CN217784493U - Reinforced carbon steel seamless steel pipe - Google Patents
Reinforced carbon steel seamless steel pipe Download PDFInfo
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- CN217784493U CN217784493U CN202221604720.5U CN202221604720U CN217784493U CN 217784493 U CN217784493 U CN 217784493U CN 202221604720 U CN202221604720 U CN 202221604720U CN 217784493 U CN217784493 U CN 217784493U
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- connecting pipe
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Abstract
The utility model provides a reinforced carbon steel seamless steel pipe, which belongs to the technical field of seamless steel pipes and comprises two steel pipe bodies, wherein one side of the two steel pipe bodies, which is close to each other, is provided with an internal connecting groove and a flange part, connecting pipes are arranged in the two internal connecting grooves, an internal core pipe is arranged between the two connecting pipes, the internal core pipe is positioned in the two connecting pipes, the two connecting pipes are detachably connected with the internal core pipe, the two connecting pipes are provided with first sealing components, and a second sealing component is arranged between the two flange parts; first sealing washer, second sealing washer and the triple seal combination formula installation of third sealing washer, every structure all sets up seal structure, can effectively improve the leakproofness, reduces the possibility emergence of leaking, and after fixed mounting, the fourth sealing washer receives two corrosion-resistant piece extrusion effects, further strengthens the leakproofness, and the setting of corrosion-resistant piece can avoid the junction of flange portion to corrode increase of service life moreover.
Description
Technical Field
The utility model belongs to the technical field of seamless steel pipe, concretely relates to strenghthened type carbon steel seamless steel pipe.
Background
A seamless pipe is a long steel material having a hollow cross section and no seam at the periphery, and is generally used to ensure strength and a crush test. Delivering the hot-rolled steel pipe in a hot-rolled state or a heat-treated state; the cold rolling is delivered in a heat-treated state. Seamless pipe for low and medium pressure boiler: the method is used for manufacturing various low and medium pressure boilers, superheated steam pipes, boiling water pipes, water wall pipes, superheated steam pipes, large smoke pipes, small smoke pipes, arch brick pipes and the like for locomotive boilers.
The patent document who discloses some have seamless steel pipe among the prior art, chinese patent with application number CN201821111484.7 discloses an alloy seamless steel pipe, including tubular product, the inside of tubular product contains silicon nitride ceramic layer, tungsten steel fiber layer, high carbon steel layer, manganese steel layer, titanium steel alloy layer, carbon fiber polymerization layer and baking finish glass layer, the inboard on tungsten steel fiber layer is bonded in the outside of silicon nitride ceramic layer, the inboard on high carbon steel layer is bonded in the outside of tungsten steel fiber layer, the inboard on manganese steel layer is bonded in the outside of high carbon steel layer.
The carbon steel seamless steel tube is a common tube in the manufacturing industry and industry, cracks are not easy to generate in the carbon steel seamless steel tube, the carbon steel seamless steel tubes are generally connected through flanges, leakage is most easily generated at the connection position of the flanges, economic loss is caused, and life safety of workers is influenced, so that the reinforced carbon steel seamless steel tube is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a strenghthened type carbon steel seamless steel pipe aims at solving and generally connects through the flange between the common carbon steel seamless steel pipe among the prior art, is the condition emergence that produces the leakage most easily in the junction of its flange, causes economic loss, influences staff's life safety's problem.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a strenghthened type carbon steel seamless steel pipe, includes two steel pipe bodies, two one side that is close to mutually of steel pipe body all is provided with inscription groove and flange portion, two the inscription inslot all is provided with the connecting pipe, two be provided with the inner core pipe between the connecting pipe, the inner core pipe is located two connecting pipes, two the connecting pipe all can be dismantled with the inner core pipe and be connected, two all be provided with first seal assembly, two on the connecting pipe be provided with second seal assembly between the flange portion.
As an optimized scheme of the utility model, every group first seal assembly includes first sealing washer and second sealing washer, the circumferential surface of connecting pipe is located to first sealing washer cover, the second sealing washer is located the one end that connecting pipe and inner core pipe are close to mutually.
As a preferred scheme of the utility model, the second seal assembly includes fourth sealing washer and two corrosion-resistant pieces, two the one end that the flange is close to mutually all is provided with the recess, fourth sealing washer and two corrosion-resistant pieces all are located between two recesses, the fourth sealing washer is located between two corrosion-resistant pieces.
As an optimized scheme of the utility model, the circumferential surface cover of inner core pipe is equipped with two third sealing washers, two the third sealing washer is located one of them internal connection inslot respectively.
As a preferred scheme of the utility model, two the equal fixedly connected with of inner wall in internal connection groove docks the piece, two one side that the connecting pipe is close to the butt joint piece all is provided with butt joint groove, every the activity of butt joint piece is pegged graft in the butt joint inslot that is close to mutually.
As a preferred scheme of the utility model, two one side that the connecting pipe is close to the inner core pipe all is provided with internal thread portion, the both ends of inner core pipe all are provided with external screw thread portion, two external screw thread portion threaded connection respectively is in one of them internal thread portion.
As an optimized proposal of the utility model, the inner wall of the inner core tube is polished and coated with corrosion-resistant paint.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this scheme second sealing washer is located between inner core pipe and the connecting pipe, receive the radial pressure between inner core pipe and the connecting pipe, the leakproofness has between keeping inner core pipe and the connecting pipe, first sealing washer is located the surface of connecting pipe, gap to between connecting pipe and the inscription inslot wall seals, two third sealing washers are located two inscription inslots, a circumference surface and inscription inslot wall between a sealed inner core pipe are sealed, first sealing washer, the triple seal combination formula installation of second sealing washer and third sealing washer, every structure all sets up seal structure, can effectively improve the leakproofness, reduce the possibility emergence of leaking.
2. Two corrosion-resistant pieces of this scheme and fourth sealing washer all are located two recesses, and bolt fixed connection is passed through to two flange portions, and after fixed mounting, the fourth sealing washer receives two corrosion-resistant piece extrusion effects, provides the fourth sealing washer with radial pressure, further strengthens the leakproofness, increases one deck insurance structure, and the setting of corrosion-resistant piece can avoid the junction of flange portion to corrode increase of service life moreover.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of the explosion structure of the present invention;
FIG. 3 is a schematic sectional view of the present invention;
fig. 4 is a schematic view of the connection structure of the inner core tube according to the present invention.
In the figure: 1. a steel pipe body; 2. an interconnecting slot; 3. a butt joint block; 4. a connecting pipe; 5. a butt joint groove; 6. a first seal ring; 7. an inner core tube; 8. an internal thread portion; 9. an external threaded portion; 10. a second seal ring; 11. a third seal ring; 12. a flange portion; 13. a groove; 14. a corrosion resistant sheet; 15. and a fourth sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.
Examples
Referring to fig. 1 to 4, the technical solution provided by the present embodiment is as follows:
the utility model provides a strenghthened type carbon steel seamless steel pipe, including two steel pipe bodies 1, one side of being close to mutually of two steel pipe bodies 1 all is provided with internal groove 2 and flange portion 12, all be provided with connecting pipe 4 in two internal groove 2, be provided with inner core pipe 7 between two connecting pipes 4, inner core pipe 7 is located two connecting pipes 4, two connecting pipes 4 all can be dismantled with inner core pipe 7 and be connected, all be provided with first seal assembly on two connecting pipes 4, be provided with second seal assembly between two flange portions 12.
In the embodiment of the present invention, the inner core tube 7 is located in the two inner connecting grooves 2, the inner wall of the inner connecting groove 2 is provided with the butt-joint block 3, when the connecting tube 4 is installed, the butt-joint block 3 is inserted into the butt-joint groove 5, the connecting tube 4 cannot rotate under the limiting action of the butt-joint block 3, then the inner core tube 7 is installed, so that the outer thread part 9 is in threaded connection with the inner thread part 8, the structure is reasonable, the installation method is simple, after the installation is completed, the second sealing ring 10 is located between the inner core tube 7 and the connecting tube 4, and receives the radial pressure between the inner core tube 7 and the connecting tube 4, so as to maintain the sealing performance between the inner core tube 7 and the connecting tube 4, the first sealing ring 6 is located on the surface of the connecting tube 4, and seals the gap between the connecting tube 4 and the inner wall of the inner connecting groove 2, and the two third sealing rings 11 are located in the two inner connecting grooves 2, A sealed between 2 inner walls of inscribe groove for sealing the circumferential surface of inner core pipe 7, first sealing washer 6, the triple seal combination formula installation of second sealing washer 10 and third sealing washer 11, every structure all sets up seal structure, can effectively improve the leakproofness, reduce the possibility of leaking and take place, two corrosion-resistant pieces 14 and fourth sealing washer 15 all are located two recesses 13, two flange portion 12 are through bolt fixed connection, after fixed mounting, fourth sealing washer 15 receives two corrosion-resistant piece 14 extrusion effects, provide fourth sealing washer 15 with radial pressure, further strengthen the leakproofness, increase one deck insurance structure, and corrosion-resistant piece 14's setting, can avoid the junction of flange portion 12 to corrode, and service life is prolonged.
