Flexible PE steel wire pipe

Abstract

The utility model discloses a flexible PE steel wire pipe which comprises a pipe body, the pipe body comprises a butadiene rubber layer, a heat preservation layer is fixedly connected to the circumferential outer wall of the butadiene rubber layer, polytetrafluoroethylene is sprayed to the circumferential outer wall of the heat preservation layer, the heat preservation layer comprises a steel wire framework, and an anti-crack cloth net is fixedly connected to the outer side of the steel wire framework. The gaps of the anti-crack cloth net are filled with rigid polyurethane foam, and a plurality of fixing balls are installed on the inner wall of the circumference of the pipe body. The PE pipe has good tensile effect and crack resistance through the crack-resistant cloth net, the flexibility of the pipe body is improved, meanwhile, the compression resistance and wear resistance of the PE pipe are improved through the cold resistance, wear resistance, good elasticity and aging resistance of the butadiene rubber layer, the service life is prolonged, and the service life of the PE pipe is prolonged. And water in the pipe body can flow conveniently through the fixing ball, so that the pipe body is prevented from being blocked.

Description

Technical Field

[0001] The utility model relates to the technical field of steel wire pipes, in particular to a flexible PE steel wire pipe. Background Art

[0002] PE material is widely used in the field of water supply and drainage manufacturing. Because it does not rust, it is an ideal pipe to replace ordinary iron water pipes.

[0003] After searching, a Chinese patent with publication number CN217583501U discloses a wear-resistant PE pipe, including a PE pipe body, a butt pipe, a first flange and a second flange. It is not easy to leak in the later stage. However, there is still the following defect: when the PE pipe is in use, due to the lack of toughness, it is easy to be damaged when the PE pipe is bent. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a flexible PE steel wire pipe.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A flexible PE steel wire pipe comprises a pipe body, wherein the pipe body comprises a butadiene rubber layer, a thermal insulation layer is fixedly connected to the circumferential outer wall of the butadiene rubber layer, polytetrafluoroethylene is sprayed on the circumferential outer wall of the thermal insulation layer, the thermal insulation layer comprises a steel wire skeleton, an anti-cracking cloth net is fixedly connected to the outer side of the steel wire skeleton, and the gaps of the anti-cracking cloth net are filled with hard polyurethane foam.

[0007] As a further solution of the utility model, a plurality of fixing balls are installed on the circumferential inner wall of the tube body.

[0008] As a further solution of the utility model, one end of the tube body is fixedly connected with a first flange.

[0009] As a further solution of the utility model, the other end of the tube body is fixedly connected with a second flange.

[0010] As a further solution of the utility model, a sealing ring is fixedly connected to one side of the first flange and the second flange.

[0011] As a further solution of the utility model, a plurality of connection holes are provided inside the first flange and the second flange, and screws are inserted into the connection holes.

[0012] As a further solution of the utility model, a nut is movably connected to the outer side of the screw.

[0013] The beneficial effects of the utility model are:

[0014] 1. The anti-crack mesh makes the PE pipe have good tensile resistance and crack resistance, and improves the flexibility of the pipe body.

[0015] 2. The butadiene rubber layer in the utility model has cold resistance, wear resistance, good elasticity and aging resistance, which improves the pressure resistance and wear resistance of the PE pipe and extends its service life. The polytetrafluoroethylene makes the outer wall of the PE steel wire pipe have a smooth surface, which improves the wear resistance of the outer wall of the PE steel wire pipe.

[0016] 3. By installing a fixed ball inside the pipe body, the flow of water in the pipe body is facilitated to prevent the pipe body from being blocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural schematic diagram of a flexible PE steel wire pipe proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the enlarged structure of the insulation layer of a flexible PE steel wire pipe proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the enlarged structure of the anti-cracking mesh of the flexible PE steel wire pipe proposed by the utility model.

[0020] In the figure: 1. first flange; 2. pipe body; 3. second flange; 4. sealing ring; 5. screw; 6. nut; 7. fixing ball; 8. insulation layer; 9. butadiene rubber layer; 10. anti-cracking cloth net; 11. steel wire skeleton; 12. polytetrafluoroethylene; 13. hard polyurethane foam. DETAILED DESCRIPTION

[0021] It should be noted that the terms "first", "second", etc. in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence, so that the embodiments of the application described here, based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of this application.

[0022] Reference Figure 1-Figure 3A flexible PE steel wire pipe comprises a pipe body 2, wherein the pipe body 2 comprises a cis-butyl rubber layer 9, wherein the cis-butyl rubber layer 9 is made of a synthetic rubber material with a regular structure formed by polymerization of dienes, wherein the cis-butyl rubber layer 9 itself has cold resistance, wear resistance, good elasticity and aging resistance, thereby improving the compression resistance and wear resistance of the PE pipe and prolonging its service life, wherein the circumferential outer wall of the cis-butyl rubber layer 9 is bonded with a heat-insulating layer 8, wherein the heat-insulating layer 8 improves the heat-insulating effect of the PE steel wire pipe, wherein the circumferential outer wall of the heat-insulating layer 8 is sprayed with polytetrafluoroethylene 12, wherein the polytetrafluoroethylene 1 2 makes the outer wall of the PE steel wire pipe form a smooth surface, so that the wear resistance of the outer wall of the PE steel wire pipe is improved, the insulation layer 8 includes a steel wire skeleton 11, and the outer side of the steel wire skeleton 11 is bonded with an anti-cracking cloth net 10, and the anti-cracking cloth net 10 is a composite material composed of a composite resin and a support net. The composite resin is made of a thermoplastic polyethylene material, and the support net is made of a number of fine fiber woven fabrics, so that the PE pipe has good tensile resistance and crack resistance, and improves the flexibility of the pipe body 2. The gaps in the anti-cracking cloth net 10 are filled with hard polyurethane foam 13.

[0023] In the present utility model, it should be noted that a plurality of fixing balls 7 are installed on the circumferential inner wall of the tube body 2, the fixing balls 7 facilitate the flow of water in the tube body 2 and prevent the tube body 2 from being blocked, the first flange 1 and the second flange 3 are respectively fixed at both ends of the tube body 2 by bolts, a sealing ring 4 is bonded to one side of the first flange 1 and the second flange 3, the sealing ring 4 can seal the connection between the two tube bodies 2 to prevent the connection between the tube bodies 2 from leaking easily, a plurality of connecting holes are opened inside the first flange 1 and the second flange 3, screws 5 are inserted into the connecting holes, and nuts 6 are threadedly connected to the outer sides of the screws 5.

[0024] Working principle: When a flexible PE steel wire pipe is needed, the butadiene rubber layer 9 is made of a synthetic rubber material with a regular structure formed by the polymerization of dienes. The butadiene rubber layer 9 itself has cold resistance, wear resistance, good elasticity and aging resistance, which improves the pressure resistance and wear resistance of the PE pipe and extends its service life. The anti-cracking cloth net 10 is a composite material composed of a composite resin and a support net. The composite resin is made of thermoplastic polyethylene material, and the support net is made of a number of fine fiber woven fabrics, which makes the PE pipe have good tensile resistance and crack resistance and improves the flexibility of the pipe body 2. Polytetrafluoroethylene 12 makes the outer wall of the PE steel wire pipe have a smooth surface, which improves the wear resistance of the outer wall of the PE steel wire pipe.

[0025] The present invention has been described through the above-mentioned embodiments. Those skilled in the art will appreciate that the present invention is not limited to the above-mentioned embodiments, and more modifications may be made according to the teachings of the present invention. These modifications are all within the scope of protection claimed by the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A flexible PE steel wire pipe, comprising a pipe body (2), characterized in that: The tube body (2) comprises a butadiene rubber layer (9), the circumferential outer wall of the butadiene rubber layer (9) is fixedly connected to a thermal insulation layer (8), the circumferential outer wall of the thermal insulation layer (8) is sprayed with polytetrafluoroethylene (12), the thermal insulation layer (8) comprises a steel wire skeleton (11), the outer side of the steel wire skeleton (11) is fixedly connected to an anti-cracking cloth net (10), and the gaps in the anti-cracking cloth net (10) are filled with hard polyurethane foam (13).

2. A flexible PE steel wire pipe according to claim 1, characterized in that: A plurality of fixing balls (7) are installed on the circumferential inner wall of the tube body (2).

3. A flexible PE steel wire pipe according to claim 1, characterized in that: One end of the tube body (2) is fixedly connected to a first flange (1).

4. A flexible PE steel wire pipe according to claim 3, characterized in that: The other end of the tube body (2) is fixedly connected to a second flange (3).

5. A flexible PE steel wire pipe according to claim 4, characterized in that: A sealing ring (4) is fixedly connected to one side of each of the first flange (1) and the second flange (3).

6. A flexible PE steel wire pipe according to claim 4, characterized in that: The first flange (1) and the second flange (3) are both provided with a plurality of connection holes inside, and screws (5) are inserted into the connection holes.

7. A flexible PE steel wire pipe according to claim 6, characterized in that: A nut (6) is movably connected to the outer side of the screw (5).

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