CN219266598U - Stretch-proofing optic fibre - Google Patents

Abstract

The utility model discloses a stretch-resistant optical fiber which comprises a wire core, wherein the wire core is formed by winding and fixing a plurality of groups of copper cores, and the wire core is movably inserted into the center of an armor layer. According to the utility model, the wire core penetrates through the armor layer, the copper wire braiding layers are used for braiding and winding a plurality of groups of copper wires on the surface of the armor layer, the filling layer formed by polyester fibers is filled between the hemp rope layer and the armor layer, the filling layer is in contact with the copper wire braiding layers, the polyester fibers are good in insulating property and high temperature and low temperature resistance, the hemp rope layer formed by the hemp rope fibers is sleeved outside the armor layer optical fibers, namely the tensile strength of the inner parts of the optical fibers is increased, the service life and the tensile strength of the cotton wire braiding layers outside the optical fibers are prolonged, and meanwhile the tensile properties of the inner parts and the outer parts of the optical fibers are enhanced by the filling layer, the copper wire braiding layers and the hemp rope layers, so that the problem that the existing optical fibers are easy to stretch and break in use due to poor tensile effect is solved.

Description

Stretch-proofing optic fibre

Technical Field

The utility model relates to the field of communication cables, in particular to a stretch-proof optical fiber.

Background

The optical fiber communication is widely applied with the advantages of large information capacity, good confidentiality, light weight, small volume, long distance without a relay, and the like, is widely applied to the industries of communication, traffic, industry, medical treatment, education, aerospace, computers, and the like, and is developing to a wider and deeper level, the application of the optical fiber brings deep influence and transformation to the life of human beings, however, when the optical fiber is laid outdoors, a series of operations such as pulling and winding the optical fiber are needed, the traditional optical fiber has poor stretching resistance effect, and the optical fiber is easy to stretch and break during the use, thereby influencing the normal use.

Disclosure of Invention

The present utility model is directed to a stretch resistant optical fiber that solves the above-mentioned problems associated with the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a stretch-resistant optical fiber comprising:

the wire core is formed by winding and fixing a plurality of groups of copper cores, and the wire core is movably inserted into the center of the armor layer;

the surface of the epidermis protective layer is sprayed with high-temperature resistant paint;

a stretching resistant layer is arranged in the epidermis protective layer;

the anti-stretching layer is composed of a surface protection layer and a cotton thread braiding layer, the cotton thread braiding layer is arranged inside the surface protection layer, the cotton thread braiding layer is composed of cotton threads in a braiding mode, a corrosion-resistant layer is filled between the surface protection layer and the cotton thread braiding layer, and the corrosion-resistant layer is composed of polypropylene fibers.

Preferably, the outside copper line weaving layer that is provided with of armor, it has the filling layer to fill between armor and the copper line weaving layer, the copper line weaving layer is woven by multiunit copper line and is constituteed, the copper line weaving layer is around locating inside the armor, the filling layer comprises polyester fiber.

Preferably, the armor outer wall is provided with the twine layer, twine layer outside fixedly connected with insulating layer, epidermis protective layer inner wall cover is equipped with the shielding layer, the shielding layer is located between insulating layer and the epidermis protective layer, the twine layer is woven by the twine fibre and is constituteed, the insulating layer comprises rubber silicone grease.

Preferably, the shielding layer is composed of metal aluminum foil, back glue and polyester tape, the inner wall of the shielding layer is fixedly bonded with the outer wall of the insulating layer, and the insulating layer is filled between the shielding layer and the twine layer.

The utility model has the technical effects and advantages that:

according to the utility model, a wire core penetrates through an armor layer, a copper wire braiding layer is used for braiding and winding a plurality of groups of copper wires on the surface of the armor layer, a filling layer formed by polyester fibers is filled between a twine layer and the armor layer, the filling layer is in contact with the copper wire braiding layer, the polyester fibers are good in mechanical strength and insulating property and resistant to high temperature and low temperature, so that the optical fibers can adapt to severe working environments, the twine layer formed by braiding the twine fibers is sleeved outside an optical fiber of the armor layer, namely the tensile strength of the inside of the optical fibers is increased, the softness of the optical fibers is improved, a skin protective layer is sleeved and wrapped, the inside of the skin protective layer is formed by braiding cotton fibers, the cotton fibers are soft, good in end forming effect, high temperature resistance, good in strength and the like, the electric wire bending property and tensile strength are improved, the corrosion resistance is increased, the corrosion resistance is long in service life and tensile strength of the cotton wire braiding layer outside the optical fibers are improved, and the tensile resistance of the copper wires outside the optical fibers is increased, and the tensile resistance of the optical fibers is poor in tensile strength of the inside and inside of the optical fibers is easily increased by the filling layer, the copper wires and the rope braiding layer and the rope layer are also increased, and the tensile resistance of the optical fibers is poor in tensile resistance effect caused when the optical fibers is solved.

Drawings

Fig. 1 is a schematic view of an interlayer structure of the present utility model.

Fig. 2 is an anatomic schematic of the present utility model.

In the figure: 1. a wire core; 2. an armor layer; 3. a filling layer; 4. a copper wire braid; 5. a twine layer; 6. an insulating layer; 7. a shielding layer; 8. a skin protective layer; 9. a cotton thread braiding layer; 10. and a corrosion resistant layer.

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.

The present utility model provides a stretch resistant optical fiber as shown in FIGS. 1-2, comprising:

the wire core 1 is formed by winding and fixing a plurality of groups of copper cores, and the center of the wire core 1 and the center of the armor layer 2 are movably penetrated;

the surface of the surface protection layer 8 is sprayed with high-temperature resistant paint;

a stretching resistant layer is arranged inside the epidermis protective layer 8;

the anti-stretching layer consists of a surface protection layer 8 and a cotton thread braiding layer 9, the cotton thread braiding layer 9 is arranged inside the surface protection layer 8, the cotton thread braiding layer 9 consists of cotton thread braiding, a corrosion-resistant layer 10 is filled between the surface protection layer 8 and the cotton thread braiding layer 9, the corrosion-resistant layer 10 consists of polypropylene fibers, a copper wire braiding layer 4 is arranged outside the armor layer 2, a filling layer 3 is filled between the armor layer 2 and the copper wire braiding layer 4, the copper wire braiding layer 4 consists of a plurality of groups of copper wire braiding layers, the copper wire braiding layer 4 is wound inside the armor layer 2, the filling layer 3 consists of polyester fibers, a hemp rope layer 5 is arranged on the outer wall of the armor layer 2, an insulating layer 6 is fixedly connected to the outer part of the hemp rope layer 5, a shielding layer 7 is sleeved on the inner wall of the surface protection layer 8, the shielding layer 7 is positioned between the insulating layer 6 and the surface protection layer 8, the hemp rope layer 5 consists of hemp rope fiber braiding, the insulating layer 6 consists of rubber silicone grease, the shielding layer 7 consists of metal aluminum foil, back glue and polyester tapes, the inner wall of the shielding layer 7 is fixedly adhered to the outer wall of the insulating layer 6, and the insulating layer 6 is filled between the shielding layer 7 and the hemp rope layer 5;

the filling layer 3 is composed of polyester fibers, has good insulating property with excellent mechanical strength, high temperature resistance and low temperature resistance, so that the optical fibers can adapt to severe working environments, the hemp rope layer 5 formed by braiding hemp ropes is sleeved outside the optical fibers of the armor layer 2, namely, the tensile strength inside the optical fibers is increased, the flexibility of the optical fibers is also improved, the cotton thread braiding layer 9 is braided and then filled inside the surface protection layer 8, the bending property and tensile strength of the surface protection layer 8 are improved by virtue of the characteristics of softness, good end effect, high temperature resistance, good strength and the like of cotton threads, the tensile strength outside the optical fibers is increased, the corrosion resistance layer 10 is composed of polypropylene fibers, and the characteristics of no water absorption, corrosion resistance, abrasion resistance, long service life and the like are realized.

The working principle of the utility model is as follows:

referring to fig. 1 to 2, the wire core 1 is used to penetrate through the armor layer 2, the copper wire braiding layer 4 is wound on the surface of the armor layer 2 by a plurality of groups of copper wires, the filling layer 3 composed of polyester fibers is filled between the twine layer 5 and the armor layer 2, and the filling layer 3 is in contact with the copper wire braiding layer 4, the polyester fibers have good insulating property with excellent mechanical strength and high temperature and low temperature resistance, so that the optical fibers can adapt to severe working environment, the twine layer 5 composed of twine fibers is sleeved outside the optical fibers of the armor layer 2, namely the tensile strength inside the optical fibers is increased, the flexibility of the optical fibers is also improved, the optical fibers are sleeved and wrapped by the skin protection layer 8, the inside of the skin protection layer 8 is dependent on the cotton wire braiding layer 9 and the corrosion resistant layer 10, the cotton thread weaving layer 9 is formed by weaving cotton thread fibers, the cotton thread has the characteristics of softness, good end forming effect, high temperature resistance, good strength and the like, the bending performance and the tensile strength of the electric wire are improved, the tensile strength of the outer part of the optical fiber is increased, the corrosion-resistant layer 10 is formed by polypropylene fibers, the characteristics of no water absorption, corrosion resistance, abrasion resistance, long service life and the like are achieved, the service life and the tensile strength of the cotton thread weaving layer 9 outside the optical fiber are improved, meanwhile, the interlayer structure inside the optical fiber is increased by means of the filling layer 3, the copper wire weaving layer 4 and the hemp rope layer 5, the inner and outer tensile properties are enhanced, and the problems that the existing optical fiber is poor in tensile effect and easy to stretch and break in use are solved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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 described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (4)

1. A stretch-resistant optical fiber comprising:

the cable comprises a cable core (1), wherein the cable core (1) is formed by winding and fixing a plurality of groups of copper cores, and the cable core (1) and the center of the armor layer (2) are movably penetrated;

a surface protection layer (8), wherein high-temperature resistant paint is sprayed on the surface of the surface protection layer (8);

the anti-stretching protective layer is characterized in that an anti-stretching layer is arranged inside the epidermis protective layer (8);

the anti-stretching layer is composed of a surface protection layer (8) and a cotton thread braiding layer (9), the cotton thread braiding layer (9) is arranged inside the surface protection layer (8), the cotton thread braiding layer (9) is formed by braiding cotton threads, a corrosion-resistant layer (10) is filled between the surface protection layer (8) and the cotton thread braiding layer (9), and the corrosion-resistant layer (10) is formed by polypropylene fibers.

2. The stretch-proof optical fiber according to claim 1, wherein a copper wire braiding layer (4) is arranged outside the armor layer (2), a filling layer (3) is filled between the armor layer (2) and the copper wire braiding layer (4), the copper wire braiding layer (4) is formed by braiding a plurality of groups of copper wires, the copper wire braiding layer (4) is wound inside the armor layer (2), and the filling layer (3) is formed by polyester fibers.

3. The stretch-proof optical fiber according to claim 2, wherein the outer wall of the armor layer (2) is provided with a twine layer (5), an insulating layer (6) is fixedly connected to the outer portion of the twine layer (5), a shielding layer (7) is sleeved on the inner wall of the skin protection layer (8), the shielding layer (7) is located between the insulating layer (6) and the skin protection layer (8), the twine layer (5) is formed by weaving twine fibers, and the insulating layer (6) is formed by rubber silicone grease.

4. A stretch-proof optical fiber according to claim 3, wherein the shielding layer (7) is composed of metal aluminum foil, back glue and polyester tape, the inner wall of the shielding layer (7) is adhered and fixed to the outer wall of the insulating layer (6), and the insulating layer (6) is filled between the shielding layer (7) and the twine layer (5).

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