CN210531813U - High-strength precision welded steel pipe - Google Patents
High-strength precision welded steel pipe Download PDFInfo
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- CN210531813U CN210531813U CN201921530323.6U CN201921530323U CN210531813U CN 210531813 U CN210531813 U CN 210531813U CN 201921530323 U CN201921530323 U CN 201921530323U CN 210531813 U CN210531813 U CN 210531813U
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- steel pipe
- connecting portion
- welded steel
- pipe body
- gasket
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Abstract
The utility model discloses a high strength precision welded steel pipe, including interior body and two outer bodies, two outer body symmetrical sleeve establish on the surface of interior body, the surface of interior body is equipped with first joint strip, be equipped with the second joint strip with first joint strip looks adaptation on the outer body inner wall, the surface of the relative one end of two outer bodies is through first gasket welding, and the relative other end is equipped with coupling mechanism, coupling mechanism includes first connecting portion, shutoff portion, second connecting portion and second gasket, first connecting portion, shutoff portion, second connecting portion and second gasket link to each other in proper order and be the integrated into one piece structure. This high strength precision welded steel pipe, structural design is reasonable, adopts the setting of a plurality of contact surfaces to strengthen the holistic intensity of steel pipe greatly, adopts the welding of coupling mechanism multiposition can effectively avoid splitting open of steel pipe welding seam department, has prolonged life, has reduced investment cost, can all-round satisfied demand.
Description
Technical Field
The utility model relates to a steel pipe technical field specifically is a high strength precision welding steel pipe.
Background
With the rapid development of high-quality strip steel continuous rolling production and the progress of welding and inspection technologies, the variety and the specification of welded steel pipes are increasing day by day, and seamless steel pipes are replaced in more and more fields. Compared with a seamless steel pipe, the welded steel pipe has low cost and high production efficiency, the welded steel pipe is formed by welding a steel strip or a steel plate after being bent and deformed into a round shape, a square shape and the like, the existing welded steel pipe is connected by only one welding seam, so that the strength of the existing welded steel pipe is low, the steel pipe is easy to crack from the welding seam along with long-time use, the service life is influenced, the investment cost is increased, and the requirement is difficult to meet.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high strength precision welded steel pipe to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a high-strength precision welded steel pipe comprises an inner pipe body and two outer pipe bodies, wherein the two outer pipe bodies are symmetrically sleeved on the surface of the inner pipe body, the surface of the inner pipe body is provided with a first clamping strip, the inner wall of each outer pipe body is provided with a second clamping strip matched with the first clamping strip, the surfaces of opposite ends of the two outer pipe bodies are welded through first gaskets, and the other opposite ends of the two outer pipe bodies are provided with connecting mechanisms;
the connecting mechanism comprises a first connecting portion, a blocking portion, a second connecting portion and a second gasket, the first connecting portion, the blocking portion, the second connecting portion and the second gasket are sequentially connected and are of an integrally formed structure, a first clamping groove is formed between the side face of the first connecting portion and the blocking portion in a matched mode, and a second clamping groove is formed between the blocking portion, the second connecting portion and the second gasket in a matched mode.
Preferably, an opening is formed on the surface of the inner tube body and corresponds to the position of the connecting mechanism.
Preferably, two ends of the inner tube body are respectively welded with two sides of the first connecting portion, and the opening of the inner tube body is clamped with the first clamping groove.
Preferably, one end of the outer tube body penetrates through the second clamping groove and extends to the interior of the second clamping groove to be clamped with the second clamping groove, and one end of the outer tube body is welded with the side face of the second connecting portion.
Preferably, the bottom of the second gasket is welded with the surface of the outer pipe body.
Preferably, the plugging part is arranged between the inner pipe body and the outer pipe body, the top of the plugging part is contacted with the inner wall of the outer pipe body, and the bottom of the plugging part is contacted with the surface of the inner pipe body.
Preferably, the first clamping strips and the second clamping strips are arranged in a staggered mode, and the side faces of the adjacent first clamping strips and the side faces of the adjacent second clamping strips are in mutual contact.
Preferably, the inner wall of the inner pipe body is coated with a rust-proof coating, and the surface of the outer pipe body is coated with a wear-resistant coating.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a cup joint two outer body symmetries in inner tube body surface, its bottom links to each other the end and utilizes first gasket welding, realize sealing, under the crisscross setting of first joint strip and second joint strip, can improve steel pipe strength, prevent droing between interior body and the outer body simultaneously, peg graft in interior body opening part back with coupling mechanism, utilize first draw-in groove and second draw-in groove to carry out the joint to interior body and outer body, and through the leakproofness of welded mode in order to improve the steel pipe, this high strength precision welding steel pipe, structural design is reasonable, the holistic intensity of steel pipe has been strengthened greatly in the setting that adopts a plurality of contact surfaces, the fracture of steel pipe welding seam department can effectively be avoided in the welding that adopts coupling mechanism multiposition, the service life is prolonged, the investment cost is reduced, can all-round demand of satisfying.
Drawings
FIG. 1 is a sectional view of the front view of the present invention;
fig. 2 is a schematic structural diagram of a front view of the connection mechanism of the present invention.
In the figure: the clamping device comprises an inner pipe body 1, an outer pipe body 2, a first clamping strip 3, a second clamping strip 4, a first gasket 5, a connecting mechanism 6, a first connecting part 61, a sealing part 62, a second connecting part 63, a second gasket 64, a first clamping groove 65 and a second clamping groove 66.
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 embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, a high-strength precision welded steel pipe includes an inner pipe body 1 and two outer pipe bodies 2, the two outer pipe bodies 2 are symmetrically sleeved on the surface of the inner pipe body 1, the inner wall of the inner pipe body 1 is coated with an anti-rust coating, the surface of the outer pipe body 2 is coated with an anti-wear coating, the surface of the inner pipe body 1 is provided with a first clamping strip 3, the inner wall of the outer pipe body 2 is provided with a second clamping strip 4 adapted to the first clamping strip 3, the first clamping strip 3 and the second clamping strip 4 are arranged in a staggered manner, the side surfaces of the adjacent first clamping strip 3 and the adjacent second clamping strip 4 are in contact with each other, the surface of the opposite end of the two outer pipe bodies 2 is welded by a first gasket 5, the opposite end is provided with a connecting mechanism 6, and the surface of the inner pipe body 1 is provided.
The connecting mechanism 6 comprises a first connecting part 61, a plugging part 62, a second connecting part 63 and a second gasket 64, the first connecting part 61, the plugging part 62, the second connecting part 63 and the second gasket 64 are sequentially connected and are of an integrally formed structure, the bottom of the second gasket 64 is welded with the surface of the outer tube 2, the plugging part 62 is arranged between the inner tube 1 and the outer tube 2, the top of the plugging part 62 is in contact with the inner wall of the outer tube 2, the bottom of the plugging part 62 is in contact with the surface of the inner tube 1, a first clamping groove 65 is formed between the side of the first connecting part 61 and the plugging part 62 in a matching way, two ends of the inner tube 1 are respectively welded with two sides of the first connecting part 61, the opening of the inner tube 1 is clamped with the first clamping groove 65, a second clamping groove 66 is formed between the plugging part 62, the second connecting part 63 and the second gasket 64 in a matching way, one end of the outer tube 2 penetrates through the, one end of the outer pipe body 2 is welded with the side surface of the second connecting part 63, two outer pipe bodies 2 are symmetrically sleeved on the surface of the inner pipe body 1, the bottom connecting ends are welded by using the first gasket 5 to realize sealing, the strength of the steel pipe can be improved under the staggered arrangement of the first clamping strip 3 and the second clamping strip 4, the falling-off between the inner pipe body 1 and the outer pipe body 2 can be prevented at the same time, after the connecting mechanism 6 is inserted into the opening of the inner pipe body 1, the inner pipe body 1 and the outer pipe body 2 are clamped by using the first clamping groove 65 and the second clamping groove 66, the sealing performance of the steel pipe can be improved by adopting a welding mode, the high-strength precision welded steel pipe has reasonable structural design, the strength of the whole steel pipe is greatly enhanced by adopting a plurality of contact surfaces, the cracking at the welding seam of the steel pipe can be effectively avoided by adopting the multi-position welding of the connecting mechanism 6, the, can meet the requirements in all directions.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a high strength precision welded steel pipe, includes interior body (1) and two outer body (2), and the surface at interior body (1) is established to two outer body (2) symmetrical sleeves, its characterized in that: the surface of the inner pipe body (1) is provided with first clamping strips (3), the inner wall of the outer pipe body (2) is provided with second clamping strips (4) matched with the first clamping strips (3), the surfaces of the opposite ends of the two outer pipe bodies (2) are welded through first gaskets (5), and the opposite ends are provided with connecting mechanisms (6);
coupling mechanism (6) include first connecting portion (61), shutoff portion (62), second connecting portion (63) and second gasket (64), first connecting portion (61), shutoff portion (62), second connecting portion (63) and second gasket (64) link to each other in proper order and be the integrated into one piece structure, the cooperation forms first draw-in groove (65) between first connecting portion (61) side and shutoff portion (62), the cooperation forms second draw-in groove (66) between shutoff portion (62), second connecting portion (63) and second gasket (64).
2. A high-strength precision welded steel pipe according to claim 1, characterized in that: an opening is formed in the surface of the inner tube body (1) and corresponds to the position of the connecting mechanism (6).
3. A high-strength precision welded steel pipe according to claim 1 or 2, characterized in that: two ends of the inner tube body (1) are respectively welded with two sides of the first connecting portion (61), and an opening of the inner tube body (1) is clamped with the first clamping groove (65).
4. A high-strength precision welded steel pipe according to claim 1, characterized in that: one end of the outer pipe body (2) penetrates through the second clamping groove (66) and extends to the interior of the second clamping groove and is clamped with the second clamping groove, and one end of the outer pipe body (2) is welded with the side face of the second connecting portion (63).
5. A high-strength precision welded steel pipe according to claim 1, characterized in that: the bottom of the second gasket (64) is welded with the surface of the outer pipe body (2).
6. A high-strength precision welded steel pipe according to claim 1, characterized in that: the plugging portion (62) is arranged between the inner pipe body (1) and the outer pipe body (2), the top of the plugging portion (62) is in contact with the inner wall of the outer pipe body (2), and the bottom of the plugging portion (62) is in contact with the surface of the inner pipe body (1).
7. A high-strength precision welded steel pipe according to claim 1, characterized in that: first joint strip (3) and second joint strip (4) are crisscross setting, and adjacent first joint strip (3) and second joint strip (4) side mutual contact.
8. A high-strength precision welded steel pipe according to claim 1, characterized in that: the inner wall of the inner pipe body (1) is coated with an antirust coating, and the surface of the outer pipe body (2) is coated with a wear-resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921530323.6U CN210531813U (en) | 2019-09-12 | 2019-09-12 | High-strength precision welded steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921530323.6U CN210531813U (en) | 2019-09-12 | 2019-09-12 | High-strength precision welded steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210531813U true CN210531813U (en) | 2020-05-15 |
Family
ID=70605202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921530323.6U Active CN210531813U (en) | 2019-09-12 | 2019-09-12 | High-strength precision welded steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210531813U (en) |
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2019
- 2019-09-12 CN CN201921530323.6U patent/CN210531813U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 8, Daming Middle Road, Yaoguan Town, Wujin District, Changzhou City, Jiangsu Province, 213000 Patentee after: Jiangsu Hongyi Precision Industry Co.,Ltd. Address before: 213000 industrial concentration zone, Xinnan village, Yaoguan Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: JIANGSU HONGYI STEEL PIPE CO.,LTD. |