Corrosion-resistant pultrusion profile pipeline

Abstract

The utility model relates to the technical field of pultrusion profile pipelines, in particular to a corrosion-resistant pultrusion profile pipeline which comprises a pipe body, a sealing pipe is fixedly arranged on the front side of the surface of the pipe body in a sleeved mode, a first sealing groove is formed in the inner wall of the sealing pipe, and a sealing mechanism is placed in an inner cavity of the first sealing groove. A first groove is formed in the top of the sealing pipe, and the rear side of the pipe body communicates with a connecting pipe. Through cooperation of the sealing pipe, the first sealing groove, the sealing mechanism, the connecting pipe and the second sealing groove, the sealing pipe has the advantage of being good in sealing performance, the sealing pipe is arranged on the surface of the connecting pipe of the adjacent pipe bodies in a sleeved mode, then the sealing plug is uncovered, an inner cavity of the air bag is inflated through the air nozzle, and at the moment, the air bag begins to expand; then, the outer surface of the air bag is in close contact with the inner wall of the first sealing groove, and the inner ring of the air bag is in close contact with the second sealing groove, so that the joint is sealed, and water is prevented from entering the pipe body.

Description

Technical Field

[0001] The utility model relates to the technical field of pultruded profile pipes, in particular to a corrosion-resistant pultruded profile pipe. Background Art

[0002] FRP braided pultruded winding tube is a new type of casing material, which consists of an inner braided layer, a middle layer, and an outer braided layer. It is formed by a pultrusion process and is mainly used in power cable protection casings.

[0003] After searching, the patent announcement number is CN213166984U, and the name is a utility model of a corrosion-resistant fiber-wound pultruded tube, which includes an inner wall layer, an intermediate layer and an outer layer arranged in sequence from the inside to the outside. Through research and analysis, it is found that although it can be laid in an acidic or alkaline environment during use to protect the cable, and solves the problem of tension that may be generated by the inner tube on the pultruded tube during transportation or transshipment of the existing pultruded tube, it still has the following disadvantages to a certain extent.

[0004] For example, without a sealing structure, the above-mentioned corrosion-resistant pultruded pipe cannot effectively seal the joints between the pipes during use, resulting in rainwater easily penetrating into the interior of the pipe during long-term use, thereby corroding the cable and affecting the service life of the cable. In order to solve the above technical problems, we have designed a corrosion-resistant pultruded profile pipe. Utility Model Content

[0005] The purpose of the utility model is to provide a corrosion-resistant pultruded profile pipe, which has the advantages of good sealing performance and the ability to reduce cable wear, and solves the problem that the existing corrosion-resistant pultruded pipe has poor sealing performance at the pipe connection during use, and is prone to water seepage during long-term use. At the same time, since the inner wall of the pultruded pipe is relatively rough, it is easy to cause wear on the cable surface when threading the cable.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a corrosion-resistant pultruded profile pipe, comprising a pipe body, a sealing tube is provided on the front fixed sleeve of the surface of the pipe body, a first sealing groove is provided on the inner wall of the sealing tube, a sealing mechanism is placed in the inner cavity of the first sealing groove, a first groove is provided on the top of the sealing tube, a connecting pipe is connected to the rear side of the pipe body, a second sealing groove is provided on the surface of the connecting pipe, and a protective mechanism is movably connected to the inner cavity of the pipe body.

[0007] Preferably, the sealing mechanism comprises an airbag, the airbag is located in the inner cavity of the first sealing groove, the top of the airbag is connected to an air nozzle, the top end of the air nozzle passes through the sealing tube and extends to the inner cavity of the first groove.

[0008] Preferably, the protective mechanism includes a polytetrafluoroethylene tube, and balls are embedded and installed on the surface of the polytetrafluoroethylene tube. The outer surface of the balls is in contact with the inner wall of the tube body. The front and rear sides of the top of the inner cavity of the polytetrafluoroethylene tube and the front and rear sides of the bottom are both provided with second grooves, and the opposite side of the inner cavity of the second groove is penetrated by a positioning bolt connected by a thread, and the opposite end of the positioning bolt is in contact with the tube body.

[0009] Preferably, there are several balls, and the balls are arranged at equal distances.

[0010] Preferably, a sealing gasket is fixedly connected to the front side of the tube body, and the sealing gasket is located in the inner cavity of the sealing tube.

[0011] Preferably, a sealing plug is placed in the inner cavity of the first groove, and the top of the sealing plug is designed to be arc-shaped.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model has the advantage of good sealing performance through the cooperation of the sealing tube, the first sealing groove, the sealing mechanism, the connecting tube and the second sealing groove. The sealing tube is sleeved on the surface of the connecting tube of the adjacent tube body, and then the sealing plug is opened, and the inner cavity of the airbag is inflated through the air nozzle. At this time, the airbag begins to expand, and then the outer surface of the airbag is in close contact with the inner wall of the first sealing groove, and the inner circle of the airbag is in close contact with the second sealing groove, so that the connection is sealed to prevent water from entering the tube body.

[0014] 2. The utility model has the advantage of protective function through the cooperation of polytetrafluoroethylene tube, ball and positioning bolt. The polytetrafluoroethylene tube is placed in the inner cavity of the tube body, and the ball assists the movement of the polytetrafluoroethylene tube. When the polytetrafluoroethylene tube moves to the inner cavity of the tube body, the polytetrafluoroethylene tube is limited and fixed by the positioning bolt. The polytetrafluoroethylene tube has excellent wear resistance. At the same time, the inner wall of the polytetrafluoroethylene tube is very smooth, which saves more effort when threading the cable and does not cause wear to the surface of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0016] Figure 2 It is a three-dimensional diagram of the local structure of the utility model;

[0017] Figure 3 This is a three-dimensional diagram of the protective mechanism of the utility model;

[0018] Figure 4 This is a three-dimensional diagram of the sealing mechanism of the utility model;

[0019] Figure 5This is a three-dimensional diagram of the sealing tube structure of the utility model.

[0020] In the figure: 1. tube body; 2. sealing tube; 3. first sealing groove; 4. sealing mechanism; 5. first groove; 6. connecting tube; 7. second sealing groove; 8. protective mechanism; 9. airbag; 10. air nozzle; 11. polytetrafluoroethylene tube; 12. ball bearing; 13. positioning bolt; 14. sealing gasket; 15. sealing plug. DETAILED DESCRIPTION

[0021] See also Figure 1-Figure 5 A corrosion-resistant pultruded profile pipe comprises a pipe body 1, a sealing pipe 2 is fixedly sleeved on the front side of the surface of the pipe body 1, a first sealing groove 3 is provided on the inner wall of the sealing pipe 2, a sealing mechanism 4 is placed in the inner cavity of the first sealing groove 3, a first groove 5 is provided on the top of the sealing pipe 2, a connecting pipe 6 is connected to the rear side of the pipe body 1, a second sealing groove 7 is provided on the surface of the connecting pipe 6, and a protective mechanism 8 is movably connected to the inner cavity of the pipe body 1.

[0022] See also Figure 1 and Figure 4 The sealing mechanism 4 includes an airbag 9, which is located in the inner cavity of the first sealing groove 3. The top of the airbag 9 is connected to an air nozzle 10. By setting the air nozzle 10, the inner cavity of the airbag 9 can be inflated to make it expand, which can block water vapor and prevent water vapor from entering the inner cavity of the tube body 1. The top of the air nozzle 10 penetrates the sealing tube 2 and extends to the inner cavity of the first groove 5.

[0023] See also Figure 1 and Figure 3 The protective mechanism 8 includes a polytetrafluoroethylene tube 11, and a ball 12 is embedded on the surface of the polytetrafluoroethylene tube 11. By setting the ball 12, the difficulty of installing the polytetrafluoroethylene tube 11 is reduced, making its installation more efficient. The outer surface of the ball 12 contacts the inner wall of the tube body 1. The front and rear sides of the top of the inner cavity of the polytetrafluoroethylene tube 11 and the front and rear sides of the bottom are both provided with a second groove. The opposite side of the inner cavity of the second groove is penetrated by a threaded positioning bolt 13, and the opposite end of the positioning bolt 13 is in contact with the tube body 1.

[0024] See also Figure 3 The number of balls 12 is several, and the balls 12 are arranged at equal distances.

[0025] See also Figure 1 A sealing gasket 14 is fixedly connected to the front side of the tube body 1 . By providing the sealing gasket 14 , the sealing performance between the sealing tube 2 and the connecting tube 6 is further improved. The sealing gasket 14 is located in the inner cavity of the sealing tube 2 .

[0026] See also Figure 1A sealing plug 15 is placed in the inner cavity of the first groove 5. By setting the sealing plug 15, the first groove 5 can be sealed, so that the gas nozzle 10 can be protected. The top of the sealing plug 15 is designed to be arc-shaped.

[0027] When in use, the polytetrafluoroethylene tube 11 is placed in the inner cavity of the tube body 1, and the ball 12 assists the polytetrafluoroethylene tube 11 to move. When the polytetrafluoroethylene tube 11 moves to the inner cavity of the tube body 1, the polytetrafluoroethylene tube 11 is limited and fixed by the positioning bolt 13. The polytetrafluoroethylene tube 11 has excellent wear resistance. At the same time, the inner wall of the polytetrafluoroethylene tube 11 is very smooth, which is more labor-saving when threading the cable and will not cause wear on the surface of the cable. The sealing tube 2 is sleeved on the surface of the connecting tube 6 of the adjacent tube body 1, and then the sealing plug 15 is opened, and the inner cavity of the airbag 9 is inflated through the air nozzle 10. At this time, the airbag 9 begins to expand, and then the outer surface of the airbag 9 is in close contact with the inner wall of the first sealing groove 3, and the inner ring of the airbag 9 is in close contact with the second sealing groove 7, so that the connection is sealed to prevent water from entering the tube body 1, and then the cable is passed through the tube body 1, and the surface of the cable is in contact with the inner wall of the polytetrafluoroethylene tube 11, thereby completing the cable installation operation.

[0028] To sum up: the corrosion-resistant pultruded profile pipe, through the cooperation of the sealing tube 2, the first sealing groove 3, the sealing mechanism 4, the connecting tube 6, the second sealing groove 7, the polytetrafluoroethylene tube 11, the ball 12 and the positioning bolt 13, solves the problem that the existing corrosion-resistant pultruded pipe has poor sealing performance at the pipe connection during use, and is prone to water seepage during long-term use. At the same time, since the inner wall of the pultruded pipe is relatively rough, it is easy to cause wear on the cable surface when threading the cable.

Claims

1. A corrosion-resistant pultruded profile pipe, comprising a pipe body (1), characterized in that: A sealing tube (2) is fixedly sleeved on the front side of the surface of the tube body (1), a first sealing groove (3) is provided on the inner wall of the sealing tube (2), a sealing mechanism (4) is placed in the inner cavity of the first sealing groove (3), a first groove (5) is provided on the top of the sealing tube (2), a connecting tube (6) is connected to the rear side of the tube body (1), a second sealing groove (7) is provided on the surface of the connecting tube (6), and a protective mechanism (8) is movably connected to the inner cavity of the tube body (1).

2. The corrosion-resistant pultruded profile pipe according to claim 1, characterized in that: The sealing mechanism (4) comprises an airbag (9), the airbag (9) being located in the inner cavity of the first sealing groove (3), the top of the airbag (9) being connected to an air nozzle (10), the top end of the air nozzle (10) penetrating the sealing tube (2) and extending to the inner cavity of the first groove (5).

3. The corrosion-resistant pultruded profile pipe according to claim 1, characterized in that: The protective mechanism (8) comprises a polytetrafluoroethylene tube (11), a ball (12) is embedded on the surface of the polytetrafluoroethylene tube (11), the outer surface of the ball (12) contacts the inner wall of the tube body (1), the front side and rear side of the top of the inner cavity of the polytetrafluoroethylene tube (11) and the front side and rear side of the bottom are both provided with a second groove, and a positioning bolt (13) is threadedly connected to the opposite side of the inner cavity of the second groove, and the opposite end of the positioning bolt (13) contacts the tube body (1).

4. The corrosion-resistant pultruded profile pipe according to claim 3, characterized in that: The number of the balls (12) is a plurality, and the balls (12) are arranged at equal distances.

5. The corrosion-resistant pultruded profile pipe according to claim 1, characterized in that: A sealing gasket (14) is fixedly connected to the front side of the tube body (1), and the sealing gasket (14) is located in the inner cavity of the sealing tube (2).

6. The corrosion-resistant pultruded profile pipe according to claim 1, characterized in that: A sealing plug (15) is placed in the inner cavity of the first groove (5), and the top of the sealing plug (15) is designed to be arc-shaped.

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