Anti-impact C-PVC electric power pipe

Abstract

The utility model relates to the technical field of electric power pipes, and discloses an anti-impact C-PVC electric power pipe which comprises an inner layer, an anti-impact layer and an outer layer which are sequentially arranged from inside to outside, the anti-impact layer comprises a first buffer layer, an anti-impact base layer, a second buffer layer and a rigid reinforcing framework layer which are sequentially arranged from inside to outside, and a plurality of V-shaped grooves are formed in the inner surface of the anti-impact base layer. A plurality of arc-shaped grooves are formed in the outer surface of the anti-impact base layer, a plurality of V-shaped protruding strips capable of being embedded into the V-shaped grooves are arranged on the outer surface of the first buffering layer, and a plurality of arc-shaped protruding strips capable of being embedded into the arc-shaped grooves are arranged on the outer surface of the second buffering layer. The first buffer layer, the anti-impact base layer, the second buffer layer and the rigid reinforcing framework layer are arranged to form the anti-impact layer reinforcing pipe, the first buffer layer and the second buffer layer are used for buffering and absorbing impact energy, the rigid reinforcing framework layer is used for reinforcing stress, and the overall anti-impact performance of the pipe is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power pipes, in particular to an impact-resistant C-PVC electric power pipe. Background Art

[0002] C-PVC power pipe is a rigid polyvinyl chloride power cable protection pipe of various specifications, which is made of PVC resin as the main raw material and various stabilizers. Most of the existing pipes are single-layer plastic pipes with insufficient impact resistance. When the external force is too large, it will cause the external deformation and damage of the cable protection pipe. Utility Model Content

[0003] The utility model aims to solve the above problems and provide an impact-resistant C-PVC electric power pipe to improve the impact resistance of the pipe.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: an impact-resistant C-PVC electric power pipe, comprising an inner layer, an impact-resistant layer and an outer layer arranged in sequence from the inside to the outside, the impact-resistant layer comprising a first buffer layer, an impact-resistant base layer, a second buffer layer and a rigidity reinforced skeleton layer arranged in sequence from the inside to the outside, the inner surface of the impact-resistant base layer is provided with a plurality of V-shaped grooves, the outer surface of the impact-resistant base layer is provided with a plurality of circular arc grooves, the outer surface of the first buffer layer is provided with a plurality of V-shaped convex strips that can be embedded in the V-shaped grooves, and the outer surface of the second buffer layer is provided with a plurality of circular arc convex strips that can be embedded in the circular arc grooves.

[0005] Furthermore, the V-shaped groove and the arc-shaped groove are staggered in distribution.

[0006] Furthermore, the arc of the arc-shaped convex strip is larger than a semicircle.

[0007] Furthermore, the rigid reinforced skeleton layer includes an annular steel belt and a plurality of Y-shaped reinforcing ribs arranged circumferentially along the inner surface of the annular steel belt, and the number of the Y-shaped reinforcing ribs is equal to and corresponds one to one to the arc-shaped convex strips.

[0008] Furthermore, a fireproof layer is provided on the inner surface of the inner layer, and the thickness of the fireproof layer is 60-100 um.

[0009] Due to the adoption of the above technical solution, the utility model has the following beneficial effects:

[0010] The utility model provides an impact-resistant layer, which includes a first buffer layer, an impact-resistant base layer and a second buffer layer. The first buffer layer and the second buffer layer are used to absorb impact energy for buffering. A rigid reinforcement skeleton layer is provided on the second buffer layer to improve the compressive strength of the impact-resistant layer, thereby improving the overall impact resistance of the pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 It is a structural schematic diagram of the impact-resistant layer of the utility model;

[0013] Figure 3 It is a structural schematic diagram of the first buffer layer of the utility model;

[0014] Figure 4 It is a structural schematic diagram of the impact-resistant base layer of the utility model;

[0015] Figure 5 It is a structural schematic diagram of the second buffer layer of the utility model;

[0016] Figure 6 It is a structural schematic diagram of the rigidity-enhanced skeleton layer of the utility model;

[0017] In the figure: 1-inner layer, 2-impact resistant layer, 3-outer layer, 4-fireproof layer, 21-first buffer layer, 22-impact resistant base layer, 23-second buffer layer, 24-rigid reinforced skeleton layer, 221-V-shaped groove, 222-arc-shaped groove, 211-V-shaped convex strip, 231-arc-shaped convex strip, 241-annular steel belt, 242-Y-shaped reinforcing rib. DETAILED DESCRIPTION

[0018] In order to make the technical personnel of the technical field better understand the present utility model scheme, the technical scheme in the present utility model embodiment will be clearly and completely described below in conjunction with the drawings in the present utility model embodiment. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by the technical personnel in the technical field belonging to the present utility model. The terms used in the specification of the present utility model herein are only for the purpose of describing specific embodiments, and are not intended to limit the present utility model. The terms "first", "second", etc. in the specification and claims of the present utility model and the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally also includes other steps or units inherent to these processes, methods, products or devices.

