CN209016677U - A kind of cable intermediate joint - Google Patents
A kind of cable intermediate joint Download PDFInfo
- Publication number
- CN209016677U CN209016677U CN201821709768.6U CN201821709768U CN209016677U CN 209016677 U CN209016677 U CN 209016677U CN 201821709768 U CN201821709768 U CN 201821709768U CN 209016677 U CN209016677 U CN 209016677U
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- layer
- insulating layer
- cable
- concave groove
- repair layer
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Abstract
The utility model discloses a kind of cable intermediate joint, cable intermediate joint includes two cable connector ends, and each cable connector end successively cuts from tip side end to another extreme direction and forms from inside to outside the successively exposed conoid end for having conductor, interior semi-conductive layer, insulating layer and outer semiconducting layer.The outer surface of insulating layer forms an at least concave groove.Interior semiconductive repair layer, the outer Integral melting of the insulating layer of two cable connectors is connected to insulation repair layer, repair layer its melt when with insulating layer welding that insulate incorporates the concave groove of insulating layer, the insulating layer and insulation repair layer for not only making cable connector end have biggish welding area, and insulation repair layer is entered in the concave groove of insulating layer, which enhance the degree of being completely embedded and bonding strength of the insulating layer at cable connector end and insulation repair layer, in addition, the concave groove of insulating layer can eliminate the active interface being easy to produce during heat welded, transition joint dielectric is avoided to puncture, extend the service life of cable intermediate joint.
Description
Technical field
The utility model relates to a kind of cable intermediate joints.
Background technique
When conventional power cable transition joint makes, insulated end portions must be whittled into cone, form reagency cone, and Lai Tigao connects
The performance of head.But transition joint, when carrying out continued access recovery, the insulated end portions cone and moulded cable accessory are by environment and people
To be affected, it is easy to produce active interface, waterproof seal is poor, is easy layering, product at transition joint when cable being caused to run
Tired charge leads to transition joint dielectric breakdown caused by the distortion of insulating layer internal field, shortens cable service life.
Utility model content
The main purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of simple process, insulation it is reliable,
The even closer cable intermediate joint of welding.
To achieve the above object, the utility model uses following technical scheme:
A kind of cable intermediate joint, including two cable connector ends, each cable connector end is from tip side end to another
One extreme direction, which is successively cut, forms from inside to outside the successively exposed cone for having conductor, interior semi-conductive layer, insulating layer and outer semiconducting layer
Shape end, the outer surface of the insulating layer form an at least concave groove, wherein the conductor at a cable connector end with it is another described
The conductor at cable connector end, which is electrically connected, is electrically connected head, and the electric connection head is naked with two cable connector ends
Dew conductor is coated with interior semiconductive repair layer, and the both ends of the interior semiconductive repair layer are respectively in two cable connector ends half
Conductive layer overlap joint, the interior semiconductive repair layer, two cable connectors the outer Integral melting of insulating layer be connected to insulation repair layer, wherein
Described insulation repair layer its melt when with insulating layer welding incorporates the concave groove of insulating layer, and the insulation repair layer is coated with
Outer semiconductive repair layer, the both ends of the outer semiconductive repair layer are overlapped with the outer semiconducting layer at two cable connector ends respectively.
Preferably, the concave groove in the shape of a spiral, circular or circular hole.
Preferably, the concavity rooved face is rough surface.
Preferably, the surface that the insulation repair layer is docked with the insulating layer of cable connector is convexly equipped with and the cable connector
Insulating layer the corresponding convex architecture of concave groove.
Preferably, the insulation repair layer is two double of structure of prefabricated forming, described two prefabricated formings, double of structure difference
It is correspondingly sleeved on outside the insulating layer of the interior semiconductive repair layer, two cable connectors.
Preferably, the interior semiconductive repair layer, insulation repair layer it is integral prefabricated with outer semiconductive repair layer together with and
Form two docking prefabricated components.
As described above, the outer surface of the insulating layer at the cable connector end of the utility model cable intermediate joint forms at least one
Concave groove, described insulation repair layer its melt when with insulating layer heat welded incorporate the concave groove of insulating layer, not only make electricity
The insulating layer and insulation repair layer at cable joint end have biggish welding area, and insulation repair layer is made to enter the recessed of insulating layer
In shape slot, which enhance the degree of being completely embedded and bonding strength of the insulating layer at cable connector end and insulation repair layer, and insulate
The concave groove of layer can eliminate the active interface being easy to produce during heat welded, and transition joint dielectric is avoided to puncture,
Extend the service life of cable intermediate joint.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the utility model cable intermediate joint after conductor connection；
Fig. 2 is the cross section structure schematic diagram of cable intermediate joint shown in Fig. 1.
Specific embodiment
It elaborates below to a kind of embodiment of intermediate joint of electric cable insulating layer reparation of the utility model.It answers
It should be, it is emphasized that following the description be only exemplary, rather than in order to limit the scope of the utility model and its application.
Fig. 1 and Fig. 2 are please referred to, the utility model cable intermediate joint includes two cable connector ends, and each cable connects
Head end 10 successively cuts to be formed from tip side end to another extreme direction successively exposed from inside to outside has conductor 11, interior semi-conductive layer
12, the conoid end of insulating layer 13 and outer semiconducting layer 14.
The outer surface of insulating layer 13 forms an at least concave groove 131, concave groove 131 can in the shape of a spiral, circular or circle
Poroid, 131 surface of concave groove is preferably rough surface, and rough surface can further improve welding tightness.
Wherein the conductor 11 at the conductor 11 at a cable connector end 10 and another cable connector end 10 is electrically connected shape
At head 15 is electrically connected, the bare exposed conductor 11 for being electrically connected head 15 and two cable connector ends 10 is coated with interior semiconductive repair layer
20, the both ends of interior semiconductive repair layer 20 are overlapped with the interior semi-conductive layer 12 at two cable connector ends 10 respectively, interior semiconductive reparation
Layer 20, two cable connector 10 the outer Integral melting of insulating layer 13 be connected to insulation repair layer 30, wherein insulate repair layer 30 with insulation
Its melt incorporates the concave groove 131 of insulating layer 13 when 13 welding of layer.Insulation repair layer 30 is coated with outer semiconductive repair layer 40,
The both ends of outer semiconductive repair layer 40 are overlapped with the outer semiconducting layer 14 at two cable connector ends 10 respectively.
As further improvement of this embodiment, what the insulation repair layer 30 was docked with the insulating layer 13 of cable connector 10
Surface is convexly equipped with convex architecture corresponding with the concave groove 131 of insulating layer 13 at the cable connector end 10.
As further improvement of this embodiment, the insulation repair layer 30 be two double of structure of prefabricated forming, described two
Double of structure of prefabricated forming, which respectively corresponds, to be socketed in outside the insulating layer 13 of the interior semiconductive repair layer 20, two cable connectors 10.
As further improvement of this embodiment, the interior semiconductive repair layer 20, insulation repair layer 30 and outer semiconductive
Repair layer 40 it is integral prefabricated together and formed two docking prefabricated components.
In conclusion the outer surface of the insulating layer 13 at the cable connector end 10 of the utility model cable intermediate joint formed to
A few concave groove 131, described insulation repair layer 30 its melt when with 13 heat welded of insulating layer incorporate the concavity of insulating layer 13
Slot 131 not only makes the insulating layer 131 at cable connector end 10 and insulation repair layer 30 have biggish welding area, but also makes
The repair layer 30 that insulate enters in the concave groove 131 of insulating layer 13, and which enhance insulating layer 13 and the insulation at cable connector end 10 to repair
The degree of being completely embedded and bonding strength of cladding 30, and the concave groove 131 of insulating layer 13 can eliminate appearance during heat welded
The active interface being also easy to produce avoids transition joint dielectric from puncturing, extends the service life of cable intermediate joint.
