CN203535995U - Environment-friendly type fireproof cable - Google Patents
Environment-friendly type fireproof cable Download PDFInfo
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- CN203535995U CN203535995U CN201320599669.8U CN201320599669U CN203535995U CN 203535995 U CN203535995 U CN 203535995U CN 201320599669 U CN201320599669 U CN 201320599669U CN 203535995 U CN203535995 U CN 203535995U
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Abstract
The utility model discloses an environment-friendly type fireproofing cable, and the cable comprises a cable core which consists of plurality of wire cores. A filling layer is disposed between the cable cores. The exterior of the filling layer is sequentially provided with a wrapping layer, a metal armor layer, and a sheath. Each wire core is sequentially provided with a conductor, a fireproof layer, a high-temperature flame-retardant layer, and an insulating layer. The metal armor layer consists of a plurality of joint strips which are uniformly arranged in the circumferential direction. Each joint strip comprises a chain core and a reinforcing sleeve. The reinforcing sleeves are formed by the tandem connection of a plurality of sectional ring sleeves which are provided with central perforations and arranged along the axis direction in a plugging mode. The chain cores are disposed in the central perforations of the sectional ring sleeves in a perforated manner. The diameter of each chain core is less than that of a conventional metal wire, the toughness is better, and the bending degree is great. The reinforcing sleeves can protect the chain cores from mechanical damage, the rigidity is good, the effects of strengthening and reinforcing are better, and all sectional ring sleeves can be in cup-joint connection in a twistable manner so as to guarantee the bending degree of the joint strips. The metal armor layer made of the joint strips protects the cable from mechanical damage, thereby enabling the cable to be laid in a district where there are a plurality of bending segments. The cable provided by the utility model is good in bending performance and is easy to construct.
Description
Technical field
The utility model relates to a kind of field of cables, and more particularly, it relates to a kind of environment-friendly type fire-resisting cable.
Background technology
Environment-friendly type fire-resisting cable refers to and in flame combustion situation, can keep certain hour safe operation and not contain the heavy metals such as lead, cadmium, sexivalent chromium, mercury, do not contain bromide fire retardant, through SGS, generally acknowledge the test of testing agency to environmental-protecting performance, meet European Union environmental protection instruction and higher than its index request, do not produce harmful halogen gas, do not produce corrosive gas, during burning, fever amount is few, not the cable of contaminated soil.
At present, environment-friendly type fire-resisting cable on market, it comprises some cable cores of being made by many cores, described some cable cores gap is provided with packed layer, described packed layer is provided with lapping layer, metal armouring layer and sheath outward successively, and described core is provided with conductor, flame retardant coating, high temperature flame-proof layer and insulating barrier from the inside to the outside successively.This environment-friendly type fire-resisting cable, although adopting low smoke and zero halogen and fire resistant flame retardant material makes, there is certain environmental protection and fire resistance, but its metal armouring layer is mostly traditional structure, is comprised of wire, in layer, stress is larger, when crooked or construction, easily break through sheath, bendability is poor, is difficult for construction.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of good bandability and is easy to the environment-friendly type fire-resisting cable of construction.
For achieving the above object, the utility model provides following technical scheme: a kind of environment-friendly type fire-resisting cable, comprise some cable cores of being made by many cores, described some cable cores gap is provided with packed layer, described packed layer is provided with lapping layer outward successively, metal armouring layer and sheath, described core is provided with conductor from the inside to the outside successively, flame retardant coating, high temperature flame-proof layer and insulating barrier, described metal armouring layer is comprised of some joint bars that form of circumferentially evenly arranging, described joint bar comprises chain core and rigidized cover, described rigidized cover is in series with inserting mode along axis direction by some joint ring sets that are provided with central hole, described chain core is arranged in joint ring set central hole.
By adopting technique scheme, because the more traditional wire of the diameter of chain core is little a lot, when good toughness is provided, flexibility is larger, and the rigidized cover protection chain core being sheathed on outside chain core is not mechanically damaged, there is good rigidity, play good reinforcement reinforcement effect, simultaneously due to the mutual socket that twists between each joint ring set, ensured the good flexibility of joint bar, the metal armouring layer of being made by some these joint bars, when protection cable is not mechanically damaged, good bendability is provided, make cable exist the location of a plurality of bending sections to lay, good bandability, be easy to construction.
The utility model is further set to: described joint ring set is the cylindrical setting of central hole, its one end is the projection connecting portion that is provided with cambered surface, the other end is the depression connecting portion that is provided with the groove suitable with the cambered surface of jut, and described any two adjacent joint ring sets on are axially projection connecting portion and depression connecting portion and coordinate and install.
By adopting technique scheme, the socket of projection connecting portion and depression connecting portion, make to there is very high flexibility ratio between each joint ring set, guarantee the flexibility of joint bar, and then assurance metal armour, further, to the bendability of cable, make cable can adapt to the construction environment of various harshnesses, be easy to construction.
The utility model is further set to: the outer wall place side of described joint bar is provided with protective layer.
By adopting technique scheme; protective layer completely cuts off joint bar and external environment condition; preventing that fine particle impurity etc. from entering respectively saves gap between ring set; the flexibility ratio of reversing between impact joint ring set; improve useful life and the applicability of joint bar; be easy to making of metal armouring layer, guarantee the bendability of cable.
The utility model is further set to: described cable core is set to seven, and described cable core is six roots of sensation cable core around the cable core shape setting of Yi Gen center.
By adopting technique scheme, turn to the hexagonal cable core of class and fit tightly each other, make full use of the space in cable, and it is firmer to arrange, improve the degree of resistance to mechanical damage of cable.
The utility model is further set to: described lapping layer is made by ceramic silicon rubber.
By adopting technique scheme, make lapping layer have good operability, tension intensity good, not yielding high temperature resistant, turn over mould often, the advantage such as long service life, acid and alkali-resistance be ageing-resistant.
The utility model is further set to: described sheath is made by low-smoke halogen-free polyolefin.
By adopting technique scheme, make sheath there is good physical and mechanical properties and good fire resistance, elongation at break is high, and resistance to cracking can be good, and processing characteristics is good, does not substantially have the volatilization of harmful smog while meeting naked light burning, environment friendly and pollution-free.
The utility model is further set to: described flame retardant coating is made by fire-resistant isinglass belt.
By adopting technique scheme, make flame retardant coating there is good resistance to elevated temperatures and flame resistance energy, when meeting naked light burning, substantially there is not the volatilization of harmful smog, environment friendly and pollution-free.
The utility model is further set to: described high temperature flame-proof layer is made by high temperature flame-proof glass-fiber-fabric.
By adopting technique scheme, at flame retardant coating, add the protection of the high temperature flame-proof layer of being made by high temperature flame-proof glass-fiber-fabric outward, effectively protect flame retardant coating injury-free, greatly improved the mechanical performance of flame retardant coating, guarantee that cable is in the coefficient of safety that burning occurs.
The utility model is further set to: described insulating barrier is made by low-smoke halogen-free polyolefin.
By adopting technique scheme, make insulating barrier there is good physical and mechanical properties and good fire resistance, elongation at break is high, and resistance to cracking can be good, and processing characteristics is good, does not substantially have the volatilization of harmful smog while meeting naked light burning, environment friendly and pollution-free.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model environment-friendly type fire-resisting cable embodiment;
Fig. 2 is the joint bar structural representation of the utility model environment-friendly type fire-resisting cable embodiment.
Description of reference numerals: 1, cable core; 11, core; 111, conductor; 112, flame retardant coating; 113, high temperature flame-proof layer; 114, insulating barrier; 2, packed layer; 3, lapping layer; 4, metal armouring layer; 41, joint bar; 411, chain core; 412, rigidized cover; 4121, joint ring set; 41211, projection connecting portion; 41212, depression connecting portion; 413, protective layer; 5, sheath.
Embodiment
Referring to figs. 1 through Fig. 2, the utility model environment-friendly type fire-resisting cable embodiment is described further.
A kind of environment-friendly type fire-resisting cable, comprise some cable cores of being made by many cores 11 1, described some cable cores 1 gap is provided with packed layer 2, the outer lapping layer 3 that is provided with successively of described packed layer 2, metal armouring layer 4 and sheath 5, described core 11 is provided with conductor 111 from the inside to the outside successively, flame retardant coating 112, high temperature flame-proof layer 113 and insulating barrier 114, described metal armouring layer 4 is comprised of some joint bars 41 that form of circumferentially evenly arranging, described joint bar 41 comprises chain core 411 and rigidized cover 412, described rigidized cover 412 is in series with inserting mode along axis direction by some joint ring sets 4121 that are provided with central hole, described chain core 411 is arranged in joint ring set 4121 central hole.Because the more traditional wire of the diameter of chain core 411 is little a lot, when good toughness is provided, flexibility is larger, and the rigidized cover 412 protection chain cores 411 that are sheathed on outside chain core 411 are not mechanically damaged, there is good rigidity, play good reinforcement reinforcement effect, simultaneously due to the mutual socket that twists between each joint ring set 4121, ensured the good flexibility of joint bar 41, the metal armouring layer 4 of being made by some these joint bars 41, when protection cable is not mechanically damaged, good bendability is provided, make cable exist the location of a plurality of bending sections to lay, good bandability, be easy to construction.
Described joint ring set 4121 is the cylindrical setting of central hole, its one end is the projection connecting portion 41211 that is provided with cambered surface, the other end is the depression connecting portion 41212 that is provided with the groove suitable with the cambered surface of jut, and described any two adjacent joint ring sets 4121 on are axially projection connecting portion 41211 and depression connecting portion 41212 and coordinate and install.The socket of projection connecting portion 41211 and depression connecting portion 41212, make to there is very high flexibility ratio between each joint ring set 4121, guarantee the flexibility of joint bar 41, and then assurance metal armour 4, further to the bendability of cable, make cable can adapt to the construction environment of various harshnesses, be easy to construction.
The outer wall place side of described joint bar 41 is provided with protective layer 413.Protective layer 413 makes joint bar 41 and external environment condition isolated; preventing that fine particle impurity etc. from entering respectively saves gap between ring set 4121, and the flexibility ratio of reversing between impact joint ring set 4121 improves useful life and the applicability of joint bar 41; be easy to making of metal armouring layer 4, guarantee the bendability of cable.
Described cable core 1 is set to seven, and described cable core 1 is six roots of sensation cable core 1 around the 1 shape setting of Yi Gen center cable core.Turn to the hexagonal cable core 1 of class and fit tightly each other, make full use of the space in cable, and it is firmer to arrange, improve the degree of resistance to mechanical damage of cable.
Described lapping layer 3 is made by ceramic silicon rubber.Make lapping layer 3 have good operability, tension intensity good, not yielding high temperature resistant, turn over mould often, the advantage such as long service life, acid and alkali-resistance be ageing-resistant.
Described sheath 5 is made by low-smoke halogen-free polyolefin.Make sheath 5 have good physical and mechanical properties and good fire resistance, elongation at break is high, and resistance to cracking can be good, and processing characteristics is good, does not substantially have the volatilization of harmful smog while meeting naked light burning, environment friendly and pollution-free.
Described flame retardant coating 112 is made by fire-resistant isinglass belt.Make flame retardant coating 112 there is good resistance to elevated temperatures and flame resistance energy, when meeting naked light burning, substantially do not have the volatilization of harmful smog, environment friendly and pollution-free.
Described high temperature flame-proof layer 113 is made by high temperature flame-proof glass-fiber-fabric.Outside flame retardant coating 112, add the protection of the high temperature flame-proof layer 113 of being made by high temperature flame-proof glass-fiber-fabric, effectively protect flame retardant coating 112 injury-free, greatly improved the mechanical performance of flame retardant coating 112, guarantee that cable is in the coefficient of safety that burning occurs.
Described insulating barrier 114 is made by low-smoke halogen-free polyolefin.Make insulating barrier 114 have good physical and mechanical properties and good fire resistance, elongation at break is high, and resistance to cracking can be good, and processing characteristics is good, does not substantially have the volatilization of harmful smog while meeting naked light burning, environment friendly and pollution-free.
Claims (9)
1. an environment-friendly type fire-resisting cable, comprise some cable cores of being made by many cores, described some cable cores gap is provided with packed layer, described packed layer is provided with lapping layer outward successively, metal armouring layer and sheath, described core is provided with conductor from the inside to the outside successively, flame retardant coating, high temperature flame-proof layer and insulating barrier, it is characterized in that: described metal armouring layer is comprised of some joint bars that form of circumferentially evenly arranging, described joint bar comprises chain core and rigidized cover, described rigidized cover is in series with inserting mode along axis direction by some joint ring sets that are provided with central hole, described chain core is arranged in joint ring set central hole.
2. environment-friendly type fire-resisting cable according to claim 1, it is characterized in that: described joint ring set is the cylindrical setting of central hole, its one end is the projection connecting portion that is provided with cambered surface, the other end is the depression connecting portion that is provided with the groove suitable with the cambered surface of jut, and described any two adjacent joint ring sets on are axially projection connecting portion and depression connecting portion and coordinate and install.
3. environment-friendly type fire-resisting cable according to claim 1 and 2, is characterized in that: the outer wall place side of described joint bar is provided with protective layer.
4. environment-friendly type fire-resisting cable according to claim 3, is characterized in that: described cable core is set to seven, and described cable core is six roots of sensation cable core around the cable core shape setting of Yi Gen center.
5. environment-friendly type fire-resisting cable according to claim 4, is characterized in that: described lapping layer is made by ceramic silicon rubber.
6. environment-friendly type fire-resisting cable according to claim 5, is characterized in that: described sheath is made by low-smoke halogen-free polyolefin.
7. environment-friendly type fire-resisting cable according to claim 6, is characterized in that: described flame retardant coating is made by fire-resistant isinglass belt.
8. environment-friendly type fire-resisting cable according to claim 7, is characterized in that: described high temperature flame-proof layer is made by high temperature flame-proof glass-fiber-fabric.
9. environment-friendly type fire-resisting cable according to claim 8, is characterized in that: described insulating barrier is made by low-smoke halogen-free polyolefin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320599669.8U CN203535995U (en) | 2013-09-26 | 2013-09-26 | Environment-friendly type fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320599669.8U CN203535995U (en) | 2013-09-26 | 2013-09-26 | Environment-friendly type fireproof cable |
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| Publication Number | Publication Date |
|---|---|
| CN203535995U true CN203535995U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320599669.8U Expired - Fee Related CN203535995U (en) | 2013-09-26 | 2013-09-26 | Environment-friendly type fireproof cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331465A (en) * | 2017-08-16 | 2017-11-07 | 合肥东凯智控科技有限公司 | A kind of automobile engine using new energy resources wire harness insulating sheath |
-
2013
- 2013-09-26 CN CN201320599669.8U patent/CN203535995U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331465A (en) * | 2017-08-16 | 2017-11-07 | 合肥东凯智控科技有限公司 | A kind of automobile engine using new energy resources wire harness insulating sheath |
| CN107331465B (en) * | 2017-08-16 | 2023-09-19 | 合肥东凯智控科技有限公司 | New energy automobile engine pencil insulating sheath |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20140926 |
|
| EXPY | Termination of patent right or utility model |