CN214151149U

CN214151149U - Wear-resisting optical cable

Info

Publication number: CN214151149U
Application number: CN202022912940.1U
Authority: CN
Inventors: 何炎平
Original assignee: Shenzhen Runxiang Communication Technology Co ltd
Current assignee: Shenzhen Runxiang Communication Technology Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-09-07
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a wear-resisting type optical cable relates to an optical cable technical field, including optical cable body, bar bellying, reinforcement, filler and optical cable core, the outer parcel of optical cable body has the oversheath, the inner wall fixedly connected with waterproof layer of oversheath. The utility model discloses in, use through the cooperation between optical cable body and the bar bellying, contact between optical cable body and the foreign object has been avoided, thereby the outside wearing and tearing of optical cable body have been reduced, and then the wearability of optical cable body has been strengthened, effectually prevent that the optical cable core is impaired, pass through the optical cable body, the core is strengthened at the center and supplementary cooperation between strengthening the core is used, effectively increase the intensity and the toughness of optical cable body, thereby the better life of optical cable has been ensured, through the optical cable body, cooperation between first fire-retardant layer and the fire-retardant layer of second is used, make this optical cable security performance better, thereby better satisfy the market demand.

Description

Wear-resisting optical cable

Technical Field

The utility model relates to an optical cable technical field specifically is a wear-resisting type optical cable.

Background

Fiber optic cables are manufactured to meet optical, mechanical, or environmental performance specifications and utilize one or more optical fibers disposed in a covering jacket as the transmission medium and may be used individually or in groups as telecommunication cable assemblies. The optical cable is mainly composed of optical fibers (thin glass filaments like hair), a plastic protective sleeve and a plastic sheath, and metals such as gold, silver, copper and aluminum are not contained in the optical cable, so that the optical cable generally has no recycling value. The optical cable is a communication line which is formed by a certain number of optical fibers into a cable core in a certain mode, is externally coated with a sheath, and is also coated with an outer protective layer for realizing optical signal transmission. Namely: a cable formed by subjecting an optical fiber (optical transmission carrier) to a certain process. The basic structure of the optical cable generally comprises a cable core, a reinforcing steel wire, a filler, a sheath and other parts, and further comprises a waterproof layer, a buffer layer, an insulated metal wire and other components according to requirements.

However, in the prior art, most optical cables lack wear resistance, and the optical cables without wear resistance are easily damaged when being rubbed, so that the optical cable core is damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear-resisting type optical cable to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a wear-resisting type optical cable, includes optical cable body, bar bellying, reinforcement, filler and optical cable core, the outer parcel of optical cable body has the oversheath, the inner wall fixedly connected with waterproof layer of oversheath, the inner wall of waterproof layer is provided with first fire-retardant layer, first fire-retardant inner wall is provided with the insulating layer, the outer wall parcel of optical cable core has the inner insulating layer, the outer wall of inner insulating layer is provided with the fire-retardant layer of second, the outer wall parcel on the fire-retardant layer of second has the inner sheath, the inside of reinforcement is provided with central filling rope, and the outer wall symmetry fixedly connected with supporting legs of reinforcement, the inside of supporting legs is provided with supplementary filling rope.

As a further aspect of the present invention: the protruding piece of bar is provided with six, and six the protruding piece symmetry fixed connection of bar is at the outer wall of oversheath.

As a further aspect of the present invention: the supporting legs and the reinforcing piece are adaptive, the supporting legs and the reinforcing piece are located inside the optical cable body, the supporting legs are three, one side, away from the reinforcing piece, of the supporting legs is connected with the inner wall of the insulating layer, the reinforcing piece and the supporting legs divide the inside of the optical cable body into three chambers, and the filler is filled in the inside of each chamber.

As a further aspect of the present invention: the optical cable core is provided with three, and the optical cable core is in the cavity, three the optical cable core with three the cavity one-to-one, and three the optical cable core all is in the inside central authorities of filler.

As a further aspect of the present invention: the first flame-retardant layer and the second flame-retardant layer are both members made of aramid yarns.

As a further aspect of the present invention: the central filling rope and the auxiliary filling rope are both members made of polypropylene filling materials.

Compared with the prior art, the beneficial effects of the utility model are that: through the cooperation use between optical cable body and the bar protruding piece, avoided contact between optical cable body and the foreign object, thereby the outside wearing and tearing of optical cable body have been reduced, and then the wearability of optical cable body has been strengthened, effectually prevent that the optical cable core is impaired, through the optical cable body, the cooperation between core and the supplementary enhancement core is strengthened at the center is used, effectively increase the intensity and the toughness of optical cable body, thereby better guarantee the life of optical cable, through the optical cable body, cooperation between first fire-retardant layer and the fire-retardant layer of second is used, make this optical cable security performance better, thereby better satisfying the market demand.

Drawings

Fig. 1 is a schematic structural diagram of a wear-resistant optical cable.

Fig. 2 is an enlarged schematic structural diagram of a in the abrasion-resistant optical cable.

Fig. 3 is an enlarged structural schematic diagram of B in the abrasion-resistant optical cable.

