Outdoor butterfly-shaped optical cable with self-resetting function

Abstract

The utility model discloses an outdoor butterfly-shaped optical cable with a self-resetting function, which comprises a PE (polyethylene) sheath, an armor layer is arranged inside the PE sheath, a steel-plastic composite belt is arranged inside the armor layer, polyurethane rubber core pieces are arranged inside the steel-plastic composite belt, and loose tubes are arranged among the plurality of polyurethane rubber core pieces. According to the utility model, the polyurethane rubber core member is installed in the optical cable, the optical cable has excellent wear resistance, low temperature resistance and the like, the adjustable range of hardness is wide, the Shore A30 degree to the Shore D80 degree, the rebound resilience can reach more than 85%, and the elastic metal reinforcing core member with an elastic effect is cooperated, so that the bending resistance of the optical cable is further improved, and the optical cable is compact in structure and convenient to carry. And the optical cable has a self-resetting function, and can quickly return to the original shape without being stressed after being bent, so that threading and wiring operations are facilitated, and the practicability of the optical cable is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of optical cable technology, specifically to an outdoor butterfly-shaped optical cable with self-resetting function. Background Technology

[0002] The butterfly optical cable is a new type of support device for users to access electrical signals. It is named for its butterfly-shaped cross-section. The butterfly optical cable better meets people's needs and the signal transmission is faster and more stable. With the continuous development of technology, people have higher and higher requirements for the manufacturing process of the butterfly optical cable.

[0003] When threading a butterfly-shaped optical cable, it will undergo significant deformation due to stretching and dragging as it passes through a bend. The cable has poor resilience, which can easily cause blockage in the conduit, making it inconvenient to thread and affecting its performance.

[0004] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the issues raised in the appeal, this utility model provides an outdoor butterfly-shaped optical cable with a self-resetting function, thereby resolving the problems mentioned in the background art.

[0007] (II) Technical Solution

[0008] To address the aforementioned problems, the specific technical solution adopted by this utility model is as follows:

[0009] An outdoor butterfly-shaped optical cable with self-resetting function includes a PE sheath, an armor layer inside the PE sheath, a steel-plastic composite tape inside the armor layer, a polyurethane rubber core inside the steel-plastic composite tape, loose tubes between multiple polyurethane rubber cores, optical fibers inside the loose tubes, and elastic metal reinforcing cores inside the PE sheath and on both sides of the armor layer.

[0010] Furthermore, the elastic metal reinforcing core is made of 65Mn spring steel.

[0011] Furthermore, cable grease is provided inside the steel-plastic composite strip and between the polyurethane rubber core components.

[0012] Furthermore, fiber grease is provided inside the loose tube and on the outside of the optical fiber.

[0013] Furthermore, a water-blocking strip is provided on the inner side of the steel-plastic composite belt.

[0014] Furthermore, a suspension wire is connected to the outer side of the PE sheath via a connecting part.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, this utility model provides an outdoor butterfly-shaped optical cable with self-resetting function, which has the following beneficial effects:

[0017] In this invention, the optical cable is internally fitted with a polyurethane rubber core, which has excellent wear resistance, low-temperature resistance, and a wide adjustable hardness range. Between Shore A30 and Shore D80, the resilience can reach over 85%. Combined with an elastic metal reinforcing core, the bending resistance of the optical cable is further improved, making the optical cable structure compact and self-resetting. After bending, it can quickly return to its original shape under no stress, so as to facilitate threading and wiring operations, greatly improving the practicality of the optical cable. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of an outdoor butterfly-shaped optical cable with self-resetting function proposed in this utility model;

[0020] Figure 2 This is a front view structural diagram of the present invention;

[0021] Figure 3 This is a schematic diagram of the overall connection structure of the optical fiber cable of this utility model.

[0022] In the picture:

[0023] 1. PE sheath; 2. Steel-plastic composite tape; 3. Cable grease; 4. Armor layer; 5. Polyurethane rubber core; 6. Loose tube; 7. Fiber optic cable; 8. Fiber grease; 9. Connector; 10. Suspension wire; 11. Elastic metal reinforcing core; 12. Water-blocking tape. Detailed Implementation

[0024] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0025] According to an embodiment of the present invention, an outdoor butterfly-shaped optical cable with a self-resetting function is provided.

