CN215265648U - Stretch-proof environment-friendly halogen-free flame-retardant cable - Google Patents
Stretch-proof environment-friendly halogen-free flame-retardant cable Download PDFInfo
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- CN215265648U CN215265648U CN202121511603.XU CN202121511603U CN215265648U CN 215265648 U CN215265648 U CN 215265648U CN 202121511603 U CN202121511603 U CN 202121511603U CN 215265648 U CN215265648 U CN 215265648U
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- inner core
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- insulation
- stretch
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- 239000003063 flame retardant Substances 0.000 title claims description 11
- 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 description 3
- 238000009422 external insulation Methods 0.000 claims abstract description 40
- 238000009413 insulation Methods 0.000 claims abstract description 30
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims description 87
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 6
- 239000012212 insulator Substances 0.000 claims description 6
- 239000011241 protective layer Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 238000009421 internal insulation Methods 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000012876 topography Methods 0.000 abstract description 3
- 238000005253 cladding Methods 0.000 abstract description 2
- 239000003292 glue Substances 0.000 description 6
- 241001391944 Commicarpus scandens Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
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Abstract
The utility model provides a halogen-free flame retarded cable of stretch-proof environment-friendly relates to power cable technical field, including the inner core, the inner core sets up to single or many, inner core surface cladding has the internal insulation, the multi beam the external nested outer insulation that has of internal insulation of inner core, the outside array nestification of external insulation has the annular ring, and annular ring and external insulation integrated into one piece. Under the prior art, the wiring in-process of cable, if the line of walking of cable when changing because of the topography change, great degree buckling can appear in the cable, thereby cause the insulating skin to ftracture, the cracked condition appears in the inner core, to this kind of condition, this product has designed integrated into one piece's annular ring at external insulation surface array, be similar to the design of screwed pipe, the anti bending capability of cable external insulation has been strengthened, when great the buckling appears in the cable, external insulation surface is difficult for ftracturing, thereby effectively protected the inner core of inside, the insulating skin ftracture has been avoided, the cracked condition appears in the inner core.
Description
Technical Field
The utility model relates to a power cable technical field especially relates to a halogen-free flame retarded cable of stretch-proof environment-friendly.
Background
The wire and cable industry, although only a complete set of industries, occupies the value of 1/4, which is the chinese electrical industry. The product has various types and wide application range, relates to the industries of electric power, construction, communication, manufacturing and the like, and is closely related to each department of national economy. The electric wire and cable is also called as artery and nerve of national economy, is a basic device which is indispensable for transmitting electric energy, transmitting information, manufacturing various motors, instruments and meters and realizing electromagnetic energy conversion, and is a necessary basic product in future electrification and information-based society.
At present, domestic power supply cables are used more and more, the cables are electrically connected and signal transmission is carried out between devices, assemblies and assemblies, and systems, the cables are necessary basic elements for forming a complete system, resin, plastics, pvc materials, silicon rubber and the like can be used as non-conductive materials of electric wires at present, the materials are made into insulating layers of the electric wires, electric conductors can be prevented from contacting with the outside, and therefore the situations of electric leakage, short circuit and the like of the electric wires are avoided.
However, most of power cables in the prior art have poor tensile resistance, the cable routing position changes, and when the cable is bent to a large extent, the insulation sheath cracks and the inner core cracks, so that great potential safety hazards are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a stretch-proof environment-friendly halogen-free flame-retardant cable.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a stretch-proof environment-friendly does not have steamed flame retarded cable, includes the inner core, the inner core sets up to single or many, the inner core surface cladding has the internal insulation, the multibeam the external nested external insulation that has of internal insulation of inner core, the outside array nestification of external insulation has the annular ring, and annular ring and external insulation integrated into one piece.
Preferably, the inner side of the outer insulation is provided with a tensile layer, the tensile layer is woven by adopting a copper mesh, and the tensile layer is coated on the surfaces of the multiple beams of inner insulation. The tensile layer is woven by the copper mesh coated on the surface of the inner insulation layer, so that the tensile property of the cable is guaranteed, when the cable is greatly stretched due to the change of cable wiring, the tensile layer can protect the cable, the situation that the cable is broken due to stretching is prevented, and the potential safety hazard is reduced; meanwhile, when the two sections of cables are connected, after the inner cores are spliced, the thin copper wires penetrate through the holes of the tensile layers to connect the tensile layers of the two sections of cables, and therefore the tensile property of the joint of the cables is improved.
Preferably, the inner side of the outer insulation layer is provided with a fixed layer, notches are formed in the outer side array of the fixed layer, and the notches are blind grooves.
Preferably, the end part of the external insulation is detachably connected with a joint, an external insulation fixing cavity, a two-layer fixing cavity and an inner core fixing cavity are sequentially arranged in the joint from the tail part to the head part, the external insulation is clamped in the external insulation fixing cavity, the fixing layer is clamped in the two-layer fixing cavity, and the inner core is wound and fixed in the inner core fixing cavity. When the cable and the joint are fixed, in the traditional technology, the stressed part of the joint is only the inner core, so that the tensile resistance of the joint is poor, in the product, after the inner core is hinged and fixed in the inner core fixing cavity, the fixing layer with the outer insulation removed is inserted into the two-layer fixing cavity, and then the two-layer fixing cavity is filled with insulating glue, so that the fixing layer is attached and fixed with the inner wall of the two-layer fixing cavity, and the notch design of the surface array of the fixing layer ensures larger contact area of the fixing layer and the two-layer fixing cavity, and improves the bonding stability of the glue; finally, the external insulation is clamped in the external insulation fixing cavity, the adjacent two annular rings are clamped and fixed at the external insulation and the joint, and the joint and the cable are fixed in a triple mode through the three modes, so that the tensile resistance of the joint and the cable is effectively improved.
Preferably, a sleeve is arranged at the joint of the joint and the external insulation, and the sleeve is integrally formed at the tail end of the joint. In the prior art, the joint of the joint and the cable shakes due to frequent twisting, and therefore the joint lacks the protection of the cable insulating sheath, and therefore the cable is easy to break.
Preferably, the inner wall of the sleeve is bonded with a filling layer, and the filling layer is made of sponge or rubber. The filling layer made of rubber or sponge protects the cable inside the sleeve, prevents the outer insulation and the harder sleeve from collision and breakage, and protects the cable.
Preferably, a halogen-free filling layer is filled between the outer insulation and the inner insulation.
Advantageous effects
1. Under the prior art, the wiring in-process of cable, if the line of walking of cable when changing because of the topography change, great degree buckling can appear in the cable, thereby cause the insulating skin to ftracture, the cracked condition appears in the inner core, to this kind of condition, this product has designed integrated into one piece's annular ring at external insulation surface array, be similar to the design of screwed pipe, the anti bending capability of cable external insulation has been strengthened, when great the buckling appears in the cable, external insulation surface is difficult for ftracturing, thereby effectively protected the inner core of inside, the insulating skin ftracture has been avoided, the cracked condition appears in the inner core.
2. The tensile layer is woven by the copper mesh coated on the surface of the inner insulation layer, so that the tensile property of the cable is guaranteed, when the cable is greatly stretched due to the change of cable wiring, the tensile layer can protect the cable, the situation that the cable is broken due to stretching is prevented, and the potential safety hazard is reduced; meanwhile, when the two sections of cables are connected, after the inner cores are spliced, the thin copper wires penetrate through the holes of the tensile layers to connect the tensile layers of the two sections of cables, and therefore the tensile property of the joint of the cables is improved.
3. When the cable and the joint are fixed, in the traditional technology, the stressed part of the joint is only the inner core, so that the tensile resistance of the joint is poor, in the product, after the inner core is hinged and fixed in the inner core fixing cavity, the fixing layer with the outer insulation removed is inserted into the two-layer fixing cavity, and then the two-layer fixing cavity is filled with insulating glue, so that the fixing layer is attached and fixed with the inner wall of the two-layer fixing cavity, and the notch design of the surface array of the fixing layer ensures larger contact area of the fixing layer and the two-layer fixing cavity, and improves the bonding stability of the glue; finally, the external insulation is clamped in the external insulation fixing cavity, the adjacent two annular rings are clamped and fixed at the external insulation and the joint, and the joint and the cable are fixed in a triple mode through the three modes, so that the tensile resistance of the joint and the cable is effectively improved.
4. In the prior art, the joint of the joint and the cable shakes due to frequent twisting, and therefore the joint lacks the protection of the cable insulating sheath, and therefore the cable is easy to break. And the filling layer made of rubber or sponge protects the cable inside the sleeve, prevents the external insulation and the harder sleeve from collision and breakage, and protects the cable.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of each layer in the present invention;
fig. 3 is a cross-sectional view of the present invention;
fig. 4 is a cross-sectional view of the middle joint of the present invention;
fig. 5 is a schematic structural diagram of the middle sleeve of the present invention.
Illustration of the drawings:
1. an inner core; 2. internal insulation; 3. a halogen-free filler layer; 4. a fixed layer; 5. a tensile layer; 6. external insulation; 7. an annular ring; 8. a joint; 9. an outer insulating fixed cavity; 10. a second layer of fixed cavities; 11. an inner core fixing cavity; 12. a sleeve; 13. and a protective layer.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
Specific embodiments of the present invention will be described below with reference to the accompanying drawings.
The specific embodiment is as follows:
referring to fig. 1-5, a stretch-proof environment-friendly halogen-free flame retardant cable comprises an inner core 1, wherein the inner core 1 is provided with one or more inner cores, the surface of the inner core 1 is coated with an inner insulation layer 2, the outer layer of the inner insulation layer 2 of the inner cores 1 is nested with an outer insulation layer 6, the outer side of the outer insulation layer 6 is nested with an annular ring 7, and the annular ring 7 and the outer insulation layer 6 are integrally formed. Under the prior art, the wiring in-process of cable, if the line of walking of cable when changing because of the topography change, great degree buckling can appear in the cable, thereby cause the insulating skin to ftracture, the condition of crackle appears in inner core 1, to this kind of condition, this product has designed integrated into one piece's annular ring 7 at 6 surface arrays of external insulation, be similar to the design of screwed pipe, the anti bending capability of 6 external insulation of cable has been strengthened, when great the buckling appears in the cable, 6 difficult ftractures in external insulation surface, thereby effectively protect inside inner core 1, the insulating skin ftracture has been avoided, the condition of crackle appears in inner core 1.
Specifically, the inner side of the outer insulation 6 is provided with a tensile layer 5, the tensile layer 5 is woven by adopting a copper mesh, and the tensile layer 5 is coated on the surface of the multi-beam inner insulation 2. The tensile layer 5 woven by the copper mesh coated on the surface of the inner insulation 2 ensures the tensile resistance of the cable, and when the cable is greatly stretched due to the change of cable wiring, the tensile layer 5 can protect the cable, so that the cable is prevented from being broken due to stretching, and the potential safety hazard is reduced; meanwhile, when the two sections of cables are connected, after the inner core 1 is spliced, the thin copper wire penetrates through the hole of the tensile layer 5 to connect the tensile layers 5 of the two sections of cables, so that the tensile property of the joint of the cables is improved.
Specifically, the inner side of the outer insulation 6 is provided with a fixed layer 4, notches are formed in the outer side of the fixed layer 4 in an array mode, and the notches are blind grooves.
Specifically, the tip detachably of external insulation 6 is connected with connects 8, connects 8 inside and is equipped with the fixed chamber of external insulation 9 from the afterbody to the head in proper order, the fixed chamber of two layers 10 and the fixed chamber of inner core 11, and 6 block of external insulation are in the fixed chamber of external insulation 9, and fixed layer 4 blocks in two layers 10, and 1 winding of inner core is fixed in the fixed chamber of inner core 11. When the cable and the joint 8 are fixed, in the traditional technology, the stress part at the joint is only the inner core 1, so that the tensile resistance at the joint 8 is poor, in the product, after the inner core 1 is fixedly spliced in the inner core fixing cavity 11, the fixing layer 4 with the external insulation 6 stripped is inserted into the two-layer fixing cavity 10, and then the two-layer fixing cavity 10 is filled with insulating glue, so that the inner walls of the fixing layer 4 and the two-layer fixing cavity 10 are fixedly attached, and the notch design of the surface array of the fixing layer 4 ensures larger contact area of the fixing layer 4 and the two-layer fixing cavity 10, and improves the bonding stability of the glue; finally, the external insulation 6 is clamped in the external insulation fixing cavity 9, the adjacent two annular rings 7 are clamped and fixed on the external insulation 6 and the joint 8, and the joint 8 and the cable are fixed in a triple mode through the three modes, so that the tensile resistance of the joint 8 and the cable is effectively improved.
Specifically, a sleeve 12 is arranged at the joint of the joint 8 and the external insulator 6, and the sleeve 12 is integrally formed at the tail end of the joint 8. In the prior art, the joint of the joint 8 and the cable is frequently twisted and shaken, and therefore the joint 8 lacks the protection of the cable insulating sheath, and the cable is easy to break, and in the product, the sleeve 12 is designed at the joint of the joint 8 and the cable, so that the length of the joint of the cable and the joint 8 is prolonged, the joint is frequently twisted and shaken and is protected by the outer insulation 6, and the fatigue fracture of the cable is effectively prevented.
Specifically, the inner wall of the casing 12 is bonded with a filling layer, and the filling layer is made of sponge or rubber. The filling layer made of rubber or sponge protects the cables inside the sleeve 12, prevents the outer insulation 6 and the harder sleeve 12 from collision and fracture, and protects the cables.
Specifically, the halogen-free filling layer 3 is filled between the outer insulation 6 and the inner insulation.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a stretch-proof environment-friendly halogen-free flame retardant cable, includes inner core (1), inner core (1) sets up to single or many, its characterized in that: the surface of the inner core (1) is coated with an inner insulator (2), a plurality of beams are embedded in the outer layer of the inner insulator (2) of the inner core (1) to form an outer insulator (6), the outer side of the outer insulator (6) is embedded in an array to form an annular ring (7), and the annular ring (7) and the outer insulator (6) are integrally formed.
2. The stretch-proof environment-friendly halogen-free flame retardant cable according to claim 1, characterized in that: the inner side of the outer insulation (6) is provided with a tensile layer (5), the tensile layer (5) is woven by adopting a copper mesh, and the tensile layer (5) is coated on the surface of the multi-beam inner insulation (2).
3. The stretch-proof environment-friendly halogen-free flame retardant cable according to claim 2, characterized in that: the inner side of the outer insulation layer (6) is provided with a fixed layer (4), notches are formed in the outer side of the fixed layer (4) in an array mode, and the notches are blind grooves.
4. The stretch-proof environment-friendly halogen-free flame retardant cable according to claim 3, characterized in that: the tip detachably of external insulation (6) is connected with and connects (8), connect (8) inside and be equipped with external insulation fixed cavity (9) from the afterbody to the head in proper order, two layers of fixed cavity (10) and the fixed cavity of inner core (11), external insulation (6) block is in external insulation fixed cavity (9), fixed layer (4) block is in two layers of fixed cavity (10), inner core (1) winding is fixed in the fixed cavity of inner core (11).
5. The stretch-proof environment-friendly halogen-free flame retardant cable according to claim 4, characterized in that: a sleeve (12) is arranged at the joint of the joint (8) and the external insulation (6), and the sleeve (12) is integrally formed at the tail end of the joint (8).
6. The stretch-proof environment-friendly halogen-free flame retardant cable according to claim 5, characterized in that: the inner wall of the sleeve (12) is bonded with a protective layer (13), and the protective layer (13) is made of sponge or rubber.
7. The stretch-proof environment-friendly halogen-free flame retardant cable according to claim 1, characterized in that: and a halogen-free filling layer (3) is filled between the outer insulation (6) and the inner insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121511603.XU CN215265648U (en) | 2021-07-05 | 2021-07-05 | Stretch-proof environment-friendly halogen-free flame-retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121511603.XU CN215265648U (en) | 2021-07-05 | 2021-07-05 | Stretch-proof environment-friendly halogen-free flame-retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215265648U true CN215265648U (en) | 2021-12-21 |
Family
ID=79487099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121511603.XU Expired - Fee Related CN215265648U (en) | 2021-07-05 | 2021-07-05 | Stretch-proof environment-friendly halogen-free flame-retardant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215265648U (en) |
-
2021
- 2021-07-05 CN CN202121511603.XU patent/CN215265648U/en not_active Expired - Fee Related
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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: 20211221 |