CN114857370A - Corrosion-resistant spiral steel pipe - Google Patents
Corrosion-resistant spiral steel pipe Download PDFInfo
- Publication number
- CN114857370A CN114857370A CN202210484685.6A CN202210484685A CN114857370A CN 114857370 A CN114857370 A CN 114857370A CN 202210484685 A CN202210484685 A CN 202210484685A CN 114857370 A CN114857370 A CN 114857370A
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- CN
- China
- Prior art keywords
- steel pipe
- spiral steel
- corrosion
- resistant
- inner ring
- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/02—Rigid pipes of metal
- F16L9/04—Reinforced pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
- F16L58/04—Coatings characterised by the materials used
- F16L58/08—Coatings characterised by the materials used by metal
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention relates to the technical field of spiral steel pipes, and discloses a corrosion-resistant spiral steel pipe which comprises a spiral steel pipe, wherein grooves are formed in two sides of the outer wall of the spiral steel pipe, a plurality of mutually communicated rotary grooves and telescopic cavities are formed between the inner wall and the outer wall of the spiral steel pipe, an inner ring sleeve is rotatably arranged in each rotary groove, and a plurality of magnet bars are embedded in one side of each inner ring sleeve; the invention has simple structure, when butt joint is carried out, the rubber sealing ring is firstly arranged in the groove which is rolled in advance by the spiral steel pipe, then the outer ring sleeve is rotated, the inner ring sleeve can be driven to rotate in the rotating groove, the magnet rod on the surface of the inner ring sleeve can correspond to the telescopic cavity, the slide block can move in the telescopic cavity under the magnetic force of the magnet rod, and the locking block can be driven to abut against the surface of the sealing ring, so the firmness of the sealing ring in the groove can be improved through the locking block, the situation that the sealing ring moves is avoided, and the sealing property of the butt joint of the spiral steel pipe can be improved.
Description
Technical Field
The invention relates to the technical field of spiral steel pipes, in particular to a corrosion-resistant spiral steel pipe.
Background
The spiral steel pipe is a spiral seam steel pipe which is formed by taking a strip steel coil as a raw material, performing extrusion molding at a normal temperature and welding by an automatic double-wire double-sided submerged arc welding process, feeding the strip steel into a pipe welding unit by the spiral steel pipe, rolling the strip steel by a plurality of rollers, gradually rolling the strip steel to form a circular pipe blank with an opening gap, adjusting the pressing amount of an extrusion roller to control the gap of a welding seam to be 1-3 mm, enabling two ends of the welding seam to be flush, coating a protective layer on the surface of the general spiral steel pipe to improve the corrosion resistance, and generally connecting the steel pipes in a flange connection mode and a groove connection mode.
The groove connection is also called as clamp connection, and the application of the groove pipe fitting connection technology enables the complicated pipeline connection process to become simple, rapid and convenient, and the groove connection pipe fitting which has the function of connection sealing mainly comprises three parts: the rubber sealing ring positioned on the inner layer is arranged on the outer side of the connected pipeline and is matched with a groove rolled in advance by the spiral steel pipe, the clamp is buckled on the outer part of the rubber ring, and then the rubber ring is fastened by two bolts.
However, when the conventional spiral steel pipe is connected by the grooves for butt joint, the rubber sealing ring can shift or move when being positioned in the grooves, and therefore the sealing effect of the rubber sealing ring is poor, and the leakage at the butt joint can occur.
Disclosure of Invention
The invention aims to provide a corrosion-resistant spiral steel pipe, which aims to solve the problem that when the traditional spiral steel pipe is connected by a groove for butt joint, and a rubber sealing ring is positioned in the groove, the rubber sealing ring can deviate or move, so that the sealing effect of the rubber sealing ring is poor, and the butt joint can leak.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a corrosion-resistant spiral steel pipe, includes spiral steel pipe, the slot has been seted up to spiral steel pipe outer wall both sides, set up the mutual swivelling chute and the flexible cavity that communicate of a plurality of between spiral steel pipe inner wall and the outer wall, the internal loop cover is installed in the inside rotation of swivelling chute, inlay on one side of the internal loop cover has a plurality of magnet stick, the inside slidable mounting of flexible cavity has the slider, slider one end fixed mounting has the locking piece.
Preferably, the outer ring sleeves are arranged at the inner ring sleeves on two sides of the outer portion of the spiral steel pipe.
Preferably, the outer wall surface of the inner ring sleeve is fixedly connected with a boss, and the width of the boss is smaller than that of the inner ring sleeve.
Preferably, a plurality of connecting bolts are installed on the inner threads of the outer ring sleeve, and a plurality of threaded holes matched with the connecting bolts are formed in the surface of the outer wall of the boss.
Preferably, one end of the locking block, which is far away from the sliding block, is fixedly provided with anti-skidding convex teeth.
Preferably, a plurality of foot pads are adhered to the surface of the outer wall of the outer ring sleeve.
Preferably, the magnet rods are arranged in the same number as the telescopic chambers, and the distance between every two adjacent magnet rods is equal to the distance between every two adjacent telescopic chambers.
Preferably, the slider is specifically made for the magnet material, and the opposite face of magnet stick and slider is like the like pole and repels the state mutually.
Preferably, the groove is communicated with the telescopic chamber, and one end of the locking block penetrates through the telescopic chamber and extends into the groove.
Preferably, the outer end face of the boss is flush with the surface of the spiral steel pipe.
Compared with the prior art, the invention has the beneficial effects that:
the invention has simple structure, when the groove connection is adopted for butt joint, the rubber sealing ring is firstly arranged in the groove pre-rolled by the spiral steel pipe, then the outer ring sleeve is rotated to drive the inner ring sleeve to rotate in the rotating groove, the magnet rod on the surface of the inner ring sleeve corresponds to the telescopic cavity, the slide block can move in the telescopic cavity under the magnetic force of the magnet rod and drive the locking block to abut against the surface of the sealing ring, so the firmness of the sealing ring in the groove can be improved through the locking block, the situation that the sealing ring moves is avoided, the sealing performance of the butt joint of the spiral steel pipe can be improved, the outer ring sleeve is designed to be detachable, after the installation is finished, the outer ring sleeve is only required to be detached, the normal use of the spiral steel pipe cannot be influenced, the outer ring sleeve can also play a supporting role during transportation, and the spiral steel pipe is prevented from directly contacting with the ground, the spiral steel pipe can be prevented from being deformed by collision during transportation.
Drawings
FIG. 1 is a schematic view of the overall structure of a corrosion-resistant spiral steel pipe according to the present invention;
FIG. 2 is a front view of a corrosion resistant spiral steel pipe of the present invention;
FIG. 3 is a schematic structural view of the corrosion-resistant spiral steel pipe of the present invention with the outer ring removed;
FIG. 4 is a schematic view showing the internal structure of the corrosion-resistant spiral steel pipe of the present invention;
FIG. 5 is a schematic structural view of a locking block of the corrosion-resistant spiral steel pipe of the present invention;
FIG. 6 is a schematic view of the inner ring of the corrosion-resistant spiral steel pipe of the present invention;
fig. 7 is an enlarged structural view a of the corrosion-resistant spiral steel pipe of the present invention shown in fig. 4.
In the figure: 10-spiral steel pipe; 11-a rotating trough; 12-a telescoping chamber; 13-a slide block; 14-a locking block; 15-anti-slip convex teeth; 20-a groove; 30-outer ring sleeve; 31-connecting bolts; 40-inner ring sleeve; 41-a threaded hole; 42-a magnetic rod; 43-boss; 50-foot cushion.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a corrosion-resistant spiral steel pipe, including spiral steel pipe 10, the coating of 10 outer walls of spiral steel pipe has zinc-plated corrosion resistant layer, corrosion-resistant advantage has, improve the adaptability of steel pipe to the environment, slot 20 has been seted up to 10 outer wall both sides of spiral steel pipe, set up the swivelling chute 11 and the flexible cavity 12 of eight mutual intercommunications between 10 inner walls of spiral steel pipe and the outer wall, 11 internal rotation in swivelling chute installs inner ring cover 40, inlay on one side of inner ring cover 40 has eight magnet bars 42, the inside slidable mounting of flexible cavity 12 has slider 13, slider 13 one end fixed mounting has locking piece 14, communicate each other between slot 20 and the flexible cavity 12, and 14 one end of locking piece runs through flexible cavity 12 and extends to inside slot 20.
