CN209822895U - Cable structure convenient to length adjustment - Google Patents
Cable structure convenient to length adjustment Download PDFInfo
- Publication number
- CN209822895U CN209822895U CN201920738790.1U CN201920738790U CN209822895U CN 209822895 U CN209822895 U CN 209822895U CN 201920738790 U CN201920738790 U CN 201920738790U CN 209822895 U CN209822895 U CN 209822895U
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- China
- Prior art keywords
- metal
- cable
- metal pipe
- elastic
- layer
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- Expired - Fee Related
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Abstract
The utility model provides a cable structure convenient for length adjustment, which comprises a cable body and a connecting piece, wherein the cable body comprises a conductive inner core, an insulating protective layer, a metal braid layer and an outer protective layer; the middle section of the connecting piece is a hollow metal pipe, and a plurality of threaded holes are formed in the metal pipe; the threaded holes are uniformly arranged around the periphery of the metal pipe at intervals, and positioning bolts are inserted into the threaded holes; two ends of the metal tube are provided with conical hollow elastic chucks; one end of the elastic chuck, which is back to the conical surface, is fixedly connected with the end head of the metal tube; the surface of the elastic chuck is screwed with a nut; the outer surface of the elastic chuck is provided with external threads, the inner surface of the nut is provided with internal threads, and the nut is screwed on the surface of the elastic chuck through the matching of the external threads and the internal threads; the conductive inner cores of the two cable bodies respectively penetrate through the elastic chucks at the two ends and are inserted into the metal pipes in a penetrating mode, double fixation is achieved through the positioning bolts and the elastic chucks, and the cables are convenient to butt and firm in butt joint.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to a cable structure convenient to length adjustment.
Background
A cable is generally a rope-like cable made up of several or groups of conductors (at least two in each group) twisted together, with the conductors of each group being insulated from one another and often twisted around a center, and surrounded entirely by a highly insulating covering, and with the characteristics of internal current conduction and external insulation.
In the actual application of the cable, the length of the cable needs to be adjusted according to the requirements of actual conditions, when the length of the cable is insufficient, a plurality of cables are needed to realize butt joint, most of traditional joints are single in structure and are not firm in butt joint, so that after connection, the outer surface of most of joints needs to be wrapped with a thick layer of adhesive tape, the steps are complicated, and meanwhile, a large amount of resources are wasted; therefore, it is urgent for those skilled in the art to provide a cable structure which is easily and firmly butted to facilitate the length adjustment of the cable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a butt joint convenience between cable, and the firm cable structure of being convenient for length adjustment of butt joint.
In order to achieve the above purpose, the utility model provides a cable structure convenient for length adjustment, which comprises a cable body and a connecting piece, wherein the cable body comprises a conductive inner core, an insulating protective layer, a metal braid layer and an outer protective layer; the insulating protective layer is wrapped outside the conductive inner core, and the metal braid layer is wrapped outside the insulating protective layer; the outer protective layer is wrapped outside the metal braided layer;
the middle section of the connecting piece is a hollow metal pipe, and a plurality of threaded holes are formed in the metal pipe; the threaded holes are uniformly arranged around the periphery of the metal pipe at intervals, and positioning bolts are inserted into the threaded holes;
two ends of the metal pipe are provided with conical hollow elastic chucks; one end of the elastic chuck, which faces away from the conical surface, is fixedly connected with the end head of the metal tube; a nut is screwed on the surface of the elastic chuck; the outer surface of the elastic chuck is provided with an external thread, the inner surface of the nut is provided with an internal thread, and the nut is screwed on the surface of the elastic chuck through the matching of the external thread and the internal thread;
the conductive inner cores of the two cable bodies respectively penetrate through the elastic chucks at two ends and are inserted into the metal pipes in a penetrating mode, and double fixation is achieved through the positioning bolts and the elastic chucks.
Preferably, the metal braiding layer is a copper wire mesh formed by braiding copper wires.
Preferably, the outer protective layer is a rubber insulating layer.
Preferably, the length of the positioning bolt is greater than the side wall of the metal pipe and less than the radius of the section of the metal pipe.
Preferably, an insulating rubber layer is embedded in the inner ring of the connecting piece, and a copper wire braid layer is embedded between the insulating rubber layer and the connecting piece.
Preferably, the threaded holes of the metal pipe are arranged in a row, and a plurality of rows of threaded holes are formed in the surface of the metal pipe.
Preferably, the elastic chuck is formed by a plurality of metal sheets which are distributed at intervals.
Preferably, the outer surface of the connecting piece is wrapped with insulating glue.
Compared with the prior art, the utility model has the advantages that: the cable structure of the utility model comprises a cable body and a connecting piece; the connecting piece comprises a metal pipe and a connecting end head, and a positioning bolt is screwed on the metal pipe; the conductive inner core is inserted into the metal pipe and the connecting end head, the positioning bolts are screwed, and the positioning bolts around the metal pipe position the conductive inner core among the plurality of positioning bolts to realize one-time fixation; the nut on the elastic chuck is screwed afterwards, so that the elastic chuck is continuously tightened until the elastic chuck firmly clamps the cable body, and double fixation is realized; the connection mode is simple, and the double fixation is realized, so that the two cables are firmly fixed, a thick adhesive tape does not need to be wrapped between the cables and the connecting piece, the butt joint is convenient and fast, the economy is realized, and the butt joint is firmly realized in the integrated cable structure.
Drawings
Fig. 1 is a cross-sectional view of a cable structure convenient for length adjustment according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be further described below.
As shown in fig. 1, the utility model provides a cable structure convenient for length adjustment, which comprises a cable body 1 and a connecting piece 2, wherein the cable body 1 comprises a conductive inner core 11, an insulating protective layer 12, a metal braid layer 13 and an outer protective layer 14; an insulating protective layer 12 is wrapped outside the conductive inner core 11, and a metal braid layer 13 is wrapped outside the insulating protective layer 12; the metal braid 13 is wrapped with an outer protective layer 14;
the middle section of the connecting piece 2 is a hollow metal tube 21, and a plurality of threaded holes are formed in the metal tube 21; the threaded holes are uniformly arranged around the periphery of the metal pipe 21 at intervals, and positioning bolts 22 are inserted into the threaded holes;
two ends of the metal tube 21 are provided with conical hollow elastic chucks 23; one end of the elastic chuck 23, which is back to the conical surface, is fixedly connected with the end head of the metal tube 21; the elastic chuck 23 is screwed with a nut 24 on the surface; the outer surface of the elastic chuck 23 is provided with external threads, the inner surface of the nut 24 is provided with internal threads, and the nut 24 is screwed on the surface of the elastic chuck 23 through the matching of the external threads and the internal threads;
the conductive inner cores 11 of the two cable bodies 1 respectively penetrate through the elastic chucks 23 at the two ends and are inserted into the metal pipe 21, and double fixation is realized through the positioning bolt 22 and the elastic chucks 23.
In this embodiment, the cable structure of the present invention includes a cable body 1 and a connecting member 2; the connecting piece 2 comprises a metal pipe 21 and a connecting end, and a positioning bolt 22 is screwed on the metal pipe 21; the conductive inner core 11 is inserted into the metal pipe 21 and the connecting end head, the positioning bolts 22 are screwed, and the positioning bolts 22 around the metal pipe 21 position the conductive inner core 11 among the plurality of positioning bolts 22, so that one-time fixation is realized; the nut 24 on the elastic chuck 23 is screwed afterwards, so that the elastic chuck 23 is continuously tightened until the elastic chuck 23 firmly clamps the cable body 1, and double fixation is realized; its connected mode is simple to dual fixed for firmly fix between two cables, need not wrap up thick sticky tape between cable and connecting piece 2, realize that the butt joint is convenient, economic and the butt joint firmly in cable structure of an organic whole.
In this embodiment, the metal braid 13 is the copper wire mesh that the copper wire was woven and is formed, and the effectual external signal that avoids produces the influence to the cable.
In the present embodiment, the outer protective layer 14 is a rubber insulating layer.
In this embodiment, the length of the positioning bolt 22 is greater than the side wall of the metal tube 21 and less than the radius of the cross section of the metal tube 21, so as to ensure that the bolt can abut against the conductive core 11 after being screwed.
In this embodiment, an insulating rubber layer is embedded in the inner ring of the connecting member 2, and a copper wire braid is embedded between the insulating rubber layer and the connecting member 2.
In this embodiment, the metal tube 21 has a plurality of rows of screw holes on the surface thereof, with one screw hole of the metal tube 21 being a row.
In this embodiment, the collet 23 is formed by a plurality of metal sheets distributed at intervals, and when the nut 24 is screwed, the plurality of metal sheets are ensured to be gathered, so as to grasp the surface of the cable body 1, and thus, the secondary fixation is realized.
In this embodiment, the outer surface of the connecting piece 2 is wrapped with insulating glue, so that electric leakage is prevented, and the purpose of insulation is achieved.
The above description is only for the preferred embodiment of the present invention, and does not limit the present invention. Any technical personnel who belongs to the technical field, in the scope that does not deviate from the technical scheme of the utility model, to the technical scheme and the technical content that the utility model discloses expose do the change such as the equivalent replacement of any form or modification, all belong to the content that does not break away from the technical scheme of the utility model, still belong to within the scope of protection of the utility model.
Claims (8)
1. A cable structure convenient for length adjustment is characterized by comprising a cable body and a connecting piece, wherein the cable body comprises a conductive inner core, an insulating protective layer, a metal braid layer and an outer protective layer; the insulating protective layer is wrapped outside the conductive inner core, and the metal braid layer is wrapped outside the insulating protective layer; the outer protective layer is wrapped outside the metal braided layer;
the middle section of the connecting piece is a hollow metal pipe, and a plurality of threaded holes are formed in the metal pipe; the threaded holes are uniformly arranged around the periphery of the metal pipe at intervals, and positioning bolts are inserted into the threaded holes;
two ends of the metal pipe are provided with conical hollow elastic chucks; one end of the elastic chuck, which faces away from the conical surface, is fixedly connected with the end head of the metal tube; a nut is screwed on the surface of the elastic chuck; the outer surface of the elastic chuck is provided with an external thread, the inner surface of the nut is provided with an internal thread, and the nut is screwed on the surface of the elastic chuck through the matching of the external thread and the internal thread;
the conductive inner cores of the two cable bodies respectively penetrate through the elastic chucks at two ends and are inserted into the metal pipes in a penetrating mode, and double fixation is achieved through the positioning bolts and the elastic chucks.
2. The securely butted cable as in claim 1, wherein said metallic braid is a copper mesh woven with copper wires.
3. The cable construction facilitating length adjustment of claim 1, wherein the outer protective layer is a rubber insulation layer.
4. A cable structure for facilitating length adjustment according to claim 1, wherein the length of the positioning bolt is greater than the side wall of the metal pipe and less than the radius of the cross section of the metal pipe.
5. The cable structure convenient for length adjustment according to claim 1, wherein an insulating rubber layer is embedded in the inner ring of the connecting piece, and a copper wire braid layer is embedded between the insulating rubber layer and the connecting piece.
6. The cable structure for facilitating length adjustment according to claim 1, wherein the metal pipe is provided with a plurality of rows of the threaded holes on the surface thereof, with one row of the threaded holes of one turn of the metal pipe.
7. The cable structure for facilitating length adjustment of claim 1, wherein the collet is formed by a plurality of metal sheets spaced apart.
8. A cable construction as claimed in claim 1, wherein the connector is coated with an insulating adhesive on the outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920738790.1U CN209822895U (en) | 2019-05-21 | 2019-05-21 | Cable structure convenient to length adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920738790.1U CN209822895U (en) | 2019-05-21 | 2019-05-21 | Cable structure convenient to length adjustment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209822895U true CN209822895U (en) | 2019-12-20 |
Family
ID=68883781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920738790.1U Expired - Fee Related CN209822895U (en) | 2019-05-21 | 2019-05-21 | Cable structure convenient to length adjustment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209822895U (en) |
-
2019
- 2019-05-21 CN CN201920738790.1U patent/CN209822895U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 Termination date: 20210521 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |