CN216870881U - Layer-stranded optical cable - Google Patents

Abstract

The utility model relates to the technical field of optical cables and discloses a layer stranded optical cable which comprises a core wire, wherein a shaping layer is arranged outside the core wire, the shaping layer comprises a sheath layer, a filling layer, a supporting body and a supporting layer, the filling layer is fixedly connected inside the sheath layer, a plurality of through holes are formed inside the filling layer, the core wire is fixedly connected to the surfaces of the through holes, the number of the sheath layers is three, the supporting body is fixedly connected between the three sheath layers, the supporting layers are arranged on the surfaces of the supporting body and the sheath layer, the supporting body is made of polypropylene, and an outer protective layer is arranged outside the shaping layer. This layer stranded optical cable, through the effect that sets up the design layer, when the optical cable used, many heart yearns can not twine together, avoid when single heart yearn receives the damage, can not influence other heart yearns, and the supporter supports three restrictive coating with the supporting layer, makes the cable can not easy production deformation when using.

Description

Layer-stranded optical cable

Technical Field

The utility model relates to the technical field of optical cables, in particular to a layer stranded optical cable.

Background

The optical cable is manufactured for meeting the performance specification of optics, machinery or environment, and is a communication cable component which uses one or more optical fibers as transmission media and can be used singly or in groups in a cladding sheath, the optical cable mainly comprises optical fibers (thin glass fibers like hair), a plastic protective sleeve and a plastic outer sheath, metals such as gold, silver, copper and aluminum and the like are not contained in the optical cable, the recovery value is not generally available, the optical cable is a communication line which is formed by a certain number of optical fibers according to a certain mode to form a cable core, the outer sheath is wrapped outside, and the outer sheath is also wrapped outside, so that the optical signal transmission is realized, namely: the basic structure of the optical cable is generally composed of a cable core, a reinforcing steel wire, a filler, a sheath and the like, and components such as a waterproof layer, a buffer layer, an insulated metal wire and the like are also arranged according to requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a layer stranded optical cable, which solves the problems that the cable is easy to deform under external force, core wires are easy to wind together and are inconvenient to arrange.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a layer stranded optical cable, includes the heart yearn, the outside of heart yearn is provided with the design layer, the design layer includes restrictive coating, filling layer, supporter and supporting layer, the inside fixedly connected with filling layer of restrictive coating, a plurality of through-holes have been seted up to the inside of filling layer, heart yearn fixed connection is on the surface of through-hole, the restrictive coating is provided with threely, three fixedly connected with supporter between the restrictive coating, the supporter all is provided with the supporting layer with the surface of restrictive coating, the material of supporter is polypropylene.

Preferably, the outside on design layer is provided with the outer jacket, the outer jacket includes the insulating layer, the material of insulating layer is polytetrafluoroethylene for the cable has insulating nature.

Preferably, the outer jacket still includes the flame retardant coating, flame retardant coating fixed connection is on the surface of insulating layer, the material of flame retardant coating is silicon rubber for the cable has fire behavior, has avoided the electricity to catch fire, has increased the security performance.

Preferably, the outer jacket still includes the wearing layer, wearing layer fixed connection is on the surface of flame retardant coating, the material of wearing layer is nitrile rubber for the cable can not receive the damage because of receiving the external force to scratch when using.

Preferably, the supporting layer is fixedly connected with the wear-resistant layer, the supporting layer is made of polyethylene, and the supporting layer is made of polyethylene, so that the three sheath layers can be supported.

Preferably, the material of the sheath layer is ethylene propylene rubber, so that the sheath layer reinforces the filling layer.

Preferably, the material of the filling layer is butadiene rubber, so that the core wire can be fixed in the filling layer.

The utility model provides a layer stranded optical cable. This layer stranded optical cable possesses following beneficial effect:

(1) in the utility model: this layer stranded optical cable, through the effect that sets up the design layer, when the optical cable was used, many heart yearns can not twine together, avoid when single heart yearn receives the damage, can not influence other heart yearns, the supporter supports three restrictive coating with the supporting layer, makes the cable production deformation that can not be easy when using.

(2) In the utility model: this layer stranded optical cable through flame retardant coating, insulating layer and the wearing layer that sets up for the cable has fire behavior, has avoided the electricity to catch fire, has increased the security performance, has insulating nature, and can not receive the damage because of receiving external force to scratch.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a side cross-sectional structural view of the present invention.

