CN220121510U - Bending-resistant flexible cable and high-flexibility net wire - Google Patents
Bending-resistant flexible cable and high-flexibility net wire Download PDFInfo
- Publication number
- CN220121510U CN220121510U CN202320846707.9U CN202320846707U CN220121510U CN 220121510 U CN220121510 U CN 220121510U CN 202320846707 U CN202320846707 U CN 202320846707U CN 220121510 U CN220121510 U CN 220121510U
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- Prior art keywords
- wire
- flexible cable
- cable
- insulating layer
- core
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- 238000005452 bending Methods 0.000 title claims abstract description 19
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 239000000945 filler Substances 0.000 claims abstract description 17
- 238000009954 braiding Methods 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 239000004020 conductor Substances 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 238000010382 chemical cross-linking Methods 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 4
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 abstract description 12
- 230000017105 transposition Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 32
- 238000005299 abrasion Methods 0.000 description 4
- 239000011247 coating layer Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a bending-resistant flexible cable and a high-flexibility net wire, which are sequentially provided with an outer coating, an outer insulating layer and an inner core from outside to inside, wherein the outer coating is a flexible outer coating, the outer insulating layer is a metal wire braiding layer, the inner core comprises a signal wire and a ground wire, the signal wire is formed by twisting more than three strands of core wires and a filler, and each strand of core wires is spirally wound on the periphery of the filler. According to the utility model, the outer coating is a flexible outer coating, and the metal wire braiding layer is arranged outside the inner side of the outer coating as an insulating layer, so that the overall flexibility of the cable can be improved, the radial deformation resistance of the cable can be enhanced, and the bending resistance of the cable can be enhanced; through setting the signal line of cable into stranded heart yearn and filler transposition structure, can promote the bending resistance and the deformation resistance ability of signal line and inner core to can furthest reduce the wearing and tearing between the heart yearn, avoid or reduce the influence of transposition to signal transmission, the cable has excellent properties such as high gentle bending resistance and signal transmission stability.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a bending-resistant flexible cable and a high-flexibility net wire.
Background
The cable is used as a main medium for short-distance signal transmission and is widely applied to daily life and production and application of products in various fields. With the development of automation technology, cables are required to connect two or more parts which move continuously relative to each other, and meanwhile, continuous and effective signal transmission of the cables is ensured, so that the requirements on mechanical performance and stability of the cables are increasing.
Disclosure of Invention
In view of the above problems in the prior art, the present utility model provides a flexible cable and a high-flexibility net wire, wherein the cable has excellent flexibility, radial resistance and bending resistance, the filler between the inner core wires can slow down the abrasion between the core wires 1, the influence of twisting on signal transmission is avoided or reduced, and the cable has excellent performances such as high flexibility, bending resistance, stable signal transmission and the like.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a flexible cable of nai bending is equipped with outer jacket, outer insulating layer and inner core in proper order from outside to inside, wherein:
the outer coating is a flexible outer coating;
the outer insulating layer is a metal wire braiding layer;
the inner core comprises a signal wire and a ground wire, the signal wire is formed by twisting more than three strands of core wires and a filler, and each strand of core wires is spirally wound on the periphery of the filler.
Specifically, each core wire is sequentially provided with an inner insulating layer and two wires from outside to inside, and each wire comprises an insulating sheath and a conductor from outside to inside.
Specifically, the inner insulating layer is an aluminum foil layer.
Specifically, the ratio of the outer diameter of each core wire to the outer diameter of the flexible cable is between 1:3.5 to 1: between 2.8.
Specifically, the outer insulating layer is an aluminum-magnesium metal wire braiding layer.
Specifically, the outer insulating layer is a PVC insulating layer subjected to chemical crosslinking treatment, and the ratio of the wall thickness to the outer diameter of the flexible cable is between 1:20 and 1:15.
Specifically, the filler is cotton thread.
The other technical scheme adopted by the utility model is as follows:
the high-flexibility net wire comprises the flexible cable according to the technical scheme, wherein two ends of the flexible cable are respectively connected with a connector; each connector comprises an insulating rubber core, a plurality of conductive terminals and a grounding terminal are arranged in each insulating rubber core, and a shielding shell is fixed on each insulating rubber core; each conductive terminal is connected with one conductor, and two ends of the ground wire are respectively connected with one grounding terminal.
Specifically, an insulating protective cover is arranged on the periphery of each connector.
Compared with the prior art, the utility model has the beneficial effects that: the outer coating is a flexible outer coating, and the metal wire braiding layer is arranged outside the inner side of the outer coating and used as an insulating layer, so that the overall flexibility of the cable can be improved, the radial deformation resistance of the cable can be enhanced, and the bending resistance of the cable can be enhanced; through setting the signal line of cable into stranded heart yearn and filler transposition structure, can promote the bending resistance and the deformation resistance ability of signal line and inner core to can furthest reduce the wearing and tearing between the heart yearn, avoid or reduce the influence of transposition to signal transmission, the cable has excellent properties such as high gentle bending resistance and signal transmission stability.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model;
fig. 2 is a schematic structural view of a cross section of a core wire in the present embodiment;
fig. 3 is a schematic structural view of an application embodiment of the present utility model.
In the figure: 100. a flexible cable; 200. a connector; 300. an insulating protective cover; 10. an outer coating layer; 20. an outer insulating layer; 30. an inner core; 31. a signal line; 32. a ground wire; 40. an insulating rubber core; 50. a conductive terminal; 60. a shield case; 1. a core wire; 101. an inner insulating layer; 102. a wire; 2. a filler; 3. an insulating sheath; 4. a conductor; d. the outer diameter of the core wire; t, the wall thickness of the outer insulating layer; D. the flexible cable outer diameter.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
The embodiments described by referring to the drawings are exemplary and intended to be illustrative of the utility model and are not to be construed as limiting the utility model. In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number", "a plurality" or "a plurality" is two or more, unless specifically defined otherwise. In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1-2, a bending-resistant flexible cable is provided with an outer coating layer 10, an outer insulating layer 20 and an inner core 30 in order from outside to inside, wherein:
the outer coating 10 is a flexible outer coating;
the outer insulating layer 20 is a wire braid;
the inner core 30 includes a signal wire 31 and a ground wire 32, the signal wire 31 is formed by twisting three or more core wires 1 with a filler 2, and each core wire 1 is spirally wound around the filler 2.
According to the utility model, the outer coating 10 is a flexible outer coating, and the metal wire braiding layer is arranged outside the inner side of the outer coating as the insulating layer 20, so that the overall flexibility of the cable is improved, the radial deformation resistance of the cable is enhanced, and the bending resistance of the cable is enhanced; by arranging the signal wire 31 of the cable to be of a structure in which the multi-strand core wires 1 and the filler 2 are stranded, the bending resistance and the deformation resistance of the signal wire 31 and the inner core 30 can be improved, abrasion between the core wires 1 can be reduced to the greatest extent, the influence of stranding on signal transmission is avoided or reduced, and the cable has excellent performances of high flexibility, bending resistance, stable signal transmission and the like.
Specifically, each core wire 1 is sequentially provided with an inner insulating layer 101 and two wires 102 from outside to inside, and each wire 102 comprises an insulating sheath 3 and a conductor 4 from outside to inside.
Specifically, the inner insulating layer 101 is an aluminum foil layer.
In the embodiment, each core wire 1 is wrapped with an aluminum foil layer, so that mutual interference of internal signals after stranding of four core wires 1 can be avoided or reduced; the metal wire braiding layers at the periphery of the four core wires 1 can avoid or slow down electromagnetic interference of external signals to the internal core wires 1, and ensure stability of signal transmission of the conductors 4 in the cable.
Specifically, the ratio of the outer diameter D of each core wire 1 to the outer diameter D of the flexible cable is between 1:3.5 to 1: between 2.8.
Specifically, the outer insulating layer 20 is an aluminum-magnesium wire braid.
Specifically, the outer insulating layer 20 is a PVC insulating layer after chemical crosslinking treatment, and the ratio of the wall thickness t to the outer diameter D of the flexible cable is between 1:20 and 1:15.
In this embodiment, the outer insulating layer 20 is made of PVC, and is subjected to chemical crosslinking treatment, so that the outer insulating layer 20 has better weather resistance, corrosion resistance, impact resistance and flexibility, so as to better meet the use requirements of the cable.
In order to ensure excellent deformation resistance and bending resistance of the cable while maintaining flexibility, the present utility model has limitations on the diameter D of the core wire 1, the thickness t of the outer insulating layer 20, and the diameter D of the cable. In this example, d is 2.15mm, t is 0.4mm, and D is 6.8mm.
Specifically, the filler 2 is cotton thread.
The utility model has a hollow structure between the outer insulating layer 20 and the core wire 1, and no filler is filled, so that the cable hardness can be further reduced, and the cable flexibility is improved; and the cotton wires are filled between the core wires 1, so that the abrasion between the stranded core wires 1 can be relieved, the abrasion of the core wires 1 caused by external pressure can be relieved by the outer insulating layer 20, and the service life of the cable is ensured.
As shown in fig. 3, an application embodiment of the present utility model is a high-flexibility net wire, which includes the flexible cable 100 described in the above embodiment, and two ends of the flexible cable 100 are respectively connected to a connector 200; each connector 200 comprises an insulating rubber core 40, wherein each insulating rubber core 40 is internally provided with a plurality of conductive terminals 50 and a grounding terminal, and a shielding shell 60 is fixed on each insulating rubber core 40; each conductive terminal 50 is connected to a conductor 4, and both ends of the ground wire 32 are connected to a ground terminal, respectively.
Specifically, an insulating boot 300 is provided around the periphery of each connector 200.
In this embodiment, the connector 200 is an RJ45 male connector, and the flexible cable 100 has the advantages of strong flexibility, long service life, stable signal transmission, and the like, and can meet the use requirement of the network cable as a movable test wire or daily use.
The above description should not be taken as limiting the scope of the utility model, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model still fall within the scope of the technical solutions of the present utility model.
Claims (9)
1. A flexible cable of nai bending is equipped with outer jacket, outer insulating layer and inner core from outer to interior in proper order, its characterized in that:
the outer coating is a flexible outer coating;
the outer insulating layer is a metal wire braiding layer;
the inner core comprises a signal wire and a ground wire, the signal wire is formed by twisting more than three strands of core wires and a filler, and each strand of core wires is spirally wound on the periphery of the filler.
2. The flexible cable of claim 1, wherein each core wire is provided with an inner insulating layer and two wires in sequence from outside to inside, and each wire comprises an insulating sheath and a conductor from outside to inside.
3. The flexible cable of claim 2 wherein the inner insulating layer is an aluminum foil layer.
4. The flexible cable of claim 2, wherein the ratio of the outer diameter of each core wire to the outer diameter of the flexible cable is between 1:3.5 to 1: between 2.8.
5. The flexible cable of claim 2 wherein the outer insulation is an aluminum magnesium wire braid.
6. The flexible cable of claim 2, wherein the outer insulating layer is a PVC insulating layer after chemical crosslinking treatment, and the ratio of the wall thickness to the outer diameter of the flexible cable is between 1:20 and 1:15.
7. The flexible cable of claim 2, wherein the filler is cotton.
8. The utility model provides a high gentle net twine which characterized in that: a flexible cable comprising the cable of any of claims 2-7, both ends of the flexible cable being connected to a connector, respectively; each connector comprises an insulating rubber core, a plurality of conductive terminals and a grounding terminal are arranged in each insulating rubber core, and a shielding shell is fixed on each insulating rubber core; each conductive terminal is connected with one conductor, and two ends of the ground wire are respectively connected with one grounding terminal.
9. The high-flexibility wire of claim 8, wherein each connector has an insulative shield around its periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320846707.9U CN220121510U (en) | 2023-04-17 | 2023-04-17 | Bending-resistant flexible cable and high-flexibility net wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320846707.9U CN220121510U (en) | 2023-04-17 | 2023-04-17 | Bending-resistant flexible cable and high-flexibility net wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220121510U true CN220121510U (en) | 2023-12-01 |
Family
ID=88888389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320846707.9U Active CN220121510U (en) | 2023-04-17 | 2023-04-17 | Bending-resistant flexible cable and high-flexibility net wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220121510U (en) |
-
2023
- 2023-04-17 CN CN202320846707.9U patent/CN220121510U/en active Active
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