CN218152869U

CN218152869U - 3PE anti-corrosion steel pipe for water supply

Info

Publication number: CN218152869U
Application number: CN202222277015.5U
Authority: CN
Inventors: 阚义凤; 董超; 丁浩; 李崇莹; 张彦岭
Original assignee: Hebei Huabao Anticorrosion Insulation Pipeline Manufacturing Co ltd
Current assignee: Hebei Huabao Anticorrosion Insulation Pipeline Manufacturing Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-12-27
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses a water supply is with anticorrosive steel pipe of 3PE, include: the pipeline comprises a pipeline and a butt flange, wherein the butt flange is installed at one end of the pipeline in an inserting and combining mode, four groups of fixing blocks are fixedly connected to the inner end portion of the butt flange, a movable column is connected to the inside of each fixing block in a penetrating mode, a rotating block is connected to one end, penetrating through the fixing blocks, of the movable column, a pressing block is movably connected to the surface of each rotating block, and the surface of the pressing block is pressed on the inner wall of the pipeline in a pressing mode. This anticorrosive steel pipe of 3PE for feedwater can carry out the butt joint assembly with pipeline and flange through mutually supporting between pipeline, flange, fixed block, activity post, commentaries on classics piece, the briquetting to through flange body, last spacing piece, go up the sealing washer, spacing piece and lower sealing washer down when pipeline and flange assembly, seal pipeline and flange joint, and keep the position between pipeline and the flange certain.

Description

3PE anti-corrosion steel pipe for water supply

Technical Field

The utility model relates to an anticorrosive steel pipe technical field specifically is an anticorrosive steel pipe of 3PE for feedwater.

Background

The 3PE anticorrosive steel pipe is one kind of steel pipe, and present 3PE anticorrosive steel pipe can be used to walk water, walks multiple objects such as cable, and the flange is welded with two the same both ends of 3PE anticorrosive steel pipe to the 3PE anticorrosive steel pipe when using, later with two flange mountings together to the realization is to the concatenation installation of two anticorrosive steel pipes.

This prior art solution also presents the following problems when in use: when the anti-corrosion steel pipe is used, the two steel pipes need to be butted, the steel pipes are butted in a mode that the flanges are welded with the steel pipes, but the steel pipes are damaged due to the welding of the flanges and the steel pipes, and the welding positions of the steel pipes and the flanges are easily damaged by oxidation.

Therefore, improvement to the above problems is required to meet the market demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water supply is with anticorrosive steel pipe of 3PE to propose anticorrosive steel pipe when using in solving above-mentioned background art, need dock between two steel pipes, the butt joint mode of steel pipe is, through flange and steel pipe welding's mode, but flange and steel pipe welding can lead to the condition that the steel pipe appears damaging, and the problem of steel pipe and flange's welding department by oxidation damage easily.

In order to achieve the above object, the utility model provides a following technical scheme: a3 PE corrosion-resistant steel pipe for water supply comprises: the pipeline comprises a pipeline and a butt flange, wherein the butt flange is installed at one end of the pipeline in an inserted manner, four groups of fixing blocks are fixedly connected to the inner end part of the butt flange, a movable column is connected to the inside of each fixing block in a penetrating manner, a rotating block is connected to one end, penetrating through the fixing blocks, of the movable column, a pressing block is movably connected to the surface of the rotating block, and the surface of the pressing block is pressed on the inner wall of the pipeline.

Preferably, the fixed blocks are distributed in a circle center array on the inner wall of the butt flange, and a threaded connection structure is arranged between the fixed blocks and the movable column.

Preferably, the butt flange comprises a flange body, an upper limiting block, an upper sealing ring, a lower limiting block and a lower sealing ring, the same side of the flange body is fixedly connected with the upper limiting block and the lower limiting block at the same time, and the upper limiting block and the lower limiting block are connected with the upper sealing ring and the lower sealing ring at the same time.

Preferably, the space between the upper limiting block and the lower limiting block is matched with the size of the pipeline, and the pipeline is inserted between the upper limiting block and the lower limiting block and extends to the side face of the butting flange.

Preferably, the outer wall and the inner wall of the junction of the pipeline and the butting flange are both provided with a sealing groove, and an upper sealing ring and a lower sealing ring are clamped inside the sealing groove.

Preferably, the interior of the butt flange is connected with a mounting bolt in a penetrating manner, and one end of the mounting bolt, which penetrates through the butt flange, is connected with a nut in a threaded manner.

Preferably, the surface of the pipeline is wound with a protective belt, and one side of the protective belt connected with the pipeline is provided with a waterproof adhesive.

Compared with the prior art, the beneficial effects of the utility model are that: this anticorrosive steel pipe of 3PE for feedwater, through the pipeline, the flange, the fixed block, the activity post, change the piece, mutually support between the briquetting, can carry out the butt joint assembly with pipeline and flange, and pass through the flange body when pipeline and flange assembly, go up the spacing piece, go up the sealing washer, spacing piece and lower sealing washer down, it is sealed with pipeline and flange joint, and keep the position between pipeline and the flange certain, can effectually avoid the condition that welds each other and lead to pipeline deformation damage between pipeline and the flange through this mounting means, the effectual pipeline of having protected, and increased the pipeline live time, later through construction bolt, two the same pipelines and the flange installation butt joint after the nut will assemble, when the pipeline uses, with winding the protecting band on the pipeline simultaneously, make the protecting band protect the surface of pipeline.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the connection section structure of the pipeline and the butt flange of the present invention;

fig. 3 is a side view of the pipeline of the present invention.

In the figure: 1. a pipeline; 2. butting flanges; 3. a fixed block; 4. a movable post; 5. rotating the block; 6. briquetting; 7. installing a bolt; 8. a nut; 9. a protective band.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a3 PE corrosion-resistant steel pipe for water supply comprises: pipeline 1 and flange 2, flange 2 is installed in the one end of pipeline 1 inserts to close, and flange 2's the four fixed blocks of inside tip fixedly connected with 3 of flange 2, and the inside through connection of fixed block 3 has movable post 4, and the one end of the fixed block 3 that runs through of movable post 4 is connected with commentaries on classics piece 5, and the surperficial swing joint of commentaries on classics piece 5 has briquetting 6, and the surperficial pressfitting of briquetting 6 is on pipeline 1's inner wall.

Referring to fig. 1, 2 and 3, the fixed blocks 3 are distributed in a circle center array on the inner wall of the docking flange 2, and the fixed blocks 3 and the movable columns 4 are in a threaded connection structure, and four groups of the fixed blocks 3 and the movable columns 4 are distributed on the docking flange 2 in a circular array, and then the fixed blocks 3 and the movable columns 4 are in threaded connection, and the movable columns 4 are rotated, so that one end of the movable columns 4 drives the pressing block 6 to move.

Referring to fig. 1, 2 and 3, the docking flange 2 includes a flange body 201, an upper limit block 202, an upper seal ring 203, a lower limit block 204 and a lower seal ring 205, the upper limit block 202 and the lower limit block 204 are fixedly connected to the same side of the flange body 201 at the same time, the upper limit block 202 and the lower limit block 204 are connected to the upper seal ring 203 and the lower seal ring 205 at the same time, the docking flange 2 is arranged, the docking flange 2 can be mounted and dismounted on the pipeline 1, and the two pipelines 1 can be docked through the docking flange 2 without affecting the shape of the pipeline 1.

Referring to fig. 1, 2 and 3, a space between the upper limiting block 202 and the lower limiting block 204 is matched with the size of the pipeline 1, the pipeline 1 is inserted between the upper limiting block 202 and the lower limiting block 204 and extends to the side surface of the butting flange 2, and the position of the pipeline 1 is limited by the upper limiting block 202 and the lower limiting block 204, so that the pipeline 1, the upper limiting block 202 and the lower limiting block 204 are kept at a specified position.

Referring to fig. 1 and 2, the outer wall and the inner wall of the joint between the pipeline 1 and the docking flange 2 are both provided with a sealing groove, an upper sealing ring 203 and a lower sealing ring 205 are clamped inside the sealing groove, and the upper sealing ring 203 and the lower sealing ring 205 are respectively clamped on the pipeline 1 through the sealing groove formed on the pipeline 1, so that the edge parts at the upper end and the lower end of the pipeline 1 are kept in a sealed state.

In conclusion: as shown in fig. 1-3, when the 3PE corrosion-resistant steel pipe for water supply is used, firstly, two butt flanges 2 are installed at one end of the pipeline 1, so that the pipeline 1 is inserted between the flange body 201 and the upper limiting block 202, and simultaneously, the upper sealing ring 203 and the lower sealing ring 205 are clamped on the surface of the pipeline 1, so that the upper sealing ring 203 and the lower sealing ring 205 seal the pipeline 1, then the movable column 4 is rotated, the threaded connection between the movable column 4 and the fixed block 3 is realized, so that one end of the movable column 4 drives the pressing block 6 to be extruded on the inner wall of the pipeline 1, so that the flange body 201 is stably installed at two ends of the pipeline 1, then the protective belt 9 is wound on the surface of the pipeline 1, so that the protective belt 9 protects the pipeline 1, the condition that the pipeline 1 is directly exposed in the air and the pipeline 1 is corroded and damaged can be effectively avoided, then, two identical pipelines 1 are butted, then, and then the installation bolt 7 passes through the two butt flanges 2 to be butted with the nut 8, and two identical pipelines 1 can be spliced, which is the characteristic of the 3PE corrosion-resistant steel pipe for water supply.

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. A3 PE corrosion-resistant steel pipe for water supply comprises: pipeline (1) and flange (2), its characterized in that: the pipeline comprises a pipeline body (1), a butt flange (2) is installed at one end of the pipeline body (1) in an inserting and combining mode, four groups of fixing blocks (3) are fixedly connected to the inner end portion of the butt flange (2), movable columns (4) penetrate through the inside of the fixing blocks (3), one ends, penetrating through the fixing blocks (3), of the movable columns (4) are connected with rotating blocks (5), pressing blocks (6) are movably connected to the surfaces of the rotating blocks (5), and the surfaces of the pressing blocks (6) are pressed on the inner wall of the pipeline body (1).

2. The 3PE corrosion-resistant steel pipe for water supply according to claim 1, which is characterized in that: the fixing blocks (3) are distributed in a circle center array at the inner wall of the butt flange (2), and a threaded connection structure is arranged between the fixing blocks (3) and the movable column (4).

3. The 3PE anticorrosive steel pipe for water supply according to claim 1, characterized in that: the butt flange (2) comprises a flange body (201), an upper limiting block (202), an upper sealing ring (203), a lower limiting block (204) and a lower sealing ring (205), the same side of the flange body (201) is fixedly connected with the upper limiting block (202) and the lower limiting block (204) at the same time, and the upper limiting block (202) and the lower limiting block (204) are connected with the upper sealing ring (203) and the lower sealing ring (205) at the same time.

4. A 3PE corrosion resistant steel pipe for water supply according to claim 3 wherein: the space between the upper limiting block (202) and the lower limiting block (204) is matched with the size of the pipeline (1), and the pipeline (1) is inserted between the upper limiting block (202) and the lower limiting block (204) and extends to the side face of the butt flange (2).

5. A 3PE corrosion resistant steel pipe for water supply according to claim 3 wherein: the outer wall and the inner wall of the joint of the pipeline (1) and the butt flange (2) are provided with sealing grooves, and an upper sealing ring (203) and a lower sealing ring (205) are clamped inside the sealing grooves.

6. The 3PE anticorrosive steel pipe for water supply according to claim 1, characterized in that: the inner portion of the butt flange (2) is connected with a mounting bolt (7) in a penetrating mode, and one end, penetrating through the butt flange (2), of the mounting bolt (7) is connected with a nut (8) in a threaded mode.

7. The 3PE anticorrosive steel pipe for water supply according to claim 1, characterized in that: the surface winding of pipeline (1) has protecting band (9), one side that protecting band (9) and pipeline (1) are connected is provided with waterproof viscose.