[0026] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments, such as... Figure 1-3 As shown, an outdoor butterfly-shaped optical cable with self-resetting function according to an embodiment of the present utility model includes a PE sheath 1, an armor layer 4 inside the PE sheath 1, a steel-plastic composite strip 2 inside the armor layer 4, a polyurethane rubber core 5 inside the steel-plastic composite strip 2, a loose tube 6 between multiple polyurethane rubber cores 5, an optical fiber 7 inside the loose tube 6, and an elastic metal reinforcing core 11 inside the PE sheath 1 and located on both sides of the armor layer 4.

[0027] In one embodiment, the optical cable is internally fitted with a polyurethane rubber core 5, which has excellent wear resistance, low temperature resistance, and a wide adjustable hardness range. The resilience can reach more than 85% between Shore A30 and Shore D80. Combined with an elastic metal reinforcing core 11, which has an elastic effect, the bending resistance of the optical cable is further improved, making the optical cable structure compact and having a self-resetting function. After bending, it can quickly return to its original shape under no force, so as to facilitate the threading and wiring operations, greatly improving the practicality of the optical cable.

[0028] Specifically, the elastic metal reinforcing core 11 is made of 65Mn spring steel.

[0029] In one embodiment, it has a high strength and elasticity limit, which helps the optical cable quickly return to its original state.

[0030] Specifically, cable grease 3 is provided inside the steel-plastic composite strip 2 and between the polyurethane rubber core 5.

[0031] In one embodiment, it serves to provide waterproofing, moisture protection, cushioning, and adhesion.

[0032] Specifically, fiber optic grease 8 is provided inside the loose tube 6 and outside the optical fiber 7.

[0033] In one embodiment, it has the function of preventing water and moisture from damaging the optical fiber and providing a mechanical buffering effect on the optical fiber.

[0034] Specifically, a water-blocking strip 12 is provided on the inner side of the steel-plastic composite strip 2.

[0035] In one embodiment, it has a waterproof and moisture-proof effect, ensuring the safe operation of the optical cable.

[0036] Specifically, the outer side of the PE sheath 1 is connected to a suspension line 10 via a connecting part 9.

[0037] In one embodiment, it is used to secure the optical cable and ensure the standard height of the sag between poles.

[0038] Working principle: The optical cable is internally equipped with a polyurethane rubber core 5, which has excellent wear resistance, low temperature resistance, and a wide adjustable hardness range. The resilience can reach more than 85% between Shore A30 and Shore D80. Combined with the elastic metal reinforcing core 11, which has an elastic effect, the bending resistance of the optical cable is further improved, making the optical cable structure compact and having a self-resetting function. After bending, it can quickly return to its original shape under no force, so as to facilitate the threading and wiring operations, greatly improving the practicality of the optical cable.

[0039] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0040] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An outdoor butterfly-shaped optical cable with self-resetting function, comprising a PE sheath (1), characterized in that, The PE sheath (1) has an armor layer (4) inside, a steel-plastic composite strip (2) inside the armor layer (4), a polyurethane rubber core (5) inside the steel-plastic composite strip (2), a loose tube (6) between multiple polyurethane rubber cores (5), an optical fiber (7) inside the loose tube (6), and an elastic metal reinforcing core (11) inside the PE sheath (1) and on both sides of the armor layer (4).

2. The outdoor butterfly optical cable with self-resetting function according to claim 1, characterized in that, The elastic metal reinforcing core (11) is made of 65Mn spring steel.

3. An outdoor butterfly-shaped optical cable with self-resetting function according to claim 1, characterized in that, Cable grease (3) is provided inside the steel-plastic composite strip (2) and between the polyurethane rubber core (5).

4. An outdoor butterfly-shaped optical cable with self-resetting function according to claim 1, characterized in that, The loose tube (6) is provided with fiber grease (8) inside and outside the optical fiber (7).

5. An outdoor butterfly-shaped optical cable with self-resetting function according to claim 1, characterized in that, The inner side of the steel-plastic composite belt (2) is provided with a water-blocking strip (12).

6. An outdoor butterfly-shaped optical cable with self-resetting function according to claim 1, characterized in that, The outer side of the PE sheath (1) is connected to a suspension line (10) via a connecting part (9).

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