Butterfly-shaped leading-in optical cable for pipeline

Abstract

The utility model discloses a butterfly-shaped leading-in optical cable for a pipeline, which comprises an optical cable core, an inner protection assembly is arranged on the outer side of the optical cable core, an outer protection assembly is arranged on the outer side of the inner protection assembly, the outer protection assembly comprises an outer protection sleeve arranged on the outermost layer, and an insulation protection sleeve is arranged in the outer protection sleeve. A tearing rope is arranged between the outer protective sleeve and the insulating protective sleeve, a plurality of cutting needles are symmetrically arranged on the outer side of the tearing rope, one end of each cutting needle is inserted into the outer protective sleeve, a protective layer is fixedly arranged on the inner side of the insulating protective sleeve, a waterproof layer is fixedly arranged on the inner side of the protective layer, and an anti-corrosion layer is fixedly arranged on the inner side of the waterproof layer. After the butterfly-shaped leading-in optical cable is led into a room, the outer protective sleeve needing to be stripped can be rapidly stripped, and meanwhile the whole cable has the advantages of being resistant to bite, waterproof, resistant to corrosion and good in rebound resilience.

Description

Technical Field

[0001] The utility model relates to the technical field of butterfly-shaped optical cable introduction, and more specifically, to a butterfly-shaped optical cable introduction for a pipeline. Background Art

[0002] The butterfly-shaped optical cable for pipelines is an effective way to lay out the optical cable core, which can realize the orderly introduction and distribution of the optical cable core inside the building structure. An outer protective sheath is usually set on the outside of the butterfly-shaped optical cable for pipelines to be used as an outdoor optical cable core. When the butterfly-shaped optical cable is introduced into the room, the outer protective sheath needs to be peeled off and used as an indoor optical cable core. After the existing butterfly-shaped optical cable for pipelines is introduced into the room, it is not convenient to peel off the outer protective sheath. The staff needs to use a sharp tool to cut a hole in the outer protective sheath and then peel off the protective layer. When cutting, it is easy to damage the butterfly-shaped optical cable inside the outer protective sheath, which is very inconvenient to operate; secondly, the existing butterfly-shaped optical cable for pipelines has weak anti-biting ability during use. In the pipeline, especially in urban areas in the south, where rats and termites are rampant, the optical cable is easily damaged after being laid, and it is difficult to ensure the communication security of the access network. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the problems existing in the prior art, the utility model provides a butterfly-shaped optical cable for pipeline introduction to solve the technical problem mentioned in the background technology that it is not convenient to peel off the outer protective cover of the existing butterfly-shaped optical cable for pipeline introduction after it is introduced into the room.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a butterfly-shaped optical cable for pipeline introduction, comprising an optical cable core, an inner protection component is arranged on the outer side of the optical cable core, an outer protection component is arranged on the outer side of the inner protection component, the outer protection component comprises an outer protective sleeve arranged on the outermost layer, an insulating protective sleeve is arranged inside the outer protective sleeve, a tear rope is arranged between the outer protective sleeve and the insulating protective sleeve, a plurality of cutting needles are symmetrically arranged on the outer side of the tear rope, one end of each cutting needle is inserted into the outer protective sleeve, a protective layer is fixedly arranged on the inner side of the insulating protective sleeve, a water-blocking layer is fixedly arranged on the inner side of the protective layer, and an anti-corrosion layer is fixedly arranged on the inner side of the water-blocking layer;

[0007] The inner protection component comprises an optical cable core protection sleeve arranged on the outside of the optical cable core, a flame retardant layer is fixedly arranged on the outside of the optical cable core protection sleeve, and a butterfly-shaped protection sleeve is arranged on the outside of the flame retardant layer.

[0008] The utility model is further configured that the protective layer is a fine steel wire mesh, so as to improve the bite resistance of the entire introduction optical cable.

[0009] The utility model is further configured that two mounting holes are provided in the butterfly-shaped protective cover to facilitate the installation of the reinforcing core.

[0010] The utility model is further configured that a reinforcing core is provided in each of the installation holes, so as to increase the tensile strength of the entire introduction optical cable.

[0011] The utility model is further configured that an inner protective sleeve is fixedly provided on the inner side of the anti-corrosion layer, so as to increase the corrosion resistance of the entire introduction optical cable.

[0012] The utility model is further configured that a filling layer is provided between the inner protective cover and the butterfly-shaped protective cover, so as to support the shape of the entire optical cable.

[0013] The utility model is further configured that two V-shaped grooves are provided on the outer side of the butterfly-shaped protective cover to facilitate the placement of the reinforcement piece.

[0014] The utility model is further configured that two reinforcing members matching with the grooves are arranged in the filling layer, so as to provide reinforced support for the filling layer and better protect the optical fiber.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a butterfly-shaped lead-in optical cable for pipelines, which has the following beneficial effects:

[0017] 1. The optical cable core and the inner protective components are protected by the coordination of the optical cable core, the outer protective sheath, the insulating protective sheath, the tear rope and the cutting needle. After the entire butterfly-shaped optical cable is introduced into the room, the outer protective sheath to be peeled off can be quickly peeled off by the tear rope and the cutting needle to avoid damaging the butterfly-shaped optical cable inside the outer protective sheath when using sharp tools for cutting. The operation is simple and improves the work efficiency of laying the butterfly-shaped optical cable indoors. The setting of the insulating protective sheath can increase the flame retardancy and fire resistance of the optical cable introduced into the room.

[0018] 2. The fine steel wire mesh of the protective layer increases the anti-bite ability of the entire butterfly-shaped optical cable, which can reduce the damage of the butterfly-shaped optical cable by rodents and termites after laying, and ensure the communication security of the access network. The water-blocking layer and anti-corrosion layer are set to increase the waterproof performance and anti-corrosion and high temperature resistance of the optical cable.

[0019] 3. The optical cable core protective sleeve and inner protective sleeve are set to increase the protection of the optical cable core. The flame retardant layer and filling layer are set to improve the heat resistance, heat insulation and flame retardancy of the optical cable. The reinforcing core, inner protection and reinforcement parts are set to increase the tensile strength of the optical cable. It is also impact-resistant and fracture-resistant and has good resilience. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1This is a schematic diagram of the overall structure of a butterfly-shaped optical cable for pipelines when the outer protective sheath is not peeled off;

[0021] Figure 2 for Figure 1 A is a partial enlarged schematic diagram;

[0022] Figure 3 for Figure 1 A partial enlarged schematic diagram of B in the middle;

[0023] Figure 4 It is a schematic diagram of a partial cross-sectional structure when the outer protective cover is not peeled off;

[0024] Figure 5 for Figure 4 A partial enlarged schematic diagram of C in the middle.

[0025] In the figure: 1. Optical cable core; 2. Outer protective cover; 3. Insulating protective cover; 4. Tear rope; 5. Cutting needle; 6. Protective layer; 7. Water-blocking layer; 8. Anti-corrosion layer; 9. Optical cable core protective cover; 10. Flame-retardant layer; 11. Butterfly protective cover; 12. Mounting hole; 13. Strengthening core; 14. Inner protective cover; 15. Filling layer; 16. Groove; 17. Strengthening piece. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0028] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0029] See also Figure 1-5A butterfly-shaped optical cable for pipeline introduction comprises an optical cable core 1, an inner protection component is arranged on the outer side of the optical cable core 1, an outer protection component is arranged on the outer side of the inner protection component, the outer protection component comprises an outer protective sleeve 2 arranged on the outermost layer, an insulating protective sleeve 3 is arranged inside the outer protective sleeve 2, a tear rope 4 is arranged between the outer protective sleeve 2 and the insulating protective sleeve 3, a plurality of cutting needles 5 are symmetrically arranged on the outer side of the tear rope 4, one end of each cutting needle 5 is inserted into the outer protective sleeve 2, a protective layer 6 is fixedly arranged on the inner side of the insulating protective sleeve 3, a water-blocking layer 7 is fixedly arranged on the inner side of the protective layer 6, and an anti-corrosion layer 8 is fixedly arranged on the inner side of the water-blocking layer 7;

[0030] The inner protection component comprises an optical cable core protection cover 9 arranged outside the optical cable core 1 , a flame retardant layer 10 is fixedly arranged outside the optical cable core protection cover 9 , and a butterfly-shaped protection cover 11 is arranged outside the flame retardant layer 10 .

