CN214588242U

CN214588242U - Novel capacitor porcelain bushing

Info

Publication number: CN214588242U
Application number: CN202121041315.2U
Authority: CN
Inventors: 杨涛; 柳其权; 杨立新
Original assignee: Hunan Solar Power Porcelain Electric Manufacturing Co ltd
Current assignee: Hunan Solar Power Porcelain Electric Manufacturing Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-11-02
Anticipated expiration: 2031-05-17

Abstract

The utility model relates to a high-voltage insulation equipment technical field specifically is a novel capacitor porcelain cover, including the porcelain cover main part, the cover is equipped with the electric capacity core in the porcelain cover main part, runs through the guide arm in the electric capacity core, and the first and last both ends of porcelain cover main part are provided with head end and tailstock respectively, and the head end is covered with the hood, and the laminating has the stripper plate on the tailstock, and the equal threaded connection in first and last both ends of guide arm has the nut, and the terminal integrated into one piece of guide arm has to support the piece, supports to overlap on the piece to be equipped with the seal cover, seal cover and tailstock butt. This novel condenser insulator is provided with hood and stripper plate respectively through setting up the piece of supporting on the guide arm and at the first and last both ends of insulator main part for when using the nut to screw hood and stripper plate, sealed by the hood between guide arm and the insulator main part head end, sealed by the seal cover on the piece between the end of guide arm and insulator main part, thereby prevent that the rainwater from permeating to in the insulator main part.

Description

Novel capacitor porcelain bushing

Technical Field

The utility model relates to a high voltage insulation equipment technical field specifically is a novel condenser insulator.

Background

The capacitor porcelain bushing is mainly used for an insulating device outside a high-voltage transformer box, and the outgoing lines of the transformer winding must penetrate through the capacitor porcelain bushing to enable the outgoing lines and the transformer shell to be insulated, and meanwhile, the capacitor porcelain bushing plays a role in fixing the outgoing lines. In the use of electric capacity insulator, because electric capacity insulator exposes in the outside at the transformer usually for when the rainwater drenches on electric capacity insulator easily from the space infiltration between insulator and the lead-out wire in the insulator, make insulating effect variation, in view of this, we propose a novel condenser insulator.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel condenser insulator to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a novel capacitor porcelain bushing comprises a porcelain bushing main body, wherein an insulating cavity is arranged in the porcelain bushing main body, a capacitor core is sleeved in the insulating cavity, a guide rod penetrates through the capacitor core, a tail seat is integrally formed at the tail end of the porcelain bushing main body, the tailstock is provided with a conical opening, the head part of the porcelain bushing main body is integrally formed with a head end, the head end is covered with a hood, the tail end of the tail seat is attached with an extrusion plate, the peripheries of the first end and the tail end of the guide rod are provided with external threads, the external thread is connected with a nut in a threaded manner, the periphery of the tail end of the guide rod is integrally formed with a resisting block, the abutting block is sleeved with a sealing sleeve, the sealing sleeve is attached to the inner wall of the conical opening, the head end of the guide rod is sleeved with a sealing ring, the sealing ring is pressed on the head end by the nut, and the pressing plate is pressed on the tailstock by the nut.

Preferably, the head end is hollow round platform column structure, the hood is made for rubber materials, the hood cover is established on the head end and with the outer wall of head end is laminated mutually.

Preferably, a sleeve column is integrally formed in the hood, the sleeve column extends into the insulating cavity, and the head end of the guide rod penetrates through the sleeve column.

Preferably, a rubber plate is arranged between the extrusion plate and the tailstock, the tail end of the guide rod sequentially penetrates through the rubber plate and the extrusion plate, a counter bore is formed in the tail end face of the extrusion plate, and the nut located at the tail end of the guide rod extends into the counter bore.

Preferably, the outer surface of the abutting block is provided with a sleeve groove, and the depth of the sleeve groove is smaller than the thickness of the sealing sleeve.

