CN112032419A

CN112032419A - Prevent rusty seamless steel pipe

Info

Publication number: CN112032419A
Application number: CN202010880765.4A
Authority: CN
Inventors: 李俊东
Original assignee: Dongtai Xinjieke Material Co ltd
Current assignee: Dongtai Xinjieke Material Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2020-12-04

Abstract

The invention discloses a rust-proof seamless steel pipe, which comprises a steel pipe body, wherein connecting sleeves are respectively arranged at two ends of the steel pipe body, a first internal thread sleeve and a second internal thread sleeve are respectively arranged at two ends inside the connecting sleeves, a bearing seat is arranged below the connecting sleeves, a positioning head is welded at the middle part of the top end of the bearing seat, a first external thread head and a second external thread head are respectively arranged at two ends of the steel pipe body, notches are respectively arranged at the outer sides of two ends of the connecting sleeves, an anti-rust sleeve is wrapped at the outer side of the steel pipe body and is matched with the notches of the connecting sleeves, inert gas is filled between the anti-rust sleeve and the steel pipe body, zinc coating layers are respectively plated on the surfaces of the steel pipe body and the connecting sleeves, the rotating directions of the threads of the first internal thread sleeve and the second internal thread sleeve are opposite, so that the rust-proof seamless steel pipe has, and meanwhile, the device is convenient to assemble.

Description

Prevent rusty seamless steel pipe

Technical Field

The invention relates to the technical field of rust prevention of seamless steel pipes, in particular to a rust-preventing seamless steel pipe.

Background

The rust is a chemical reaction, when the iron is left for a long time, the rust can be generated, the iron is easy to generate rust, besides the activity of the iron due to the chemical property, the iron also has a great relationship with the external condition, and the moisture is one of substances which can lead the iron to generate rust easily; however, iron does not rust only with water, and only when oxygen in the air is dissolved in water, oxygen reacts with iron in an environment with water to generate iron oxide, which is rust, which is a brownish red substance that is not as hard as iron and easily falls off, and the volume can swell 8 times after a piece of iron is completely rusted, and if the iron rust is not removed, the spongy iron rust particularly easily absorbs moisture, and the iron also rust more quickly; therefore, rust prevention is important in the field of metal products, and various rust prevention methods are derived, and for the rust prevention method of a seamless steel pipe, a rust prevention layer is often applied to the surface of the steel pipe.

The conventional rustproof seamless steel pipe has the following problems:

at present, the traditional rustproof seamless steel pipe has the problems that the rustproof function is single, and a rustproof layer is easy to scratch off.

Disclosure of Invention

The invention aims to provide a rustproof seamless steel pipe, and aims to solve the problems that the traditional rustproof seamless steel pipe provided in the background art has a single rustproof function, and a rustproof layer is easy to scratch off.

In order to achieve the purpose, the invention provides the following technical scheme: including the steel pipe body, the steel pipe body both ends all are provided with the adapter sleeve, first internal thread cover and second internal thread cover have been seted up respectively at the inside both ends of adapter sleeve, the adapter sleeve below is provided with bears the weight of the seat, it has the location head to bear the welding of seat top middle part, first external screw thread head and second external screw thread head have been seted up respectively to steel pipe body both ends, the notch has all been seted up in the outside at adapter sleeve both ends, the outside parcel of steel pipe has rust-resistant cover, rust-resistant cover with the notch of adapter sleeve cooperatees, be filled with inert gas between rust-resistant cover and the steel pipe body, the galvanizing coat has all been plated on the surface of steel pipe.

Preferably, the first internal thread sleeve and the second internal thread sleeve have opposite thread rotating directions, the first external thread head and the second external thread head have opposite thread rotating directions, the first internal thread sleeve is in thread fit with the second external thread head, and the second internal thread sleeve is in thread connection with the first external thread head.

Preferably, the joints at the two ends of the antirust sleeve, which are respectively connected with the notches, are coated with high-strength structural glue.

Preferably, the mounting surface is equidistantly arranged on the outer side of the connecting sleeve, the middle part of the mounting surface is provided with a limiting hole, and the size of the limiting hole is consistent with that of the cross section of the positioning head.

Preferably, an inflation nozzle is embedded in one side of the top end of the antirust sleeve.

Preferably, the bottom end of the bearing seat is embedded with a zinc block

Compared with the prior art, the invention has the beneficial effects that:

1. when the device is used, firstly, the anti-rust sleeve is sleeved outside the steel pipe body, then the first external thread head on the steel pipe body is in threaded connection with the second internal thread sleeve in the connecting sleeve, then the second external thread head of the other steel pipe body sleeved with the anti-rust sleeve is in threaded connection with the first internal thread sleeve in the connecting sleeve, then the connecting sleeve is rotated to enable the two steel pipe bodies to be connected more firmly, then two ends of the anti-rust sleeve are respectively sleeved on the notch, and meanwhile, high-strength structural glue (such as glass cement and the like) is used for sealing and fixing, so that the device is very convenient and fast to assemble, meanwhile, the steel pipe body can be protected from rusting by the zinc coating, and the anti-rust sleeve can also prevent the zinc coating from being scraped off;

2. according to the invention, through arranging the inflating nozzle, after the steel pipe body is assembled, inert gas is filled between the anti-rusting sleeve and the steel pipe body through the inflating nozzle, then the bearing seat is arranged at the bottom end of the connecting sleeve, the device is erected away from the ground, the inert gas can protect the steel pipe body from rusting, and meanwhile, the anti-rusting sleeve separates the environment causing rusting, so that the anti-rusting effect of the steel pipe is more obvious.

Drawings

FIG. 1 is a schematic structural view of a seamless steel tube for preventing rusting in a vertical section in a front view;

FIG. 2 is a schematic front view of a steel pipe body of a seamless steel pipe for preventing rust according to the present invention;

fig. 3 is a schematic side view of a seamless steel pipe for preventing rust according to the present invention.

In the figure: 1. a steel pipe body; 2. an inert gas; 3. an antirust sleeve; 4. an air charging nozzle; 5. connecting sleeves; 6. a limiting hole; 7. a notch; 8. a first internally threaded sleeve; 9. a bearing seat; 10. a zinc block; 11. high-strength structural adhesive; 12. a zinc coating layer; 13. positioning the head; 14. a second internally threaded sleeve; 15. a first externally threaded head; 16. a second external thread start; 17. and (3) a mounting surface.

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.

Referring to fig. 1-3, the present invention provides a steel pipe body 1, wherein two ends of the steel pipe body 1 are respectively provided with a connecting sleeve 5, two ends of the inside of the connecting sleeve 5 are respectively provided with a first internal thread sleeve 8 and a second internal thread sleeve 14, a bearing seat 9 is arranged below the connecting sleeve 5, a positioning head 13 is welded in the middle of the top end of the bearing seat 9, two ends of the steel pipe body 1 are respectively provided with a first external thread head 15 and a second external thread head 16, the outer sides of two ends of the connecting sleeve 5 are respectively provided with a notch 7, the outer side of the steel pipe body 1 is wrapped with an anti-rust sleeve 3, the anti-rust sleeve 3 is matched with the notch 7 of the connecting sleeve 5, an inert gas 2 is filled between the anti-rust sleeve 3 and the steel pipe body 1, the surfaces of the steel pipe body 1 and the connecting sleeve.

First internal thread cover 8 is opposite with the screw thread direction of rotation of second internal thread cover 14, and the screw thread direction of rotation of first external thread head 15 and second external thread head 16 is opposite, and first

internal thread cover

8 and 16 screw-thread fit of second external thread head, second

internal thread cover

14 and 15 threaded connection of first external thread head, the design can be in the same place many steel pipe body 1 end to end like this for work is convenient high-efficient more.

The joint that 3 both ends of rust-resistant cover are connected with notch 7 respectively all is scribbled high strength structure and is glued 11, and high strength structure glues 11 and makes rust-resistant cover 3 and notch 7 inseparabler link together, plays sealed effect, prevents that inert gas 2 from revealing.

