CN215496097U - Flame-retardant cable with compression-resistant protection structure - Google Patents

Flame-retardant cable with compression-resistant protection structure Download PDF

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Publication number
CN215496097U
CN215496097U CN202121400136.3U CN202121400136U CN215496097U CN 215496097 U CN215496097 U CN 215496097U CN 202121400136 U CN202121400136 U CN 202121400136U CN 215496097 U CN215496097 U CN 215496097U
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China
Prior art keywords
flame
retardant
layer
pressure
cable
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CN202121400136.3U
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Chinese (zh)
Inventor
刘永伟
贺云芳
马建平
张镇球
吴健
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Wuxi New Sunshine Cable Co ltd
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Wuxi New Sunshine Cable Co ltd
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Priority to CN202121400136.3U priority Critical patent/CN215496097U/en
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Abstract

The utility model discloses a flame-retardant cable with a compression-resistant protection structure, which comprises a cable body, wherein the cable body comprises a cable core, an inner flame-retardant layer, a compression-resistant layer, an outer flame-retardant layer and an outer protective layer, the inner flame-retardant layer is wrapped outside the cable core, the compression-resistant layer is arranged outside the inner flame-retardant layer, the outer flame-retardant layer is wrapped outside the compression-resistant layer, the outer protective layer is arranged on the outer wall of the outer flame-retardant layer, the cable core comprises a conductor, insulating fillers and insulating layers, the conductor is provided with a plurality of groups, the insulating layers are wrapped outside the conductor, and the insulating fillers are filled between the insulating layers and the conductor. So that the pressure-resistant layer has good pressure resistance and protects the cable core.

Description

Flame-retardant cable with compression-resistant protection structure
Technical Field
The utility model relates to the technical field of cables, in particular to a flame-retardant cable with a compression-resistant protection structure.
Background
Cables for transmitting electrical energy or signals are generally rope-like cables made up of several or groups of conductors (at least two in each group) which are insulated from each other and usually twisted around a center, the whole being covered with a highly insulating covering.
When the cable is laid and used, the pressure resistance of the cable is poor, the cable is easy to deform or break when being extruded or bent, the cable is damaged, the flame retardant effect of the existing cable is poor, the cable core is easy to burn in an open flame state, and therefore the flame retardant cable with the pressure resistant protection structure is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a flame-retardant cable with a compression-resistant protection structure, which aims to solve the problems that in the background art, due to poor compression resistance of the cable, the cable is easy to deform or break when being extruded or bent, so that the cable is damaged, and the conventional cable is poor in flame-retardant effect, so that a cable core is easy to burn in an open flame state.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a flame retarded cable with resistance to compression protection architecture, includes the cable body, the cable body includes cable core, interior flame retardant coating, compression layer, outer flame retardant coating and outer protective layer, the outer parcel of cable core has interior flame retardant coating, set up compression layer outside the interior flame retardant coating, the outside parcel of compression layer has outer flame retardant coating, outer protective layer sets up the outer wall on outer flame retardant coating, the cable core includes conductor, insulating filler and insulating layer, the conductor is provided with the multiunit, and multiunit conductor intertwine, the outside parcel of conductor has the insulating layer, and packs insulating filler between insulating layer and the conductor.
As further preferable in the present technical solution: the anti-pressure layer comprises outer anti-pressure cover, interior gasbag anti-pressure cover, wave bending ring cover and rubber column, outer anti-pressure cover is established in the outside of interior gasbag anti-pressure cover, and has the cavity between interior gasbag anti-pressure cover and the outer anti-pressure cover, the wave bending ring cover is arranged in the cavity between interior gasbag anti-pressure cover and the outer anti-pressure cover, the department of buckling of wave bending ring cover sets up the rubber column.
As further preferable in the present technical solution: the extending direction of the axis of the rubber column is the same as the extending direction of the axis of the cable body.
As further preferable in the present technical solution: the inner flame-retardant layer comprises a flame-retardant strip A and a flame-retardant strip B, the flame-retardant strip A and the flame-retardant strip B are provided with multiple groups, the flame-retardant strip A and the flame-retardant strip B are arranged at intervals, and the flame-retardant strip A and the flame-retardant strip B are annularly distributed outside the cable core.
As further preferable in the present technical solution: cavities are formed in the flame-retardant strips A and the flame-retardant strips B, flame-retardant powder is filled in the cavities of the flame-retardant strips A, and flame-retardant gas is filled in the cavities of the flame-retardant strips B.
As further preferable in the present technical solution: the outer flame-retardant layer and the inner flame-retardant layer have the same structure.
As further preferable in the present technical solution: the outer protection layer comprises an outer sheath, a shielding layer and an armor layer, the armor layer is arranged on the inner wall of the shielding layer, and the shielding layer is arranged on the inner wall of the outer sheath.
The utility model provides a flame-retardant cable with a compression-resistant protection structure, which has the following beneficial effects:
(1) according to the utility model, the pressure-resistant layer consisting of the outer pressure-resistant sleeve, the inner air bag pressure-resistant sleeve, the wave bending ring sleeve and the rubber column is arranged between the cable core and the outer protective layer in the cable body, the wave bending ring sleeve with the rubber column arranged at the bending position is arranged between the outer pressure-resistant sleeve and the inner air bag pressure-resistant sleeve, the rubber column is utilized to enable the bending position of the wave bending ring sleeve to have good pressure resistance, so that the wave bending ring sleeve is not easy to deform during strong extrusion, the pressure-resistant layer has good pressure resistance under the action of combining the outer pressure-resistant sleeve and the inner air bag pressure-resistant sleeve, and the pressure-resistant layer protects the cable core when the cable body is extruded, so that the cable core is prevented from being damaged.
(2) According to the utility model, the inner flame-retardant layer and the outer flame-retardant layer are sequentially arranged outside the cable core, two groups of flame-retardant structures are arranged outside the cable core under the action of the inner flame-retardant layer and the outer flame-retardant layer, so that the flame-retardant effect can be effectively improved, meanwhile, the inner flame-retardant layer and the outer flame-retardant layer are both formed by the flame-retardant strips A filled with flame-retardant powder and the flame-retardant strips B filled with flame-retardant gas, the flame-retardant strips A and the flame-retardant strips B distributed at intervals in a ring form a flame-retardant sleeve outside the cable core, and the flame spread can be prevented in time by using the flame-retardant gas and the flame-retardant powder, so that better flame-retardant fire extinguishment is facilitated.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an inside elevational view of the present invention;
FIG. 3 is a side view of the pressure resistant layer of the present invention;
fig. 4 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.
In the figure: 1. a cable body; 2. a cable core; 3. an inner flame retardant layer; 4. a pressure resistant layer; 5. an outer flame retardant layer; 6. an outer protective layer; 7. a conductor; 8. an insulating filler; 9. an insulating layer; 10. an outer sheath; 11. a shielding layer; 12. an armor layer; 13. an outer compression sleeve; 14. the inner air sac resists the pressure sleeve; 15. the ring sleeve is bent in a wave manner; 16. a rubber column; 17. a flame retardant strip A; 18. a flame retardant strip B; 19. a cavity; 20. a flame-retardant gas; 21. a flame retardant powder.
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.
As shown in fig. 1 to 4, the present invention provides a technical solution: the utility model provides a flame retarded cable with resistance to compression protection architecture, including the cable body 1, the cable body 1 includes cable core 2, interior fire-retardant layer 3, resistance to compression layer 4, outer fire-retardant layer 5 and outer protective layer 6, the outer parcel of cable core 2 has interior fire-retardant layer 3, interior fire-retardant layer 3 sets up resistance to compression layer 4 outward, the outside parcel in resistance to compression layer 4 has outer fire-retardant layer 5, outer protective layer 6 sets up the outer wall on outer fire-retardant layer 5, cable core 2 includes conductor 7, insulating filler 8 and insulating layer 9, conductor 7 is provided with the multiunit, and multiunit conductor 7 intertwine, the outside parcel of conductor 7 has insulating layer 9, and fill insulating filler 8 between insulating layer 9 and the conductor 7.
In this embodiment, specifically: the pressure resistant layer 4 consists of an outer pressure resistant sleeve 13, an inner air bag pressure resistant sleeve 14, a wave bending ring sleeve 15 and a rubber column 16, the outer pressure resistant sleeve 13 is sleeved outside the inner air bag pressure resistant sleeve 14, and a cavity is arranged between the inner air bag pressure-resistant sleeve 14 and the outer pressure-resistant sleeve 13, the wave bending ring sleeve 15 is arranged in the cavity between the inner air bag pressure-resistant sleeve 14 and the outer pressure-resistant sleeve 13, a rubber column 16 is arranged at the bending part of the wave bending ring sleeve 15, the outer pressure-resistant sleeve 13 and the inner air bag pressure-resistant sleeve 14 are utilized to enable the cable core 2 to form a protective cover, meanwhile, the bending radian of the wave bending ring sleeve 15 is utilized, so that the wave bending ring sleeve 15 is not easy to deform when being highly extruded, and the pressure resistant layer 4 has good pressure resistance, the cable is not easy to deform during extrusion, so that the cable core 2 can be well protected, and when the cable body 1 is extruded, the cable core 2 is protected by the anti-pressure layer 4, so that the cable core 2 is prevented from being damaged.
In this embodiment, specifically: the extending direction of the axis of the rubber column 16 is the same as that of the axis of the cable body 1, and when the cable is used, the rubber column 16 is used for providing supporting force for the bending part of the wave bending ring sleeve 15, so that the strength and the pressure resistance of the wave bending ring sleeve 15 are improved.
In this embodiment, specifically: the inner flame-retardant layer 3 comprises a flame-retardant strip A17 and a flame-retardant strip B18, a plurality of groups of flame-retardant strips A17 and a plurality of groups of flame-retardant strips B18 are arranged, the flame-retardant strips A17 and the flame-retardant strips B18 are arranged at intervals, the flame-retardant strips A17 and the flame-retardant strips B18 are annularly distributed outside the cable core 2, cavities 19 are respectively arranged in the flame-retardant strips A17 and the flame-retardant strips B18, the cavity 19 of the flame-retardant strip A17 is filled with flame-retardant powder 21, the cavity 19 of the flame-retardant strip B18 is filled with flame-retardant gas 20, the outer flame-retardant layer 5 and the inner flame-retardant layer 3 are structurally identical to each other, two groups of flame-retardant structures are arranged outside the cable core 2 under the action of the inner flame-retardant layer 3 and the outer flame-retardant layer 5, the flame-retardant effect can be effectively improved, the inner flame-retardant layer 3 and the outer flame-retardant layer 5 are both composed of a plurality of groups of flame-retardant strips A17 and flame-retardant strips B18 which are arranged at intervals, the flame-retardant strips A17 are filled with flame-retardant powder 21, the cavity 19 of the flame-retardant strips B18 are sleeved on the cable core 2, when a fire breaks out, the flame-retardant gas 20 and the flame-retardant powder 21 can be used for preventing the fire from spreading in time, so that better flame retardance and fire extinguishment are facilitated.
In this embodiment, specifically: the outer protection layer 6 comprises an outer sheath 10, a shielding layer 11 and an armor layer 12, the armor layer 12 is arranged on the inner wall of the shielding layer 11, the shielding layer 11 is arranged on the inner wall of the outer sheath 10, and when the shielding layer is used, the shielding layer 11 is utilized to well shield interference signals.
It should be noted that, in the flame retardant cable with the compression-resistant protection structure, when working, the inner flame retardant layer 3, the compression-resistant layer 4 and the outer flame retardant layer 5 are sequentially sleeved from inside to outside between the cable core 2 and the outer protection layer 6 in the cable body 1, the compression-resistant layer 4 is composed of the outer compression-resistant sleeve 13, the inner air bag compression-resistant sleeve 14, the wave bending loop sleeve 15 and the rubber column 16, the rubber column 16 is placed at the bending position of the wave bending loop sleeve 15 and then placed between the outer compression-resistant sleeve 13 and the inner air bag compression-resistant sleeve 14, when in use, the cable core 2 is shaped into a protection cover by using the outer compression-resistant sleeve 13 and the inner air bag compression-resistant sleeve 14, and simultaneously, by using the bending radian of the wave bending loop sleeve 15, the wave bending loop 15 is highly extruded and is not easy to deform, so that the compression-resistant layer 4 has good compression resistance and is not easy to deform during extrusion, thereby protecting the cable core 2, when the cable body 1 receives the extrusion, utilize the crushing layer 4 to protect cable core 2, avoid cable core 2 to receive the damage, wherein, make cable core 2 have two sets of fire-retardant structures outward under the effect of fire-retardant layer 3 and outer fire-retardant layer 5, can effectual improvement flame retardant efficiency, simultaneously with fire-retardant layer 3 and outer fire-retardant layer 5 all adopt fire-retardant strip A17 and fire-retardant strip B18 that the multiunit interval set up to constitute, and pack fire-retardant powder 21 in fire-retardant strip A17's cavity 19, pack flame-retardant gas 20 in fire-retardant strip B18's cavity 19, fire-retardant cover is become in cable core 2 appearance to fire-retardant strip A17 and fire-retardant strip B18 of annular interval distribution, can be when the fire, utilize flame-retardant gas 20 and flame-retardant powder 21 in time to prevent the intensity of a fire from spreading, be convenient for better fire-retardant putting out.
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 (7)

1. The utility model provides a flame retarded cable with resistance to compression protection architecture, includes cable body (1), its characterized in that: the cable body (1) includes cable core (2), interior flame retardant coating (3), anti-pressure layer (4), outer flame retardant coating (5) and outer protective layer (6), cable core (2) outer parcel has interior flame retardant coating (3), interior flame retardant coating (3) set up anti-pressure layer (4) outward, the outside parcel of anti-pressure layer (4) has outer flame retardant coating (5), outer protective layer (6) set up the outer wall on outer flame retardant coating (5), cable core (2) are including conductor (7), insulating filler (8) and insulating layer (9), conductor (7) are provided with the multiunit, and multiunit conductor (7) twine each other, the outside parcel of conductor (7) has insulating layer (9), and packs insulating filler (8) between insulating layer (9) and conductor (7).
2. The flame-retardant cable with the pressure-resistant protection structure as claimed in claim 1, wherein: anti-pressure layer (4) are buckled ring cover (15) and rubber column (16) by outer anti-pressure cover (13), interior gasbag anti-pressure cover (14), wave and are constituteed, outer anti-pressure cover (13) cover is established in the outside of interior gasbag anti-pressure cover (14), and has the cavity between interior gasbag anti-pressure cover (14) and outer anti-pressure cover (13), cavity between interior gasbag anti-pressure cover (14) and outer anti-pressure cover (13) is arranged in to wave bending ring cover (15), the department of buckling of wave bending ring cover (15) sets up rubber column (16).
3. The flame-retardant cable with the pressure-resistant protection structure as claimed in claim 2, wherein: the extending direction of the axis of the rubber column (16) is the same as the extending direction of the axis of the cable body (1).
4. The flame-retardant cable with the pressure-resistant protection structure as claimed in claim 1, wherein: the inner flame-retardant layer (3) comprises flame-retardant strips A (17) and flame-retardant strips B (18), wherein the flame-retardant strips A (17) and the flame-retardant strips B (18) are provided with multiple groups, the flame-retardant strips A (17) and the flame-retardant strips B (18) are arranged at intervals, and the flame-retardant strips A (17) and the flame-retardant strips B (18) are annularly distributed outside the cable core (2).
5. The flame-retardant cable with the pressure-resistant protection structure as claimed in claim 4, wherein: cavities (19) are formed in the flame-retardant strips A (17) and the flame-retardant strips B (18), flame-retardant powder (21) is filled in the cavities (19) of the flame-retardant strips A (17), and flame-retardant gas (20) is filled in the cavities (19) of the flame-retardant strips B (18).
6. The flame-retardant cable with the pressure-resistant protection structure as claimed in claim 5, wherein: the outer flame-retardant layer (5) and the inner flame-retardant layer (3) have the same structure.
7. The flame-retardant cable with the pressure-resistant protection structure as claimed in claim 1, wherein: the outer protection layer (6) comprises an outer sheath (10), a shielding layer (11) and an armor layer (12), the armor layer (12) is arranged on the inner wall of the shielding layer (11), and the shielding layer (11) is arranged on the inner wall of the outer sheath (10).
CN202121400136.3U 2021-06-23 2021-06-23 Flame-retardant cable with compression-resistant protection structure Active CN215496097U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121400136.3U CN215496097U (en) 2021-06-23 2021-06-23 Flame-retardant cable with compression-resistant protection structure

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Application Number Priority Date Filing Date Title
CN202121400136.3U CN215496097U (en) 2021-06-23 2021-06-23 Flame-retardant cable with compression-resistant protection structure

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CN215496097U true CN215496097U (en) 2022-01-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114594556A (en) * 2022-01-14 2022-06-07 杭州富通通信技术股份有限公司 Flame-retardant optical cable

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114594556A (en) * 2022-01-14 2022-06-07 杭州富通通信技术股份有限公司 Flame-retardant optical cable

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