CN218274051U - Fire-resistant resistance to compression type photoelectricity composite cable - Google Patents
Fire-resistant resistance to compression type photoelectricity composite cable Download PDFInfo
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- CN218274051U CN218274051U CN202222499668.8U CN202222499668U CN218274051U CN 218274051 U CN218274051 U CN 218274051U CN 202222499668 U CN202222499668 U CN 202222499668U CN 218274051 U CN218274051 U CN 218274051U
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Abstract
The utility model relates to the field of photoelectric composite cables, in particular to a fire-resistant compression-resistant photoelectric composite cable, which comprises a cable main body; the inside outside-in of cable main part is equipped with first resistance to compression ring and second resistance to compression ring respectively, the inside of cable main part is provided with the filling layer, the utility model discloses in, the both sides of first resistance to compression line are direct to be contacted with first resistance to compression ring and second resistance to compression ring, can not exert pressure to the filling layer, first resistance to compression ring and second resistance to compression ring are as first resistance to compression layer, when cable main part pressurized, prop up the space for the cable core of cable, first resistance to compression line is as the flexible resistance to compression layer of second way, the first resistance to compression line of multichannel spiral distribution is when the pressurized, the surface can produce the torsion that resets, the filling layer is propped up in the help, the second resistance to compression line can prevent in the outside of first resistance to compression line that the range of deformation is too big, and further provides the torsion that resets for first resistance to compression line, the compressive property of structure has been optimized once more.
Description
Technical Field
The utility model relates to a photoelectric composite cable field specifically is a fire-resistant resistance to compression type photoelectric composite cable.
Background
The photoelectric composite cable is suitable for being used as a transmission line in a broadband access network system, is a novel access mode, integrates optical fibers and transmission copper wires, and can solve the problems of broadband access, equipment power consumption and signal transmission.
Publication No.: CN213660049U discloses a high temperature resistant composite cable for communication, including first flame retardant coating, the elasticity core, the cable core, the insulating layer, the shielding layer, the filler, the compressive layer, the elastic ball, first fire-retardant layer, the second flame retardant coating, second fire-retardant layer and armor, through setting up first flame retardant coating and second flame retardant coating, good high temperature resistant effect has been played, through setting up filler and elasticity core, the holistic resistance to compression of cable can be effectively improved, fire-retardant and anti-buckling performance, through setting up first fire-retardant coating and the fire-retardant layer of second, the holistic flame retardant efficiency and the high temperature resistant effect of cable have greatly been improved, through setting up the armor, the wear resistance of cable has effectively been improved, through setting up compressive layer and elastic ball, the holistic compressive property of cable has effectively been improved.
Among the above-mentioned prior art, play high temperature resistant and flame retardant efficiency through the dual flame retardant coating and the dual flame retardant coating that set up, the elastic ball of the inboard anti-pressure layer and the interior parcel of resistance to compression layer of rethread, play the resistance to compression purpose, however, when the cable pressure-bearing, the resistance to compression intraformational elastic ball perpendicular to cable core is located directly over and under, the existence of elastic ball has taken a large amount of spaces, make the thickness of this department extremely thin, when the resistance to compression layer pressure-bearing, the existence of elastic ball can exert pressure to this weak department, make this department appear the point type hole easily, when the cable receive and releases or receive the back of twisting, still make the broken distortion of point type enlarge easily, make the elastic layer split inefficacy, for solving above-mentioned problem, we provide a fire-resistant resistance to compression type photoelectric composite cable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fire-resistant resistance to compression type photoelectric composite cable to solve the problem that proposes in the above-mentioned background art.
In order to achieve the purpose, the fireproof and pressure-resistant photoelectric composite cable comprises a cable main body;
the cable is characterized in that a first pressure resisting ring and a second pressure resisting ring are arranged inside the cable body from outside to inside respectively, a filling layer is arranged inside the cable body, the part of the filling layer penetrates through a gap between the first pressure resisting ring and the second pressure resisting ring, a plurality of first pressure resisting lines spirally distributed on the outer side of a cable core are arranged inside the filling layer, and the outer wall of each first pressure resisting line is provided with a second pressure resisting line spirally distributed.
Further: the first pressure resistant ring and the second pressure resistant ring are arranged in a plurality of channels in total, and the first pressure resistant ring and the second pressure resistant ring are distributed at intervals in the cable body.
Further: one side of the filling layer, which is close to the first anti-pressing ring and the second anti-pressing ring, is provided with a groove matched with the first anti-pressing ring and the second anti-pressing ring in size.
Further: the first compression resistant ring and the second compression resistant ring are made of hard materials.
Further: the diameter of the first compression resisting ring is matched with the size of a gap between the first compression resisting ring and the second compression resisting ring, and the diameter of the second compression resisting ring is matched with the size of the first compression resisting ring or the second compression resisting ring.
Further: the number of the first compression resistant wires is equal to that of the second compression resistant wires.
Further: the filling layer is made of polypropylene material.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in, the both sides of first resistance to compression line are direct and first resistance to compression ring and the contact of second resistance to compression ring, can not exert pressure to the filling layer, first resistance to compression ring and second resistance to compression ring are as first resistance to compression layer, when cable main part is compressed, prop the space for the cable core of cable, first resistance to compression line is as the flexible resistance to compression layer of second way, the first resistance to compression line of multichannel spiral distribution is when the pressurized, the surface can produce the torsion that resets, the filling layer is propped in the help, the resistance to compression line of second can prevent in the outside of first resistance to compression line that first resistance to compression line deformation range is too big, and further provide the torsion that resets for first resistance to compression line, the compressive property of structure has been optimized once more.
Drawings
Fig. 1 is a schematic front view of a fire-resistant compression-resistant photoelectric composite cable of the present invention;
fig. 2 is the utility model relates to a combination schematic diagram of first anti-pressure line of single strand and second anti-pressure line in fire-resistant resistance to compression type photoelectric composite cable.
In the figure: 1. a cable body; 2. a first compression ring; 3. a second anti-pressure ring; 4. a filling layer; 5. a second anti-pressure line.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-2, a fire-resistant compression-resistant optical/electrical composite cable according to a preferred embodiment of the present invention includes a cable body 1;
the inside outside-in of cable main part 1 is equipped with first resistance to compression ring 2 and second resistance to compression ring 3 respectively, and the inside of cable main part 1 is provided with filling layer 4, and the space between first resistance to compression ring 2 and the second resistance to compression ring 3 is passed to filling layer 4's part, and the inside of filling layer 4 is equipped with the first resistance to compression line 5 of the spiral distribution of multichannel in the cable core outside, and the outer wall of first resistance to compression line 5 all is provided with the second resistance to compression line 6 that the heliciform distributes.
It can be understood that, first anti-compression ring 2 and second anti-compression ring 3 are as first anti-compression layer, when cable main part 1 pressurized, for the cable core of cable supports the space, first anti-compression line 5 that sets up in filling layer 4 inboard is as the second way anti-compression layer, multichannel spiral distribution's first anti-compression line 5 is when pressurized, the surface can produce the torsion that resets, help to support filling layer 4, second anti-compression line 6 can prevent in the outside of first anti-compression line 5 that first anti-compression line 5 warp the range too big, the compressive property of structure has been promoted to the side.
The first and second pressure resistant rings 2 and 3 share a plurality of stages, and the plurality of first and second pressure resistant rings 2 and 3 are distributed at a predetermined distance inside the cable body 1.
Specifically, the part that filling layer 4 passed between first resistance to compression ring 2 and the second resistance to compression ring 3 space is separated for the multistage by first resistance to compression line 5, compares in prior art, and the both sides of first resistance to compression line 5 are direct to be in contact with first resistance to compression ring 2 and second resistance to compression ring 3, can not exert pressure to filling layer 4.
One side of the filling layer 4 close to the first compression resistant ring 2 and the second compression resistant ring 3 is provided with a groove matched with the first compression resistant ring 2 and the second compression resistant ring 3 in size.
It will be appreciated that the grooves provided on the surface of the filling layer 4 can serve as a positioning function, and help to fix the positions of the first anti-compression ring 2 and the second anti-compression ring 3 or fix the filling layer 4 itself by means of the first anti-compression ring 2 and the second anti-compression ring 3.
The first and second anti-pressure rings 2 and 3 are made of a hard material.
It will be appreciated that the first and second crush rings 2, 3 made of hard material can act as rigid crush layers, bracing the interior of the cable body 1 at multiple points.
The diameter of first anti-pressing line 5 and the first anti-pressing ring 2 and the second anti-pressing ring 3 between the space size looks adaptation make the both ends of first anti-pressing line 5 paste respectively and lean on the surface at first anti-pressing ring 2 or the second anti-pressing ring 3, make the structure more stable, the diameter of second anti-pressing line 6 and the first anti-pressing ring 2 or the second anti-pressing ring 3's size looks adaptation.
The number of the first compression lines 5 is equal to that of the second compression lines 6; the filling layer 4 is made of a polypropylene material.
In this embodiment, first anti-compression ring 2 and second anti-compression ring 3 have supported the space as first way rigidity anti-compression layer for the cable core of cable, and the first anti-compression line 5 that sets up in filling layer 4 inboard is as the second way anti-compression layer, the first anti-compression line 5 of multichannel spiral distribution is when the pressurized, the surface can produce the torsion that resets, help to prop up filling layer 4, second anti-compression line 6 can prevent in the outside of first anti-compression line 5 that first anti-compression line 5 warp the range too big, the compressive property of structure has been promoted to the side.
The above description is for further details of the present invention, and it is not assumed that the embodiments of the present invention are limited to these descriptions, and it is obvious to those skilled in the art that the present invention can be implemented by a plurality of simple deductions or replacements without departing from the concept of the present invention, and all should be considered as belonging to the protection scope defined by the claims submitted by the present invention.
Claims (7)
1. A fire-resistant pressure-resistant type photoelectric composite cable comprises a cable main body (1);
the method is characterized in that: the cable is characterized in that a first compression ring (2) and a second compression ring (3) are arranged inside the cable body (1) from outside to inside respectively, a filling layer (4) is arranged inside the cable body (1), the part of the filling layer (4) penetrates through a gap between the first compression ring (2) and the second compression ring (3), a plurality of first compression lines (5) distributed outside a cable core in a spiral mode are arranged inside the filling layer (4), and the outer wall of each first compression line (5) is provided with a second compression line (6) distributed in a spiral mode.
2. The fire-resistant compression-resistant photoelectric composite cable according to claim 1, wherein: the first compression resistant ring (2) and the second compression resistant ring (3) have multiple channels in total, and the first compression resistant ring (2) and the second compression resistant ring (3) are distributed at intervals in the cable main body (1).
3. The fire-resistant compression-resistant photoelectric composite cable according to claim 1, wherein: one side of the filling layer (4) close to the first anti-pressing ring (2) and the second anti-pressing ring (3) is provided with a groove matched with the first anti-pressing ring (2) and the second anti-pressing ring (3) in size.
4. The fire-resistant pressure-resistant type photoelectric composite cable according to claim 1, wherein: the first pressure resistant ring (2) and the second pressure resistant ring (3) are made of hard materials.
5. The fire-resistant compression-resistant photoelectric composite cable according to claim 1, wherein: the diameter of the first compression resisting ring (5) is matched with the size of a gap between the first compression resisting ring (2) and the second compression resisting ring (3), and the diameter of the second compression resisting ring (6) is matched with the size of the first compression resisting ring (2) or the second compression resisting ring (3).
6. The fire-resistant compression-resistant photoelectric composite cable according to claim 1, wherein: the number of the first compression lines (5) is equal to that of the second compression lines (6).
7. The fire-resistant pressure-resistant type photoelectric composite cable according to claim 1, wherein: the filling layer (4) is made of polypropylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222499668.8U CN218274051U (en) | 2022-09-21 | 2022-09-21 | Fire-resistant resistance to compression type photoelectricity composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222499668.8U CN218274051U (en) | 2022-09-21 | 2022-09-21 | Fire-resistant resistance to compression type photoelectricity composite cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218274051U true CN218274051U (en) | 2023-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222499668.8U Active CN218274051U (en) | 2022-09-21 | 2022-09-21 | Fire-resistant resistance to compression type photoelectricity composite cable |
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| CN (1) | CN218274051U (en) |
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- 2022-09-21 CN CN202222499668.8U patent/CN218274051U/en active Active
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