CN222530063U - Copper core polyvinyl chloride insulation flexible cable - Google Patents
Copper core polyvinyl chloride insulation flexible cable Download PDFInfo
- Publication number
- CN222530063U CN222530063U CN202420523203.8U CN202420523203U CN222530063U CN 222530063 U CN222530063 U CN 222530063U CN 202420523203 U CN202420523203 U CN 202420523203U CN 222530063 U CN222530063 U CN 222530063U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- sheath
- buffer
- polyvinyl chloride
- buffer sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 23
- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 23
- 238000009413 insulation Methods 0.000 title description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 24
- 239000000945 filler Substances 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000003063 flame retardant Substances 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000004743 Polypropylene Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 4
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims 4
- 239000002689 soil Substances 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 abstract 2
- 230000006378 damage Effects 0.000 description 4
- GANNOFFDYMSBSZ-UHFFFAOYSA-N [AlH3].[Mg] Chemical compound [AlH3].[Mg] GANNOFFDYMSBSZ-UHFFFAOYSA-N 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulated Conductors (AREA)
Abstract
本实用新型公开了一种铜芯聚氯乙烯绝缘软电缆，包括外护套、内护套、绝缘套以及铜线，内护套的内部设置有用于对绝缘套进行支撑和固定的外缓冲套和内缓冲套，外缓冲套与内缓冲套之间位于各个绝缘套位置设置有用于对绝缘套进行包裹的中央套，外缓冲套的内表面与内缓冲套的外表面间隙配合设置，中央套与绝缘套之间设置有用于对绝缘套进行包覆的套芯。通过内缓冲套、中央套、外缓冲套、缓冲腔、套芯、第一加强条以及第二加强条的相互配合，利用这种均匀分布的包裹方式，一方面能够对绝缘套进行缓冲和防护，降低铜线的磨损程度，另一方面能够使绝缘套远离高温；通过在外护套的外表面设置绞筋，能够增加外护套与土壤的接触面积，提高衔接处的摩擦。
The utility model discloses a copper core polyvinyl chloride insulated flexible cable, comprising an outer sheath, an inner sheath, an insulating sleeve and a copper wire. An outer buffer sleeve and an inner buffer sleeve for supporting and fixing the insulating sleeve are arranged inside the inner sheath. A central sleeve for wrapping the insulating sleeve is arranged between the outer buffer sleeve and the inner buffer sleeve at each insulating sleeve position. The inner surface of the outer buffer sleeve and the outer surface of the inner buffer sleeve are arranged in a clearance fit. A sleeve core for wrapping the insulating sleeve is arranged between the central sleeve and the insulating sleeve. Through the mutual cooperation of the inner buffer sleeve, the central sleeve, the outer buffer sleeve, the buffer cavity, the sleeve core, the first reinforcement strip and the second reinforcement strip, by utilizing this uniformly distributed wrapping method, on the one hand, the insulating sleeve can be buffered and protected, and the wear degree of the copper wire can be reduced. On the other hand, the insulating sleeve can be kept away from high temperature. By arranging twisted bars on the outer surface of the outer sheath, the contact area between the outer sheath and the soil can be increased, and the friction at the joint can be improved.
Description
Technical Field
The utility model belongs to the technical field of cables, and particularly relates to a copper core polyvinyl chloride insulated flexible cable.
Background
A cable is an electrical energy or signal transmission device, typically consisting of several wires or groups of wires. The cables include power cables, control cables, compensation cables, shielding cables, high-temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables, and the like.
The existing copper core polyvinyl chloride insulated flexible cable generally comprises copper wires, a PVC (polyvinyl chloride) insulating sleeve and an outer sheath, when the copper core polyvinyl chloride insulated flexible cable is used, the PVC insulating sleeve can firstly wrap a plurality of groups of copper wires, and then wrap a plurality of groups of PVC insulating sleeves by using the outer sheath.
Disclosure of utility model
The utility model aims to provide a copper core polyvinyl chloride insulated flexible cable, which aims to solve the technical problems in the background technology.
The copper core polyvinyl chloride insulated flexible cable comprises an outer sheath, an inner sheath, an insulating sleeve and copper wires, wherein the inner sheath is arranged in the outer sheath, the insulating sleeve is arranged in the inner sheath at equal intervals in an annular mode, the copper wires are wound in the insulating sleeve, an outer buffer sleeve and an inner buffer sleeve used for supporting and fixing the insulating sleeve are arranged in the inner sheath, a central sleeve used for wrapping the insulating sleeve is arranged between the outer buffer sleeve and the inner buffer sleeve and is in clearance fit with the outer surface of the inner buffer sleeve, the outer buffer sleeve, the central sleeve and the inner buffer sleeve are integrally formed, the outer buffer sleeve, the central sleeve and the inner buffer sleeve are all made of polyvinyl chloride materials, a sleeve core used for wrapping the insulating sleeve is arranged between the central sleeve and the insulating sleeve in an annular mode, a buffer cavity is arranged between the sleeve core and the central sleeve at equal intervals, and a first reinforcing strip and a second reinforcing strip are arranged in the buffer cavity.
Preferably, the first reinforcing strips and the second reinforcing strips are distributed in a crossing way, and the central sleeve, the first reinforcing strips, the second reinforcing strips and the sleeve core are integrally formed.
Preferably, the inside of interior buffer cover is provided with first filler, first filler is the PP rope, and the PP rope is made by the polypropylene material, be provided with the second filler between two sets of central cover that lie in adjacent between outer buffer cover and the interior buffer cover, the second filler is the cotton thread.
Preferably, the outer surface of the outer sheath is annular and equidistant, the twisted ribs and the outer sheath are integrally formed, and an inner wrapping belt for fastening and protecting the outer buffer sheath is arranged between the outer buffer sheath and the inner sheath.
Preferably, the outside of inner sheath is provided with the shielding cover, the outside of shielding cover is provided with fire-retardant cover, fire-retardant cover is made by the silica gel material.
Preferably, the outside of fire-retardant cover is annular equidistant and is provided with almag steel wire armor, be provided with between almag steel wire armor and the oversheath and be used for right almag steel wire armor wraps up and fastens the outer band.
The copper core polyvinyl chloride insulated flexible cable has the following advantages:
According to the utility model, through the mutual matching of the inner buffer sleeve, the central sleeve, the outer buffer sleeve, the buffer cavity, the sleeve core, the first reinforcing strips and the second reinforcing strips, the uniformly distributed wrapping mode is utilized, so that on one hand, the insulating sleeve can be buffered and protected, on the other hand, the abrasion degree of a copper wire is reduced, the service life of the copper wire is prolonged, and on the other hand, the insulating sleeve can be far away from high temperature, and the possibility of damage of the insulating sleeve is reduced.
According to the utility model, the twisted ribs are arranged on the outer surface of the outer sheath, so that the contact area between the outer sheath and soil can be increased, and the friction at the joint can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a plan view of the overall structure of the present utility model;
FIG. 3 is a schematic plan view of an inner cushion cover and an outer cushion cover according to the present utility model;
Fig. 4 is an enlarged view of the structure of fig. 3a according to the present utility model.
The figure shows that 1, the outer sheath; 2, an inner sheath, 3, an inner buffer sleeve, 301, a first filler, 4, an outer buffer sleeve, 401, a second filler, 5, a central sleeve, 501, a buffer cavity, 502, a sleeve core, 503, a first reinforcing strip, 504, a second reinforcing strip, 6, a twisted rib, 7, an insulating sleeve, 8, copper wires, 9, an inner wrapping belt, 10, a shielding sleeve, 11, a flame retardant sleeve, 12, an outer wrapping belt, 13 and an aluminum magnesium alloy steel wire armor.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the embodiments of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
In the description of the embodiments of the present utility model, it should be understood that the terms "length," "vertical," "horizontal," "top," "bottom," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the embodiments of the present utility model and to simplify the description, rather than to indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.
In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or in communication, directly connected, or indirectly connected through an intermediary, or may be in communication with one another or an interaction relationship between two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.
The following disclosure provides many different implementations, or examples, for implementing different configurations of embodiments of the utility model. In order to simplify the disclosure of embodiments of the present utility model, components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present utility model. Furthermore, embodiments of the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.
For a better understanding of the objects, structures and functions of the present utility model, a copper core pvc insulated flexible electrical power cable according to the present utility model will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-4, the copper core polyvinyl chloride insulated flexible cable comprises an outer sheath 1, an inner sheath 2, an insulating sleeve 7 and copper wires 8, wherein the inner sheath 2 is positioned in the outer sheath 1, the insulating sleeve 7 is arranged in the inner sheath 2 at equal intervals in a ring shape, the copper wires 8 are wound in the insulating sleeve 7, the outer sheath 1, the inner sheath 2 and the insulating sleeve 7 are made of polyvinyl chloride materials, an outer buffer sleeve 4 and an inner buffer sleeve 3 for supporting and fixing the insulating sleeve 7 are arranged in the inner sheath 2, the inner surface of the outer buffer sleeve 4 is in clearance fit with the outer surface of the inner buffer sleeve 3, a central sleeve 5 for wrapping the insulating sleeve 7 is arranged between the outer buffer sleeve 4 and the inner buffer sleeve 3, the outer buffer sleeve 4, the central sleeve 5 and the inner buffer sleeve 3 are integrally formed, and the outer buffer sleeve 4, the central sleeve 5 and the inner buffer sleeve 3 are made of polyvinyl chloride materials.
Specifically, the first filler 301 is arranged inside the inner buffer sleeve 3, the first filler 301 is a PP rope, the PP rope is made of polypropylene, the inner buffer sleeve has the advantages of no water absorption, corrosion resistance, no mildew, wear resistance, long service life and the like, the second filler 401 is arranged between two adjacent groups of central sleeves 5 between the outer buffer sleeve 4 and the inner buffer sleeve 3, the second filler 401 is cotton threads, the inner buffer sleeve has the characteristics of softness, good end effect, high temperature resistance and the like, bending performance and tensile strength of a cable can be effectively improved, a sleeve core 502 for coating the insulating sleeve 7 is arranged between the central sleeves 5 and the insulating sleeve 7, a buffer cavity 501 is arranged between the sleeve core 502 and the central sleeves 5 in an annular equidistant mode, a first reinforcing strip 503 and a second reinforcing strip 504 are arranged inside the buffer cavity 501, the first reinforcing strip 503 and the second reinforcing strip 504 are distributed in a crossed mode, and the central sleeves 5, the first reinforcing strip 503, the second reinforcing strip 504 and the sleeve core 502 are integrally formed.
Specifically, the outward appearance of oversheath 1 is annular equidistant hank muscle 6 that is provided with for increase the area of contact of oversheath 1 with soil, improve the friction of linking department, hank muscle 6 and oversheath 1 integrated into one piece, be provided with the interior band 9 that is used for fastening and protecting outer buffer sheath 4 between outer buffer sheath 4 and the oversheath 2, can effectively prevent the harm of external factor to outer buffer sheath 4, the life of extension outer buffer sheath 4, the outside of inner sheath 2 is provided with shielding cover 10, be used for avoiding the cable to take place partial discharge, the outside of shielding cover 10 is provided with fire-retardant cover 11, be used for carrying out fire prevention isolation to the cable, avoid the cable to receive the destruction of conflagration, fire-retardant cover 11 is made by the silica gel material, the outside of fire-retardant cover 11 is annular equidistant aluminium magnesium alloy steel wire armor 13 that is provided with, be used for improving cable bulk strength between aluminium magnesium alloy steel wire armor 13 and the oversheath 1 is provided with the outer band 12 that is used for wrapping up and fastening aluminium magnesium alloy steel wire armor 13.
According to the utility model, through the mutual matching of the inner buffer sleeve 3, the central sleeve 5, the outer buffer sleeve 4, the buffer cavity 501, the sleeve core 502, the first reinforcing strips 503 and the second reinforcing strips 504, the insulation sleeve 7 can be buffered and protected by utilizing the uniformly distributed wrapping mode, the abrasion degree of the copper wire 8 is reduced, the service life of the copper wire 8 is prolonged, the insulation sleeve 7 can be separated from high temperature, and the damage possibility of the insulation sleeve 7 is reduced.
It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. The copper core polyvinyl chloride insulated flexible cable comprises an outer sheath (1), an inner sheath (2), an insulating sleeve (7) and copper wires (8), wherein the inner sheath (2) is positioned inside the outer sheath (1), the insulating sleeve (7) is arranged inside the inner sheath (2) at equal intervals in a ring shape, the copper wires (8) are wound inside the insulating sleeve (7), the copper wires are characterized in that the inner sheath (2) is internally provided with an outer buffer sleeve (4) and an inner buffer sleeve (3) for supporting and fixing the insulating sleeve (7), a central sleeve (5) for wrapping the insulating sleeve (7) is arranged between the outer buffer sleeve (4) and the inner buffer sleeve (3) at each insulating sleeve (7), the inner surface of the outer buffer sleeve (4) is arranged in clearance fit with the outer surface of the inner buffer sleeve (3), the outer buffer sleeve (4), the central sleeve (5) and the inner buffer sleeve (3) are integrally molded, the outer buffer sleeve (4), the central sleeve (5) and the inner buffer sleeve (3) are all made of materials for wrapping the insulating sleeve (7), buffering cavities (501) are arranged between the sleeve core (502) and the central sleeve (5) at equal intervals in an annular mode, and first reinforcing strips (503) and second reinforcing strips (504) are arranged in the buffering cavities (501).
2. The copper core polyvinyl chloride insulated flexible cable according to claim 1, wherein the first reinforcing strips (503) and the second reinforcing strips (504) are distributed in a crossing manner, and the central sleeve (5), the first reinforcing strips (503), the second reinforcing strips (504) and the sleeve core (502) are integrally formed.
3. The copper core polyvinyl chloride insulated flexible cable according to claim 1, wherein a first filler (301) is arranged in the inner buffer sleeve (3), the first filler (301) is a PP rope, the PP rope is made of polypropylene, a second filler (401) is arranged between the outer buffer sleeve (4) and the inner buffer sleeve (3) and between two adjacent groups of central sleeves (5), and the second filler (401) is cotton.
4. The copper core polyvinyl chloride insulated flexible cable according to claim 1, wherein the outer surface of the outer sheath (1) is provided with twisted ribs (6) at equal intervals, the twisted ribs (6) and the outer sheath (1) are integrally formed, and an inner wrapping belt (9) for fastening and protecting the outer buffering sheath (4) is arranged between the outer buffering sheath (4) and the inner sheath (2).
5. The copper core polyvinyl chloride insulated flexible cable according to claim 1, wherein a shielding sleeve (10) is arranged outside the inner sheath (2), a flame-retardant sleeve (11) is arranged outside the shielding sleeve (10), and the flame-retardant sleeve (11) is made of a silica gel material.
6. The copper core polyvinyl chloride insulated flexible cable according to claim 5, wherein aluminum magnesium alloy steel wire armors (13) are arranged at equal intervals in an annular shape outside the flame retardant sleeve (11), and an outer wrapping belt (12) used for wrapping and fastening the aluminum magnesium alloy steel wire armors (13) is arranged between the aluminum magnesium alloy steel wire armors (13) and the outer sheath (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420523203.8U CN222530063U (en) | 2024-03-18 | 2024-03-18 | Copper core polyvinyl chloride insulation flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420523203.8U CN222530063U (en) | 2024-03-18 | 2024-03-18 | Copper core polyvinyl chloride insulation flexible cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222530063U true CN222530063U (en) | 2025-02-25 |
Family
ID=94681647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420523203.8U Active CN222530063U (en) | 2024-03-18 | 2024-03-18 | Copper core polyvinyl chloride insulation flexible cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222530063U (en) |
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2024
- 2024-03-18 CN CN202420523203.8U patent/CN222530063U/en active Active
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