CN206697615U - A kind of Anti-pressure coaxial cable for improving shield effectiveness - Google Patents

A kind of Anti-pressure coaxial cable for improving shield effectiveness Download PDF

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Publication number
CN206697615U
CN206697615U CN201621465903.8U CN201621465903U CN206697615U CN 206697615 U CN206697615 U CN 206697615U CN 201621465903 U CN201621465903 U CN 201621465903U CN 206697615 U CN206697615 U CN 206697615U
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China
Prior art keywords
cable
metal sleeve
connector
coaxial cable
layer
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CN201621465903.8U
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Inventor
徐宝龙
邹海涛
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SHENZHEN HEHONG INDUSTRIAL Co Ltd
HUIZHOU D&S CABLE Co Ltd
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SHENZHEN HEHONG INDUSTRIAL Co Ltd
HUIZHOU D&S CABLE Co Ltd
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Priority to CN201621465903.8U priority Critical patent/CN206697615U/en
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Abstract

The utility model discloses a kind of Anti-pressure coaxial cable for improving shield effectiveness, the cable body is compressed by metal sleeve and connector and connected, the metal sleeve is made up of elastic rubber sleeve and the fixed metal tube being crimped on outside elastic rubber sleeve, the connector includes tubular outer conductor, center pin is provided with inside outer conductor, at center, a jack is extended in the outside of pin, the rear end of connector, the external diameter of the jack is less than the internal diameter of metal sleeve, and insulator is provided between the center pin and outer conductor;When the connector and fixed cable body assembling, the screen layer of cable body front end is arranged between the inwall of metal sleeve and the outer wall of jack, and the insulating barrier and inner wire of cable body front end are arranged in the inside of jack and inner wire fore-end is exposed to metal sleeve front end.The utility model improves the shielding properties of cable, and its transfger impedance reduces, and improves efficiency of transmission while cable resistance to bend(ing) and crushing resistance is ensured.

Description

A kind of Anti-pressure coaxial cable for improving shield effectiveness
Technical field
The utility model is related to coaxial cable interconnection technique field, more particularly to it is a kind of improve shield effectiveness Anti-pressure it is same Shaft cable.
Background technology
One of critical elements as carry high frequency electrical signals, coaxial cable with its high-frequency loss it is low, shielding and anti-interference energy The excellent characteristics such as power is strong, bandwidth, it is widely used as the Base Transmitter of the systems such as radio communication, microwave transmission, broadcast communication Signal transmssion line between machine, receiver, radio communication equipment or in high frequency field.Because copper has good electricity, machine Tool and thermal property, the widely used coaxial cable of mobile communications industry is essentially all copper at present.Copper coaxial cable Weight it is bigger, therefore, installation to cable and fixation have higher requirement.Especially for promoting, cabling requirements are larger Project, such as promote 3-G (Generation Three mobile communication system) (3rd Generation Mobile Communications System, 3G) time division synchronous CDMA (Time Division-Synchronous Code Division Multiple Access, TD-SCDMA) base station, it is compared with global system for mobile communications (Global System for Mobile Communications, GSM) base station improves 9 times to the demand of cable, and at the same time its fixation and installation to cable is just Higher requirement is proposed, this requires how to be optimized product structure under conditions of coaxial cable electric property is not reduced.
The defects of traditional coaxial cable is due to selection, production technology etc., production cost height, production effect often be present Rate is low, is difficult to meet the problems such as requiring compared with high-tech, and especially properties of product are more single, such as excellent electric in order to meet Performance, often limit the raising of comprehensive mechanical performance;In order to meet the measuring body requirement of lightweight, the transmission of cable is often reduced Performance;In order to embody good return loss performance and water resistance, the mechanical strength of cable is often reduced.
The coaxial cable largely used in satellite antenna TV at present generally comprises internal core wire, the insulation hair outside internal core wire The restrictive coating of braiding layer outside aluminium foil layer, aluminium foil layer and braiding layer outer wrapping outside alveolar layer, insulating foam layer.Prior art In, it is public respectively in Application No. CN2013205650666 and Application No. CN2013205662678 two utility model patents Two kinds of similar coaxial connector structures have been opened, when staff's progress coaxial wire is connected with this kind of connector, have been needed The aluminium foil layer of coaxial cable, braiding layer and external sheath layer are cut one section, expose aluminium foil layer, then foaming layer is cut shorter One section, expose internal core wire, the foaming layer exposed and inner wire inserted by the rear end of connector and cause foaming layer to penetrate connection The inside of device, then connector and cable connection are compressed.It is strong in vibratory impulse but this connection method tensile capacity is poor Under strong environment, very easily it is torn, causes cable to disconnect, influences normal use;And need manually by coaxial cable Braiding layer and external sheath layer cut one section, expose aluminium foil layer, braiding layer is difficult to be pushed aside with aluminium foil layer, is being attached device Wasted time and energy during installation, it could even be possible to damage connector, it is often more important that, after clipping screen layer and outer jointing jacket, online The insulating barrier of cable and the junction of connector generate gap, so having electromagnetic leakage phenomenon, shield effectiveness reduces.
Utility model content
The utility model aims to provide a kind of Anti-pressure coaxial cable for improving shield effectiveness, not only easy for installation, mechanical Intensity is high, resistance to compression effect is good, and has excellent shielding properties.
In order to solve the above technical problems, the utility model provides following technical scheme:
A kind of Anti-pressure coaxial cable for improving shield effectiveness, including cable body and the company for being arranged on cable body end Device is connect, the cable body is compressed by coaxial annular metal sleeve and connector and connected, and the metal sleeve is by elastic rubber sleeve With the fixed metal tube composition being crimped on outside elastic rubber sleeve;The cable body be included in radially coat successively from inside to outside it is interior Conductor, the polyethylene layer being coated on outside inner wire, two layers of the aluminium foil and metal screen layer, Yi Jiping being coated on outside insulating barrier The restrictive coating outside layer is covered, the polyethylene is foaming crosslinked polyethylene or the real core polyethylene of irradiation;It is in cylinder that the connector, which includes, The outer conductor of shape, outer conductor inside are provided with center pin, and at center, a jack is extended in the outside of pin, the rear end of connector, described Insulator is provided between center pin and outer conductor;When the connector and fixed cable body assembling, the screen of cable body front end Layer is covered to be arranged between the inwall of metal sleeve and the outer wall of jack, and the insulating barrier and inner wire of cable body front end are arranged in The inside of jack and inner wire fore-end is exposed to metal sleeve front end.
Further, the cable body is fixedly installed in the inside of connector plug jack, the inner wire sleeve of cable body And holding is in the pin of center, the junction of the center pin and outer conductor is provided with the radial elastic that has for being used to fixing inner wire Flexure strip, the flexure strip by the cast flexure strip on two coaxial lines while it is multiple be connected to two flexure strips while between bullet Bar is formed, and the flexure strip does not close, and flexure strip side-walls are provided with opening.
Further, 360 ° of the outer conductor inwall around groove is provided with, integrally with groove shapes mutually fit by the flexure strip Match somebody with somebody, the flexure strip sleeve and holding are in the groove.
Further, the material of the elastic rubber sleeve is silica gel, and the metal tube is copper pipe.
Further, the screen layer includes one side hot melt aluminium foil layer, the B alloy wire braiding layer that from-inner-to-outer coats successively And non-stick junction type two sides aluminium foil layer, the one side hot melt aluminium foil layer and non-stick junction type two sides aluminium foil layer is corrugated is fixed on On cable body.
Further, the outside of the non-stick junction type two sides aluminium foil layer is additionally provided with the second braiding layer, second braiding layer For wicking braiding layer.
Further, the outer conductor is turning part, and punching point makes insulator and outer conductor close-fitting on the outer conductor, institute State through hole of the insulator provided with multiple size shape identicals axial direction.
Further, the inner wire is copper core or tin plating copper core or silver-plated copper core.
Further, the external diameter of jack is 5.00-5.05 mm in the connector, and the internal diameter of the metal sleeve is 6.35-6.40 mm, the thickness of elastic rubber sleeve is 0.50-1.00 mm in the metal sleeve.
Further, the metal sleeve and cable body outer surface form six faces by riveting hexagonal, in each face Cambered surface is recessed into, and the radial section of metal sleeve is regular hexagon.
