PVC-C liner tube with electromagnetic shielding function

Abstract

The utility model relates to the technical field of PVC-C liner tubes, in particular to a PVC-C liner tube with an electromagnetic shielding function, which comprises a liner tube outer layer, a first shielding layer is fixedly connected on the inner layer wall of the liner tube outer layer, a liner tube inner layer is fixedly connected on the inner layer wall of the first shielding layer, and a second shielding layer is fixedly connected on the inner layer wall of the liner tube inner layer. Three supporting plates are fixedly connected to the inner layer wall of the lining pipe inner layer, a separation ring is jointly and fixedly connected between the three supporting plates and the ends, away from the lining pipe inner layer, of the three supporting plates, a plurality of second fixing grooves are formed in the outer surface of the separation ring, and a plurality of first fixing grooves are formed in the inner layer wall of the lining pipe inner layer. Partition mechanisms are jointly connected between the first fixing grooves and the corresponding second fixing grooves in a sliding mode. According to the PVC-C liner tube with the electromagnetic shielding function, the electromagnetic shielding effect can be enhanced, the electrical performance and the stability of cables can be improved, a plurality of cables can be separated from one another, and classification and arrangement of the cables are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to PVC-C lining pipe technical field, especially PVC-C lining pipe with electromagnetic shielding function. BACKGROUND

[0002] PVC-C lining pipe is a new type of engineering plastic pipe with excellent performance, when PVC-C is used as cable lining pipe material, if its electromagnetic shielding performance is not satisfactory, the electrical performance and overall stability of the cable will be significantly weakened, thereby reducing the efficiency and practicality of PVC-C lining pipe in practical application, specifically, the poor shielding effect will lead to the cable being easily affected by external electromagnetic interference during transmission, especially in complex electromagnetic environment, if different cables cannot be classified and managed through effective isolation, mutual interference will easily occur, seriously interfering with the clear transmission of signals, reducing communication quality or data transmission accuracy, more seriously, cable arrangement mode lacking sufficient electromagnetic shielding and effective isolation can also become a breeding ground for safety hazards, mutual interference between cables can not only cause equipment misoperation or failure, but also lead to current leakage, short circuit and even fire accidents in extreme cases, threatening personnel safety and production operation. Therefore, we propose PVC-C lining pipe with electromagnetic shielding function. SUMMARY

[0003] The main purpose of the utility model is to provide PVC-C lining pipe with electromagnetic shielding function, which can effectively solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0005] A PVC-C lining pipe with electromagnetic shielding function, comprising a lining pipe outer layer, a first shielding layer is fixedly connected to the inner wall of the lining pipe outer layer, a lining pipe inner layer is fixedly connected to the inner wall of the first shielding layer, three support plates are fixedly connected to the inner wall of the lining pipe inner layer, a partition ring is fixedly connected between the three support plates and the end away from the lining pipe inner layer, a plurality of second fixing grooves are formed on the outer surface of the partition ring, a plurality of first fixing grooves are formed on the inner wall of the lining pipe inner layer, and a partition mechanism is slidably connected between each of the plurality of first fixing grooves and the corresponding second fixing groove.

[0006] The first shielding layer comprises a conductor shielding layer, a metal shielding layer is fixedly connected to the inner wall of the conductor shielding layer, an insulating shielding layer is fixedly connected to the inner wall of the metal shielding layer, an electromagnetic absorbing layer is fixedly connected to the inner wall of the insulating shielding layer, the inner wall of the electromagnetic absorbing layer is fixedly connected to the outer wall of the lining pipe inner layer, and the outer wall of the conductor shielding layer is fixedly connected to the inner wall of the lining pipe outer layer.

[0007] Preferably, the metal shielding layer comprises an aluminum foil shielding layer, a copper mesh shielding layer, a tinned copper mesh shielding layer, etc., and the metal shielding layer is made of a high-conductivity metal material.

[0008] By adopting the above technical scheme, the metal shielding layer has excellent electromagnetic shielding performance.

[0009] Preferably, the inner ring wall of the separation ring is fixedly connected with a second shielding layer, and the internal structure of the second shielding layer is consistent with that of the first shielding layer.

[0010] By adopting the above technical scheme, the second shielding layer can also shield the cables inside the separation ring, and the three support plates are internally provided with shielding plates, which can also shield the cables on both sides of the support plates.

[0011] Preferably, the three support plates and the separation ring are provided in an integrated structure, and the first and second fixing grooves are provided in a T-shaped structure.

[0012] By adopting the above technical scheme, the firmness of the connection between the support plate and the separation ring can be improved, and firm clamping of the separation mechanism can be realized.

[0013] Preferably, the separation mechanism comprises a separation plate, the front end and the rear end of the separation plate are fixedly connected with shielding plates, the upper ends and the lower end faces of the two shielding plates are fixedly connected with fixed strips, and the two fixed strips are respectively clamped with the first and second fixing grooves, and the right ends of the two fixed strips are fixedly connected with two limiting clamping frames.

[0014] By adopting the above technical scheme, the multiple cables can be separated from each other by the separation mechanism, that is, the cables can be classified and arranged while the risk of interference is reduced.

[0015] Preferably, the internal structure of the shielding plate is consistent with that of the first shielding layer, and the limiting clamping frame is provided in an L-shaped structure.

[0016] By adopting the above technical scheme, the separation device can shield the cables while separating the cables, and the limiting clamping frame can limit the fixed strips.

[0017] Compared with the prior art, the utility model has the advantages of:

[0018] 1、By setting the first shielding layer and the second shielding layer, through the conductor shielding layer and the metal shielding layer, the resistance ability of the lining pipe to electromagnetic interference and the electromagnetic shielding effect can be enhanced, then through the insulating shielding layer and the electromagnetic absorbing layer, the insulating performance of the lining pipe can be improved and the electromagnetic waves can be absorbed, thereby the electromagnetic shielding effect of the whole PVC-C lining pipe can be strengthened, and the practicality of the PVC-C lining pipe in actual application is improved.

[0019] 2、By setting the separation mechanism, through the clamping between the fixing strip and the fixing groove, the separation plate separates the inside of the PVC-C lining pipe into multiple small spaces, multiple cables installed inside the lining pipe can be separated from each other, different types of cables can be effectively isolated and classified, then through the shielding plate, the interference between the cables can be reduced, thereby the communication quality of the cables can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the PVC-C lining pipe with electromagnetic shielding function.

[0021] Figure 2 It is a connection schematic view of the plurality of separation mechanisms, the separation ring and the lining pipe inner layer of the PVC-C lining pipe with electromagnetic shielding function.

[0022] Figure 3 It is a structure schematic view of the first shielding layer of the PVC-C lining pipe with electromagnetic shielding function.

[0023] Figure 4 It is a structure schematic view of the separation mechanism of the PVC-C lining pipe with electromagnetic shielding function.

[0024] In the drawing: 1, lining pipe outer layer; 2, first shielding layer; 21, conductor shielding layer; 22, metal shielding layer; 23, insulating shielding layer; 24, electromagnetic absorbing layer; 3, lining pipe inner layer; 4, support plate; 5, separation ring; 6, first fixing groove; 7, second fixing groove; 8, separation mechanism; 81, separation plate; 82, shielding plate; 83, fixing strip; 84, limiting clamping frame; 9, second shielding layer. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0026] In the description of the utility model, it is necessary to explain, the term "upper", "lower", "internal", "external" "front end", "rear end", "both ends", "one end", "the other end" and so on indicate the position relation or position relation is based on the position relation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore cannot be understood as the limitation of the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the utility model, it is necessary to explain, unless otherwise specified and limited, the term "installation", "set", "connection" and so on, should be broad understanding, for example "connection", can be fixed connection, can be detachable connection, or integrally connected;Can be mechanical connection, can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0029] A PVC-C lining pipe with electromagnetic shielding function, including lining pipe outer layer 1, the inner wall of lining pipe outer layer 1 is fixedly connected with first shielding layer 2, the inner wall of first shielding layer 2 is fixedly connected with lining pipe inner layer 3, the inner wall of lining pipe inner layer 3 is fixedly connected with three support plates 4, three support plates 4 and the end away from lining pipe inner layer 3 are fixedly connected with partition ring 5, the outer surface of partition ring 5 is equipped with several second fixed slots 7, the inner wall of lining pipe inner layer 3 is equipped with several first fixed slots 6, and several first fixed slots 6 and corresponding several second fixed slots 7 are slidably connected with partition mechanism 8.

[0030] In the embodiment, the first shielding layer 2 comprises a conductor shielding layer 21, the inner wall of the conductor shielding layer 21 is fixedly connected with a metal shielding layer 22, the inner wall of the metal shielding layer 22 is fixedly connected with an insulating shielding layer 23, the inner wall of the insulating shielding layer 23 is fixedly connected with an electromagnetic absorbing layer 24, the inner wall of the electromagnetic absorbing layer 24 is fixedly connected with the outer wall of the liner inner layer 3, the outer wall of the conductor shielding layer 21 is fixedly connected with the inner wall of the liner outer layer 1; the metal shielding layer 22 comprises an aluminum foil shielding layer, a copper mesh shielding layer, a tinned copper mesh shielding layer and the like, and is made of a metal material with high electrical conductivity; the inner wall of the separation ring 5 is fixedly connected with a second shielding layer 9, the internal structure of the second shielding layer 9 is consistent with that of the first shielding layer 2; the three support plates 4 and the separation ring 5 are arranged in an integrated structure, and the first and second fixing grooves 6 and 7 are arranged in T-shaped structures.

[0031] Through the above scheme: the resistance of the PVC-C liner pipe to electromagnetic interference can be enhanced through the conductor shielding layer 21, then the electromagnetic shielding effect can be improved through the metal shielding layer 22, so that the PVC-C liner pipe has excellent electromagnetic shielding performance, and the insulation performance of the PVC-C liner pipe can be improved through the insulating shielding layer 23, thereby improving the electrical stability of the cable, and the electromagnetic wave attenuation and absorption can be realized through the electromagnetic absorbing layer 24, which can further strengthen the electromagnetic shielding effect of the PVC-C liner pipe, and the electromagnetic shielding performance of the PVC-C liner pipe can improve the electrical performance and overall stability of the cable, thereby improving the efficiency and practicality of the PVC-C liner pipe in actual application.

[0032] In the embodiment, the separation mechanism 8 comprises a separation plate 81, the front end and the rear end of the separation plate 81 are fixedly connected with shielding plates 82, the upper ends and the lower ends of the two shielding plates 82 are fixedly connected with a fixed strip 83, and the two fixed strips 83 are respectively clamped with the first and second fixing grooves 6 and 7, and the right ends of the two fixed strips 83 are fixedly connected with two limiting clamping frames 84; the internal structure of the shielding plate 82 is consistent with that of the first shielding layer 2, and the limiting clamping frame 84 is arranged in an L-shaped structure.

[0033] Through the above scheme: the separation mechanism 8 can be installed and fixed in the interior of the PVC-C liner pipe through the clamping and limiting of the two fixed strips 83 and the limiting clamping frame 84 between the first and second fixing grooves 6 and 7, that is, the interior of the PVC-C liner pipe can be separated into multiple small spaces through multiple separation plates 81, so that multiple cables installed in the liner pipe can be separated from each other, effective isolation between different types of cables can be realized, and classification management of the cables is facilitated, and the shielding plates 82 installed on both sides of the separation plate 81 can reduce mutual interference between the cables, thereby ensuring clear transmission of cable signals and improving communication quality or accuracy of data transmission of the cables.