In this embodiment, specifically, the slider 13 is made of a magnet material, and the opposite surfaces of the magnet rod 42 and the slider 13 are in a like-pole repelling state, and the locking is performed by using a magnetic force, so that the locking block 14 can always maintain the locking force without attenuation over time.
Further, before butt joint, the magnet rod 42 is staggered with the telescopic cavity 12, so that the locking block 14 has no acting force of magnetic force, the sealing ring is conveniently placed in the groove 20, when butt joint is performed by groove connection, the rubber sealing ring is placed in the groove 20 rolled in advance by the spiral steel pipe 10, then the outer ring sleeve 30 is rotated, the inner ring sleeve 40 can be driven to rotate in the rotating groove 11, the magnet rod 42 on the surface of the inner ring sleeve 40 can correspond to the telescopic cavity 12, the sliding block 13 can move in the telescopic cavity 12 under the magnetic force of the magnet rod 42, the locking block 14 can be driven to abut against the surface of the sealing ring, and therefore the firmness of the sealing ring in the groove can be improved through the locking block 14.
Wherein, the one end fixed mounting that slider 13 was kept away from to locking piece 14 has anti-skidding dogtooth 15, can improve the frictional force between locking piece 14 and the sealing washer to improve the fastness of sealing washer.
The number of the magnet rods 42 is the same as the number of the telescopic chambers 12, and the distance between two adjacent magnet rods 42 is the same as the distance between two adjacent telescopic chambers 12, so that when the inner ring sleeve 40 rotates one third of the way, the magnet rods 42 correspond to the telescopic chambers 12, and when the inner ring sleeve 40 rotates one third of the way again, the magnet rods 42 are staggered from the telescopic chambers 12.
Wherein, the outer end face of the boss 43 is flush with the surface of the spiral steel pipe 10, and the normal use of the spiral steel pipe 10 is not affected.
In summary of the above embodiments, the firmness of the sealing ring in the groove 20 can be improved by the locking block 14, so that the situation that the sealing ring moves is avoided, and the sealing performance of the spiral steel pipe during butt joint can be improved.
Example 2:
referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a corrosion-resistant spiral steel pipe, including spiral steel pipe 10, the coating of 10 outer walls of spiral steel pipe has zinc-plated corrosion resistant layer, corrosion-resistant advantage has, improve the adaptability of steel pipe to the environment, slot 20 has been seted up to 10 outer wall both sides of spiral steel pipe, set up the swivelling chute 11 and the flexible cavity 12 of eight mutual intercommunications between 10 inner walls of spiral steel pipe and the outer wall, 11 internal rotation in swivelling chute installs inner ring cover 40, 40 one side inlays in the inner ring cover has eight magnet bars 42, the inside slidable mounting of flexible cavity 12 has slider 13, slider 13 one end fixed mounting has locking piece 14.
Further, before butt joint, the magnet rod 42 is staggered with the telescopic cavity 12, so that the locking block 14 has no acting force of magnetic force, the sealing ring is conveniently placed in the groove 20, when butt joint is performed by groove connection, the rubber sealing ring is placed in the groove 20 rolled in advance by the spiral steel pipe 10, then the outer ring sleeve 30 is rotated, the inner ring sleeve 40 can be driven to rotate in the rotating groove 11, the magnet rod 42 on the surface of the inner ring sleeve 40 can correspond to the telescopic cavity 12, the sliding block 13 can move in the telescopic cavity 12 under the magnetic force of the magnet rod 42, the locking block 14 can be driven to abut against the surface of the sealing ring, and therefore the firmness of the sealing ring in the groove can be improved through the locking block 14.
Wherein, the outside both sides of spiral steel pipe 10 are located 40 departments of interior ring cover and are provided with outer ring cover 30, and the design of outer ring cover 30 is detachable, accomplish the installation after, only need with outer ring cover 30 dismantle can, can not influence the normal use of spiral steel pipe 10, when transporting, outer ring cover 30 also can play the supporting role, avoid spiral steel pipe 10 direct and ground contact, then can prevent to receive the collision and make spiral steel pipe warp in the transportation.
Wherein, four connecting bolt 31 are installed to the inside screw thread of outer ring cover 30, and the screw hole 41 of a plurality of and connecting bolt 31 looks adaptation is seted up on boss 43 outer wall surface, can realize being connected between outer ring cover 30 and the interior ring cover 40 through connecting bolt 31, conveniently realizes dismantling and installing outer ring cover 30.
Wherein, outer loop 30 outer wall surface bonding has a plurality of pad foot 50, and pad foot 50 is the rubber material, can improve outer loop 30's cushioning nature.
As described in the above embodiments, the outer ring 30 can also support the spiral steel tube 10 during transportation, so as to prevent the spiral steel tube from being deformed due to collision during transportation.
In the several embodiments provided in the present invention, it should be understood that the disclosed apparatus may be implemented in other ways. The welding or screwing or winding of the parts to be welded or screwed together as shown or discussed can be assisted by means of devices such as welding torches, screwing with wrenches, etc., and the parts of the device can be made of various materials, such as metal materials, for example, aluminum alloys, steel and copper, by casting or by mechanical stamping.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a corrosion-resistant spiral steel pipe, includes spiral steel pipe (10), slot (20), its characterized in that have been seted up to spiral steel pipe (10) outer wall both sides: the utility model discloses a spiral steel pipe, including spiral steel pipe (10), the mutual swivelling chute (11) and the flexible cavity (12) that communicate of a plurality of have been seted up between inner wall and the outer wall of spiral steel pipe (10), inner ring cover (40) are installed in swivelling chute (11) inside rotation, inlay in inner ring cover (40) one side and have a plurality of magnet stick (42), flexible cavity (12) inside slidable mounting has slider (13), slider (13) one end fixed mounting has locking piece (14).
2. A corrosion-resistant spiral steel pipe as claimed in claim 1, wherein: and outer ring sleeves (30) are arranged at the positions, located on the inner ring sleeves (40), of the two sides of the outer part of the spiral steel pipe (10).
3. A corrosion-resistant spiral steel pipe as claimed in claim 2, wherein: the outer wall surface of the inner ring sleeve (40) is fixedly connected with a boss (43), and the width of the boss (43) is smaller than that of the inner ring sleeve (40).
4. A corrosion-resistant spiral steel pipe as claimed in claim 2, wherein: a plurality of connecting bolts (31) are installed in the outer ring sleeve (30) through threads, and a plurality of threaded holes (41) matched with the connecting bolts (31) are formed in the surface of the outer wall of the boss (43).
5. A corrosion-resistant spiral steel pipe as claimed in claim 1, wherein: and one end of the locking block (14) far away from the sliding block (13) is fixedly provided with anti-skidding convex teeth (15).
6. A corrosion-resistant spiral steel pipe as claimed in claim 2, wherein: the outer wall surface of the outer ring sleeve (30) is adhered with a plurality of foot pads (50).
7. A corrosion-resistant spiral steel pipe as claimed in claim 1, wherein: the magnet bars (42) are arranged in the same number as the telescopic chambers (12), and the distance between every two adjacent magnet bars (42) is the same as the distance between every two adjacent telescopic chambers (12).
8. A corrosion-resistant spiral steel pipe as claimed in claim 1, wherein: the sliding block (13) is made of a magnet material, and the opposite surfaces of the magnet rod (42) and the sliding block (13) are in a state of like poles repelling each other.
9. A corrosion-resistant spiral steel pipe as claimed in claim 1, wherein: the groove (20) is communicated with the telescopic chamber (12), and one end of the locking block (14) penetrates through the telescopic chamber (12) and extends into the groove (20).
10. A corrosion-resistant spiral steel pipe as claimed in claim 3, wherein: the outer end face of the boss (43) is flush with the surface of the spiral steel pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210484685.6A CN114857370A (en) | 2022-05-06 | 2022-05-06 | Corrosion-resistant spiral steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210484685.6A CN114857370A (en) | 2022-05-06 | 2022-05-06 | Corrosion-resistant spiral steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114857370A true CN114857370A (en) | 2022-08-05 |
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ID=82634836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210484685.6A Pending CN114857370A (en) | 2022-05-06 | 2022-05-06 | Corrosion-resistant spiral steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114857370A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2844393A (en) * | 1954-05-12 | 1958-07-22 | Gits Bros Mfg Co | Shaft seal with radially compacting sealing surfaces |
| JP2001099372A (en) * | 1999-09-27 | 2001-04-10 | Okuma Corp | Rotary coupling |
| CN2723804Y (en) * | 2004-07-05 | 2005-09-07 | 四川省机械研究设计院 | Low temperature swelling magnetic seal rotary joint |
| CN211010262U (en) * | 2019-12-03 | 2020-07-14 | 山西康耐特科技有限公司 | Small-pipe-diameter galvanized steel pipe groove type connecting structure |
| CN111844727A (en) * | 2020-06-23 | 2020-10-30 | 哈尔滨鼎智瑞光科技有限公司 | 3D printer printing nozzle convenient to replace |
| CN112268158A (en) * | 2020-11-06 | 2021-01-26 | 江苏恒达工程检测有限公司 | Telescopic safety protection cylinder for pipeline repair |
| CN112923143A (en) * | 2021-01-20 | 2021-06-08 | 温州恒寅贸易有限公司 | Can be according to chain clamp of construction size automatic change fastening size |
| CN214146916U (en) * | 2020-11-27 | 2021-09-07 | 潍坊鲁林机械有限公司 | Slot pipe fitting easy to assemble |
| CN215721339U (en) * | 2021-08-09 | 2022-02-01 | 天津博爱管道科技集团有限公司 | Corrosion-resistant spiral steel pipe |
| CN114165663A (en) * | 2021-11-10 | 2022-03-11 | 张力 | Pneumatic quick joint with good sealing effect |
-
2022
- 2022-05-06 CN CN202210484685.6A patent/CN114857370A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2844393A (en) * | 1954-05-12 | 1958-07-22 | Gits Bros Mfg Co | Shaft seal with radially compacting sealing surfaces |
| JP2001099372A (en) * | 1999-09-27 | 2001-04-10 | Okuma Corp | Rotary coupling |
| CN2723804Y (en) * | 2004-07-05 | 2005-09-07 | 四川省机械研究设计院 | Low temperature swelling magnetic seal rotary joint |
| CN211010262U (en) * | 2019-12-03 | 2020-07-14 | 山西康耐特科技有限公司 | Small-pipe-diameter galvanized steel pipe groove type connecting structure |
| CN111844727A (en) * | 2020-06-23 | 2020-10-30 | 哈尔滨鼎智瑞光科技有限公司 | 3D printer printing nozzle convenient to replace |
| CN112268158A (en) * | 2020-11-06 | 2021-01-26 | 江苏恒达工程检测有限公司 | Telescopic safety protection cylinder for pipeline repair |
| CN214146916U (en) * | 2020-11-27 | 2021-09-07 | 潍坊鲁林机械有限公司 | Slot pipe fitting easy to assemble |
| CN112923143A (en) * | 2021-01-20 | 2021-06-08 | 温州恒寅贸易有限公司 | Can be according to chain clamp of construction size automatic change fastening size |
| CN215721339U (en) * | 2021-08-09 | 2022-02-01 | 天津博爱管道科技集团有限公司 | Corrosion-resistant spiral steel pipe |
| CN114165663A (en) * | 2021-11-10 | 2022-03-11 | 张力 | Pneumatic quick joint with good sealing effect |
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