CN211908325U

CN211908325U - Cable accessory stress cone convenient for evacuation electric field

Info

Publication number: CN211908325U
Application number: CN202020800365.3U
Authority: CN
Inventors: 宋勇; 陈海波; 曹新平; 宋晓林
Original assignee: Tianjin Elite Electrical Equipment Manufacturing Co ltd
Current assignee: Tianjin Elite Electrical Equipment Manufacturing Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-11-10
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a cable annex stress cone convenient to sparse electric field, including lock nut and bottom end cover, lock nut's the outside has connect lock bolt soon, and lock nut's inboard is provided with the compression sleeve ring, the inboard that compresses tightly the sleeve ring is provided with the connecting seat, and the inboard of connecting seat is fixed with the waterproof layer, the inboard of waterproof layer is provided with the cable body, and the top of cable body is provided with the conductor, the shielding layer is installed to the left and right sides of conductor, the bottom end cover is fixed in the top of connecting seat, the rear side of back cone is fixed with insulating arch, connecting bolt is installed to the left and right sides of back cone, the top of back cone is provided with the sealing washer. This be convenient for sparse cable annex stress cone for electric field compares with current ordinary stress cone, and the stress cone comprises the front and back cone, simple to operate, and avoids conductor fish tail cone inner wall, carries out sparse shielding to the electric field, avoids influencing external electrical equipment, prevents that the cable pine from taking off.

Description

Cable accessory stress cone convenient for evacuation electric field

Technical Field

The utility model relates to a cable accessories technical field specifically is a cable accessories stress cone for sparse electric field of being convenient for.

Background

The cable accessories are products for connecting cables with power transmission and distribution lines and related power distribution devices, generally refer to intermediate connections and terminal connections of various cables in the cable lines, and form a power transmission network together with the cables; the cable accessory can restore the performance of the cable and ensure the extension of the length of the cable and the connection of a terminal mainly according to the characteristics of a cable structure, and the reliability of the high-voltage cable accessory can be judged from the aspects of electrical performance, sealing moisture resistance, mechanical performance, process performance and the like.

General stress cone, inconvenient installation and dismantlement cable, inside the easy damage stress cone of the conductor of cable, the cable takes off easily, inconvenient sparse electric field forms electromagnetic interference to the external world easily, can not be fine satisfies people's user demand, to above-mentioned condition, carries out technical innovation on current stress cone basis.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable annex stress cone convenient to sparse electric field to provide general stress cone in solving above-mentioned background art, inconvenient installation and dismantlement cable, inside the easy damage stress cone of the conductor of cable, the easy pine of cable takes off, inconvenient sparse electric field forms electromagnetic interference's problem to the external world easily.

In order to achieve the above object, the utility model provides a following technical scheme: a cable accessory stress cone convenient for an evacuation electric field comprises a locking nut and a lower end cover, wherein the outer side of the locking nut is screwed with a locking bolt, the inner side of the locking nut is provided with a compression sleeve ring, the inner side of the compression sleeve ring is provided with a connecting seat, the inner side of the connecting seat is fixed with a waterproof layer, the inner side of the waterproof layer is provided with a cable body, a conductor is arranged above the cable body, shielding layers are arranged on the left side and the right side of the conductor, the outer side of each shielding layer is fixed with an insulating layer, the lower end cover is fixed above the connecting seat, a rear cone is fixed above the lower end cover, an insulating bulge is fixed on the rear side of the rear cone, a front cone is arranged in front of the rear cone, connecting bolts are arranged on the left side and the right side of the rear cone, a hexagon nut is screwed in front of, and an upper end cover is arranged in front of the sealing ring.

Preferably, the locking nut is in threaded connection with the locking bolt, and the locking bolt is arranged circumferentially with the central axis of the locking nut as the center of circle.

Preferably, the waterproof layer is bonded with the connecting seat, and the connecting seat and the rear cone are of an integrated structure.

Preferably, the compressing sleeve ring is movably connected with the connecting seat, and the central axis of the compressing sleeve ring coincides with the central axis of the locking nut.

Preferably, the insulating protrusions are fixedly connected with the rear cone, and the insulating protrusions are distributed at equal intervals in the vertical direction.

Preferably, the insulating layer is connected with the shielding layer in an embedding manner, and the inner surface of the shielding layer is attached to the outer surface of the conductor.

