High-pressure-resistant flexible composite HDPE (high-density polyethylene) pipeline

Abstract

The utility model discloses a high-pressure-resistant flexible composite HDPE (high-density polyethylene) pipeline, which relates to the technical field of HDPE pipelines and comprises an HDPE pipe body. A connecting pipe is arranged at one end of the HDPE pipe body; a first assembly pipe is fixedly connected to the outer side wall of the HDPE pipe body. The outer side wall of the connecting pipe is fixedly connected with a second assembling pipe. The second assembling pipe is arranged at one end of the first assembling pipe. A second connecting plate is fixedly connected to the outer side wall of the first assembling pipe. The HDPE pipe body and the connecting pipe are aligned, the positioning nut is rotated to be in threaded connection with one end of the positioning bolt, so that the two ends of the HDPE pipe body and the two ends of the connecting pipe are connected, the first sealing ring is aligned and attached to the second sealing ring in the connecting pipe, and the first sealing ring and the second sealing ring are made of rubber materials and have good sealing performance; through cooperation of the first sealing ring and the second sealing ring, the sealing performance between the HDPE pipe body and the connecting pipe can be improved, and the situation that a water source leaks at the joint of the HDPE pipe body and the connecting pipe is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of HDPE pipelines, and particularly relates to a high-pressure resistant flexible composite HDPE pipeline. Background Technique

[0002] The high-pressure resistant HDPE pipe, namely the high-density polyethylene high-pressure resistant pipe, is a pipe with excellent high-pressure resistant performance; the high-pressure resistant HDPE pipe uses high-density polyethylene as the main raw material, which is a thermoplastic resin with high crystallinity and non-polarity.

[0003] Chinese Patent with the authorization announcement number CN114893650A discloses a new type of high-pressure resistant HDPE water pipe, including a first HDPE core pipe. A through water delivery hole is opened at the upper end of the first HDPE core pipe, and an internal thread groove is opened at the upper part of the inner wall of the water delivery hole. A thick steel wire mesh one is fixedly connected to the outer surface of the first HDPE core pipe, an anti-wear layer one is fixedly connected to the outer surface of the thick steel wire mesh one, and an anti-corrosion layer one is coated on the outer surface of the anti-wear layer one; by arranging a compressive component on the HDPE upper connection mechanism, a thick steel wire mesh two is arranged on the compressive component, the inner surface of the thick steel wire mesh two is fixedly connected to the second HDPE core pipe, the outer surface of the thick steel wire mesh two is fixedly connected to the anti-wear layer two, and a polyethylene anti-corrosion layer is coated on the outer surface of the anti-wear layer two, so as to achieve the pressure resistance strength of the water pipe, prevent the HDPE water pipe from bursting, and also enable the outer surface of the water pipe to have good wear resistance, increasing the service life of the water pipe.

[0004] The deficiencies of the above existing technical solutions are as follows: The above solution arranges a compressive component on the HDPE upper connection mechanism, fixedly connects the outer surface of the thick steel wire mesh two to the anti-wear layer two, and coats a polyethylene anti-corrosion layer on the outer surface of the anti-wear layer two, so as to achieve the pressure resistance strength of the water pipe and prevent the HDPE water pipe from bursting; however, the above solution is connected by threads, which is not suitable for large HDPE pipes, and the high-pressure resistant flexible composite HDPE pipe has a large water pressure, and the connection part is prone to water leakage, resulting in most of the water source being wasted. Therefore, we provide a high-pressure resistant flexible composite HDPE pipeline here. Content of the Utility Model

[0005] The purpose of the utility model is to provide a high-pressure resistant flexible composite HDPE pipeline to solve the technical problems in the prior art that the connection by threads is not suitable for large HDPE pipes, and the high-pressure resistant flexible composite HDPE pipe has a large water pressure, and the connection part is prone to water leakage, resulting in most of the water source being wasted.

[0006] The technical problems to be solved by the utility model can be realized through the following technical solutions:

[0007] A high-pressure resistant flexible composite HDPE pipe, comprising an HDPE pipe body; one end of the HDPE pipe body is provided with a connecting pipe; the outer side wall of the HDPE pipe body is fixedly connected with a first assembly pipe; the outer side wall of the connecting pipe is fixedly connected with a second assembly pipe; the second assembly pipe is arranged at one end of the first assembly pipe; the outer side wall of the first assembly pipe is fixedly connected with a second connecting plate; the outer side wall of the second assembly pipe is fixedly connected with a first connecting plate; a positioning bolt is fixedly connected inside the first connecting plate; one end of the positioning bolt is threadedly connected with a positioning nut; a sealing unit is arranged inside the HDPE pipe body.

