CN208873520U - A kind of flame resistant cable - Google Patents
A kind of flame resistant cable Download PDFInfo
- Publication number
- CN208873520U CN208873520U CN201821864179.5U CN201821864179U CN208873520U CN 208873520 U CN208873520 U CN 208873520U CN 201821864179 U CN201821864179 U CN 201821864179U CN 208873520 U CN208873520 U CN 208873520U
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- core
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- flame retardant
- retardant coating
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Abstract
The utility model discloses a kind of flame resistant cables; including core, flexible strutting piece and waterproof layer; the flexible strutting piece includes core item; the four sides of the core item is equipped with holding dog; the outer end of the holding dog is fixedly connected with waterproof layer; the corner of the core item is equipped with several retainer rings; the core passes through retainer ring and is firmly connected with it; the outside of the waterproof layer is equipped with wrapping layer; the wrapping layer is formed by nylon rope spiral winding; the outside of the wrapping layer is equipped with flame retardant coating, and the outside of the flame retardant coating is equipped with outer jointing jacket.The outside of the core of the utility model is equipped with filled layer, is filled with inorganic mineral rope, has good anti-flammability and pull resistance, this is externally provided with the wrapping layer of nylon rope spiral winding formation, tensile strength with higher.
Description
Technical field
The utility model relates to field of cable technology, specially a kind of flame resistant cable.
Background technique
In the power system, cable plays the role of conveying electric energy, and the electric energy of cable transfer provides industrial production and people
Needed for life, so cable plays in today's society and its important role.General trunk roads cable is to transmit and divide
It with powerful cable, can not interrupt, if it is immeasurable, the people of whole region that trunk roads cable cut, which impacts,
Basic living will will receive and seriously affect because the cable of trunk roads be also for performance requirement it is very high, wherein important
One is exactly fireproof high-temperature resistant ability.The cable fire heat-resisting ability of trunk roads or poor at present is easy since high temperature is micro-
Small kindling material causes insulating layer damaged, causes wire short-circuiting to cause bigger fire, trunk roads is caused to be forced to have a power failure.Therefore electricity is improved
The fireproof high-temperature resistant performance of cable is always the pursuit of cables manufacturing practitioner.
Application No. is the Chinese patent of CN201720655961.5, it discloses a kind of flame resistant cable, including cable core,
Interior flame retardant insulation, interior high-temperature-resistant layer, fire extinguishing layer, outer high-temperature-resistant layer and outer fire-retardant are followed successively by outside the cable core from inside to outside
Insulating layer, the fire extinguishing layer is interior to be filled with extinguishing chemical.The interior flame retardant insulation that successively coats outside the cable core of above-mentioned cable, Nei Naigao
Warm layer, fire extinguishing layer, outer high-temperature-resistant layer and outer fire retardant insulating form multiple protective to cable core, can effectively promote the resistance to of cable
Fire, high temperature resistance, extend the fire resistance period of cable.But there is also following shortcomings for above scheme: cable is setting up paving
If often it is pulled during, because cable is mostly copper core, and the tensile strength of copper is lower, so be easy to causeing line
Cable is broken.
Utility model content
The purpose of this utility model is to provide a kind of flame resistant cables, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions: a kind of flame resistant cable, including core,
Flexible strutting piece and waterproof layer, the flexible strutting piece include core item, and the four sides of the core item is equipped with holding dog, the holding dog
Outer end is fixedly connected with waterproof layer, and the corner of the core item is equipped with several retainer rings, the core pass through retainer ring and and its
It is fixedly connected, the outside of the waterproof layer is equipped with wrapping layer, and the wrapping layer is formed by nylon rope spiral winding, the wrapping layer
Outside be equipped with flame retardant coating, the outside of the flame retardant coating is equipped with outer jointing jacket.
Preferably, glue sticking is used between the retainer ring and core item, the retainer ring is Nian Jie with the protection skin outside core.
Preferably, filled layer is formed between the waterproof layer and flexible strutting piece, the filled layer fills inorganic mineral
Matter rope.
Preferably, the core item is one of the forming with holding dog and is made of flame retardant rubber material extrusion molding.
Preferably, glue sticking between the outer jointing jacket and flame retardant coating, the flame retardant coating use fire-resistant isinglass belt winding system
At.
Compared with prior art, the utility model has the beneficial effects that the core of the utility model is connected to flexible support
On part, flexible strutting piece plays good support fixed function and plays buffer function in cable bending, prevents part
It deforms larger, core is caused to damage.The outside of core is equipped with filled layer, is filled with inorganic mineral rope, has good fire-retardant
Property and pull resistance, this be externally provided with nylon rope spiral winding formation wrapping layer, tensile strength with higher.
Detailed description of the invention
Fig. 1 is the schematic cross-section of the utility model；
Fig. 2 is the axonometric schematic diagram of the utility model；
Fig. 3 is the structural schematic diagram of the utility model flexible strutting piece.
In figure: 1 core, 2 flexible strutting pieces, 21 core items, 22 retainer rings, 23 holding dogs, 3 filled layers, 4 waterproof layers, 5 wrapping layers, 6
Nylon rope, 7 flame retardant coatings, 8 outer jointing jackets.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of flame resistant cable, including it is core 1, soft
Property supporting element 2 and waterproof layer 4, the waterproof layer 4 is pe sheath, and the flexible strutting piece 2 includes core item 21, the core
The four sides of item 21 is equipped with holding dog 23, and the outer end of the holding dog 23 is fixedly connected with waterproof layer 4, corner's installation of the core item 21
There are several retainer rings 22, the core 1 passes through retainer ring 22 and is firmly connected with it, and the outside of the waterproof layer 4 is equipped with wrapping layer
5, the wrapping layer 5 is formed by 6 spiral winding of nylon rope, and the outside of the wrapping layer 5 is equipped with flame retardant coating 7, the flame retardant coating 7
Outside is equipped with outer jointing jacket 8, and outer jointing jacket 8 is haloflex material, has good oil resistivity, anti-flammability and toughness.
Specifically, using glue sticking between the retainer ring 22 and core item 21, the retainer ring 22 and the protection skin outside core 1 are viscous
It connects, retainer ring 22 is made using rubber material.
Specifically, being formed with filled layer 3 between the waterproof layer 4 and flexible strutting piece 2, the filled layer 3 is filled inorganic
Minerals rope, inorganic mineral rope has good anti-flammability, and has certain tensile strength, fills around core 1, really
Protecting cable has preferable roundness.
Specifically, the core item 21 is one of the forming with holding dog 23 and is made of flame retardant rubber material extrusion molding, flexibility branch
Support member 2 plays the fixed effect of support to core 1, and there is certain elasticity to play buffer function in cable bending, prevent
It is larger to there is local deformation, core 1 is caused to damage.
Specifically, glue sticking between the outer jointing jacket 8 and flame retardant coating 7, the flame retardant coating 7 is wound using fire-resistant isinglass belt
It is made, fire-resistant isinglass belt is a kind of high performance mica insulation product, has excellent high temperature resistance and flame resistance energy, tool
There is good flexibility, is meeting the volatilization that harmful vapors are substantially not present when open fire burning, it is safe and effective for cable-flame retardant.
Working principle: the core 1 of the utility model is connected on flexible strutting piece 2, when cable bend, flexible strutting piece
2 play good support fixed function, and there is certain elasticity to play buffer function in cable bending, prevent
Local deformation is larger, and core 1 is caused to damage.The outside of core 1 is equipped with filled layer 3, is filled with inorganic mineral rope, has good
Anti-flammability and pull resistance, be equipped with wrapping layer 5 in the outside of waterproof layer 4, wrapping layer 5 is made of nylon rope 6 spiral winding, mentions
High-tensile.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of flame resistant cable, including core (1), flexible strutting piece (2) and waterproof layer (4), it is characterised in that: described
Flexible strutting piece (2) includes core item (21), and the four sides of the core item (21) is equipped with holding dog (23), the outer end of the holding dog (23) with
Waterproof layer (4) is fixedly connected, and the corner of the core item (21) is equipped with several retainer rings (22), and the core (1) passes through card
Circle (22) is simultaneously firmly connected with it, and the outside of the waterproof layer (4) is equipped with wrapping layer (5), and the wrapping layer (5) is by nylon rope
(6) spiral winding is formed, and the outside of the wrapping layer (5) is equipped with flame retardant coating (7), and the outside of the flame retardant coating (7) is equipped with outer guarantor
Sheath (8).
2. a kind of flame resistant cable according to claim 1, it is characterised in that: the retainer ring (22) and core item (21) it
Between use glue sticking, the protection skin outside the retainer ring (22) and core (1) is Nian Jie.
3. a kind of flame resistant cable according to claim 1, it is characterised in that: the waterproof layer (4) and flexible support
It is formed between part (2) filled layer (3), the filled layer (3) fills inorganic mineral rope.
4. a kind of flame resistant cable according to claim 1, it is characterised in that: the core item (21) is with holding dog (23)
Integrally formed and use flame retardant rubber material extrusion molding is made.
5. a kind of flame resistant cable according to claim 1, it is characterised in that: the outer jointing jacket (8) and flame retardant coating
(7) glue sticking between, the flame retardant coating (7) are made using fire-resistant isinglass belt winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821864179.5U CN208873520U (en) | 2018-11-13 | 2018-11-13 | A kind of flame resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821864179.5U CN208873520U (en) | 2018-11-13 | 2018-11-13 | A kind of flame resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208873520U true CN208873520U (en) | 2019-05-17 |
Family
ID=66471465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821864179.5U Active CN208873520U (en) | 2018-11-13 | 2018-11-13 | A kind of flame resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208873520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117558501A (en) * | 2023-11-13 | 2024-02-13 | 哈尔滨交联电力电缆制造有限公司 | Fire-resistant cable |
-
2018
- 2018-11-13 CN CN201821864179.5U patent/CN208873520U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117558501A (en) * | 2023-11-13 | 2024-02-13 | 哈尔滨交联电力电缆制造有限公司 | Fire-resistant cable |
| CN117558501B (en) * | 2023-11-13 | 2024-05-07 | 哈尔滨交联电力电缆制造有限公司 | Fire-resistant cable |
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