High-strength insulation HPVC electric power protection tube
By introducing a combination of insulating inner tubes, support devices, anti-torsion ribs and wear-resistant strips into the HPVC power protection tube, the problem of insufficient support stability of the HPVC power protection tube under external shear force or impact is solved, high strength and wear resistance are achieved, and the protection performance of the cable is improved.
Patent Information
- Application Number
- CN202422567902.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-24
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-10-24
AI Technical Summary
When the existing HPVC power protection pipe is subjected to external shear force or impact, the support stability is insufficient, resulting in reduced protection performance.
It adopts a combined structure of an insulating inner tube, a supporting device, anti-torsion ribs, a connecting outer tube and wear-resistant strips, and uses high-strength materials such as TPE, modified polypropylene, cross-linked polyethylene and other materials to improve the overall strength and stability of the pipe body.
It enhances the overall strength and stability of the power pipe, improves the protection performance of the cable, and has excellent wear resistance and chemical corrosion resistance, especially in high temperature environments.
Smart Images

Figure CN223391038U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of HPVC electric power protection tubes, in particular to a high-strength insulation HPVC electric power protection tube. Background Art
[0002] HPVC power protection pipe, full name high-strength polyvinyl chloride power protection pipe, is a high-performance pipe made of polyvinyl chloride resin as the main raw material, which is blended and modified and extruded under a certain temperature and pressure.
[0003] For example, the utility model patent disclosed in publication number CN213717507U is a high-strength PVC power cable protection tube, which includes two groups of tube bodies. The two groups of tube bodies are symmetrically arranged on the left and right. Each group of tube bodies is provided with a fixedly connected flange on one end face facing the other group of tube bodies. The two groups of flanges are detachably connected by bolts. The outer walls of the two groups of tube bodies are sleeved with movably connected fixing devices, and the two groups of fixing devices are movably connected. This utility model aims to solve the problem that the connection of PVC protection tubes is inconvenient to disassemble.
[0004] Although the above-mentioned power protection tube is easy to disassemble, the supporting strength of the above-mentioned power protection tube is insufficient. When the power tube is subjected to external shear force or impact, its supporting stability is insufficient, thereby reducing the protection performance of various cables. Therefore, a high-strength insulation HPVC power protection tube is urgently needed to solve the above-mentioned problems. Utility Model Content
[0005] The purpose of the utility model is to provide a high-strength insulation HPVC power protection pipe to solve the problems raised in the above background technology.
[0006] To achieve the above purpose, the present invention provides the following technical solutions: a high-strength insulated HPVC power protection pipe, comprising an insulating inner pipe for protection and support,
[0007] A supporting device, the supporting device is fixedly arranged on the outer end surface of the insulating inner tube, and a protective sleeve is fixedly arranged on the outer end surface of the supporting device;
[0008] Anti-torsion reinforcement bars, wherein the anti-torsion reinforcement bars are provided in a plurality of groups, and the plurality of groups of the anti-torsion reinforcement bars are equidistantly arranged on the inner end surface of the protective sleeve;
[0009] The connecting outer tube is fixedly arranged on the outer end surface of the protective sleeve, and a wear-resistant strip is arranged on the outer end surface of the connecting outer tube.
[0010] Preferably, the supporting device includes an insulating outer tube for support, the outer end surface of the insulating outer tube is equidistantly provided with supporting clamps, and the inner end surface of the insulating outer tube is equidistantly provided with positioning guide plates, the inner end surface of the insulating outer tube is fixedly provided with a limiting inner tube through the positioning guide plates, and the outer end surface of the limiting inner tube is equidistantly provided with height slide grooves.
[0011] Preferably, the wear-resistant strips are arranged in a staggered manner and at equal intervals on the outer end surface of the connecting outer pipe, which can maximize the protection of the outer part of the power pipe.
[0012] Preferably, the insulating inner tube is made of TPE, which can effectively improve the insulation inside the power tube, and the wear-resistant strip is made of modified polypropylene, which can effectively improve the wear resistance and protection inside the power tube.
[0013] Preferably, the anti-torsion ribs and the support clamps are made of polyvinyl chloride. The anti-torsion ribs and the support clamps are made of high-strength elastic materials, which can provide sufficient support to the radial and axial directions of the pipe body, thereby improving the overall stability of the power pipe.
[0014] Preferably, the positioning guide plate and the inner limiting tube are made of cross-linked polyethylene, which makes them have excellent heat resistance, chemical corrosion resistance and high strength, thereby improving the subsequent protection of the cable in high temperature environments.
[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0016] 1. When the utility model performs protection operations on internal cables and other wires, the wear-resistant strips can perform all-round protection operations on the outside of the pipe body. At the same time, the dual high-strength protection structure of the positioning guide plate and the limiting inner tube can effectively improve the protection of the cables inside the pipe body, and multiple groups of supporting clamps have a certain elastic reset function, which can further improve the subsequent deformation reset stability of the pipe body, and multiple groups of anti-torsion ribs can support and limit the axial direction of the pipe body, thereby improving the axial support stability of the pipe body, effectively improving the overall strength of the pipe body, and thus improving the protection performance of the cables. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is an exploded view of the main body of the utility model;
[0018] Figure 2 It is a structural diagram of the main body of the utility model;
[0019] Figure 3 This is an exploded view of the support device of the present utility model;
[0020] Figure 4 It is a structural schematic diagram of the support device of the utility model.
[0021] In the figure: 1-insulating inner tube, 2-support device, 3-anti-torsion rib, 4-protective sleeve, 5-connecting outer tube, 6-wear-resistant strip, 21-insulating outer tube, 22-support clamp, 23-positioning guide, 24-height slide groove, 25-limiting inner tube. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0023] See also Figure 1-4 The utility model provides an embodiment of a high-strength insulating HPVC power protection pipe, comprising an insulating inner pipe 1 for protection and support,
[0024] The supporting device 2 is fixedly arranged on the outer end surface of the insulating inner tube 1, and a protective sleeve 4 is fixedly arranged on the outer end surface of the supporting device 2;
[0025] There are multiple groups of anti-torsion bars 3, and the multiple groups of anti-torsion bars 3 are equidistantly arranged on the inner end surface of the protective sleeve 4;
[0026] The connecting outer tube 5 is fixedly arranged on the outer end surface of the protective sleeve 4 , and a wear-resistant strip 6 is arranged on the outer end surface of the connecting outer tube 5 .
[0027] The supporting device 2 includes an insulating outer tube 21 for support, and support clamps 22 are equidistantly arranged on the outer end surface of the insulating outer tube 21, and positioning guide plates 23 are equidistantly arranged on the inner end surface of the insulating outer tube 21. A limiting inner tube 25 is fixedly arranged on the inner end surface of the insulating outer tube 21 through the positioning guide plates 23, and height slide grooves 24 are equidistantly provided on the outer end surface of the limiting inner tube 25.
[0028] The wear-resistant strips 6 are arranged in a staggered manner and at equal intervals on the outer end surface of the outer pipe 5, which can maximize the protection of the outer part of the power pipe.
[0029] The insulating inner tube 1 is made of TPE, which can effectively improve the insulation inside the power pipe. The wear-resistant strip 6 is made of modified polypropylene, which can effectively improve the wear resistance and protection inside the power pipe.
[0030] The anti-torsion ribs 3 and the support clamps 22 are both made of polyvinyl chloride. The anti-torsion ribs 3 and the support clamps 22 are made of high-strength elastic materials, which can provide sufficient support for the radial and axial directions of the pipe body and improve the overall stability of the power pipe.
[0031] The positioning guide plate 23 and the inner limiting tube 25 are made of cross-linked polyethylene, which makes them have excellent heat resistance, chemical corrosion resistance and high strength, thereby improving the subsequent protection of the cable in high-temperature environments.
[0032] Working principle: When performing protective operations on cables and other wires inside the power pipe, the wear-resistant strips 6 can perform all-round protective operations on the outside of the pipe body. At the same time, the dual high-strength protection structure of the positioning guide plate 23 and the limiting inner tube 25 can effectively improve the protection of the cables inside the pipe body, and multiple groups of supporting clamps 22 have a certain elastic reset function, which can further improve the subsequent deformation reset stability of the pipe body, and multiple groups of anti-torsion ribs 3 can support and limit the axial direction of the pipe body, thereby improving the axial support stability of the pipe body, effectively improving the overall strength of the pipe body, and thus improving the protection performance of the cables.
[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A high-strength insulated HPVC power protection tube, comprising an insulating inner tube (1) for protection and support, characterized in that: A supporting device (2), the supporting device (2) being fixedly arranged on the outer end surface of the insulating inner tube (1), and a protective sleeve (4) being fixedly arranged on the outer end surface of the supporting device (2); Anti-torsion bars (3), wherein a plurality of groups of the anti-torsion bars (3) are provided, and the plurality of groups of the anti-torsion bars (3) are equidistantly arranged on the inner end surface of the protective sleeve (4); A connecting outer tube (5) is fixedly arranged on the outer end surface of the protective sleeve (4), and a wear-resistant strip (6) is arranged on the outer end surface of the connecting outer tube (5).
2. The high-strength insulation HPVC power protection tube according to claim 1, characterized in that: The supporting device (2) comprises an insulating outer tube (21) for supporting, the outer end surface of the insulating outer tube (21) is provided with supporting clamps (22) at equal intervals, and the inner end surface of the insulating outer tube (21) is provided with positioning guides (23) at equal intervals, the inner end surface of the insulating outer tube (21) is fixedly provided with a limiting inner tube (25) through the positioning guides (23), and the outer end surface of the limiting inner tube (25) is provided with height sliding grooves (24) at equal intervals.
3. The high-strength insulation HPVC power protection tube according to claim 2, characterized in that: The wear-resistant strips (6) are arranged in a staggered manner and at equal intervals on the outer end surface of the connecting outer pipe (5).
4. The high-strength insulation HPVC power protection tube according to claim 2, characterized in that: The insulating inner tube (1) is made of TPE, and the wear-resistant strip (6) is made of modified polypropylene.
5. The high-strength insulation HPVC power protection tube according to claim 2, characterized in that: The anti-torsion reinforcement bar (3) and the supporting clamp ring (22) are both made of polyvinyl chloride.
6. The high-strength insulation HPVC power protection tube according to claim 2, characterized in that: The positioning guide plate (23) and the limiting inner tube (25) are made of cross-linked polyethylene.
Citation Information
Patent Citations
High-strength PVC power cable protection pipe
CN213717507U