CN215896833U - Straight-through joint for power cable - Google Patents
Straight-through joint for power cable Download PDFInfo
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- CN215896833U CN215896833U CN202122240050.5U CN202122240050U CN215896833U CN 215896833 U CN215896833 U CN 215896833U CN 202122240050 U CN202122240050 U CN 202122240050U CN 215896833 U CN215896833 U CN 215896833U
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Abstract
The utility model belongs to the field of electric power, and particularly relates to a straight-through connector for a power cable, which comprises a high-voltage cable and a connecting assembly; a port of the high-voltage cable is provided with a connecting component; the high-voltage cable comprises a wire core, an insulating layer, a shielding layer and a protective layer; the connecting assembly comprises a bottom clamping plate, a top clamping plate, a rubber insulating block, a screw and a nut; connecting grooves are formed in the middle parts of the bottom clamping plate and the top clamping plate, a rubber insulating block is slidably mounted in each connecting groove, a plurality of connecting holes are formed in each rubber insulating block, high-voltage cables are slidably mounted in the middle parts of two ends of the bottom clamping plate and the top clamping plate, the wire cores are slidably mounted in the connecting holes, the ends of the wire cores at two ends are welded, a plurality of screw rods are fixedly connected to two sides of the top surface of the bottom clamping plate, the screw rods slidably penetrate through the top clamping plate, and nuts are mounted on the outer rings of the top of the screw rods in a threaded mode; outside rainwater and dust are prevented from entering the connecting assembly, and the operation quality of the power supply system is improved.
Description
Technical Field
The utility model relates to the field of electric power, in particular to a straight-through connector for a power cable.
Background
The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater; high voltage cable joints are components in cable lines that are used to connect two lengths of cable, and long circuits must connect two or more lengths of cable together, requiring a straight-through joint.
Due to the requirement of cable laying, when the distance is long, a cable joint is often used as a connecting medium, the stability of the cable joint directly influences the operation quality of a power supply system, a high-voltage cable erected in the air is influenced by rainwater, dust and the like in the air, the conventional straight joint is easy to break, leak electricity and the like, and the safety of a circuit is seriously threatened; therefore, a through-joint for a power cable is proposed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a straight-through joint for a power cable, aiming at solving the problems that the high-voltage cable erected in the air is influenced by rainwater, dust and the like in the air, the existing straight-through joint is easy to break, leak electricity and the like, and the safety of a circuit is seriously threatened.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a straight-through joint for a power cable, which comprises a high-voltage cable and a connecting assembly; a port of the high-voltage cable is provided with a connecting component;
the high-voltage cable comprises a wire core, an insulating layer, a shielding layer and a protective layer; the outer ring of the wire core is fixedly connected with an insulating layer, a protective layer is sleeved outside the insulating layer, and a shielding layer is filled between the protective layer and the insulating layer;
the connecting assembly comprises a bottom clamping plate, a top clamping plate, a rubber insulating block, a screw and a nut; the connecting groove is formed in the middle of each of the bottom clamping plate and the top clamping plate, the rubber insulating block is slidably mounted inside the connecting groove, a plurality of connecting holes are formed in the rubber insulating block, high-voltage cables are slidably mounted in the middle of the two ends of each of the bottom clamping plate and the top clamping plate, the cable cores are slidably mounted inside the connecting holes, the two ends of each cable core are welded at the ends, a plurality of screw rods are fixedly connected to the two sides of the top surface of each bottom clamping plate, the screw rods penetrate through the top clamping plate in a sliding mode, and nuts are mounted on the outer rings of the top of the screw rods in a threaded mode.
Preferably, a plurality of mounting grooves are all seted up with the bottom surface of top splint to the top surface of bottom splint, the circular slot is seted up to the inner wall of mounting groove, the inside slidable mounting support column of circular slot, the sealed clamp ring of inside slidable mounting of mounting groove, the top of support column and the bottom surface rigid coupling of sealed clamp ring, the bottom outer lane rigid coupling clamping ring of support column, a plurality of slide openings are seted up to the clamping ring, a plurality of slide bars of outer lane rigid coupling of circular slot, the outer lane of slide bar and the inner circle sliding fit of slide opening, a plurality of first springs of bottom surface rigid coupling of clamping ring, the bottom of first spring and the bottom surface rigid coupling of circular slot, the inner circle cover of first spring is at the outer lane of slide bar.
Preferably, both ends of the mounting groove are fixedly connected with limiting grooves, a plurality of guide rods are fixedly connected inside the limiting grooves, both ends of the sealing clamping ring are fixedly connected with sliding plates, the sliding plates are provided with a plurality of guide holes, the sliding plates are in sliding fit with the limiting grooves, inner rings of the guide holes are in sliding fit with outer rings of the guide rods, the bottom surface of the sliding plate is fixedly connected with a plurality of second springs, the bottom ends of the second springs are fixedly connected with the bottom surfaces of the limiting grooves, and inner rings of the second springs are sleeved on outer rings of the guide rods.
Preferably, a plurality of fixed slots are formed in the two sides of each connecting slot, a plurality of fixed plates are fixedly connected to the two sides of each rubber insulating block, and the fixed plates are fixed inside the fixed slots through screws.
Preferably, the top surface of bottom splint and the bottom surface of top splint all set up the seal groove, the inside bonding sealing gasket of seal groove.
Preferably, both ends of spread groove all rigid coupling keep off the ring, the inside slidable mounting insulation cover of connecting hole, the inside and the sinle silk sliding fit of insulation cover.
The utility model has the advantages that:
1. the high-voltage cable is clamped by the bottom clamping plate and the top clamping plate, the wire core is inserted into the connecting hole and is welded, the bottom clamping plate and the top clamping plate are fixedly clamped by screwing the nut, and the high-voltage cable is fixedly connected, so that the high-voltage cable is prevented from being influenced by rainwater, dust and the like in the air, the electric leakage at the joint of the high-voltage cable is prevented, the danger is caused, and the operation quality of a power supply system is improved;
2. the sealing clamp ring is extruded by the high-voltage cable, so that the sealing clamp ring slides into the mounting groove, the supporting column is pushed to the inside of the circular groove, the pressing ring is driven to slide along the sliding rod to extrude the first spring, meanwhile, the sealing clamp ring drives the sliding plate to slide in the limiting groove, the sliding plate extrudes the second spring, the reaction force generated by compression of the first spring and the second spring pushes the sealing clamp ring to extrude the outer wall of the high-voltage cable, the high-voltage cable is clamped and sealed tightly, and external rainwater and dust are prevented from entering the connecting assembly;
3. the wire core that peels off high tension cable through the insulating bush is sealed and isolated inside coupling assembling, has avoided establishing ties between the sinle silk to take place danger, has improved coupling assembling's overall security.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the connecting assembly of the present invention;
FIG. 3 is a front cross-sectional view of the present invention;
FIG. 4 is a side cross-sectional view of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 3 at A;
FIG. 6 is an enlarged view of a portion of FIG. 3 at B;
fig. 7 is a partially enlarged view at C in fig. 4.
In the figure: 1. a high voltage cable; 101. a wire core; 201. a bottom clamping plate; 202. a top clamping plate; 203. connecting grooves; 204. a rubber insulating block; 205. connecting holes; 206. a screw; 207. a nut; 208. mounting grooves; 209. a circular groove; 210. a support pillar; 211. a sealing clamp ring; 212. pressing a ring; 213. a slide bar; 214. a first spring; 215. a limiting groove; 216. a guide bar; 217. a slide plate; 218. a second spring; 219. fixing grooves; 220. a fixing plate; 221. a sealing groove; 222. a gasket; 223. a baffle ring; 224. and an insulating sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a through connector for power cables includes a high voltage cable 1 and a connecting assembly; a connecting component is arranged at the port of the high-voltage cable 1;
the high-voltage cable 1 comprises a wire core 101, an insulating layer, a shielding layer and a protective layer; the outer ring of the wire core 101 is fixedly connected with an insulating layer, a protective layer is sleeved outside the insulating layer, and a shielding layer is filled between the protective layer and the insulating layer;
the connecting assembly comprises a bottom clamping plate 201, a top clamping plate 202, a rubber insulating block 204, a screw 206 and a nut 207; connecting grooves 203 are formed in the middle parts of the bottom clamping plate 201 and the top clamping plate 202, a rubber insulating block 204 is slidably mounted in each connecting groove 203, a plurality of connecting holes 205 are formed in each rubber insulating block 204, high-voltage cables 1 are slidably mounted in the middle parts of two ends of the bottom clamping plate 201 and the top clamping plate 202, the cable cores 101 are slidably mounted in the connecting holes 205, the ends of the cable cores 101 at two ends are welded, a plurality of screw rods 206 are fixedly connected to two sides of the top surface of the bottom clamping plate 201, the screw rods 206 slidably penetrate through the top clamping plate 202, and nuts 207 are mounted on the outer ring threads of the tops of the screw rods 206; through bottom splint 201 and top splint 202 clip high tension cable 1, insert inside the connecting hole 205 with sinle silk 101 to weld sinle silk 101, screw up nut 207, with bottom splint 201 and top splint 202 fixed clamp tightly, thereby carry out fixed connection with high tension cable 1, avoided high tension cable 1 to receive influences such as rainwater and dust in the air, cause high tension cable 1 junction to take place the electric leakage and cause danger, then improved power supply system's operating quality.
As an embodiment of the utility model, the top surface of the bottom splint 201 and the bottom surface of the top splint 202 are both provided with a plurality of mounting grooves 208, the inner wall of each mounting groove 208 is provided with a circular groove 209, a support column 210 is slidably mounted inside the circular groove 209, a sealing clamping ring 211 is slidably mounted inside the mounting groove 208, the top end of the support column 210 is fixedly connected with the bottom surface of the sealing clamping ring 211, the outer ring of the bottom of the support column 210 is fixedly connected with a press ring 212, the press ring 212 is provided with a plurality of slide holes, the outer ring of the circular groove 209 is fixedly connected with a plurality of slide rods 213, the outer ring of the slide rods 213 is in sliding fit with the inner ring of the slide holes, the bottom surface of the press ring 212 is fixedly connected with a plurality of first springs 214, the bottom ends of the first springs 214 are fixedly connected with the bottom surface of the circular groove 209, and the inner rings of the first springs 214 are sleeved on the outer rings of the slide rods 213; extrude sealed clamp ring 211 through high tension cable 1, make sealed clamp ring 211 slide in inside mounting groove 208, promote support column 210 to the inside of circular slot 209, drive clamping ring 212 and slide along slide bar 213 and extrude first spring 214, make the reaction force that first spring 214 compression produced, make sealed clamp ring 211 extrude high tension cable 1's outer wall, thereby press from both sides high tension cable 1 tightly, seal high tension cable 1's outer lane simultaneously, outside rainwater and dust have then been avoided getting into inside the coupling assembling.
As an embodiment of the present invention, both ends of the mounting groove 208 are fixedly connected with a limiting groove 215, the inside of the limiting groove 215 is fixedly connected with a plurality of guide rods 216, both ends of the sealing clamping ring 211 are fixedly connected with a sliding plate 217, the sliding plate 217 is provided with a plurality of guide holes, the sliding plate 217 is in sliding fit with the limiting groove 215, inner rings of the guide holes are in sliding fit with outer rings of the guide rods 216, the bottom surface of the sliding plate 217 is fixedly connected with a plurality of second springs 218, the bottom ends of the second springs 218 are fixedly connected with the bottom surface of the limiting groove 215, and inner rings of the second springs 218 are sleeved on the outer rings of the guide rods 216; drive slide 217 at the inside slip of spacing groove 215 through sealed clamp ring 211 for slide 217 extrudees second spring 218, and the reaction force that the compression of second spring 218 produced promotes sealed clamp ring 211 and extrudes high tension cable 1's outer wall, thereby further presss from both sides tight sealedly to high tension cable 1's outer lane, and then further avoided outside rainwater and dust to get into inside the coupling assembling.
As an embodiment of the present invention, two sides of the connecting groove 203 are both provided with a plurality of fixing grooves 219, two sides of the rubber insulating block 204 are both fixedly connected with a plurality of fixing plates 220, and the fixing plates 220 are fixed inside the fixing grooves 219 by screws; fix fixed plate 220 in fixed slot 219 through the screw for rubber insulation block 204 fixes in connecting groove 203, thereby has avoided rubber insulation block 204 to take place to rock, makes the sinle silk 101 of connecting take place to rock then, causes the unstability of power supply.
In one embodiment of the present invention, a sealing groove 221 is formed on both the top surface of the bottom plate 201 and the bottom surface of the top plate 202, and a gasket 222 is bonded inside the sealing groove 221; through sealed pad 222 of seal groove 221 installation, seal the gap between bottom splint 201 and the top splint 202 and block to inside further having avoided external rainwater and dust to get into coupling assembling, better protection sinle silk 101's connection security then.
As an embodiment of the present invention, both ends of the connecting groove 203 are fixedly connected with the baffle rings 223, the inside of the connecting hole 205 is slidably mounted with the insulating sleeve 224, and the inside of the insulating sleeve 224 is slidably fitted with the wire core 101; the sinle silk 101 of peeling off high tension cable 1 through insulating cover 224 keeps apart for sealed isolation is carried out at the inside sinle silk 101 of coupling assembling, thereby has avoided establishing ties between sinle silk 101 to take place danger, has then improved coupling assembling's whole security.
The working principle is that the wire core 101 of the high-voltage cable 1 is stripped, the outer ring of the wire core 101 is sleeved with the insulating sleeve 224, the wire core 101 is respectively inserted into the connecting holes 205 formed in the rubber insulating block 204, the wire cores 101 at two ends are welded together, the fixing plate 220 is fixed in the fixing groove 219 by using screws, the top clamping plate 202 is covered on the top surface of the bottom clamping plate 201, the screw rod 206 penetrates through the holes at two sides of the top clamping plate 202, the nut 207 is screwed on the top of the screw rod 206, and the nut 207 is screwed;
the top clamping plate 202 is close to the bottom clamping plate 201 under the extrusion of the nut 207, the high-voltage cable 1 extrudes the sealing clamping ring 211, so that the sealing clamping ring 211 slides into the mounting groove 208, the supporting column 210 is pushed to the inside of the circular groove 209, the pressing ring 212 is driven to slide along the sliding rod 213 to extrude the first spring 214, meanwhile, the sealing clamping ring 211 drives the sliding plate 217 to slide in the limiting groove 215, the sliding plate 217 extrudes the second spring 218, the reaction force generated by the compression of the first spring 214 and the second spring 218 pushes the sealing clamping ring 211 to extrude the outer wall of the high-voltage cable 1, and the high-voltage cable 1 is clamped and sealed; inside having avoided external rainwater and dust to get into coupling assembling, the connection security of better protection sinle silk 101 has improved power supply system's operating quality.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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 utility model. 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.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (6)
1. A through connector for power cables is characterized in that: comprises a high-voltage cable (1) and a connecting component; a port of the high-voltage cable (1) is provided with a connecting component;
the high-voltage cable (1) comprises a wire core (101), an insulating layer, a shielding layer and a protective layer; an insulating layer is fixedly connected to the outer ring of the wire core (101), a protective layer is sleeved outside the insulating layer, and a shielding layer is filled between the protective layer and the insulating layer;
the connecting assembly comprises a bottom clamping plate (201), a top clamping plate (202), a rubber insulating block (204), a screw rod (206) and a nut (207); connecting groove (203) are all seted up with the middle part of top splint (202) in bottom splint (201), inside slidable mounting rubber insulating block (204) of connecting groove (203), a plurality of connecting holes (205) are seted up in rubber insulating block (204), equal slidable mounting high tension cable (1) in the middle part of the both ends of bottom splint (201) and top splint (202), sinle silk (101) slidable mounting is in the inside of connecting hole (205), both ends the end welding between sinle silk (101), a plurality of screw rods (206) of the equal rigid coupling in top surface both sides of bottom splint (201), screw rod (206) slide and run through top splint (202), top outer lane screw thread mounting nut (207) of screw rod (206).
2. A feedthrough for a power cable as recited in claim 1, wherein: the top surface of the bottom splint (201) and the bottom surface of the top splint (202) are both provided with a plurality of mounting grooves (208), a circular groove (209) is arranged on the inner wall of the mounting groove (208), a supporting column (210) is slidably mounted in the circular groove (209), a sealing clamping ring (211) is slidably arranged in the mounting groove (208), the top end of the supporting column (210) is fixedly connected with the bottom surface of the sealing clamping ring (211), the bottom outer ring of the supporting column (210) is fixedly connected with a press ring (212), the press ring (212) is provided with a plurality of slide holes, the outer ring of the circular groove (209) is fixedly connected with a plurality of sliding rods (213), the outer ring of each sliding rod (213) is in sliding fit with the inner ring of each sliding hole, the bottom surface rigid coupling of clamping ring (212) a plurality of first springs (214), the bottom of first spring (214) and the bottom surface rigid coupling of circular slot (209), the outer lane at slide bar (213) is overlapped to the inner circle of first spring (214).
3. A feedthrough for a power cable as recited in claim 2, wherein: the two ends of the mounting groove (208) are fixedly connected with limiting grooves (215), the inside of each limiting groove (215) is fixedly connected with a plurality of guide rods (216), the two ends of the sealing clamp ring (211) are fixedly connected with sliding plates (217), the sliding plates (217) are provided with a plurality of guide holes, the sliding plates (217) are in sliding fit with the limiting grooves (215), the inner rings of the guide holes are in sliding fit with the outer rings of the guide rods (216), the bottom surface of each sliding plate (217) is fixedly connected with a plurality of second springs (218), the bottom ends of the second springs (218) are fixedly connected with the bottom surfaces of the limiting grooves (215), and the inner rings of the second springs (218) are sleeved on the outer rings of the guide rods (216).
4. A feedthrough for a power cable as recited in claim 1, wherein: a plurality of fixing grooves (219) are formed in the two sides of the connecting groove (203), a plurality of fixing plates (220) are fixedly connected to the two sides of the rubber insulating block (204), and the fixing plates (220) are fixed inside the fixing grooves (219) through screws.
5. A feedthrough for a power cable as recited in claim 1, wherein: the top surface of bottom splint (201) and the bottom surface of top splint (202) all set up seal groove (221), the inside bonding sealing gasket (222) of seal groove (221).
6. A feedthrough for a power cable as recited in claim 1, wherein: both ends of connecting groove (203) all the rigid coupling keep off ring (223), the inside slidable mounting insulating cover (224) of connecting hole (205), the inside and sinle silk (101) sliding fit of insulating cover (224).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122240050.5U CN215896833U (en) | 2021-09-14 | 2021-09-14 | Straight-through joint for power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122240050.5U CN215896833U (en) | 2021-09-14 | 2021-09-14 | Straight-through joint for power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215896833U true CN215896833U (en) | 2022-02-22 |
Family
ID=80471157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122240050.5U Active CN215896833U (en) | 2021-09-14 | 2021-09-14 | Straight-through joint for power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215896833U (en) |
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2021
- 2021-09-14 CN CN202122240050.5U patent/CN215896833U/en active Active
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