Preferably, the outer side of the sealing ring is provided with a resisting plate, and the nut extrudes the sealing ring to the head end face of the hood through the resisting plate.

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

this novel condenser insulator is provided with hood and stripper plate respectively through setting up the piece of supporting on the guide arm and at the first and last both ends of insulator main part for when using the nut to screw hood and stripper plate, sealed by the hood between guide arm and the insulator main part head end, sealed by the seal cover on the piece between the end of guide arm and insulator main part, thereby prevent that the rainwater from permeating to in the insulator main part.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the overall structure of the present invention;

fig. 3 is a schematic structural view of the main body of the porcelain bushing of the present invention;

fig. 4 is a sectional view of the main body of the porcelain bushing of the present invention;

fig. 5 is a schematic structural view of the middle guide rod of the present invention.

The meaning of each reference number in the figures is:

1. a porcelain bushing main body; 11. an insulating cavity; 12. a tailstock; 121. a tapered mouth; 13. a head end; 14. a hood; 141. sleeving a column; 15. a pressing plate; 151. a counter bore; 152. a rubber plate; 2. a guide bar; 21. an external thread; 22. a resisting block; 221. sleeving a groove; 222. sealing sleeves; 23. a seal ring; 231. a resisting plate; 24. a nut; 3. and a capacitor core.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "a", "an", and "the" mean two or more unless explicitly limited otherwise.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides a novel capacitor porcelain bushing, includes porcelain bushing main part 1, has seted up insulating chamber 11 in the porcelain bushing main part 1, and insulating chamber 11 endotheca is equipped with electric capacity core 3, and it has guide arm 2 to run through in the electric capacity core 3, and guide arm 2 is the shaft-like structure of metal, can make guide arm 2 play the purpose of drawing electric current through the lead-out wire with transformer winding and the bottom electric connection of guide arm 2, and porcelain bushing main part 1 and 3 covers of electric capacity core are established in the outside of guide arm 2 for it is insulating between guide arm 2 and the transformer case.

In this embodiment, the tail end of the porcelain bushing body 1 is integrally formed with a tail seat 12, the tail seat 12 is provided with a tapered opening 121, the head portion of the porcelain bushing body 1 is integrally formed with a head end 13, the head end 13 is covered with a hood 14, the head end 13 is a hollow circular truncated cone-shaped structure, the hood 14 is made of a rubber material, and the hood 14 is sleeved on the head end 13 and is attached to the outer wall of the head end 13. The sleeve column 141 is integrally formed in the hood 14, the sleeve column 141 extends into the insulating cavity 11, and the head end of the guide rod 2 penetrates through the sleeve column 141, so that the hood 14 can cover the head end of the porcelain bushing main body 1, and a head end gap between the porcelain bushing main body 1 and the guide rod 2 is sealed by the hood 14 to prevent rainwater from permeating.

Specifically, the tail end of the tailstock 12 is attached with the extrusion plate 15, a rubber plate 152 is arranged between the extrusion plate 15 and the tailstock 12, and the tail end of the guide rod 2 sequentially penetrates through the rubber plate 152 and the extrusion plate 15, so that the extrusion plate 15 and the rubber plate 152 can seal a gap between the porcelain bushing body 1 and the tail end of the guide rod 2, and further rainwater is prevented from permeating.

Further, the outer peripheries of the first end and the last end of the guide rod 2 are provided with outer threads 21, the outer threads 21 are in threaded connection with nuts 24, the outer periphery of the tail end of the guide rod 2 is integrally formed with a resisting block 22, a sealing sleeve 222 is sleeved on the resisting block 22, the sealing sleeve 222 is attached to the inner wall of the tapered opening 121, a sleeve groove 221 is formed in the outer surface of the resisting block 22, the depth of the sleeve groove 221 is smaller than the thickness of the sealing sleeve 222, the nut 24 can extrude the extrusion plate 15 when the nut 24 at the tail end of the guide rod 2 is screwed, the extrusion plate 15 is extruded on the tailstock 12 by the nut 24, the extrusion plate 15 further pushes the resisting block 22 and the sealing sleeve 222 is tightly pressed on the tapered opening 121, and the sealing performance of the tail end of the porcelain bushing main body 1 is improved. The end face of the extrusion plate 15 is provided with a counter bore 151, and the nut 24 at the end of the guide rod 2 extends into the counter bore 151, so that the nut 24 can be retracted into the counter bore 151.