[0031] In this embodiment, when the entire butterfly-shaped optical cable is laid in an outdoor pipeline, the outer protective sheath 2 protects the entire butterfly-shaped optical cable. The outer protective sheath 2 is made of PE material. When the butterfly-shaped optical cable is introduced into the room, the tear rope 4 is pulled according to the length of the outer protective sheath 2 to be peeled off. The tear rope 4 pulls out a longitudinal tearing opening of the outer protective sheath 2 during the pulling process. At the same time, the tear rope 4 drives multiple cutting needles 5 to cut multiple transverse cutting openings on the outer protective sheath 2. The outer protective sheath 2 can be peeled off from the transverse cutting opening corresponding to the length of the outer protective sheath 2 peeled off. At this time, the insulating protective sheath 3 is the outermost layer of the indoor butterfly-shaped optical cable. The insulating protective sheath 3 is made of ceramic polyolefin material, which has good flame retardancy and fire resistance. The protective layer 6 can increase the protective performance of the entire butterfly-shaped optical cable, the water-blocking layer 7 is a polyester fiber double-sided water-blocking tape, which can increase the waterproof performance of the entire butterfly-shaped optical cable, and the anti-corrosion layer 8 is a chlorinated polyethylene layer, which can increase the corrosion resistance and high temperature resistance of the entire butterfly-shaped optical cable.

[0032] More specifically, the tear rope 4 can be pulled as needed, so that the tear rope 4 and the cutting needle 5 form a longitudinal tearing opening and multiple transverse cutting openings on the outer protective sheath 2 to be peeled off, thereby facilitating its peeling off. The material of the optical cable core protective sheath 9 is high-density polyethylene, which protects the optical cable core 1. The material of the flame retardant layer 10 is polyetheretherketone, which has heat resistance and heat insulation and can play a flame retardant effect. The butterfly protective sheath 11 is a polyolefin sheath.

[0033] See also Figure 1 and Figure 2 As an implementation method for improving the biting resistance of the entire optical cable: the protective layer 6 is a fine steel wire mesh.

[0034] Specifically, the fine steel wire mesh can protect the entire butterfly-shaped optical cable, making it less likely to be damaged by rodents and termites.

[0035] See also Figure 1 As an implementation method for installing the reinforcing core 13 , two installation holes 12 are provided in the butterfly-shaped protective cover 11 .

[0036] Specifically, the two reinforcing cores 13 are installed in the two installation holes 12 .

[0037] See also Figure 1 As an implementation method for increasing the strength of the entire optical cable: a reinforcing core 13 is provided in each of the mounting holes 12 .

[0038] Specifically, the reinforcing core 13 is a steel wire, which can enhance the strength of the entire optical cable.

[0039] See also Figure 1 As an implementation method for protecting the entire optical cable: an inner protective cover 14 is fixedly provided on the inner side of the anti-corrosion layer 8.

[0040] Specifically, the inner protective sheath 14 is made of high-density polyethylene to increase protection for the optical cable core 1 .

[0041] See also Figure 1 As an implementation method for supporting the shape of the optical cable core 1 , a filling layer 15 is provided between the inner protective cover 14 and the butterfly-shaped protective cover 11 .

[0042] Specifically, the filling layer 15 is made of flame-retardant filling glue, and the filling layer 15 fills the space between the inner protective cover 14 and the butterfly-shaped protective cover 11 , thereby supporting the shape of the entire lead-in optical cable and increasing the flame retardancy.

[0043] See also Figure 1 As an implementation method for installing the reinforcement member 17 , two V-shaped grooves 16 are provided on the outer side of the butterfly protective cover 11 .

[0044] Specifically, the cross section of the reinforcement member 17 is a triangle, one corner of the reinforcement member 17 is installed in the groove 16 , and the other two corners are installed in the filling layer 15 .

[0045] See also Figure 1 As an implementation method for increasing the tensile strength of the entire butterfly-shaped optical cable introduction, two reinforcing members 17 matching with the grooves 16 are provided in the filling layer 15 .

[0046] Specifically, the reinforcement 17 is made of aramid fiber, which not only has ultra-high tensile strength, but also is impact-resistant, fracture-resistant, light in texture, and has good resilience after bending.

[0047] To sum up, when the overall equipment is in use:

[0048] When the entire butterfly-shaped optical cable is laid in an outdoor pipeline, the outer protective sheath 2 protects the entire butterfly-shaped optical cable. The outer protective sheath 2 is made of PE. When the butterfly-shaped optical cable is introduced into the room, the tear rope 4 is pulled according to the length of the outer protective sheath 2 to be peeled off. The tear rope 4 pulls a longitudinal tearing opening of the outer protective sheath 2 during the pulling process. At the same time, the tear rope 4 drives multiple cutting needles 5 to cut multiple transverse cutting openings on the outer protective sheath 2. The outer protective sheath 2 can be peeled off from the transverse cutting opening corresponding to the length of the outer protective sheath 2 peeled off. At this time, the insulating protective sheath 3 is the outermost layer of the indoor butterfly-shaped optical cable. The insulating protective sheath 3 is made of ceramic polyolefin material, which has good flame retardancy and fire resistance.

[0049] When the butterfly-shaped optical cable is in a state of being infested by rodents and termites, the protective layer 6 is a fine steel wire mesh, which can protect the entire butterfly-shaped optical cable from being damaged by rodents and termites, thereby increasing the protective performance of the entire butterfly-shaped optical cable. The water-blocking layer 7 is a polyester fiber double-sided water-blocking tape, which can increase the waterproof performance of the entire butterfly-shaped optical cable. The anti-corrosion layer 8 is a chlorinated polyethylene layer, which can increase the corrosion and high temperature resistance of the entire butterfly-shaped optical cable.

[0050] When the entire butterfly-shaped optical cable is in use, the material of the optical cable core protective sheath 9 is high-density polyethylene, which protects the optical cable core 1. The material of the flame retardant layer 10 is polyetheretherketone, which has heat resistance and heat insulation and can play a flame retardant effect. The butterfly-shaped protective sheath 11 is a polyolefin sheath, and the reinforcing core 13 is a steel wire, which can strengthen the strength of the entire optical cable. The inner protective sheath 14 is high-density polyethylene, which increases the protection of the optical cable core 1. The material of the filling layer 15 is a flame retardant filling glue, and the filling layer 15 fills the space between the inner protective sheath 14 and the butterfly-shaped protective sheath 11, thereby supporting the shape of the entire optical cable introduction and increasing the flame retardancy. The cross-section of the reinforcement member 17 is a triangle, and one corner of the reinforcement member 17 is installed in the groove 16, and the other two corners are installed in the filling layer 15. The material of the reinforcement member 17 is aramid fiber, which not only has ultra-high tensile strength, but also is impact-resistant and fracture-resistant, has a soft texture, and has good resilience after bending.

[0051] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A butterfly-shaped optical cable for pipeline introduction, comprising an optical cable core (1), characterized in that: An inner protection component is provided on the outer side of the optical cable core (1), an outer protection component is provided on the outer side of the inner protection component, the outer protection component comprises an outer protective sleeve (2) arranged on the outermost layer, an insulating protective sleeve (3) is provided inside the outer protective sleeve (2), a tear rope (4) is provided between the outer protective sleeve (2) and the insulating protective sleeve (3), a plurality of cutting needles (5) are symmetrically provided on the outer side of the tear rope (4), one end of each cutting needle (5) is inserted into the outer protective sleeve (2), a protective layer (6) is fixedly provided on the inner side of the insulating protective sleeve (3), a water-blocking layer (7) is fixedly provided on the inner side of the protective layer (6), and an anti-corrosion layer (8) is fixedly provided on the inner side of the water-blocking layer (7); The inner protection component comprises an optical cable core protection sleeve (9) arranged outside the optical cable core (1), a flame retardant layer (10) being fixedly provided outside the optical cable core protection sleeve (9), and a butterfly-shaped protection sleeve (11) being provided outside the flame retardant layer (10).

2. The butterfly-shaped optical cable for pipeline use according to claim 1 is characterized in that: The protective layer (6) is a fine steel wire mesh.

3. The butterfly-shaped optical cable for pipeline according to claim 2 is characterized in that: Two mounting holes (12) are provided in the butterfly-shaped protective cover (11).

4. The butterfly-shaped optical cable for pipeline use according to claim 3 is characterized in that: A reinforcing core (13) is provided in each mounting hole (12).

5. A butterfly-shaped optical cable for pipeline use according to any one of claims 1 or 2, characterized in that: An inner protective sleeve (14) is fixedly provided on the inner side of the anti-corrosion layer (8).

6. The butterfly-shaped optical cable for pipeline use according to claim 5, characterized in that: A filling layer (15) is provided between the inner protective sleeve (14) and the butterfly-shaped protective sleeve (11).

7. The butterfly-shaped optical cable for pipeline according to claim 6 is characterized by: Two V-shaped grooves (16) are provided on the outer side of the butterfly-shaped protective cover (11).

8. The butterfly-shaped optical cable for pipeline use according to claim 7, characterized in that: Two reinforcing members (17) matching the grooves (16) are provided in the filling layer (15).

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