CN212485022U - Composite cable - Google Patents

Abstract

The utility model discloses a composite cable, which comprises fluororubber, wherein flame-retardant rubber is arranged at the inner side of the fluororubber, an inner skin is arranged at the inner side of the flame-retardant rubber, a plurality of rubber columns are filled between the flame-retardant rubber and the inner skin, the rubber columns are in cylindrical structures and annularly distributed between the flame-retardant rubber and the inner skin, and a plurality of grooves are formed in each rubber column; the utility model has the advantages of reasonable design, compact structure, fluororubber and flame retardant rubber inter combination are adopted on the surface, the life of the whole cable of corrosion resistance extension that utilizes the fluororubber, and flame retardant rubber's fire resistance has then improved the security of cable, let the cable can continue to use at flame high temperature, and it has a plurality of rubber columns to fill between skin and flame retardant rubber, all be provided with the spring in every rubber column, when the cable received the extrusion, the rubber column among this composite cable supports, the elasticity that utilizes the spring supports and moulding for the rubber column, thereby increase whole composite cable's crushing resistance.

Description

Composite cable

Technical Field

The utility model belongs to the technical field of the cable, specifically be a composite cable.

Background

The composite cable is a new type of access mode, it integrates optical fiber and transmission copper wire into one body, and can solve the problems of broadband access, equipment power consumption and signal transmission, its structure is generally formed from two portions of cable core and protective layer with layer-twisted structure, in which the protective layer includes protective cover and external protective layer, and the latter can be had or not according to the requirements. The existing composite cable is single in structure and poor in protectiveness, when pressure is applied, the internal structures can be extruded mutually, if the cable is not replaced in time, the situation that the cable is damaged can occur, and certain potential safety hazards are achieved.

To solve the problems in the related art, no effective solution has been proposed, and for this purpose, a composite cable is proposed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a composite cable has advantages such as anti extrudability is strong, corrosion resistance is strong, has solved current cable corrosion resistance poor, fragile scheduling problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a composite cable, includes fluororubber, the fluororubber inboard is provided with flame retardant rubber, the flame retardant rubber inboard is provided with the endothelium, flame retardant rubber with it has a plurality of rubber posts to fill between the endothelium, the rubber post is cylindric structure and circularizes and distributes between flame retardant rubber and endothelium, every a plurality of recesses have all been seted up in the rubber post, all are fixed with the spring in every recess, the endothelium inboard is provided with the copper mesh, be provided with two power cords, two packing ropes, cable optic fibre and metal reinforcement in the copper mesh, the metal reinforcement is located the centre, and two power cords, two packing ropes, cable optic fibre encircle to be set up in the metal reinforcement outside.

In a further improvement, the rubber column extends from one end of the cable to the other end.

In a further improvement, each spring faces the center of the cable.

In a further improvement, the copper net is filled with flame-retardant filler.

In a further improvement, the outer side of the cable optical fiber is wrapped with a flame-retardant outer sheath.

(III) advantageous effects

Compared with the prior art, the utility model provides a composite cable possesses following beneficial effect:

1. this kind of composite cable, compact structure, fluororubber and flame retardant rubber inter combination are adopted on the surface, the life of the whole cable of corrosion resistance extension that utilizes fluororubber, and flame retardant rubber's fire resistance has then improved the security of cable, let the cable can continue to use at flame high temperature, and it has a plurality of rubber columns to fill between skin and flame retardant rubber, all be provided with the spring in every rubber column, when the cable received the extrusion, the rubber column among this composite cable supports, the elasticity that utilizes the spring supports and moulds for the rubber column, thereby increase whole composite cable's crushing resistance.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

fig. 2 is the schematic diagram of the rubber column structure of the present invention.

In the figure: 1. a fluororubber; 2. a flame retardant rubber; 3. a rubber column; 4. a spring; 5. endothelium; 6. a copper mesh; 7. a power line; 8. filling a rope; 9. a cable optical fiber; 10. a metal reinforcement; 11. a flame retardant filler.

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. 1-2, the present invention provides a technical solution: the utility model provides a composite cable, includes fluororubber 1, 1 inboard of fluororubber is provided with flame retardant rubber 2, 2 inboard of flame retardant rubber are provided with endothelium 5, flame retardant rubber 2 with it has a plurality of rubber posts 3 to fill between endothelium 5, rubber post 3 is cylindric structure and annular distribution between flame retardant rubber 2 and endothelium 5, every a plurality of recesses have all been seted up in the rubber post 3, all are fixed with spring 4 in every recess, 5 inboard of endothelium are provided with copper mesh 6, be provided with two power cords 7, two packing ropes 8, cable optic fibre 9 and metal reinforcement 10 in the copper mesh 6, metal reinforcement 10 is located the centre, and two power cords 7, two packing ropes 8, cable optic fibre 9 encircle to set up in the metal reinforcement 10 outsides.

As shown in fig. 1, the rubber column 3 extends from one end of the cable to the other, allowing the entire rubber column 3 to surround the surface, regardless of which side of the composite cable is under pressure, the rubber columns 3 can play a role of auxiliary support, each spring 4 faces to the center of the cable, when the rubber column 3 is extruded, the spring 4 can also play a role of assisting resilience besides the elasticity of the rubber material of the rubber column 3, thereby reducing the pressure from the outside, the copper mesh 6 is filled with the flame-retardant filler 11, the flame-retardant filler 11 is flame-retardant polypropylene, the flame retardance of the whole composite cable is improved by utilizing the flame-retardant filler, meanwhile, the flame-retardant filler completely wraps the cable in the inner skin to provide protection, the flame-retardant outer sheath wraps the outer side of the cable optical fiber 9, secondary protection is provided for the cable optical fiber through the flame-retardant outer sheath, and the fire resistance of the cable is improved.

The working principle is as follows: the composite cable is protected by the fluororubber 1 and the flame-retardant rubber 2, the fluororubber 1 is high in corrosion resistance and soft in texture, and is suitable for humid and corrosive environments, and the service life of the composite cable is greatly prolonged. When compound cable receives the extrusion, inside rubber column 3 can play auxiliary stay's effect, because rubber column 3 is cylindric structure, its cross-section becomes circular structure, for ordinary filling structure, circular structure has certain radian, consequently, its elasticity is bigger than ordinary filling structure, and be provided with spring 4 in rubber column 3, rubber column 3 still utilizes spring 4 to carry out the secondary support except the elasticity of rubber column 3 self when receiving the extrusion, the pressure that will apply reduces step by step, provide the buffering for inner structure, thereby improve compound cable's crushing resistance.

To sum up, the utility model discloses rational in infrastructure, compact structure, the surface adopts fluororubber 1 and 2 intercombinations of flame retardant rubber, utilize the corrosion resistance of fluororubber 1 to prolong the life of whole cable, and flame retardant rubber 2's fire resistance has then improved the security of cable, let the cable continue to use at flame high temperature, and it has a plurality of rubber posts 3 to fill between endotheca 5 and flame retardant rubber 2, all be provided with spring 4 in every rubber post 3, when the cable receives the extrusion, rubber post 3 among this composite cable supports, utilize spring 4's elasticity to support and moulding for rubber post 3, thereby increase whole composite cable's crushing resistance.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

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

Claims (5)

1. A composite cable comprising a fluororubber (1), characterized in that: the inner side of the fluororubber (1) is provided with a flame retardant rubber (2), the inner side of the flame retardant rubber (2) is provided with an inner skin (5), a plurality of rubber columns (3) are filled between the flame-retardant rubber (2) and the inner skin (5), the rubber columns (3) are of cylindrical structures and annularly distributed between the flame-retardant rubber (2) and the inner skin (5), a plurality of grooves are formed in each rubber column (3), a spring (4) is fixed in each groove, the inner side of the inner skin (5) is provided with a copper mesh (6), the copper mesh (6) is internally provided with two power lines (7), two filling ropes (8), a cable optical fiber (9) and a metal reinforcing piece (10), the metal reinforcing part (10) is located in the middle, and the two power lines (7), the two filling ropes (8) and the cable optical fiber (9) are arranged on the outer side of the metal reinforcing part (10) in a surrounding mode.

2. A composite cable according to claim 1, wherein: the rubber column (3) extends from one end of the cable to the other end.

3. A composite cable according to claim 1, wherein: each spring (4) faces the center of the cable.

4. A composite cable according to claim 1, wherein: and the copper mesh (6) is filled with flame-retardant filler (11).

5. A composite cable according to claim 1, wherein: and the outer side of the cable optical fiber (9) is wrapped with a flame-retardant outer sheath.

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