MPP power cable protection pipe

Abstract

The utility model discloses an MPP power cable protection tube, and belongs to the field of MPP protection tubes. The MPP power cable protection pipe comprises an inner sleeve, the surface of the inner sleeve is sleeved with an outer sleeve, a hollow inner cavity is formed between the inner sleeve and the outer sleeve, a heat conduction plate is arranged in the inner sleeve, and the outer side of the heat conduction plate is fixedly connected with an extension plate; according to the utility model, through the design of the inner sleeve and the outer sleeve and the hollow inner cavity formed between the inner sleeve and the outer sleeve, an extra protection space is provided for a cable, and the double-layer structure design not only enhances the strength and durability of the protection tube, but also provides possibility for heat dissipation in the hollow inner cavity; the arrangement of the heat conducting plate is beneficial to conducting heat generated by the cable to the outside of the outer sleeve, the heat dissipation efficiency is improved, the design of the extension plate and the limiting plate not only enhances the connection between the inner sleeve and the outer sleeve, but also limits the excessive expansion or contraction of the outer sleeve, and ensures the stability and safety of the protection tube.

Description

TECHNICAL FIELD

[0001] The utility model relates to MPP protection pipe technical field especially relates to MPP power cable protection pipe. BACKGROUND

[0002] MPP protection pipe, that is, MPP power cable protection pipe, is a plastic pipe made of modified polypropylene (MPP) as the main raw material, and the MPP protection pipe has a high heat distortion temperature, can withstand certain external pressure and high temperature environment, is suitable for various complex working conditions, as a power cable protection pipe, the MPP pipe has excellent electrical insulation performance, and can effectively protect the cable from external interference and damage.

[0003] For example, the patent application number of the patent disclosed by China patent network is: 202023243790.6, and the patent name is: MPP power cable protection pipe, which comprises an outer pipe, the inner part of the outer pipe is fixedly connected with an isolation layer, the isolation layer comprises an outer layer and an inner layer, a support strip is integrally formed between the outer layer and the inner layer, and a distance separating plate is integrally formed between adjacent two support strips, the inner side and the outer side of the separating plate are integrally formed with the outer layer and the inner layer, the inner side of the isolation layer is fixedly connected with an inner pipe, and the inner side of the inner pipe is provided with a center pipe.

[0004] However, the structure of the existing protection pipe is relatively complicated, and the structure completely wrapped on the surface of the cable can not effectively dissipate the heat accumulated in the process of cable operation, and the continuously accumulated heat can affect the operation stability and safety of the cable. Utility model content

[0005] The utility model aims at solving the problem that the completely wrapped protection pipe in the prior art cannot effectively dissipate the internal accumulated temperature, and provides an MPP power cable protection pipe.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a MPP power cable protection tube, including the surface of inner cover, the surface of outer cover is equipped with the outer cover of inner cover, is provided with the hollow inner chamber between inner cover and outer cover, the inside of inner cover is provided with the heat conduction plate, the outside fixed connection of heat conduction plate has the extension plate, the side away from heat conduction plate of extension plate is in proper order and is passed through inner cover and outer cover and extends to the outside of outer cover, one end of extension plate is located the outside of outer cover and is fixedly connected with the limiting plate, inner cover and outer cover all are fixedly connected with extension plate, the surface of outer cover is provided with the protective layer, the outer surface of protective layer is fixedly connected with the protection structure.

[0008] As a preferred technical solution of the present application, the protective layer includes a waterproof film layer wrapped around the surface of the outer cover, the outer surface of the waterproof film layer is fixedly connected with an insulating layer, and the limiting plate is located between the waterproof film layer and the outer cover.

[0009] As a preferred technical solution of the present application, the surface of the outer cover is fixedly connected with a filling rubber, the filling rubber is wrapped around the surface of the limiting plate, and the outer side of the filling rubber is in contact with the inner surface of the waterproof film layer.

[0010] As a preferred technical solution of the present application, the protection structure includes a wear-resistant sleeve wrapped around the surface of the insulating layer, the outer surface of the wear-resistant sleeve is inlaid with a plurality of supports, and the supports have elasticity.

[0011] As a preferred technical solution of the present application, the outer side of the inner cover is provided with a support frame located inside the hollow inner chamber, the material of the support frame is resin material, the inside of the support frame is hollow, and the outer side of the support frame is in contact with the surfaces of the outer cover and the extension plate.

[0012] As a preferred technical solution of the present application, the inside of the inner cover is provided with an inner ring, the outer surface of the inner ring is in contact with the inner side of the heat conduction plate, the inside of the inner ring is fixedly connected with a cross plate, the cross plate can support the inner ring and divide the space inside the inner ring, and the divided space can accommodate the power cable.

[0013] Compared with the prior art, the utility model provides a MPP power cable protection tube, which has the following beneficial effects:

[0014] 1、The MPP power cable protection tube provides additional protection space for the cable through the design of the inner cover and the outer cover and the hollow inner chamber formed therebetween. This double-layer structure design not only enhances the strength and durability of the protection tube, but also makes it possible to dissipate heat in the hollow inner chamber. The arrangement of the heat conduction plate helps to conduct the heat generated by the cable to the outside of the outer cover, improving the heat dissipation efficiency. The design of the extension plate and the limiting plate not only strengthens the connection between the inner cover and the outer cover, but also limits the excessive expansion or contraction of the outer cover, ensuring the stability and safety of the protection tube.

[0015] 2、The MPP power cable protection pipe effectively prevents moisture from penetrating into the inside of the protection pipe by setting the waterproof film layer, protects the cable from the influence of a humid environment, ensures the electrical safety of the cable during use by setting the insulating layer, prevents problems such as current leakage or short circuit, the limiting plate is located between the waterproof film layer and the outer sleeve, plays a fixing and supporting role, and avoids direct contact between the waterproof film layer and the outer sleeve, reduces the potential risk of wear or damage.

[0016] 3、The MPP power cable protection pipe provides additional protection and support for the limiting plate by setting the filled rubber, and at the same time enhances the sealing between the outer sleeve and the waterproof film layer, further prevents moisture penetration, and the elastic properties of the filled rubber can also absorb and disperse external force impact, improve the impact resistance of the protection pipe.

[0017] 4、The MPP power cable protection pipe enhances the wear resistance of the outer surface of the protection pipe by setting the wear-resistant sleeve, prolongs the service life of the protection pipe, and the inlay of the elastic support not only improves the stability of the wear-resistant sleeve, but also endows the protection pipe with certain elasticity and buffering capacity, so that it can better adapt to complex and variable environmental conditions.

[0018] 5、The MPP power cable protection pipe enhances the connection strength between the inner sleeve and the outer sleeve by setting the support frame, and provides an additional support structure for the hollow inner cavity, improves the overall stability of the protection pipe, and the selection of the resin material makes the support frame have the characteristics of light weight and high strength, reduces the weight of the protection pipe, and at the same time maintains good durability.

[0019] 6、The MPP power cable protection pipe provides a more stable and safe containing space for the cable through the design of the inner ring and the cross plate, and the inner ring and the inner side of the heat conducting plate are in close contact with each other, which ensures the effective conduction of heat. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structure schematic view of the utility model;

[0021] Figure 2 It is a front view structure schematic view of the utility model;

[0022] Figure 3 It is a separation structure schematic view of the utility model;

[0023] Figure 4 It is a local structure schematic view of the utility model.

[0024] In the figure: 1, inner sleeve; 2, outer sleeve; 3, hollow inner cavity; 4, heat conduction plate; 5, extension plate; 6, limiting plate; 7, protective layer; 8, protection structure; 9, waterproof film layer; 10, insulating layer; 11, filling rubber; 12, wear-resistant sleeve; 13, support; 14, support frame; 15, inner ring; 16, cross plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Example 1

[0027] Reference Figures 1-4The utility model provides a MPP power cable protection tube, including the inner cover 1, the surface of inner cover 1 is equipped with the outer cover 2, hollow inner chamber 3 is arranged between inner cover 1 and outer cover 2, the inside of inner cover 1 is provided with heat conduction plate 4, the outer side of heat conduction plate 4 is fixedly connected with extension plate 5, the side away from heat conduction plate 4 of extension plate 5 in proper order penetrates inner cover 1 and outer cover 2 and extends to the outside of outer cover 2, and one end of extension plate 5 at the outside of outer cover 2 is fixedly connected with limiting plate 6, and inner cover 1 and outer cover 2 are fixedly connected with extension plate 5, the surface of outer cover 2 is provided with protective layer 7, the outer surface of protective layer 7 is fixedly connected with protection structure 8, through the design of inner cover 1 and outer cover 2 and the hollow inner chamber 3 formed between them, additional protection space is provided for cable, and this double-layer structure design not only enhances the strength and durability of protection tube, but also provides the possibility for heat dissipation in hollow inner chamber 3, the setting of heat conduction plate 4 helps the heat generated by cable to be conducted to the outside of outer cover 2, improves the heat dissipation efficiency, the design of extension plate 5 and limiting plate 6 not only strengthens the connection between inner cover 1 and outer cover 2, but also limits the excessive expansion or shrinkage of outer cover 2, ensures the stability and security of protection tube, protective layer 7 includes waterproof film layer 9 wrapped in the surface of outer cover 2, the outer surface of waterproof film layer 9 is fixedly connected with insulating layer 10, limiting plate 6 is located between waterproof film layer 9 and outer cover 2, the surface of outer cover 2 is fixedly connected with filling rubber 11, filling rubber 11 is wrapped in the surface of limiting plate 6, the outside of filling rubber 11 contacts with the inner surface of waterproof film layer 9, protection structure 8 includes wear-resistant sleeve 12 wrapped in the surface of insulating layer 10, the outer surface of wear-resistant sleeve 12 is inlaid with a plurality of supports 13, the support 13 has elasticity, the outside of inner cover 1 is provided with support frame 14 located in the inside of hollow inner chamber 3, the material of support frame 14 is resin material, the inside of support frame 14 is provided as hollow, the outside of support frame 14 respectively with the surface of outer cover 2 and extension plate 5 contact, the inside of inner cover 1 is provided with inner ring 15, the outer surface of inner ring 15 and the inner side of heat conduction plate 4 mutually adhere and contact, the inside of inner ring 15 is fixedly connected with cross plate 16, cross plate 16 can support inner ring 15 and divide the space in the inside of inner ring 15, and the space after division can accommodate power cable.

[0028] Specifically, the core structure of the present MPP power cable protection pipe in working / use: the inner sleeve 1 as the direct wrapping layer of the cable, not only provides preliminary protection, but also sets up the heat conduction plate 4 in its inside, the role of the heat conduction plate 4 is to effectively conduct the heat generated by the cable to avoid the cable from being damaged due to overheating, the outer side of the heat conduction plate 4 is connected with the outer sleeve 2 through the extension plate 5, this extension plate 5 not only strengthens the structural connection between the inner sleeve 1 and the outer sleeve 2, but also through the design of penetrating the inner sleeve 1 and the outer sleeve 2, the heat is conducted from the inside of the inner sleeve 1 to the outside of the outer sleeve 2, at the end of the extension plate 5 extending to the outside of the outer sleeve 2, we install the limiting plate 6, this not only further fixes the extension plate 5, but also ensures the stability of the whole protection pipe structure, the surface of the outer sleeve 2 is provided with the protective layer 7, which provides additional protection for the whole protection pipe, the protective layer 7 is composed of the waterproof film layer 9 and the insulation layer 10, the waterproof film layer 9 is wrapped on the surface of the outer sleeve 2 first, preventing water penetration, protecting the internal cable from being affected by moisture, the insulation layer 10 is covered on the outer side of the waterproof film layer 9, ensuring the electrical safety of the cable during use, in order to further enhance the stability and durability of the structure, the surface of the outer sleeve 2 is also fixedly connected with the filling rubber 11, the filling rubber 11 is wrapped on the surface of the limiting plate 6 and is in close contact with the inner surface of the waterproof film layer 9, not only improving the impact resistance of the protection pipe, but also providing a certain buffer effect for the whole structure through the elasticity of the filling rubber 11.

[0029] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. MPP power cable protection pipe comprising an inner sleeve (1), characterized in that, The surface of the inner sleeve (1) is sleeved with an outer sleeve (2), a hollow cavity (3) is arranged between the inner sleeve (1) and the outer sleeve (2), a heat conducting plate (4) is arranged inside the inner sleeve (1), the outer side of the heat conducting plate (4) is fixedly connected with an extension plate (5), the side of the extension plate (5) away from the heat conducting plate (4) penetrates the inner sleeve (1) and the outer sleeve (2) in sequence and extends to the outside of the outer sleeve (2), one end of the extension plate (5) located outside the outer sleeve (2) is fixedly connected with a limiting plate (6), the inner sleeve (1) and the outer sleeve (2) are fixedly connected with the extension plate (5), the surface of the outer sleeve (2) is provided with a protective layer (7), and the outer surface of the protective layer (7) is fixedly connected with a protection structure (8).

2. The MPP electrical cable protection pipe according to claim 1, characterized in that, The protective layer (7) comprises a waterproof film layer (9) wrapped on the surface of the outer sleeve (2), the outer surface of the waterproof film layer (9) is fixedly connected with an insulating layer (10), and the limiting plate (6) is located between the waterproof film layer (9) and the outer sleeve (2).

3. The MPP electrical cable protection pipe according to claim 2, characterized in that, The surface of the outer sleeve (2) is fixedly connected with a filling rubber (11), the filling rubber (11) is wrapped on the surface of the limiting plate (6), and the outer side of the filling rubber (11) is in contact with the inner surface of the waterproof film layer (9).

4. The MPP electrical cable protection pipe according to claim 2, characterized in that, The protection structure (8) comprises a wear-resistant sleeve (12) sleeved on the surface of the insulating layer (10), the outer surface of the wear-resistant sleeve (12) is inlaid with a plurality of supports (13), and the supports (13) are elastic.

5. The MPP electrical cable protection pipe according to claim 1, characterized in that, The outer side of the inner sleeve (1) is provided with a supporting frame (14) located inside the hollow cavity (3), the material of the supporting frame (14) is resin material, the inside of the supporting frame (14) is provided in a hollow shape, and the outer side of the supporting frame (14) is in contact with the surfaces of the outer sleeve (2) and the extension plate (5) respectively.

6. The MPP electrical cable protection pipe according to claim 1, characterized in that, The inside of the inner sleeve (1) is provided with an inner ring (15), the outer surface of the inner ring (15) is in contact with the inner side of the heat conducting plate (4), the inside of the inner ring (15) is fixedly connected with a cross plate (16), the cross plate (16) can support the inner ring (15) and divide the space inside the inner ring (15), and the divided space can accommodate a power cable.

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