One kind insulation inner cone socket and bus connecting device
Technical field
It the utility model is related to electrical equipment technical field, more particularly to a kind of insulation inner cone socket and busbar connection dress
Put.
Background technology
GIS switchgears are due to having the advantages that small, reliability is high, less by ectocine and be widely used in power grid
In construction, in actual use, it is often necessary to use the series connection of multiple GIS switchgears and cabinet, generally use connector connects two cabinets
The galvanic circle of body, it is therefore desirable to set corresponding insulated receptacle to be used for connectors on cabinet, realize adjacent switch cabinet
The connection of busbar.And according to the size of operating voltage, insulated receptacle needs certain creepage distance to ensure Electrical Safety, existing
In technology, usually insulated receptacle axial dimension is increased or sets full skirt to increase creepage distance, but its applicable voltage model
Enclose smaller, therefore, it is necessary to for above-mentioned problems of the prior art, there is provided a kind of technical solution is to solve the above problems.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of inner cone socket and busbar with increment structure
Attachment device.
Technical solution is used by the utility model solves above-mentioned technical problem:
A kind of insulation inner cone socket is provided, it includes insulator and center conductor, and the insulator is led along the center
Body is wrapped circumferentially around outside the center conductor, and the insulator includes the first increment structure, the second increment structure and the 3rd increases
Away from structure, described first increases square structure along the axially extending of the insulator, and the second increment structure is along the insulator
Radially extend, the 3rd increment structure is circumferentially provided on the insulator outside surface along the insulator.
As the improvement of above-mentioned technical proposal, the first increment structure takes the shape of the letter U along the section of the insulator radial direction, right
Should U-shaped opening formed for wiring connection jaws.
Further as above-mentioned technical proposal is improved, and the second increment structure is a tablet, the second increment knot
The position of structure is corresponding with the connection jaws.
Further as above-mentioned technical proposal is improved, and the 3rd increment structure is umbrella skirt construction, including some along institute
State the shirt rim that insulator is radially arranged.
Further as above-mentioned technical proposal is improved, and inner cone jack, the center conductor are provided with the insulator
One end be located in the inner cone jack, the inner cone jack includes the first circular conical surface and the second circular conical surface, first circular cone
The cone angle in face is less than the cone angle of second circular conical surface.
Further as above-mentioned technical proposal is improved, and one end of the insulator is provided with fixed disk, the fixed disk
On be provided with some mounting holes, the mounting hole along the insulation rounded array of body axis in the fixed side surface, each
Inserted num is both provided with the mounting hole.
Further as above-mentioned technical proposal is improved, and consolidating for fixed center conductor is additionally provided with the insulator
Determine portion, the fixed position extends from the inner cone jack bottom to aperture direction in the inner cone jack.
A kind of bus connecting device is additionally provided, it includes connector and above-mentioned insulation inner cone socket, the connector
Including at least two inserted terminals, the inserted terminal is respectively used to and the insulation inner cone socket grafting.
The beneficial effects of the utility model are:
A kind of insulation inner cone socket of the utility model, it includes insulator and center conductor, and insulator is all along center conductor
To being wrapped in outside center conductor, insulator includes the first increment structure, the second increment structure and the 3rd increment structure, and first increases
Square structure is along the axially extending of insulator, the second increment structure radially extending along insulator, and the 3rd increment structure is along insulator
Be circumferentially provided on insulator outside surface, the setting of the first increment structure, the second increment structure and the 3rd increment structure, effectively
The creepage distance at insulation inner cone socket both ends is added, electrical safety can be strengthened, while can also expand insulation inner cone socket
The voltage scope of application, is selected easy to the switchgear of multiple voltage specification.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used briefly describes:
Fig. 1 is the schematic perspective view of the utility model insulation inner cone socket one embodiment;
Fig. 2 is the sectional view of embodiment illustrated in fig. 1;
Fig. 3 is the view in one direction of embodiment illustrated in fig. 1.
Embodiment
Carried out below with reference to the technique effect of the design of embodiment and attached drawing to the utility model, concrete structure and generation
Clearly and completely describe, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is the part of the embodiment of the utility model, rather than whole embodiments, the embodiment based on the utility model, the skill of this area
The other embodiment that art personnel are obtained without creative efforts, belongs to the model of the utility model protection
Enclose.In addition, all connection/connection relations arrived involved in patent, not singly refer to component and directly connect, and refer to can be according to specific
Performance, by adding or reducing couple auxiliary, to form more preferably draw bail.In the utility model it is involved it is upper,
Under, the orientation such as left and right description be only for the mutual alignment relation of each part of the utility model in attached drawing.
Each technical characteristic in the utility model, can be with combination of interactions on the premise of not conflicting conflict.
One embodiment of the utility model is a kind of insulation inner cone socket, and insulation inner cone socket is typically mounted on switch
On cabinet, for and during cabinet with aerial lug grafting so that adjacent switchgear realizes circuit communication.
With reference to figure 1, Fig. 1 is the schematic perspective view of the utility model insulation inner cone socket one embodiment;The present embodiment is exhausted
Edge inner cone socket includes insulator 1 and center conductor 2, and insulator 1 is wrapped circumferentially around outside the center conductor along center conductor 2
Portion, insulator 1 include being used for the increment structure for increasing creepage distance, specifically include the first increment structure 11, the second increment structure
12 and the 3rd increment structure 13, first increases square structure 11 along the axially extending of insulator 1, and the second increment structure 12 is along insulator 1
Radially extend, the 3rd increment structure 13 is circumferentially provided on insulator outside surface along insulator 1.
Inner cone jack 14 is additionally provided with insulator 1, the inserted terminal 21 of center conductor 2 is located in inner cone jack 14, insulation
One end of body 1 is provided with fixed disk 15, is provided with some mounting holes 151 on the fixed disk 15, and mounting hole 151 is along insulator 1
The rounded array of axis is both provided with inserted num in 15 end face of fixed disk, each mounting hole 151, for passing through screw threads for fastening
Part is fixed on switchgear.
Fig. 2 is the sectional view of embodiment illustrated in fig. 1, and Fig. 3 is the view in one direction of embodiment illustrated in fig. 1, with reference to
Fig. 1~3, the first increment structure 11 take the shape of the letter U along the section of 1 radial direction of insulator, and the opening of the corresponding U-shaped is formed for wiring
Connection jaws 111.Second increment structure 12 is a tablet, and the position of the second increment structure 12 is corresponding with above-mentioned connection jaws 111.The
Three increment structures 13 are umbrella skirt construction, including some shirt rims radially arranged along insulator 1.
Inner cone jack 14 includes the first circular conical surface 141 and the second circular conical surface 142, the coning angle of first circular conical surface 141
Cone angle of the degree less than the second circular conical surface 142.
The fixed part 16 for fixed center conductor 2 is additionally provided with insulator 1, which is located at inner cone jack 14
It is interior, and extend from the bottom of inner cone jack 14 to aperture direction, one end 21 of center conductor is stretched out from the fixed part, so as to connecting
Connect device electric connection.
The setting of above-mentioned increment structure (the first increment structure 11, the second increment structure 12 and the 3rd increment structure 13), has
The creepage distance at insulation inner cone socket both ends is added to effect, electrical safety can be strengthened, while can also expand insulation inner cone and insert
The voltage scope of application of seat, is selected easy to the switchgear of multiple voltage specification.
The another embodiment of the utility model is a kind of bus connecting device, for external expansion, multiple-limb extension
The busbar of adjacent cabinet is connected when connection and cabinet, cable connection respectively, for other unit cabinets such as PT, CT and gas-filling cabinet, all may be used
Carried out by the bus connecting device and cabinet extension connects.It includes connector and above-mentioned insulation inner cone socket, two insulation
Inner cone socket is respectively and fixedly installed on two neighboring switchgear, and is connected by center conductor with busbar, and connector includes two
A inserted terminal, inserted terminal be respectively used to the insulation inner cone socket grafting so that the busbar of two adjacent switch cabinets is connected,
The insulation inner cone socket has increment structure, for increasing creepage distance, is conducive to be adapted to the switchgear of bigger voltage range, carries
High electrical safety.
The preferred embodiment of the utility model is above are only, but the utility model is not restricted to the embodiment, is familiar with
Those skilled in the art can also make a variety of equivalent variations or replacement on the premise of without prejudice to the utility model spirit, this
Equivalent deformation or replacement are all contained in the application claim limited range a bit.