CN109637711B - Anti-extrusion flexible cable - Google Patents
Anti-extrusion flexible cable Download PDFInfo
- Publication number
- CN109637711B CN109637711B CN201811286717.1A CN201811286717A CN109637711B CN 109637711 B CN109637711 B CN 109637711B CN 201811286717 A CN201811286717 A CN 201811286717A CN 109637711 B CN109637711 B CN 109637711B
- Authority
- CN
- China
- Prior art keywords
- layer
- elasticity
- becket
- silica gel
- cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000741 silica gel Substances 0.000 claims abstract description 16
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 16
- 239000003063 flame retardant Substances 0.000 claims abstract description 7
- 239000008187 granular material Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 abstract description 65
- 239000002184 metal Substances 0.000 abstract description 32
- 239000002245 particle Substances 0.000 abstract description 29
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 5
- 239000011241 protective layer Substances 0.000 abstract description 4
- 239000002356 single layer Substances 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Insulated Conductors (AREA)
Abstract
The invention provides an anti-extrusion flexible cable which comprises a wire core, an insulating layer, a flame-retardant layer, a metal ring layer, an elastic particle layer, a wrapping layer and an outer protective layer, wherein the wire core, the insulating layer, the flame-retardant layer, the metal ring layer, the elastic particle layer, the wrapping layer and the outer protective layer are arranged from inside to outside, the metal ring layer comprises metal rings and flexible films connected among the metal rings, the elastic particle layer comprises a plurality of elastic silica gel particles which are arranged in a single layer, the elastic particle layer is filled on the flexible films among the metal rings, and the wrapping layer is tightly arranged around. This anti extruded flexible cable is through setting up elasticity grained layer and becket layer, and the flexibility of reinforcing flexible cable guarantees again simultaneously that the cable has sufficient rigidity.
Description
Technical Field
The invention relates to a flexible cable, in particular to an anti-extrusion flexible cable.
Background
The cable is generally composed of a metal cable core and a high-strength insulating covering layer covering the metal cable core, is relatively compact, has high strength, can resist tension and has high bending resistance, but the compressive resistance is generally poor, and when local pressure is applied, force can be accurately transmitted to the metal cable core due to the compact cable structure, so that the metal cable core is easily crushed.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides an anti-extrusion flexible cable which is good in flexibility, stronger in pressure resistance and guaranteed in strength.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides an anti extruded flexible cable, includes from inside to outside sinle silk, insulating layer, fire-retardant layer, becket layer, elastic particle layer, around covering and outer jacket that set up, the becket layer includes becket and connects the flexible film between each becket, elastic particle layer includes the elastic silica gel granule that a plurality of individual layers were arranged, elastic particle layer fills on the flexible film between each becket, tightly wind around the covering elastic particle layer sets up.
Basically, the gaps between the layers of elastomeric particles are filled with a low melting point glass powder.
Basically, the elastic particle layer comprises a plurality of elastic silica gel particles and silk threads stringing the elastic silica gel particles, and the length of each elastic silica gel particle strung by the silk threads is 3-5 m.
Basically, the elastic silica gel particles strung by the silk threads are spirally wound outside the metal ring layer.
Compared with the prior art, the invention has outstanding substantive characteristics and remarkable progress, and particularly, the metal ring layer and the elastic granular layer are added in the cable layer, the metal ring of the metal ring layer and the flexible film are connected to form a structure similar to a joint, so that the cable can be bent easily, but the metal ring layer can firstly bear pressure when bearing the pressure, in addition, the size of the cable needs to be considered, the space constructed by the metal ring layer is limited, after the elastic granular layer is added, part of the pressure is borne and diffused by the elastic granular layer, and the pressure is not completely transmitted to the cable at one point in part but diffused to the periphery within a certain range due to the granular arrangement of the elastic granules, so that the pressure resistance of the cable is ensured.
Drawings
Fig. 1 is a schematic cross-sectional view of a flexible cable resistant to crushing in the present invention.
Fig. 2 is a schematic view of the structure of the metal ring layer of the flexible cable of the present invention.
In the figure: 1. a wire core; 2. an insulating layer; 3. a flame retardant layer; 4. a metal ring layer; 4-1. a metal ring; 4-2. a flexible film; 5. an elastomeric particle layer; 6. wrapping a covering; 7. an outer jacket.
Detailed Description
The technical solution of the present invention is further described in detail by the following embodiments.
Example 1
As shown in fig. 1 and 2, an anti-extrusion flexible cable comprises a wire core 1, an insulating layer 2, a flame-retardant layer 3, a metal ring layer 4, an elastic particle layer 5, a wrapping layer 6 and an outer protective layer 7, wherein the wire core 1, the insulating layer 2, the flame-retardant layer 3, the metal ring layer 4, the elastic particle layer 5, the wrapping layer 6 and the outer protective layer 7 are arranged from inside to outside, the metal ring layer 4 comprises a metal ring 4-1 and a flexible film 4-2 connected between the metal rings 4-1, the elastic particle layer 5 comprises a plurality of elastic silica gel particles arranged in a single layer, the elastic particle layer is filled in the flexible film 4-2 between the metal rings 4-1, and the wrapping layer.
The metal ring layer 4 has two functions, the first is compression resistance, when the cable is compressed, the metal ring layer 4 is firstly under the action of pressure, the cable is prevented from being directly compressed, the annular structure has strong deformation resistance, and the deformation resistance of the cable is improved; and secondly, the cable is easy to bend, the cable is often required to be bent, and the flexible film 4-2 and the metal ring 4-1 in the metal ring layer 4 form a joint-like structure in the bending process, so that the bending action is not hindered, and the bending capability of the cable is ensured.
The main effect of the elastic particle layer 5 is to supplement the metal ring layer 4, and in the part between the metal rings 4-1, the pressure that the elastic particle layer 5 will receive is diffused, the point pressure is diffused to the surface pressure, the local pressure is reduced, and the pressure resistance is improved.
Example 2
This example differs from example 1 in that: the gaps between the layers of elastomeric particles are filled with low melting point glass powder, making the structure more tamped.
Example 3
This example differs from example 1 in that: the elastic particle layer comprises a plurality of elastic silica gel particles and silk threads stringing the elastic silica gel particles, the length of each elastic silica gel particle strung by the silk threads is 3-5m, and the elastic silica gel particles strung by the silk threads are spirally wound outside the metal ring layer.
The spiral array type LED lamp has the main effects of convenience in molding and installation and more sufficient coverage area due to the spiral arrangement mode.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (1)
1. An anti-extrusion flexible cable, comprising: it includes sinle silk, insulating layer, fire-retardant layer, becket layer, elasticity grained layer that from interior and outer setting, the becket layer includes becket and connects the flexible film between each becket, the elasticity grained layer includes the elasticity silica gel granule that a plurality of individual layers were arranged, the elasticity grained layer is filled on the flexible film between each becket, tightly wind around the layer the elasticity grained layer sets up, clearance between the elasticity grained layer is filled by the glass powder of low melting point, the elasticity grained layer includes a plurality of elasticity silica gel granules and the silk thread of each elasticity silica gel granule of having a string, and every length by the elasticity silica gel granule of silk thread string is 3-5m, and the elasticity silica gel granule spiral of each silk thread string is around establishing the outside on becket layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286717.1A CN109637711B (en) | 2018-10-31 | 2018-10-31 | Anti-extrusion flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286717.1A CN109637711B (en) | 2018-10-31 | 2018-10-31 | Anti-extrusion flexible cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109637711A CN109637711A (en) | 2019-04-16 |
| CN109637711B true CN109637711B (en) | 2020-06-26 |
Family
ID=66067040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811286717.1A Active CN109637711B (en) | 2018-10-31 | 2018-10-31 | Anti-extrusion flexible cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109637711B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2315954A1 (en) * | 1973-03-30 | 1974-10-10 | Eilentropp Heinz | FLEXIBLE PEARL TUBE |
| DE3201076A1 (en) * | 1982-01-14 | 1983-07-21 | Siemens AG, 1000 Berlin und 8000 München | Elongated material which is protected against biting by rodents |
| CN105810329A (en) * | 2016-04-28 | 2016-07-27 | 江苏宇讯线缆有限公司 | Reinforced polyvinyl chloride insulated cable |
| CN207834003U (en) * | 2018-02-12 | 2018-09-07 | 安徽华源电缆集团有限公司 | A kind of naval vessel stretch-proof control cable |
| CN207852341U (en) * | 2017-12-15 | 2018-09-11 | 南昌新华电缆有限公司 | A kind of anti-extrusion composite cable of cable |
-
2018
- 2018-10-31 CN CN201811286717.1A patent/CN109637711B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2315954A1 (en) * | 1973-03-30 | 1974-10-10 | Eilentropp Heinz | FLEXIBLE PEARL TUBE |
| DE3201076A1 (en) * | 1982-01-14 | 1983-07-21 | Siemens AG, 1000 Berlin und 8000 München | Elongated material which is protected against biting by rodents |
| CN105810329A (en) * | 2016-04-28 | 2016-07-27 | 江苏宇讯线缆有限公司 | Reinforced polyvinyl chloride insulated cable |
| CN207852341U (en) * | 2017-12-15 | 2018-09-11 | 南昌新华电缆有限公司 | A kind of anti-extrusion composite cable of cable |
| CN207834003U (en) * | 2018-02-12 | 2018-09-07 | 安徽华源电缆集团有限公司 | A kind of naval vessel stretch-proof control cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109637711A (en) | 2019-04-16 |
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