Specifically, each group of first sealing assemblies comprises a first sealing ring 6 and a second sealing ring 10, the first sealing ring 6 is sleeved on the circumferential surface of the connecting pipe 4, and the second sealing ring 10 is located at one end, close to the connecting pipe 4 and the inner core pipe 7, of the connecting pipe.
The utility model discloses an in the embodiment, first sealing washer 6 is located the contact surface of connecting pipe 4 and internal groove 2 inner wall, seals the gap between connecting pipe 4 and internal groove 2, and second sealing washer 10 is located the contact surface that connecting pipe 4 and inner core pipe 7 are connected, seals the gap between connecting pipe 4 and the inner core pipe 7, and two-layer sealed mode improves sealed effect.
Specifically, the second seal assembly includes a fourth seal ring 15 and two corrosion-resistant sheets 14, the end that two flange portions 12 are close to each other is provided with a groove 13, the fourth seal ring 15 and two corrosion-resistant sheets 14 are located between two grooves 13, and the fourth seal ring 15 is located between two corrosion-resistant sheets 14.
In the embodiment of the present invention, after the position of the two flange portions 12 is fixed, the two grooves 13 form a sealing space, the two corrosion-resistant sheets 14 and the fourth sealing ring 15 are both located in the sealing space, and the fourth sealing ring 15 can receive the radial pressure of the two corrosion-resistant sheets 14, so as to provide a sufficient sealing effect, and the corrosion-resistant sheets 14 are located on both sides of the fourth sealing ring 15, so as to avoid the corrosion of the joint of the flange portions 12.
Specifically, the circumferential surface of the inner core tube 7 is sleeved with two third sealing rings 11, and the two third sealing rings 11 are respectively located in one of the interconnecting grooves 2.
In the embodiment of the present invention, two third sealing rings 11 are located on the surface of the inner core tube 7, so that the inner core tube 7 and the inner walls of the two inner connecting grooves 2 receive the sealing effect of the third sealing rings 11, and the sealing performance is further enhanced.
Specifically, the equal fixedly connected with of inner wall in two internal connection grooves 2 is to piecing together piece 3, and two connecting pipes 4 all are provided with butt joint groove 5 near one side of piecing together piece 3, and every butt joint piece 3 activity is pegged graft in the butt joint groove 5 that is close to mutually.
The utility model discloses an in the embodiment, connecting pipe 4 can slide in the internal connection groove 2 during installation, aims at butt joint piece 3 and makes it insert in butt joint groove 5, and connecting pipe 4 can't rotate this moment, and butt joint piece 3 is provided with two at least, provides to block that connecting pipe 4 rotates sufficient resistance and structural strength.
Specifically, one side of each of the two connecting pipes 4 close to the inner core pipe 7 is provided with an internal threaded portion 8, two ends of the inner core pipe 7 are provided with external threaded portions 9, and the two external threaded portions 9 are respectively in threaded connection with one of the internal threaded portions 8.
In the embodiment of the present invention, under the blocking effect of the butt-joint block 3, the connecting pipe 4 cannot rotate, the external thread portion 9 can be screwed into the internal thread portion 8, and in the process of gradually screwing up, the second sealing ring 10 receives the radial acting force of the inner core pipe 7 and the connecting pipe 4, and the joint of the inner core pipe 7 and the connecting pipe 4 is sealed.
Specifically, the inner wall of the inner core tube 7 is polished and sprayed with a corrosion-resistant coating.
The utility model discloses an in the embodiment, the inner wall of inner core pipe 7 is smooth, and behind the external pipeline, it is more smooth and easy that mobile gas or liquid, and the setting of corrosion-resistant coating can reduce corruption increase of service life.
The working principle is as follows: when the connecting pipe 4 is installed, the butt joint block 3 is inserted into the butt joint groove 5, under the limiting action of the butt joint block 3, the connecting pipe 4 cannot rotate, then the inner core pipe 7 is installed, so that the external thread part 9 is in threaded connection with the inner thread part 8, the structure is reasonable, the installation method is simple, after the installation is completed, the second sealing ring 10 is located between the inner core pipe 7 and the connecting pipe 4, and radial pressure between the inner core pipe 7 and the connecting pipe 4 is received, the sealing performance between the inner core pipe 7 and the connecting pipe 4 is maintained, the first sealing ring 6 is located on the surface of the connecting pipe 4, a gap between the inner wall of the connecting pipe 4 and the inner wall of the inner connecting groove 2 is sealed, the two third sealing rings 11 are located in the two inner connecting grooves 2 and used for sealing between the circumferential surface of the inner core pipe 7 and the inner wall of the inner connecting groove 2, the first sealing ring 6, the second sealing ring 10 and the third sealing ring 11 are installed in a triple sealing combined mode, each structure is provided with a sealing structure, the sealing performance can be effectively improved, the possibility of leakage is reduced, the two corrosion-resistant sealing rings 14 and the corrosion-resistant sealing effect is further increased by the corrosion-resistant sealing ring 15, and the corrosion-resistant sealing effect of the corrosion-resistant sealing ring 15, the corrosion-resistant sealing effect of the flange-resistant sealing structure is further provided, and the corrosion-resistant sealing effect-resistant sealing ring 15, and the life-resistant sealing effect-enhanced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. 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 (7)
1. The utility model provides a strenghthened type carbon steel seamless steel pipe, includes two steel pipe bodies (1), its characterized in that, two steel pipe body (1) be close to one side mutually and all be provided with in-connection groove (2) and flange portion (12), two all be provided with connecting pipe (4), two in-connection groove (2) be provided with inner core pipe (7) between connecting pipe (4), inner core pipe (7) are located two connecting pipe (4), two connecting pipe (4) all can be dismantled with inner core pipe (7) and be connected, two all be provided with first seal assembly, two on connecting pipe (4) be provided with second seal assembly between flange portion (12).
2. The reinforced carbon steel seamless steel tube of claim 1, characterized in that: every group first seal assembly includes first sealing washer (6) and second sealing washer (10), the circumferential surface of connecting pipe (4) is located to first sealing washer (6) cover, second sealing washer (10) are located connecting pipe (4) and the one end that inner core pipe (7) are close to mutually.
3. The reinforced carbon steel seamless steel tube of claim 2, characterized in that: the second seal assembly comprises a fourth seal ring (15) and two corrosion-resistant sheets (14), two grooves (13) are formed in one ends, close to the flange portions (12), of the flange portions, the fourth seal ring (15) and the two corrosion-resistant sheets (14) are located between the two grooves (13), and the fourth seal ring (15) is located between the two corrosion-resistant sheets (14).
4. The reinforced seamless carbon steel tube according to claim 3, wherein the reinforced seamless carbon steel tube comprises: the circumference surface cover of inner core pipe (7) is equipped with two third sealing washer (11), two third sealing washer (11) are located one of them internal groove (2) respectively.
5. The reinforced carbon steel seamless steel tube of claim 4, characterized in that: the inner walls of the two internal connection grooves (2) are fixedly connected with butt connection blocks (3), one side, close to the butt connection blocks (3), of each of the two connection pipes (4) is provided with a butt connection groove (5), and each butt connection block (3) is movably inserted into the corresponding butt connection groove (5).
6. The reinforced seamless carbon steel tube according to claim 5, wherein: two one side that connecting pipe (4) are close to inner core pipe (7) all is provided with internal thread portion (8), the both ends of inner core pipe (7) all are provided with external screw thread portion (9), two external screw thread portion (9) threaded connection respectively in one of them internal thread portion (8).
7. The reinforced seamless carbon steel tube according to claim 6, wherein: the inner wall of the inner core pipe (7) is polished and is sprayed with corrosion-resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221604720.5U CN217784493U (en) | 2022-06-26 | 2022-06-26 | Reinforced carbon steel seamless steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221604720.5U CN217784493U (en) | 2022-06-26 | 2022-06-26 | Reinforced carbon steel seamless steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217784493U true CN217784493U (en) | 2022-11-11 |
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ID=83936620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221604720.5U Active CN217784493U (en) | 2022-06-26 | 2022-06-26 | Reinforced carbon steel seamless steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217784493U (en) |
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2022
- 2022-06-26 CN CN202221604720.5U patent/CN217784493U/en active Active
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