CN212366246U - High-voltage coaxial power cable plug - Google Patents
High-voltage coaxial power cable plug Download PDFInfo
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- CN212366246U CN212366246U CN202021454677.XU CN202021454677U CN212366246U CN 212366246 U CN212366246 U CN 212366246U CN 202021454677 U CN202021454677 U CN 202021454677U CN 212366246 U CN212366246 U CN 212366246U
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- 239000004020 conductor Substances 0.000 claims abstract description 172
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 230000035882 stress Effects 0.000 abstract description 47
- 230000006355 external stress Effects 0.000 abstract description 9
- 238000009413 insulation Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a high pressure coaxial power cable plug head, hold in the palm tight device, outer conductor link fitting, outer stress awl, outer conductor detent and hold in the palm tightly device outward including inner conductor link fitting, internal stress awl, inner conductor detent. According to the utility model discloses a high pressure coaxial power cable plug head sets up inner conductor link fitting, internal stress awl, inner conductor detent and the tight device of interior support for with inner conductor and branch joint main part subassembly electric connection, set up outer conductor link fitting, external stress awl, outer conductor detent and the tight device of outer support, be used for connecting outer conductor and branch joint main part subassembly electric connection, thereby realize being equipped with the coaxial cable convenient and fast reliable of inner conductor and outer conductor and connect on branch joint main part subassembly.
Description
Technical Field
The utility model relates to a power cable plug head field, concretely relates to high-pressure coaxial power cable plug head.
Background
With the continuous development of science and technology and the continuous progress of society, the demand of society on electric power is also increasing. At present, cable power supply is a main power supply mode, power transmission has high requirements on cables, and the stable and reliable cables not only ensure the stability and reliability of power transmission, but also have important significance on the stability of life generation and the safety of people. The single-core common cable is the main type of the current cable, but during large current transmission, the single-core common cable has various problems of safety, efficiency and the like.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a high-pressure coaxial power cable plug head for coaxial power cable of twin-core.
According to the utility model discloses high-pressure coaxial power cable plug head, the cover is established on inner conductor and outer conductor for to inserting so that with branch joint main part subassembly inner conductor and outer conductor and branch joint main part subassembly electric connection include: the inner conductor connecting hardware fitting is used for electrically connecting the inner conductor with the branch joint main body assembly; the internal stress cone is arranged below the inner conductor connecting hardware fitting, sleeved outside the inner conductor and matched with the interior of the branch joint main body assembly through a conical surface; the inner conductor stopping device is sleeved on the inner conductor between the inner conductor connecting fitting and the internal stress cone and is used for limiting the insertion depth of the inner conductor and preventing the inner conductor from retreating; the internal supporting device is used for pre-tightening the internal stress cone; the outer conductor connecting hardware fitting is arranged below the internal stress cone and used for electrically connecting the outer conductor with the branch joint main body assembly; the outer stress cone is arranged below the outer conductor connecting hardware fitting, sleeved outside the outer conductor and matched with the interior of the branch joint main body assembly through a conical surface; the outer conductor stopping device is sleeved on the outer conductor between the outer conductor connecting hardware fitting and the outer stress cone and used for limiting the insertion depth of the outer conductor and preventing the outer conductor from retreating; and the outer supporting device is used for pre-tightening the outer stress cone.
According to the utility model discloses high-pressure coaxial power cable plug head has following technological effect at least: the coaxial cable connector comprises an inner conductor connecting fitting, an inner stress cone, an inner conductor stopping device and an inner supporting device, wherein the inner conductor connecting fitting, the inner stress cone, the inner conductor stopping device and the inner supporting device are used for electrically connecting an inner conductor with a branch connector main body assembly; in addition, an inner supporting device and an outer supporting device are further arranged to respectively ensure that the pressure of the inner stress cone and the pressure of the outer stress cone are constant, the inner stress cone and the outer stress cone are prevented from being loosened after aging, and an inner conductor stopping device and an outer conductor stopping device are arranged for limiting, so that the cables are stably and reliably connected to the branch joint main body assembly.
According to some embodiments of the utility model, the inner conductor detent with outer conductor detent all is cyclic annular, the branch connects the main part subassembly to be in inner conductor detent with outer conductor detent top is equipped with hole and outer hole respectively, the inner conductor bearing inner conductor detent, just inner conductor detent external diameter is greater than the hole internal diameter, the outer stress awl bearing outer conductor detent, just outer conductor detent external diameter is greater than the outer hole internal diameter.
According to some embodiments of the utility model, the inner conductor detent with outer conductor detent all is cyclic annular, the internal stress awl with the outer stress awl bearing respectively the inner conductor detent with outer conductor detent, inner conductor link fitting external diameter is greater than inner conductor detent internal diameter, outer conductor link fitting external diameter is greater than outer conductor detent internal diameter.
According to some embodiments of the utility model, interior tight device that holds in the palm is first spring, the both ends of first spring butt respectively the internal stress awl with outer conductor link fitting.
According to the utility model discloses a some embodiments, hold in the palm tight device outward and include second spring portion and tail pipe, the both ends of second spring portion butt respectively the external stress awl with the tail pipe, the tail pipe is fixed on the branch connects main part subassembly.
According to the utility model discloses a some embodiments, second spring portion includes second spring and push cylinder, the push cylinder cover is established on the outer conductor, the second spring housing is established on the push cylinder, push cylinder upper portion is equipped with the boss outwards, just push cylinder top butt the external stress awl, second spring both ends butt respectively the boss lower part with the tail pipe.
According to some embodiments of the utility model, the tail pipe with branch connects main part subassembly junction to be equipped with sealed the pad.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" 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.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "disposed on", "disposed on" or "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A high voltage coaxial power cable plug head according to an embodiment of the present invention is described below with reference to fig. 1.
According to the utility model discloses high pressure coaxial power cable plug head, the cover is established on inner conductor 101 and outer conductor 102 for to inserting so that inner conductor 101 and outer conductor 102 and branch joint main part subassembly 103 electric connection with branch joint main part subassembly 103, including inner conductor link fitting 100, internal stress awl 200, inner conductor detent 300, interior tight device 400, outer conductor link fitting 500, external stress awl 600, outer conductor detent 700 and outer tight device 800 that holds in the palm. It is conceivable that inner conductor 101 is provided with inner insulation 106, outer conductor 102 is provided with outer insulation 107, and inner conductor 101 and outer conductor 102 are coaxially arranged, and inner conductor 101, inner insulation 106, outer conductor 102 and outer insulation 107 are arranged in this order from the axis center outward.
As shown in fig. 1, the inner conductor connecting fitting 100 is used to electrically connect the inner conductor 101 with the branch joint main body component 103, and it is conceivable that the inner conductor connecting fitting 100 is provided with a conductive sheet connected with the branch joint main body component 103; the internal stress cone 200 is arranged below the inner conductor connecting fitting 100, and the internal stress cone 200 is sleeved outside the inner conductor 101 and is matched with the inside of the branch joint main body component 103 through a conical surface; the inner conductor stopper 300 is sleeved on the inner conductor 101 between the inner conductor link fitting 100 and the internal stress cone 200, and is used for limiting the insertion depth of the inner conductor 101 and preventing the inner conductor 101 from retreating; the internal bracing apparatus 400 is used to pre-tension the internal stress cone 200.
The outer conductor connecting fitting 500 is disposed below the inner stress cone 200, and is used for electrically connecting the outer conductor 102 with the branch joint main body assembly 103, and it is conceivable that a conductive sheet is disposed on the outer conductor connecting fitting 500 to be connected with the branch joint main body assembly 103; the outer stress cone 600 is arranged below the outer conductor connecting hardware tool 500, sleeved outside the outer conductor 102 and matched with the interior of the branch joint main body assembly 103 through a conical surface; the outer conductor stopper 700 is sleeved on the outer conductor 102 between the outer conductor link fitting 500 and the outer stress cone 600, and is used for limiting the insertion depth of the outer conductor 102 and preventing the outer conductor 102 from retreating; the outer tightening device 800 is used to pre-tighten the outer stress cone 600.
It is conceivable that the internal stress cone 200 and the external stress cone 600 are both sleeves having external conical surfaces, and the branch joint main body assembly 103 is provided at a corresponding position with an internal conical surface matching the external conical surface to effectively improve electric field distribution at a cable break through a geometric electrical stress control method, which is a conventional technique, and a related structure of a stress cone is described in a cable intermediate joint for rapid repair of a patent with publication number "CN 207442419U".
In some embodiments of the present invention, the inner conductor locking device 300 and the outer conductor locking device 700 are both ring-shaped, the branch joint main body assembly 103 is provided with an inner hole 104 and an outer hole 105 above the inner conductor locking device 300 and the outer conductor locking device 700, respectively, the inner conductor 101 supports the inner conductor locking device 300, and the outer diameter of the inner conductor locking device 300 is larger than the inner diameter of the inner hole 104, so the inner conductor locking device 300 cannot be inserted into the inner hole 104, and the inner conductor 101 abuts against the inner conductor locking device 300 and cannot go deep, preventing the inner conductor 101 from being inserted too deep; the outer stress cone 600 holds the outer conductor stop 700 and the outer diameter of the outer conductor stop 700 is larger than the inner diameter of the outer hole 105, so that the outer conductor stop 700 cannot be inserted into the outer hole 105 and the outer conductor 102 cannot go deep by abutting against the outer conductor stop 700, preventing the outer conductor 102 from being inserted too deep. It is contemplated that inner conductor retainer 300 and outer conductor retainer 700 are held by inner insulation layer 106 and outer insulation layer 107, respectively.
In some embodiments of the present invention, the inner conductor locking device 300 and the outer conductor locking device 700 are both ring-shaped, the inner stress cone 200 and the outer stress cone 600 respectively support the inner conductor locking device 300 and the outer conductor locking device 700, the outer diameter of the inner conductor link fitting 100 is greater than the inner diameter of the inner conductor locking device 300, the outer diameter of the outer conductor link fitting 500 is greater than the inner diameter of the outer conductor locking device 700, so the inner conductor link fitting 100 cannot pass through the inner conductor locking device 300, and the outer conductor link fitting 500 cannot pass through the outer conductor locking device 700, and the inner stress cone 200 and the outer stress cone 600 are respectively supported upwards by the inner supporting device 400 and the outer supporting device 800, which effectively prevents the inner conductor 101 and the outer conductor 102 from deviating. In addition, a cable intermediate joint for rapid repair, as disclosed in the above-mentioned patent publication No. CN207442419U, also describes the related structure of the stopping device.
In some embodiments of the present invention, the internal supporting device 400 is a first spring, and the two ends of the first spring are respectively connected to the internal stress cone 200 and the external conductor connecting fitting 500 by pressing the internal stress cone 200, so as to ensure the constant pressure of the internal stress cone 200 when the internal stress cone 200 is aged, thereby preventing the internal stress cone 200 from relaxing and affecting the performance.
In some embodiments of the present invention, the outer supporting device 800 includes a second spring portion 810 and a tail pipe 820, two ends of the second spring portion 810 respectively abut against the outer stress cone 600 and the tail pipe 820, and the outer stress cone 600 is pressed to ensure the constant pressure of the outer stress cone 600 when the outer stress cone 600 is aged, so as to prevent the outer stress cone 600 from being loosened to affect the performance; the tail pipe 820 is fixed to the branch joint body assembly 103 to perform sealing, dust-proof, water-proof, and the like, and it is conceivable that the tail pipe 820 may be fixedly attached to the branch joint body assembly 103 by bolts.
In some embodiments of the present invention, the second spring portion 810 includes a second spring 811 and a push cylinder 812, the push cylinder 812 is sleeved on the outer conductor 102, the second spring 811 is sleeved on the push cylinder 812, the upper portion of the push cylinder 812 is outwardly provided with a boss 813, the top of the push cylinder 812 abuts against the external stress cone 600, and two ends of the second spring 811 abut against the lower portion of the boss 813 and the tail pipe 820 respectively. The push tube 812 indirectly abuts against the external stress cone 600, and the upper part of the push tube 812 can be designed to be a thin plate closely attached to the external stress cone 600, so as to facilitate the design of the structural shape of the external stress cone 600 and the structural shape of the connection part of the tail tube 820 and the branch joint main body assembly 103.
In some embodiments of the present invention, the tail pipe 820 is provided with a sealing gasket at the junction with the branch joint main body assembly 103 to ensure the sealing and dust-proof and water-proof effects of the tail pipe 820.
In some embodiments of the present invention, the inner conductor link fitting 100 and the outer conductor link fitting 500 are connected to the branch joint main body assembly 103 in a mechanical connection manner without press-fitting, so as to facilitate quick insertion and extraction, which is simple and practical.
In the description herein, references to the description of the term "example," "an embodiment," or "some embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The utility model provides a high-pressure coaxial power cable plug head, the cover is established on inner conductor (101) and outer conductor (102), is used for to inserting so that with branch joint main part subassembly (103) to make inner conductor (101) and outer conductor (102) and branch joint main part subassembly (103) electric connection, its characterized in that includes:
an inner conductor connecting fitting (100) for electrically connecting the inner conductor (101) with the branch joint main body assembly (103);
the internal stress cone (200) is arranged below the inner conductor connecting hardware fitting (100), sleeved outside the inner conductor (101) and matched with the interior of the branch joint main body assembly (103) through a conical surface;
the inner conductor stopping device (300) is sleeved on the inner conductor (101) between the inner conductor connecting fitting (100) and the internal stress cone (200) and is used for limiting the insertion depth of the inner conductor (101) and preventing the inner conductor (101) from retreating;
an internal bracing device (400) for pre-bracing the internal stress cone (200);
an outer conductor connecting fitting (500) arranged below the internal stress cone (200) and used for electrically connecting the outer conductor (102) with the branch joint main body component (103);
the outer stress cone (600) is arranged below the outer conductor connecting hardware fitting (500), sleeved outside the outer conductor (102) and matched with the interior of the branch joint main body assembly (103) through a conical surface;
an outer conductor stopper (700) fitted over the outer conductor (102) between the outer conductor link fitting (500) and the outer stress cone (600) for limiting the insertion depth of the outer conductor (102) and preventing the outer conductor (102) from receding;
an outer tightening device (800) for pre-tightening the outer stress cone (600).
2. The high-voltage coaxial power cable plug according to claim 1, wherein the inner conductor retaining device (300) and the outer conductor retaining device (700) are both ring-shaped, the branch connector body assembly (103) is provided with an inner hole (104) and an outer hole (105) above the inner conductor retaining device (300) and the outer conductor retaining device (700), respectively, the inner conductor (101) supports the inner conductor retaining device (300), and the outer diameter of the inner conductor retaining device (300) is greater than the inner diameter of the inner hole (104), the outer stress cone (600) supports the outer conductor retaining device (700), and the outer diameter of the outer conductor retaining device (700) is greater than the inner diameter of the outer hole (105).
3. The high-voltage coaxial power cable plug head according to claim 1, wherein the inner conductor stopper (300) and the outer conductor stopper (700) are both ring-shaped, the inner stress cone (200) and the outer stress cone (600) support the inner conductor stopper (300) and the outer conductor stopper (700), respectively, the inner conductor connector fitting (100) has an outer diameter greater than the inner diameter of the inner conductor stopper (300), and the outer conductor connector fitting (500) has an outer diameter greater than the inner diameter of the outer conductor stopper (700).
4. The high voltage coaxial power cable plug head according to claim 1, wherein the inner tightening device (400) is a first spring, both ends of which abut the inner stress cone (200) and the outer conductor connection fitting (500), respectively.
5. The high-voltage coaxial power cable plug according to claim 1, wherein the outer tightening device (800) comprises a second spring part (810) and a tail pipe (820), both ends of the second spring part (810) abut against the outer stress cone (600) and the tail pipe (820), respectively, and the tail pipe (820) is fixed on the branch joint body assembly (103).
6. The high-voltage coaxial power cable plug head according to claim 5, wherein the second spring portion (810) comprises a second spring (811) and a push cylinder (812), the push cylinder (812) is sleeved on the outer conductor (102), the second spring (811) is sleeved on the push cylinder (812), a boss (813) is arranged on the upper portion of the push cylinder (812) in an outward direction, the top of the push cylinder (812) abuts against the outer stress cone (600), and two ends of the second spring (811) abut against the lower portion of the boss (813) and the tail pipe (820) respectively.
7. The high-voltage coaxial power cable plug according to claim 5, wherein the tail tube (820) is provided with a sealing gasket at the connection with the branch joint body assembly (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021454677.XU CN212366246U (en) | 2020-07-21 | 2020-07-21 | High-voltage coaxial power cable plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021454677.XU CN212366246U (en) | 2020-07-21 | 2020-07-21 | High-voltage coaxial power cable plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212366246U true CN212366246U (en) | 2021-01-15 |
Family
ID=74131389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021454677.XU Active CN212366246U (en) | 2020-07-21 | 2020-07-21 | High-voltage coaxial power cable plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212366246U (en) |
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2020
- 2020-07-21 CN CN202021454677.XU patent/CN212366246U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 410000 No. 223, tongzipo West Road, Lugu Industrial Park, high tech Development Zone, Changsha, Hunan Patentee after: Long Cable Technology Group Co.,Ltd. Country or region after: China Address before: No.223, tongzipo West Road, Lugu Industrial Park, high tech Development Zone, Changsha City, Hunan Province, 410205 Patentee before: CHANGLAN CABLE ACCESSORIES Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |