CN214947034U

CN214947034U - Spiral welded pipe with carbon steel reinforced stainless steel structure

Info

Publication number: CN214947034U
Application number: CN202120699739.1U
Authority: CN
Inventors: 曲兆丰
Original assignee: TIANJIN BAOFENG STEEL PIPE PLANT
Current assignee: TIANJIN BAOFENG STEEL PIPE PLANT
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-11-30
Anticipated expiration: 2031-04-07

Abstract

The utility model discloses a carbon steel reinforcing stainless steel structure spiral welded pipe relates to spiral welded pipe technical field, the utility model discloses a first outer welded pipe, the fixed first connecting ring that is provided with of one end of first outer welded pipe, the top of first connecting ring one side is provided with connecting screw, and connecting screw's surface is provided with fixation nut, and the other end of first outer welded pipe is fixed and is provided with the second go-between, and the connect the through-hole with connecting screw looks adaptation is seted up on the surface of second go-between. The utility model relates to a carbon steel reinforcing stainless steel structure spiral welded pipe, through first go-between, second go-between, third go-between, fourth go-between, connecting screw and connect the hole and fixation nut's cooperation is used, can be quick to first outer welded pipe and the outer welded pipe of second install and dismantle, also convenient to use person is to the maintenance of this carbon steel reinforcing stainless steel structure spiral welded pipe when effectual using manpower sparingly, and it is more convenient to use.

Description

Spiral welded pipe with carbon steel reinforced stainless steel structure

Technical Field

The utility model relates to a spiral welded tube technical field, in particular to carbon steel reinforcing stainless steel structure spiral welded tube.

Background

The spiral welded pipe is made up by rolling the steel band of low-carbon or low-alloy structural steel into pipe blank according to a certain spiral angle (called forming angle) and seam-welding the pipe blank. The spiral welded pipe plays a great role in conveying fuel gas and transportation. With the planning and construction of a plurality of major pipeline projects at home and abroad, high value-added products such as large-deformation pipeline steel, high-strength-level hot-bending elbows, thick-specification low-temperature pipe fittings and the like show good market competitiveness and larger market demands, while domestic enterprises have relatively slow progress in developing the series of products, and should develop high value-added large-deformation pipeline steel, hot-bending elbow steel, low-temperature pipe fitting steel for pipeline stations, X100 straight-seam welded pipes, spiral seam submerged arc welded pipes and hot-bending spiral welded pipes which are suitable for industrial application as soon as possible.

1. When the existing carbon steel reinforced stainless steel structure spiral welded pipe is connected and used, most of the existing carbon steel reinforced stainless steel structure spiral welded pipes are welded together, the method consumes time and labor, and if the inside of the carbon steel reinforced stainless steel structure spiral welded pipe is damaged and needs to be maintained, the welded pipe is not convenient to separate, and the use is inconvenient.

2. When the spiral welded pipe with the carbon steel reinforced stainless steel structure is used, the spiral welded pipe with the carbon steel reinforced stainless steel structure is easy to vibrate due to overlarge pressure in the pipe, and the spiral welded pipe with the carbon steel reinforced stainless steel structure is damaged if the spiral welded pipe with the carbon steel reinforced stainless steel structure is used for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a carbon steel reinforcing stainless steel structure spiral welded pipe, can effectively solve current carbon steel reinforcing stainless steel structure spiral welded pipe when connecting the use among the background art, most of all be in the same place the welding of carbon steel reinforcing stainless steel structure spiral welded pipe of different quantity, such method is very consuming time power, and, if carbon steel reinforcing stainless steel structure spiral welded pipe is inside when the breakage need be maintained, also be convenient for separate the welded pipe and carbon steel reinforcing stainless steel structure spiral welded pipe in the use, because the intraductal too big very easy carbon steel reinforcing stainless steel structure spiral welded pipe that leads to of pressing vibrations appears, if so will cause the problem of damage to carbon steel reinforcing stainless steel structure spiral welded pipe for a long time.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a spiral welded pipe with a carbon steel reinforced stainless steel structure comprises a first outer welded pipe, wherein a first connecting ring is fixedly arranged at one end of the first outer welded pipe, a connecting screw rod is arranged at the top of one side of the first connecting ring, a fixing nut is arranged on the outer surface of the connecting screw rod, a second connecting ring is fixedly arranged at the other end of the first outer welded pipe, a connecting through hole matched with the connecting screw rod is formed in the surface of the second connecting ring, a third connecting ring is arranged at one side of the second connecting ring, a second outer welded pipe is fixedly arranged at the other side of the third connecting ring, a fourth connecting ring is fixedly arranged at one end of the second outer welded pipe, the first outer welded pipe and the second outer welded pipe can be conveniently connected through the first connecting ring, the second connecting ring, the third connecting ring and the fourth connecting ring, a first shock absorption pad is arranged on the inner side of the first outer welded pipe, the inboard of first shock pad is provided with damping spring, damping spring's inboard is provided with the second shock pad, the inboard of second shock pad is provided with interior welded tube.

Preferably, the inner side of the connecting screw is fixedly connected with the top of one side of the first connecting ring, so that the connecting structure of the connecting screw is more stable.

Preferably, the outer surface of the connecting screw is in threaded connection with the inner side of the fixing nut, the outer diameter of the connecting screw is matched with the inner diameter of the fixing nut, and the using structure of the connecting screw is more reasonable through the fixing nut.

Preferably, the outer surface of the connecting screw rod is inserted into the inner side of the connecting through hole, the outer diameter of the connecting screw rod is matched with the inner diameter of the connecting through hole, the connecting screw rod and the connecting through hole are four groups in number, and the first outer welding pipe and the second outer welding pipe can be quickly connected through the four groups of connecting screw rods and the four groups of connecting through holes.

Preferably, the inner side of the first outer welded pipe is fixedly connected with the outer side of the first shock absorption pad, so that the connection of the first shock absorption pad and the first outer welded pipe is firmer, and the use of the first shock absorption pad is facilitated.

Preferably, one side of the damping spring is fixedly connected with the inner side of the first damping pad, the other side of the damping spring is fixedly connected with the outer side of the second damping pad, and further, the damping performance of the spiral welded pipe is further improved through the damping spring.

Preferably, the inner side of the second shock pad is fixedly connected with the outer side of the inner welded pipe, so that the connection between the second shock pad and the inner welded pipe is firmer, and the use of the second shock pad is facilitated.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, use through first go-between, second go-between, third go-between, fourth go-between, connecting screw and connect the via hole and fixation nut's cooperation, can be quick to the outer welded tube of first outer welded tube and second install and dismantle, also convenient to use person is to the maintenance of this carbon steel reinforcing stainless steel structure spiral welded tube when effectual using manpower sparingly, and it is more convenient to use.

2. The utility model discloses a set up first shock pad and damping spring and second shock pad, can cushion layer upon layer the outside force that this carbon steel reinforcing stainless steel structure spiral welded pipe inside received, thereby fine having prevented because this carbon steel reinforcing stainless steel structure spiral welded pipe shakes for a long time and appears damaged phenomenon, also makes the life of this carbon steel reinforcing stainless steel structure spiral welded pipe more permanent to a certain extent.

Drawings

FIG. 1 is a schematic view of the overall structure of a spiral welded pipe with a carbon steel reinforced stainless steel structure of the present invention;

FIG. 2 is a schematic view of a first external welded pipe structure of a spiral welded pipe with a carbon steel reinforced stainless steel structure of the present invention;

FIG. 3 is a schematic view of a first connection ring structure of a spiral welded pipe with a carbon steel reinforced stainless steel structure of the present invention;

FIG. 4 is a schematic view of the structure of the inner welded pipe of the spiral welded pipe with carbon steel reinforced stainless steel structure of the present invention;

figure 5 is the utility model relates to a welded tube side view structure schematic diagram in carbon steel reinforcing stainless steel structure spiral welded pipe.

In the figure: 1. a first outer welded tube; 2. a first connecting ring; 3. a second connection ring; 4. a third connecting ring; 5. a second outer welded tube; 6. a fourth connecting ring; 7. a connecting through hole; 8. connecting a screw rod; 9. fixing a nut; 10. internally welding a tube; 11. a first cushion pad; 12. a damping spring; 13. a second cushion.

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 should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention relates to a spiral welded pipe with a carbon steel reinforced stainless steel structure, comprising a first outer welded pipe 1, a first connecting ring 2 fixedly disposed at one end of the first outer welded pipe 1, a connecting screw 8 disposed at the top of one side of the first connecting ring 2, a fixing nut 9 disposed on the outer surface of the connecting screw 8, a second connecting ring 3 fixedly disposed at the other end of the first outer welded pipe 1, a connecting through hole 7 adapted to the connecting screw 8 formed on the surface of the second connecting ring 3, a third connecting ring 4 disposed at one side of the second connecting ring 3, a second outer welded pipe 5 fixedly disposed at the other side of the third connecting ring 4, a fourth connecting ring 6 fixedly disposed at one end of the second outer welded pipe 5, and a connection structure for facilitating the connection of the first outer welded pipe 1 and the second outer welded pipe 5 through the first connecting ring 2, the second connecting ring 3, the third connecting ring 4 and the fourth connecting ring 6, the inner side of the first outer welded pipe 1 is provided with a first shock absorption pad 11, the inner side of the first shock absorption pad 11 is provided with a shock absorption spring 12, the inner side of the shock absorption spring 12 is provided with a second shock absorption pad 13, and the inner side of the second shock absorption pad 13 is provided with an inner welded pipe 10.

Further, the inner side of the connecting screw rod 8 is fixedly connected with the top of one side of the first connecting ring 2, so that the connecting structure of the connecting screw rod 8 is more stable.

Further, the outer surface of the connecting screw rod 8 is in threaded connection with the inner side of the fixing nut 9, the outer diameter of the connecting screw rod 8 is matched with the inner diameter of the fixing nut 9 in size, and the connecting screw rod 8 is more reasonable in use structure through the fixing nut 9.

Further, the outer surface of the connecting screw rod 8 is inserted into the inner side of the connecting through hole 7, the outer diameter of the connecting screw rod 8 is matched with the inner diameter of the connecting through hole 7, the connecting screw rods 8 and the connecting through holes 7 are four in number, and the first outer welded pipe 1 and the second outer welded pipe 5 can be connected quickly through the four groups of connecting screw rods 8 and the four groups of connecting through holes 7.

Further, the inner side of the first outer welded pipe 1 is fixedly connected with the outer side of the first shock pad 11, so that the connection between the first shock pad 11 and the first outer welded pipe 1 is firmer, and the use of the first shock pad 11 is facilitated.

Further, one side of the damping spring 12 is fixedly connected with the inner side of the first damping pad 11, the other side of the damping spring 12 is fixedly connected with the outer side of the second damping pad 13, and further, the damping performance of the spiral welded pipe is further improved through the damping spring 12.

Further, the inner side of the second cushion 13 is fixedly connected with the outer side of the inner welded pipe 10, so that the connection between the second cushion 13 and the inner welded pipe 10 is more secure, thereby facilitating the use of the second cushion 13.

The utility model discloses a theory of operation does: when in use, the second connecting ring 3 at one end of the first outer welded pipe 1 is connected with the third connecting ring 4 at one end of the second outer welded pipe 5 through the connecting through hole 7, the connecting screw rod 8 and the fixing nut 9, the first connecting ring 2, the second connecting ring 3, the third connecting ring 4, the fourth connecting ring 6, the connecting screw rod 8 and the connecting through hole 7 are matched for use, the first outer welded pipe 1 and the second outer welded pipe 5 can be rapidly installed and disassembled, manpower is effectively saved, meanwhile, the maintenance of the carbon steel reinforced stainless steel structure spiral welded pipe by a user is facilitated, the use is more convenient, external force applied to the inside of the carbon steel reinforced stainless steel structure spiral welded pipe can be buffered layer by layer through the first shock pad 11, the shock absorption spring 12 and the second shock absorption pad 13, the phenomenon of damage caused by long-term shock of the carbon steel reinforced stainless steel structure spiral welded pipe is well prevented, also make the life of this carbon steel reinforcing stainless steel structure spiral weld pipe more permanent to a certain extent, wherein, first shock pad 11 and second shock pad 13 are all made by rubber material.

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 understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a carbon steel reinforcing stainless steel structure spiral welded tube which characterized in that: comprises a first outer welded pipe (1), one end of the first outer welded pipe (1) is fixedly provided with a first connecting ring (2), the top of one side of the first connecting ring (2) is provided with a connecting screw rod (8), the outer surface of the connecting screw rod (8) is provided with a fixing nut (9), the other end of the first outer welded pipe (1) is fixedly provided with a second connecting ring (3), the surface of the second connecting ring (3) is provided with a connecting through hole (7) matched with the connecting screw rod (8), one side of the second connecting ring (3) is provided with a third connecting ring (4), the other side of the third connecting ring (4) is fixedly provided with a second outer welded pipe (5), one end of the second outer welded pipe (5) is fixedly provided with a fourth connecting ring (6), and the inner side of the first outer welded pipe (1) is provided with a first shock pad (11), the shock absorption device is characterized in that a shock absorption spring (12) is arranged on the inner side of the first shock absorption pad (11), a second shock absorption pad (13) is arranged on the inner side of the shock absorption spring (12), and an inner welding pipe (10) is arranged on the inner side of the second shock absorption pad (13).

2. The spiral welded pipe with carbon steel reinforced stainless steel structure as claimed in claim 1, wherein: the inner side of the connecting screw rod (8) is fixedly connected with the top of one side of the first connecting ring (2).

3. The spiral welded pipe with carbon steel reinforced stainless steel structure as claimed in claim 1, wherein: the outer surface of the connecting screw rod (8) is in threaded connection with the inner side of the fixing nut (9), and the outer diameter of the connecting screw rod (8) is matched with the inner diameter of the fixing nut (9).

4. The spiral welded pipe with carbon steel reinforced stainless steel structure as claimed in claim 1, wherein: the outer surface of the connecting screw rod (8) is connected with the inner side of the connecting through hole (7) in an inserting mode, the outer diameter size of the connecting screw rod (8) is matched with the inner diameter size of the connecting through hole (7), and the number of the connecting screw rod (8) and the number of the connecting through hole (7) are four groups.

5. The spiral welded pipe with carbon steel reinforced stainless steel structure as claimed in claim 1, wherein: the inner side of the first outer welded pipe (1) is fixedly connected with the outer side of the first shock pad (11).

6. The spiral welded pipe with carbon steel reinforced stainless steel structure as claimed in claim 1, wherein: one side of the damping spring (12) is fixedly connected with the inner side of the first damping pad (11), and the other side of the damping spring (12) is fixedly connected with the outer side of the second damping pad (13).

7. The spiral welded pipe with carbon steel reinforced stainless steel structure as claimed in claim 1, wherein: the inner side of the second shock pad (13) is fixedly connected with the outer side of the inner welding pipe (10).