A pipe insulation joint

Abstract

The utility model discloses an insulated pipe joint, comprising a steel pipe, wherein the outer wall of the end of the steel pipe is sleeved with two sealing rings, the outer wall of the steel pipe is sleeved with one end of a double-socket glass fiber reinforced plastic pipe, the inner wall of the other end of the double-socket glass fiber reinforced plastic pipe is inserted with a prestressed steel cylinder concrete pipe, the outer wall of the prestressed steel cylinder concrete pipe is sleeved with two sealing rings, the inner wall of the double-socket glass fiber reinforced plastic pipe is tightly fitted with each sealing ring, the outer walls of the steel pipe and the prestressed steel cylinder concrete pipe are connected to the inner wall of the double-socket glass fiber reinforced plastic pipe through a sealing structure, the steel pipe and the prestressed steel cylinder concrete pipe are connected through the action of the double-socket glass fiber reinforced plastic pipe to ensure the connection effect, and at the same time play an insulating role to avoid the battery effect formed by the connection between the steel pipe and the prestressed steel cylinder concrete pipe, which will accelerate the corrosion of the steel pipe, and the double-socket glass fiber reinforced plastic pipe perfectly solves this problem, ensures the service life of the steel pipe, and has strong practicality.

Description

Technical Field

[0001] The utility model relates to the technical field of insulation connection between a steel pipe and a prestressed steel cylinder concrete pipe, in particular to an insulating pipe joint. Background Art

[0002] The main reason for the insulation of the connection between steel pipe and prestressed steel cylinder concrete pipe is to prevent electrochemical corrosion. In this case, the connection between steel pipe and concrete pipe forms an environment composed of different metals. When in contact with electrolytes (such as groundwater), a battery effect will occur, causing metal corrosion. The existing equipment is not effective in dealing with the problem of steel pipe corrosion, which affects the use of the pipeline. Utility Model Content

[0003] The utility model aims to provide a pipeline insulating joint to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an insulating pipe joint, comprising a steel pipe, the outer wall of the end of the steel pipe is sleeved with two sealing rings, the outer wall of the steel pipe is sleeved with one end of a double-socket glass fiber reinforced plastic pipe, the inner wall of the other end of the double-socket glass fiber reinforced plastic pipe is inserted with a prestressed steel cylinder concrete pipe, the outer wall of the prestressed steel cylinder concrete pipe is sleeved with two sealing rings, the inner wall of the double-socket glass fiber reinforced plastic pipe is tightly fitted with each sealing ring, and the outer walls of the steel pipe and the prestressed steel cylinder concrete pipe are connected to the inner wall of the double-socket glass fiber reinforced plastic pipe through a sealing structure.

[0005] Preferably, the sealing structure includes a baffle, which is fixedly mounted on the outer wall of a steel pipe or a prestressed concrete tube pipe, and a connecting block is fixedly mounted on one side wall of the baffle close to the double-socket glass fiber reinforced plastic pipe, the inner wall port of the double-socket glass fiber reinforced plastic pipe is filled with sealant, and the connecting block is assembled in the sealant.

[0006] Preferably, a drying structure is further included, and the side end of the sealing structure is equipped with the drying structure, and the drying structure can keep the interface dry.

[0007] Preferably, the drying structure includes an outer shell, which is fixedly assembled on one side of the sealing structure, the inner wall of the outer shell is threaded with a screw, the upper end of the screw is fixedly assembled with a handle, the lower end of the screw is fixedly assembled with a desiccant bag, and the desiccant bag is located in the outer shell.

[0008] Compared with the prior art, the beneficial effects of the utility model are: through the effect of the double-socket glass fiber reinforced plastic pipe, the steel pipe and the prestressed steel cylinder concrete pipe are connected to ensure the connection effect, and at the same time play an insulating role to avoid the battery effect formed by the connection between the steel pipe and the prestressed steel cylinder concrete pipe, which will accelerate the corrosion of the steel pipe. The double-socket glass fiber reinforced plastic pipe perfectly solves this problem, ensures the service life of the steel pipe, and has strong practicality. Through the effect of the sealing structure, the sealing of the connection between the double-socket glass fiber reinforced plastic pipe and the steel pipe and the prestressed steel cylinder concrete pipe is guaranteed, the use effect of the pipeline is guaranteed, and leakage and bursting of the pipe are avoided. The sealing effect of the pipeline is also guaranteed by the setting of a double sealing ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0010] Figure 2 It is a schematic diagram of the structure plane of the utility model;

[0011] Figure 3 for Figure 2 A schematic diagram of the enlarged structure in the middle.

[0012] In the figure: 1-steel pipe, 2-double-socket glass fiber reinforced plastic pipe, 3-prestressed steel tube concrete pipe, 4-sealing structure, 41-baffle, 42-connecting block, 43-sealant, 5-drying structure, 51-housing, 52-screw, 53-handle, 54-desiccant bag, 6-sealing ring. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0014] See also Figure 1-3 The utility model provides a pipeline insulating joint, including a steel pipe 1, the outer wall of the end of the steel pipe 1 is sleeved with two sealing rings 6, the outer wall of the steel pipe 1 is sleeved with one end of a double-socket glass fiber reinforced plastic pipe 2, the inner wall of the other end of the double-socket glass fiber reinforced plastic pipe 2 is inserted with a prestressed steel cylinder concrete pipe 3, the outer wall of the prestressed steel cylinder concrete pipe 3 is sleeved with two sealing rings 6, the inner wall of the double-socket glass fiber reinforced plastic pipe 2 is tightly fitted with each sealing ring 6, and the outer walls of the steel pipe 1 and the prestressed steel cylinder concrete pipe 3 are connected to the inner wall of the double-socket glass fiber reinforced plastic pipe 2 through a sealing structure 4.