Mounting surfaces 17 are arranged on the outer sides of the connecting sleeves 5 at equal intervals, limiting holes 6 are formed in the middle of the mounting surfaces 17, and the limiting holes 6 are consistent with the cross-sectional sizes of the positioning heads 13, so that the connecting sleeves 5 can be stably contacted with the bearing seats 9.

One side of the top end of the antirust sleeve 3 is inlaid with an inflating nozzle 4, so that the inert gas 2 in the antirust sleeve 3 can be conveniently adjusted to meet different working requirements.

The bottom of the bearing seat 9 is embedded with a zinc block 10, and according to the electric corrosion principle, the zinc block 10 can protect the bearing seat 9 from being corroded.

The working principle is as follows: when the anti-rust sleeve is used, firstly, the anti-rust sleeve 3 is sleeved outside the steel pipe body 1, then a first external thread head 15 on the steel pipe body 1 is in threaded connection with a second internal thread sleeve 14 in the connecting sleeve 5, then a second external thread head 16 of another steel pipe body 1 sleeved with the anti-rust sleeve 3 is in threaded connection with a first internal thread sleeve 8 in the connecting sleeve 5, then the connecting sleeve 5 is rotated to enable the two steel pipe bodies 1 to be connected more firmly, then two ends of the anti-rust sleeve 3 are respectively sleeved on the notches 7, and meanwhile, high-strength structural glue 11 (such as glass cement and the like) is used for sealing and fixing; by arranging the inflating nozzle 4, after the steel pipe body 1 is assembled, inert gas 2 is filled between the anti-rust sleeve 3 and the steel pipe body 1 through the inflating nozzle 4, then the bearing seat 9 is arranged at the bottom end of the connecting sleeve 5, and the device is erected far away from the ground.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides a prevent rusty seamless steel pipe, includes steel pipe body (1), its characterized in that: the two ends of the steel pipe body (1) are respectively provided with a connecting sleeve (5), the two ends inside the connecting sleeve (5) are respectively provided with a first internal thread sleeve (8) and a second internal thread sleeve (14), a bearing seat (9) is arranged below the connecting sleeve (5), a positioning head (13) is welded in the middle of the top end of the bearing seat (9), a first external thread head (15) and a second external thread head (16) are respectively arranged at two ends of the steel pipe body (1), notches (7) are formed in the outer sides of two ends of the connecting sleeve (5), the outer side of the steel pipe body (1) is wrapped with an anti-rust sleeve (3), the anti-rust sleeve (3) is matched with the notch (7) of the connecting sleeve (5), inert gas (2) is filled between the antirust sleeve (3) and the steel pipe body (1), the surfaces of the steel pipe body (1) and the connecting sleeve (5) are plated with zinc coatings (12).

2. The rust-preventive seamless steel pipe according to claim 1, characterized in that: the thread rotating direction of the first internal thread sleeve (8) is opposite to that of the second internal thread sleeve (14), the thread rotating direction of the first external thread head (15) is opposite to that of the second external thread head (16), the first internal thread sleeve (8) is in thread fit with the second external thread head (16), and the second internal thread sleeve (14) is in thread connection with the first external thread head (15).

3. The rust-preventive seamless steel pipe according to claim 2, characterized in that: the joints at the two ends of the antirust sleeve (3) and the notches (7) are respectively coated with high-strength structural adhesive (11).

4. A rust preventive seamless steel pipe according to claim 3, characterized in that: the connecting sleeve is characterized in that mounting surfaces (17) are equidistantly arranged on the outer side of the connecting sleeve (5), a limiting hole (6) is formed in the middle of the mounting surfaces (17), and the limiting hole (6) is consistent with the cross section of the positioning head (13).

5. The rust-preventive seamless steel pipe according to claim 4, wherein: and an inflation nozzle (4) is embedded in one side of the top end of the antirust sleeve (3).

6. The rust-preventive seamless steel pipe according to claim 5, characterized in that: the bottom end of the bearing seat (9) is embedded with a zinc block (10).