CN117869693B - Steel-plastic conversion pipe fitting for gas conveying pipeline - Google Patents
Steel-plastic conversion pipe fitting for gas conveying pipeline Download PDFInfo
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- CN117869693B CN117869693B CN202410275136.7A CN202410275136A CN117869693B CN 117869693 B CN117869693 B CN 117869693B CN 202410275136 A CN202410275136 A CN 202410275136A CN 117869693 B CN117869693 B CN 117869693B
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- pipe end
- magnetic block
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- 239000004033 plastic Substances 0.000 title claims abstract description 69
- 229920003023 plastic Polymers 0.000 title claims abstract description 69
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 59
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 52
- 239000010959 steel Substances 0.000 claims abstract description 52
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 239000002737 fuel gas Substances 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 21
- 238000013461 design Methods 0.000 claims description 11
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 229910052755 nonmetal Inorganic materials 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
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
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/14—Joints for pipes of different diameters or cross-section
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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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/11—Plugs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a steel-plastic conversion pipe fitting for a fuel gas conveying pipeline, and relates to the technical field of steel-plastic conversion joints. The invention comprises a steel pipe end joint and a plastic pipe end joint, wherein the right side of a sealing sliding sleeve is fixedly connected with a plurality of groups of conical sheets, the conical sheets form a cone, the inner sides of the conical sheets are provided with inner grooves, the right end of a transmission shaft lever is provided with a transmission ring, the right side of the transmission ring is hinged with a plurality of groups of ejector rods, the ejector rods are correspondingly arranged with the conical sheets, and the ejector rods are hinged with the conical sheets, and the hinged position is positioned on the right side of the inner grooves. According to the invention, the outer driving sleeve is reversely rotated, the outer driving sleeve drives the inner rotating sleeve to rotate through the outer magnetic block and the inner magnetic block, the inner rotating sleeve drives the lantern ring to rotate, the lantern ring drives the transmission shaft lever to move rightwards through the convex block and the spiral groove, the transmission shaft lever closes the conical piece through the transmission ring and the ejector rod, and then the end joint of the steel pipe is plugged, so that the steel-plastic conversion joint can be directly maintained, the maintenance is convenient, and additional valve control is not needed.
Description
Technical Field
The invention relates to the technical field of steel-plastic conversion joints, in particular to a steel-plastic conversion pipe fitting for a fuel gas conveying pipeline.
Background
The steel-plastic adapter is a pipe fitting for connecting steel pipes and plastic pipes, and can be widely applied to the fields of families, industries, buildings and the like because of being capable of connecting pipelines of different materials.
In China patent (application number: CN 202111320670.8), a bent pipe type steel-plastic conversion pipe fitting joint assembly is disclosed, the bent pipe type steel-plastic conversion pipe fitting joint assembly comprises a steel pipe end pipe joint and a plastic pipe end pipe joint, the steel pipe end pipe joint and the plastic pipe end pipe joint are connected through an electric melting pipe connecting piece, the electric melting pipe connecting piece comprises a plastic outer jacket and an inner steel skeleton, the plastic outer jacket is coated on the outer side of the inner steel skeleton, the inner steel skeleton is cylindrical, a plurality of first openings are formed in the inner steel skeleton, an elastic limiting piece is further arranged on the inner steel skeleton, one end of the elastic limiting piece is fixedly connected with the inner steel skeleton, one end of the inner steel skeleton is provided with a limiting sleeve, a plurality of connecting protrusions are arranged on the outer side of the inner steel skeleton, the limiting sleeve is in a T shape, the limiting sleeve is sleeved on the inner steel skeleton, and the limiting sleeve is elastically connected with the connecting protrusions through connecting springs, and a heating resistance wire is arranged on the inner side of the inner steel skeleton.
Compared with the prior art, the patent has the following technical problems in the actual use process:
1. This patent is through being equipped with heating resistance wire on inside steel skeleton, can heat electric smelting pipe linking piece through heating resistance wire, plastics oversheath and plastics pipe end coupling are heated and melt, after the two resolidifies, just connect together between the joint, not only need mould the inside heating resistance wire that sets up of joint at steel, it is big to lead to the joint to make the degree of difficulty, and mould the pipe end joint and need longer just can melt and cool off, connecting time is long, the energy consumption is big, mould pipe end joint and be heated and melt degree and be difficult to control simultaneously, the unable solidification of too hard is connected, the too soft pipe that can lead to of plastic pipe attenuation, easy fracture.
2. This patent and prior art's steel are moulded crossover sub does not possess the control break-make function, need set up the valve alone, and when the crossover sub leaks gas, need find the valve position and close, then just can repair the crossover sub is moulded to the steel and change, maintains inconvenient.
Disclosure of Invention
The invention aims at: in order to solve the problems, the invention provides a steel-plastic conversion pipe fitting for a fuel gas conveying pipeline.
The invention adopts the following technical scheme for realizing the purposes:
The steel-plastic conversion pipe fitting for the fuel gas conveying pipeline comprises a steel pipe end connector and a plastic pipe end connector, wherein the right side of the steel pipe end connector is provided with a connector, an expansion cavity is formed in the connector, a sealing sliding sleeve is arranged in the expansion cavity, the right side of the sealing sliding sleeve is fixedly connected with a plurality of groups of conical sheets, the plurality of groups of conical sheets form a cone, and the inner sides of the plurality of groups of conical sheets are provided with inner grooves;
The steel tube end connector comprises a steel tube end connector, and is characterized in that an inner guide frame is arranged in the steel tube end connector, a key groove is formed in the inner wall of the inner guide frame, a transmission shaft rod is inserted into the inner guide frame, a shaft key is arranged on the outer side of the transmission shaft rod, the shaft key is slidably connected in the key groove, a spiral groove is formed in the outer side of the transmission shaft rod, an inner rotating sleeve is rotatably arranged in the steel tube end connector, a mounting box is arranged in the inner rotating sleeve, an inner magnetic block is arranged in the mounting box, a lantern ring is arranged in the inner rotating sleeve, the transmission shaft rod penetrates through the lantern ring, a lug is arranged in the inner wall of the lantern ring, the lug is clamped in the spiral groove, an outer driving sleeve is rotatably arranged on the outer side of the steel tube end connector, a mounting groove is formed in the inner wall of the outer driving sleeve, an outer magnetic block is correspondingly arranged in the mounting groove, and the magnetism of the corresponding surface is opposite to that of the inner magnetic block;
The right end of the transmission shaft lever is provided with a transmission ring, the right side of the transmission ring is hinged with a plurality of groups of ejector rods, the ejector rods are correspondingly arranged with the conical sheets, the ejector rods are hinged with the conical sheets, and the hinged position is positioned on the right side of the inner groove.
Further, the outside of transmission axostylus axostyle is provided with the kicking block, be provided with the top spring between kicking block and the interior guide frame, interior magnetic path adopts the permanent magnet, outer magnetic path adopts the electro-magnet, the internally mounted of outer drive cover has the controller, the internally mounted of connector has the gas to leak the sensor, the controller receives the gas and leaks sensor signal to control outer magnetic path outage.
Further, the inside of connector is offered sealed card chamber, and the inflation chamber is located the right side in sealed card chamber, inflation chamber and sealed card chamber are linked together through the seal cover groove, the left side of sealing sliding sleeve is provided with the snap ring, snap ring sliding connection is in sealed card chamber, sealing sliding sleeve seals and slides in the seal cover groove, the outside of sealing sliding sleeve is provided with the bulge loop.
Further, at least two groups of inner magnetic blocks and outer magnetic blocks are arranged, and the inner magnetic blocks and the outer magnetic blocks are in annular design.
Further, the inner diameter of the plug-in end of the plastic pipe end connector and the plug-in end of the connector is smaller than that of other parts.