[0008] As a further scheme of the present utility model: the sealing unit includes a first sealing ring; the first sealing ring is fixedly connected inside the HDPE pipe body; a second sealing ring is fixedly connected inside the connecting pipe; the second sealing ring is arranged on one side of the first sealing ring.

[0009] As a further scheme of the present utility model: a protective sleeve is arranged on the outer side wall of the HDPE pipe body; one end of the protective sleeve is fixedly connected with a first magic tape.

[0010] As a further scheme of the present utility model: a protective shell is arranged at the side end of the second connecting plate; one end of the protective shell is fixedly connected with a magnet sheet; the protective shell is arranged on one side of the positioning nut.

[0011] As a further scheme of the present utility model: a positioning magnet plate is fixedly connected inside the first sealing ring; the positioning magnet plate is arranged on one side of the second sealing ring.

[0012] As a further scheme of the present utility model: a second magic tape is fixedly connected to the side end of the first assembly pipe; the second magic tape is arranged on one side of the protective sleeve.

[0013] The beneficial effects of the present utility model: By aligning the HDPE pipe body and the connecting pipe, inserting one end of the connecting pipe into the inner side wall of the first assembly pipe, so that the first connecting plate and the second connecting plate are aligned and connected. After the staff inserts the positioning bolt into the first connecting plate and the second connecting plate, the positioning nut is rotated and threadedly connected with one end of the positioning bolt, so as to connect the two ends of the HDPE pipe body and the connecting pipe. The first sealing ring is aligned and fitted with the second sealing ring inside the connecting pipe. The first sealing ring and the second sealing ring are made of rubber material and have good sealing performance. Through the cooperation of the first sealing ring and the second sealing ring, the sealing performance between the HDPE pipe body and the connecting pipe can be improved, and the leakage of water source at the connection of the HDPE pipe body and the connecting pipe can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The following further describes the present utility model with reference to the drawings.

[0015] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the HDPE pipe body structure in the utility model;

[0017] Figure 3 It is the utility model Figure 2 Enlarged view at position A;

[0018] In the figure: 1. HDPE pipe body; 2. Connecting pipe; 3. First assembled pipe; 4. Second assembled pipe; 5. First connecting plate; 6. Second connecting plate; 7. Positioning bolt; 8. Positioning nut; 9. Protection shell; 10. Protection sleeve; 11. First magic tape; 12. Second magic tape; 13. First sealing ring; 14. Second sealing ring; 15. Positioning magnet plate. Specific implementation mode

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0020] As Figures 1-3 shown, a high-pressure resistant flexible composite HDPE pipeline includes an HDPE pipe body 1; one end of the HDPE pipe body 1 is provided with a connecting pipe 2; the outer side wall of the HDPE pipe body 1 is fixedly connected with a first assembled pipe 3; the outer side wall of the connecting pipe 2 is fixedly connected with a second assembled pipe 4; the second assembled pipe 4 is arranged at one end of the first assembled pipe 3; the outer side wall of the first assembled pipe 3 is fixedly connected with a second connecting plate 6; the outer side wall of the second assembled pipe 4 is fixedly connected with a first connecting plate 5; a positioning bolt 7 is fixedly connected inside the first connecting plate 5; one end of the positioning bolt 7 is threadedly connected with a positioning nut 8; a sealing unit is arranged inside the HDPE pipe body 1.

[0021] During work, align the HDPE pipe body 1 and the connecting pipe 2, insert one end of the connecting pipe 2 into the inner side wall of the first assembled pipe 3, so that the first connecting plate 5 and the second connecting plate 6 are aligned and connected. After the staff inserts the positioning bolt 7 into the first connecting plate 5 and the second connecting plate 6, rotate the positioning nut 8 to be threadedly connected with one end of the positioning bolt 7, thereby connecting both ends of the HDPE pipe body 1 and the connecting pipe 2.

[0022] The sealing unit includes a first sealing ring 13; the first sealing ring 13 is fixedly connected inside the HDPE pipe body 1; a second sealing ring 14 is fixedly connected inside the connecting pipe 2; the second sealing ring 14 is arranged on one side of the first sealing ring 13.

[0023] When the HDPE pipe body 1 and the connecting pipe 2 are aligned and assembled, the first sealing ring 13 inside the HDPE pipe body 1 is aligned and fitted with the second sealing ring 14 inside the connecting pipe 2. The first sealing ring 13 and the second sealing ring 14 are made of rubber material and have good sealing performance. Through the cooperation of the first sealing ring 13 and the second sealing ring 14, the sealing performance between the HDPE pipe body 1 and the connecting pipe 2 can be improved, and the leakage of water source at the connection of the HDPE pipe body 1 and the connecting pipe 2 can be reduced.

[0024] A protective sleeve 10 is provided on the outer side wall of the HDPE pipe body 1; one end of the protective sleeve 10 is fixedly connected with a first magic tape 11.

[0025] After the HDPE pipe body 1 and the connecting pipe 2 are connected and assembled, the protective sleeve 10 can be installed on the outer side wall of the HDPE pipe body 1. Cotton is provided inside the protective sleeve 10, which can reduce the loss of the HDPE pipe body 1 caused by sun exposure and also keep the temperature inside the HDPE pipe body 1 warm. The protective sleeve 10 can be installed on the HDPE pipe body 1 through the first magic tape 11. When the protective sleeve 10 needs to be disassembled, just tear the first magic tape 11.

[0026] A protective shell 9 is provided at the side end of the second connecting plate 6; one end of the protective shell 9 is fixedly connected with a magnet sheet; the protective shell 9 is provided on one side of the positioning nut 8.

[0027] After the HDPE pipe body 1 and the connecting pipe 2 are connected and assembled, the protective shell 9 can be installed on one side of the positioning nut 8. The protective shell 9 is adsorbed on the side end of the second connecting plate 6 through the magnetic attraction of the magnet sheet. The protective shell 9 can protect the positioning nut 8 from being corroded by external rainwater, reduce the rusting of the positioning nut 8, and thus extend the service life of the positioning nut 8.

[0028] A positioning magnet plate 15 is fixedly connected inside the first sealing ring 13; the positioning magnet plate 15 is provided on one side of the second sealing ring 14.

[0029] When positioning magnet plates 15 are provided inside both the first sealing ring 13 and the second sealing ring 14, the positioning magnet plates 15 come into contact after the first sealing ring 13 and the second sealing ring 14 are fitted. The positioning magnet plates 15 can assist in the connection and installation of the HDPE pipe body 1 and the connecting pipe 2, and the magnetic attraction of the positioning magnet plates 15 can also improve the connection sealing performance between the second sealing ring 14 and the first sealing ring 13.

[0030] A second magic tape 12 is fixedly connected to the side end of the first assembly pipe 3; the second magic tape 12 is provided on one side of the protective sleeve 10.

[0031] After the protective sleeve 10 is installed on the outer side wall of the HDPE pipe body 1, the second magic tape 12 can be attached to the protective sleeve 10, and the position of the protective sleeve 10 can be limited through the second magic tape 12, avoiding random sliding during the work process and affecting the protection of the HDPE pipe body 1.

[0032] The working principle of the utility model: During work, the HDPE pipe body 1 and the connecting pipe 2 are aligned, and one end of the connecting pipe 2 is inserted into the inner side wall of the first assembly pipe 3, so that the first connecting plate 5 and the second connecting plate 6 are aligned and connected. After the staff inserts the positioning bolt 7 into the first connecting plate 5 and the second connecting plate 6, the positioning nut 8 is rotated to be threadedly connected with one end of the positioning bolt 7, thereby connecting both ends of the HDPE pipe body 1 and the connecting pipe 2; When the HDPE pipe body 1 and the connecting pipe 2 are aligned and assembled, the first sealing ring 13 inside the HDPE pipe body 1 is aligned and attached to the second sealing ring 14 inside the connecting pipe 2. The first sealing ring 13 and the second sealing ring 14 are made of rubber material and have good sealing performance. Through the cooperation of the first sealing ring 13 and the second sealing ring 14, the sealing performance between the HDPE pipe body 1 and the connecting pipe 2 can be improved, reducing the leakage of water at the connection of the HDPE pipe body 1 and the connecting pipe 2; When positioning magnet plates 15 are provided inside both the first sealing ring 13 and the second sealing ring 14, the positioning magnet plates 15 come into contact after the first sealing ring 13 and the second sealing ring 14 are attached. Through the positioning magnet plates 15, the connection and installation of the HDPE pipe body 1 and the connecting pipe 2 can be assisted, and the connection sealing performance of the second sealing ring 14 and the first sealing ring 13 can also be improved through the magnetic attraction of the positioning magnet plates 15; After the HDPE pipe body 1 and the connecting pipe 2 are connected and assembled, the protective shell 9 can be installed on one side of the positioning nut 8. The protective shell 9 is adsorbed on the side end of the second connecting plate 6 through the magnetic attraction of the magnet sheet. Through the protective shell 9, the positioning nut 8 can be protected from the corrosion of external rainwater, reducing the rusting of the positioning nut 8, thereby extending the service life of the positioning nut 8; When the HDPE pipe body 1 and the connecting pipe 2 are connected and assembled, the protective sleeve 10 can be installed on the outer side wall of the HDPE pipe body 1. Cotton is provided inside the protective sleeve 10, which can reduce the loss of the HDPE pipe body 1 exposed to the sun and also keep the temperature inside the HDPE pipe body 1 warm. The protective sleeve 10 can be installed on the HDPE pipe body 1 through the first magic tape 11. When the protective sleeve 10 needs to be disassembled, just tear the first magic tape 11; After the protective sleeve 10 is installed on the outer side wall of the HDPE pipe body 1, the second magic tape 12 can be attached to the protective sleeve 10, and the position of the protective sleeve 10 can be limited through the second magic tape 12, avoiding random sliding during the work process and affecting the protection of the HDPE pipe body 1.

[0033] The above has described in detail an embodiment of the present utility model, but the above content is only a preferred embodiment of the present utility model and cannot be considered as defining the scope of implementation of the present utility model. All equivalent changes and improvements made according to the scope of application of the present utility model shall still fall within the scope covered by the patent of the present utility model.

Claims

1. A high-pressure resistant flexible composite HDPE pipeline, characterized in that, It includes an HDPE pipe body (1); one end of the HDPE pipe body (1) is provided with a connecting pipe (2); a first assembly pipe (3) is fixedly connected to the outer side wall of the HDPE pipe body (1); a second assembly pipe (4) is fixedly connected to the outer side wall of the connecting pipe (2); the second assembly pipe (4) is arranged at one end of the first assembly pipe (3); a second connecting plate (6) is fixedly connected to the outer side wall of the first assembly pipe (3); a first connecting plate (5) is fixedly connected to the outer side wall of the second assembly pipe (4); a positioning bolt (7) is fixedly connected inside the first connecting plate (5); one end of the positioning bolt (7) is threadedly connected with a positioning nut (8); a sealing unit is arranged inside the HDPE pipe body (1).

2. The high-pressure resistant flexible composite HDPE pipe according to claim 1, wherein, The sealing unit includes a first sealing ring (13); the first sealing ring (13) is fixedly connected inside the HDPE pipe body (1); a second sealing ring (14) is fixedly connected inside the connecting pipe (2); the second sealing ring (14) is arranged on one side of the first sealing ring (13).

3. A high-pressure resistant flexible composite HDPE pipe according to claim 1, characterized in that, A protective sleeve (10) is arranged on the outer side wall of the HDPE pipe body (1); one end of the protective sleeve (10) is fixedly connected with a first magic tape (11).

4. A high-pressure resistant flexible composite HDPE pipe according to claim 1, characterized in that A protective shell (9) is arranged at the side end of the second connecting plate (6); one end of the protective shell (9) is fixedly connected with a magnet sheet; the protective shell (9) is arranged on one side of the positioning nut (8).

5. The high-pressure resistant flexible composite HDPE pipe according to claim 2, characterized in that, A positioning magnet plate (15) is fixedly connected inside the first sealing ring (13); the positioning magnet plate (15) is arranged on one side of the second sealing ring (14).

6. The high-pressure resistant flexible composite HDPE pipe according to claim 1, wherein, A second magic tape (12) is fixedly connected to the side end of the first assembly pipe (3); the second magic tape (12) is arranged on one side of the protective sleeve (10).

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