CN219606276U - High-strength cracking-resistant steel pipe - Google Patents
High-strength cracking-resistant steel pipe Download PDFInfo
- Publication number
- CN219606276U CN219606276U CN202320186428.4U CN202320186428U CN219606276U CN 219606276 U CN219606276 U CN 219606276U CN 202320186428 U CN202320186428 U CN 202320186428U CN 219606276 U CN219606276 U CN 219606276U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- connecting layer
- reinforced
- reinforced connecting
- outer steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model provides a high strength prevents steel pipe that ftractures, includes outer steel pipe, interior steel pipe, is provided with the enhancement articulamentum between outer steel pipe and the interior steel pipe, the shaping has the connecting unit that is used for taking place to be connected with the enhancement articulamentum on the internal surface of outer steel pipe, interior steel pipe to connect produced extrusion dynamics and is limited by the preset interval between the internal surface of outer steel pipe and the internal surface of interior steel pipe, still forms the space that many places are used for setting up the filler after the enhancement articulamentum is connected with the connecting unit. The utility model enables the outer steel pipe and the inner steel pipe to be provided with the stress layer through the reinforced connecting layer, namely the outer steel pipe is stressed in advance, the reinforced connecting layer is the second reinforced connecting layer, and finally the inner steel pipe is the third reinforced connecting layer, the effect of the reinforced connecting layer and the connecting unit can compensate the forming strength of the outer steel pipe and the inner steel pipe through welding forming, and meanwhile, the formed space can be filled with filler for protecting and preserving heat of the reinforced connecting layer.
Description
Technical Field
The utility model relates to the technical field of steel pipes, in particular to a high-strength anti-cracking steel pipe.
Background
Stainless steel pipe is a hollow long round steel material, and is widely used for industrial transportation pipelines and mechanical structural parts such as petroleum, chemical industry, medical treatment, food, light industry, mechanical instrument and the like, and is also widely used for manufacturing mechanical parts and engineering structures because the stainless steel pipe has light weight when being bent and has the same torsional strength.
Publication number CN208169975U discloses a high strength precision welding steel pipe, include by the outer tube of steel sheet bending and by the inner tube of steel sheet bending, two free ends tip mutual contact of inner tube, the welding forms the interior welding seam each other between two free ends of inner tube, the outer tube cladding is in the outside of inner tube, and laminate with the lateral surface of inner tube, two free ends of outer tube are all inwards bent to have the draw-in edge, the draw-in groove that the draw-in edge of two free ends of outer tube was established is contacted each other to the draw-in edge of outer tube, the draw-in groove is all inlayed to the draw-in edge of two free ends of outer tube, the welding seam outside the formation of each other between two free ends of outer tube, adopt welded fastening between the tip of outer tube and the tip of inner tube, outside welding seam staggers each other with the interior welding seam. The steel pipe solves the problem that the strength of the steel pipe is lower due to the fact that the steel pipe is connected by only one welding seam, but the strength defect still exists, the outer pipe and the inner pipe are formed by welding, but the outer pipe and the inner pipe are objects which are connected and matched with each other, namely, the inner surface of the outer pipe and the inner surface of the inner pipe are in surface-to-surface matching, and therefore under the condition that no other compression-resistant structure exists between the outer pipe and the inner pipe, the object which bears acting force after being stressed still is the outer pipe and the inner pipe, and the strength of the steel pipe still exists.
Disclosure of Invention
The present utility model has been made to solve the above-mentioned drawbacks of the prior art, and provides a high-strength anti-cracking steel pipe for solving the above-mentioned problems.
The utility model solves the technical problems by adopting the technical scheme that: the high-strength anti-cracking steel pipe comprises an outer steel pipe and an inner steel pipe, wherein a reinforcing connecting layer is arranged between the outer steel pipe and the inner steel pipe, connecting units used for being connected with the reinforcing connecting layer are formed on the inner surfaces of the outer steel pipe and the inner steel pipe, extrusion force generated by connection is limited by preset intervals between the inner surfaces of the outer steel pipe and the inner steel pipe, and a plurality of spaces used for setting fillers are formed after the reinforcing connecting layer is connected with the connecting units.
Further perfecting, the reinforced connecting layer is provided with a plurality of wave crests and wave troughs used for being connected with the connecting units, and the connecting units are provided with connecting surfaces which are in shapes matching with the wave crests or the wave troughs in an arc shape.
Further perfecting, the connecting surface is provided with at least one caulking groove, the caulking groove is arranged along the length direction of the connecting unit, and the wave crest and the wave trough of the reinforced connecting layer are provided with a clamping structure embedded in the caulking groove.
