CN216306974U - High corrosion resistance seamless steel pipe - Google Patents
High corrosion resistance seamless steel pipe Download PDFInfo
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- CN216306974U CN216306974U CN202122611095.9U CN202122611095U CN216306974U CN 216306974 U CN216306974 U CN 216306974U CN 202122611095 U CN202122611095 U CN 202122611095U CN 216306974 U CN216306974 U CN 216306974U
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Abstract
The utility model discloses a high-corrosion-resistance seamless steel pipe which comprises an outer pipe, wherein an outer corrosion-resistance layer is arranged on the surface of the outer side of the outer pipe, a protective sleeve is arranged on the outer side of the outer corrosion-resistance layer, an inner pipe is arranged on the inner side of the outer pipe, a rubber layer is arranged between the inner pipe and the outer pipe, an inner corrosion-resistance layer is arranged on the inner side of the inner pipe, a double-layer pipe body formed by the arranged outer pipe and the inner pipe has better strength, the rubber layer arranged between the outer pipe and the inner pipe realizes better elastic buffering capacity so as to improve the bending resistance and the extrusion resistance of the pipeline, the strength of the pipeline is further improved through the arranged protective sleeve, the pipeline has better strength, and meanwhile, the outer corrosion-resistance layer and the inner corrosion-resistance layer are arranged to simultaneously perform corrosion-resistance protection on two sides of the inner side of the pipeline, and the better corrosion-resistance performance is realized.
Description
Technical Field
The utility model relates to the technical field of seamless steel pipes, in particular to a high-corrosion-resistance seamless steel pipe.
Background
Seamless steel pipes have a hollow cross section and are used in large numbers as pipes for transporting fluids, such as oil, gas, water and certain solid materials. The steel is an economic section steel, is widely used for manufacturing structural parts and mechanical parts, such as oil drill pipes, automobile transmission shafts, bicycle frames, steel scaffold used in building construction and the like, and is used for manufacturing annular parts by using steel pipes, so that the material utilization rate can be improved, the manufacturing process is simplified, and the materials and the processing time are saved.
The applicant of the present invention has found that the conventional seamless steel pipe has a problem of poor corrosion resistance and poor strength when used.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-corrosion-resistance seamless steel pipe, aiming at solving the problems that the conventional seamless steel pipe is poor in corrosion resistance and strength when in use.
The utility model is realized by the following steps:
the utility model provides a high corrosion resistance seamless steel pipe, including the outer tube, the outside surface of outer tube is provided with outer corrosion resistant layer, and the outside on outer corrosion resistant layer is provided with the protective sheath, the inboard of outer tube is provided with the inner tube, and be provided with the rubber layer between inner tube and the outer tube, the inboard of inner tube is provided with interior corrosion resistant layer, the double-deck body that constitutes through the outer tube that sets up and inner tube has better intensity, thereby the rubber layer that sets up simultaneously between outer tube and inner tube realizes better elastic buffer ability and improves pipeline bending resistance and anti extruded intensity, and the intensity of the further improvement pipeline of protective sheath through setting up, make the pipeline have better intensity, simultaneously through the outer corrosion resistant layer that sets up and interior corrosion resistant layer to the inboard both sides of pipeline corrosion resistant protection simultaneously have better corrosion resistance.
Furthermore, the outer side surface of the inner pipe is provided with uniformly arranged second convex ribs, the inner side of the inner pipe is provided with uniformly arranged grooves, and the inner pipe is more firmly connected with the inner corrosion-resistant layer through the uniformly arranged grooves.
Furthermore, the outside of protective sheath is provided with align to grid's support bar, and the outside edge of support bar is provided with the reinforcing plate, and the protective sheath realizes better anti bending through the support bar and the reinforcing plate that set up, has better intensity protective capability.
Further, the protective sheath is integrated into one piece's engineering plastics, and glues through glue between protective sheath and the outer corrosion-resistant layer and glue, and the protective sheath makes processing convenience more through setting up integrated into one piece.
Further, the inner side of the outer corrosion-resistant layer is provided with a reinforcing core, the reinforcing core is a metal mesh, and the outer corrosion-resistant layer is reinforced through the metal mesh reinforcing core to avoid the easy occurrence of fracture.
Furthermore, the inner side of the inner pipe is uniformly provided with first convex ribs, the outer pipe is fixedly connected with the rubber layer through the first convex ribs, and the outer pipe is connected with the rubber layer more firmly through the first convex ribs.
Compared with the prior art, the utility model has the beneficial effects that:
the double-layer pipe body formed by the outer pipe and the inner pipe has better strength, the rubber layer arranged between the outer pipe and the inner pipe realizes better elastic buffer capacity so as to improve the bending resistance and the extrusion resistance of the pipeline, the strength of the pipeline is further improved by the arranged protective sleeve, so that the pipeline has better strength, and the outer corrosion-resistant layer and the inner corrosion-resistant layer simultaneously perform corrosion-resistant protection on the two sides of the inner side of the pipeline and have better corrosion resistance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic cross-sectional view of a high corrosion resistance seamless steel pipe of the present invention;
FIG. 2 is a schematic view of the inner tube of a seamless steel tube with high corrosion resistance according to the present invention;
FIG. 3 is a schematic view of a protective sheath for a seamless steel pipe with high corrosion resistance according to the present invention;
fig. 4 is a schematic view of the outer corrosion-resistant layer of the high corrosion-resistant seamless steel pipe of the present invention.
In the figure: 1. a protective sleeve; 11. a reinforcing plate; 12. a supporting strip; 2. an outer corrosion-resistant layer; 21. a reinforcing core; 3. an outer tube; 31. a first rib; 4. a rubber layer; 5. an inner tube; 51. a second rib; 52. a groove; 6. an inner corrosion-resistant layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
Example 1, referring specifically to fig. 1, 2 and 4, a high corrosion resistance seamless steel pipe includes an outer pipe 3, an outer corrosion-resistant layer 2 provided on an outer surface of the outer pipe 3, and the outer side of the outer corrosion-resistant layer 2 is provided with a protective sleeve 1, the inner side of the outer tube 3 is provided with an inner tube 5, and a rubber layer 4 is arranged between the inner pipe 5 and the outer pipe 3, the inner side of the outer pipe 3 is uniformly provided with first convex ribs 31, the outer pipe 3 is fixedly connected with the rubber layer 4 through the first convex ribs 31, the outer pipe 3 is connected with the rubber layer 4 more firmly through the arranged first convex ribs 31, the inner side of the inner pipe 5 is provided with the inner corrosion-resistant layer 6, the outer corrosion-resistant layer 2 and the inner corrosion-resistant layer 6 are both made of polytetrafluoroethylene, the outer side surface of the inner pipe 5 is provided with second convex ribs 51 which are uniformly arranged, and the inner side of the inner tube 5 is provided with the uniformly distributed grooves 52, and the inner corrosion-resistant layer 6 is more firmly connected with the inner tube 5 through the uniformly distributed grooves 52.
Referring to fig. 3 specifically, the outside of protective sheath 1 is provided with evenly arranged support bars 12, and the outside edge of support bars 12 is provided with reinforcing plate 11, protective sheath 1 is integrated into one piece's engineering plastics, and glues through glue between protective sheath 1 and the outer corrosion-resistant layer 2 and glues, and protective sheath 1 makes processing more convenient through setting up integrated into one piece, and protective sheath 1 realizes better bending resistance through support bars 12 and reinforcing plate 11 that set up, has better intensity protective capability.
Specifically, referring to fig. 4, a reinforcing core 21 is disposed on the inner side of the outer corrosion-resistant layer 2, the reinforcing core 21 is made of a metal mesh, and the outer corrosion-resistant layer 2 reinforces the reinforcing core 21 by the metal mesh to avoid the situation of easy cracking.
The working principle is that the protective sleeve 1 is subjected to deformation resistance and buffer protection when being stressed to the outside through the outer supporting strips 12 and the reinforcing plate 11, when the pipeline is extruded and bent by external force, the rubber layer 4 arranged between the outer pipe 3 and the inner pipe 5 is used for elastic buffer to improve the bending strength, and the outer corrosion-resistant layer 2 and the inner corrosion-resistant layer 6 are used for simultaneously performing corrosion resistance protection on two sides of the inner side of the pipeline.
The device obtained by the design can basically meet the requirements of good corrosion resistance and good strength of the existing seamless steel pipe in use, but the designer further improves the device aiming at further perfecting the function.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A high corrosion resistance seamless steel pipe, includes outer tube (3), its characterized in that: the outer side surface of outer tube (3) is provided with outer corrosion-resistant layer (2), and the outside of outer corrosion-resistant layer (2) is provided with protective sheath (1), the inboard of outer tube (3) is provided with inner tube (5), and is provided with rubber layer (4) between inner tube (5) and outer tube (3), the inboard of inner tube (5) is provided with interior corrosion-resistant layer (6).
2. The seamless steel pipe with high corrosion resistance according to claim 1, wherein the outer side surface of the inner pipe (5) is provided with second ribs (51) which are uniformly arranged, and the inner side of the inner pipe (5) is provided with grooves (52) which are uniformly arranged.
3. The seamless steel pipe with high corrosion resistance according to claim 1, wherein the outer side of the protective sleeve (1) is provided with uniformly arranged support bars (12), and the outer side edges of the support bars (12) are provided with reinforcing plates (11).
4. The seamless steel pipe with high corrosion resistance according to claim 2, wherein the protective sleeve (1) is made of engineering plastics which are integrally formed, and the protective sleeve (1) and the outer corrosion-resistant layer (2) are adhered by glue.
5. A high corrosion-resistant seamless steel pipe according to claim 1, characterized in that the inner side of the outer corrosion-resistant layer (2) is provided with a reinforcing core (21), and the reinforcing core (21) is made of metal mesh.
6. The seamless steel pipe with high corrosion resistance according to claim 1, wherein the inner side of the outer pipe (3) is uniformly provided with first ribs (31), and the outer pipe (3) is fixedly connected with the rubber layer (4) through the first ribs (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122611095.9U CN216306974U (en) | 2021-10-28 | 2021-10-28 | High corrosion resistance seamless steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122611095.9U CN216306974U (en) | 2021-10-28 | 2021-10-28 | High corrosion resistance seamless steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216306974U true CN216306974U (en) | 2022-04-15 |
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ID=81116791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122611095.9U Active CN216306974U (en) | 2021-10-28 | 2021-10-28 | High corrosion resistance seamless steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216306974U (en) |
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2021
- 2021-10-28 CN CN202122611095.9U patent/CN216306974U/en active Active
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