CN211853067U

CN211853067U - High-strength plastic-lined steel pipe

Info

Publication number: CN211853067U
Application number: CN202020081194.3U
Authority: CN
Inventors: 陈勇
Original assignee: Chongqing Jinruo Pipeline Manufacturing Co ltd
Current assignee: Chongqing Jinruo Pipeline Manufacturing Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-11-03
Anticipated expiration: 2030-01-15

Abstract

The utility model relates to a steel pipe technical field is moulded to the lining, and a steel pipe is moulded to high strength lining is disclosed, including steel pipe body, sealing strip, joint one and joint two, the one end fixedly connected with joint one of steel pipe body, the other end fixedly connected with joint two of another steel pipe body, joint one and joint two threaded connection, the steel pipe body includes outside steel pipe, inboard steel pipe and plastic pipe, the even fixedly connected with soft gluey post of inner circle of inboard steel pipe, the other end of soft gluey post and the outside fixed connection of plastic pipe. This steel pipe is moulded to high strength lining through the setting of flexible glue post, can fix the plastic pipe in the inboard steel pipe, makes and leaves the gap between plastic pipe and the inboard steel pipe, and the plastic pipe of being convenient for takes place deformation, and the flexible glue post has elasticity, can increase the compressive property of this lining plastic pipe, and when plastic pipe deformation was great, the resilience force of flexible glue post can assist the recovery of plastic pipe simultaneously.

Description

High-strength plastic-lined steel pipe

Technical Field

The utility model relates to a steel pipe technical field is moulded to the lining, specifically is a steel pipe is moulded to high strength lining.

Background

The plastic-lined steel pipe is an upgraded product of the traditional galvanized pipe, wherein a galvanized seamless steel pipe and a welded steel pipe are used as base pipes, a food-grade Polyethylene (PE) pipe with the same diameter as that of the galvanized pipe is lined after welding ribs are removed from the inner wall of the base pipe, the thickness requirement of the polyethylene lining layer meets the CJ/T136-2007 standard, and finally, the base pipe is molded after being pressurized and heated for a certain time.

Because the plastic-lined steel pipe is made of plastic and made of steel, the plastic and the steel have different plasticity, and if the plastic-lined steel pipe is used for conveying hot medium flow, the plastic and the steel have different deformation, the plastic and the steel are easily separated, and the service life of the plastic-lined steel pipe is influenced.

SUMMERY OF THE UTILITY MODEL

The not enough of steel pipe is moulded to current lining, the utility model provides a steel pipe is moulded to high strength lining possesses intensity height, and the leakproofness is good, and the problem of proposing among the above-mentioned background art has been solved to the advantage of long service life etc.

The utility model provides a following technical scheme: the utility model provides a high strength lining plastic steel pipe, includes steel pipe body, sealing strip, joint one and connects two, the one end fixedly connected with joint one of steel pipe body, the other end fixedly connected with joint two of another steel pipe body, joint one and connect two threaded connection, the steel pipe body includes outside steel pipe, inboard steel pipe and plastic pipe, the even fixedly connected with soft gluey post of inner circle of inboard steel pipe, the other end of soft gluey post and the outside fixed connection of plastic pipe.

Preferably, the outer rings of the first connector and the second connector are uniformly provided with grooves, one side of the sealing strip is uniformly and fixedly connected with a clamping block, the clamping block is matched with the grooves, and one side of the sealing strip is fixedly connected with a soft rubber layer.

Preferably, a clamping groove is formed in the side face of the first connector, an internal thread is formed in the inner ring of the clamping groove, a threaded ring is fixedly connected to one side of the second connector, and the threaded ring is matched with the clamping groove.

Preferably, the outer side of the outer steel pipe is covered with a zinc-iron alloy layer, the outer side of the zinc-iron alloy layer is covered with a pure zinc layer, and a vacuum layer is arranged between the outer steel pipe and the inner steel pipe.

Preferably, the inner wall of the plastic pipe is coated with an anti-corrosion layer.