[0019] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present invention. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0020] like Figure 1-6 As shown, an impact-resistant C-PVC electric power pipe comprises an inner layer 1, an impact-resistant layer 2 and an outer layer 3 which are arranged in sequence from the inside to the outside, the impact-resistant layer 2 comprises a first buffer layer 21, an impact-resistant base layer 22, a second buffer layer 23 and a rigid reinforced skeleton layer 24 which are arranged in sequence from the inside to the outside, the inner surface of the impact-resistant base layer 22 is provided with a plurality of V-shaped grooves 221, the outer surface of the impact-resistant base layer 22 is provided with a plurality of arc-shaped grooves 222, the outer surface of the first buffer layer 21 is provided with a plurality of V-shaped convex strips 211 which can be embedded in the V-shaped grooves, and the outer surface of the second buffer layer is provided with a plurality of arc-shaped convex strips 231 which can be embedded in the arc-shaped grooves.

[0021] As a preferred embodiment, the V-shaped groove and the arc-shaped groove are staggered.

[0022] As a preferred embodiment, the arc of the arc-shaped convex strip 231 is larger than a semicircle, so that the second buffer layer 23 is tightly connected to the anti-impact base layer 22 and is not likely to fall off.

[0023] As a preferred embodiment, the rigid reinforcement skeleton layer 24 includes an annular steel belt 241 and a plurality of Y-shaped reinforcement ribs 242 arranged circumferentially along the inner surface of the annular steel belt 241, and the number of the Y-shaped reinforcement ribs 242 is equal to and one-to-one corresponds to the arc-shaped convex strips 231. The rigid reinforcement skeleton layer 24 can improve the compressive strength of the impact-resistant layer 2, and utilize the Y-shaped reinforcement ribs 242 to disperse the force by deformation, thereby enhancing the impact resistance.

[0024] In order to provide the pipe with flame retardant properties, a fireproof layer 4 is provided on the inner surface of the inner layer 11, and the thickness of the fireproof layer 4 is 60-100 um.

[0025] The utility model provides an impact-resistant layer 2, which includes a first buffer layer 21, an impact-resistant base layer 22 and a second buffer layer 23. The first buffer layer 21 and the second buffer layer 23 are used to buffer and absorb impact energy. A rigid reinforcement skeleton layer 24 is provided on the second buffer layer 23 to improve the compressive strength of the impact-resistant layer 2, thereby improving the overall impact resistance of the pipe.

[0026] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. An impact-resistant C-PVC power pipe, characterized by: It includes an inner layer, an impact-resistant layer and an outer layer which are arranged in sequence from the inside to the outside. The impact-resistant layer includes a first buffer layer, an impact-resistant base layer, a second buffer layer and a rigidity-reinforced skeleton layer which are arranged in sequence from the inside to the outside. The inner surface of the impact-resistant base layer is provided with a plurality of V-shaped grooves, the outer surface of the impact-resistant base layer is provided with a plurality of arc-shaped grooves, the outer surface of the first buffer layer is provided with a plurality of V-shaped convex strips which can be embedded in the V-shaped grooves, and the outer surface of the second buffer layer is provided with a plurality of arc-shaped convex strips which can be embedded in the arc-shaped grooves.

2. The impact-resistant C-PVC power pipe according to claim 1, characterized in that: The V-shaped groove and the arc-shaped groove are staggered and distributed.

3. The impact-resistant C-PVC electric power pipe according to claim 1, characterized in that: The arc of the arc-shaped convex strip is larger than a semicircle.

4. The impact-resistant C-PVC electric power pipe according to claim 1, characterized in that: The rigid reinforcement skeleton layer includes an annular steel belt and a plurality of Y-shaped reinforcing ribs arranged circumferentially along the inner surface of the annular steel belt, and the number of the Y-shaped reinforcing ribs is equal to and corresponds to the arc-shaped convex strips.

5. The impact-resistant C-PVC electric power pipe according to claim 1, characterized in that: The inner surface of the inner layer is provided with a fireproof layer, and the thickness of the fireproof layer is 60-100um.

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