The labels in the figure are: 1. an optical cable body; 2. a bar-shaped protrusion; 3. a center-fill cord; 4. a reinforcement; 5. an auxiliary filling rope; 6. supporting legs; 7. a filler; 8. an outer sheath; 9. a waterproof layer; 10. a first flame retardant layer; 11. an insulating layer; 12. an optical cable core; 13. an inner sheath; 14. a second flame retardant layer; 15. an inner insulating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the present invention, a wear-resistant optical cable comprises an optical cable body 1, bar-shaped protrusions 2, a reinforcement 4, a filler 7 and an optical cable core 12, an outer layer of the optical cable body 1 is wrapped by an outer sheath 8, six bar-shaped protrusions 2 are provided, six bar-shaped protrusions 2 are symmetrically and fixedly connected to an outer wall of the outer sheath 8, an inner wall of the outer sheath 8 is fixedly connected with a waterproof layer 9, an inner wall of the waterproof layer 9 is provided with a first flame retardant layer 10, an inner wall of the first flame retardant layer 10 is provided with an insulating layer 11, supporting legs 6 are adapted to the reinforcement 4, the supporting legs 6 and the reinforcement 4 are both located inside the optical cable body 1, three supporting legs 6 are provided, one side of the supporting legs 6 away from the reinforcement 4 is connected to an inner wall of the insulating layer 11, the reinforcement 4 and the supporting legs 6 divide the inside of the optical cable body 1 into three chambers, the filler 7 is filled inside each chamber, optical cable core 12 is provided with threely, and optical cable core 12 is inside the cavity, three optical cable core 12 and three cavity one-to-one, and three optical cable core 12 all is in the inside central authorities of filler 7, the outer wall parcel of optical cable core 12 has internal insulation 15, the outer wall of internal insulation 15 is provided with the fire-retardant layer 14 of second, first fire-retardant layer 10 and the fire-retardant layer 14 of second are the component of an aramid yarn material, the outer wall parcel of the fire-retardant layer 14 of second has inner sheath 13, the inside of reinforcement 4 is provided with central filling rope 3, and the outer wall symmetry fixedly connected with supporting legs 6 of reinforcement 4, the inside of supporting legs 6 is provided with supplementary filling rope 5, central filling rope 3 and supplementary filling rope 5 are the component of a polypropylene material of filling.

The utility model discloses a theory of operation is: in the using process, firstly, the contact between the optical cable body 1 and a foreign object is avoided through the distance formed between the strip-shaped protruding part 2 arranged on the outer wall of the optical cable body 1 and the optical cable body 1, so that the abrasion outside the optical cable body 1 is reduced, the wear resistance of the optical cable body 1 is further enhanced, the optical cable core 12 is effectively prevented from being damaged, the central filling rope 3 and the auxiliary filling rope 5 which are made of polypropylene materials and arranged inside the optical cable body 1 are used, the filling rope made of polypropylene materials has non-hygroscopicity, high temperature resistance, high strength toughness and high wear resistance, the sun and rain showers of the optical cable can be borne, the toughness of the optical cable body 1 is increased, the service life of the optical cable is better ensured, the first flame-retardant layer 10 made of aramid yarn materials arranged on the outer wall of the insulating layer 11 and the second flame-retardant layer 14 made of aramid yarn materials arranged on the outer wall of the inner insulating layer 15 are used, and the flame-retardant effect of the optical cable body 1 with double flame-retardant layers is better, the aramid yarn can keep inherent stability, very low shrinkage, low creep and very high glass transition temperature at higher temperature, and has higher corrosion resistance and non-conductivity, so that the optical cable has better safety performance and better meets the market demand.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a wear-resisting type optical cable, includes optical cable body (1), bar bellying (2), reinforcement (4), filler (7) and optical cable core (12), its characterized in that: the outer layer of optical cable body (1) is wrapped up in oversheath (8), the inner wall fixedly connected with waterproof layer (9) of oversheath (8), the inner wall of waterproof layer (9) is provided with first fire-retardant layer (10), first fire-retardant layer (10) inner wall is provided with insulating layer (11), the outer wall parcel of optical cable core (12) has inner insulating layer (15), the outer wall of inner insulating layer (15) is provided with the fire-retardant layer of second (14), the outer wall parcel of the fire-retardant layer of second (14) has inner sheath (13), the inside of reinforcement (4) is provided with central filling rope (3), and the outer wall symmetry fixedly connected with supporting legs (6) of reinforcement (4), the inside of supporting legs (6) is provided with supplementary filling rope (5).

2. A wear-resistant optical cable as claimed in claim 1, wherein: the six protruding pieces (2) are symmetrically and fixedly connected to the outer wall of the outer sheath (8).

3. A wear-resistant optical cable as claimed in claim 1, wherein: supporting legs (6) and reinforcement (4) adaptation, and supporting legs (6) and reinforcement (4) all are in the inside of optical cable body (1), supporting legs (6) are provided with threely, and supporting legs (6) keep away from the inner wall connection of one side and insulating layer (11) of reinforcement (4), reinforcement (4) and supporting legs (6) divide into three cavity with the inside of optical cable body (1), filler (7) are filled in the inside of every cavity.

4. A wear-resistant optical cable as claimed in claim 1, wherein: the optical cable core (12) is provided with three optical cable cores (12), the optical cable cores (12) are located in the chambers, the three optical cable cores (12) correspond to the three chambers one by one, and the three optical cable cores (12) are located in the center of the interior of the filler (7).

5. A wear-resistant optical cable as claimed in claim 1, wherein: the first flame-retardant layer (10) and the second flame-retardant layer (14) are both made of aramid yarns.

6. A wear-resistant optical cable as claimed in claim 1, wherein: the central filling rope (3) and the auxiliary filling rope (5) are both members made of polypropylene filling materials.