Preferably, the front cone is connected with the rear cone through a connecting bolt and a hexagon nut, and the upper surface of the front cone is attached to the lower surface of the sealing ring.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a lock nut, locking bolt, compress tightly the lantern ring, the lower cover, the back cone, the setting of connecting seat and preceding cone, conveniently fix the cable body, prevent that the cable body from taking off, put into the back cone with the cable body, cover the preceding cone, compress tightly the lantern ring on the connecting seat overcoat, rotatory lock nut makes lock nut upwards move, the extrusion compresses tightly the lantern ring, compress tightly the lantern ring and contract inwards, press from both sides two connecting seats, the connecting seat also contracts inwards, press from both sides the cable body and fix, rotatory locking bolt, compress tightly the lantern ring, prevent simultaneously that lock nut from rotating, make the cable body loose and take off;

2. the utility model discloses a lower end cover, back cone, conductor, cable body, connecting seat and preceding cone's setting, convenient installation and dismantlement cable body avoid the conductor to damage the stress cone, generally install the cable body, all directly insert in the stress cone, the stress cone inner wall is easily by the fish tail, put the cable body into on the back cone, cover the preceding cone, through connecting bolt and hexagon nut, fix back cone and preceding cone, avoid the conductor fish tail stress cone inner wall;

3. the utility model discloses a setting of shielding layer and conductor, the sparse electric field of being convenient for produced electric field evenly distributed of conductor circular telegram, the electric field that the conductor circular telegram produced is guided by the shielding layer, make electric field evenly distributed, the electromagnetic field shielding that arouses when the shielding layer is with the conductor circular telegram simultaneously is in the conductor, in order to reduce the electromagnetic interference to external electrical equipment production, the produced electric field of homogenization conductor circular telegram prevents axial discharge, the shielding layer also plays the external electromagnetic field of restriction and influences conductor inside production.

Drawings

FIG. 1 is a schematic view of a front view half-section structure of the present invention;

FIG. 2 is a left side view of the structure of the present invention;

fig. 3 is a schematic view of the front and rear cone three-dimensional structure of the present invention.

In the figure: 1. locking the nut; 2. locking the bolt; 3. a waterproof layer; 4. compressing the lantern ring; 5. a lower end cover; 6. an insulating protrusion; 7. a rear cone; 8. an insulating layer; 9. a shielding layer; 10. an upper end cover; 11. a seal ring; 12. a conductor; 13. a cable body; 14. a connecting seat; 15. a nose cone; 16. a connecting bolt; 17. a hexagonal nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a cable accessory stress cone convenient for evacuating an electric field comprises a locking nut 1 and a lower end cover 5, wherein the outer side of the locking nut 1 is screwed with a locking bolt 2, the inner side of the locking nut 1 is provided with a compression lantern ring 4, the locking nut 1 is in threaded connection with the locking bolt 2, the locking bolts 2 are arranged in a circumferential manner by taking the central axis of the locking nut 1 as the circle center, the cable body 13 is conveniently fixed by arranging the locking nut 1, the locking bolt 2, the compression lantern ring 4, the lower end cover 5, a rear cone 7, a connecting seat 14 and a front cone 15, the cable body 13 is prevented from loosening, the cable body 13 is placed on the rear cone 7, the front cone 15 is covered, the compression lantern ring 4 is sleeved outside the connecting seat 14, the locking nut 1 is rotated to enable the locking nut 1 to move upwards, the compression lantern ring 4 is squeezed, the compression lantern ring 4 contracts inwards, and two connecting seats 14 are, the connecting seat 14 also contracts inwards to clamp and fix the cable body 13, the locking bolt 2 is rotated to compress the compression lantern ring 4, and meanwhile, the locking nut 1 is prevented from rotating, so that the cable body 13 is loosened;

the inner side of the compression sleeve ring 4 is provided with a connecting seat 14, the inner side of the connecting seat 14 is fixed with a waterproof layer 3, the compression sleeve ring 4 is movably connected with the connecting seat 14, the central axis of the compression sleeve ring 4 is coincident with the central axis of the locking nut 1, the inner side of the waterproof layer 3 is provided with a cable body 13, a conductor 12 is arranged above the cable body 13, the waterproof layer 3 is bonded with the connecting seat 14, the connecting seat 14 and the rear cone 7 are of an integrated structure, the left side and the right side of the conductor 12 are provided with shielding layers 9, the outer side of the shielding layer 9 is fixed with an insulating layer 8, the insulating layer 8 is connected with the shielding layer 9 in an embedding manner, the inner surface of the shielding layer 9 is attached to the outer surface of the conductor 12, the electric field can be conveniently evacuated through the arrangement of the shielding layers 9 and the conductor 12, the electric field generated by electrifying the conductor 12, the electric field is uniformly distributed, meanwhile, the shielding layer 9 shields the electromagnetic field caused by electrifying the conductor 12 in the conductor 12 so as to reduce the electromagnetic interference generated to external electrical equipment, homogenize the electric field generated by electrifying the conductor 12 and prevent axial discharge, and the shielding layer 9 also plays a role in limiting the influence of the external electromagnetic field on the interior of the conductor 12;

the lower end cover 5 is fixed above the connecting seat 14, a rear cone 7 is fixed above the lower end cover 5, the rear side of the rear cone 7 is fixed with an insulating bulge 6, a front cone 15 is arranged in front of the rear cone 7, the insulating bulge 6 is fixedly connected with the rear cone 7, the insulating bulge 6 is distributed at equal intervals along the vertical direction, connecting bolts 16 are arranged at the left side and the right side of the rear cone 7, a hexagon nut 17 is screwed in front of the connecting bolt 16, the front cone 15 is connected with the rear cone 7 through the connecting bolt 16 and the hexagon nut 17, the upper surface of the front cone 15 is attached to the lower surface of the sealing ring 11, the lower end cover 5, the rear cone 7, the conductor 12, the cable body 13, the connecting seat 14 and the front cone 15 are arranged, the cable body 13 is convenient to mount and dismount, the conductor 12 is prevented from damaging the stress cone, the cable body 13 is generally mounted and is directly inserted into the stress cone, the inner wall of the stress cone is easily scratched, the cable body 13 is placed on the rear cone 7, the front cone 15 is covered, the rear cone 7 and the front cone 15 are fixed through the connecting bolt 16 and the hexagon nut 17, the conductor 12 is prevented from scratching the inner wall of the stress cone, the sealing ring 11 is arranged above the rear cone 7, and the upper end cover 10 is installed in front of the sealing ring 11.

The working principle is as follows: when the cable accessory stress cone convenient for evacuation of electric fields is used, firstly, a cable body 13 is placed on a rear cone 7, a front cone 15 is covered, the rear cone 7 and the front cone 15 are fixed together through a connecting bolt 16 and a hexagon nut 17, an upper end cover 10 is screwed, the rear cone 7 and a lower end cover 5 are of an integrated structure, a compression sleeve ring 4 is sleeved outside a connecting seat 14, a locking nut 1 is rotated to enable the locking nut 1 to move upwards, the compression sleeve ring 4 is extruded, the compression sleeve ring 4 is contracted inwards to clamp two connecting seats 14, the connecting seat 14 is made of soft materials and can deform to a certain degree, the connecting seat 14 is also contracted inwards to clamp and fix the cable body 13, the locking bolt 2 is rotated to prevent the locking nut 1 and the cable body 13 from loosening, rainwater is prevented from entering the stress cone through a waterproof layer 3 and a sealing ring 11 to influence the normal use of the device, this is the working principle of the cable accessory stress cone for facilitating the evacuation of the electric field.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cable annex stress cone for sparse electric field convenient to, includes lock nut (1) and lower end cover (5), its characterized in that: the outer side of the locking nut (1) is screwed with a locking bolt (2), the inner side of the locking nut (1) is provided with a compression sleeve ring (4), the inner side of the compression sleeve ring (4) is provided with a connecting seat (14), the inner side of the connecting seat (14) is fixed with a waterproof layer (3), the inner side of the waterproof layer (3) is provided with a cable body (13), a conductor (12) is arranged above the cable body (13), shielding layers (9) are arranged on the left side and the right side of the conductor (12), an insulating layer (8) is fixed on the outer side of each shielding layer (9), the lower end cover (5) is fixed above the connecting seat (14), a rear cone (7) is fixed above the lower end cover (5), an insulating bulge (6) is fixed on the rear side of the rear cone (7), a front cone (15) is arranged in front of the rear cone (7), and connecting bolts (16) are arranged on the left side and the right side, and the front of the connecting bolt (16) is screwed with a hexagon nut (17), a sealing ring (11) is arranged above the rear cone (7), and an upper end cover (10) is arranged in front of the sealing ring (11).

2. A cable accessory stress cone for facilitating evacuation of electric fields according to claim 1, wherein: the locking nut (1) is in threaded connection with the locking bolt (2), and the locking bolt (2) is arranged in a circle by taking the central axis of the locking nut (1) as the center of a circle.

3. A cable accessory stress cone for facilitating evacuation of electric fields according to claim 1, wherein: the waterproof layer (3) is bonded with the connecting seat (14), and the connecting seat (14) and the rear cone (7) are of an integrated structure.

4. A cable accessory stress cone for facilitating evacuation of electric fields according to claim 1, wherein: the pressing sleeve ring (4) is movably connected with the connecting seat (14), and the central axis of the pressing sleeve ring (4) coincides with the central axis of the locking nut (1).

5. A cable accessory stress cone for facilitating evacuation of electric fields according to claim 1, wherein: be fixed connection between insulating arch (6) and back cone (7), and insulating arch (6) distribute along vertical direction equidistance.

6. A cable accessory stress cone for facilitating evacuation of electric fields according to claim 1, wherein: the insulating layer (8) is connected with the shielding layer (9) in an embedding manner, and the inner surface of the shielding layer (9) is attached to the outer surface of the conductor (12).

7. A cable accessory stress cone for facilitating evacuation of electric fields according to claim 1, wherein: the front cone (15) is connected with the rear cone (7) through a connecting bolt (16) and a hexagonal nut (17), and the upper surface of the front cone (15) is attached to the lower surface of the sealing ring (11).