Further perfecting, the clamping and embedding structure comprises a bulge arranged on the wave crest or the wave trough.
Further perfecting, the filler is made of flexible materials.
Further perfecting, an inner reinforcing ring is arranged on the outer surface of the inner steel pipe.
The beneficial effects of the utility model are as follows:
the utility model enables the outer steel pipe and the inner steel pipe to be provided with the stress layer through the reinforced connecting layer, namely the outer steel pipe is stressed in advance, the reinforced connecting layer is the second reinforced connecting layer, and finally the inner steel pipe is the third reinforced connecting layer, the effect of the reinforced connecting layer and the connecting unit can compensate the forming strength of the outer steel pipe and the inner steel pipe through welding forming, and meanwhile, the formed space can be filled with filler for protecting and preserving heat of the reinforced connecting layer.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged partial schematic view of FIG. 1 in accordance with the present utility model;
fig. 3 is an enlarged view of a portion of fig. 1 in accordance with the present utility model.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
referring to the drawings: the high-strength anti-cracking steel pipe comprises an outer steel pipe 1 and an inner steel pipe 2, wherein a reinforcing connecting layer 3 is arranged between the outer steel pipe 1 and the inner steel pipe 2, a connecting unit 4 used for being connected with the reinforcing connecting layer 3 is formed on the inner surfaces of the outer steel pipe 1 and the inner steel pipe 2, extrusion force generated by connection is limited by a preset interval between the inner surface of the outer steel pipe 1 and the inner surface of the inner steel pipe 2, and a plurality of spaces used for setting fillers are formed after the reinforcing connecting layer 3 is connected with the connecting unit 4. The principle of the present utility model is that the outer steel pipe 1 and the inner steel pipe 2 are provided with a further stress layer through the reinforcing connection layer 3, namely, when an external force generating a breaking force is applied to the steel pipe, the outer steel pipe 1 is stressed in advance, then the reinforcing connection layer 3 and finally the inner steel pipe 2 are stressed, so that when the external force is transmitted to the inner steel pipe 2, the acting force of the external force is weakened, even if the outer steel pipe 2 and the reinforcing connection layer are broken, the inner steel pipe 2 can be prevented from being broken, and the connection of the reinforcing connection layer 3 and the connection unit 4 can increase the cracking resistance of the steel pipe, namely, the reinforcing connection layer 3 is used for carrying out pulling to avoid excessive conversion of the pressing external force into transverse breaking force, and meanwhile, the formed space can be filled with a filler, and the filler is used for protecting the reinforcing connection layer 3, so that the strength of the steel pipe is improved.
The reinforced connecting layer 3 has a plurality of wave crests 31 and wave troughs 32 for being connected with the connecting unit 4, the connecting unit 4 has a connecting surface 41 with the shape of being matched with the arc shape of the wave crests 31 or the wave troughs 32, the reinforced connecting layer 3 is provided with a good effect of differentiating external force by itself, namely, the reinforced connecting layer 3 can resist the external force by increasing the transverse width of the reinforced connecting layer 3, and the connection of the connecting unit 4 can increase the anti-deformation capability of the wave crests 31 and the wave troughs 32 of the reinforced connecting layer 3, namely, the reinforced connecting layer 3 is limited by a space matched with the configuration of the reinforced connecting layer, so that the reinforced connecting layer 3 is prevented from being deformed under the influence of the external force.
The connecting surface 41 is provided with at least one caulking groove 41-a, the caulking groove 41-a is arranged along the length direction of the connecting unit 4, the wave crest 31 and the wave trough 32 of the reinforced connecting layer 3 are provided with clamping structures embedded in the caulking groove 41-a, the embedded structure can not only play a firm connecting role, but also increase the contact area between the wave crest 31, the wave trough 32 and the connecting surface 41, thereby further improving the connection firmness and stability.
The clamping and embedding structure comprises the bulges 51 arranged on the wave crests 31 or the wave troughs 32, the bulges 51 are in U-shaped configuration, the configuration is used for increasing the deformation resistance of the wave crests 31 or the wave troughs 32, and the contact area between the bulges and the outer steel pipes 1 and the inner steel pipes 2 can be increased, so that the effect of involving the outer steel pipes 1 or the inner steel pipes 2 is generated, meanwhile, the clamping and embedding structure is simpler and easier to manufacture, and on the other hand, the clamping and embedding structure and the wave crests 31 or the wave troughs 32 are integrated and continuous, so that the structural strength is better.
The filler is flexible material, and flexible material makes to add the filler and can play the reduction and add the degree of difficulty, and this flexible material can also possess certain heat preservation effect moreover, can avoid freezing like this in winter and freeze.
