CN216697943U - High-performance coaxial cable connecting line - Google Patents
High-performance coaxial cable connecting line Download PDFInfo
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- CN216697943U CN216697943U CN202123217251.XU CN202123217251U CN216697943U CN 216697943 U CN216697943 U CN 216697943U CN 202123217251 U CN202123217251 U CN 202123217251U CN 216697943 U CN216697943 U CN 216697943U
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Abstract
The utility model discloses a high-performance coaxial cable connecting line which comprises a cable body, wherein the cable body is sequentially provided with an inner conductor, an insulating layer, a conductive PVC (polyvinyl chloride) shielding layer, an outer shielding layer and an outer sheath from inside to outside; the cable comprises a cable body and is characterized in that two ends of the cable body are respectively provided with a connecting sleeve, each connecting sleeve comprises a first connecting piece and a second connecting piece, the first connecting pieces are fixed on the outer side of an outer sheath, each first connecting piece is provided with a spherical connecting end, each second connecting piece is of a tubular structure, the spherical connecting ends stretch into the second connecting pieces, and the spherical connecting ends of the first connecting pieces can rotate relative to the second connecting pieces. The conductive PVC shielding layer can improve the shielding efficiency of the coaxial cable, the rotatable connecting sleeve can be bent along with the connecting wire of the coaxial cable and protects the bent part of the cable, the outer sheath of the cable connecting wire is prevented from cracking, potential safety hazards such as electric leakage and the like are avoided, and the service life of the cable connecting wire is prolonged.
Description
Technical Field
The utility model relates to the technical field of coaxial cables, in particular to a high-performance coaxial cable connecting line.
Background
A coaxial cable is a wire and signal transmission line, generally made of four layers of materials: the innermost is a conductive copper wire surrounded by a layer of plastic (used as an insulator or dielectric), the insulator is surrounded by a thin mesh conductor (typically copper or alloy), and the outermost layer of insulation is the outer skin. Coaxial cables are used for the transmission of analog and digital signals and are suitable for a wide variety of applications, the most important of which are television transmissions, long distance telephone transmissions, short distance connections between computer systems, and local area networks.
When the existing coaxial cable is used in a multi-signal-source occasion, transmission signals are easily interfered, so that the signals are obviously distorted, and the shielding efficiency is poor. When the coaxial cable is connected with the equipment, the interface position of some equipment is on the back, and after the coaxial cable is connected with the equipment, the end part of the coaxial cable is in a greatly bent state, and some coaxial cables can be stored again after the use is finished, and at the moment, the end part of the coaxial cable can be straightened. Therefore, after long-term use, the outer skin of the coaxial cable is aged, cracks are easy to appear on the surface of the repeatedly bent end part, the service life of the device is shortened, and even the inner conductor is exposed, so that the electric leakage phenomenon is caused, and potential safety hazards are generated.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a high-performance coaxial cable connecting line which has high shielding efficiency and long service life and can be bent at will at the end part of the cable.
Therefore, the technical scheme of the utility model is as follows: a high-performance coaxial cable connecting line comprises a cable body, wherein the cable body comprises an inner conductor, the outer side of the inner conductor is sequentially provided with an insulating layer, an outer shielding layer and an outer sheath from inside to outside, and a conductive PVC shielding layer is arranged between the insulating layer and the outer shielding layer; connecting sleeves are mounted at two ends of the cable body and comprise a first connecting piece and a second connecting piece, the first connecting piece is fixed outside the outer sheath, and one end of the first connecting piece facing the second connecting piece is provided with a spherical connecting end; the second connecting piece is of a tubular structure, the spherical connecting end extends into the second connecting piece, and an annular limiting surface is arranged at the port of the second connecting piece facing the first connecting piece; the first connecting piece can rotate relative to the second connecting piece through the spherical connecting end, and the end part of the cable body penetrates through the spherical connecting end of the first connecting piece and extends into the second connecting piece.
