CN207441326U - A kind of flexible fire-proof cable - Google Patents
A kind of flexible fire-proof cable Download PDFInfo
- Publication number
- CN207441326U CN207441326U CN201721476878.8U CN201721476878U CN207441326U CN 207441326 U CN207441326 U CN 207441326U CN 201721476878 U CN201721476878 U CN 201721476878U CN 207441326 U CN207441326 U CN 207441326U
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- CN
- China
- Prior art keywords
- liner layer
- fire
- proof cable
- insulator
- flexible fire
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of flexible fire-proof cables, including the multiple mica tapes being uniformly arranged, multiple single cords are uniformly provided in each mica tape, insulator is arranged with jointly outside multiple mica tapes, multiple first arc grooves are uniformly provided on the lateral wall of the insulator, buffer stopper is equipped in each first arc groove, liner layer is arranged with jointly outside multiple buffer stoppers, multiple second arc grooves are uniformly provided on the liner layer lateral wall, wax film is equipped in each second arc groove, water body is equipped in each wax film, outer jacket is equipped with outside multiple wax films jointly.The utility model is simple in structure, it is easy to use, meet its flexibility requirements while the fire resistant requirements of cable are met, there is back-fire relief effect while fire prevention, there is more superior performance than traditional cable, the requirement of fireproof cable can more be met, can be widely applied to the place higher to fireproof class requirement.
Description
Technical field
The utility model is related to field of cable technology more particularly to a kind of flexible fire-proof cables.
Background technology
During generation fire, some equipment also need to the normal operation of electric system, but the requirement of existing cable high temperature resistant is limited,
When temperature reaches a timing, cable may be blown, and then can not operate normally using electric equipment, influence the live common people's
Escape and the needs of fire fighting.The insulating layer for having the fire-resisting cable of product currently on the market employs the inorganic constituents of fire resisting, such as
Magnesium chloride, mica, asbestos etc., to improve the fire resistance of cable；Also there is product using seamless copper pipe or stainless steel tube sheath, phase
Than traditional plastic sheath, copper pipe or stainless steel tube sheath have better fire resistance.The filling amount and sheath of inorganic matter
Processing will directly influence the flexibility of cable, proof voltage, fire resistant requirements are higher, and the loading of inorganic matter is more, and flexibility is got over
Low, fire resistant requirements mutually conflict with flexibility requirements, undoubtedly add the design difficulty of cable.
Utility model content
The purpose of this utility model is will be straight in order to solve the processing of the filling amount of inorganic matter in the prior art and sheath
The flexibility for influencing cable is connect, proof voltage, fire resistant requirements are higher, and the loading of inorganic matter is more, flexible lower, fire resistant requirements
With the conflicting problem of flexibility requirements, and propose a kind of flexible fire-proof cable.
To achieve these goals, the utility model employs following technical solution：
A kind of flexible fire-proof cable including the multiple mica tapes being uniformly arranged, is uniformly provided with more in each mica tape
A single cord is arranged with insulator outside multiple mica tapes jointly, and multiple the are uniformly provided on the lateral wall of the insulator
One arc groove is each equipped with buffer stopper, is arranged with liner layer jointly outside multiple buffer stoppers, institute in first arc groove
It states and multiple second arc grooves is uniformly provided on liner layer lateral wall, be equipped with wax film in each second arc groove, each
Water body is equipped in the wax film, outer jacket is equipped with jointly outside multiple wax films.
Preferably, it is connected with arc connection strap between two adjacent buffer stoppers of position.
Preferably, plug is equipped with alumina silicate fibre in the insulator.
Preferably, the outer jacket is halogen-free and low-smoke flame-retardant polyolefin sheathed layer.
Preferably, the first cavity is formed between the outer jacket and liner layer, and wax film is evenly distributed on the first cavity
It is interior.
Preferably, the second cavity is formed between the liner layer and insulator, and buffer stopper is evenly distributed on the second cavity
It is interior.
Preferably, the liner layer squeezes to be formed using mineral ceramic powder and silicon rubber.
In the utility model, wax film is thermally decomposed, and the water body outflow of wax film package can alleviate the intensity of a fire, and outer jacket is adopted
It being made of halogen-free and low-smoke flame-retardant polyolefin and further improves whole fire protecting performance, when burning, does not generate any pernicious gas,
The flexibility of Integral cable can be effectively improved simultaneously；Liner layer squeezes to form enhancing cable using mineral ceramic powder and silicon rubber
It is flexible；Buffer stopper can reduce external environment to the damage inside cable；Plug is equipped with alumina silicate fibre, aluminium silicate fiber in insulator
Dimension unit weight is light, high temperature resistant, thermal stability are good, and pyroconductivity is low, thermal capacitance is small, expanded by heating is small, heat-proof quality is good.The utility model
It is simple in structure, it is easy to use, meet its flexibility requirements while the fire resistant requirements of cable are met, there is resistance while fire prevention
Fiery effect has more superior performance than traditional cable, can more meet the requirement of fireproof cable, can be widely applied to pair
The higher place of fireproof class requirement.
Description of the drawings
Fig. 1 be the utility model proposes a kind of flexible fire-proof cable structure diagram；
Fig. 2 be the utility model proposes a kind of flexible fire-proof cable in wax film portion schematic enlarged-scale view.
In figure：1 mica tape, 2 insulators, 3 buffer stoppers, 4 arc connection straps, 5 liner layers, 6 first cavitys, 7 water bodys, outside 8
Sheath, 9 second cavitys, 10 single cords, 11 alumina silicate fibres, 12 wax films.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.
In the description of the utility model, it is to be understood that term " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instructions such as " top ", " bottom ", " interior ", " outer " are based on orientation shown in the drawings or position relationship, are only
The utility model must have specific with the device or element for simplifying description rather than instruction or hint meaning for ease of description
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
With reference to Fig. 1-2, a kind of flexible fire-proof cable is equal in each mica tape 1 including the multiple mica tapes 1 being uniformly arranged
It is even to be equipped with multiple single cords 10, insulator 2 is arranged with outside multiple mica tapes 1 jointly, plug is equipped with alumina silicate fibre in insulator 2
11,11 unit weight of alumina silicate fibre is light, high temperature resistant, thermal stability are good, and pyroconductivity is low, thermal capacitance is small, expanded by heating is small, heat-proof quality
It is good, multiple first arc grooves are uniformly provided on the lateral wall of insulator 2, buffer stopper 3 is equipped in each first arc groove, position
Arc connection strap 4 is connected between two adjacent buffer stoppers 3, liner layer 5, liner layer 5 are arranged with jointly outside multiple buffer stoppers 3
It squeezes to be formed using mineral ceramic powder and silicon rubber, enhances the flexibility of cable, it is empty that second is formed between liner layer 5 and insulator 2
Chamber 9, and buffer stopper 3 is evenly distributed in the second cavity 9, multiple second arc grooves is uniformly provided on 5 lateral wall of liner layer, each
Wax film 12 is equipped in second arc groove, water body 7 is equipped in each wax film 12, is equipped with jointly outside multiple wax films 12 outer
Sheath 8 forms the first cavity 6 between outer jacket 8 and liner layer 5, and wax film 12 is evenly distributed in the first cavity 6, outer shield
Layer 8 is halogen-free and low-smoke flame-retardant polyolefin sheathed layer, further improves whole fire protecting performance, and when burning does not generate any harmful
Gas, while the flexibility of Integral cable can be effectively improved.
When burned, wax film 12 is thermally decomposed the utility model, and the outflow of water body 7 that wax film 12 wraps up can be alleviated
The intensity of a fire, outer jacket 8 are made using halogen-free and low-smoke flame-retardant polyolefin and are further improved whole fire protecting performance, and when burning does not generate
Any pernicious gas, while the flexibility of Integral cable can be effectively improved；Liner layer 5 is squeezed using mineral ceramic powder and silicon rubber
Form the flexibility of enhancing cable；Buffer stopper 3 can reduce external environment to the damage inside cable；Plug is equipped with silicon in insulator 2
Sour aluminum fiber 11,11 unit weight of alumina silicate fibre is light, high temperature resistant, thermal stability are good, pyroconductivity is low, thermal capacitance is small, expanded by heating is small,
Heat-proof quality is good.
The above is only the preferable specific embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, in the technical scope that any one skilled in the art discloses in the utility model, according to this practicality
New technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of flexible fire-proof cable, including the multiple mica tapes being uniformly arranged（1）, which is characterized in that each mica tape
（1）Inside it is uniformly provided with multiple single cords（10）, multiple mica tapes（1）Insulator is arranged with jointly outside（2）, the insulator
（2）Lateral wall on be uniformly provided with multiple first arc grooves, be equipped with buffer stopper in each first arc groove（3）, it is multiple
The buffer stopper（3）Liner layer is arranged with jointly outside（5）, the liner layer（5）Multiple second arcs are uniformly provided on lateral wall
Slot is each equipped with wax film in second arc groove（12）, each wax film（12）Inside it is equipped with water body（7）, it is more
A wax film（12）It is outer to be equipped with outer jacket jointly（8）.
A kind of 2. flexible fire-proof cable according to claim 1, which is characterized in that two adjacent buffer stoppers of position
（3）Between be connected with arc connection strap（4）.
A kind of 3. flexible fire-proof cable according to claim 1, which is characterized in that the insulator（2）Interior plug is equipped with silicon
Sour aluminum fiber（11）.
A kind of 4. flexible fire-proof cable according to claim 1, which is characterized in that the outer jacket（8）For low smoke, zero halogen
Flame retardant polyolefin sheath.
A kind of 5. flexible fire-proof cable according to claim 1, which is characterized in that the outer jacket（8）And liner layer（5）
Between form the first cavity（6）, and wax film（12）It is evenly distributed on the first cavity（6）It is interior.
A kind of 6. flexible fire-proof cable according to claim 1, which is characterized in that the liner layer（5）And insulator（2）
Between form the second cavity（9）, and buffer stopper（3）It is evenly distributed on the second cavity（9）It is interior.
A kind of 7. flexible fire-proof cable according to claim 1, which is characterized in that the liner layer（5）It is made pottery using mineral
Porcelain powder and silicon rubber squeeze to be formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721476878.8U CN207441326U (en) | 2017-11-08 | 2017-11-08 | A kind of flexible fire-proof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721476878.8U CN207441326U (en) | 2017-11-08 | 2017-11-08 | A kind of flexible fire-proof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207441326U true CN207441326U (en) | 2018-06-01 |
Family
ID=62292219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721476878.8U Expired - Fee Related CN207441326U (en) | 2017-11-08 | 2017-11-08 | A kind of flexible fire-proof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207441326U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109300604A (en) * | 2018-10-30 | 2019-02-01 | 李涵 | A kind of fireproof cable |
| CN109524160A (en) * | 2018-10-11 | 2019-03-26 | 赵云红 | Wear-resisting, the durable type cable of one kind and its detection circuit |
| CN109727716A (en) * | 2019-02-22 | 2019-05-07 | 福建南新电缆有限公司 | A kind of sun-proof fire-resisting cable |
-
2017
- 2017-11-08 CN CN201721476878.8U patent/CN207441326U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524160A (en) * | 2018-10-11 | 2019-03-26 | 赵云红 | Wear-resisting, the durable type cable of one kind and its detection circuit |
| CN109300604A (en) * | 2018-10-30 | 2019-02-01 | 李涵 | A kind of fireproof cable |
| CN109300604B (en) * | 2018-10-30 | 2020-07-07 | 广东万瑞通电缆实业有限公司 | Fireproof cable |
| CN109727716A (en) * | 2019-02-22 | 2019-05-07 | 福建南新电缆有限公司 | A kind of sun-proof fire-resisting cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20211108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |