CN214274751U

CN214274751U - Double-layer seamless steel pipe

Info

Publication number: CN214274751U
Application number: CN202022125782.5U
Authority: CN
Inventors: 王顺华
Original assignee: Sichuan Tianyingxing Aviation Technology Co ltd
Current assignee: Sichuan Tianyingxing Aviation Technology Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-09-24
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a double-layer seamless steel pipe, which comprises an outer pipe, wherein an inner pipe is arranged inside the outer pipe, the outer surface of the inner pipe is fixedly connected with a reinforcing rib, the other end of the reinforcing rib is fixedly connected with the inner surface of the outer pipe, the surfaces of the two sides of the outer pipe are fixedly connected with a first mounting block, the surface of the left side bottom of the outer pipe is fixedly connected with a first limiting block, the left side wall of the outer pipe is provided with a first sealing gasket, the surface of the left side top of the outer pipe is fixedly connected with a second limiting block, the upper surfaces of the two sides of the top of the outer pipe are fixedly connected with a second fixing block, and the upper end of the right side wall of the outer pipe is fixedly connected with a first limiting rod, the steel pipe cannot be easily broken, and the service life of the steel pipe is effectively prolonged.

Description

Double-layer seamless steel pipe

Technical Field

The utility model relates to a seamless steel pipe technical field specifically is a double-deck seamless steel pipe.

Background

With the improvement of living standard, most of mechanical equipment in processing and transportation industries have extremely high requirements on safety and reliability of equipment materials, and the original common stainless steel material and processing technology are unlikely to meet the requirements on safety and reliability of modern industrial environment in industries such as logistics and the like. Seamless steel pipes have a hollow cross section and are used in large numbers as pipes for transporting fluids, such as oil, gas, water and certain solid materials. Compared with solid steel such as round steel, the steel pipe has the advantages of same bending strength and torsion strength and lighter weight, is steel with an economic section, is widely used for manufacturing structural parts and mechanical parts, such as petroleum drill pipes, automobile transmission shafts, bicycle frames, steel scaffold used in building construction and the like, and is widely manufactured by using the steel pipe, so that the material utilization rate can be improved, the manufacturing process is simplified, the material and the processing time are saved, and the steel pipe is widely used for manufacturing. At present, the market application of seamless steel pipes is more and more extensive, and the seamless steel pipes relate to the aspects of production and life, most of the existing seamless steel pipes are hollow pipes, and the general environment can be met, but in some special occasions, such as roads, tunnels, bridge engineering and the like, the common seamless steel pipes have insufficient strength, small bearing capacity and easy breakage.

Patent No. 201320212542.6 discloses a double-deck seamless steel pipe, its characterized in that: the structure is a large steel pipe with a large diameter, a small steel pipe with a small diameter is coaxially arranged in the large steel pipe, a hollow layer is arranged between the large steel pipe and the small steel pipe, and a plurality of vent holes are sequentially formed in the small steel pipe. The hollow layer structure is formed by connecting the head and the tail of a large steel pipe and a small steel pipe, and the middle positions of the large steel pipe and the small steel pipe are not contacted. After the technical scheme is adopted: the bearing capacity of the steel pipe is enhanced to a certain extent by adopting two layers of steel pipes, and the situations of bending and breaking are not easy to occur.

The double-layer seamless steel tube device in the prior art has the following defects: 1. the steel pipe does not have a reinforcing structure, is not enough in strength, small in bearing capacity and easy to break, does not have a mounting structure, is inconvenient to mount, is not corrosion-resistant, and is short in service life, and therefore the double-layer seamless steel pipe is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double-deck seamless steel pipe has mounting structure and conveniently installs, can consolidate the steel pipe body simultaneously, and it is stronger to effectively improve steel pipe overall structure intensity for the steel pipe bearing capacity is big, can not split easily, effectively improves the life of steel pipe.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a double-deck seamless steel pipe, includes the outer tube, internally mounted has the inner tube, the outer fixed surface of inner tube is connected with strengthening rib and the strengthening rib other end and the inside fixed connection of outer tube, the equal fixedly connected with first installation piece of outer tube both sides lower surface, the first stopper of outer tube left side bottom internal surface fixedly connected with, the outer tube left side wall is provided with first sealed the pad, outer tube left side top internal surface fixedly connected with second stopper, the equal fixedly connected with second fixed block of outer tube top both sides upper surface, the first gag lever post of outer tube right side wall upper end fixedly connected with, outer tube right side wall surface is provided with the sealed pad of second, outer tube right side wall lower extreme fixedly connected with second gag lever post.

As an optimal implementation mode of the utility model, first installation piece and second fixed block are inside all to have seted up the installation screw and the installation screw has a plurality ofly, first stopper and the inside spacing hole of all having seted up of second stopper.

As a preferred embodiment of the present invention, the outer surface of the outer tube is provided with an anti-corrosion layer.

As a preferred embodiment of the present invention, the aperture of the limiting hole is matched with the size of the first limiting rod and the second limiting rod.

As a preferred embodiment of the present invention, the anti-corrosion layer is made of an epoxy resin anticorrosive paint.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the inner pipe is arranged in the outer pipe, a plurality of reinforcing ribs are fixed on the outer surface of the inner pipe, the other ends of the reinforcing ribs are fixed with the inner surface of the outer pipe, the outer pipe and the inner pipe can be stably fixed together through the plurality of reinforcing ribs, the integral structural strength is strong, the bearing capacity is high, the steel pipes cannot be easily broken, the service life of the steel pipes is effectively prolonged, meanwhile, a second fixing block and a first mounting block are respectively fixed on the two sides of the upper surface and the lower surface of the outer pipe, mounting screw holes are respectively formed in the second fixing block and the first mounting block, fixing bolts penetrate through the mounting screw holes to conveniently fix the two steel pipes together, meanwhile, a first limiting block and a second limiting block are respectively fixed on the lower surface and the upper surface of the inner part at the left side of the outer pipe, limiting holes are respectively formed in the first limiting block and the second limiting block, and a first limiting rod and a second limiting rod are respectively fixed on the upper surface and the lower surface of the inner part of the right side wall of the outer pipe, the diameters of the first limiting rod and the second limiting rod are matched with the diameter of the limiting hole, when the two limiting rods are connected, the first limiting rod and the second limiting rod can enter the second limiting block and the inner wall of the limiting hole of the first limiting block respectively, the surfaces can deviate through the mutual matching of the first limiting rod and the second limiting rod, the installation is convenient, meanwhile, the left side wall and the right side wall of the outer pipe are respectively provided with a first sealing gasket and a second sealing gasket, the joint of the steel pipes can be sealed through the first sealing gasket and the second sealing gasket, the steel pipes can be tightly connected together, the later use is convenient, meanwhile, the surface of the outer pipe is provided with an anti-corrosion layer which is epoxy resin anticorrosive paint, and the epoxy resin anticorrosive paint contains hydroxyl and ether bonds with high polarity in the molecular structure of epoxy resin, so that the prepared anticorrosive paint has the characteristics of good chemical resistance, good alkali resistance and better heat-alkali resistance medium resistance, the anti-corrosion layer made of the epoxy resin anti-corrosion coating enables the outer pipe to have high corrosion resistance, and the outer pipe cannot be corroded after long-term use, so that the service life of the steel pipe is effectively prolonged.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of a double-layer seamless steel pipe of the present invention;

FIG. 2 is a schematic structural diagram of a side view of a double-layer seamless steel pipe according to the present invention;

fig. 3 is a schematic structural diagram of an anti-corrosion layer of a double-layer seamless steel pipe according to the present invention.

