CN212136009U

CN212136009U - Network cable capable of improving bending resistance

Info

Publication number: CN212136009U
Application number: CN202020964526.2U
Authority: CN
Inventors: 谢永良; 吉林峰; 莫国良
Original assignee: Changzhou Yongbo Electronic Co ltd
Current assignee: Changzhou Yongbo Electronic Co ltd
Priority date: 2020-05-31
Filing date: 2020-05-31
Publication date: 2020-12-11
Anticipated expiration: 2030-05-31

Abstract

The utility model discloses an improve network cable of anti ability of buckling relates to communication cable technical field, and the anti ability of buckling that aims at solving network cable is relatively poor, and the cable is buckled for a long time or is buckled for a lot of and lead to inside cable fracture easily after, influences the technical problem of the transmission of data, and its technical scheme main points are including wire and epidermal layer, be provided with the stay tube around the wire, the inside cavity of placing of having seted up radial cross section for triangle-shaped of stay tube, it is used for placing the wire to place the cavity, it has the rubber protective layer to place inside being located the wire of cavity and packing around the wire. The effect of better bending resistance is achieved.

Description

Network cable capable of improving bending resistance

Technical Field

The utility model belongs to the technical field of the technique of communication cable and specifically relates to a network cable who improves anti ability of buckling is related to.

Background

A network cable is a medium for transmitting information from one network device (e.g., a computer) to another network device, and is a basic component of a network. In the lan commonly used by us, there are many types of network cables, and in general, a typical lan does not generally use many different types of network cables to connect network devices. Different types of network lines are used in large networks or wide area networks in order to connect different types of networks together. Of the many kinds of network lines, which one is specifically used is selected according to the topology of the network, the network structure standard and the transmission speed.

The prior chinese patent with the publication number of CN202003765U discloses a network cable, which includes a control signal line, a plurality of differential pairs, a metal braid and an outer sheath, wherein each differential pair includes two differential signal lines, a ground bare line and a metal shielding tape, the metal shielding tape covers the two differential signal lines and the ground bare line therein, an aluminum foil layer covers the differential pairs and the control signal line therein, the metal braid covers the aluminum foil layer, the outer sheath covers the metal braid layer, the control signal line is formed by twisting the signal lines, the differential pairs are symmetrically arranged at the periphery of the control signal line, and a semiconductor insulating layer is provided between the metal braid layer and the outer sheath. The utility model discloses it is little to be disturbed.

The above prior art solutions have the following drawbacks: the network cable has poor bending resistance, and the cable is easy to break after being bent for a long time or for multiple times, so that the data transmission is affected, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an improve network cable of anti ability of buckling, it has the better advantage of anti performance of buckling.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a network cable capable of improving bending resistance comprises a wire and a surface layer, wherein a supporting tube is arranged around the wire, a placing cavity with a triangular radial section is formed in the supporting tube and used for placing a wire group, and a rubber protective layer is filled around the wire in the placing cavity; the wire group comprises four groups, and each group of the wire group comprises two wires which are twisted together.

By adopting the technical scheme, due to the special stability of the triangle, the support tube with the radial section as the cavity has higher bending strength, and is made of nylon material, so that the strength is higher; the rubber protection layer filled in the cavity can effectively protect the wire in the cavity, and reduces the damage of the shearing force to the wire when bending, so that the wire is more effectively protected, the bending resistance of the network cable is obviously improved, and the wire is effectively protected.

The utility model discloses further set up to: tensile fiber wires are also twisted in each group of the lead groups.

By adopting the technical scheme, the tensile fiber wire is arranged in the wire to bear the pulling force on the wire, so that the pulling force distributed on the wire can be reduced, and the network-guided tensile performance is effectively improved.

The utility model discloses further set up to: and the placing cavity is provided with a shielding metal layer around the lead.

By adopting the technical scheme, the shielding metal layer wraps all the wires inside, and because the shielding metal layer is the aluminum foil, the shielding metal layer can completely and effectively shield the magnetic field around the wires and the magnetic field generated by the wires due to electrification, so that the stability of signal transmission in the network cable is ensured.