In the figure: 1. a core wire; 2. a shaping layer; 3. a sheath layer; 4. a filling layer; 5. a support body; 6. a support layer; 7. an outer jacket; 8. an insulating layer; 9. a fire barrier layer; 10. and a wear-resistant layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1-3, the present invention provides a technical solution: a layer stranded optical cable comprises a core wire 1, a shaping layer 2 is arranged outside the core wire 1, the shaping layer 2 comprises sheath layers 3, filling layers 4, supporting bodies 5 and supporting layers 6, the filling layers 4 are fixedly connected inside the sheath layers 3, a plurality of through holes are formed inside the filling layers 4, the core wires 1 are fixedly connected to the surfaces of the through holes, the number of the sheath layers 3 is three, the supporting bodies 5 are fixedly connected among the three sheath layers 3, the supporting layers 6 are arranged on the surfaces of the supporting bodies 5 and the surfaces of the sheath layers 3, and the supporting bodies 5 are made of polypropylene;

the outer protection layer 7 is arranged outside the shaping layer 2, the outer protection layer 7 comprises an insulating layer 8, the insulating layer 8 is made of polytetrafluoroethylene, so that the cable has insulativity, the outer protection layer 7 further comprises a fireproof layer 9, the fireproof layer 9 is fixedly connected to the surface of the insulating layer 8, the fireproof layer 9 is made of silicon rubber, so that the cable has fireproof performance, electric fire is avoided, and safety performance is improved, the outer protection layer 7 further comprises a wear-resistant layer 10, the wear-resistant layer 10 is fixedly connected to the surface of the fireproof layer 9, the wear-resistant layer 10 is made of nitrile rubber, so that the cable cannot be damaged due to being scratched by external force when in use, the supporting layer 6 is fixedly connected with the wear-resistant layer 10, the supporting layer 6 is made of polyethylene, so that the three sheath layers 3 can be supported, the sheath layer 3 is made of ethylene propylene rubber, so that the sheath layer 3 reinforces the filling layer 4, the material of the filling layer 4 is butadiene rubber so that the core wire 1 can be fixed inside the filling layer 4.

When the layer stranded optical cable is used, a plurality of core wires 1 are arranged, the filling layer 4 is arranged outside the core wires 1 and is made of butadiene rubber, so that the core wires 1 can be fixed inside the filling layer 4, the sheath layer 3 is used for reinforcing the filling layer 4, when the optical cable is used, the core wires 1 cannot be wound together, the problem that other core wires 1 cannot be influenced when a single core wire 1 is damaged is avoided, three sheath layers 3 are arranged, the sheath layer 3 is made of ethylene propylene rubber, a supporting body 5 is fixed among the three sheath layers 3, the supporting body 5 is made of polypropylene, the positions of the three sheath layers 3 can be fixed and have stability, the supporting body 5 and the outer part of the sheath layer 3 are wrapped by a supporting layer 6, the supporting layer 6 is made of polyethylene, the three sheath layers 3 can be supported, and the cable cannot easily deform in use, the inside material that sets up flame retardant coating 9 of cable is silicon rubber for the cable has fire behavior, has avoided the electricity to catch fire, has increased the security performance, and the inside material that sets up insulating layer 8 of cable is polytetrafluoroethylene, makes the cable have insulating nature, and the inside material that sets up wearing layer 10 of cable is butadiene acrylonitrile rubber, makes the cable when using, can not receive the damage because of receiving the external force to scratch.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims (7)

1. A layer stranded optical cable comprising a core wire (1), characterized in that: the outside of heart yearn (1) is provided with design layer (2), design layer (2) are including restrictive coating (3), filling layer (4), supporter (5) and supporting layer (6), the inside fixedly connected with filling layer (4) of restrictive coating (3), a plurality of through-holes have been seted up to the inside of filling layer (4), heart yearn (1) fixed connection is on the surface of through-hole, restrictive coating (3) are provided with threely, three fixedly connected with supporter (5) between restrictive coating (3), supporter (5) all are provided with supporting layer (6) with the surface of restrictive coating (3), the material of supporter (5) is polypropylene.

2. A layer stranded optical cable according to claim 1, wherein: the outside of design layer (2) is provided with outer jacket (7), outer jacket (7) include insulating layer (8), the material of insulating layer (8) is polytetrafluoroethylene.

3. A layer stranded optical cable of claim 2, wherein: the outer jacket (7) further comprises a fireproof layer (9), the fireproof layer (9) is fixedly connected to the surface of the insulating layer (8), and the fireproof layer (9) is made of silicon rubber.

4. A layer stranded optical cable according to claim 2, wherein: the outer jacket (7) further comprises a wear-resistant layer (10), the wear-resistant layer (10) is fixedly connected to the surface of the fireproof layer (9), and the wear-resistant layer (10) is made of nitrile rubber.

5. A layer stranded optical cable according to claim 1, wherein: the supporting layer (6) is fixedly connected with the wear-resistant layer (10), and the supporting layer (6) is made of polyethylene.

6. A layer stranded optical cable of claim 1, wherein: the sheath layer (3) is made of ethylene propylene rubber.

7. A layer stranded optical cable of claim 1, wherein: the filling layer (4) is made of butadiene rubber.

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