CN216598811U - Corrosion-resistant electric power pipe of multiple protection - Google Patents

Abstract

The utility model relates to a multi-protection corrosion-resistant power tube, which comprises a protective shell, wherein a cable channel is arranged in the protective shell, an outer waterproof layer is arranged in the protective shell, an inflatable buffer layer is arranged in the outer waterproof layer, an anti-corrosion layer is arranged in the inflatable buffer layer, a heat insulation layer is arranged in the anti-corrosion layer, an inner protective layer is arranged between the heat insulation layer and the cable channel, a mounting groove is inwards sunken on the surface of one end of the protective shell, a mounting ring corresponding to the mounting groove is outwards protruded on the surface of the other end of the protective shell, the mounting ring is connected with the mounting groove in a sliding manner, a soft rubber connecting sleeve is fixedly connected with one end of the protective shell, a fixing ring is arranged on the soft rubber connecting sleeve, an annular groove corresponding to the fixing ring is inwards sunken on the outer surface of the other end of the protective shell, and the equipment is convenient to fix each protective layer with protection function, conveniently assemble the power pipe, make things convenient for the connection between the different power pipes simultaneously, make things convenient for the installation and the use of power pipe, improve work efficiency.

Description

Corrosion-resistant electric power pipe of multiple protection

Technical Field

The utility model relates to the technical field of electric power pipes, in particular to a corrosion-resistant electric power pipe with multiple protections.

Background

The power tube is a product which is made by adopting PE to carry out hot dip molding or epoxy resin to carry out internal and external coating, and has excellent corrosion resistance. Meanwhile, the coating has good electrical insulation property, does not generate electric erosion, has low water absorption, high mechanical strength and small friction coefficient, can achieve the purpose of long-term use, and can also effectively prevent the damage of plant roots and soil environmental stress, and the like, the existing power tube is buried underground when in use, and is easy to deform or break after being extruded by long-time soil, thereby directly influencing the integrity of the cable placed inside, Chinese patent with the patent number of CN201922183996.5 for solving the problems proposes a multiple-protection vinyl chloride power tube, the patent proposes that the shock resistance of the power tube is improved by arranging a plurality of groups of uniformly arranged buffering elastic pieces in a buffering cavity, and the buffering bulge on the outer surface of an insulating outer layer can increase the bearing area, reduce the pressure and improve the bearing capacity of the power tube when the power tube bears the pressure, however, the device adopts the buffering elastic part, needs to provide a larger use space, has a fixed structure and is not easy to assemble.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a corrosion-resistant electric power tube with multiple protections.

(II) technical scheme

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a corrosion-resistant power tube of multiple protection, includes the protective housing, the inside cable channel that is equipped with of protective housing, the inside outer waterproof layer that is equipped with of protective housing, the inside buffer layer of aerifing that is equipped with of outer waterproof layer, the inside anti-corrosion coating that is equipped with of buffer layer aerifys, be equipped with the thermal-insulated layer in the anti-corrosion coating, be equipped with interior inoxidizing coating between thermal-insulated layer and the cable channel, protective housing one side is equipped with the mounting groove, the protective housing opposite side is equipped with the installation circle that corresponds with the mounting groove, sliding connection between installation circle and the mounting groove, protective housing one end fixed connection is equipped with the flexible glue adapter sleeve, be equipped with solid fixed ring on the flexible glue adapter sleeve, the inside sunken ring channel that corresponds with solid fixed ring that is equipped with of protective housing other end surface.

Preferably, the inflatable buffer layer comprises an inflatable air cushion and an inflation nozzle, and the protective shell and the waterproof layer are provided with air pipe ports corresponding to the inflation nozzle.

In a further preferred aspect, an inner waterproof layer is provided between the heat insulating layer and the inner protective layer.

In a further preferred embodiment, the outwardly protruding mounting ring comprises an outer waterproof layer, an anti-corrosion layer and an inner waterproof layer, and the inwardly recessed mounting groove comprises an outer waterproof layer, an anti-corrosion layer and an inner waterproof layer.

Preferably in further, flexible glue adapter sleeve fixed connection is in the protective housing and is close to mounting groove one side, the protective housing is close to that the mounting ring one end surface is inwards sunken to be equipped with the carrying face the same with flexible glue adapter sleeve thickness, the ring channel is located the carrying face.

In a further preferred embodiment, the fixing ring is provided with an angular head, and the surface of the annular groove is provided with a sealing layer.

(III) advantageous effects

Compared with the prior art, the utility model provides a corrosion-resistant electric power tube with multiple protections, which has the following beneficial effects:

1. according to the utility model, the protective shell, the outer waterproof layer, the anti-corrosion layer, the heat insulation layer and the protective layers are arranged to provide various protections for the cable, the inflation air cushion and the inflation nozzle are arranged to conveniently assemble the power tube under the capacity of providing buffer protection, when the inflation air cushion is not inflated, gaps are reserved among the protective layers to facilitate the placement of the protective layers, after the position arrangement of each protective layer is completed, the inflation nozzle is used for inflating the inflation air cushion, the inflation air cushion extrudes each protective layer to eliminate the gaps, each protective layer is completed, the power tube is integrated, and the installation is more convenient.

2. According to the utility model, the installation ring and the corresponding installation groove are arranged to realize splicing among the plurality of power tubes, and meanwhile, the adjacent protection layers are distributed in a staggered manner, so that the possibility that external substances pass through gaps among the power tubes is reduced, and the spliced power tubes are fixed by arranging the soft rubber connecting sleeve with the fixing ring and the annular groove, so that an additional connecting fixer is not needed, the use is more convenient, and the installation is more convenient.

Drawings

FIG. 1 is a schematic diagram of a front structure of a corrosion-resistant power tube with multiple protections according to the present invention;

FIG. 2 is a schematic cross-sectional view of the inner structure of the protective case of the present invention;

fig. 3 is an enlarged view of a portion of fig. 2.

In the figure: 1. a protective shell; 2. a cable channel; 3. an outer waterproof layer; 4. an inflatable buffer layer; 5. an anti-corrosion layer; 6. a thermal insulation layer; 7. an inner protective layer; 8. mounting grooves; 9. installing a ring; 10. a soft rubber connecting sleeve; 11. a fixing ring; 12. an annular groove; 13. inflating the air cushion; 14. an air charging nozzle; 15. an air pipe opening; 16. an inner waterproof layer; 17. a carrying surface; 18. an angular head; 19. and (7) sealing the layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

referring to fig. 1-3, a corrosion-resistant power tube with multiple protections comprises a protective shell 1, a cable channel 2 is arranged inside the protective shell 1, an outer waterproof layer 3 is arranged inside the protective shell 1, an inflatable buffer layer 4 is arranged inside the outer waterproof layer 3, an anti-corrosion layer 5 is arranged inside the inflatable buffer layer 4, a thermal insulation layer 6 is arranged in the anti-corrosion layer 5, an inner protective layer 7 is arranged between the thermal insulation layer 6 and the cable channel 2, a mounting groove 8 is formed in one side of the protective shell 1 in an inwards recessed mode, a mounting ring 9 corresponding to the mounting groove 8 is arranged on the other side of the protective shell 1, the mounting ring 9 is in sliding connection with the mounting groove 8, a flexible glue connecting sleeve 10 is fixedly connected to one end of the protective shell 1, a fixing ring 11 is arranged on the flexible glue connecting sleeve 10, and an annular groove 12 corresponding to the fixing ring 11 is arranged in an inwards recessed mode on the outer surface of the other end of the protective shell 1.

In this embodiment, the inflatable buffer layer 4 includes an inflatable cushion 13 and an inflation nozzle 14, and the protective shell 1 and the waterproof layer are provided with an air pipe opening 15 corresponding to the inflation nozzle 14, so that the inflatable buffer layer 4 is conveniently inflated, and each protective layer of the power pipe is fixedly mounted.

In this embodiment, an inner waterproof layer 16 is disposed between the thermal insulation layer 6 and the inner protective layer 7 to provide secondary protection, so as to prevent water vapor from flowing through the outer waterproof layer 3 from each gap, thereby further improving waterproof capability.

In this embodiment, the installation circle 9 of outside salient includes outer waterproof layer 3, anti-corrosion coating 5 and interior waterproof layer 16, and inside sunken mounting groove 8 includes outer waterproof layer 3, anti-corrosion coating 5 and interior waterproof layer 16, and each protective layer of crisscross distribution can prevent effectively that external pollutant from flowing into cable channel 2 from the gap between each protective layer between the gap inflow back of mounting groove 8 and installation circle 9, improve the protective capacities of equipment.

In this embodiment, flexible glue adapter sleeve 10 fixed connection is in protective housing 1 and is close to mounting groove 8 one side, and protective housing 1 is close to 9 one end surfaces of installation circle and inwards caves in and is equipped with the face 17 of carrying with flexible glue adapter sleeve 10 thickness the same, and ring channel 12 is located the face 17 of carrying, makes the equipment between the power pipeline more level and more smooth, makes things convenient for the installation of other equipment.

In the embodiment, the fixing ring 11 is provided with the angle head 18, and the surface of the annular groove 12 is provided with the sealing layer 19, so that the sealing capability of the fixing ring 11 and the annular groove 12 is improved, and the possibility of foreign matters entering the power tube is reduced.