In the figure: 1. an outer tube; 2. an inner tube; 3. reinforcing ribs; 4. a first mounting block; 5. a first stopper; 6. a first gasket; 7. a second limiting block; 8. a second fixed block; 9. A first limit rod; 10. a second gasket; 11. a second limiting rod; 12. mounting a screw hole; 13. a limiting hole; 14. and an anti-corrosion layer.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a double-deck seamless steel pipe, includes

outer tube

1, 1 internally mounted of outer tube has

inner tube

2, 2 outer fixed surface of inner tube are connected with 3 and 3 other ends of strengthening rib and 1 interior fixed surface of outer tube and are connected, 1 both sides lower surface of outer tube is the first installation piece 4 of equal fixedly connected with, 1 left side of outer tube is interior fixed surface and is connected with first stopper 5, 1 left side wall of outer tube is provided with first sealed 6 that fills up, 1 left side of outer tube is interior fixed surface and is connected with

second stopper

7, 1 top both sides upper surface of outer tube is the equal fixedly connected with second fixed

block

8, 1 right side wall of outer tube upper end fixedly connected with first gag lever post 9, 1 right side wall surface of outer tube is provided with the sealed 10 that fills up of second, 1 right side wall lower end fixedly connected with.

In this embodiment (please refer to fig. 1), the steel pipe is conveniently mounted through the first mounting block 4 and the second fixing block 8, and the steel pipe body can be reinforced through the reinforcing ribs 3, so that the overall structural strength of the steel pipe is effectively improved, the steel pipe has high bearing capacity, the steel pipe cannot be easily broken, and the service life of the steel pipe is effectively prolonged.

Wherein, first installation piece 4 and second fixed block 8 are inside all seted up installation screw 12 and installation screw 12 has a plurality ofly, first stopper 5 and second stopper 7 are inside all seted up spacing hole 13.

In this embodiment (see fig. 2), two steel pipes are conveniently fixed together by the fixing bolt passing through the mounting screw hole 12, and the fixing bolt is conveniently mounted by the mounting screw holes 12 on the first mounting block 8 and the second fixing block 4 being matched with each other.

Wherein the outer surface of the outer tube 1 is provided with an anti-corrosion layer 14.

In this embodiment (see fig. 3), the outer tube 1 has high corrosion resistance through the corrosion-resistant layer 14, and is not corroded after long-term use, so that the service life of the steel tube is effectively prolonged.

The aperture size of the limiting hole 13 is matched with the size of the first limiting rod 9 and the second limiting rod 11.

In this embodiment (please refer to fig. 1), when two of the first and second limiting rods 9 and 11 are connected, the two limiting rods enter the second limiting block 7 and the inner wall of the limiting hole 13 of the first limiting block 5, and the surfaces of the two limiting rods can deviate due to the mutual cooperation of the three, so that the installation is convenient.

Wherein, the anti-corrosion layer 14 is made of epoxy resin anticorrosive paint.

In this embodiment (see fig. 3), the epoxy resin anticorrosive coating contains hydroxyl and ether bond with high polarity in the molecular structure of the epoxy resin, so that the prepared anticorrosive coating has the characteristics of good chemical resistance, good alkali resistance and better heat-resistant alkali medium.

The utility model relates to a double-layer seamless steel tube, which comprises a 1, an outer tube; 2. an inner tube; 3. reinforcing ribs; 4. a first mounting block; 5. a first stopper; 6. a first gasket; 7. a second limiting block; 8. a second fixed block; 9. a first limit rod; 10. A second gasket; 11. a second limiting rod; 12. mounting a screw hole; 13. a limiting hole; 14. the anti-corrosion layer is a universal standard part or a part known by a person skilled in the art, the structure and the principle of the anti-corrosion layer are known by a technical manual or a conventional experimental method, at the idle position of the device, all the electric devices, namely a power element, an electric device, an adaptive monitoring computer and a power supply, are connected through a lead, the specific connection means refers to the following working principle, the electric devices are sequentially electrically connected in sequence, the detailed connection means is a known technology in the art, the following main description is about the working principle and the process, no description is made on the electrical control, when the device works, the inner pipe 2 is arranged in the outer pipe 1, the outer surface of the inner pipe 2 is fixed with a plurality of reinforcing ribs 3, the other ends of the reinforcing ribs 3 are fixed with the inner surface of the outer pipe 1, and the outer pipe 1 and the inner pipe 2 can be stably fixed together through the plurality of reinforcing ribs 3, the overall structure intensity is stronger, the bearing capacity is large, the steel pipe can not be easily fractured, the service life of the steel pipe is effectively prolonged, meanwhile, the upper surface and the lower surface of the outer pipe 1 are respectively fixed with the second fixing block 8, the first mounting block 4, the second fixing block 8 and the first mounting block 4 are internally provided with the mounting screw hole 12, the fixing bolt penetrates through the mounting screw hole 12 to conveniently fix the two steel pipes together, meanwhile, the lower surface and the upper surface of the inner part of the left side of the outer pipe 1 are respectively fixed with the first limiting block 5, the second limiting block 7, the first limiting block 5 and the second limiting block 7 are internally provided with the limiting holes 13, the upper surface and the lower surface of the inner part of the right side wall of the outer pipe 1 are respectively fixed with the first limiting rod 9 and the second limiting rod 11, the diameters of the first limiting rod 9 and the second limiting rod 11 are matched with the diameters of the limiting holes 13, when the two steel pipes are connected, the first limiting rod 9 and the second limiting rod 11 can be respectively entered into the limiting holes 13 of the second limiting block 7 and the first limiting block 5 The inner wall can generate surface deviation through the mutual matching of the three parts, the installation is convenient, simultaneously, the left side wall and the right side wall of the outer tube 1 are respectively provided with a first sealing gasket 6 and a second sealing gasket 10, the joint of the steel pipes can be sealed through the first sealing gasket 6 and the second sealing gasket 10, so that the steel pipes can be tightly connected together, the use at the later stage is convenient, meanwhile, the surface of the outer pipe 1 is provided with the anti-corrosion layer 14, the anti-corrosion layer 14 is epoxy resin anti-corrosion coating, and the epoxy resin anti-corrosion coating contains hydroxyl and ether bond with high polarity in the molecular structure, so that the prepared anti-corrosion coating has the characteristics of good chemical resistance, good alkali resistance and better heat-resistant alkali medium, the anti-corrosion layer 14 made of the epoxy resin anti-corrosion coating enables the outer pipe 1 to have high corrosion resistance, and cannot be corroded after long-term use, so that the service life of the steel pipe is effectively prolonged.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A double-layer seamless steel pipe comprises an outer pipe (1), and is characterized in that: the inner tube (2) is arranged in the outer tube (1), the outer surface of the inner tube (2) is fixedly connected with a reinforcing rib (3), the other end of the reinforcing rib (3) is fixedly connected with the inner surface of the outer tube (1), the lower surfaces of two sides of the outer pipe (1) are fixedly connected with first mounting blocks (4), the inner surface of the bottom end of the left side of the outer pipe (1) is fixedly connected with a first limiting block (5), a first sealing gasket (6) is arranged on the left side wall of the outer tube (1), a second limiting block (7) is fixedly connected to the inner surface of the top end of the left side of the outer tube (1), the upper surfaces of two sides of the top end of the outer tube (1) are fixedly connected with second fixed blocks (8), a first limiting rod (9) is fixedly connected with the upper end of the right side wall of the outer tube (1), the outer tube (1) right side wall surface is provided with the second sealed pad (10), outer tube (1) right side wall lower extreme fixedly connected with second gag lever post (11).

2. The double-layer seamless steel pipe according to claim 1, characterized in that: first installation piece (4) and second fixed block (8) are inside all seted up installation screw (12) and installation screw (12) have a plurality ofly, spacing hole (13) have all been seted up to first stopper (5) and second stopper (7) inside.

3. The double-layer seamless steel pipe according to claim 1, characterized in that: and the outer surface of the outer pipe (1) is provided with an anti-corrosion layer (14).

4. The double-layer seamless steel pipe according to claim 2, characterized in that: the aperture size of the limiting hole (13) is matched with the size of the first limiting rod (9) and the second limiting rod (11).

5. The double-layer seamless steel pipe according to claim 3, characterized in that: the anti-corrosion layer (14) is made of epoxy resin anti-corrosion paint.