Combined expansion type optical cable

Abstract

The utility model relates to the technical field of optical cables, and discloses a combined expansion type optical cable, which comprises an optical cable unit, a cable unit, a suspension wire and a suspension neck, the outer surface of the optical cable unit is a special-shaped sheath, a cable core is arranged in the special-shaped sheath, a reinforcing piece is arranged in the center of the cable core, and the suspension neck is arranged in the cable core. The cable core is internally provided with a plurality of sleeve optical units which are arranged along the circumferential direction, the sleeve optical units are internally provided with a plurality of optical fibers, the sleeve optical units are further filled with water-blocking materials, the tensile strength of the optical cable unit can be improved through the arranged reinforcers, and longitudinal water seepage can be prevented through the water-blocking materials and water-blocking elements; the optical fibers can be protected through the loose tube, the moisture-proof performance of the optical cable unit can be improved through the wrapping tape, and multiple expansion of the optical cable unit can be facilitated through the T-shaped notch in the outer surface of the special-shaped sheath, so that the optical cable unit can be connected and combined with cables such as a suspension wire, a suspension neck, the optical cable unit and a cable unit. And the overall practicability and expansibility of the optical cable unit are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical cables, in particular to a combined and expandable optical cable. Background Technique

[0002] With the rapid development of the communication industry, the use of optical fiber cables has spread all over the world. At the same time, the requirements for the expandability of optical cables are also increasing. The huge data transmission is accompanied by the expansion of optical fibers, and there are also variabilities in the applicable occasions, as well as requirements for optical and electrical hybrids, etc.

[0003] The functionality of conventional optical cables is relatively single and cannot adapt to the variability of usage requirements. Content of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] In view of the deficiencies of the prior art, the utility model provides a combined and expandable optical cable to solve the above technical problems.

[0006] (2) Technical Solutions

[0007] To achieve the above object, the utility model provides the following technical solution: A combined and expandable optical cable includes an optical cable unit, a cable unit, a messenger wire and a hanger neck. The outer surface of the optical cable unit is a special-shaped sheath. Inside the special-shaped sheath is arranged a cable core. At the central position of the cable core is arranged a strengthening member. Inside the cable core are arranged a number of sleeve optical units arranged along the circumferential direction. Inside the sleeve optical units are arranged a number of optical fibers. The sleeve optical units are also filled with water-blocking materials. On the outer surface of the water-blocking materials is arranged a loose tube. Inside the cable core are also arranged a filling cord and a water-blocking element. The outer surface of the cable core is coated with a tape. The optical cable unit can be connected to the cable unit, the messenger wire and the hanger neck.

[0008] Preferably, the optical cable unit can be connected to the messenger wire to form an 8-shaped cable and achieve self-supporting aerial installation. The optical cable unit can be connected to the hanger neck and then connected to another optical cable unit to form a parallel optical cable. The optical cable unit can be connected to the hanger neck and then connected in parallel with the cable unit to form an optical and electrical hybrid cable.

[0009] Preferably, the optical cable unit can be connected to other cables with special-shaped sheaths.

[0010] Preferably, the optical fiber is a colored optical fiber after UV curing.

[0011] Preferably, the water-blocking material is fiber paste, water-blocking yarn or water-blocking powder, and the material of the water-blocking element is cable paste or water-blocking yarn.

[0012] Preferably, the material of the loose tube is polybutylene terephthalate or modified polypropylene, and the tape is a water-blocking tape, mica tape, ceramic tape, steel-plastic composite tape, or aluminum-plastic composite tape.

[0013] Preferably, the outer surface of the special-shaped sheath is provided with a plurality of T-shaped notches spaced apart in the circumferential direction, the cross-section of the hanging neck is I-shaped, a T-shaped protrusion is arranged on the hanging wire, and the hanging neck and the hanging wire are both adapted to the T-shaped notches.

[0014] Compared with the prior art, the utility model provides a combined expansion type optical cable, which has the following beneficial effects:

[0015] 1. The utility model can improve the tensile strength of the optical cable unit by providing a reinforcement member, and can prevent longitudinal water seepage by using water-blocking materials and water-blocking elements, and can protect the optical fiber by using a loose tube, and can improve the moisture-proof performance of the optical cable unit by using a wrapping tape, and can facilitate multiple expansions of the optical cable unit by using a T-shaped notch on the outer surface of the special-shaped sheath, so that the optical cable unit can be connected and combined with cables such as suspension wires, suspension necks, optical cable units, and electrical cable units, thereby improving the overall practicality and expandability of the optical cable unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the internal structure, suspension neck and suspension wire of the optical cable unit of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the optical cable unit and the electrical cable unit of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of various combinations and expansions of the optical cable unit of the utility model;

[0019] Figure 4 It is a schematic diagram of the connection structure of various combinations and expansions of the optical cable unit of the utility model.

