CN213629272U

CN213629272U - High-strength plastic-coated composite steel pipe

Info

Publication number: CN213629272U
Application number: CN202022565677.3U
Authority: CN
Inventors: 周浩
Original assignee: Chongqing Ming Ho Pipe Industry Co ltd
Current assignee: Chongqing Ming Ho Pipe Industry Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-07-06
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a compound steel pipe of high strength plastic-coated, including the connecting axle, the connecting axle inner wall is provided with the protection skin, the outer inner wall of protection is provided with the resistance to compression layer, the resistance to compression in situ wall is provided with the steel pipe body, steel pipe body inner wall is provided with the anticorrosive coating, the inside screw that is provided with of connecting axle, the inside spout that is provided with of protection skin, the inside cavity that is provided with of resistance to compression layer, the inside damping spring that is provided with of cavity, the inside slider that is provided with of spout, the outer one side of keeping away from the spout of protection is provided with the locating hole, two be provided. This compound steel pipe of high strength plastic-coated can reach and connect more accurately between compound steel pipe through setting up locating hole and fixed block, the difficult purpose that leaks to through setting up slider and metal collapsible tube, can reach the purpose of being convenient for carry and this compound steel pipe turn to when using.

Description

High-strength plastic-coated composite steel pipe

Technical Field

The utility model relates to a compound steel pipe technical field specifically is a compound steel pipe of high strength plastic-coated.

Background

In recent years, the plastic pipe has the advantages of light weight, good corrosion resistance, high impact resistance and tensile strength, small friction coefficient, small fluid resistance, convenient transportation, simple installation and the like, and is rapidly developed in China, but the defects of insufficient firmness, poor pressure resistance and the like of the plastic pipe are also exposed in wide application.

The prior art has the following defects or problems:

1. when the existing composite steel pipe is connected, a connecting bolt is generally adopted to connect two steel pipes, but the method is not tight enough in connection, the phenomenon of water leakage occurs at the connection part, and the safety is not enough;

2. when the existing composite steel pipe is used, the surface of the steel pipe is smooth and is not easy to carry, and the steel pipe is generally in a straight-going form when being connected, so that the direction can not be changed, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the weak point of prior art, a compound steel pipe of high strength plastic-coated is provided, when connecting to solve the current compound steel pipe that proposes in the background art, generally adopt connecting bolt to connect two steel pipes, nevertheless this kind of method is inseparable when connecting, the phenomenon of leaking can appear in the junction, problem safe inadequately, and current compound steel pipe is when using, the steel pipe surface is smooth, difficult transport, and the steel pipe generally adopts the form of going straight when connecting, unable redirecting, use inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: a high-strength plastic-coated composite steel pipe comprises a connecting shaft, wherein a protective outer layer is arranged on the inner wall of the connecting shaft, the inner wall of the protective outer layer is provided with a pressure-resistant layer, the inner wall of the pressure-resistant layer is provided with a steel pipe body, the inner wall of the steel pipe body is provided with an anticorrosive layer, a screw hole is arranged in the connecting shaft, a sliding groove is arranged in the protective outer layer, a cavity is arranged in the compression resistant layer, a damping spring is arranged in the cavity, a slide block is arranged in the chute, a positioning hole is arranged on one side of the protective outer layer away from the chute, a metal hose is arranged between the two connecting shafts, the top of the inner wall of the positioning hole is provided with a limiting block, the inner part of the surface of the outer protection layer is provided with a fixing hole, the outer wall of protection skin one side is provided with the fixed block, fixed block center department is provided with the spacing groove, the fixed block is kept away from protection skin one side and is provided with the fixture block.

As the utility model discloses an optimized technical scheme, the quantity of screw is a plurality of, the inside bolt that is provided with of screw, two the connecting axle passes through screw and bolt fixed connection.

As the utility model discloses an optimal technical scheme, the quantity of spout is a plurality of, the external diameter size of slider and the internal diameter size phase-match of spout, the slider is type of calligraphy protrudingly, the slider passes through spout and protective outer sliding connection.

As the utility model discloses an optimal technical scheme, the quantity of cavity is a plurality of, damping spring fixed mounting is at the cavity inner wall, the protection is outer to be passed through damping spring and steel pipe body elastic connection.

As the utility model discloses an optimal technical scheme, the quantity of locating hole is a plurality of, the fixed block passes through locating hole and the outer swing joint of protection, the spacing groove passes through stopper and the outer sliding connection of protection, the fixture block passes through fixed orifices and the outer swing joint of protection.

As the utility model discloses an preferred technical scheme, connecting axle internal diameter size and the outer external diameter size phase-match of protection, connecting axle fixed mounting is at the outer wall of protection, the outer external diameter size of protection and metal collapsible tube's external diameter size phase-match.

As the utility model discloses a preferred technical scheme, the external diameter size and the outer internal diameter size of protection of anti-pressure layer want to match, the external diameter size and the internal diameter size phase-match of anti-pressure layer of steel pipe body, the external diameter size and the internal diameter size phase-match of steel pipe body of anticorrosive coating.

Compared with the prior art, the utility model provides a compound steel pipe of high strength plastic-coated possesses following beneficial effect:

1. according to the high-strength plastic-coated composite steel pipe, the positioning holes are formed, the limiting blocks are arranged at the tops of the inner walls of the positioning holes, the fixing holes are formed in the upper ends of the positioning holes, the fixing blocks are arranged, the limiting grooves are formed in the centers of the fixing blocks, the clamping blocks are arranged on one sides of the fixing blocks, the fixing blocks are inserted into the positioning holes, the limiting grooves slide on the limiting blocks, and the clamping blocks are clamped with the fixing holes, so that the composite steel pipes are connected more precisely and are not;

2. this compound steel pipe of high strength plastic-coated through setting up the spout, the inside slider that sets up of spout, the slider slides inside the spout to the slider is type, in order to prevent that this compound steel pipe surface from too smooth, is difficult for the transport, through setting up the connecting axle, the inside screw that sets up of connecting axle, sets up metal collapsible tube between the connecting axle, in order to realize turning to of this compound steel pipe when using.

Drawings

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

FIG. 2 is a schematic view of the protective outer layer structure of the present invention;

FIG. 3 is a schematic view of the structure of the connecting shaft of the present invention;

FIG. 4 is a schematic view of the internal structure of the chute of the present invention;

fig. 5 is a schematic view of the fixing block structure of the present invention.

In the figure: 1. a connecting shaft; 2. an outer protective layer; 3. a pressure resistant layer; 4. a steel pipe body; 5. an anticorrosive layer; 6. a screw hole; 7. a chute; 8. a cavity; 9. a damping spring; 10. a slider; 11. positioning holes; 12. a metal hose; 13. a limiting block; 14. a fixing hole; 15. a fixed block; 16. a limiting groove; 17. and (7) clamping blocks.

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, in this embodiment: the utility model provides a compound steel pipe of high strength plastic-coated, including connecting

axle

1, 1 inner wall of connecting axle is provided with protection skin 2, protection skin 2 inner wall is provided with compressive layer 3, compressive layer 3 inner wall is provided with steel pipe body 4, steel pipe body 4 inner wall is provided with

anticorrosive coating

5, 1 inside screw 6 that is provided with of connecting axle, the inside spout 7 that is provided with of protection skin 2, the inside cavity 8 that is provided with of compressive layer 3, the inside damping spring 9 that is provided with of cavity 8, the inside slider 10 that is provided with of spout 7, the one side that spout 7 was kept away from to protection skin 2 is provided with locating hole 11, be provided with metal collapsible tube 12 between two connecting axles 1, locating hole 11 inner wall top is provided with stopper 13, the inside fixed orifices 14 that is provided with in protection skin 2 surface, protection skin 2 one side outer wall is provided with fixed.

In the embodiment, the number of the screw holes 6 is several, the bolts are arranged in the screw holes 6, and the two connecting shafts 1 are fixedly connected with the bolts through the screw holes 6, so that the metal hose 12 is connected, and the steering is facilitated; the number of the sliding grooves 7 is a plurality, the outer diameter size of the sliding block 10 is matched with the inner diameter size of the sliding grooves 7, the sliding block 10 is in a convex shape, the sliding block 10 is in sliding connection with the protective outer layer 2 through the sliding grooves 7, the sliding block 10 can prevent the composite steel pipe from slipping, and the composite steel pipe is convenient to carry; the number of the cavities 8 is a plurality, the damping springs 9 are fixedly arranged on the inner wall of the cavities 8, the protective outer layer 2 is elastically connected with the steel pipe body 4 through the damping springs 9, and pressure of the outside on the steel pipe body 4 is reduced; the number of the positioning holes 11 is several, the fixing block 15 is movably connected with the outer protection layer 2 through the positioning holes 11, the limiting groove 16 is slidably connected with the outer protection layer 2 through the limiting block 13, and the fixing block 17 is movably connected with the outer protection layer 2 through the fixing hole 14, so that the connection of the composite steel pipe is realized, and the sealing performance is improved; the inner diameter of the connecting shaft 1 is matched with the outer diameter of the protective outer layer 2, the connecting shaft 1 is fixedly arranged on the outer wall of the protective outer layer 2, the outer diameter of the protective outer layer 2 is matched with the outer diameter of the metal hose 12, and water accumulation in the composite steel pipe is prevented; the external diameter size of resistance to compression layer 3 and the internal diameter size of the outer 2 of protection want to match, and the external diameter size of steel pipe body 4 and the internal diameter size phase-match of resistance to compression layer 3, and the external diameter size of anticorrosive coating 5 and the internal diameter size phase-match of steel pipe body 4 prevent that composite steel pipe from leaking and getting into the composite bed, lead to breaking away from of composite bed.