Further, the inner wall fixedly connected with inner guide seat of steel pipe end connector, the outside fixedly connected with outer guide seat of steel pipe end connector, interior turning sleeve rotates to install in the inner guide seat, outer driving sleeve rotates to install in outer guide seat, interior guide seat and outer guide seat are non-metallic material.
Further, the inner guide seat and the outer guide seat are made of zirconium dioxide, and the outer surface of the outer guide seat is in a frosted design.
Further, the cross section of the inner groove is triangular.
Further, the outer drive sleeve is of hexagonal design.
The beneficial effects of the invention are as follows:
1. According to the invention, the plastic pipe end connector is inserted into the connector, under the conical action of the conical sheet, the plastic pipe end connector is propped up in the expansion cavity, the propped up part is conical and is clamped in the expansion cavity, a hot melting plastic pipe is not needed, the expansion end of the plastic pipe and the expansion cavity form preliminary fixation and sealing, then the outer driving sleeve is rotated, the outer driving sleeve drives the inner sleeve to rotate through the outer magnetic block and the inner magnetic block, the inner sleeve drives the lantern ring to rotate, the lantern ring drives the transmission shaft rod to move rightwards through the convex block and the spiral groove, the conical sheet is propped up against the inner wall of the connector through the transmission shaft rod, the plastic pipe end connector is secondarily fixed and sealed by the conical sheet, the connection is more stable, and the sealing effect is better.
2. According to the invention, the outer driving sleeve is reversely rotated, the outer driving sleeve drives the inner rotating sleeve to rotate through the outer magnetic block and the inner magnetic block, the inner rotating sleeve drives the lantern ring to rotate, the lantern ring drives the transmission shaft lever to move rightwards through the convex block and the spiral groove, the transmission shaft lever closes the conical piece through the transmission ring and the ejector rod, and then the end joint of the steel pipe is plugged, so that the steel-plastic conversion joint can be directly maintained, the maintenance is convenient, and additional valve control is not needed.
Drawings
FIG. 1 is a schematic overall view of the present invention;
FIG. 2 is a schematic overall cross-sectional view of the present invention;
FIG. 3 is a schematic cross-sectional view of a steel pipe end fitting of the present invention;
FIG. 4 is a schematic cross-sectional view of a plastic pipe end joint of the present invention;
FIG. 5 is a schematic view of a sealing sleeve and a drive shaft of the present invention;
FIG. 6 is a schematic cross-sectional view of a sealing sleeve of the present invention;
FIG. 7 is a schematic cross-sectional view of an inner sleeve of the present invention;
Fig. 8 is a schematic cross-sectional view of an outer drive sleeve of the present invention.
Reference numerals: 1. a steel pipe end joint; 11. an inner guide seat; 12. an outer guide seat; 13. an inner guide frame; 14. a key slot; 2. a connector; 21. an expansion chamber; 22. sealing the clamping cavity; 23. a seal cartridge tank; 3. a plastic pipe end joint; 4. a gas leakage sensor; 5. sealing the sliding sleeve; 51. a clasp; 52. a convex ring; 53. conical sheets; 54. an inner groove; 6. a transmission shaft lever; 61. a spiral groove; 62. a top block; 63. an axle key; 64. a drive ring; 65. a push rod; 7. a top spring; 8. an inner rotating sleeve; 81. a collar; 82. a bump; 83. a mounting box; 84. an inner magnetic block; 9. an outer drive sleeve; 91. a mounting groove; 92. an outer magnetic block.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
A steel-plastic transition pipe for a fuel gas delivery pipe according to a preferred embodiment of the present invention will be described in detail below.
Example 1
As shown in fig. 1-8, a steel-plastic conversion pipe fitting for a fuel gas conveying pipeline comprises a steel pipe end connector 1 and a plastic pipe end connector 3, wherein a connector 2 is arranged on the right side of the steel pipe end connector 1, an expansion cavity 21 is formed in the connector 2, a sealing sliding sleeve 5 is arranged in the expansion cavity 21, a plurality of groups of conical sheets 53 are fixedly connected to the right side of the sealing sliding sleeve 5, the conical sheets 53 form a cone, and an inner groove 54 is formed in the inner side of each of the plurality of groups of conical sheets 53;
The inside of the steel pipe end connector 1 is provided with an inner guide frame 13, the inner wall of the inner guide frame 13 is provided with a key groove 14, the inside of the inner guide frame 13 is inserted with a transmission shaft lever 6, the outside of the transmission shaft lever 6 is provided with a shaft key 63, the shaft key 63 is slidably connected in the key groove 14, the outside of the transmission shaft lever 6 is provided with a spiral groove 61, the inside of the steel pipe end connector 1 is rotationally provided with an inner rotating sleeve 8, the inside of the inner rotating sleeve 8 is provided with a mounting box 83, the inside of the mounting box 83 is internally provided with an inner magnetic block 84, the inside of the inner rotating sleeve 8 is provided with a lantern ring 81, the transmission shaft lever 6 passes through the lantern ring 81, the inner wall of the lantern ring 81 is provided with a lug 82, the lug 82 is clamped in the spiral groove 61, the outside of the steel pipe end connector 1 is rotationally provided with an outer driving sleeve 9, the inner wall of the outer driving sleeve 9 is provided with a mounting groove 91, the outer magnetic block 92 is correspondingly arranged with the inner magnetic block 84, and the corresponding surface is opposite in magnetism;
The right end of the transmission shaft lever 6 is provided with a transmission ring 64, the right side of the transmission ring 64 is hinged with a plurality of groups of ejector rods 65, the ejector rods 65 are correspondingly arranged with the conical sheets 53, the ejector rods 65 are hinged with the conical sheets 53, and the hinged position is positioned on the right side of the inner groove 54.
During installation, the plastic pipe end connector 3 is inserted into the connector 2, then the plastic pipe end connector 3 is knocked inwards, under the conical action formed by the conical sheets 53, the plastic pipe end connector 3 is propped up in the expansion cavity 21, the expansion end is clamped in the expansion cavity 21 to form preliminary fixing and sealing, then the outer driving sleeve 9 is rotated, the outer driving sleeve 9 drives the outer magnetic block 92 to rotate, the outer magnetic block 92 drives the inner magnetic block 84 to rotate through magnetic coupling, the inner magnetic block 84 drives the inner rotating sleeve 8 to rotate, the inner rotating sleeve 8 drives the collar 81 to rotate, the collar 81 drives the transmission shaft rod 6 to move rightwards through the convex blocks 82 and the spiral grooves 61, the conical sheets 53 are positioned on the right part of the inner groove 54 through the transmission shaft rod 6 and the ejector rods 65, the conical sheets 53 on the right part of the inner groove 54 are small in thickness and can be bent at any angle, the conical sheets 53 are made of brass and are easy to deform, the conical sheets 53 are positioned on the right part of the inner groove 54 to push the plastic pipe end connector 3 against the inner wall of the connector 2, the plastic pipe end connector 3 is secondarily fixed and sealed, and the connection is more stable, and the sealing effect is better;
In the in-service use, mould pipe end joint 3 and connector 2 junction and produce and reveal easily, and mould pipe end joint 3 and damage easily, therefore the present steel is moulded the change and is needed to walk to the gas valve position and close the valve when connecting, then just can be to steel and mould the change and connect maintenance, and this device need not extra valve control, during maintenance, reverse outer drive cover 9, outer drive cover 9 drives outer magnetic path 92 and rotates, outer magnetic path 92 passes through magnetic coupling and drives interior magnetic path 84 and rotate, interior magnetic path 84 drives interior rotor 8 and rotates, interior rotor 8 drives the lantern ring 81 and rotates, lantern ring 81 passes through lug 82 and helical groove 61 and drives transmission axostylus axostyle 6 and moves leftwards, transmission axostylus axostyle 6 is located the partial drawing together of inner groove 54 right side through drive ring 64 and ejector pin 65 messenger's cone 53, connector 2 inside is closed this moment, it can to dismantle the change with moulding pipe end joint 3, and convenient to use.
Further, the cross section of the inner groove 54 is triangular, and through the design, the inward swinging angle of the right part of the conical piece 53 located on the inner groove 54 can be limited, when the conical piece 53 swings to be parallel to other parts of the conical piece 53, the edges of the inner groove 54 are propped together, the right part of the conical piece 53 located on the inner groove 54 is limited to swing continuously, and the inward bending of the part can be avoided when the plastic pipe end connector 3 is opened.
Further, the outer driving sleeve 9 is of a hexagonal design, so that the outer driving sleeve 9 can be rotated conveniently.
Example two
As shown in fig. 2-8, a top block 62 is arranged on the outer side of the transmission shaft lever 6, a top spring 7 is arranged between the top block 62 and the inner guide frame 13, a permanent magnet is adopted as an inner magnetic block 84, an electromagnet is adopted as an outer magnetic block 92, a controller is arranged in the outer driving sleeve 9, a gas leakage sensor 4 is arranged in the connector 2, and the controller receives signals of the gas leakage sensor 4 and controls the outer magnetic block 92 to be powered off.
Through the arrangement of the embodiment, the steel-plastic adapter joint can be automatically closed when leakage occurs, gas leakage is reduced, and the use safety is high, because the embodiment is provided with the jacking block 62 and the jacking spring 7, the outer driving sleeve 9 needs to be provided with rotation damping, the rotation damping is larger than the elasticity of the jacking spring 7, the outer driving sleeve 9 is rotated, the outer driving sleeve 9 drives the outer magnetic block 92 to rotate, the outer magnetic block 92 drives the inner magnetic block 84 to rotate through magnetic coupling, the inner magnetic block 84 drives the inner rotating sleeve 8 to rotate, the inner rotating sleeve 8 drives the lantern ring 81 to rotate, the lantern ring 81 drives the transmission shaft lever 6 to move rightwards through the convex block 82 and the spiral groove 61, the transmission shaft lever 6 enables the conical piece 53 to be positioned on the right part of the inner groove 54 through the transmission ring 64 and the jacking rod 65, the conical piece 53 of the inner groove 54 is small in thickness and can be bent at any angle, the conical piece 53 is made of brass, the plastic pipe end connector 3 is pressed against the inner wall of the connector 2 by the conical piece 53 positioned at the right side of the inner groove 54, at the moment, the outer driving sleeve 9 cannot rotate under the action of self damping, the outer driving sleeve 9 and the inner magnetic block 84 limit the rotation of the inner sleeve 8 through the outer magnetic block 92, the inner sleeve 8 limits the movement of the transmission shaft rod 6, the secondary fixation stability is ensured, when the plastic pipe end connector 3 and the connector 2 leak gas, the gas leakage sensor 4 transmits detection signals to the controller, the controller controls the outer magnetic block 92 to cut off the power, at the moment, the inner sleeve 8 is not limited, the inner sleeve 8 can rotate, the top spring 7 pushes the transmission shaft rod 6 to move leftwards, the transmission shaft rod 6 enables the conical piece 53 to be positioned at the right side of the inner groove 54 to be closed through the transmission ring 64 and the ejector rod 65, at the moment, the connector 2 is closed internally, the gas leakage is reduced, meanwhile, the transmission shaft lever 6 drives the inner rotating sleeve 8 to rotate through the spiral groove 61 and the convex block 82.
Example III
As shown in fig. 2-6, a sealing clamping cavity 22 is formed in the connector 2, an expansion cavity 21 is located on the right side of the sealing clamping cavity 22, the expansion cavity 21 is communicated with the sealing clamping cavity 22 through a sealing sleeve groove 23, a clamping ring 51 is arranged on the left side of a sealing sliding sleeve 5, the clamping ring 51 is slidably connected in the sealing clamping cavity 22, the sealing sliding sleeve 5 is slidably arranged in the sealing sleeve groove 23 in a sealing mode, and a convex ring 52 is arranged on the outer side of the sealing sliding sleeve 5.
Through the arrangement of the embodiment, the plastic pipe end connector 3 is convenient to detach and install, when the plastic pipe end connector 3 is connected, at the moment, the sealing sliding sleeve 5 slides to the leftmost side, the sealing sliding sleeve 5 drives the conical piece 53 to be far away from the expansion cavity 21, at the moment, the plastic pipe end connector 3 can be easily spliced, then the outer driving sleeve 9 is rotated, the outer driving sleeve 9 drives the outer magnetic block 92 to rotate, the outer magnetic block 92 drives the inner magnetic block 84 to rotate through magnetic coupling, the inner magnetic block 84 drives the inner rotating sleeve 8 to rotate, the inner rotating sleeve 8 drives the lantern ring 81 to rotate, the lantern ring 81 drives the transmission shaft lever 6 to move rightwards through the convex block 82 and the spiral groove 61, the transmission shaft 6 firstly drives the conical piece 53 to be close to the plastic pipe end connector 3 through the transmission ring 64 and the ejector rod 65, then the transmission shaft 6 enables the conical piece 53 to be positioned at the right part of the inner groove 54 through the transmission ring 64, the conical piece 53 firstly presses the plastic pipe end connector 3 to be pressed on the inner wall of the connector 2, then the conical piece 53 continues to move rightwards relative to the plastic pipe end connector 3, the plastic pipe end connector 3 is propped open through the unbent part of the conical piece 53, the plastic pipe end connector 3 is slowly screwed into the transmission shaft 6, and the plastic pipe end connector 3 can be propped open more stably by the plastic pipe end connector 3;
when the plastic pipe end connector 3 is disassembled, the outer driving sleeve 9 is reversed, the conical sheets 53 are firstly gathered together, then the plastic pipe end connector 3 is in principle, the plastic pipe end connector 3 is released, the plastic pipe end connector 3 has enough restoration space, and the plastic pipe end connector 3 can be pulled out from the connector 2.
Further, at least two groups of inner magnetic blocks 84 and outer magnetic blocks 92 are arranged, and the inner magnetic blocks 84 and the outer magnetic blocks 92 are in annular design, so that the driving force of the inner and outer driving sleeves 9 to the inner rotating sleeve 8 is improved.
Example IV
As shown in fig. 4, the inner diameter of the insertion end of the plastic pipe end connector 3 and the connector 2 is smaller than that of other parts, and by the design, the plastic pipe end connector 3 is more tightly connected with the expansion cavity 21 when expanding, and the sealing effect is better.
Example five
As shown in fig. 1-3, the inner wall of the steel pipe end connector 1 is fixedly connected with an inner guide seat 11, the outer side of the steel pipe end connector 1 is fixedly connected with an outer guide seat 12, an inner sleeve 8 is rotatably installed in the inner guide seat 11, an outer driving sleeve 9 is rotatably installed in the outer guide seat 12, and the inner guide seat 11 and the outer guide seat 12 are both made of non-metal materials.
The outer magnet 92 and the inner magnet 84 are not adsorbed on the steel pipe end connector 1, and the steel pipe end connector 1 has little influence on the rotation of the inner sleeve 8 and the outer driving sleeve 9.
Further, the inner guide seat 11 and the outer guide seat 12 are made of zirconium dioxide, the outer surface of the outer guide seat 12 is in a frosted design, the wear-resistant service life is long, the outer guide seat is not attracted by magnetic force, and the outer driving sleeve 9 has certain rotation damping.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a conversion pipe fitting is moulded to steel for gas pipeline, includes steel pipe end joint (1) and moulds pipe end joint (3), its characterized in that, the right side of steel pipe end joint (1) is provided with connector (2), expansion chamber (21) have been seted up to the inside of connector (2), mould pipe end joint (3) can peg graft in expansion chamber (21), the inside of expansion chamber (21) is provided with sealed sliding sleeve (5), the right side fixedly connected with multiunit cone piece (53) of sealed sliding sleeve (5), multiunit cone piece (53) are constituteed a circular cone, multiunit inner groove (54) have been seted up to the inboard of cone piece (53);
The steel tube end connector comprises a steel tube end connector body, and is characterized in that an inner guide frame (13) is arranged in the steel tube end connector body, a key groove (14) is formed in the inner wall of the inner guide frame (13), a transmission shaft lever (6) is inserted into the inner guide frame (13), a shaft key (63) is arranged on the outer side of the transmission shaft lever (6), the shaft key (63) is slidably connected in the key groove (14), a spiral groove (61) is formed in the outer side of the transmission shaft lever (6), an inner rotating sleeve (8) is arranged in the steel tube end connector body in an inner rotating mode, a mounting box (83) is arranged in the inner sleeve (8), an inner magnetic block (84) is arranged in the mounting box (83), a lantern ring (81) is arranged in the inner portion of the inner sleeve (8), the transmission shaft lever (6) penetrates through the lantern ring (81), a lug (82) is arranged on the inner wall of the lantern ring (81), the lug (82) is clamped in the spiral groove (61), an outer driving sleeve (9) is rotatably arranged on the outer side of the steel tube end connector body (1), a magnetic block (92) is correspondingly arranged in the inner magnetic block (91), and a magnetic block (91) is correspondingly arranged on the inner magnetic block (92);
the right-hand member of transmission axostylus axostyle (6) is provided with transmission ring (64), the right side of transmission ring (64) articulates there is multiunit ejector pin (65), and ejector pin (65) set up with awl piece (53) correspondence, ejector pin (65) are articulated mutually with awl piece (53), and articulated department is located the right side of indent (54).
2. The steel-plastic conversion pipe fitting for the gas transmission pipeline according to claim 1, characterized in that a top block (62) is arranged on the outer side of the transmission shaft lever (6), a top spring (7) is arranged between the top block (62) and the inner guide frame (13), a permanent magnet is adopted by the inner magnetic block (84), an electromagnet is adopted by the outer magnetic block (92), a controller is arranged in the outer driving sleeve (9), a gas leakage sensor (4) is arranged in the connector (2), and the controller receives signals of the gas leakage sensor (4) and controls the outer magnetic block (92) to be powered off.
3. The steel-plastic conversion pipe fitting for the gas transmission pipeline according to claim 2, characterized in that a sealing clamping cavity (22) is formed in the connector (2), the expansion cavity (21) is located on the right side of the sealing clamping cavity (22), the expansion cavity (21) is communicated with the sealing clamping cavity (22) through a sealing sleeve groove (23), a clamping ring (51) is arranged on the left side of the sealing sliding sleeve (5), the clamping ring (51) is slidably connected in the sealing clamping cavity (22), the sealing sliding sleeve (5) is slidably arranged in the sealing sleeve groove (23) in a sealing mode, and a convex ring (52) is arranged on the outer side of the sealing sliding sleeve (5).
4. A steel-plastic conversion pipe fitting for a fuel gas conveying pipeline according to claim 3, wherein at least two groups of the inner magnetic blocks (84) and the outer magnetic blocks (92) are arranged, and the inner magnetic blocks (84) and the outer magnetic blocks (92) are in annular design.
5. The steel-plastic conversion pipe fitting for the gas transmission pipeline according to claim 1, wherein the inner diameter of the insertion end of the plastic pipe end connector (3) and the connector (2) is smaller than that of other parts.
6. The steel-plastic conversion pipe fitting for the gas transmission pipeline according to claim 1, wherein an inner guide seat (11) is fixedly connected to the inner wall of the steel pipe end connector (1), an outer guide seat (12) is fixedly connected to the outer side of the steel pipe end connector (1), the inner rotating sleeve (8) is rotatably installed in the inner guide seat (11), the outer driving sleeve (9) is rotatably installed in the outer guide seat (12), and the inner guide seat (11) and the outer guide seat (12) are made of non-metal materials.
7. The steel-plastic conversion pipe fitting for the fuel gas conveying pipeline according to claim 6, wherein the inner guide seat (11) and the outer guide seat (12) are made of zirconium dioxide, and the outer surface of the outer guide seat (12) is in a frosted design.
8. A steel-plastic transition pipe for gas delivery pipes according to claim 1, characterized in that the cross section of the inner groove (54) is triangular.
9. A steel-plastic transition pipe for gas transmission pipes according to claim 1, characterized in that the outer drive sleeve (9) is of hexagonal design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113864560A (en) * | 2021-08-18 | 2021-12-31 | 韦玉婷 | PVC resistance to compression bellows |
| CN114514395A (en) * | 2019-07-30 | 2022-05-17 | 高尔汤姆森环境有限公司 | Fluid conduit assembly |
| CN216618979U (en) * | 2021-11-26 | 2022-05-27 | 广东顺德星科电器有限公司 | Valve convenient for adjusting water flow |
| CN217402013U (en) * | 2022-06-02 | 2022-09-09 | 南阳市美宝环保设备有限公司 | Pipe joint convenient for connecting air pipes |
| EP4187137A1 (en) * | 2021-11-25 | 2023-05-31 | Ferlem IP Holding B.V. | A one-way valve, a construction element comprising the one-way valve and a method of realising the construction element |
| CN219221526U (en) * | 2022-08-25 | 2023-06-20 | 苗倩 | Pipeline connecting device for hydraulic engineering |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2007033694A1 (en) * | 2005-09-20 | 2007-03-29 | Veritas Ag | Valve device |
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| US4007909A (en) * | 1975-10-16 | 1977-02-15 | Aeroquip Corporation | Full flow valved fitting |
| US5787927A (en) * | 1996-02-21 | 1998-08-04 | Ta Mfg. Co. | Coupling assembly |
| CN202791110U (en) * | 2012-08-13 | 2013-03-13 | 港华辉信工程塑料(中山)有限公司 | Steel plastic transition pipe fitting used for gas distribution system |
| CN104110552A (en) * | 2014-06-11 | 2014-10-22 | 王茂峰 | Steel-plastic transition pipe fitting for fuel gas delivery pipeline |
| CN209977542U (en) * | 2019-02-24 | 2020-01-21 | 江苏钦谊管业有限公司 | Steel wire framework polyethylene composite pipe rapid connection assembly |
| CN114514395A (en) * | 2019-07-30 | 2022-05-17 | 高尔汤姆森环境有限公司 | Fluid conduit assembly |
| CN211976171U (en) * | 2020-03-31 | 2020-11-20 | 宁波市华涛不锈钢管材有限公司 | Stainless steel pipeline connector with safety valve |
| CN113864560A (en) * | 2021-08-18 | 2021-12-31 | 韦玉婷 | PVC resistance to compression bellows |
| EP4187137A1 (en) * | 2021-11-25 | 2023-05-31 | Ferlem IP Holding B.V. | A one-way valve, a construction element comprising the one-way valve and a method of realising the construction element |
| CN216618979U (en) * | 2021-11-26 | 2022-05-27 | 广东顺德星科电器有限公司 | Valve convenient for adjusting water flow |
| CN217402013U (en) * | 2022-06-02 | 2022-09-09 | 南阳市美宝环保设备有限公司 | Pipe joint convenient for connecting air pipes |
| CN219221526U (en) * | 2022-08-25 | 2023-06-20 | 苗倩 | Pipeline connecting device for hydraulic engineering |
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|---|---|
| CN117869693A (en) | 2024-04-12 |
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