The above content is specific/preferred embodiment further detailed description of the utility model is combined, no
It can assert that the specific implementation of the utility model is only limited to these instructions.For the common skill of the utility model technical field
For art personnel, without departing from the concept of the premise utility, the embodiment that these have been described can also be made
Some replacements or modifications, and these substitutions or variant all shall be regarded as belonging to the protection scope of the utility model.
Claims (8)
1. a kind of cable intermediate joint, it is characterised in that: including two cable connector ends, each cable connector end is from tip side
End successively cuts to be formed to another extreme direction successively exposed from inside to outside to be had conductor, interior semi-conductive layer, insulating layer and partly leads outside
The conoid end of electric layer, the outer surface of the insulating layer form an at least concave groove, wherein the conductor at a cable connector end with
The conductor at another cable connector end, which is electrically connected, is electrically connected head, and the electric connection head connects with two cables
The bare exposed conductor of head end is coated with interior semiconductive repair layer, the both ends of the interior semiconductive repair layer respectively with two cable connectors
The interior semi-conductive layer overlap joint at end, the interior semiconductive repair layer, two cable connectors the outer Integral melting of insulating layer be connected to insulation and repair
Layer, wherein described insulation repair layer its melt when with insulating layer welding incorporates the concave groove of insulating layer, the insulation repair layer
It is coated with outer semiconductive repair layer, the both ends of the outer semiconductive repair layer outer semiconducting layer with two cable connector ends respectively
Overlap joint.
2. cable intermediate joint according to claim 1, it is characterised in that: the concave groove is in the shape of a spiral.
3. cable intermediate joint according to claim 1, it is characterised in that: the concave groove is annular in shape.
4. cable intermediate joint according to claim 1, it is characterised in that: the concave groove is in circular hole.
5. cable intermediate joint according to claim 1, it is characterised in that: the concavity rooved face is rough surface.
6. cable intermediate joint according to claim 1, it is characterised in that: it is described insulation repair layer and cable connector it is exhausted
The surface of edge layer docking is equipped with convex architecture corresponding with the concave groove of the insulating layer of the cable connector.
7. cable intermediate joint according to claim 1, it is characterised in that: the insulation repair layer is two prefabricated formings pair
Half structure, it is described two it is prefabricated forming double of structure respectively correspond be socketed in the interior semiconductive repair layer, two cable connectors it is exhausted
Outside edge layer.
8. cable intermediate joint according to claim 1, it is characterised in that: the interior semiconductive repair layer, insulation are repaired
Together with layer is integral prefabricated with outer semiconductive repair layer and form two docking prefabricated components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821709768.6U CN209016677U (en) | 2018-10-22 | 2018-10-22 | A kind of cable intermediate joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821709768.6U CN209016677U (en) | 2018-10-22 | 2018-10-22 | A kind of cable intermediate joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209016677U true CN209016677U (en) | 2019-06-21 |
Family
ID=66839457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821709768.6U Active CN209016677U (en) | 2018-10-22 | 2018-10-22 | A kind of cable intermediate joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209016677U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256743A (en) * | 2018-10-22 | 2019-01-22 | 深圳市沃尔核材股份有限公司 | A kind of cable intermediate joint and attaching method thereof |
-
2018
- 2018-10-22 CN CN201821709768.6U patent/CN209016677U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256743A (en) * | 2018-10-22 | 2019-01-22 | 深圳市沃尔核材股份有限公司 | A kind of cable intermediate joint and attaching method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200825 Address after: 518000 Second Floor of Phase III Workshop of Lanjingbei Road, Longtian Street, Pingshan District, Shenzhen City, Guangdong Province Co-patentee after: Shenzhen Woer Heat-shrinkable Material Co.,Ltd. Patentee after: Shenzhen Wal Electric Power Technology Co.,Ltd. Address before: 518118 Wool Industrial Park, Lanjing North Road, Longtian Street, Pingshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Woer Heat-shrinkable Material Co.,Ltd. |