With the contrast of current lining plastic steel pipe, the utility model discloses possess following beneficial effect:

1. this high strength lining plastic steel pipe, through fixture block and groove looks joint, can fix the sealing strip in the junction of joint one and joint two, seal up the sealed department between joint one and the joint two from the outside, increase the leakproofness of pipe connection, the setting on flexible glue layer, it is inseparabler to make sealing strip and joint one and connect between two, the leakproofness has been increased, through draw-in groove and thread circle looks joint, can be in the same place two sections lining plastic steel pipe fixings, convenient to use, this kind of setting has increased the leakproofness at steel pipe connection position.

2. This steel pipe is moulded to high strength lining through the setting of flexible glue post, can fix the plastic pipe in the inboard steel pipe, makes and leaves the gap between plastic pipe and the inboard steel pipe, and the plastic pipe of being convenient for takes place deformation, and the flexible glue post has elasticity, can increase the compressive property of this lining plastic pipe, and when plastic pipe deformation was great, the resilience force of flexible glue post can assist the recovery of plastic pipe simultaneously.

Drawings

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

FIG. 2 is a schematic side view of the structural joint of the present invention;

FIG. 3 is a schematic view of the two sides of the structural joint of the present invention;

FIG. 4 is a schematic cross-sectional view of the structural steel pipe body of the present invention;

fig. 5 is a schematic diagram of the present invention showing a partially enlarged structure.

In the figure: 1. a steel pipe body; 2. a first connector; 3. a second joint; 4. a groove; 5. sealing tape; 6. a clamping block; 7. a thread ring; 8. a card slot; 9. a soft adhesive layer; 10. a pure zinc layer; 11. a zinc-iron alloy layer; 12. An outer steel pipe; 13. a vacuum layer; 14. an inner steel pipe; 15. a soft rubber column; 16. plastic pipes; 17. and an anti-corrosion layer.

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. 1-5, a high-strength plastic-lined steel pipe comprises a steel pipe body 1, a sealing strip 5, a first joint 2 and a second joint 3, wherein one end of the steel pipe body 1 is fixedly connected with the first joint 2, the other end of the other steel pipe body 1 is fixedly connected with the second joint 3, the first joint 2 and the second joint 3 are used in a matched manner, so that the steel pipe body 1 with brightness can be fixed together for convenient use, the first joint 2 is in threaded connection with the second joint 3, the steel pipe body 1 comprises an outer steel pipe 12, an inner steel pipe 14 and a plastic pipe 16, the pipe wall of the plastic-lined pipe is arranged into a double-layer steel pipe, so that the compression resistance of the plastic-lined steel pipe can be improved, the strength of the plastic-lined steel pipe is improved, the service life of the plastic-lined steel pipe is prolonged, soft rubber columns 15 are uniformly and fixedly connected to the inner ring of the inner steel pipe 14, the other ends of the soft rubber columns, can fix plastic pipe 16 in inboard steel pipe 14, make and leave the gap between plastic pipe 16 and the inboard steel pipe 14, the plastic pipe 16 of being convenient for takes place deformation, and flexible glue post 15 has elasticity, can increase the compressive property of this lining plastic steel pipe, and when plastic pipe 16 deformation was great, the resilience force of flexible glue post 15 can assist plastic pipe 16's recovery simultaneously.

Wherein, connect one 2 and connect two 3 outer lane all evenly to be equipped with recess 4, the even fixedly connected with fixture block 6 in one side of sealing strip 5, fixture block 6 and recess 4 looks adaptation, and one side fixedly connected with soft glue film 9 of sealing strip 5, through fixture block 6 and recess 4 looks joint, can fix sealing strip 5 in the junction of connecting one 2 and connecting two 3, seal up the sealed department between connecting one 2 and connecting two 3 from the outside, increase the leakproofness of pipe connection, the setting of soft glue film 9, it is inseparabler to make sealing strip 5 and connect between one 2 and the connecting two 3, the leakproofness has been increased.

The side face of the first connector 2 is provided with a clamping groove 8, an inner ring of the clamping groove 8 is provided with an internal thread, one side of the second connector 3 is fixedly connected with a threaded ring 7, the threaded ring 7 is matched with the clamping groove 8, and the clamping groove 8 is clamped with the threaded ring 7, so that two sections of plastic-lined steel pipes can be fixed together, the use is convenient, and the sealing performance of the connecting part of the steel pipes is improved.

Wherein, the outside of outside steel pipe 12 is covered with one deck zinc-iron alloy layer 11, and the outside of zinc-iron alloy layer 11 is covered with one side pure zinc layer 10, is the vacuum layer 13 between outside steel pipe 12 and the inside steel pipe 14.

The inner wall of the plastic pipe 16 is coated with the anti-corrosion layer 17, and the fluid medium can be separated from the inner wall of the plastic pipe 16 by the anti-corrosion layer 17, so that the plastic pipe 16 is prevented from being corroded by substances in the fluid medium, and the service life of the plastic-lined steel pipe is prolonged.

The working principle is as follows: when the plastic-lined steel pipe is used, the clamping groove 8 is clamped with the threaded ring 7 to fix two sections of plastic-lined steel pipes together, the use is convenient, the clamping block 6 is clamped with the groove 4, the sealing strip 5 is fixed at the joint of the joint I2 and the joint II 3, the sealing part between the joint I2 and the joint II 3 is sealed from the outside to increase the sealing property of pipeline connection, the arrangement of the soft rubber layer 9 enables the sealing strip 5 to be more tightly connected with the joint I2 and the joint II 3 to increase the sealing property, the arrangement of the anti-corrosion layer 17 separates a fluid medium from the inner wall of the plastic pipe 16 to prevent the substance in the fluid medium from corroding the plastic pipe 16 and prolong the service life of the plastic-lined steel pipe, the pipe wall of the plastic-lined steel pipe is arranged into a double-layer steel pipe to increase the compression resistance of the plastic-lined steel pipe, improve the strength of the plastic-lined steel pipe and prolong the service life of the plastic-lined steel pipe, and the plastic-lined steel pipe fixes the pipe 16 in the inner steel, make and leave the gap between 16 and the inboard steel pipe 14 of plastic pipe, the plastic pipe 16 of being convenient for takes place deformation, and flexible glue post 15 has elasticity, can increase the compressive property of this lining plastic steel pipe, and when 16 deformations of plastic pipe were great, the resilience force of flexible glue post 15 can assist the recovery of plastic pipe 16 simultaneously.

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 high strength lining plastic steel pipe, includes steel pipe body (1), sealing strip (5), connects one (2) and connects two (3), its characterized in that: the steel pipe comprises a steel pipe body (1), wherein one end of the steel pipe body (1) is fixedly connected with a first joint (2), the other end of the other steel pipe body (1) is fixedly connected with a second joint (3), the first joint (2) is in threaded connection with the second joint (3), the steel pipe body (1) comprises an outer steel pipe (12), an inner steel pipe (14) and a plastic pipe (16), an inner ring of the inner steel pipe (14) is uniformly and fixedly connected with a soft rubber column (15), and the other end of the soft rubber column (15) is fixedly connected with the outer side of the plastic pipe (16).

2. The high-strength plastic-lined steel pipe as recited in claim 1, wherein: the outer rings of the first connector (2) and the second connector (3) are uniformly provided with grooves (4), one side of the sealing strip (5) is uniformly and fixedly connected with a clamping block (6), the clamping block (6) is matched with the grooves (4), and one side of the sealing strip (5) is fixedly connected with a soft rubber layer (9).

3. The high-strength plastic-lined steel pipe as recited in claim 1, wherein: the side of the first connector (2) is provided with a clamping groove (8), an inner ring of the clamping groove (8) is provided with an internal thread, one side of the second connector (3) is fixedly connected with a thread ring (7), and the thread ring (7) is matched with the clamping groove (8).

4. The high-strength plastic-lined steel pipe as recited in claim 1, wherein: the steel pipe is characterized in that a zinc-iron alloy layer (11) covers the outer side of the outer steel pipe (12), a pure zinc layer (10) covers the outer side of the zinc-iron alloy layer (11), and a vacuum layer (13) is arranged between the outer steel pipe (12) and the inner steel pipe (14).

5. The high-strength plastic-lined steel pipe as recited in claim 1, wherein: the inner wall of the plastic pipe (16) is coated with an anti-corrosion layer (17).