CN211479750U

CN211479750U - Bending-torsion-resistant communication cable

Info

Publication number: CN211479750U
Application number: CN201922372082.3U
Authority: CN
Inventors: 易树华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-09-11
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a communication cable of bending resistance and torsion, including the anti inner core of buckling, the inner wall of first sheath is closely laminated, a plurality of with the outer wall of the anti inner core of buckling the second sheath closely arranges and evenly distributed is at the outer wall of first sliding sleeve, and is a plurality of the outer wall of second sheath all closely laminates with the inner wall of third sheath. Thereby realizing the purpose of bending and twisting resistance of the communication cable. This anti-bending and twisting communication cable, through the anti-bending inner core, first sheath, the communication cable core, the gel filler blocks water, the second sheath, the cooperation of filler and third sheath between the cable, realize the high strength bending resistance type of whole mechanism, very big improvement whole mechanism's intensity, effect through corrosion-resistant layer, whole mechanism's life has been increased, make whole mechanism can be in the life of position such as under water, effect through the fourth sheath, very big improvement whole mechanism's security level, make whole mechanism's life further improve.

Description

Bending-torsion-resistant communication cable

Technical Field

The utility model relates to a communication cable technical field specifically is a communication cable of bending resistance turns round.

Background

A communications cable is a cable that transmits telephone, telegraph, facsimile documents, television and radio programs, data and other electrical signals. Is formed by twisting more than one pair of mutually insulated wires. Compared with an overhead open wire, the communication cable has the advantages of large communication capacity, high transmission stability, good confidentiality, less influence of natural conditions and external interference and the like. For example, patent No. CN201520278965.7 includes a cable body including a conductor, an insulating layer, and an outer sheath, and a protective sheath is extruded around the metal protective layer. Although having the characteristic of anti-twisting, the anti-twisting effect is provided by the polypropylene tearing material, so that the anti-twisting effect is general, and the anti-twisting performance is still to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a communication cable of bending resistance is turned round to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the anti-bending and anti-twisting communication cable comprises an anti-bending inner core, wherein a first sheath is sleeved on the outer wall of the anti-bending inner core, the inner wall of the first sheath is tightly attached to the outer wall of the anti-bending inner core, a plurality of communication cable conveying cables are uniformly attached to the outer wall of the first sheath, and the plurality of communication cable conveying cables are tightly attached to the outer wall of the first sheath;

the plurality of communication cable transmission cables comprise a communication cable core, a water-blocking gel filler and a second sheath;

the communication cable core bodies are uniformly distributed in the second sheath, the communication cable core bodies are arranged in the second sheath in an inverted trapezoidal mode, water-blocking gel fillers are filled between the second sheath and the communication cable core bodies, the second sheath bodies are closely arranged and uniformly distributed on the outer wall of the first sheath body, and the outer wall of the second sheath body is closely attached to the inner wall of the third sheath body. Thereby realizing the purpose of bending and twisting resistance of the communication cable.

Preferably, the included angle between two sides of the communication cable transmission cable is 22.5 degrees. Thereby avoid communication cable to carry the cable to have great gap, avoid rubbing too big ageing aggravation that leads to between the communication cable carries the cable.

Preferably, the second sheath, the communication cable transmission cable and the third sheath are filled with an inter-cable filler. Thereby reducing friction and reducing the rate of aging.

Preferably, the outer wall of the third sheath is sleeved with a bending-resistant layer, and an irregular gap is formed between the inner wall of the bending-resistant layer and the outer wall of the third sheath. Thereby further increasing the resistance to bending and twisting of the overall mechanism.

Preferably, the outer wall of the bending-resistant layer is sleeved with a corrosion-resistant layer, and an irregular gap is formed between the inner wall of the corrosion-resistant layer and the outer wall of the bending-resistant layer. Thereby providing a space for deformation in the buckling-resistant layer to reduce rigidity and enhance buckling resistance.

Preferably, the outer wall of the corrosion-resistant layer is sleeved with the inner wall of the fourth sheath, and the corrosion-resistant layer is connected with the fourth sheath through gluing. Increasing the corrosion resistance of the whole mechanism.

Preferably, the corrosion-resistant layer is the same thickness as the fourth sheath.

Preferably, the thickness of the first sheath is the same as that of the third sheath, and the thickness of the first sheath is 2 times that of the third sheath. The production cost is reduced while the strength of the whole mechanism is ensured.

Compared with the prior art, the beneficial effects of the utility model are that:

this communication cable of bending resistance turns round, through the cooperation of filler and third sheath between anti inner core, first sheath, communication cable core, the gel filler that blocks water, second sheath, cable, realizes the high strength bending resistance of whole mechanism and turns round the type, very big improvement whole mechanism's intensity.

Through the effect of bending-resistant folded layer, further bending resistance of increasing whole mechanism through the effect on corrosion-resistant layer, has increased whole mechanism's life, makes whole mechanism can be in the life of position such as under water, through the effect of fourth sheath, very big improvement whole mechanism's security level, make whole mechanism's life further improve.

Drawings

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

FIG. 2 is a schematic view of the radial cut-away structure of FIG. 1;

FIG. 3 is an enlarged schematic view of the telecommunication cable delivery cable of FIG. 2;

FIG. 4 is a schematic view of the water-blocking gel filler and first jacket structure of FIG. 1.

In the figure: 1. the cable comprises an anti-bending inner core, 2, a first sheath, 3, a communication cable conveying cable, 301, a communication cable core, 302, a water-blocking gel filler, 303, a second sheath, 4, a cable space filler, 5, a third sheath, 6, an anti-bending layer, 7, a corrosion-resistant layer, 8 and a fourth sheath.

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. 1-4, the present invention provides a technical solution: a bending-torsion-resistant communication cable comprises a bending-resistant inner core 1, wherein a first sheath 2 is sleeved on the outer wall of the bending-resistant inner core 1, the inner wall of the first sheath 2 is tightly attached to the outer wall of the bending-resistant inner core 1, a plurality of communication cable conveying cables 3 are uniformly attached to the outer wall of the first sheath 2, and the plurality of communication cable conveying cables 3 are tightly attached to each other; the plurality of communication cable transmission cables 3 comprise a communication cable core 301, a water-blocking gel filler 302 and a second sheath 303; a plurality of communication cable cores 301 are evenly distributed in a second sheath 303, a plurality of communication cable cores 301 are arranged in an inverted trapezoid in the second sheath 303, water-blocking gel filler 302 is filled between the second sheath 303 and the plurality of communication cable cores 301, the plurality of second sheaths 303 are closely arranged and evenly distributed on the outer wall of the first sheath 2, and the outer walls of the plurality of second sheaths 303 are closely attached to the inner wall of the third sheath 5. The included angle between the two sides of the communication cable transmission cable 3 is 22.5 degrees.

Anti inner core 1 of buckling is torn the material by the polypropylene and is constituted, compares in the comparison file, though tear the material as anti material of buckling with the adoption polypropylene, nevertheless the utility model discloses the anti inner core 1 of buckling that the material was made is torn to the polypropylene is the fossil fragments to by the constraint of first sheath 2, very big improvement the bending resistance of whole mechanism, first sheath 2, second sheath 303 and third sheath 5 are high density polyethylene material and make, and filler 4 is the carbon black between the cable.

