CN215834300U - Flame-retardant multi-core cable - Google Patents
Flame-retardant multi-core cable Download PDFInfo
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- CN215834300U CN215834300U CN202121818236.8U CN202121818236U CN215834300U CN 215834300 U CN215834300 U CN 215834300U CN 202121818236 U CN202121818236 U CN 202121818236U CN 215834300 U CN215834300 U CN 215834300U
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Abstract
The utility model discloses a flame-retardant multi-core cable, wherein the outer part of an outer flame-retardant layer is equidistantly connected with a plurality of groups of supporting components, each supporting component comprises two groups of arc-shaped supporting plates, an arc-shaped groove is formed on one side of each arc-shaped supporting plate, an outer protective layer is connected between every two adjacent supporting components, a plurality of groups of bulges are equidistantly connected with the outer part of each outer protective layer, the outer part of each bulge is connected with a guide plate, a plurality of groups of pipe fittings are also equidistantly connected between each outer protective layer and the outer flame-retardant layer, an armor layer is arranged on the inner side of each outer flame-retardant layer, a flame-retardant layer is connected between each armor layer and the outer flame-retardant layer, an insulating layer is arranged on the inner side of each armor layer, flame-retardant fillers are filled between the outer side of each insulating layer and the armor layer, and cable cores are arranged on the inner side of the insulating layers; the fireproof cable is diversified from outside to inside, is fireproof and protective, achieves the function of flame retardance, and has the functions of efficient ventilation and fire resistance.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a flame-retardant multi-core cable.
Background
Cables are generally rope-like cables made by stranding several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation. Many power cables need be used in high temperature, confined environment, and conventional cable can't the fire-resistant of efficient when the conflagration breaing out, can't effectual isolated fire behavior and then cause the damage to the inside cable that causes, for this reason, we have put forward a fire-retardant type multicore cable.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a flame-retardant multi-core cable to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a fire-retardant type multicore cable, includes outer fire-retardant layer, cable core, the outside equidistance on outer fire-retardant layer is connected with a plurality of supporting component of group, supporting component includes two sets of arc backup pads, one side of arc backup pad forms the arc wall, and is adjacent be connected with the outer jacket between the supporting component, the outside equidistance of outer jacket is connected with a plurality of groups arch, bellied external connection has the deflector, it is connected with a plurality of group's pipe fittings still to equidistance between outer jacket and the outer fire-retardant layer, the inboard on outer fire-retardant layer is equipped with the armor, be connected with the flame retardant coating between armor and the outer fire-retardant layer, the inboard of armor is equipped with the insulating layer, it has fire-retardant filler to fill between the outside of insulating layer and the armor, cable core sets up in the inboard of insulating layer.
As a further optimization of the technical scheme, the guide plates are arranged in an arc shape.
As a further optimization of the technical scheme, the outer flame-retardant layer is a mica tape coated with a halogen-free low-smoke flame-retardant coating on the outside, and the outer protective layer is a steel tape outer protective layer.
As a further optimization of the technical scheme, the fire-resistant layer is a glass fiber fire-resistant layer.
As a further optimization of the technical scheme, the flame-retardant filler is a halogen-free low-smoke flame-retardant filler
As a further optimization of the technical scheme, a sealing material is filled between the cable core and the insulating layer, and the sealing material is a polyolefin fire-resistant sealing material.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, through the arrangement of the outer flame-retardant layer, the outer part of the cable is subjected to the effects of fire resistance and flame retardance, the two groups of arc-shaped supporting plates are connected, one side of each arc-shaped supporting plate is provided with the arc-shaped groove, the ventilation effect is realized, the arc-shaped groove on the outer side faces outwards, so that external fire is guided in the arc-shaped groove and cannot enter the outer flame-retardant layer, a gap is formed between the outer protective layer and the outer flame-retardant layer, the fire spread in the gap and cannot be retained in the outer flame-retardant layer, the supporting and ventilation effects are realized, a plurality of groups of bulges and guide plates are equidistantly arranged outside the outer protective layer, the effect of increasing the distance between adjacent cables is realized, the fire spread is effectively prevented from being rapidly transmitted to the adjacent cables, the guide plates also have the effects of fire guiding, the ventilation and fire discharging effects are realized through the arrangement of the pipe fittings, and the flame-retardant layer is connected between the armor layer and the outer flame-retardant layer, so that the inner part is subjected to fire resistance, fire resistance and flame retardance, The effect of support is filled with fire-retardant filler between the outside through the insulating layer and the armor, plays the effect that plays inside fire-resistant, protection, support once more, from outer to interior diversified structural setting, reaches fire-retardant function, plays high-efficient ventilation, fire-resistant function to the cable, and effectual isolated intensity of a fire is protected the cable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of an arc-shaped supporting plate according to the present invention;
FIG. 3 is a schematic diagram of a guide plate structure according to the present invention.
In the figure: 1. an outer jacket; 2. an arc-shaped slot; 3. a guide plate; 4. an arc-shaped support plate; 5. a refractory layer; 6. a protrusion; 7. an armor layer; 8. a flame retardant filler; 10. an insulating layer; 13. a pipe fitting; 14. a seal; 15. an outer flame retardant layer; 16. a cable core.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless otherwise specified, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like, indicate orientations or state relationships based on the orientations or state relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that a referred mechanism or component must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the flame-retardant multi-core cable comprises an outer flame-retardant layer 15 and cable cores 16, wherein a plurality of groups of supporting components are connected to the outer portion of the outer flame-retardant layer 15 at equal intervals, the supporting components comprise two groups of arc-shaped supporting plates 4, an arc-shaped groove 2 is formed on one side of each arc-shaped supporting plate 4, an outer protective layer 1 is connected between every two adjacent supporting components, a plurality of groups of bulges 6 are equidistantly connected to the outer part of the outer protective layer 1, the guide plate 3 is connected to the outer part of each bulge 6, a plurality of groups of pipe fittings 13 are equidistantly connected between the outer protective layer 1 and the outer flame-retardant layer 15, the inner side of the outer flame-retardant layer 15 is provided with an armor layer 7, a fire-resistant layer 5 is connected between the armor layer 7 and the outer fire-resistant layer 15, an insulating layer 10 is arranged on the inner side of the armor layer 7, and a flame-retardant filler 8 is filled between the outer side of the insulating layer 10 and the armor layer 7, and the cable core 16 is arranged on the inner side of the insulating layer 10.
Specifically, the guide plate 3 is arranged in an arc shape and plays a role in guiding. Specifically, outer flame retardant coating 15 is the mica tape that the outside scribbled there is not steamed low fire retardant coating of cigarette, outer jacket 1 is the steel band outer jacket, plays fire-resistant effect from the outside. Specifically, the fire-resistant layer 5 is a glass fiber fire-resistant layer, and plays a role in supporting and protecting. Specifically, the flame-retardant filler 8 is a halogen-free low-smoke flame-retardant filler, and plays a role in fire resistance and flame retardance. Specifically, the sealant 14 is filled between the cable core 16 and the insulating layer 10, and the sealant 14 is a polyolefin fire-resistant sealant, and plays a role in fire resistance, sealing and stabilization.
Specifically, when the cable is used, the outer part of the cable is subjected to fire resistance and flame retardance through the arrangement of the outer flame-retardant layer 15, the two groups of arc-shaped supporting plates 4 are connected, one side of each arc-shaped supporting plate is provided with the arc-shaped groove 2 to play a ventilation role, the outer arc-shaped groove 2 faces outwards, so that external fire is guided in the arc-shaped groove 2 and cannot enter the outer flame-retardant layer 15, a gap is formed between the outer protective layer 1 and the outer flame-retardant layer 15, fire spreads out in the gap and cannot be detained in the outer flame-retardant layer 15 to play a supporting and ventilation role, a plurality of groups of bulges 6 and guide plates 3 are arranged at equal intervals outside the outer protective layer 1 to play a role in increasing the distance between adjacent cables, the fire is effectively prevented from being rapidly transmitted to the adjacent cables, the guide plates 3 also play a fire guiding role, the ventilation and fire discharging role through the arrangement of the pipe fittings 13, the armor layer 7 is connected with the outer flame-retardant layer 15 through the flame-retardant layer 5, play the effect of inside fire-resistant, protection, support, it has fire-retardant filler 8 to fill between outside through insulating layer 10 and armor 7, plays the effect of inside fire-resistant, protection, support once more, from outer to interior pluralism structure setting, reaches fire-retardant function.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a fire-retardant type multicore cable, includes outer fire-retardant layer (15), cable core (16), its characterized in that: the outer flame retardant layer (15) is connected with a plurality of groups of supporting components at equal intervals, each supporting component comprises two groups of arc supporting plates (4), an arc groove (2) is formed in one side of each arc supporting plate (4), an outer protective layer (1) is connected between every two adjacent supporting components, a plurality of groups of bulges (6) are connected at equal intervals on the outer side of each outer protective layer (1), a guide plate (3) is connected on the outer side of each bulge (6), a plurality of groups of pipe fittings (13) are connected between each outer protective layer (1) and the corresponding outer flame retardant layer (15) at equal intervals, an armor layer (7) is arranged on the inner side of each outer flame retardant layer (15), a flame retardant layer (5) is connected between each armor layer (7) and the corresponding outer flame retardant layer (15), an insulating layer (10) is arranged on the inner side of each armor layer (7), and flame retardant fillers (8) are filled between the outer side of each insulating layer (10) and each armor layer (7), the cable core (16) is arranged on the inner side of the insulating layer (10).
2. The flame retardant multi-core cable according to claim 1, wherein: the guide plate (3) is arranged in an arc shape.
3. The flame retardant multi-core cable according to claim 1, wherein: outer flame retardant coating (15) are the mica tape that the outside scribbled there is not steamed low cigarette flame retardant coating, outer jacket (1) is the steel band outer jacket.
4. The flame retardant multi-core cable according to claim 1, wherein: the fire-resistant layer (5) is a glass fiber fire-resistant layer.
5. The flame retardant multi-core cable according to claim 1, wherein: the flame-retardant filler (8) is a halogen-free low-smoke flame-retardant filler.
6. The flame retardant multi-core cable according to claim 1, wherein: and a sealing object (14) is filled between the cable core (16) and the insulating layer (10), and the sealing object (14) is a polyolefin fire-resistant sealing object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121818236.8U CN215834300U (en) | 2021-08-05 | 2021-08-05 | Flame-retardant multi-core cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121818236.8U CN215834300U (en) | 2021-08-05 | 2021-08-05 | Flame-retardant multi-core cable |
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| Publication Number | Publication Date |
|---|---|
| CN215834300U true CN215834300U (en) | 2022-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121818236.8U Active CN215834300U (en) | 2021-08-05 | 2021-08-05 | Flame-retardant multi-core cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114758825A (en) * | 2022-03-23 | 2022-07-15 | 国动网络通信集团山东有限公司 | Outdoor long-distance laying high-strength communication cable |
| CN116453741A (en) * | 2023-02-11 | 2023-07-18 | 上进线缆有限公司 | Low-smoke halogen-free flame-retardant fire-resistant novel medium-voltage cable |
-
2021
- 2021-08-05 CN CN202121818236.8U patent/CN215834300U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114758825A (en) * | 2022-03-23 | 2022-07-15 | 国动网络通信集团山东有限公司 | Outdoor long-distance laying high-strength communication cable |
| CN116453741A (en) * | 2023-02-11 | 2023-07-18 | 上进线缆有限公司 | Low-smoke halogen-free flame-retardant fire-resistant novel medium-voltage cable |
| CN116453741B (en) * | 2023-02-11 | 2023-09-12 | 上进线缆有限公司 | Low-smoke halogen-free flame-retardant fire-resistant novel medium-voltage cable |
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