The utility model discloses a theory of operation and use flow: this compound steel pipe of high strength plastic-coated, during the use, the user can press down fixed block 15 and peg graft into locating hole 11, this compound steel pipe rotates this moment, spacing groove 16 on the fixed block 15 combines together with stopper 13 in the locating hole 11, make fixture block 17 remove the below of fixed orifices 14, loosen the pressure to fixed block 15 this moment, make fixture block 17 and fixed orifices 14 joint, accomplish the connection of this compound steel pipe, through inserting slider 10 to spout 7 inside, make this compound steel pipe surface protruding, convenient transport, when this compound steel pipe needs the moving direction, to the inside bolt of nailing of connecting axle 1, connect metal collapsible tube 12, accomplish the purpose that turns to.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a compound steel pipe of high strength plastic-coated which characterized in that: comprises a connecting shaft (1), wherein a protective outer layer (2) is arranged on the inner wall of the connecting shaft (1), a pressure resistant layer (3) is arranged on the inner wall of the protective outer layer (2), a steel pipe body (4) is arranged on the inner wall of the pressure resistant layer (3), an anticorrosive layer (5) is arranged on the inner wall of the steel pipe body (4), a screw hole (6) is arranged in the connecting shaft (1), a sliding groove (7) is arranged in the protective outer layer (2), a cavity (8) is arranged in the pressure resistant layer (3), a damping spring (9) is arranged in the cavity (8), a sliding block (10) is arranged in the sliding groove (7), a positioning hole (11) is arranged on one side, away from the sliding groove (7), of the protective outer layer (2), a metal hose (12) is arranged between the two connecting shafts (1), and a, the utility model discloses a safety protection device, including protection outer (2) inside surface, protection outer (2) one side outer wall is provided with fixed block (15), fixed block (15) center department is provided with spacing groove (16), fixed block (15) are kept away from protection outer (2) one side and are provided with fixture block (17).

2. The high-strength plastic-coated composite steel pipe according to claim 1, characterized in that: the number of screw hole (6) is a plurality of, screw hole (6) inside is provided with the bolt, two connecting axle (1) is through screw hole (6) and bolt fixed connection.

3. The high-strength plastic-coated composite steel pipe according to claim 1, characterized in that: the quantity of spout (7) is a plurality of, the external diameter size of slider (10) and the internal diameter size phase-match of spout (7), slider (10) are type of calligraphy, slider (10) are through spout (7) and protection skin (2) sliding connection.

4. The high-strength plastic-coated composite steel pipe according to claim 1, characterized in that: the number of cavity (8) is a plurality of, damping spring (9) fixed mounting is in cavity (8) inner wall, outer (2) of protection pass through damping spring (9) and steel pipe body (4) elastic connection.

5. The high-strength plastic-coated composite steel pipe according to claim 1, characterized in that: the number of locating hole (11) is a plurality of, fixed block (15) are through locating hole (11) and outer (2) swing joint of protection, spacing groove (16) are through stopper (13) and outer (2) sliding connection of protection, fixture block (17) are through fixed orifices (14) and outer (2) swing joint of protection.

6. The high-strength plastic-coated composite steel pipe according to claim 1, characterized in that: connecting axle (1) internal diameter size and the external diameter size phase-match of protection skin (2), connecting axle (1) fixed mounting is in protection skin (2) outer wall, the external diameter size of protection skin (2) and the external diameter size phase-match of metal collapsible tube (12).

7. The high-strength plastic-coated composite steel pipe according to claim 1, characterized in that: the outer diameter of the pressure-resistant layer (3) is matched with the inner diameter of the protective outer layer (2), the outer diameter of the steel pipe body (4) is matched with the inner diameter of the pressure-resistant layer (3), and the outer diameter of the anticorrosive layer (5) is matched with the inner diameter of the steel pipe body (4).