CN219513763U - Multiple protection's power tube - Google Patents

Abstract

The utility model relates to the field of pipe fittings, in particular to a multi-protection power pipe, which comprises a pipe body and a metal reinforcement embedded in the pipe body, wherein the pipe body is of a composite layer structure and sequentially comprises a foam flexible layer, a middle layer and an outer layer from inside to outside, the metal reinforcement is arranged between the middle layer and the outer layer, the metal reinforcement is a circular pipe, the length of the metal reinforcement is consistent with that of the pipe body, a first connecting bulge is arranged on one side surface of the metal reinforcement, which is close to the outer layer, and a second connecting bulge is arranged on one side surface of the metal reinforcement, which is close to the middle layer, so that the technical problem that the existing power pipe is insufficient in structural rigidity and easy to crack due to external factors is solved.

Description

Multiple protection's power tube

Technical Field

The utility model relates to the field of pipe fittings, in particular to a multi-protection power pipe.

Background

The electric tube is a product which is coated inside and outside by PE (modified polyethylene) or epoxy resin, and has excellent corrosion resistance. Meanwhile, the coating has good electrical insulation, and no electric corrosion is generated. The water absorption rate is low, the mechanical strength is high, the friction coefficient is small, and the aim of long-term use can be achieved. And the damage of plant root system and soil environmental stress can be effectively prevented.

The power industry belongs to the utility industry and carries out monopoly operation for a long time, and in recent years, a competition mechanism is introduced in the fields of power generation and sales, but the power transmission and distribution still have natural monopoly. Because the electric power industry is related to public welfare, two countries in the United states and England establish a control system of the electric power industry according to the respective characteristics. Practice shows that the control is favorable for guaranteeing public welfare and improving the operation and management of the power industry, and is a remarkable one-minute management mode. However, the production competitiveness of the power tube is increased because of the advantages of convenient connection and easy maintenance.

The utility model patent with the Chinese patent application number of 201920155724.1 discloses a CPVC high-voltage power tube, which comprises a power tube body, wherein a waterproof and breathable layer can be connected to the surface of the power tube body, a ceramic layer is fixedly connected to the inner wall of the power tube body, a through line hole is formed in the side surface of the ceramic layer, an insulating layer is fixedly connected to the inner wall of the through line hole, and a fixing groove is formed in one side of the power tube body. This CPVC high voltage power tube, through setting up power tube body and ceramic layer, be convenient for power tube body is insulating, through setting up logical line hole and insulating layer, the cable conductor of being convenient for distinguishes convenient installation, through setting up fixed slot and fixed column, the different side joint of two power tube bodies of being convenient for, through setting up recess and ejector pin, the ejector pin card of being convenient for is in the ejector pin groove, through setting up recess and ejector pin, the ejector pin of being convenient for can shrink into in the fixed column, through setting up snap ring groove, first spring and fixed snap ring, be convenient for prevent that the ejector pin from popping out the fixed column, thereby reach the effect of CPVC high voltage power tube connection of being convenient for, the power tube among above-mentioned utility model and the prior art, all do not have built-in reinforcement and do not have the power tube to provide the reinforcing on the structural rigidity.

Disclosure of Invention

Therefore, aiming at the problems, the utility model provides a multi-protection power tube, which solves the technical problems that the existing power tube is insufficient in structural rigidity and easy to crack due to external factors.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a multiple protection's electric power pipe, includes the body with inlay in metal reinforcement in the body, the body is composite layer structure, and it includes foam flexible layer, intermediate level and skin from inside to outside in proper order, metal reinforcement set up in the intermediate level with between the skin, metal reinforcement be ring pipe spare, its length with the length of body is unanimous, be provided with first connection arch on the metal reinforcement near on the side of skin, be provided with the second connection arch on the metal reinforcement near on the side of intermediate level.

Further, the metal reinforcement is provided with a plurality of connecting through holes, the axes of the connecting through holes are mutually perpendicular to the axis of the metal reinforcement, and the connecting through holes penetrate through the metal reinforcement.

Further, the connecting through holes are uniformly arranged along the axial direction of the metal reinforcement, and the distances of the connecting through holes along the axial direction of the metal reinforcement are the same.

Further, a first rough surface is arranged on the metal reinforcement piece on the whole body of one side, close to the outer layer, and a second rough surface is arranged on the metal reinforcement piece on the whole body of one side, close to the middle layer.

Further, a plurality of strip-shaped clamping grooves are formed in the inner circumferential surface of the foam flexible layer in a surrounding mode.

Further, each clamping groove is arc-shaped along the radial section of the pipe body.

By adopting the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, the metal reinforcement is arranged in the electric power pipe, so that the structural rigidity of the pipe body can be enhanced, the outer layer and the middle layer are also coated inside and outside the electric power pipe, the original plastic flexibility is not affected, meanwhile, the first connecting protrusion is arranged on one side surface of the metal reinforcement, which is close to the outer layer, and the second connecting protrusion is arranged on one side surface of the metal reinforcement, which is close to the middle layer, wherein the first connecting protrusion and the second connecting protrusion are used for increasing the contact area between two sides of the metal reinforcement and the outer layer and the middle layer, the pipe body adopts an injection molding mode, after the foam flexible layer is molded, the metal piece is put in advance, and then the outer layer and the middle layer are subjected to injection molding operation at the same time, so that the metal reinforcement is wrapped.

2. The metal reinforcement is provided with a plurality of connecting through holes, the axis of the connecting through holes is parallel to the axis of the metal reinforcement, the connecting through holes penetrate through the metal reinforcement, the outer layer and the middle layer can be connected through the connecting through holes in the injection molding process, and the outer layer and the middle layer enter a forming die to be formed after being in a molten state due to the fact that the outer layer and the middle layer are both hot-melt, and can be connected through the connecting through holes in a hot-melt mode, so that the stability of connection between the outer layer and the metal reinforcement is improved, and on the other hand, the outer layer and the middle layer can be matched with the metal reinforcement more tightly.

3. The metal reinforcement is gone up and is close to the whole body in one side of skin is provided with first roughness, the metal reinforcement is gone up and is close to the whole body in one side of intermediate level is provided with the second roughness, and the roughness can increase joint strength in smooth surface, makes the cooperation degree between skin and intermediate level and the metal reinforcement better.

4. The inner circumference surface of the foam flexible layer is provided with a plurality of strip-shaped clamping grooves in a surrounding mode, the clamping grooves are formed, richer use scenes can be provided, wires and cables can be arranged in the pipe body in a bundled mode, the wires and cables can be placed in the clamping grooves separately, interference caused by the fact that the wires and cables are close to each other is avoided, and the situation that local temperature is too high during data transmission is avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is a cut-away view taken along line B-B of FIG. 1.

Detailed Description

The utility model will now be further described with reference to the drawings and detailed description.

Referring to fig. 1 to 3, the present embodiment provides a multi-protection power tube, including a tube body 1 and a metal reinforcement 2 embedded in the tube body 1, wherein the tube body 1 has a composite layer structure, and sequentially includes a foam flexible layer 13, an intermediate layer 12 and an outer layer 11 from inside to outside, the metal reinforcement 2 is disposed between the intermediate layer 12 and the outer layer 11, the metal reinforcement 2 is a circular ring-shaped tube, the length of the metal reinforcement 2 is consistent with the length of the tube body 1, a first connection protrusion 22 is disposed on a side surface of the metal reinforcement 2 near the outer layer 11, a second connection protrusion 21 is disposed on a side surface of the metal reinforcement 2 near the intermediate layer 12, a plurality of connection through holes 23 are disposed on the metal reinforcement 2, and the axes of the connection through holes 23 are perpendicular to the axis of the metal reinforcement 2, the connecting through holes 23 penetrate through the metal reinforcement 2, the connecting through holes 23 are uniformly arranged along the axial direction of the metal reinforcement 2, the distances between the connecting through holes 23 along the axial direction of the metal reinforcement 2 are the same, a first rough surface is arranged on the metal reinforcement 2 near the whole body on one side of the outer layer 11, a second rough surface is arranged on the metal reinforcement 2 near the whole body on one side of the middle layer, wherein the first rough surface and the second rough surface are arranged in a well-known structure, in particular, smooth surfaces are polished into rough surfaces, the middle layer 12 and the outer layer 11 can be matched with the metal reinforcement 2 more tightly and firmly in the hot melt molding process, 8 strip-shaped clamping grooves 131 are formed on the inner circumferential surface of the foam flexible layer 13 in a surrounding mode, each of the clamping grooves 131 is circular arc-shaped along the radial section of the pipe body 1.

The number of the connecting through holes 23 is not particularly limited, and it is only required that the distance between the connecting through holes 23 in the axial direction of the metal reinforcement 2 is the same, and the specific number is confirmed according to the actual length of the pipe body 1 during actual use.

While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (6)

1. The utility model provides a multiple protection's electric power pipe, includes the body and embedded in metal reinforcement in the body, its characterized in that: the pipe body is of a composite layer structure and sequentially comprises a foam flexible layer, a middle layer and an outer layer from inside to outside, the metal reinforcement is arranged between the middle layer and the outer layer, the metal reinforcement is a circular pipe, the length of the metal reinforcement is consistent with that of the pipe body, a first connecting bulge is arranged on one side surface, close to the outer layer, of the metal reinforcement, and a second connecting bulge is arranged on one side surface, close to the middle layer, of the metal reinforcement.

2. A multi-protected power tube according to claim 1, wherein: the metal reinforcement is provided with a plurality of connecting through holes, the axes of the connecting through holes are mutually perpendicular to the axes of the metal reinforcement, and the connecting through holes penetrate through the metal reinforcement.

3. A multi-protected power tube according to claim 2, wherein: the connecting through holes are uniformly arranged along the axial direction of the metal reinforcement, and the distances of the connecting through holes along the axial direction of the metal reinforcement are the same.

4. A multi-protected power tube according to any of claims 1-3, characterized in that: the metal reinforcement is provided with a first rough surface on the whole body of one side, which is close to the outer layer, and a second rough surface on the whole body of one side, which is close to the middle layer, of the metal reinforcement.

5. A multi-protected power tube as defined in claim 4, wherein: a plurality of strip-shaped clamping grooves are formed in the inner circumferential surface of the foam flexible layer in a surrounding mode.

6. A multi-protected power tube as defined in claim 5, wherein: the radial section of each clamping groove along the pipe body is arc-shaped.