CN214847863U - Environment-friendly, non-toxic and flame-retardant cable - Google Patents
Environment-friendly, non-toxic and flame-retardant cable Download PDFInfo
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- CN214847863U CN214847863U CN202121010545.2U CN202121010545U CN214847863U CN 214847863 U CN214847863 U CN 214847863U CN 202121010545 U CN202121010545 U CN 202121010545U CN 214847863 U CN214847863 U CN 214847863U
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- retardant
- filling
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 148
- 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 135
- 231100000252 nontoxic Toxicity 0.000 title claims abstract description 25
- 230000003000 nontoxic effect Effects 0.000 title claims abstract description 25
- 238000011049 filling Methods 0.000 claims abstract description 65
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 22
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 20
- 239000000347 magnesium hydroxide Substances 0.000 claims description 20
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 238000009413 insulation Methods 0.000 claims description 8
- 229920000728 polyester Polymers 0.000 claims description 8
- 239000000779 smoke Substances 0.000 claims description 8
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 claims description 4
- 229920006037 cross link polymer Polymers 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 4
- 229920000098 polyolefin Polymers 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims 1
- 150000002367 halogens Chemical class 0.000 claims 1
- 239000004945 silicone rubber Substances 0.000 claims 1
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 6
- 230000002787 reinforcement Effects 0.000 abstract description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 12
- 230000000694 effects Effects 0.000 description 12
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 6
- 229910001626 barium chloride Inorganic materials 0.000 description 6
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 6
- 230000005856 abnormality Effects 0.000 description 4
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 230000002401 inhibitory effect Effects 0.000 description 4
- 239000012796 inorganic flame retardant Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an environment-friendly nontoxic flame-retardant cable, which comprises an outer sheath, a flame retardant layer, a filling and fixing layer, an outer fireproof layer, a cable shielding layer, an inner fireproof layer, a filling layer, a cable and a reinforcement; the flame retardant layer is arranged on the inner side of the outer sheath and is arranged on the outer surface of the filling fixing layer; the inner side of the filling and fixing layer is sequentially provided with an outer fireproof layer, a cable shielding layer and an inner fireproof layer; the inner fireproof layer wraps the outside of the filling layer, and a cable and a reinforcing piece are arranged in the filling layer; the flame retardant layer is composed of a storage bag, and the inner side of the storage bag is fixed on the outer surface of the filling fixing layer; a diaphragm is arranged in the storage bag, the diaphragm divides the storage bag into an outer cavity and an inner cavity, and the outer cavity and the inner cavity are respectively an outer flame-retardant storage bag and an inner flame-retardant storage bag; the outer flame-retardant storage bag is filled with a first flame retardant, and the inner flame-retardant storage bag is filled with a second flame retardant. The utility model has the characteristics of the multilayer is fire-retardant, initiatively put out a fire, environmental friendly.
Description
Technical Field
The utility model relates to a nontoxic fire-retardant cable of environmental protection, especially a nontoxic fire-retardant cable of environmental protection that has that the multilayer is fire-retardant, initiatively put out a fire-retardant, environment friendly.
Background
Electrical wire cables are made up of one or more mutually insulated conductors and an outer insulating sheath, the conductors carrying power or information from one location to another, usually rope-like cables made up of several or groups of conductors (at least two in each group) twisted together, each group being insulated from each other and often twisted around a center, the whole being covered with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation, and the more complex the product structure is, the more the superimposed layers are.
With the increasing need for urban safety, flame retardancy and fire resistance have become the major trends in cable products. If accidental combustion occurs to cables with poor fire resistance, disasters are easily caused, a large number of harmful substances are released, and serious pollution and economic loss are caused, so that a network cable with good fire resistance and flame resistance and green and environment-friendly components needs to be provided to avoid the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a but nontoxic fire-retardant cable of environmental protection with multilayer is fire-retardant, initiatively put out a fire-retardant, environment friendly.
The purpose of the utility model can be realized by the following technical scheme:
an environment-friendly nontoxic flame-retardant cable comprises an outer sheath, a flame retardant layer, a filling and fixing layer, an outer fireproof layer, a cable shielding layer, an inner fireproof layer, a filling layer, a cable and a reinforcing piece;
the flame retardant layer is arranged on the inner side of the outer sheath and is arranged on the outer surface of the filling fixing layer; the inner side of the filling and fixing layer is sequentially provided with an outer fireproof layer, a cable shielding layer and an inner fireproof layer; the inner fireproof layer wraps the outside of the filling layer, and a cable and a reinforcing piece are arranged in the filling layer;
the flame retardant layer is composed of a storage bag, and the inner side of the storage bag is fixed on the outer surface of the filling fixing layer; a diaphragm is arranged in the storage bag, the diaphragm divides the storage bag into an outer cavity and an inner cavity, and the outer cavity and the inner cavity are respectively an outer flame-retardant storage bag and an inner flame-retardant storage bag; the outer flame-retardant storage bag is filled with a first flame retardant, and the inner flame-retardant storage bag is filled with a second flame retardant;
the outer sheath is a low-smoke halogen-free flame-retardant polyolefin sheath; the first flame retardant in the outer flame-retardant storage bag is magnesium hydroxide powder; the second flame retardant in the internal flame-retardant storage bag is aluminum hydroxide powder; the filling fixing layer is a flame-retardant polyester layer; the filling layer is a halogen-free non-crosslinked polymer filling layer;
a plurality of independent storage bags on the flame retardant layer are arranged in an arc surface along the outer surface of the filling and fixing layer;
the cable shielding layer is formed by embedding a halogen-free flame-retardant silicon rubber into a shielding metal net;
the reinforcing part is positioned in the center of the cable, and the plurality of cables are arranged in a circular matrix along the outer side of the reinforcing part;
the cable comprises a cable core, a cable insulating layer, a cable shielding layer and a cable isolating layer, wherein the cable core is positioned in the center of the cable, the cable insulating layer is arranged outside the cable core, the cable shielding layer is arranged outside the cable insulating layer, and the cable shielding layer is wrapped by the cable isolating layer;
a metal core is arranged in the reinforcing part, and a plurality of metal cores are contained in the reinforcing part; an insulating shielding sleeve is arranged on the outer layer of the reinforcing piece, and the insulating shielding sleeve and the metal core are filled through a reinforcing piece filling layer;
the plurality of metal cores are spirally wound around each other in the cable direction.
The utility model provides a nontoxic fire-retardant cable of environmental protection has the fire-retardant, the environment-friendly characteristics of initiatively putting out a fire of multilayer. The utility model has the advantages that: the magnesium hydroxide of the first flame retardant and the aluminum hydroxide of the second flame retardant both have good flame retardant effects and have non-toxic, environment-friendly, smoke-inhibiting and environment-friendly inorganic flame retardants, but the magnesium hydroxide has high decomposition temperature, the reduction resistance and the strength of the magnesium hydroxide are better than those of the aluminum hydroxide, but the flame retardant capability is slightly weaker than that of the aluminum hydride; the flame retardant effect is gradually improved and improved through the arrangement of magnesium hydroxide and aluminum hydroxide from outside to inside; the filling and fixing layers of the flame-retardant polyester layer have flame-retardant effects; when the fixed filling layer is burnt from outside to inside to damage the fixed filling layer, the barium chloride and the talcum powder in the outer fireproof layer directly destroy the fire entering the outer fireproof layer; the inner fireproof layer in the cable is used for extinguishing fire caused by cable abnormality in the cable; the filling layer is made of environment-friendly flame retardant material;
the cable shielding layer shields the electromagnetic interference inside and outside the cable;
the cable is of a multi-core structure, and each cable is provided with an electromagnetic shielding cable shielding layer, so that mutual electromagnetic interference of the cables in the cable is avoided.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic cross-sectional structure view of an environment-friendly, non-toxic and flame-retardant cable according to the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is a schematic diagram of a cable cross-sectional structure of an environment-friendly, non-toxic and flame-retardant cable according to the present invention;
fig. 4 is a schematic view of a cross-sectional structure of a reinforcing member of the environment-friendly, non-toxic and flame-retardant cable of the present invention.
In the figure: 1. an outer sheath; 2. a flame retardant layer; 21. an outer flame retardant storage bladder; 22. an inner flame retardant storage bladder; 3. Filling the fixed layer; 4. an outer fire barrier layer; 5. a cable shielding layer; 6. an inner fire barrier layer; 7. a filling layer; 8. a cable; 81. a cable core; 82. a cable insulation layer; 83. a cable shielding layer; 84. a cable insulation layer; 9. a reinforcement; 91. a metal core; 92. a reinforcement fill layer; 93. and an insulating shielding sleeve.
Detailed Description
The purpose of the utility model can be realized by the following technical scheme:
an environment-friendly, non-toxic and flame-retardant cable is shown in figures 1-4 and comprises an outer sheath 1, a flame retardant layer 2, a filling and fixing layer 3, an outer fireproof layer 4, a cable shielding layer 5, an inner fireproof layer 6, a filling layer 7, a cable 8 and a reinforcing piece 9;
the flame retardant layer 2 is arranged on the inner side of the outer sheath 1, and the flame retardant layer 2 is arranged on the outer surface of the filling fixing layer 3; the inner side of the filling and fixing layer 3 is sequentially provided with an outer fireproof layer 4, a cable shielding layer 5 and an inner fireproof layer 6; the inner fireproof layer 6 is wrapped outside the filling layer 7, and a cable 8 and a reinforcing piece 9 are arranged in the filling layer 7;
the flame retardant layer 2 is composed of a storage bag, and the inner side of the storage bag is fixed on the outer surface of the filling and fixing layer 3; a diaphragm is arranged in the storage bag, and divides the storage bag into an outer cavity and an inner cavity, wherein the outer cavity and the inner cavity are respectively an outer flame-retardant storage bag 21 and an inner flame-retardant storage bag 22; the outer flame-retardant storage bag 21 is filled with a first flame retardant, and the inner flame-retardant storage bag 22 is filled with a second flame retardant;
the outer sheath 1 is a low-smoke halogen-free flame-retardant polyolefin sheath; the first flame retardant in the outer flame-retardant storage bag 21 is magnesium hydroxide powder; the second flame retardant in the internal flame-retardant storage bag 22 is aluminum hydroxide powder; the filling fixing layer 3 is a flame-retardant polyester layer; the outer fireproof layer 4 and the inner fireproof layer 6 are formed by mixing barium chloride and talcum powder; the filling layer 7 is a halogen-free non-crosslinked polymer filling layer; when the outer sheath 1 is damaged at high temperature and further burns towards the flame retardant layer 2, the outer flame-retardant storage bag 21 is damaged by burning, and after the first flame retardant is damaged, flame retardance is carried out on the external fire of the cable; when the first flame retardant is not enough to suppress the fire, the inner flame-retardant storage bag 22 is burnt and damaged, and the second flame retardant in the inner flame-retardant storage bag 22 is released outwards to carry out secondary flame retardance; magnesium hydroxide and aluminum hydroxide both have good flame retardant effect, and have non-toxic, environment-friendly, smoke-inhibiting and environment-friendly inorganic flame retardants, but the decomposition temperature of magnesium hydroxide is high, the reduction resistance and the strong point of magnesium hydroxide are better than those of aluminum hydroxide, but the flame retardant capability is slightly weaker than that of aluminum hydride; the flame retardant effect is gradually improved and improved through the arrangement of magnesium hydroxide and aluminum hydroxide from outside to inside; the filling and fixing layers 3 of the flame-retardant polyester layer have flame-retardant effects; when the fixed filling layer 3 is burnt from outside to inside in the fire, so that the fixed filling layer 3 is damaged, the barium chloride and the talcum powder in the outer fireproof layer 4 directly destroy the fire entering the outer fireproof layer 4; the inner fire-proof layer 6 in the cable is used for extinguishing fire caused by abnormality of the cable 8 in the cable; the filling layer 7 is an environment-friendly flame retardant material;
a plurality of independent storage bags on the flame retardant layer 2 are arranged in an arc surface along the outer surface of the filling and fixing layer 3;
the cable shielding layer 5 is formed by embedding a halogen-free flame-retardant silicon rubber into a shielding metal net; the cable shielding layer 5 shields the electromagnetic interference inside and outside the cable;
the reinforcing part 9 is positioned in the center of the cable, and the plurality of cables 8 are arranged in a circular matrix along the outer side of the reinforcing part 9;
the cable 8 comprises a cable core 81, a cable insulation layer 82, a cable shielding layer 83 and a cable isolation layer 84, wherein the cable core 81 is positioned in the center of the cable 8, the cable insulation layer 82 is arranged on the outer side of the cable core 81, the cable shielding layer 83 is arranged on the outer layer of the cable insulation layer 82, and the outer layer of the cable shielding layer 83 is wrapped by the cable isolation layer 84; the cable is of a multi-core structure, and each cable 8 is provided with an electromagnetic shielding cable shielding layer 83, so that the cables 8 in the cable are prevented from electromagnetic interference;
a metal core 91 is arranged in the reinforcing part 9, and a plurality of metal cores 91 are contained in the reinforcing part 9; an insulating shielding sleeve 93 is arranged on the outer layer of the reinforcing piece 9, and the space between the insulating shielding sleeve 93 and the metal core 91 is filled through a reinforcing piece filling layer 92;
a plurality of the metal cores 91 are spirally wound around each other in the cable direction.
The utility model discloses a theory of operation:
the utility model is characterized in that the flame retardant layer 2 is composed of a storage bag, the inner side of the storage bag is fixed on the outer surface of the filling fixed layer 3; a diaphragm is arranged in the storage bag, and divides the storage bag into an outer cavity and an inner cavity, wherein the outer cavity and the inner cavity are respectively an outer flame-retardant storage bag 21 and an inner flame-retardant storage bag 22; the outer flame-retardant storage bag 21 is filled with a first flame retardant, and the inner flame-retardant storage bag 22 is filled with a second flame retardant;
the outer sheath 1 is a low-smoke halogen-free flame-retardant polyolefin sheath; the first flame retardant in the outer flame-retardant storage bag 21 is magnesium hydroxide powder; the second flame retardant in the internal flame-retardant storage bag 22 is aluminum hydroxide powder; the filling fixing layer 3 is a flame-retardant polyester layer; the outer fireproof layer 4 and the inner fireproof layer 6 are formed by mixing barium chloride and talcum powder; the filling layer 7 is a halogen-free non-crosslinked polymer filling layer; when the outer sheath 1 is damaged at high temperature and further burns towards the flame retardant layer 2, the outer flame-retardant storage bag 21 is damaged by burning, and after the first flame retardant is damaged, flame retardance is carried out on the external fire of the cable; when the first flame retardant is not enough to suppress the fire, the inner flame-retardant storage bag 22 is burnt and damaged, and the second flame retardant in the inner flame-retardant storage bag 22 is released outwards to carry out secondary flame retardance; magnesium hydroxide and aluminum hydroxide both have good flame retardant effect, and have non-toxic, environment-friendly, smoke-inhibiting and environment-friendly inorganic flame retardants, but the decomposition temperature of magnesium hydroxide is high, the reduction resistance and the strong point of magnesium hydroxide are better than those of aluminum hydroxide, but the flame retardant capability is slightly weaker than that of aluminum hydride; the flame retardant effect is gradually improved and improved through the arrangement of magnesium hydroxide and aluminum hydroxide from outside to inside; the filling and fixing layers 3 of the flame-retardant polyester layer have flame-retardant effects; when the fixed filling layer 3 is burnt from outside to inside in the fire, so that the fixed filling layer 3 is damaged, the barium chloride and the talcum powder in the outer fireproof layer 4 directly destroy the fire entering the outer fireproof layer 4; the inner fire-proof layer 6 in the cable is used for extinguishing fire caused by abnormality of the cable 8 in the cable; the filling layer 7 is an environment-friendly flame retardant material;
the cable shielding layer 5 shields the electromagnetic interference inside and outside the cable;
the cable is of a multi-core structure, and each cable 8 is provided with an electromagnetic shielding cable shielding layer 83, so that mutual electromagnetic interference of the cables 8 in the cable is avoided.
The utility model provides a nontoxic fire-retardant cable of environmental protection has the fire-retardant, the environment-friendly characteristics of initiatively putting out a fire of multilayer. The utility model has the advantages that: the magnesium hydroxide of the first flame retardant and the aluminum hydroxide of the second flame retardant both have good flame retardant effects and have non-toxic, environment-friendly, smoke-inhibiting and environment-friendly inorganic flame retardants, but the magnesium hydroxide has high decomposition temperature, the reduction resistance and the strength of the magnesium hydroxide are better than those of the aluminum hydroxide, but the flame retardant capability is slightly weaker than that of the aluminum hydride; the flame retardant effect is gradually improved and improved through the arrangement of magnesium hydroxide and aluminum hydroxide from outside to inside; the filling and fixing layers of the flame-retardant polyester layer have flame-retardant effects; when the fixed filling layer is burnt from outside to inside to damage the fixed filling layer, the barium chloride and the talcum powder in the outer fireproof layer directly destroy the fire entering the outer fireproof layer; the inner fireproof layer in the cable is used for extinguishing fire caused by cable abnormality in the cable; the filling layer is made of environment-friendly flame retardant material;
the cable shielding layer shields the electromagnetic interference inside and outside the cable;
the cable is of a multi-core structure, and each cable is provided with an electromagnetic shielding cable shielding layer, so that mutual electromagnetic interference of the cables in the cable is avoided.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (8)
1. An environment-friendly, non-toxic and flame-retardant cable comprises an outer sheath (1), a flame retardant layer (2), a filling and fixing layer (3), an outer fireproof layer (4), a cable shielding layer (5), an inner fireproof layer (6), a filling layer (7), a cable (8) and a reinforcing piece (9), and is characterized in that;
the flame retardant layer (2) is arranged on the inner side of the outer sheath (1), and the flame retardant layer (2) is arranged on the outer surface of the filling fixing layer (3); the inner side of the filling and fixing layer (3) is sequentially provided with an outer fireproof layer (4), a cable shielding layer (5) and an inner fireproof layer (6); the inner fireproof layer (6) is wrapped outside the filling layer (7), and a cable (8) and a reinforcing piece (9) are arranged in the filling layer (7);
the flame retardant layer (2) is composed of a storage bag, and the inner side of the storage bag is fixed on the outer surface of the filling and fixing layer (3); a diaphragm is arranged in the storage bag, the diaphragm divides the storage bag into an outer cavity and an inner cavity, and the outer cavity and the inner cavity are respectively an outer flame-retardant storage bag (21) and an inner flame-retardant storage bag (22); the outer flame-retardant storage bag (21) is filled with a first flame retardant, and the inner flame-retardant storage bag (22) is filled with a second flame retardant.
2. The environment-friendly, non-toxic and flame retardant cable according to claim 1, wherein the outer sheath (1) is a low smoke, halogen free and flame retardant polyolefin sheath; the first flame retardant in the outer flame-retardant storage bag (21) is magnesium hydroxide powder; the second flame retardant in the internal flame-retardant storage bag (22) is aluminum hydroxide powder; the filling fixing layer (3) is a flame-retardant polyester layer; the filling layer (7) is a halogen-free non-crosslinked polymer filling layer.
3. The environment-friendly, non-toxic and flame-retardant cable according to claim 1, wherein the plurality of independent storage bags on the flame retardant layer (2) are arranged in an arc shape along the outer surface of the filling and fixing layer (3).
4. The environment-friendly, non-toxic and flame retardant cable according to claim 1, wherein the cable shielding layer (5) is composed of a halogen-free flame retardant silicone rubber embedded shielding metal mesh.
5. An environmentally friendly, non-toxic, flame retardant cable according to claim 1, wherein the strength member (9) is located at the center of the cable and the plurality of electrical cables (8) are arranged in a circular matrix along the outside of the strength member (9).
6. The environment-friendly, non-toxic and flame-retardant cable according to claim 1, wherein the cable (8) comprises a cable core (81), a cable insulation layer (82), a cable shielding layer (83) and a cable isolation layer (84), the cable core (81) is located in the center of the cable (8), the cable insulation layer (82) is arranged on the outer side of the cable core (81), the cable shielding layer (83) is arranged on the outer layer of the cable insulation layer (82), and the outer layer of the cable shielding layer (83) is wrapped by the cable isolation layer (84).
7. An environmentally friendly, non-toxic, flame retardant cable according to claim 1, wherein a metal core (91) is disposed within the strength member (9), and a plurality of metal cores (91) are contained within the strength member (9); an insulating shielding sleeve (93) is arranged on the outer layer of the reinforcing piece (9), and the insulating shielding sleeve (93) and the metal core (91) are filled through a reinforcing piece filling layer (92).
8. An environment-friendly, non-toxic and flame retardant cable as claimed in claim 7, wherein a plurality of said metal cores (91) are helically wound around each other in the cable direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121010545.2U CN214847863U (en) | 2021-05-12 | 2021-05-12 | Environment-friendly, non-toxic and flame-retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121010545.2U CN214847863U (en) | 2021-05-12 | 2021-05-12 | Environment-friendly, non-toxic and flame-retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214847863U true CN214847863U (en) | 2021-11-23 |
Family
ID=78773690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121010545.2U Expired - Fee Related CN214847863U (en) | 2021-05-12 | 2021-05-12 | Environment-friendly, non-toxic and flame-retardant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214847863U (en) |
-
2021
- 2021-05-12 CN CN202121010545.2U patent/CN214847863U/en not_active Expired - Fee Related
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Granted publication date: 20211123 |