CN220137995U - High-flame-retardance soft coaxial cable - Google Patents
High-flame-retardance soft coaxial cable Download PDFInfo
- Publication number
- CN220137995U CN220137995U CN202320533405.6U CN202320533405U CN220137995U CN 220137995 U CN220137995 U CN 220137995U CN 202320533405 U CN202320533405 U CN 202320533405U CN 220137995 U CN220137995 U CN 220137995U
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- China
- Prior art keywords
- wall
- flame retardant
- cable
- flame
- coaxial cable
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- 239000003063 flame retardant Substances 0.000 claims abstract description 55
- 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 claims abstract description 43
- 239000004020 conductor Substances 0.000 claims abstract description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 17
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 17
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910052736 halogen Inorganic materials 0.000 abstract description 4
- 150000002367 halogens Chemical class 0.000 abstract description 4
- 239000012188 paraffin wax Substances 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract description 3
- 230000002269 spontaneous effect Effects 0.000 abstract description 3
- 230000002195 synergetic effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000012757 flame retardant agent Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004801 Chlorinated PVC Substances 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920000457 chlorinated polyvinyl chloride Polymers 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- NBMMYUUHZVNLKL-UHFFFAOYSA-N ethene;1,1,2-trifluoroethene Chemical group C=C.FC=C(F)F NBMMYUUHZVNLKL-UHFFFAOYSA-N 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a high-flame-retardance soft coaxial cable, which relates to the field of coaxial cables and comprises an electrically conductive copper wire and a flame-retardant mechanism, wherein an insulating sleeve is sleeved on the outer wall of the electrically conductive copper wire, a net-shaped conductor is sleeved on the outer wall of the insulating sleeve, a cable sheath is sleeved on the outer wall of the net-shaped conductor, and the flame-retardant mechanism is arranged on the outer wall of the cable sheath. According to the utility model, through the arranged flame retardant mechanism, when the coaxial cable is used, such as under the condition of overhigh cable load temperature, the flame retardant polyvinyl chloride in the flame retardant mechanism can prevent the cable from spontaneous combustion, and the halogen flame retardant, the chlorinated paraffin and the synergistic flame retardant are added in the formula of the flame retardant polyvinyl chloride to improve the flame retardance of the polyvinyl chloride, so that the phenomenon of fire of the cable caused by overhigh temperature can be avoided, and meanwhile, the flame retardant mechanism can also provide a protective effect on the cable sheath, so that the cable sheath is prevented from being worn due to long-time dragging during the installation of the cable.
Description
Technical Field
The utility model relates to the field of coaxial cables, in particular to a high-flame-retardance soft coaxial cable.
Background
Coaxial cable is a wire and signal transmission line, which can be used for transmission of analog signals and digital signals, and is suitable for various applications, wherein the most important cable television transmission, long distance telephone transmission, short distance connection between computer systems, local area network, etc., the coaxial cable has been rapidly developed as a means for transmitting television signals to thousands of households, which is cable television, a cable television system can load tens or hundreds of television channels, the transmission range of which can reach tens of kilometers, and the coaxial cable is an important component of long distance telephone network, and today, it faces increasingly strong competition from optical fibers, terrestrial microwaves and satellites, so a high flame-retardant soft coaxial cable is required.
The prior art publication No. CN108752720A provides a high-flame-retardance soft coaxial cable sheath material and a preparation method thereof, and the sheath material has good flame retardance; according to the utility model, ethylene trifluoro ethylene copolymer, ethylene acrylic ester glycidyl methacrylate terpolymer and ethylene propylene rubber are secondarily crosslinked and compounded, vulcanization is not needed, the production method is simple, the processing and the use are convenient, the sheath material is high in strength, good in environmental stress cracking resistance, ageing-resistant and strong in chemical corrosion resistance, and the cable is suitable for application under various environmental conditions, but when the CN108752720A technology is used, the flame retardance of the coaxial cable is poor, a fire phenomenon can occur when the cable load is too high, the flame retardance efficiency is low, and the problem that the whole cable is burnt and scrapped is easily caused, so that the high flame retardance soft coaxial cable is urgently needed.
Disclosure of Invention
Based on the above, the utility model aims to provide a high-flame-retardance soft coaxial cable, so as to solve the problems that the existing high-flame-retardance soft coaxial cable is poor in flame retardance when in use, a fire phenomenon possibly occurs when the cable is excessively loaded, the flame retardance efficiency is low, and the whole cable is easy to burn and discard.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a soft coaxial cable of high fire resistance, includes electrically conductive copper line and fire-retardant mechanism, the outer wall cover of electrically conductive copper line is equipped with insulating cover, and the outer wall cover of insulating cover is equipped with netted electric conductor, the outer wall cover of netted electric conductor is equipped with the cable crust, fire-retardant mechanism sets up the outer wall of cable crust.
Preferably, the inner wall of the insulating sleeve is tightly attached to the inner wall of the conductive copper wire, and the size of the inner wall of the insulating sleeve is matched with the size of the outer wall of the conductive copper wire.
Preferably, the inner wall of the mesh-shaped conductor is closely attached to the outer wall of the insulating sleeve, and the size of the inner wall of the mesh-shaped conductor is matched with the size of the outer wall of the insulating sleeve.
Preferably, the flame retardant mechanism comprises a mounting flange, a fixing rod, a splicing flange and flame retardant polyvinyl chloride, wherein the mounting flange is arranged at two ends of the outer wall of the cable sheath, the fixing rod is connected with the inner wall of the mounting flange through screws, the splicing flange is connected with the outer wall of the mounting flange through screws, and the flame retardant polyvinyl chloride is arranged on the outer wall of the splicing flange.
Preferably, the splicing flange is in threaded connection with the mounting flange through a fixing rod, and the outer wall of the fixing rod and the inner wall of the mounting flange are in threaded arrangement.
Preferably, the mounting flanges are arranged axisymmetrically with respect to the central axis of the cable sheath, and each mounting flange has the same size.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through the arranged flame-retardant mechanism, when the coaxial cable is used, such as under the condition of overhigh cable load temperature, the flame-retardant polyvinyl chloride in the flame-retardant mechanism can prevent the cable from spontaneous combustion, and the halogen flame retardant, the chlorinated paraffin and the synergistic flame retardant are added in the formula of the flame-retardant polyvinyl chloride to improve the flame retardance of the polyvinyl chloride, so that the phenomenon of fire of the cable caused by overhigh temperature can be avoided, and meanwhile, the flame-retardant mechanism can also provide a protective effect on the cable sheath, so that the cable sheath is prevented from being worn due to long-time dragging during the installation of the cable;
2. the insulating sleeve and the netlike conductor are arranged, so that the insulating sleeve can provide an insulating effect for the outside of the conductive copper wire when the cable is used, electric leakage is avoided, and meanwhile, the conductive performance of the inner conductor of the whole cable can be improved when the cable is used through the netlike conductor.
Drawings
FIG. 1 is a side cross-sectional view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a schematic view of a flame retardant mechanism according to the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.
In the figure: 1. an electrically conductive copper wire; 2. an insulating sleeve; 3. a mesh-shaped conductor; 4. a cable sheath; 5. a flame retardant mechanism; 501. a mounting flange; 502. a fixed rod; 503. splicing flanges; 504. flame retardant polyvinyl chloride.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.
Referring to fig. 1-4, a high flame-retardant flexible coaxial cable comprises a conductive copper wire 1 and a flame-retardant mechanism 5, wherein an insulating sleeve 2 is sleeved on the outer wall of the conductive copper wire 1, the inner wall of the insulating sleeve 2 is tightly attached to the inner wall of the conductive copper wire 1, the inner wall of the insulating sleeve 2 is matched with the outer wall of the conductive copper wire 1 in size, a mesh conductor 3 is sleeved on the outer wall of the insulating sleeve 2, the inner wall of the mesh conductor 3 is tightly attached to the outer wall of the insulating sleeve 2, and the inner wall of the mesh conductor 3 is matched with the outer wall of the insulating sleeve 2, so that an insulating effect can be provided for the outer part of the conductive copper wire 1 through the insulating sleeve 2 when the coaxial cable is convenient to use, electric leakage is avoided, and meanwhile, the conductivity of the inner conductor of the whole cable can be improved when the coaxial cable is used through the mesh conductor 3.
Referring to fig. 1-4, a high-flame-retardance soft coaxial cable is disclosed, a cable sheath 4 is sleeved on the outer wall of a netlike conductor 3, a flame-retardant mechanism 5 is arranged on the outer wall of the cable sheath 4, the flame-retardant mechanism 5 comprises a mounting flange 501, a fixing rod 502, a splicing flange 503 and flame-retardant polyvinyl chloride 504, the mounting flange 501 is arranged at two ends of the outer wall of the cable sheath 4, the fixing rod 502 is connected with the inner wall of the mounting flange 501 through screws, the splicing flange 503 is in threaded connection with the mounting flange 501 through the fixing rod 502, the outer wall of the fixing rod 502 and the inner wall of the mounting flange 501 are in threaded arrangement, the mounting flange 501 is symmetrically arranged by taking the central axis of the cable sheath 4 as an axis, and each mounting flange 501 is identical in size, so that when the coaxial cable is used, for example, under the condition of overhigh cable load temperature, the flame-retardant polyvinyl chloride 504 in the flame-retardant mechanism 5 can prevent the cable from self-burning, halogen flame retardant agent, chlorinated polyvinyl chloride and paraffin flame retardant agent are added in the formula of the flame-retardant polyvinyl chloride 504 to improve the flame retardant mechanism, the flame retardant mechanism can avoid the situation that the cable is prevented from being pulled by the cable sheath 4 because the cable is too high, and simultaneously, the cable sheath 4 can be prevented from being pulled by the cable from being worn due to the high flame-retardant mechanism when the cable is provided.
Working principle: when the cable is installed, splice flange 503 that is connected with fire-retardant polyvinyl chloride 504 in fire-retardant mechanism 5 is installed through dead lever 502 and mounting flange 501 at first, through fire-retardant mechanism 5 that sets up, be convenient for when coaxial cable is used like this, can prevent the cable spontaneous combustion through fire-retardant polyvinyl chloride 504 in fire-retardant mechanism 5 under the too high condition of cable load temperature, because halogen fire retardant, chlorinated paraffin and synergistic fire retardant have been added to fire-retardant polyvinyl chloride 504's formula, can avoid the cable to cause the fire phenomenon because of the high temperature, simultaneously also can provide protective effect through fire-retardant mechanism 5 to cable sheath 4, avoid cable sheath 4 wearing and tearing because of long-time dragging when installing, in addition, when using, through insulating sleeve 2 and netted electric conductor 3 that sets up, can provide insulating effect to the outside of electrically conductive copper line 1 through insulating sleeve 2 like this, avoid, simultaneously can improve the conductive property of whole cable inner conductor when using through netted electric conductor 3, the use process has been accomplished in this, the use of device has just so completed, the electric leakage is not described in detail in the technical field of the prior art.
The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present utility model.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides a soft coaxial cable of high fire resistance, includes electrically conductive copper line (1) and fire-retardant mechanism (5), its characterized in that: the outer wall cover of electrically conductive copper line (1) is equipped with insulating cover (2), and the outer wall cover of insulating cover (2) is equipped with netted electric conductor (3), the outer wall cover of netted electric conductor (3) is equipped with cable crust (4), flame retardant machanism (5) set up the outer wall of cable crust (4).
2. The high flame retardant flexible coaxial cable according to claim 1, wherein: the inner wall of the insulating sleeve (2) is tightly attached to the inner wall of the conductive copper wire (1), and the inner wall of the insulating sleeve (2) is matched with the outer wall of the conductive copper wire (1).
3. The high flame retardant flexible coaxial cable according to claim 1, wherein: the inner wall of the reticular conductor (3) is tightly attached to the outer wall of the insulating sleeve (2), and the size of the inner wall of the reticular conductor (3) is matched with the size of the outer wall of the insulating sleeve (2).
4. The high flame retardant flexible coaxial cable according to claim 1, wherein: the flame retardant mechanism (5) comprises a mounting flange (501), a fixing rod (502), a splicing flange (503) and flame retardant polyvinyl chloride (504), wherein the mounting flange (501) is arranged at two ends of the outer wall of the cable sheath (4), the fixing rod (502) is connected with the inner wall of the mounting flange (501) through screws, the splicing flange (503) is connected with the outer wall of the mounting flange (501) through screws, and the flame retardant polyvinyl chloride (504) is arranged on the outer wall of the splicing flange (503).
5. The high flame retardant flexible coaxial cable according to claim 4, wherein: the splicing flange (503) is in threaded connection with the mounting flange (501) through the fixing rod (502), and the outer wall of the fixing rod (502) and the inner wall of the mounting flange (501) are in threaded arrangement.
6. The high flame retardant flexible coaxial cable according to claim 4, wherein: the mounting flanges (501) are arranged in an axisymmetric mode by taking the central axis of the cable sheath (4) as an axis, and the sizes of the mounting flanges (501) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320533405.6U CN220137995U (en) | 2023-03-20 | 2023-03-20 | High-flame-retardance soft coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320533405.6U CN220137995U (en) | 2023-03-20 | 2023-03-20 | High-flame-retardance soft coaxial cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220137995U true CN220137995U (en) | 2023-12-05 |
Family
ID=88954121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320533405.6U Active CN220137995U (en) | 2023-03-20 | 2023-03-20 | High-flame-retardance soft coaxial cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220137995U (en) |
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2023
- 2023-03-20 CN CN202320533405.6U patent/CN220137995U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |