CN209461993U - A kind of cable intermediate joint - Google Patents
A kind of cable intermediate joint Download PDFInfo
- Publication number
- CN209461993U CN209461993U CN201821680046.2U CN201821680046U CN209461993U CN 209461993 U CN209461993 U CN 209461993U CN 201821680046 U CN201821680046 U CN 201821680046U CN 209461993 U CN209461993 U CN 209461993U
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- connecting portion
- engaging portion
- transition
- diameter
- intermediate joint
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Abstract
The utility model provides a kind of cable intermediate joint, including ontology, the fixation hole that axial direction runs through ontology is provided on ontology, the both ends of fixation hole are adapted with through its internal cable, fixation hole is identical as the central axes of ontology, ontology includes insulating end and semiconductor end, and insulating end and semiconductor end are integrally formed；Insulating end includes first connecting portion, First Transition portion and the first engaging portion, diameter of the diameter of first connecting portion less than the first engaging portion, First Transition portion connects first connecting portion and the first engaging portion, from the first engaging portion to first connecting portion, its diameter is gradually become smaller in First Transition portion, semiconductor end includes second connecting portion, the second transition part and the second engaging portion, diameter of the diameter of second connecting portion less than the second engaging portion, second transition part connects second connecting portion and the second engaging portion, and from the second engaging portion to second connecting portion, its diameter gradually becomes smaller the second transition part；The cable intermediate joint structure is simple, property easy to use, safe is strong.
Description
Technical field
The utility model relates to field of cables, in particular to a kind of cable intermediate joint.
Background technique
With popularizing for power cable engineering, cable fault rate also increases therewith.And a host of facts prove, these failures are worked as
In, most cable fault is related with cable accessory, especially the failure rate highest of the transition joint of cable.Due to two electricity
The tie point of cable is easiest to peak voltage occur, and peak voltage is likely to puncture cable connector, causes cable fault.Now such as
The cooperation of stress cone and insulating layer is usually used to weaken peak voltage in the present, reduces accident rate.In the prior art, electric power
The insulation tube of cable intermediate joint and stress cone are individual individuals, and when installation need to successively be installed separately, time-consuming and laborious, the same to time-division
The non-gradient distribution of the unit for electrical property parameters of vertical stress cone is easy to appear the problem of same cable outer semiconducting layer forms contact heating.
If be easy to causeing shelf depreciation in addition, stress cone is not close with insulation tube combination, the effect of installing and using of cable is influenced, is pacified
Full performance is poor.Cable used in distribution electric system at present is mostly all using buried.But actual use after mounting
In the process, due to a variety of causes such as capital construction, cable fault, cable intermediate joint quality accident, mechanical external force damages, cause
The damage or destruction of cable or cable intermediate joint and cause to have a power failure, therefore be badly in need of repairing.During repairing, electricity is needed replacing
Cable transition joint, and structure is complicated for existing cable intermediate joint, installation and replacement are inconvenient.In conclusion in existing cable
Between joint structure is complicated, inconvenient to use, poor safety performance.
Utility model content
Based on this, it is necessary to provide the cable intermediate joint that a kind of structure is simple, performance easy to use, safe is high.
The utility model embodiment provides a kind of cable intermediate joint, including ontology, and axial side is provided on the ontology
To the fixation hole for running through the ontology, the fixation hole is identical with the central axes of the ontology, the ontology include insulating end with
Semiconductor end, the insulating end and the semiconductor end are integrally formed.
Preferably, the insulating end includes first connecting portion, First Transition portion and the first engaging portion, the first connecting portion
Diameter be less than the diameter of first engaging portion, the First Transition portion connects the first connecting portion and the first engaging portion,
From the first engaging portion to first connecting portion, its diameter is gradually become smaller in the First Transition portion.
Preferably, the first connecting portion, First Transition portion and the first engaging portion are along the central axes direction of the ontology
Length ratio is 1-5:2-4:2-4.
Preferably, the semiconductor end includes second connecting portion, the second transition part and the second engaging portion, second connection
The diameter in portion is less than the diameter of second engaging portion, and second transition part connects the second connecting portion and second and combines
Portion, from the second engaging portion to second connecting portion, its diameter gradually becomes smaller second transition part.
Preferably, the second connecting portion, the second transition part and the second engaging portion are along the central axes direction of the ontology
Ratio is 1-5:2-4:2-4.
Preferably, the insulating end includes the first engaging portion, and the semiconductor end includes the second engaging portion, first knot
The outer diameter and inner diameter of conjunction portion and second engaging portion is all identical, and first engaging portion and the second engaging portion are integrally formed.
Preferably, the insulating end includes first connecting portion and First Transition portion, the first connecting portion and described first
Transition part is integrally formed, and the outer diameter of the first connecting portion is constant to its free end with the junction in the First Transition portion from it
Or it gradually becomes smaller；Or/and
The semiconductor end includes second connecting portion and the second transition part, the second connecting portion and second transition part
Be integrally formed, the outer diameter of the second connecting portion it is constant from its junction with second transition part to its free end or by
Gradual change is small.
Preferably, the insulating end and the semiconductor end are mutually overlapping in the two junction.
Preferably, the position that the insulating end is connect with the semiconductor end is formed with the first concave station, the semiconductor end
Be formed with the second concave station matched with first concave station, first concave station mutually overlapped with second concave station it is Chong Die,
Surfaces externally and internally all flush with each other of the insulating end and semiconductor end junction.
Preferably, the insulating end is insulation silica gel end, and the semiconductor end is electric silica gel end.
The utility model, for being homogenized electric field, it is existing to weaken spike by the way that integrally formed insulating end and semiconductor end is arranged
As the problems in distortion collection, structure is simple, easy to use, safe and practical.
Detailed description of the invention
It is more particularly described by the preferred embodiment in the utility model shown in the drawings, the above and other mesh of the utility model
, feature and advantage will become more fully apparent.Identical appended drawing reference indicates identical part in all the attached drawings, and does not carve
Meaning draws attached drawing by actual size equal proportion scaling, it is preferred that emphasis is shows this purport.
Fig. 1 is the overall structure figure of the cable intermediate joint of the utility model；
Fig. 2 is the sectional view of the cable intermediate joint of the utility model.
Specific embodiment
Technical solutions of the utility model are described in further detail in the following with reference to the drawings and specific embodiments, so that this
The technical staff in field can better understand the utility model and can be practiced, but illustrated embodiment is not as practical to this
Novel restriction.
As depicted in figs. 1 and 2, the utility model embodiment provides a kind of cable intermediate joint, including ontology, sets on ontology
It is equipped with the fixation hole 10 that axial direction runs through ontology, the tie point of the core of two cables is placed in fixation hole 10.Fixation hole 10
Both ends be adapted with through its internal cable, the tie point of two cable cores is placed in the middle part of fixation hole 10, two electricity
Cable extends through the both ends of fixation hole 10.Fixation hole 10 is identical as the central axes of ontology, makes the effect of transition joint homogenizing electric field
More preferably.Ontology includes insulating end 1 and semiconductor end 2, and insulating end 1 and semiconductor end 2 are integrally formed.Make ontology that there is stress cone
Function has the function of being homogenized electric field, reduces distortion, and while installing and using is more convenient.
In a preferred embodiment, insulating end 1 includes first connecting portion 11, First Transition portion 12 and the first engaging portion 13, the
The diameter of one interconnecting piece 11 keeps the difference in height between first connecting portion 11 and cable smaller less than the diameter of the first engaging portion 13,
Insulating tape convenient to use fixes insulating end 1 with cable.First Transition portion 12 connects first connecting portion 11 and the first engaging portion
13, from the first engaging portion 13 to first connecting portion 11, its diameter is gradually become smaller in First Transition portion 12, and gradually transition can be reduced abnormal
Change and spike, enhance the safety of transition joint.First connecting portion 11, First Transition portion 12 and the first engaging portion 13 are along ontology
The ratio in central axes direction is 1-5:2-4:2-4.Make having a safety feature for the transition joint, and is conveniently fixedly connected with cable.
In a preferred embodiment, semiconductor end 2 includes second connecting portion 21, the second transition part 22 and the second engaging portion 23.
The diameter of second connecting portion 21 keeps the difference in height between second connecting portion and cable smaller less than the diameter of the second engaging portion 23,
Insulating tape convenient to use fixes insulating end 1 with cable.Second transition part 22 connects second connecting portion 21 and the second engaging portion
23, from the second engaging portion 23 to second connecting portion 21, its diameter gradually becomes smaller the second transition part 22.Second connecting portion 21, the second mistake
Crossing the ratio of portion 22 and the second engaging portion 23 along the central axes direction of the ontology is 1-5:2-4:2-4.Make the transition joint
It has a safety feature, and is conveniently fixedly connected with cable.
In a preferred embodiment, the outer diameter and inner diameter of the first engaging portion 13 and the second engaging portion 23 is all identical, and first combines
Portion 13 and the second engaging portion 23 are integrally formed.It is completely embedded it, without gap, distortion and the spike of voltage is reduced, improves peace
Full performance.
In a preferred embodiment, first connecting portion 11 and First Transition portion 12 are integrally formed.It is completely embedded it, is not stitched
Gap reduces distortion and the spike of voltage, improves security performance.Company of the outer diameter of first connecting portion 11 from itself and First Transition portion 12
The place of connecing to its free end is constant or gradually becomes smaller.Facilitate and be fixedly connected with first connecting portion 11 with corresponding cable, together
When can reduce distortion and spike, improve safety.
In a preferred embodiment, second connecting portion 21 and the second transition part 22 are integrally formed.It is completely embedded it, is not stitched
Gap reduces distortion and the spike of voltage, improves security performance.Company of the outer diameter of second connecting portion 21 from itself and the second transition part 22
The place of connecing to its free end is constant or gradually becomes smaller.Facilitate and be fixedly connected with second connecting portion 21 with corresponding cable, together
When can reduce distortion and spike, improve safety.
In a preferred embodiment, the voltage class through the cable of fixation hole 10 is bigger, insulating end 1 and semiconductor end 2
Length is longer.To guarantee the stability of the cable intermediate joint, keep its security performance more preferable.Insulating end 1 is insulation silica gel end, partly
Conductor end 2 is electric silica gel end, and further, electric silica gel is by nickel coated copper powder, and the conductive particles such as silver powder are evenly distributed on silicon
In glue, conductive particle is contacted by pressure, reach good electric conductivity, main function is sealing and electromagnetic shielding.Silicon
Glue material matter facilitates molding, and has certain elasticity, and toughness is also advantageous.Cable intermediate joint is manufactured using silica gel, makes centre
The performance of connector is more preferable.The insulating materials of other materials and semiconductor material can certainly be used to be fabricated.
In a preferred embodiment, the free end at insulating end 1 and semiconductor end 2 is all in smooth setting, reduces distortion and spike
Voltage, safety are more preferable.
With reference to Fig. 2, in a preferred embodiment, insulating end 1 and semiconductor end 2 are mutually overlapping in the two junction, play
The effect crossed and connected, further, the position that insulating end 1 is connect with semiconductor end 2 are formed with the first concave station 130, insulating end 1
It is formed with the second concave station 230 matched with the first concave station 130, the first concave station 130 is Chong Die with the mutual overlap joint of the second concave station 230,
Surfaces externally and internally all flush with each other of 1 junction of semiconductor end 2 and insulating end.Insulating end 1 is different with the color at semiconductor end 2,
Convenient for user's differentiation.
In use, firstly, will wherein cable penetration transition joint, the core of two cables is linked together,
And the cable intermediate joint is adjusted, make the tie point of two cables and the link position of the first engaging portion 13 and the second engaging portion 23
It is corresponding；Then, first connecting portion 11 and corresponding cable are fixed with insulating tape, by second connecting portion 21 and and its
Corresponding cable is fixed；Finally, wrapping up one layer of shielded layer, external one layer of the package of shielded layer in the external of the cable intermediate joint
Waterproof layer.
The utility model, for being homogenized electric field, it is existing to weaken spike by the way that integrally formed insulating end and semiconductor end is arranged
As the problems in distortion collection, structure is simple, easy to use, safe and practical.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of cable intermediate joint, including ontology, the fixation hole that axial direction runs through the ontology is provided on the ontology,
The fixation hole is identical as the central axes of the ontology, which is characterized in that the ontology includes insulating end and semiconductor end, described
Insulating end and the semiconductor end are integrally formed.
2. cable intermediate joint as described in claim 1, which is characterized in that the insulating end includes first connecting portion, first
Transition part and the first engaging portion, the diameter of the first connecting portion are less than the diameter of first engaging portion, the First Transition
Portion connects the first connecting portion and the first engaging portion, the First Transition portion its diameter from the first engaging portion to first connecting portion
It gradually becomes smaller.
3. cable intermediate joint as claimed in claim 2, which is characterized in that the first connecting portion, First Transition portion and
Length ratio of one engaging portion along the central axes direction of the ontology is 1-5:2-4:2-4.
4. cable intermediate joint as described in claim 1, which is characterized in that the semiconductor end includes second connecting portion,
Two transition parts and the second engaging portion, the diameter of the second connecting portion are less than the diameter of second engaging portion, second mistake
It crosses portion and connects the second connecting portion and the second engaging portion, it is straight from the second engaging portion to second connecting portion for second transition part
Diameter gradually becomes smaller.
5. cable intermediate joint as claimed in claim 4, which is characterized in that the second connecting portion, the second transition part and
Ratio of two engaging portions along the central axes direction of the ontology is 1-5:2-4:2-4.
6. cable intermediate joint as described in claim 1, which is characterized in that the insulating end includes the first engaging portion, described
Semiconductor end includes the second engaging portion, and the outer diameter and inner diameter of first engaging portion and second engaging portion is all identical, described
First engaging portion and the second engaging portion are integrally formed.
7. cable intermediate joint as described in claim 1, which is characterized in that the insulating end includes first connecting portion and first
Transition part, the first connecting portion and the First Transition portion are integrally formed, the outer diameter of the first connecting portion from its with it is described
The junction in First Transition portion to its free end is constant or gradually becomes smaller；Or/and
The semiconductor end includes second connecting portion and the second transition part, and the second connecting portion and second transition part are integrated
Molding, the outer diameter of the second connecting portion is constant from its junction with second transition part to its free end or gradually becomes
It is small.
8. cable intermediate joint as described in claim 1, which is characterized in that the insulating end and the semiconductor end are in the two
Junction is mutually overlapping.
9. cable intermediate joint as claimed in claim 8, which is characterized in that the insulating end is connect with the semiconductor end
Position is formed with the first concave station, and the semiconductor end is formed with the second concave station matched with first concave station, and described first
Concave station mutually overlaps Chong Die with second concave station, and the surfaces externally and internally of the insulating end and semiconductor end junction is all mutual
Concordantly.
10. cable intermediate joint as described in claim 1, which is characterized in that the insulating end is silica gel end of insulating, described half
Conductor end is electric silica gel end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821680046.2U CN209461993U (en) | 2018-10-16 | 2018-10-16 | A kind of cable intermediate joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821680046.2U CN209461993U (en) | 2018-10-16 | 2018-10-16 | A kind of cable intermediate joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209461993U true CN209461993U (en) | 2019-10-01 |
Family
ID=68036750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821680046.2U Active CN209461993U (en) | 2018-10-16 | 2018-10-16 | A kind of cable intermediate joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209461993U (en) |
-
2018
- 2018-10-16 CN CN201821680046.2U patent/CN209461993U/en active Active
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