CN215445585U

CN215445585U - Compound strenghthened type plastic-coated steel pipe

Info

Publication number: CN215445585U
Application number: CN202121574954.5U
Authority: CN
Inventors: 姚碧好; 李祖宝
Original assignee: Anhui Mingmu Electric Power Technology Co ltd
Current assignee: Anhui Mingmu Electric Power Technology Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-01-07
Anticipated expiration: 2031-07-12

Abstract

The utility model belongs to the technical field of steel pipes, and particularly relates to a composite reinforced plastic-coated steel pipe which comprises a steel pipe body, wherein a heat insulation layer is arranged on the outer side of the steel pipe body, and an outer plastic-coated layer is arranged on the outer side of the heat insulation layer; the steel pipe comprises a steel pipe body and is characterized in that an inner plastic coating is arranged on the inner side of the steel pipe body, a fixing layer is arranged on the inner side of the inner plastic coating, limiting grooves are symmetrically formed in the end face of the inner side of the fixing layer, a limiting ring is fixed on one side of the fixing layer, which is different from the inner plastic coating, and one end of the limiting ring extends to the outer side of the steel pipe body; the steel pipe is fixed by arranging the fixing ring, the fixing block and the fixing bolt, so that seamless connection of the steel pipe is realized, the installation is convenient, the operation is simple, the sealing performance is better, the stability is high, and the labor amount of workers is greatly reduced; through setting up stopper and spacing spring, can fix the stopper at the spacing inslot, carry out quick fixed connection to the steel pipe.

Description

Compound strenghthened type plastic-coated steel pipe

Technical Field

The utility model belongs to the technical field of steel pipes, and particularly relates to a composite reinforced plastic-coated steel pipe.

Background

Along with scientific development and social progress, plastic-coated composite steel pipes exist in daily life, the plastic-coated composite steel pipes bring great convenience to our life, the plastic-coated steel pipes, also known as plastic-coated pipes, steel-plastic composite pipes and plastic-coated composite steel pipes, are steel pipes taking steel pipes as substrates, but when the existing plastic-coated composite steel pipes are connected with an external end head pipe, the existing plastic-coated composite steel pipes are poor in sealing performance and cause medium circulating in the pipes to leak due to the fact that the structure is single, the strength of the steel pipes is low, the steel pipes are easy to break and poor in corrosion resistance, and the connection process of spiral steel pipes is not firm enough and the connection positions of the end heads are not firm enough;

most steel pipes all adopt fixed connection or external installation at the in-process that uses, and connection structure stability is relatively poor, adopts the fixed condition that takes place to become flexible easily for a long time of screw fixation, has certain potential safety hazard, influences the normal use of steel pipe.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a composite reinforced plastic-coated steel tube which has the characteristics of seamless connection of steel tubes, convenience in installation, simplicity in operation, better sealing performance, high stability and capability of greatly reducing the labor capacity of workers.

The purpose of the utility model can be realized by the following technical scheme:

a composite reinforced plastic-coated steel pipe comprises a steel pipe body, wherein a heat insulation layer is arranged on the outer side of the steel pipe body, and an outer plastic-coated layer is arranged on the outer side of the heat insulation layer; the steel pipe comprises a steel pipe body and is characterized in that an inner plastic coating is arranged on the inner side of the steel pipe body, a fixing layer is arranged on the inner side of the inner plastic coating, limiting grooves are symmetrically formed in the end face of the inner side of the fixing layer, a limiting ring is fixed on one side of the fixing layer, which is different from the inner plastic coating, and one end of the limiting ring extends to the outer side of the steel pipe body;

one side of the limiting ring, which is close to the fixing layer, is provided with a groove, a limiting spring is fixed in the groove, one end of the limiting spring is fixedly connected with a limiting block, and one side of the limiting block, which is different from the limiting spring, is positioned in the limiting groove.

As the preferable technical scheme of the composite reinforced plastic-coated steel pipe, sliding grooves are symmetrically formed in two sides, close to the fixed layer, of the groove, sliding blocks are arranged in the sliding grooves in a sliding mode, and sliding rails matched with the sliding blocks are arranged in the sliding grooves.

As the preferable technical scheme of the composite reinforced plastic-coated steel pipe, one end of the sliding block extends into the groove and is fixedly connected with the limiting block.

According to the preferable technical scheme of the composite reinforced plastic-coated steel tube, one end of the fixed layer is provided with a clamping groove, the other end of the fixed layer is provided with a clamping block matched with the clamping groove, and the clamping groove is connected with the clamping block in a clamping mode.

According to the preferable technical scheme of the composite reinforced plastic-coated steel tube, the outer side of the outer plastic-coated layer is provided with the fixing ring, one side wall of the fixing ring is in an opening shape, the inner end face, facing the outer plastic-coated layer, of the fixing ring is provided with the fixing blocks, the fixing blocks are uniformly distributed on the outer side of the outer plastic-coated layer, the inner end face, facing the fixing blocks, of the fixing ring is provided with the connecting blocks in an inserted mode, and the other end of each connecting block is connected with the corresponding fixing block in an inserted mode.

As the preferable technical scheme of the composite reinforced plastic-coated steel tube, fixing plates are symmetrically fixed on the outer walls of two sides of the opening of the fixing ring, and fixing bolts are connected to the fixing plates in a threaded mode.

The utility model has the beneficial effects that:

1. go into fixedly through setting up solid fixed ring and fixed block, fixing bolt to the steel pipe to the realization carries out seamless connection to the steel pipe, simple to operate, easy operation, the leakproofness is better, and stability is high, greatly reduced staff's the amount of labour.

2. Through setting up stopper and spacing spring, can fix the stopper at the spacing inslot, carry out quick fixed connection to the steel pipe.

3. By arranging the inner plastic coating and the outer plastic coating, the steel pipe is prevented from being corroded due to environmental factors, and the service life of the steel pipe is prolonged.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of a composite reinforced plastic-coated steel pipe according to the present invention;

FIG. 2 is a partially enlarged view of a steel pipe according to the present invention;

FIG. 3 is a cross-sectional view of a composite reinforced plastic-coated steel pipe according to the present invention;

FIG. 4 is an enlarged view of FIG. 3 at A.

Description of the main elements

In the figure: 1. a steel pipe body; 2. an inner plastic coating; 3. a thermal insulation layer; 4. coating a plastic layer; 5. a fixing ring; 6. a fixing plate; 7. fixing the bolt; 8. a chute; 9. connecting blocks; 10. a fixed block; 11. a fixed layer; 12. a limiting ring; 13. a card slot; 14. a clamping block; 15. a groove; 16. a limiting spring; 17. a limiting block; 18. a limiting groove; 19. a slide block.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a composite reinforced plastic-coated steel pipe comprises a steel pipe body 1, wherein a heat insulation layer 3 is arranged on the outer side of the steel pipe body 1, and an outer plastic-coated layer 4 is arranged on the outer side of the heat insulation layer 3;

in the embodiment, the inner plastic coating 2 and the outer plastic coating 4 are arranged, so that the steel pipe is prevented from being corroded due to environmental factors, and the service life of the steel pipe is prolonged.

The inner side of the steel pipe body 1 is provided with an inner plastic coating 2, the inner side of the inner plastic coating 2 is provided with a fixed coating 11, the end surface of the inner side of the fixed coating 11 is symmetrically provided with limit grooves 18, one side of the fixed coating 11, which is different from the inner plastic coating 2, is fixed with a limit ring 12, and one end of the limit ring 12 extends to the outer side of the steel pipe body 1;

a groove 15 is formed in one side, close to the fixing layer 11, of the limiting ring 12, a limiting spring 16 is fixed in the groove 15, a limiting block 17 is fixedly connected to one end of the limiting spring 16, and one side, different from the limiting spring 16, of the limiting block 17 is located in a limiting groove 18; the two sides of the groove 15 close to the fixed layer 11 are symmetrically provided with sliding grooves 8, sliding blocks 19 are arranged in the sliding grooves 8 in a sliding mode, and sliding rails matched with the sliding blocks 19 are arranged in the sliding grooves 8; one end of the sliding block 19 extends into the groove 15 and is fixedly connected with the limiting block 17.

In this embodiment, through setting up stopper 17 and spacing spring 16, can fix stopper 17 in spacing groove 18, carry out quick fixed connection to the steel pipe.

Specifically, a clamping groove 13 is formed in one end of the fixing layer 11, a clamping block 14 matched with the clamping groove 13 is arranged at the other end of the fixing layer 11, and the clamping groove 13 is connected with the clamping block 14 in a clamping mode.

Specifically, a fixing ring 5 is arranged on the outer side of the outer plastic-coated layer 4, one side wall of the fixing ring 5 is open, a plurality of fixing blocks 10 are arranged on the inner end face, facing the outer plastic-coated layer 4, of the fixing ring 5, the fixing blocks 10 are uniformly distributed on the outer side of the outer plastic-coated layer 4, a plurality of connecting blocks 9 are inserted into the inner end face, facing the fixing blocks 10, of the fixing ring 5, and the other ends of the connecting blocks 9 are inserted into the fixing blocks 10; the fixing rings 5 are symmetrically fixed with fixing plates 6 on the outer walls of two sides of the opening, and fixing bolts 7 are connected to the fixing plates 6 in a threaded mode.

In this embodiment, advance fixedly to the steel pipe through setting up solid fixed ring 5 and fixed block 10, fixing bolt 7 to the realization carries out seamless connection to the steel pipe, simple to operate, easy operation, and the leakproofness is better, and stability is high, greatly reduced staff's the amount of labour.

The working principle and the using process of the utility model are as follows: the two steel pipe bodies 1 are attached together, the clamping block 14 is clamped in the clamping groove 13, and the limiting block 17 on the limiting ring 12 extends into the limiting block 17 under the pushing of the limiting spring 16 to clamp the two steel pipe bodies 1; by arranging the limiting block 17 and the limiting spring 16, the limiting block 17 can be fixed in the limiting groove 18 to quickly and fixedly connect the steel pipes; simultaneously fixing the fixing ring 5 at the joint of the two steel pipe bodies 1, screwing the fixing bolt 7 on the fixing plate 6, and further fixing the joint of the two steel pipe bodies 1; go into fixedly to the steel pipe through setting up solid fixed ring 5 and fixed block 10, fixing bolt 7 to the realization carries out seamless connection to the steel pipe, simple to operate, easy operation, and the leakproofness is better, and stability is high, greatly reduced staff's the amount of labour.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a compound strenghthened type plastic-coated steel pipe, includes steel pipe body (1), its characterized in that: a heat insulation layer (3) is arranged on the outer side of the steel pipe body (1), and an outer plastic coating layer (4) is arranged on the outer side of the heat insulation layer (3); the steel pipe comprises a steel pipe body (1), and is characterized in that an inner plastic coating (2) is arranged on the inner side of the steel pipe body (1), a fixing layer (11) is arranged on the inner side of the inner plastic coating (2), limiting grooves (18) are symmetrically formed in the end face of the inner side of the fixing layer (11), a limiting ring (12) is fixed on one side of the fixing layer (11) different from the inner plastic coating (2), and one end of the limiting ring (12) extends to the outer side of the steel pipe body (1);

one side, close to the fixed layer (11), of the limiting ring (12) is provided with a groove (15), a limiting spring (16) is fixed in the groove (15), one end of the limiting spring (16) is fixedly connected with a limiting block (17), and one side, different from the limiting spring (16), of the limiting block (17) is located in a limiting groove (18).

2. The composite reinforced plastic-coated steel pipe of claim 1, which is characterized in that: the groove (15) is provided with sliding grooves (8) close to two sides of the fixed layer (11) symmetrically, sliding blocks (19) are arranged in the sliding grooves (8) in a sliding mode, and sliding rails matched with the sliding blocks (19) are arranged in the sliding grooves (8).

3. The composite reinforced plastic-coated steel pipe of claim 2, wherein: one end of the sliding block (19) extends into the groove (15) and is fixedly connected with the limiting block (17).

4. The composite reinforced plastic-coated steel pipe of claim 1, which is characterized in that: a clamping groove (13) is formed in one end of the fixing layer (11), a clamping block (14) matched with the clamping groove (13) is arranged at the other end of the fixing layer (11), and the clamping groove (13) is connected with the clamping block (14) in a clamping mode.

5. The composite reinforced plastic-coated steel pipe of claim 1, which is characterized in that: the outside on outer plastic-coated layer (4) is provided with solid fixed ring (5), and is the opening form on the lateral wall of solid fixed ring (5), gu fixed ring (5) are provided with a plurality of fixed block (10) towards on the interior terminal surface on outer plastic-coated layer (4), and fixed block (10) evenly distributed in the outside on outer plastic-coated layer (4), gu fixed ring (5) pegs graft on the interior terminal surface towards fixed block (10) and have a plurality of connecting block (9), the other end and the fixed block (10) of connecting block (9) are pegged graft.

6. The composite reinforced plastic-coated steel pipe of claim 5, which is characterized in that: the fixing ring (5) is symmetrically fixed with fixing plates (6) on the outer walls of two sides of the opening, and the fixing plates (6) are connected with fixing bolts (7) through threads.