[0020] Among them: 1. optical fiber; 2. water-blocking material; 3. loose tube; 4. water-blocking element; 5. filling rope; 6. reinforcement; 7. wrapping tape; 8. special sheath; 9. hanging neck; 10. hanging wire; 11. optical cable unit; 12. electrical cable unit. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0022] In the description of the present utility model, unless otherwise specified, the meaning of "a plurality of" is two or more; the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation on the present utility model. In addition, terms such as "first", "second", "third", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0023] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and defined, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] Please refer to Figures 1-4 , a combined and expandable optical cable, including an optical cable unit 11, a cable unit 12, a suspension wire 10 and a suspension collar 9. The outer surface of the optical cable unit 11 is a special-shaped sheath 8. A cable core is arranged inside the special-shaped sheath 8. A strengthening member 6 is arranged at the central position of the cable core. A number of sleeve optical units are arranged in the cable core along the circumferential direction. A number of optical fibers 1 are arranged in the sleeve optical units. A water-blocking material 2 is also filled in the sleeve optical units. A loose tube 3 is arranged on the outer surface of the water-blocking material 2. A filling cord 5 and a water-blocking element 4 are also arranged in the cable core. The outer surface of the cable core is coated with a tape 7. The optical cable unit 11 can be connected to the cable unit 12, the suspension wire 10 and the suspension collar 9.

[0025] By providing the strengthening member 6, the tensile strength of the optical cable unit 11 can be improved. By means of the water-blocking material 2 and the water-blocking element 4, longitudinal water seepage can be prevented. By means of the loose tube 3, the optical fibers 1 can be protected. By means of the tape 7, the moisture-proof performance of the optical cable unit 11 can be enhanced. Through the T-shaped notch on the outer surface of the special-shaped sheath 8, various expansions of the optical cable unit 11 can be facilitated, so that the optical cable unit 11 can be connected and combined with cables such as the suspension wire 10, the suspension collar 9, the optical cable unit 11, and the cable unit 12, improving the overall practicality and expandability of the optical cable unit 11.

[0026] Specifically, in this embodiment, the optical cable unit 11 can be connected to the suspension wire 10 to form an 8-shaped cable and achieve self-supporting aerial installation. The optical cable unit 11 can be connected to the hanging neck 9 and then connected to another optical cable unit 11 to form a parallel optical cable. The optical cable unit 11 can be connected to the hanging neck 9 and then connected in parallel with the cable unit 12 to form an optical and electrical hybrid cable, realizing the functionality and expandability of the optical cable unit 11.

[0027] Specifically, in this embodiment, the optical cable unit 11 can be connected to other cables with special-shaped sheaths 8, which can further improve the functionality of the optical cable unit 11.

[0028] Specifically, in this embodiment, the optical fiber 1 is a colored optical fiber 1 after UV curing.

[0029] Specifically, in this embodiment, the water-blocking material 2 is fiber paste, water-blocking yarn or water-blocking powder, and the material of the water-blocking element 4 is cable paste or water-blocking yarn.

[0030] Specifically, in this embodiment, the material of the loose tube 3 is polybutylene terephthalate or modified polypropylene, and the wrapping tape 7 is a water-blocking tape, mica tape, ceramic tape, steel-plastic composite tape, or aluminum-plastic composite tape.

[0031] Specifically, in this embodiment, a number of T-shaped notches are arranged at intervals along the circumferential direction on the outer surface of the special-shaped sheath 8. The cross-section of the hanging neck 9 is I-shaped, and T-shaped protrusions are arranged on the suspension wire 10. The hanging neck 9 and the suspension wire 10 are both adapted to the T-shaped notches. Through the T-shaped notches on the special-shaped sheath, the I-shaped hanging neck 9, and the T-shaped protrusions on the suspension wire 10, it is convenient to combine and expand the optical cable unit 11 with other cables, improving the functionality of the optical cable unit 11.

[0032] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined expansion optical cable, comprising an optical cable unit, an electrical cable unit, a suspension wire and a suspension neck, characterized in that: The outer surface of the optical cable unit is a special-shaped sheath, a cable core is arranged inside the special-shaped sheath, a reinforcement member is arranged at the center of the cable core, a plurality of sleeve optical units arranged along the circumferential direction are arranged in the cable core, a plurality of optical fibers are arranged in the sleeve optical unit, the sleeve optical unit is also filled with water-blocking material, a loose sleeve is arranged on the outer surface of the water-blocking material, a filling rope and a water-blocking element are also arranged in the cable core, and the outer surface of the cable core is covered with a wrapping tape. The optical cable unit can be connected to the electrical cable unit, the suspension line and the suspension neck, a plurality of T-shaped recesses are arranged on the outer surface of the special-shaped sheath at intervals along the circumferential direction, the cross-section of the suspension neck is I-shaped, a T-shaped protrusion is arranged on the suspension line, and the suspension neck and the suspension line are both adapted to the T-shaped recesses.

2. The combined expansion optical cable according to claim 1, characterized in that: The optical cable unit can be connected to the suspension line to form an 8-shaped cable and realize self-supporting overhead. The optical cable unit can be connected to the suspension neck and then connected to another optical cable unit to form a parallel optical cable. The optical cable unit can be connected to the suspension neck and then connected in parallel with the cable unit to form an optoelectronic hybrid cable.

3. The combined expansion optical cable according to claim 2, characterized in that: The optical cable unit can be connected to a cable with a special-shaped sheath.

4. The combined expansion optical cable according to claim 1, characterized in that: The optical fiber is a colored optical fiber that has been UV-cured.

5. The combined expansion optical cable according to claim 1, characterized in that: The water-blocking material is fiber paste, water-blocking yarn or water-blocking powder, and the material of the water-blocking element is cable paste or water-blocking yarn.

6. The combined expansion optical cable according to claim 1, characterized in that: The material of the loose tube is polybutylene terephthalate or modified polypropylene, and the wrapping tape is a water-blocking tape, a mica tape, a ceramic tape, a steel-plastic composite tape, or an aluminum-plastic composite tape.

Images