CN219349215U

CN219349215U - Bending-resistant butterfly-shaped lead-in optical cable

Info

Publication number: CN219349215U
Application number: CN202320552510.4U
Authority: CN
Inventors: 万克群; 许志诚; 田海鹏; 陆志华
Original assignee: Jiangsu Vanhua Communication Technology Co ltd
Current assignee: Jiangsu Vanhua Communication Technology Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-07-14
Anticipated expiration: 2033-03-21

Abstract

The utility model discloses a bending-resistant butterfly-shaped lead-in optical cable, which is technically characterized in that: the bending-resistant butterfly-shaped lead-in optical cable comprises an optical cable body, wherein a plurality of groups of wire cores are arranged in the optical cable body, loose tubes are arranged on the outer side surfaces of the plurality of groups of wire cores, butterfly-shaped sheaths are arranged on the outer sides of the loose tubes, mounting holes are formed in two sides of each butterfly-shaped sheath, and aramid fiber reinforced core pieces are inserted into the mounting holes; the outer side of butterfly sheath is provided with the water blocking tape, the water blocking tape with be provided with the filling layer between the butterfly sheath, install two symmetrical metal reinforcement in the filling layer, have better resilience after the bending, make indoor optical cable compact structure, pleasing to the eye, be particularly suitable for the wiring of complicated indoor environment, have excellent anti side pressure and tensile properties, can resume the shape after taking place the bending, improve mechanical strength, compressive strength and the toughness of optical cable, improve the wearability of optical cable, reduce wearing and tearing when threading.

Description

Bending-resistant butterfly-shaped lead-in optical cable

Technical Field

The utility model relates to the technical field of optical cables, in particular to a bending-resistant butterfly-shaped lead-in optical cable.

Background

The butterfly-shaped lead-in optical cable is novel supporting equipment for accessing electric signals by users, the section appearance of the butterfly-shaped lead-in optical cable is butterfly-shaped, so that the butterfly-shaped lead-in optical cable meets the needs of people, the signal transmission is faster and more stable, and along with the continuous development of technology, the manufacturing process requirements of people on the butterfly-shaped lead-in optical cable are higher and higher.

At present, the butterfly-shaped lead-in optical cable is light in weight and convenient to construct, but because the diameter of an optical fiber is small and the toughness is poor, the butterfly-shaped optical cable can generate serious deformation after being pulled and dragged through a bending route during threading, the rebound resilience of the optical cable is poor, the pipeline is easy to be blocked, the threading is inconvenient, and the using effect is influenced.

Disclosure of Invention

The present utility model is directed to a bending-resistant butterfly drop cable that solves the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the bending-resistant butterfly-shaped lead-in optical cable comprises an optical cable body, wherein a plurality of groups of wire cores are arranged in the optical cable body, loose tubes are arranged on the outer side surfaces of the plurality of groups of wire cores, butterfly-shaped sheaths are arranged on the outer sides of the loose tubes, mounting holes are formed in two sides of each butterfly-shaped sheath, and aramid fiber reinforced core pieces are inserted into the mounting holes;

the outer side of the butterfly-shaped sheath is provided with a water blocking belt, a filling layer is arranged between the water blocking belt and the butterfly-shaped sheath, two symmetrical metal reinforcing pieces are arranged in the filling layer, and the outer side of the water blocking belt is provided with an outer protective sleeve.

Preferably, fiber ointment is filled between the loose tube and the plurality of groups of wire cores.

Preferably, the butterfly sheath is a polyolefin sheath.

Preferably, the filling layer is flame-retardant filling glue.

Preferably, the water-blocking tape is a polyester fiber double-sided water-blocking tape.

Preferably, the metal reinforcement comprises a steel wire and a PE protection sleeve, which is coated on the outer side surface of the steel wire and is installed in the filling layer.

Preferably, the outer protective sleeve is a polyethylene protective sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

in the first bending-resistant butterfly-shaped lead-in optical cable, a plurality of groups of wire cores are wrapped in the loose tube, so that the protection effect is facilitated, the butterfly-shaped sheath is compact in structure, the optical cable can be peeled off by adopting a unique groove design, the construction is convenient, the aramid fiber reinforced core pieces are installed by installing Kong Fangbian on two sides of the butterfly-shaped sheath, the aramid fiber reinforced core pieces not only have ultrahigh tensile strength, but also are impact-resistant, fracture-resistant, light and soft in texture, and have better rebound resilience after bending, so that the indoor optical cable is compact in structure and attractive, is particularly suitable for wiring in complex indoor environments, and has excellent lateral pressure resistance and tensile resistance;

in the second, this bending-resistant butterfly-shaped lead-in optical cable, play sealed, waterproof, dampproofing and buffering guard action through the area that blocks water, improve the waterproof nature of optical cable sinle silk, conveniently play support and flame retardant efficiency to the shape of optical cable through the filling layer, two metal reinforcement further improve optical cable bending resistance, when the threading, can resume the shape after taking place to bend, improve optical cable's mechanical strength, compressive strength and toughness, outer lag is favorable to improving optical cable's wearability, reduces wearing and tearing in the threading.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a metal reinforcement structure according to the present utility model.

In the figure: 1. an optical cable body; 2. a wire core; 3. a loose tube; 4. a butterfly-shaped sheath; 5. a mounting hole; 6. an aramid fiber reinforced core member; 7. a filling layer; 8. a metal reinforcement; 81. a steel wire; 82. PE protective sleeves; 9. an outer protective sleeve; 10. a fiber ointment; 11. and (3) a water blocking belt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides a technical solution: the bending-resistant butterfly-shaped lead-in optical cable comprises an optical cable body 1, a plurality of groups of wire cores 2 are arranged in the optical cable body 1, loose tubes 3 are arranged on the outer side surfaces of the plurality of groups of wire cores 2, butterfly-shaped sheaths 4 are arranged on the outer sides of the loose tubes 3, mounting holes 5 are formed in the two sides of each butterfly-shaped sheath 4, aramid fiber reinforced core pieces 6 are inserted into the mounting holes 5, the plurality of groups of wire cores 2 wrapped in the loose tubes 3 are beneficial to playing a protective role, the butterfly-shaped sheaths 4 are compact in structure, the optical cable can be peeled off by adopting a unique groove design without tools, construction is convenient, the mounting holes 5 on the two sides of each butterfly-shaped sheath 4 are convenient for mounting the aramid fiber reinforced core pieces 6, the aramid fiber reinforced core pieces 6 are ultra-high in tensile strength, impact-resistant, fracture-resistant, light in texture, good in rebound resilience after bending, compact in structure and attractive, and particularly suitable for wiring in complex indoor environments, and have excellent lateral pressure resistance and tensile properties;

the outside of butterfly sheath 4 is provided with water blocking tape 11, be provided with filling layer 7 between water blocking tape 11 and the butterfly sheath 4, install two symmetrical metal reinforcement 8 in the filling layer 7, the outside of water blocking tape 11 is provided with outer lag 9, play sealed through water blocking tape 11, waterproof, dampproofing and buffering guard action, improve the waterproof nature of optical cable core 2, conveniently play support and flame retardant efficiency to the shape of optical cable through filling layer 7, two metal reinforcement 8 further improve optical cable bending resistance, when the threading, can resume the shape after taking place to bend, improve the mechanical strength of optical cable, compressive strength and toughness, outer lag 9 is favorable to improving the wearability of optical cable, reduce wearing and tearing in the time of the threading.

In this embodiment, preferably, the fiber ointment 10 is filled between the loose tube 3 and the multiple groups of wire cores 2, and the fiber ointment 10 can prevent moisture from corroding the optical fibers and play a role of lining the optical fibers between the loose tube 3 and the multiple groups of wire cores 2.

In this embodiment, the butterfly sheath 4 is preferably a polyolefin sheath, and has better protection and wear resistance.

In this embodiment, the filling layer 7 is preferably a flame-retardant filling adhesive, and has the advantages of smooth viscosity casting, high curing speed, good heat resistance, high flame-retardant grade up to V0, good electrical performance and the like.

In this embodiment, the water blocking tape 11 is preferably a polyester fiber double-sided water blocking tape, which has an excellent water blocking effect and improves the water resistance inside the optical cable.

In this embodiment, preferably, the metal reinforcement 8 includes a steel wire 81 and a PE protection sleeve 82, the PE protection sleeve 82 is wrapped on the outer side surface of the steel wire 81 and is installed in the filling layer 7, and the PE protection sleeve 82 is sleeved on the steel wire 81, so that friction between the steel wire 81 and the filling layer 7 can be reduced, and the use effect is improved.

In this embodiment, the outer protective sleeve 9 is preferably a polyethylene protective sleeve, which is resistant to ozone, chemical corrosion, oil, heat, light, abrasion and tensile.

The utility model has the structural principle that: when the bending-resistant butterfly-shaped lead-in optical cable is used, a plurality of groups of wire cores 2 wrapped in the loose tube 3 are favorable for playing a protective role, the butterfly-shaped sheath 4 is compact in structure, a unique groove design is adopted, the optical cable can be opened and stripped without tools, construction is convenient, the installation holes 5 on two sides of the butterfly-shaped sheath 4 are convenient for installing the aramid fiber reinforced core piece 6, the aramid fiber reinforced core piece 6 not only has ultrahigh tensile strength, but also is impact-resistant, fracture-resistant, light in texture and good in rebound after bending, the indoor optical cable is compact in structure and attractive, the cable is especially suitable for wiring in complex indoor environments, has excellent lateral pressure resistance and tensile property, the water-blocking belt 11 plays a role in sealing, waterproofing, dampproofing and buffering protection, the optical cable core 2 is improved, the filling layer 7 is convenient for playing a role in supporting and flame-retarding the shape of the optical cable, the two metal reinforcing pieces 8 are further improved in bending resistance, the shape can be recovered after bending, the shape is improved in threading, the mechanical strength, compression strength and toughness are improved, the outer protective sleeve 9 is favorable for improving wear resistance, and wear resistance are reduced in threading

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a bending-resistant butterfly-shaped introducing optical cable, includes optical cable body (1), its characterized in that: a plurality of groups of wire cores (2) are arranged in the optical cable body (1), loose tubes (3) are arranged on the outer side surfaces of the plurality of groups of wire cores (2), butterfly-shaped jackets (4) are arranged on the outer sides of the loose tubes (3), mounting holes (5) are formed in two sides of each butterfly-shaped jacket (4), and aramid fiber reinforced core pieces (6) are inserted into the mounting holes (5);

the butterfly-shaped sheath (4) is provided with a water blocking belt (11) on the outer side, a filling layer (7) is arranged between the water blocking belt (11) and the butterfly-shaped sheath (4), two symmetrical metal reinforcing pieces (8) are arranged in the filling layer (7), and an outer protective sleeve (9) is arranged on the outer side of the water blocking belt (11).

2. The bending-resistant butterfly drop cable of claim 1, wherein: fiber ointment (10) is filled between the loose tube (3) and the plurality of groups of wire cores (2).

3. The bending-resistant butterfly drop cable of claim 1, wherein: the butterfly-shaped sheath (4) is a polyolefin sheath.

4. The bending-resistant butterfly drop cable of claim 1, wherein: the filling layer (7) is flame-retardant filling glue.

5. The bending-resistant butterfly drop cable of claim 1, wherein: the water-blocking tape (11) is a polyester fiber double-sided water-blocking tape.

6. The bending-resistant butterfly drop cable of claim 1, wherein: the metal reinforcement (8) comprises a steel wire (81) and a PE protective sleeve (82), wherein the PE protective sleeve (82) is coated on the outer side surface of the steel wire (81) and is installed in the filling layer (7).

7. The bending-resistant butterfly drop cable of claim 1, wherein: the outer protective sleeve (9) is a polyethylene protective sleeve.