CN211906988U - Torsion-resistant protective sleeve fracture type four-core insulated cable - Google Patents
Torsion-resistant protective sleeve fracture type four-core insulated cable Download PDFInfo
- Publication number
- CN211906988U CN211906988U CN202020825847.4U CN202020825847U CN211906988U CN 211906988 U CN211906988 U CN 211906988U CN 202020825847 U CN202020825847 U CN 202020825847U CN 211906988 U CN211906988 U CN 211906988U
- Authority
- CN
- China
- Prior art keywords
- core
- layer
- insulated cable
- wire
- twist
- 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.)
- Expired - Fee Related
Links
- 230000001681 protective effect Effects 0.000 title claims description 11
- 229920005989 resin Polymers 0.000 claims abstract description 47
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 39
- 229910052802 copper Inorganic materials 0.000 claims abstract description 39
- 239000010949 copper Substances 0.000 claims abstract description 39
- 239000011347 resin Substances 0.000 claims abstract description 39
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 22
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 22
- 239000004743 Polypropylene Substances 0.000 claims abstract description 12
- -1 polypropylene Polymers 0.000 claims abstract description 12
- 229920001155 polypropylene Polymers 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 9
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229920001684 low density polyethylene Polymers 0.000 claims abstract description 5
- 239000004702 low-density polyethylene Substances 0.000 claims abstract description 5
- 229910000077 silane Inorganic materials 0.000 claims abstract description 5
- 238000004804 winding Methods 0.000 claims description 17
- 238000009941 weaving Methods 0.000 claims description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 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
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims 1
- 230000017105 transposition Effects 0.000 abstract description 7
- 239000004020 conductor Substances 0.000 abstract description 6
- 238000004132 cross linking Methods 0.000 abstract description 2
- 241001391944 Commicarpus scandens Species 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 206010016256 fatigue Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a resistant four-core insulated cable of turn round lag fracture type arranges four insulation core, a plurality of polypropylene resin medium pipe and a plurality of PFA resin heart yearn and transposition jointly around a polypropylene resin center medium pipe periphery and constitutes the cable core, the outside of cable core is wrapped PTFE outward in proper order and is wrapped covering and oversheath, insulation core includes to arrange a plurality of tin-plated copper strands and transposition with one heart jointly around a PFA resin center heart yearn periphery and constitutes the line core, outside wrapping PTFE in proper order of line core is wrapped covering, silane grafting crosslinking low density polyethylene insulating layer, metal woven shield and fluororesin area around the covering, take the lid around the package structure and around the package direction and the line core hank is the same around the covering in the PTFE. The cable has good flexibility and torsion resistance, reduces the phenomenon of conductor disconnection, is not easy to break the sheath, and is durable in use.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to a resistant four-core insulated cable of turning round lag fracture type.
Background
Electromagnetic noise environments tend to be quite complex in industrial applications, and the radiation or conduction (EMI) of electromagnetic noise can significantly interfere with the proper operation of electromechanical devices. In this process, an important carrier for electromagnetic noise propagation is various cables used in production line equipment. Some of them are noise sources and some are disturbed objects. One very important way to combat electromagnetic noise interference on electrical lines is to use shielded cables. The multi-core shielded cable is generally used for machine equipment, a mobile driving system and the like, and in the process of developing and manufacturing the multi-core cable in the direction of light weight and small diameter, cost reduction, durable use and the like need to be considered, the cable is usually designed for application occasions requiring high-degree bending, bending and continuous motion, conductor breakage and shielding layer breakage phenomena easily occur in the process of bending and torsional deformation of the cable, the electrical shielding characteristics are influenced, particularly the cable is easy to wrinkle at a stress concentration position, and then the internal stress of the cable is further pressed, the internal conductor is easily subjected to early fatigue breakage, the tensile yield stress of a sheath is low, and when the stress exceeds a limit, the sheath breakage phenomenon is further caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art not enough, the technical problem that solve provides a resistant four-core insulated cable of turning round lag fracture type, has good pliability, resistant turning round characteristic, reduces the conductor phenomenon of breaking a string, and the sheath is difficult for appearing the fracture, durable use.
The utility model discloses a make above-mentioned technical problem solve through following technical scheme.
Torsion-resistant lag fracture type four-core insulated cable arranges four insulation core wires, a plurality of polypropylene resin medium pipe and a plurality of PFA resin heart yearn and transposition jointly around a polypropylene resin center medium pipe periphery and constitutes the cable core, the outside of cable core wraps PTFE outward in proper order and wraps covering and oversheath, insulation core includes that it constructs the line core to arrange a plurality of tin-plated copper strands and transposition concentrically jointly around a PFA resin center heart yearn periphery, the line core outside wraps PTFE in proper order around covering, silane grafting crosslinking low density polyethylene insulating layer, metal woven shield and fluororesin area around the covering, it takes the lid to wrap the structure and around the covering direction and the line core twists to the same for PTFE resin area around the covering in the PTFE.
Preferably, the tinned copper stranded wire is formed by bundling a plurality of tinned copper monofilaments.
Preferably, the PFA resin core wire and the PFA resin center core wire are each formed by twisting a plurality of PFA resin wires, and the diameter of each PFA resin wire is 0.05mm to 0.08 mm.
Preferably, the PTFE outer wrapping layer is a gap wrapping structure.
Preferably, the outer sheath is a PVC or PE sheath.
Preferably, the outer sheath has a thickness of 0.8mm to 3 mm.
Preferably, the fluorine resin tape-wound clad layer is an FEP, PFA or ETFE resin layer.
Preferably, the metal braided shielding layer is formed by weaving inner layer tin-plated copper monofilaments and outer layer tin-plated copper monofilaments in a reverse spiral winding mode, and the diameter of each inner layer tin-plated copper monofilament is smaller than that of each outer layer tin-plated copper monofilament.
Preferably, the diameters of the inner layer tin-plated copper monofilament and the outer layer tin-plated copper monofilament are both 0.05mm to 0.1 mm.
Preferably, the winding angle is 15 to 35 degrees.
The utility model has the advantages that:
1. through the common transposition of polypropylene resin center medium pipe, polypropylene resin medium pipe and PFA resin heart yearn and four insulation core wires and form the cable core, the pliability is better, and tensile strength increases, reduces the moment of torsion power among the torsional bending process, improves resistant torsion, resistant crooked characteristic, in the PTFE around the covering for the PTFE resin area take the lid around the package structure and around the package direction with the line core body transposition is the same, helps eliminating stress concentration department wrinkling phenomenon, prevents that high torsional bending from causing the sheath fracture, further restraines stress concentration to the inside oppression of cable, prevents that the too early fatigue of inner conductor from breaking, guarantees good electrical characteristics, durable use.
The PFA resin central core wire and the tinned copper stranded wire are concentrically stranded to form a wire core body, the PFA resin is low in conductivity, the high-frequency signal transmission characteristic is favorably improved, the attenuation is small, the PFA resin central core wire can effectively bear lateral pressure during bending, the bending resistance is greatly improved, and the occurrence of conductor breakage is effectively prevented.
3. The metal braided shielding layer is formed by weaving the inner layer tinned copper monofilament and the outer layer tinned copper monofilament in a reverse spiral winding mode, the diameter of the inner layer tinned copper monofilament is smaller than that of the outer layer tinned copper monofilament, the improvement of the flexibility of the cable is facilitated, the braiding density of the inner layer tinned copper monofilament is large, the internal high-frequency signal is prevented from leaking to the outside, the electrical resistance of the outer layer tinned copper monofilament is small, and the interference from external signals is suppressed. And, the diameter of the inner layer tinned copper monofilament is different from that of the outer layer tinned copper monofilament, so that the weaving gap can be effectively reduced, the friction phenomenon generated between the tinned copper monofilaments is greatly reduced, the noise shielding characteristic is improved, the flexibility and the torsion resistance of the cable are increased, and the phenomenon of wire breakage is not easy to occur.
Drawings
FIG. 1 is a schematic cross-sectional structural view of an embodiment of the present application;
fig. 2 is a schematic cross-sectional structure view of an insulated wire core according to an embodiment of the present application.
In the figure: the composite material comprises, by weight, 1-a polypropylene resin central medium pipe, 2-an insulating wire core, 3-a polypropylene resin medium pipe, 4-a PFA resin core wire, 5-a PTFE outer winding layer, 6-an outer sheath, 7-a PFA resin central core wire, 8-a tinned copper stranded wire, 9-a PTFE inner winding layer, 10-a silane grafted cross-linked low-density polyethylene insulating layer, 11-a metal woven shielding layer and 12-a fluororesin tape winding layer.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses resistant four-core insulated cable of turning round lag fracture type around 1 periphery of a polypropylene resin center medium pipe arrange four insulation core 2, a plurality of polypropylene resin medium pipe 3 and a plurality of PFA resin heart yearn 4 and strand jointly and constitute the cable core, the outside of cable core wraps the PTFE outward around covering 5 and oversheath 6 in proper order, specifically speaking, PFA resin heart yearn 4 constitutes for the transposition of a plurality of PFA resin lines, PFA resin line footpath is 0.05mm to 0.08 mm. The PTFE outer wrapping layer 5 preferably adopts a gap wrapping structure. The outer sheath 6 is, for example, a PVC or PE sheath, and further, the outer sheath 6 has a thickness of 0.8mm to 3 mm.
As shown in fig. 2, the insulated wire core 2 includes a plurality of tinned copper stranded wires 8 arranged around a PFA resin central core wire 7 and concentrically stranded together to form a wire core body, the wire core body is sequentially coated with a PTFE inner lapping layer 9, a silane grafted crosslinked low-density polyethylene insulating layer 10, a metal braided shielding layer 11 and a fluororesin tape lapping layer 12, the PTFE inner lapping layer 9 is a PTFE resin tape lapping and wrapping structure, and the lapping direction is the same as the twisting direction of the wire core body. Specifically, the tinned copper stranded wire 8 is formed by twisting a plurality of tinned copper monofilament bundles. The PFA resin central core wire 7 is formed by stranding a plurality of PFA resin wires, and the diameter of each PFA resin wire is 0.05 mm-0.08 mm. The fluorine resin tape is wound around the clad 12 using a FEP, PFA or ETFE resin layer, for example. The metal braided shielding layer 11 is formed by weaving inner layer tin-plated copper monofilaments and outer layer tin-plated copper monofilaments in a reverse spiral winding mode, the diameters of the inner layer tin-plated copper monofilaments are smaller than those of the outer layer tin-plated copper monofilaments, further, the diameters of the inner layer tin-plated copper monofilaments and the outer layer tin-plated copper monofilaments are 0.05mm to 0.1mm, and the winding angle is 15 degrees to 35 degrees.
While the invention has been described with reference to exemplary embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the claims of the present application belong to the protection scope of the present invention.
Claims (10)
1. Resistant four core insulated cable of twist reverse lag fracture type, characterized by: four insulation wire cores (2), a plurality of polypropylene resin medium pipes (3) and a plurality of PFA resin core wires (4) are arranged around the periphery of one polypropylene resin central medium pipe (1) and are jointly stranded to form a cable core, the outside of the cable core is sequentially coated with a PTFE outer winding layer (5) and an outer sheath (6), the insulation wire cores (2) comprise a plurality of tinned copper stranded wires (8) arranged around the periphery of one PFA resin central medium wire (7) and are jointly and concentrically stranded to form a wire core body, the outside of the wire core body is sequentially coated with a PTFE inner winding layer (9), a silane grafted cross-linked low-density polyethylene insulation layer (10), a metal woven shielding layer (11) and a fluororesin tape winding layer (12), and the PTFE inner winding layer (9) is of a PTFE resin tape overlapping structure and is in the winding direction same as the winding direction of the wire core body.
2. The twist-resistant protective jacket rupture type four-core insulated cable according to claim 1, wherein: the tinned copper stranded wire (8) is formed by twisting a plurality of tinned copper monofilament bundles.
3. The twist-resistant protective jacket rupture type four-core insulated cable according to claim 1, wherein: the PFA resin core wire (4) and the PFA resin center core wire (7) are formed by stranding a plurality of PFA resin wires, and the diameter of each PFA resin wire is 0.05 mm-0.08 mm.
4. The twist-resistant protective jacket rupture type four-core insulated cable according to claim 1, wherein: the PTFE outer wrapping layer (5) is of a gap wrapping structure.
5. The twist-resistant protective jacket rupture type four-core insulated cable according to claim 1, wherein: the outer sheath (6) is a PVC or PE sheath.
6. The twist-resistant protective jacket rupture type four-core insulated cable according to claim 1, wherein: the thickness of the outer sheath (6) is 0.8mm to 3 mm.
7. The twist-resistant protective jacket rupture type four-core insulated cable according to claim 1, wherein: the fluorine resin tape winding cladding (12) is an FEP, PFA or ETFE resin layer.
8. The twist-resistant protective jacket rupture type four-core insulated cable according to claim 1, wherein: the metal braided shielding layer (11) is formed by weaving inner-layer tin-plated copper monofilaments and outer-layer tin-plated copper monofilaments in a reverse spiral winding mode, and the diameter of each inner-layer tin-plated copper monofilament is smaller than that of each outer-layer tin-plated copper monofilament.
9. The twist-resistant protective jacket rupture type four-core insulated cable according to claim 8, wherein: the diameters of the inner layer tin-plated copper monofilament and the outer layer tin-plated copper monofilament are both 0.05mm to 0.1 mm.
10. The twist-resistant protective jacket rupture type four-core insulated cable according to claim 8, wherein: the winding angle is 15 to 35 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020825847.4U CN211906988U (en) | 2020-05-18 | 2020-05-18 | Torsion-resistant protective sleeve fracture type four-core insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020825847.4U CN211906988U (en) | 2020-05-18 | 2020-05-18 | Torsion-resistant protective sleeve fracture type four-core insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211906988U true CN211906988U (en) | 2020-11-10 |
Family
ID=73270664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020825847.4U Expired - Fee Related CN211906988U (en) | 2020-05-18 | 2020-05-18 | Torsion-resistant protective sleeve fracture type four-core insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211906988U (en) |
-
2020
- 2020-05-18 CN CN202020825847.4U patent/CN211906988U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211906988U (en) | Torsion-resistant protective sleeve fracture type four-core insulated cable | |
| CN216250038U (en) | Bending-resistant and breakage-proof 3-core insulated cable | |
| CN217444117U (en) | Tear-resistant shielding flexible cable | |
| CN214226578U (en) | Multi-core communication cable with differential signal wire core | |
| CN205810417U (en) | A kind of flexible dynamic control of tension is combined reel flat cable | |
| CN210182094U (en) | Thin-diameter anti-distortion multi-core cable | |
| CN111462937A (en) | Tensile-resistant elevator shielding flat cable and preparation method thereof | |
| CN111462936A (en) | Tensile high-frequency multi-core cable and preparation method thereof | |
| CN212010420U (en) | Bending-resistant anti-broken high-frequency multi-core cable | |
| CN216250086U (en) | Small-diameter low-attenuation multi-core communication cable | |
| CN212010526U (en) | Flexible foamed fluororesin insulation multi-core cable | |
| CN212010525U (en) | Anti-torsion thin-diameter multi-core cable | |
| CN212010391U (en) | Stretch-proofing type high frequency multicore cable | |
| CN212161318U (en) | Electrical connection anti-interference multi-core cable of photovoltaic power generation system | |
| CN214312695U (en) | Bending-resistant 4-core insulated cable | |
| CN217008721U (en) | Torsion-resistant durable low-attenuation 4-core shielded cable | |
| CN210325261U (en) | Small-diameter multi-core shielded cable | |
| CN212010392U (en) | Tensile-resistant elevator shielding flat cable | |
| CN217361185U (en) | Light tensile type 4-core shielded cable | |
| CN211455336U (en) | Soft low-temperature-resistant multi-core cable | |
| CN214152506U (en) | Bending-resistant 4-core insulated cable | |
| CN214226575U (en) | Bending-resistant anti-broken 3-core shielded cable | |
| CN217982880U (en) | Wear-resistant tensile 5-core shielded cable | |
| CN212010390U (en) | Flexible anti-broken double-layer shielding coaxial cable | |
| CN216287736U (en) | Bending-resistant light coaxial cable |
Legal Events
| 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: 20201110 |