CN210606692U - Low-temperature-resistant, cold-proof and aging-resistant high-performance weather-resistant flexible cable - Google Patents
Low-temperature-resistant, cold-proof and aging-resistant high-performance weather-resistant flexible cable Download PDFInfo
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- CN210606692U CN210606692U CN201921294536.3U CN201921294536U CN210606692U CN 210606692 U CN210606692 U CN 210606692U CN 201921294536 U CN201921294536 U CN 201921294536U CN 210606692 U CN210606692 U CN 210606692U
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- restrictive coating
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Abstract
The utility model discloses a low temperature resistant, the winter protection, the resistant weatherable flexible cable of high performance of ageing-resistant, including the restrictive coating, the cladding sets up at the inboard band layer of restrictive coating and is tightened the insulating heart yearn in inside by the band layer, the restrictive coating includes the frost-resistant restrictive coating of interior elasticity that from interior to exterior set gradually, the frost-resistant restrictive coating of well elasticity and the frost-resistant restrictive coating of outer elasticity, the frost-resistant restrictive coating of interior elasticity and the frost-resistant restrictive coating of well elasticity are provided with interior elastic support bar between, be provided with outer elastic support bar between the frost-resistant restrictive coating of well elasticity and the frost-resistant restrictive coating of outer elasticity, the shaping has the cover body on the frost-resistant restrictive coating of well elasticity, the outside of interior elastic support bar is connected with the inboard middle part of the cover body, the inboard of. The utility model provides a cable has good crooked, softness and shock resistance, and weather resistance is good, can guarantee that the cable keeps the continuous stability at low temperature environment performance for a long time.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to a high performance resistant time flexible cable that waits of low temperature resistant, winter protection, ageing-resistant.
Background
The China wire and cable industry grows rapidly and has the function of providing supporting services for the national economic prop industry. Macroscopically, the wire and cable industry throughout China is in a growing period of rapid development. But at the same time faces new problems: the problems of excessive yield, insufficient effective supply, outstanding structural contradiction, high investment, low yield, weak technological innovation and the like of domestic cable manufacturers are increasingly severe; these problems have severely hampered the healthy development of the wire and cable industry. Therefore, understanding and complying with the trend of market development, mastering advanced technology, developing new products, and upgrading industry by improving the level and grade of products become necessary requirements for each manufacturer to gain advantages in competition.
In some cold areas, a specially-made anti-freezing cable is required to be used, the weather resistance of the cable is generally enhanced by filling filler between a wire core and a sheath so as to deal with the harsh environment, and although the cable has certain cold resistance, the bending performance and the flexibility of the cable are poor, and the continuous and stable operation in the low-temperature environment cannot be ensured.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to avoid prior art's weak point, provide a resistant low temperature, winter protection, resistant ageing high performance resistant time flexible cable to effectively solve the weak point that exists among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a low temperature resistant, cold-proof, aging resistant high performance weather-resistant flexible cable comprises a sheath layer, a belting layer which is coated on the inner side of the sheath layer, and at least one group of insulation core wires which are bound inside by the belting layer, wherein the sheath layer comprises an inner elastic anti-freezing sheath layer, a middle elastic anti-freezing sheath layer and an outer elastic anti-freezing sheath layer which are sequentially arranged from inside to outside, 8-12 inner elastic support bars are uniformly arranged between the inner elastic anti-freezing sheath layer and the middle elastic anti-freezing sheath layer along the circumferential direction at intervals, 8-12 outer elastic support bars are uniformly arranged between the middle elastic anti-freezing sheath layer and the outer elastic anti-freezing sheath layer along the circumferential direction at intervals, the positions of the inner elastic support bars correspond to the positions of the outer elastic support bars, a sleeve body which corresponds to the outer positions of the inner elastic support bars and the outer elastic support bars is formed on the middle elastic, the outer side of the inner elastic support bar is connected with the middle part of the inner side of the sleeve body, and the inner side of the outer elastic support bar is connected with the middle part of the outer side of the sleeve body;
a plurality of independent inner air cavities are enclosed among the inner elastic anti-freezing sheath layer, the middle elastic anti-freezing sheath layer and the inner elastic supporting bars; a plurality of independent external air cavities are enclosed among the middle elastic anti-freezing sheath layer, the outer elastic anti-freezing sheath layer and the outer elastic supporting bars.
Furthermore, the inner elastic anti-freezing sheath layer, the middle elastic anti-freezing sheath layer and the outer elastic anti-freezing sheath layer are made of IE4 or SE3 type mixture of elastic heat-shrinkable rubber or TPE common insulating rubber or other equivalent synthetic elastomer materials.
Further, the insulating core wire comprises a conductor and an insulating layer coated on the outer side of the conductor.
Further, the conductor is a copper conductor or a rare earth aluminum alloy conductor.
Further, the insulating layer is a layer of a mixture of type IE4 with an elastic heat-shrinkable rubber or TPE co-insulating rubber or other equivalent synthetic elastomeric material.
Further, the inner elastic supporting strips and the outer elastic supporting strips extend in a wavy shape in the axial direction.
Further, the cross section of the sleeve body is circular or oval.
Further, the materials of the inner elastic supporting strip and the outer elastic supporting strip are mixtures of TPE common insulating rubber or other equivalent synthetic elastomer materials or mixtures of other equivalent synthetic elastomer materials
The above technical scheme of the utility model following beneficial effect has: the utility model discloses a restrictive coating includes three-layer elasticity frost-resistant restrictive coating, and through novel structural design, is provided with inside and outside air chamber, not only plays good low temperature resistant, winter protection's effect under the effect of multilayer elasticity restrictive coating itself, and the setting of inside and outside air chamber has further weakened the heat exchange between the cable inside and the external environment, has further strengthened low temperature resistant and winter protection's performance; in addition, the cable is not filled with fillers, the whole sheath layer is made of elastic materials, and the inner elastic support bars, the outer elastic support bars and the sheath body are matched, so that the whole cable is very soft, has excellent bending, flexibility and impact resistance, is good in weather resistance, and can be used continuously and stably in a low-temperature environment for a long time.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a state diagram of the inner elastic support strip or the outer elastic support strip according to the embodiment of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-2, this embodiment describes a high performance weather-resistant flexible cable with low temperature resistance, cold resistance and aging resistance, which comprises a sheath layer, a wrapping tape layer 1 wrapped inside the sheath layer and at least one set of insulation core wires bound inside by the wrapping tape layer 1, the sheath layer comprises an inner elastic anti-freezing sheath layer 2 sequentially arranged from inside to outside, a middle elastic anti-freezing sheath layer 3 and an outer elastic anti-freezing sheath layer 4, 10 inner elastic support bars 5 uniformly arranged between the inner elastic anti-freezing sheath layer 2 and the middle elastic anti-freezing sheath layer 3 along the circumferential interval, 10 outer elastic support bars 6 uniformly arranged between the middle elastic anti-freezing sheath layer 3 and the outer elastic anti-freezing sheath layer 4 along the circumferential interval, the inner elastic support bars 5 correspond to the outer elastic support bars 6 in position, and the inner elastic support bars 5 and the outer elastic support bars 6 are both radially arranged, and the middle elastic anti-freezing sheath layer 3 is formed with 10 outer elastic support bars 5 corresponding to the outer elastic support bars 6 The sleeve body 301, the inside of the sleeve body 301 is provided with a hollow cavity, the outer side of the inner elastic support bar 5 is connected with the middle part of the inner side of the sleeve body 301, and the inner side of the outer elastic support bar 6 is connected with the middle part of the outer side of the sleeve body 301.
A plurality of independent inner air cavities 7 are enclosed among the inner elastic anti-freezing sheath layer 2, the middle elastic anti-freezing sheath layer 3 and the inner elastic supporting bars 5; a plurality of independent outer air cavities 8 are enclosed among the middle elastic anti-freezing sheath layer 3, the outer elastic anti-freezing sheath layer 4 and the outer elastic support bars 6, and the sections of the inner air cavities 7 and the outer air cavities 8 are approximate to a fan shape on the whole.
The utility model discloses a restrictive coating includes three-layer elasticity frost-resistant restrictive coating, and through novel structural design, is provided with inside and outside air chamber, not only plays good low temperature resistant, winter protection's effect under the effect of multilayer elasticity restrictive coating itself, and the setting of inside and outside air chamber has further weakened the heat exchange between the cable inside and the external environment, has further strengthened low temperature resistant and winter protection's performance; in addition, the cable is not filled with fillers, the whole sheath layer is made of elastic materials, and the inner elastic support bars, the outer elastic support bars and the sheath body are matched, so that the whole cable is very soft, has excellent bending, flexibility and impact resistance, is good in weather resistance, and can be used continuously and stably in a low-temperature environment for a long time.
The inner elastic anti-freezing sheath layer 2, the middle elastic anti-freezing sheath layer 3 and the outer elastic anti-freezing sheath layer 4 are made of IE4 or SE3 type mixture with elastic heat-shrinkable rubber or TPE common insulating rubber or other equivalent synthetic elastomer materials.
The insulating core wire comprises a conductor 9 and an insulating layer 10 coated on the outer side of the conductor 9, wherein the conductor 9 is a copper conductor or a rare earth aluminum alloy conductor, and the insulating layer 10 is an IE4 type mixture layer made of elastic heat shrinkable rubber or TPE (thermal plastic elastomer) common insulating rubber or other equivalent synthetic elastomer materials.
The cross section of the sleeve body 301 is circular or oval.
The material of the inner and outer elastic support strips 5, 6 is TPE with common insulating rubber or other equivalent synthetic elastomer material blend.
As shown in fig. 2, the inner and outer elastic support strips 5 and 6 extend in a wave shape in the axial direction, and play a certain role of skeleton support.
The belt layer 1 may be a polyester belt layer.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The utility model provides a resistant low temperature, winter protection, high performance resistant weather flexible cable of ageing resistance, includes restrictive coating, cladding setting at the inboard band layer of restrictive coating and by at least a set of insulating heart yearn of band layer lacing inside, its characterized in that: the sheath layer comprises an inner elastic anti-freezing sheath layer, a middle elastic anti-freezing sheath layer and an outer elastic anti-freezing sheath layer which are sequentially arranged from inside to outside, 8-12 inner elastic support bars are uniformly arranged between the inner elastic anti-freezing sheath layer and the middle elastic anti-freezing sheath layer at intervals along the circumferential direction, 8-12 outer elastic support bars are uniformly arranged between the middle elastic anti-freezing sheath layer and the outer elastic anti-freezing sheath layer at intervals along the circumferential direction, the positions of the inner elastic support bars correspond to those of the outer elastic support bars, a sleeve body corresponding to the outer portions of the inner elastic support bars and the outer elastic support bars is formed on the middle elastic anti-freezing sheath layer, the outer side of each inner elastic support bar is connected with the middle portion of the inner side of the sleeve body, and the inner side of each outer elastic support bar is connected with the middle;
a plurality of independent inner air cavities are enclosed among the inner elastic anti-freezing sheath layer, the middle elastic anti-freezing sheath layer and the inner elastic supporting bars; a plurality of independent external air cavities are enclosed among the middle elastic anti-freezing sheath layer, the outer elastic anti-freezing sheath layer and the outer elastic supporting bars.
2. The low temperature resistant, cold resistant, aging resistant high performance weather resistant flexible cable of claim 1, wherein: the inner elastic anti-freezing sheath layer, the middle elastic anti-freezing sheath layer and the outer elastic anti-freezing sheath layer are made of IE4 or SE3 type mixture with elastic heat-shrinkable rubber or TPE common insulating rubber or other equivalent synthetic elastomer materials.
3. The low temperature resistant, cold resistant, aging resistant high performance weather resistant flexible cable of claim 1, wherein: the insulating core wire comprises a conductor and an insulating layer coated on the outer side of the conductor.
4. The low temperature, cold and aging resistant high performance weather resistant flexible cable of claim 3, wherein: the conductor is a copper conductor or a rare earth aluminum alloy conductor.
5. The low temperature, cold and aging resistant high performance weather resistant flexible cable of claim 3, wherein: the insulating layer is a layer of a mixture of type IE4 of a heat-shrinkable rubber or TPE with elasticity, with an insulating rubber or other equivalent synthetic elastomeric material.
6. The low temperature resistant, cold resistant, aging resistant high performance weather resistant flexible cable of claim 1, wherein: the inner elastic supporting strips and the outer elastic supporting strips extend in a wavy shape in the axial direction.
7. The low temperature resistant, cold resistant, aging resistant high performance weather resistant flexible cable of claim 1, wherein: the section of the sleeve body is circular or oval.
8. The low temperature resistant, cold resistant, aging resistant high performance weather resistant flexible cable of claim 1, wherein: the materials of the inner elastic supporting strip and the outer elastic supporting strip are TPE common insulating rubber or other equivalent synthetic elastomer materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921294536.3U CN210606692U (en) | 2019-08-12 | 2019-08-12 | Low-temperature-resistant, cold-proof and aging-resistant high-performance weather-resistant flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921294536.3U CN210606692U (en) | 2019-08-12 | 2019-08-12 | Low-temperature-resistant, cold-proof and aging-resistant high-performance weather-resistant flexible cable |
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| Publication Number | Publication Date |
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| CN210606692U true CN210606692U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921294536.3U Active CN210606692U (en) | 2019-08-12 | 2019-08-12 | Low-temperature-resistant, cold-proof and aging-resistant high-performance weather-resistant flexible cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117038A (en) * | 2020-09-07 | 2020-12-22 | 刘玉福 | Low-temperature-resistant sheath suitable for underground embedded cable |
-
2019
- 2019-08-12 CN CN201921294536.3U patent/CN210606692U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117038A (en) * | 2020-09-07 | 2020-12-22 | 刘玉福 | Low-temperature-resistant sheath suitable for underground embedded cable |
| CN112117038B (en) * | 2020-09-07 | 2021-12-14 | 山东万达海缆有限公司 | Low-temperature-resistant sheath suitable for underground embedded cable |
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