Corrosion-resistant acid pickling welded pipe with single-layer brazing rod

Abstract

The utility model relates to a corrosion-resistant acid pickling welded pipe with a single-layer brazing rod, which belongs to the technical field of welded pipes, and comprises a plurality of welded pipe bodies, the plurality of welded pipe bodies are connected through a fixing mechanism, one end of each welded pipe body is provided with an extension pipe, and the inner wall of the other end of each welded pipe body is provided with a sealing sleeve. According to the welding pipe, in the using process, the two adjacent welding pipe bodies can be installed and fixed, and in the installing process, the welding pipe bodies can be fixed according to specific using requirements. And by adjusting the depth of the extension pipe inserted into the annular groove, the distance between the two adjacent welded pipe bodies can be adjusted, then the length between the two adjacent welded pipe bodies can be increased or decreased, the flexibility of the welded pipe bodies during use is improved, and the welding pipe is more convenient for people to use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to welded pipe technical field, concretely relates to a single layer soldering corrosion -resistant pickling welded pipe. BACKGROUND

[0002] Pickling welded pipe is a kind of welded steel pipe handled using pickling process, with the characteristics such as high surface finish, inner surface smooth, strong corrosion resistance, pickling process is by immersing steel pipe in acidic liquid, removes the surface scale, rust layer and other impurities, to improve the surface quality and corrosion resistance of steel pipe.

[0003] The size of the existing welded pipe is cut according to the size requirement in the factory and transported to the site for use in the process of use, a plurality of welded pipes are assembled together for use in the process of use, but due to many uncontrollable factors in the construction site, when the length is longer, if a welded pipe is disassembled, the length is not enough, when the length is shorter, installing another welded pipe will appear the condition of longer length, so the specific use requirement cannot be met, the flexibility of welded pipe in the process of use is reduced, so it is inconvenient for people to use. UTILITARIAN CONTENT

[0004] The utility model aims at solving above -mentioned problem and provides a single layer soldering corrosion -resistant pickling welded pipe with simple structure and reasonable design.

[0005] The utility model realizes the above-mentioned purpose through the following technical scheme:

[0006] A single layer soldering corrosion -resistant pickling welded pipe, including multiple welded pipe bodies, multiple welded pipe bodies are connected through fixing mechanism, one end of welded pipe body is equipped with extension pipe, the other end inner wall of welded pipe body is equipped with sealing sleeve, the side of sealing sleeve is equipped with annular groove that cooperates with extension pipe, fixing mechanism includes two fixed components and adjusting mechanism installed between two fixed components, fixed component includes upper annular plate and lower annular plate, the outside of welded pipe body is equipped with two limit rings, the side of upper annular plate and lower annular plate that is close to each other is equipped with limit slot that cooperates with limit ring.

[0007] As the further optimization scheme of the utility model, the inner wall of annular groove is equipped with multiple springs, one end of multiple spring is commonly equipped with first sealing ring, the end of extension pipe is equipped with second sealing ring that cooperates with first sealing ring.

[0008] As a further optimization scheme of the utility model, the adjusting mechanism includes two groups of adjusting components on both sides of the fixing mechanism, the adjusting component includes an adjusting plate, a first fixed plate installed on one side of the upper annular plate, and a second fixed plate installed on one side of the lower annular plate.

[0009] As a further optimization scheme of the utility model, a plurality of adjusting holes are formed in the interior of the adjusting plate, mounting holes are formed in the interiors of the first fixed plate and the second fixed plate, and one of the adjusting holes and the two mounting holes are connected through a bolt and a nut.

[0010] As a further optimization scheme of the utility model, a notch is formed in the side of the first fixed plate and the second fixed plate close to each other, and the adjusting plate is located in the notch.

[0011] As a further optimization scheme of the utility model, the two limiting rings are respectively located at both ends of the welded pipe body and are integrally arranged with the welded pipe body.

[0012] The utility model discloses the beneficial effect lies in: the utility model discloses the process of using not only can install and fix two adjacent welded pipe bodies, but also can adjust the depth of the extension pipe inserted into the annular groove during installation according to the specific use demand, thereby the distance between the two adjacent welded pipe bodies can be adjusted, and the length between the two adjacent welded pipe bodies can be lengthened or shortened, the flexibility of the welded pipe body during use is improved, and the utility model discloses more convenient for people to use. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the overall structure schematic view of the utility model;

[0014] Figure 2 It is the split structure schematic view of the utility model;

[0015] Figure 3 It is the sectional structure schematic view of the utility model;

[0016] Figure 4 It is the utility model Figure 2 A place enlarged view in the utility model;

[0017] Figure 5 It is the utility model Figure 3 B place enlarged view in the utility model.

[0018] In the figure: 1. Welding pipe body; 2. Extension pipe; 3. Sealing sleeve; 4. Annular groove; 5. Spring; 6. First sealing ring; 7. Second sealing ring; 8. Adjusting plate; 9. Upper annular plate; 10. Lower annular plate; 11. Limiting ring; 12. Limiting groove; 13. First fixing plate; 14. Second fixing plate; 15. Adjusting hole; 16. Mounting hole; 17. Bolt; 18. Nut; 19. Notch. DETAILED DESCRIPTION

[0019] The present application is described in further detail below in conjunction with the accompanying drawings. It is necessary to point out that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technicians in this field can make some non-essential improvements and adjustments to the present application based on the above application content.

[0020] like Figures 1-5 As shown, a single-layer brazing corrosion-resistant pickling welded pipe includes multiple welded pipe bodies 1, which are connected by a fixing mechanism. An extension pipe 2 is installed at one end of the welded pipe body 1, and a sealing sleeve 3 is installed on the inner wall of the other end of the welded pipe body 1. An annular groove 4 for use with the extension pipe 2 is opened on one side of the sealing sleeve 3. The sealing ring 3 is integrated with the welded pipe body 1. The fixing mechanism includes two fixing components and an adjustment mechanism installed between the two fixing components. The fixing component includes an upper annular plate 9 and a lower annular plate 10. Two limiting rings 11 are installed on the outside of the welded pipe body 1. The two limiting rings 11 are respectively located at both ends of the welded pipe body 1 and are integrated with the welded pipe body 1. The upper annular plate 9 and The lower annular plates 10 are each provided with a limiting groove 12 for use with the limiting ring 11 on one side thereof. The adjustment mechanism includes two sets of adjustment components located on both sides of the fixing mechanism. The adjustment components include an adjustment plate 8, a first fixing plate 13 installed on one side of the upper annular plate 9, and a second fixing plate 14 installed on one side of the lower annular plate 10. A plurality of adjustment holes 15 are provided inside the adjustment plate 8. The first fixing plate 13 and the second fixing plate 14 are each provided with a mounting hole 16. One of the adjustment holes 15 is connected to the two mounting holes 16 by a bolt 17 and a nut 18. A notch 19 is provided on the side of the first fixing plate 13 and the second fixing plate 14 that are close to each other. The adjustment plate 8 is located in the notch 19.

[0021] When it is needed to connect two adjacent welded pipe bodies 1, the extension pipe 2 on one of the welded pipe bodies 1 is inserted into the annular groove 4 on the other welded pipe body 1, at this time, the insertion depth of the extension pipe 2 can be adjusted according to the specific use requirement, after the adjustment is completed, the two fixing assemblies are respectively installed on the outside of the two welded pipe bodies 1, the upper annular plate 9 and the lower annular plate 10 are sleeved on the outside of the welded pipe body 1, and one side of the upper annular plate 9 and the lower annular plate 10 is abutted, one of the limiting rings 11 on the welded pipe body 1 is located in the limiting groove 12 opened on the upper annular plate 9 and the lower annular plate 10, then the adjusting plate 8 is placed in the slot 19, the bolt 17 is screwed into one of the adjusting holes 15 and the two corresponding mounting holes 16, the nut 18 is screwed on the outside of the bolt 17, and the adjusting plate 8 is fixed between the two fixing assemblies, so that the two fixing assemblies can be connected and fixed through the adjusting plate 8, so as to install the two welded pipe bodies 1 together.

[0022] As shown in Figure 3 and Figure 5 , the inner wall of the annular groove 4 is provided with a plurality of springs 5, one end of the plurality of springs 5 is commonly provided with a first sealing ring 6, the end of the extension pipe 2 is provided with a second sealing ring 7 used in cooperation with the first sealing ring 6, and the first sealing ring 6 and the second sealing ring 7 are used in cooperation with the annular groove 4.

[0023] When the extension pipe 2 is inserted into the inside of the annular groove 4 during use, the second sealing ring 7 is inserted into the inside of the annular groove 4 and abuts one side of the first sealing ring 6, and the first sealing ring 6 and the second sealing ring 7 are tightly abutted under the elastic force of the plurality of springs 5, so as to improve the sealing property between the two welded pipe bodies 1.

[0024] The above-described embodiments only express several implementation manners of the present application, the description is more specific and detailed, but it cannot be understood as the limitation of the patent scope of the present application. It should be pointed out that, for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application.

Claims

1. A single layer, corrosion resistant, pickled and welded pipe comprising a plurality of welded pipe bodies (1), characterised in that, Multiple welded pipe bodies (1) are connected through a fixing mechanism, one end of the welded pipe body (1) is provided with an extension pipe (2), the inner wall of the other end of the welded pipe body (1) is provided with a sealing sleeve (3), one side of the sealing sleeve (3) is provided with an annular groove (4) matched with the extension pipe (2), the fixing mechanism comprises two fixing assemblies and an adjusting mechanism installed between the two fixing assemblies, the fixing assembly comprises an upper annular plate (9) and a lower annular plate (10), the outer part of the welded pipe body (1) is provided with two limiting rings (11), and the side of the upper annular plate (9) and the lower annular plate (10) close to each other is provided with a limiting groove (12) matched with the limiting ring (11).

2. A single layer, corrosion resistant, pickled and welded pipe according to claim 1, characterized in that: The inner wall of the annular groove (4) is provided with a plurality of springs (5), one end of the plurality of springs (5) is commonly provided with a first sealing ring (6), and the end of the extension pipe (2) is provided with a second sealing ring (7) matched with the first sealing ring (6).

3. A single layer, corrosion resistant, pickled and welded pipe according to claim 1, characterized in that: The adjusting mechanism comprises two groups of adjusting assemblies located on both sides of the fixing mechanism, the adjusting assembly comprises an adjusting plate (8), a first fixing plate (13) installed on one side of the upper annular plate (9), and a second fixing plate (14) installed on one side of the lower annular plate (10).

4. A single layer, corrosion resistant, pickled and welded pipe according to claim 3, characterized in that: The inner part of the adjusting plate (8) is provided with a plurality of adjusting holes (15), and the inner part of the first fixing plate (13) and the second fixing plate (14) is provided with a mounting hole (16), wherein one of the adjusting holes (15) and two of the mounting holes (16) are connected through a bolt (17) and a nut (18).

5. A single layer, brazing corrosion resistant pickling welded pipe according to claim 3, characterized by: The side of the first fixing plate (13) and the second fixing plate (14) close to each other is provided with a notch (19), and the adjusting plate (8) is located in the notch (19).

6. A single layer, corrosion resistant, pickled and welded pipe according to claim 1, characterized in that: Two limiting rings (11) are respectively located at two ends of the welded pipe body (1) and are integrally arranged with the welded pipe body (1).

Images