[0015] The double-socket FRP pipe 2 is used to connect the steel pipe 1 and the prestressed concrete cylinder pipe 3 to ensure the connection effect. At the same time, it plays an insulating role to avoid the battery effect formed by the connection between the steel pipe 1 and the prestressed concrete cylinder pipe 3, which will accelerate the corrosion of the steel pipe 1. The double-socket FRP pipe 2 perfectly solves this problem and ensures the service life of the steel pipe 1. It is highly practical. The sealing structure 4 ensures the sealing of the connection between the double-socket FRP pipe 2 and the steel pipe 1 and the prestressed concrete cylinder pipe 3, ensures the use effect of the pipeline, avoids leakage and pipe explosion, etc. The setting of the double sealing ring 6 also ensures the sealing effect of the pipeline.

[0016] The sealing structure 4 includes a baffle 41, which is fixedly assembled on the outer wall of the steel pipe 1 or the prestressed concrete tube pipe 3. A connecting block 42 is fixedly assembled on one side wall of the baffle 41 close to the double-socket glass fiber reinforced plastic pipe 2. The inner wall port of the double-socket glass fiber reinforced plastic pipe 2 is filled with sealant 43, and the connecting block 42 is assembled in the sealant 43.

[0017] When the sealing structure 4 needs to be installed, first insert the steel pipe 1 and the prestressed steel cylinder concrete pipe 3 into the two ends of the double-socket glass fiber reinforced plastic pipe 2 respectively. At this time, the sealing ring 6 will seal the connection. At this time, the sealant 43 is injected into the inside of the double-socket glass fiber reinforced plastic pipe 2, and the baffle 41 tightly fitted on the outer wall of the steel pipe 1 or the prestressed steel cylinder concrete pipe 3 is moved to the port of the double-socket glass fiber reinforced plastic pipe 2. At this time, the connecting block 42 is inserted into the sealant 43. After the sealant 43 is completely dry, the connecting block 42 is fixed on the inner wall of the double-socket glass fiber reinforced plastic pipe 2, and the baffle 41 is sealed on the outer wall of the double-socket glass fiber reinforced plastic pipe 2.

[0018] It also includes a drying structure 5. The side end of the sealing structure 4 is equipped with the drying structure 5, and the drying structure 5 can keep the interface dry.

[0019] The drying structure 5 includes an outer shell 51, which is fixedly assembled on one side of the sealing structure 4. A screw 52 is screwed to the inner wall of the outer shell 51, a handle 53 is fixedly assembled on the upper end of the screw 52, ​​and a desiccant bag 54 is fixedly assembled on the lower end of the screw 52. The desiccant bag 54 is located inside the outer shell 51.

[0020] When the drying structure 5 needs to be installed, the desiccant bag 54 is first inserted into the housing 51, and the handle 53 is rotated to drive the screw rod 52 to be screwed into the housing 51 to complete the fixation.

[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pipeline insulating joint, characterized in that: The invention comprises a steel pipe (1), wherein the outer wall of the end of the steel pipe (1) is sleeved with two sealing rings (6), the outer wall of the steel pipe (1) is sleeved with one end of a double-socket glass fiber reinforced plastic pipe (2), the inner wall of the other end of the double-socket glass fiber reinforced plastic pipe (2) is plugged with a prestressed steel cylinder concrete pipe (3), the outer wall of the prestressed steel cylinder concrete pipe (3) is sleeved with two sealing rings (6), the inner wall of the double-socket glass fiber reinforced plastic pipe (2) is tightly fitted with each sealing ring (6), and the outer walls of the steel pipe (1) and the prestressed steel cylinder concrete pipe (3) are connected to the inner wall of the double-socket glass fiber reinforced plastic pipe (2) through a sealing structure (4).

2. A pipeline insulating joint according to claim 1, characterized in that: The sealing structure (4) comprises a baffle (41), wherein the baffle (41) is fixedly mounted on the outer wall of the steel pipe (1) or the prestressed concrete tube pipe (3), a connecting block (42) is fixedly mounted on one side wall of the baffle (41) close to the double-socket glass fiber reinforced plastic pipe (2), the inner wall port of the double-socket glass fiber reinforced plastic pipe (2) is filled with a sealant (43), and the connecting block (42) is mounted in the sealant (43).

3. A pipeline insulating joint according to claim 2, characterized in that: It also comprises a drying structure (5), the side end of the sealing structure (4) is equipped with the drying structure (5), and the drying structure (5) can keep the interface dry.

4. The pipeline insulating joint according to claim 3, characterized in that: The drying structure (5) comprises an outer shell (51), wherein the outer shell (51) is fixedly mounted on one side of the sealing structure (4), a screw rod (52) is screwed onto the inner wall of the outer shell (51), a handle (53) is fixedly mounted on the upper end of the screw rod (52), and a desiccant bag (54) is fixedly mounted on the lower end of the screw rod (52), wherein the desiccant bag (54) is located inside the outer shell (51).

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