CN211016628U

CN211016628U - High-strength six-type unshielded twisted pair

Info

Publication number: CN211016628U
Application number: CN201922280934.6U
Authority: CN
Inventors: 方宏林
Original assignee: Jiangsu Jinqiao Cable Co ltd
Current assignee: Jiangsu Jinqiao Cable Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-07-14
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a six types of non-shielding paired lines of high strength, including the oversheath, the inside fixed mounting of oversheath has cross skeleton, be formed with between cross skeleton and the oversheath and hold the chamber, the inside that holds the chamber is provided with the group and tears the rope, the inside packing that holds the chamber has filling material, the group includes two sinle silks that the transposition formed, the sinle silk comprises wire and the insulating layer of cladding at the wire surface, the outside cladding of sinle silk has the inner sheath, the inside packing of inner sheath has fire-retardant material, the surface cladding and the tensile layer of oversheath, the equidistant stretch-proofing rope that is provided with that encircles in the inside of tensile layer, the surface cladding of tensile layer has the PVC restrictive coating. The utility model discloses a cross skeleton has improved the structural strength of paired line, has filled filler material through filling between sheath and the oversheath including, relies on three's cooperation, has improved the inside bearing capacity of paired line and anti external force extrusion ability.

Description

High-strength six-type unshielded twisted pair

Technical Field

The utility model relates to a communication cable technical field specifically is a six types of unshielded twisted pair lines of high strength.

Background

The twisted pair is the most common transmission medium in the comprehensive wiring engineering, and is composed of two copper conductors with insulation protective layers, the twisted pair is generally divided into a shielded twisted pair and an unshielded twisted pair, the unshielded twisted pair is convenient to install due to low manufacturing cost, and is applied to a machine room by the method, and the twisted pair can be divided into three types, five types, ultra-five types, six types and seven types according to different electrical appliance performances, wherein the six types of unshielded twisted pair can very well support gigabit Ethernet and realize the transmission distance of 100 m. Therefore, the six types of wiring systems are widely applied to the wiring of the sub-server machine room and the horizontal wiring which maintains the capability of upgrading to the gigabit ethernet, and because it is often difficult to replace the wiring with a new one after installing the cable, basically, one wiring system is applied for at least 10 years as a standard, so that certain requirements are placed on the performance of the six types of unshielded twisted pairs, but the inner sheaths of the existing six types of unshielded twisted pairs are easy to be damaged during the use process due to low structural strength and poor tensile property, so that the signal transmission of the whole transmission line is affected, and the inner sheaths are also easy to be damaged due to the breakage of the inner lines caused by the pulling of the outside, so that the normal use of the six types of unshielded twisted pairs is affected.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a six types of unshielded twisted pair of high strength has solved the problem that six types of unshielded twisted pair structural strength are low, the pull resistance is poor now.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a six types of non-shielding paired lines of high strength, includes the oversheath, the inside fixed mounting of oversheath has cross skeleton, be formed with between cross skeleton and the oversheath and hold the chamber, the inside that holds the chamber is provided with the group and tears the rope, the inside packing that holds the chamber has filling material, the group includes the sinle silk that two transposition formed, the sinle silk comprises wire and the insulating layer of cladding at the wire surface, the outside cladding of sinle silk has the inner sheath, the inside packing of inner sheath has fire-retardant material, the surface cladding and the tensile layer of oversheath, the equidistant stretch-proofing rope that is provided with that encircles in the inside of tensile layer, the surface cladding of tensile layer has the PVC restrictive coating.

Further optimizing the technical scheme, the filling material is rubber particles, and the flame-retardant material is silicon nitride particles.

Further optimizing the technical scheme, the insulating layer is a polybutylene terephthalate insulating layer.

Further optimizing the technical scheme, the inner sheath and the outer sheath are both made of thermoplastic polyurethane elastomer rubber.

Further optimize this technical scheme, the tensile layer comprises the nylon material.

Further optimizing the technical scheme, the tensile rope is a fiber rope coated by steel wires.

(III) advantageous effects

Compared with the prior art, the utility model provides a six types of non-shielding paired lines of high strength possesses following beneficial effect:

1. this six types of unshielded twisted pairs of high strength have improved the structural strength of twisted pair through cross skeleton, through having filled filler material between inner sheath and oversheath, rely on the cooperation of three, have improved the inside bearing capacity of twisted pair and anti external force extrusion ability.

2. According to the six types of high-strength unshielded twisted pair, the tensile capacity of the twisted pair is improved by utilizing the tearing rope, and the tensile capacity of the twisted pair is further improved by matching the tensile layer with the tensile rope, so that the phenomenon that an internal circuit is broken due to external pulling is avoided, and the service life of the twisted pair is prolonged.

Drawings

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

fig. 2 is a side view of the structure of the present invention.

In the figure: 1. an outer sheath; 2. a cross-shaped framework; 3. an accommodating chamber; 4. a wire set; 41. a wire core; 411. a wire; 412. an insulating layer; 42. an inner sheath; 43. a flame retardant material; 5. tearing the rope; 6. a filler material; 7. a tensile layer; 8. a tensile strand; 9. a PVC sheath layer.

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: a high-strength six-type unshielded twisted pair comprises an outer sheath 1, wherein a cross-shaped framework 2 is fixedly installed inside the outer sheath 1, a containing cavity 3 is formed between the cross-shaped framework 2 and the outer sheath 1, a wire group 4 and a tearing rope 5 are arranged inside the containing cavity 3, a filling material 6 is filled inside the containing cavity 3, the wire group 4 comprises two twisted wire cores 41, each wire core 41 consists of a wire 411 and an insulating layer 412 coated on the outer surface of the wire 411, an inner sheath 42 is coated outside each wire core 41, the structural strength of the twisted pair is improved through the cross-shaped framework 2, the filling material 6 is filled between the inner sheath 42 and the outer sheath 1, the bearing capacity and the external force extrusion resistance capacity of the interior of the twisted pair are improved through the cooperation of the three, a flame retardant material 43 is filled inside the inner sheath 42, a tensile layer 7 is coated on the outer surface of the outer sheath 1, and the tensile layer 7, the surface cladding of tensile layer 7 has PVC restrictive coating 9, utilizes to tear rope 5 and has improved the tensile ability of paired line, is in the cooperation through tensile layer 7 and tensile rope 8, has further improved the tensile ability of paired line to avoid the outside to pull and cause the inner line rupture, improved the life of paired line.

Specifically, the filling material 6 is rubber particles, the filling material 6 made of the rubber particles is filled between the inner sheath 42 and the outer sheath 1, so that the bearing capacity of a gap between the inner sheath 42 and the outer sheath 1 can be enhanced, the wire set 4 can be coated and buffered, and the flame retardant material 43 is silicon nitride particles and has high temperature resistance.

Specifically, the insulating layer 412 is a polybutylene terephthalate insulating layer and has good insulating properties.

Specifically, the inner sheath 42 and the outer sheath 1 are both made of thermoplastic polyurethane elastomer rubber, and the pressure resistance is strong.

Specifically, the tensile layer 7 is made of nylon material, and is resistant to pulling and high in toughness.

Specifically, the tensile rope 8 is a fiber rope coated with steel wires, and has strong tensile capacity.

In summary, the six types of high-strength unshielded twisted pairs have the advantages that the structural strength of the twisted pair is improved through the cross-shaped framework 2, the filling material 6 is filled between the inner sheath 42 and the outer sheath 1, the bearing capacity and the external force extrusion resistance of the interior of the twisted pair are improved through the cooperation of the inner sheath, the outer sheath and the outer sheath, the tensile resistance of the twisted pair is improved through the tearing rope 5, the tensile resistance of the twisted pair is further improved through the cooperation of the tensile layer 7 and the tensile rope 8, the inner line is prevented from being broken due to external pulling, and the service life of the twisted pair is prolonged.

It should be noted that, in this document, terms such as "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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 high strength six-category unshielded twisted pair comprising an outer jacket (1), characterized in that: a cross-shaped framework (2) is fixedly arranged in the outer sheath (1), a containing cavity (3) is formed between the cross-shaped framework (2) and the outer sheath (1), a line group (4) and a tearing rope (5) are arranged in the accommodating cavity (3), the containing cavity (3) is filled with filling materials (6), the wire group (4) comprises two twisted wire cores (41), the wire core (41) consists of a conducting wire (411) and an insulating layer (412) coated on the outer surface of the conducting wire (411), the outside of the wire core (41) is coated with an inner sheath (42), the inner part of the inner sheath (42) is filled with flame retardant material (43), the outer surface of the outer sheath (1) is coated with a tensile layer (7), tensile ropes (8) are arranged inside the tensile layer (7) in an equidistant surrounding manner, the outer surface of the tensile layer (7) is coated with a PVC sheath layer (9).

2. The high strength six-type unshielded twisted pair cable as claimed in claim 1, wherein: the filling material (6) is rubber particles, and the flame-retardant material (43) is silicon nitride particles.

3. The high strength six-type unshielded twisted pair cable as claimed in claim 1, wherein: the insulating layer (412) is a polybutylene terephthalate insulating layer.

4. The high strength six-type unshielded twisted pair cable as claimed in claim 1, wherein: the inner sheath (42) and the outer sheath (1) are both made of thermoplastic polyurethane elastomer rubber.

5. The high strength six-type unshielded twisted pair cable as claimed in claim 1, wherein: the tensile layer (7) is made of nylon.

6. The high strength six-type unshielded twisted pair cable as claimed in claim 1, wherein: the tensile rope (8) is a fiber rope coated by steel wires.