CN214897675U - Small-diameter breakage-proof 5-core insulated cable - Google Patents
Small-diameter breakage-proof 5-core insulated cable Download PDFInfo
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- CN214897675U CN214897675U CN202121499103.9U CN202121499103U CN214897675U CN 214897675 U CN214897675 U CN 214897675U CN 202121499103 U CN202121499103 U CN 202121499103U CN 214897675 U CN214897675 U CN 214897675U
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- 239000004020 conductor Substances 0.000 claims abstract description 30
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000835 fiber Substances 0.000 claims abstract description 16
- 229920000728 polyester Polymers 0.000 claims abstract description 16
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 claims abstract description 12
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims abstract description 10
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims abstract description 10
- 229920001778 nylon Polymers 0.000 claims abstract description 9
- 229920002635 polyurethane Polymers 0.000 claims abstract description 9
- 239000004814 polyurethane Substances 0.000 claims abstract description 9
- 229920006172 Tetrafluoroethylene propylene Polymers 0.000 claims abstract description 8
- 229920001973 fluoroelastomer Polymers 0.000 claims abstract description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 4
- QHSJIZLJUFMIFP-UHFFFAOYSA-N ethene;1,1,2,2-tetrafluoroethene Chemical compound C=C.FC(F)=C(F)F QHSJIZLJUFMIFP-UHFFFAOYSA-N 0.000 claims description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- 238000009422 external insulation Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 abstract description 5
- 239000000853 adhesive Substances 0.000 abstract description 4
- 230000001070 adhesive effect Effects 0.000 abstract description 4
- 238000005253 cladding Methods 0.000 abstract description 3
- 238000009941 weaving Methods 0.000 abstract description 3
- 238000007334 copolymerization reaction Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 48
- 239000012790 adhesive layer Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000009776 industrial production 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
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
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Abstract
The utility model discloses a thin footpath prevents 5 core insulated cable of broken string, twist jointly around a central tensile nylon fiber rope and form the cable core including five insulation core, the cable core outside cladding has the polyester fiber plain weave in proper order around the covering, shielding mesh conductor layer, the polyester fiber plain weave winds the covering outward, AFRP weaving layer and tetrafluoroethylene propylene copolymerization fluororubber layer, insulation core includes the inner conductor, thermoplastic polyurethane adhesive linkage, polyurethane inner insulating layer, shielding layer and ETFE outer insulating layer are woven to the copper wire, the inner conductor outer diameter is no more than 0.08mm, thermoplastic polyurethane adhesive linkage thickness is 2 mu m to 5 mu m, the shielding layer thickness is woven to the copper wire is 0.02mm to 0.045mm, ETFE outer insulating layer thickness is 0.025mm to 0.05 mm. The cable has good flexibility and bending resistance on the premise of small-diameter manufacturing, reduces the occurrence of wire breakage and core breakage, and is durable in use.
Description
Technical Field
The application relates to the technical field of cables, in particular to a thin-diameter anti-broken 5-core insulated cable.
Background
In an automatic industrial production line, for example, electrical connection and control of robots, electronic machines and the like need to be applied to a multi-core cable with good flexibility, under the trend of miniaturization development of robots, the cable is also developed towards diameter reduction and flexibility, which puts higher requirements on the multi-core cable, and under the premise of diameter reduction manufacturing, the multi-core cable needs to have better flexibility, voltage resistance and noise shielding performance.
SUMMERY OF THE UTILITY MODEL
This application is not enough to prior art, and the technical problem that solve provides a thin footpath prevents disconnected 5 core insulated cable, under thin footpath ization preparation prerequisite, has good pliability and anti bending property, is of value to and reduces disconnected core phenomenon of broken string and takes place, and noise shielding performance is stable, durable use.
The present application solves the above-mentioned problems by the following technical solutions.
Thin footpath prevents 5 core insulated cable of broken string, includes that five insulation core twine around a central tensile nylon fiber rope transposition jointly forms the cable core, the cable core outside in proper order the cladding have the polyester fiber plain weave in around covering, shielding mesh conductor layer, polyester fiber plain weave outward around covering, AFRP weaving layer and tetrafluoroethylene propylene copolymerization fluororubber layer, insulation core includes the inner conductor and cladding in proper order the shielding layer and ETFE outer insulating layer are woven to the outside thermoplastic polyurethane adhesive linkage of inner conductor, polyurethane inner insulating layer, copper wire, the inner conductor external diameter is no longer than 0.08mm, thermoplastic polyurethane adhesive linkage thickness is 2 mu m to 5 mu m, the shielding layer thickness is woven to the copper wire is 0.02mm to 0.045mm, ETFE outer insulating layer thickness is 0.025mm to 0.05 mm.
Preferably, the inner conductor has an outer diameter of 0.02mm to 0.04 mm.
Preferably, the thickness of the polyurethane inner insulating layer is 1.25 to 2 times that of the ETFE outer insulating layer.
Preferably, the copper wire braided shielding layer is formed by mixing two tinned copper wires with different diameters in a unidirectional spiral winding mode.
Preferably, the thickness of the polyester fiber plain weave cloth inner wrapping layer and the thickness of the polyester fiber plain weave cloth outer wrapping layer are both 0.1mm to 0.2 mm.
Preferably, the tetrafluoroethylene-propylene copolymerized fluorine rubber layer is 0.2mm to 0.3mm in thickness.
Preferably, the central tensile nylon fiber rope is externally coated with an ETFE resin tape wrapping layer.
Preferably, the shielding mesh conductor layer is formed by mixing and spirally winding two tinned copper wires with different wire diameters and a wire diameter ratio of 0.9-1.
Preferably, the diameter of the tin-plated copper wire used for the shielding mesh conductor layer is 0.01mm to 0.03mm, and the helix angle is 40 degrees to 55 degrees.
Preferably, the lay length of the cable core is 10 to 15 times of the outer diameter of the insulated wire core.
The beneficial effect of this application:
1. the thermoplastic polyurethane adhesive layer enables the inner conductor and the polyurethane inner insulating layer to be better hot-melt and closely fit, the flexibility of the inner conductor with the outer diameter not more than 0.08mm is greatly improved, the bending resistance is excellent, the inner conductor is not easy to deform and break wires and cores in the bending process, and the inner conductor is durable in use.
2. The cable core formed by twisting the central tensile nylon fiber rope and the five insulation wire cores together is capable of better bearing lateral pressure when the cable is bent, and is beneficial to keeping a circular section of the cable, improving the tensile strength of the cable, having better flexibility and bending resistance, reducing the phenomena of core breaking and wire breaking of the inner conductor and the shielding layer, ensuring stable noise shielding performance and prolonging the service life.
3, the AFRP weaving layer has high strength, high modulus, and ageing resistance is excellent, improves the pliability of cable, reduces the moment of torsion when the cable is crooked, and bending resistance is better, effectively improves the holistic tensile strength of cable, reduces shielding layer disconnection phenomenon, guarantees stable noise shielding performance stability, improves durable use.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of an embodiment of the present application.
Description of reference numerals:
1-an insulating wire core, 2-a central tensile nylon fiber rope, 3-a polyester fiber plain weave inner wrapping layer, 4-a shielding mesh conductor layer, 5-a polyester fiber plain weave outer wrapping layer, 6-an AFRP woven layer, 7-a tetrafluoroethylene propylene copolymerized fluororubber layer, 8-an inner conductor, 9-a thermoplastic polyurethane adhesive layer, 10-a polyurethane inner insulating layer, 11-a copper wire braided shielding layer and 12-an ETFE outer insulating layer.
Detailed Description
The terminology used in the description of the embodiments of the present application is for the purpose of describing particular embodiments of the present application only and is not intended to be limiting of the application, as the embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1, the thin-diameter breakage-proof 5-core insulated cable of the embodiment of the application comprises five insulated wire cores 1, wherein the five insulated wire cores are jointly twisted around a central tensile nylon fiber rope 2 to form a cable core, and further, the central tensile nylon fiber rope 2 is externally coated with an ETFE resin tape wrapping layer. The cable core is externally sequentially coated with a polyester fiber plain weave inner wrapping layer 3, a shielding mesh conductor layer 4, a polyester fiber plain weave outer wrapping layer 5, an AFRP woven layer 6 and a tetrafluoroethylene propylene copolymer fluororubber layer 7, the thicknesses of the polyester fiber plain weave inner wrapping layer 3 and the polyester fiber plain weave outer wrapping layer 5 are preferably 0.1mm to 0.2mm, and the thickness of the tetrafluoroethylene propylene copolymer fluororubber layer 7 is preferably 0.2mm to 0.3 mm. In one embodiment, the shielding mesh conductor layer 4 is formed by mixing and spirally winding two kinds of tinned copper wires with different wire diameters and a wire diameter ratio of 0.9 to 1, further, the wire diameter of the tinned copper wire is 0.01mm to 0.03mm, and the spiral angle is 40 degrees to 55 degrees. The lay length of the cable core is preferably 10 to 15 times of the outer diameter of the insulated wire core 1.
The insulated wire core 1 comprises an inner conductor 8, and a thermoplastic polyurethane bonding layer 9, a polyurethane inner insulating layer 10, a copper wire braided shielding layer 11 and an ETFE outer insulating layer 12 which are sequentially coated outside the inner conductor 8. The outer diameter of the inner conductor 8 is not more than 0.08mm, and preferably, the outer diameter of the inner conductor 8 is 0.02mm to 0.04 mm. The thickness of the thermoplastic polyurethane adhesive layer 9 is 2 μm to 5 μm. The thickness of the copper wire braided shielding layer 11 is 0.02mm to 0.045mm, and in one embodiment, the copper wire braided shielding layer 11 is formed by mixing two tinned copper wires with different diameters in a unidirectional spiral winding mode. The thickness of the ETFE outer insulating layer 12 is 0.025mm to 0.05mm, and further, the thickness of the polyurethane inner insulating layer 10 is 1.25 to 2 times that of the ETFE outer insulating layer 12.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present application, and are used for illustrating the technical solutions of the present application, but not limiting the same, and the scope of the present application is not limited thereto, and although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope disclosed in the present application; such modifications, changes or substitutions do not depart from the spirit and scope of the exemplary embodiments of the present application, and are intended to be covered by the scope of the present application.
Claims (10)
1. The thin-diameter anti-broken wire 5-core insulated cable is characterized in that: comprises five insulated wire cores (1) which are twisted together around a central tensile nylon fiber rope (2) to form a cable core, the cable core is coated with a polyester fiber plain weave inner wrapping layer (3), a shielding mesh conductor layer (4), a polyester fiber plain weave outer wrapping layer (5), an AFRP woven layer (6) and a tetrafluoroethylene-propylene copolymer fluorine rubber layer (7) in sequence, the insulated wire core (1) comprises an inner conductor (8), and a thermoplastic polyurethane bonding layer (9), a polyurethane inner insulating layer (10), a copper wire braided shielding layer (11) and an ETFE outer insulating layer (12) which are sequentially coated outside the inner conductor (8), the outer diameter of the inner conductor (8) is not more than 0.08mm, the thickness of the thermoplastic polyurethane bonding layer (9) is 2-5 mu m, the thickness of the copper wire braided shielding layer (11) is 0.02mm to 0.045mm, the thickness of the ETFE external insulation layer (12) is 0.025mm to 0.05 mm.
2. The small-diameter breakage-preventing 5-core insulated cable according to claim 1, characterized in that: the outer diameter of the inner conductor (8) is 0.02mm to 0.04 mm.
3. The small-diameter breakage-preventing 5-core insulated cable according to claim 1, characterized in that: the thickness of the polyurethane inner insulating layer (10) is 1.25 to 2 times of that of the ETFE outer insulating layer (12).
4. The small-diameter breakage-preventing 5-core insulated cable according to claim 1, characterized in that: the copper wire braided shielding layer (11) is formed by mixing two tinned copper wires with different diameters in a unidirectional spiral winding mode.
5. The small-diameter breakage-preventing 5-core insulated cable according to claim 1, characterized in that: the thickness of the polyester fiber plain weave cloth inner wrapping layer (3) and the thickness of the polyester fiber plain weave cloth outer wrapping layer (5) are both 0.1mm to 0.2 mm.
6. The small-diameter breakage-preventing 5-core insulated cable according to claim 1, characterized in that: the thickness of the tetrafluoroethylene-propylene copolymerized fluororubber layer (7) is 0.2mm to 0.3 mm.
7. The small-diameter breakage-preventing 5-core insulated cable according to claim 1, characterized in that: the central tensile nylon fiber rope (2) is coated with an ETFE resin tape wrapping layer.
8. The small-diameter breakage-preventing 5-core insulated cable according to claim 1, characterized in that: the shielding mesh conductor layer (4) is formed by mixing and spirally winding two tinned copper wires with different wire diameters and the wire diameter ratio of 0.9-1.
9. The small-diameter breakage-preventing 5-core insulated cable according to claim 8, wherein: the diameter of a tinned copper wire adopted by the shielding mesh conductor layer (4) is 0.01mm to 0.03mm, and the spiral angle is 40 degrees to 55 degrees.
10. The small-diameter breakage-preventing 5-core insulated cable according to claim 1, characterized in that: the lay length of the cable core is 10-15 times of the outer diameter of the insulated wire core (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121499103.9U CN214897675U (en) | 2021-07-02 | 2021-07-02 | Small-diameter breakage-proof 5-core insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121499103.9U CN214897675U (en) | 2021-07-02 | 2021-07-02 | Small-diameter breakage-proof 5-core insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214897675U true CN214897675U (en) | 2021-11-26 |
Family
ID=78929318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121499103.9U Expired - Fee Related CN214897675U (en) | 2021-07-02 | 2021-07-02 | Small-diameter breakage-proof 5-core insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214897675U (en) |
-
2021
- 2021-07-02 CN CN202121499103.9U patent/CN214897675U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211126 |