CN211045090U - High-strength bending-resistant photoelectric composite cable - Google Patents
High-strength bending-resistant photoelectric composite cable Download PDFInfo
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- CN211045090U CN211045090U CN202020097700.8U CN202020097700U CN211045090U CN 211045090 U CN211045090 U CN 211045090U CN 202020097700 U CN202020097700 U CN 202020097700U CN 211045090 U CN211045090 U CN 211045090U
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Abstract
The utility model belongs to the technical field of the technique of photoelectric composite cable and specifically relates to a resistant photoelectric composite cable of buckling of high strength is related to, it includes the outer jacket, is provided with the optic fibre body that forms by cable conductor and optic fibre transposition in the outer jacket, is provided with interior sheath in the outer jacket, and the optic fibre body sets up inside interior sheath, and evenly distributed has a plurality of power of unloading pieces between outer jacket and the interior sheath, unloads the power piece and makes for elastic material, unloads power piece inside and be hollow structure, and unload the power piece respectively with outer jacket, interior sheath fixed connection. The utility model discloses have the resistant ability of buckling that improves the photoelectricity composite cable, protect the effect of optic fibre body.
Description
Technical Field
The utility model belongs to the technical field of photoelectric composite cable's technique and specifically relates to a resistant photoelectric composite cable of buckling of high strength is related to. Background
At present, in order to realize large-capacity and long-distance audio information transmission, photoelectric composite cables are more and more widely applied, integrate optical fibers and transmission copper wires into a whole, are suitable for being used as transmission lines in a broadband access network system, and are a novel access mode.
The existing photoelectric composite cable comprises an outer protective layer, an insulated cable core wire and an optical fiber, wherein the insulated cable core wire and the optical fiber are arranged in the outer protective layer and are twisted together, and the cable core wire and the optical fiber form an optical fiber body.
The above prior art solutions have the following drawbacks: when the photoelectric composite cable is stressed at a local point, a certain point in the photoelectric composite cable is stressed greatly and is bent due to the large impact force, so that information transmission is influenced. Therefore, there is room for improvement.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a resistant photoelectric composite cable of buckling of high strength.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a resistant photoelectricity composite cable that buckles of high strength, includes the outer jacket, be provided with the optic fibre body that is formed by cable conductor and optic fibre transposition in the outer jacket, be provided with interior sheath in the outer jacket, the optic fibre body set up in interior sheath is inside, the outer jacket with evenly distributed has a plurality of power pieces of unloading between the interior sheath, it makes for elastic material to unload the power piece, it is hollow structure to unload power piece inside, just unload the power piece respectively with outer jacket, interior sheath fixed connection.
Through adopting above-mentioned technical scheme, the piece of unloading that a plurality of elastic material of evenly distributed made between outer sheath and interior sheath, and unload the power piece respectively with outer sheath, interior sheath fixed connection, when making the local atress of photoelectric composite cable, it can the homodisperse pressure to unload the power piece, and simultaneously, it is hollow structure to unload power piece inside, make it has certain deformation space when unloading pressure to unload the power piece, possess certain resilience effect, thereby make the effort of photoelectric composite cable eliminate the back, photoelectric composite cable can resume to initial condition, be favorable to improving photoelectric composite cable's resistant ability of buckling, the protection optic fibre body.
The present invention may be further configured in a preferred embodiment as: the cross section of the force unloading block along the length direction of the photoelectric composite cable is square, and two opposite outer corners of the force unloading block are fixedly connected with the outer protective layer and the inner protective layer respectively.
Through adopting above-mentioned technical scheme, when the outer jacket atress, because unload the power piece for square along the length direction's of photoelectricity composite cable cross-section, and unload wherein two pairs's of power piece outer angle respectively with outer jacket, interior sheath fixed connection for unload the effort that the power piece receives and cushion the decomposition by the four sides of unloading the power piece, thereby make after external force eliminates, unload the power piece and can resume to natural state more fast.
The present invention may be further configured in a preferred embodiment as: and linear low-density polyethylene is filled between the outer protective layer and the inner protective layer.
Through adopting above-mentioned technical scheme, pack linear low density polyethylene between outer sheath and interior sheath, be favorable to improving photoelectric composite cable's tensile strength, its resistant bending property is better.
The present invention may be further configured in a preferred embodiment as: the outer circumferential surface of the outer protective layer is provided with a bending-resistant protective layer, the bending-resistant protective layer is a steel wire, and the steel wire is wound on the outer circumferential surface of the outer protective layer.
Through adopting above-mentioned technical scheme, set up the resistant protective layer that bends in the outer peripheral face of outer sheath, and resistant curved protective layer is the steel wire line to make the steel wire line can produce the compressive stress of longer time to outer sheath, thereby make the outer sheath can maintain surperficial residual compressive stress, be favorable to further strengthening the resistant ability of buckling of photoelectricity composite cable.
The present invention may be further configured in a preferred embodiment as: the inside of interior sheath is provided with and is used for carrying out the flexible support piece that supports to interior sheath.
Through adopting above-mentioned technical scheme, including the inside of sheath set up flexible support piece for unload the power piece and receive external force to transmit the effort to interior sheath when, support piece can produce the effort of direction to the power of transmission, and then cushions the decomposition to the effort of transmission, is favorable to reducing the effort that receives of the inside optic fibre body of interior sheath.
The present invention may be further configured in a preferred embodiment as: the flexible supporting piece comprises a supporting shaft arranged at the center of the inner protection layer, the outer peripheral surface of the supporting shaft is fixedly connected with a plurality of supporting plates distributed along the circumferential direction of the supporting shaft, and one end, far away from the supporting shaft, of each supporting plate is fixedly connected with the inner protection layer.
Through adopting above-mentioned technical scheme, when the effort that interior sheath atress piece was unloaded in the time of, distribute in a plurality of backup pads of back shaft outer peripheral face and decompose the effort each other, support interior sheath simultaneously, realize the protection to the optic fibre body in the inner sheath.
The present invention may be further configured in a preferred embodiment as: the supporting plate is arc-shaped along the section of the supporting shaft in the radial direction.
Through adopting above-mentioned technical scheme, set up the backup pad into circular-arcly along the cross-section of back shaft radial direction for when the photoelectric composite cable who places receives trample or other external force extrusion, backup pad bending deformation cushions external pressure, and after removing external force, the backup pad can the reconversion, is favorable to improving photoelectric composite cable's compressive capacity.
The present invention may be further configured in a preferred embodiment as: the inner peripheral surface of interior sheath is provided with netted metallic shield layer, metallic shield layer with interior sheath is laminated mutually.
Through adopting above-mentioned technical scheme, inner peripheral surface at inner sheath sets up the metal shielding layer for external electromagnetic interference and the outside radiation electromagnetic interference of light body can be resisted to the metal shielding layer, and simultaneously, when this internal breakage that takes place of optic fibre, the electric current of leakage can be by metal shielding layer direction ground net, realizes safety protection's effect.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the force unloading block is arranged between the inner protective layer and the outer protective layer, and the inside of the force unloading block is of a hollow structure, so that when the photoelectric composite cable is stressed at a local point, the force unloading block can uniformly disperse pressure, and meanwhile, a certain deformation space is formed, and the force unloading block has a certain resilience effect, so that the photoelectric composite cable is restored to the original state after external force is eliminated, the bending resistance of the photoelectric composite cable is improved, and an optical fiber body is protected;
2. the bending-resistant protective layer is arranged on the outer protective layer, so that the steel wire can generate compressive stress on the outer protective layer for a long time, the residual compressive stress on the surface of the outer protective layer can be maintained, and the bending resistance of the photoelectric composite cable can be further enhanced;
3. through set up support piece in the sheath for unload the power piece and receive external force and transmit power to interior sheath when, support piece can be to the effort of the power production direction of transmission, and then cushions the decomposition to the effort of transmission, is favorable to reducing the effort that receives of the inside optic fibre body of interior sheath.
Drawings
Fig. 1 is a schematic cross-sectional view of a high strength bend-resistant optical-electrical composite cable;
fig. 2 is a schematic structural diagram of a high-strength bending-resistant photoelectric composite cable.
In the figure, 1, a metal shielding layer, 2, an inner protection layer, 21, a flexible support member, 211, a support shaft, 212, a support plate, 22, an optical fiber body, 3, an outer protection layer, 4, a bending-resistant protection layer, 41, a steel wire, 5, a force-releasing block, 6 and linear low-density polyethylene.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Combine figure 1 and figure 2, do the utility model discloses a resistant photoelectric composite cable of buckling of high strength, including from interior to exterior metallic shield 1, interior sheath 2, outer jacket 3 and the resistant protective layer 4 that bends that sets gradually, resistant protective layer 4 and outer jacket 3's outer peripheral face is laminated mutually, vacuole formation between outer jacket 3 and the interior sheath 2, metallic shield 1 and the inner peripheral surface fixed connection of interior sheath 2, interior sheath 2 and outer jacket 3 are made by thermoplastic polyurethane elastomer material.
The metal shielding layer 1 is attached to the inner circumferential surface of the inner protection layer 2 in a net shape, the metal shielding layer 1 can be made of red copper materials and can also be made of zinc-plated copper materials, the covering density of the metal shielding layer 1 is larger than 90%, and the diameter of a braided wire of the metal shielding layer is larger than 0.1mm, so that external electromagnetic interference and electromagnetic interference of outward radiation of a light body are resisted, and meanwhile, the safety protection effect is achieved.
A flexible supporting piece 21 used for supporting the inner protective layer 2 is arranged in the inner protective layer 2 so as to buffer and decompose the acting force transmitted to the inner protective layer 2; the flexible supporting member 21 includes a supporting shaft 211 disposed at the center of the inner sheath 2, a plurality of supporting plates 212 distributed along the circumference of the supporting shaft 211 are fixedly connected to the outer circumference of the supporting shaft 211, the supporting shaft 211 and the supporting plates 212 are made of flexible materials, the number of the supporting plates 212 is six, the supporting plates 212 are distributed at equal intervals, so that the supporting plates 212 are uniformly stressed, the optical fiber bodies 22 are arranged between the adjacent supporting plates 212, each optical fiber body 22 is formed by twisting a cable core wire and an optical fiber, one end of each supporting plate 212, far away from the supporting shaft 211, is fixedly connected with the inner circumferential surface of the metal shielding layer 1, the cross section of each supporting plate 212 along the radial direction of the supporting shaft 211 is in an arc shape, so that when the photoelectric composite cable is extruded by external force, the supporting plate 212 is bent and deformed to play a role of buffering, when the external force is removed, the photoelectric composite cable is restored to a natural state, so that the pressure resistance of the photoelectric composite cable is improved; the inner sheath layer 2 is filled with an insulating material.
The inner protection layer 2 and the outer protection layer 3 are fixedly connected with a plurality of force unloading blocks 5, the force unloading blocks 5 are uniformly distributed in the cavity, the force unloading blocks 5 are made of elastic materials, the inner parts of the force unloading blocks 5 are of hollow structures, the cross sections of the force unloading blocks 5 in the length direction of the photoelectric composite cable are square, two opposite outer corners of the force unloading blocks 5 are fixedly connected with the outer protection layer 3 and the inner protection layer 2 respectively, the force unloading blocks 5 can uniformly disperse pressure when the photoelectric composite cable is stressed, and meanwhile, the force unloading blocks have a certain resilience effect, so that the bending resistance of the photoelectric composite cable is improved, and the optical fiber body 22 is protected; the linear low-density polyethylene 6 is filled between the inner protection layer 2 and the outer protection layer 3, so that the tensile strength of the photoelectric composite cable is improved, and the bending resistance of the photoelectric composite cable is better.
The bending-resistant protective layer 4 is a steel wire 41, and the steel wire 41 is wound on the outer circumferential surface of the outer protective layer 3, so that the outer protective layer 3 can maintain the residual compressive stress on the surface, and the bending resistance of the photoelectric composite cable is further enhanced.
The implementation principle of the embodiment is as follows:
when the photoelectric composite cable is stressed at a local point, a large impact force acts on the bending-resistant protective layer 4, so that the steel wire 41 wound on the outer peripheral surface of the outer protective layer 3 can protect the outer protective layer 3, after an external force is transmitted to the outer protective layer 3, because the force unloading block 5 is fixedly connected between the outer protective layer 3 and the inner protective layer 2, when the transmitted external force acts on the force unloading block 5, the force unloading block 5 is elastically deformed, so that the transmitted external force is decomposed, and meanwhile, the uniformly distributed force unloading blocks 5 can effectively share the tensile force acting on the photoelectric composite cable, so that the bending resistance of the photoelectric composite cable is improved; when the external force shared by the force unloading block 5 is transmitted to the inner protection layer 2, the support plate 212 in the inner protection layer 2 buffers the acting force, so that the impact force applied to the optical fiber body 22 is reduced, and the optical fiber body 22 is protected.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a resistant photoelectric cables who buckles of high strength, includes outer jacket (3), be provided with in outer jacket (3) by optical fiber body (22) that cable core and optic fibre transposition formed, its characterized in that: be provided with in outer jacket (3) and protect layer (2), optic fibre body (22) set up in protect inside layer (2), outer jacket (3) with evenly distributed has a plurality of power of unloading pieces (5) between interior layer (2), unload power piece (5) and make for elastic material, unload power piece (5) inside and be hollow structure, just unload power piece (5) respectively with outer jacket (3), interior layer (2) fixed connection of protecting.
2. The high-strength bend-resistant opto-electrical composite cable according to claim 1, characterized in that: the cross section of the force unloading block (5) along the length direction of the photoelectric composite cable is square, and two opposite outer corners of the force unloading block (5) are fixedly connected with the outer protective layer (3) and the inner protective layer (2) respectively.
3. The high-strength bend-resistant opto-electrical composite cable according to claim 1, characterized in that: and linear low-density polyethylene (6) is filled between the outer protective layer (3) and the inner protective layer (2).
4. The high-strength bend-resistant opto-electrical composite cable according to claim 1, characterized in that: the outer circumferential surface of the outer protective layer (3) is provided with a bending-resistant protective layer (4), the bending-resistant protective layer (4) is a steel wire (41), and the steel wire (41) is wound on the outer circumferential surface of the outer protective layer (3).
5. The high-strength bend-resistant opto-electrical composite cable according to claim 1, characterized in that: the inner protection layer (2) is internally provided with a flexible supporting piece (21) for supporting the inner protection layer (2).
6. The high-strength bend-resistant optoelectronic composite cable of claim 5, wherein: the flexible supporting piece (21) comprises a supporting shaft (211) arranged at the center of the inner protection layer (2), the outer peripheral surface of the supporting shaft (211) is fixedly connected with a plurality of supporting plates (212) distributed in the circumferential direction of the supporting shaft (211), and one end of the supporting shaft (211) is far away from the supporting plates (212) and is fixedly connected with the inner protection layer (2).
7. The high-strength bend-resistant optoelectronic composite cable of claim 6, wherein: the support plate (212) has an arc-shaped cross section along the radial direction of the support shaft (211).
8. The high-strength bend-resistant opto-electrical composite cable according to claim 1, characterized in that: the inner circumferential surface of interior sheath (2) is provided with netted metallic shield layer (1), metallic shield layer (1) with interior sheath (2) is laminated mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020097700.8U CN211045090U (en) | 2020-01-16 | 2020-01-16 | High-strength bending-resistant photoelectric composite cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020097700.8U CN211045090U (en) | 2020-01-16 | 2020-01-16 | High-strength bending-resistant photoelectric composite cable |
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| CN211045090U true CN211045090U (en) | 2020-07-17 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466524A (en) * | 2020-11-30 | 2021-03-09 | 韩玉权 | Waterproof withstand voltage photoelectric cables |
| CN112908533A (en) * | 2021-01-27 | 2021-06-04 | 无锡市明珠电缆有限公司 | Seawater-corrosion-resistant high-wear-resistance high-strength photoelectric composite flexible shore power reel cable and preparation method thereof |
| CN113782274A (en) * | 2021-08-05 | 2021-12-10 | 嘉兴奥亿普数据电缆有限公司 | Optical fiber composite data cable |
| CN113921176A (en) * | 2021-08-06 | 2022-01-11 | 上海爱谱华顿电子科技（集团）有限公司 | Bending-resistant UTP cable |
| CN114460699A (en) * | 2021-12-27 | 2022-05-10 | 富通集团（嘉善）通信技术有限公司 | Anti-distortion optical cable |
-
2020
- 2020-01-16 CN CN202020097700.8U patent/CN211045090U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466524A (en) * | 2020-11-30 | 2021-03-09 | 韩玉权 | Waterproof withstand voltage photoelectric cables |
| CN112908533A (en) * | 2021-01-27 | 2021-06-04 | 无锡市明珠电缆有限公司 | Seawater-corrosion-resistant high-wear-resistance high-strength photoelectric composite flexible shore power reel cable and preparation method thereof |
| CN113782274A (en) * | 2021-08-05 | 2021-12-10 | 嘉兴奥亿普数据电缆有限公司 | Optical fiber composite data cable |
| CN113782274B (en) * | 2021-08-05 | 2024-02-06 | 嘉兴奥亿普数据电缆有限公司 | Optical fiber composite data cable |
| CN113921176A (en) * | 2021-08-06 | 2022-01-11 | 上海爱谱华顿电子科技（集团）有限公司 | Bending-resistant UTP cable |
| CN113921176B (en) * | 2021-08-06 | 2023-02-28 | 上海爱谱华顿电子科技（集团）有限公司 | Bending-resistant UTP cable |
| CN114460699A (en) * | 2021-12-27 | 2022-05-10 | 富通集团（嘉善）通信技术有限公司 | Anti-distortion optical cable |
| CN114460699B (en) * | 2021-12-27 | 2024-02-20 | 富通集团（嘉善）通信技术有限公司 | Anti-twisting optical cable |
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