The outer surface of the inner steel pipe 2 is also provided with an inner reinforcing ring 6, and the inner steel pipe 2 is also formed by welding, so that the inner reinforcing ring 6 is arranged completely to carry out further reinforcing treatment on the inner steel pipe, and the structural strength is further improved.
While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.
Claims (3)
1. The utility model provides a high strength prevents steel pipe that ftractures, includes outer steel pipe (1), interior steel pipe (2), its characterized in that: a reinforced connecting layer (3) is arranged between the outer steel pipe (1) and the inner steel pipe (2), connecting units (4) used for being connected with the reinforced connecting layer (3) are formed on the inner surfaces of the outer steel pipe (1) and the inner steel pipe (2), extrusion force generated by connection is limited by a preset interval between the inner surface of the outer steel pipe (1) and the inner surface of the inner steel pipe (2), and a plurality of spaces used for setting fillers are formed after the reinforced connecting layer (3) is connected with the connecting units (4); the reinforced connecting layer (3) is provided with a plurality of wave crests (31) and wave troughs (32) which are used for being connected with the connecting units (4), and the connecting units (4) are provided with a connecting surface (41) which is matched with the wave crests (31) or the wave troughs (32) in an arc shape; at least one caulking groove (41-a) is formed in the connecting surface (41), the caulking groove (41-a) is formed in the length direction of the connecting unit (4), and the wave crest (31) and the wave trough (32) of the reinforced connecting layer (3) are provided with a clamping structure embedded in the caulking groove (41-a); the snap-fit structure comprises a protrusion (51) arranged on the crest (31) or the trough (32).
2. A high strength anti-cracking steel pipe according to claim 1, wherein: the filler is made of flexible materials.
3. A high strength anti-cracking steel pipe according to claim 1, wherein: an inner reinforcing ring (6) is further arranged on the outer surface of the inner steel pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320186428.4U CN219606276U (en) | 2023-02-02 | 2023-02-02 | High-strength cracking-resistant steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320186428.4U CN219606276U (en) | 2023-02-02 | 2023-02-02 | High-strength cracking-resistant steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219606276U true CN219606276U (en) | 2023-08-29 |
Family
ID=87749447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320186428.4U Active CN219606276U (en) | 2023-02-02 | 2023-02-02 | High-strength cracking-resistant steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219606276U (en) |
-
2023
- 2023-02-02 CN CN202320186428.4U patent/CN219606276U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI409162B (en) | Composite reinforced strip windable to form a helical pipe and method therefor | |
| KR100301348B1 (en) | Pressure Resistance Synthetic Resin Pipe | |
| US6016847A (en) | Flexible tubular conduit | |
| DK172929B1 (en) | Flexible tube comprising at least one elongated reinforcing member having a T-shaped profile as well as a thread for the front | |
| CN107191693B (en) | Corrugated pipe with spiral double-peak structure and manufacturing method thereof | |
| JP2014201836A (en) | Method for manufacturing bellows and/or bellows | |
| US20090302599A1 (en) | Pipe fitting | |
| CN207961909U (en) | A kind of enhanced stainless steel tube | |
| CN108019413A (en) | Concave type spring washer stream drilling screw | |
| CN219606276U (en) | High-strength cracking-resistant steel pipe | |
| WO2017106449A1 (en) | Tubular connection assembly for improved fatigue performance of metallic risers | |
| KR200428386Y1 (en) | Waveform steel pipe having plane inside diameter | |
| JP2006064149A (en) | Metal bellows pipe composite hose | |
| WO2021197405A1 (en) | End surface and port dual-reinforcing dual-sealing device for metal-plastic composite pipe and fabrication method | |
| CN107842652B (en) | Double-flat-wall plastic steel winding pipe | |
| CN201173346Y (en) | Bend-proof copper aluminum connecting pipe structure with joint having reinforcing rods | |
| DK2525961T3 (en) | A hollow profile used in the manufacture of a tube | |
| CN201169026Y (en) | Mould core for producing hose by soft core method | |
| WO2011049170A1 (en) | Steel pipe connection structure | |
| CN115585315A (en) | High-pressure impact resistant corrugated metal hose | |
| CN210106780U (en) | Hollow spiral winding plastic hose | |
| JPH07156285A (en) | Flexible fluid delivery tube | |
| KR200213684Y1 (en) | bellows | |
| CN217815735U (en) | Pressure-resistant heat-preservation stainless steel pipe | |
| CN217153319U (en) | High-strength hot-rolled steel pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |