CN212718576U - Good plastic-coated steel pipe of stability connects device soon - Google Patents
Good plastic-coated steel pipe of stability connects device soon Download PDFInfo
- Publication number
- CN212718576U CN212718576U CN202021469404.2U CN202021469404U CN212718576U CN 212718576 U CN212718576 U CN 212718576U CN 202021469404 U CN202021469404 U CN 202021469404U CN 212718576 U CN212718576 U CN 212718576U
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- China
- Prior art keywords
- plastic
- coated steel
- steel pipe
- threaded
- pipes
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- Expired - Fee Related
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- 239000004033 plastic Substances 0.000 title claims abstract description 81
- 229920003023 plastic Polymers 0.000 title claims abstract description 81
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 77
- 239000010959 steel Substances 0.000 title claims abstract description 77
- 238000007789 sealing Methods 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 230000007797 corrosion Effects 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- -1 polyethylene Polymers 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 125000003003 spiro group Chemical group 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000006223 plastic coating Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Images
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- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The utility model provides a good plastic-coated steel pipe of stability connects device soon, including two plastic-coated steel pipes, the internal thread groove has all been seted up at the both ends of every plastic-coated steel pipe, and the spliced eye has all been seted up to the upper surface of every grafting piece, and the equal fixedly connected with in both ends of connecting tube and internal thread groove threaded connection's screwed pipe, the equal symmetrical fixed mounting in the back of the body of two activity lantern rings has the inserted bar that runs through the spliced eye, and the equal fixed mounting in the outside of every inserted bar has spacing arch. Through screwed pipe and interior thread groove spiro union between two adjacent plastic-coated steel pipes and connecting tube to under the limiting displacement of direction slider and direction spout, utilize the spacing arch in the inserted bar outside and the spliced eye grafting of the inside of inserted bar, the fastness of being connected between reinforcing plastic-coated steel pipe and connecting tube prevents to appear moving back the silk phenomenon, thereby has solved current plastic-coated steel pipe connecting device and has operated complicacy, the relatively poor problem of plastic-coated steel pipe stability after connecting.
Description
Technical Field
The utility model relates to a plastic-coated steel pipe technical field especially relates to a good plastic-coated steel pipe of stability connects device soon.
Background
The plastic-coated steel pipe is a pipeline which protects the inner wall of the steel pipe by hot melting a plastic layer on the inner wall of the steel pipe through a plastic coating process, and has excellent performance. Compared with galvanized pipes, the galvanized pipe has the advantages of corrosion resistance, no rustiness, no scale deposit, smoothness, cleanness, no toxicity, long service life and the like. According to the test, the service life of the steel-plastic composite pipe is more than three times of that of a galvanized pipe. Compared with plastic pipes, the plastic pipe has the advantages of high mechanical strength, pressure resistance, good heat resistance and the like. Since the substrate is a steel pipe, there is no embrittlement or aging problem. Can be widely applied to fluid conveying and heating projects of tap water, coal gas, chemical products and the like. The coated steel pipe is formed by coating plastics on the basis of a large-caliber spiral welded pipe and a high-frequency welded pipe, can be coated with various plastic coatings with different performances such as polyvinyl chloride (PVC), Polyethylene (PE), epoxy resin (EPOZY) and the like according to different requirements, has good adhesive force and strong corrosion resistance, can resist strong acid, strong alkali and other chemical corrosion, is nontoxic, does not rust, wear-resistant, impact-resistant and strong in permeability resistance, has smooth pipeline surface, does not adhere to any substance, can reduce the resistance during conveying, improves the flow rate and conveying efficiency, reduces the conveying pressure loss, and ensures that the formed corresponding coating has more outstanding performance by continuously improving the formula process of the powder coating.
When the plastic-coated steel pipe is used, two plastic-coated steel pipes are often required to be connected, however, the existing plastic-coated steel pipe connecting device is complex to operate, and the stability of the connected plastic-coated steel pipes is poor; and the existing plastic-coated steel pipe connecting device has poor sealing performance with the plastic-coated steel pipe, so that the leakage is easily caused. Therefore, it is necessary to provide a fast plastic-coated steel pipe connecting device with good stability to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a plastic-coated steel pipe quick-connection device with good stability, which solves the problems that the prior plastic-coated steel pipe connection device is complex in operation and the connected plastic-coated steel pipe has poor stability; and the existing plastic-coated steel pipe connecting device has poor sealing performance with the plastic-coated steel pipe, so that the leakage is easily caused.
In order to solve the technical problem, the utility model provides a plastic-coated steel pipe quick-connecting device with good stability, which comprises two plastic-coated steel pipes, wherein both ends of each plastic-coated steel pipe are provided with an internal thread groove, and the outer side of the plastic-coated steel pipe is uniformly and fixedly provided with four insertion blocks, the upper surface of each insertion block is provided with an insertion hole, a connecting pipeline is arranged between the two plastic-coated steel pipes, both ends of the connecting pipeline are fixedly connected with a threaded pipe in threaded connection with the internal thread groove, and the outer side of the connecting pipeline is uniformly provided with four guide chutes, the outer side of the connecting pipeline is symmetrically sleeved with movable lantern rings, the inner side of each movable lantern ring is symmetrically and fixedly provided with guide sliding blocks matched with the guide chutes, and two the equal symmetrical fixed mounting in the back of the body of activity lantern ring has the inserted bar that runs through the spliced eye, every the equal fixed mounting in the outside of inserted bar has spacing arch.
Preferably, the seal groove that communicates with the internal thread groove is all seted up at the both ends of plastic-coated steel pipe, the equal fixed mounting in both ends of connecting tube has the sealing washer that corresponds with the seal groove.
Preferably, the threaded pipe is located inside the sealing ring, and the threaded pipe and the connecting pipeline are of an integrally formed structure.
Preferably, the limiting protrusion and the insertion rod are of an integrally formed structure, and the limiting protrusion is of a hemispherical structure.
Preferably, the diameter of the insertion hole is equal to 1.5 times of the diameter of the insertion rod, and the insertion rod is made of high-temperature-resistant and corrosion-resistant plastics.
Preferably, the inner side of the connecting pipeline is provided with an epoxy layer, and the outer side of the connecting pipeline is provided with a polyethylene layer.
Compared with the prior art, the utility model provides a pair of good plastic-coated steel pipe of stability connects device soon has following beneficial effect:
the utility model provides a good plastic-coated steel pipe of stability connects device soon, through screwed pipe and interior thread groove spiro union between two adjacent plastic-coated steel pipes and connecting tube, and under the limiting displacement of direction slider and direction spout, utilize the spacing arch in the inserted link outside and the spliced eye of spliced block inside to peg graft, the fastness of being connected between reinforcing plastic-coated steel pipe and connecting tube prevents to appear withdrawing the silk phenomenon, thereby solved current plastic-coated steel pipe connecting device complicated operation, the relatively poor problem of plastic-coated steel pipe stability after the connection.
The utility model provides a good plastic-coated steel pipe of stability connects device soon adopts seal groove and sealing washer, can make between plastic-coated steel pipe and connecting tube be connected inseparabler, has solved current plastic-coated steel pipe connecting device and has scribbled the leakproofness between the plastic-coated steel pipe not strong, causes the problem of leakage easily.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of a plastic-coated steel pipe quick-connection device with good stability provided by the present invention;
fig. 2 is a partial enlarged view of part a of the present invention.
Reference numbers in the figures: 1. plastic-coated steel pipes; 2. connecting a pipeline; 3. a movable collar; 4. a sealing groove; 5. a limiting bulge; 6. a plug rod; 7. an insertion block; 8. a guide slider; 9. a guide chute; 10. inserting holes; 11. an internal thread groove; 12. a seal ring; 13. a threaded pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Please refer to fig. 1 and fig. 2, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a plastic-coated steel pipe quick-connection device with good stability according to the present invention; fig. 2 is a partial enlarged view of part a of the present invention. A plastic-coated steel pipe fast-connecting device with good stability comprises two plastic-coated steel pipes 1, wherein inner thread grooves 11 are formed in two ends of each plastic-coated steel pipe 1, four inserting blocks 7 are uniformly and fixedly installed on the outer sides of the plastic-coated steel pipes 1, an inserting hole 10 is formed in the upper surface of each inserting block 7, a connecting pipeline 2 is arranged between the two plastic-coated steel pipes 1, threaded pipes 13 in threaded connection with the inner thread grooves 11 are fixedly connected to two ends of the connecting pipeline 2, four guide sliding grooves 9 are uniformly formed in the outer sides of the connecting pipeline 2, movable lantern rings 3 are symmetrically sleeved on the outer sides of the connecting pipeline 2, guide sliding blocks 8 matched with the guide sliding grooves 9 are symmetrically and fixedly installed on the inner sides of the movable lantern rings 3, inserting rods 6 penetrating through the inserting holes 10 are symmetrically and fixedly installed on the back sides of the two movable lantern rings 3, a limiting bulge 5 is fixedly installed on the outer sides of the inserting rods 6, through screwed pipe 13 and internal thread groove 11 spiro union between two adjacent plastic-coated steel pipes 1 and connecting tube 2, and under the limiting displacement of direction slider 8 and direction spout 9, utilize the spacing arch 5 in the inserted link 6 outside and the inside spliced eye 10 of grafting piece 7 to peg graft, the fastness of being connected between reinforcing plastic-coated steel pipe 1 and connecting tube 2 prevents the silk phenomenon that moves back, thereby it is complicated to have solved current plastic-coated steel pipe connecting device operation, the relatively poor problem of plastic-coated steel pipe stability after the connection.
Further, the seal groove 4 that communicates with the internal thread groove 11 is all seted up at the both ends of plastic-coated steel pipe 1, and the equal fixed mounting in both ends of connecting tube 2 has the sealing washer 12 that corresponds with seal groove 4 for the leakproofness reinforcing between plastic-coated steel pipe 1 and the connecting tube 2.
Further, the threaded pipe 13 is located inside the sealing ring 12, and the threaded pipe 13 and the connecting pipe 2 are of an integrally formed structure, so that the connection between the threaded pipe 13 and the connecting pipe 2 is firm.
Further, spacing arch 5 and peg graft 6 are integrated into one piece structure for firm in connection between spacing arch 5 and the peg graft 6, and spacing arch 5 is hemisphere type structure, makes things convenient for peg graft 6 to remove in the inside of spliced eye 10.
Further, the diameter of plug-in connection hole 10 equals 1.5 times of plug-in connection rod 6 diameter, makes things convenient for spacing arch 5 and plug-in connection rod 6 to remove in the inside of plug-in connection hole 10, and plug-in connection rod 6 is made by high temperature resistant, corrosion resistant plastic, guarantees that plug-in connection rod 6 has certain elastic deformation ability.
Further, the inboard of connecting tube 2 is equipped with the epoxy layer, and the outside of connecting tube 2 is equipped with the polyethylene layer, and is anticorrosive effectual, can increase of service life.
The utility model provides a pair of good plastic-coated steel pipe of stability connects device's theory of operation soon as follows:
when two adjacent plastic-coated steel pipes 1 are assembled with the connecting pipeline 2, firstly, any one of the plastic-coated steel pipes 1 is in threaded connection with the connecting pipeline 2 through the inner threaded groove 11 and the threaded pipe 13, the sealing ring 12 connected with the connecting pipeline 2 is pushed into the sealing groove 4 at the moment, the sealing performance between the plastic-coated steel pipe 1 and the connecting pipeline 2 is ensured, then the movable sleeve ring 3 is pushed, the guide sliding block 8 connected with the movable sleeve ring 3 slides in the guide sliding groove 9, the inserting rod 6 connected with the movable sleeve ring 3 is inserted into the inserting hole 10 formed in the inserting block 7, the wire withdrawing phenomenon can be avoided under the action of the limiting protrusion 5, the plastic-coated steel pipe 1 and the connecting pipeline 2 are prevented from being connected firmly inadequately, and finally, the other plastic-coated steel pipe 1 is connected with the connecting pipeline 2 in the same mode.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a good plastic-coated steel pipe of stability connects device soon, includes two plastic-coated steel pipes (1), its characterized in that: the plastic-coated steel pipe joint comprises plastic-coated steel pipes (1), a connecting pipeline (2), connecting blocks (7), threaded pipes (13) in threaded connection with the inner threaded grooves (11), inserting holes (10), connecting chutes (9), movable lantern rings (3), guide sliding blocks (8) matched with the guide sliding chutes (9), and inserting rods (6) penetrating through the inserting holes (10), wherein the two ends of each plastic-coated steel pipe (1) are respectively arranged at two ends of the plastic-coated steel pipe (1), the outer sides of the two plastic-coated steel pipes (1) are uniformly and fixedly provided with the four inserting blocks (7), the two ends of each connecting pipeline (2) are respectively and fixedly connected with the threaded pipes (13) in threaded connection with the inner threaded grooves (11), the outer sides of the connecting pipelines (2) are respectively and uniformly provided with the four guide sliding chutes (9), the outer sides of the connecting pipelines (2) are symmetrically sleeved with the movable lantern rings (3), the inner sides of the movable lantern rings (3), and the outer side of each insertion rod (6) is fixedly provided with a limiting bulge (5).
2. The plastic-coated steel pipe fast connecting device with good stability of claim 1, which is characterized in that: seal groove (4) with internal thread groove (11) intercommunication are all seted up at the both ends of plastic-coated steel pipe (1), the equal fixed mounting in both ends of connecting tube (2) has sealing washer (12) that correspond with seal groove (4).
3. The plastic-coated steel pipe fast connecting device with good stability as claimed in claim 2, characterized in that: the threaded pipe (13) is located inside the sealing ring (12), and the threaded pipe (13) and the connecting pipeline (2) are of an integrally formed structure.
4. The plastic-coated steel pipe fast connecting device with good stability of claim 1, which is characterized in that: the limiting protrusion (5) and the insertion rod (6) are of an integrally formed structure, and the limiting protrusion (5) is of a hemispherical structure.
5. The plastic-coated steel pipe fast connecting device with good stability of claim 1, which is characterized in that: the diameter of the plug hole (10) is equal to 1.5 times of the diameter of the plug rod (6), and the plug rod (6) is made of high-temperature-resistant and corrosion-resistant plastic.
6. The plastic-coated steel pipe fast connecting device with good stability of claim 1, which is characterized in that: the inboard of connecting tube (2) is equipped with the epoxy layer, just the outside of connecting tube (2) is equipped with the polyethylene layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021469404.2U CN212718576U (en) | 2020-07-23 | 2020-07-23 | Good plastic-coated steel pipe of stability connects device soon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021469404.2U CN212718576U (en) | 2020-07-23 | 2020-07-23 | Good plastic-coated steel pipe of stability connects device soon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212718576U true CN212718576U (en) | 2021-03-16 |
Family
ID=74908462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021469404.2U Expired - Fee Related CN212718576U (en) | 2020-07-23 | 2020-07-23 | Good plastic-coated steel pipe of stability connects device soon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212718576U (en) |
-
2020
- 2020-07-23 CN CN202021469404.2U patent/CN212718576U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210316 |