CN219626364U - Steel-plastic composite belt for optical cable - Google Patents

Abstract

The utility model discloses a steel-plastic composite belt for an optical cable, which comprises the following components: an inner liner layer for encasing the fiber optic core; the insulation layer is used for separating the optical fiber cores, and the insulation layer is wrapped outside the inner lining layer; the first waterproof layer is used for waterproofing, the first waterproof layer is wrapped on the outer side of the insulating layer, the stainless steel base band layer is wrapped on the outer side of the first waterproof layer; the outer side of the stainless steel base band layer is wrapped with the stretch-resistant layer; the outer side of the stretch-proof layer is wrapped with a second waterproof layer; the second waterproof layer is wrapped with a corrosion-resistant layer; wherein, the inside annular distribution of stretch-proofing layer has a plurality of stretch-proofing strip. Through first waterproof layer and second waterproof layer can effectually avoid insulating layer damping and moisture infiltration, through stretch-proofing layer improved the inside compressive resistance of compound area and stretch-proofing nature.

Description

Steel-plastic composite belt for optical cable

Technical Field

The utility model relates to the technical field of composite belts, in particular to a steel-plastic composite belt for an optical cable.

Background

The steel-plastic composite belt is mainly used in wires and cables, plays a shielding role, and further ensures signal transmission; with the high-speed development of modern technology, the performance requirements on the composite tape are higher and higher, and the composite tape can protect the optical cable.

The existing steel-plastic composite belt has poor toughness and weak tensile resistance, and is easy to damage in the use process, so that the normal communication of the optical cable is affected; the existing steel-plastic composite belt has poor waterproof performance, is easy to cause moisture regain of an insulating layer and damage the insulating strength of an optical cable to cause faults, and therefore the utility model provides the steel-plastic composite belt for the optical cable.

Disclosure of Invention

In order to overcome at least one defect in the prior art, the utility model provides the steel-plastic composite belt for the optical cable, wherein the first waterproof layer and the second waterproof layer can effectively avoid the moisture regain and the moisture infiltration of the insulating layer, and the compression resistance and the stretching resistance of the inside of the composite belt are improved through the stretching resistant layer.

The utility model adopts the technical proposal for solving the problems that:

a steel-plastic composite tape for an optical cable comprising: an inner liner layer for encasing the fiber optic core; the insulation layer is used for separating the optical fiber cores, and the insulation layer is wrapped outside the inner lining layer; the first waterproof layer is used for waterproofing, and the first waterproof layer is wrapped on the outer side of the insulating layer; the stainless steel base band layer is wrapped on the outer side of the first waterproof layer; the outer side of the stainless steel base band layer is wrapped with the stretch-resistant layer; the outer side of the stretch-proof layer is wrapped with a second waterproof layer; the second waterproof layer is wrapped with a corrosion-resistant layer; wherein, the inside annular distribution of stretch-proofing layer has a plurality of stretch-proofing strip.

By adopting the scheme, the steel-plastic composite belt with good waterproof performance and good tensile resistance is designed.

Further, an aluminum belt layer and a copper belt layer are sequentially arranged between the stainless steel base belt layer and the first waterproof layer.

Further, the first waterproof layer and the second waterproof layer are made of polyimide films, polytetrafluoroethylene films or polyvinylidene fluoride films.

Through adopting above-mentioned scheme, can avoid optic fibre to advance water through first waterproof layer and second waterproof layer, adopt polyimide film, polytetrafluoroethylene or polyvinylidene fluoride membrane waterproof performance good, increase of service life.

Further, the stretch-proofing layer is made of carbon fiber materials, and the stretch-proofing strips are made of epoxy resin.

By adopting the scheme, the tensile resistance and the compression resistance of the anti-stretching layer are greatly improved through the anti-stretching layer and the anti-stretching strip.

Further, the insulating layer is made of rubber materials.

By adopting the scheme, the rubber has insulativity and thermal stability.

Further, the corrosion-resistant layer is made of chlorosulfonated polyethylene rubber layer or polyester material layer.

Further, the outside of the corrosion-resistant layer is uniformly provided with a plurality of wear-resistant protruding blocks, and the corrosion-resistant layer and the wear-resistant protruding blocks are of an integrated structure.

By adopting the scheme, the abrasion is avoided.

Further, the inner lining layer, the insulating layer, the first waterproof layer, the copper tape layer, the aluminum tape layer, the stainless steel base tape layer, the stretching-resistant layer, the second waterproof layer and the corrosion-resistant layer are adhered to each other in sequence.

By adopting the scheme, the fixing is firm.

Drawings

The utility model will be further described with reference to the drawings and examples.

Fig. 1 is a cross-sectional view of an embodiment of the present utility model.

Wherein the reference numerals have the following meanings: 1. an inner liner layer; 2. an insulating layer; 3. a first waterproof layer; 4. copper tape layers; 5. an aluminum belt layer; 6. stainless steel base tape layer; 7. a stretch resistant layer; 71. stretch resistant bars; 8. a second waterproof layer; 9. a corrosion resistant layer; 91. and the wear-resistant protruding blocks.