[0034] It should be noted that, in use, first, the number of the separation mechanisms 8 installed inside the PVC-C lining pipe can be flexibly changed according to the actual use requirements, so as to conveniently separate the inside of the PVC-C lining pipe into multiple small spaces, effectively isolate the cables through the multiple separation spaces, realize sufficient electromagnetic shielding of the cables, ensure that different types of cables can be effectively separated, reduce mutual interference, thereby comprehensively improving the comprehensive performance and reliability of the cable system, and then through the first shielding layer 2 and the second shielding layer 9, the electromagnetic shielding effect of the PVC-C lining pipe on the cables can be strengthened, the electromagnetic shielding performance of the PVC-C lining pipe is improved, the mutual interference and faults between the cables can be effectively reduced, current leakage, short circuit and even fire accidents and other safety accidents are avoided, the safety of personnel and the safety of production and operation are improved, and then through the excellent electromagnetic shielding performance of the PVC-C lining pipe and the classification and isolation mechanism for the cables, it plays a crucial role in ensuring the stable operation of the cable system, optimizing the signal transmission quality and improving the overall safety.

[0035] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A PVC-C liner with electromagnetic shielding function, comprising an outer liner layer (1), characterized in that: A first shielding layer (2) is fixedly connected to the inner wall of the outer layer (1) of the liner tube. An inner layer (3) of the liner tube is fixedly connected to the inner wall of the first shielding layer (2). Three support plates (4) are fixedly connected to the inner wall of the inner layer (3). A partition ring (5) is fixedly connected between the three support plates (4) and the end away from the inner layer (3). A plurality of second fixing grooves (7) are opened on the outer surface of the partition ring (5). A plurality of first fixing grooves (6) are opened on the inner wall of the inner layer (3). A partition mechanism (8) is slidably connected between the plurality of first fixing grooves (6) and the corresponding plurality of second fixing grooves (7). The first shielding layer (2) includes a conductor shielding layer (21), a metal shielding layer (22) is fixedly connected to the inner wall of the conductor shielding layer (21), an insulating shielding layer (23) is fixedly connected to the inner wall of the metal shielding layer (22), an electromagnetic absorption layer (24) is fixedly connected to the inner wall of the insulating shielding layer (23), and the inner wall of the electromagnetic absorption layer (24) is fixedly connected to the outer wall of the inner layer (3) of the liner tube, and the outer wall of the conductor shielding layer (21) is fixedly connected to the inner wall of the outer layer (1) of the liner tube.

2. The PVC-C liner with electromagnetic shielding function according to claim 1, characterized in that: The metal shielding layer (22) includes an aluminum foil shielding layer, a copper mesh shielding layer, and a tin-plated copper mesh shielding layer, and the metal shielding layer (22) is made of a highly conductive metal material.

3. A PVC-C liner with electromagnetic shielding function according to claim 1, characterized in that: A second shielding layer (9) is fixedly connected to the inner ring wall of the separating ring (5), and the internal structure of the second shielding layer (9) is consistent with the internal structure of the first shielding layer (2).

4. A PVC-C liner with electromagnetic shielding function according to claim 1, characterized in that: The three support plates (4) and the partition ring (5) are configured as an integrated structure, and the first fixing groove (6) and the second fixing groove (7) are both configured as T-shaped structures.

5. A PVC-C liner with electromagnetic shielding function according to claim 1, characterized in that: The separating mechanism (8) includes a separating plate (81), and a shielding plate (82) is fixedly connected to the front end and the rear end of the separating plate (81). A fixing strip (83) is fixedly connected between the upper end and the lower end face of the two shielding plates (82), and the two fixing strips (83) are respectively engaged with the first fixing groove (6) and the second fixing groove (7). Two limiting brackets (84) are fixedly connected to the right end of the two fixing strips (83).

6. A PVC-C liner with electromagnetic shielding function according to claim 5, characterized in that: The internal structure of the shielding plate (82) is consistent with the internal structure of the first shielding layer (2), and the limiting card holder (84) is set as an L-shaped structure.

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