CN210956249U - Special cable with good waterproof performance - Google Patents
Special cable with good waterproof performance Download PDFInfo
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- CN210956249U CN210956249U CN201922268243.4U CN201922268243U CN210956249U CN 210956249 U CN210956249 U CN 210956249U CN 201922268243 U CN201922268243 U CN 201922268243U CN 210956249 U CN210956249 U CN 210956249U
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- 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
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses a special cable that waterproof performance is good, including metal core, asbestos fiber filling layer and polyurethane insulating paint layer, metal core's outside fixed mounting has the asbestos fiber filling layer, the utility model discloses the beneficial effect who reaches is: the utility model discloses compact structure, convenient to use, the function is practical, the utility model discloses when using, adsorb the hole and can laminate and form certain adsorption affinity on the square card, when using, the utility model discloses can not adsorb and go and then drop, improve the utility model discloses a quality, and among the cable winding process, make its automatic flow come out from gluing the lacquer, can realize the self-adhesion effect this moment, through the surface at conductor, modified polyester lacquer layer and polyamide imide lacquer layer set up convex antiskid groove, the corresponding packing of lacquer layer is at the antiskid inslot that corresponds, has increased the coefficient of friction between adjacent lacquer layer and the conductor, has improved the adhesion properties of lacquer film, can reach good dampproofing and waterproofing function of insulating.
Description
Technical Field
The utility model relates to a special type cable, in particular to special type cable that waterproof performance is good belongs to special type cable technical field.
Background
With the rapid development of the electronic science and technology industry in China, the overall level of the cable industry is also well improved, and the cable is widely applied to various electronic fields. The existing cable is generally composed of a round conductor and a plurality of layers of paints with different functions are coated on the conductor, and the paint films which are commonly used on the market are polyester, polyester imide, polyurethane, polyamide imide and the like. When the cables are used, the turns of the conducting wires are bonded together by dip-coating bonding resin, the process is complex, meanwhile, because the surfaces of the conductors are smooth, a paint film coated on the surfaces of the conductors is easy to crack and fall off after being subjected to high temperature or violent movement, and in addition, because the existing cables have insufficient waterproof performance.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a special cable that waterproof performance is good.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a special cable with good waterproof performance, which comprises a metal wire core, an asbestos fiber filling layer and a polyurethane insulating paint layer, wherein the asbestos fiber filling layer is fixedly arranged outside the metal wire core, the polyurethane insulating paint layer is fixedly arranged outside the asbestos fiber filling layer, a polyimide film is fixedly arranged outside the polyurethane insulating paint layer, a polytetrafluoroethylene film is fixedly arranged outside the polyimide film, a nylon paint layer is fixedly arranged outside the polytetrafluoroethylene film, adsorption holes are fixedly arranged inside the polyimide film, the adsorption holes penetrate through the polytetrafluoroethylene film, the top end of the adsorption holes is fixedly arranged inside the nylon paint layer, a conductor is fixedly arranged inside the metal wire core, a modified polyester paint layer is fixedly arranged outside the conductor, and first anti-skid grooves are chiseled on the peripheral surface of the modified polyester paint layer, the outer portion of the first anti-slip groove is fixedly provided with a polyester imide paint layer, and the surfaces of the periphery of the polyester imide paint layer are provided with second anti-slip grooves in a chiseled mode.
Preferably, the asbestos fiber filling layer is filled with a plurality of particles, the surfaces of the particles are rough, and gaps exist inside the particles.
Preferably, the first anti-slip groove and the second anti-slip groove are distributed in a staggered manner, and both the first anti-slip groove and the second anti-slip groove are arc-shaped structures.
Preferably, self-adhesive paint is fixedly arranged inside the adsorption hole, and the self-adhesive paint is polyurethane self-adhesive paint.
Preferably, the diameter of the adsorption hole gradually decreases from bottom to top.
Preferably, the metal wire core comprises a conductor, a modified polyester paint layer, a first anti-slip groove, a polyester imide paint layer and a second anti-slip groove.
Preferably, polyimide film with all install a plurality of adsorption hole on the inside of polytetrafluoroethylene film is all around, the adsorption hole runs through polyimide film and polytetrafluoroethylene film and top do not wear out the nylon lacquer layer.
The utility model discloses the beneficial effect who reaches is: the utility model discloses compact structure, convenient to use, the function is practical, the utility model discloses when using, adsorb the hole and can laminate and form certain adsorption affinity on the square card, when using, the utility model discloses can not adsorb and go and then drop, improve the utility model discloses a quality, and among the cable winding process, make its automatic flow come out from gluing the lacquer, can realize the self-adhesion effect this moment, through the surface at conductor, modified polyester lacquer layer and polyamide imide lacquer layer set up convex antiskid groove, the corresponding packing of lacquer layer is at the antiskid inslot that corresponds, has increased the coefficient of friction between adjacent lacquer layer and the conductor, has improved the adhesion properties of lacquer film, can reach good dampproofing and waterproofing function of insulating.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a transverse cross-sectional view of the present invention;
fig. 3 is a schematic structural diagram of the metal wire core of the present invention.
In the figure, 1, a metal wire core; 2. an asbestos fiber filled layer; 3. a polyurethane insulating paint layer; 4. a polyimide film; 5. a polytetrafluoroethylene film; 6. a nylon paint layer; 7. an adsorption hole; 8. a conductor; 9. modifying a polyester paint layer; 10. a first anti-slip groove; 11. a polyester imide paint layer; 12. and a second anti-slip groove.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Examples
As shown in fig. 1-3, a special cable with good waterproof performance comprises a metal wire core 1, an asbestos fiber filling layer 2 and a polyurethane insulating paint layer 3, wherein the asbestos fiber filling layer 2 is fixedly installed outside the metal wire core 1, a plurality of particles are filled inside the asbestos fiber filling layer 2, the surfaces of the particles are rough, gaps exist inside the particles, the adhesion performance of a paint film is improved, the polyurethane insulating paint layer 3 is fixedly installed outside the asbestos fiber filling layer 2, the polyimide film 4 is fixedly installed outside the polyurethane insulating paint layer 3, the polytetrafluoroethylene film 5 is fixedly installed outside the polyimide film 4, the nylon paint layer 6 is fixedly installed outside the polytetrafluoroethylene film 5, an adsorption hole 7 is fixedly installed inside the polyimide film 4, a self-adhesive paint is fixedly installed inside the adsorption hole 7, and the self-adhesive paint is a polyurethane self-adhesive paint, in the cable winding process, make its automatic flow from gluing the lacquer, can realize the self-adhesion effect this moment, adsorb the inside that hole 7 runs through polytetrafluoroethylene film 5, the top fixed mounting who adsorbs hole 7 has the inside at nylon paint layer 6, the inside fixed mounting of metal core 1 has conductor 8, the outside fixed mounting of conductor 8 has modified polyester paint layer 9, the surface chisel all around of modified polyester paint layer 9 has first antiskid groove 10, the outside fixed mounting of first antiskid groove 10 has polyester imide paint layer 11, the surface chisel all around of polyester imide paint layer 11 has second antiskid groove 12, polyimide film 4 and polytetrafluoroethylene film 5's inside all installs a plurality of all around adsorbs hole 7, it wears out not nylon paint layer 6 at polyimide film 4 and polytetrafluoroethylene film 5 and top to adsorb hole 7 to run through, the emergence of phenomenons such as perk has been avoided sticking up.
Furthermore, a plurality of particles are filled in the asbestos fiber filling layer 2, the surfaces of the particles are rough, gaps exist in the particles, and the adhesion performance of a paint film is improved.
Furthermore, the first anti-slip groove 10 and the second anti-slip groove 12 are distributed in a staggered mode, the first anti-slip groove 10 and the second anti-slip groove 12 are both of circular arc structures, friction coefficients between adjacent paint layers and between the paint layers and the conductor 8 are increased, and adhesion performance of the paint films is improved.
Further, the self-adhesive paint is fixedly arranged inside the adsorption holes 7 and is polyurethane self-adhesive paint, so that the self-adhesive paint can automatically flow out in the process of winding the cable, and the self-adhesive effect can be realized at the moment.
Further, its aperture diminishes gradually in absorption hole 7 from bottom to top, and absorption hole 7 can laminate and form certain adsorption affinity on the square card, when using, the utility model discloses can not adsorb go then drop, improve the utility model discloses a quality.
Furthermore, the metal wire core 1 comprises a conductor 8, a modified polyester paint layer 9, a first anti-slip groove 10, a polyester imide paint layer 11 and a second anti-slip groove 12, and the overall structure is optimized.
Further, all install a plurality of adsorption hole 7 on polyimide film 4 and polytetrafluoroethylene film 5's inside all around, adsorption hole 7 runs through polyimide film 4 and polytetrafluoroethylene film 5 and top and does not wear out nylon paint layer 6, has avoided the emergence of phenomenons such as sticking up the limit.
Specifically, when the utility model is used, the outer surface of the metal wire core 1 of the utility model is coated with the asbestos fiber filling layer 2, the polyurethane insulating paint layer 3, the polyimide film 4 and the polytetrafluoroethylene film 5 in sequence, and the thickness of each paint layer is specifically limited according to the performance of different paint layers, so that the structural performance of the cable is uniform and stable, and the cable has better high temperature resistance, the outer surfaces of the conductor 8, the modified polyester paint layer 9 and the polyester imide paint layer 11 are provided with the arc-shaped anti-skid grooves, the paint layers are correspondingly filled in the corresponding anti-skid grooves, the friction coefficients between the adjacent paint layers and the paint layers and between the paint layers and the conductor 8 are increased, the adhesion performance of the paint films is improved, meanwhile, the corresponding anti-skid thermal expansion phenomenon can be generated due to the high temperature of the paint layers and the conductor 8, and the stress generated by thermal expansion can be relieved inside by arranging the anti-skid, make between lacquer layer and the conductor 8 be connected inseparabler, can not make and take place to break away from between the lacquer layer, guaranteed the inside stable in structure of cable, guaranteed that the cable has good performance to when using, adsorb hole 7 and can laminate and form certain adsorption affinity on the square card, when using, the utility model discloses can adsorb and go then drop, improve the utility model discloses a quality, and reach dampproofing and waterproofing's effect.
Finally, it should be noted that: although the present invention has been described in detail 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 in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a special type cable that waterproof performance is good, includes metal core (1), asbestos fiber filling layer (2) and polyurethane insulating paint layer (3), its characterized in that: the external fixed mounting of metal core (1) has asbestos fiber filling layer (2), the external fixed mounting of asbestos fiber filling layer (2) has polyurethane insulating paint layer (3), the external fixed mounting of polyurethane insulating paint layer (3) has polyimide film (4), the external fixed mounting of polyimide film (4) has polytetrafluoroethylene film (5), the external fixed mounting of polytetrafluoroethylene film (5) has nylon paint layer (6), the internal fixed mounting of polyimide film (4) has adsorption hole (7), adsorption hole (7) runs through the inside of polytetrafluoroethylene film (5), the top fixed mounting of adsorption hole (7) has the inside of nylon paint layer (6), the internal fixed mounting of metal core (1) has conductor (8), the external fixed mounting of conductor (8) has modified polyester paint layer (9), the modified polyester paint layer is characterized in that a first anti-skidding groove (10) is chiseled on the peripheral surface of the modified polyester paint layer (9), a polyester imide paint layer (11) is fixedly mounted on the outer portion of the first anti-skidding groove (10), and a second anti-skidding groove (12) is chiseled on the peripheral surface of the polyester imide paint layer (11).
2. A specialty cable with good water resistance as claimed in claim 1, wherein said asbestos fiber filling layer (2) is filled with a plurality of particles, wherein the surface of said plurality of particles is rough and said plurality of particles have voids therein.
3. A special cable with good waterproof performance according to claim 1, wherein the first anti-slip groove (10) and the second anti-slip groove (12) are distributed in a staggered manner, and the first anti-slip groove (10) and the second anti-slip groove (12) are both in an arc-shaped structure.
4. A special cable with good water resistance as claimed in claim 1, wherein self-adhesive paint is fixedly installed inside the adsorption hole (7), and the self-adhesive paint is polyurethane self-adhesive paint.
5. A special cable with good water resistance as claimed in claim 1, wherein the diameter of the adsorption holes (7) is gradually reduced from bottom to top.
6. A specialty cable with good water resistance according to claim 1, wherein said metal core (1) comprises a conductor (8) and modified polyester paint layer (9), a first anti-slip groove (10), a polyester imide paint layer (11) and a second anti-slip groove (12).
7. A special cable with good waterproof performance as claimed in claim 1, wherein a plurality of adsorption holes (7) are respectively installed on the periphery of the insides of the polyimide film (4) and the polytetrafluoroethylene film (5), the adsorption holes (7) penetrate through the polyimide film (4) and the polytetrafluoroethylene film (5), and the tops of the adsorption holes do not penetrate through the nylon paint layer (6).
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CN201922268243.4U CN210956249U (en) | 2019-12-17 | 2019-12-17 | Special cable with good waterproof performance |
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CN201922268243.4U CN210956249U (en) | 2019-12-17 | 2019-12-17 | Special cable with good waterproof performance |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111785418A (en) * | 2020-07-14 | 2020-10-16 | 江苏中新电材集团有限公司 | High-temperature-resistant wear-resistant flame-retardant home decoration wiring embedded pipe and wiring mode |
CN116153564A (en) * | 2023-04-20 | 2023-05-23 | 河北国潜线缆有限责任公司 | Variable frequency resistant winding wire and preparation method thereof |
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2019
- 2019-12-17 CN CN201922268243.4U patent/CN210956249U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111785418A (en) * | 2020-07-14 | 2020-10-16 | 江苏中新电材集团有限公司 | High-temperature-resistant wear-resistant flame-retardant home decoration wiring embedded pipe and wiring mode |
CN111785418B (en) * | 2020-07-14 | 2022-03-01 | 南京中超新材料股份有限公司 | High-temperature-resistant wear-resistant flame-retardant home decoration wiring embedded pipe and wiring mode |
CN116153564A (en) * | 2023-04-20 | 2023-05-23 | 河北国潜线缆有限责任公司 | Variable frequency resistant winding wire and preparation method thereof |
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