CN215600140U - Flame-retardant low-smoke halogen-free multi-core cable - Google Patents
Flame-retardant low-smoke halogen-free multi-core cable Download PDFInfo
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- CN215600140U CN215600140U CN202122084272.2U CN202122084272U CN215600140U CN 215600140 U CN215600140 U CN 215600140U CN 202122084272 U CN202122084272 U CN 202122084272U CN 215600140 U CN215600140 U CN 215600140U
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 47
- 239000000779 smoke Substances 0.000 title claims abstract description 37
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000009413 insulation Methods 0.000 claims abstract description 19
- 239000010410 layer Substances 0.000 claims description 107
- 238000002955 isolation Methods 0.000 claims description 10
- 229910052736 halogen Inorganic materials 0.000 claims description 9
- 150000002367 halogens Chemical class 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000009970 fire resistant effect Effects 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 230000002787 reinforcement Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 description 10
- 239000011248 coating agent Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- -1 103 Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 210000004209 hair Anatomy 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
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Abstract
The application discloses a flame-retardant low-smoke halogen-free multi-core cable which comprises a low-smoke halogen-free sheath, a reinforcing ring and a copper core; the low-smoke halogen-free sheath is sleeved with a heat insulation layer and an insulation wrapping tape, a reinforcing ring is arranged on the inner side of the insulation wrapping tape, and the reinforcing ring is wound on the inner protection layer; the inner sheath is internally provided with a second fireproof layer and a first insulating layer, and the second fireproof layer and the first insulating layer are both sleeved outside the copper core. The low-smoke halogen-free sheath has a good flame-retardant effect, the flame-retardant protection can be performed on the interior of the cable by matching the heat-insulating layer and the second flame-retardant layer, the tensile property of the low-smoke halogen-free sheath can be improved by the wear-resistant layer, the integral use of the cable is facilitated, and the damage to the cable is reduced; this application is rational in infrastructure, and it is spacing that back up ring and interior sheath can be to copper core external reinforcement, avoids the copper core not hard up in that the cable is inside, keeps apart the filling layer to the inside protection of filling of second insulating layer, and the cable is inside to have insulating and metallic shield structure, does benefit to the use of cable.
Description
Technical Field
The application relates to the field of cables, in particular to a flame-retardant low-smoke halogen-free multi-core cable.
Background
Cable is a generic term for optical cables, electrical cables, and the like. The cable has many purposes, is mainly used for controlling installation, connecting equipment, transmitting power and other multiple functions, and is a common and indispensable object in daily life. Installation requires special care since the cable is live.
The outside fire-retardant structure of cable is limited, influences the holistic fire-retardant and fire resistance of cable, and the outside stretch-proofing ability of cable is not enough, causes the damage when using easily, and the copper core is difficult for spacing reinforcement when cable internally mounted, and is not hard up easily, and the protection effect is unsatisfactory, influences the use of cable. Therefore, a flame-retardant low-smoke halogen-free multi-core cable is provided for solving the problems.
Disclosure of Invention
The utility model provides a fire-retardant low smoke and zero halogen multicore cable is arranged in solving among the prior art the outside fire-retardant and the fire resistance of cable unsatisfactory, and the outside stretch-proofing ability of cable is not enough, causes the damage when using easily, and the copper core is difficult for spacing reinforcement when cable internally mounted, and is difficult not hard up, the unsatisfactory problem of protection effect.
According to one aspect of the application, a flame-retardant low-smoke halogen-free multi-core cable is provided, which comprises a low-smoke halogen-free sheath, a reinforcing ring and a copper core; the low-smoke halogen-free sheath is sleeved with a heat insulation layer and an insulation wrapping tape, a reinforcing ring is arranged on the inner side of the insulation wrapping tape, and the reinforcing ring is wound on the inner protection layer; the inner sheath is internally provided with a second fireproof layer and a first insulating layer, and the second fireproof layer and the first insulating layer are both sleeved outside the copper core.
Further, the inside gomphosis of low smoke and zero halogen sheath has the wearing layer, the wearing layer both sides all are provided with first flame retardant coating, first flame retardant coating is located flame retardant coating inside, flame retardant coating's thickness is greater than the wearing layer.
Furthermore, the thickness of insulating layer is the same with low smoke and zero halogen sheath, the thickness of insulating layer is greater than insulating band, insulating band cup joints at the insulating layer inboard, insulating band cup joints outside reinforcing ring.
Further, the inner side of the inner protection layer is compounded with a second insulating layer, the thickness of the second insulating layer is smaller than that of the inner protection layer, an isolation filling layer is arranged inside the second insulating layer, and the isolation filling layer wraps the four first insulating layers.
Furthermore, a second refractory layer is sleeved outside the copper core, the thickness of the second refractory layer is smaller than that of the first insulating layer, the first insulating layer is located outside the second refractory layer, and the number of the second refractory layers is four.
Furthermore, the inner protection layer is fixedly connected with limiting blocks, the limiting blocks are located on two sides of the inner protection layer, and the limiting blocks are connected with the reinforcing ring in a clamping mode.
Through the above-mentioned embodiment of this application, adopted low smoke and zero halogen sheath, back up ring and interior sheath, it is unsatisfactory to have solved the outside fire-retardant and fire resistance of cable, the outside stretch-proofing ability of cable is not enough, cause the damage when using easily, and the copper core is difficult spacing when cable internally mounted and consolidates, and is difficult not hard up, the unsatisfactory problem of protection effect, it is good to have obtained the outside fire-retardant and fire-resistant effect of cable, and stretch-proofing ability is good, difficult damage, but copper core spacing reinforcement during the installation, difficult not hard up effect.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic perspective view of an embodiment of the present application;
FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 3 is a schematic view of a flame retardant layer structure according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a reinforcing ring according to an embodiment of the present application.
In the figure: 1. low smoke and zero halogen sheath, 101, fire-retardant layer, 102, wearing layer, 103, flame retardant coating, 2, insulating layer, 3, insulating band, 4, second flame retardant coating, 5, reinforcing ring, 6, interior sheath, 7, isolation filling layer, 8, first insulating layer, 9, copper core, 10, second insulating layer, 11, stopper.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
The cable in this embodiment may be applicable to various winding devices, for example, a winding device is provided in this embodiment, and the cable in this embodiment may be wound by the winding device as follows.
This coiling mechanism includes: a bottom plate, a first vertical plate is fixedly connected to one side of the top of the bottom plate, a rotating rod is rotatably and alternately connected to one side of the first vertical plate, a second vertical plate is fixedly connected to the other side of the first vertical plate and positioned at the top of the bottom plate, one end of the rotating rod extends to one side of the second vertical plate and is rotatably and alternately connected with the middle part of the second vertical plate, a bearing platform is fixedly connected to the other side of the top of the bottom plate, a servo motor is fixedly connected to one side of the top of the bearing platform, an output shaft of the servo motor is fixedly connected with one end of the rotating rod through a coupler, a first rotary disc is fixedly sleeved on an output shaft of the servo motor, a belt is sleeved on the outer wall of the first rotary disc in a rotating manner, a support plate is fixedly connected to the other side of the top of the bearing platform, a bearing is fixedly connected to one side of the support plate, a rotating shaft is rotatably connected to one side of the bearing, a second rotary disc is fixedly sleeved on the outer wall of the rotating shaft, an inner wall of one side of the belt is rotatably sleeved with an outer wall of the second rotary disc, the one end of pivot is connected with first brush through the shaft coupling transmission, first brush is located the top of cable, clean the top of cable, one side fixedly connected with driving motor of first riser, driving motor's output shaft is connected with the second brush through the shaft coupling transmission, the position of second brush is in the below of cable, the realization is cleaned the purpose of the lower surface of cable, thereby it is even to make the tighter reality that the cable can the rolling with outer wall impurity clean up, the outer wall of first brush and second brush is a plurality of brush hairs of fixedly connected with respectively, a plurality of brush hairs of fixedly connected with make the clean effect to the cable better.
A roller is fixedly sleeved on the outer wall of the rotating rod, a bunching block is fixedly connected on one side of the outer wall of the roller and is arranged to fix one end of the cable on the roller, the purpose of winding the cable is realized by driving the rotating rod to rotate through the servo motor, the rotating rod drives the roller to rotate, one side of the top of the bottom plate is fixedly connected with a tractor, the tractor pulls the cable which is not wound, the cable can be wound, one side of the bottom plate is fixedly connected with a push rod, four corners of the bottom plate are respectively and fixedly connected with connecting plates, the bottoms of the four connecting plates are respectively and rotatably connected with rollers, wheel brakes are arranged at the tops of the four rollers, the rollers are braked by the wheel brakes at any time to stop the rollers, the push rod and the rollers are arranged to facilitate the movement of the device, and the device can be applied to various occasions, therefore, the practicability is improved, and the servo motor, the driving motor and the tractor are respectively electrically connected with an external power supply through the external switch.
Of course, the present embodiment may also be rolled by rolling devices with other structures. Not repeated here, the cable of the embodiment of the present application is described below.
Referring to fig. 1-4, a flame-retardant low-smoke halogen-free multi-core cable includes a low-smoke halogen-free sheath 1, a reinforcing ring 5 and a copper core 9, wherein a heat insulation layer 2 and an insulation tape 3 are sleeved inside the low-smoke halogen-free sheath 1, the reinforcing ring 5 is arranged inside the insulation tape 3, and the reinforcing ring 5 is wound on an inner protection layer 6, so that the reinforcing ring 5 can be conveniently mounted on the inner protection layer 6; the inner sheath 6 is internally provided with a second fireproof layer 4 and a first insulating layer 8, and the second fireproof layer 4 and the first insulating layer 8 are both sleeved outside the copper core 9, so that the copper core 9 is protected from the outside.
A wear-resistant layer 102 is embedded in the low-smoke zero-halogen sheath 1, first flame retardant coatings 103 are arranged on two sides of the wear-resistant layer 102, the first flame retardant coatings 103 are positioned in the flame retardant layers 101, and the thickness of the flame retardant layers 101 is larger than that of the wear-resistant layer 102, so that the protection effect of the low-smoke zero-halogen sheath 1 is improved; the thickness of the heat insulation layer 2 is the same as that of the low-smoke halogen-free sheath 1, the thickness of the heat insulation layer 2 is larger than that of the insulation wrapping tape 3, the insulation wrapping tape 3 is sleeved on the inner side of the heat insulation layer 2, and the insulation wrapping tape 3 is sleeved on the outer portion of the reinforcing ring 5, so that the heat insulation layer 2 can insulate the inside of the cable conveniently; a second insulating layer 10 is compounded on the inner side of the inner sheath 6, the thickness of the second insulating layer 10 is smaller than that of the inner sheath 6, an isolation filling layer 7 is arranged inside the second insulating layer 10, and the isolation filling layer 7 is wrapped outside the four first insulating layers 8, so that the isolation filling layer 7 can support and protect the inner part of the inner sheath 6; the second fireproof layers 4 are sleeved outside the copper core 9, the thickness of each second fireproof layer 4 is smaller than that of each first insulating layer 8, the first insulating layers 8 are positioned outside the second fireproof layers 4, and the number of the second fireproof layers 4 is four, so that the second fireproof layers 4 can conveniently perform flame retardant protection on the outside of the copper core 9; the interior sheath 6 goes up the rigid coupling and has stopper 11, stopper 11 is located 6 both sides of interior sheath, stopper 11 is connected with reinforcing ring 5 block, the spacing of reinforcing ring 5 of being convenient for.
When the cable is used, the first fire-retardant layer 103 is made of mica tapes, the fire-retardant effect of the low-smoke halogen-free sheath 1 can be improved, the fire-retardant layer 101 is an aluminum hydroxide fire-retardant coating, the mica coating is arranged on the surface of the second fire-retardant layer 4, the fire-retardant and fire-retardant effects can be improved, the wear-resistant layer 102 is made of nitrile rubber, the heat-insulating layer 2 is made of sponge rubber, the reinforcing ring 5 contains metal wires, the cable can be shielded and protected while the inner protective layer 6 is reinforced, the inner protective layer 6 and the second insulating layer 10 can wrap and protect the outer portion of the isolation filling layer 7, the isolation filling layer 7 is a polypropylene rope, and the first insulating layer 8 and the second insulating layer 10 are both made of halogen-free insulating rubber.
The application has the advantages that:
1. the low-smoke halogen-free sheath 1 is simple to operate, the flame-retardant effect of the low-smoke halogen-free sheath 1 is good, the flame-retardant protection can be performed on the interior of a cable by matching the heat-insulating layer 2 and the second flame-retardant layer 4, the tensile resistance of the low-smoke halogen-free sheath 1 can be improved by the wear-resistant layer 102, the integral use of the cable is facilitated, and the damage to the cable is reduced;
2. this application is rational in infrastructure, and it is spacing that back up ring 5 and interior sheath 6 can be to 9 outside reinforcements of copper core, avoids copper core 9 to be not hard up in that the cable is inside, keeps apart the protection of filling 7 to 10 inside packings of second insulating layer, and the cable is inside to have insulating and metallic shield structure, does benefit to the use of cable.
It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (6)
1. The utility model provides a fire-retardant low smoke and zero halogen multicore cable which characterized in that: comprises a low-smoke halogen-free sheath (1), a reinforcing ring (5) and a copper core (9); the low-smoke halogen-free sheath (1) is internally sleeved with a heat insulation layer (2) and an insulation belting (3), the inner side of the insulation belting (3) is provided with a reinforcing ring (5), and the reinforcing ring (5) is wound on the inner protective layer (6); the inner protection layer (6) is internally provided with a second fireproof layer (4) and a first insulating layer (8), and the second fireproof layer (4) and the first insulating layer (8) are both sleeved outside the copper core (9).
2. The flame-retardant low-smoke halogen-free multi-core cable according to claim 1, characterized in that: the wear-resistant layer (102) is embedded in the low-smoke halogen-free sheath (1), first fire-resistant layers (103) are arranged on two sides of the wear-resistant layer (102), the first fire-resistant layers (103) are located inside the flame-retardant layer (101), and the thickness of the flame-retardant layer (101) is larger than that of the wear-resistant layer (102).
3. The flame-retardant low-smoke halogen-free multi-core cable according to claim 1, characterized in that: the thickness of insulating layer (2) is the same with low smoke and zero halogen sheath (1), the thickness of insulating layer (2) is greater than insulating band (3), insulating band (3) cup joint insulating layer (2) inboardly, insulating band (3) cup joint reinforcing ring (5) outside.
4. The flame-retardant low-smoke halogen-free multi-core cable according to claim 1, characterized in that: interior sheath (6) inboard complex has second insulating layer (10), the thickness of second insulating layer (10) is less than interior sheath (6), second insulating layer (10) inside is provided with isolation filling layer (7), isolation filling layer (7) parcel is outside at four first insulating layers (8).
5. The flame-retardant low-smoke halogen-free multi-core cable according to claim 1, characterized in that: the copper core (9) is sleeved with a second refractory layer (4), the thickness of the second refractory layer (4) is smaller than that of the first insulating layer (8), the first insulating layer (8) is located outside the second refractory layer (4), and the number of the second refractory layers (4) is four.
6. The flame-retardant low-smoke halogen-free multi-core cable according to claim 1, characterized in that: interior sheath (6) go up the rigid coupling have stopper (11), stopper (11) are located interior sheath (6) both sides, stopper (11) are connected with reinforcing ring (5) block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122084272.2U CN215600140U (en) | 2021-08-31 | 2021-08-31 | Flame-retardant low-smoke halogen-free multi-core cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122084272.2U CN215600140U (en) | 2021-08-31 | 2021-08-31 | Flame-retardant low-smoke halogen-free multi-core cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215600140U true CN215600140U (en) | 2022-01-21 |
Family
ID=79883861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122084272.2U Expired - Fee Related CN215600140U (en) | 2021-08-31 | 2021-08-31 | Flame-retardant low-smoke halogen-free multi-core cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215600140U (en) |
-
2021
- 2021-08-31 CN CN202122084272.2U patent/CN215600140U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20220121 |