The utility model discloses further set up to: the outer side wall of the supporting tube is wrapped with a metal reinforcing net.

By adopting the technical scheme, the metal reinforcing net is wrapped on the outer side wall of the supporting pipe by the net woven by the copper-aluminum alloy filaments, on one hand, the electrostatic shielding can be carried out on the wire, and on the other hand, the strength of the network cable can be further improved due to the fact that the strength of the copper-aluminum alloy is high.

The utility model discloses further set up to: and a heat insulation layer is arranged on the outer side wall of the metal reinforcing net.

By adopting the technical scheme, the heat insulation layer is composed of the aerogel felt, and the heat insulation effect of the aerogel felt is 2-5 times that of the traditional heat insulation material, so that heat can be effectively isolated outside the supporting tube, and the influence on conducting signals of the wires due to overhigh temperature is effectively reduced.

The utility model discloses further set up to: and one side of the heat insulation layer, which is far away from the metal reinforcing net, is provided with a flame-retardant layer.

Through adopting above-mentioned technical scheme, fire-retardant layer is the flame retardant paper, and it is handled by the fire retardant and forms to effectively prevent that the net twine from taking place the burning in the environment on fire, thereby can deal with comparatively complicated operational environment, effectively reduce the probability that the burning on fire destroys the wire.

The utility model discloses further set up to: and a fire-resistant layer is arranged on one side of the surface layer, which is far away from the flame-retardant layer.

Through adopting above-mentioned technical scheme, the setting of flame retardant coating can effectively block the burning of flame to the epidermis layer, because the epidermis layer is made for PVC, and it burns and can produce poisonous gas, therefore the effective protection network cable of being convenient for of setting up of flame retardant coating.

The utility model discloses further set up to: and the outer side wall of the surface layer is wrapped with a nylon woven mesh.

Through adopting above-mentioned technical scheme, because the intensity of nylon is great, therefore can be on the one hand with the flame retardant coating constraint on the lateral wall of epidermal layer, on the other hand can further improve the intensity of network cable

To sum up, the beneficial effects of the utility model are that:

1. the technology that the supporting tube, the placing cavity, the rubber protective layer and the tensile fiber wire are matched is adopted, so that the effect of improving the strength of the network cable and the bending resistance is achieved;

2. the technology that the shielding metal layer is matched with the metal reinforcing net is adopted, so that the effect of carrying out electromagnetic shielding on the network wire is achieved;

3. the technology that the heat-insulating layer, the flame-retardant layer and the nylon netting are matched is adopted, so that the flame-retardant and fireproof performance of the network cable is improved.

Drawings

Fig. 1 is a schematic radial structure diagram of a network cable with improved bending resistance in an embodiment.

In the figure: 1. a wire; 11. a tensile fiber thread; 12. a support wire; 2. a skin layer; 3. supporting a tube; 31. placing the cavity; 311. a rubber protective layer; 4. a shielding metal layer; 5. a metal reinforcing mesh; 6. a thermal insulation layer; 7. a flame retardant layer; 8. a refractory layer; 9. nylon mesh.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

a network cable with improved bending resistance is disclosed, referring to fig. 1, which comprises a conducting wire 1 and a skin layer 2, wherein the skin layer 2 is made of PVC material and is in a round tube shape. The wires 1 comprise four groups, each group of wire groups comprises two wires 1 which are twisted together, each group of wire groups is also twisted with tensile fiber wires 11, and the tensile fiber wires 11 are made of nylon fibers. Four groups of wires 1 are twisted on a supporting wire 12, and the supporting wire 12 is also formed by weaving nylon fibers.

A supporting tube 3 is wrapped around the lead 1, the supporting tube 3 is integrally formed by nylon materials, and a placing cavity 31 with a triangular radial section is formed in the supporting tube 3; the placing cavity 31 is a triangular prism for placing the lead group. Placing cavity 31 inside and being located and filling around wire 1 and having rubber protection layer 311, rubber protection layer 311 is made for ethylene propylene rubber, because the stability of triangular prism is higher, and the ethylene propylene rubber of its inside packing can protect wire 1 to the bending resistance performance of network cable has been showing and has been improved.

The placing cavity 31 is formed by wrapping a shielding metal layer 4 around the lead 1, the shielding metal layer 4 is formed by wrapping an aluminum foil or a tin foil around the lead 1, and the aluminum foil or the tin foil is conductive metal and can induce current in a magnetic field, so that the magnetic field changing around the lead 1 is effectively shielded.

The outer side wall of the supporting pipe 3 is wrapped with a metal reinforcing net 5, the metal reinforcing net 5 is a copper-aluminum alloy filament woven cylindrical structure, and the metal reinforcing net 5 is wrapped on the outer side of the supporting pipe 3, so that the strength of the outer side of the supporting pipe 3 is improved, and the wire 1 inside the supporting pipe 3 is effectively protected.

The outer side wall of the metal reinforcing net 5 is adhered with an inherent heat insulation layer 6, the heat insulation layer 6 is an aerogel felt, the metal reinforcing net 5 and the heat insulation layer 6 are adhered and fixed through a CAS-S105 aerogel heat insulation felt special adhesive, so that a layer of heat insulation layer 6 is formed on the outer side of the metal reinforcing net 5, and the external high temperature is prevented from entering the metal reinforcing net 5.

One side of the heat insulation layer 6, which is far away from the metal reinforcing net 5, is fixedly bonded with a flame-retardant layer 7, the flame-retardant layer 7 is made of fireproof paper, the fireproof paper is wrapped on the outer side wall of the heat insulation layer 6, and the fireproof paper and the heat insulation layer 6 are fixedly bonded through a CAS-S105 aerogel heat insulation felt special adhesive, so that the network cable is effectively protected.

The flame retardant coating 8 is fixedly bonded to one side, far away from the flame retardant coating 7, of the surface layer 2, the flame retardant coating 8 is made of ceramic fiber cloth, and the flame retardant coating 8 is fixedly bonded to the outer side wall of the surface layer 2 through glue, so that high temperature on the outer side of the surface layer 2 is effectively resisted.

2 lateral wall parcels of epidermis have nylon mesh grid 9, and nylon mesh grid 9 is woven by the nylon fibre and is formed, and nylon mesh grid 9 contracts on the lateral wall of flame retardant coating 8 and bonds fixedly through glue to further improved epidermis 2's intensity, improved epidermis 2's anti bending performance.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A network cable for improving bending resistance comprises a wire (1) and a surface layer (2), and is characterized in that: a supporting tube (3) is arranged around the lead (1), a placing cavity (31) with a triangular radial section is formed in the supporting tube (3), the placing cavity (31) is used for placing a lead group, and a rubber protective layer (311) is filled around the lead (1) in the placing cavity (31); the wire group comprises four groups, and each group of wires (1) comprises two wires (1) which are twisted together.

2. The network cable with improved bending resistance of claim 1, wherein: tensile fiber wires (11) are also twisted in each group of the wires.

3. The network cable with improved bending resistance of claim 1, wherein: the placing cavity (31) is provided with a shielding metal layer (4) around the lead (1).

4. The network cable with improved bending resistance of claim 1, wherein: the outer side wall of the supporting tube (3) is wrapped with a metal reinforcing net (5).

5. The network cable with improved bending resistance of claim 4, wherein: and a heat insulation layer (6) is arranged on the outer side wall of the metal reinforcing net (5).

6. The network cable with improved bending resistance of claim 5, wherein: and a flame-retardant layer (7) is arranged on one side of the heat-insulating layer (6) far away from the metal reinforcing net (5).

7. The network cable with improved bending resistance of claim 6, wherein: and a fire-resistant layer (8) is arranged on one side of the surface layer (2) far away from the flame-retardant layer (7).

8. The network cable with improved bending resistance of claim 1, wherein: the outer side wall of the surface layer (2) is wrapped with a nylon woven mesh (9).