Utility model content
The purpose of this utility model is to provide a kind of simple structure, low cost, cable branch joint easy for installation.
For achieving the above object, this utility model provides cable branch joint, to connect at least three of the cables, including
One insulation branch head, a middle conducting element, at least three crimp type terminals and at least three conductive shielding parts.Open on middle conducting element
It is provided with least three spliced eyes.The core of each crimp type terminal and a cable end piece is fixed together and is installed on grafting
In hole, wherein crimp type terminal is provided with locking structure with spliced eye cooperation.The two ends of each conductive shielding part are respectively fitted over centre and lead
In the major insulation of stream part and a cable end piece.Insulation branch head be coated at least three conductive shielding parts, a middle conducting element and
At least in the major insulation of three of the cables end.
Preferably, the crimp type terminal, middle conducting element, between cable core and the conductive shielding part filled with partly leading
Isoelectric substance.This can make not forming cavity between conductive shielding part and the core of cable end piece, prevent the aggregation of water or aqueous vapor, so as to
Avoid causing the sliding sudden strain of a muscle in transition joint inside or the generation of breakdown fault.
Preferably, the semiconducting species are semiconductive self-adhesive tape.
Preferably, the crimp type terminal has the holding parts of crimp barrel and crimp barrel connection, and the holding parts are matched somebody with somebody with spliced eye
Conjunction is formed with the locking structure, and the crimp barrel is enclosed within the core of the cable end piece and is crimped together to press with core
Connecting terminal is fixed together with the core of cable end piece.
Preferably, the crimp type terminal is provided with the passage in the central axial direction of edge cylinder connected with crimp barrel.
Preferably, the holding parts are at least grab that protrudes out of crimp barrel one end of the crimp type terminal, the centre
Draw-in groove is offered on the inwall of the spliced eye of conducting element, the grab is fastened togather to form the locking structure with the draw-in groove.
Preferably, the grab at least two, the crimp barrel of the crimp type terminal has protruded outward internals, and described interior
Part is located between some grabs, and between the internals and grab elastomer is provided with.
Preferably, it is provided with resilient metal member between the spliced eye inwall and crimp type terminal of the middle conducting element and passes through
Resilient metal member carries out water conservancy diversion.
Preferably, the resilient metal member is elastic fingertip.
Preferably, connected by watchband between crimp type terminal and middle conducting element
Preferably, insulation branch's head and the conductive shielding part and middle conducting element it is prefabricated together with.
Preferably, the conductive shielding part is conductive shield pipe.
Preferably, the conductive shield pipe is rubber conductive shield pipe..
As described above, this utility model cable branch joint is by least three crimp type terminals and the line of respective cable end
Core connects and is inserted in respectively in the middle of corresponding the electric connection of realization at least three of the cables end in the spliced eye of conducting element, passes through
The locking structure that crimp type terminal and spliced eye coordinate prevents crimp type terminal to be separated with middle conducting element, by conductive shielding part
Two ends are respectively fitted in the major insulation of middle conducting element and a cable end piece realizes shielding, and insulation branch head is coated at least three
Conductive shielding part, a middle conducting element and at least realize integral insulation in the major insulation of three of the cables end.This utility model electricity
Cable branch joint simple structure, it is easily installed and uses, it is safe and reliable, and low cost.
Specific embodiment
To describe technology contents of the present utility model, structural features in detail, purpose and effect being realized, below in conjunction with enforcement
Mode simultaneously coordinates accompanying drawing to be explained in detail.
Fig. 1 and Fig. 2 is referred to, this utility model cable branch joint is to connect at least three of the cables, including an insulation
Branch 10, a middle conducting element 20, at least three crimp type terminals 30 and at least three conductive shielding parts 40.
At least three spliced eyes 21 are offered on middle conducting element 20.Each crimp type terminal 30 and cable end piece 50
Core 51 is fixed together and is installed in spliced eye 21, and wherein crimp type terminal 30 is provided with locking knot with the cooperation of spliced eye 21
Structure.The two ends of each conductive shielding part 40 are respectively fitted in the major insulation 52 of the cable end piece 50 of middle conducting element 20 and.Insulation
Branch 10 is coated at least three conductive shielding parts 40, a middle conducting element 10 and at least major insulation of three of the cables end 50
On 52.
Preferably, the crimp type terminal 30, middle conducting element 10, the core 51 of cable end piece 50 and conductive shielding part 40 it
Between be filled with semiconducting species 60.This can make not forming cavity between the core 51 of conductive shielding part 40 and cable end piece 50, hinder
The aggregation of sealing or aqueous vapor, so as to avoid causing the sliding sudden strain of a muscle in branch joint inside or the generation of breakdown fault.In the present embodiment, half
Conductive materials 60 are semiconductive self-adhesive tape, and certainly, semiconducting species 60 can also be other any things for playing semiconductive effect
Matter and carrier format.
In the present embodiment, crimp type terminal 30 has a holding parts that crimp barrel 31 and crimp barrel 31 connect, the holding parts with
Spliced eye 21 has cooperatively formed the locking structure, and the crimp barrel 31 is enclosed within the core 51 of cable end piece 50 and presses with core 51
It is connected together to be fixed together crimp type terminal with the core of cable end piece.
As further improvement of this embodiment, some cards that holding parts are protruded out for one end of crimp barrel 31 of crimp type terminal 30
Hook 32.Offer draw-in groove 22 on the inwall of the spliced eye 21 of middle conducting element 20, grab 32 and the draw-in groove 22 are fastened togather shape
Into locking structure, this can prevent crimp type terminal 30 from coming off from spliced eye 21.
Locking structure in this utility model is not limited to said structure, for example can be with convex in the inwall of spliced eye 21
Catching groove is set on the holding parts for stretching cam, crimp type terminal, and cam engages to form locking structure with catching groove, it is every in spliced eye 21
The equal of latch functions that what wall and crimp type terminal were formed can play can be with.
In the present embodiment, grab 32 at least two, the crimp barrel of crimp type terminal 30 has protruded outward internals 33, and interior
Part 33 is located between some grabs 32, and elastomer 34 is provided between internals 33 and grab 32.In crimp type terminal 30 is inserted in
Between conducting element 10 spliced eye 21 in when, the inside extruding elastomer 34 under the extruding of the inwall of spliced eye 21 of grab 32, until grab
32 when being snapped in draw-in groove 22, and elastomer 34 replys extruding grab 32 makes grab 32 be immobilizated in draw-in groove 22, and this can further prevent
Only crimp type terminal 30 comes off from spliced eye 21, increases fixing effect.
In the present embodiment, the free end of internals 33 has protruded out convex portion 331 towards grab 32, and the convex portion 331 is prevented from
Elastomer 34 comes off.
In the present embodiment, crimp type terminal 30 is provided with the passage in the central axial direction of edge cylinder connected with crimp barrel 31
35。
As further improvement of this embodiment, the inwall of spliced eye 21 of the middle conducting element 20 and crimp type terminal 30 it
Between be provided with resilient metal member 70 and water conservancy diversion carried out by resilient metal member 70, this can strengthen crimp type terminal 30 with middle conducting element
20 electric connection intensity, it is ensured that reliable to be electrically connected with.The preferred elasticity fingertip of resilient metal member 70.
As further improvement of this embodiment, connected by watchband between crimp type terminal 30 and middle conducting element 20.
As further improvement of this embodiment, the insulation branch 10 and conductive shielding part 40 and middle conducting element 20
It is prefabricated wherein offering at least three through holes 11 in insulation branch 10, at through hole 11 stress cone to be provided with together, with
Cable end piece and crimp type terminal are passed through when just installing, and complete prefabricated in factory, and cable end piece and pressure connection terminal are carried out at the construction field (site)
Son is crimped and inserted in the spliced eye 21 of middle conducting element 20, and process is simple is easy for installation.
In the present embodiment, conductive shielding part 40 be conductive shield pipe, conductive shield pipe preferred rubber conductive shield pipe.
As further improvement of this embodiment, outside insulation branch 10 screen layer 70 is provided with.
In sum, this utility model cable branch joint is by least three crimp type terminals 30 and respective cable end 50
Core 51 connect and be inserted in respectively in the middle of corresponding in the spliced eye 21 of conducting element 20 and realize at least three of the cables end 50
It is electrically connected with, the locking structure coordinated with spliced eye 21 by crimp type terminal 30 prevents crimp type terminal 30 with the middle phase of conducting element 20
Separate, be respectively fitted in the major insulation 52 of the cable end piece 50 of middle conducting element 20 and by the two ends of conductive shielding part 40 and realized
Shielding, insulation branch 10 is coated at least three conductive shielding parts 40, middle conducting element 20 and at least three of the cables end 50
Major insulation 52 on realize integral insulation.This utility model cable branch joint simple structure, it is easily installed and uses, safely may be used
Lean on, and low cost.
This utility model is not limited to above-mentioned specific embodiment, and those skilled in the art can also make accordingly
Various changes, but any be equal to this utility model or similar change should all cover model in this utility model claim
In enclosing.