CN209525956U - A kind of network cable - Google Patents

Abstract

The utility model relates to a kind of network cables; including center core layer and the protective layer being orderly arranged outside each along center core layer, the first polytetrafluoroethylene ethylene layer, the second polytetrafluoroethylene ethylene layer, shielded layer and external sheath layer; space in the center core layer is provided with an isolation cross; the end of four spacer bars of the isolation cross is split into two curved rods; two curved rods form an arc groove, accommodate an elastic hollow tube body in each arc groove.The setting that the utility model passes through isolation cross and elastic hollow tube body; it can the impact of external mechanical power that is subject to of buffer network cable; the structural stability and functional stabilization of internal core are protected, while can avoid phenomena such as generation cross-talk, signal interference, phase mutual friction lead to equipment premature aging between a plurality of core.

Description

A kind of network cable

Technical field

The utility model relates to network communication technology fields, and in particular to a kind of network cable.

Background technique

Network has become one of the daily household of people, office, amusement and social essential content, network cable conduct The basic unit of multiple network equipments is connected, the quality of performance is directly related to the transmission of network signal, however, existing Network cable exists following insufficient mostly:

1, network cable is usually all made of multiple conducting wires, and existing network cable does not carry out the rule of science to conducting wire It draws and classification, different types of conducting wire winding is extruded in the same cable, the signal interference between be easy to causeing, together When, the friction and Extrusion between multiple conducting wires also will increase the security risk of equipment.

2, the interference free performance of network cable and shielding properties are its most important two performances, however, it is existing very much The anti-interference structure or shielding construction of network cable are simpler, do not account for the classification of interference signal, do not account for naturally The division of labor when shielding interference signal.

3, network cable is set to open air mostly, and meeting and other power cables etc. are arranged together, and network cable is transporting And inevitably need to wind in assembling process, and inevitably will receive the influence of external force, these can all influence net The quality and service life of winding thread cable, and the arrangement of network cable is spent human and material resources very much, failure is also inconvenient to check, Therefore the highest mode of cost performance is production high quality, high-wearing feature and the grid line with excellent anti-external interference performance at present Cable.

To sum up, existing network cable urgently improves.

Utility model content

A kind of network cable comprising: center core layer and the protective layer being orderly arranged outside each along center core layer, One polytetrafluoroethylene ethylene layer, the second polytetrafluoroethylene ethylene layer, shielded layer and external sheath layer, wherein

Space in the center core layer is provided with an isolation cross, four spacer bars of the isolation cross End is split into two curved rods, and two curved rods form an arc groove, in each arc groove in one elasticity of accommodating Blank pipe body；Isolation cross will isolate the space of four accommodating center cores in the core layer of center, be arranged one in each space Group center core, every group of center core include compenzine core and the insulating layer for coating compenzine core.

Wherein, the material of the elastic hollow tube body and isolation cross is selected from elastic rubber, the isolation cross The end of curved rod and the inner wall of center core layer be spaced a predetermined distance.

Wherein, the wall surface in the outside of the center core and the inner wall of center core layer are spaced a predetermined distance, the elasticity The outer side surface of hollow tube and the inner wall of center core layer are tangent.

Wherein, multiple signal receiving parts, the cross section shape of the signal receiving part are evenly arranged on the outside of the protective layer Shape be it is trapezoidal, to guarantee that network cable can receive more electromagenetic wave radiations.

Wherein, the external sheath layer includes the first external sheath layer and the second external sheath layer, the material of first external sheath layer Matter is selected from polyethylene insulation material, and the material of second external sheath layer is selected from silicon rubber.

Wherein, the periphery wall of second external sheath layer is evenly arranged with multiple grooves.

Wherein, in the space that the isolation cross is isolated, water blocking yarn is filled with outside the center core in each space.

Network cable provided by the utility model can buffer subsystem by the way that the setting of cross and elastic hollow tube body is isolated The structural stability and functional stabilization of internal core are protected in the impact for the external mechanical power that winding thread cable is subject to, and can avoid simultaneously Phenomena such as generation cross-talk, signal interference, phase mutual friction lead to equipment premature aging between a plurality of core.

Detailed description of the invention

Fig. 1: the schematic cross-sectional view of network cable provided by the utility model.

Description of symbols

The center 10- core layer, 11- isolation cross, 111- curved rod, 112- arc groove, 12- core, 13- insulation Layer, 20- protective layer, 21- signal receiving part, the first polytetrafluoroethylene ethylene layer of 30-, the second polytetrafluoroethylene ethylene layer of 40-, 50- shielded layer, 60- external sheath layer, the first external sheath layer of 61-, the second external sheath layer of 62-, 63- groove, 70- elastic hollow tube body.

Specific embodiment

In order to have further understanding to the technical solution of the utility model and beneficial effect, with reference to the accompanying drawing in detail Illustrate the beneficial effect of the technical solution of the utility model and its generation.

Fig. 1 is the schematic cross-sectional view of network cable provided by the utility model, as shown in Figure 1, the utility model mentions The network cable of confession, center core layer 10 and the protective layer 20 being orderly arranged outside each along center core layer 10, the first polytetrafluoro Pvdf layer 30, the second polytetrafluoroethylene ethylene layer 40, shielded layer 50 and external sheath layer 60.

In order to avoid generation cross-talk, signal interference, phase mutual friction lead to equipment premature aging etc., this reality between a plurality of core With novel in being provided with an isolation cross 11 in center core layer 10, the isolation cross 11 by center core layer 10 every The space of four accommodating center cores is separated out, one group of center core is set in each space, every group of center core includes compenzine Core 12 and the insulating layer 13 for coating compenzine core 12.Isolation cross 11 material can be selected from foam material, on the one hand in order to The quality of entire cable is reduced, another aspect foam material void can further increase the anti-interference energy of isolation cross 11 Power, in addition, the material of isolation cross 11 must being capable of flexible deformation.

As shown in Figure 1, the end of four spacer bars of isolation cross 11 is split into two curved rods 111, two arcs Shape bar 111 forms an arc groove 112, an elastic hollow tube body 70 is accommodated in each arc groove 112, in this way, in net When winding thread cable is squeezed, elastic hollow tube body 70 can generate certain flexible deformation, the extraneous machine that buffer network cable is subject to The structural stability and functional stabilization of internal core are protected in the impact of tool power.It is understandable to be, elastic hollow tube body 70 Material is preferably also selected from foam material and is capable of the material of flexible deformation, on the one hand for flexible deformation the considerations of, on the other hand For the considerations of reducing entire cable quality, the material of elastic hollow tube body 70 can be identical with the material of isolation cross 11 Can be different, when different, the deformation behavior of elastic hollow tube body 70 is greater than isolation cross 11, because of isolation cross 11 The shape of the division of itself end curved rod determines that when material is identical, isolation cross 11 can be generated than elastic hollow pipe The bigger flexible deformation of body 70.

Please continue to refer to shown in Fig. 1, in order to protect center core, center core is avoided to receive when network cable is extruded Mechanical pressure, in the utility model, the wall surface in the outside of the center core and the pre- spacing in inner wall interval of center core layer 10 From；It is described in the utility model meanwhile in order to play the flexible deformation advantage of isolation cross 11 and elastic hollow tube body 70 The end of curved rod 111 and the inner wall of center core layer 10 that cross 11 is isolated are spaced a predetermined distance, elastic hollow tube body 70 Outer side surface and center core layer 10 inner wall it is tangent.In this way, when network cable is squeezed by the external world, elastic hollow Tube body 70 is deformed first, and the curved rod 111 of isolation cross 11 can be from mechanical presses, and structure is more stable.

In the utility model, due to having gap between center core lateral wall and the inner sidewall of center core layer 10, it is Avoid core that abnormal displacement, the sky that the utility model is isolated in isolation cross 10 occur in center core layer 10 It is filled with water blocking yarn outside interior center core, to stablize the position of center core, meanwhile, water blocking yarn has network cable From heavy and light, reliable performance and advantage at low cost.

In the utility model, the outside of the protective layer 20 is evenly arranged with multiple signal receiving parts 21, which receives The cross-sectional shape in portion 21 be it is trapezoidal, to guarantee that network cable can receive more electromagenetic wave radiations, realize preferably protection Effect.

In the utility model, the density of the first polytetrafluoroethylene ethylene layer 30 is greater than the density of the second polytetrafluoroethylene ethylene layer 40, or Person, the thickness of the first polytetrafluoroethylene ethylene layer 30 are greater than the thickness of the second polytetrafluoroethylene ethylene layer 40, to cut in the axial direction of network cable Face forms a protection gradient.

In the utility model, the material of shielded layer 50 is selected from any of copper mesh, metallic fiber etc..

In the utility model, the external sheath layer 60 includes the first external sheath layer 61 and the second external sheath layer 62, and described the The material of one external sheath layer 61 is selected from polyethylene insulation material, and the material of second external sheath layer 62 is selected from silicon rubber, thus The stability of whole network cable is improved, guarantees that external sheath layer does not fall off in fire hazard environment, do not break, guarantees security system It works normally.

In addition, the periphery wall of second external sheath layer 62 is evenly arranged with multiple grooves 63, groove in the utility model 63 are capable of increasing the surface area of the second outer protective jacket 62, increase its heat dissipation performance, improve its work under high temperature environment it is steady It is qualitative.

The beneficial effects of the utility model are as follows:

It 1, can the buffer network cable external mechanical power that is subject to by the way that the setting of cross and elastic hollow tube body is isolated Impact, protects the structural stability and functional stabilization of internal core, while can avoid generating cross-talk, signal between a plurality of core Phenomena such as interference, phase mutual friction lead to equipment premature aging.

2, by the setting of water blocking yarn, so that network cable has from heavy and light, reliable performance and advantage at low cost.

3, it by the setting of the first external sheath layer, the second external sheath layer and the second external sheath layer upper groove, improves whole The stability of a network cable guarantees that external sheath layer does not fall off in fire hazard environment, do not break, guarantees the normal work of security system Make, while improving the heat dissipation performance of network cable, improves its stability to work under high temperature environment.

Although the utility model is illustrated using above-mentioned preferred embodiment, so it is not intended to limit the utility model Protection scope, anyone skilled in the art are within the spirit and scope for not departing from the utility model, relatively above-mentioned implementation Example carries out various variations and still belongs to the range that the utility model is protected with modification, therefore the protection scope of the utility model is with right Subject to claim is defined.

Claims (7)

1. a kind of network cable, characterized by comprising: center core layer and the guarantor being orderly arranged outside each along center core layer Sheath, the first polytetrafluoroethylene ethylene layer, the second polytetrafluoroethylene ethylene layer, shielded layer and external sheath layer, wherein

Space in the center core layer is provided with an isolation cross, the end of four spacer bars of the isolation cross Two curved rods are split into, two curved rods form an arc groove, accommodate an elastic hollow pipe in each arc groove Body；Isolation cross will isolate the space of four accommodating center cores in the core layer of center, in each space in one group of setting Heart core, every group of center core include compenzine core and the insulating layer for coating compenzine core.

2. network cable as described in claim 1, it is characterised in that: the elastic hollow tube body and the material that cross is isolated It is selected from elastic rubber, the end of curved rod of the isolation cross and the inner wall of center core layer are spaced a predetermined distance.

3. network cable as described in claim 1, it is characterised in that: the wall surface and center core in the outside of the center core The inner wall of layer is spaced a predetermined distance, and the outer side surface of the elastic hollow tube body and the inner wall of center core layer are tangent.

4. network cable as described in claim 1, it is characterised in that: be evenly arranged with multiple signals on the outside of the protective layer Receiving unit, the cross-sectional shape of the signal receiving part be it is trapezoidal, to guarantee that network cable can receive more electromagenetic wave radiations.

5. network cable as described in claim 1, it is characterised in that: the external sheath layer includes the first external sheath layer and second The material of external sheath layer, first external sheath layer is selected from polyethylene insulation material, and the material of second external sheath layer is selected from Silicon rubber.

6. network cable as claimed in claim 5, it is characterised in that: the periphery wall of second external sheath layer is evenly arranged with Multiple grooves.

7. network cable as described in claim 1, it is characterised in that: in the space that the isolation cross is isolated, often Water blocking yarn is filled with outside the center core in a space.