CN215600617U - Low-voltage cable splicing structure - Google Patents
Low-voltage cable splicing structure Download PDFInfo
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- CN215600617U CN215600617U CN202121841309.5U CN202121841309U CN215600617U CN 215600617 U CN215600617 U CN 215600617U CN 202121841309 U CN202121841309 U CN 202121841309U CN 215600617 U CN215600617 U CN 215600617U
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Abstract
The utility model relates to a low-voltage cable splicing structure, which comprises: the connecting sleeve is cylindrical, the pressing piece is provided with a pair of opposite arranged pressing pieces, each pressing piece comprises a clamping plate and a spring, a space adaptive to the size of the cable is reserved between the two clamping plates, each fixing nut is of a cylindrical structure, a round hole adaptive to the size of the cable is formed in the tail of each fixing nut, fixing grippers are arranged at two ends of each connecting sleeve ring and are uniformly distributed around the axis of each connecting sleeve ring, each fixing gripper is hinged to each connecting sleeve ring, an inclined surface is arranged at the upper part and the lower part of one end of each fixing gripper, each abutting ring is a cylinder, a conical inclined surface is expanded outwards from one end, away from the connecting sleeve, in each abutting ring to one end, close to the connecting sleeve, and each abutting ring is in rotating fit with the corresponding fixing nut; the utility model solves the technical problems of low-voltage cable splicing and how to play a long-term protection role in the splicing part.
Description
Technical Field
The utility model relates to the technical field of low-voltage cable interfaces, in particular to a low-voltage cable splicing structure.
Background
In recent years, the macro policy environment of important links such as development, promotion and market supervision of the domestic low-voltage cable connector industry is gradually improved. Against the background of the rapid growth in market size and the significant increase in policy support, the popularity of the major market for medium and low voltage cable connectors is also growing. In the reconstruction and extension project of the secondary low-voltage cable of the transformer substation, the situation that the cable is not long enough and needs to be spliced can occur, and the splicing part of the cable is difficult to protect only by the traditional insulating tape, so that the low-voltage cable splicing technology is provided, the splicing part is protected for a long time, the waste of materials is prevented, and the convenience of project implementation is ensured.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, a low-voltage cable splicing structure is provided
In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows:
a low-voltage cable splicing structure comprising:
the connecting sleeve is sleeved on the cable in a working state;
the pressing pieces are provided with a pair of pressing pieces which are symmetrically arranged in opposite directions relative to the axis of the connecting sleeve, each pressing piece comprises a clamping plate and a spring for pushing the clamping plates to the central axis of the connecting sleeve, the back of each clamping plate is protruded, a spring positioning hole is formed above the back of each clamping plate, and a space adaptive to the size of a cable is reserved between the two clamping plates;
the fixing nut is of a cylindrical structure, a round hole adaptive to the size of the cable is formed in the tail of the fixing nut, and the fixing nut is connected to the connecting sleeve through threads;
the fixed grippers are arranged at two ends of the connecting sleeve ring and are uniformly distributed around the axis of the connecting sleeve ring, the fixed grippers are hinged with the connecting sleeve ring, the fixed grippers are cuboid, and inclined planes are arranged at the upper part and the lower part of one end of each fixed gripper and are used for being matched with the abutting ring and the cable;
the butt ring, the butt ring is established to the cylinder, expands out the circular cone inclined plane from the one end of keeping away from adapter sleeve in the butt ring to the one end that is close to adapter sleeve outwards, and butt ring and fixation nut normal running fit, when rotatory fixation nut, the butt ring in the fixation nut moves circular cone inclined plane and produces the power of extrusion downwards to fixed tongs, and fixed tongs hold the cable tightly, realizes fixing of cable.
Preferably, a first sliding groove is formed in the inner side of the connecting sleeve, and a first sliding rail is arranged in the direction of the clamping plate away from the axis of the connecting sleeve; the first sliding rail slides along the first sliding groove in the radial direction.
Preferably, the outer wall of the abutting ring is provided with an annular second sliding rail, the second sliding rail is collinear with the axis of the abutting ring, and the fixing nut is provided with a second sliding groove matched with the second sliding rail.
Preferably, the two ends of the connecting sleeve are also provided with first thread tracks, and one end of the fixing nut facing the direction of the connecting sleeve is provided with a second thread track which is in rotating fit with the first thread tracks.
Preferably, a plurality of first positioning holes are uniformly formed in the end portion of the connecting sleeve around the axis of the connecting sleeve, an articulated shaft is arranged in each first positioning hole, a second positioning hole which is articulated with the articulated shaft is formed in one end of each fixed gripper, and the fixed grippers rotate around the articulated shaft towards the axis direction of the connecting sleeve in the working state.
Preferably, the butt ring is provided with spacing post towards adapter sleeve's one end off-center, and the axis of spacing post is parallel with the axis of butt ring, is equipped with on the adapter sleeve and encircles the spacing hole of grafting complex with the butt.
Compared with the prior art, the utility model has the beneficial effects that:
1. the pressing piece ensures that the position of a worker relative to the cable is kept fixed during operation, the cable positions and orientations are different due to different working scenes during actual operation, and the pressing piece ensures that the structure can be temporarily fixed on the cable until the structure is manually moved by an operator no matter what scene is in the actual operation, so that the operation convenience is ensured, and the efficiency of the operator is improved.
2. According to the utility model, through the abutting ring and the fixing gripper, the connecting sleeve can be ensured to be pressed to the cable after being moved to a proper position, so that the structure is ensured to be fixed on the cable; after the cable is spliced, the protection of the splicing part is vital, the protection structure can be ensured to be fixed on the splicing part through the butting ring and the fixing hand grips, and the effect of lasting protection on the splicing part of the cable is achieved.
3. The cable fixing structure facilitates the compression and the release of the cable through the fixing nuts, after the cable is compressed, the release of the cable can be realized through loosening the fixing nuts at the two ends of the structure, and the structure is moved to carry out secondary operation on the cable without causing any damage to the cable or the structure, so that the reusability of the structure is ensured, and meanwhile, the operation flexibility is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an exploded perspective view of the present invention;
FIG. 3 is a schematic perspective view of the connecting sleeve of the present invention;
FIG. 4 is a front view of the coupling sleeve of the present invention;
FIG. 5 is a perspective view of a compression member of the present invention;
FIG. 6 is a perspective view of the fixing nut of the present invention;
FIG. 7 is a perspective view of the engagement of the fixed grip with the cable according to the present invention;
FIG. 8 is a perspective view of the abutment ring of the present invention;
the reference numbers in the figures are: 1-connecting a sleeve; 1 a-a first chute; 1 b-a first threaded track; 1 c-first positioning; 1 d-a limiting hole;
2-a pressing piece; 2 a-a spring; 2 b-splint; 2b1 — first slide rail; 2b 2-spring locating hole;
3-fixing the screw cap; 3 a-a second chute; 3 b-a second threaded track;
4, fixing the hand grip; 4 a-a hinge axis; 4 b-a second positioning hole;
5-an abutment ring; 5 a-a conical bevel; 5 b-a second slide rail; 5 c-a limiting column;
ss-cable.
Detailed Description
The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
In order to solve the problem that the cable length of the secondary low-voltage cable is not enough and needs to be spliced in the reconstruction and extension project, the following technical scheme is provided with reference to fig. 1 to 8:
a low-voltage cable splicing structure comprising:
the connecting sleeve 1 is sleeved on the cable in a working state;
the pressing piece 2 is provided with a pair of pressing pieces 2 which are symmetrically arranged in opposite directions relative to the axis of the connecting sleeve 1, each pressing piece 2 comprises a clamping plate 2b and a spring 2a for pushing the clamping plate 2b to the central axis of the connecting sleeve 1, the back of each clamping plate 2b is protruded, a positioning hole for the spring 2a is formed in the upper part of the back of each clamping plate 2b, and a space adaptive to the size ss of the cable is reserved between the two clamping plates 2 b;
the fixing nut 3 is of a cylindrical structure, a round hole adaptive to the size ss of the cable is formed in the tail of the fixing nut 3, and the fixing nut 3 is connected to the connecting sleeve 1 through threads;
the cable connector comprises a fixed hand grip 4, wherein the two ends of a connecting sleeve ring are provided with the fixed hand grip 4, the fixed hand grip 4 is uniformly distributed around the axis of the connecting sleeve ring, the fixed hand grip 4 is hinged with the connecting sleeve ring, the fixed hand grip 4 is a cuboid, and an inclined plane is arranged at the upper part and the lower part of one end of the fixed hand grip 4 and is used for being matched with a butting ring 5 and a cable ss;
the butt ring 5, the butt ring 5 is established to the cylinder, expands out circular cone inclined plane 5a from the one end of keeping away from adapter sleeve 1 in the butt ring 5 to the one end that is close to adapter sleeve 1 outwards, and 5 and 3 normal running fit of fixation nut, when rotatory fixation nut 3, 5 drive circular cone inclined plane 5a in the fixation nut 3 produce the power of extrusion downwards to fixed tongs 4, and fixed tongs 4 hold tightly the cable ss, realize the fixed of cable ss.
Specifically, the pressing piece 2 is arranged at the center of the connecting sleeve 1, and two clamping plates 2b of the pressing piece 2 are always in a clamping state on the cable ss under the action of the elastic force of the spring 2a, so that the connecting sleeve 1 is prevented from sliding to influence the operation when a worker connects the cable ss; the backs of two clamping plates 2b of the pressing piece 2 are raised, a spring 2a positioning hole is arranged above the back, a spring 2a positioning column extending towards the center of the connecting sleeve 1 is arranged on the inner wall of the connecting sleeve 1, and the spring 2a positioning hole is matched with the spring 2a positioning column to position the spring 2 a; after the worker connects the cable ss, the connecting sleeve 1 is slid to the position where the cable ss is continuously connected, the fixing nuts 3 on the two sides of the connecting sleeve 1 are rotated through threads, the fixing nuts 3 drive the abutting ring 5 to move forwards, and the conical inclined surface 5a in the abutting ring 5 applies downward extrusion force to the fixing hand grip 4, so that the fixing hand grip 4 holds the cable ss tightly, and the fixing of the connecting sleeve 1 on the cable ss is realized.
Further:
in order to solve the technical problem that the pressing piece 2 is better matched with the spring 2a and simultaneously protects the spring 2a, as shown in fig. 4 and 5, the following technical solutions are provided:
a first sliding groove 1a is formed in the inner side of the connecting sleeve 1, and a first sliding rail 2b1 is arranged in the direction of the clamping plate 2b away from the axis of the connecting sleeve 1; the first slide rail 2b1 slides radially along the first slide groove 1 a.
Specifically, the first sliding grooves 1a at the two ends of the connecting sleeve 1 are engaged with the first sliding rails 2b1 at the two ends of the clamping plate 2b in the pressing piece 2, and can slide up and down; the first sliding groove 1a and the first sliding rail 2b1 can effectively ensure the matching of the clamping plate 2b and the spring 2a, and simultaneously ensure the stability of the spring 2a, when the cable ss is inserted into the connecting sleeve 1, and the clamping plate 2b moves up and down in cooperation with the spring 2a, the friction force of the cable ss and the clamping plate 2b cannot cause the transverse deformation of the spring 2a fixed on the clamping plate 2b under the cooperation of the first sliding groove 1a and the first sliding rail 2b1, so as to damage the spring 2 a.
Further:
in order to solve the technical problem that the abutting ring 5 is fixed on the fixing nut 3, when the fixing nut 3 rotates, the abutting ring 5 can not rotate, as shown in fig. 6 and 8, the following technical solutions are provided:
the outer wall of the abutting ring 5 is provided with an annular second slide rail 5b, the axis of the second slide rail 5b is collinear with the axis of the abutting ring 5, and the fixing nut 3 is provided with a second sliding groove 3a matched with the second slide rail 5 b.
Specifically, the second chute 3a is arranged on the inner wall of the fixing nut 3 and surrounds a circle along the inner wall of the fixing nut 3, the second slide rail 5b surrounds a circle along the outer wall of the abutting ring 5 and the outer wall of the abutting ring 5, and the second chute 3a and the second slide rail 5b have the same size and are used for matching with rotation and sliding; after the workman removed adapter sleeve 1 to fixed position, rotatory fixing nut 3 drove butt ring 5 and moves forward, and when fixing nut 3 was rotatory, second slide rail 5b on the butt ring 5 and the rotatory cooperation of second spout 3a on the fixing nut 3 guaranteed that fixing nut 3 is rotatory, and butt ring 5 can not take place rotatoryly, can effectively avoid the circular cone inclined plane 5a in the butt ring 5 and fixed tongs 4 to take place the spin friction and damage fixed tongs 4 like this.
Further:
in order to solve the technical problem of fast fixing and separating the fixing nut 3 and the connecting sleeve 1, as shown in fig. 3, 4 and 6, the following technical solutions are provided:
the two ends of the connecting sleeve 1 are also provided with a first thread track 1b, and one end of the fixing nut 3 facing the connecting sleeve 1 is provided with a second thread track 3b which is rotationally matched with the first thread track 1 b.
Specifically, the first threaded rail 1b and the second threaded rail 3b are provided with mutually matched threads, when the cable ss is fixed, the fixing nut 3 is rotated, the rail threads are mutually matched, the fixing nut 3 moves inwards along with the rail, and after the cable ss is fixed, the fixing nut 3 keeps self-fixing by means of the rail threads; when the cable ss needs to be loosened, the fixing nut 3 is rotated in the opposite direction, the fixing nut 3 moves outwards on the track, and the abutting ring 5 in the fixing nut 3 simultaneously loosens the fixing hand grip 4, so that the loosening of the cable ss is realized.
Further:
in order to solve the technical problem of limiting the fixed hand grip 4 on the connection sleeve 1, as shown in fig. 4 and 7, the following technical solutions are provided:
a plurality of first positioning holes 1c are uniformly formed in the end portion of the connecting sleeve 1 around the axis of the connecting sleeve, a hinge shaft 4a is arranged in each first positioning hole 1c, a second positioning hole 4b hinged to the hinge shaft 4a is formed in one end of each fixing hand grip, and the fixing claws rotate around the hinge shaft 4a towards the axis direction of the connecting sleeve 1 in the working state.
Specifically, the fixed gripper 4 compresses tightly the side and is compressing tightly the cable ss simultaneously, and the opposite side is fixed on connecting sleeve 1 under the cooperation of articulated shaft 4a through first locating hole 1c and second locating hole 4b, and fixed gripper 4 compresses tightly side one end simultaneously and can move about from top to bottom with the help of articulated shaft 4a, when guaranteeing that fixed gripper 4 compresses tightly fast and the pine to the cable ss, and butt ring 5 can not cause the extrusion damage to fixed gripper 4.
Further:
in order to solve the technical problem that the abutment ring 5 cannot rotate when the fixing nut 3 rotates, as shown in fig. 3, 4 and 8, the following technical solutions are provided:
the butt joint ring 5 is provided with spacing post 5c towards the one end of adapter sleeve eccentrically, and the axis of spacing post 5c is parallel with the axis of butt joint ring 5, is equipped with on the adapter sleeve with 5 grafting complex spacing holes 1d of butt joint ring.
Specifically, under the cooperation of the second slide rail 5b of the abutment ring 5 and the second slide groove 3a of the fixing nut 3, the abutment ring 5 and the fixing nut 3 may rotate together due to the friction between the second slide rail 5b and the second slide groove 3 a; the workman is when the operation, and rotatory fixing nut 3 mutually supports in inserting spacing hole 1d through spacing post 5c, and when the effectual fixing nut 3 of having guaranteed was rotatory, even there is the friction between second slide rail 5b and second spout 3a and also can not drive butt joint ring 5 and take place rotatoryly, just also can not produce rotatory friction and lead to fixed tongs 4 to take place deformation between fixed tongs 4 and butt joint ring 5.
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 merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. A low-voltage cable splicing structure, comprising:
the connecting sleeve (1) is sleeved on the cable in a working state;
the cable connector comprises a pressing piece (2), wherein the pressing piece (2) is provided with a pair of clamping plates (2) and symmetrically arranged in opposite directions relative to the axis of a connecting sleeve (1), the pressing piece (2) comprises a clamping plate (2b) and a spring (2a) for pushing the clamping plate (2b) to the central axis of the connecting sleeve (1), the back of the clamping plate (2b) is protruded, a positioning hole for the spring (2a) is formed in the upper part of the back of the clamping plate, and a space adaptive to the size of a cable (ss) is reserved between the two clamping plates (2 b);
the fixing nut (3), the fixing nut (3) is a cylindrical structure, the tail of the fixing nut (3) is provided with a round hole adaptive to the size of the cable (ss), and the fixing nut (3) is connected to the connecting sleeve (1) through threads;
the cable fixing device comprises a fixing hand grip (4), wherein the fixing hand grip (4) is arranged at two ends of a connecting sleeve ring, the fixing hand grip (4) is uniformly distributed around the axis of the connecting sleeve ring, the fixing hand grip (4) is hinged with the connecting sleeve ring, the fixing hand grip (4) is a cuboid, and an inclined plane is arranged at the upper part and the lower part of one end of the fixing hand grip (4) and is used for being matched with a butting ring (5) and a cable (ss);
the butt joint ring (5), the butt joint ring (5) is established to the cylinder, expand out circular cone inclined plane (5a) to the one end that is close to adapter sleeve (1) outwards from the one end of keeping away from adapter sleeve (1) in butt joint ring (5), butt joint ring (5) and fixed nut (3) normal running fit, when rotatory fixed nut (3), butt joint ring (5) in the fixed nut (3) drive circular cone inclined plane (5a) and produce the power of extrusion downwards to fixed tongs (4), fixed tongs (4) are held tightly cable (ss), realize the fixed of cable (ss).
2. The low-voltage cable splicing structure according to claim 1, wherein a first sliding groove (1a) is formed in the inner side of the connecting sleeve (1), and a first sliding rail (2b1) is arranged in the direction of the clamping plate (2b) away from the axis of the connecting sleeve (1); the first slide rail (2b1) slides along the first slide groove (1a) in the radial direction.
3. A low-voltage cable splicing structure according to claim 1, wherein the abutting ring (5) is provided at an outer wall thereof with a second annular slide rail (5b), the second slide rail (5b) is collinear with the axis of the abutting ring (5), and the fixing nut (3) is provided with a second sliding groove (3a) which is engaged with the second slide rail (5 b).
4. A low-voltage cable splicing structure according to claim 1, wherein the connecting sleeve (1) is further provided with a first threaded rail (1b) at both ends thereof, and the fixing nut (3) is provided with a second threaded rail (3b) rotatably engaged with the first threaded rail (1b) at an end thereof facing the connecting sleeve (1).
5. A low-voltage cable splicing structure according to claim 1, wherein the end portion of the connecting sleeve (1) is provided with a plurality of first positioning holes (1c) uniformly around its axis, a hinge shaft (4a) is provided in each first positioning hole (1c), one end of the fixing hand is provided with a second positioning hole (4b) hinged to the hinge shaft (4a), and the fixing claw rotates around the hinge shaft (4a) toward the axis of the connecting sleeve (1) in an operating state.
6. A low-voltage cable splicing structure according to claim 1, wherein a limiting post (5c) is eccentrically arranged at one end of the abutting ring (5) facing the connecting sleeve, the axis of the limiting post (5c) is parallel to the axis of the abutting ring (5), and a limiting hole (1d) which is in splicing fit with the abutting ring (5) is arranged on the connecting sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121841309.5U CN215600617U (en) | 2021-08-06 | 2021-08-06 | Low-voltage cable splicing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121841309.5U CN215600617U (en) | 2021-08-06 | 2021-08-06 | Low-voltage cable splicing structure |
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| Publication Number | Publication Date |
|---|---|
| CN215600617U true CN215600617U (en) | 2022-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121841309.5U Active CN215600617U (en) | 2021-08-06 | 2021-08-06 | Low-voltage cable splicing structure |
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| CN (1) | CN215600617U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115224513A (en) * | 2022-08-17 | 2022-10-21 | 国网山东省电力公司临沭县供电公司 | High-altitude cable connecting device |
-
2021
- 2021-08-06 CN CN202121841309.5U patent/CN215600617U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115224513A (en) * | 2022-08-17 | 2022-10-21 | 国网山东省电力公司临沭县供电公司 | High-altitude cable connecting device |
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