CN208444630U - A kind of heat-proof combustion-resistant crosslinking polyolefin insulated cable - Google Patents
A kind of heat-proof combustion-resistant crosslinking polyolefin insulated cable Download PDFInfo
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- CN208444630U CN208444630U CN201820995619.4U CN201820995619U CN208444630U CN 208444630 U CN208444630 U CN 208444630U CN 201820995619 U CN201820995619 U CN 201820995619U CN 208444630 U CN208444630 U CN 208444630U
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Abstract
The utility model discloses a kind of heat-proof combustion-resistant crosslinking polyolefin insulated cables, belong to field of cable technology.A kind of heat-proof combustion-resistant crosslinking polyolefin insulated cable includes cable core, insulating layer is successively coated with outside cable core, flame-retardant layer, refractory layer, shielded layer, protective layer, cable core includes conductor support, conductor support includes the first annular barrel and multiple ring bodies along the distribution of the first annular barrel length direction extended along the length direction of leader cable conductor, multiple ring bodies are sheathed on the outside of the first annular barrel, four spaces are separated by four frame plates between ring body and the first annular barrel, the second annular barrel is equipped in each space, leader cable conductor is equipped in first annular barrel, auxiliary cable conductor is equipped in each second annular barrel, the outside of leader cable conductor, wrap up elasticity layer in the outside of each auxiliary cable conductor, a kind of heat-proof combustion-resistant crosslinking polyolefin insulated cable disclosed by the utility model, improve cable Shock resistance and tensile property.
Description
Technical field
The utility model relates to field of cable technology, and in particular to a kind of heat-proof combustion-resistant crosslinking polyolefin insulated cable.
Background technique
Cable is usually the cable for having several or at least two similar ropes being twisted of several groups of every group of conducting wires, and every group is led
Mutually insulated between line, and be often twisted into around a center, entire outside is surrounded by the coating of high-insulation, the kind rule of cable
Lattice are various, have wide range of applications.Existing cable external force resistance is poor, when there is external force collision or pull can be regular disconnected
It splits, whole service life is caused to substantially reduce.
Utility model content
In order to overcome the drawbacks of the prior art, the technical problem to be solved by the utility model is to propose a kind of resistance to thermal resistance
Crosslinking polyolefin insulated cable is fired, the shock resistance and tensile property of cable are improved.
For this purpose, the utility model uses following technical scheme:
The utility model provides a kind of heat-proof combustion-resistant crosslinking polyolefin insulated cable and includes cable core, is wrapped in the electricity
Insulating layer outside cable core, the flame-retardant layer being wrapped in outside the insulating layer, the refractory layer being wrapped in outside the flame-retardant layer, packet
The protective layer for being rolled in the shielded layer outside the refractory layer, being wrapped in outside the shielded layer；The cable core includes a master
Cable conductor, six auxiliary cable conductors, the conductor support for being used to support the leader cable conductor and each auxiliary cable conductor, institute
Stating conductor support includes the first annular barrel and multiple along described first extended along the length direction of the leader cable conductor
The ring body of annular barrel length direction distribution, multiple ring bodies are sheathed on the outside of first annular barrel, the ring body
Central axis be overlapped with the central axis of first annular barrel, the inner wall of the ring body and first annular barrel
It is connected between outer wall by multiple frame plates, circumferentially equidistantly distributed, the ring body are cyclic annular with described first for multiple frame plates
Four spaces are separated by four frame plates between cylinder, one second cyclic annular cylinder is equipped in each space
Body, the outer wall of second annular barrel is simultaneously with the inner wall of the ring body, the outer wall of first annular barrel, positioned at described
The side wall of the frame plate of second annular barrel two sides is tangent, and the leader cable conductor is equipped in first annular barrel,
Be equipped with the auxiliary cable conductor in each second annular barrel, the leader cable conductor it is external, each described
Wrap up elasticity layer, the inner wall of the ring body, the outer wall of first annular barrel, described second in the outside of auxiliary cable conductor
Gap filling between the outer wall of annular barrel has fire proofing.
In the preferable embodiment of the utility model, the lateral wall close to the insulating layer of the ring body is convexly equipped with
Multiple first convex blocks, the insulating layer are recessed with multiple first grooves close to one inner sidewall of ring body, first groove with
The shape of first convex block is adapted, and first groove is identical as first number of slugs, and is corresponded.
In the preferable embodiment of the utility model, the length direction in the insulating layer along the leader cable conductor prolongs
Stretching has multiple cordage, and multiple cordage are uniformly distributed around the inner sidewall of the insulating layer.
In the preferable embodiment of the utility model, the refractory layer is convexly equipped with close to an inner sidewall of the flame-retardant layer
Multiple second convex blocks, the flame-retardant layer are recessed with multiple second grooves, second groove close to one lateral wall of refractory layer
It is adapted with the shape of second convex block, second groove is identical as the quantity of second convex block, and corresponds.
In the preferable embodiment of the utility model, the flame-retardant layer is convexly equipped with more close to one inner sidewall of insulating layer
A third convex block, the insulating layer are recessed with multiple third grooves, the third groove close to a lateral wall of the flame-retardant layer
It is adapted with the shape of the third convex block, the third groove is identical as the quantity of the third convex block, and corresponds.
The utility model has the following beneficial effects:
A kind of heat-proof combustion-resistant crosslinking polyolefin insulated cable provided by the utility model, by the leader cable conductor, each institute
It states auxiliary cable conductor to be arranged in the conductor support, the leader cable conductor and the auxiliary cable conductor is effectively protected
Shield, prevents cable by there is phenomenon of rupture under external force, effectively improves the service life of cable.Be arranged the refractory layer,
The flame-retardant layer makes cable have good heat-proof combustion-resistant effect, be arranged the shielded layer shield external electromagnetic field signal it is dry
It disturbs, reduces the signal transmission attenuation inside cable.
Detailed description of the invention
Fig. 1 is a kind of structural representation of the heat-proof combustion-resistant crosslinking polyolefin insulated cable provided in the utility model embodiment
Figure.
In figure: 100, cable core；110, leader cable conductor；120, auxiliary cable conductor；121, elastic layer；130, conductor branch
Frame；131, ring body；132, the first annular barrel；133, frame plate；134, the second annular barrel；135, the first convex block；210, it insulate
Layer；211, the first groove；212, cordage；213, third groove；220, flame-retardant layer；221, the second groove；230, refractory layer；
231, the second convex block；240, shielded layer；250, protective layer.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, a kind of heat-proof combustion-resistant crosslinking polyolefin insulated cable includes cable core 100, is wrapped in the cable
Insulating layer 210 outside core 100, is wrapped in outside the flame-retardant layer 220 flame-retardant layer 220 being wrapped in outside the insulating layer 210
The refractory layer 230 in portion, the shielded layer 240 being wrapped in outside the refractory layer 230, the guarantor being wrapped in outside the shielded layer 240
Sheath 250.
The cable core 100 includes 110, six auxiliary cable conductors 120 of a leader cable conductor, is used to support the main electricity
The conductor support 130 of cable conductor 110 and each auxiliary cable conductor 120, the conductor support 130 includes leading along the leader cable
It the first annular barrel 132 that the length direction of body 110 extends and multiple is distributed along 132 length direction of the first annular barrel
Ring body 131, multiple ring bodies 131 are sheathed on the outside of first annular barrel 132, the central axis of the ring body 131
Line is overlapped with the central axis of first annular barrel 132, the inner wall of the ring body 131 and first annular barrel 132
Outer wall between connected by multiple frame plates 133, multiple frame plates 133 circumferentially equidistantly distributed, the ring body 131 and institute
It states and is separated into four spaces by four frame plates 133 between the first annular barrel 132, be equipped in each space
One the second annular barrel 134, the outer wall of second annular barrel 134 simultaneously with the inner wall of the ring body 131, described first
The outer wall of annular barrel 132, positioned at the frame plate 133 of 134 two sides of the second annular barrel side wall it is tangent, described
It is equipped with the leader cable conductor 110 in one annular barrel 132, is equipped with one in each second annular barrel 134
The outside of the auxiliary cable conductor 120, external, each auxiliary cable conductor 120 of the leader cable conductor 110 is enclosed with bullet
Property layer 121, the ring body 131 and the frame plate 133 to first annular barrel 132, second annular barrel 134 into
Row stablizes support, keeps the overall structural strength of the conductor support 130 high.
The inner wall of the ring body 131, the outer wall of first annular barrel 132, second annular barrel 134 it is outer
Gap between wall is filled with fire proofing, and the external of the insulating layer 210 coats the flame-retardant layer 220, the flame-retardant layer
The 220 external package refractory layer 230, makes cable have good fire-retardant and heat resistance.
Above-mentioned a kind of heat-proof combustion-resistant crosslinking polyolefin insulated cable, by the leader cable conductor 110, each auxiliary cable
Conductor 120 is arranged in the conductor support 130, carries out effectively to the leader cable conductor 110 and the auxiliary cable conductor 120
Protection, prevent cable by there is phenomenon of rupture under external force, effectively improve the service life of cable.It is arranged described heat-resisting
Layer 230, it is described fire-retardant 220 layers make cable have good heat-proof combustion-resistant effect, the shielded layer 240 is set and shields external electrical
The signal interference in magnetic field reduces the signal transmission attenuation inside cable.
Further, the lateral wall close to the insulating layer 210 of the ring body 131 is convexly equipped with multiple first convex blocks
135, multiple first convex blocks 135 circumferentially equidistantly distributed, the insulating layer 210 is close to 131 1 inner sidewall of ring body
Multiple first grooves 211 are recessed with, first groove 211 is adapted with the shape of first convex block 135, and described first is recessed
Slot 211 is identical as 135 quantity of the first convex block, and corresponds；By 131 first convex block 135 of the ring body with it is described absolutely
First groove 211 of edge layer 210 is clasped, and keeps the two connection closer, secured, improves bonding strength.
Further, the length direction in the insulating layer 210 along the leader cable conductor 110 is extended with multiple cordage
212, multiple cordage 212 are uniformly distributed around the inner sidewall of the insulating layer 210；The cordage 212 is by carbon fiber
It is made with acrylic rubber material, increases the tensile strength of cable inner, it, can be effective in the wiring and take-up of cable
It reduces to pull and cable bring is damaged.
Further, the refractory layer 230 is convexly equipped with multiple second convex blocks close to an inner sidewall of the flame-retardant layer 220
231, the flame-retardant layer 220 is recessed with multiple second grooves 221, second groove close to 230 1 lateral wall of refractory layer
221 are adapted with the shape of second convex block 231, and second groove 221 is identical as the quantity of second convex block 231,
And it corresponds；Matched by the second convex block 231 of the refractory layer 210 and the second groove 221 buckle of the flame-retardant layer 220
It closes, improves the flame-retardant layer 220, the fastness that the refractory layer 230 connects.
Further, the flame-retardant layer 220 is convexly equipped with multiple third convex blocks 222 close to 210 1 inner sidewall of insulating layer,
The insulating layer 210 is recessed with multiple third grooves 213, the third groove close to a lateral wall of the flame-retardant layer 220
213 are adapted with the shape of the third convex block 222, and the third groove 213 is identical as the quantity of the third convex block 222,
And it corresponds；Matched by the third convex block 222 of the flame-retardant layer 220 and the buckle of third groove 213 of the insulating layer 210
It closes, improves the flame-retardant layer 220, the fastness that the insulating layer 210 connects.
The utility model is described with reference to the preferred embodiments, and those skilled in the art know, is not departing from this reality
In the case where with novel spirit and scope, various changes or equivalence replacement can be carried out to these features and embodiment.This reality
It is not limited to the particular embodiment disclosed with novel, other embodiments fallen into claims hereof all belong to
In the range of the utility model protection.
Claims (5)
1. a kind of heat-proof combustion-resistant crosslinking polyolefin insulated cable, it is characterised in that: including cable core (100), be wrapped in the electricity
The external insulating layer (210) of cable core (100), be wrapped in the external flame-retardant layer (220) of the insulating layer (210), be wrapped in it is described
The external refractory layer (230) of flame-retardant layer (220) is wrapped in the external shielded layer (240) of the refractory layer (230), is wrapped in institute
State the external protective layer (250) of shielded layer (240)；
The cable core (100) includes a leader cable conductor (110), six auxiliary cable conductors (120), is used to support the master
The conductor support (130) of cable conductor (110) and each auxiliary cable conductor (120), the conductor support (130) includes along institute
State the first annular barrel (132) and multiple along first annular barrel that the length direction of leader cable conductor (110) extends
(132) ring body (131) of length direction distribution, multiple ring bodies (131) are sheathed on the outer of first annular barrel (132)
Portion, the central axis of the ring body (131) are overlapped with the central axis of first annular barrel (132), the ring body (131)
Inner wall and the outer wall of first annular barrel (132) between connect by multiple frame plates (133), multiple frame plates
(133) circumferentially equidistantly distributed passes through four framves between the ring body (131) and first annular barrel (132)
Plate (133) is separated into four spaces, and second annular barrel (134), second ring are equipped in each space
The outer wall of shape cylinder (134) is simultaneously with the inner wall of the ring body (131), the outer wall of first annular barrel (132), positioned at institute
The side wall for stating the frame plate (133) of the second annular barrel (134) two sides is tangent, wears in first annular barrel (132)
There is the leader cable conductor (110), is equipped with the auxiliary cable conductor in each second annular barrel (134)
(120), elasticity layer is wrapped up in the outside of external, each auxiliary cable conductor (120) of the leader cable conductor (110)
(121), the inner wall of the ring body (131), the outer wall of first annular barrel (132), second annular barrel (134)
Gap between outer wall is filled with fire proofing.
2. a kind of heat-proof combustion-resistant crosslinking polyolefin insulated cable according to claim 1, it is characterised in that: the ring body
(131) the lateral wall close to the insulating layer (210) is convexly equipped with multiple first convex blocks (135), multiple first convex blocks
(135) circumferentially equidistantly distributed, the insulating layer (210) are recessed with multiple first close to (131) one inner sidewall of ring body
Groove (211), first groove (211) are adapted with the shape of first convex block (135), first groove (211)
It is identical as the first convex block (135) quantity, and correspond.
3. a kind of heat-proof combustion-resistant crosslinking polyolefin insulated cable according to claim 1, it is characterised in that: the insulating layer
(210) length direction in along the leader cable conductor (110) is extended with multiple cordage (212), multiple cordage
(212) inner sidewall around the insulating layer (210) is uniformly distributed.
4. a kind of heat-proof combustion-resistant crosslinking polyolefin insulated cable according to claim 1, it is characterised in that: the refractory layer
(230) inner sidewall close to the flame-retardant layer (220) is convexly equipped with multiple second convex blocks (231), and the flame-retardant layer (220) is close
(230) one lateral wall of refractory layer is recessed with multiple second grooves (221), second groove (221) and described second convex
The shape of block (231) is adapted, and second groove (221) is identical as the quantity of second convex block (231), and one is a pair of
It answers.
5. a kind of heat-proof combustion-resistant crosslinking polyolefin insulated cable according to claim 1, it is characterised in that: the flame-retardant layer
(220) multiple third convex blocks (222) are convexly equipped with close to (210) one inner sidewall of insulating layer, the insulating layer (210) is close to institute
The lateral wall for stating flame-retardant layer (220) is recessed with multiple third grooves (213), and the third groove (213) and the third are convex
The shape of block (222) is adapted, and the third groove (213) is identical as the quantity of the third convex block (222), and one is a pair of
It answers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820995619.4U CN208444630U (en) | 2018-06-26 | 2018-06-26 | A kind of heat-proof combustion-resistant crosslinking polyolefin insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820995619.4U CN208444630U (en) | 2018-06-26 | 2018-06-26 | A kind of heat-proof combustion-resistant crosslinking polyolefin insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208444630U true CN208444630U (en) | 2019-01-29 |
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ID=65090707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820995619.4U Active CN208444630U (en) | 2018-06-26 | 2018-06-26 | A kind of heat-proof combustion-resistant crosslinking polyolefin insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208444630U (en) |
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2018
- 2018-06-26 CN CN201820995619.4U patent/CN208444630U/en active Active
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