The conductive PVC shielding layer has good shielding effect, so that the overall shielding efficiency of the coaxial cable is greatly improved, and the transmission signal of the coaxial cable is ensured not to be influenced by external electromagnetic waves; the connecting sleeve is arranged between the cable connecting wire and the coaxial connector, and the cable connecting wire penetrates through the connecting sleeve and is electrically connected with the coaxial connector; the first connecting piece is fixed on the cable connecting line, the second connecting piece can be provided with corresponding connecting structures such as a thread structure and a buckle structure and is fixedly connected with the coaxial connector, the spherical connecting end on the first connecting piece can rotate inside the second connecting piece, when the coaxial connector and the cable connecting line need to be bent, the connecting sleeve can be bent along with the spherical connecting end, the bent part of the cable connecting line is protected, the outer sheath of the cable connecting line is prevented from cracking, potential safety hazards such as electric leakage are avoided, and the service life of the cable connecting line is prolonged.
Preferably, the spherical connecting end is hollow inside, a through hole for the cable body to pass through is formed in the spherical connecting end, the through hole is a conical hole, the aperture of the through hole is larger than that of the other end of the through hole towards one end of the second connecting piece, and the edge of the through hole is in transitional connection with the spherical surface of the spherical connecting end through an arc surface. The cable connecting wire passes through the through hole of the spherical connecting sleeve, and the arc surface at the edge of the through hole can avoid abrasion of the outer sheath of the cable connecting wire, so that the cable connecting wire can be conveniently bent randomly along with the first connecting piece.
Preferably, the inner diameter of the annular limiting surface on the second connecting piece is smaller than the diameter of the spherical connecting end on the first connecting piece. The annular limiting surface can prevent the first connecting piece and the second connecting piece from separating, and connection stability of the cable connecting line is guaranteed.
Preferably, the insulating layer is divided into a first insulating layer and a second insulating layer, the first insulating layer is of a thin structure and wraps the outer side of the inner conductor, and the second insulating layer is made of PE materials through physical foaming. The first insulating layer is bonded with the inner conductor, and the inner conductor can be tightly wrapped between the first insulating layers, so that the inner conductor is prevented from entering moisture and being oxidized in the bending process, and the inner conductor is ensured to have good and stable transmission quality; the second insulating layer is a foaming insulating layer, so that the insulating property is kept good, and the stability of the electric property and the high-frequency transmission property of the cable is ensured.
Preferably, the thickness of the conductive PVC shielding layer is 0.1-0.3 mm. The ultrathin conductive PVC shielding layer has a good shielding effect, so that the overall shielding efficiency of the coaxial cable is greatly improved, the transmission signal of the coaxial cable is ensured not to be influenced by external electromagnetic waves, the shielding attenuation effect is good, the leakage of the transmitted high-frequency signal is small, the energy of the high-frequency transmission signal is improved, and the transmission signal is not easily interfered and not easily causes signal distortion.
Preferably, the outer shielding layer is composed of an aluminum-plastic composite belt and a copper wire braided belt. The outer shielding layer can enhance the overall shielding effect of the cable.
Compared with the prior art, the utility model has the beneficial effects that:
1) the conductive PVC shielding layer has a good shielding effect, can improve the shielding efficiency of the coaxial cable, ensures that the transmission signal of the coaxial cable is not influenced by external electromagnetic waves, and has good shielding attenuation effect;
2) the rotatable connecting sleeve is utilized to improve the connection stability between the coaxial cable connecting wire and the coaxial connector, the connecting sleeve can be bent along with the coaxial cable connecting wire, the bent part of the cable is protected, the outer sheath of the cable connecting wire is prevented from cracking, potential safety hazards such as electric leakage are avoided, and the service life of the cable connecting wire is prolonged.
Drawings
The following detailed description is made with reference to the accompanying drawings and embodiments of the present invention
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a structural sectional view of the cable body (omitting the connection sleeve);
FIG. 3 is a structural sectional view of the connecting sleeve;
fig. 4 is a structural sectional view of the cable body in a bent state.
Labeled as: the cable comprises an inner conductor 1, a first insulating layer 2, a second insulating layer 3, a conductive PVC shielding layer 4, an outer shielding layer 5, an outer sheath 6, a connecting sleeve 7, a first connecting piece 71, a second connecting piece 72, a spherical connecting end 73, a through hole 74, an annular limiting surface 75, a threaded structure 76 and a cable body 8.
Detailed Description
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the utility model, "a number" or "a number" means two or more unless explicitly specified otherwise.
See the drawings. The coaxial cable connecting line comprises a cable body 8 and a connecting sleeve 7, wherein the cable body 8 comprises an inner conductor 1, an insulating layer, an outer shielding layer 5 and an outer sheath 6 are sequentially arranged on the outer side of the inner conductor from inside to outside, and a conductive PVC shielding layer 4 is arranged between the insulating layer and the outer shielding layer; the inner conductor 1 is formed by winding a single copper conductor or a plurality of copper wires; the outer shielding layer 5 consists of an aluminum-plastic composite belt and a copper wire braided belt; the outer sheath 6 is made of insulating rubber.
The insulating layer is divided into a first insulating layer 2 and a second insulating layer 3, the first insulating layer 2 is of a thin structure and wraps the outer side of the inner conductor, the first insulating layer 2 is bonded with the inner conductor 1, the inner conductor can be tightly wrapped between the first insulating layers 2, the inner conductor is prevented from entering moisture and being oxidized in the bending process, and the inner conductor is guaranteed to have good and stable transmission quality; the second insulating layer 3 is made of PE material through physical foaming, and the insulating property is kept good, so that the stability of the electric property and the high-frequency transmission property of the cable is guaranteed.
The conductive PVC shielding layer 4 is of an ultrathin structure, and the thickness of the conductive PVC shielding layer is 0.1 mm. The ultrathin conductive PVC shielding layer has a good shielding effect, so that the overall shielding efficiency of the coaxial cable is greatly improved, the transmission signal of the coaxial cable is ensured not to be influenced by external electromagnetic waves, the shielding attenuation effect is good, the leakage of the transmitted high-frequency signal is small, the energy of the high-frequency transmission signal is improved, and the transmission signal is not easily interfered and not easily causes signal distortion.
The two ends of the cable body 8 are respectively provided with a bendable connecting sleeve 7, each connecting sleeve comprises a first connecting piece 71 and a second connecting piece 72, the first connecting pieces 71 are fixed outside the outer sheath, and one ends of the first connecting pieces facing the second connecting pieces are provided with spherical connecting ends 73; the spherical connecting end is hollow, the spherical connecting end is provided with a through hole 74 for the outer sheath to pass through, the through hole is a conical hole, the aperture of the through hole towards one end of the second connecting piece is larger than that of the through hole towards the other end of the second connecting piece, and the edge of the through hole is in transitional connection with the spherical surface of the spherical connecting end through an arc surface. The cable body 8 passes through the through hole of the spherical connecting sleeve, and the arc surface at the edge of the through hole can avoid abrasion of the outer sheath of the cable connecting wire, so that the cable connecting wire can be conveniently bent randomly along with the first connecting piece. The tapered through hole can provide more space for the cable to bend.
The second connecting piece 72 is of a tubular structure, the spherical connecting end extends into the second connecting piece, and an annular limiting surface 75 is arranged at the port of the second connecting piece facing the first connecting piece; the inner diameter of the annular limiting surface is smaller than the diameter of the spherical connecting end on the first connecting piece, so that the first connecting piece 71 and the second connecting piece 72 are prevented from being separated, and the connection stability of the cable connecting line is ensured. The second connecting member 72 may be provided with a corresponding connecting structure such as a threaded structure 76 and a snap structure for connecting a coaxial connector (not shown), the coaxial connector may be an existing coaxial connector, a pin in the coaxial connector is electrically connected to an inner conductor inside the cable connection line, the second connecting member is sleeved outside the coaxial connector and is fixed integrally with the coaxial connector by a thread, and other structures and working principles of the coaxial connector are mature technologies.
The connecting sleeve 7 is arranged between the cable body 8 and the coaxial connector, and the cable body 8 penetrates through the connecting sleeve 7 to be electrically connected with the coaxial connector; the cable body 8 passes through the first connecting piece 71, the first connecting piece is fixedly connected with the cable body 8, the second connecting piece is fixedly connected with the coaxial connector, the spherical connecting end 73 on the first connecting piece can rotate inside the second connecting piece 72, when the coaxial connector and the cable body 8 need to be bent, the connecting sleeve can be bent along with the spherical connecting end, the bending part of the cable body 8 is protected, the outer sheath of the cable body 8 is prevented from cracking, potential safety hazards such as electric leakage are avoided, and the service life of the cable connecting line is prolonged.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present invention should also be considered as within the scope of the present invention.
Claims (6)
1. The utility model provides a high performance coaxial cable connecting wire, includes the cable body, and the cable body includes an inner conductor, and the inner conductor outside is equipped with insulating layer, outer shielding layer and oversheath, its characterized in that from inside to outside in proper order: a conductive PVC shielding layer is arranged between the insulating layer and the outer shielding layer; the connecting sleeves are arranged at two ends of the cable body and comprise first connecting pieces and second connecting pieces, the first connecting pieces are fixed outside the outer sheath, and one ends of the first connecting pieces facing the second connecting pieces are provided with spherical connecting ends; the second connecting piece is of a tubular structure, the spherical connecting end extends into the second connecting piece, and an annular limiting surface is arranged at the port of the second connecting piece facing the first connecting piece; the first connecting piece can rotate relative to the second connecting piece through the spherical connecting end, and the end part of the cable body penetrates through the spherical connecting end of the first connecting piece and extends into the second connecting piece.
2. A high performance coaxial cable tie as claimed in claim 1, wherein: the spherical connecting end is internally hollow, a through hole for the cable body to pass through is formed in the spherical connecting end, the through hole is a conical hole, the aperture of the through hole is larger than that of the other end of the through hole towards one end of the second connecting piece, and the edge of the through hole is in transitional connection with the spherical surface of the spherical connecting end through an arc surface.
3. A high performance coaxial cable tie as claimed in claim 1, wherein: the inner diameter of the annular limiting surface on the second connecting piece is smaller than the diameter of the spherical connecting end on the first connecting piece.
4. A high performance coaxial cable tie as claimed in claim 1, wherein: the insulating layer is divided into a first insulating layer and a second insulating layer, the first insulating layer is of a thin structure and wraps the outer side of the inner conductor, and the second insulating layer is made of PE materials through physical foaming.
5. A high performance coaxial cable tie as claimed in claim 1, wherein: the thickness of the conductive PVC shielding layer is 0.1-0.3 mm.
6. A high performance coaxial cable tie as claimed in claim 1, wherein: the outer shielding layer is composed of an aluminum-plastic composite belt and a copper wire braided belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123217251.XU CN216697943U (en) | 2021-12-20 | 2021-12-20 | High-performance coaxial cable connecting line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123217251.XU CN216697943U (en) | 2021-12-20 | 2021-12-20 | High-performance coaxial cable connecting line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216697943U true CN216697943U (en) | 2022-06-07 |
Family
ID=81840860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123217251.XU Active CN216697943U (en) | 2021-12-20 | 2021-12-20 | High-performance coaxial cable connecting line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216697943U (en) |
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2021
- 2021-12-20 CN CN202123217251.XU patent/CN216697943U/en active Active
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