CN212626127U - Cable accessory and cable assembly - Google Patents
Cable accessory and cable assembly Download PDFInfo
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- CN212626127U CN212626127U CN202021509238.4U CN202021509238U CN212626127U CN 212626127 U CN212626127 U CN 212626127U CN 202021509238 U CN202021509238 U CN 202021509238U CN 212626127 U CN212626127 U CN 212626127U
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Abstract
The utility model discloses a cable accessory and a cable component, wherein, the cable accessory comprises a crimping sleeve and a conductor connecting piece; the crimping sleeve is tubular, two ends of the crimping sleeve are respectively provided with a plugging hole for plugging the end parts of the two sections of cables, and a mounting opening is formed in the position, corresponding to the butting position of the conductors of the two sections of cables, of the crimping sleeve; the conductor connecting piece is arranged in the mounting hole and is used for connecting the conductors of the two sections of cables and the crimping sleeve with each other. The utility model discloses improved the connection structure between two sections cables, improved the current-carrying capacity of cable junction, calorific capacity of cable is little, and mechanical strength is high, has improved cable connection structure's reliability.
Description
Technical Field
The utility model relates to a cable technical field especially relates to a cable accessories and cable subassembly.
Background
The connection mode of the existing high-voltage cable splicing cable conductor generally has two types: crimping and direct welding. The two modes have the problem of poor reliability, a large interface exists between the crimped metals, the crimped metals are easily oxidized under the action of moisture and air in long-term work, heating faults are generated, the end faces of the conductors of the two connected cables are not fully connected, and the current-carrying capacity and the tensile strength are influenced, so that the reliability of the cable adopting the crimping mode is poor; the directly welded joint is short, mechanical stress is easy to concentrate, bending is not resistant, the joint is generally equal in diameter to the cable conductor, the current carrying area is small, and therefore the reliability of the cable adopting the welding mode is poor.
Therefore, how to improve the reliability of the cable connection structure becomes an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a cable accessory, which improves the reliability of cable connection.
In order to achieve the above object, the present invention provides a cable accessory for connecting two sections of cables, the cable accessory includes:
the crimping sleeve is tubular, two ends of the crimping sleeve are respectively provided with a plug hole for plugging the end parts of the two sections of cables, and a mounting opening is formed in the position, corresponding to the butt joint of the conductors of the two sections of cables, of the crimping sleeve; and
and the conductor connecting piece is arranged in the mounting hole and is used for connecting the conductors of the two sections of cables and the crimping sleeve with each other.
In one embodiment, the conductor connector is formed by melting solder filled in the mounting opening, and the solder is fixed with the conductor of the cable in a welding mode.
In one embodiment, the cross section of the mounting opening is V-shaped or U-shaped.
In one embodiment, the mounting opening is located in a middle portion of the crimp sleeve.
In one embodiment, the cross section of the crimping sleeve has a first surface wall and a second surface wall which are opposite, and the mounting opening extends from the first surface wall to the second surface wall.
In one embodiment, the material of the crimping sleeve is copper or aluminum.
In one embodiment, the material of the conductor connecting member is copper or aluminum.
In order to achieve the above object, the present invention further provides a cable assembly, including at least two segments of cables, each segment of the cables are connected to each other through the cable accessory as described above, the cable accessory includes:
the crimping sleeve is tubular, two ends of the crimping sleeve are respectively provided with a plug hole for plugging the end parts of the two sections of cables, and a mounting opening is formed in the position, corresponding to the butt joint of the conductors of the two sections of cables, of the crimping sleeve; and
and the conductor connecting piece is arranged in the mounting hole and is used for connecting the conductors of the two sections of cables and the crimping sleeve with each other.
In one embodiment, the connecting end of the cable is a bare conductor, and the conductor is provided with a connecting part, and the connecting part is connected with the conductor connecting piece of the cable accessory.
In one embodiment, the end portion of the conductor is shaped to fit the side wall of the mounting opening of the cable accessory or the side wall of the conductor connector to form the connection portion.
The technical scheme of the utility model in, because this cable accessories's crimping cover is the tubulose, the both ends of crimping cover are provided with the spliced eye that supplies two sections cable tip pegs graft respectively, and the position that corresponds the conductor butt joint of two sections cables on the crimping cover has seted up the installing port, and the conductor connecting piece is installed in the installing port and is used for the conductor and the crimping cover three interconnect with two sections cables, has improved the reliability that the cable is connected.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a cable assembly according to the present invention;
fig. 2 is a schematic structural view of a crimping sleeve in an embodiment of the cable accessory of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | |
| 100 | Crimping |
| Mounting port | |
| 200 | |
10 | Cable with a |
|
| | Plug hole | 11 | Conductor |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
In some exemplary techniques, the high voltage cable is connected to the cable conductor in two ways: crimping and direct welding. The two modes have the problem of poor reliability, a large interface exists between the crimped metals, the crimped metals are easily oxidized under the action of moisture and air in long-term work, heating faults are generated, the end faces of the conductors of the two connected cables are not fully connected, and the current-carrying capacity and the tensile strength are influenced, so that the reliability of the cable adopting the crimping mode is poor; the directly welded joint is short, mechanical stress is easy to concentrate, bending is not resistant, the joint is generally equal in diameter to the cable conductor, the current carrying area is small, and therefore the reliability of the cable adopting the welding mode is poor.
In order to improve the reliability of the cable connection structure, the utility model provides a cable accessory for connect two sections cables, especially cable, here is not limited.
Referring to fig. 1 and 2, in an embodiment of the present invention, the cable accessory includes a crimping sleeve 100 and a conductor connecting member 200; the crimping sleeve 100 is tubular, two ends of the crimping sleeve 100 are respectively provided with a plugging hole 100b for plugging the end parts of the two segments of cables 10, and the crimping sleeve 100 is provided with a mounting opening 100a corresponding to the butt joint position of the conductors 11 of the two segments of cables 10; the conductor connector 200 is installed in the installation opening 100a and serves to connect the conductor 11 of the two-piece cable 10 and the crimp sleeve 100 to each other.
Wherein, the crimping sleeve 100 can be a tubular structure with an inner diameter slightly larger than the diameter of the conductor 11 of the cable 10, so as to increase the contact area between the conductor connector 200 and the conductor 11 of the cable 10, and further increase the current-carrying area, i.e. increase the current-carrying capacity of the cable accessory, and is not easy to generate heat when the current is too large, thereby improving the stability of the cable accessory.
In the present embodiment, the material of the crimping sleeve 100 may be the same as the material of the conductor 11 of the cable 10, for example: the material of the conductor connector 200 may be the same as the material of the conductor 11 of the cable 10, the conductor connector 200 may be a single conductor, the conductor and the conductor 11 of the cable 10 may be connected by gas shielded welding or other welding methods, or may be solder directly filled in the mounting opening 100a by gas shielded welding or other welding methods (that is, the conductor connector 200 is formed by melting the solder filled in the mounting opening 100a, and the solder is welded and fixed to the conductor 11 of the cable 10), and the outer surface of the solder may be polished flat, and here, the specific structure of the conductor connector 200 is not limited.
It can be understood that the utility model discloses a setting the crimping cover 100 of this cable accessories is the tubulose, and the both ends of crimping cover 100 are provided with the spliced eye 100b that supplies two sections cable 10 tip pegs graft respectively, and the installing port 100a has been seted up to the position that corresponds the conductor 11 butt joint of two sections cables 10 on the crimping cover 100, and conductor connecting piece 200 installs in installing port 100a and is used for conductor 11 and the crimping cover 100 three interconnect with two sections cable 10 to the reliability that cable 10 connects has been improved.
Referring mainly to fig. 2, in order to increase the current-carrying capacity and reduce the heat generation of the cable accessory, in an embodiment, the cross section of the mounting opening 100a may be in a shape of "V" or "U". With this arrangement, the contact area of the conductor connector 200 in the mounting opening 100a with the conductor 11 of the cable 10 can be increased, thereby increasing the current-carrying area.
In this embodiment, the installation opening 100a may be located in the middle of the crimping sleeve 100, so as to ensure that the lengths of the exposed conductors 11 to be reserved at the connection ends of the cables 10 on both sides are consistent, thereby facilitating the processing of the connection ends of the cables 10 and improving the efficiency of production and assembly.
Further, referring mainly to fig. 2, in order to increase the contact area between the conductor connector 200 and the conductor 11 of the cable 10 as much as possible to improve the current carrying capacity of the cable accessory, in an embodiment, the cross section of the crimp sleeve 100 has a first surface wall and a second surface wall opposite to each other, and the mounting opening 100a extends from the first surface wall to the second surface wall.
It should be noted that, in some other embodiments, the mounting openings 100a and the corresponding conductor connectors 200 may be different in shape, position, and size, which are not limited herein, in consideration of convenience in manufacturing, ensuring sufficient connection strength, or increasing current-carrying capacity.
The utility model discloses still provide a cable subassembly, refer to fig. 1, this cable subassembly includes two sections at least cables 10, connects through as above cable accessories between every two sections cables 10, and the concrete structure of this cable accessories refers to above-mentioned embodiment, because the utility model provides a cable subassembly includes all schemes of all embodiments of above-mentioned cable accessories, consequently, have at least with the same technological effect of cable accessories, the explanation differs here.
In an embodiment of the present invention, the cable accessory includes a crimping sleeve 100 and a conductor connector 200; the crimping sleeve 100 is tubular, two ends of the crimping sleeve 100 are respectively provided with a plugging hole 100b for plugging the end parts of the two segments of cables 10, and the crimping sleeve 100 is provided with a mounting opening 100a corresponding to the butt joint position of the conductors 11 of the two segments of cables 10; the conductor connector 200 is installed in the installation opening 100a and serves to connect the conductor 11 of the two-piece cable 10 and the crimp sleeve 100 to each other.
In order to increase the contact area between the conductor connector 200 and the conductor 11 of the cable 10 to enhance the current carrying capability of the cable assembly, in an embodiment, referring to fig. 1, the connection end of the cable 10 is the exposed conductor 11, and the conductor 11 is provided with a connection portion, and the connection portion is connected with the conductor connector 200 of the cable accessory.
In the present embodiment, the end shape of the conductor 11 may be adapted to the shape of the side wall of the mounting opening 100a of the cable accessory or the side wall of the conductor connector 200 to form the above-described connection portion.
It should be noted that, when the cable 10 of the cable assembly is a cable, the connecting portion of two sections of cables to be connected needs to cut open the insulating layer and the semi-conducting layer to expose the conductor 11, and the end of the conductor 11 can be cut into an oblique angle to be abutted and matched with the sidewall of the conductor connector 200, so that the current carrying area can be increased, the current carrying capacity of the cable assembly is large, and the cable assembly is not prone to generate heat when a large current flows.
It can be understood that the end face of the conductor 11 of the cable assembly of the utility model can be welded together, so that the interface oxidation caused by the influence of moisture and air is not easy to occur, and the stability in long-term operation is relatively good; the sectional area of the joint is large, the current-carrying capacity is large, and the heating is not easy to occur when the current is too large; the length of the connecting structure is long, the two ends are in compression joint, the middle is welded, the dispersion of bending stress is facilitated, and the mechanical strength is relatively good.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. An electrical cable accessory for connecting two lengths of cable, the electrical cable accessory comprising:
the crimping sleeve is tubular, two ends of the crimping sleeve are respectively provided with a plug hole for plugging the end parts of the two sections of cables, and a mounting opening is formed in the position, corresponding to the butt joint of the conductors of the two sections of cables, of the crimping sleeve; and
and the conductor connecting piece is arranged in the mounting hole and is used for connecting the conductors of the two sections of cables and the crimping sleeve with each other.
2. The cable accessory according to claim 1, wherein the conductor connector is formed by melting solder filled in the mounting opening, and the solder is fixed to the conductor of the cable by fusion.
3. The cable accessory of claim 1, wherein the mounting opening is "V" shaped or "U" shaped in cross-section.
4. The cable accessory of claim 3, wherein the mounting opening is located in a middle portion of the crimp sleeve.
5. The cable accessory of claim 4, wherein the crimp sleeve has a cross-section with first and second opposing face walls, the mounting opening extending from the first face wall to the second face wall.
6. The cable accessory of claim 1, wherein the crimp sleeve is made of copper or aluminum.
7. The cable accessory of claim 2, wherein the conductor connector is copper or aluminum.
8. An electrical cable assembly comprising at least two lengths of cable, wherein each of the lengths of cable are connected by an electrical cable accessory according to any one of claims 1 to 6.
9. The cable assembly of claim 8, wherein the connecting end of the cable is a bare conductor, and the conductor is provided with a connecting portion, and the connecting portion is connected with a conductor connecting member of the cable accessory.
10. The cable assembly of claim 9, wherein the end of the conductor is shaped to fit a sidewall of the mounting opening of the cable accessory or a sidewall of the conductor connector to form the connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021509238.4U CN212626127U (en) | 2020-07-27 | 2020-07-27 | Cable accessory and cable assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021509238.4U CN212626127U (en) | 2020-07-27 | 2020-07-27 | Cable accessory and cable assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212626127U true CN212626127U (en) | 2021-02-26 |
Family
ID=74730372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021509238.4U Active CN212626127U (en) | 2020-07-27 | 2020-07-27 | Cable accessory and cable assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212626127U (en) |
-
2020
- 2020-07-27 CN CN202021509238.4U patent/CN212626127U/en active Active
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