CN212809880U - Flame-retardant wire and cable with high tensile strength - Google Patents
Flame-retardant wire and cable with high tensile strength Download PDFInfo
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- CN212809880U CN212809880U CN202021509246.9U CN202021509246U CN212809880U CN 212809880 U CN212809880 U CN 212809880U CN 202021509246 U CN202021509246 U CN 202021509246U CN 212809880 U CN212809880 U CN 212809880U
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Abstract
The utility model discloses a higher fire-retardant type wire and cable of tensile strength, including strengthening core, cable core, resistance to compression piece and linking up the piece, the last screw connection of strengthening core has insulating isolation layer, and the top screw connection of insulating isolation layer has the protective layer, the protective layer intussuseption is filled with fire-retardant filler, and bonds outside the protective layer and have the epoxy layer, the last screw connection of insulating isolation layer has the gasbag, and is provided with dry powder in the gasbag, the last screw connection of epoxy layer has rubber support rod, and rubber support rod's top screw connection has outer lag. This higher fire-retardant type wire and cable of tensile strength is provided with the gasbag, takes place the short circuit at wire and cable and leads to when on fire, and flame can damage the gasbag firing, and then can spray the dry powder in the gasbag, can carry out timely effectual fire-retardant work to flame, and then can prevent effectively that electrical equipment from receiving the secondary damage, has increased wire and cable's safety in utilization.
Description
Technical Field
The utility model relates to a wire and cable technical field specifically is a higher fire-retardant type wire and cable of tensile strength.
Background
The electric wire and the cable are used as main carriers of power transmission, can also transmit information and realize electromagnetic energy conversion, are widely applied to various electrical equipment and circuit connection, and directly influence the engineering quality and the life and property safety of consumers due to the quality.
However, most of the current electric wires and cables have the following problems:
when a conventional wire and cable is used on electrical equipment, the wire and cable are aged under a long-time working state, short circuit is easy to occur on the aged wire and cable, and then fire is easy to occur;
when the electric wire and the cable work and use on the electric equipment, the electric wire and the cable need to be pulled for use for some electric equipment needing to be moved for use, the tensile strength of the conventional electric wire and the cable is low, and the electric wire and the cable are easy to break and damage due to multiple pulling.
Therefore, a flame retardant type electric wire and cable having a high tensile strength has been proposed in order to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a higher fire-retardant-type wire and cable of tensile strength to solve the present market wire and cable that above-mentioned background art provided and can not carry out timely effectual fire-retardant work, and the lower problem of tensile strength.
In order to achieve the above object, the utility model provides a following technical scheme: a flame-retardant wire cable with high tensile strength comprises a reinforced core, cable cores, a compression-resistant block and a linking block, wherein the reinforced core is connected with an insulating isolation layer through screws, the top end of the insulating isolation layer is connected with a protective layer through screws, the insulating isolation layer is connected with a core protective sleeve through screws, the core protective sleeve is internally provided with the cable cores, the protective layer is filled with flame-retardant filler, an epoxy resin layer is bonded outside the protective layer, the insulating isolation layer is connected with an air bag through screws, dry powder is arranged in the air bag, the epoxy resin layer is connected with a rubber supporting rod through screws, the top end of the rubber supporting rod is connected with an outer protective sleeve through screws, the outer protective sleeve is connected with a compression-resistant block through screws, the compression-resistant block is connected with a connecting block through screws, the connecting block is connected on the outer, and the bottom end of the connecting block is connected on the epoxy resin layer through a screw.
Preferably, the insulating isolation layers are distributed on the reinforcing core at equal angles, the central axis of the reinforcing core and the central axis of the outer protection sleeve are located on the same horizontal central line, and the distance between the adjacent insulating isolation layers is greater than the diameter of the wire core protection sleeve.
Preferably, the protective layer comprises waterproof layer, tensile fiber layer and insulating inoxidizing coating, and the interior terminal surface of waterproof layer, tensile fiber layer and insulating inoxidizing coating bonds each other to the protective layer symmetric distribution is in the upside of waterproof layer and insulating inoxidizing coating downside.
Preferably, the air bags correspond to the cable cores one by one, the cross sections of the air bags are arc-shaped, the arc radians of the air bags are equal to those of the protective layers, dry powder is uniformly distributed in the air bags, and meanwhile the dry powder and the flame-retardant filler are made of the same material.
Preferably, the inner end face of the epoxy resin layer is attached to the outer end face of the protective layer, rubber support rods are distributed on the epoxy resin layer at equal angles, and the diameter of the epoxy resin layer is smaller than the diameter of the inner space of the outer protective sleeve.
Preferably, the cross section of the anti-pressing block is trapezoidal, the anti-pressing blocks are equidistantly distributed on the outer protective sleeve, the anti-pressing blocks and the connecting blocks are distributed at intervals, the length of the connecting blocks is equal to that of the connecting blocks, and the connecting blocks are fixed in the middle of the connecting blocks.
Compared with the prior art, the beneficial effects of the utility model are that: the flame-retardant wire and cable with higher tensile strength;
(1) the cable is provided with the air bag, when the electric wire and the cable are in short circuit to cause fire, flame can ignite and damage the air bag, the air bag is broken at the moment, and then dry powder in the air bag can be sprayed, flame can be effectively and timely flame-retardant, and under the action of the flame-retardant filler in the protective layer, the cable core can be effectively prevented from being subjected to fire-retardant work, so that the secondary damage to the electrical equipment can be effectively prevented, and the use safety of the electric wire and the cable is improved;
(2) this cable is provided with the connecting block, and wire and cable receives when dragging the back, and resistance to compression blocking closes the connecting block and can carry out stable reply work, and under the linkage effect that links up the piece, can effectively increase wire and cable's tensile strength, and then can effectively prevent to drag the fracture damage, and under the effect on tensile fibrous layer in the protective layer, can guarantee that the electric wire and cable pulls the stability of in-process, has increased the use variety of electric wire and cable.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connecting block structure of the present invention;
FIG. 3 is a schematic side view of the connecting block of the present invention;
fig. 4 is a schematic diagram of the protective layer structure of the present invention.
In the figure: 1. a reinforcing core; 2. an insulating isolation layer; 3. a protective layer; 4. a wire core protecting sleeve; 5. a cable core; 6. a flame retardant filler; 7. an air bag; 8. dry powder; 9. an epoxy resin layer; 10. a rubber support rod; 11. an outer protective sleeve; 12. anti-briquetting; 13. connecting blocks; 14. a connecting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a flame-retardant wire cable with high tensile strength comprises a reinforced core 1, an insulating isolation layer 2, a protective layer 3, a wire core protective sleeve 4, a cable wire core 5, a flame-retardant filler 6, an air bag 7, dry powder 8, an epoxy resin layer 9, a rubber supporting rod 10, an outer protective sleeve 11, a compression-resistant block 12, a connecting block 13 and a connecting block 14, wherein the reinforced core 1 is connected with the insulating isolation layer 2 through screws, the top end of the insulating isolation layer 2 is connected with the protective layer 3 through screws, the insulating isolation layer 2 is connected with the wire core protective sleeve 4 through screws, the cable wire core 5 is arranged in the wire core protective sleeve 4, the protective layer 3 is filled with the flame-retardant filler 6, the epoxy resin layer 9 is bonded outside the protective layer 3, the insulating isolation layer 2 is connected with the air bag 7 through screws, the dry powder 8 is arranged in the air bag 7, the epoxy resin layer 9 is connected, outer lag 11 goes up the screw connection and has anti-pressure block 12, and the screw connection has connecting block 13 on the anti-pressure block 12, and connecting block 13 screw connection is on outer lag 11, and the bottom screw connection of connecting block 13 has a piece 14 that links up, and the bottom screw connection of the piece 14 that links up is on epoxy layer 9.
The equal angular distribution of insulating isolation layer 2 is on strengthening core 1, and the central axis of strengthening core 1 and outer lag 11 the central axis be located same horizontal central line to the distance between insulating isolation layer 2 is adjacent is greater than the diameter of sinle silk lag 4, can guarantee the stability of insulating isolation layer 2 work effect on strengthening core 1, has improved wire and cable's stability in use.
Gasbag 7 and 5 one-to-one of cable core, and the transversal circular-arc of personally submitting of gasbag 7 to the circular arc radian of gasbag 7 equals with the circular arc radian of protective layer 3, and evenly distributed has dry powder 8 in the gasbag 7, and the material is the same between dry powder 8 and the fire-retardant filler 6 simultaneously, can guarantee that gasbag 7 can carry out stable guard work to wire and cable, can increase the fire prevention function simultaneously, has increased wire and cable's use variety.
The interior terminal surface of epoxy layer 9 is laminated with the outer terminal surface of protective layer 3 mutually, and the equal angular distribution on epoxy layer 9 has rubber support bar 10 to the diameter of epoxy layer 9 is less than the inner space diameter of outer lag 11, can effectively avoid epoxy layer 9 to the harmful effects of outer lag 11.
The cross section of the anti-pressing block 12 is trapezoidal, the anti-pressing blocks 12 are distributed on the outer protective sleeve 11 at equal intervals, the anti-pressing blocks 12 and the connecting blocks 13 are distributed at intervals, the length of the connecting blocks 13 is equal to that of the connecting blocks 14, and meanwhile, the connecting blocks 14 are fixed in the middle of the connecting blocks 13, so that the working effect of the anti-pressing blocks 12 on the outer protective sleeve 11 can be guaranteed, and the pressure resistance of the electric wire and the electric cable is improved.
The working principle is as follows: before the flame-retardant wire and cable with higher tensile strength is used, the overall condition of the wire and cable needs to be checked to determine that the wire and cable can work normally;
when the electric wire and cable start to work, with reference to fig. 1-4, under the action of the reinforcing core 1, the isolation space formed by combining the insulating isolation layer 2 can perform insulating isolation work on the cable cores 5 wrapped by the core protection sleeves 4, so that the working state stability of the cable cores 5 can be ensured, and under the action of the epoxy resin layer 9, the corrosion resistance and the high temperature resistance of the electric wire and cable can be effectively improved, and the rubber support rod 10 can effectively increase the pressure resistance of the electric wire and cable in the use process by combining the pressure resistant block 12 on the outer protection sleeve 11, and simultaneously under the action of the waterproof layer 301 and the insulating protection layer 303 in the protection layer 3, the working state stability of the cable cores 5 can be ensured, so that the service life of the electric wire and cable can be effectively prolonged;
when a fire is caused by a short circuit of the electric wire and the cable, with reference to fig. 1, after the epoxy resin layer 9 and the protective layer 3 in the electric wire and the cable are damaged, the air bag 7 is burnt and damaged by flame, the air bag 7 is broken at the moment, so that the dry powder 8 in the air bag 7 can be sprayed, the flame can be effectively and timely flame-retardant, and under the action of the flame-retardant filler 6 in the protective layer 3, the cable core 5 can be effectively prevented from being subjected to fire-retardant work, so that the electrical equipment can be effectively prevented from being secondarily damaged;
after the electric wire and cable is pulled, by combining with fig. 1-4, the compression-resistant block 12 and the connecting block 13 can perform stable recovery work, and under the connecting action of the connecting block 14, the tensile strength of the electric wire and cable can be effectively increased, and further the pulling and breaking damage can be effectively prevented, and under the action of the tensile fiber layer 302 in the protective layer 3, the stability of the electric wire and cable in the pulling process can be ensured, so that the whole electric wire and cable work process is realized, and the contents which are not described in detail in the specification, such as the cable core 5, the flame-retardant filler 6, the air bag 7, the dry powder 8, the epoxy resin layer 9 and the tensile fiber layer 302, all belong to the prior art known by professional technicians in the field.
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 or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a higher fire-retardant type wire and cable of tensile strength, is including strengthening core (1), cable core (5), resistance to compression piece (12) and linking piece (14), its characterized in that: the cable core is characterized in that an insulating isolation layer (2) is connected to the reinforcing core (1) through screws, a protective layer (3) is connected to the top end of the insulating isolation layer (2) through screws, a cable core protective sleeve (4) is connected to the insulating isolation layer (2) through screws, cable cores (5) are arranged in the cable core protective sleeve (4), a flame-retardant filler (6) is filled in the protective layer (3), an epoxy resin layer (9) is bonded outside the protective layer (3), an air bag (7) is connected to the insulating isolation layer (2) through screws, dry powder (8) is arranged in the air bag (7), a rubber support rod (10) is connected to the epoxy resin layer (9) through screws, an outer protective sleeve (11) is connected to the top end of the rubber support rod (10), an anti-pressing block (12) is connected to the outer protective sleeve (11) through screws, and, connecting block (13) screw connection is on outer lag (11), and the bottom screw connection of connecting block (13) has and links up piece (14) to the bottom screw connection of linking up piece (14) is on epoxy layer (9).
2. The flame-retardant electric wire and cable with high tensile strength according to claim 1, wherein: the insulating isolation layer (2) is distributed on the reinforcing core (1) at equal angles, the central axis of the reinforcing core (1) and the central axis of the outer protection sleeve (11) are located on the same horizontal central line, and the distance between the adjacent insulating isolation layer (2) is larger than the diameter of the wire core protection sleeve (4).
3. The flame-retardant electric wire and cable with high tensile strength according to claim 1, wherein: the protective layer (3) is composed of a waterproof layer (301), a tensile fiber layer (302) and an insulating protective layer (303), inner end faces of the waterproof layer (301), the tensile fiber layer (302) and the insulating protective layer (303) are mutually attached and bonded, and the protective layer (3) is symmetrically distributed on the upper side of the waterproof layer (301) and the lower side of the insulating protective layer (303).
4. The flame-retardant electric wire and cable with high tensile strength according to claim 1, wherein: gasbag (7) and cable core (5) one-to-one, and the transversal personally submitting of gasbag (7) is circular-arc to the circular arc radian of gasbag (7) equals with the circular arc radian of protective layer (3), and evenly distributed has dry powder (8) in gasbag (7) moreover, and the material is the same between dry powder (8) and fire-retardant filler (6) simultaneously.
5. The flame-retardant electric wire and cable with high tensile strength according to claim 1, wherein: the inner end face of the epoxy resin layer (9) is attached to the outer end face of the protective layer (3), rubber support rods (10) are distributed on the epoxy resin layer (9) at equal angles, and the diameter of the epoxy resin layer (9) is smaller than the diameter of the inner space of the outer protective sleeve (11).
6. The flame-retardant electric wire and cable with high tensile strength according to claim 1, wherein: the cross section of the pressure-resistant block (12) is trapezoidal, the pressure-resistant blocks (12) are distributed on the outer protective sleeve (11) at equal intervals, the pressure-resistant blocks (12) and the connecting blocks (13) are distributed at intervals, the length of the connecting blocks (13) is equal to that of the connecting blocks (14), and the connecting blocks (14) are fixed in the middle of the connecting blocks (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021509246.9U CN212809880U (en) | 2020-07-27 | 2020-07-27 | Flame-retardant wire and cable with high tensile strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021509246.9U CN212809880U (en) | 2020-07-27 | 2020-07-27 | Flame-retardant wire and cable with high tensile strength |
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| Publication Number | Publication Date |
|---|---|
| CN212809880U true CN212809880U (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021509246.9U Active CN212809880U (en) | 2020-07-27 | 2020-07-27 | Flame-retardant wire and cable with high tensile strength |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118173315A (en) * | 2024-05-16 | 2024-06-11 | 江西南远电缆有限公司 | Cable for intelligent charging pile capable of preventing core breakage |
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2020
- 2020-07-27 CN CN202021509246.9U patent/CN212809880U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118173315A (en) * | 2024-05-16 | 2024-06-11 | 江西南远电缆有限公司 | Cable for intelligent charging pile capable of preventing core breakage |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 523000 No.1 Dawei Road, Qingxi Town, Dongguan City, Guangdong Province Patentee after: DONGGUAN DAWEI CABLE Co.,Ltd. Address before: 523000 No.1 Dawei Road, Qingxi Town, Dongguan City, Guangdong Province Patentee before: Dongguan Dawei Cable Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |