CN213988341U

CN213988341U - Combined flat net wire

Info

Publication number: CN213988341U
Application number: CN202120222452.XU
Authority: CN
Inventors: 叶剑平
Original assignee: Dongguan Weibang Wire And Cable Co ltd
Current assignee: Dongguan Weibang Wire And Cable Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-08-17
Anticipated expiration: 2031-01-26

Abstract

The utility model relates to a net twine technical field specifically is a flat net twine of combination. The combined flat net wire comprises a plurality of net wire harnesses arranged side by side at intervals and an outer tegument layer wrapped outside the net wire harnesses; the network wire harness comprises a cable inner core and a middle layer wrapped outside the cable inner core; the cable inner core comprises four pairs of twisted wire sets arranged side by side, each pair of twisted wire sets is formed by twisting two insulated single wires, and each insulated single wire comprises a conductor and an insulating layer wrapped on the periphery of the conductor. Compared with the prior art, the utility model discloses in this combination flat net twine can be connected with many computers simultaneously, reduced the quantity of laying the net twine, improved work efficiency, and make and lay the net twine neater, avoid laying in disorder and in disorder, improved the aesthetic property of laying.

Description

Combined flat net wire

Technical Field

The utility model relates to a net twine technical field specifically is a flat net twine of combination.

Background

A Local Area Network (LAN) refers to a group of computers that are interconnected by a plurality of computers in a certain Area. Generally within several kilometers of a square circle. Local area networks may implement file management, application sharing, printer sharing, scheduling within workgroups, email and fax communication services, etc. And to connect with the local area network, a network cable is necessary, and the problem that the network cable is laid in a house should be considered when the local area network is connected.

The existing network cable can be connected with only one port generally and is used for the network cable connection of one computer, when a plurality of computers are used, a plurality of network cables need to be laid, the laying is easy to be messy, and the attractiveness is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a make up flat net twine, this net twine can be connected with many computers simultaneously, has reduced the quantity of laying the net twine, has improved work efficiency, and makes to lay the net twine neater, avoids laying in disorder and in disorder, has improved the aesthetic property of laying.

The utility model adopts the following technical scheme: a combined flat net wire comprises a plurality of net wire harnesses which are arranged side by side at intervals and an outer tegument layer which is wrapped outside the net wire harnesses;

the network wire harness comprises a cable inner core and a middle layer wrapping the cable inner core;

the cable inner core is composed of four pairs of twisted wire groups arranged side by side, each pair of twisted wire groups is formed by twisting two insulated single wires, and each insulated single wire comprises a conductor and an insulating layer wrapped on the periphery of the conductor.

Further, the four pairs of twisted wire groups are respectively a first twisted wire group, a second twisted wire group, a third twisted wire group and a fourth twisted wire group, and the first twisted wire group, the second twisted wire group, the third twisted wire group and the fourth twisted wire group are all inclined and arranged side by side.

Further, the pair-twisting pitch of the first pair of twisted wire groups is 14.1 +/-5 mm, the pair-twisting pitch of the second pair of twisted wire groups is 18.5 +/-5 mm, the pair-twisting pitch of the third pair of twisted wire groups is 15.0 +/-5 mm, and the pair-twisting pitch of the fourth pair of twisted wire groups is 16.6 +/-5 mm.

Furthermore, a single-sided aluminum foil tape layer is wrapped outside each pair of twisted wire groups.

Further, the conductor is a bare copper conductor.

Furthermore, the outer tegument layer and the middle tegument layer are both PVC layers.

Furthermore, the cross section of the mesh wire harness is in a flat and long strip shape.

Further, the number of the network cable harnesses is two.

Compared with the prior art, the utility model provides a pair of flat net twine of combination has following beneficial effect:

1) the utility model provides a flat net twine of combination forms same net twine with a plurality of net twine pencil parcels for this net twine can be connected with many computers simultaneously, has reduced the quantity of laying the net twine, has improved work efficiency, and makes to lay the net twine neatly more, avoids laying in disorder and in disorder, has improved the aesthetic property of laying. Meanwhile, the cable inner core is composed of four pairs of twisted wire sets arranged side by side, each pair of twisted wire set is formed by twisting two insulated single wires, the operating temperature can be reduced by using the pair of twisted wire sets, and compared with the single wires with the same sectional area, the pair of twisted wire sets have higher mechanical flexibility, so that the performance of the network cable is improved; the insulating layer is arranged, so that mutual interference of signals can be avoided, and the performance of the network cable is enhanced.

2) The network cable is specifically designed with a pair twist pitch value, a plurality of pairs of pair twist pitches are all unequal, the pair twist pitches are staggered, and crosstalk interference is avoided.

3) The coating with the single-sided aluminum foil tape can effectively prevent external electromagnetic interference from entering the cable and prevent internal signals from radiating out.

Drawings

For a clearer explanation of the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic cross-sectional structure view of a combined flat network cable according to the present invention;

wherein: the cable comprises a network wire harness 1, a cable inner core 10, a first twisted pair group 101, a conductor 101-1, an insulating layer 101-2, a second twisted pair group 102, a third twisted pair group 103, a fourth twisted pair group 104 and a middle layer 11; a tegument layer 2; a single-sided aluminum foil tape layer 3.

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 present application, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The present invention will be discussed in detail below with reference to fig. 1 and the following embodiments:

as shown in fig. 1, a combined flat network cable is commonly used for in-house network cable connection and for in-house network cable laying. The net wire comprises a plurality of net wire harnesses 1 arranged side by side at intervals and a tegument layer 2 wrapped outside the net wire harnesses 1. The outer tegument layer 2 in this embodiment is a PVC layer, which plays a role in isolation and protection and enhances the performance of the mesh wire. Specifically, the utility model discloses in, all do not specifically inject quantity, size and cross sectional shape etc. to net twine pencil 1, if: the cross section of the mesh wire harness 1 is in a flat and long shape, so that the mesh wire harnesses 1 can be arranged side by side conveniently; in the present embodiment, two mesh wire harnesses 1 are provided in the mesh wire.

The mesh wire harness 1 comprises a cable inner core 10 and a middle layer 11 wrapped outside the cable inner core 10; the middle layer 11 in this embodiment is also a PVC layer, which plays a role in isolation and protection, and enhances the performance of the mesh wire. The cable inner core 10 is composed of four pairs of twisted wire sets arranged side by side, each pair of twisted wire sets is formed by twisting two insulated single wires, each insulated single wire comprises a conductor 101-1 and an insulating layer 101-2 wrapped on the periphery of the conductor 101-1, and the insulating layers 101-2 are arranged to avoid mutual interference of signals and enhance the performance of network cables. Specifically, the conductor 101-1 of the present invention may be a tinned copper conductor, a bare copper conductor, or the like, but preferably, the conductor 101-1 is a bare copper conductor, and the bare copper is a pure copper conductor, that is, the copper surface is not subjected to any plating processing; the bare copper conductor is a common wire processed by a pure copper conductor, and has strong conductivity and strong signal transmission stability. The utility model discloses in this insulating layer 101-2 make by high density polyethylene material, the english abbreviation of high density polyethylene material is: HDPE; the insulating layer 101-2 has good heat resistance and cold resistance, and also has high rigidity and toughness, which is beneficial to improving the performance of the network cable.

The utility model provides a flat net twine of combination wraps up 1 parcel of a plurality of net twine pencil and forms same net twine for this net twine can be connected with many computers simultaneously, has reduced the quantity of laying the net twine, has improved work efficiency, and makes to lay the net twine neatly more, avoids laying in disorder and in disorder, has improved the aesthetic property of laying. Meanwhile, the cable inner core 10 is composed of four pairs of twisted wire sets arranged side by side, each pair of twisted wire sets is formed by twisting two insulated single wires, the operating temperature can be reduced by using the pair of twisted wire sets, and compared with the single wires with the same sectional area, the pair of twisted wire sets have higher mechanical flexibility, so that the performance of the network cable is improved; the insulating layer 101-2 is arranged to avoid mutual interference of signals and enhance the performance of the network cable.

Further, the four pairs of twisted wire groups are respectively a first twisted wire group 101, a second twisted wire group 102, a third twisted wire group 103 and a fourth twisted wire group 104, and the first twisted wire group 101, the second twisted wire group 102, the third twisted wire group 103 and the fourth twisted wire group 104 are all inclined and arranged side by side. In this embodiment, the first twisted pair group 101 has a twist pitch of 14.1 ± 5mm, the second twisted pair group 102 has a twist pitch of 18.5 ± 5mm, the third twisted pair group 103 has a twist pitch of 15.0 ± 5mm, and the fourth twisted pair group 104 has a twist pitch of 16.6 ± 5 mm. The network cable is specifically designed with a pair twist pitch value, a plurality of pairs of pair twist pitches are all unequal, the pair twist pitches are staggered, and crosstalk interference is avoided.

Furthermore, a single-sided aluminum foil tape layer 3 is wrapped outside each pair of twisted wire groups, and the wrapping of the single-sided aluminum foil tape layer 3 can effectively prevent external electromagnetic interference from entering a cable and can also prevent internal signals from radiating.

The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.

Claims

1. A combined flat net wire is characterized in that: the net wire comprises a plurality of net wire harnesses which are arranged side by side at intervals and an outer tegument layer which is wrapped outside the net wire harnesses;

2. The combined flat netting wire of claim 1, characterized in that:

the four pairs of twisted wire groups are respectively a first twisted wire group, a second twisted wire group, a third twisted wire group and a fourth twisted wire group, and the first twisted wire group, the second twisted wire group, the third twisted wire group and the fourth twisted wire group are all inclined and arranged side by side.

3. The combined flat mesh wire according to claim 2, wherein:

the pair-twisting pitch of the first pair of twisted wire groups is 14.1 +/-5 mm, the pair-twisting pitch of the second pair of twisted wire groups is 18.5 +/-5 mm, the pair-twisting pitch of the third pair of twisted wire groups is 15.0 +/-5 mm, and the pair-twisting pitch of the fourth pair of twisted wire groups is 16.6 +/-5 mm.

4. The combined flat netting wire of claim 1, characterized in that:

and a single-sided aluminum foil tape layer is wrapped outside each pair of twisted wire groups.

5. The combined flat netting wire of claim 1, characterized in that:

the conductor is a bare copper conductor.

6. The combined flat netting wire of claim 1, characterized in that:

and the outer tegument layer and the middle tegument layer are both PVC layers.

7. The combined flat netting wire of claim 1, characterized in that:

the cross section of the mesh wire harness is in a flat and long strip shape.

8. The combined flat netting wire of claim 1, characterized in that:

the number of the network cable harnesses is two.