CN201741498U - Cable structure - Google Patents
Cable structure Download PDFInfo
- Publication number
- CN201741498U CN201741498U CN2010202308758U CN201020230875U CN201741498U CN 201741498 U CN201741498 U CN 201741498U CN 2010202308758 U CN2010202308758 U CN 2010202308758U CN 201020230875 U CN201020230875 U CN 201020230875U CN 201741498 U CN201741498 U CN 201741498U
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- cable
- signal transmission
- transmission unit
- cable structure
- filler
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Abstract
The utility model discloses a cable structure, which comprises a cladding layer and a plurality of signal transmission units arranged inside the cladding layer, wherein each signal transmission unit comprises an optical signal transmission unit and an electrical signal transmission unit, a tensile steel cable is arranged at the center of the cable, the signal transmission units are arranged between the water-resisting cladding layer and the tensile steel cable, and the tensile steel cable and the signal transmission units are separated and positioned mutually through insulating filling material and are fixed in the cladding layer. The tensile steel cable is arranged at the center of the cable, so that the tensile strength of the cable is improved, and the cable has a smaller bending radius; at the same time, a buffer space is arranged on the filling material in the cladding layer, so that the compression strength of the cable is improved; moreover, the signal transmission units are distributed in a multilayered manner, thereby increasing the number of the cores of the cable.
Description
Technical field
The utility model relates to a kind of cable, but especially relates to a kind of cable structure that has high-tensile and be convenient to construct transmitting optical signal or the while transmitting optical signal and the signal of telecommunication.
Background technology
At present, along with development of technology, optical cable is used for field of data transmission in large quantities, is subjected to the restriction of the material behavior of optical fiber in the optical cable own, and there is following defective in existing optical cable: 1. tensile strength is low; 2. minimum radius bend is big, influences the wiring of optical cable; 3. compressive property is poor, and behind the optical cable pressurized, its inner optical fiber ruptures easily.In order to increase the intensity of optical cable, someone is at the outer sheathed metal bellows of optical cable, though this measure can improve the compression strength and the tensile strength of optical cable, but can increase the manufacture difficulty of optical cable simultaneously, increase manufacturing cost, and need the metal bellows on special instrument cutting optical cable top layer in use, and the otch of metal bellows causes damage to optical cable easily.
A kind of disclosed on Chinese patent literature " Armoured cable "; notification number is CN2419667Y; what this utility model related to is a kind of cable structure with snakeskin shape metal protection protector; can be used for optical fiber cable, public telephone cable, various device lead cable etc.; this Armoured cable is made of sheath and core; the full complex and spiral tubular construction that the sheath on its top layer is made up of the long pin S of inflection shape ring helps improving the tensile strength of cable, and makes it have stronger pliability, durability and flexibility.But still there be difficulty, the awkward problem made in above-mentioned cable structure.
The utility model content
The purpose of this utility model is that the existing intensity of existing cable configuration is low, bending radius is big in order to overcome, and manufacturing and awkward defective, provides that a kind of intensity height, bending radius are little, easy to use, the cable structure of low cost of manufacture.
To achieve these goals, the utility model is by the following technical solutions: a kind of cable structure, the some signal transmission units that comprise coating layer and its inside, this cable structure also comprises the tension cable wire that is positioned at the cable center, described signal transmission unit is laid between the coating layer and tension cable wire of water proof, and the filler by insulation is separated from each other the location with tension cable wire and signal transmission unit and is fixed in the coating layer.Cable wire has high tensile strength and fabulous pliability, the utility model has changed existing cable configuration, the tension cable wire that will be used to strengthen is arranged on the center of cable, can improve the tensile strength and the bending property of cable significantly, help reducing the bending radius of cable, make things convenient for the wiring setting of cable.Simultaneously, because its top layer does not have the metal sleeve of bellows, flexible metal conduit one class, therefore, need not special-purpose cutting tool in use, and can simplify the processing of otch, thereby be very easy to the construction of cable.Coating layer adopts the water proof material to make, and can avoid moisture to invade cable inside, and the filler of insulation both can make tension cable wire and signal transmission unit be separated from each other the location, can avoid the short circuit between each signal transmission unit again.