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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Embodiment 1 of the utility model is shown in fig. 1, and comprises an inner lining layer 1, an insulating layer 2, a first waterproof layer 3, a copper strip layer 4, an aluminum strip layer 5, a stainless steel base strip layer 6, a tensile layer 7, a second waterproof layer 8 and a corrosion resistant layer 9, wherein the insulating layer 2 is wrapped on the outer side of the inner lining layer 1; the outer side of the insulating layer 2 is wrapped with a first waterproof layer 3; the copper strip layer 4 is wrapped on the outer side of the first waterproof layer 3; an aluminum belt layer 5 is wrapped on the outer side of the copper belt layer 4; the stainless steel baseband layer 6 is wrapped on the outer side of the first waterproof layer 3; the outer side of the stainless steel base band layer 6 is wrapped with a stretch-resistant layer 7; the second waterproof layer 8 is wrapped outside the stretch-proof layer 7; the second waterproof layer 8 is wrapped with a corrosion-resistant layer 9. The steel-plastic composite belt with good waterproof performance and good tensile resistance is designed.

The first waterproof layer 3 and the second waterproof layer 8 are made of polyimide films, polytetrafluoroethylene or polyvinylidene fluoride films, the optical fibers can be prevented from entering water through the first waterproof layer 3 and the second waterproof layer 8, and the polyimide films, the polytetrafluoroethylene or the polyvinylidene fluoride films are good in waterproof performance and long in service life. The stretch resistant layer 7 has a plurality of stretch resistant strips 71 annularly disposed therein. The stretch-proof layer 7 is made of carbon fiber material, and the stretch-proof strip 71 is made of epoxy resin. The tensile and compressive resistance thereof is greatly improved by the stretch resistant layer 7 and the stretch resistant strip 71. The insulating layer 2 is made of rubber material. The rubber has insulation and thermal stability. The corrosion-resistant layer 9 is made of chlorosulfonated polyethylene rubber layer or polyester material layer.

The outside of the corrosion-resistant layer 9 is uniformly provided with a plurality of wear-resistant lugs 91, and the corrosion-resistant layer 9 and the wear-resistant lugs 91 are of an integrated structure. Avoiding abrasion.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. The utility model provides a compound area is moulded to steel for optical cable which characterized in that: comprising the following steps:

an inner liner layer (1), the inner liner layer (1) being for wrapping the optical fiber tube core;

an insulating layer (2) for separating the optical fiber cores, wherein the insulating layer (2) is wrapped outside the inner lining layer (1);

the first waterproof layer (3) is used for waterproofing, and the first waterproof layer (3) is wrapped on the outer side of the insulating layer (2);

the stainless steel base band layer (6) is wrapped on the outer side of the first waterproof layer (3);

the anti-stretching layer (7) is wrapped outside the stainless steel base belt layer (6);

the second waterproof layer (8) is wrapped outside the stretch-proof layer (7);

the second waterproof layer (8) is wrapped with the corrosion-resistant layer (9);

wherein, the inside annular distribution of stretch-proofing layer (7) has a plurality of stretch-proofing strip (71).

2. The steel-plastic composite tape for optical cables according to claim 1, wherein: an aluminum belt layer (5) and a copper belt layer (4) are sequentially arranged between the stainless steel base belt layer (6) and the first waterproof layer (3).

3. The steel-plastic composite tape for optical cables according to claim 1, wherein: the first waterproof layer (3) and the second waterproof layer (8) are made of polyimide films, polytetrafluoroethylene films or polyvinylidene fluoride films.

4. The steel-plastic composite tape for optical cables according to claim 1, wherein: the stretch-proofing layer (7) is made of carbon fiber materials, and the stretch-proofing strips (71) are made of epoxy resin.

5. The steel-plastic composite tape for optical cables according to claim 1, wherein: the insulating layer (2) is made of rubber materials.

6. The steel-plastic composite tape for optical cables according to claim 1, wherein: the corrosion-resistant layer (9) is made of chlorosulfonated polyethylene rubber layer or polyester material layer.

7. The steel-plastic composite tape for optical cables according to claim 1, wherein: the anti-corrosion coating (9) is characterized in that a plurality of wear-resistant protruding blocks (91) are uniformly arranged on the outer side of the anti-corrosion coating (9), and the anti-corrosion coating (9) and the wear-resistant protruding blocks (91) are of an integrated structure.

8. The steel-plastic composite tape for optical cables according to claim 1, wherein: the anti-stretching waterproof layer is characterized in that the inner lining layer (1), the insulating layer (2), the first waterproof layer (3), the copper tape layer (4), the aluminum tape layer (5), the stainless steel base tape layer (6), the anti-stretching layer (7), the second waterproof layer (8) and the corrosion-resistant layer (9) are adhered to each other in sequence.