CN220470909U - High-pressure explosion-proof seamless steel pipe - Google Patents
High-pressure explosion-proof seamless steel pipe Download PDFInfo
- Publication number
- CN220470909U CN220470909U CN202322041471.4U CN202322041471U CN220470909U CN 220470909 U CN220470909 U CN 220470909U CN 202322041471 U CN202322041471 U CN 202322041471U CN 220470909 U CN220470909 U CN 220470909U
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- Prior art keywords
- butt joint
- sealing
- seamless steel
- steel pipe
- pressure explosion
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 28
- 239000010959 steel Substances 0.000 title claims abstract description 28
- 210000001503 joint Anatomy 0.000 claims description 69
- 238000007789 sealing Methods 0.000 claims description 49
- 230000003139 buffering effect Effects 0.000 claims 5
- 238000004880 explosion Methods 0.000 claims 2
- 239000012530 fluid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Joints Allowing Movement (AREA)
Abstract
The utility model discloses a high-pressure explosion-proof seamless steel pipe, which relates to the technical field of seamless steel pipes and comprises a main pipe body, wherein a buffer cavity is formed between inner walls of the main pipe body and close to one side edge of the main pipe body, the inner walls of the buffer cavity extend towards the axial line direction of the main pipe body in an inclined mode.
Description
Technical Field
The utility model relates to the technical field of seamless steel pipes, in particular to a high-pressure explosion-proof seamless steel pipe.
Background
The seamless steel pipe has a hollow section, is used as a large number of pipelines for conveying fluid, such as pipelines for conveying petroleum, natural gas, coal gas, water and certain fixed materials, is an economic section steel, and has obviously improved pressure resistance and strength compared with other pipelines when in actual use.
At present, when using a seamless steel pipe, fluid with high pressure is generally conveyed because of high pressure resistance of the seamless steel pipe, leakage is easily generated at a butt joint position due to excessive internal pressure of the seamless steel pipe, and sealing facilities at the butt joint position are impacted by high-strength pressure, so that the sealing performance of the sealing facilities is reduced.
Disclosure of Invention
(one) solving the technical problems
The utility model provides a high-pressure explosion-proof seamless steel pipe, which solves the technical problems that when a seamless steel pipe is used at present, fluid with higher pressure is usually conveyed due to high pressure resistance of the seamless steel pipe, leakage is easy to occur at a butt joint part due to overlarge internal pressure of the seamless steel pipe, and sealing performance of the sealing equipment is reduced due to high-strength pressure impact on the sealing equipment at the butt joint part.
(II) technical scheme
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model provides a high pressure explosion-proof seamless steel pipe, includes the trunk line body, be close to one side edge between the inner wall of trunk line body and seted up the cushion chamber, the inner wall in cushion chamber is slope form and extends to trunk line body axial lead direction, the inside in cushion chamber is provided with the butt joint cover, the outward appearance of butt joint cover is slope form, and laminates each other with the inner wall in cushion chamber, a plurality of ring channels have been seted up to the inner wall equidistance in cushion chamber, the surface equidistance of butt joint cover is fixed with sealing ring between a plurality of and the ring channel.
Preferably, a butt joint pipe is fixed on one side of the butt joint sleeve, and the butt joint pipe is positioned on one side of the main pipeline body.
Preferably, the outer surface of the main pipeline body is close to one side edge, and the outer surface of the butt joint pipe is close to one side edge, and the connecting flange plates are fixed.
Preferably, a plurality of hexagonal bayonets are equidistantly arranged on one side of the connecting flange plate on the main pipeline body, and locking bolts are arranged in the hexagonal bayonets.
Preferably, the outer surfaces of the locking bolts are in threaded connection with locking nuts, a mounting groove is formed in one side of the main pipeline body, and a sealing felt which is in sealing connection with the inside of the mounting groove is fixed on one side of the butt joint pipe.
Preferably, a sealing groove is formed in one side of the butt joint pipe, and a sealing ring which is in sealing connection with the inside of the sealing groove is fixed on one side of the main pipe body.
(III) beneficial effects
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, when the device is used, the buffer cavity with the inner wall extending towards the axial line direction of the main pipeline body in an inclined manner is formed in the main pipeline body, the butt joint sleeve is fixed on one side of the main pipeline body, the outer surface of the butt joint sleeve is inclined and is mutually attached to the inner wall of the buffer cavity, meanwhile, the sealing ring on the outer surface of the butt joint sleeve is hermetically connected in the annular groove, so that the sealing performance of a butt joint position can be improved, the butt joint sleeve is made of rubber in actual use, and when the pressure in the pipeline acts on the butt joint sleeve, the butt joint sleeve can be pressed towards the buffer cavity, so that the sealing performance is improved, and the bigger the pressure is under the action of an inclined plane, the higher the attaching degree between the butt joint sleeve and the buffer cavity is.
2. According to the utility model, the sealing felt and the mounting groove are mutually clamped in actual use, so that the sealing performance can be further improved, the sealing ring and the sealing groove are matched for sealing and reinforcing, and the main pipeline body is connected with the butt joint pipe through the two connecting flange plates and the locking bolt in butt joint, so that the butt joint strength is higher.
Drawings
Fig. 1 is a schematic diagram of a front view and a perspective view of a high-pressure explosion-proof seamless steel pipe according to the present utility model;
fig. 2 is a schematic cross-sectional perspective view of a high-pressure explosion-proof seamless steel pipe according to the present utility model;
fig. 3 is an enlarged view of the present utility model at a in fig. 2.
Reference numerals: 1. a main pipe body; 2. a connecting flange plate; 3. a locking bolt; 4. a hexagonal bayonet; 5. a lock nut; 6. a butt joint pipe; 7. sealing the felt; 8. sealing grooves; 9. a buffer chamber; 10. an annular groove; 11. a seal ring; 12. a butt joint sleeve; 13. a seal ring; 14. and a mounting groove.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Embodiment 1, as shown in fig. 1-3, the utility model provides a technical scheme of a high-pressure explosion-proof seamless steel pipe: including trunk line body 1, be close to one side edge department between the inner wall of trunk line body 1 and seted up buffer chamber 9, buffer chamber 9's inner wall is slope form and extends to trunk line body 1 axial lead direction, buffer chamber 9's inside is provided with butt joint cover 12, butt joint cover 12's outward appearance is slope form, and laminating each other with buffer chamber 9's inner wall, a plurality of ring grooves 10 have been seted up to buffer chamber 9's inner wall equidistance, the surface equidistance of butt joint cover 12 is fixed with a plurality of sealing rings 13 with sealing connection between the ring groove 10.
The whole embodiment 1 achieves the effects that when the device is used, a buffer cavity 9 with the inner wall inclined to extend towards the axial line direction of the main pipeline body 1 is formed in the main pipeline body 1, a butt joint sleeve 12 is fixed on one side of the main pipeline body 1, the outer surface of the butt joint sleeve 12 is inclined and is mutually attached to the inner wall of the buffer cavity 9, and meanwhile, a sealing ring 13 on the outer surface of the butt joint sleeve 12 is connected in the annular groove 10 in a sealing way, so that the sealing performance of a butt joint part can be improved;
when the butt joint sleeve 12 is made of rubber in actual use, and when the pressure in the pipeline acts on the butt joint sleeve 12, the butt joint sleeve 12 can be pressed towards the buffer cavity 9, so that the tightness of the butt joint sleeve is improved, and the higher the pressure under the action of an inclined plane, the higher the degree of fit between the butt joint sleeve 12 and the buffer cavity 9;
the technical problems that when the seamless steel pipe is used at present, fluid with larger pressure is usually conveyed because of high pressure resistance of the seamless steel pipe, leakage is easy to occur at a butt joint part due to overlarge internal pressure of the seamless steel pipe, and sealing facilities at the butt joint part are impacted by high-strength pressure, so that the sealing performance of the sealing facilities is reduced are solved.
Embodiment 2, as shown in fig. 1-3, one side of the butt joint sleeve 12 is fixed with a butt joint pipe 6, the butt joint pipe 6 is located on one side of the main pipe body 1, the outer surface of the main pipe body 1 is close to one side edge and the outer surface of the butt joint pipe 6 is close to one side edge and is all fixed with a connecting flange plate 2, a plurality of hexagonal bayonets 4 are equidistantly arranged on one side of the connecting flange plate 2 on the main pipe body 1, locking bolts 3 are all arranged in the plurality of hexagonal bayonets 4, locking nuts 5 are connected with the outer surfaces of the plurality of locking bolts 3 in a threaded manner, a mounting groove 14 is arranged on one side of the main pipe body 1, a sealing felt 7 in the mounting groove 14 is fixed on one side of the butt joint pipe 6 in a sealing groove 8 is arranged on one side of the butt joint pipe 6, and a sealing ring 11 in the sealing groove 8 is fixed on one side of the main pipe body 1 in a sealing manner.
The effect that its whole embodiment 2 reached is, through the mutual block of sealing felt 7 and mounting groove 14 when in actual use for can further improve the leakproofness, and seal 11 and seal groove 8 seal the reinforcement, be connected main pipe body 1 and butt joint pipe 6 through two flange plates 2 and locking bolt 3 when the butt joint, make butt joint intensity higher.
Working principle: when using this device, offer the inner wall in the inside of trunk line body 1 and be the buffer chamber 9 that slope form extends to trunk line body 1 axial lead direction, fix the butt joint cover 12 in one side of trunk line body 1, set up the surface of butt joint cover 12 and be the slope form, and laminate each other with the inner wall of buffer chamber 9, simultaneously with the sealing ring 13 sealing connection of butt joint cover 12 surface in the inside of ring channel 10, thereby make the leakproofness that can increase the butt joint department, the butt joint cover 12 adopts rubber to make when in actual use, and when pipeline internal pressure acts on the butt joint cover 12, can press together the butt joint cover 12 to buffer chamber 9, make its leakproofness, the laminating degree between butt joint cover 12 and the buffer chamber 9 is higher under the effect of inclined plane, through the mutual block of sealing felt 7 and mounting groove 14, make can further improve the leakproofness, and cooperation sealing washer 11 and seal groove 8 seal up, be connected the trunk line body 1 with butt joint pipe 6 through two flange plates 2 and locking bolt 3 during the butt joint, make butt joint strength higher.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high pressure explosion-proof seamless steel pipe, includes trunk line body (1), its characterized in that: buffering chamber (9) have been seted up near one side edge between the inner wall of trunk line body (1), the inner wall in buffering chamber (9) is slope form and extends to trunk line body (1) axial lead direction, the inside in buffering chamber (9) is provided with butt joint cover (12), the outward appearance of butt joint cover (12) is slope form, and laminates each other with the inner wall in buffering chamber (9), a plurality of ring grooves (10) have been seted up to the inner wall equidistance in buffering chamber (9), the surface equidistance of butt joint cover (12) is fixed with a plurality of sealing rings (13) with sealing connection between ring groove (10).
2. A high pressure explosion-proof seamless steel pipe according to claim 1, wherein: one side of the butt joint sleeve (12) is fixed with a butt joint pipe (6), and the butt joint pipe (6) is positioned at one side of the main pipeline body (1).
3. A high pressure explosion-proof seamless steel pipe according to claim 2, wherein: the connecting flange plate (2) is fixed at the position of the outer surface of the main pipeline body (1) close to one side edge and the position of the outer surface of the butt joint pipe (6) close to one side edge.
4. A high pressure explosion proof seamless steel pipe according to claim 3, wherein: a plurality of hexagonal bayonets (4) are equidistantly arranged on one side of a connecting flange plate (2) on the main pipeline body (1), and locking bolts (3) are arranged in the hexagonal bayonets (4).
5. A high pressure explosion-proof seamless steel pipe according to claim 4, wherein: the outer surfaces of the locking bolts (3) are in threaded connection with locking nuts (5), a mounting groove (14) is formed in one side of the main pipeline body (1), and a sealing felt (7) in the mounting groove (14) is fixedly connected to one side of the butt joint pipe (6) in a sealing mode.
6. A high pressure explosion proof seamless steel pipe according to claim 5, wherein: a sealing groove (8) is formed in one side of the butt joint pipe (6), and a sealing ring (11) which is connected inside the sealing groove (8) in a sealing way is fixed on one side of the main pipe body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322041471.4U CN220470909U (en) | 2023-08-01 | 2023-08-01 | High-pressure explosion-proof seamless steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322041471.4U CN220470909U (en) | 2023-08-01 | 2023-08-01 | High-pressure explosion-proof seamless steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220470909U true CN220470909U (en) | 2024-02-09 |
Family
ID=89776497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322041471.4U Active CN220470909U (en) | 2023-08-01 | 2023-08-01 | High-pressure explosion-proof seamless steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220470909U (en) |
-
2023
- 2023-08-01 CN CN202322041471.4U patent/CN220470909U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |