CN205984338U - High insulating wire and cable that elasticity was easily bent by force - Google Patents
High insulating wire and cable that elasticity was easily bent by force Download PDFInfo
- Publication number
- CN205984338U CN205984338U CN201621007640.6U CN201621007640U CN205984338U CN 205984338 U CN205984338 U CN 205984338U CN 201621007640 U CN201621007640 U CN 201621007640U CN 205984338 U CN205984338 U CN 205984338U
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- retardant
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Abstract
The utility model is suitable for a wire and cable's technical field discloses a high insulating wire and cable that elasticity was easily bent by force, including conductor, high insulating layer and sheath, the sheath constitute by fire -retardant inlayer of low smoke and zero halogen and the fire -retardant skin of low smoke and zero halogen, the outer peripheral face of the fire -retardant inlayer of low smoke and zero halogen on gather and have the protruding thorn of second, the protruding thorn of second embedded on the fire -retardant outer inner peripheral surface of low smoke and zero halogen, the conductor form by wall scroll or the transposition of many conductor lines, the conductor coating in high insulating layer, the outer peripheral face of high insulating layer on gather and have first protruding thorn, first protruding thorn embedded in the cladding on the inner peripheral surface of the fire -retardant inlayer of low smoke and zero halogen of high insulating layer periphery. The utility model relates to a high insulating wire and cable that elasticity was easily bent by force, rational in infrastructure, adjacent layer meshing nature is good, still has stronger crooked elasticity ability under low temperature environment, long service life, and have high insulating effect, reduced the risk of electric leakage.
Description
【Technical field】
This utility model is related to the technical field of electric wire, particularly to a kind of high insulated electro of retractility easily bending by force
Line cable.
【Background technology】
Electric wire product huge number, range of application is quite varied, is related to the industries such as electric power, building, communication, manufacture,
Closely related with national economy.Electric wire is also known as " tremulous pulse " and " neural " of national economy, is conveying electric energy, transmission letter
Breath and the various motors of manufacture, instrument, instrument, realize the indispensable basic equipment of electromagnetic energy conversion institute, are electrified, letters
Necessary basic product in breathization society.Therefore, the quality of electric wire plays vital work in national economical system
With.
At present, add the inorganic combustion inhibitors such as magnesium hydroxide, aluminium hydroxide generally in the external coating of electric wire to reach
To the effect of flame-resistant insulation, but because the content of mineral material rises, water absorbing properties improve, and lead to insulation resistance to reduce, deposit
In larger electric leakage risk, and current electric wire, in the winter time etc. under cold low temperature environment, exists not pliable, retractility is relatively
Low defect, brings certain difficulty to cable wiring manufacture, in order to solve the above problems it is necessary to propose a kind of retractility easy to break by force
Curved high insulated wire cable.
【Utility model content】
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of height of retractility easily bending by force
Insulated wire cable, it aims to solve the problem that the external coating of electric wire in prior art due to inorganic combustion inhibitor using presence relatively
Big electric leakage risk, and at low ambient temperatures, exist not pliable, the technical problem of the relatively low defect of retractility.
For achieving the above object, the utility model proposes a kind of high insulated wire cable of retractility easily bending by force, bag
Include conductor, high insulation and sheath, described sheath is made up of low-smoke non-halogen flame-retardant internal layer and low-smoke non-halogen flame-retardant outer layer, described
The outer peripheral face of low-smoke non-halogen flame-retardant internal layer on be densely covered with the second raised thorn, the second described raised thorn is embedded in low smoke and zero halogen resistance
On the inner peripheral surface of combustion outer layer, by wall scroll or a plurality of conductor lines are stranded forms for described conductor, and described conductor is coated on high absolutely
In edge layer, the described outer peripheral face of high insulation is densely covered with the first raised thorn, the first described raised thorn is embedded in and is coated on
On the inner peripheral surface of low-smoke non-halogen flame-retardant internal layer of high insulation periphery.
Preferably, described conductor lines adopt in tinned wird, natural resin enamel-covered wire, synthetic resin enamel-covered wire
Kind.
Preferably, described high insulation is crosslinked polyetylene insulated layer, the thickness of described high insulation is sheath
The 1～15% of thickness.
Preferably, the first described raised thorn is in cone-shaped structure, highly for 0.1～0.3mm, described first is raised
Embedded depth on low-smoke non-halogen flame-retardant internal layer inner peripheral surface for the thorn is 0.1～0.3mm.
Preferably, the first described raised thorn is along the regular or random arrangement of length direction of high insulation,
There is gap between adjacent first raised thorn.
Preferably, the second described raised thorn is in cone-shaped structure, highly for 0.5mm, the second described raised thorn exists
Embedded depth on the inner peripheral surface of low-smoke non-halogen flame-retardant outer layer is 0.5mm.
Preferably, the second described raised thorn is regular or random along the length direction of low-smoke non-halogen flame-retardant internal layer
Then arrange, between the adjacent second raised thorn, there is gap.
The beneficial effects of the utility model：Compared with prior art, a kind of retractility that this utility model provides is easy to break by force
Curved high insulated wire cable, rational in infrastructure, sheath adopts the chimeric double-decker of the second raised thorn, and sheath and high insulation
The same embedded structure adopting the first raised thorn, engagement property preferably, is not in the situation of offsetting between adjacent layer, and due to the
One raised thorn and the setting of the second raised thorn, improve the bending property of high insulation and low-smoke non-halogen flame-retardant internal layer, in the winter time
Deng in the environment of cold low temperature, still there is stronger bending telescopicing performance, easy bending, strength bending is not easy to ftracture, and is easy to connect up
Construction；Additionally, high insulation is crosslinked polyetylene insulated layer, there is high insulation resistance, heat-resisting chemically-resistant and stronger machinery special
Property it is not necessary to add the effect that fire retardant can reach high insulation high fire-retardance, reduce the risk of electric leakage.
Feature of the present utility model and advantage will combine accompanying drawing by embodiment and be described in detail.
【Brief description】
Fig. 1 is a kind of schematic cross-section of retractility of this utility model embodiment easy high insulated wire cable of bending by force.
In figure：1- conductor, 11- conductor lines, 2- high insulation, the raised thorn of 21- first, 3- low-smoke non-halogen flame-retardant internal layer, 31-
Second raised thorn, 4- low-smoke non-halogen flame-retardant outer layer.
【Specific embodiment】
For making the purpose of this utility model, technical scheme and advantage of greater clarity, below by accompanying drawing and implement
Example, is further elaborated to this utility model.However, it should be understood that specific embodiment described herein only in order to
Explain this utility model, be not limited to scope of the present utility model.Additionally, in the following description, eliminate to known knot
Structure and the description of technology, to avoid unnecessarily obscuring concept of the present utility model.
Refering to Fig. 1, this utility model embodiment provides a kind of high insulated wire cable of retractility easily bending by force, including leading
Body 1, high insulation 2 and sheath, described sheath is made up of low-smoke non-halogen flame-retardant internal layer 3 and low-smoke non-halogen flame-retardant outer layer 4, described
The outer peripheral face of low-smoke non-halogen flame-retardant internal layer 3 on be densely covered with the second raised thorn 31, the second described raised thorn 31 is embedded in low cigarette
On the inner peripheral surface of halogen-free flameproof outer layer 4, by wall scroll or a plurality of conductor lines 11 are stranded forms for described conductor 1, described conductor 1
It is coated in high insulation 2, the described outer peripheral face of high insulation 2 is densely covered with the first raised thorn 21, described first is raised
Thorn 21 is embedded on the inner peripheral surface of low-smoke non-halogen flame-retardant internal layer 3 being coated on high insulation 2 periphery.
Specifically, described conductor lines 11 adopt in tinned wird, natural resin enamel-covered wire, synthetic resin enamel-covered wire
Kind, described high insulation 2 is crosslinked polyetylene insulated layer, the thickness of described high insulation 2 be jacket thickness 1～
15%.
Further, the first described raised thorn 21 is in cone-shaped structure, and highly for 0.1～0.3mm, described first is convex
Playing the thorn 21 embedded depth on low-smoke non-halogen flame-retardant internal layer 3 inner peripheral surface is 0.1～0.3mm, and the second described raised thorn 31 is in
Cone-shaped structure, highly for 0.5mm, the second described raised thorn 31 is embedded on the inner peripheral surface of low-smoke non-halogen flame-retardant outer layer 4
Depth is 0.5mm.
Further, the first described raised thorn 21 is regular or random along the length direction of high insulation 2
, there is gap in arrangement, described the second raised thorn 31 is along the length of low-smoke non-halogen flame-retardant internal layer 3 between adjacent first raised thorn 21
, between the adjacent second raised thorn 31, there is gap in the degree regular or random arrangement in direction.
This utility model embodiment also provides a kind of preparation method of retractility easy high insulated wire cable of bending by force, bag
Include following steps：
The first step, copper monofilament is drawn, annealing, obtain conductor lines 11, and by wall scroll or a plurality of conductor lines 11 in bunch
On machine, bundle strand becomes conductor 1.
Second step, cross-linked polyethylene insulating material is fed screw extruder, extrude after melting, by cross-head bag
It is overlying on conductor 1, form high insulation 2, and the first raised thorn 21 is gone out in the surface rolling of high insulation 2 by press.
3rd step, low-smoke halogen-free flame retardant material is fed screw extruder, extrude after melting, through cross-head cladding
On high insulation 2, form low-smoke non-halogen flame-retardant internal layer 3, so that the first raised thorn 21 is embedded on low-smoke non-halogen flame-retardant internal layer 3,
And the second raised thorn 31 is gone out in the surface rolling of low-smoke non-halogen flame-retardant internal layer 3 by press.
4th step, low-smoke halogen-free flame retardant material is fed screw extruder, extrude after melting, through cross-head cladding
On low-smoke non-halogen flame-retardant internal layer 3, form low-smoke non-halogen flame-retardant outer layer 4, and make the second raised thorn 31 be embedded in low smoke and zero halogen resistance
On combustion outer layer 4, obtain semi-finished product, and check the underproof electric wire of rejecting.
5th step, the spray printing being identified in the smooth outer surface of low-smoke non-halogen flame-retardant outer layer 4 by computer ink jet numbering machine,
Obtain electric wire finished product.
6th step, test package：Electric wire finished product is tested, adopts damp-prrof packing after the assay was approved, and in dry
Store under dry environment.
Wherein, the screw extruder in second step, the 3rd step and the 4th step is different three screw extruder, every spiral shell
On bar extruder, head used also differs.
A kind of high insulated wire cable of retractility of this utility model easily bending by force, sheath using chimeric double-decker,
And sheath equally adopts embedded structure with high insulation 2, engagement property preferably, is not in the situation of offsetting between adjacent layer, and
Due to the setting of the first raised thorn 21 and the second raised thorn 31, improve the bending of high insulation 2 and low-smoke non-halogen flame-retardant internal layer 3
Performance, in the winter time etc. still has stronger bending telescopicing performance, not easy to crack, easy bending in the environment of cold low temperature, extends
Service life, simultaneously facilitates cable wiring manufacture；Additionally, high insulation 2 is crosslinked polyetylene insulated layer, there is high insulation resistance, resistance to
Hot chemically-resistant and stronger mechanical property, it is not necessary to add the effect that fire retardant can reach high insulation high fire-retardance, reduce leakage
The risk of electricity.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Any modification, equivalent or improvement made within the spirit of utility model and principle etc., should be included in this utility model
Protection domain within.
Claims (7)
1. the high insulated wire cable of a kind of retractility easily bending by force, including conductor (1), high insulation (2) and sheath, its feature
It is：Described sheath is made up of low-smoke non-halogen flame-retardant internal layer (3) and low-smoke non-halogen flame-retardant outer layer (4), described low smoke and zero halogen
Second raised thorn (31) is densely covered with the outer peripheral face of fire-retardant internal layer (3), the second described raised thorn (31) is embedded in low smoke and zero halogen
On the inner peripheral surface of fire-retardant outer layer (4), by wall scroll or a plurality of conductor lines (11) are stranded forms for described conductor (1), and described leads
Body (1) is coated in high insulation (2), and the described outer peripheral face of high insulation (2) is densely covered with the first raised thorn (21), described
The first raised thorn (21) be embedded on the inner peripheral surface of low-smoke non-halogen flame-retardant internal layer (3) being coated on high insulation (2) periphery.
2. as claimed in claim 1 a kind of retractility by force easily bending high insulated wire cable it is characterised in that：
Described conductor lines (11) adopt one of tinned wird, natural resin enamel-covered wire, synthetic resin enamel-covered wire.
3. as claimed in claim 1 a kind of retractility by force easily bending high insulated wire cable it is characterised in that：
Described high insulation (2) is crosslinked polyetylene insulated layer, and the thickness of described high insulation (2) is the 1 of jacket thickness
～15%.
4. as claimed in claim 1 a kind of retractility by force easily bending high insulated wire cable it is characterised in that：
The raised thorn (21) of described first is in cone-shaped structure, and highly for 0.1～0.3mm, the first described raised thorn (21) exists
Embedded depth on low-smoke non-halogen flame-retardant internal layer (3) inner peripheral surface is 0.1～0.3mm.
5. as claimed in claim 1 a kind of retractility by force easily bending high insulated wire cable it is characterised in that：
Described first raised thorn (21) along the regular or random arrangement of length direction of high insulation (2), adjacent the
There is gap between one raised thorn (21).
6. as claimed in claim 1 a kind of retractility by force easily bending high insulated wire cable it is characterised in that：
The raised thorn (31) of described second is in cone-shaped structure, and highly for 0.5mm, the second described raised thorn (31) is in low cigarette no
Embedded depth on the inner peripheral surface of the fire-retardant outer layer of halogen (4) is 0.5mm.
7. as claimed in claim 1 a kind of retractility by force easily bending high insulated wire cable it is characterised in that：
The raised thorn (31) of described second is along the regular or random row of length direction of low-smoke non-halogen flame-retardant internal layer (3)
, between the adjacent second raised thorn (31), there is gap in cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621007640.6U CN205984338U (en) | 2016-08-30 | 2016-08-30 | High insulating wire and cable that elasticity was easily bent by force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621007640.6U CN205984338U (en) | 2016-08-30 | 2016-08-30 | High insulating wire and cable that elasticity was easily bent by force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205984338U true CN205984338U (en) | 2017-02-22 |
Family
ID=58038928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621007640.6U Withdrawn - After Issue CN205984338U (en) | 2016-08-30 | 2016-08-30 | High insulating wire and cable that elasticity was easily bent by force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205984338U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106205809A (en) * | 2016-08-30 | 2016-12-07 | 浙江秦山电缆有限公司 | A kind of high insulated wire cable of retractility easily bending by force and preparation method thereof |
| CN108767391A (en) * | 2018-05-31 | 2018-11-06 | 江苏轩博电子科技有限公司 | A kind of signal transmission radio-frequency cable |
| CN108766660A (en) * | 2018-05-31 | 2018-11-06 | 江苏轩博电子科技有限公司 | A kind of radio-frequency cable with alloy inner core |
-
2016
- 2016-08-30 CN CN201621007640.6U patent/CN205984338U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106205809A (en) * | 2016-08-30 | 2016-12-07 | 浙江秦山电缆有限公司 | A kind of high insulated wire cable of retractility easily bending by force and preparation method thereof |
| CN108767391A (en) * | 2018-05-31 | 2018-11-06 | 江苏轩博电子科技有限公司 | A kind of signal transmission radio-frequency cable |
| CN108766660A (en) * | 2018-05-31 | 2018-11-06 | 江苏轩博电子科技有限公司 | A kind of radio-frequency cable with alloy inner core |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20171027 |