CN112466527A - Copper-core polyvinyl chloride insulating single-core wire and preparation method thereof - Google Patents
Copper-core polyvinyl chloride insulating single-core wire and preparation method thereof Download PDFInfo
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- CN112466527A CN112466527A CN202011294570.8A CN202011294570A CN112466527A CN 112466527 A CN112466527 A CN 112466527A CN 202011294570 A CN202011294570 A CN 202011294570A CN 112466527 A CN112466527 A CN 112466527A
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- core
- shielding
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- strips
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
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- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a copper core polyvinyl chloride insulation single-core wire and a preparation method thereof, and particularly relates to the technical field of cables. The production process is simple, the requirement on equipment is low, the labor difficulty is low, all structural components can be well attached and assembled, the production efficiency is improved, and the economic efficiency is improved.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a copper core polyvinyl chloride insulated single-core wire and a preparation method thereof.
Background
The electric wire is a conducting wire for transmitting electric energy, and is divided into a bare wire, an electromagnetic wire and an insulating wire, wherein the bare wire has no insulating layer and comprises a copper flat wire, an aluminum flat wire, an overhead stranded wire and various sectional materials. 1. When the existing electric wire is used, the existing electric wire does not have a good isolation effect, so that the transmission efficiency can be reduced when strong external electrical interference is encountered. 2. The existing electric wire is not provided with excessive protection outside, so that the electric wire can be seriously abraded in long-term use, and the service life of the electric wire is shortened.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an insulating single core electric wire of copper core polyvinyl chloride, includes single core copper conductor and wraps up in the outside shielding layer of single core copper conductor, the shielding layer outside is provided with a plurality of card strips, and is a plurality of the inboard laminating of card strip is on the outer wall of shielding layer to and both sides are laminated each other, and are a plurality of the outside of card strip is provided with a plurality of shielding strips, and is a plurality of the outside parcel of shielding strip has the armor, the armor outside is including polyvinyl chloride skin.
In a preferred embodiment, the clamping strip and the shielding strip are integrally formed, the shielding strip is made of a plurality of strands of copper wire braided and twisted, and the outside of the shielding strip is wrapped with an insulating layer.
In a preferred embodiment, two side walls of the clamping strips are serrated, and the side walls between two adjacent clamping strips are meshed with each other.
In a preferred embodiment, the section of the clamping strip is in a sector ring shape, the clamping strip is made of a rubber material, and the center point of the section of the clamping strip coincides with the center point of the section of the single-core copper conductor.
In a preferred embodiment, the shielding strips are arranged in a cylindrical shape, the diameter of each shielding strip is 0.3cm, and a gap is reserved between every two adjacent shielding strips and is smaller than 0.5 mm.
A preparation method of a copper-core polyvinyl chloride insulated single-core wire comprises the following steps:
s1, drawing the single-core copper conductor, forcibly passing the single-core copper conductor through a die to compress and stretch under the action of external force, compressing the cross section of the single-core copper conductor to obtain the single-core copper conductor with proper length and cross section, and wrapping a shielding layer outside the single-core copper conductor;
s2, pressing the plurality of clamping strips on the outer part of the shielding layer, extruding the clamping strips to bond the clamping strips by using an adhesive, and meshing the side walls of two adjacent clamping strips together;
s3, sheathing an outer polyvinyl chloride layer containing an armor layer outside a clamping strip, sequentially inserting a plurality of woven shielding strips into a gap between the armor layer and the clamping strip, adjusting the clamping strip and a single-core copper conductor part inside the clamping strip to enable the clamping strip to be located in the middle of the whole cross section, extruding the clamping strip and the armor layer which are located on the inner side of the clamping strip in the process of inserting the shielding strips, supporting the armor layer and the clamping strip, and keeping the whole single-core wire as a whole, thereby preparing a finished copper-core polyvinyl chloride insulated single-core wire.
The invention has the technical effects and advantages that:
1. the mutually attached clamping strips are attached to the outer part of the shielding layer, so that abrasion in the using process can be reduced, the clamping strips are convenient to assemble in a mutual engagement mode, and the phenomena of displacement, dislocation and the like cannot occur in the electric wire when the whole machine is twisted in the using process after the assembly;
2. in the whole preparation process, the process is simple, the requirement on equipment is low, the difficulty of the upper part of a hand is low, the structural components can be well attached and assembled, the production efficiency is improved, and the economic efficiency is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
The reference signs are: 1 single core copper conductor, 2 shielding layers, 3 clamping strips, 4 shielding strips, 5 armor layers, 6 polyvinyl chloride outer layers, 7 copper wires and 8 insulating layers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The copper core polyvinyl chloride insulation single-core electric wire shown in fig. 1 comprises a single-core copper conductor 1 and a shielding layer 2 wrapped outside the single-core copper conductor 1, wherein a plurality of clamping strips 3 are arranged outside the shielding layer 2, the inner sides of the clamping strips 3 are attached to the outer wall of the shielding layer 2, the two sides of the clamping strips are attached to each other, a plurality of shielding strips 4 are arranged outside the clamping strips 3, an armor layer 5 is wrapped outside the shielding strips 4, a polyvinyl chloride outer layer 6 is arranged outside the armor layer 5, and the clamping strips 3 attached to each other are attached to the outside of the shielding layer 2, so that abrasion in the using process can be reduced;
the clamping strip 3 and the shielding strip 4 are integrally formed, the shielding strip 4 is formed by weaving and twisting a plurality of strands of copper wires 7, the insulating layer 8 is wrapped outside the shielding strip 4, the copper wires 7 wrapped by the insulating layer 8 are independently arranged outside the shielding layer 2 for secondary shielding, the insulating effect of the device can be improved, and the transmission efficiency cannot be reduced when strong external electrical interference occurs;
the two side walls of the clamping strips 3 are zigzag, the side walls between two adjacent clamping strips 3 are meshed with each other, the clamping strips 3 are assembled conveniently in a mutual meshing mode, and the phenomena of displacement, dislocation and the like cannot occur in the electric wire when the whole machine is twisted in the use process after the assembly;
the section of the clamping strip 3 is in a fan-shaped ring shape, the clamping strip 3 is made of rubber materials, the center point of the section of the clamping strip 3 is overlapped with the center point of the section of the single-core copper conductor 1, the rubber materials are elastic, assembly of the clamping strip 3 in the production process is facilitated, and laying difficulty can be reduced during laying;
the shielding strips 4 are cylindrical, the diameter of each shielding strip is 0.3cm, a gap is reserved between every two adjacent shielding strips 4 and is smaller than 0.5mm, the reasonable size and the reasonable distance are kept, and the shielding effect is improved;
a preparation method of a copper-core polyvinyl chloride insulated single-core wire comprises the following steps:
s1, drawing the single-core copper conductor 1, forcibly compressing and stretching the single-core copper conductor 1 through a die under the action of external force, compressing the cross section of the single-core copper conductor 1 to obtain the single-core copper conductor 1 with proper length and cross section, and wrapping a shielding layer 2 outside the single-core copper conductor 1;
s2, pressing the plurality of clamping strips 3 outside the shielding layer 2, extruding the clamping strips 3 to bond the clamping strips by using an adhesive, and engaging the side walls of two adjacent clamping strips 3 together;
s3, the polyvinyl chloride outer layer 6 containing the armor 5 is sleeved outside the clamping strip 3, the plurality of woven shielding strips 4 are sequentially inserted into gaps between the armor 5 and the clamping strip 3, the clamping strip 3 and the single-core copper conductor 1 part inside the clamping strip 3 are adjusted to be located in the middle of the whole section, the clamping strip 3 and the armor 5 which are located on the inner side of the clamping strip are extruded in the process of inserting the shielding strips 4, the armor 5 and the clamping strip 3 are supported, the whole single-core electric wire is kept to be a whole, and therefore a copper core polyvinyl chloride insulated single-core electric wire finished product is manufactured.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (6)
1. The utility model provides an insulating single core electric wire of copper core polyvinyl chloride which characterized in that: including single core copper conductor and wrap up in the outside shielding layer of single core copper conductor, the shielding layer outside is provided with a plurality of card strips, and is a plurality of the inboard laminating of card strip is on the outer wall of shielding layer to and both sides laminate each other, and are a plurality of the outside of card strip is provided with a plurality of shielding strips, and is a plurality of the outside parcel of shielding strip has the armor, the armor outside is outer including polyvinyl chloride.
2. The copper core polyvinyl chloride insulated single core wire of claim 1, wherein: the clamping strip and the shielding strip are integrally formed, the shielding strip is made by weaving and twisting a plurality of strands of copper wires, and the outside of the shielding strip is wrapped with an insulating layer.
3. The copper core polyvinyl chloride insulated single core wire of claim 1, wherein: the two side walls of the clamping strips are in a sawtooth shape, and the side walls between two adjacent clamping strips are meshed with each other.
4. The copper core polyvinyl chloride insulated single core wire of claim 1, wherein: the section of the clamping strip is in a fan-ring shape, the clamping strip is made of rubber materials, and the center point of the section of the clamping strip coincides with the center point of the section of the single-core copper conductor.
5. The copper core polyvinyl chloride insulated single core wire of claim 1, wherein: the shielding strips are cylindrical, the diameter of each shielding strip is 0.3cm, and a gap is reserved between every two adjacent shielding strips and is smaller than 0.5 mm.
6. The method for preparing the copper core polyvinyl chloride insulated single core wire according to any one of claims 1 to 5, characterized by comprising the following steps:
s1, drawing the single-core copper conductor, forcibly passing the single-core copper conductor through a die to compress and stretch under the action of external force, compressing the cross section of the single-core copper conductor to obtain the single-core copper conductor with proper length and cross section, and wrapping a shielding layer outside the single-core copper conductor;
s2, pressing the plurality of clamping strips on the outer part of the shielding layer, extruding the clamping strips to bond the clamping strips by using an adhesive, and meshing the side walls of two adjacent clamping strips together;
s3, sheathing an outer polyvinyl chloride layer containing an armor layer outside a clamping strip, sequentially inserting a plurality of woven shielding strips into a gap between the armor layer and the clamping strip, adjusting the clamping strip and a single-core copper conductor part inside the clamping strip to enable the clamping strip to be located in the middle of the whole cross section, extruding the clamping strip and the armor layer which are located on the inner side of the clamping strip in the process of inserting the shielding strips, supporting the armor layer and the clamping strip, and keeping the whole single-core wire as a whole, thereby preparing a finished copper-core polyvinyl chloride insulated single-core wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011294570.8A CN112466527A (en) | 2020-11-18 | 2020-11-18 | Copper-core polyvinyl chloride insulating single-core wire and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011294570.8A CN112466527A (en) | 2020-11-18 | 2020-11-18 | Copper-core polyvinyl chloride insulating single-core wire and preparation method thereof |
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| CN112466527A true CN112466527A (en) | 2021-03-09 |
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| CN202011294570.8A Pending CN112466527A (en) | 2020-11-18 | 2020-11-18 | Copper-core polyvinyl chloride insulating single-core wire and preparation method thereof |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101661812A (en) * | 2009-09-27 | 2010-03-03 | 江苏俊知技术有限公司 | Flexible electric power cable with steel-tape corrugated longitudinal wrapping armor layer |
| CN202142340U (en) * | 2011-05-21 | 2012-02-08 | 无锡市明珠电缆有限公司 | Track traffic middling pressure power cable |
| CN203760194U (en) * | 2014-01-15 | 2014-08-06 | 辛春红 | Fiber composite low-voltage insulation cable for user access |
| CN105741959A (en) * | 2016-05-04 | 2016-07-06 | 江苏红峰电缆集团有限公司 | Single-core high-voltage power cable for 8.7/10kv and lower voltage |
| CN108109731A (en) * | 2017-11-30 | 2018-06-01 | 新宇电缆集团股份有限公司 | A kind of single radio-frequency cable |
| CN208045174U (en) * | 2018-03-21 | 2018-11-02 | 泉州市科茂利通智能科技有限公司 | support type cable |
| CN208173293U (en) * | 2018-06-12 | 2018-11-30 | 内蒙古万蒙电缆有限责任公司 | A kind of cooling cable of assembly type |
| CN110246612A (en) * | 2019-06-17 | 2019-09-17 | 广东金牌电缆股份有限公司 | A kind of combined water-proof cable of lightweight |
| CN111508651A (en) * | 2020-04-09 | 2020-08-07 | 安徽华通电缆集团有限公司 | Photoelectric composite cable and sheath separating device applied to same |
-
2020
- 2020-11-18 CN CN202011294570.8A patent/CN112466527A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101661812A (en) * | 2009-09-27 | 2010-03-03 | 江苏俊知技术有限公司 | Flexible electric power cable with steel-tape corrugated longitudinal wrapping armor layer |
| CN202142340U (en) * | 2011-05-21 | 2012-02-08 | 无锡市明珠电缆有限公司 | Track traffic middling pressure power cable |
| CN203760194U (en) * | 2014-01-15 | 2014-08-06 | 辛春红 | Fiber composite low-voltage insulation cable for user access |
| CN105741959A (en) * | 2016-05-04 | 2016-07-06 | 江苏红峰电缆集团有限公司 | Single-core high-voltage power cable for 8.7/10kv and lower voltage |
| CN108109731A (en) * | 2017-11-30 | 2018-06-01 | 新宇电缆集团股份有限公司 | A kind of single radio-frequency cable |
| CN208045174U (en) * | 2018-03-21 | 2018-11-02 | 泉州市科茂利通智能科技有限公司 | support type cable |
| CN208173293U (en) * | 2018-06-12 | 2018-11-30 | 内蒙古万蒙电缆有限责任公司 | A kind of cooling cable of assembly type |
| CN110246612A (en) * | 2019-06-17 | 2019-09-17 | 广东金牌电缆股份有限公司 | A kind of combined water-proof cable of lightweight |
| CN111508651A (en) * | 2020-04-09 | 2020-08-07 | 安徽华通电缆集团有限公司 | Photoelectric composite cable and sheath separating device applied to same |
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Application publication date: 20210309 |