WO2016108517A1 - 회전쐐기를 이용한 파이프 연결장치 - Google Patents
회전쐐기를 이용한 파이프 연결장치 Download PDFInfo
- Publication number
- WO2016108517A1 WO2016108517A1 PCT/KR2015/014245 KR2015014245W WO2016108517A1 WO 2016108517 A1 WO2016108517 A1 WO 2016108517A1 KR 2015014245 W KR2015014245 W KR 2015014245W WO 2016108517 A1 WO2016108517 A1 WO 2016108517A1
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- Prior art keywords
- wedge
- pipe
- rotating
- connecting device
- rotating wedge
- Prior art date
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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
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/092—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of elements wedged between the pipe and the frusto-conical surface of the body of the connector
- F16L37/0925—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of elements wedged between the pipe and the frusto-conical surface of the body of the connector with rings which bite into the wall of the pipe
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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
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/0842—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a ring which is split into a plurality of component parts which are held in place by means of a resilient ring member
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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
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/092—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of elements wedged between the pipe and the frusto-conical surface of the body of the connector
- F16L37/0927—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of elements wedged between the pipe and the frusto-conical surface of the body of the connector the wedge element being axially displaceable for releasing the coupling
Definitions
- the present invention relates to a pipe fixing and connecting device, more specifically, to make a simple and easy connection with a large diameter pipe as well as a small diameter, and is applied to steel pipes and PE pipes regardless of the material of the pipe, the number of parts Cost savings can be reduced, as well as can be used as a fitting for piping with airtight function, it is possible to recycle the resources by separating the pipe, pipe using a rotating wedge that can shorten the air when using It relates to a connection device.
- Pipe joints are parts used to connect hollow pipes through which fluid can flow.
- traditional methods such as welding screws, crimp and sleeve methods have been developed, and sliding wedge one-touch fittings have recently been developed. .
- two or more pipes are connected to each other by inserting pipes into the connecting device, and various types of sockets, elbows, and tie are manufactured and used for pipe connection.
- a typical example of such a conventional pipe connecting device is disclosed in Korean Patent Application "10-2008-0031902" "pipe connection", as shown in Figures 1 to 2, the connecting body 20, the inclined surface is formed, O-ring 30, the sliding wedge 50, the spring 40 is composed of.
- connection body 20 is formed with an inclined surface 24 to gradually narrow in the inlet direction, from the stop portion O-ring 30, the spring 40, the sliding wedge 50 is built in order.
- the spring 40 and the sliding wedge installed at the rear of the O-ring 30 are for fixing the pipe 1, and the spring 40 has the sliding wedge 50 always riding on the slope toward the narrow portion of the conical space.
- the sliding wedge is pushed, and the sliding wedge 50 is formed with teeth so that the sliding wedge and the pipe are integrated by contacting the pipe and providing infinite frictional force when the pulling force of the pipe is applied.
- the release mechanism When the inserted pipe is removed, the release mechanism is inserted to isolate and pull the sliding wedge 50 from the pipe 1.
- the conventional one-touch pipe connecting device described above has a limitation that is applicable only to small diameter lightweight stainless steel pipe connections.
- the spring pushes the sliding wedge in the longitudinal direction of the pipe, the larger the diameter, the more difficult it is to apply uniform force to all the wedges, which makes it difficult to apply to large diameter pipe connections.
- the sliding wedge when high pressure is applied to the fluid, the sliding wedge is embedded in a narrow space between the pipe and the inclined surface, and thus, the sliding wedge is difficult to remove, thus making it difficult to remove the pipe.
- the present applicant can develop a pipe connecting device using a rotary wedge that can be made of various materials such as general steel pipe, stainless steel pipe, and synthetic resin, and can also connect a large diameter pipe or a thick pipe in one-touch manner.
- Pipe connecting device using a rotary wedge of the present invention is a condition for making the rotary wedge smoothly connected to the connection body having a wedge groove having a rotating corner of the letter 'b';
- a cross section is formed in a semi-circular shape to form a rotating part that is in close contact with the rotating corner of the wedge groove, and an integral part formed with the rotating part to be in contact with the elastic member and the pipe, respectively.
- the connecting body of the present invention consists of a first tube into which a pipe is inserted and a second tube forming an inlet, and a wedge groove of a cross-section 'c' including a rotating corner having a cross-section a-shaped in contact with a rotating portion of the rotating wedge. Is formed.
- the wedge groove accommodates each rotating wedge in the form of an annular necklace surrounding the pipe circumferential surface, and the first tube and the second tube are screwed to enable a separate coupling.
- the teeth of the rotating wedges were superimposed in plural and the distance between the blade tip and the rotation axis of the teeth was longer as the teeth pointed toward the stopping jaw so as to overcome the tolerance of the large diameter pipe.
- the elastic member of the present invention serves to rotate the rotary wedge by pushing the teeth of the rotary wedge in the direction of the center and proposes a method of forming a complete one-touch by installing in the wedge groove.
- the pipe connecting device using the rotating wedge of the present invention is to rotate the rotating wedge in a small space to fix the pipe, so not only the processing amount of the connecting body is small, but also has a simple structure for rotating the rotating wedge by the elasticity of the rubber or leaf spring
- the number of parts is excellent and economical as well as the connection construction can be completed by one-touch work regardless of the pipe material, and the air shortening effect can be obtained.
- Rotating corner of cross-section 'a' which ensures stable rotational movement of the rotating wedge is easy to process and has excellent economical efficiency.
- Elastic member is applied from the circumferential surface to the center of gravity so that the function is maintained even when the size of the connecting device is increased or the material is changed. It can be applied to various kinds of pipe connection such as seamless pipe, welded pipe, pipe, PE pipe, and has a wide range of applications.
- the connecting device of the present invention can be applied to joints such as socket elbows by connecting several in one body and installing the inlet in various directions.
- the present invention is a useful invention that can achieve the recycling of resources because the pipe can be easily separated.
- FIG. 1 is a schematic exploded perspective view of a pipe connecting device using a conventional sliding wedge.
- Figure 2 is a schematic cross-sectional view of the pipe connection of Figure 1;
- Figure 3 is a perspective view showing one example of a rotating wedge of the present invention.
- Figure 4 is a perspective view of one example of an elastic member made of a cylindrical leaf spring of the present invention.
- Figure 5 is a perspective view of an example made of one body with an airtight member and a separating wall with an elastic member of the rubber material of the present invention.
- Figure 6 is a partial perspective view showing the assembled state of the rotating wedge and the elastic member in the first embodiment
- Figure 7 is an exploded perspective view of a pipe connecting device using a rotating wedge using the elastic member of the cylindrical leaf spring of the present invention according to the first embodiment.
- connection device 8 is a schematic cross-sectional view of the connection device of FIG.
- FIG. 9 is an operational state diagram showing a state in which the pipe is inserted into the connecting body in the first embodiment.
- FIG. 10 is an operational state diagram illustrating a state in which a pipe following FIG. 9 is inserted
- Figure 11 is a partial perspective view showing the assembled state of the rotating wedge and the elastic member in the second embodiment
- FIG. 12 is an exploded perspective view showing a connecting device using an airtight member, a separating wall and an elastic member made of a rubber material composed of a body according to a second embodiment
- Figure 13 is a schematic cross-sectional view of the connecting device of FIG.
- Figure 14 is a partial perspective view showing the assembled state of the rotary wedge and the torsion spring is installed in the third embodiment
- FIG. 15 is an exploded perspective view showing a pipe connecting device using a torsion spring according to the third embodiment
- FIG. 16 is a schematic cross-sectional view of the connecting device of FIG.
- the present invention relates to a pipe connecting device using a rotating wedge for connecting the pipes to each other using the rotating wedge.
- Pipe connecting device of the present invention comprises a connecting body having a wedge groove which is a space for receiving the rotating wedge and the rotating wedge, the elastic member and the airtight member. At one end of the body there is a stopping jaw to stop the pipe.
- a rotary wedge for fixing the pipe and the rotary wedge, the elastic member, the wedge groove is designed to mesh with each other and the above elements are organically related to achieve the optimum design according to the application.
- the rotating wedge is installed in the wedge groove, which is a space surrounding the pipe inside the connection body, and rotates with the help of an elastic member that provides rotational force to fix the pipe.
- the airtight material is usually installed closer to the locking jaw than other parts and is responsible for the airtightness.
- the connecting body 110 of the present invention is open toward the incoming pipe and at the end is fastened to the first tube 111 and the first tube 111 having a locking jaw 113 limiting the amount of insertion of the pipe to form a second inlet Consists of a tube 112 and the inner side is formed with a wedge groove 115, which is a space in which the rotating wedge 130 is installed, and the wedge groove 115 allows the rotating wedge to have a smooth rotational motion in place.
- a rotating corner 114 of the letter 'b' the tube means cylindrical.
- the first tube 111 and the second tube 112 are usually fastened with screws to complete the connection body 110.
- the second tube is in close contact with the outside of the first tube or is fastened by inserting a cylindrical portion in the space therein.
- the airtight member 140 is installed between the locking jaw 113 and the wedge groove 115, it is easy to manufacture and can achieve economical product design.
- the elastic member 120 is properly selected and a washer 141 is additionally installed between the rotary wedge 130 and the airtight member 140, economical design is possible.
- between the locking step 113 and the wedge groove 115 is usually provided with a close contact portion 119, which is to ensure the length of the sufficient close contact portion required for fixing the pipe (1).
- the rotating corner of the wedge groove is divided between the rotating wedges by the separating wall 217 so that the first tube and the second tube cover one side of the cross section, and can accommodate each rotating wedge separately. Not useful.
- the rotary wedges can be installed in several layers and thus a high pressure connection device can be manufactured.
- Rotating wedge 130 of the present invention is the rotary wedge 130 is in contact with the elastic member 120 in a state of being embedded in the rotary corner 114 to securely fix the pipe (1) by rotational operation when inserting the pipe (1) It works.
- the rotary part 131 is installed in close contact with the rotary corner 114 and the extension part 133 formed integrally with the rotary part and in contact with the elastic member 120 and the pipe 1, respectively, inserted pipe (1)
- Extension portion 133 in contact with the) is characterized in that the teeth 137 for fixing the pipe (1) is formed.
- Rotating portion 131 of the rotating wedge 130 is inserted into the rotary corner 114 of the wedge groove 116 in a semi-circular cross section so that the rotary wedge 130 when the pipe is inserted or when the opposite force is applied It can rotate in place.
- a plurality of tooth 137 layers overlap each other at a portion contacting the pipe 1 of the rotary wedge extension 133.
- Each tooth 137 layer receives the tolerance of the pipe 1 by gradually increasing the distance between the rotation axis of the rotating part 131 and the blade tip as it moves away from the inlet 111 of the connecting body 110. It is desirable to be able to. That is, the shortest length between the blade ends in the rotary shaft of the teeth closest to the inlet of the connection body 100 to contact the large pipe (1), the rotary shaft of the teeth 137 gradually located far from the inlet The length between the ends of the blades is longer and longer, so that the pipes 1 of different diameters can be fixed.
- each tooth 137 When the line connecting the end of each tooth 137 is formed in an arc shape, when the stress is increased during the reverse rotation operation of the rotary wedge 130, each tooth 137 is to squeeze the pipe (1) Since there is an advantage that can achieve a more robust connection of the pipe (1).
- This rotating wedge shape is shown in FIG.
- the rotating wedge 130 is an arc shape in which a plurality of donuts are divided at an angle to fix the pipe 1 while surrounding the circumference, and through the elastic force of the elastic member 120 according to the insertion of the pipe 1. It is assembled to be in close contact with the elastic member 120 to smoothly rotate, it is preferable to install the high-pressure pipe tightly and to install a wide interval for the low-pressure pipe. If more contact surfaces are required, the rotating wedges can be superimposed.
- the rotating wedge 130 is divided by 30 degrees, but the rotating wedge of larger angle is possible, and the rotating wedge divided into smaller angles can be arranged.
- the elastic member 120 of the present invention serves to rotate the rotary wedge in contact with the rotary wedge 130.
- the elastic member 120 pushes the teeth 137 of the wedge toward the pipe 1 to closely contact the pipe 1.
- the teeth 137 formed in the forward pipe 1 in the forward direction are rotated in the forward direction when the pipe is inserted into the rotating part 131 to guide the pipe 1, but the elastic member 120 continues to rotate when the pipe moves in the reverse direction.
- the teeth 137 of the teeth 137 is pushed toward the pipe and the rotary part 131 located in the rotary corner 114 of the wedge groove 115 can no longer be rotated. To disturb.
- the elastic member 120 may be made of various materials, such as a rubber material, a coil spring or a leaf spring with strong elasticity.
- the elastic member of the present invention is divided into an elastic portion 122 that gives a rotational force to the rotating wedge and the portion holding the mold.
- the coil spring or the leaf spring is suitable because the wedge must be pulled from above, but assembly or fixing is somewhat difficult. If it is installed on the lower surface, it will face the pipe insertion direction in front and it becomes difficult to insert the pipe due to the large resistance when inserting the pipe.
- the elastic part 122 of the elastic member 120 in the present invention is located between the circumferential surface of the wedge groove 115 and the rotary wedge 130 to push the rotary wedge teeth 137 in the pipe center direction from the circumferential surface It is efficient because This is because the resistance of the pipe (1) is small, the rotation force applied to the rotating wedge is large, and the production and installation are easy.
- the present invention proposes an elastic member made of a cylindrical leaf spring and an elastic member made of a torsion spring located on both sides of a ring-shaped rubber material elastic member and a rotating wedge.
- the elastic member 120 made of a leaf spring has the advantage that the heat resistance is stronger than the elastic member of the rubber material.
- the leaf spring can have various forms but the present invention proposes a cylindrical leaf spring in the first embodiment. It is an elastic member having a case-shaped elastic portion 122 that is bent from the cylindrical plate. The branching direction is possible in both the longitudinal direction of the pipe or the direction of the cylindrical circle, but the plate spring having the elastic portion 122 is bent in the fork along the surface is more advantageous. This is because it can be designed by adjusting the height so as not to contact the rotating portion 131 of the rotating wedge 130 is advantageous to corrosion and is also convenient to fix to the second tube (112).
- the elastic member 120 of the leaf spring material extends in the center direction to support the bottom so that the rotary wedge 130 can rotate in place, and toward the entrance to fit the fake teeth 135 of the rotary wedge. It is preferable that the bent fold 123 is added and this leaf spring is shown in FIG. When the plate spring is used, if the washer 141 is further configured between the airtight member and the rotary wedge, the airtight member functions stably when water pressure is generated.
- the elastic member 220 of a rubber material which is a high molecular compound, can be manufactured in one body with the airtight member 240.
- Rubber material elastic member 220 of the present invention is manufactured in one body and the airtight member to provide a rotational force to the rotating wedge in addition to installing a separation wall 217 between the rotary wedge 230 to prevent the wedge from falling off and rainwater sewage It is useful for non-pressure or low pressure connection as it prevents the penetration of back.
- the rubber material elastic member 220 is applied, and the elastic member 220 is represented in FIG. 5. Adopting a trapezoidal wedge groove 215 when viewed from the center when there is no fake teeth in the rotary wedge is prevented from falling off of the rotary wedge and it is useful to increase the area of the teeth of the rotary wedge.
- the torsion spring is provided as an elastic member, and the torsion spring 320 installed on both sides of the rotation wedge smoothly rotates the rotation wedge 330, so it is suitable for a high pressure hydraulic test jig or a large pipe connecting device.
- the elastic portion 322 that transmits the rotational force is located between the circumferential surface of the wedge groove 315 and the rotary wedge.
- the torsion spring 320 is preferably installed in the space provided in the wedge groove 315 and fixed to the first tube 311 using the fastening means 325.
- Fastening means 325 can be used in various ways, but the present invention proposes to use a clip of the 'U' shape.
- the pipe connecting device of the present invention operates as follows. Representative examples of the first embodiment are illustrated in FIGS. 9 and 10.
- the pipe 1 When the pipe 1 is inserted through the inlet, the pipe 1 touches and extends the extension portion 133 of the rotary wedge 130 so that the rotary wedge 130 compresses the elastic member 120. It is to operate the forward rotation based on the rotating unit 131. As a result, the pipe side is inserted into contact with the teeth 137 formed in the extension 133 of the rotary wedge and the teeth are placed in the forward direction so that the insertion of the pipe 1 is easily performed.
- the insertion of the pipe 1 is limited by being caught by the stop jaw 117 formed in the second tube.
- the pipe 1 stops. 117 and the rotating wedge 130 is firmly fixed.
- the rotary wedge 130 When the force is applied in the disengaging direction, the rotary wedge 130 already embedded in the rotating corner 114 of the cross-section 'a' by the elastic member 120 and pushed to the minimum space can no longer rotate in the reverse direction, so that the pipe The tooth 137 in contact with (1) is embedded in the pipe and the separation of the pipe (1) is not made. That is, the rotary wedge 130 acts like a hinge or wedge in the space between the expansion part and the pipe 1 by the elastic action of the elastic member 120 and the force directed in the reverse direction is the tooth 137 of the rotary wedge 120. By strongly compressing the pipe (1) through will be to prevent the falling out of the pipe.
- the first fixing means is provided with a rotating protrusion 136, which is a protrusion on both sides of the rotating wedge rotating part 131, and the wedge groove 115 has a corresponding space, which is suitable for a large connection device.
- Another means is to provide a fake tooth 135 extending in the longitudinal direction of the pipe in the extension 133 of the rotating wedge, the corresponding groove into which the fake tooth 135 is fitted is usually provided in the elastic member. This is useful for small caliber connections.
- Another method is to use the fan shape of the rotating wedge 130 to produce a wedge groove front view shape in a trapezoidal shape when viewed from a circle center.
- Rotating wedge 130 is useful when including a rubber material in the configuration of the connecting device or the wedge groove of the small diameter that can be easily solved even if the close contact with the wedge groove (115).
- Pipe connecting device using the rotating wedge of the present invention can be used by variously selecting the combination of the shape and rotation wedge fixing device of each component according to the material, the working pressure, the diameter of the pipe.
- the connecting device 100 of the first embodiment shown in FIGS. 6, 7, and 8 uses a cylindrical leaf spring, and the two tubes 112 are fastened to surround the outside of the first tube.
- a washer is installed between the rotary wedge and the airtight member to correspond to the fluid pressure.
- the leaf spring 120 of the present invention has a pair of elastic portions 122 having a casement shape that is split out from the cylindrical surface and bent toward the center to correspond to one rotary wedge 130, and the elastic portion 122 There is a bent portion 123 extending toward the centrifuge and bent toward the inlet.
- the bending part 123 is fitted with fake teeth 135 of the rotary wedge to prevent the falling of the rotary wedge and helps to rotate in place.
- the airtight member 140 of the present embodiment is shown as having a U-packing shape, such a design is a portion of the airtight function when the pipe (1) enters is compressed in the circumferential direction is less effective in the longitudinal direction rotation wedge in place It helps to rotate.
- the rotary wedge 130 and the elastic member 120 are assembled and installed in the first tube.
- the connection device 100 of the present embodiment is completed.
- the pipe 1 is removed, the fixing screw 118 is loosened, and then the second tube 112, the rotating wedge 130, and the leaf spring 120 are removed and worked.
- This embodiment is suitable for pressure piping such as water supply piping, fire fighting piping.
- FIG. 5 illustrates a trapezoidal wedge groove 215 and a fan-shaped rotary wedge 230 as a connecting device 200 using the elastic member 220 of a rubber material.
- the elastic member 220 of the present embodiment shown in FIG. 5 is designed by integrating the airtight member 240 and the isolation wall 217 into one body, it has a wedge drop prevention function and an airtight function in addition to the elastic function using rubber elasticity. do.
- the fake teeth 235 may be added to the rotating wedge and the groove may be provided to the fake teeth, but in the present embodiment, the rotary wedge is formed using the fan shape of the rotary wedge 230.
- the shape of the wedge groove 215 is trapezoidal when viewed from the center to prevent the movement of the rotary part 231 of the fan-shaped rotary wedge and to enable the rotation of the rotary wedge extension 233.
- the tooth area of the rotary wedge 230 can be enlarged, which is a useful design. In the case of high pressure applications, additional washers and hermetic seals can be constructed.
- connection device 200 of the present embodiment is completed.
- the connecting device 300 of the third embodiment is designed to rotate the rotating wedge 330 by using a torsion spring, and the torsion spring 320 is provided on both sides of the rotating wedge.
- An elastic portion 322 that transmits elasticity is positioned between the circumferential surface of the wedge groove 315 and the rotating wedge 330.
- the rotary protrusion 336 is installed in the rotary wedge, and the wedge groove is used by installing a hole in the second tube 312.
- the cylindrical portion of the second tube is fastened in the state inserted into the inside of the first tube is provided with a hole in the cylindrical portion is responsible for the wedge groove (315).
- the torsion spring 320 can be designed to work smoothly on each rotating wedge, so it is suitable for large fittings.
- the rotary protrusion 336 of the rotary wedge 330 provided with the rotary protrusion 336 is inserted into the coil part of the torsion spring and installed in the wedge groove 315, and then the torsion using the 'U'-shaped clip 325.
- the spring 320 is fixed to the second tube 312. Thereafter, when the first tube 311 and the second tube 312 are fastened, the connecting device 300 before the pipe insertion is completed.
- the torsion spring and the rotation protrusion are indicated by dotted lines for convenience.
- the first tube 311 and the second tube 312 are separated by releasing the screw 541 fastening the first tube 311 and the second tube 312 to the second tube 312. You can remove the pipe and then remove the pipe. It is suitable for large diameter pipe connecting device or hydraulic test jig.
- Pipe connecting device using the rotary wedge presented in the present invention can be designed for a variety of purposes by various combinations of components, one-touch connection of large diameter pipes as well as small-diameter pipes, water and sewage, fire, plant, shipbuilding, etc. In the plumbing work, air reduction and cost reduction can be achieved. As shown in the embodiment of the present invention specifically presented, it can be applied to the pressure pipe connecting device, low pressure pipe connecting device, PE pipe connecting device and hydraulic jig design.
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Abstract
Description
Claims (19)
- 한쪽은 들어오는 파이프를 향해 열려 있고 다른 한쪽 끝에는 파이프의 삽입량을 제한하는 걸림턱이 형성된 제 1튜브와, 체결수단에 의해 상기 제 1튜브에 고정되어 입구를 형성하는 제2튜브로 구성되며, 내부에는 입구를 통해 삽입되는 파이프의 원주를 둘러싸는 공간으로 단면 'ㄱ'자의 회전코너가 포함된 쐐기홈이 마련된 연결몸체;상기 쐐기홈에 다수가 설치되며, 단면이 반원형상으로 형성되어 상기 쐐기홈의 상기 회전코너에 밀착하여 회전운동하는 회전부와, 상기 회전부와 일체로 형성되어 파이프에 접하는 연장부로 구성되며, 상기 연장부에는 톱니가 형성된 회전쐐기;상기 회전쐐기에 접하여 회전쐐기에 회전력을 부여하는 탄성부재와;상기 연결몸체에 내설되어 기밀을 담당하는 기밀재를 포함하여 이루어지는 것에 특징이 있는 회전쐐기를 이용한 파이프 연결장치.
- 제 1항에 있어서, 상기 회전코너 단면 'ㄱ'자의 두면은 각각 상기 제 1튜브의 내주면과 상기 제 2튜브가 제공하는 한 면으로 구성되는 것에 특징이 있는 회전쐐기를 이용한 파이프 연결장치.
- 제 1항에 있어서, 상기 쐐기홈에는 상기 회전쐐기를 분리 수용할 수 있게 격리벽이 구비되는 것에 특징이 있는 회전쐐기를 이용한 파이프 연결장치.
- 제 1항에 있어서, 상기 쐐기홈은 상기 제 2튜브에 마련된 다수의 구멍으로 구성되는 것에 특징이 있는 회전쐐기를 이용한 파이프 연결장치.
- 제 1항에 있어서, 상기 회전쐐기는 파이프를 감싸는 도넛 형상을 분할한 호 형상인 것에 특징이 있는 회전쐐기를 이용한 파이프 연결장치.
- 제 1항에 있어서, 상기 회전쐐기의 톱니는 복수 층으로 구성되고, 연결몸체의 입구에서 멀어질수록 회전부의 회전축과 각 층의 톱날 끝과의 거리가 점차 길어지도록 형성되며, 각각의 톱니 날 끝을 연결하는 선은 호 형상을 포함하는 것에 특징이 있는 회전쐐기를 이용한 파이프 연결장치.
- 제 1항에 있어서, 상기 탄성부재는 탄발을 수행하는 탄성부가 상기 쐐기홈의 내주면과 상기 회전쐐기 사이에 위치하는 것에 특징이 있는 회전쐐기를 이용한 파이프 연결장치.
- 제 7항에 있어서, 상기 탄성부재는 원통형 판에서 중심방향으로 갈라져 나온 탄성부가 포함된 판 스프링인 것에 특징이 있는 회전쐐기를 이용한 파이프 연결장치.
- 제 8항에 있어서, 상기 탄성부는 여닫이 창 형상으로 형성된 것에 특징이 있는 회전쐐기를 이용한 파이프 연결장치.
- 제 8항에 있어서, 상기 판 스프링은 일부가 중심방향으로 연장되고 입구를 향해 꺽인 꺽임부가 추가로 형성되는 것에 특징이 있는 회전쐐기를 이용한 파이프 연결장치.
- 제 7항에 있어서, 상기 탄성부재는 코일부가 상기 회전쐐기의 측면에 위치하는 토션 스프링인 것에 특징이 있는 회전쐐기를 이용한 파이프 연결장치.
- 제 1항에 있어서, 상기 탄성부재는 체결수단에 의해 상기 연결몸체에 고정되는 것에 특징이 있는 회전쐐기를 이용한 파이프 연결장치.
- 제 11항 및 12항에 있어서, 상기 탄성부재의 체결수단은 'U'자 형 클립인 것에 특징이 있는 회전쐐기를 이용한 파이프 연결장치.
- 제 3항, 제 4항 및 제 7항에 있어서, 상기 탄성부재는 고무재질로 상기 기밀재 및 격리벽과 한 몸으로 제작되는 것에 특징이 있는 회전쐐기를 이용한 파이프 연결장치.
- 제 1항에 있어서, 상기 기밀재와 회전쐐기 사이에는 와셔가 추가 설치되는 것에 특징이 있는 회전쐐기를 이용한 파이프 연결장치.
- 제 1항에 있어서, 상기 연결장치는 회전쐐기가 탈락되지 않고 제자리에서 회전하도록 회전쐐기 고정수단이 부가된 것에 특징이 있는 회전쐐기를 이용한 파이프 연결장치.
- 제 16항에 있어서, 상기 회전쐐기 고정수단은 상기 회전쐐기의 회전부 양 측면에 형성된 돌기를 포함하는 것에 특징이 있는 회전쐐기를 이용한 파이프 연결장치.
- 제 16항에 있어서, 상기 회전쐐기 고정수단은 상기 회전쐐기의 회전부와 톱니 사이의 연장부에 형성된 파이프 길이 방향으로 뻗은 가짜이빨을 포함하는 것에 특징이 있는 회전쐐기를 이용한 파이프 연결장치.
- 제 16항에 있어서, 상기 회전쐐기 고정수단은 원심에서 볼 때 상기 쐐기홈의 정면도가 사다리꼴 형상인 것을 포함하는 것에 특징이 있는 회전쐐기를 이용한 파이프연결장치.
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JP2017534725A JP2018501449A (ja) | 2015-01-01 | 2015-12-24 | 回転くさびを用いたパイプのコネクター |
CN201580071864.5A CN107969141A (zh) | 2015-01-01 | 2015-12-24 | 一种使用旋转楔钉榫的管件连接装置 |
US15/536,656 US20170343142A1 (en) | 2015-01-01 | 2015-12-24 | Pipe connecting device using rotary wedge |
Applications Claiming Priority (4)
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KR10-2015-0000009 | 2015-01-01 | ||
KR20150000009 | 2015-01-01 | ||
KR10-2015-0183732 | 2015-12-22 | ||
KR1020150183732A KR101703673B1 (ko) | 2015-01-01 | 2015-12-22 | 회전쐐기를 이용한 파이프 연결장치 |
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WO2016108517A1 true WO2016108517A1 (ko) | 2016-07-07 |
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PCT/KR2015/014245 WO2016108517A1 (ko) | 2015-01-01 | 2015-12-24 | 회전쐐기를 이용한 파이프 연결장치 |
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US11199280B2 (en) | 2017-04-19 | 2021-12-14 | Mueller Intemational, LLC | Joint restraint device |
US11215306B2 (en) | 2017-04-19 | 2022-01-04 | Mueller International, Llc | Joint restraint device |
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US12031647B2 (en) | 2017-07-13 | 2024-07-09 | Mueller International, Llc | Wide range coupling |
US11193609B2 (en) | 2018-02-28 | 2021-12-07 | Mueller International, Llc | Pipe coupling |
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CN109114338B (zh) * | 2018-10-08 | 2024-03-15 | 陈清龙 | 一种管件的插合卡扣连接件 |
US11668416B2 (en) | 2019-02-04 | 2023-06-06 | Mueller International, Llc | Gland assembly |
US11162621B2 (en) | 2019-02-04 | 2021-11-02 | Mueller International, Llc | Gland assembly |
US11396965B2 (en) | 2019-07-19 | 2022-07-26 | Mueller International, Llc | Restraint gripper cover with lockout breakaway |
GB2616651A (en) * | 2022-03-16 | 2023-09-20 | Crane Ltd | Gripper |
CN115451209A (zh) * | 2022-11-09 | 2022-12-09 | 江苏帕卓管路系统股份有限公司 | 一种风电液压软管总成 |
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