Compared with prior art, the utility model has the advantage of:1st, the utility model passes through cable body with bullet Property gum cover metal sleeve and connector compress and connect, adapt to use in the environment of judder is impacted, crimp strength is high, anti- Drawing ability is good, and the radial section of metal sleeve is regular hexagon, and cambered surface is recessed into the outer surface of metal sleeve, metal sleeve with After the incoming end crimping of coaxial cable, the external surface shape rule of metal sleeve connection end, non-trimming is formed, protection injection molded layers note It is uniform to mould thickness, it is good to connector screen shield effect, improve the shielding properties of coaxial cable;2nd, coaxial annular metal sleeve is set Put in the center of connector after also guarantee cable is installed, will not produce Electric Field Distribution inequality can cause internal field too strong, can With effectively eliminate point discharge, cause stress distribution evenly, ensure cable installation after in the center of electric connector, can rise To the effect of grading ring so that the electric fields uniform of junction is distributed to ground area around, avoids the generation of corona discharge, will not Cable and machine are caused any harm;3rd, screen layer using one side hot melt aluminium foil layer, high quality B alloy wire braiding layer and The compages that non-stick junction type two sides aluminium foil layer successively adds up, while the requirement of cable flexibility resist bending is met, further carry Shielding properties is risen;4th, the outer conductor of connector uses turnery processing, its wall thickness and no profile groove, reduces electromagnetic leakage, The junction of center pin and outer conductor is provided with the flexure strip with radial elastic for being used for fixing inner wire, to increase connector pair The electrical contact of timing outer conductor, electric signal transmits stable insulation body and insulator is provided with multiple through holes and mixes dielectric to reduce it Constant, so as to optimize the transmission performance of cable.
In summary, the innovation structure of the coaxial cable changes while coaxial cable flexibility resist bending and resistance to compression is ensured The shielding properties of cable has been apt to it, the shielding attenuation of the coaxial cable is reachable 85 in 1.0 MHZ-2000.0 MHZ frequency range More than dB;In 100 MHZ-200 MHZ up to 105 more than dB, higher than 95 dB of the prior art, meet European standard, can Fully ensure that the high-frequency signal quality of Coaxial Cables is not affected, and the Coaxial Cable Transfer Impedance reduces, transfer Impedance in the mohm/m of 1.0 MHz-2000.0 MHz≤5.0, make coaxial cable shielding properties be greatly improved it is same Shi Tigao efficiencies of transmission.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the configuration schematic diagram of the utility model embodiment;
Fig. 2 is the structural representation of the utility model embodiment;
Fig. 3 is the cross section structure diagram of the utility model embodiment connector;
Fig. 4 is the structural representation of the utility model embodiment connector splinter;
Fig. 5 is the structural representation of the utility model embodiment connector insulator;
Fig. 6 is the side structure schematic view of the utility model embodiment connector;
Fig. 7 is the sectional view that the utility model embodiment metal sleeve is matched somebody with somebody with coaxial cable body, connector device;
Fig. 8 is the test that its transfger impedance of prior art regular hexagonal section coaxial cable changes with shielding attenuation with frequency Figure;
Fig. 9 is that the utility model embodiment regular hexagonal section coaxial cable its transfger impedance becomes with shielding attenuation with frequency The test chart of change;
Figure 10 is the test chart that its transfger impedance of prior art circular cross-section coaxial cable changes with shielding attenuation with frequency;
Figure 11 is that the utility model embodiment circular cross-section coaxial cable its transfger impedance changes with shielding attenuation with frequency Test chart;
Figure 12 is the survey that coaxial cable its transfger impedance in prior art irregular shape section changes with shielding attenuation with frequency Attempt;
Figure 13 is its transfger impedance of the utility model embodiment irregular shape section coaxial cable and shielding attenuation with frequency The test chart of change.
Embodiment
The technical scheme in the embodiment of the utility model will be clearly and completely described below, it is clear that described Embodiment is only part of the embodiment of the present utility model, rather than whole embodiments.Based on the implementation in the utility model Example, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to The scope of the utility model protection.
The utility model embodiment includes:
As shown in Figures 1 to 7, a kind of Anti-pressure coaxial cable for improving shield effectiveness, including cable body 11 and setting Connector 22 in the end of cable body 11, the cable body 11 are compressed by coaxial annular metal sleeve 33 and connector 22 Connection, the metal sleeve 33 are made up of elastic rubber sleeve 31 and the fixed metal tube 32 being crimped on outside elastic rubber sleeve 31;The electricity Cable body 11 is included in the inner wire 10 radially coated successively from inside to outside, the polyethylene layer being coated on outside inner wire 10 11st, the restrictive coating 16 being coated on outside the screen layer and screen layer outside insulating barrier 11;The polyethylene is foaming crosslinked polyethylene Or the real core polyethylene of irradiation;The screen layer includes one side hot melt aluminium foil layer 12, the B alloy wire braiding that from-inner-to-outer coats successively Layer 13, non-stick junction type two sides aluminium foil layer 14 and the second braiding layer 15, second braiding layer 15 are wicking braiding layer, the one side Hot melt aluminium foil layer 12 and non-stick junction type two sides aluminium foil layer 14 is corrugated is fixed on cable body 11;The connector 22 wraps Tubular outer conductor 21 is included, the inside of outer conductor 21 is provided with center pin 22, and the outside of pin 22, the rear end of connector 22 are prolonged at center A jack is stretched out, insulator 23 is provided between the center pin 22 and outer conductor 21, the insulator 23 is provided with multiple sizes The through hole 231 of shape identical axial direction;When the connector 22 and the fixed assembling of cable body 11, the screen of the front end of cable body 11 Layer is covered to be arranged between the inwall of metal sleeve 33 and the outer wall of jack, and the insulating barrier 11 and inner wire of the front end of cable body 11 10 are arranged in the inside of jack and the fore-end of inner wire 10 is exposed to the front end of metal sleeve 33;The cable body 11 fixes peace Inside loaded on the jack of connector 22, simultaneously holding is in center pin 22 for the sleeve of inner wire 10 of cable body 11, the center pin 22 are provided with the flexure strip 50 with radial elastic for being used for fixing inner wire 10 with the junction of outer conductor 21;The flexure strip 50 By the cast flexure strip on two coaxial lines while 51 and it is multiple be connected to two flexure strips while 51 between spring 52 form, it is described Flexure strip 50 does not close, and the side-walls of flexure strip 50 are provided with opening;360 ° of 21 inwall of outer conductor, which is surround, is provided with groove 41, described Flexure strip 50 is overall to be adapted with the shape of groove 41, the sleeve of flexure strip 50 simultaneously holding in the groove 41;The metal Sleeve pipe 33 forms six faces with the outer surface of cable body 11 by riveting hexagonal, and cambered surface, and metal sleeve 33 are recessed into each face Radial section be regular hexagon.
Wherein, although illustrating the radial section of metal sleeve 33 as an example with regular hexagon, with two layers of aluminium foil layer, two Layer braiding layer adds sandwiched to put the structure of explanation screen layer, and for strengthening the flexibility of coaxial cable, those skilled in the art should Understand, the shape of the radial section of above-mentioned metal sleeve 33 can also be other shapes, for example, circle, ellipse, triangle, The regular shapes such as rectangle or irregular shape;Above-mentioned screen layer can also only have one layer of aluminium foil layer and one layer of braiding Layer, all should be within protection scope of the present invention as long as the present invention can be realized.
Preferably, the material of the elastic rubber sleeve 31 is silica gel, is carried out to metal sleeve 33 and coaxial cable body 11 During crimping, elastic rubber sleeve 31 can shrink, and metal sleeve 33 is propped up outside the screen layer after turning down, it is therefore prevented that coaxial connector 22 cause connector 22 or machine breakdown because stress distribution is uneven;The metal tube 32 is copper pipe, and copper metal does not enter resistance Small and ductility is good, is adapted to punching press.
Preferably, the outer conductor 21 is turning part, and metal thickness is added than tension type outer conductor 21, and without because Gap is left after profile groove to need to have certain elasticity, punching point makes insulator 23 and outer conductor 21 tight on the outer conductor 21 Match somebody with somebody, therefore there is high capability of electromagnetic shielding.The outer conductor 21, center pin 22 and flexure strip 50 have the coat of metal, can be with For nickel plating or gold-plated, good corrosion resistance.Flexure strip 50 is overall to be formed in one, and its material is beryllium copper, is passed through in manufacturing process 600 DEG C of tempers are crossed, make to repeat the resilience effect still having had after plugging.
Preferably, the inner wire 10 is copper core or tin plating copper core or silver-plated copper core, naturally it is also possible to is other metals Inner wire 10.The transmission of energy and information can be more rapidly carried out using the good electricity of copper, machinery and thermal property, is adopted With tin plating copper core or silver-plated copper core, while the stable degree of inner conductor 10 is effectively ensured, the cost of raw material Than common drop bottom.When the small metal or metal alloy of the density ratio copper of selection, price are cheaper than copper, it is possibility to have the drop of effect The cost of low coaxial cable.
Preferably, the external diameter of jack 24 is 5.00-5.05 mm in the connector 222, the internal diameter of the metal sleeve 33 For 6.35-6.40 mm, the thickness of elastic rubber sleeve 31 is 0.50-1.00 mm in the metal sleeve 33, for adapting to screen layer Thickness, so as to increase or decrease the gap between metal sleeve 33 and screen layer as needed, adjust punching press dynamics.
During installation, the restrictive coating 16 of the incoming end of cable body 1 is cut off, exposes screen layer, will shielded using counter-brush device The braiding layer brush of layer is opened, and metal sleeve 3 is enclosed on into cable body 1 has cut off on the incoming end of restrictive coating 16, the shielding that will expose Turn over and be uniformly pasted on the outer wall of metal sleeve 3 after layer, the crosslinked polyetylene insulated layer 11 of foaming that cable body 1 exposes is cut Remove, expose cable inner conductor 10, inner conductor 10 and center pin 22 are welded;Then opened using the side-walls of flexure strip 50 The elasticity of mouth is mediated flexure strip 50 and loaded in outer conductor 21, is installed on after the elasticity recovery of flexure strip 50 in groove 41, when connector 2 When being connected with the incoming end of coaxial cable body 1, the slide-in type of center pin 22 is connected with center pin 22, ensures connector 2 and electricity On the same axis, flexure strip 50 is elastic curved on spring 52 with the access of the incoming end of coaxial cable body 1 for cable body 1 It is bent to be in close contact with the incoming end of coaxial cable body 1, and the flexure strip side 51 at elasticity compressing both ends, make flexure strip side 51 with it is outer Conductor 21 is in close contact, and so as to add the electrical contact of connector 2 and the incoming end of coaxial cable body 1, makes electric signal transmission It is stable, there is high electromagnetic wave shielding;After cable body 1 and connector 2 are completed, by the incoming end afterbody of cable body 1 It is clean with the unnecessary screen layer trimming of the junction of metal copper pipe 3, then, select suitable stamping jig to be pressed into metal sleeve 3 Specific shape, the screen layer of cable body 1 and metal sleeve 3, connector 2 are compressed, are then molded, you can obtain the present embodiment The Anti-pressure coaxial cable of described improvement shield effectiveness.
Compared with prior art, the utility model has the advantage of:1st, the utility model passes through cable body with bullet Property gum cover metal sleeve and connector compress and connect, adapt to use in the environment of judder is impacted, crimp strength is high, anti- Drawing ability is good, and the radial section of metal sleeve is regular hexagon, and cambered surface is recessed into the outer surface of metal sleeve, metal sleeve with After the incoming end crimping of coaxial cable, the external surface shape rule of metal sleeve connection end, non-trimming is formed, protection injection molded layers note It is uniform to mould thickness, it is good to connector screen shield effect, improve the shielding properties of coaxial cable;2nd, coaxial annular metal sleeve is set Put in the center of connector after also guarantee cable is installed, will not produce Electric Field Distribution inequality can cause internal field too strong, can With effectively eliminate point discharge, cause stress distribution evenly, ensure cable installation after in the center of electric connector, can rise To the effect of grading ring so that the electric fields uniform of junction is distributed to ground area around, avoids the generation of corona discharge, will not Cable and machine are caused any harm;3rd, screen layer using one side hot melt aluminium foil layer, high quality B alloy wire braiding layer and The compages that non-stick junction type two sides aluminium foil layer successively adds up, while the requirement of cable flexibility resist bending is met, further carry Shielding properties is risen;4th, the outer conductor of connector uses turnery processing, its wall thickness and no profile groove, reduces electromagnetic leakage, The junction of center pin and outer conductor is provided with the flexure strip with radial elastic for being used for fixing inner wire, to increase connector pair The electrical contact of timing outer conductor, electric signal transmits stable insulation body and insulator is provided with multiple through holes and mixes dielectric to reduce it Constant, so as to optimize the transmission performance of cable.
In summary, the innovation structure of the coaxial cable changes while coaxial cable flexibility resist bending and resistance to compression is ensured The shielding properties of cable has been apt to it, the test chart changed from Fig. 8 to Figure 13 transfger impedances and shielding attenuation with frequency, this is coaxial The shielding attenuation of cable is in 1.0 MHZ-2000.0 MHZ frequency range up to 85 more than dB;In 100 MHZ-200 MHZ Up to 105 more than dB, higher than 95 dB of the prior art, meet European standard, Coaxial Cables can be fully ensured that High-frequency signal quality is not affected, and the Coaxial Cable Transfer Impedance reduces, and transfger impedance is in 1.0 MHz-2000.0 MHz ≤ 5.0 mohm/m, efficiency of transmission is improved while the shielding properties of coaxial cable is greatly improved.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every The equivalent structure or equivalent flow conversion made using the utility model description, or directly or indirectly it is used in other phases The technical field of pass, similarly it is included in scope of patent protection of the present utility model.

Claims (10)

1. a kind of Anti-pressure coaxial cable for improving shield effectiveness, including cable body and the connection for being arranged on cable body end Device, it is characterised in that the cable body is compressed by metal sleeve and connector and connected, and the metal sleeve is by elastic rubber sleeve With the fixed metal tube composition being crimped on outside elastic rubber sleeve;The cable body be included in radially coat successively from inside to outside it is interior Conductor, the polyethylene layer being coated on outside inner wire, two layers of the aluminium foil and metal screen layer, Yi Jiping being coated on outside insulating barrier The restrictive coating outside layer is covered, the polyethylene is foaming crosslinked polyethylene or the real core polyethylene of irradiation;It is in cylinder that the connector, which includes, The outer conductor of shape, outer conductor inside are provided with center pin, and at center, a jack is extended in the outside of pin, the rear end of connector, described The external diameter of jack is less than the internal diameter of metal sleeve, and insulator is provided between the center pin and outer conductor;The connector and electricity When the assembling of cable body is fixed, the screen layer of cable body front end is arranged between the inwall of metal sleeve and the outer wall of jack, and The insulating barrier and inner wire of cable body front end are arranged in the inside of jack and before inner wire fore-end are exposed to metal sleeve End.
A kind of 2. Anti-pressure coaxial cable for improving shield effectiveness according to claim 1, it is characterised in that the cable sheet Body is fixedly installed in the inside of connector plug jack, and simultaneously holding is in the pin of center for the inner wire sleeve of cable body, the center pin The flexure strip with radial elastic for being used for fixing inner wire is provided with the junction of outer conductor, the flexure strip is coaxial by two Cast flexure strip on line while it is multiple be connected to two flexure strips while between spring form, the flexure strip does not close, bullet Property piece side-walls are provided with opening.
A kind of 3. Anti-pressure coaxial cable for improving shield effectiveness according to claim 2, it is characterised in that the outer conductor 360 ° of inwall is integrally adapted around groove, the flexure strip is provided with groove shapes, the flexure strip sleeve simultaneously holding in institute State in groove.
A kind of 4. Anti-pressure coaxial cable for improving shield effectiveness according to claim 1, it is characterised in that the elastic gum The material of set is silica gel, and the metal tube is copper pipe.
A kind of 5. Anti-pressure coaxial cable for improving shield effectiveness according to claim 1, it is characterised in that the screen layer One side hot melt aluminium foil layer, B alloy wire braiding layer and the non-stick junction type two sides aluminium foil layer coated successively including from-inner-to-outer, it is described One side hot melt aluminium foil layer and non-stick junction type two sides aluminium foil layer is corrugated is fixed on cable body.
A kind of 6. Anti-pressure coaxial cable for improving shield effectiveness according to claim 5, it is characterised in that the non-adherent The outside of type two sides aluminium foil layer is additionally provided with the second braiding layer, and second braiding layer is wicking braiding layer.
A kind of 7. Anti-pressure coaxial cable for improving shield effectiveness according to claim 1, it is characterised in that the outer conductor For turning part, punching point makes insulator and outer conductor close-fitting on the outer conductor, and the insulator is provided with multiple size shapes The through hole of identical axial direction.
A kind of 8. Anti-pressure coaxial cable for improving shield effectiveness according to claim 1, it is characterised in that the inner wire For copper core or tin plating copper core or silver-plated copper core.
A kind of 9. Anti-pressure coaxial cable for improving shield effectiveness according to claim 1, it is characterised in that the connector The external diameter of middle jack is 5.00-5.05 mm, and the internal diameter of the metal sleeve is 6.35-6.40 mm, and the metal sleeve is hit by a bullet The thickness of property gum cover is 0.50-1.00 mm.
A kind of 10. Anti-pressure coaxial cable for improving shield effectiveness according to claim 1, it is characterised in that the metal Sleeve pipe forms six faces with cable body outer surface by riveting hexagonal, and cambered surface, and the radial direction of metal sleeve are recessed into each face Section is regular hexagon.
CN201621465903.8U 2016-12-29 2016-12-29 A kind of Anti-pressure coaxial cable for improving shield effectiveness Active CN206697615U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111836496A (en) * 2020-08-06 2020-10-27 陈斌 Thing networking equipment rack

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111836496A (en) * 2020-08-06 2020-10-27 陈斌 Thing networking equipment rack

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