a way that the bottom surfaces 131 formed on the bottom surface 131 come into contact with each other.
- the coupler 100 is formed so that the bottom surface 131 formed on the fastening part 130 can contact each other even without a separate deformation.
- the fastening force is applied using the fastening member 20 afterwards.
- the couplers 100 disposed opposite to each other move in parallel in the radial direction of the pipe 10, and when the fastening portions 130 formed in the coupler 100 come into contact with each other, the coupler 100 is further It does not move abnormally, and a certain level of fastening torque is applied to the fastening member 20 in this state.
- the coupler ( During the process of contacting the fastening portions 130 formed in 100), deformation does not occur in the coupler 100.
- the locking portion 110 formed in the coupler 100 is inserted into the fastening grooves 11a, 12a, and then the pipe ( 10)
- the pipe 10 is supported so that it does not open in the axial direction by the internal fluid pressure.
- the locking portion 110 is formed with an arch surface 111 facing the outer circumferential surface of the fastening grooves (11a, 12a), the above-described interference preventing groove (112) is As illustrated in FIG. 4, a first extension surface 112a extending radially outward from the arch surface 111 may be formed.
- first extension surface 112a extends radially outward from the arch surface 111, it is easy to secure a gap between the locking portion 110 and the outer circumferential surface 10a of the pipe 10.
- the interference prevention groove 112 is formed to extend downward from the first extension surface (112a), a second extension surface (112b) having a curvature disposed on the arch surface 111 and concentric circles may be formed.
- the second extension surface 112b is further extended from the first extension surface 112a, and the first extension surface 112a and The gap between the locking portion 110 and the outer circumferential surface 10a of the pipe 10 is secured as much as the portion where the second extension surface 112b is formed.
- the second extension surface 112b is formed to have a curvature disposed on the arcuate surface 111 and concentric circles, as shown in FIG. 4.
- the second extension surface 112b is the outer peripheral surface of the fastening grooves 11a and 12a formed in the pipe 10 ( 11a) and the outer circumferential surface 10a of the pipe 10 and the outer circumferential surface 10a, and when the second extension surface 112b is located radially outside the outer circumferential surface 10a of the pipe 10, the pipe 10 )
- the outer circumferential surface (10a) and the second extension surface (112b) the operator can easily check with the naked eye whether the locking part 110 is stably adhered to the outer circumferential surface (11a) of the fastening grooves (11a, 12a). You will be able to.
- first extension surface 112a is preferably formed to have a length such that the second extension surface 112b can be positioned radially outward than the outer peripheral surface 10a of the pipe 10.
- an auxiliary support surface 126 for supporting the contact portion 32 may be formed.
- the contact portion 32 of the watertight member 30 is formed of the first extension surface 112a and the second extension surface 112b. ) May be damaged while protruding to the outside, but as described above, when the auxiliary support surface 126 for supporting the contact portion 32 of the watertight member 30 is formed in the interference prevention groove 112, the contact portion 32 ) Is prevented from protruding so that the watertight member 30 is not damaged, and fluid leakage can be stably prevented.
- the auxiliary support surface 126 includes a connection surface 112c connecting one position on the first extension surface 112a and another position on the second extension surface 112b, and a first extension surface 112a. And, it may be configured to have a closed curved cross-section formed by the second extended surface 112b.
- auxiliary support surface 126 has a closed curved cross section formed of the connection surface 112c, the first extension surface 112a, and the second extension surface 112b, the auxiliary support surface ( Since 126 supports the contact portion 32, it is possible to effectively prevent the watertight member 30 from protruding to the outside through the interference preventing groove 112.
- connection surface 112c connects one position on the first extension surface 112a and another position on the second extension surface 112b, that is, as shown in FIG. 4, the first extension Starting from one end of the surface 112a, it may be configured to connect any one position on the second extended surface 112b.
- connection surface 112c connects any one position on the second extension surface 112b, but connects the position between one end of the second extension surface 112b and the other end of the second extension surface 112b As shown in FIG. 4, a second extension surface 112b is formed following the connection surface 112c. If configured in this way, as described above, the outer peripheral surface 10a and the second extension surface 112b of the pipe 10 ), the operator can easily check with the naked eye whether the locking portion 110 is stably in close contact with the outer peripheral surface 11a of the fastening grooves 11a and 12a.
- the auxiliary support surface 126 When the auxiliary support surface 126 is formed in this way, a certain area of the interference prevention groove 112 is closed to support the contact portion 32 of the watertight member 30.
- auxiliary support surface 126 is preferably formed to extend radially outward with respect to the connection surface 112c so that interference with the outer circumferential surface of the pipe 10 does not occur when the pipe 10 is fastened after the coupler 100 is temporarily assembled. Do.
- the arch surface 111 of the locking portion 110 and the outer circumferential surface 11a of the fastening grooves 11a and 12a are spaced apart from each other. Becomes unable to support the pipe 10.
- the water pressure that the coupler 100 can support decreases due to the formation of the first extension surface 112a. Therefore, it is preferable that the first extension surface 112a be formed within a range capable of satisfying the allowable water pressure after the coupler 100 is fastened.
- the formation position of the first extension surface 112a not only determines whether the coupler 100 can be easily inserted into the pipe 10 in the axial direction when the coupler 100 is installed in the pipe 10 in the temporary assembly state. When a force is applied in the direction in which the gap between the pipes 10 that are continuous with each other by the pressure of the inner fluid of the pipe 10 is applied, it is determined whether it can effectively support the first extension surface 112a. Needs to be decided carefully.
- the formation position of the first extension surface 112a that is, the angle formed to the position where the arch surface 111 and the first extension surface 112a abut with respect to the bottom surface 131 of the coupler 100 is defined as ⁇ .
- ⁇ The formation position of the first extension surface 112a, that is, the angle formed to the position where the arch surface 111 and the first extension surface 112a abut with respect to the bottom surface 131 of the coupler 100 is defined as ⁇ .
- the allowable water pressure increases as the first extension surface 112a is formed at a lower angle. That is, the formation position of the first extension surface 112a and the allowable water pressure are in inverse proportion to each other.
- this angle is preferably formed to be less than 24°.
- a representative standard related to the coupler 100 for connecting the pipe 10 is the UL (Underwriters Laboratories) standard in the United States, and according to this UL standard, the coupler 100 for connecting the pipe 10 is used. It is stipulated that it must withstand the water pressure equivalent to five times the water pressure.
- the water pressure used in buildings is generally about 21 bar, it must withstand a water pressure of at least 105 bar when it conforms to the UL standard.
- the first extension surface 112a is formed at a position where ⁇ is 20° or less.
- the allowable water pressure increases as the first extension surface 112a is formed at a lower angle, but as the first extension surface 112a is formed at a lower angle, the coupler 100 is installed on the pipe 10 in a temporary assembly state. It becomes difficult to do. Accordingly, the first extension surface 112a needs to be formed at a minimum position that can be installed in the pipe 10 or at least a position higher than this position while the coupler 100 is temporarily assembled.
- the radius of curvature of the arch surface 111 of the locking part 110 is formed smaller than the radius of curvature ro of the outer circumferential surface of the pipe 10 As a result, the locking portion 110 cannot move downward while covering only a portion of the outer peripheral surface 10a of the pipe 10, and the height of the coupler 100 is fixed at this position.
- the other part of the pipe 10 located vertically below both ends of the coupler 100 is the radius of curvature of the outer circumferential surface 10a of the pipe 10 ) Means a part that cannot be inserted into the coupler 100 because it is larger.
- the angle of formation of ⁇ is preferably formed in the range of 12° to 20°.
- a watertight member 30 for preventing fluid leakage is provided between the pipe 10 and the coupler 100, and the base portion 31 of the watertight member 30 is inside the coupler 100.
- a rear support surface 121 for supporting and fixing the watertight member 30 and a side support surface 122 for supporting and fixing the close contact portion 32 of the watertight member 30 are formed.
- the coupler 100 is assembled using the fastening member 20 while the watertight member 30 is disposed between the pipe 10 and the coupler 100, the watertight member 30 is attached to the coupler 100. While being pressed, the outer circumferential surface 10a of the pipe 10 is pressed.
- the watertight member 30 when the watertight member 30 is applied with a pressing force that meets the design specifications, the watertight member 30 is elastically deformed and presses the outer circumferential surface of the pipe 10. However, if a pressing force exceeding the design specifications is applied to the watertight member 30 When applied, the watertight member 30 is configured to not pressurize the outer circumferential surface of the pipe 10 any more while deforming radially outward along the deformation allowable groove 125, thereby causing fluid leakage due to excessive deformation of the watertight member 30 You will be able to solve the problem.
- frictional force acts between the rear support surface 121 and the outer circumferential surface of the watertight member 30, especially adjacent to both ends of the coupler 100 of the rear support surface 121
- a large frictional force acts on the rear support surface 121 formed in such a manner that the watertight member 30 is pushed along the assembly direction of the coupler 100 by this frictional force, excessive deformation of the watertight member 30 occurs.
- both ends of the rear support surface 121 may be Since it is spaced apart from the outer circumferential surface of the watertight member 30, it is possible to solve the problem of excessive deformation of the watertight member 30 due to frictional force.
- reinforcing portions 124 extending radially outwardly at both ends of the outer peripheral surface 123 of the body portion 120 of the coupler 100 may be formed.
- a reinforcing portion 124 is formed extending radially outward on the outer peripheral surface 123 of the body portion 120 of the coupler 100.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Joints With Pressure Members (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
Description
Claims (15)
- 축 방향을 따라 연속 배치되는 파이프를 연결하되, 제1 직경을 갖는 제1 파이프와, 상기 제1 직경보다 작은 제2 직경을 갖는 제2 파이프를 연결하기 위한 커플링 어셈블리에 있어서,상기 커플링 어셈블리는,상호 대향 배치되는 둘 이상의 커플러; 및상기 커플러의 내부에 구비되어 상기 커플러의 체결 시 상기 제1 파이프와 상기 제2 파이프의 외주면에 밀착하면서 수밀을 유지하는 수밀 부재;를 포함하되,상기 커플러에는 상기 제1 파이프와 상기 제2 파이프의 외주면에 각각 형성된 체결홈에 각각 삽입되는 걸림부가 형성되고,상기 수밀 부재에는 상기 커플러의 내주면에 밀착 지지되는 베이스부와, 상기 베이스부로부터 상기 파이프의 단부를 향해 돌출 형성된 돌출부와, 각각의 상기 파이프의 외주면에 밀착하도록 상기 베이스부의 양단으로부터 연장 형성된 밀착부가 형성되되,상기 베이스부의 내주면에는 둘레를 따라 상호 이격 배치되는 복수 개의 상기 돌출부가 형성되는 커플링 어셈블리.
- 제1항에 있어서,상기 돌출부에는 상기 제2 파이프의 삽입 시에 상기 제2 파이프의 단부가 상기 돌출부를 가압하면서 상기 커플러의 중앙을 넘어가는 것을 방지하도록 상기 돌출부의 변형을 제한하는 보강 부재가 구비되는 커플링 어셈블리.
- 제2항에 있어서,상기 밀착부는 상기 제1 파이프의 외주면에 밀착하는 제1 밀착부와, 상기 제2 파이프의 외주면에 밀착하는 제2 밀착부를 포함하고,상기 보강 부재는 상기 제2 밀착부와 인접한 위치에 형성되는 커플링 어셈블리.
- 제2항에 있어서,상기 밀착부에는 상기 파이프의 외주면에 밀착하는 밀착면이 형성되되,상기 밀착면은 상기 제1 파이프의 외주면에 밀착하는 제1 밀착면과, 상기 제2 파이프의 외주면에 밀착하는 제2 밀착면을 포함하며,상기 제1 밀착면의 길이는 상기 제2 밀착면의 길이보다 길게 형성되는 커플링 어셈블리.
- 제4항에 있어서,상기 제1 밀착면에는 상기 제1 파이프가 삽입된 상태에서 상기 제2 파이프의 삽입 시에 상기 돌출부가 변형되는 것을 방지하도록 상기 돌출부를 지지하는 지지면이 연장 형성되는 커플링 어셈블리.
- 제2항에 있어서,상기 보강 부재의 직경은 상기 제1 파이프의 상기 제1 직경보다 작게 형성되는 커플링 어셈블리.
- 제6항에 있어서,상기 보강 부재의 직경은 상기 제2 파이프의 상기 제2 직경보다 크게 형성되는 커플링 어셈블리.
- 제7항에 있어서,상기 보강 부재는 복수 개의 상기 돌출부에 대응되도록 복수 개로 형성되되,각각의 상기 보강 부재의 둘레 방향 길이는 상기 돌출부의 둘레 방향 길이보다 길게 형성되는 커플링 어셈블리.
- 제1항에 있어서,상기 제1 파이프와 상기 제2 파이프를 연결하기 위해 둘 이상의 상기 커플러가 대향 배치된 상태에서 복수의 상기 커플러를 가조립시키는 체결 부재가 구비되고,상기 걸림부의 양측에는 가조립된 상기 커플러의 사이로 상기 파이프의 외주면이 관통 가능하도록 상기 걸림부와 상기 파이프의 간섭을 방지하는 간섭 방지홈이 형성되는 커플링 어셈블리.
- 제9항에 있어서,상기 걸림부에는 상기 체결홈의 외주면에 대향되는 아치면이 형성되고,상기 간섭 방지홈에는 상기 아치면에서 반경 방향 외측으로 연장 형성되는 제1 연장면이 형성되는 커플링 어셈블리.
- 제10항에 있어서,상기 간섭 방지홈에는 상기 제1 연장면에서 하향 연장 형성되되, 상기 아치면과 동심원 상에 배치되는 곡률을 갖는 제2 연장면이 형성되는 커플링 어셈블리.
- 제11항에 있어서,상기 간섭 방지홈에는 상기 커플러의 내부에 수압 인가 시 상기 수밀 부재의 측면이 상기 간섭 방지홈을 통해 외부로 돌출되는 것을 방지하도록 상기 수밀 부재의 측면을 지지하는 보조 지지면이 형성되는 커플링 어셈블리.
- 제12항에 있어서,상기 보조 지지면은 상기 제1 연장면 상의 어느 하나의 위치와 상기 제2 연장면 상의 다른 하나의 위치를 연결하는 연결면과, 상기 제1 연장면과, 상기 제2 연장면이 형성하는 폐곡선 형상의 단면을 갖는 커플링 어셈블리.
- 제10항에 있어서,상기 아치면과 상기 제1 연장면이 맞닿는 위치는 상기 커플러의 바닥면을 기준으로 0° 초과 및 24° 이하의 범위에서 형성되는 것을 특징으로 하는 커플링 어셈블리.
- 제14항에 있어서,상기 아치면과 상기 제1 연장면이 맞닿는 위치는 상기 커플러의 바닥면을 기준으로 12° 이상 및 20° 이하의 범위에서 형성되는 것을 특징으로 하는 커플링 어셈블리.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022528093A JP7623717B2 (ja) | 2019-11-15 | 2020-10-26 | パイプ連結用カップリングアセンブリ |
| CN202080074459.XA CN114585846A (zh) | 2019-11-15 | 2020-10-26 | 用于连接管道的联接组件 |
| EP20886416.5A EP4060214B1 (en) | 2019-11-15 | 2020-10-26 | Coupling assembly for pipe connection |
| US17/772,116 US12044337B2 (en) | 2019-11-15 | 2020-10-26 | Coupling assembly for pipe connection |
| SA522432559A SA522432559B1 (ar) | 2019-11-15 | 2022-05-10 | تجميع اقتران لتوصيل الأنابيب |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190146883A KR102140703B1 (ko) | 2019-11-15 | 2019-11-15 | 파이프 연결용 커플링 어셈블리 |
| KR10-2019-0146883 | 2019-11-15 |
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| Publication Number | Publication Date |
|---|---|
| WO2021096101A1 true WO2021096101A1 (ko) | 2021-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2020/014660 Ceased WO2021096101A1 (ko) | 2019-11-15 | 2020-10-26 | 파이프 연결용 커플링 어셈블리 |
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| Country | Link |
|---|---|
| US (1) | US12044337B2 (ko) |
| EP (1) | EP4060214B1 (ko) |
| JP (1) | JP7623717B2 (ko) |
| KR (1) | KR102140703B1 (ko) |
| CN (1) | CN114585846A (ko) |
| SA (1) | SA522432559B1 (ko) |
| WO (1) | WO2021096101A1 (ko) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102140703B1 (ko) | 2019-11-15 | 2020-08-03 | 주식회사 뉴아세아조인트 | 파이프 연결용 커플링 어셈블리 |
| USD984598S1 (en) * | 2019-11-20 | 2023-04-25 | New Asiajoint Co., Ltd. | Gasket for pipe coupling |
| JP7433678B2 (ja) * | 2020-02-17 | 2024-02-20 | ニュー アジア カンパニー リミテッド | パイプ分岐用カップリングアセンブリ |
| KR102700794B1 (ko) * | 2023-07-24 | 2024-09-02 | 홍순삼 | 이경관 이음용 그루브 커플링 조립체 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3977705A (en) * | 1975-08-20 | 1976-08-31 | Aeroquip Corporation | Reducing type coupling |
| KR20070012723A (ko) * | 2004-05-14 | 2007-01-26 | 빅톨릭 컴패니 | 변형 가능한 기계적 파이프 커플링 |
| KR101980287B1 (ko) * | 2016-11-14 | 2019-06-21 | (주)두쿰 | 배관연결장치용 수밀 부재 |
| KR102033757B1 (ko) * | 2018-12-13 | 2019-10-17 | 주식회사 뉴아세아조인트 | 파이프 연결용 커플링 어셈블리 및 이의 제조 방법 |
| KR102140703B1 (ko) * | 2019-11-15 | 2020-08-03 | 주식회사 뉴아세아조인트 | 파이프 연결용 커플링 어셈블리 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3680894A (en) * | 1970-10-30 | 1972-08-01 | Victaulic Co Of America | Joints between pipes of different diameters and couplings and gaskets for the same |
| DE10006029A1 (de) * | 2000-02-10 | 2001-08-30 | Uwe Vieregge | Anordnung zum Verbinden von zwei Rohren |
| DE102005052517B4 (de) | 2005-11-03 | 2010-01-21 | Schwing Gmbh | Rohrleitungskupplung mit einem Dichtungsring und Rohrleitungssystem für die Förderung von Dickstoffen |
| US20100102549A1 (en) | 2006-12-08 | 2010-04-29 | Radzik Joseph G | Grooved transition coupling |
| US9285061B2 (en) * | 2009-12-14 | 2016-03-15 | The Victaulic Company of Japan | Housing-type pipe joint |
| US8360477B2 (en) * | 2009-12-18 | 2013-01-29 | Eaton Corporation | Compliant conduit connector |
| CN202215747U (zh) | 2011-07-28 | 2012-05-09 | 中联重科股份有限公司 | 流体输送管道的密封圈和流体输送管道的连接结构 |
| US9435469B2 (en) * | 2012-09-11 | 2016-09-06 | Victaulic Company | Coupling with notched projections having gasket pocket of varying depth |
| WO2018088880A1 (ko) * | 2016-11-14 | 2018-05-17 | (주)두쿰 | 배관연결장치용 수밀 부재 |
-
2019
- 2019-11-15 KR KR1020190146883A patent/KR102140703B1/ko active Active
-
2020
- 2020-10-26 EP EP20886416.5A patent/EP4060214B1/en active Active
- 2020-10-26 CN CN202080074459.XA patent/CN114585846A/zh active Pending
- 2020-10-26 US US17/772,116 patent/US12044337B2/en active Active
- 2020-10-26 WO PCT/KR2020/014660 patent/WO2021096101A1/ko not_active Ceased
- 2020-10-26 JP JP2022528093A patent/JP7623717B2/ja active Active
-
2022
- 2022-05-10 SA SA522432559A patent/SA522432559B1/ar unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3977705A (en) * | 1975-08-20 | 1976-08-31 | Aeroquip Corporation | Reducing type coupling |
| KR20070012723A (ko) * | 2004-05-14 | 2007-01-26 | 빅톨릭 컴패니 | 변형 가능한 기계적 파이프 커플링 |
| US20080018057A1 (en) * | 2004-05-14 | 2008-01-24 | Victaulic Company Of America | Combination sealing member and pipe couplings |
| KR101980287B1 (ko) * | 2016-11-14 | 2019-06-21 | (주)두쿰 | 배관연결장치용 수밀 부재 |
| KR102033757B1 (ko) * | 2018-12-13 | 2019-10-17 | 주식회사 뉴아세아조인트 | 파이프 연결용 커플링 어셈블리 및 이의 제조 방법 |
| KR102140703B1 (ko) * | 2019-11-15 | 2020-08-03 | 주식회사 뉴아세아조인트 | 파이프 연결용 커플링 어셈블리 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP4060214A4 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20220373113A1 (en) | 2022-11-24 |
| JP2023501657A (ja) | 2023-01-18 |
| EP4060214C0 (en) | 2025-12-03 |
| SA522432559B1 (ar) | 2024-03-11 |
| KR102140703B9 (ko) | 2023-07-13 |
| EP4060214A4 (en) | 2024-03-27 |
| US12044337B2 (en) | 2024-07-23 |
| EP4060214A1 (en) | 2022-09-21 |
| EP4060214B1 (en) | 2025-12-03 |
| CN114585846A (zh) | 2022-06-03 |
| KR102140703B1 (ko) | 2020-08-03 |
| JP7623717B2 (ja) | 2025-01-29 |
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