CN213635415U - Single-core hard conductor unsheathed cable - Google Patents
Single-core hard conductor unsheathed cable Download PDFInfo
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- CN213635415U CN213635415U CN202023057142.1U CN202023057142U CN213635415U CN 213635415 U CN213635415 U CN 213635415U CN 202023057142 U CN202023057142 U CN 202023057142U CN 213635415 U CN213635415 U CN 213635415U
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Abstract
The utility model provides a single core hard conductor does not have sheath cable, including single core hard conductor line, single core hard conductor line outer wall parcel has the outer structure layer, the outer structure layer is equipped with the insulating layer by interior outside to in proper order, the barrier layer, toughness enhancement layer and resistance to compression wearing layer, the insulating layer, the barrier layer, toughness enhancement layer and resistance to compression wearing layer cup joint in proper order, ring resistance interlayer outer wall a week partition is equipped with the first location sand grip of several, ring toughness enhancement layer inner wall a week partition is equipped with the first location recess of several, ring toughness enhancement layer outer wall a week partition is equipped with several second location recess, ring resistance to compression wearing layer inner wall a week partition is equipped with several second location sand grip, a plurality of first location sand grips pair one by one with a plurality of first location recesses and are the gomphosis and are connected, a plurality of second location sand grips pair one by one and are the go. The utility model discloses an intraformational rotation restriction structure of outer structure avoids appearing leading to the problem of clearance constantly increasing because of the spin friction, has prolonged cable life.
Description
Technical Field
The utility model mainly relates to the technical field of cables, specifically a single core hard conductor does not have sheath cable.
Background
BV is a single core hard conductor unsheathed cable of general purpose, the single core hard conductor unsheathed cable is generally made of single core hard conductor cable and PVC/C type polyvinyl chloride mixture insulating material, BV cable conductor has extensive application in the field of industrial power distribution, can be used for daily electric appliances, instruments, instrument telecommunication equipment, power line fixed laying cable (electric wire) with rated voltage of 450/750V and below;
for example, patent publication No. CN209641378U provides a single core hard conductor does not have sheath cable, including single core hard conductor cable, the outer wall of single core hard conductor cable wraps up PVC C type polyvinyl chloride insulating layer, epoxy anti-corrosion coating, isolation layer and outer packaging layer in proper order, and the inboard of outer packaging layer is provided with the protection steel wire. And claim 2 in the patent document also mentions "the single core hard conductor cable 1, the PVC/C type polyvinyl chloride insulating layer 2, the epoxy anticorrosive coating 3, the isolation layer 4 and the outer packaging layer 5 are closely attached at both sides of each layer, and the single core hard conductor cable 1, the PVC/C type polyvinyl chloride insulating layer 2, the epoxy anticorrosive coating 3, the isolation layer 4 and the outer packaging layer 5 are movably sleeved with each other".
In foretell single core hard conductor does not have sheath cable, every material layer all is the cup joint relation of activity, and epoxy anticorrosive coating is also the activity even, and this mode has increased the holistic clearance of cable, and when the cable was laid the construction, it can spin friction to receive external force to influence between every material layer, can't fix a position the restriction to further lead to the clearance increase, influence cable life.
SUMMERY OF THE UTILITY MODEL
The utility model mainly provides a single core hard conductor does not have sheath cable for solve the technical problem who proposes among the above-mentioned background art.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
a single-core hard conductor unsheathed cable comprises a single-core hard conductor wire, wherein an outer structure layer wraps the outer wall of the single-core hard conductor wire, the outer structure layer is sequentially provided with an insulating layer, a blocking layer, a toughness reinforcing layer and a compression-resistant wear-resistant layer from inside to outside, and the insulating layer, the blocking layer, the toughness reinforcing layer and the compression-resistant wear-resistant layer are sequentially sleeved;
a plurality of first positioning convex strips are arranged around the outer wall of the blocking layer in an equally-divided manner;
a plurality of first positioning grooves are formed in the inner wall of the toughness reinforcing layer in an equally-divided mode around the circumference;
a plurality of second positioning grooves are formed in the periphery of the outer wall of the toughness reinforcing layer in an equal manner;
a plurality of second positioning convex strips are arranged on the periphery of the inner wall of the compression-resistant wear-resistant layer in an equally-divided manner;
first location sand grip, second location sand grip, first positioning groove and second positioning groove quantity equal, and are a plurality of first location sand grip pairs one by one with a plurality of first positioning groove and is the gomphosis and is connected, and is a plurality of second location sand grip pairs one by one with a plurality of second positioning groove and is the gomphosis and is connected.
Furthermore, the number of the first positioning convex strips, the second positioning convex strips, the first positioning grooves and the second positioning grooves is more than or equal to 3.
Furthermore, be equipped with the sealed coating of gluing of epoxy between insulating layer outer wall and the barrier layer inner wall, just insulating layer and barrier layer pass through the sealed coating of gluing of epoxy is connected.
Further, barrier layer outer wall and toughness enhancement layer inner wall sliding connection, resistance to compression wearing layer inner wall and toughness enhancement layer outer wall sliding connection, just the toughness enhancement layer is carbon-fibre composite layer.
Furthermore, the outer wall of the compression-resistant wear-resistant layer is smooth, and a compression-resistant interlayer is arranged inside the compression-resistant wear-resistant layer.
Among the above-mentioned technical scheme, the insulating layer adopts PVC/C type polyvinyl chloride material, silicon rubber material all can, and the barrier layer adopts ceramic fiber material, and the resistance to compression wearing layer adopts wear-resisting rubber material, and the inside resistance to compression intermediate layer of resistance to compression wearing layer adopts metal composite material tablet, and thickness is no longer than 1 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model effectively protects the outer wall of the single-core hard conductor by wrapping the outer structure layer, only the toughness reinforcing layer, the blocking layer and the compression-resistant wear-resistant layer are movably connected among the outer structure layer consisting of the insulating layer, the blocking layer, the toughness reinforcing layer and the compression-resistant wear-resistant layer, and the rotation limitation is carried out by the way that the plurality of first positioning convex strips are matched with the first positioning grooves one by one in an embedded connection way and the plurality of second positioning convex strips are matched with the second positioning grooves one by one in an embedded connection way, thereby avoiding the problem that the clearance is continuously increased due to the rotation friction, meanwhile, the multi-layer outer wrapping structure design of different materials not only improves the heat resistance and cold resistance of the whole cable, but also better improves the strength of the cable, has excellent pressure resistance and wear resistance, the cable is not easy to damage during laying construction, and the service life of the cable is prolonged.
The present invention will be explained in detail with reference to the drawings and specific embodiments.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an overall front view cross-sectional view of the present invention;
FIG. 3 is an enlarged view of area A in FIG. 2;
fig. 4 is a schematic structural view of the toughness-enhancing layer of the present invention.
In the figure: 1. a single core hard conductor wire; 2. an outer structural layer; 21. an insulating layer; 22. a barrier layer; 221. a first positioning convex strip; 23. a toughness reinforcing layer; 231. a first positioning groove; 232. a second positioning groove; 24. a compression-resistant wear-resistant layer; 241. a second positioning convex strip; 242. and a compression-resistant interlayer.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The embodiment refers to fig. 1-4, a single core hard conductor unsheathed cable comprises a single core hard conductor 1, an outer structure layer 2 wraps the outer wall of the single core hard conductor 1, the outer structure layer 2 is sequentially provided with an insulating layer 21, a barrier layer 22, a toughness reinforcing layer 23 and a compression resistant wear-resistant layer 24 from inside to outside, the insulating layer 21, the barrier layer 22, the toughness reinforcing layer 23 and the compression resistant wear-resistant layer 24 are sequentially sleeved, a plurality of first positioning convex strips 221 are arranged around the outer wall of the barrier layer 22 in an equally-divided manner, a plurality of first positioning grooves 231 are arranged around the inner wall of the toughness reinforcing layer 23 in an equally-divided manner, a plurality of second positioning concave grooves 232 are arranged around the outer wall of the toughness reinforcing layer 23 in an equally-divided manner, a plurality of second positioning convex strips 241 are arranged around the inner wall of the compression resistant wear-resistant layer 24 in an equally-divided manner, the number of the first positioning convex strips, the number of the first positioning convex strips 221, the second positioning convex strips 241, the first positioning grooves 231 and the second positioning grooves 232 is more than or equal to 3, so that at least three or more positioning points are arranged among the barrier layer 22, the toughness reinforcing layer 23 and the compression-resistant wear-resistant layer 24, the positioning limiting effect is enhanced, the barrier layer 22, the toughness reinforcing layer 23 and the compression-resistant wear-resistant layer 24, the rotation friction caused by external force is prevented easily, the first positioning convex strips 221 are matched with the first positioning grooves 231 one by one and are in embedded connection, the second positioning convex strips 241 are matched with the second positioning grooves 232 one by one and are in embedded connection, the outer wall of the barrier layer 22 is in sliding connection with the inner wall of the toughness reinforcing layer 23, the inner wall of the compression-resistant wear-resistant layer 24 is in sliding connection with the outer wall of the toughness reinforcing layer 23, the toughness reinforcing layer 23 is a carbon fiber composite, and the material is not easy to break and damage, so that the service life of the cable is further prolonged, and in the implementation, when the compression-resistant wear-resistant layer 24 or the toughness reinforcing layer 23 is damaged under the irresistible condition, the compression-resistant wear-resistant layer or the toughness reinforcing layer can be taken down in a sliding sleeve manner for replacement, so that the single-core hard conductor wire 1 wrapping the insulating layer 21 and the barrier layer 22 can be reused, and the maintenance cost is reduced.
Specifically, please refer to fig. 2, be equipped with the sealed coating of glue of epoxy between insulating layer 21 outer wall and the barrier layer 22 inner wall, just insulating layer 21 passes through with barrier layer 22 the sealed coating of glue of epoxy is adhesive bonding and connects, and the sealed coating of glue of epoxy has better corrosion-resistant and high temperature resistant effect, and sealed effect is outstanding, can be better for insulating layer 21 and barrier layer 22 provide stable connection, strengthen the protection to single core hard conductor line 1.
Specifically, referring to fig. 1 and 3, the outer wall of the pressure-resistant and wear-resistant layer 24 is smooth, and the pressure-resistant interlayer 242 is disposed inside the pressure-resistant and wear-resistant layer 24, and the pressure-resistant interlayer 242 provides a more excellent strength support for the pressure-resistant and wear-resistant layer 24 as a whole, and particularly protects the multiple material layers inside the pressure-resistant and wear-resistant layer 24 to a certain extent in the case of collision of an external sharp metal object.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.
Claims (5)
1. The utility model provides a single core hard conductor does not have sheath cable, includes single core hard conductor line (1), its characterized in that, single core hard conductor line (1) outer wall parcel has outer structural layer (2), outer structural layer (2) is equipped with insulating layer (21), barrier layer (22), toughness enhancement layer (23) and resistance to compression wearing layer (24) by inside to outside in proper order, insulating layer (21), barrier layer (22), toughness enhancement layer (23) and resistance to compression wearing layer (24) cup joint in proper order;
a plurality of first positioning convex strips (221) are equally arranged around the outer wall of the barrier layer (22);
a plurality of first positioning grooves (231) are arranged on the inner wall of the toughness reinforcing layer (23) in a circle in an equal dividing way;
a plurality of second positioning grooves (232) are formed in the outer wall of the toughness reinforcing layer (23) in an equal distribution mode around the circumference;
a plurality of second positioning convex strips (241) are equally arranged on the inner wall of the compression-resistant wear-resistant layer (24) in a circle;
first location sand grip (221), second location sand grip (241), first positioning groove (231) and second positioning groove (232) quantity equals, and is a plurality of first location sand grip (221) pairs one by one with a plurality of first positioning groove (231) and is the gomphosis and is connected, and is a plurality of second location sand grip (241) pairs one by one with a plurality of second positioning groove (232) and is the gomphosis and is connected.
2. The single-core hard conductor unsheathed cable according to claim 1, wherein the number of the first positioning convex strip (221), the second positioning convex strip (241), the first positioning groove (231) and the second positioning groove (232) is more than or equal to 3.
3. The single-core hard conductor unsheathed cable according to claim 1, wherein an epoxy sealant coating is arranged between the outer wall of the insulating layer (21) and the inner wall of the barrier layer (22), and the insulating layer (21) and the barrier layer (22) are connected in an adhesive manner through the epoxy sealant coating.
4. The single-core hard conductor unsheathed cable according to claim 1, wherein the outer wall of the barrier layer (22) is in sliding connection with the inner wall of the toughness reinforcing layer (23), the inner wall of the pressure-resistant wear-resistant layer (24) is in sliding connection with the outer wall of the toughness reinforcing layer (23), and the toughness reinforcing layer (23) is a carbon fiber composite material layer.
5. The single-core hard-conductor unsheathed cable according to claim 1, wherein the outer wall of the pressure-resistant wear-resistant layer (24) is smooth, and a pressure-resistant interlayer (242) is arranged inside the pressure-resistant wear-resistant layer (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023057142.1U CN213635415U (en) | 2020-12-17 | 2020-12-17 | Single-core hard conductor unsheathed cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023057142.1U CN213635415U (en) | 2020-12-17 | 2020-12-17 | Single-core hard conductor unsheathed cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213635415U true CN213635415U (en) | 2021-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023057142.1U Active CN213635415U (en) | 2020-12-17 | 2020-12-17 | Single-core hard conductor unsheathed cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213635415U (en) |
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- 2020-12-17 CN CN202023057142.1U patent/CN213635415U/en active Active
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