The second sheath 303, the communication cable transmission cable 3 and the third sheath 5 are filled with an inter-cable filler 4. The outer wall of the third sheath 5 is sleeved with the bending-resistant fold layer 6, and an irregular gap is formed between the inner wall of the bending-resistant fold layer 6 and the outer wall of the third sheath 5. The outer wall of the bending-resistant layer 6 is sleeved with a corrosion-resistant layer 7, and an irregular gap is formed between the inner wall of the corrosion-resistant layer 7 and the outer wall of the bending-resistant layer 6. The outer wall of the corrosion-resistant layer 7 is sleeved with the inner wall of the fourth sheath 8, and the corrosion-resistant layer 7 is connected with the fourth sheath 8 through gluing. The corrosion-resistant layer 7 is the same thickness as the fourth sheath 8. The thickness of the first jacket 2 and the third jacket 5 are the same, and the thickness of the first jacket 2 and the third jacket 5 is 2 times that of the second jacket 303. The corrosion resistant layer 7 is made of teflon, the bending resistant layer 6 is made of polypropylene tearing material, and the fourth sheath 8 is made of various materials that can be used for cable manufacturing, such as medium density polyethylene, polyvinyl chloride (PVC), polyvinylidene fluoride (PVDF), nylon, polyester, or polycarbonate, and copolymers thereof.

When whole mechanism received the turn round, anti inner core 1 of buckling and the simultaneous working of bending resistant folded layer 6 for whole mechanism can not take place great turn round phenomenon, thereby has avoided the turn round of communication cable conveying cable 3, very big protection communication cable core 301, and then has increased whole mechanism's life, has improved whole mechanism's use strength.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

1. A kink-resistant communications cable, comprising: the anti-bending cable comprises an anti-bending inner core (1), wherein a first sheath (2) is sleeved on the outer wall of the anti-bending inner core (1), the inner wall of the first sheath (2) is tightly attached to the outer wall of the anti-bending inner core (1), a plurality of communication cable conveying cables (3) are uniformly attached to the outer wall of the first sheath (2), and the plurality of communication cable conveying cables (3) are tightly attached to each other;

the plurality of communication cable transmission cables (3) comprises a communication cable core (301), a water-blocking gel filler (302) and a second sheath (303);

the communication cable core bodies (301) are uniformly distributed in the second sheath (303), the communication cable core bodies (301) are arranged in the second sheath (303) in an inverted trapezoidal mode, water-blocking gel fillers (302) are filled between the second sheath (303) and the communication cable core bodies (301), the second sheath bodies (303) are closely arranged and uniformly distributed on the outer wall of the first sheath (2), and the outer wall of the second sheath body (303) is closely attached to the inner wall of the third sheath (5).

2. A kink-resistant communication cable according to claim 1, characterized in that: the included angle of the two sides of the communication cable conveying cable (3) is 22.5 degrees.

3. A kink-resistant communication cable according to claim 1, characterized in that: and an inter-cable filler (4) is filled among the second sheath (303), the communication cable conveying cable (3) and the third sheath (5).

4. A kink-resistant communication cable according to claim 1, characterized in that: the outer wall of the third sheath (5) is sleeved with a bending-resistant fold layer (6), and an irregular gap exists between the inner wall of the bending-resistant fold layer (6) and the outer wall of the third sheath (5).

5. The kink-resistant communication cable according to claim 4, characterized in that: the outer wall of the bending-resistant layer (6) is sleeved with a corrosion-resistant layer (7), and an irregular gap exists between the inner wall of the corrosion-resistant layer (7) and the outer wall of the bending-resistant layer (6).

6. A kink-resistant communication cable according to claim 5, characterized in that: the outer wall of the corrosion-resistant layer (7) is sleeved with the inner wall of the fourth sheath (8), and the corrosion-resistant layer (7) is connected with the fourth sheath (8) in a gluing mode.

7. A kink-resistant communication cable according to claim 6, characterized in that: the corrosion-resistant layer (7) and the fourth sheath (8) have the same thickness.

8. A kink-resistant communication cable according to claim 1, characterized in that: the thicknesses of the first sheath (2) and the third sheath (5) are the same, and the thicknesses of the first sheath (2) and the third sheath (5) are 2 times of the thickness of the second sheath (303).