As preferably, have cushion space on the described filler, described signal transmission unit is positioned in the cushion space by the pliable and tough fender that is coated on lateral surface.When cable is subjected to the external force extruding, extruding force at first directly acts on the filler, the signal transmission unit in cushion space of " hiding " can avoid being subjected to the direct extruding of external force, the suffered extruding force of distortion absorbable thread cable by cushion space, and the fender that is coated on the signal transmission unit lateral surface also has the effect of compensator or trimmer pressure, therefore can improve the compression strength of cable significantly; And coat the bending strength that pliable and tough fender also helps improving signal transmission unit at the signal transmission unit lateral surface; Described fender can adopt fills cotton thread or the anti-nylon yarn that draws, and its price is low, and has and cushion the bending resistance effect preferably.
As preferably, the inboard of described coating layer is provided with insulating barrier, to improve the insulation property of cable; And between insulating barrier and filler, be provided with fender, thereby can avoid the adhesion between insulating barrier and the filler, be convenient to the wire stripping construction of cable, and help improving the buffering effect of cable when being squeezed.
As preferably, described signal transmission unit comprises optical signal transmission unit and signal of telecommunication transmission unit, makes cable can transmit the light signal and the signal of telecommunication simultaneously; Described signal transmission unit is evenly laid around the tension cable wire, help signal transmission unit stressed evenly.
As preferably, described signal transmission unit is the multilayer laying structure, separates with insulating barrier between every layer signal transmission unit, thereby can improve the core number of cable widely.
As preferably, described tension cable wire adopts multistrand rope.The single cable wire ratio that multistrand rope is long-pending with same cross-sectional, its tensile strength is identical, has better pliability simultaneously, thereby makes cable have littler radius bend.
Therefore, the utlity model has following beneficial effect: (1) cable center is provided with the tension cable wire, improves the tensile strength of cable, and has less bending radius; (2) on the filler in coating layer cushion space is set, has improved the compression strength of cable significantly; (3) the signal transmission unit multilayer is laid, and improves the core number of cable.
Description of drawings
Fig. 1 is embodiment 1 cross sectional representation that signal transmission unit adopts single layer structure in the utility model;
Fig. 2 is the cross sectional representation behind the removal fender among Fig. 1;
Fig. 3 is that signal transmission unit adopts double-deck embodiment 2 cross sectional representation in the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Embodiment 1: in embodiment as shown in Figure 1, a kind of cable structure of the present utility model comprises several signal transmission units 5 of outermost coating layer 1 and its inside, coating layer can adopt the PVC of water proof or PU material to make, the center of cable is for adopting the high strength tension cable wire 6 of multistrand rope coiled, signal transmission unit 5 is evenly laid around the tension cable wire, and be separated from each other, simultaneously, the pliable and tough fender 3 of lateral surface parcel at signal transmission unit, fender can adopt fills cotton thread or the anti-nylon yarn that draws, between tension cable wire and each signal transmission unit, fill filler 4 is arranged, filler can adopt the insulating material as PE one class, and filler is separated from each other each signal transmission unit and tension cable wire and locate.Simultaneously, because of the lateral surface of signal transmission unit is enclosed with fender, is cushioned material between filler and each signal transmission unit and separates and form as shown in Figure 2 cushion space 41 thereby make.In addition, the insulating barrier 2 of medial surface at coating layer for adopting PE one class insulating material to make, and between insulating barrier and its inner filler, separate with fender 3, so that cable peeling off at when construction insulating barrier, certainly, for avoiding inter-adhesive between insulating barrier and the filler, filler can be selected the insulating material different with insulating barrier for use.Further, but signal transmission unit is the optical fiber of transmitting optical signal, and certainly, signal transmission unit also can comprise the lead that is used for transmission of electric signals, makes cable can transmit the light signal and the signal of telecommunication simultaneously.
Embodiment 2: in order to increase the core number of signal transmission unit in the cable, signal transmission unit of the present utility model can adopt double-deck laying structure as shown in Figure 3, promptly outside the signal transmission unit 5 of ground floor, adopt foregoing mode to lay one deck signal transmission unit 5 again, its concrete structure is as follows: at first lay one deck signal transmission unit 5 more equably in the outside of the insulating barrier 2 of ground floor, as hereinbefore, the pliable and tough fender 3 of lateral surface parcel at signal transmission unit 5, and between each signal transmission unit, separate the location with filler 4, filler forms cushion space 41 in the fender joint with each signal transmission unit, then, coat the insulating barrier 2 of the second layer in its outside, separate equally between the insulating barrier of the second layer and its inner filler, and coat the coating layer 1 of one deck water proof at outermost layer with fender 3.According to the actual needs, signal transmission unit can be arranged to more multi-layered structure, and its laying mode and structure are seldom done narration at this as hereinbefore.
Cable of the present utility model will be owing to will strengthen the center that the tension cable wire of usefulness is arranged on cable, both strengthened the tensile strength of cable, help reducing the radius bend of cable again, simultaneously, its skin does not have the hard sheath of metal bellows one class, therefore, wire stripping when being very easy to cable wiring manufacture, and can avoid of the damage of the hard sheath in wire stripping place to cable, and cable is when the extruding that is subjected to external force, owing to have cushion space on the filler, therefore can avoid the direct pressurized of signal transmission unit in the cushion space and impaired, improved the compression strength of cable effectively.
Claims (8)
1. cable structure, the some signal transmission units that comprise coating layer and its inside, it is characterized in that, this cable structure also comprises the tension cable wire (6) that is positioned at the cable center, described signal transmission unit (5) is laid between the coating layer (1) and tension cable wire of water proof, and the filler (4) by insulation is separated from each other the location with tension cable wire and signal transmission unit and is fixed in the coating layer.
2. cable structure according to claim 1 is characterized in that, has cushion space (41) on the described filler, and described signal transmission unit is positioned in the cushion space by the pliable and tough fender (3) that is coated on lateral surface.
3. cable structure according to claim 2 is characterized in that, described fender is for filling cotton thread or the anti-nylon yarn that draws.
4. according to claim 1 or 2 or 3 described cable structures, it is characterized in that the inboard of described coating layer is provided with insulating barrier (2).
5. cable structure according to claim 4 is characterized in that, is provided with fender between described insulating barrier and the filler.
6. cable structure according to claim 1 is characterized in that, described signal transmission unit comprises optical signal transmission unit and signal of telecommunication transmission unit, and it is evenly laid around the tension cable wire.
7. cable structure according to claim 6 is characterized in that, described signal transmission unit is the multilayer laying structure, separates with insulating barrier between every layer signal transmission unit.
8. cable structure according to claim 1 is characterized in that, described tension cable wire adopts multistrand rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202308758U CN201741498U (en) | 2010-06-21 | 2010-06-21 | Cable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202308758U CN201741498U (en) | 2010-06-21 | 2010-06-21 | Cable structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201741498U true CN201741498U (en) | 2011-02-09 |
Family
ID=43556776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202308758U Expired - Lifetime CN201741498U (en) | 2010-06-21 | 2010-06-21 | Cable structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201741498U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104766673A (en) * | 2015-04-03 | 2015-07-08 | 江苏南方通信科技有限公司 | High strength optical fiber composite low-voltage cable and preparing technology |
| CN111029003A (en) * | 2019-12-27 | 2020-04-17 | 安徽国电电缆股份有限公司 | Insulating flexible power cable suitable for high-altitude use environment |
-
2010
- 2010-06-21 CN CN2010202308758U patent/CN201741498U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104766673A (en) * | 2015-04-03 | 2015-07-08 | 江苏南方通信科技有限公司 | High strength optical fiber composite low-voltage cable and preparing technology |
| CN111029003A (en) * | 2019-12-27 | 2020-04-17 | 安徽国电电缆股份有限公司 | Insulating flexible power cable suitable for high-altitude use environment |
| CN111029003B (en) * | 2019-12-27 | 2021-05-11 | 安徽国电电缆股份有限公司 | Insulating flexible power cable suitable for high-altitude use environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110209 |