Cable protection pipe

Abstract

The utility model discloses a cable protection tube comprising a protection inner tube, a protection outer tube is sleeved outside the protection inner tube, a plurality of outer fixing blocks are arranged on the inner wall of the protection outer tube along the circumferential direction at equal intervals, and a plurality of inner fixing blocks are arranged on the outer wall of the protection inner tube along the circumferential direction at equal intervals. A double-buffering mechanism is arranged between the outer fixing block and the inner fixing block, a cable pipe is arranged in the protection inner pipe, and an elastic ring used for sealing and dust prevention is arranged in the cable pipe. The protection outer pipe can be prevented from deforming to the maximum extent, the steel wire mesh layer on the inner wall of the protection inner pipe is used, the protection inner pipe can also be prevented from deforming to the maximum extent, and the deformation resistance of the cable pipe can be effectively improved, so that the cable pipe on the inner side of the protection inner pipe is protected to a certain extent, and the service life of the cable pipe is prolonged. And the service life of the cable in the cable tube is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of cable pipelines, in particular to a cable protection pipe. Background Art

[0002] A cable conduit is a protective tube with a certain mechanical strength that is laid on the outer layer of a cable to prevent the cable from being damaged. The cable conduit has the advantages of high current carrying capacity, low thermal resistance coefficient, and easy use. It can effectively protect the cable and can also play a certain isolation role against magnetic field interference. However, the existing cable conduits will be deformed due to external forces when used, causing the cable protection tube to be squeezed by the outside world, causing the cable inside the tube to be damaged, thereby reducing the service life of the cable, and are not suitable for promotion and use. Utility Model Content

[0003] The utility model aims to solve the technical problems existing in the prior art and provide a cable protection tube.

[0004] To achieve the above-mentioned purpose, the technical solution provided by the utility model is: a cable protection tube, including a protective inner tube, a protective outer tube is arranged outside the protective inner tube, a plurality of external fixing blocks are arranged on the inner wall of the protective outer tube at equal distances along the circumferential direction, a plurality of internal fixing blocks are arranged on the outer wall of the protective inner tube at equal distances along the circumferential direction, a double buffer mechanism is arranged between the external fixing blocks and the internal fixing blocks, a cable tube is arranged inside the protective inner tube, and an elastic ring for sealing and dustproofing is arranged inside the cable tube.

[0005] Preferably, the double buffer mechanism includes a buffer layer arranged between the external fixing block and the internal fixing block, and an arc-shaped spring is arranged in the buffer layer. The arc-shaped spring is fixedly arranged on the bottom side of the external fixing block and the top side of the internal fixing block, and the arc-shaped spring is symmetrical about the center of the buffer layer. The arc-shaped springs are all facing inward, and a wavy elastic spring is placed on the top side of the internal fixing block.

[0006] Preferably, the center position of the wavy elastic spring piece is fixed on the inner fixing block, and both ends of the wavy elastic spring piece are slidably placed on the inner fixing block.

[0007] Preferably, the elastic rings are disposed inside both ends of the cable tube, and the elastic rings are made of elastic material that can be stretched and retracted, and the diameter of one end of the elastic ring is larger than the diameter of the other end of the elastic ring.

[0008] Preferably, the inner wall of the protective inner tube is provided with a wire mesh layer.

[0009] Preferably, the outer wall of the protective outer tube is provided with an anti-corrosion layer.

[0010] Beneficial effects of the utility model:

[0011] In the utility model, when the pipeline is subjected to external force, the external force can be buffered by compression of the arc-shaped spring sheet and the wavy elastic spring sheet in the buffer layer, which can avoid deformation of the protective outer pipe to the greatest extent. In addition, the use of the wire mesh layer to protect the inner wall of the inner pipe can prevent deformation of the protective inner pipe to the greatest extent when the utility model is subjected to external extrusion, which can effectively improve the deformation resistance of the utility model, thereby protecting the cable pipe inside the protective inner pipe to a certain extent, and increasing the service life of the cable in the cable pipe, which is suitable for popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the buffer layer structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the connection between the cable tube and the elastic ring of the utility model;

[0016] Figure 4 It is a schematic diagram of the elastic ring structure of the utility model.

[0017] Figure annotation:

[0018] 1-protective outer tube 2-protective inner tube 3-wire mesh layer 4-cable tube 5-inner fixing block 6-double buffer mechanism 7-outer fixing block 8-elastic ring 9-arc-shaped spring leaf 10-wavy elastic spring leaf 11-buffer layer 12-anti-corrosion layer. DETAILED DESCRIPTION

[0019] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0020] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0021] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0022] In the description of the present invention, unless otherwise clearly defined, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meaning of the above terms in the present invention in combination with the specific content of the technical solution.

[0023] Reference Figure 1-Figure 4 A preferred embodiment of the utility model is a cable protection tube, comprising a protection inner tube 2, a protection outer tube 1 is arranged outside the protection inner tube 2, a plurality of outer fixing blocks 7 are arranged equidistantly along the circumferential direction on the inner wall of the protection outer tube 1, a plurality of inner fixing blocks 5 are arranged equidistantly along the circumferential direction on the outer wall of the protection inner tube 2, a double buffer mechanism 6 is arranged between the outer fixing blocks 7 and the inner fixing blocks 5, a cable tube 4 is arranged inside the protection inner tube 2, and an elastic ring 8 for sealing and dustproofing is arranged inside the cable tube 4.

[0024] In this embodiment, the double buffer mechanism 6 includes a buffer layer 11 disposed between the outer fixing block 7 and the inner fixing block 5, and an arc-shaped spring leaf 9 is disposed in the buffer layer 11. The arc-shaped spring leaf 9 is fixedly disposed on the bottom side of the outer fixing block 7 and the top side of the inner fixing block 5, and the arc-shaped spring leaf 9 is symmetrical about the center of the buffer layer 11, and the arc-shaped spring leaf 9 is facing inward, and a wavy elastic spring leaf 10 is placed on the top side of the inner fixing block 5. The center position of the wavy elastic spring leaf 10 is fixed on the inner fixing block 5, and the two ends of the wavy elastic spring leaf 10 are slidably placed on the inner fixing block 5.

[0025] In this embodiment, the number of the arc-shaped spring leaves 9 can be set as needed. When the protective outer tube 1 is subjected to pressure, the pressure is transmitted to the buffer layer 11 through the external fixing block 7. At this time, the arc-shaped spring leaves 9 in the buffer layer 11 are compressed, thereby effectively buffering the pressure. When the pressure is too large, the external fixing block 7 is further squeezed. At this time, the wavy elastic spring leaves 10 are compressed, thereby further buffering the pressure and ensuring the elastic effect of the buffer layer 11. It should be noted that when the wavy elastic spring leaves 10 are subjected to pressure for buffering, the wavy elastic spring leaves 10 and the arc-shaped spring leaves 9 will not interfere with each other.

[0026] In this embodiment, the elastic ring 8 is disposed inside both ends of the cable tube 4, and the elastic ring 8 is made of a retractable elastic material. The diameter of one end of the elastic ring 8 is greater than the diameter of the other end of the elastic ring 8, and the end of the elastic ring 8 with a larger diameter is fixedly connected to the cable tube 4.

[0027] When the cable is inserted into the cable tube 4, the cable first passes through the end with a larger diameter of the elastic ring 8, and then the end with a smaller diameter of the elastic ring 8 is squeezed and expanded to allow the cable to pass through. Then, under the action of elastic force, the end with a smaller diameter of the elastic ring 8 tightly surrounds the cable, thereby improving the sealing between the elastic ring 8 and the cable, preventing dust while ensuring a dry environment inside the cable tube 4, thereby increasing the service life of the cable.

[0028] In this embodiment, the inner wall of the protective inner tube 1 is provided with a steel mesh layer 3. With the use of the steel mesh layer 3, when the utility model is subjected to external extrusion, the protective inner tube 2 will not be deformed, thereby protecting the cable tube 4 inside the protective inner tube 2, increasing the service life of the cable in the cable tube 4, and being suitable for promotion and use.

[0029] In this embodiment, the outer wall of the protective outer tube 1 is provided with an anti-corrosion layer 12, which can effectively perform anti-corrosion treatment on the protective outer tube 1 and improve the service life of the utility model.

[0030] In the utility model, when the protective outer tube 1 is subjected to external force, the compression of the arc-shaped spring leaf 9 and the wavy elastic spring leaf 10 in the buffer layer 11 can buffer the external force, thereby avoiding deformation of the protective outer tube 1 to the greatest extent. In addition, the use of the wire mesh layer 3 on the inner wall of the protective inner tube 2 can avoid deformation of the protective inner tube 2 to the greatest extent when the utility model is subjected to external extrusion, and can effectively improve the deformation resistance of the utility model, thereby protecting the cable tube 4 on the inner side of the protective inner tube 2 to a certain extent, and improving the service life of the cable in the cable tube 4, which is suitable for popularization and use.

[0031] Under the premise that no conflict occurs, those skilled in the art may freely combine and superimpose the above-mentioned additional technical features.

[0032] The above description is only a preferred implementation mode of the present utility model. Any technical solution that achieves the purpose of the present utility model by basically the same means belongs to the protection scope of the present utility model.

Claims

1. A cable protection tube, characterized in that: The invention comprises a protective inner tube (2), wherein a protective outer tube (1) is disposed on the outer surface of the protective inner tube (2), a plurality of external fixing blocks (7) are arranged at equal intervals along the circumferential direction on the inner wall of the protective outer tube (1), a plurality of internal fixing blocks (5) are arranged at equal intervals along the circumferential direction on the outer wall of the protective inner tube (2), a double buffer mechanism (6) is arranged between the external fixing blocks (7) and the internal fixing blocks (5), a cable tube (4) is arranged in the protective inner tube (2), and an elastic ring (8) for sealing and dustproofing is arranged in the cable tube (4).

2. A cable protection tube according to claim 1, characterized in that: The double buffer mechanism (6) comprises a buffer layer (11) arranged between the outer fixing block (7) and the inner fixing block (5), wherein an arc-shaped spring leaf (9) is arranged in the buffer layer (11), wherein the arc-shaped spring leaf (9) is fixedly arranged on the bottom side of the outer fixing block (7) and the top side of the inner fixing block (5), and wherein the arc-shaped spring leaf (9) is symmetrical about the center of the buffer layer (11), wherein the arc-shaped spring leaf (9) is oriented inwardly, and a wavy elastic spring leaf (10) is placed on the top side of the inner fixing block (5).

3. A cable protection tube according to claim 2, characterized in that: The center position of the wavy elastic spring piece (10) is fixed on the inner fixing block (5), and the two ends of the wavy elastic spring piece (10) are slidably placed on the inner fixing block (5).

4. A cable protection tube according to claim 1, characterized in that: The elastic ring (8) is arranged inside both ends of the cable tube (4), and the elastic ring (8) is made of elastic material that can be stretched and retracted, and the diameter of one end of the elastic ring (8) is larger than the diameter of the other end of the elastic ring (8).

5. The cable protection tube according to claim 1, characterized in that: The inner wall of the protective inner tube (2) is provided with a steel wire mesh layer (3).

6. A cable protection tube according to claim 1, characterized in that: The outer wall of the protective outer tube (1) is provided with an anti-corrosion layer (12).

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