A butterfly-shaped optical cable combined with an optical fiber ribbon

Abstract

The utility model belongs to cable technology field especially, it is a kind of butterfly and optical fiber ribbon composite cable, outer sheath and loose sleeve, loose sleeve is by four same outer reinforcing member sheath, four outer reinforcing members and a loose sleeve main part, and loose sleeve main part is rectangular, four outer reinforcing member sheaths are connected with the four top corners of loose sleeve main part respectively, four outer reinforcing members are located in corresponding outer reinforcing member sheath respectively, form a rectangle containing groove between two adjacent outer reinforcing member sheaths, containing groove is equipped with a butterfly communication unit, and at least one optical fiber ribbon is provided in loose sleeve main part;The utility model has simple structure, mechanical property is good, and beneficial effect such as fiber core density is big.

Description

Technical Field

[0001] This utility model belongs to the field of optical cable technology, and in particular relates to an optical cable that is a composite of a butterfly shape and an optical fiber ribbon. Background Technology

[0002] With the continuous growth in demand for broadband and high-speed access, and the increasing depletion of resources such as pipelines, the demand for high-density optical fibers in the same cable is growing day by day.

[0003] In the prior art, CN119024508A discloses a combined optical fiber ribbon cable with an outer sheath. The outer sheath contains a first combined unit and four second combined units. The first combined unit consists of four sub-units, each consisting of a connecting rib, a first loose tube, and a first reinforcing sheath connected in sequence. The connecting ribs of the four sub-units point to the same center, and a snap-fit ​​groove is formed between two adjacent first loose tubes. The second combined unit consists of a first protective plate and a second loose tube. At least one optical fiber ribbon is provided inside the first and second loose tubes. The second loose tubes of the four second combined units are respectively snapped into the snap-fit ​​grooves on the corresponding side.

[0004] The aforementioned existing technology has the following drawbacks: its compressive and tensile properties are relatively poor. Utility Model Content

[0005] To address the aforementioned problems, the purpose of this utility model is to disclose a composite optical cable of butterfly shape and optical fiber ribbon, which is achieved using the following technical solution.

[0006] A butterfly-shaped optical cable with fiber ribbon as a composite includes an outer sheath and a loose tube. The outer sheath is located outside the loose tube. The loose tube consists of four identical outer reinforcing sheaths, four outer reinforcing members, and a loose tube body. The loose tube body is rectangular. The four outer reinforcing sheaths are connected to the four vertices of the loose tube body, and the four outer reinforcing members are located within their respective outer reinforcing sheaths. The outer reinforcing sheaths are rectangular, and a rectangular receiving groove is formed between two adjacent outer reinforcing sheaths. The two sidewalls of the receiving groove are parallel, and a butterfly-shaped communication unit is provided in the receiving groove. A rectangular loose tube cavity is provided inside the loose tube body, and at least one fiber ribbon is provided in the loose tube cavity.

[0007] The aforementioned composite optical cable of butterfly and fiber ribbon has a square loose tube body and a butterfly communication unit that is either non-self-supporting or self-supporting.

[0008] The aforementioned composite optical cable of butterfly and fiber ribbon has a rectangular loose tube body. The butterfly communication unit located in the receiving slot on the short side of the loose tube body is a non-self-supporting structure, while the butterfly communication unit located in the receiving slot on the long side of the loose tube body is a self-supporting structure.

[0009] The aforementioned composite optical cable of butterfly and fiber ribbon has a non-self-supporting butterfly communication unit consisting of a butterfly communication unit sheath, two butterfly communication unit reinforcements, and one optical fiber. The two butterfly communication unit reinforcements and one optical fiber are located inside the butterfly communication unit sheath, with the optical fiber located between the two butterfly communication unit reinforcements.

[0010] The self-supporting butterfly communication unit consists of a butterfly communication unit sheath, two butterfly communication unit reinforcing members, a rib, a suspension wire, a suspension wire sheath, and an optical fiber. The two butterfly communication unit reinforcing members and the optical fiber are located inside the butterfly communication unit sheath, with the optical fiber positioned between the two butterfly communication unit reinforcing members. One end of the rib is connected to the middle of the short side of the butterfly communication unit sheath, and the suspension wire sheath is connected to the other end of the rib. The suspension wire is located inside the suspension wire sheath.

[0011] The aforementioned composite optical cable of butterfly and fiber optic ribbon has a protective cover covering the butterfly communication unit.

[0012] The aforementioned composite optical cable of butterfly and fiber ribbon has a protective cover and a receiving slot that are snapped together.

[0013] The aforementioned butterfly-shaped optical cable with fiber ribbon composite has an outer reinforcing sheath and an outer reinforcing sheath integrally formed.

[0014] The height of the protective cover of the aforementioned butterfly-shaped and fiber ribbon composite optical cable is the same as the depth of the receiving groove.

[0015] The outer sheath of the aforementioned butterfly-shaped optical cable with fiber ribbon is made of polyethylene.

[0016] The aforementioned butterfly-shaped optical cable with fiber ribbon composite has a loose tube made of polybutylene terephthalate or modified polypropylene.

[0017] The aforementioned butterfly-shaped optical cable with fiber ribbon composite has an outer reinforcing member made of steel wire or glass fiber reinforced plastic rod.

[0018] The aforementioned butterfly-shaped optical cable with fiber ribbon is composed of at least two optical fibers strung together.

[0019] The protective cover of the aforementioned butterfly-shaped optical cable with fiber ribbon is made of steel.

[0020] This utility model has the following beneficial effects: 1. The fiber optic ribbon is located between the four external reinforcing members, so that the force is more evenly distributed when the optical cable is under tension.

[0021] 2. The butterfly-shaped communication unit is located between two external reinforcing members, protecting the short sides on both sides of the butterfly-shaped communication unit.

[0022] 3. A protective cover is provided, which not only protects the long side of one side of the butterfly communication unit, but also fixes the butterfly communication unit.

[0023] 4. The protective cover and the receiving slot are interlocked to prevent the optical cable from deforming and improve the optical cable's resistance to lateral pressure.

[0024] 5. Depending on the length of the receiving slot, both non-self-supporting butterfly communication units and self-supporting butterfly communication units can be placed in the receiving slot.

[0025] 6. Rectangular loose tube cavities have a higher space utilization rate compared to circular cavities. Attached Figure Description

[0026] Figure 1 This is a three-dimensional structural schematic diagram of a segment of Embodiment 1 of the present invention.

[0027] Figure 2 This is the front view of Embodiment 1 of the present invention.

[0028] Figure 3 This is a front view of the loose sleeve of Embodiment 1 of the present invention.

[0029] Figure 4 This is a three-dimensional structural schematic diagram of a segment of Embodiment 2 of the present invention.

[0030] Figure 5 This is the front view of Embodiment 2 of the present invention.

[0031] In the diagram: 1. Outer sheath, 2. Loose tube, 21. Outer reinforcing member sheath, 22. Outer reinforcing member, 23. Loose tube body, 24. Loose tube cavity, 25. Receiving groove, 3. Butterfly-shaped communication unit, 4. Protective cover, 5. Fiber optic ribbon. Detailed Implementation

[0032] Example 1: As Figures 1 to 3A butterfly-shaped fiber ribbon composite optical cable includes an outer sheath 1 and a loose tube 2. The outer sheath 1 is located outside the loose tube 2. The loose tube 2 consists of four identical outer reinforcing sheaths 21, four outer reinforcing members 22, and a loose tube body 23. The loose tube body 23 is square. The four outer reinforcing sheaths 21 are connected to the four vertices of the loose tube body 23, and the four outer reinforcing members 22 are located inside their respective outer reinforcing sheaths 21. The outer reinforcing sheaths 21 are square, and a rectangular receiving groove 25 is formed between two adjacent outer reinforcing sheaths 21. The two side walls are parallel. A butterfly-shaped communication unit 3 is provided in the receiving groove 25. The butterfly-shaped communication unit 3 is a non-self-supporting structure, consisting of a butterfly-shaped communication unit sheath, two butterfly-shaped communication unit reinforcing members and an optical fiber. The two butterfly-shaped communication unit reinforcing members and the optical fiber are located inside the butterfly-shaped communication unit sheath. The optical fiber is located between the two butterfly-shaped communication unit reinforcing members. A protective cover 4 is provided on the outside of the butterfly-shaped communication unit 3. The protective cover 4 is snapped into the receiving groove 25. A square loose tube cavity 24 is provided inside the loose tube body 23. At least one optical fiber ribbon 5 is provided in the loose tube cavity 24.

[0033] Example 2: Figure 4 and Figure 5 and refer to Figure 3 A butterfly-shaped optical fiber composite cable includes an outer sheath 1 and a loose tube 2. The outer sheath 1 is located outside the loose tube 2. The loose tube 2 is composed of four identical outer reinforcing sheaths 21, four outer reinforcing members 22, and a loose tube body 23. The loose tube body 23 is rectangular. The four outer reinforcing sheaths 21 are respectively connected to the four apex corners of the loose tube body 23. The four outer reinforcing members 22 are respectively located inside the corresponding outer reinforcing sheaths 21. The outer reinforcing sheaths 21 are square. A rectangular receiving groove 25 is formed between two adjacent outer reinforcing sheaths 21. The two side walls of the receiving groove 25 are parallel. A butterfly-shaped communication unit 3 is provided in the receiving groove 25 located on the short side of the loose tube body 23. The butterfly-shaped communication unit 3 is a non-self-supporting structure, consisting of a butterfly-shaped communication unit sheath, two butterfly-shaped communication unit reinforcing members and an optical fiber. The two butterfly-shaped communication unit reinforcing members and the optical fiber are located inside the butterfly-shaped communication unit sheath, and the optical fiber is located between the two butterfly-shaped communication unit reinforcing members. A butterfly-shaped communication unit 3 is provided in the receiving groove 25 located on the long side of the loose tube body 23. The butterfly-shaped communication unit 3 is a self-supporting structure, consisting of a butterfly-shaped communication unit sheath, two butterfly-shaped communication unit reinforcing members, a rib, a suspension wire, a suspension wire sheath, and an optical fiber. The two butterfly-shaped communication unit reinforcing members and the optical fiber are located inside the butterfly-shaped communication unit sheath. The optical fiber is located between the two butterfly-shaped communication unit reinforcing members. One end of the rib is connected to the middle of the short side of the butterfly-shaped communication unit sheath. The suspension wire sheath is connected to the other end of the rib. The suspension wire is located inside the suspension wire sheath. The butterfly-shaped communication unit 3 is covered by a protective cover 4, which is snapped into the receiving groove 25. The loose tube body 23 is provided with a square loose tube cavity 24, and at least one optical fiber strip 5 is provided in the loose tube cavity 24.

[0034] In the aforementioned composite optical cable of butterfly and fiber ribbon, the height of the protective cover 4 is the same as the depth of the receiving groove 25.

[0035] The outer sheath 1 of the aforementioned butterfly-shaped and fiber ribbon composite optical cable is made of polyethylene.

[0036] The aforementioned butterfly-shaped optical cable with fiber ribbon composite has a loose tube 2 made of polybutylene terephthalate or modified polypropylene.

[0037] The aforementioned butterfly-shaped optical cable with fiber ribbon composite has an outer reinforcing member 22 that is a steel wire or glass fiber reinforced plastic rod.

[0038] The aforementioned butterfly-shaped optical cable with fiber ribbon is described above, wherein the fiber ribbon 5 is composed of at least two optical fibers strung together.

[0039] The protective cover 4 of the aforementioned butterfly-shaped and fiber ribbon composite optical cable is made of steel.

[0040] The aforementioned butterfly-shaped optical cable with fiber ribbon is characterized by an outer reinforcing sheath 21 and an outer reinforcing sheath 21 being integrally formed.

[0041] This utility model has the following beneficial effects: 1. The fiber optic ribbon is located between the four external reinforcing members 22, so that the force is more evenly distributed when the optical cable is under tension.

[0042] 2. The butterfly-shaped communication unit 3 is located between the two outer reinforcing members 22, protecting the short sides on both sides of the butterfly-shaped communication unit 3.

[0043] 3. A protective cover 4 is provided, which not only protects the long side of one side of the butterfly communication unit 3, but also fixes the butterfly communication unit 3.

[0044] 4. The protective cover 4 is snapped into the receiving groove 25, which can prevent the optical cable from deforming and improve the optical cable's resistance to lateral pressure.

[0045] 5. Depending on the length of the receiving slot 25, both non-self-supporting butterfly communication units 3 and self-supporting butterfly communication units 3 can be placed in the receiving slot 25.

[0046] 6. The rectangular loose tube cavity 24 has a higher space utilization rate compared to the circular cavity.

[0047] The above embodiments are merely preferred technical solutions of this utility model and should not be considered as limitations on this utility model. The protection scope of this utility model should be the technical solution described in the claims, including equivalent substitutions of the technical features described in the claims. That is, equivalent substitutions and improvements within this scope are also within the protection scope of this utility model.

Claims

1. A butterfly-shaped optical cable with a fiber ribbon, comprising an outer sheath (1) and a loose tube (2), wherein the outer sheath (1) is located outside the loose tube (2), characterized in that: The loose tube (2) consists of four identical outer reinforcing sheaths (21), four outer reinforcing members (22), and a loose tube body (23). The loose tube body (23) is rectangular. The four outer reinforcing sheaths (21) are connected to the four apex corners of the loose tube body (23). The four outer reinforcing members (22) are located in the corresponding outer reinforcing sheaths (21). The outer reinforcing sheaths (21) are rectangular. A rectangular receiving groove (25) is formed between two adjacent outer reinforcing sheaths (21). The two side walls of the receiving groove (25) are parallel. A butterfly communication unit (3) is provided in the receiving groove (25). A rectangular loose tube cavity (24) is provided in the loose tube body (23). At least one optical fiber strip (5) is provided in the loose tube cavity (24).

2. The optical cable combining a butterfly shape and an optical fiber ribbon according to claim 1, characterized in that: The loose sleeve body (23) is square, and the butterfly communication unit (3) is a non-self-supporting structure or a self-supporting structure.

3. The optical cable combining a butterfly shape and an optical fiber ribbon according to claim 1, characterized in that: The loose tube body (23) is rectangular. The butterfly communication unit (3) located in the receiving groove (25) on the short side of the loose tube body (23) is a non-self-supporting structure, while the butterfly communication unit (3) located in the receiving groove (25) on the long side of the loose tube body (23) is a self-supporting structure.

4. The optical cable combining a butterfly shape and an optical fiber ribbon according to claim 2 or claim 3, characterized in that: The non-self-supporting butterfly communication unit (3) consists of a butterfly communication unit sheath, two butterfly communication unit reinforcing members, and one optical fiber. The two butterfly communication unit reinforcing members and one optical fiber are located inside the butterfly communication unit sheath, and the optical fiber is located between the two butterfly communication unit reinforcing members. The self-supporting butterfly communication unit (3) consists of a butterfly communication unit sheath, two butterfly communication unit reinforcing members, a rib, a suspension wire, a suspension wire sheath, and an optical fiber. The two butterfly communication unit reinforcing members and the optical fiber are located inside the butterfly communication unit sheath. The optical fiber is located between the two butterfly communication unit reinforcing members. One end of the rib is connected to the middle of the short side of the butterfly communication unit sheath. The suspension wire sheath is connected to the other end of the rib. The suspension wire is located inside the suspension wire sheath.

5. The optical cable combining a butterfly shape and an optical fiber ribbon according to claim 4, characterized in that: The butterfly-shaped communication unit (3) is covered by a protective cover (4).

6. The optical cable combining a butterfly shape and an optical fiber ribbon according to claim 5, characterized in that: The protective cover (4) is snapped into the receiving groove (25).

7. The optical cable combining a butterfly shape and an optical fiber ribbon according to claim 6, characterized in that: The outer reinforcing member protective layer (21) and the outer reinforcing member protective layer (21) are integrally formed.

8. The optical cable combining a butterfly shape and an optical fiber ribbon according to claim 7, characterized in that: The height of the protective cover (4) is the same as the depth of the receiving groove (25).

9. The optical cable combining a butterfly shape and an optical fiber ribbon according to claim 8, characterized in that: The outer protective layer (1) is made of polyethylene.

10. The optical cable combining a butterfly shape and an optical fiber ribbon according to claim 9, characterized in that: The material of the loose sleeve (2) is polybutylene terephthalate or modified polypropylene.

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