The working principle is as follows:

in summary, when the power pipe is installed, the outer waterproof layer 3 is firstly sleeved in the protective shell 1, then the uninflated inflatable air cushion 13 is sleeved in the outer waterproof layer 3, the inflating nozzle 14 penetrates through the nozzle 15 and leaks out of the protective shell 1, the anti-corrosion layer 5, the thermal insulation layer 6, the inner waterproof layer 16 and the inner protective layer 7 are sequentially sleeved in the protective shell 1, the inflating nozzle 14 is inflated, the inflatable air cushion 13 expands to form the inflatable buffer layer 4, meanwhile, the expanded inflatable air cushion 13 respectively extrudes the outer waterproof layer 3 and the anti-corrosion layer 5, so that the protective shell 1, the outer waterproof layer 3, the inflatable buffer layer 4, the anti-corrosion layer 5, the thermal insulation layer 6, the inner waterproof layer 16 and the inner protective layer 7 are extruded and fixed together to form a whole, then the other power pipe is prepared to repeat the steps, the soft rubber connecting sleeve 10 is firstly turned upwards, then the installation ring 9 in the formed power pipe is inserted into the installation groove 8, the power pipes are tightly adhered, then the flexible glue connecting sleeve 10 is turned down, the flexible glue connecting sleeve 10 is buckled on a carrying surface 17, the fixing ring 11 is inserted into the annular groove 12, the angle-shaped head 18 is more conveniently inserted into the annular groove 12, the power pipes are fixed, the power pipes are not easy to separate, in actual operation, the power pipes can be fixed, then the fixed power pipes are inflated, so that protective layers are easier to contact and insert, the cables are connected into the cable channel 2 after the power pipes are installed for use, after the power pipes are buried, the protective shell 1 provides protection capability to prevent hard objects such as stones from damaging the power pipes, the outer waterproof layer 3 prevents water in soil from flowing into the power pipes, the influence of water on the cables is avoided, when the power pipes are impacted, the inflated buffer layer 4 provides buffer capability to ensure the stability of an inner protection structure and the cables, the corrosion-proof layer 5 prevents the cables from being corroded, the temperature-isolating layer 6 keeps the temperature inside of the cable channel 2 stable, reduce the influence of temperature variation to the cable, interior inoxidizing coating 7 prevents to cause the stability of the wearing and tearing protection cable of cable when the cable removes, moisture in soil flows through outer waterproof layer 3 from trachea mouth 15 in, can be intercepted by interior waterproof layer 16, prevent moisture infiltration, sealing layer 19 and the cooperation of angular form head 18 provide airtight ability, it passes protective housing 1 from flexible glue adapter sleeve 10 and carrying face 17 to reduce the foreign matter, when still having the foreign matter to pass protective housing 1, each protective layer of crisscross distribution can provide stronger protective capability, prevent that the foreign matter from passing into cable passageway 2 from the gap that the protection was between, influence cable work, improve the stability of cable work, improve the protective capability to the cable.

While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and variations may be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a corrosion-resistant electric power pipe of multiple protection, includes protective housing (1), protective housing (1) inside is equipped with cable channel (2), its characterized in that: an outer waterproof layer (3) is arranged in the protective shell (1), an inflatable buffer layer (4) is arranged in the outer waterproof layer (3), an anti-corrosion layer (5) is arranged in the inflatable buffer layer (4), a heat insulation layer (6) is arranged in the anti-corrosion layer (5), an inner protective layer (7) is arranged between the heat insulation layer (6) and the cable channel (2), one side of the protective shell (1) is provided with a mounting groove (8), the other side of the protective shell (1) is provided with a mounting ring (9) corresponding to the mounting groove (8), the mounting ring (9) is connected with the mounting groove (8) in a sliding way, one end of the protective shell (1) is fixedly connected with a soft rubber connecting sleeve (10), the soft rubber connecting sleeve (10) is provided with a fixing ring (11), and the outer surface of the other end of the protective shell (1) is inwards sunken to be provided with an annular groove (12) corresponding to the fixing ring (11).

2. The corrosion resistant power tube of claim 1, wherein: the inflatable buffer layer (4) comprises an inflatable air cushion (13) and an inflating nozzle (14), and the protective shell (1) and the waterproof layer are provided with an air pipe opening (15) corresponding to the inflating nozzle (14).

3. The corrosion resistant power tube of claim 1, wherein: an inner waterproof layer (16) is arranged between the heat insulation layer (6) and the inner protective layer (7).

4. The corrosion resistant power tube of claim 1, wherein: the mounting ring (9) protruding outwards comprises an outer waterproof layer (3), an anti-corrosion layer (5) and an inner waterproof layer (16), and the mounting groove (8) recessed inwards comprises the outer waterproof layer (3), the anti-corrosion layer (5) and the inner waterproof layer (16).

5. The corrosion resistant power tube of claim 1, wherein: soft gum adapter sleeve (10) fixed connection is close to mounting groove (8) one side in protective housing (1), protective housing (1) is close to that mounting ring (9) one end surface is inwards sunken to be equipped with and carries on face (17) the same with soft gum adapter sleeve (10) thickness, ring channel (12) are located and carry on face (17).

6. The corrosion resistant power tube of claim 1, wherein: an angular head (18) is arranged on the fixing ring (11), and a sealing layer (19) is arranged on the surface of the annular groove (12).

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