Furthermore, the head end of the guide rod 2 is fitted with a sealing ring 23, the sealing ring 23 being pressed against the head end 13 by a nut 24. The outer side of the sealing ring 23 is provided with a resisting plate 231, the nut 24 extrudes the sealing ring 23 to the head end face of the hood 14 through the resisting plate 231, and the nut 24 is screwed, so that the hood 14 is resisted at the head end 13, meanwhile, the sealing ring 23 seals a gap between the guide rod 2 and the hood 14, the sealing effect is increased, the space between the porcelain bushing main body 1 and the guide rod 2 is sealed, and the water is prevented from entering the interior of the porcelain bushing main body 1.

It is worth to say, electric capacity core (3) that the utility model relates to is current conventional technology, no longer gives unnecessary details in this novel.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel capacitor porcelain bushing, includes porcelain bushing main part (1), set up insulating chamber (11) in porcelain bushing main part (1), insulating chamber (11) endotheca is equipped with electric capacity core (3), it has guide arm (2), its characterized in that to run through in electric capacity core (3): the tail end of the porcelain bushing main body (1) is integrally formed with a tail seat (12), a conical opening (121) is formed in the tail seat (12), a head end (13) is integrally formed in the head portion of the porcelain bushing main body (1), a hood (14) covers the head end (13), an extrusion plate (15) is attached to the tail end of the tail seat (12), external threads (21) are arranged on the peripheries of the two ends of the head end and the tail end of the guide rod (2), a nut (24) is connected to the external threads (21) in a threaded manner, a resisting block (22) is integrally formed on the periphery of the tail end of the guide rod (2), a sealing sleeve (222) is sleeved on the resisting block (22), the sealing sleeve (222) is attached to the inner wall of the conical opening (121), a sealing ring (23) is sleeved on the head end of the guide rod (2), and the sealing ring (23) is extruded on the head end (13) by the nut (24), the pressing plate (15) is pressed on the tailstock (12) by the nut (24).

2. The novel capacitor porcelain bushing as claimed in claim 1, wherein: the head end (13) is hollow round platform column structure, hood (14) are made for rubber materials, hood (14) cover is established on head end (13) and with the outer wall of head end (13) is laminated mutually.

3. The novel capacitor porcelain bushing as claimed in claim 1, wherein: a sleeve column (141) is integrally formed in the hood (14), the sleeve column (141) extends into the insulating cavity (11), and the head end of the guide rod (2) penetrates through the sleeve column (141).

4. The novel capacitor porcelain bushing as claimed in claim 1, wherein: a rubber plate (152) is arranged between the extrusion plate (15) and the tailstock (12), the tail end of the guide rod (2) sequentially penetrates through the rubber plate (152) and the extrusion plate (15), a counter bore (151) is formed in the tail end face of the extrusion plate (15), and the nut (24) located at the tail end of the guide rod (2) extends into the counter bore (151).

5. The novel capacitor porcelain bushing as claimed in claim 1, wherein: the outer surface of the abutting block (22) is provided with a sleeve groove (221), and the depth of the sleeve groove (221) is smaller than the thickness of the sealing sleeve (222).

6. The novel capacitor porcelain bushing as claimed in claim 1, wherein: a pressing plate (231) is arranged on the outer side of the sealing ring (23), and the sealing ring (23) is extruded to the head end face of the hood (14) by the nut (24) through the pressing plate (231).