CN209929050U - Coaxial cable with long service life - Google Patents
Coaxial cable with long service life Download PDFInfo
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- CN209929050U CN209929050U CN201921225561.6U CN201921225561U CN209929050U CN 209929050 U CN209929050 U CN 209929050U CN 201921225561 U CN201921225561 U CN 201921225561U CN 209929050 U CN209929050 U CN 209929050U
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Abstract
The utility model discloses a coaxial cable with long service life, which relates to the technical field of coaxial cables and comprises an inner conductor and an outer conductor, wherein an insulating layer is arranged between the outer conductor and the inner conductor, the insulating layer comprises an inner insulating layer, an outer insulating layer and a central insulating layer which are integrally formed, the central insulating layer is composed of a gear-shaped central rubber layer and a buffer cavity in the central rubber layer, the outer part of the outer conductor is sequentially provided with a shielding layer, a heat insulation layer, a tensile layer and a flame-retardant sheath layer from inside to outside, the shielding layer is woven in turn by with tin-plating alloy silk and is formed, the shielding layer cladding is in the outside of outer conductor, the utility model discloses an insulating layer not only can prevent that inner conductor and outer conductor signal transmission from taking place to interfere, still has certain resistance to compression cushioning effect, and can prevent the overheated damage of cable through the inside heat of cushion chamber effluvium insulating layer.
Description
Technical Field
The utility model relates to a coaxial cable technical field, in particular to long service life's coaxial cable.
Background
The coaxial cable is named in relation to its structure. Coaxial cable is also one of the most common transmission media in local area networks. A pair of conductors for transmitting information is made up by using a cylindrical external conductor to cover the external surface of internal conductor (a thin core), and using insulating material to separate two conductors from each other, and the centre of the external conductor and centre of the central core wire are positioned on the same axle centre, so that they are called coaxial cable, and said coaxial cable is designed so as to prevent external electromagnetic wave from interfering the transmission of abnormal signal.
Along with the rapid development of the wire and cable industry in China, the number of newly added enterprises is continuously increased, and the demand of coaxial cables is gradually increased, so that the service life of the coaxial cables is required to be prolonged, and the coaxial cables with excellent performances in all aspects are urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a long service life's coaxial cable for solve the technical problem that above-mentioned background art exists.
The utility model discloses an above-mentioned technical scheme can be realized through following technical scheme that a long service life's coaxial cable, including inner conductor, outer conductor and inner conductor concentric circles set up, are provided with the insulating layer between outer conductor and the inner conductor, its characterized in that: the insulating layer includes integrated into one piece's internal insulation layer, external insulation layer and central insulating layer, central insulating layer comprises central rubber layer and the intraformational cushion chamber of central rubber that is the gear form, shielding layer, insulating layer, tensile layer and fire-retardant restrictive coating have set gradually from inside to outside of outer conductor, the shielding layer is woven in turn by with tin-plated alloy silk and is formed, the shielding layer cladding is in the outside of outer conductor.
Preferably, the insulating layer is fixed between the inner conductor and the outer conductor by means of extrusion.
Preferably, the heat insulation layer is made of Polytetrafluoroethylene (PTEE) material and coated on the outer part of the shielding layer.
Preferably, the tensile layer is formed by compounding specially-made micro high-strength galvanized iron wires and wrapping anti-aging acid-alkali-resistant polymer, and the tensile layer is wrapped outside the shielding layer.
Preferably, the flame-retardant sheath layer is made by adding flame-retardant materials such as antimony trioxide, magnesium hydroxide and aluminum hydroxide into a polyethylene material in an extrusion manner, is sleeved outside the tensile layer, and is bonded by glue.
Preferably, the inner conductor is made of a silver-plated copper wire material, and the outer conductor is made of a silver-plated copper strip wrapping mode.
The utility model has the advantages as follows: the utility model relates to a coaxial cable with long service life, an insulating layer is arranged between an inner conductor and an outer conductor, the insulating layer comprises an inner insulating layer, an outer insulating layer and a central insulating layer, the central insulating layer is composed of a gear-shaped central rubber layer and a buffer cavity in the central rubber layer, therefore, the insulating layer can not only prevent the signal transmission of the inner conductor and the outer conductor from interfering, the inner conductor and the outer conductor have certain compression-resistant buffer function when being applied with external pressure through the buffer cavity in the central insulating layer, but also can radiate heat in the insulating layer through the buffer cavity to prevent the cable from being damaged by overheating, in addition, the problem of signal interference in the transmission process of the cable can be reduced through adjusting the braiding density of a shielding layer, the arrangement of the insulating layer can ensure that the cable has heat for isolating the outside, the cable is prevented from being damaged by overheating, and the tensile layer can ensure that, the fire-retardant restrictive coating can make whole cable have the fire proofness, consequently the utility model discloses a performance in all aspects of coaxial cable is excellent, has very long life.
Drawings
Fig. 1 is a schematic diagram of the internal structure of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for 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 therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Referring to fig. 1, the technical object of the present invention is achieved by the following technical solutions, wherein a coaxial cable with a long service life comprises an inner conductor 1 and an outer conductor 2, the outer conductor 2 and the inner conductor 1 are concentrically arranged, and an insulating layer 3 is arranged between the outer conductor 2 and the inner conductor 1, and the coaxial cable is characterized in that: the insulating layer 3 includes integrated into one piece's inner insulating layer 31, outer insulating layer 32 and central insulating layer 33, central insulating layer 33 comprises the cushion chamber 332 that is gear-shaped in central rubber layer 331 and central rubber layer 331, the outside of outer conductor 2 has set gradually shielding layer 4, insulating layer 5, tensile layer 6 and fire-retardant restrictive coating 7 from inside to outside, shielding layer 4 is woven in turn with the tinned alloy silk and is formed, shielding layer 4 cladding is in the outside of outer conductor 2, insulating layer 3 is fixed between inner conductor 1 and outer conductor 2 through crowded mode of package, insulating layer 5 is made through Polytetrafluoroethylene (PTEE) material, coats the outside at shielding layer 4 through purpose-made high-strength zinc-plated iron wire to wrap up ageing resistance acid-resistant alkaline and form outward, tensile layer 6 wraps up in the outside of shielding layer 4, the flame-retardant sheath layer 7 is made by adding flame-retardant materials such as antimony trioxide, magnesium hydroxide and aluminum hydroxide into a polyethylene material in an extrusion mode, is sleeved outside the tensile layer 6 and is bonded by glue, the inner conductor 1 is made by a silver-plated copper wire material, and the outer conductor 2 is made by a silver-plated copper strip wrapping mode.
The utility model relates to a long service life's coaxial cable, insulating layer 3 that sets up between inner conductor 1 and outer conductor 2, insulating layer 3 includes inner insulation layer 31, outer insulation layer 32 and central insulating layer 33, central insulating layer 33 comprises central rubber layer 331 and the cushion chamber 332 in the central rubber layer 331 that is the gear form, therefore insulating layer 3 not only can prevent that inner conductor 1 and outer conductor 2 signal transmission from interfering, make inner conductor 1 and outer conductor 2 have certain resistance to compression cushioning effect when receiving external pressure through the cushion chamber 332 in central insulating layer 33, can also dispel the heat inside insulating layer 3 through cushion chamber 332, prevent the cable from damaging by overheating, in addition, through the regulation to shielding layer 4 establishment density, can reduce the problem of cable signal interference in transmission process, the setting of insulating layer 5 makes the cable have isolated outside heat, prevent the overheated damage of cable, tensile layer 6 can be so that whole cable has the pull resistance, and fire-retardant restrictive coating 7 can be so that whole cable has the fire behavior, consequently the utility model discloses a performance in all aspects of coaxial cable is excellent, has very long life.
The above description specifically describes the preferred embodiment of the present invention, but of course, the present invention can also adopt different forms from the above embodiments, and equivalent changes or corresponding modifications made by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a long service life's coaxial cable, includes inner conductor, outer conductor and inner conductor concentric circles set up, are provided with insulating layer, its characterized in that between outer conductor and the inner conductor: the insulating layer includes integrated into one piece's internal insulation layer, external insulation layer and central insulating layer, central insulating layer comprises central rubber layer and the intraformational cushion chamber of central rubber that is the gear form, shielding layer, insulating layer, tensile layer and fire-retardant restrictive coating have set gradually from inside to outside of outer conductor, the shielding layer is woven in turn by with tin-plated alloy silk and is formed, the shielding layer cladding is in the outside of outer conductor.
2. A long-life coaxial cable as defined in claim 1, wherein: the insulating layer is fixed between the inner conductor and the outer conductor in an extruding mode.
3. A long-life coaxial cable as defined in claim 2, wherein: the heat insulation layer is made of Polytetrafluoroethylene (PTEE) material and coated outside the shielding layer.
4. A long-life coaxial cable as defined in claim 3, wherein: the tensile layer is formed by compounding specially-made micro high-strength galvanized iron wires and wrapping anti-aging acid-alkali-resistant polymer, and the tensile layer is wrapped outside the shielding layer.
5. A long-life coaxial cable as defined in claim 4, wherein: the flame-retardant sheath layer is made by adding flame-retardant materials such as antimony trioxide, magnesium hydroxide and aluminum hydroxide into a polyethylene material in an extrusion mode, is sleeved outside the tensile layer and is bonded by glue.
6. A long-life coaxial cable as defined in claim 5, wherein: the inner conductor is made of silver-plated copper wire materials, and the outer conductor is made of silver-plated copper strips in a wrapping mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921225561.6U CN209929050U (en) | 2019-07-31 | 2019-07-31 | Coaxial cable with long service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921225561.6U CN209929050U (en) | 2019-07-31 | 2019-07-31 | Coaxial cable with long service life |
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| Publication Number | Publication Date |
|---|---|
| CN209929050U true CN209929050U (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921225561.6U Active CN209929050U (en) | 2019-07-31 | 2019-07-31 | Coaxial cable with long service life |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111627606A (en) * | 2020-05-25 | 2020-09-04 | 浙江德通科技有限公司 | High-flame-retardancy coaxial radio frequency cable and preparation method thereof |
| CN112436256A (en) * | 2020-12-11 | 2021-03-02 | 常州工业职业技术学院 | Miniaturized radio frequency coaxial cable assembly for 5G base station |
-
2019
- 2019-07-31 CN CN201921225561.6U patent/CN209929050U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111627606A (en) * | 2020-05-25 | 2020-09-04 | 浙江德通科技有限公司 | High-flame-retardancy coaxial radio frequency cable and preparation method thereof |
| CN112436256A (en) * | 2020-12-11 | 2021-03-02 | 常州工业职业技术学院 | Miniaturized radio frequency coaxial cable assembly for 5G base station |
| CN112436256B (en) * | 2020-12-11 | 2022-06-28 | 常州工业职业技术学院 | Miniaturized radio frequency coaxial cable assembly for 5G base station |
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